JPH05132007A - Packing material sealing device for automatic tablet packing machine - Google Patents

Abstract

PURPOSE:To improve power saving efficiency by decreasing heater volume of a heating heater to heat a heater block. CONSTITUTION:A laterally sealing block part 311 to seal an opening side corresponding part of a packing material 101 and a vertically sealing block part 312 to seal a width direction side corresponding part of the packing material 101 in a separate bag which can be divided separably are formed of a high heat-conductive metal integrally in T-shape. The laterally sealing block part 311 is mounted as a mounting part of a heater block 310 on a heater base 340, which is made of a low heat-conductive metal, with a space (a) interposed, and a heating heater 316 is provided within the lateral sealing block part 311.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a packaging material sealing device for an automatic tablet packaging machine, and more particularly to a heater block which can be efficiently heated by a single heating heater to reduce the heater capacity. The vertical and horizontal seals of the (medicine package sheet) can be reliably performed.

[0002]

2. Description of the Related Art Conventionally, there is an automatic tablet packing machine of this type having a structure as disclosed in, for example, Japanese Patent Application Laid-Open No. 3-69406.

Such a conventional automatic tablet packing machine, in particular,
With the packaging material sealing device for the medicine packing sheet after the tablets are loaded, the tablets supplied from the tablet supply mechanism inside the tablet packing machine main body are intermittently fed in the vertical direction, and the open portion of the continuous folded two medicine packing sheets. And heat-welding the packaging material in the horizontal direction corresponding to the open side and the vertical direction corresponding to the width side thereof by the heat sealing means including the heater block and the heater block receiving member. It is designed to be sealed by.

The heater block constituting the heat-sealing means comprises a first lateral seal block portion for sealing the opening portion side portion of the medicine package sheet and a width direction side portion of the medicine package sheet in a bag shape. It is integrally formed in a T-shape with a second vertical seal block portion that separably seals to seal the medicine package sheet in a T-shape, and is attached in close contact with the heater base. ..

[0005]

However, in the above-mentioned conventional structure, since the heater block is mounted in close contact with the heater base, the heat of the heater block is also diffused to the heater base side. The heating efficiency of the seal block portion attached to the heater base side is poor, and the T-shaped vertical and horizontal seal block portions cannot be uniformly heated by one heater. It is necessary to insert and arrange two in both the seal block part and the second vertical seal block part, which causes a problem that the heater capacity becomes large and the power saving efficiency is poor.

[0006]

SUMMARY OF THE INVENTION It is an object of the present invention to provide a packaging material sealing device for an automatic tablet packaging machine in which the heater capacity of a heater for heating a heater block can be reduced to improve power saving efficiency. is there.

[0007]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention provides a tablet which is supplied from a tablet supply mechanism in a tablet packing machine main body and is folded in two by intermittently feeding it vertically. It is thrown into the open portion of the continuous packaging material, and the horizontal direction corresponding to the open portion side of this packaging material and the vertical direction corresponding to the width direction side thereof are formed by the heat sealing means including the heater block and the heater block receiving member. In an automatic tablet packing machine that is sandwiched, welded and hermetically sealed, the heater block includes a horizontal seal block portion that seals an opening portion side equivalent portion of the packaging material and a width direction side equivalent portion of the packaging material in a bag shape. The vertical seal block part that is separably sealed into a
A heater base made of a metal having a poor thermal conductivity is attached to the lateral seal block portion with a gap, and a heater is provided in the lateral seal block portion.

[0008]

That is, according to the present invention, the first lateral seal block portion that seals the portion corresponding to the open portion side of the packaging material and the second transverse seal block that seals the portion corresponding to the width direction side of the packaging material in a divided bag shape are separable. The vertical seal block part is integrally formed of a metal having good thermal conductivity in a T-shape, and the first horizontal seal block part is used as a heater block mounting part and is made of a metal having poor thermal conductivity. Since the heater is installed on the base with a gap and the heater is provided in the first horizontal seal block portion, the heat of the first horizontal seal block portion is thermally conducted to the heater base side and is unlikely to escape. As a result, the heat of the first horizontal seal block portion is thermally diffused to the second vertical seal block portion side, and the heating temperature of the second vertical seal block portion and the heating temperature of the first horizontal seal block portion are separated from each other. Almost uniform temperature It is possible to lifting, uniform heating is efficiently performed in the heater block of a single heater.

