JP2001072286A - Automatic rewinding device in slitting machine - Google Patents

Abstract

(57) [Summary] [PROBLEMS] To provide an automatic slitter switching device in a slitter device. SOLUTION: A winding unit 5 provided with a winding shaft 9 for winding a web 1 to form a small winding 2 is movable with respect to a main body 11 holding a touch roll 14, and when the small winding is switched, winding is performed. The take-up unit 5 is moved to separate the small roll 2 from the touch roll 14, and then a new paper core 3 is sent to a position where it comes into contact with the touch roll 14 by the paper core supply device 25.
The web 1 between the touch roll 14 and the small roll 2 is cut off by a web cutting device 37, the web end is wound on the small roll surface, fixed with a non-raveling tape, discharged, and then discharged.
The take-up unit 5 is moved to the touch roll 14, and a new paper tube 3 is held by the take-up shaft 9.
To a normal winding operation.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a slitter for cutting (slitting) a long web such as a packaging material after printing in the longitudinal direction and winding the web. The present invention relates to an apparatus for automatically performing a switching operation of a small roll wound on a paper tube.

[0002]

2. Description of the Related Art In a slitter apparatus, the most frequently performed operation is switching of small rolls (also called rewinding).
There is work. In this small roll switching operation, the small roll having a predetermined diameter is discharged, a loosening prevention tape for fixing the end of the web on the surface of the small roll, a new paper tube is loaded, and the front end of the web is placed on the surface of the new paper tube. Work such as attaching a fixing tape for fixing is performed. Since all of these operations are performed manually in actual production, their productivity and quality seem to be greatly affected by differences in the skills of the workers. In addition, the machine must be stopped for a long time for these operations, which is also a factor that deteriorates the production capacity.

[0003]

SUMMARY OF THE INVENTION The present invention has been made to solve these problems, and makes it possible to automatically switch small rolls, thereby greatly reducing the work load on the operator. Further, it is an object of the present invention to provide an automatic rewinding device of a slitter device capable of shortening a machine stop time and improving an operation rate while maintaining the same quality.

[0004]

SUMMARY OF THE INVENTION The present invention employs a touch roll system for winding a web after slitting, and includes a winding unit having a winding shaft for forming a small winding, and a touch roll. It is provided separately from the held main body, and the winding unit is configured so that each held small roll can be moved to a position where the small roll is in contact with the touch roll of the main body and a position away from the touch roll, When the small volume reaches a predetermined winding diameter and needs to be re-wound, the winding section is moved to separate the small volume from the touch roll, and then a new paper core is brought into contact with the touch roll by the paper core supply device. To the location, then
The web extending between the new paper tube and the small winding of the winding section is cut off by a web cutting device, and the small winding is rotated at the winding section to wind the web end, and the web end and the small web are wound. Attach the anti-raveling tape to the winding surface with the anti-raveling tape application device to fix the web end.After discharging the small roll from the winding part, move the winding part to the vicinity of the touch roll, and take up. The shaft holds a new paper core in contact with the touch roll, and then affixes a fixing tape to the web end on the paper core side and the paper core with a fixing tape application device to fix the web end to the paper core. After that, the operation is shifted to a normal winding operation. With this configuration, the small winding can be automatically performed.

[0005]

BEST MODE FOR CARRYING OUT THE INVENTION An automatic rewinding device in a slitter according to the present invention is provided with a winding shaft for holding a paper tube and winding up the web after slitting the paper tube to form a small winding. A winding portion, a main body portion provided with a touch roll disposed between a slit position of a web and the winding portion and capable of contacting a small roll held by the winding portion at substantially the same height; A winding unit that moves the winding unit to a position where the holding small roll is in contact with the touch roll of the main body unit, and a winding unit moving device that moves the small winding from the touch roll; A paper tube supply device that supplies a new paper tube to a position where the new paper tube comes into contact with the touch roll and can be chucked by the take-up shaft of the take-up unit when the paper roll is moved to the touched position. Between the paper core supplied and A web cutting device for cutting the web, a web-cutting device, a web-cutting device for applying a web-proofing tape to fix the end of the web wound on the surface of the web to the web surface, and a web. After the cutting, a fixing tape sticking device for sticking a fixing tape so as to fix the web end on the paper tube side in contact with the touch roll to the paper tube is provided. With this configuration, when the small winding wound by the winding unit reaches a predetermined diameter and it is necessary to change the winding, the running of the web and the rotation of the small winding are stopped, and the winding unit is moved. To separate the paper core from the touch roll, and then feed the new paper core to a position where it comes into contact with the touch roll with a paper core supply device, and remove the web extending between the new paper core and the small winding of the winding section. The web is cut off by a web cutting device, and on the winding section side, the web is rotated to wind the web end, and a tape for preventing loosening is applied to fix the web end to the surface of the web. Then, the take-up unit is moved to the vicinity of the touch roll, and the take-up shaft holds a new paper tube in contact with the touch roll. Attach the fixing tape to the pipe with a fixing tape pasting device and fix it. After the operation to shift to the normal reeling operation can be performed automatically, it is possible to automatically Komaki switching.

