WO2018128190A1 - 錠剤分割装置 - Google Patents
錠剤分割装置 Download PDFInfo
- Publication number
- WO2018128190A1 WO2018128190A1 PCT/JP2018/000070 JP2018000070W WO2018128190A1 WO 2018128190 A1 WO2018128190 A1 WO 2018128190A1 JP 2018000070 W JP2018000070 W JP 2018000070W WO 2018128190 A1 WO2018128190 A1 WO 2018128190A1
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- WIPO (PCT)
- Prior art keywords
- tablet
- rotation transmission
- transmission shaft
- cutting
- cassette
- Prior art date
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61J—CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
- A61J7/00—Devices for administering medicines orally, e.g. spoons; Pill counting devices; Arrangements for time indication or reminder for taking medicine
- A61J7/0007—Pill breaking or crushing devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
- B26D1/01—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work
- B26D1/04—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member
- B26D1/06—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member wherein the cutting member reciprocates
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D3/00—Cutting work characterised by the nature of the cut made; Apparatus therefor
- B26D3/30—Halving devices, e.g. for halving buns
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07F—COIN-FREED OR LIKE APPARATUS
- G07F11/00—Coin-freed apparatus for dispensing, or the like, discrete articles
- G07F11/66—Coin-freed apparatus for dispensing, or the like, discrete articles in which the articles are dispensed by cutting from a mass
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07F—COIN-FREED OR LIKE APPARATUS
- G07F17/00—Coin-freed apparatus for hiring articles; Coin-freed facilities or services
- G07F17/0092—Coin-freed apparatus for hiring articles; Coin-freed facilities or services for assembling and dispensing of pharmaceutical articles
Definitions
- the present invention relates to a tablet dividing device that cuts a tablet and divides it into several tablet fragments. More specifically, the present invention relates to a medicine packaging machine equipped with a number of tablet feeders that randomly store and sequentially discharge a large number of tablets. The present invention relates to a tablet dividing apparatus suitable for being mounted on a base portion to which a tablet cassette which is a detachable portion of a feeder is mounted.
- a tablet dividing apparatus there is one that is automated to some extent apart from a manual one (see, for example, Patent Documents 1 to 7).
- a tablet feeder for randomly storing and sequentially discharging a large number of tablets is also provided.
- the required tablet cutting pieces are supplied in a timely manner.
- Some of them are used by being mounted on a medicine packaging machine (see, for example, Patent Documents 1 and 2), and some others are used independently of the medicine packaging machine (for example, patents). Reference 3-7).
- Some cutting mechanisms use advancing / retracting blades (for example, see Patent Documents 1 to 3, 4 to 7) and those using a rotating blade (for example, see Patent Document 3).
- the tablet feeder when seeing how to combine such a cutting mechanism and a tablet feeder, includes a feeder base (base portion) including a drive member such as an electric motor, and a removable tablet cassette including a passive member. .
- a feeder base base portion
- a drive member such as an electric motor
- a removable tablet cassette including a passive member.
- a tablet feeder in which a tablet cassette and a feeder base are normally mounted on a medicine packaging machine are used.
- the base part is diverted.
- the cutting mechanism is made into a separate unit, and is mounted on the medicine packaging machine in a mode in which it is stored in the empty space after taking out the other tablet feeders directly under the tablet feeder storage or in the tablet feeder storage, and the corresponding upstream
- the tablet feeder is connected to the tablet guide pipe. Even in this type, the tablets dropped and discharged one by one from the tablet cassette are dropped to the cutting mechanism after passing through the base portion of the feeder.
- Japanese Patent Laid-Open No. 11-226088 Japanese Patent Laid-Open No. 11-226089 JP 2011-83357 A JP 2011-97969 A JP 2012-29800 A JP 2012-179127 A JP 2013-039236 A
- the conventional medicine dividing machine-equipped type tablet dividing apparatus is convenient to be incorporated directly under the tablet feeder hangar, etc., because the assembling unit having a driving member attached to the cutting mechanism has a horizontally long shape.
- the tablet dividing device is incorporated in the tablet feeder storage, one assembling unit occupies the mounting space of two adjacent tablet cassettes. For this reason, three cassette mounting spaces including the unit for incorporation and the tablet cassette that is the supply source of the tablet to be divided are consumed for mounting one tablet dividing apparatus.
- the number of tablet dividing devices mounted in the warehouse increases, the number of normally used tablet cassettes, and hence the types of tablets that can be automatically packaged, will suddenly decrease.
- An object of the present invention is to provide a tablet dividing apparatus that can be compactly mounted on a tablet cassette mounting portion of a medicine packaging machine.
- the tablet dividing device of the present invention was created to solve such problems.
- the tablet dividing device of the present invention is provided next to a tablet guide mechanism that receives a dropped tablet and guides the tablet to a cutting position, a cutting mechanism that cuts the tablet at the cutting position, and a cutting mechanism.
- the tablet dividing device of the present invention is housed in a tablet packaging machine having a plurality of tablet cassettes that drop and discharge a plurality of tablets one by one from a tablet discharge section by rotating a rotor that aligns a plurality of randomly stored tablets. The tablet that has been dropped from the corresponding tablet cassette is divided.
