JPH0213375Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Industrial Application Field] This invention relates to a drug supply device in a drug packaging machine.

[Prior Art] A device is equipped with a tablet feeding device and a powder medicine feeding device such as powder or granules, and the tablets and powder medicines discharged from each feeding device are alternately dropped and fed into a common tablet feeding chute, and the drug feeding chute is There has been a drug packaging machine that alternately packages drugs discharged from a container using packaging sheets that are heated and bonded.

The powder supply device in the drug packaging machine normally feeds a powder supply body in which powder supply holes are formed at equal intervals in one direction in a predetermined stroke intermittently, and each time the powder supply body is stopped, the powder supply body is fed upwardly with a claw placed at a fixed position. The movement pushes up the protruding piece of the swingable opening/closing lid provided at the lower part of the powder supply section, opens the supply hole, and causes the powder in the supply hole to fall one after another. This powder supply device fills the measured powder into a V square placed above the powder supply body, scrapes the surface of the powder with a spatula to make it even, and then opens the V mass to form the powder supply body. Since the powder is dropped upward and the capacity is divided according to the number of powder supply holes in the powder supply body, adjacent powder supply holes are placed close to each other, and the opening/closing lid provided at the bottom of the supply hole is also placed close to each other. are doing.

[Problem that the invention attempts to solve]

By the way, conventionally, the end of the opening/closing lid is extended from the support part, and the extended part is a projecting piece that is pushed up by a claw that moves in the vertical direction. Move the powder supply body using a forward feed pitch that corresponds to 1/2 the pitch of the formation pitch of the powder supply holes, and when it stops, open the opening/closing lid, and the powder supply body will move the distance corresponding to the pitch of the formation of the powder supply holes. When the device moves a certain distance, the same opening/closing lid is opened twice, and the powder is allowed to fall in the initial open state, and the tablets are fed from the tablet feeding device in the later open state.
Therefore, when feeding tablets, there is an inconvenience that the powder remaining in the powder supply hole falls and mixes with the tablet.

Therefore, the technical objective of this invention is to solve the above-mentioned inconveniences and to prevent powder from being mixed with tablets.

[Means for solving problems]

In order to solve the above problem, this invention regulates the width dimension of the protrusion of the opening/closing lid that is opened by the claw, and creates a blank space between the adjacent protrusions for the opening/closing lid operating claw. The device is configured to eject tablets from the tablet feeding device when the claws form a blank punching space.

[Effect]

As mentioned above, by providing a space between adjacent protrusions, the opening/closing lid can be moved by using a dimension corresponding to 1/2 pitch of the formation pitch of the powder supply hole as a forward feeding pitch. The actuation claw alternately repeats the action of pushing up the protrusion of the opening/closing lid to open the opening/closing lid and the action of blank firing, and during the blank firing operation, the tablets are fed from the tablet feeding device. Therefore, it is possible to prevent the powder from being mixed with the tablet.

〔Example〕

As shown in FIG. 1, the drug supply device according to this invention consists of a combination of a tablet supply device 1 and a powder supply device 30.

As shown in FIGS. 1 to 3, the tablet feeding device 1 includes a tablet feeding chute 4 provided between a first table 2 and a second table 3.
A tablet supply body 5 movable from above toward the second table 3 is provided with a plurality of rows of tablet supply holes 6 arranged at equal intervals in the direction of movement of the supply body 5 in the width direction of the supply body 5, and each row The tablet supply holes 6 are shifted in the direction of movement of the tablet supply body 5 by a dimension corresponding to the value obtained by dividing the formation pitch P of the supply holes 6 by the number of rows.
Furthermore, an opening/closing lid 7 that opens under its own weight is provided at the bottom of each supply hole 6. Furthermore, the tablet supply body 5
A rack 8 is attached to the side surface of the rack 8, and a pinion 1 provided on the output shaft of the motor 9 for operating the supply body is connected to the rack 8.
0 are engaged with each other, and the tablet supply body 5 is intermittently moved toward the second table 3 by a predetermined stroke by the drive of the motor 9, and the opening/closing lid 7 of each supply hole 6 is connected to the upper part of the tablet supply chute 4. When facing the opening, the opening/closing lid 7 opens. Therefore, by placing tablets in each supply hole 6 and moving the supply body 5, the tablets can be dropped into the supply chute 4 in order from the first supply hole 6, and
The opening/closing lid 7 is opened due to the movement of the tablet supply body 5.
Since the opening/closing lid 7 contacts the tip edge of the second table 3, the opening/closing lid 7 in the open state can be closed in sequence.