Further, since the gap is provided between the mounting portion of the heater block and the heater base, the heater capacity can be reduced and the power saving efficiency can be improved.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described in detail below with reference to the drawings. FIG. 2 is an external view of an automatic tablet packing machine equipped with a packing material sealing device according to the present invention. Reference numeral 1 is a tablet packing machine body.

As shown in FIG. 3, inside the tablet packing machine main body 1, a tablet supply mechanism section 10 to be described later is provided in the upper part, and tablets which are selectively quantitatively supplied from the tablet supply mechanism section 10 are provided in the lower part. An automatic packaging mechanism unit 60, which will be described later and is automatically packaged and discharged, is arranged.

At the lower front side of the tablet packing machine body 1 which is the front side F, an opening 2 serving as a medicine package sheet exchange port and an inspection / maintenance work port is provided.
The door body 3 is provided in the opening 2 so as to be openable and closable.

The door main body 3 is slidable in the vertical direction by being guided and engaged with guide rails 4 and 4 provided on both left and right sides inside the main body 1 of the tablet packing machine, and a central portion of its upper end is The tablet packing machine main body 1 is suspended and supported by a pair of left and right constant load suspension support mechanisms 6 mounted on a fixed frame 5 inside the main body 1.

The pair of left and right constant load suspension support mechanisms 6, 6 are
The door main body 3 is composed of a band-wound spring having the same load as that of the door main body 3, and the balance thereof allows the door main body 3 to be freely stopped at an arbitrary door opening position.

Reference numerals 7 and 7 in the drawing denote a pair of left and right magnets mounted on the fixed frame 5 with the constant load suspension support mechanisms 6 and 6 interposed therebetween. The magnet catch plates 8 and 8 provided at the upper end of the door body 3 correspond to these magnet catch plates 8 and 8, respectively.
As shown in FIG. 4, the magnets 7 and 7 are attracted to the magnets 7 and 7 at the uppermost door open position of the door body 3 so that the door body 3 can be stably and reliably held and fixed.

That is, the tablet supply mechanism section 10 has a cylindrical casing 11 having a large number of accommodating portions which are in the shape of a plane rectangle and are partitioned in a plane lattice shape, and the casing 11.
Tablet storage supply bodies 20 that are inserted into the respective storage sections inside and arranged in a horizontal plane, and tablets that are disposed under the casing 11 and that are selectively dropped and supplied from the tablet storage supply bodies 20. A hopper unit 40 described later that receives the
It is composed of a pair of left and right belt conveyors 50, 50 as a tablet conveying means for receiving tablets falling from the hopper section 40, and the belt conveyors 50, 50 selectively drop and supply from the tablet storage supply body 20. The tablets can be collected in the central part of the tablet packing machine body 1 in the left-right direction.

On the other hand, the automatic packaging mechanism unit 60 includes a tablet loading mechanism unit 70 disposed in the lower center between the pair of left and right belt conveyors 50, 50, and the tablet loading mechanism unit 70.
The tablets P charged in 1 are collectively put into the folded two-folded medicine package sheet 101 continuously fed from the medicine package sheet feeding mechanism section 200 in which the medicine package sheet roll 100 is loaded, and the medicine package sheet 101 A heat-sealing mechanism unit 300 for heat-sealing and sealing in a bag shape, and a sheet cutting mechanism unit 400 for cutting the medicine package sheet 101 heat-sealed as a hermetically sealed package by the heat-sealing mechanism unit 300.
And a discharge port 9 that opens the package cut by the sheet cutting mechanism 400 on the upper side surface of the tablet packing machine body 1.
And a package discharge guide transport mechanism unit 500 that guides and transports the package.

Casing 11 of the tablet supply mechanism 10
Tablet storage supply body 20 inserted and arranged in each storage section in the
As shown in FIG. 5, various tablets have upper end portions 21a.
A cylindrical tablet case 21 made of a transparent synthetic resin body is housed from the side, and a lower end portion 21b of the tablet case 21 is connected to a driving portion 23 via a joint member 22.

Inside the tablet case 21, there is provided an aligning board 24 connected to a swing arm 23a that swings by a motor (not shown) of the drive section 23. By the swinging motion of the swinging arm 23a, the tablets stored in the tablet case 21 are aligned, and the tablets are separated and dropped one by one toward the passage 24a therebelow.

