JP2944235B2 - Drug supply device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention is applicable to hospitals, pharmacies, etc.
A medicine supply device that is equipped in a medicine packaging machine that selects and automatically packs one or several kinds of medicines (for example, tablets) based on a different prescription for each patient, and that appropriately extracts the stored medicine and guides the medicine to a packaging mechanism. About.

[0002]

2. Description of the Related Art At present, there are thousands of kinds of tablets prescribed in hospitals and pharmacies, but only about 800 kinds of tablets are actually used. Conventionally, there is one tablet packaging machine that can store approximately 250 types of tablets per unit and can automatically pack tablets as prescribed by simply inputting desired prescription data using a controller such as a personal computer. Or a plurality are used.

[0003] The structure of such a tablet packing machine is disclosed in, for example, Japanese Utility Model Publication No. 58-46962.
The upper part has a medicine storage part that stores a plurality of rectangular tablet cases, and the lower part has a casing that stores a packaging machine part via a funnel-shaped hopper or shutter.The medicine storage part has a rectangular parallelepiped according to the type of tablet. The tablet case is driven by inputting a predetermined extraction signal to the controller, extracts the tablet, and introduces it into the hopper through the falling passage. , And is configured to discharge one package to the packaging machine section via the shutter.

[0004] The wrapping machine section includes a roller, a tension roller, and a vertical heat seal for forming a continuous pouch by vertically heat-sealing a wrapping paper wound around a pre-folded wrapping paper. It comprises a mechanism, a horizontal heat-sealing mechanism for sealing the upper opening of the pouch filled with tablets, and a feed roller.

Then, the feed roller is intermittently driven to convey the wrapping paper, and when the conveyance is stopped, a small bag is formed by the vertical heat sealing mechanism, tablets are opened by opening the shutter, and the small bag is sealed by the horizontal heat sealing mechanism. You.

Further, a tablet case, that is, a tablet supply device, which is provided in such a tablet packaging machine and extracts a stored tablet as appropriate and guides the tablet to a packaging machine section, is disclosed in, for example, Japanese Patent Publication No. 63-1.
As disclosed in Japanese Patent No. 1253, a tablet case portion,
A rotary plate disposed on one side facing the tablet case portion, a plurality of ribs disposed with an appropriate gap around a surface of the rotary plate facing the tablet case portion, and reciprocating in a radial direction. A locking member attached to the rotating plate corresponding to the gap so that the tablet can be locked and pushed out, and a rotating member disposed between the rotating plate and the tablet case portion so that the tablet enters the inside of the rib. A partition plate having an opening having a diameter smaller than that of the plate and having a fixed wall on the surface facing the rib, the fixing wall substantially fitting with the rib so that the rib is on the inside, and formed on the fixed wall facing a predetermined tablet extracting position. A tablet take-out opening, an elastic plate attached to close the tablet take-out opening from the outside and opened by being urged by a tablet pushed out by the locking tool, a magnet and a reed switch, and opening and closing of the elastic plate Magnet and lead in response to movement And a shield plate for shielding between the switch,
The locking member is urged in the direction of the central axis of the rotating plate, and the rotating member reaches the tablet extracting position by the rotation of the rotating plate. And a control member for controlling reciprocation of the locking member in conjunction with the rotation.

[0007]

According to the above-described tablet supply device, that is, the tablet case, there is an advantage that the tablet can be reliably extracted one by one by the rotating operation of the rotating plate, and the tablet supply time can be shortened. The guide surface that guides the tablet in the case to the opening of the partition plate is determined uniformly by the shape of the partition plate and the rotating plate, and cannot be changed according to the size and shape of the tablet. Was not done well.

[0008] The present invention has been made in view of the above point, the guide passage for aligning the tablets can be easily changed according to the size and shape of the tablet with a simple configuration,
It is an object of the present invention to provide a convenient drug supply device with good performance.

[0009]

According to the present invention, there is provided a medicine case portion for accommodating a medicine at an upper portion, and a mechanism portion at a lower portion, wherein the mechanism portion includes an inflow passage into which the medicine in the medicine case flows, and an inflow passage. An alignment body having a guide surface for guiding the medicine toward the container, a fixed plate having a medicine drop passage communicating with the inflow path and a partition plate interposed in the middle of the inflow path, and rotating or aligning the alignment body. A swinging mechanism and a driving device for driving the mechanism, and an aligning member for forming an aligning groove for the medicine between the peripheral surface and the medicine case is detachably provided on the guide surface of the aligning body. It is a thing.