[0006] Here, the paper tube feeding device puts the paper tube from the side surface portion of the main body portion and pushes the paper tube below the touch roll, so that the paper tube is parallel to the axis of the touch roll. Guide means provided to be able to be fed to a predetermined position in the width direction of the web, a paper tube supply table provided adjacent to the guide means and capable of holding a paper tube mounted thereon, and the guide A pusher for feeding the paper core on the means to the paper core supply, and the paper core supply;
It is preferable that the apparatus has a paper tube feed table driving device for moving the paper tube held in the standby position for receiving the paper tube from the guide means and the operating position for bringing the held paper tube into contact with the touch roll. With this configuration, the paper tube can be sent to a predetermined position on the guide means during normal operation of the slitter device, and the paper tube on the guide means can be transferred to the paper tube supply table by the pusher, and the paper When it becomes necessary to supply the paper tube, the paper tube supply table on which the paper tube is placed can be moved by the paper tube supply table driving device, and the held paper tube can be supplied to a predetermined position in contact with the touch roll, The paper tube can be supplied promptly with a simple configuration.

In the paper tube feeding device having the above-mentioned structure, it is preferable that a paper tube stopper for stopping the fed paper tube at a predetermined position is provided at one end of the guide means.
With this configuration, a paper tube having a length equal to the slit width of the web is simply linearly arranged and fed onto the guide means, and the leading end thereof is positioned by the paper tube stopper. Can be positioned at
The positioning operation of the paper tube can be performed very easily.

[0008] The above automatic rewinding device further comprises rotating the small winding held by the winding shaft of the winding section to wind the cut web end onto the small winding peripheral surface. It is preferable to provide a curl prevention device for preventing curling of both side edges of the portion. With this configuration, when the web extending between the small roll and the touch roll is cut, even if curls occur on both side edges of the web end, the web end is wound on the small roll peripheral surface. In such a case, the curl at both ends of the web end can be extended, so that the web end can be wound on the surface of the small roll without curling or bending, and the web end can be wound. The unraveling prevention tape can be securely attached and fixed.

It is also preferable to provide a web pressing device for pressing the web on the surface of the paper tube that comes into contact with the touch roll. With this configuration, the front end of the web can be pressed against the paper tube by the web pressing device, and the fixing end of the fixing tape in this state can securely fix the front end of the web to the paper tube.

[0010]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Preferred embodiments of the present invention shown in the drawings will be described below. FIG. 1 is a schematic side view showing a slitter apparatus provided with a small-volume rewinding device according to an embodiment of the present invention, in a state where the small-volume rewinding is being performed. FIG. 2 shows the slitter device in a state during a winding operation. FIG. 3 is a schematic front view of the slitter device shown in FIG. 1 as viewed in the direction of arrow AA, and FIG. 4 is a main body of the slitter device shown in FIG.
FIG. 5 is a schematic side view showing the touch roll and its periphery in the device shown in FIG. 1 in an enlarged manner. 1 to 5, reference numeral 1 denotes a web after slitting, and reference numeral 2 denotes a small roll obtained by winding the web 1 on a paper tube 3. The slitter according to the present embodiment has a configuration in which a wide web is slit into four webs 1 having the same width and wound up in two stages.