Reference numeral 25 in the drawing denotes the joint member 22.
As shown in FIG. 6, a tablet detecting device installed on a driving unit 23 to which the tablet case 21 and the aligning board 24 are connected by means of a passage 24 for the tablets falling from the aligning board 24.
It is composed of a light-emitting portion 26 formed of a light-emitting element that faces a in the horizontal direction with a interposed therebetween, and a light-receiving portion 27 formed of a phototransistor that receives light from the light-emitting portion 26.

That is, the tablet detection device 25 counts tablets by passing the tablets separated one by one on the alignment board 24 between the light emitting section 26 and the light receiving section 27. The light emitting surface 26a of the light emitting portion 26 and the light receiving surface 27a of the light receiving portion 27 are
The light diffusing plates 28 each having a corrugated inner surface are provided so that the light projected from the light emitting unit 26 and the light incident on the light receiving unit 27 are made uniform without deviation.

Further, reference numeral 29 in the drawing denotes a drop passage 24 which is perpendicular to the light projection direction between the light emitting portion 26 and the light receiving portion 27.
a light reflection plate provided on the outer side surface of a.
It is composed of a metal plate or a white plate polished to a mirror surface, and reflects the light diffused and projected from the light emitting unit 26 through the light diffusing plate 28 so as to reach the light receiving unit 27 side. The detection device 25 is used as the tablet storage supply body 2.
0 when installed on the drive unit 23, the joint member 22
The tablet is reliably detected in a region having low sensitivity such as a dead zone d formed on the outer surface side surrounded by.

Further, reference numeral 30 in the drawing denotes a cap made of a transparent synthetic resin body which is detachably capped on the upper end portion 21a of the tablet case 21.

As shown in FIGS. 5 and 7, a lid 32 made of a transparent synthetic resin body hinged by a pin 31 is provided on the upper surface of the cap 30 so as to be openable and closable. Is formed so as to be inclined in a vertical cross section “F” shape, and the upper surface portion 33 thereof has storage portions 34 and 35 for storing the sample medicine A for tablets and the desiccant B and a drug name card C. A display section 36 is provided on which the number card D of the doublet case 21 and the like can be arranged.

On the other hand, the lid 32 having the V-shaped vertical cross section.
Inside the rising end surface 37 of, the insertion groove 38 in which, for example, the agent name card C, the number card D of the doublet case 21 and the like can be arranged is formed, and the agent name card C inserted into the insertion groove 38 and The number card D or the like of the doublet case 21 can be seen through from the outside of the rising end face 37. The rising end face 37 is formed into an arcuate concave surface so that a finger or the like can be easily caught, and serves as an opening / closing handle. There is.

Further, the cap 30 capped on the upper end portion 21a of each of the doublet cases 21 is shown in FIG.
As shown in FIG. 5, the tablet packing machine main body 1 is arranged in a saw-tooth shape along the front-rear direction, so that each tablet case 21 from the front side F and the rear side R of the tablet packing machine main body 1 is front and rear sides. It is possible to easily visually confirm the drug name of the tablets stored inside.

As shown in FIGS. 9 to 11, the hopper portion 40 has left and right side panels 41, 41 whose upper portions are attached to the left and right lower end portions 11a, 11a of the casing 11 of the tablet feeding mechanism portion 10, respectively. These both side panels 4
The front and rear inclined panels 42, 42 arranged between the first and the second front panel 41 are separated from each other.
Is formed by a pair of left and right separation panels 43, 43, and a V-shaped locking portion 44 is formed at a lower end portion 43 a of the separation panel 43.
However, two wide and narrow darma holes 45, 45 are formed on the left and right of the upper end portion 43b.

Further, a conveyor box 46 having a U-shaped cross section for accommodating the belt conveyors 50, 50 is separately formed in the lower part of the hopper section 40. The conveyor box 45 is a support frame for the tablet packing machine body 1. It is designed to be fixed on (not shown).

That is, in order to assemble the hopper section 40, first, the left and right side panels 41, 41 are attached to the casing 1.
Left and right lower end portions 11a, 11a of 1 and the conveyor box 4
The upper and lower upper end portions 46a, 46a of 6 are fixed by screws (not shown) and assembled.

