KR20180106041A - Cartridge for discharging small-grained medicine - Google Patents

Abstract

Disclosed is a cartridge for discharging small-grained medicine to discharge the small-grained medicine by a predetermined amount. The cartridge for discharging small-grained medicine includes: a first tank formed therein with a first medicine space for accommodating small-grained medicine; a first shutter opened and closed to discharge small-grained medicine downward from the first medicine space; a second tank disposed below the first shutter and formed therein with a second medicine space for accommodating the small-grained medicine discharged downward from the first medicine space; and a second shutter opened and closed to discharge small-grained medicine downward from the second medicine space, wherein the first shutter and the second shutter are closed and the first shutter is opened in a state where the small-grained medicine is accommodated in the first medicine space so that the small-grained medicine discharged from the first medicine space is filled in the second medicine space. The first shutter is closed again so that the second medicine space is defined from the first medicine space and the second shutter is opened so that the small-grained medicine is discharged downward from the second medicine space. The second shutter is movable up and down under the first shutter and the volume of the second medicine space changes when the second shutter moves up and down.

Description

[0001] Cartridge for discharging small-grained medicine [0002]

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a medicine discharging cartridge provided in a medicine packing apparatus for automatically dispensing a medicine by a dose, and more particularly to a medicine discharging cartridge for discharging a small particle medicine such as a powdered or granular medicine by a predetermined amount To a particle drug discharge cartridge.

The drug packaging device is a device that automatically discharges medicines prescribed according to the patient's illness and automatically packs the medicines in a single dose. It is used in large hospitals and pharmacies. Typically, the pharmaceutical packaging apparatus is provided with a tablet feeder which has a plurality of tablet cartridges for classifying and accommodating a plurality of tablet medicines, dispenses various kinds of tablets from the tablet cartridges and feeds them one by one, And a tablet packing machine for packing the tablets for one time.

On the other hand, Korean Patent Registration No. 10-1591989 discloses a small particle medicine discharging cartridge and a small particle medicine packing system for automatically packing drugs in the form of small particles such as powder or granules. However, in the conventional small-particle-size drug discharge cartridge described above, the discharge amount discharged once is fixed, or the adjustable discharge amount is limited to several kinds. Therefore, there is a problem that it is difficult to apply the present invention to general-purpose applications to various kinds of small particle drugs having different doses.

Korean Patent Registration No. 10-1591989

The present invention provides a small particle medicine discharge cartridge which discharges a small particle medicine such as powder or granules by a predetermined dose.

The present invention provides a small particle medicament discharge cartridge capable of adjusting a single discharge amount of a small particle medicament depending on the kind of medicament.

The present invention relates to a medicine dispensing apparatus comprising a first tank provided with a first medicine space in which a small particle medicine is contained, a first shutter opened and closed such that the small particle medicine is discharged downward from the first medicine space, A second tank disposed below the shutter and having a second medicament space in which the small particle medicament discharged downward in the first medicament space is accommodated and a second tank in which the small particle medicament is opened and closed so as to be discharged downward from the second medicament space Wherein the first shutter and the second shutter are closed and the first shutter is opened in a state in which the small particle medicament is accommodated in the first medicament space, The second medicine space is filled with the medicament and the first shutter is closed again so that the second medicament space is separated from the first medicament space and the second shutter is opened, Is discharged downward from the second medicament space, the second shutter is capable of ascending and descending under the first shutter, and the volume of the second medicament space is changed as the second shutter is raised and lowered, Cartridge.

The second tank includes a channel which is opened at one side and extends in the vertical direction and a lift wall which is slidably coupled to one side end of the channel so as to be able to move up and down, The second shutters may be linked to raise and lower the same distance in the same direction.

The small particle medicine discharging cartridge of the present invention may further include a height measuring sensor for measuring a height of the second shutter and the lifting wall, a sensor for detecting a height of the second shutter and the lifting wall when the lifting height reaches a maximum height And a minimum height detecting sensor for detecting the height of the second shutter when the second shutter and the lifting wall reach the lowest height.

The small particle medicine discharging cartridge of the present invention comprises a screw having a male screw pattern formed on an outer circumferential surface thereof, a screw driving motor for providing a power for rotating the screw, And a second shutter bracket for supporting the second shutter and the elevating and lowering walls. The elevating frame may further include a screw fastening block that moves up and down according to the rotational direction of the screw.