Reference numeral 5 denotes a take-up portion, which includes side frames 6 on both sides, guide rails 7 laid over the side frames 6, a movable frame 8 held on the guide rails 7 so as to be adjustable in position, and the like. The movable frame 8
And a take-up shaft 9 that fits, holds, and rotates both ends of the paper tube 3.
Is attached. A chucking mechanism that reciprocates the winding shaft 9 in the axial direction is connected to the winding shaft 9 so that the paper tube 3 can be attached and detached.

Reference numeral 11 denotes a main body, and a side frame 12
And a touch roll 14 and a guide roller 15 held by the side frame 12. The touch roll 14 is arranged at substantially the same height as the winding shaft 9 of the winding unit 5 and at a position where it can contact the peripheral surface of the small roll 2 held on the winding shaft 9. The cylinder 13 moves to a forward position (a position where normal winding is performed) and a retracted position (a retracted position). The guide roller 15 is arranged so that the web 3 can be sent to the lower surface side of the touch roll 14.

The main body 11 is fixed and held on a base 16,
On the other hand, the above-described winding unit 5 is movably held on a guide rail 17 provided horizontally on a base 16 and at right angles to the axis of the touch roll 14 and the winding shaft 9.
Thus, the winding unit 5 can move in the direction of approaching and separating from the main body unit 11, and the touch roll 14 of the small winding 2 can be moved.
Can be changed. Reference numeral 20 denotes a take-up section moving device that moves the take-up section 5, and includes a guide rail 1
7, a ball screw shaft 21 provided in parallel with 7, and a take-up unit moving servomotor 22 for rotating the shaft.
The ball screw shaft 21 is screw-engaged with the winding unit 5. Thus, by rotating the ball screw shaft 21 with the servo motor 22, the winding section 5 can be moved in a direction to approach and separate from the main body section 11. The servo motor 22 moves the winding unit 5 such that the small winding 2 is in contact with the touch roll 14 with an appropriate contact pressure during normal small winding so as to retract as the winding diameter increases. When rewinding the small roll, the small roll 2 is moved to the touch roll 14 as shown in FIG.
The take-up unit 5 is controlled so as to move so that the take-up unit 5 is far away from the main unit.

When the small roll 2 is moved to a position distant from the touch roll 14 diagonally below the touch roll 14 of the main body 11, a new paper tube 3 is moved to a position where it comes into contact with the touch roll 14. A paper tube supply device 25 is provided for supplying the paper to a position where it can be chucked by the winding shaft 9 of the winding unit 5. This paper tube supply device 25 is provided with a touch roll 1
The paper tube 3 is placed obliquely downward from the side of the main body 11 and pushed in, so that the paper tube 3 is positioned parallel to the axis of the touch roll 14 in a predetermined position in the web width direction (corresponding to the slit web 1). Guide means 26 composed of two guide rods arranged so that they can be fed to
And a paper tube supply table 27 provided adjacent to the guide means 26 and capable of holding the paper tube 3 thereon, and a pusher 28 for feeding the paper tube 3 on the guide means 26 to the paper tube supply table 27.
A paper tube supply table driving device 29 and the like for moving the paper tube supply table 27 to a standby position for receiving the paper tube from the guide means 26 and to an operation position for bringing the held paper tube into contact with the touch roll are provided.

[0015] The paper tube feed table driving device 29 in the present embodiment.
The first movable base 31A movably held via a guide rail 30 attached to the frame of the main body 11 in an oblique direction, and the first movable base 31A is held so as to be able to adjust the horizontal position. The second movable table 31B, the paper tube lifting cylinder 32 held by the second movable table 31B and vertically moving the paper tube supply table 27 vertically, and the movement for moving the first movable table 31A along the guide rail 30. The table drive cylinder 33 is provided, and the paper tube supply table 27 which has received the paper tube 3 from the guide means 26 is moved diagonally upward by moving the movable tables 31A and 31B diagonally upward, and then the paper tube elevating cylinder The paper tube 3 can be supplied to a predetermined position in contact with the touch roll 14 by being raised at 32.
In this embodiment, the configuration is such that the paper tube supply table 27 is moved obliquely and vertically moved up and down because the paper tube supply table driving device 29 is installed in a narrow space below the touch roll 14.
If there is no space limitation, the paper tube supply table 27 received from the guide means 26 is supplied to a predetermined position in contact with the touch roll 14 by simply raising and lowering the paper tube supply table 27. A change such as a configuration may be made.