- the box is provided with a rotation transmission shaft extending in the vertical direction and a rotation transmission mechanism for operating the movable part of the tablet guide mechanism by the rotation of the rotation transmission shaft.
- the box has a lower part on the base part of the tablet feeder for the tablet cassette and an upper part on which the tablet cassette is placed.
- the upper portion is provided with a through-hole exposing the upper end portion of the rotary transmission shaft and a tablet receiving portion for receiving a tablet discharged from the tablet discharge portion.
- the lower end portion of the rotary transmission shaft is exposed from the lower portion of the box body, and a tablet cutting piece sending section for sending a plurality of tablet cutting pieces formed by cutting the tablet by a cutting mechanism is provided at the lower portion. Yes.
- the lower end portion of the rotation transmission shaft is connected to the drive shaft of the base portion so as to be capable of rotation transmission, and the tablet cutting piece delivery hole of the tablet guide mechanism is the tablet in the base portion. Connected to the receiving part. Then, by placing the tablet cassette on the box, the upper end portion of the rotation transmission shaft is connected to the rotor in the tablet cassette so as to be capable of rotation transmission, and the tablet receiving hole of the tablet guide mechanism is connected to the tablet discharge portion of the tablet cassette. Connected.
- the box body storing the cutting mechanism or the like can be inserted between the tablet cassette and the base portion of the tablet feeder, so that the tablet cassette is short. If it is adopted, not only the tablet cassette but also the cutting mechanism and the like can be mounted on the tablet cassette mounting portion of the medicine packaging machine, so that compact mounting can be realized. In addition, since the tablet cutting is performed below the tablet cassette, dust or chips generated accompanying the cutting are not attached to the inner surface of the tablet cassette or clogged in the tablet alignment section. The performance degradation that is a concern depending on the mounting mode of the cutter blade is also avoided.
- the tablet guide mechanism includes a disk-shaped rotating body having a plurality of dents formed in the peripheral portion as a movable portion.
- the disk-shaped rotator may be connected to the rotation transmission shaft via a rotation transmission mechanism so as to be capable of rotation transmission, and may be moved by holding the received tablet in the recess and rotating.
- the tablet since the tablet is carried in the recess formed in the peripheral portion of the disk-shaped rotating body, the tablet can be received, moved, and delivered simply by rotating the disk-shaped rotating body.
- the tablet can be accurately set in a stable state at the cutting position without impacting the tablet.
- the disk-shaped rotating body is connected to the rotation transmission shaft via a rotation transmission mechanism, a dedicated rotation driving means is unnecessary, and even in such a case, the rotation load of the disk-shaped rotating body is light. No need to reinforce the base.
- the virtual center line passing through the center of rotation of the disk-shaped rotating body extends in a direction orthogonal to the axis of the rotation transmission shaft, and the rotation transmission mechanism located between the rotation transmission shaft and the disk-shaped rotating body is: It preferably comprises a bevel gear mechanism. Since the bevel gear mechanism is simple in structure and light in weight, it does not require reinforcement of the base portion.
- the rotation transmission ratio from the rotation transmission shaft to the rotor of the tablet cassette and the rotation transmission ratio from the rotation transmission shaft to the disk-shaped rotating body are the tablet discharge of the tablet cassette and the disk-shaped rotation body. Are associated with each other so as to synchronize with the reception of the dent tablet.
- the tablet delivery timing from the tablet cassette to the tablet guide mechanism is smoothly performed by synchronizing the tablet discharge timing of the tablet cassette and the tablet receiving timing of the dent of the disk-shaped rotating body.
- such synchronization is simply realized by realizing the correspondence between the rotational transmission ratios from the rotational transmission shaft to the rotor and the disk-shaped rotating body.
- the tablet guide mechanism has a rotating body storage unit that rotatably receives the disk-shaped rotating body and an opening / closing plate.
- the open / close plate is arranged below the disc-shaped rotating body and is in a closed state to prevent the tablet from falling from the recess when the tablet comes to the cutting position.
- a plurality of tablets The cut piece is opened to allow it to fall into the tablet cut piece delivery section.
- the cutting mechanism can employ a structure composed of a movable blade driven by a drive mechanism and a fixed blade opposed to the movable blade with a tablet held in the recess of the disc-shaped rotating body in between.
- the drive mechanism has a drive rotation shaft that has an axis line that extends in parallel to a virtual line extending in a direction orthogonal to the axial direction of the rotation transmission shaft and is positioned on the opposite side of the fixed blade with the rotation transmission shaft in between.
- a cam fixed to the drive rotation shaft and a follower moved by the cam are provided.
- the cam and the follower have a structure in which the movable blade positioned on the opposite side of the drive transmission shaft is moved in a direction toward and away from the fixed blade. ing. If this structure is adopted, parts constituting the cutting mechanism can be arranged on both sides of the rotary transmission shaft, so that the area occupied by the cutting mechanism in the box can be reduced.
- the opening / closing plate is configured to be driven by a drive mechanism in synchronization with the movement of the movable blade. If it does in this way, a drive mechanism can be utilized as a drive source of an opening-and-closing plate.