The small particle medicine discharging cartridge of the present invention may further comprise a second shutter driving motor supported by the lifting frame to provide power for opening and closing the second shutter.

The small particle medicament discharge cartridge of the present invention may further include a first shutter drive motor for providing power to open and close the first shutter in a space separated from the first medicament space inside the first tank.

The first shutter may be a sliding shutter that linearly reciprocates and opens and closes the first medicine space in a downward direction.

The small particle medicine discharging cartridge of the present invention may further include a first shutter opening / closing sensor for detecting opening / closing of the first shutter and a second shutter opening / closing sensor for detecting opening / closing of the second shutter.

The small particle medicine discharging cartridge of the present invention may further include a medicine detecting sensor for detecting when the amount of the small particle medicine contained in the first medicine space is smaller than the minimum allowable amount.

Wherein a small container containing the small particle medicament is mounted and supported on an upper end of the first tank, and when the small container is mounted on the upper end of the first tank, a small particle medicament accommodated in the container is introduced into the first medicament space You can fall.

The small particle medicine discharging cartridge of the present invention is installed inside an automatic medicine packing apparatus and can discharge small particle medicine such as powder or granules according to prescription in predetermined quantities.

The small particle medicine discharging cartridge of the present invention can change the volume of the second medicament space by elevating the second shutter and changing the height. Therefore, the one-time delivery amount dropped through the small particle medicine discharge cartridge can be appropriately changed depending on the type of medicine. That is, the amount of the small particle drug discharged through the small particle medicine discharge cartridge is not limited to two or three, but is variously divided. Therefore, it can be applied to automatic packaging of various kinds of small particle drugs.

The small particle medicine discharging cartridge according to a preferred embodiment of the present invention includes a motor for opening and closing the first shutter, a motor for opening and closing the second shutter, and a motor for moving the second shutter upward and downward, It has a long and narrow shape. Therefore, it is possible to install a plurality of small particle medicine discharge cartridges on a limited plane, whereby the automatic medicine packing apparatus can be compactly constructed.

The small particle medicine discharging cartridge according to the preferred embodiment of the present invention having the medicine detecting sensor senses when only a small amount of drug is contained in the first medicine space when the amount of the medicine is less than once, And stops the drug packaging operation and notifies the manager that the small particle drug has been consumed. Therefore, the manager can fill the medicine in the first medicine space in a timely manner, and the problem of unfavorable packaging that the medicine is automatically packed into the medicine box with the dose of one dose without the small particle medicine of some kind is prevented.

1 and 2 are a perspective view and an exploded perspective view of a small particle medicine discharge cartridge according to an embodiment of the present invention.
Figure 3 is a cross-sectional view of the small particle medicament discharge cartridge < RTI ID = 0.0 >
FIG.
Fig. 4 is a perspective view showing the first shutter and the opening and closing structure of the first shutter of Fig. 3;
5 to 7 are sectional views sequentially showing the operation of the small particle medicine discharging cartridge according to the embodiment of the present invention.

BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, a small particle medicine discharge cartridge according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings. The terminology used herein is a term used to properly express the preferred embodiment of the present invention, which may vary depending on the intention of the user or operator or the custom in the field to which the present invention belongs. Therefore, the definitions of these terms should be based on the contents throughout this specification.

FIG. 3 is a longitudinal sectional view of the small particle medicine discharging cartridge of FIG. 1, and FIG. 4 is a sectional view of the small particle medicine discharging cartridge of FIG. And a configuration for opening and closing the same. 1 to 4, a small particle medicine discharge cartridge 10 according to an embodiment of the present invention includes a first tank 11, a lower frame 17, a lift frame 25, A screw 35, a screw cover 31, a first shutter 60 and a second shutter 45. [

The first tank 11 is a member which is generally upwardly and downwardly opened and has upper and lower openings, and is provided with a first chemical agent space 12 in which a small particle drug 2 (see FIG. 5) is accommodated. A projection wall 15 protruding in a direction parallel to the X axis is formed at the lower end of the first tank 11 and a separation wall 14 is formed inside the lower end. The space inside the first tank 11 is divided into spaces defined by the first medicine space 12 and the projection wall 15 and the separation wall 14 by the separation wall 14 .