As can be clearly understood from FIG. 4, at one end of the guide means 26 for feeding the paper tube 3, a paper tube stopper 35 for stopping the fed paper tube 3 at a predetermined position is provided. As described above, in this embodiment, since the width of the web 1 after cutting is constant, the paper tube 3 on which the web 1 is wound has a length equal to the width of the web 1. For this reason, the guide means 2 arranged vertically
6, 26, respectively, on the opposite side of the paper tube stopper 35,
The paper tube 3 is placed on the side surface portion of the main body 11 and is fed one after another so that the paper tube 3 is linearly arranged on the guide means 26, and can be fed to a position where the leading end abuts the paper tube stopper 35. In this state, every other paper tube 3 (shown by hatching) is positioned at a position corresponding to each web 1 in the width direction. Accordingly, the paper tube 3 indicated by hatching in FIG. 4 is sent to the paper tube supply table 27 by the pusher 28 and is sent to the position where the paper tube 3 comes into contact with the touch roll by the paper tube supply table 27, so that the paper tube 3 is moved in the width direction of each web 1. Can be supplied to a predetermined position corresponding to
The operation of feeding the paper tube 3 from one end of the guide means 26 may be performed during the winding operation of the web 1. This operation may be performed manually by an operator, or may be performed automatically by providing a pusher or the like.

4 and 5, a web cutting device is provided above the touch roll 14 for cutting the web 1 extending between the paper tube 3 and the small roll 2 supplied so as to contact the touch roll 14. 37 are provided. The web cutting device 37 includes a web cutter 38 for cutting the web 1.
And a web cutter traveling cylinder 39 for moving the web cutter 38 in the width direction of the web 1.

In FIG. 5, above the touch roll 14, on the surface of the empty paper tube 3 which comes into contact with the touch roll 14,
A web holding device 41 for pressing the web 1 is also provided. The web press device 41 includes a web press 42,
The web retainer 42 is moved back and forth and the fulcrum shaft 4
Cylinder 4 for moving the web presser to rotate around 3
Normally, the web presser 42 is at the retracted position shown by the solid line in FIG. 5, but when the cylinder 44 for moving the web presser is operated, the web presser 42 advances and then rotates about the fulcrum shaft 43. By moving the roller 42, the roller 42 a at the distal end of the web holder 42 can be pressed against the outer peripheral surface near the vertex of the paper tube 3.

1 to 3, a winding shaft 9 of a winding section 5 is shown.
Above this, a non-raveling tape applying device 50 for applying a non-raveling tape so as to fix the end of the web wound on the small volume 2 to the surface of the small volume, and a new paper tube in contact with the touch roll 14 A fixing tape sticking device 52 for sticking a fixing tape so as to fix the web end to 3 is provided. Each of the unraveling tape applying device 50 and the fixed tape applying device 52 is
The unraveling prevention tape is pulled out from 3, 54, cut into an appropriate length and attached, and a known one can be used. In this embodiment, the unraveling tape applying device 5 is used.
0 and the fixed tape attaching device 52 are held on a common support 56, and the support 56 is held by a Y-axis moving table 57 so as to be able to move up and down and is moved up and down by an elevating mechanism (not shown). Has become. Further, the Y-axis moving table 57 is held by the X-axis moving table 58 so as to be movable in the Y-axis direction, which is horizontal and perpendicular to the axis of the small winding 2, and has a Y-axis driving mechanism (not shown). To allow the vehicle to travel in the Y-axis direction. On the other hand, the X-axis moving table 58 is movably held by a guide rod 60 provided horizontally in FIG. 3, and is moved in an X-axis direction parallel to the axis of the small volume 2 by an X-axis driving mechanism (not shown). It is configured to be able to run. Thus, the unraveling tape applying device 50 and the fixed tape applying device 52 can travel in the vertical direction, the X-axis direction, and the Y-axis direction, and move to a desired position with respect to the small volume 2 and the paper tube 3, and Fixing tape can be applied. In addition, the support base 56 and the loosening prevention tape applying device 50 and the fixed tape applying device 52 held thereon are not limited to the case where only one set is provided for each small volume 2 as shown in the drawing.
A plurality of sets may be provided in parallel for each of the small rolls 2, and a loosening prevention tape or a fixing tape may be simultaneously attached to each of the small rolls 2 and each of the paper tubes 3 at different positions in the axial direction. Good.

