KR20090132781A - Powder input device for a medicine package machine - Google Patents

Abstract

PURPOSE: A powder injecting apparatus of a medicine packaging machine is provided to reduce the total volume of the medicine packing machine and to improve the efficiency of packaging process. CONSTITUTION: A powder injecting apparatus of a medicine packaging machine comprises a plurality of powder holders(30) having an accommodation space for accommodating powder per a dose; a transfer unit(40) mounting the plurality of powder holders continuously and rotation transferring it up and down; and a switching unit switching the powder holder. The powder holder is rotation transferred up and down by the transfer unit so as to turn over the powder holder in turn, thereby falling the powder per a dose and packaging it.

Description

Powder input device of pharmaceutical packing machine {POWDER INPUT DEVICE FOR A MEDICINE PACKAGE MACHINE}

The present invention relates to a powder injecting device of a pharmaceutical packaging machine, and more particularly, each holder included in the powder injecting device is rotated up and down by a conveying means to reduce the overall volume of the pharmaceutical packaging machine and efficient packaging of powder. It relates to a powder injector of the pharmaceutical packaging machine that can be carried out as.

In general, automatic packaging machines for pharmaceuticals are divided into tablet packing machines for packing pills, powder packing machines for packing powdered medicines, and tablet and powder mixing packing machines for mixing and packing pills and powdered medicines.

The tablet packaging machine collects, packages, and discharges the pills discharged from a plurality of drug cassette devices containing pills of various sizes and shapes (including both tablets and capsules) by a hopper. The powder packing machine transports a certain amount of powder, that is, powdered medicine in a plurality of holders, and then separately packs the powdered medicine contained in the holder and then discharges it. In addition, the tablet and powder mixing packaging machine is configured to be implemented by integrating the functions of the above-described tablet packaging machine and the powder packaging machine.

Among them, a powder packing machine, a tablet and a powder mixing packing machine are provided with a powder feeding device for dividing and storing the powdered powder once before packing the powdered powder in powder form.

1 shows an example of a tablet and powder mixing packaging machine equipped with a conventional powder injecting device. As shown in FIG. 1, a conventional tablet and powder mixing packaging machine includes a tablet injector 2 and a powder injector 3, which are respectively installed on an upper portion of the body 1, and inside the body 1. A printing apparatus 5 installed to print various information on the surface of the hopper 4 for collecting the medicines introduced through the tablet input device 2 and the powder input device 3 and the wrapping paper 7 for packaging the medicine. And a packaging device 6 for wrapping the medicine collected by the hopper 4 with the wrapping paper 7.

2 is a plan view of a conventional powder injector 3, and FIG. 3 is a side view showing a conventional powder injector 3 installed inside a tablet and powder mixing packaging machine. 4 and 5 are a perspective view and a cross-sectional side view for explaining the opening and closing method of the powder holder included in the conventional powder input device (3).

As shown in FIGS. 2 and 3, a conventional powder dispensing device 3 is partitioned by a partition wall 12 and has a powder holder in which a plurality of storage spaces 13 for storing powder 8 are arranged in a row. A plurality of opening / closing doors 14 installed at the lower part of the body part 11 and the powder holder body part 11 for opening and closing each storage space 13, and protruding to one side of the opening / closing door 14; Protruding portion 15 is formed, and the rail 16 and the roller 17 is provided on the side of the powder holder body portion 11 to guide the linear movement of the powder holder body portion (11).

As shown in FIG. 4 and FIG. 5, the opening / closing door 14 is kept closed by the magnet 18. When the opening / closing door 14 is rotated by applying an external force to the protrusion 15, the lower portion of the storage space 13 is configured to be opened.

Conventional powder injecting device (3) made in this way is packaged by one dose of powder in the following manner. That is, the powder holder body 11 is linearly moved by the rail 16 and the roller 17 in a state where the powder 8 for one dose is accommodated in each storage space 13.

At this time, the opening protrusion 9 is installed above the hopper 4 installed inside the body 1 of the tablet and powder mixing packaging machine. When the powder holder body 11 linearly moves and the protrusion 15 formed in the opening / closing door 14 is caught by the opening protrusion 9, the opening / closing door 14 is configured to open.

As described above, while the powder holder body 11 is linearly moved in the right direction as shown in FIG. 1, the powder packaging is performed by sequentially opening and closing the door 14.