The first shutter 60 is disposed below the first tank 11 by being opened and closed such that the small particle medicament 2 is discharged downward from the first medicament space 12. The first shutter 60 is a sliding shutter that is linearly reciprocally movable in a direction parallel to the X axis. When the first shutter 60 moves in parallel with the positive X-axis direction, the lower side of the first tank 11 is opened and the first medicine space 12 is opened downward. In other words, the small particle medicament 2 contained in the first medicament space 12 is then dropped down and discharged out of the first medicament space 12. Conversely, when the first shutter 60 is moved in parallel to the direction of negative X-axis and becomes the state shown in FIG. 3, the lower side of the first tank 1 is closed. On the other hand, a unit for opening and closing the first shutter 60 will be described later.

The lower frame 17 is located below the first shutter 60 and includes a channel 18 extending in the up and down direction and an upper end of the channel 18. The lower frame 17 is connected to the first shutter 60, And a first shutter support plate (21) for supporting the unit for opening and closing. The channel 18 is open at its one side parallel to the ZX plane and has a cross-section in alphabetical 'U' or Hangul 'c' shape, open at the top and bottom. A guide slot 19 is formed at a pair of corners of the open side.

The screw cover 31 is fixedly supported on a wall opposite to the projecting wall 15 of the first tank 11. A male screw pattern is formed on the outer circumferential surface of the screw 35 and extends in the vertical direction. The upper and lower ends of the screw 35 are rotatably supported by the screw cover 31. The unit for rotationally driving the screw 35 includes a screw driving motor 36 for providing power for rotating the screw 35 and a screw driving motor 36 for rotating the screw 35 in the same direction as the shaft 37 of the screw driving motor 36 And a screw gear 38 meshing with the motor shaft gear and coaxially rotating with the screw 35 from the upper side of the screw 35. The screw driving motor 36 is supported by a screw gear cover 33 fixed to the upper end of the screw cover 31 so as not to expose the screw gear 38.

The lift frame 25 includes a screw fastening block 26 screwed to the outer circumferential surface of the screw 35 to move up and down according to the rotating direction of the screw 35, And a second shutter bracket 29 for supporting a unit for opening and closing the second shutter 45 and the second shutter 45 . The screw coupling block 26 is connected to the upper end of the lift wall 27 and the second shutter bracket 29 is connected to the lower end of the lift wall 27. Both side edges 28 of the lift wall 27 are slidably fitted in a pair of lift guide slots 29 of the channel 18. With this configuration, the lifting frame 25 is lifted or lowered in accordance with the rotation direction of the shaft 37 of the screw driving motor 36, and the lifting or lowering distance is determined according to the rotation angle. That is, the lift wall 27 and the second shutter 45 are linked to move up and down by the same distance in the same direction.

The second tank 48 in which the second medicament space 49 in which the small particle medicament 2 (see FIG. 5) discharged downward in the first medicament space 12 is accommodated, And the elevating wall (27). The second shutter 45 is supported by the second shutter bracket 29 of the lifting frame 25 so as to be able to move up and down below the first shutter 60. The second shutter 45 opens and closes so that the small particle drug 2 falls out of the second medicine space 49 and is discharged out of the small particle medicine discharging cartridge 10.

As the second shutter 45 moves up and down, the volume of the second medicament space 49 is changed. The ascending / descending wall 27 and the second shutter 45 descend and the volume of the second medicament space 49 gradually increases as the descending of the ascending and descending frame 25 at the highest possible height. On the other hand, as the lifting frame 25 is lifted at the lowest possible descent, the lifting wall 27 and the second shutter 45 rise, and the volume of the second medicament space 49 gradually decreases.

A unit for opening and closing the first shutter 60 is disposed in the space defined by the protruding wall 15 and the separating wall 14 inside the first tank 11. The unit for opening and closing the first shutter 60 includes a first shutter driving motor 51 for providing power for opening and closing the first shutter 60 and a second shutter driving motor 51 for fixing and supporting the first shutter 60, And a sliding member 58 movable in a direction parallel to the X axis on the first shutter support plate 21 of the second shutter support plate 17.

The first shutter drive motor 51 is supported by a motor bracket 53 supported by a sliding member 58. A pinion gear shaft 56 is rotatably supported on the motor bracket 53 and first and second pinion gears 55a and 55b are fastened to both ends of the pinion gear shaft 56. [ A motor shaft gear 54 coaxial with the shaft of the first shutter drive motor 51 is engaged with the first pinion gear 55a. The first and second pinion gears 55a and 55b are coupled to first and second rack gears 57a and 57b extended in a direction parallel to the X axis on the upper side of the sliding member 58 Respectively.

