JP2002019326A - Sizing device, sizing bookbinding machine and image forming apparatus - Google Patents

Abstract

PROBLEM TO BE SOLVED: To easily and rapidly conduct a replacing operation of a size storage container in a size supply means. SOLUTION: A sizing device comprises a size storage container side connecting means for connecting to the size storage container 47, a supply tube side connecting means 46 detachably connected to the container side connecting means to connect to a supply tube, a valve member 474 openably and closably setting an exhaust opening 473b provided in the container side connecting means, an elastic member 475 for energizing the member 474 to close the opening 473b, and a protrusion 466 provided in the connecting means 46 in such a manner that, when the connecting means 46 is connected to the container side connecting means, the protrusion 466 presses the member 474 to open the opening 473b.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a gluing apparatus and a gluing apparatus for applying glue to a sheet, which has been subjected to an image forming process, discharged from an image forming apparatus main body, in the vicinity of a side edge of the sheet during sheet transport. The present invention relates to a glue binding apparatus provided with the image forming apparatus and an image forming apparatus provided with the glue binding apparatus.

[0002]

2. Description of the Related Art In recent years, there has been provided a glue binding apparatus which performs a gluing process on a predetermined position of a sheet on which an image is recorded by a main body of an image forming apparatus such as a copying machine, a printer, or a multifunction machine of the same to perform bookbinding. I have.

[0003] As the glue binding apparatus, (1) a device that discharges glue onto paper using a glue discharge nozzle, (2) a glue wheel is installed in a glue storage box, and glue is attached to the outer periphery of the rotating glue wheel. Device that makes the outer periphery of the glue wheel contact the paper to transfer
(3) A hot melt coating device that discharges a mixture of a hot melt agent (heat fusing agent) and heated compressed air from a nozzle is used.

The bookbinding apparatus described in Japanese Patent Publication No. 59-500907 deflects a sheet conveyed in a first direction in a second conveyance direction orthogonal to the conveyance direction, and thereafter, deflects the end of the running sheet. The glue is applied linearly to the portion, and after the stacking and alignment, pressure is applied to bookbinding.

[0005] The gluing method and apparatus described in Japanese Patent Application Laid-Open No. 7-80377 is to blow high-pressure air onto the glue discharged from the glue discharge nozzle to form a thin film.

[0006] As a conventional supply device for supplying a paste to paste discharge means having a paste discharge nozzle, there are (1) pressurized paste in a paste container by compressed air, and (2) paste in a paste container by a micro gear pump. And the like.

[0007]

The glue supplying device in the gluing apparatus and the glue binding apparatus described above has the following problems.

When an external pressure acts on the glue storage container during storage of the glue storage container, the glue in the glue storage container leaks from the discharge opening.

When the glue container is replaced, the glue in the glue container leaks from the discharge opening. When the glue storage container is replaced, air enters through the discharge opening, and a glue discharge failure due to a glue supply failure occurs.

The present invention solves the above-mentioned problems and improves a glue supply device of a glue binding apparatus, achieves easy maintenance work of the glue supply device, achieves low noise and miniaturization, and automates the glue supply device. It is an object of the present invention to provide a gluing apparatus, a glue binding apparatus, and an image forming apparatus provided with the glue binding apparatus which achieve the above.

[0011]

Means for Solving the Problems (1) The above problems,
Is any one of claims 1, 3, 5, 8, and 11 of the present invention.
The problem is solved by the gluing device described in the section.

(2) A glue binding apparatus according to the present invention comprises: the glue apparatus according to (1); a storage unit for storing and aligning a plurality of sheets that have been glued by the glue apparatus; And a pressurizing means for pressurizing the glue application portions of the plurality of processed sheets.

(3) An image forming apparatus according to the present invention includes an image forming apparatus main body including an image writing unit, an image forming unit, and a sheet conveying unit, and a glue binding apparatus according to the above (2). It is assumed that.

[0014]

DESCRIPTION OF THE PREFERRED EMBODIMENTS (First Embodiment) A gluing apparatus, a glue binding apparatus, and an image forming apparatus equipped with a glue binding apparatus according to the present invention will be described with reference to the drawings.

FIG. 1 is an overall configuration diagram of an image forming system including an image forming apparatus main body A, an image reading apparatus B, and a glue binding apparatus C.

The main body A of the image forming apparatus includes a charging means 2, an image exposure means (writing means) 3, a developing means 4, a transfer means 5,
After the charge removing means 6A, the separating claw 6B, and the cleaning means 7 are arranged, and the surface of the photosensitive member 1 is uniformly charged by the charging means 2, the laser of the image exposing means 3 is used based on the image data read from the original. A latent image is formed by performing exposure scanning with the beam, and the latent image is reversely developed by the developing unit 4 to form a toner image on the surface of the photoconductor 1.

On the other hand, the paper S fed from the paper storage means 8A is sent to the transfer position. The toner image is transferred onto the sheet S by the transfer unit 5 at the transfer position. After that, the charge on the back surface of the paper S is erased by the charge eliminating means 6A,
Separated from the photoreceptor 1 by the separation claw 6B, the intermediate conveyance unit 8
The sheet is conveyed by B, subsequently heated and fixed by the fixing means 9, and is discharged by the discharge roller 8C.

When forming an image on both sides of the sheet S,
The sheet S, which has been heated and fixed by the fixing unit 9, is branched from a normal sheet discharge path by the transfer path switching plate 8D, is switched back in the reverse transfer 8E, is turned over, and is discharged outside the apparatus by the sheet discharge roller 8C. You. Discharge roller 8C
Is discharged into the receiving section 11 of the glue binding apparatus C.

On the other hand, the developer remaining on the surface of the photoreceptor 1 after image processing is removed by the cleaning means 7 downstream of the separation claw 6B, and the surface is prepared for the next image formation.

At the top of the image forming apparatus main body A, an automatic document feeder DF of a document moving type (sheet through type) reading system is supported so as to be openable and closable.

The glue binding apparatus C includes an aligning and pressing means 50 in the upper part of the drawing, a glue applying means 40 and a sheet skew correcting means (hereinafter referred to as a sheet correcting means) 30 in the middle part, and a sheet direction changing means 20 in the lower part. At the bottom, cover paper feeding means 80 are arranged in tandem in a substantially vertical direction.

On the right side of the glue binding apparatus C in the figure, an entrance section conveying means 10 and a folding means 70 are arranged. On the left side in the drawing of the glue binding apparatus C, there is disposed a paper discharging means 60 for stacking the bound book.

FIG. 2 is a configuration diagram showing a paper transport path of the glue binding apparatus C. FIG. 3 is a schematic diagram showing a process of gluing and binding the paper S.

In the glue binding apparatus C, the receiving section 11 of the entrance section conveying means 10 is provided with the discharge roller 8 of the image forming apparatus main body A.
It is installed at a position and height that match C.

The transport path of the paper S connected to the receiving section 11 is formed by an upper paper transport path 12 to the uppermost fixed discharge tray 15.
The sheet S is fed to any one of the transport paths depending on the selection of the angle occupied by the switching gate G1.

The upper paper transport path 12 is provided with a transport roller 13
1 to 133, a discharge roller 14, a guide plate, and the like.
The lower paper transport path 16 includes transport rollers 171, 172,
173, a switching gate G2, a guide plate and the like.

The paper transport path connected to the lower paper transport path 16 is divided into two systems, that is, a middle paper direction changing means 20 and a lowermost folding means 70, and the selection of the angle occupied by the switching gate G2. The sheet S is fed to one of the transport paths.

