JPS6127243B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial Field of Application] The present invention relates to a drug packaging machine that packages tablets and powder in predetermined amounts.

[Conventional technology]

In conventional devices of this kind, a transport body is provided with a large number of tablet storage chambers and powder storage chambers, and tablets and powders are removed from each tablet storage chamber and each powder storage chamber, which are sequentially brought to a predetermined position by the movement of the transport body. There are some that are made to fall into separate packages, one example of which is the
There is one described in Publication No. 41485.

[Problem that the invention seeks to solve]

However, in such conventional devices, the transmission mechanism for moving the transfer body and opening/closing the bottom plates of the tablet storage chamber and the powder storage chamber provided in the transfer body or machine frame is complicated. If the bottom plate of the tablet storage chamber is provided on the machine frame rather than on the transfer body, as in the case described, the tablets in the tablet storage chamber will be dragged along the bottom plate to the predetermined drop position, and therefore There were various problems such as susceptibility to damage.

This invention solves the above-mentioned problems of the conventional method, and provides a drug by providing a bottom body that can be opened and closed for each tablet storage chamber, and simplifying the transmission mechanism for opening and closing these bottom bodies and moving the transport body. The purpose is to provide a packaging machine.

[Means for solving problems]

In order to accomplish the above-mentioned object, this invention includes a predetermined number of tablet storage chambers and an equal number of powder storage chambers whose bottoms can be opened and closed one by one in a transfer body that is reciprocally movable along the machine frame. In the drug packaging machine, a bottom body is provided in each of the tablet storage chambers to which the rear end of the transfer body in the forward direction is pivotally connected and can be opened and closed, and when the transfer body is in its original position in the machine frame. A supporting member is provided to support all the bottom bodies from below and bring them to the closed position, and each bottom body is sequentially opened one by one by the forward movement of the transfer body, and the bottom bodies are sequentially opened one by one by the forward movement of the transfer body. It is designed so that it can be removed from the support member and opened. In addition, the present invention provides a drug transporting body that is provided so as to be reciprocally movable along the machine frame, and is provided with a predetermined number of tablet storage chambers and an equal number of powder storage chambers whose bottoms can be opened and closed one by one. In the packaging machine, the rear end of the transfer body in the forward movement direction is pivotally attached to each of the tablet storage chambers (a bottom body that can be opened and closed is provided;
a support member that supports all the bottom bodies from below and brings them to the closed position when the transfer body is in the original position on the machine frame; and a support member that sequentially moves each bottom body one chamber at a time as the transfer body moves forward. A tablet guide chamber whose bottom can be opened and closed is provided at a position where it is removed and opened, and a member that opens each bottom of the powder storage chamber and the bottom of the tablet guide chamber in conjunction with the operation of the packaging machine. be.

[Effect]

Since this invention employs the above-mentioned means, the bottom body of each tablet storage chamber is sequentially removed from the support member and opened by the forward movement of the transfer body.

〔Example〕

The present invention will be described with reference to embodiments shown in the drawings.

In Figs. 1 to 5, 1 is a machine frame, 2 is an upper cover provided around a support shaft 3 so as to be openable and closable, 4, 4...
are window holes provided in three vertical rows and seven horizontal rows at the back right side of the upper cover 2, and the width of the non-opening portion between the horizontally adjacent window holes 4 is approximately equal to the width of the window holes 4. has been done. 5 is arranged so as to be able to slide in the horizontal direction at the bottom of the window holes 4, 4..., and openings 6, 6... are formed in 3 vertical rows and 7 horizontal rows corresponding to the window holes 4, 4... A shutter 7 is a spring that biases the shutter 5 to the left in a position where its openings 6, 6... close all the window holes 4, 4..., a wire rope 8 has one end fixed to the shutter 5, The wire rope 8 extends from the shutter 5 to the right, extends forward via a pulley 9 pivotally connected to the top cover 2, and has its other end fixed to an actuating member 10, which is attached to a pin 1 of the top cover 2.
An elongated hole 12 is fitted into the elongated holes 1 and 11, so that they can be moved back and forth along the elongated hole 12. Reference numeral 13 denotes an opening formed in the front right side of the upper cover 2, and the width of the opening 13 is approximately equal to the length between the left and right ends of the window holes 4, 4, . . .