[0010]

With the above-described structure, the medicine supply device of the present invention can form an alignment groove suitable for the stored medicine by a simple operation of replacing the alignment member according to the size and shape of the medicine. It is possible to provide a convenient drug supply device with good performance by smoothly guiding the drug from the groove to the hole.

[0011]

Embodiments of the present invention will be described below with reference to the drawings.

Reference numeral 1 denotes a tablet packaging machine for tablets among drugs. The packaging machine has a casing 4 having a medicine storage section 2 at an upper part and a packaging machine part 3 at a lower part, and is inserted into a lattice-shaped partition plate 5 of the medicine storage section 2 and arranged in a plane, and is elongated vertically. A plurality of tablet cases 6 formed, an input mechanism 7 for taking out a predetermined number of tablets from the lower part of a selected one of the tablet cases and collectively putting them into a packaging bag; And a control device 8 for controlling the tablet input operation 7 and the like, and hermetically packs the packaging bag into which the tablets have been input.

The casing 4 has a sliding door 9 on the upper surface.
The upper surface is opened by sliding the door, and the lattice-shaped partition plate 5 and the upper part of the tablet case 6 arranged between the partition plates are exposed. The partition plate has 12 columns in the depth direction and is modularized with 10 rows as one unit. (However, the columns and rows do not have to be limited to these.) Therefore, one module can accommodate 120 types of tablets, that is, 120 tablet cases 6, and a plurality of modules can be connected. As a result, 120, 240,
A configuration for storing 360 or 480 types can be made. A stepped bottom plate 10 having a recessed center is provided below the lattice-shaped partition plate 5, and an electrical connector 11 is attached to a portion of the bottom plate that contacts the tablet case 6.

The tablet case 6 is electrically connected to the control device 8 by being inserted into the electric connector 11, and exchanges drive signals and detection signals.

Since the bottom plate 10 is formed in a step shape, it can accommodate two kinds of tablet cases 6A and 6B having different lengths as shown by a dashed line in FIG.
It is designed to store the proper number of tablets even for tablets of different sizes.

As described above, the tablet case 6 is formed in a vertically elongated column shape (length 300 mm), and a cylindrical (φ46 mm) transparent tablet case 12 for storing tablets at the upper portion and a rectangular column shape at the lower portion. Is formed detachably.

The mechanism section 13 has a groove 60 for vertically aligning a plurality of tablets at one side, a guide surface 61 inclined so as to have a downward slope toward the groove 60, and a tablet passage on the outer periphery. And a semi-disc-shaped bearing member 98 fixed to a case so as to support a drive shaft 99 of the alignment member. A disk-shaped fixing plate 66 having a notch 63 on a part of the outer periphery where a tablet falls, and a partition plate 65 interposed in a slit 64 formed in the middle of the groove 60; A base 67, a connection frame 100 for connecting the support base to the tablet case 12, and a mounting frame 59 mounted on the support base 67. The position where the partition plate 65 is interposed in Not interposed between the position and the swinging mechanism 68 for swinging in a (position shown in FIG. 2), the swing mechanism 68
Drive 7 comprising a gear reducer (not shown) built in support base 67 and DC motor 69 for driving
0.

A partition plate 65 mounted on the fixed plate 66 is supported by a column 72 through a long hole 71,
It is always urged by the spring 73 in the direction shown by the arrow in FIG.

An oscillating mechanism 68 includes an eccentric pin 74 connected to a DC motor 69 via a gear reducer, and one end of the support 7.
A swing plate 79 is provided at one end, which is engaged with the eccentric pin 74 in a long groove 77 provided on the center lower surface and supported on the other end 6 and projecting a swing pin 78 (up and down) on the other upper surface. The cut groove 80 is engaged with the swing pin 78, and the column 81 projecting from the upper surface of the other end is connected to the drive shaft 99 of the alignment body 59.
And a fan-shaped connecting piece 84 connected to the fan.

Reference numeral 85 denotes a detector which is connected to a tablet drop passage 86 provided on the side surface of the support 67 and is detachably mounted on the upper surface of the support 67. The tablet 88 has a structure in which the light receiving element 89 and the light receiving element 89 face each other.

In the tablet case 12, an alignment body 59 and a fixing plate 66 constituting the mechanism section 13 are fixed.
The components are separated into components above the connection piece 84 in FIG. 3, components below the rocking plate 79, and a connection frame 100.