With such a configuration, when the shaft of the first shutter drive motor 51 rotates, the first shutter 60 moves in parallel with the positive X-axis direction or moves in the opposite direction in accordance with the rotation direction, The lower end of the first medicament space 12 is opened or closed. Reference numerals 22a and 22b are provided on the first shutter support plate 21 as guide projections for guiding the sliding member 58 to move in parallel with the X axis. The first shutter 60 may be elastically biased in the closing direction. Although not shown in the drawing, the small particle medicine discharging cartridge 10 of the present invention includes the first shutter 60 It may further comprise a spring which is elastically pressed in a direction in which it is closed.

The unit for opening and closing the second shutter 45 includes a second shutter driving motor 41 that is supported by the second shutter bracket 29 and provides power for opening and closing the second shutter 45, A hinge shaft 44 which is rotatably supported by the second shutter bracket 29 and extends in the Y axis direction, a shaft gear 42 which coaxially rotates with the shaft of the second shutter driving motor 41, And a hinge shaft gear 43 that is coaxially rotated with the hinge shaft 44 and is engaged with the shaft gear 42. The hinge shaft 44 is provided with a hinge hinge hinged to one side of the second shutter 45, (46) is fixedly fastened.

With this configuration, when the shaft of the second shutter drive motor 41 rotates, the second shutter 45 rotates in the counterclockwise or clockwise direction with reference to FIG. 3 in accordance with the rotation direction thereof, ) Is opened or closed. In the embodiment of the present invention shown in the drawings, the second shutter 45 is a so-called 'hinged shutter' shutter that rotates about the hinge shaft 44. However, like the first shutter 51, It may be a shutter. The second shutter 45 may be elastically biased in the closing direction. Although not shown in the drawing, the small particle medicine discharging cartridge 10 of the present invention may include a second shutter 45, And a spring for elastically pressing in a direction in which it is closed.

The small particle medicine discharge cartridge 10 includes a maximum height detection sensor 66, a minimum height detection sensor 68, a height measurement sensor 63, a first shutter opening / closing detection sensor 71, a second shutter opening / closing detection sensor 73 ), And a medicine detection sensor (65). The maximum height detection sensor 66 senses when the lifting frame 25 reaches the maximum height at which the lifting frame 25 can be lifted up and the minimum height detection sensor 68 detects when the lifting frame 25 reaches the minimum lifting height And the height measuring sensor 63 measures the height of the lifting frame 25. As shown in Fig. Since the lifting frame 25 includes the lifting wall 27 and supports the second shutter 45, the highest height detection sensor 66 and the lowest height detection sensor 68 can be moved between the lifting wall 27 and the second The height measurement sensor 63 detects whether the shutter 45 has reached the maximum height or the minimum height and measures the current height of the lifting wall 27 and the second shutter 45. [

The highest height detection sensor 66 and the lowest height detection sensor 68 are mounted on the upper and lower ends of the screw cover 31 as contact sensors. When the screw 35 is rotated in one direction so that the screw fastening block 26 contacts the probe 67 of the highest height detection sensor 66, the highest height detection sensor 66 senses it, To a controller (not shown) of the discharge cartridge. The controller receiving this signal cuts off the current supplied to the screw drive motor 36 so that the screw lift frame 25 stops rising.

When the screw 35 is rotated in the opposite direction and the screw fastening block 26 contacts the probe 69 of the lowest height detecting sensor 68, the lowest height detecting sensor 68 senses this, To a controller (not shown). The controller, receiving the signal, cuts off the current supplied to the screw driving motor 36 so that the descent of the screw lifting frame 25 is stopped.

The height measurement sensor 63 may include an encoder for measuring the rotation angle of the screw 35. [ When the screw 35 rotates and the height of the lifting frame 25 is changed in a state where the lifting frame 25 and the second shutter 45 are at the default height, the encoder rotates the screw 35 The heights of the lifting frame 25 and the second shutter 45 are calculated by measuring the angle. The volume of the second medicament space 49 is calculated through the height of the second shutter 45 thus calculated. The default height of the lifting frame 25 and the second shutter 45 may be the highest height at which the lifting frame 25 and the second shutter 45 can rise, or the lowest height at which the lifting frame 25 and the second shutter 45 can be lifted.