In FIGS. 1 to 3, a curl prevention device 61 is provided so as to be located above both ends of the small winding 2 wound by the winding section 5. This curl prevention device 61
Is to prevent curling that tends to occur on both side edges of the web end when winding the web end after cutting on the surface of the small roll 2, as shown in FIGS. 6 and 7. A lifting plate 62 held up and down by the movable frame 8 (see FIG. 3), and lifting the lifting plate 62 to an upper retreat position;
In use, an elevating mechanism (not shown) for lowering to a position corresponding to the outer diameter of the small reel 2, a web holding chain 63 provided with one end fixed to the elevating plate 62, and a web holding chain 63 A suction plate 64 provided at the tip, a wire 65 arranged on the upper surface side of the web holding chain 63 and having a tip fixed to the suction plate 64, a pin cylinder 66 for loosening or pulling the wire 65, etc. are provided. ing. Here, the web holding chain 63 can be freely bent downward when the wire 65 is loosened as shown in FIG. 7, but becomes straight as shown in FIG. 6 when the wire 65 is pulled, It cannot be bent upward. As shown in FIG. 6, the curl prevention device 61 is in a retracted position where it does not come into contact with the small winding 2 and the web 1 during a normal winding operation, and the wire 65 is pulled. When the winding of the winding 2 is finished and the small winding is switched, as shown in FIG. 7, the elevating plate 62 is lowered and the wire 65 is loosened, and the entire web holding chain 63 is put on the small winding 2. And the suction plate 64
Are almost in contact with the web 3. In this state, the web 3 is sucked and held by the suction plate 64, and thereafter, the web 3 is cut, and the small roll 2 is rotated to wind the web end on the outer peripheral surface of the small roll 2. Winding can be performed while preventing curling that tends to occur on both side edges.

Next, the operation of the apparatus having the above configuration will be described with reference to FIGS. During normal winding operation, FIG.
As shown in (a), the small reel 2 held by the winding shaft 9 of the winding section 5 is in contact with the touch roll 14 of the main body section 11 at an appropriate contact pressure, and the winding is performed in this state. Will be Then, as the winding diameter of the small roll 2 increases, the winding unit 5 retreats, and the contact pressure with the touch roll 14 is maintained substantially constant. During the winding operation, the unraveling tape applying device 50, the fixed tape applying device 52, the curl preventing device 61, etc. are retracted to positions where they do not interfere with the winding onto the small winding 2, and the paper tube supply table 27 is It is waiting beside the guide means 26.

In order to switch the small volume after the small volume 2 has reached the predetermined diameter, first, the winding by the small volume 2 is stopped, and then the winding section 5 is retracted as shown in FIG. Then, the small roll 2 is largely separated from the touch roll 14. At an appropriate time before this operation, the paper tube 3 is supplied to the guide means 26, and the paper tube 3 is transferred onto the paper tube supply table 27 by the pusher 28.

Next, as shown in FIG. 9A, the paper tube supply table 27 moves to move the held paper tube 3 to a predetermined position where it comes into contact with the touch roll 14. Therefore, the web 1 extending from the touch roll 14 toward the small volume 2
Is lifted by the paper tube 3. next,
The web presser 41 operates, and the web presser 42 presses the web 1 against the upper surface of the paper tube 3 to fix it. Next, the curl prevention device 61 is operated, the web holding chain 63 is placed on the upper surface of the small reel 2, and the suction plate 64 is moved to a position where the web 1 can be suction-held, thereby holding the web 1 by suction (FIG. 7). reference). In addition, the Y-axis moving table 57 above the small volume 2 moves rightward, and moves the loosening prevention tape applying device 50 right above the small volume 2.