Therefore, in the related art, in order to increase the number of storage spaces 13 in order to increase the packaging operation speed, the length of the powder holder body portion 11 may be increased. If the powder holder body portion 11 is long, the powder holder body portion 11 needs to be sacrificed for efficient use of space since the space required for the linear movement of the powder holder body portion 11 increases in size and the size of the entire device is inevitably increased.

The present invention for solving the above problems, the powder contained in the powder injecting device to turn the powder by turning each holder in turn while transporting each holder up and down by the conveying means for each holder containing the powder by one dose It is to provide a powder injector of a pharmaceutical packaging machine that can be packaged.

According to the present invention for achieving the above object, there is provided a powder dispensing device is installed in the pharmaceutical packaging machine to package the powder, a plurality of powder holder is formed with a storage space for storing the powder per dose; A transfer unit for mounting the plurality of powder holders in a row and rotating the feed in a vertical direction; An opening and closing unit for selectively opening and closing the powder holder; It includes, and the powder feeder is provided by the transfer unit to rotate the powder holder up and down while transporting the powder holder in sequence to drop the powder by one dose to be packaged.

It is preferable that the powder holder has an opening that is open toward the upper side, and the opening and closing unit has an opening and closing member that is in close contact with the opening of the powder holder and can close the opening.

The transfer unit includes a pair of rotary shafts and a conveyor member that rotates between the pair of rotary shafts, wherein the plurality of powder holders are arranged in a row on an outer surface of the conveyor member.

The opening / closing unit is in close contact with an upper portion of the powder holder to close the opening and closing member, and the opening / closing member between a forward position for closing the opening and a retracted position for opening the opening. It is preferable to include the linear movement means for linear reciprocating movement.

The opening / closing member and the linear movement means are radially disposed on one side rotation shaft of the transfer unit so that the powder holder and the opening / closing member rotated up and down by the transfer unit having a pair of rotation shafts can rotate at the same speed. It is preferable to install.

The linear movement means preferably includes a bearing attached to the end of the opening and closing member, and a cam member to which the bearing is driven. In this case, the linear movement means may further include a bracket for radially arranging the opening and closing member, and an elastic member interposed compressively between the bracket and the bearing.

The cam member includes a retraction section for allowing the opening and closing member to be positioned in a retracted state, a variable section for allowing the opening and closing member to move forward gradually, and a forward section for allowing the opening and closing member to be positioned in a forward state. As the bearing rotates along the cam member, the opening and closing member may be advanced while compressing the elastic member or retracted by the elastic restoring force of the elastic member.

Further, the linear movement means preferably includes a nut member attached to the end of the opening and closing member, a ball screw and a motor for advancing and retracting the nut member. In this case, the linear movement means may further include a bracket for radially arranging the nut member, a guide groove and a guide member installed on an outer surface of the bracket to guide the linear movement of the nut member.

The powder holder is preferably detachably coupled to the transfer unit. In this case, the transfer unit includes a conveyor member that rotates between a pair of rotation shafts, the coupling member is formed in the conveyor member and the coupling groove is formed in the powder holder, so that the powder holder is detachable to the conveyor member. Can be combined.

According to the present invention as described above, each holder is contained in the powder input device, and each holder to receive the powder by one dose, and rotated up and down by the transfer means, each holder in turn can be packaged by dropping the powder A powder injector for a pharmaceutical packaging machine is provided.

Therefore, according to the present invention, it is possible to reduce the overall volume of the pharmaceutical packaging machine and to efficiently carry out packaging of the powder.

EMBODIMENT OF THE INVENTION Hereinafter, the powder input device of the pharmaceutical packaging machine which concerns on preferable embodiment of this invention is demonstrated in detail with reference to drawings.

6 and 7 show a front view and a side view of the main part of the powder feeding device according to the first preferred embodiment of the present invention, and FIG. 8 shows the opening and closing included in the powder feeding device according to the first preferred embodiment of the present invention. A plan view of the cam member as the means for moving the member is shown. 9 is a perspective view for explaining the operation of the powder dispensing apparatus according to the first preferred embodiment of the present invention.

As shown in FIG. 6 and FIG. 7, the powder input device according to the first embodiment of the present invention includes a plurality of powder holders 30 in which a storage space 31 for storing powder is formed, and a plurality of these powder holders. And a transfer unit 40 for successively mounting the powder holder 30, and an opening and closing unit 50 for selectively opening and closing the powder holder 30 by the opening / closing member 51. .

