JPH05132006A - Tablet placing device for automatic tablet packing machine - Google Patents

Abstract

PURPOSE:To obtain a small-sized tablet placing device in which a design range of tablet volume and automatic packing cycle is enlarged and which can place tablets into a packing material smoothly. CONSTITUTION:A tablet P dropped and fed from a tablet feeding mechanism through a hopper part is transferred to a transfer means 50. The tablet P, thus transferred and placed by the transfer means 50, is received on a transfer belt 71 where the tablet is stocked temporarily. On the other hand, the transfer belt 71 is controlled to drive horizontally in a tablet placing direction after the tablet is dropped down by the tablet feeding mechanism. On the tablet placing direction side of the transfer belt 71, a shutter means 72 formed of a pair of stoppers 73 is provided which open synchronously with the driving of the transfer belt 71, and further an enlarging lever 75 is provided at each of the stoppers 73 for enlarging an opening part 101a of a packing material 101. A tablet guiding member 80 inserted into the opening part 101a of the packing material 101 is also provided at a lower part of the enlarging lever 75.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a tablet loading device for an automatic tablet packing machine, and more particularly to reducing the vertical dimension of the device body and loading tablets into a packaging material (medicine sheet). It is designed so that it can be performed smoothly.

[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 Utility Model Publication No. Sho 58-46962.

In such a conventional automatic tablet packing machine, a tablet supply mechanism section is provided in the upper part of the main body of the tablet packing machine, in which tablet storage supply bodies for storing various tablets are arranged in an array.
In addition, an automatic packaging mechanism section is arranged at the lower part thereof, and the tablets dropped and supplied from the tablet supply mechanism section are conveyed to the automatic packaging mechanism section side through a hopper section.

[0004]

However, in the above-mentioned conventional structure, the tablets dropped and supplied from the tablet supply mechanism are gathered in a jogo-shaped hopper, and a shutter is provided below the hopper so that the shutter can be opened and closed. And forming a temporary stock part, and by the opening operation of this shutter,
Since the tablets are naturally dropped vertically in the automatic packaging mechanism, the vertical dimension of the tablet packaging machine body is necessarily increased.

In addition, in such a vertical drop supply system of tablets in the vertical direction, it is necessary to sacrifice the tablet capacity of the tablet supply mechanism in order to downsize the tablet packaging machine body. When the tablets collide with each other, the tablets may crush,
In addition to being easily chipped, there is a problem that the tablet transport time is long and the degree of freedom in designing the automatic packaging cycle is small.

[0006]

It is an object of the present invention to provide an automatic tablet which is small in size, has a large degree of freedom in designing a tablet capacity and an automatic packaging cycle, and can be smoothly inserted into a packaging material. An object is to provide a tablet loading device for a packaging machine.

[0007]

In order to solve the above-mentioned problems, the present invention relates to a tablet which is dropped and supplied from a tablet supply mechanism section provided at an upper part in the main body of a tablet packaging machine through a hopper section. Means for conveying to the central portion in the left-right direction of the tablet packaging machine main body, and tablet loading means for collectively transporting and charging the tablets supplied from this transportation means to the tablet loading direction side in the front-back direction of the tablet packaging machine main body. And a packaging material feeding means which is arranged on the tablet feeding direction side of the tablet feeding means and which feeds a continuous packaging material folded in two in the vertical direction, and the opening of the folded packaging material fed from the packaging material feeding means. In an automatic tablet packaging machine in which a tablet is loaded into the tablet via the tablet loading means, the tablet loading means temporarily stocks the tablets supplied from the transporting means, and the tablets are supplied by the tablet supply mechanism section. A conveyor belt that is driven and controlled toward the tablet loading direction side after the downward operation, a pair of stoppers that are provided on the tablet loading direction side of the conveyor belt and that open the door in synchronization with the driving operation of the conveyor belt, and a pair of the stoppers. A pair of expansion levers each of which is provided with its front end inserted into the opening of the packaging material and expands the opening of the packaging material in conjunction with the door opening operation of the stopper, and the expansion levers. A tablet guide which is provided so as to project below the lower end of the tablet and is inserted into the open portion of the packaging material to receive tablets which are collectively put from the conveyor belt when the stopper is opened and which is introduced into the packaging material. And a member.

[0008]

That is, according to the present invention, the tablets that are dropped and supplied from the tablet supply mechanism section through the hopper section are horizontally conveyed by the conveying means, and the tablets horizontally conveyed by the conveying means and put in are temporarily transferred. It is received on the conveyor belt to be stocked and the conveyor belt is driven and controlled in the horizontal direction toward the tablet loading direction after the tablet dropping operation by the tablet supply mechanism section. The horizontal conveyance of the device makes it possible to reduce the vertical dimension of the device body.

Further, a pair of stoppers for opening the door in synchronization with the driving operation of the conveyor belt are provided on the tablet loading direction side of the conveyor belt, and an expansion lever is provided for each of the stoppers. Is inserted into the opening portion of the packaging material that is vertically fed from the packaging material feeding means, and the opening lever of the packaging material is expanded in conjunction with the door opening operation of the stopper to expand the opening portion of the packaging material. A tablet guide member is provided below the spread lever and the tablet guide member is inserted into the open part of the packaging material together with the spread lever, so that the tablet can be smoothly inserted into the packaging material. Moreover, since the tablet does not drop downward due to the tablet guide member, it is possible to prevent the tablet from being caught in the heat seal mechanism section arranged on the downstream side.