(1) Discharge directly to the fixed paper discharge tray 15 at the upper part of the apparatus The image-formed sheet S discharged from the main body A of the image forming apparatus is introduced into the receiving section 11 and passes through the sheet transport path 12 to pass therethrough. The sheet is conveyed by conveying rollers 131, 132, and 133, is sandwiched by discharge rollers 14, is discharged onto a fixed sheet discharge tray 15 at an upper portion outside the apparatus, and is sequentially stacked.

In the paper transport process, the switching gate G
1 closes the paper transport path 16 and leaves the paper transport path 12 open to allow the paper S to pass through the fixed paper discharge tray 15.

(2) Sheet 90 ° Direction Conversion Processing When the paper direction conversion mode is set, the switching gate G2 closes the sheet conveyance path 18B and switches the sheet conveyance path 18A.
Is held in the open state, and the paper S can pass through the paper transport path 18A.

The image-formed sheet S discharged from the image forming apparatus main body A is supplied to the receiving section 11, the sheet transport path 16,
After passing through the conveying rollers 171, 172, the switching gate G
2, the sheet is deflected in a substantially right-angle direction on the left side in the figure, is sandwiched by the conveying rollers 173, and is sent to the sheet direction changing means 20.

Sheet S introduced into sheet direction changing means 20
Pass through the paper transport path 200 opened above the switching gate G3, and transport rollers 221, 222, 223,
224 and travels to the left as shown by the arrow in the figure.

When the central portion of the sheet S reaches the rotating member 23, the sheet conveyance is temporarily stopped, and the conveyance rollers 221 to 224
Is released, and the separated state is maintained. When the upper and lower rotating disks 23A and 23B of the rotating member 23 rotate while sandwiching the sheet S in a state where the pressing of the transport rollers 221 to 224 is released, the direction of the sheet S is changed by 90 degrees. For example, A4 size paper S is
It is converted to the direction of A4R.

The paper direction changing means 20 can simultaneously execute the 90-degree rotation of the paper S and the shift processing of the paper S.
Alternatively, the sheet direction conversion unit 20 can independently execute the 90-degree rotation of the sheet S and the sheet shift processing.

The paper S whose rotation direction has been changed is conveyed by the press-contact rotation of the conveyance rollers 221 to 224, is carried out of the paper direction conversion means 20, and is conveyed by the conveyance rollers 241 and 242.
, Is deflected upward in a direction substantially perpendicular to the drawing, passes through a switching gate G4, is further deflected rightward in the drawing, and is sent to the sheet correcting means 30.

The paper S that does not require the glue binding process passes through the paper transport path on the left side of the switching gate G4, is transported by the transport rollers 61 and 62, and is discharged by the discharge rollers 63 to the elevating discharge tray 64 outside the machine. Is discharged.

(3) Deflection Correction Processing The sheet correction means 30 for correcting the deflection of the sheet S includes:
Conveying rollers 31 and 3 that can pinch and release paper S
2, 33, 34, paper transport path 300, alignment reference plate 36,
The sheet S before the glue coating process is brought into contact with the alignment reference plate 36 and is aligned on one side.

(4) Processing for Applying Glue to Paper S The paper S sent from the paper correcting means 30 to the glue applying means 40 advances rightward in the figure. The paper transport path 400 of the glue application unit of the glue application unit 40 and the paper transport path 300 of the paper correction unit 30 are both formed substantially parallel to the paper transport path 200 of the paper direction conversion unit 20, and the transport direction of the paper S is The direction is opposite to the transport direction of the paper direction changing means 20.

The glue discharging means 41 is provided with a glue supplying means 48 (FIG. 5).
), And the paste is discharged in a band shape or intermittent broken line shape on one side edge of the traveling paper S to form a glue application portion N.

The sheet S that has been subjected to the glue application processing is transported by the transport rollers 4.
The sheet is conveyed upward while being pinched by the sheets 31, 432, and 433, conveyed along a sheet conveying path 400 formed of a guide plate, pinched by a discharge roller 434, and discharged to the alignment pressurizing unit 50.

(5) Glue coating layer thin film processing A thin film forming roller 44 is fixedly disposed near the downstream side of the glue coating means 40 and at the end of the rotation shaft of the transport roller 433.

The nozzle member 41 at the tip of the glue discharging means 41
The glue discharged from 3 forms a small semi-cylindrical glue application portion N on the surface of the paper S. By transporting the paper S, the paper S
The glue application section N formed thereon is rolled by the thin film forming roller 44 on the downstream side to become a glue application section N having a predetermined glue application thickness, and is formed into a flat band-like thin film glue application layer. .

(6) Alignment Pressing Process The first sheet S not subjected to the glue coating process is sandwiched by gripping means (gripper means) 51, and the leading end of the sheet S comes into contact with a stopper 53 so that a sheet storing means (hereinafter, referred to as a stacker). 5)
2 at a predetermined position. The gripper 51 moves while being supported by the rotating belt 54.

The second and subsequent sheets S that have been subjected to the glue coating process are:
Similarly, the sheet is nipped by the gripping means 51 and is sequentially placed on the preceding sheet S on the stacker 52 with the glue application section N facing downward. Reference numeral 55 denotes a pair of width alignment members movable in the width direction, and regulates the width direction of the sheet S.

The pressing roller member 56 is configured to rotate the belt 5.
4 and moves together with the gripping means 51. The pressure roller member 56 moves while pressing the glued back side of the paper S, and ensures adhesion between the papers.

The pressing of the sheet S by the pressing roller member 56 may be performed each time the second or subsequent sheet S is placed on the stacker 52. Alternatively, the pressing process may be performed each time a plurality of sheets S are stacked.

Through the above-described steps, one bookbinding subjected to the gluing process is completed. In this glue binding apparatus C, a maximum of 200 sheets S can be glued and bound.

(7) Loading and Discharging of Paper Bundle A part of the paper loading surface of the stacker 52 is provided with a driving roller 57.
And a plurality of discharge belts 59 wound around driven rollers 58
Are rotatably arranged.

The last sheet of paper S is stacked on the stacker 52, pressed, and glued and bound. The sheet claw of the discharge belt 59 holds the trailing end of the sheet bundle. The sheet slides on the stacking surface of the stacker 52 and is nipped by the discharge rollers 63 of the sheet discharge means 60 to move up and down the discharge tray 64.
Discharged and loaded on top.

A sheet S that has been subjected to glue application processing and a sheet S that has not been subjected to glue application processing can be stacked in the elevating discharge tray 64, and a large amount of paper S can be accommodated by driving up and down.

(8) Cover Paper Feeding The cover paper feeding means 80 includes a paper feeding cassette 81 and a paper feeding member 82. One cover sheet K fed from the sheet feed cassette 81 is fed to the feed path 83
4, is sent to the paper direction changing means 20, passes through the paper correcting means 30, and the glue applying means 40 and the aligning and pressing means 5
At 0, the booklet is glued and bound on the upper or lower surface of the above-mentioned sheet bundle.

Further, the first sheet fed from the sheet feeding cassette 81 is
The cover sheet K is diverged by a switching gate G5 via a paper feed path 83, fed into a folding unit 70 described later, is folded in half, passes through a conveying roller 84, and is fed to a sheet direction changing unit 20. Then, the sheet is passed through the sheet correcting means 30, the glue applying means 40, and the aligning and pressing means 50, and is superposed on the sheet bundle to perform glue binding.

(9) Folding process The sheet S conveyed downward from the sheet conveying path 16 as shown in FIG.
The sheet is branched at the switching gate G2,
B is carried into the folding means 70. The folding means 70 includes folding rollers 71, 72, 73 and a transport path switching plate 74.
, The folded sheet S is folded in half,
Alternatively, a Z-folding process is performed. The folded sheet S joins the cover sheet feeding path by the switching gate G5, and is sent to the sheet direction converting means 20 via the transport roller 84 and the switching gate G2.
0, glue binding is performed via the glue applying means 40 and the aligning and pressing means 50.