The first shutter opening / closing detection sensor 71 senses opening / closing of the first shutter 60 and is a contact sensor provided on the first shutter supporting plate 21. [ The second shutter opening / closing detection sensor 73 senses the opening and closing of the second shutter 45 and is a contact sensor provided on the second shutter bracket 29. When the first shutter 60 is closed, the sliding member 58 contacts the probe 72 of the first shutter opening / closing detection sensor 71, and when the first shutter 60 is opened, The first shutter opening / closing detection sensor 71 senses this change and transmits a detection signal to a controller (not shown) of the small particle medicine discharge cartridge. When the second shutter 45 is closed, the second shutter 45 contacts the probe 74 of the second shutter opening / closing detection sensor 73, and when the second shutter 45 is opened, The second shutter opening / closing detection sensor 73 senses this change and transmits a detection signal to a controller (not shown) of the small particle medicine discharging cartridge.

The controller detects the malfunction of the first shutter 60 and the second shutter 45 by the first shutter opening / closing detection sensor 71 and the second shutter opening / closing detection sensor 73. If a malfunction occurs, The operation of the packaging apparatus is stopped. The maximum height detection sensor 66, the minimum height detection sensor 68, the first shutter opening and closing detection sensor 71 and the second shutter opening and closing detection sensor 73 may include a limit switch .

The drug detection sensor 65 may include, for example, an ultrasonic sensor for detecting when the amount of the small particle drug 2 (see FIG. 5) contained in the first medicine space 12 is smaller than the minimum allowable amount. The medicine detecting sensor 65 may be disposed at a mid-height position in the vertical direction of the first tank 11 and protected by the sensor cover 13 from being exposed to the outside.

The minimum allowable amount as a detection criterion of the chemical detection sensor 65 can be set to a single dose of the drug having the largest dose of one dose among various kinds of small particle drugs that can be accommodated in the first drug space 12 have. Otherwise, when the minimum allowable dose is set to an excessively small amount, the detection signal of the drug detection sensor 65 is transmitted to the controller so that the automatic packaged drug dispenser is automatically packaged with less than one dose of the specific drug May be included.

Reference numeral 78 denotes a motor for supplying a current suitable for the sensors 63, 65, 66, 68, 71, and 73 and motors 36, 41 and 51 provided in the small particle medicine discharging cartridge 10, Is a printed circuit board (PCB).

The upper end portion 16 of the first tank 11 is connected to a middleman (not shown) in which the small particle medicament 2 is stored in a large amount, and the small particle medicine discharging cartridge 10 is connected to the first tank upper end portion 16 And a hopper 80 for firmly fixing the medicine bottle. The lower end of the hopper 80 protrudes downward and is fixedly coupled to the upper end portion 16 of the first tank. A through hole 82 is formed in the lower end of the hopper 80 in a vertical direction.

When the cap of the medicine bottle is coupled with the hopper 80 by reversing the medicine bottle in which the small particle medicine is stored while the first shutter 60 is closed, the small particle medicine is transferred to the inside of the medicine bottle through the through- The medicine is dropped into the first tank 11 and loaded in the first medicine space 12 and the medicine is not poured out of the first tank 11 or the dust of the small particle medicine is not scattered into the air. Therefore, the automatic medicine packing operation using the automatic medicine packing apparatus is performed until the medicine dispenser is emptied and it is detected by the medicine detection sensor 65 that the medicine is loaded in the first medicine space 12 in an amount smaller than the minimum allowable amount And can proceed continuously.

5 to 7 are sectional views sequentially showing the operation of the small particle medicine discharging cartridge according to the embodiment of the present invention. Hereinafter, referring to these drawings in order, the small particle medicine discharging cartridge 10 using the small particle medicine discharging cartridge 10 Describe the discharge operation.

5, when the first shutter 60 is closed and the second shutter 45 is closed, a hopper 80 is provided with a medicine container 2 in which a specific kind of small particle medicine 2 is stored (not shown) The small particle medicament 2 falls through the through hole 82 of the hopper 80 and is filled in the first medicament space 12 (see Fig. 3). The height of the lifting frame 25 and the second shutter 45 is raised or lowered from the above-mentioned height before joining the medicine bottle to the hopper 80 so that the volume of the second medicine space 49 is changed Can be adjusted to a single dose of the small particle drug (2).