- the height of the assembly constructed by placing the tablet cassette on the box is the height of the standard tablet cassette (tablet cassette that cannot be combined with the tablet splitting device) placed on the base of the tablet packaging device.
- the height dimensions of the box and the tablet cassette are determined so as to be less than the dimensions. If it does in this way, the tablet splitting device which can be used for the existing tablet packaging machine can be provided.
- Example 1 shows the structure of a tablet dividing device according to Example 1 of the present invention, in which (a) is a separated tablet cassette, a tablet dividing device, and a front view of a base, and (b) is a mounted tablet cassette and a tablet.
- segmentation apparatus and a base part, (c) is a top view of the tablet cassette which cut out the top plate part of a box.
- (A) is AA arrow sectional drawing of a tablet dividing device,
- (b) is BB arrow sectional drawing of a tablet dividing device.
- It is a schematic diagram of the chemical
- FIG. 1 It is sectional drawing of an example of the specific structure of a cutting mechanism, the tablet guide mechanism containing a disk-shaped rotary body, a rotation transmission mechanism, and a rotation linear conversion part. It is a disassembled perspective view of the specific Example of the principal part of a cutting mechanism and a drive mechanism. (A) And (b) is a figure used in order to demonstrate operation
- FIGS. 4 to 7 are views showing a detailed structure of some members used in the embodiment of FIGS. 1 to 3.
- FIGS. 1 to 3 for the sake of simplification and the like, fasteners such as bolts, coupling tools such as hinges, transmission members such as gears and timing belts, electric circuits such as motor drivers, controllers, etc.
- the electronic circuits and the like are not shown in the figure, and are shown mainly for those necessary and related to the explanation of the invention. 4 to 7, the same reference numerals as those shown in FIGS. 1 to 3 are given to the portions used in the description of the embodiment shown in FIGS. Further, in FIG. 5 and the like, hatching indicating a cross section is added to a main part necessary for explanation.
- FIG. 1A is a front view of the tablet cassette 20, the tablet dividing device 30, and the base portion 13 in a separated state.
- FIG. 1B is a front view of the tablet cassette 20, the tablet dividing device 30, and the base portion 13 in the mounted state.
- FIG. 1C is a plan view of the tablet dividing device 30 in which the upper wall portions of the two boxes 31 and 32 are cut off.
- 2 (a) is a cross-sectional view taken along the line AA of the tablet dividing device 30 of FIG. 1 (c)
- FIG. 2 (b) is a cross-sectional view taken along the line BB of the tablet dividing device 30 of FIG. 1 (c).
- FIG. 3 is a schematic diagram of the medicine packaging machine 10 in which a large number of standard tablet cassettes 16 and a plurality of tablet dividing devices 30 are mounted in the tablet feeder storage 11.
- FIG. 4 is an exploded perspective view of the actual tablet cassette 20.
- the tablet cassette 20 has basically the same structure as a normal standard tablet cassette 16 mounted in the tablet feeder storage 11 in the medicine packaging machine 10, but the shape of the lower end portion of the rotor 21 and the tablet discharge portion 23. Is modified so as to fit not the base portion 13 but the upper structure of the box 31 for the operating portion. Further, the tablet cassette 20 is lower in height than the standard tablet cassette 16, and accordingly, the number of tablets accommodated above the partition plate 22 is reduced.
- the tablet dividing device 30 (see FIGS. 1 (a) and (b)) will be described first with a schematic configuration based on the purpose of use.
- the tablet dividing device 30 according to the present embodiment is for mounting on the medicine packaging machine 10 in a manner to replace the normal standard tablet cassette 16 shown in FIG.
- the tablet dividing device 30 is attached to and detached from two adjacent base portions 13 and 13 [FIGS. 1 (a) and (b)] provided on the shelf 12 of the tablet feeder storage 11 of the medicine packaging machine 10. It is designed to be used and attached to it.
- the tablet dividing device 30 is configured such that a dedicated tablet cassette 20 can be attached and detached thereon.
- the tablet dividing device 30 receives a tablet dropped from the tablet discharge portion 23 of the loaded tablet cassette 20 from the tablet receiving portion 63 [FIG. 2 (b)], and cuts it into the cutting mechanism 50 [FIG. 1 (c)]. After cutting into two half tablets (plural tablet fragments), the half tablets are dropped one by one onto the tablet trim piece receiving portion 15 [FIG. 1 (a)] of the base portion 13. . Further, in the present embodiment, the total height dimension of the assembly in which the tablet cassette 20 is stacked on the tablet dividing device 30 substantially matches the height dimension of a normal tablet cassette (standard tablet cassette) 16 (or It becomes).
- the tablet dividing device 30 receives the tablet 5 that has dropped from the tablet discharge unit 23 of the tablet cassette 20 into the tablet receiving unit 63 and receives the open / close plate 65 below the cutting position of the tablet 5 [FIG. 2 (b), FIG. 5] a tablet guide mechanism 60 that leads upward, a cutting mechanism 50 that cuts the tablet 5 at the cutting position, a drive mechanism 70 that is provided beside the cutting mechanism 50 and that drives the cutting mechanism 50, The drive mechanism 70, the cutting mechanism 50, the tablet guide mechanism 60, and the actuating portion box 31 storing the drive portion of the drive mechanism 70, and the drive that does not fit in the actuating portion box 31 of the drive mechanism 70.