Unlike the prior art in which a plurality of storage spaces are formed in one powder holder body, the present invention is configured such that the plurality of powder holders 30 are arranged in a row. Each powder holder 30 has a substantially rectangular parallelepiped shape and an opening is formed only in the upper portion. Around the opening of the powder holder 30, as shown in FIGS. 6 and 9, it is made to have a semi-circular shape to form a sharp mountain shape with the adjacent powder holder 30. In addition, the opening / closing member 51 may be in close contact with the opening of the powder holder 30 having a semi-circular shape, so that the storage space 31 may be sealed.

The conveying unit 40 may consist of, for example, a pair of rotary shafts 41 (only one rotary shaft is shown in FIG. 6) and a conveyor member 43 which rotates in an orbital manner between these rotary shafts 41. have. The powder holders 30 are arranged in close contact with each other on the outer surface of the conveyor member 43.

When the powder holder 30 is rotated along the rotating shaft 41 together with the conveyor member 43, if the opening formed in the upper portion of the powder holder 30 is open, the powder holder 30 is placed in the storage space 31 of the powder holder 30. There is a possibility that the stored powder may spill out as it is. In order to prevent this, according to the first embodiment of the present invention, an opening and closing unit 50 capable of selectively opening and closing the opening of the powder holder 30 is provided.

The opening / closing unit 50 is in close contact with the upper part of the powder holder 30 to open and close the rod-shaped opening and closing member 51 and the opening position and the opening for closing the opening of the powder holder 30. And linear moving means for linearly reciprocating the opening / closing member 51 between the retracted positions.

As shown in FIG. 6, according to the first embodiment of the present invention, the opening / closing member (so that the powder holder 30 and the opening / closing member 51 rotated around the rotating shaft 41 can rotate at the same speed). 51 and the linear movement means are radially installed on the rotation shaft 41 of the transfer unit 40. Therefore, as the linear movement means radially installed on the rotation shaft 41 linearly reciprocates the opening and closing member 51, the opening and closing member 51 can selectively open and close the opening of the powder holder 30 without errors. .

As shown in FIG. 7, in the first embodiment, the linear movement means includes a bracket 53 and a switching member 51 for radially arranging the rod-shaped opening and closing member 51 on the rotation shaft 41. Bearing 54 attached to the end of the < RTI ID = 0.0 >) < / RTI > and an elastic member 55 such as a coil spring interposed compressably between the bracket 53 and the bearing 54, and the cam member 56 to which the bearing 54 is driven. ).

As shown in FIG. 8, the cam member 56 includes a retracting section 56a for allowing the opening and closing member 51 to be positioned in a retracted state, and a variable section for allowing the opening and closing member 51 to progressively advance. 56b), and the forward section 56c for allowing the opening and closing member 51 to be positioned in the forward state.

Since the bearing 54 rotates along the cam member 56 made as described above, the opening and closing member 51 is advanced while compressing the elastic member 55 or retracted by the elastic restoring force of the elastic member 55. Can be.

Referring to FIG. 6, the opening of the powder holder 30 should be able to open on the hopper 21, even if the powder holder 30 is turned upside down after the powder has been received until it is placed on the hopper 21. Should not be opened. Therefore, the shape of the cam member is determined so that the opening and closing member 51 can move as follows. That is, the opening and closing member 51 is gradually advanced between the 12 o'clock and 2 o'clock directions to close the opening before the powder holder 30 is overturned, and the hopper at the 3 o'clock position in which the powder holder 30 starts to overturn. The opening / closing member 51 fully advances and keeps the opening closed until just before the 6 o'clock position in which the 21 is positioned. As soon as the opening and closing member 51 reaches the 6 o'clock direction, the opening and closing member 51 retreats momentarily and opens. After the opening, the retracted state is maintained until the 12 o'clock direction is reached in order to prevent interference with the transfer unit 40.

Above the powder feeder of the present invention, a powder delivery device 22 for temporarily accommodating the powder and delivering the powder to the powder feeder is disposed.

The powder delivery device 22 temporarily receives the powder, and then delivers the powder to the powder holder 30 which is opened and positioned below, so that the powder is supplied to the storage space 31 of each powder holder 30 once. It is a device that can be accommodated. The powder delivery device 22 may be used in any configuration conventionally used and does not limit the present invention, and thus a detailed description thereof will be omitted.