FIG. 4 is a perspective view showing the glue application position on various types of paper S. FIG. 4A shows the glue application section N on the long side of the sheet S.
FIG. 4B is a diagram in which a glue applying portion N is formed on the short side of the sheet S, FIG. 4C is a diagram in which a glue applying portion N is formed on the folded sheet S, FIG. 4D is a diagram in which a glue application section N is formed on the sheet S that has been Z-folded.

FIG. 5A is a plan view of the sheet correcting means 30 and the vicinity of the glue discharging means 41 of the glue applying means 40, and FIG. 5B is a front view of the glue applying means 40 and the vicinity of the glue discharging means 41.

A paper correcting means 30 is provided between the transport roller 32 and the transport roller 33. The sheet correction means 30 includes an alignment reference plate 36 and an alignment correction plate 37 which are arranged to face each other in the width direction of the sheet S orthogonal to the sheet transport direction.

The alignment reference plate 36 is fixed to the apparatus main body in parallel to the paper transport direction. Matching reference plate 36
Is to position the sheet S by bringing the sheet S into contact with a side end in the width direction of the sheet S. The alignment correction plate 37 is movable in a direction perpendicular to the paper transport direction according to the width size of the paper S, and is moved from a predetermined retreat position in a direction perpendicular to the paper transport direction by a driving unit (not shown). The side edge of the sheet S is pressed. The alignment correction plate 37 presses the vicinity of the center of the alignment reference plate 36 across the sheet S, thereby preventing the sheet S from hitting the alignment reference plate 36 and bringing the side edge of the sheet S into close contact with the alignment reference plate 36. .

A glue discharging means 41 for applying glue to the side edge of the paper S is disposed between the transport roller 34 and the transport roller 431. The glue discharging means 41 is a first driving means 42
A, driven by the second driving means 42B to discharge the glue on demand. A collecting container 40 is provided below the glue discharging means 41.
A is installed. 48 is a glue supplying means for supplying the glue to the glue discharging means 41.

FIG. 6 is an enlarged sectional view of the glue discharging means 41 and the driving means. The glue discharging means 41 includes a casing 410, a first needle member 411, a second needle member 412, and a nozzle member 413. The first driving means 42A moves the first needle member 411. The second driving means 42B moves the second needle member 412.

The nozzle member 413 has a glue storage chamber 413b for storing the glue and a nozzle opening 413a for discharging the glue. An introduction port 413c is opened on a side surface of the nozzle member 413. The glue for bonding the paper stored in the glue storage container 47 described later is pressure-fed by the glue supply means 48, passes through the supply pipe 451 of the transfer means 45, and enters the glue storage chamber 413 b of the nozzle member 413 from the inlet 413 c. Supplied.

The first needle member 411 is connected to the nozzle member 4
It moves openably and closably through the thirteen nozzle openings 413a. The second needle member 412 opens and closes a glue supply path that allows the glue in the glue storage chamber 413b of the nozzle member 413 to flow through the nozzle opening 413a. The tip 411 a of the first needle member 411 is connected to the second needle member 412.
Through the front end opening 412a.

The second needle member 412 is press-fitted and fixed to the lower end of a hollow cylindrical tube 414. Tube 41
4 is fitted to a bearing 415A fixed to the casing 410 and a bearing 415B fixed to the lid 410A,
It is supported so that it can move up and down. The tube 414 is a spring 4
It is urged downward by 18B. A pin 416B is fixed to an upper portion of the tube 414. Pin 416B
Is connected to the second driving means 42B.

The first needle member 411 is movably housed inside the tube 414. First needle member 41
The lower end portion 411 a of the first needle member 412
To the front end opening 412a. First needle member 4
The sliding member 417A fixed to the intermediate part of the pipe 11
14 is in sliding contact with the inner wall.

The sliding member 417 B fixed to the upper part of the first needle member 411 is in sliding contact with the upper part of the inner wall of the tube 414. The sliding member 417B is fitted to a bearing 415C press-fitted into a supporting member 410B fixed to an upper portion of the casing 410, and is supported so as to be able to move up and down.

A packing member 419 is press-fitted inside the casing 410. The inner peripheral surface of the packing member 419 is in sliding contact with the outer peripheral surface of the pipe 414 that can move up and down, and seals the upper part of the glue accommodating chamber 413b of the nozzle member 413.

A pin 416A is fixed to the sliding member 417B. The pin 416A is connected to the first driving unit 42A. The sliding member 417B is urged downward by a spring 418A.

On one side of the casing 410, the first
The first driving means 42A for driving the needle member 411 is arranged. A first lever 421 is swingably supported by a support shaft 425 fixed to a support member 423 connected to the side surface of the casing 410. First lever 421
Has one end holding a pin 416A connected to the first needle member 411. The other end of the first lever 421 is in contact with a pin SL1b fixed to the plunger SL1a of the first solenoid SL1.

On the other side of the casing 410, a second
A second driving unit 42B for driving the needle member 412 is provided. A second lever 422 is swingably supported on a support shaft 426 fixed to a support member 424 connected to the side surface of the casing 410. Second lever 422
Has a pin 416B connected to the second needle member 412. The other end of the second lever 422 contacts a pin SL2b fixed to the plunger SL2a of the second solenoid SL2.

When a voltage is applied to the first solenoid SL1, the plunger SL1a is attracted, the pin SL1b pushes down the other end of the first lever 421, and the first lever 4
21 is rotated counterclockwise around the support shaft 425,
One end of the first lever 421 pushes up the pin 416A, and pulls the first needle member 411 upward in the axial direction.

Next, when a voltage is applied to the second solenoid SL2, the plunger SL2a is attracted and the pin SL2
b pushes down the other end of the second lever 422, rotates the second lever 422 clockwise about the support shaft 426, and one end of the second lever 422 pushes up the pin 416B, and the second lever 422 pushes up the pin 416B. The needle member 412 is pulled up in the axial direction.

FIG. 7 is an enlarged sectional view showing the movement process of the first needle member 411 and the second needle member 412.

FIG. 7A shows a state in which the tip of the second needle member 412 seals the inside of the nozzle opening 413a of the nozzle member 413 to block the glue supply path, and the tip 411a of the first needle member 411. Indicates a first position where the nozzle member 413 protrudes from the tip of the glue discharge nozzle opening 413a of the nozzle member 413 to be in a shielding state.

In this first position, no voltage is applied to the first solenoid SL1 and the second solenoid SL2, and the first needle member 411 is urged by the spring 418A to protrude from the tip of the nozzle opening 413a. Has stopped. Also, the second needle member 412 has a spring 418B.
And the tapered portion at the base of the distal end of the second needle member 412 and the nozzle opening 41 of the nozzle member 413.
The inclined portion inside 3a abuts to hold the glue accommodating chamber 413b in a shielded state, thereby preventing the discharge of glue.

FIG. 7B shows a standby state in which a voltage is applied only to the first solenoid SL1 to drive it, and the first lever 421 is swung to temporarily stop at the second position. This second
In the position, the distal end portion 41 of the first needle member 411
1a moves inward from the first position, and the nozzle member 41
3 is opened from the nozzle opening 413 a of the second needle member 412.
a and is held in a standby state before the paste is discharged.

The first solenoid SL1 and the first lever 421
Before the glue application operation, the first driving means drives the first needle member 411 to reciprocate between the first position and the second position, and the nozzle opening portion 413 of the nozzle member 413
a, and a tip opening 412a of the second needle member 412
Remove the solidified paste (purging).