A plurality of guide holes 12 are formed in the second table 3, and the rear end of a rod-shaped shutter 13 that is movable along each guide hole 12 is connected to a movable frame 14 that is movable toward the first table 2. The movable frame 14 and the outer periphery of a disc 15 which is rotatably driven by a motor (not shown) are connected by a link 16, and when the disc 15 rotates, the shutter 1
3 moves toward the first table 2, and the tip of the shutter 13 fits into a notch 17 provided at the rear end of the second table 3.

Therefore, in the stopped state where the shutter 13 is moved toward the first table 2, by moving the tablet supply body 5 from the top of the second table 3 toward the first table 2, the opening/closing lid 7 opens the tablet supply hole. 6
The tablet supply body 5 can be returned onto the first table 2 in the closed state.

As shown in FIG. 1, a guide frame 18 is arranged below the tablet supply chute 4.
A discharge hole 20 formed at the tip of the bottom plate 19 of No. 8 faces the upper opening of the drug supply chute 21. Further, a feeding member 22 movable toward the discharge hole 20 is provided inside the guide frame 18, and a tablet receptacle 23 is formed in the feeding member 22.
The lower end of a lever 24 whose upper part is connected to the rear end of this sending member 22 is rotatably supported by a pin 25, and a cam follower 26 provided in the middle of the lever 24 is connected to the output shaft of a lever driving motor 27. 28 and when the cam 29 rotates, the feeding member 22 moves back and forth along the guide frame 18, and as it moves forward, it picks up the tablets that have fallen from the tablet supply chute 4 into the tablet socket 23. It is designed to fall and be discharged into a medicine supply chute 21.

On the other hand, as shown in FIG. 1, FIG. 4, and FIG. The powder supply body 31 is supported movably by fitting together. This powder supply body 31 is movable in the same direction as the tablet supply body 5 above the medicine supply chute 21 . In addition, a plurality of powder supply holes 34 are formed in the powder supply body 31 in close proximity to each other at equal intervals, and the formation pitch P' of the powder supply holes 34 is determined by the amount of deviation in the movement direction of the tablet supply holes 6 in each row. That is, the size is equal to the value obtained by dividing the forming pitch P of the tablet supply holes 6 by the number of rows.

As shown in FIG. 1, a rack 35 is attached to the side surface of the powder supply body 31.
5 and a pinion 36 attached to the output shaft of the supply body operating motor 9 mesh with each other, and by driving the motor 9, the powder supply body 31 is positioned at 1/2 pitch of the formation pitch P' of the powder supply hole 34. It is designed to be fed in one direction with the corresponding dimension as the forward feed pitch.

An opening/closing lid 37 is provided at the bottom of each powder supply hole 34 of the powder supply body 31 . As shown in FIG. 1, each opening/closing lid 37 has an end projecting laterally from the side surface of the powder medicine supply body 31 that is rotatably supported by a pin 38, and the powder medicine supply body 31 is opened from the supporting part. The position from the side is pulled up by the spring 39, and the elasticity of the spring 39 holds it in the fully closed state. Further, a projecting piece 40 is formed at a position outside the support portion of the opening/closing lid 37, and this projecting piece 40 is attached to the opening/closing lid 37 as shown in FIG.
There is a space between adjacent projecting pieces 40 that allows the opening/closing lid actuating pawl 41 to pass through.

The claw 41 is arranged on the side of the drug supply chute 30, as shown in FIGS. 1 and 4. This claw 41 has an arc shape, and the claw 41
The triangular rocking plate 42 supporting the pin 4 has an upper part.
3, the rocking plate 42 becomes swingable.
An L-shaped interlocking arm 44 with one end connected to the bottom of the
is horizontally movably supported by rollers 45, and a cam follower 46 provided at the other end of this interlocking arm 44 is in pressure contact with an arm actuating cam 47 attached to the output shaft 28 of the lever driving motor 37. The claw 41 is moved in the vertical direction by the drive of the motor 37.

Note that the claw 41 is designed to move up and down once when the powder supply body 31 is stopped.

A powder dropping device 50 is provided above the powder supply body 31. As shown in FIG. 1, this powder medicine dropping device 50 is provided with a pair of triangular side plates 52 on one side of a fixed support plate 51.
A pair of arms 54 are provided at both ends of the opening/closing plate 53 opposite to the opening/closing plate 53, and the arms 54 are overlapped with the outer surface of the side plate 52 and connected with a pin 55. 53 is provided with a V-shaped mass 56.