[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 packaging machine equipped with a tablet loading device according to the present invention. Is the main body of the tablet packing machine.

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, each tablet has various tips 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.

The above-mentioned tablet loading mechanism 70 is constructed as shown in FIGS. 1, 19 and 20.

That is, as shown in FIG. 1, reference numeral 71 in FIG. 1 indicates that the tablets P dropped and supplied from the tablet supply mechanism section 10 through the hopper section 40 are horizontally arranged at the center of the tablet packing machine body 1 in the left-right direction. It is a conveyor belt as a temporary tablet stocking means arranged below the conveyor belts 50, 50 to be conveyed.

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 ends 76, 76 of the expansion lever pairs 75, 75 are positioned so as to be insertable into the open portion 101a of the medicine package sheet 101, as shown in FIG. The stopper pair 73, 73
As shown in FIG. 20, the opening portion 101a of the medicine package sheet 101 can be expanded 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.
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 40 shown in FIG.
Similar to the partition member 51 provided in the central portion of the inside, for example, it is made of a mesh-like thin film material that is flexible, does not generate repulsion and static electricity, and is well ventilated. By arranging the belt conveyors 50, 50 so as to face the tablet loading ends in the transport direction, the tablets P fed from the belt conveyors 50, 50 collide with each other and bounce back to the other belt conveyor 50 side. It is provided with a function as a device for preventing the rebound of the tablets that prevents the tablets P from being quickly put 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 or aluminum, and is used in FIGS.
As shown in FIG. 7, a horizontal seal block portion 311 that seals the folded double-sided medicine package sheet 101 by overlapping in the vertical direction on the side of the open portion 101 a and projecting in a direction perpendicular to the horizontal seal block portion 311. Medicine pack sheet 10
1 and a vertical seal block portion 312 that seals in the width direction and separates into a bag shape, which are 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 horizontal seal block portion 311 which is a mounting surface for the heater base 340, and these positioning holes 317 are provided.
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 also shows the 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 tablets that are dropped and supplied from the tablet supply mechanism section through the hopper section are horizontally conveyed by the conveying means, and are horizontally conveyed by the conveying means. The packaging material is received on the transport belt that temporarily stocks it, and the transport belt is driven and controlled horizontally toward the tablet loading direction after the tablet dropping operation by the tablet feeding mechanism section. The vertical dimension of the device main body can be reduced by feeding the tablets in the vertical direction and horizontally transporting the tablets.

Further, a pair of stoppers for opening the door in synchronization with the driving operation of the conveyor belt are provided on the tablet feeding direction side of the conveyor belt, and each of the stoppers is provided with an expansion lever. Is inserted into the opening portion of the packaging material that is vertically fed from the packaging material feeding means, and the opening lever of the packaging material is expanded in conjunction with the door opening operation of the stopper to expand the opening portion of the packaging material. A tablet guide member is provided below the spread lever and the tablet guide member is inserted into the open portion of the packaging material together with the spread lever, so that the tablet can be smoothly inserted into the packaging material. Further, since the tablet does not drop downward due to the tablet guide member, it is possible to prevent the tablet from being caught in the heat-sealing mechanism section arranged on the downstream side.

[Brief description of drawings]

FIG. 1 is a perspective view of essential parts showing an embodiment of a tablet loading 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 of a packaging material feeding device showing an embodiment of the packaging material loading state.

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

FIG. 21 is a perspective view of a heater block forming a packaging material sealing unit.

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, 40 ... Hopper part, 50, 50 ... Belt conveyor, 60 ... Automatic packing mechanism part, 70 ... Tablet loading mechanism Part, 71 ... Conveyor belt, 72 ... Shutter means, 73, 73 ... Stopper pair, 75, 75 ... Spreading lever pair, 76, 76 ... Tip part, 80 ... Tablet Guide member, 90 ... Delivery mechanism section, 100 ... Medicine package sheet roll, 101 ... Medicine package sheet, 101a ... Opening section, 120 ... Package, 200 ... Packaging material feeding mechanism Part, 300 ... Heat seal mechanism part, P ... Tablet.

Claims (1)

[Claims] 1. A means for conveying a tablet dropped and supplied from a tablet supply mechanism provided at an upper part in a tablet packaging machine main body through a hopper to a central portion in the left-right direction of the tablet packaging machine main body, A tablet feeding means for collectively feeding and feeding the tablets fed from the conveying means to the tablet feeding direction side in the front-back direction of the tablet packaging machine body, and arranged in the tablet feeding direction side of the tablet feeding means and folded in two. A packaging material feeding means for feeding a continuous packaging material in a vertical direction, and an automatic tablet obtained by inserting a tablet into the open portion of the folded packaging material fed from the packaging material feeding means through the tablet feeding means. In the packaging machine, the tablet feeding means temporarily stocks the tablets fed from the feeding means, and a feeding belt driven and controlled toward the tablet feeding direction side after the tablet dropping operation by the tablet feeding mechanism section, , A pair of stoppers provided on the side of the conveyor belt in the tablet loading direction for opening the door in synchronization with the driving operation of the conveyor belt, and each of the stoppers provided with its leading end inserted into the opening of the packaging material And a pair of expansion levers for expanding the opening portion of the packaging material in conjunction with the opening operation of the stopper, and a tip portion of the expansion lever projecting below the expansion lever to open the packaging material. Automatic tablet packing machine, which is configured to include a tablet guiding member that is inserted into a portion and receives tablets that are collectively loaded from the conveyor belt when the stopper is opened, and guides and introduces the tablets into the packaging material. Tablet loading device.