The number of forward and backward drive strokes of the first needle member 411 for preventing the solidification of the glue and the length of the forward / reverse stroke are optimal depending on the nozzle opening 413a, the specifications of the first needle member 411, the properties of the glue, and the like. Set in the condition.

The glue used in the embodiment of the present invention is a vinyl acetate adhesive having a viscosity of 750 to 1500 m at room temperature.
Pa · s.

The forward and backward driving of the first needle member 411 for preventing the nozzle opening 413a from solidifying is performed by the paper S
The solidified paste and the paste discharged at the same time, which are performed before the start of the paste to the paste, are stored in the lower collecting container 40A.

FIG. 7 (c) shows a state where a voltage is applied to the first solenoid SL1 and further the second solenoid SL
2 shows a coating state in which a voltage is applied to No. 2 and the second lever 422 is rocked to stop at the third position. In the third position, the distal end of the second needle member 412 moves inward from the second position, and the distal end 41 of the first needle member 411 moves.
It is held on the same plane as 1a. By the movement of the second needle member 412, the nozzle opening 413a is held in a fully opened state, the glue supply path can be circulated, and the glue in the glue accommodating chamber 413b can be discharged.

FIG. 8A is a perspective view of the glue container 47,
FIG. 8B is a sectional view. The glue storage container 47 contains glue Na.
(A hatched portion in the drawing) and a base member 472.

The base member 472 comprises a discharge opening 472a from which the glue Na in the flexible bag body 471 can be discharged, and a mounting portion 472b which can be mounted on the glue supply means 48.

The flexible bag 471 has two opposing flat portions 471a and 471b. This flat portion 471a,
471 b is pressed by a flat pressing member to be described later to discharge the glue Na stored in the flexible bag 471 to the discharge opening 47.
Discharge from 2a.

The flexible film material forming the flat portions 471a and 471b is made of polyethylene terephthalate (PE).
T), an aluminum foil, a laminated material made of polyethylene (PE) or the like.

FIG. 9A is a plan view of the glue supply means 48 showing an initial state in which the glue storage container 47 is mounted on the glue supply means 48, and FIG. 9B is a front sectional view.

The glue supply means 48 of the present invention comprises the glue container 4
7, a pressurizing means (a pneumatic device such as a gas spring, hereinafter referred to as a pneumatic device) GS for supplying the contained glue Na to the glue discharging means 41, and releasing the press to release the glue storage container 47. Release means for enabling attachment and detachment.

The two opposing flat portions 471a and 471b of the flexible bag 471 are pressed by pressing members 482A and 482B. The pressing member 482A includes an arm 483A.
Is swingably supported by a shaft 484A fixed to the shaft.
The arm 483A is fixed to a swing shaft 485A rotatably supported by the housing 480 of the glue supply means 48.

Arm 483 fixed to swing shaft 485A
A is swung in the direction of the dashed line arrow by the driving pressure of the pneumatic device GS described later. The swing of the arm 483A causes the shaft 4
The pressing member 482A connected by 84A moves in the direction of the white arrow and presses the flat portion 471a of the flexible bag 471.

At the same time, the arm 483B fixed to the swing shaft 485B is swung in the direction of the dashed line arrow by the driving pressure of the pneumatic device GS. By the swing of the arm 483B, the pressing member 482B connected by the shaft 484B becomes
Moving in the direction of the white arrow, the flat portion 4 of the flexible bag body 471 is moved.
Press 71b.

FIG. 10 is a plan view of the glue supply means 48 in which the glue storage container 47 mounted on the glue supply means 48 is in a flat state.

When the pressing members 482A and 482B press the glue storage container 47 by the driving pressure of the pneumatic device GS, and the state shown in the drawing is reached, a protrusion 489 (see FIG. 9) fixed to the shaft end of the swing shaft 485B. 9 (b)) interrupts the detection optical path of the sensor PS1, detects the final pressing position, issues an alarm indicating that the amount of the glue stored in the glue storage container 47 is approaching, and outputs the glue storage container 4
The exchange of 7 is displayed.

Prior to mounting the glue container 47 on the glue supply means 48, the drive source (motor M1 shown in FIG. 9) is activated, and the arms 483A and 483B are connected via a drive transmission mechanism (press release mechanism) to be described later. Oscillating in the reverse direction, the pressing member 482
A, 482B is moved from the closed position shown in FIG. 10 to the open position shown in FIG. These pressing members 482A, 482B
During the opening process, the pneumatic device GS is compressed against the tension of the plunger GSp.

At the pressing member open position shown in FIG. 9, the glue storage container 47 is easily mounted and detached in a direction perpendicular to the moving direction of the pressing members 482A and 482B and from above the container mounting portion 481. It can be detached from the glue supply means 48.

When the glue storage container 47 is mounted on the glue supply means 48, the supply pipe 451 connected to the inlet 413c of the glue discharge means 41 is connected to the base member 472 of the glue storage container 47 via the supply pipe side connecting member 46. After that, the opening / closing valve 452 is opened to allow the glue Na in the flexible bag 471 to communicate with the glue discharging means 41.

At the time of starting the glue supply, the driving force of the driving source is maintained in a cut off state, and the transmission mechanism is freely rotated by a one-way mechanism or a play mechanism by the extension force of the pneumatic device GS due to the pressing load P.

In this free rotation state, the pressing member 4
82A and 482B are moved in the direction of the arrow by the pressing load P of the pneumatic device GS. The movement of the pressing members 482A, 482B causes the flat portions 471a, 471 of the flexible bag body 471 to move.
b is pressed from both sides, and the glue N in the flexible bag 471 is pressed.
a is compressed, discharged from the discharge opening 472a, and supplied to the glue discharging means 41.

When the glue applying process by the glue discharging means 41 is not performed or when the glue container 47 is attached or detached, the driving means is driven to rotate in the reverse direction, and the pressing members 482A and 482B are manually operated by the operation of the releasing means for releasing the pressing. Can be separated.

FIG. 11 is a plan view of the pressing drive mechanism of the glue supply means 48. The sector gear Z13 has a joint GS at the tip of a reciprocating plunger GSp of the pneumatic device GS.
j is connected. The main body portion GSa of the pneumatic device GS is fixed to the housing 480. The pneumatic device GS is composed of a gas spring or the like, and has a plunger GS with a uniform pressing load P.
p is projected and urged in the direction of the arrow.

The plunger GSp of the pneumatic device GS protrudes from the main body GSa due to the pressing load P, and the sector gear Z13
Is rotated clockwise, and the swing shaft 485A to which the sector gear Z13 is fixed is integrally rotated. Further, the swing shaft 4
The arm 483A fixed to 85A is also swung, and the shaft 48
4A is rotated in the direction of the dashed line arrow in the figure. Shaft 48
The pressing member 482A supported by 4A moves the flexible bag 471 of the glue storage container 47 in the direction to compress.

The sector gear Z13 meshes with the sector gear Z12. Due to the clockwise rotation of the sector gear Z13, the sector gear Z12 rotates counterclockwise, and integrally rotates the swing shaft 485B to which the sector gear Z12 is fixed. Furthermore,
The arm 483B fixed to the swinging shaft 485B is also swung, and the shaft 484B is rotated in the direction of the dashed line arrow in the drawing, and the pressing member 482B supported by the shaft 484B is moved to the flexible bag 471 of the glue container 47. In the direction of compression.

In the process of compressing the glue container 47 by the pneumatic device GS, the driving of the pressing release motor M1 is stopped, and the drive system for transmitting the drive to the sector gears Z12, Z13 is also kept stopped. .