- a motor box 32 storing a power source and the like, a rotation transmission shaft 40 penetrating vertically through the box 31 for the operating portion, and a rotation transmission mechanism for operating the movable portion of the tablet guide mechanism 60 by the rotation of the rotation transmission shaft 40 80.
- the box 31 for the operating part and the box 32 for the motor may be integrated. In this example, considering the ease of manufacture and maintenance, etc., it is made as a separate body. After the built-in items are stored in the respective boxes 31, 32, the boxes 31, 32 are connected side by side. By connecting the box bodies 31 and 32 next to each other and then storing the built-in objects in the respective box bodies, they can be handled integrally.
- the height of the box 31 for the operating portion is about half that of the normal tablet cassette 16, and the height of the box 32 for the motor is slightly larger than that.
- the box 31 has a lower part 31A that is placed on the base part 13 of the tablet feeder for the standard tablet cassette 16, and an upper part 31B on which the tablet cassette 20 is placed.
- the upper portion 31B has a through-hole 33 exposing the upper end portion 41 of the rotary transmission shaft 40 and a tablet receiving portion 63 [FIG. 2] for receiving the tablet 5 discharged from the tablet discharge portion 23 [FIG. 1 (a), FIG. 5]. (B), FIG. 5] is provided.
- the lower end portion 43 of the rotary transmission shaft 40 is exposed from the lower portion 31A of the box body 31, and the tablet cutting piece delivery for sending out a plurality of tablet cutting pieces formed by cutting the tablet 5 by the cutting mechanism 50 to the lower portion 31A.
- a portion 66 [FIG. 2B, FIG. 5] is provided.
- the lower end portion 43 of the rotary transmission shaft 40 is placed on the spline shaft of the base portion 13 by placing the boxes 31 and 32 on the base portion 13 of the tablet feeder.
- the tablet cutting piece delivery section 66 of the tablet guide mechanism 60 is connected to the tablet cutting piece receiving section 15 of the base section 13 while being connected to the (drive shaft) 14 so as to be capable of rotational transmission.
- the upper end portion 41 of the rotation transmission shaft 40 is connected to the rotor 21 in the tablet cassette 20 so as to be capable of rotation transmission, and the tablet receiving portion 63 of the tablet guide mechanism 60 is provided. It is connected to the tablet discharge part 23 of the tablet cassette 20.
- the rotation transmission shaft 40 is a shaft body that is rotatably supported in an upright state near the center position inside the box 31 for the operating portion (see FIG. 1A and FIG. 5).
- a meshing wall 44 is formed on the inner peripheral surface of the hole that opens to the end surface (see FIG. 2A).
- the lower end portion 43 of the rotation transmission shaft 40 is the same as the lower end portion of the rotor of the standard tablet cassette 16 including the engagement wall 44. Therefore, when the box 31 for the operation part is placed on the base part 13 of the tablet feeder mounted on the medicine packaging machine (see FIGS. 1A and 1B), the hole in the lower end part 43 of the rotary transmission shaft 40 is provided.
- the spline shaft (drive shaft) 14 for driving the tablet cassette of the base portion 13 is fitted into the base portion 13, and the engagement wall 44 of the lower end portion 43 and the spline shaft 14 are engaged with each other.
- the lower end portion 43 of the rotation transmission shaft 40 is connected to the base portion 13 so as to be capable of rotation transmission.
- the upper end portion 41 of the rotary transmission shaft 40 (see FIGS. 1C and 2A) has a plurality of meshing wings 42 protruding radially from the shaft portion in the outer diameter direction (not shown).
- three are formed, and such an upper end 41 includes not only the shaft portion but also the meshing wings 42 and is fitted into the fitting hole 24 at the lower end of the rotor 21 of the tablet cassette 20 in a male-female relationship. is doing. Therefore, when the tablet cassette 20 is placed on the box 31 for the operation part (see FIG. 1B), the rotation transmission shaft 40 is arranged so that the upper end portion 41 of the rotation transmission shaft 40 and the rotor 21 are rotated. The shaft 40 and the rotor 21 are coupled so as to be capable of rotational transmission.
- FIG. 6 is an exploded perspective view of a specific example of the main part of the cutting mechanism 50 and the drive mechanism 70
- FIGS. 7A and 7B illustrate the operation of the cutting mechanism 50 shown in FIG. FIG.
- the cutting mechanism 50 and the drive mechanism 70 will be described below with reference to FIGS. 6 and 7A and 7B, FIGS. 1A to 1C, and FIGS. 2A and 2B.
- the cutting mechanism 50 (see FIGS. 1C, 6 and 7A and 7B) employs a known counter blade method (see Patent Documents 1 and 2), and has a fixed blade 51A.
- a fixed blade unit 51 and a movable blade unit 52 having a movable blade 52A are provided.
- the fixed blade unit 51 is fixed immediately in front of the tablet 5 (see FIG. 1C).