The tablet case 6 constructed as described above
When a tablet removal signal is input from the control device 8, the DC motor 69 constituting the driving device 70 rotates,
Rotational motion is converted to oscillating motion by the eccentric pin 74 and the oscillating plate 79. This swinging motion is transmitted to the aligning body 59 via the connecting piece 84, and the aligning body 59 is positioned at the position where the partition plate 65 is interposed in the groove 60 with the drive shaft 99 of the aligning body as a fulcrum as described above. 1) and a non-intervening position (the position shown in FIG. 2) in the horizontal direction.

The tablets stored in the tablet case 12 enter the groove 60 by the guide surface 61. When the alignment body 59 is at the position shown in FIG. At rest.

Thereafter, when the aligning member 59 swings to reach the position shown in FIG. 2, the partition plate 65 is lost in the groove 60, and the partition plate 6 is removed.
The lowermost tablet stopped on 5 falls onto the fixing plate 66. Then, the alignment body 59 starts swinging again toward the position in FIG. 1, and the tablet of one tablet that has dropped onto the fixing plate 66 is returned to the groove 60 below the partition plate 65, and the notch 6 in the fixing plate 66.
3. Discharged through the drop passage 86.

At this time, since the falling tablet passes through the recess 87 of the detector 85, a signal indicating that one tablet has been discharged from the tablet case 6 is detected, and this signal is sent to the control device 8. .

Here, the gear reducer in the support base 67 is set so as to reduce the rotation of the DC motor 69 to about 1/100, and the oscillating plate 79 makes one reciprocation when the eccentric pin 74 makes one rotation. One tablet is discharged by rocking (operation of returning from the position of FIG. 1 to the position of FIG. 1 via the position of FIG. 2 again). The time required for one reciprocating swing is 0.4 to 0.5 seconds, and the tablets aligned on the groove 60 and on the partition plate 65 immediately drop onto the fixed plate 66, Separated and dropped downward.

On the guide surface 61 of the aligning body 59, as shown in FIG. 3, an aligning member 62 defining an aligning groove 102 for tablets between the peripheral surface thereof and the tablet case 12 is detachably provided. It is installed. That is, the alignment member 62 is mounted by fitting the leg 103 projecting from the lower surface into the hole 101 of the guide surface 61.

According to such a configuration, the optimal alignment groove 102 for the stored tablets can be formed by a simple operation of appropriately replacing the alignment members 62 having different sizes according to the size and shape of the tablets. , Groove 60 from above guide surface 61
The performance and convenience can be improved by smoothly guiding the tablets to the medical device.

Further, since a series of operations of aligning / separating / discharging the tablets can be reliably performed by the swing mechanism 68 having a small displacement, the mechanical unit 13 has a larger size than the conventional rotating mechanism.
And the tablet case 6 can be made compact.

Further, since the swing mechanism 68 can be composed of simple and small parts such as the swing plate 79 and the partition plate 65, the structure of the tablet case 6 can be simplified.

Further, the tablet case 6 corresponds to the tablet case 1
2, the connecting frame 100 and the support base 67 can be separated, so that workability such as cleaning of the tablet case 12 can be improved. in addition,
The support 67 and the connecting frame 1 already set in the tablet packaging machine
When the tablet case 12 is set on the upper surface of the tablet case 12, the connecting piece 84 on the tablet case 12 side is merely manually rotated to engage the notch 80 of the connecting piece with the swing pin 78 of the swing plate 79. In addition, since the lower outer peripheral surface of the tablet case 12 is guided by the protrusions 95 projecting from four sides of the connection frame 100, the tablet case can be easily and smoothly inserted. .

Since the partition plate 65 mounted on the fixed plate 66 is constantly urged in the direction shown by the arrow in FIG. 2 by the spring 73, for example, the wall of the groove 60 and the partition plate When the tablet is caught between the end of the tablet 65 and the partition 65, the partition plate 65 slides in the horizontal direction against the force of the spring 73 to protect the tablet and to normally operate in the next swinging operation. The tablets can be dropped.

As shown in FIG. 4, reference numeral 35 denotes a hopper having a triangular cross section, which is high in the front and back and low in the center. The tablets discharged from the tablet case 6 are guided to the center of the hopper in the front and rear direction by the hopper 35. You. The hopper is structured to be locked only to the casing 4 and can be removed without using a tool or the like, thereby facilitating cleaning such as removal of chemical powder. A pair of conveyors (not shown) is provided below the hopper 35, and transports the tablets dropped to the center in the front-rear direction of the hopper 35 to the center in the left-right direction.

The loading mechanism 7 is movable in the front-rear direction, and when it is moved forward, the movable container 39 whose bottom plate is opened.
And a paper opening device that widens the entrance before the container is inserted into the packaging paper. When the tablets collected in the movable container 39 by the conveyors 36 and 37 are collected by one packet, the container is moved forward. The tablet moves horizontally, the bottom plate is opened, and the tablets are put into the packaging paper.