In addition, the single dose of the specific type of small particle drug 2 is usually known in grams (grams), and the volume of the internal space of the drug container is also known. Therefore, the specific gravity of the small particle drug (2) can be determined by filling the small particle drug (2) inside the medicine bottle and measuring the weight of the small particle medicine (2) filled in the medicine bottle, The volume of the dose can be determined. As described above, the height of the lifting frame 25 and the second shutter 45 is changed so that the volume of the second medicament space 49 is adjusted to be equal to the volume of the single dose of the small particle medicament 2 do.

6, the first shutter 60 is opened and the small particle medicament 2 descends in the first medicament space 12 (see FIG. 3) to form a second medicament space 49 ). The small particle medicament 2 falls down from the medicament by an amount discharged from the first medicament space 12 and is filled into the first medicament space 12 so that the first medicament space 12 is always Filled.

Next, as shown in Fig. 7, the first shutter 60 is closed again, and the second medicament space 49 filled with the small particle medicament 2 is separated from the first medicament space 12. Next, as shown by the two-dot chain line in Fig. 7, the second shutter 45 is opened, and the small particle medicament 2 contained in the second medicament space 49 is discharged downward. The small particle medicament 2 discharged downward in the second medicament space 49 is injected into the medicament, and the medicament into which the small particle medicament 2 is injected is sealed. After the small particle medicament 2 is discharged in the second medicament space 49, the second shutter 45 returns to the position where it closes the second medicament space 49 which is empty as shown in Fig.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the scope of the present invention. Therefore, the true scope of protection of the present invention should be defined only by the appended claims.

10: small particle drug discharge cartridge 11: first tank
12: First medicine space 17: Lower frame
18: channel 25: lift frame
27: lift wall 35: screw
48: second tank 49: second medicine space
45: second shutter 60: first shutter

Claims (10)

A first tank provided with a first medicament space in which a small particle medicament is accommodated; A first shutter which is opened and closed such that the small particle medicament is discharged downward in the first medicament space; A second tank disposed below the first shutter and having a second medicament space in which the small particle medicament discharged downward from the first medicament space is accommodated; And a second shutter which is opened and closed such that the small particle medicament is discharged downward in the second medicament space,
Wherein the first shutter and the second shutter are closed and the first shutter is opened in a state in which the small particle medicament is accommodated in the first medicament space so that the small particle medicament discharged from the first medicament space flows into the second medicament space Wherein the first shutter is closed again to separate the second medicament space from the first medicament space and the second shutter is opened so that the small particle medicament is discharged downward in the second medicament space,
The second shutter is capable of being raised and lowered below the first shutter,
And the volume of the second medicament space is changed as the second shutter moves up and down. The method according to claim 1,
The second tank includes a channel which is open at one side and extends in the vertical direction and a lift wall which is slidably and movably coupled to one end of the channel,
Wherein the lift wall and the second shutter are linked to move up and down by the same distance in the same direction. 3. The method of claim 2,
A height measuring sensor for measuring a height of the second shutter and the elevating wall; A maximum height detection sensor for detecting when the second shutter and the lifting wall reach a maximum height at which the lifting wall can rise; And a lowest height detection sensor for detecting when the second shutter and the ascending / descending wall reach the lowest descent height. 3. The method of claim 2,
A screw extending in a vertical direction and having a male screw pattern formed on an outer circumferential surface thereof; A screw drive motor for providing power for rotating the screw; And a lift frame having a screw fastening block screwed to the screw and moving up and down according to a rotating direction of the screw, and a second shutter bracket supporting the lift wall and the second shutter. Small particle drug discharge cartridge. 5. The method of claim 4,
And a second shutter driving motor supported by the lifting frame to provide power for opening and closing the second shutter. The method according to claim 1,
Further comprising: a first shutter driving motor for providing power to open and close the first shutter in a space separated from the first medicine space in the first tank. The method according to claim 1,
Wherein the first shutter is a sliding shutter that linearly reciprocates to open and close the first medicament space in a downward direction. The method according to claim 1,
A first shutter opening / closing detection sensor for detecting opening / closing of the first shutter; And a second shutter opening / closing sensor for detecting the opening / closing of the second shutter. The method according to claim 1,
And a drug detection sensor for detecting the amount of small particle drug contained in the first drug space when the amount of the small particle drug contained in the first drug space is less than a minimum allowable amount. The method according to claim 1,
Wherein a small tank containing the small particle medicament is mounted and supported at an upper end of the first tank,
Wherein when the medicine bottle is mounted on the upper end of the first tank, the small particle medicine contained in the medicine bottle drops from the medicine bottle into the first medicine space.

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