Next, when assembling the front and rear inclined panels 42, 42, first, the engaging portion 44 provided at the lower end portion 43a of each separation panel 43 is attached to the conveyor box 4
After engaging the front and rear upper end portions 46b, 46b from the outside from the outside, the wide and narrow duller holes 4 on the left and right of the upper end portion 43b.
The screws 5 and 45 are aligned with the screw holes 12 and 12 provided in the front and rear lower end portions 11b and 11b of the casing 11 so as to correspond to the Dharma holes 45 and 45.

In this state, the screws 47, 47 are screwed from the outside, and the screw shafts 47a, 47 of these screws 47, 47 are screwed.
The separation panel 43 is temporarily fixed by sliding so that a is positioned in the narrow portions 45a, 45a of the dulmer holes 45, 45, and then the screws 47, 47 are finally tightened to thereby both front and rear sides. The inclined panels 42, 42 are assembled to each other, whereby the front and rear inclined panels 4 are attached.
The number of screws used for assembling Nos. 2 and 42 is only 4 in total, that is, 4 in each of the front and rear, and the number of screws is significantly smaller than that of the previous one.

On the other hand, in order to remove the separation panel 43 of each of the front and rear inclined panels 42, 42, as shown in FIG.
The screws 47 are loosened to be temporarily tightened, and in this state, the separation panel 43 is slid so that the head portion 47b of the screw 47 is aligned with the wide portion 45b of the Dharma hole 45 formed in the separation panel 43. The panel 43 can be easily removed.

Further, reference numeral 51 in the drawing denotes a partition member having an upper end fixed to the central portion of the hopper portion 40 and having a lower end hanging like a curtain at the central portion in the width direction on the belt conveyor 50. 51 is made of, for example, a net-like thin film material that is flexible, does not generate repulsion and does not generate static electricity, and is well ventilated.

That is, the partition member 51 is arranged along the conveying direction of the belt conveyor 50,
As shown in FIG. 10, one of the front and rear inclined panels 42, 42 of the hopper 40 from the tablet storage / supplying body 20 inserted and arranged in the tablet supply mechanism 10, that is, with respect to the conveyance direction of the belt conveyor 50. The tablet P dropped and injected from the upper side surface in the perpendicular direction is collided with the other inclined panel 42.
As a tablet bounce prevention device, the tablet P can be dropped on the lower belt conveyor 50 as it is by preventing it from rebounding to the automatic packaging mechanism unit 60. It has the function of.

13 to 15 show the packaging material feeding mechanism 2
00, and 210 in the figure is a loading unit for the medicine package sheet roll 100.

This medicine package sheet roll loading section 210 is a freely rotatable turntable 211 which is rotatably supported in the vertical direction.
And a loading shaft 212 that horizontally protrudes from one surface of the center of rotation of the turntable 211, and an elastic holding body 214 made of a leaf spring material that is attached to a tip portion 212a of the loading shaft 212 via a screw 213. And a plurality of elastic pieces 215 are integrally formed on the elastic holding body 214.
The plurality of elastic pieces 215 have a shape such that they can be bent toward the rotary disk 211 side and spread and spread in all directions.

That is, the medicine package sheet roll loading unit 2
In order to form the medicine package sheet roll 100 into 10, the loading shaft 21 of the rotary disk 211 is interposed with the elastic holding body 214 interposed therebetween.
This is performed by press-fitting the core tube 100a of the medicine package sheet roll 100 into 2 and loading and loading of the medicine package sheet roll 100 without screwing with a holding plate as in the past. It can be removed quickly and easily.

The folded medicine package sheet 101 from the medicine package sheet roll 100 loaded in the packaging material feeding mechanism unit 200 is guided by the guide roller 220 to the tablet loading mechanism unit of the automatic tablet packaging mechanism unit 60. It is fed from the upper part to the lower part in the vertical direction to the tablet loading position in 70, is sandwiched between roller pairs 91, 91 of the feeding mechanism part 90 described later, and is intermittently fed by the driving of the feeding mechanism part 90. ing.

Further, reference numeral 230 in the drawing denotes a brake mechanism arranged on the back side of the rotary table 211.
Reference numeral 30 denotes a resistor 2 which can be brought into contact with and separated from the back surface of the rotary disk 211.
31 and a solenoid 233 for driving the shaft 232 of the resistor 231.

On the other hand, reference numeral 240 in the drawing is a tension lever,
The tension lever 240 is biased by a biasing force of a spring 241 so as to be rotatable in a direction in which the medicine package sheet 101 fed from the medicine package sheet roll 100 is maintained in a tensioned state.