- the movable blade unit 52 is held in a position slightly behind the cutting position of the tablet 5 and in front of the rotation transmission shaft 40 so as to be able to advance and retreat (see FIG. 1C). Then, when the movable blade unit 52 is advanced toward the fixed blade unit 51, the tablet 5 at the cutting position (on the opening / closing plate 65) is cut up and down to be divided into two half tablets (tablet fragments). Further, in any of the units 51 and 52, the height positions of the blades 51A and 52A can be easily adjusted to the tablet 5 by replacing the shims 51B and 52B [FIG.
- the drive mechanism 70 moves the movable blade unit 52 forward and backward during tablet cutting.
- a pair of advancing and retracting portions 71 and 71 holding a movable blade unit 52 having a movable blade 52A at the front end, a motor 73 [FIG. 1 (c)] for rotating the output shaft, and the rotational motion of the motor 73 are linearized.
- a rotation straight line conversion unit 72 that converts to motion and transmits the movement to the advance / retreat units 71 and 71 and a driver 74 that supplies drive power to the motor 73 are provided.
- the advance / retreat parts 71 and 71 are divided into two members and arranged on both sides of the rotational transmission shaft 40.
- the rotational linear converter 72 is installed behind the rotational transmission shaft 40.
- the rotation straight line conversion unit 72 can be embodied by, for example, a combination of a crank and a slider or a combination of a rotating wheel, a link member, and a slider. Note that the opening / closing drive of the opening / closing plate 65 is also performed when the movable blade unit 52 is driven to advance and retract in synchronization with the movement of the advance / retreat unit 71.
- FIG. 5 shows a cross-sectional view of an example of a specific configuration of the cutting mechanism 50, the tablet guide mechanism 60 including the disk-shaped rotating body 61, the rotation transmission mechanism 80, and the rotation linear converter 72
- FIG. FIG. 6 shows an exploded perspective view of a part of the configuration of FIG. 5.
- the tablet guide mechanism 60 starts from the tablet receiving portion 63 and passes through the tablet passage 64, the tablet cutting position, and the opening / closing plate 65 to the tablet cutting fragment sending portion 66.
- a disc-like rotating body 61 provided directly below the tablet receiving portion 63 and facing the tablet passage 64.
- the tablet receiving part 63 is an opening formed in the shape part 31B (top plate part) of the box 31 and is a tablet discharge part 23 of the tablet cassette 20 mounted on the box 31 for the operating part. It communicates with [FIG. 1 (a), FIG. 5].
- the tablet passage 64 [FIG. 2 (b)] is formed about a half circumference along the peripheral edge of the disk-shaped rotating body 61.
- the disk-shaped rotating body 61 (see FIGS. 1 (c), 2 (b), and 6) is a vertically arranged disk in which a plurality of (three in the figure) dents 62 are formed on the peripheral portion at an equal pitch. Has a part.
- a bevel gear 82 (see FIGS. 5 and 6) ”is provided on the rotating shaft 68 of the disk-shaped rotating body 61.
- the bevel gear 82 meshes with a bevel gear 81 attached to the rotation transmission shaft 40 (see FIG. 5). Since the disk-shaped rotating body 61 and the rotation transmission shaft 40 are connected so as to be capable of rotating transmission by this meshing, when the rotation transmission shaft 40 rotates, the disk-shaped rotating body 61 rotates accordingly ( Rotation).
- a virtual center line CL1 passing through the rotation center of the disk-shaped rotating body 61 extends in a direction orthogonal to the axis AL1 of the rotation transmission shaft 40, and the rotation transmission shaft 40, the disk-shaped rotation body 61, and the like.
- the rotation transmission mechanism 80 positioned between the two is a bevel gear mechanism that is a combination of two bevel gears 81 and 82.
- the dent 62 of the disk-shaped rotating body 61 (see FIG. 2B) is formed so that the tablet 5 can be accommodated in the dent 62 with slight play required for taking out the tablet 5.
- the tablet 5 can be received from the tablet receiving portion 63 when the tablet receiving portion 63 is facing upward, and the tablet passage 64 is inclined or laterally facing the tablet passage 64 when the tablet receiving portion 63 is facing upward.
- the tablet 5 continues to be held and is turned downward above the opening / closing plate 65, the tablet 5 is held at the tablet cutting position on the opening / closing plate 65.
- the disc-like rotating body 61 is moved to the tablet cutting position by holding the tablets 5 received from the tablet receiving portion 63 one by one in the respective recesses 62 and rotating.
- the rotational transmission ratio of the rotational motion transmitted from the rotational transmission shaft 40 to the disk-shaped rotating body 61 via the bevel gear 82 and the rotational motion transmitted from the rotational transmission shaft 40 to the rotor 21 of the tablet cassette 20 is appropriately associated with the setting of the ratio of the number of teeth at the meshing location. Specifically, when the rotation transmission shaft 40 rotates by a predetermined angle, the rotation transmission ratio is set so that the rotor 21 rotates by one tablet discharge and the disk-shaped rotating body 61 rotates by one pitch of the recess 62. Has been.
- the tablet discharge timing downward from the tablet discharge portion 23 of the tablet cassette 20 and the timing of receiving the tablet into the recess 62 of the disk-shaped rotating body 61 via the tablet receiving portion 63 are synchronized one-to-one. Delivery of the tablet from the tablet cassette 20 to the dent 62 is performed without waste, not too much and not too little.