A sector-shaped recess 48 is provided inside the sector gear Z12.
51 are formed, and a sector-shaped concave portion 4852 is formed inside the sector gear Z13. A pin 4853 is implanted on the swing shaft 485A, and a pin 4853 is mounted on the swing shaft 485B.
54 are planted. When the arms 483A and 483B rotate in the direction of compressing the glue storage container 47 due to the pressing load P of the pneumatic device GS, the pins 4853 and 4854 are used.
Abuts against one side wall of each of the sector-shaped concave portions 4851 and 4852 to rotate the gears Z12 and Z13, and
3A and 483B are swung so that the pressing members 482A and 482
B presses the flexible bag 471.

FIG. 12 is a plan view of the pressing release mechanism of the glue supply means 48. The worm gear Z1 fixed to the rotation shaft of the motor M1 by driving the motor M1 for releasing pressure
Rotates the worm wheel Z2 and rotates the gear Z3 via the timing belt TB. The gear Z3 is a gear Z4, Z5, Z6, Z7, Z8, Z9, Z10, Z1.
The oscillating shaft 485B is rotated through the reduction gear train consisting of the first and second gears.

The swinging shaft 485B rotates the shaft 484B implanted on the arm 483B fixed to the swinging shaft 485B in the direction indicated by the dashed line, and pushes the pressing member 482B supported by the shaft 484B in the opening direction. Move to

The sector gear Z12 fixed to the lower shaft end of the swing shaft 485B meshes with the sector gear Z13 fixed to the lower shaft end of the swing shaft 485B.

When the sector gear Z12 is swung by the motor M1 and the gear train of the drive transmission mechanism and rotates clockwise as shown, the sector gear Z13 rotates counterclockwise as shown.
The swing shaft 485A to which the sector gear Z13 is fixed also rotates integrally, swings the arm 483A, rotates the shaft 484A in the direction indicated by the dashed line, and opens the pressing member 482A supported by the shaft 484A. Move in the direction.

When the pressure is released, the swing shaft 485
The pin 4854 implanted in A contacts the other side wall of the concave portion 4852 provided in the sector gear Z13 and the sector gear Z1.
2 is rotated counterclockwise. At the same time, the pin 4853 implanted in the swing shaft 485B comes into contact with the other side wall of the concave portion 4851 provided in the sector gear Z12, and rotates the sector gear Z12 clockwise.

When the driving of the motor M1 is stopped, the fan-shaped concave portions 485 are inserted into the stopped pins 4853 and 4854.
Since the arms 1,4852 can freely move within the play angle between the side walls, the arms 483A, 483B can freely move within this play degree. The free movement of the arms 483A, 483B allows the pressing members 482A, 482B to move freely, so that the pressing members 482A, 482B can be easily moved by grasping and freely separating. By separating the pressing members 482A and 482B, the glue storage container 47 can be attached and detached.

FIG. 13 (a) is a plan sectional view showing a state in which the supply pipe side connection means is detached from the glue storage container side connection means, and FIG. 13 (b) is a view in which the supply pipe side connection means is connected to the glue storage vessel side connection means. FIG. 3 is a front cross-sectional view showing a state in which the camera is connected to. FIG.
14A is an enlarged cross-sectional view of the glue storage container-side connecting means when the glue supply is stopped, and FIG. 14B is an enlarged cross-sectional view of the glue storage container-side connecting means and the supply pipe-side connecting means during glue supply. .

The glue container side connecting means is the glue container 47
A male screw portion 472c screwed into the base member 472, and a female screw portion 473a screwed into the outer lid 473. A discharge opening 473b is formed at the tip of the outer lid 473.

[0110] In the cavity inside the discharge opening 473b,
A spherical valve member 474 having an outer diameter larger than the inner diameter of the discharge opening 473b is inserted therein. The valve member 474 is
The discharge opening 473b is closed from inside by being urged by an elastic member 475 such as a coil spring. Elastic member 47
5 is held by a washer 476 and a rubber seal member 477 inserted between the distal end of the base member 472 and the inside of the outer lid 473.

One end of the supply pipe 451 for supplying and supplying the glue to the glue discharging means 41 is connected to the outer tubular member 461 of the supply pipe side connection means 46. The female screw part 461a screwed to the outer cylinder member 461 is screwed to the male screw part 462a screwed to the inner cylinder member 462.

An O-ring 463 is inserted into a groove formed in the inner diameter of the inner cylindrical member 462. Inner cylinder member 46
A backflow prevention valve 464 is swingably supported on the outer end surface of the inner cylinder member 2 and is urged by a spring 465 to close the opening 462b of the inner cylindrical member 462. A protrusion 466 protrudes from the inner end surface of the inner cylinder member 462.

The outer end surface of the inner cylindrical member 462 and the outer
A rubber seal member 467 is interposed between the inner end surface of the first seal member 1 and the inner end surface to prevent the adhesive from leaking. A rubber seal member 468 is attached to an inner end surface of the inner cylinder member 462.

When the supply pipe side connection means 46 is connected to the glue storage container side connection means, the inner diameter of the inner cylinder member 462 slides on the outer peripheral surface of the outer lid 473 of the glue storage container side connection means via the O-ring 463. Indirect connection prevents leakage of glue. At the time of this connection, the rubber seal member 468 affixed to the inner end surface of the inner cylindrical member 462 presses against the outer end surface of the outer lid 473 to prevent leakage of the glue.

Further, by this connection, the projection 466 of the supply pipe side connection means 46 presses the outer peripheral surface of the valve member 474 of the glue storage container side connection means against the bias of the spring, and moves toward the glue storage container side. Press and move. By the movement of the valve member 474,
The discharge opening 473b of the outer lid 473 is opened. The glue stored in the glue storage container 47 is pressed by the pressing members 482A and 482A.
2B, the discharge opening 4 of the base member 472 is pressed.
After being discharged from 72 a, the check valve 464 is swung against the bias of the spring, passes through the discharge opening 473 b opened, and flows into the supply pipe 451.

FIG. 15A is a plan view showing a state in which the driving means 49 for moving the supply pipe side connecting means 46 is not connected.
(B) is a front view at the time of connection of the drive means 49.

Gear Z2 fixed to the drive shaft of motor M2
1 rotates the gear Z22 via a reduction gear train (not shown). Pulley PL1 fixed to the rotation shaft of gear Z22
Is fixed to one end of the moving body 490. The wire W2 fixed to the other end of the moving body 490 winds the pulleys PL2 and PL3, and
It is stretched by 91.

The supply pipe side connecting means 46 comprising an outer cylinder member 461, an inner cylinder member 462 and the like is fixed to the moving body 490. Sliding body 492 fixed to the base of moving body 490
Goes straight on the surface of the slide rail 493 fixed to the supply device main body. The slide rail 493 includes a slide bearing and supports the moving body 490 so as to be able to move straight.

The moving body 490 is pulled toward the glue container 47 by the tension of the coil spring 491, moves the supply pipe side connection means 46, and connects the inner cylinder member 462 to the outer lid 473 of the glue storage container side connection means. . In this connection state,
The glue in the glue storage container 47 is supplied to the glue discharging unit 41 via the connection unit and the supply pipe 451.

The glue storage container 47 is attached to and detached from the glue supply means 48,
At the time of replacement, the motor M2 is driven, the pulley PL1 is rotated via a drive transmission means such as a gear train, and the rotation of the wire W1 causes the moving body 490 to move straight against the tension of the coil spring 491, thereby moving the supply pipe. The side connecting means 46 is detached from the glue storage container side connecting means.