The packaging machine unit 3 forms a continuous pouch by heat-sealing a roller 42 wound with a pre-folded packaging sheet 41, a tension arm 43, and heat-sealing the packaging sheet in a T-shape. T-shaped heat seal mechanism 44, a printer device 45 for printing predetermined items such as prescription data on each sachet, a feed roller 46 for intermittently sending the sheet sachets, And a conveyor 48 for sending the sachet to the medicine bag outlet 47. Then, the feed roller 46 is intermittently driven by a drive motor (not shown) to send out the packaging sheet 41, and when the delivery is stopped, the heat sealing mechanism 44 heat-welds the divided portion of each sachet and the lower half of the opening side. Then, a sachet with the upper half of the opening side opened is formed, and the opening of the sachet is pushed open by the paper opening device. Is inserted, the bottom plate of the container is opened, and one packet of tablets is put into a sachet. After this,
The opening of the upper half of the sachet is heat-sealed by the operation of the heat sealing mechanism 44 following the forming operation of the sachet, and the sachet containing the tablets is sealed. Here, the prescription data is printed on the sachet by the printer device 45 at the same time as the tablet feeding operation by the feeding mechanism 7 into the sachet. Finally, the conveyer 48 sends out the sachets in a continuous sheet state to the upper medicine bag outlet 47.
In addition, the packaging sheet 41 passing through the loading mechanism 7 is sent out vertically downward with the fold near as shown in FIG.

As described above, since the drug supply device of the present invention, that is, the tablet case 6 has a vertically elongated column shape and a small bottom area, when the supply device is mounted on the drug packaging machine 1, it is arranged in a plane. The height dimension of the medicine packaging machine 1 can be greatly reduced even if the capacity and the number of arrangements of the supply device are almost the same as those in the related art. As a result, the usability of the user can be improved. In addition, since all of the medicine discharge ports 31 of the tablet case 6 are also located in a plane below the supply device, the medicine discharged from the tablet case 6 to the hopper 35 is discharged from a considerably low position. In addition to being able to greatly reduce the damage caused by the drop of the medicine, the fall time can be shortened and the packaging operation can be speeded up.

Further, since the tablet cases 6 can be arranged in a plane, a fall path commonly used for each tablet case 6 as in the prior art is unnecessary, and the case 6 is pulled out during the operation of the medicine packaging machine 1. Also, the medicine does not jump out of the machine from the withdrawal portion, and the medicine case 12 is provided on the upper part of the tablet case 6 even if the medicine is not withdrawn. The medicine can be easily replenished, and the work efficiency of the user can be improved.

[0038]

As described above, according to the present invention, an alignment groove suitable for a stored medicine can be formed by a simple operation of changing the alignment member according to the size and shape of the medicine. It is possible to provide a convenient drug supply device with good performance by smoothly guiding the drug from the groove to the hole.

[Brief description of the drawings]

FIG. 1 is a perspective view of a tablet case at a partition plate interposition position of an alignment body.

FIG. 2 is a perspective view of the tablet case at a partition plate releasing position of the alignment body.

FIG. 3 is an exploded perspective view of the tablet case.

FIG. 4 is a perspective view of the tablet packaging machine.

[Explanation of symbols]

 Reference Signs List 6 tablet case 12 tablet case 13 mechanism part 59 alignment body 60 groove 61 guide surface 62 alignment member 63 notch 64 slit 65 partition plate 66 fixing plate 70 driving device

──────────────────────────────────────────────────続 き Continuation of the front page (72) Inventor Hiroya Shimizu 2-18 Keihanhondori, Moriguchi City Sanyo Electric Co., Ltd. (56) References JP-A-51-24397 (JP, A) 31520 (JP, B2) (58) Field surveyed (Int. Cl. ⁶ , DB name) B65B 35/00 B65B 1/30 B65D 83/04

Claims (1)

(57) [Claims] 1. A medicine case part for accommodating a medicine in an upper part,
A mechanism portion is provided at a lower portion, and the mechanism portion has an inflow passage into which the medicine in the medicine case flows, and an alignment body having a guide surface for guiding the medicine toward the inflow passage, and a medicine passage communicating with the inflow passage. A fixed plate having a drop passage and a partition plate interposed in the middle of the inflow passage, and a driving device for rotating or swinging the alignment body, the guide surface of the alignment body has a peripheral surface and a medicine. A drug supply device, wherein an alignment member for forming a drug alignment groove between the case and the case is detachably provided.