A rotary cam 242 is provided on the shaft support portion of the tension lever 240.
As shown in FIG. 16, first and second limit switches 243 and 244 are provided on the outer circumference of 42.

These first and second limit switches 2
43 and 244 are configured to control the brake mechanism 230 and control the rotation of the turntable 211 so that the feeding and pulling of the medicine package sheet 101 delivered from the medicine package sheet roll 100 are synchronized. is there.

That is, as shown in FIG. 16, the tension lever 240 normally maintains its lowered state by its own weight and the urging force of the spring 241, and the rotation of the turntable 211 is
It is restrained by the action of the brake mechanism 230, and thereby the medicine package sheet 101 is maintained in a tension state.

In this state, when the medicine package sheet 101 is pulled out by the drive of the delivery mechanism section (not shown) provided in the automatic tablet packaging mechanism section 60,
As shown in FIG. 11, the tension lever 240 is rotated upward against the biasing force of the spring 241, and the medicine package sheet 101
Maintain the tension of.

As shown in FIG. 18, the tension lever 2
When 40 is moved up to a certain position, the rotation of the turntable 211 is released, and the tension lever 240 is lowered by its own weight and the urging force of the spring 241, and at the same time, the turntable 211 is rotated so that the medicine package sheet 101 is fed out. It has become.

Further, the above-mentioned tablet loading mechanism 70 has a structure as shown in FIGS. 19 to 21.

That is, as shown in FIG.
Is a temporary tablet arranged below the belt conveyors 50, 50 for horizontally conveying the tablets P dropped and supplied from the tablet supply mechanism section 10 through the hopper section 40 to the central part in the left-right direction of the tablet packaging machine body 1. A conveyor belt as a stocking means.

The conveyor belt 71 is arranged in the front-back direction of the tablet packaging machine main body 1 which is a direction perpendicular to the conveyor direction of the belt conveyors 50, 50.
The tablet feeding mechanism section 10 is adapted to receive the tablets P that are horizontally conveyed by the 0 and 50 and input.
It is possible to drive control toward the tablet loading direction side after a predetermined timer time has elapsed after the tablet dropping operation by
As a result, the tablets P on the conveyor belt 71 are temporarily stocked.

A shutter means 72 is arranged on the tablet loading direction side of the conveyor belt 71. The shutter means 72 is provided with a pair of stoppers 73, 73 which rotate the tablet loading opening 71a so that it can be opened. The pair of stoppers 73, 73 can open the door in synchronization with the driving operation of the conveyor belt 71 via the transmission members 74, 74.

At the tip of each of the pair of stoppers 73, 73, a continuous two-folded medicine package sheet 101 is vertically fed to the tablet loading port 71a by the above-mentioned packaging material feeding means 200. Expanding lever pair 75, 7 as a packaging material opening part expanding means capable of expanding the part 101a
5, the tip end portions 76, 76 of the expansion lever pairs 75, 75 are positioned so as to be insertable into the opening portion 101a of the medicine package sheet 101, as shown in FIG. The stopper pair 73, 73
As shown in FIG. 21, the opening portion 101a of the medicine package sheet 101 can be opened in association with the door opening operation.

In this case, the expansion lever pair 75, 75
In consideration of the insertability of the medicine package sheet 101 into the opening portion 101a and the openability to the back of the sheet, the parallel state is maintained in both the closed and opened action characters.

Further, in the figure, 80 is the expansion lever pair 7
The tablet guide member is formed in an inverted triangular shape so as to project at a lower position of 5, 75, and a tip 81 of the tablet guide member is bent downward at an angle of about 45 degrees, and the medicine pack sheet 101 is folded in two. In the opening portion 101a of the
When the stopper pairs 73, 73 are opened, the tablets P are collectively inserted into the tablet insertion port 71a side when the stopper pairs 73, 73 are opened. It is supposed to be introduced inside.

Incidentally, as shown in FIG.
2 is a partition member that is hung in a curtain shape along the transport direction on the transport belt 71, and is a hopper unit 4 shown in FIG.
Similar to the partition member 51 provided in the central portion of 0, it is made of a net-like thin film material that is flexible, does not generate repulsion and static electricity, and is well ventilated. Each of the belt conveyors 50, 50
By arranging them so as to oppose the tablet loading end in the transport direction, the tablets P loaded from the belt conveyors 50, 50 collide with each other to prevent rebounding toward the other belt conveyor 50 side, and the tablet P can be quickly transferred. Is provided with a function as a device for preventing the tablets from bouncing on the conveyor belt 71.