14, 15, 16 are rails provided on the machine frame 1; 17 is a transfer body equipped with guide rollers 18, 19, 20 that run left and right along the rails 14, 15, 16; 21, 21... are transfer units. When the body 17 is at its right end position, the tablet storage chambers are provided in three vertical columns and seven horizontal columns in the transfer body 17 corresponding to the window holes 4, 4, right below the window holes 4, 4, and the bottom of each chamber 21. A bottom body 23 whose right edge is pivotally connected to the transfer body 17 by a support shaft 22 is disposed on the bottom body 23 . 24 is the bottom body 23,
23... is a support plate fixed to the machine frame 1 on the lower side, and the left edge of the support plate 24 is connected to the bottom body 23, 2.
3... When the portions corresponding to the three vertical columns are shifted left and right by 1/3 of the interval between the horizontally adjacent tablet storage chambers 21, 21, and the transfer body 17 is at its right end position. All the bottom bodies 23, 23, . , 23 . . . are detached one by one from the support plate 24 and released by their own weight.

25 is a tablet guide chamber provided in the machine frame 1 and connected to the left end of the support plate 24; 26 is a spring (not shown) fixed to a support shaft 27 pivotally supported on the machine frame 1 at the lower end of the tablet guide chamber 25; The bottom plate 28, which is biased in the closing direction by the bottom plate 28, is an operating rod fixed to the end of the support shaft 27.

Reference numeral 29 denotes a powder dispensing plate formed by side plates and a rear plate 30 provided on the machine frame 1 below the opening 13, and a swing plate 32 fixed to a support shaft 31 pivotally supported on the machine frame 1. The rocking plate 32 in the chamber is biased in a closing direction such that its lower end joins with the rear plate 31 by a spring 34 acting on a link rod 33 connected to the right end of the support shaft 31. Reference numeral 35 denotes a partition plate having a triangular lower portion that matches the cross-sectional shape of the powder distribution chamber 28 when the swing plate 32 is in the closed position, and the partition plate 35 has a guide roller 36 that runs left and right along the rail 15. It is equipped with

37, 37... are 21 powder storage chambers provided in one row horizontally on the transfer body 17 directly below the powder distribution chamber 29 when the transfer body 17 is at the right end position, and the adjacent powder storage chambers 37 , 37 is formed to be equal to 1/3 of the distance between the tablet storage chambers 21, 21. Each powder storage chamber 37 is provided with a bottom plate 39 pivotally connected to the transfer body 17 by a support shaft 38, and each bottom plate 39 is biased in the closing direction by a spring 40. Reference numeral 41 denotes a hopper provided in the machine frame 1 below the tablet guide chamber 25 and the powder storage chamber 37 located in front thereof, for dropping tablets and powder into the packaging machine (not shown) located below. It is.

Reference numeral 42 denotes a motor provided in the machine frame 1, and cams 43 and 44 are fixed to its drive shaft extending to the right. A cam follower 47 provided at the lower end of a lever 46 whose intermediate portion is pivotally connected to the machine frame 1 by a support shaft 45 is engaged with the cam 43, and a cam follower 47 provided at the lower end of the lever 46 is engaged with the cam 43, and the upper end of the lever 46 is fitted into a groove 48 formed in the actuating member 10. A fitting protrusion 49 is provided. 50 is cam follower 47
This is a spring that reliably engages the cam 43. Therefore, when the motor 42 rotates once, the cam 43 swings the lever 46 against the springs 7, 50, moves the actuating member 10 forward, and connects the shutter 5 via the wire rope 8 so that the openings 6, 6, . . . The holes 4, 4, . . . are slid to the right until they are all opened, and at the end of the rotation of the motor 42, they all return to their original positions. The lower end of the cam 44 having four convex portions is a cam follower 5 provided in the middle of a lever 52 which is pivotally connected to the machine frame 1 by a support shaft 51.
3 is engaged, and the upper end of the lever 52 has a link rod 33.
The ends are pivotally connected. Therefore, when the motor 42 rotates once, the cam 44 swings the lever 52 against the spring 34, and the swing plate 32 is opened and closed four times via the link rod 33.

Reference numeral 54 denotes a motor installed in the machine frame 1, and a drive shaft extending rearward is connected to the motor through a belt 55.
A rotating shaft 56 supported by the machine frame 1 is connected to the rotating shaft 56, and a pinion 58 is attached to the front end of the rotating shaft 56, which engages with a rack 57 provided at the lower rear end of the transport body 17. There is also a powder storage chamber 3 at the rear end of the transfer body 17.
21 holes 59, corresponding to 7, 37...
59... are provided in one row horizontally on the iron plate, and the transfer body 17
A Hall element 60 is provided on the machine frame to detect the hole 59 at the left end when the hole 59 is at the right end position. Therefore, when the motor 54 rotates until the Hall element 60 detects the next hole 59, the transfer body 17 moves to the powder storage chamber 3 via the pinion 58 and the rack 57.
It is designed to be moved forward and backward by one pitch of 7, 37, . . . .