(Second Embodiment) FIG. 16 shows another embodiment of the glue supply means of the present invention, and FIG.
FIG. 16B is an enlarged cross-sectional view of the glue storage container-side connecting means and the supply pipe-side connecting means during glue supply when glue supply is stopped. Note that, in the reference numerals used in the drawings, parts having the same functions as those in FIG. 14 are denoted by the same reference numerals. Further, points different from the first embodiment will be described.

An inclined surface portion 473c was formed on the inner wall of the outer lid 473 of the glue container side connecting means. The spherical valve member 474 inserted inside the outer lid 473 is provided with an inclined surface portion 473c.
Is moved obliquely downward by its own weight to close the discharge opening 473b.

When the glue container side connecting means and the supply pipe side connecting means 46 are connected, the protruding portion 466 of the inner cylinder member 462 presses the valve member 474 to move it obliquely upward along the inclined surface portion 473c. By the movement of the valve member 474, the discharge opening 473b of the outer lid 473 is opened, and the inner cylindrical member 46 is opened.
The glue that has passed through the second opening 462b is sent to the supply pipe 451.

(Third Embodiment) FIG. 17 shows still another embodiment of the glue supply means of the present invention.
FIG. 17B is a plan sectional view showing the supply pipe side connection means and the glue storage container side connection means in a non-connected state, and FIG. 17B is a front cross section showing the supply pipe side connection means and the glue storage container side connection means in a connected state. FIG. In addition, about the code | symbol used for drawing,
Portions having the same functions as in FIGS. 14 and 15 are denoted by the same reference numerals. Further, points different from the first embodiment will be described.

A dish-shaped valve member 478, a rubber seal member 4771, and the like are provided inside the outer lid 473 of the glue container side connection means.
4772 and an elastic member 475 such as a coil spring. In a disconnected state between the supply pipe side connection means 46 and the glue container side connection means, the valve member 478 is an elastic member 475.
And is pressed against the rubber seal member 4772 to close the discharge opening 473b. In the connection state between the supply pipe side connection means 46 and the glue storage container side connection means,
The protrusion 466 protruding into the inner cylindrical member 462 presses the valve member 478 to move it toward the base member 472, and opens the discharge opening 473b. The glue in the glue storage container 47 passes through the opened discharge opening 473b, and the opening 4 below the check ring 464 is swung by the discharge pressure of the glue.
After passing through 62b, it is pressure-fed to the supply pipe 451.

(Fourth Embodiment) FIG. 18 and FIG.
FIG. 1 shows still another embodiment of the glue supply means of the present invention.
8 is a plan cross-sectional view of the glue storage container side connection means, and FIG.
It is front sectional drawing of the supply pipe side connection means 46 of the connection state, and the glue storage container side connection means. Note that, in the reference numerals used in these drawings, portions having the same functions as those in FIG. 14 are denoted by the same reference numerals. Further, points different from the first embodiment will be described.

A valve member 4740 is fixed inside the first outer cover 4731 fixed to the base member 472 with screws. The valve member 4740 includes the glue flow passage 4741, the cone portion 4
742 and a projection 4743.

On the outer peripheral surface of the tip of the first outer cover 4731,
The second outer lid 4732 is supported movably in the axial direction. The end surface of the second outer cover 4732 has a conical opening 4733.
Are formed.

4771 is a rubber seal member inserted between the end face of the base member 472 and the inner end face of the first outer cover 4731, and 4772 is a rubber seal member fixed to the end face of the front end of the first outer cover 4731. It is a member.

When the moving body 490 is moved by the driving means 49 and the supply pipe side connecting means 46 moves in the axial direction, the inner cylindrical member 462 is moved via the rubber seal member 468 to the second outer cover 4.
732 and is stopped by being pressed against it.

In this connection state, the conical portion 4742 of the valve member 4740 is separated from the conical opening 4733 of the second outer cover 4732, and forms a space through which the glue can flow.
In addition, the protrusion 4743 pushes and swings the check valve 464 of the supply pipe side connection means 46 to forcibly open the opening 462b. In this connection state, the glue in the glue storage container 47 passes through the glue flow passage 4741 in the valve member 4740,
Conical opening 4733 opened by valve member 4740
And through the opening 462b, and is pressure fed to the supply pipe 451.

When the glue container 47 is replaced, the connection between the glue container side connecting means and the supply pipe side connecting means 46 is released. By the driving of the driving means 49, the supply pipe side connection means 46 fixed to the moving body 490 is moved, and the protrusion 4743 is formed.
Is disengaged from the check valve 464 and the opening 462.
b is closed.

The spindle 4 implanted on the slide rail 493
A cam member 495 is swingably fitted to 94.
A release lever 496 is formed integrally with the cam member 495.

When the moving body 490 moves in the direction of the right arrow in the drawing when the connection of the supply pipe side connecting means 46 is released, the bottom of the moving body 490 presses the cam surface on the upper surface of the cam member 495, and the cam member 495 is Swing clockwise as shown. The distal end of the release lever 496 formed integrally with the cam member 495 presses the left end surface of the second outer cover 4732 to move it to the right in the drawing. With this movement, the conical opening 4733 of the second outer cover 4732 is moved to the conical portion 47 of the valve member 4740.
It is closed by abutting on 42 and held in the state shown in FIG. The torsion spring 497 connects the cam member 495 to the moving body 490.
Bias to the side. The stopper 498 regulates the upper limit position of the cam member 495.

(Fifth Embodiment) FIG. 20 to FIG.
Another embodiment of the glue supply means of the present invention is shown. FIG.
0 is a plan sectional view of the glue storage container side connection means, FIG.
FIG. 21 is a partial side view showing a state in which the opening of the glue storage container side connecting means is closed, and FIG. 21B is a partial side view showing a closed state in which the opening of the glue storage container side connecting means is opened. Note that, in the reference numerals used in the drawings, parts having the same functions as those in FIG. 13 are denoted by the same reference numerals. Further, points different from the first embodiment will be described.

A semicircular discharge opening 472d is formed at the end face of the tip of the base member 472. An inner lid 479 is adhered around the discharge opening 472d, and holds the glue Na stored in the flexible bag 471 in a sealed state. The inner lid 479 is formed of a thin film material in the form of a laminated film made of aluminum foil, polyethylene, or the like.
2 is joined to the end face of the front end by heat fusion or the like.

The inner lid 479 is protected by an outer lid 4734 that rotatably engages with the base member 472. That is,
The protrusion 4735 of the outer lid 4734 is rotatable by engaging with a groove formed in the outer peripheral surface near the tip of the base member 472. A small-diameter hole 4736 penetrates an eccentric position at a predetermined distance from the center of the end face of the inner lid 479. Small diameter hole 4
When the 736 is held at the position shown in FIG. 21A which does not overlap with the semicircular discharge opening 472d, the inner lid 479 is protected by the outer lid 4734. The unused glue container 47 in which the glue Na is filled in the flexible bag body 471 is used for the inner lid 479 due to vibration, impact, or the like generated during storage or transport.
Is prevented by the outer lid 4734. In addition, the used adhesive storage container 47 prevents the adhesive Na remaining in the flexible bag body 471 from leaking by the outer lid 4734.

By rotating the inner lid 479, when the small diameter hole 4736 comes to the position shown in FIG. 21B where it overlaps the semicircular discharge opening 472d, it becomes the standby position where the inner lid 479 can be opened. .

FIG. 22 (a) is a plan sectional view showing the supply pipe side connection means 46 and the glue storage container side connection means in a disconnected state.
FIG. 22B is a front sectional view showing the supply pipe side connection means 46 and the glue container side connection means in the connected state.