In this state, the web cutting device 37 operates,
As shown in FIG. 9B, the web 1 extending between the paper tube 3 and the small winding 2 is cut off near the paper tube 3 and cut off. Next, the small roll 2 rotates in the direction indicated by the arrow, and the end of the cut web 1 is wound on the surface of the small roll 2. At this time, since the web 1 is wound up while being sucked by the suction plate 64 of the curl prevention device 61, even if curl occurs at the time of cutting, the web 1 is stretched while passing under the suction plate 64, and thereafter the web presser is pressed. Since it is wound up while being pressed against the outer peripheral surface of the small winding 2 by the chain 63, curling or bending does not occur. Thus, the end of the web is stably wound on the surface of the small roll 2 without curling or bending. When the end of the web 1 is wound on the surface of the small reel 2 and the end reaches the top of the small reel 2, the small reel 2 stops, and then the unraveling tape applying device 5
The support table 56 holding “0” is lowered, and a loosening prevention tape is stuck to the end of the web and fixed to the surface of the small roll 2. The support 56 also moves in the axial direction of the small roll 2, whereby the anti-raveling tape is applied to a plurality of locations at the end of the web.

After the unraveling tape is applied to the small roll 2 and the end of the web on the surface thereof, as shown in FIG. 10A, the support 56 is retracted upward, and the winding section 5 is touched. It moves further away from the roll 14. Next, the small-volume receiving lever 70 is inserted under the small volume 2 held by the winding portion 5, and the winding shaft 9 holding the small volume 2 is pulled from the paper core 3 of the small volume 2. The small reel 2 is removed and transferred onto the small reel receiving lever 70.

Next, as shown in FIG. 10 (b), the winding unit 5 advances, and the axis of the winding shaft 9 is made to coincide with the axis of the new paper tube 3 which is in contact with the touch roll 14, Thereafter, the winding shaft 9 chucks the paper tube 3. At the same time, the support 56 holding the fixing tape applying device 52 moves to move the fixing tape applying device 52 to a predetermined position just above the paper tube 3.

After the paper tube 3 is chucked by the winding shaft 9, as shown in FIG. 11 (a), the paper tube supply table 27 is retracted downward, and at the same time, the fixed tape applying device 52 is lowered. Then, the winding shaft 9 rotates in the reverse direction, and rotates the paper tube 3 in the direction shown by the arrow. As a result, the web end on the paper tube 3 side is
Pulled back on the surface. Next, the fixing tape is attached to the web tip and the surface of the paper core 3 by the fixing tape attaching device 52, and the web tip is fixed to the paper core 3.

After that, as shown in FIG. 11B, the support 56 holding the fixed tape attaching device 52 returns to the upper standby position, and the winding by the new paper tube 3 is started. As described above, the small volume switching is automatically performed.

In the above embodiment, the unraveling tape attaching device 50 for attaching the unraveling tape and the fixing tape attaching device 52 for attaching the fixing tape are separately provided. The present invention is not limited to this, and a single tape application device may be provided so as to be able to be inverted, and a configuration may be adopted in which the unraveling prevention tape application device and the fixed tape application device are combined.

[0030]

As described above, according to the small roll switching device of the present invention, the work of cutting the web extending into the small roll wound on the winding section and winding the end of the web on the surface of the small roll. It is possible to automatically perform small roll switching work such as taking out and fixing with anti-raveling tape, discharging small rolls, supplying new paper core, fixing web end to new paper core, etc. ,
The work load on the operator can be significantly reduced, the stop time of the slitter device can be extremely shortened, and the operation rate of the slitter device can be improved. In addition, since the winding section forming the small volume is configured to move, it is possible to easily discharge the small volume (product) automatically, and it is also possible to easily cope with the physical distribution after the small volume. Further, due to the configuration, during winding of the web, the formed small roll moves horizontally with respect to the touch roll, so that the touch state (angle, position) can be always kept constant, and good winding can be performed. is there.

[Brief description of the drawings]

FIG. 1 is a schematic side view showing a slitter device provided with a small-volume rewinding device according to an embodiment of the present invention, in a state where the small-volume rewinding is being performed;

FIG. 2 is a schematic side view showing the slitter device shown in FIG. 1 during a winding operation;

FIG. 3 shows a winding section of the slitter shown in FIG.
Schematic front view seen in direction A

FIG. 4 shows a main body of the slitter shown in FIG.
Schematic front view seen in direction B

FIG. 5 is a schematic side view showing a touch roll and its periphery in the device shown in FIG. 1;

FIG. 6 is a schematic front view showing a curl prevention device used in the device shown in FIG. 1 in a standby state;

FIG. 7 is a schematic front view showing the curl prevention device of FIG. 6 in an operating state;

8 (a) and 8 (b) are schematic side views showing the operation of the slitter shown in FIG.