This powder drop device 50 puts weighed powder into a V-shaped box 56, then levels the top surface.
From there, the opening/closing plate 53 is rotated around the pin 55 to cause the powder in the V-shaped mass 56 to fall, and the powder supply hole 34 of the powder supply body 31 stops below the falling powder. The volume is divided according to the number of powder supply holes 34.

The drug supply device shown in the embodiment has the above-mentioned structure, and this supply device puts the powder into the powder supply hole 34, puts the required number of tablets into the tablet supply hole 6, and then fills the powder supply hole 34 with the required number of tablets. The tablet feeder 5 and the powder feeder 31 are moved intermittently with a forward feed pitch of a dimension corresponding to 1/2 pitch of the forming pitch P′,
The opening/closing lid 7 of the tablet supply body 5 is opened at the upper opening of the tablet supply chute 4, causing the tablets inside to fall into the tablet receptacle 23 of the delivery member 22, and the tablets are dropped into the tablet receptacle 23 of the delivery member 22 by movement of the delivery member 22. Tablets and powders are alternately discharged into the medicine supply chute 30 by the action of conveying them toward the supply chute 21 and the action of the claws 41 opening the opening/closing lid 37 of the powder medicine supply body 31.

Here, the powder supply body 31 is moved in a manner corresponding to 1/2 pitch of the formation pitch P' of the powder supply holes 34 as a forward feeding pitch.
Projections 40 provided on the opening/closing lid 37 and spaces formed in adjacent projections 40 alternately face above the claws 41 that move up and down when the device is stopped. When it is opened, the claw 41 pushes up the protrusion 40 and opens the opening/closing lid 37, so the powder medicine inside falls into the drug supply chute 21, and the space is filled with the claw 4.
1, the claw 41 is blankly punched, and at this time the tablet is supplied from the tablet supply device 1 into the medicine supply chute 21, so that it is possible to prevent powder from getting mixed into the tablet.

〔effect〕

As described above, according to this invention, a protrusion that is pushed up by vertical movement is formed on the opening/closing lid of the powder supply hole, the width of the protrusion is regulated, and a claw is formed between adjacent protrusions. A blank punching space is provided, and when the claw for operating the opening/closing lid rises toward the space, the tablets are fed from the tablet feeding device to the drug feeding chute, so that tablets and powdered medicines are alternately packaged. During operation, it is possible to prevent the powder from mixing with the tablet, and it is possible to reliably supply the tablet and the powder separately.

[Brief explanation of drawings]

Fig. 1 is a longitudinal sectional front view showing an embodiment of the drug supply device according to the invention, Fig. 2 is a partially omitted plan view showing the tablet feeding device of the same device, and Fig. 3 shows the shutter attachment part of the same device. FIG. 4 is a partially cutaway side view showing the powder supply device as described above, and FIG. 5 is a cross-sectional plan view of the same as above. 1...Tablet feeding device, 5...Tablet feeding body, 6...
...Tablet supply hole, 21...Drug supply chute, 30
...Drug supply device, 31...Powder medicine supply body, 34...
...Powder supply hole, 37...Opening/closing lid, 40...Protrusion piece,
41...Claws.

Claims (1)

[Scope of utility model registration request] A tablet feeding device in which a tablet feeding body having tablet feeding holes formed at equal intervals is moved in one direction intermittently by a predetermined stroke to cause the tablets in the tablet feeding hole to naturally fall one after another at a predetermined position, and a powder feeding hole. Powder supply bodies formed at equal intervals are intermittently fed in a predetermined stroke in one direction, and each time the powder supply bodies are stopped, the protruding piece of the opening/closing lid provided at the bottom of the powder supply hole is moved upward by the upward movement of a claw placed at a fixed position. Push up to open the above supply hole,
and a powder supply device configured to sequentially drop powders in the supply holes, and the formation pitch of the tablet supply hole and the powder supply hole are made equal, and the formation pitch is 1/2 of the formation pitch.
In the drug supply device, the tablet supply body and the powder medicine supply body are fed in one direction using a feed pitch having a size corresponding to the pitch, and the tablets and the powder medicine are alternately dropped into a common medicine chute. The tablet feeding device and powder medicine feeding device are arranged so that a blank punching space for the opening/closing lid actuating claw is formed between the projecting pieces of the opening/closing lid, and the tablet is ejected from the tablet feeding hole when the blank punching space is opposed to the claw. A drug supply device characterized by timing its operation.