Prior to the connection between the supply pipe side connection means 46 and the glue storage container side connection means, the outer lid 4734 is rotated manually or by rotating means (not shown) so that the small-diameter hole 4736 has a semicircular discharge opening 472d. 21B, the inner cover 479 becomes a standby position where the inner lid 479 can be opened.

Next, the driving means 49 is driven to connect the supply pipe side connection means 46 to the glue storage container side connection means.
The pressing means GS is operated to press the glue storage container 47.
The pressurized glue in the glue storage container 47 passes through the discharge opening 472d of the base member 472 and breaks the inner lid 479.
After passing through the small-diameter hole 4736, the check valve 464 is pushed open, passes through the opening 462b, is pressure-fed to the supply pipe 451, and is supplied to the glue discharging means 41.

When the glue storage container 47 is replaced, the press release motor M2 is driven to separate the supply pipe side connection means 46 from the glue storage container side connection means.
The spring 64 is biased, and the opening 462b is closed.

The glue binding apparatus C according to the present invention is connected to an image forming apparatus such as a copying machine, a printer, or a multifunction peripheral thereof. Desired digital processing is performed by the image forming apparatus,
After processing such as single-sided recording, double-sided recording, and page editing, the discharged sheet is subjected to accurate and efficient cover-covering and gluing processing by an image forming apparatus equipped with the glue-binding apparatus C of the present invention, and is bound. You.

It is also possible to form the glue binding apparatus C of the present invention in an independent device and to produce a glue binding for paper processed by another image forming apparatus.

[0145]

As is apparent from the above description, the following effects can be obtained by the gluing apparatus, glue binding apparatus, and image forming apparatus of the present invention.

(1) When an external pressure acts on the glue storage container during storage and transportation of the glue storage container by the gluing device according to any one of claims 1 to 4 of the present invention, the glue storage container is placed in the glue storage container. Since the contained glue presses the valve member (spherical inner lid) in a direction to close the discharge opening, leakage of the glue in the glue storage container is prevented. In addition, when the glue storage container is replaced, leakage of glue from the glue storage container connection portion and occurrence of defective glue application due to air entering the glue storage container connection portion are prevented, which is effective in improving work efficiency and improving binding quality. It is.

(2) With the gluing device according to any one of claims 5 to 7 of the present invention, when the glue is loaded into the glue storage container, air can be easily removed. In addition, leakage of glue from the glue storage container connection portion when the glue storage container is replaced, and occurrence of poor glue application due to air entering the glue storage container connection portion are prevented.

(3) Any one of claims 8 to 10 of the present invention
When the glue is loaded into the glue storage container, air can be easily removed by the gluing device described in the section. Also,
When an external pressure acts on the glue storage container during storage and transport of the glue storage container, the glue stored in the glue storage container presses the valve member (dish-shaped inner lid) in a direction to close the discharge opening. Accordingly, leakage of the glue in the glue storage container is prevented. Further, the leakage of the glue from the glue storage container connection portion when the glue storage container is replaced, and the occurrence of poor glue application due to the entry of air into the glue storage container connection portion are prevented.

(4) With the glue binding apparatus according to any one of claims 11 to 13 of the present invention, leakage of glue from the glue storage container connection portion when the glue storage container is replaced, The occurrence of defective glue application due to the intrusion of air into the space is prevented. Further, when an external pressure acts on the glue storage container during storage and transport of the glue storage container, the glue in the glue storage container can prevent the inner lid (thin film material) from being broken by the outer lid.

(5) By the glue binding apparatus according to claim 14 of the present invention, the glue sent from the glue supply means to the glue discharge means at a predetermined pressure is discharged from the glue discharge means by a fixed amount of glue. It is applied evenly to the side edges of the paper. The paper that has been subjected to the glue application processing is accommodated in the paper accommodating means of the aligning and pressurizing means, and is brought into close contact with the glue application section by rolling of the pressurizing means.

(6) The image forming apparatus provided with the glue binding apparatus according to the fifteenth aspect of the present invention performs a gluing process on the paper conveyed at a high speed from the image forming apparatus by the glue binding apparatus. It is possible to perform bookbinding automatically.

[Brief description of the drawings]

FIG. 1 is an overall configuration diagram of an image forming system including an image forming apparatus, an image reading apparatus, and a glue binding apparatus.

FIG. 2 is a configuration diagram illustrating a sheet transport path of the glue binding apparatus.

FIG. 3 is a schematic diagram showing a process of gluing and binding to paper.

FIG. 4 is a perspective view showing a glue application position on various types of paper.

FIGS. 5A and 5B are a plan view and a front view of the vicinity of a glue discharging unit of a paper correcting unit and a glue applying unit.

FIG. 6 is an enlarged sectional view of a glue discharging unit and a driving unit.

FIG. 7 is an enlarged sectional view showing a moving process of a first needle member and a second needle member.

FIG. 8 is a perspective view and a sectional view of a glue storage container.

FIG. 9 is a plan view and a front cross-sectional view of the glue supply unit showing an initial state in which the glue storage container is mounted on the glue supply unit.

FIG. 10 is a plan view of the glue supply unit in which the glue storage container attached to the glue supply unit is in a flat state.

FIG. 11 is a plan view of a pressing drive mechanism of the glue supply unit.

FIG. 12 is a plan view of a pressing release mechanism of the glue supply unit.

FIG. 13 is a sectional view showing a non-connection state and a connection state between the supply pipe side connection means and the glue storage container side connection means.

FIG. 14 is an enlarged cross-sectional view of the glue storage container-side connecting means when glue is stopped and when glue is supplied.

FIG. 15 is a plan view of a driving unit for moving the supply pipe side connection unit when not connected and a front view when connection is made.

FIG. 16 is an enlarged cross-sectional view of the glue storage container-side connecting means when glue is stopped and when glue is supplied.

FIG. 17 is a cross-sectional view showing a supply pipe side connection unit and a glue container side connection unit in a non-connection state and a connection state.

FIG. 18 is a plan sectional view of the glue storage container side connection means.

FIG. 19 is a front sectional view of a supply pipe side connection unit and a glue storage container side connection unit in a connected state.

FIG. 20 is a plan cross-sectional view of the glue storage container-side connecting means.

FIG. 21 is a partial side view showing a state where the opening of the glue storage container side connection means is closed and opened.

FIG. 22 is a sectional view showing a supply pipe side connection unit and a glue storage container side connection unit in a non-connection state and a connection state.

[Explanation of symbols]

 40 Glue application means 40A Collection container 41 Glue discharge means 451 Supply pipe 46 Supply pipe side connection means 461 Outer cylinder member 462 Inner cylinder member 462b Opening 464 Backflow prevention valve 466 Projection 47 Glue storage container 471 Flexible bag body 472 Cap Member 473 Outer cover 473b Discharge opening 473c Inclined surface portion 4731 First outer cover 4732 Second outer cover 4733 Conical opening 474 Valve member 4740 Valve member 4742 Conical body 4743 Projection 478 Valve member 479 Inner lid 48 Glue supply means 481 Container mounting section 482A, 482B Pressing member 49 Driving means 490 Moving body 495 Cam member 496 Release lever A Image forming apparatus main body C Glue binding apparatus GS Pressurizing means (pneumatic device)

 ──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Toshio Shida 2970 Ishikawacho, Hachioji-shi, Tokyo Konica Corporation (72) Inventor Hitoshi Tamura 2970 Ishikawacho, Hachioji-shi, Tokyo Konica Corporation (72) Inventor Toshitaka Matsumoto 3-51-4 Kanamecho, Toshima-ku, Tokyo (72) Inventor Makoto Tamura 2-14-14, Oyaba, Urawa-shi, Saitama F-term (reference) 3F108 GA02 GA04 GB01 HA02 HA13 4F041 AA02 AA16 AB02 BA10 CB30 CB54