On the other hand, a medicine package sheet feeding mechanism portion 90 is arranged under the tablet feeding mechanism portion 70, and the sheet feeding mechanism portion 90 is provided with the packaging material feeding mechanism portion 2.
The folded medicine package sheet 101 sent from the medicine package sheet roll 100 loaded in 00 to the tablet loading position in the vertical direction from the upper side to the lower side via the guide roller 220.
It is held between the roller pair 91, 91, and this roller pair 91, 9
By the drive control of No. 1, the packaging material feeding mechanism portion 200 is synchronized with the packaging material feeding mechanism portion 200 to intermittently feed it.

Further, a heat seal mechanism unit 300 as a packaging material sealing means is arranged between the tablet loading mechanism unit 70 and the medicine package sheet feeding mechanism unit 90. The heat seal mechanism unit 300 is It is composed of a heater block 310 and a heater block receiving member 320 which are opposed to each other, and the medicine package sheet 1 after the tablet is inserted between the heater block 310 and the heater block receiving member 320.
By sandwiching 01, the medicine package sheet 101 is hermetically sealed in the sachet-shaped packaging body 120.

The heater block 310 of the heat seal mechanism section 300 is made of a metal having good thermal conductivity, such as brass, copper, aluminum, etc., as shown in FIGS. 1, 22 and 23. Folded medicine package sheet 101
Side seal block portion 311 which overlaps and seals in the vertical direction on the open portion 101a side, and the width direction of the medicine package sheet 101 which projects in a direction perpendicular to the horizontal seal block portion 311 is sealed in a sachet. The vertical seal block portion 312 that is separated into a plurality of pieces is integrally formed in a T-shape.

The seal blocks 311 and 312 of the heater block 310 are provided with welding portions 313 and 314 formed of strip-shaped projections on the sealing surfaces thereof, while the horizontal seal block portion 311 is formed. Has a heater insertion hole 315 formed in the longitudinal direction along the vertical direction.
6 is inserted and arranged.

In the figure, reference numerals 317 and 317 denote positioning holes formed on the back surface of the seal block portion 311 which is the mounting surface for the heater base 340.
Reference numeral 317 engages with positioning protrusions 341, 341 provided in correspondence with the heater base 340, and in the state of being tightened and fixed by the screw 350, the lateral seal block portion 3 is provided.
11 and the heater base 340, a gap a is formed between the heater base 340 and the heater base 340.
1 for contacting the heater base 340 with the positioning hole 317,
317 and the positioning protrusions 341 and 341 are engaged with each other, and the screw 350 is screwed together.

That is, in the heat seal mechanism portion 300 of the present invention, the mounting surface of the heater block 310 to the heater base 340 is the back surface of the horizontal seal block portion 311 in which the heater 316 is inserted and arranged, and this mounting surface And a heater base 340 to form a gap a,
Further, by using iron, stainless steel or the like having poor heat conductivity as the material of the heater base 340, the heat conduction area between the mounting surface of the horizontal seal block portion 311 and the heater base 340 is minimized. Book heater 316
It is possible to reduce the heater capacity of.

Further, by inserting and placing the heater 316 only in the horizontal seal block portion 311, the heat of the horizontal seal block portion 311 which is intensively heated is diffused to the vertical seal block portion 312 side, whereby the heat is diffused. The temperature of the vertical seal block portion 312 can be maintained at a uniform temperature substantially the same as the heating temperature of the horizontal seal block portion 311.
1 and 2 arranged in the vertical heater block portion 312, respectively
This makes it possible to use only one heating heater 316.

By the way, FIG. 24 shows a sealed state of the medicine package sheet 101 by the heat-sealing mechanism section 300. The medicine package sheet 101 after the tablets are inserted between the heater block 310 and the heater block receiving member 320. 2 is attached to form a seal S as indicated by the diagonal lines, and is sealed in the sachet-shaped package 120, as shown in FIG.
5 is an open part 101 of the medicine package sheet 101 in a semi-sealed state
It shows a tablet loading state in the expanded state of a.