- the tablet cutting fragment delivery unit 66 places the box 31 for the operating part of the tablet dividing device 30 on the base unit 13 (see FIG. 1B). Along with this, it is connected to the tablet cutting piece receiving portion 15 of the base portion 13 (see FIG. 1A). As a result, a communication state in which the half tablet can be fed into the tablet cutting fragment delivery unit 66 is established.
- the tablet receiving unit 63 (see FIG. 2B and FIG. 5), when the tablet cassette 20 is placed on the box 31 for the operating unit (see FIG. 1B), the tablet cassette 20 is accompanied accordingly. It connects with the tablet discharge
- the tablet guide mechanism 60 shown in FIG. 6 includes a rotating body storage portion 67 that rotatably receives a disk-shaped rotating body 61 and an opening / closing plate 65.
- the opening / closing plate 65 is disposed below the disk-shaped rotating body 61 so as to prevent the tablet 5 from dropping from the recess 62 when the tablet 5 comes to the cutting position, and the tablet 5 is cut. Then, it will be in an open state so that a plurality of tablet cutting fragments may drop into the tablet cutting fragment delivery unit 66.
- the rotation linear converter 72 of the drive mechanism 70 extends in parallel with a virtual line extending in a direction orthogonal to the axial direction of the rotation transmission shaft 40 and is located on the opposite side of the fixed blade unit 51 with the rotation transmission shaft 40 in between.
- a driving rotary shaft 75 having an axis AL ⁇ b> 2 a cam 76 fixed to the driving rotary shaft 75, and a follower 77 moved by the cam 76 are provided.
- the cam 76 and the follower 77 are arranged in a direction in which the movable blade unit 52 located on the opposite side of the rotation transmission shaft 40 with respect to the drive rotation shaft 75 is brought closer to the fixed blade unit 51 and away from the fixed blade unit 51. It has a structure that moves.
- the pair of advancing / retreating portions 71 are provided integrally with the follower 77. Further, a link mechanism 78 that drives the opening / closing plate 65 in synchronism with the movable blade unit 52 as described above is connected to the drive rotating shaft 75.
- parts constituting the cutting mechanism can be arranged on both sides of the rotary transmission shaft, so that the area occupied by the cutting mechanism in the box can be reduced.
- the motor 73 and the driver 74 shown in FIG. 1C are expensive but can be stored in the box 31 for the operating unit together with the rotating linear conversion unit 72 and the like if an ultra-small one is adopted.
- the one that can be stored in the motor box 32 is employed with an emphasis on the balance between cost and advantage.
- the tablet dividing device 30 When the tablet dividing device 30 is used in the tablet feeder storage 11 of the medicine packaging machine 10 (see FIG. 3), the two base portions 13 and 13 adjacent in the tablet feeder storage 11 are combined into one tablet. It reserves for the dividing device 30, and the tablet dividing device 30 is mounted there (refer FIG. 3, FIG. 1 (a), (b)).
- the drive mechanism 70 including the motor 73 and the movable blade unit 52 driven by the drive mechanism 70 are opened and closed.
- the plate 65 is in a state of operating according to the control of the controller of the medicine packaging machine 10.
- the tablet cassette 20 filled with the tablets is mounted on the box 31 for the operating part of the tablet dividing device 30.
- the tablet discharge portion 23 of the tablet cassette 20 and the tablet receiving portion 63 of the tablet dividing device 30 communicate with each other, and the lower end portion of the rotor 21 and the upper end portion 41 of the rotary transmission shaft 40 are engaged so as to be capable of axial rotation transmission.
- the spline shaft 14 of the base portion 13 and the rotor 21 can transmit shaft rotation via the rotation transmission shaft 40.
- the rotor 21 of the tablet cassette 20 is rotated by the same amount, and the disk-shaped rotating body 61 of the tablet dividing device 30 is rotated. Rotate synchronously.
- the tablet cassette 20 one tablet that has come under the partition plate 22 as the rotor 21 rotates is dropped and discharged from the tablet discharge unit 23, and in the tablet dividing device 30 (see FIG. 2B).
- the tablet 5 is received from the tablet receiving part 63 and is accommodated in the dent 62 which has come under the tablet receiving part 63 as the disk-shaped rotating body 61 rotates. Further, the tablet 5 is moved through the arc-shaped tablet passage 64 by the movement of the recess 62 accompanying the rotation of the disk-shaped rotating body 61 and is carried to the tablet cutting position on the open / close plate 65 in the closed state.
- the motor 73 operates according to the controller control, and thereby the advance / retreat unit 71 moves forward.
- the movable blade unit 52 advances and the open / close plate 65 opens by the advancement of the advance / retreat unit 71, so that the tablet at the cutting position is divided into upper and lower half tablets (tablet fragments), and the lower half tablet is sent to the tablet fragments.
- the upper half lock stays on the movable blade unit 52 while dropping from the portion 66.
- the motor 73 operates without operating the spline shaft 14 or the like under the control of the controller, thereby moving the movable blade unit 52 together with the advance / retreat unit 71, so that it remains.