Claims (15)

[Claims] 1. A pressurizing means for pressing a glue storage container containing a liquid glue to discharge the glue contained therein from a discharge opening,
A supply pipe for transferring the glue discharged from the glue storage container,
Glue storage container side connection means for connecting the supply pipe and the glue storage container, supply pipe side connection means for detachably connecting the glue storage container side connection means and the supply pipe, and transfer by the supply pipe A paste member that receives the paste and discharges the paste from a nozzle opening, and a valve member provided inside the paste container-side connection unit that opens and closes the discharge opening. An elastic member for urging to close the discharge opening, providing a projection inside the supply pipe side connection means, and connecting the supply pipe side connection means to the glue container side connection means. A gluing device, wherein the projection presses the valve member to open the discharge opening. 2. A backflow prevention valve and an urging means are provided inside the supply pipe side connection means, and when the supply pipe side connection means is connected to the glue storage container side connection means, the pressure means is used. The glue stored in the glue storage container is discharged from the discharge opening to open the check valve, and when the glue storage container side connection means and the supply pipe side connection means are not connected, the The gluing device according to claim 1, wherein the check valve is closed by an urging means. 3. Pressurizing means for pressing a glue storage container containing liquid glue to discharge the glue contained therein from a discharge opening,
A supply pipe for transferring the glue discharged from the glue storage container,
Glue storage container side connecting means connected to the glue storage container, supply pipe side connecting means detachably connected to the glue storage container side connection means and connected to the supply pipe, and glue transferred by the supply pipe Glue discharging means for receiving and discharging from the nozzle opening, and a valve member for closing the discharge opening by moving the inclined surface formed on the inner wall of the glue container side connecting means by its own weight, A projection is provided inside the supply pipe side connection means, and when the supply pipe side connection means is connected to the glue storage container side connection means, the projection presses the valve member and the discharge opening section A gluing device characterized by releasing the glue. 4. The supply pipe side connection means is connected to a driving source and is mounted on a movable body which can reciprocate, and drives the movable body so that the glue storage container side connection means and the supply pipe side are connected. The gluing device according to any one of claims 1 to 3, wherein the gluing device is connected to or disconnected from the connecting means. 5. Pressurizing means for pressing a glue storage container containing liquid glue to discharge the contained glue from a discharge opening.
A supply pipe for transferring the glue discharged from the glue storage container,
Glue storage container side connecting means connected to the glue storage container, supply pipe side connecting means detachably connected to the glue storage container side connecting means to the receiving portion of the supply pipe, and glue transferred by the supply pipe Glue discharging means for receiving the paste from the nozzle opening, and the glue storage container side connecting means, a first connecting member connected to the discharge opening of the glue storage container,
A valve member installed inside the first connection member, the valve member having a cone portion at the tip, and a second connection member closing a glue circulation path by a cone surface fitted into the cone portion of the valve member;
Moving means for moving the second connection member,
In conjunction with the operation of connecting the supply pipe side connection means to the glue storage container side connection means, the moving means moves the second connection member of the glue storage container side connection means, and the cone of the valve member A gluing device, wherein a body portion and a conical surface of a second connecting member are separated from each other so that the glue in the glue storage container can be supplied to the glue discharging means. 6. A check valve and an urging means are provided inside the supply pipe side connection means, and a projection is provided on the valve member.
When the glue storage container side connection means and the supply pipe side connection means are not connected, the urging means holds the check valve in a closed state, and the glue storage container side connection means connects the supply pipe side connection means to the glue storage container side connection means. Connecting the paste, the protrusion contacts the check valve to open the glue circulation path, and supplies the glue stored in the glue storage container to the glue discharging means. Item 6. A gluing device according to Item 5. 7. The supply pipe side connection means is mounted on a movable body which is connected to a driving source and is reciprocally movable, and the movable means moves the second connection member by driving the movable body, The gluing device according to claim 5, wherein the glue in the glue storage container can be supplied to the glue discharging means. 8. Pressurizing means for pressing a glue storage container containing a liquid glue to discharge the contained glue from a discharge opening.
A supply pipe for transferring the glue discharged from the glue storage container,
Glue storage container side connecting means connected to the glue storage container, supply pipe side connecting means detachably connected to the glue storage container side connecting means to the receiving portion of the supply pipe, and glue transferred by the supply pipe Glue discharging means for receiving the paste from the nozzle opening, and the glue container-side connecting means comprises a connecting member connected to a discharge opening of the glue container, and a discharging opening of the connecting member. An elastic valve member for enabling opening and closing, and an urging member for urging the elastic valve member to close the discharge opening; a projection is provided inside the supply pipe side connection means; A gluing device, wherein when the supply pipe side connection means is connected to the storage container side connection means, the projection presses the elastic valve member to open the discharge opening. 9. A check valve and an urging means are provided inside the supply pipe side connection means, and a projection is provided on the valve member.
When the glue storage container side connection means and the supply pipe side connection means are not connected, the urging means holds the check valve in a closed state, and the glue storage container side connection means connects the supply pipe side connection means to the glue storage container side connection means. When connecting the glue, the protrusion is brought into contact with the elastic valve member and moved to open the glue circulation path, and the glue stored in the glue storage container is supplied to the glue discharging means. The gluing device according to claim 8, wherein 10. The supply pipe side connection means is mounted on a movable body which is connected to a driving source and is reciprocally movable, and drives the movable body so that the glue container side connection means and the supply pipe side are connected. The gluing device according to claim 8, wherein the gluing device is connected to or disconnected from the connection unit. 11. A pressurizing means for pressing a glue storage container containing liquid glue to discharge the glue contained therein from a discharge opening, a supply pipe for transferring the glue discharged from the glue storage container, and Glue storage container side connecting means connected to the discharge opening of the glue storage container, supply pipe side connection means removably connected to the glue storage container side connection means and to the receiving part of the supply pipe, and transfer by the supply pipe Glue discharging means for receiving the glue discharged from the nozzle opening, and wherein the glue storage container-side connecting means is an openable thin film member for sealing a discharge opening of the glue storage container, The thin film member is protected and formed in a double configuration with an outer lid member having an opening corresponding to the discharge opening by rotating, and a discharge opening of the glue container and an opening of the outer lid member are formed. After matching, the glue storage container side connection means By connecting the supply pipe side connecting means to, applying pressure by the pressurizing means, breaking the thin film member by the pressure of the glue in the glue storage container, opening the discharge opening, the A gluing device, wherein glue in a glue storage container is supplied to the glue discharging means. 12. A backflow prevention valve and an urging means are provided inside the supply pipe side connection means, and when the glue storage container side connection means and the supply pipe side connection means are not connected, the urging means is provided. When the check valve is kept closed and the supply pipe side connection means is connected to the glue storage container side connection means, the glue distribution path is opened by the glue pressure in the glue storage vessel by the pressurizing means. The gluing device according to claim 11, wherein the glue stored in the glue storage container is supplied to the glue discharging means. 13. The supply pipe side connection means is mounted on a movable body which is connected to a driving source and is reciprocally movable, and drives the movable body so that the glue container side connection means and the supply pipe side are connected. 13. The gluing device according to claim 11, wherein the gluing device is connected to or disconnected from the connecting means. 14. A gluing device according to claim 1, a conveying device for conveying a sheet, and a storage device for aligning and storing the sheet subjected to the gluing process. And a pressurizing means for pressing a plurality of aligned paper sheets. 15. An image forming apparatus comprising: an image forming apparatus main body including an image writing unit, an image forming unit, and a sheet conveying unit; and the glue binding apparatus according to claim 14.