Reference numeral 61 denotes a rotating shaft that is supported by the machine frame on the side of the tablet guide chamber 25 and connected to a packaging machine motor (not shown) via a chain 62. A cam 63 is attached to the end of the rotating shaft 61. It is fixed. 64
is an actuating body equipped with a guide roller 66 that runs back and forth along a rail 65 provided on the machine frame 1 on the side of the tablet guide chamber 25. Matching roller-shaped cam followers 67, 67 are pivotally supported. A roller 68 that engages with the operating rod 28 and a roller 69 that engages with the bottom plate 39 of the powder storage chamber 37 located in front of the tablet guide chamber 25 are pivotally supported at the front end of the operating body 64, respectively. 70 is a spring that urges the actuating body 64 backward. Therefore, when the packaging machine motor rotates by a predetermined angle, the cam 63 advances the actuating body 64 against the unillustrated springs of the bottom plate 26 and the springs 40, 70, and the rollers 68, 69 move the bottom plates 26, 39 to a predetermined position. They are opened at almost the same time, and all return to their original positions at the end of the rotation of the cam 63. The timing for opening the bottom plates 26 and 39 is selected in advance so that the tablets in the tablet guide chamber 25 and the powder in the powder storage chamber 37 fall into the packaging machine at the same time.

Next, we will discuss the effects of the above.

For example, when packaging a total of 9 packets for 3 days three times a day, insert the tablets per packet into the nine window holes 4, 4, etc. in order from the back left, and also insert the tablets from the partition plate 35 into the nine holes 4, 4, etc. from the left. Pour 9 packages of powder into the powder distribution chamber 29 to the left of the pitch and level it out. Subsequently, when the motor 42 is rotated once, the shutter 5 opens and the tablets in the window holes 4, 4, .
1, 21... They each fall, and the rocking plate 32 opens and closes four times, and the powder in the powder dispensing chamber 29 falls 9 times from the left.
Substantially equal amounts are shaken out into the powder storage chambers 37, 37, . . . arranged in rows. Next, Hall element 6
When the motor 54 is rotated until 0 detects the second hole 59 from the left, the transfer body 17 moves one pitch to the left from the original right end position, and the bottom body 23 of the tablet storage chamber 21 at the back left is released from the support plate 24 and the tablet falls into the tablet guide chamber 25, and the bottom plate 39 of the powder storage chamber 37 at the left end comes to a position corresponding to the roller 69. Next, when the packaging machine is ready for packaging, the packaging machine motor is rotated by a predetermined angle, and the operating body 64 advances to open the bottom plates 26 and 39 at a predetermined timing, thereby releasing the tablets in the tablet guide chamber 25. The powders in the powder storage chamber 37 at the left end simultaneously fall into the packaging machine via the hopper 41, and are packaged as packages by the packaging machine.

After the bottom plates 26 and 39 have been opened and closed, when the motor 54 is rotated until the Hall element 60 detects the third hole 59 from the left, the transfer body 17 moves one more time.
As the pitch moves to the left, the bottom body 23 of the second tablet storage chamber 21 from the left comes off the support plate 24 and opens, and the tablet falls into the tablet guide chamber 25, and the second powder from the left also opens. The bottom plate 39 of the storage chamber 37 is the roller 6
It comes to the position corresponding to 9. When the packaging machine motor is rotated by a predetermined angle after the first packaging is completed and preparation for the next packaging is completed, the tablets in the tablet guide chamber 25 and the powder in the second powder storage chamber 37 from the left are delivered to the packaging machine at the same time. It will fall and be packaged as a single package.

Thereafter, when the bottom plates 26 and 39 of the ninth package are opened and closed in the same manner, the motor 54 is rotated in the opposite direction, and the transfer body 17 moves back to the right, and at this time, each bottom body 23 rides on the support plate 24. They will be closed one after another. Further, after the first rotation of the motor 42 is completed and the shutter 5 and the swing plate 32 are closed, the tablet and powder storage chambers 3 in the tablet storage chambers 21, 21...
Even during the packaging of powders in 7, 37...
Tablets and powders for the next patient are placed in windows 4 and 4.
...and into the powder distribution chamber 29.