10 and 11 show main and front views of a main part of a powder dispensing apparatus according to a second preferred embodiment of the present invention. 10 and 11, in the powder input device according to the second embodiment, a plurality of powder holders 30 in which a storage space 31 for accommodating powder is formed are formed, as in the first embodiment described above. And a conveying unit 40 for successively mounting the plurality of powder holders 30 and rotating and feeding them in the vertical direction, and an opening / closing unit 60 for selectively opening and closing the powder holders 30.

The powder feeder of the second embodiment has a difference from the powder feeder of the first embodiment only in the opening / closing unit 60 (more specifically, the linear movement means of the opening / closing unit). The differences are explained mainly.

The opening / closing unit 60 of the powder dispensing apparatus according to the second embodiment is a rod-shaped opening / closing member 61 which is in close contact with the upper part of the powder holder 30 and can close the opening, and the opening of the powder holder 30. And linear moving means for linearly reciprocating the opening / closing member 61 between a forward position for closing the retracted position and a retracted position for opening the opening.

As shown in FIG. 11, according to the second embodiment of the present invention, the opening / closing member (so that the powder holder 30 and the opening / closing member 61 rotated and conveyed around the rotating shaft 41 can be rotated at the same speed). 61 and the linear movement means are radially installed on the rotation axis 41 of the transfer unit 40.

As shown in FIG. 11, in this 2nd Embodiment, the linear movement means has the nut member 63 attached to the edge part of the rod-shaped opening-closing member 61, and this nut member 63 rotates the rotating shaft 41. As shown in FIG. Bracket 64 for radial placement on the rod, ball screw 65 and motor 66 for advancing and retracting the nut member 63, and the bracket for guiding linear movement of the nut member 63. The guide groove 67 and the guide member 68 provided in the outer side surface of 64 are included.

According to the second embodiment, the opening / closing member 61 is moved forward and backward by the interaction of the ball screw 65 and the nut member 63 by driving the motor 66 according to an instruction from a controller (not shown). It is possible to selectively move between positions. At this time, it is preferable that the advancement and the retraction of the opening and closing member are made in the same manner as in the above-described first embodiment.

Moreover, if the opening / closing member 61 can be moved linearly, in addition to the nut member 63 and the ball screw 65 shown in the figure, 2nd Embodiment which looked at using drive means, such as a hydraulic cylinder, a pneumatic cylinder, a solenoid, will be used. May be modified.

Thus, according to the present invention, since each powder holder 30 is rotated up and down together with the conveyor member 43, there is no need to secure unnecessary empty space in the left and right directions as in the prior art. Therefore, the size of the entire apparatus can be reduced as compared with the conventional art, or the powder holder of approximately twice the size can be installed in the same space as the conventional art, and the productivity can be greatly improved.

In addition, the powder holder 30 of the present invention may be configured to be separated from the conveyor member 43 of the transfer unit 40, as shown in FIGS. 12 and 13. The powder holder 30 that can be separated from the conveyor member 43 is preferable because the storage space 31 can be cleaned more easily.

In order to detachably couple the conveyor member 43 and the powder holder 30 to each other, the conveyor member 43 is provided with a coupling protrusion 45 extending in the width direction, and the bottom of the powder holder 30 is formed at the bottom thereof. A coupling groove 33 into which the coupling protrusion 45 is inserted may be formed. 12 and 13 show that the projection is formed in the conveyor member 43 and the groove is formed in the powder holder 30. According to the present invention, the groove is formed in the conveyor member 43 and the powder holder 30 is formed. The protrusions may be changed to form.

The shape of the coupling protrusion 45 and the coupling groove 33 preferably has a shape corresponding to each other. In addition, in order to prevent the powder holder 30 from being accidentally detached from the conveyor member 43 when the coupling protrusion 45 and the coupling groove 33 are coupled, the shape of the coupling protrusion 45 and the coupling groove 33 is prevented. 12 preferably has an inverted trapezoidal shape (i.e., a shape where the length of the distal side is longer than the length of the side adjacent to the conveyor member 43 of the engaging projection 45).

In addition, the powder dispensing apparatus according to the first and second embodiments of the present invention, as shown in Figure 1 can be configured tablet and powder mixing packaging machine together with a tablet dispensing apparatus, a hopper, a printing apparatus, and a packaging device, etc. Of course.

As mentioned above, the gear unit of the motor for a medicine cassette device and the medicine cassette device having the gear unit according to the present invention have been described with reference to the illustrated drawings, but the present invention is not limited to the embodiments and drawings described above. And, of course, various modifications and variations can be made by those skilled in the art within the scope of the claims.