FIGS. 9A and 9B are schematic side views showing the operation of the slitter shown in FIG. 1;

10A and 10B are schematic side views showing the operation of the slitter shown in FIG. 1;

FIGS. 11A and 11B are schematic side views showing the operation of the slitter shown in FIG. 1;

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 web 2 small winding 5 winding section 8 movable frame 9 winding shaft 11 main body section 14 touch roll 15 guide roller 16 base 17 guide rail 20 winding section moving device 22 winding section moving servomotor 25 paper tube feeding device 26 Guide Means 27 Paper Tube Feeder 28 Pusher 29 Paper Tube Feeder Drive 35 Paper Tube Stopper 37 Web Cutting Device 38 Web Cutter 39 Web Cutter Traveling Cylinder 41 Web Pressing Device 42 Web Pressing 50 Unraveling Prevention Tape Pasting Device 52 Fixing Tape Pasting device 56 Supporting stand 57 Y-axis moving table 58 X-axis moving table 61 Anti-curl device 62 Elevating plate 63 Web holding chain 64 Suction plate

 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Yuriko Nagaoka 1-1-1, Ichigaya-Kagacho, Shinjuku-ku, Tokyo Inside Dai Nippon Printing Co., Ltd. (72) Inventor Takefumi Murase 1-chome, Ichigaya-cho, Shinjuku-ku, Tokyo No. 1 Inside Dai Nippon Printing Co., Ltd. (72) Masayuki Murata Inventor 1-1-1, Ichigaya Kagacho, Shinjuku-ku, Tokyo (72) Inside Dainippon Printing Co., Ltd. No. 1-1, Dai Nippon Printing Co., Ltd. (72) Inventor Hiroyuki Goda 1-1-1, Ichigaya Kagacho, Shinjuku-ku, Tokyo F-term in Dai Nippon Printing Co., Ltd. 3F064 AA01 CC04 DA01

Claims (5)

[Claims] 1. A winding unit having a winding shaft for holding a paper tube and winding the web slit into the paper tube to form a small winding, a slit position of the web, and the winding unit. And a main unit having a touch roll capable of contacting the small winding held by the winding unit at substantially the same height, and a small winding holding the winding unit being the main body. And a take-up part moving device for moving the touch roll to a position distant from the touch roll, and a new paper tube when the small roll is moving to a position distant from the touch roll. A paper tube supply device that supplies the paper tube to a position where it comes into contact with the touch roll and can be chucked by the take-up shaft of the take-up section, and a paper tube supplied so as to come into contact with the touch roll and the small winding; Web cutting device for cutting web extending to An unraveling tape applying device that applies an unraveling tape to fix the end of the web wound on the surface of the small volume to the surface of the small volume, and after cutting the web,
An automatic rewinding device in a slitter device, comprising: a fixing tape attaching device that attaches a fixing tape so as to fix an end portion of the web on the paper tube side that is in contact with the touch roll to the paper tube. 2. The paper tube feeding device puts and pushes a paper tube from a side surface portion of the main body to a position below the touch roll, so that the paper tube is parallel to an axis of the touch roll. A guide means provided so as to be able to be fed to a predetermined position in the width direction, a paper tube supply table provided adjacent to the guide means and capable of holding a paper tube mounted thereon; A pusher for feeding the paper tube to the paper tube supply table, a paper for moving the paper tube supply table to a standby position for receiving the paper tube from the guide means, and an operating position for bringing the held paper tube into contact with the touch roll. 2. The automatic rewinding device according to claim 1, further comprising a tube feeder driving device. 3. The automatic rewinding apparatus according to claim 1, wherein a paper tube stopper for stopping the fed paper tube at a predetermined position is provided at one end of the guide means. . 4. The method according to claim 1, further comprising: rotating the small roll held by the winding shaft of the winding section to wind the cut web end onto the surface of the small roll; The automatic rewinding device according to any one of claims 1 to 3, further comprising a curl preventing device for preventing curling. 5. The slitter according to claim 1, further comprising a web pressing device for pressing a web against a surface of the paper tube supplied so as to contact the touch roll. Automatic rewinding device in the device.