The bag-like package 120 sealed with the heat-sealing mechanism section 300 in this way is appropriately cut by the sheet cutting mechanism section 400 arranged on the downstream side through the feeding mechanism section 90. It

As shown in FIGS. 26 and 27, this sheet cutting apparatus 400 includes a fixed box 411, a rotary disc 413 horizontally rotatably arranged on an upper fixed plate 412 of the fixed box 411, and a rotary disc 413. A cutter arm 415 whose tip 415a is pivotally supported on the circumference of the disc 413 via a shaft 414; and a strip-shaped cutter body 416 attached to the tip 415a of the cutter arm 415,
A shaft support member 417 that pivotally supports the rear end portion 415b of the cutter arm 415 to which the cutter body 416 is attached.
And a guide groove 418 formed on the fixed plate 412 so that the shaft support member 417 is movably engaged, and a drive motor 419 housed in the fixed box 411 and rotationally driving the rotary disc 413. It consists of and.

This drive motor 419 is mounted on the mounting arm 4
20 and a spindle 421 provided on its drive shaft is attached to the outer circumference of the rotary disc 413 by a spring 422.
The rotational force is transmitted to the rotary disc 413 by bringing them into contact with each other while being pressed by the urging force.

The tip portion 4 of the cutter body 416 is
16a is arranged so as to correspond to one end side in the width direction Y of the package 120 that is tensioned in the feeding direction in the standby state, and as shown in FIG. 27, as the rotating disc 413 rotates during the cutting operation. The wrapping body 120 can be cut by oscillating so as to draw a planar elliptical locus Q from one end side to the other end side in the width direction Y of the wrapping body 120 as shown.

At this time, the cutter arm 415 pivotally supported by the rotation center point O of the rotary disc 413 and the pivot support member 417.
The fulcrum F of the rear end portion 415b is the width direction Y of the package 120.
A predetermined distance L with respect to a straight line ZZ in the direction X perpendicular to
Rear end 4 of the cutter arm 415 to which the cutter body 416 is attached.
The shaft support member 417 serving as a fulcrum F for supporting 15b is a straight line Z- in the direction X perpendicular to the width direction Y of the package 120.
It is movable along a guide groove 418 provided on Z within a predetermined range W.

Thus, in the above-described sheet cutting apparatus, the rotation center point O of the rotary disc 413 and the rotation fulcrum F of the cutter body 16 are linear Z- in the direction X perpendicular to the width direction Y of the package 120. An eccentric position with respect to Z, and a shaft support member 417 serving as a fulcrum F for rotatably supporting the rear end portion 415b of the cutter arm 415 to which the cutter body 416 is attached,
As shown in FIG. 28, the cutter body can be freely moved along a guide groove 418 provided on a straight line ZZ in the direction X perpendicular to the width direction Y of the package 120, so that the package body 120 can follow and move. The tip portion 416a of 416 is at the standby position B.
Swing angles θ ₁ and θ ₂ in the cutting operation in the range from to the initial cutting position C where the package 120 comes into contact with one end side in the width direction Y of the package 120.
Are substantially equal to each other, and the change can be reduced, and the movement of the package 120 in the direction X at right angles to the width direction Y can be increased.

As a result, the pressing force of the tip end portion 416a of the cutter body 416 in the cutting direction against the packaging body 120 during the initial cutting operation is weakened, and the packaging body 120 is prevented from being wrinkled or caught and the cutting operation is smoothly performed. Done.

[0069]

As is apparent from the above description, according to the present invention, the lateral seal block portion for sealing the portion corresponding to the open portion side of the packaging material and the portion corresponding to the width direction side of the packaging material can be separated into a divided bag shape. A vertical seal block part for sealing is integrally formed in a T-shaped shape with a metal having good heat conductivity, and the horizontal seal block part is used as a heater block mounting part for a heater made of a metal having poor heat conductivity. Since the heater is installed in the horizontal seal block part with a gap on the base, the heat of the horizontal seal block part does not easily conduct to the heater base side and escape easily.
The heat of the horizontal seal block is efficiently diffused to the vertical seal block side, and the heating temperature of the vertical seal block and the heating temperature of the horizontal seal block can be maintained at substantially the same uniform temperature. The heater block can be uniformly heated with the book heater, and moreover,
Since the gap is provided between the attachment portion of the heater block and the heater base, the heater capacity can be reduced and the power saving efficiency can be improved.