- the upper half tablet is dropped and discharged from the tablet cutting piece delivery unit 66, and then the opening / closing plate 65 is closed.
- the sequential discharge of the half-tablets is performed twice, and after that, the necessary number of half-tablets (tablet fragments) are provided one by one at an appropriate timing.
- the tablet cassette 20 When the tablet cassette 20 becomes empty after such half-tablet sequential discharge, the tablet cassette 20 is removed from the tablet dividing device 30 and replenished with tablets, and the tablet cassette 20 containing the tablets is placed in the tablet dividing device 30. If it is remounted, the medicine packaging machine 10 can be restarted.
- the tablet dividing device 30 is removed from the tablet dividing device 30 or the tablet dividing device 30 is mounted on the tablet dividing device 30. It can be simply and quickly performed by removing it from the base portion 13 and performing necessary work and then reattaching it to the base portion 13 in the reverse order.
- the cable related to the driver 74 is directly connected to the power supply of the medicine packaging machine 10 or the like, but it may be connected indirectly. For example, if there is an unused wire in the cable preliminarily laid between the power supply or the like and the base portion 13 inside the medicine packaging machine 10, it can be diverted or increased by adding or replacing the cable. Then, the connection of the usable electric wire can be established in advance between the power source of the medicine packaging machine 10 and the base portion 13 on which the motor box 32 is to be mounted. Furthermore, the terminals of each usable electric wire are arranged at the upper end portion of the base portion 13, and the electric wire terminals according to the driver 74 are arranged at the lower end portion of the motor box 32. The motor 73 can be operated along with the mounting on the adjacent base portions 13 and 13.
Abstract
Description
本実施の形態の錠剤分割装置30について、その使用態様及び動作を説明する。
上記実施例では、ドライバ74に係るケーブルを直接的に薬剤分包機10の電源等に接続したが、間接的に接続しても良い。例えば、薬剤分包機10の内部で電源等とベース部13との間に予め敷設されているケーブルに未使用の電線が有ればそれを流用したりケーブルの追加や交換にて電線を増やしたりして薬剤分包機10の電源等とモータ用の箱体32を搭載予定のベース部13との間で使用可能電線の接続を予め確立することができる。更に各使用可能電線の端子をベース部13の上端部に配しておくとともに、ドライバ74に係る電線の端子をモータ用箱体32の下端部に配しておくことにより、錠剤分割装置30の隣接ベース部13,13への搭載に随伴してモータ73までも動作可能になる。
10…薬剤分包機、
11…錠剤フィーダ格納庫、12…棚、
13…ベース部(錠剤フィーダ)、14…スプライン軸(駆動軸)、
15…錠剤裁断片受入部、16…標準錠剤カセット(錠剤フィーダ)、
20…錠剤カセット、
21…ロータ、22…仕切板、23…錠剤排出部、
30…錠剤分割装置、
31…作動部用の箱体、32…モータ用の箱体、
40…回転伝動軸、
41…上端部、42…噛合羽、43…下端部、44…噛合壁、
50…裁断機構、
51…固定刃ユニット、52…可動刃ユニット、
60…錠剤案内機構、
61…円板状回転体、62…凹み、63…錠剤受入部、
64…錠剤通路、65…開閉板、66…錠剤裁断片送出部、
70…駆動機構、
71…進退部、72…回転直線変換部、73…モータ、74…ドライバ
Claims (9)
- 落下して来た錠剤を受け入れて、裁断位置へ前記錠剤を案内する錠剤案内機構と、
前記裁断位置において前記錠剤を裁断する裁断機構と、
前記裁断機構の横に設けられていて、前記裁断機構の駆動を行う駆動機構と、
前記錠剤案内機構と前記裁断機構とを収めた箱体とを備え、
ランダムに収容した複数の錠剤を整列させるロータの回転にて、前記複数の錠剤を一つずつ錠剤排出部から落下排出させる錠剤カセットを複数備えた錠剤分包機内に収納されて、対応する前記錠剤カセットから落下して来た前記錠剤を分割する錠剤分割装置において、
前記箱体内には上下方向に延びる回転伝動軸と、前記回転伝動軸の回転により前記錠剤案内機構の可動部を動作させる回転伝達機構とを備え、
前記箱体は、前記錠剤カセットのための錠剤フィーダのベース部の上に載せられる下部と、前記錠剤カセットが載せられる上部を有し、