In addition, in the above embodiment, the tablet storage chambers 21, 21...
…and powder storage chambers 37, 37…21 respectively.
For example, the installation height of the tablet storage chambers 21, 21... and the installation height of the powder storage chambers 37, 37... If the size is appropriately selected, the tablet guide chamber 25 can be omitted, and the holes 59, 59... and the Hall element 60 can be omitted.
The combination with can also be replaced with other appropriate ones, and the present invention also includes various modifications of the above embodiments,
It goes without saying that correction is possible.

〔Effect of the invention〕

Since the present invention is configured as described above, the bottom body of each chamber of the tablet storage chamber is simply detached from the support member by the forward movement of the transfer body, and the bottom body of each chamber of the tablet storage chamber is opened one by one one by one.
Therefore, the transmission mechanism for moving the transfer body and opening and closing the bottom body of the tablet storage chamber is extremely simple, and the tablets in the tablet storage chamber have excellent effects such as being dragged on the bottom body and not being damaged at all. It has the following.

Furthermore, in the case where a tablet guide chamber is provided and its bottom and the bottoms of the powder storage chambers are opened in conjunction with the operation of the packaging machine, in addition to the above-mentioned effects, tablets and powders can be packaged. Since they fall into the machine at the same time, they also have the effect of ensuring that the packaging machine operates reliably.

[Brief explanation of the drawing]

FIG. 1 is a partially cutaway plan view showing an embodiment of the present invention, FIG. 2 is a plan view of the main part of the device shown in FIG. 1, and FIG. 3 is a partially cutaway front view of the device shown in FIG. 1. 4 is a longitudinal sectional side view taken along the line --- in FIG. 3, and FIG. 5 is a longitudinal sectional side view taken along the -- line in FIG. 3. 1: Machine frame, 2: Top cover, 3, 22, 27, 31,
38, 45, 51: Support shaft, 4: Window hole, 5: Shutter, 6, 13: Opening, 7, 34, 40, 50, 7
0: Spring, 8: Wire rope, 9: Pulley, 1
0: Operating member, 11: Pin, 12: Long hole, 14,
15, 16, 65: Rail, 17: Transport body, 1
8, 19, 20, 36, 66: Guide roller, 2
1: Tablet storage chamber, 23: Bottom body, 24: Support plate, 2
5: Tablet guide chamber, 26, 39: Bottom plate, 28: Operating rod, 29: Powder distribution chamber, 30: Rear plate, 32: Swing plate, 33: Link rod, 35: Partition plate, 37: Powder storage chamber, 41: Hopper, 42, 54: Motor, 4
3, 44, 63: cam, 46, 52: lever, 4
7, 53, 67: Cam follower, 48: Concave groove, 4
9: Protrusion, 55: Belt, 56, 61: Rotating shaft,
57: Rack, 58: Pinion, 59: Hole, 6
0: Hall element, 62: Chain, 64: Operating body, 68, 69: Roller.

Claims (1)

[Claims] 1. A transport body provided so as to be able to reciprocate along the machine frame,
In a drug packaging machine comprising a predetermined number of tablet storage chambers and an equal number of powder storage chambers whose bottoms can be opened and closed one by one, an end of the transfer body in the forward movement direction for each of the tablet storage chambers is provided. A support member is provided on the machine frame to support all the bottom bodies from below and bring them to the closed position when the transfer body is in the original position, and the support member is provided in the machine frame to support the movement of the transfer body. As a result of the movement, each of the bottom portions is sequentially opened one by one, and
A drug packaging machine characterized in that the bottom body is successively removed from the support member one chamber at a time and opened. 2. A transport body installed so that it can reciprocate along the machine frame,
In a drug packaging machine comprising a predetermined number of tablet storage chambers and an equal number of powder storage chambers whose bottoms can be opened and closed one by one, an end of the transfer body in the forward movement direction for each of the tablet storage chambers is provided. is provided with a bottom body which is pivotally connected to the machine frame so that it can be opened and closed, and a support member that supports all of the bottom bodies from below and brings them to the closed position when the transfer body is in the original position on the machine frame, and a support member that allows the transfer body to move forward. A tablet guide chamber whose bottom part can be opened and closed by disengaging each bottom part one by one from the support member and being opened; A drug packaging machine characterized by being provided with a member for opening the bottom of the tablet guide chamber.