1 is a schematic front view of a tablet and powder mixing packaging machine equipped with a conventional powder injector,

2 is a plan view of a conventional powder dispensing apparatus,

Figure 3 is a side view showing a conventional powder injector is installed inside the tablet and powder mixing packaging machine,

Figure 4 is a perspective view for explaining the opening and closing method of the powder holder included in the conventional powder dispensing apparatus,

Figure 5 is a side cross-sectional view for explaining the opening and closing method of the powder holder included in the conventional powder input device,

6 is a front view of an essential part of a powder dispensing apparatus according to a first preferred embodiment of the present invention;

7 is a side view of an essential part of a powder dispensing apparatus according to a first preferred embodiment of the present invention;

8 is a plan view of a cam member as a moving means of the opening and closing member included in the powder dispensing apparatus according to the first preferred embodiment of the present invention;

9 is a perspective view for explaining the operation of the powder dispensing apparatus according to the first preferred embodiment of the present invention;

10 is a front view of an essential part of a powder dispensing apparatus according to a second preferred embodiment of the present invention, and

11 is a side view of an essential part of a powder dispensing apparatus according to a second preferred embodiment of the present invention;

12 is a side view showing a powder holder and a transfer unit according to a modification of the present invention, and

13 is a side view showing a powder holder according to a modification of the present invention.

<Description of the reference numerals for the main parts of the drawings>

30: powder holder 31: storage space

33: coupling groove 40: transfer unit

41: rotating shaft 43: conveyor member

45: engaging projection 50, 60: opening and closing unit

51, 61: opening and closing member 53, 64: bracket

54 bearing 55 elastic member

56 cam member 63 nut member

65: ball screw 66: motor

67: guide groove 68: guide member

Claims (12)

A powder input device installed in a pharmaceutical packaging machine to package powders, A plurality of powder holders in which a storage space for storing the powders once is formed; A transfer unit for mounting the plurality of powder holders in a row and rotating the feed in a vertical direction; An opening and closing unit for selectively opening and closing the powder holder; It includes, The powder injection device characterized in that the powder holder is turned upside down by the transfer unit while the powder holder is rotated up and down in sequence to drop the powder by one dose. The method according to claim 1, The powder holder has an opening that is open toward the upper side, and the opening and closing unit is in close contact with the opening of the powder holder has an opening and closing member capable of closing the opening. The method according to claim 1, The conveying unit includes a pair of rotary shafts and a conveyor member that rotates between the pair of rotary shafts, wherein the powder holders are arranged in a row on an outer surface of the conveyor member. Device. The method according to claim 1, The opening / closing unit is in close contact with an upper portion of the powder holder to close the opening and closing member, and the opening / closing member between a forward position for closing the opening and a retracted position for opening the opening. A powder dispensing device comprising a linear movement means for linear reciprocating movement. The method according to claim 4, The opening / closing member and the linear movement means are radially disposed on one side rotation shaft of the transfer unit so that the powder holder and the opening / closing member rotated up and down by the transfer unit having a pair of rotation shafts can rotate at the same speed. Powder input device, characterized in that installed as. The method according to claim 4, The linear movement means includes a bearing attached to the end of the opening and closing member, and a cam member to which the bearing is driven. The method according to claim 6, The linear movement means further comprises a bracket for radially arranging the opening and closing member, and an elastic member interposed compressionly between the bracket and the bearing. The method according to claim 7, The cam member includes a retraction section for allowing the opening and closing member to be positioned in a retracted state, a variable section for allowing the opening and closing member to move forward gradually, and a forward section for allowing the opening and closing member to be positioned in a forward state. Lose, And the opening and closing member may be advanced while compressing the elastic member or retracted by the elastic restoring force of the elastic member as the bearing rotates along the cam member. The method according to claim 4, The linear movement means comprises a nut member attached to the end of the opening and closing member, a ball screw and a motor for advancing and retracting the nut member. The method according to claim 9, The linear movement means further comprises a bracket for radially arranging the nut member, a guide groove and a guide member installed on an outer surface of the bracket for guiding the linear movement of the nut member. Dosing device. The method according to claim 1, And the powder holder is detachably coupled to the transfer unit. The method according to claim 11, The transfer unit includes a conveyor member that rotates between a pair of rotating shafts, wherein the conveyor member has a coupling protrusion formed therein, and the powder holder has a coupling groove formed therein so that the powder holder can be detachably coupled to the conveyor member. Powder input device, characterized in that it can.

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