前記箱体の前記上部には、前記回転伝動軸の上端部を露出させる貫通孔と、前記錠剤排出部から排出される前記錠剤を受け入れる錠剤受入部が設けられており、
前記箱体の前記下部からは、前記回転伝動軸の下端部が露出しており、前記下部には前記裁断機構により前記錠剤が裁断されてなる複数の錠剤裁断片を送り出す錠剤裁断片送出部が設けられ、
前記錠剤フィーダの前記ベース部の上に前記箱体を載せることで前記回転伝動軸の下端部が前記ベース部の駆動軸と回転伝動可能に連結されるとともに前記錠剤案内機構の錠剤裁断片送出部が前記ベース部の錠剤受入部に連結され、
前記錠剤カセットを前記箱体の上に載せることにより、前記回転伝動軸の上端部が前記錠剤カセット内の前記ロータと回転伝動可能に連結されるとともに前記錠剤案内機構の前記錠剤受入部が前記錠剤カセットの錠剤排出部と連結されるようになっていることを特徴とする錠剤分割装置。 - 前記錠剤案内機構は、周縁部に複数の凹みが形成された円板状回転体を前記可動部として具備しており、
前記円板状回転体が、前記回転伝達機構を介して、前記回転伝動軸と回転伝動可能に連結されていて、受け入れた錠剤を前記凹みに保持して回転することで移動させるようになっていることを特徴とする請求項1に記載の錠剤分割装置。 - 前記円板状回転体の回転中心を通る仮想中心線は、前記回転伝動軸の軸線と直交する方向に延びており、
前記回転伝動軸と前記円板状回転体との間に位置する前記回転伝達機構は、傘歯車機構からなる請求項2に記載の錠剤分割装置。 - 前記回転伝動軸から前記錠剤カセットの前記ロータへの回転伝達比と、前記回転伝動軸から前記円板状回転体への回転伝達比とが、前記錠剤カセットの錠剤排出と前記円板状回転体の前記凹みの錠剤受入とを同期させるように、対応づけられていることを特徴とする請求項2または3に記載の錠剤分割装置。
- 前記錠剤案内機構は、前記円板状回転体を回転可能に受け入れ且つ前記凹みに入った錠剤が前記裁断位置に来るまで前記凹みから抜け出るのを防止する回転体収納部と、
前記円板状回転体の下方に配置されて前記錠剤が前記裁断位置に来たときに前記凹みから前記錠剤が落下することを防止するように閉状態となり、前記錠剤が裁断されると、前記複数の錠剤裁断片が前記錠剤裁断片送出部に落下することを可能にするように開状態となる開閉板とを備えている請求項4に記載の錠剤分割装置。 - 前記裁断機構は、前記駆動機構によって駆動される可動刃と、前記円板状回転体の前記凹みに保持されて裁断位置にある錠剤を間にして前記可動刃と対向する固定刃とからなり、
前記駆動機構は、前記回転伝動軸の軸線方向と直交する方向に延びる仮想線と平行に延び且つ前記回転伝動軸を間にして前記固定刃とは反対側に位置する軸線を有する駆動回転軸と、該駆動回転軸に固定されたカムと該カムによって動く従動子とを備え、
前記カム及び前記従動子は、前記駆動回転軸に対して前記回転伝動軸を間にして反対側に位置する前記可動刃を前記固定刃に近付ける方向と前記固定刃からは離す方向に移動させる動きをする構造を有している請求項1乃至4のいずれか1項に記載の錠剤分割装置。 - 前記開閉板は、前記可動刃の動きと同期して、前記駆動機構によって駆動されるように構成されている請求項6に記載の錠剤分割装置。
- 前記箱体の上に前記錠剤カセットが載せられて構成されるアセンブリの高さ寸法が、前記ベース部に載せられる標準錠剤カセットの高さ寸法以下になるように、前記箱体及び前記錠剤カセットの高さ寸法がそれぞれ定められている請求項1に記載の錠剤分割装置。
- 請求項1乃至8のいずれか1項に記載の錠剤分割装置を備えた錠剤分包機。
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CN201880013002.0A CN110325166A (zh) | 2017-01-06 | 2018-01-05 | 片剂分割装置 |
EP18735940.1A EP3566687A4 (en) | 2017-01-06 | 2018-01-05 | TABLET DIVISION DEVICE |
AU2018205919A AU2018205919A1 (en) | 2017-01-06 | 2018-01-05 | Tablet splitting apparatus |
US16/476,159 US20190350813A1 (en) | 2017-01-06 | 2018-01-05 | Tablet splitting apparatus |
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JP2017000851A JP6739081B2 (ja) | 2017-01-06 | 2017-01-06 | 錠剤分割装置 |
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JP7311217B1 (ja) | 2023-04-17 | 2023-07-19 | 株式会社 クシロ | 錠剤裁断装置 |
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CN110420124A (zh) * | 2019-09-10 | 2019-11-08 | 尹思蒙 | 一种药片等分量分割装置及分割方法 |
WO2021263175A1 (en) | 2020-06-26 | 2021-12-30 | Splitrx Llc | Pill cutters and methods of use |
CN112156012B (zh) * | 2020-08-19 | 2023-06-02 | 左伟 | 一种适用于中药饮片造型加工的装置 |
CN112245297B (zh) * | 2020-10-28 | 2023-02-21 | 河南省中医院(河南中医药大学第二附属医院) | 一种用于儿科的药片分药器 |
CN112891216B (zh) * | 2021-01-19 | 2022-07-26 | 柴春维 | 一种肿瘤科用药物处理装置 |
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Publication number | Publication date |
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JP6739081B2 (ja) | 2020-08-12 |
JP2018108312A (ja) | 2018-07-12 |
EP3566687A1 (en) | 2019-11-13 |
CN110325166A (zh) | 2019-10-11 |
EP3566687A4 (en) | 2020-09-16 |
AU2018205919A1 (en) | 2019-08-22 |
US20190350813A1 (en) | 2019-11-21 |
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