[Brief description of drawings]

FIG. 1 is a perspective view of essential parts showing an embodiment of a packaging material sealing device in an automatic tablet packaging machine according to the present invention.

FIG. 2 is an external view of an automatic tablet packaging machine.

FIG. 3 is an explanatory diagram showing an internal configuration of an automatic tablet packaging machine.

FIG. 4 is a cross-sectional view of essential parts showing a state in which the door body is held at the uppermost opened position.

FIG. 5 is an exploded perspective view of a tablet case that is a tablet storage supply body inserted into the tablet supply mechanism.

FIG. 6 is an enlarged cross-sectional view of the tablet detection device installed in the automatic tablet packaging machine.

FIG. 7 is an enlarged cross-sectional view of an essential part showing a cap-covered state and an open / closed state of the lid body at the tip of the tablet case.

FIG. 8 is an explanatory diagram showing an arrangement state of lid bodies of caps capped on the tip portion of the tablet case.

FIG. 9 is a perspective view showing an assembled state of a hopper unit and a casing.

FIG. 10 is a cross-sectional view showing an assembled state of the hopper portion and the casing.

FIG. 11 is an explanatory diagram showing a screwed state of the hopper portion and the casing.

FIG. 12 is an explanatory view showing a detached state of a hopper section.

FIG. 13 is a cross-sectional view showing a packaging material loading state of the packaging material feeding device.

FIG. 14 is an explanatory view showing a packaging material feeding mechanism section.

FIG. 15 is an exploded perspective view showing a packaging material loading state in the packaging material feeding mechanism section.

FIG. 16 is an explanatory view showing a tension maintaining control state of the packaging material by the tension lever.

FIG. 17 is an explanatory view showing a tension maintaining control state of the packaging material by the tension lever.

FIG. 18 is an explanatory view showing a tension maintaining control state of the packaging material by the tension lever.

FIG. 19 is a perspective view of a main part of a tablet loading mechanism.

FIG. 20 is a schematic plan view showing a closed state of a stopper pair and a spread lever in the shutter means of the tablet loading mechanism.

FIG. 21 is a schematic plan view showing an open state of the stopper pair and the expansion lever in the shutter means of the tablet loading mechanism.

FIG. 22 is a vertical sectional view of a heater block.

FIG. 23 is a cross-sectional view of a heater block.

FIG. 24 is an explanatory view showing a heat-sealed state of the packaging material by the heater block.

FIG. 25 is a perspective view of essential parts showing an expanded state at the time of inserting a tablet from an open part of a packaging material in a heat-sealed state by a heater block.

FIG. 26 is a sectional view of the sheet cutting device.

FIG. 27 is a plan view of the sheet cutting device.

FIG. 28 is an explanatory view schematically showing a cut state of the package by the sheet cutting device.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Tablet packing machine main body, 10 ... Tablet supply mechanism part, 60 ... Automatic packing mechanism part, 70 ... Tablet insertion mechanism part, 90 ... Delivery mechanism part, 100 ... Medicine package Sheet roll, 101 ... Medicine package sheet, 101a ... Opening part, 120 ... Packaging body, 200 ... Packaging material feeding mechanism part, 300 ... Heat sealing mechanism part, 310 ... Heater block , 311 ... Horizontal seal block part, 312 ... Vertical seal block part, 316 ... Heater, 317, 317 ... Positioning hole, 340 ... Heater base, 341 ... Positioning protrusion , 350 ... screw, a ... gap, P ... tablet.

Claims (1)

[Claims] 1. A tablet supplied from a tablet supply mechanism in a tablet packaging machine main body is put into an open portion of a continuous two-folded packaging material which is intermittently fed in a vertical direction, and the packaging material is opened. In the automatic tablet packing machine, which is sandwiched by a heat seal means composed of a heater block and a heater block receiving member, and welded and sealed in a horizontal direction corresponding to the side and a vertical direction corresponding to the width direction thereof, wherein The heater block has good thermal conductivity between the horizontal seal block portion that seals the open portion of the packaging material and the vertical seal block portion that seals the widthwise equivalent portion of the packaging material in separable bags. And a heater base made of a metal having a poor thermal conductivity with a gap in the horizontal seal block, and a heating heater is provided in the horizontal seal block. A packaging material sealing device for an automatic tablet packaging machine, which is provided with a tab.