WO2012014533A1 - 錠剤分割装置 - Google Patents
錠剤分割装置 Download PDFInfo
- Publication number
- WO2012014533A1 WO2012014533A1 PCT/JP2011/059214 JP2011059214W WO2012014533A1 WO 2012014533 A1 WO2012014533 A1 WO 2012014533A1 JP 2011059214 W JP2011059214 W JP 2011059214W WO 2012014533 A1 WO2012014533 A1 WO 2012014533A1
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- WO
- WIPO (PCT)
- Prior art keywords
- tablet
- cutting
- pair
- opposed blades
- path
- Prior art date
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- 0 C*1(CC2)[C@]2(C)C(*)CC1 Chemical compound C*1(CC2)[C@]2(C)C(*)CC1 0.000 description 2
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Classifications
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- 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
- A61J3/00—Devices or methods specially adapted for bringing pharmaceutical products into particular physical or administering forms
-
- 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
-
- 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
-
- 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
- B26D1/12—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 cutting member moving about an axis
- B26D1/14—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 cutting member moving about an axis with a circular cutting member, e.g. disc cutter
-
- 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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T225/00—Severing by tearing or breaking
- Y10T225/30—Breaking or tearing apparatus
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T83/00—Cutting
- Y10T83/202—With product handling means
- Y10T83/2074—Including means to divert one portion of product from another
- Y10T83/2081—Gravity type
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T83/00—Cutting
- Y10T83/202—With product handling means
- Y10T83/2074—Including means to divert one portion of product from another
- Y10T83/2083—Deflecting guide
- Y10T83/2085—Positionable gate in product flow path
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T83/00—Cutting
- Y10T83/202—With product handling means
- Y10T83/2092—Means to move, guide, or permit free fall or flight of product
- Y10T83/2209—Guide
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T83/00—Cutting
- Y10T83/525—Operation controlled by detector means responsive to work
- Y10T83/536—Movement of work controlled
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T83/00—Cutting
- Y10T83/566—Interrelated tool actuating means and means to actuate work immobilizer
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T83/00—Cutting
- Y10T83/748—With work immobilizer
Definitions
- the present invention relates to a tablet dividing apparatus that cuts a tablet and divides the tablet into several pieces.
- Japanese Patent Application Laid-Open No. 11-226088 discloses a tablet supply device that divides a tablet with a single oscillating cutter blade and discharges the divided tablet cutting pieces individually. Further, in JP-A-11-226089, the held tablet is cut up and down with a cutter blade, and the lower tablet cutting piece is discharged first, but the upper tablet cutting piece is temporarily retained on the cutter, The tablet supply apparatus which discharges
- the tablet is cut by pushing a substantially straight blade toward the tablet and pushing it vertically from the cutting edge like an axe, for example. While this cutting method is simple, not only the intended tablet cutting fragments but also undesired undesired fragments may be produced. When such undesired fragments appear, there arises a problem that the variation in the weight of the cut tablet pieces becomes large.
- the user may have anxiety if it can be seen visually, so the variation in the weight of the cut pieces is large. It is not preferable.
- the frequency of undesired division exceeding the specified allowable range is within the allowable range according to the specifications of the device, there is a possibility that more drugs are discarded without being used because of the undesired division. .
- An object of the present invention is to provide a tablet dividing device in which the variation in the weight of a plurality of tablet cutting pieces obtained by dividing a tablet is reduced.
- the present invention includes a holding mechanism that holds a tablet to be divided at a cutting position, a cutting mechanism that cuts a tablet held at the cutting position, and a cutting operation defining unit that defines an operation procedure of the cutting mechanism and the holding mechanism.
- a tablet splitting device is provided.
- the structure of the cutting mechanism and the operation procedure of the cutting mechanism and the holding mechanism in the cutting operation defining means are determined so that the variation in the weight of the two tablet cutting pieces obtained by dividing the tablet is reduced.
- the operation procedure defined by the maximum operation defining means differs depending on the cutting mechanism and the holding mechanism.
- the cutting mechanism includes a pair of opposed blades that are displaced between the movement standby position and the movement completion position, respectively, and the pair of opposed blades are both displaced from the movement standby position to the movement completion position so that the tablet in the cutting position is Those configured to cut can be used.
- the operation procedure defined by the cutting operation defining means is preferably as follows. First, when both the pair of opposed blades are displaced from the movement standby position to the movement completion position, the tablet holding by the holding mechanism is continued until the pair of opposed blades sandwich the tablet.
- the tablet to be divided is held at the cutting position by the holding mechanism and then cut by the pair of opposed blades that reduce the opposed gap.
- the holding of the tablet by the holding mechanism is released before the pair of opposed blades cut into the tablet, and the opposed blade is in the state where the tablet is sandwiched by only the pair of opposed blades. Cut into.
- the tablet is separated from the holding mechanism, so that even if the tablet is deformed or displaced by the cut of the pair of opposed blades, No reaction force acts on the tablet from the holding mechanism.
- the cutting operation defining means regulates the operation procedure so as to temporarily stop the displacement of the pair of opposed blades until the release is completed when the holding of the tablet by the holding mechanism is released.
- the timing restriction related to the release operation of the tablet holding by the holding mechanism is relaxed / resolved, so that the mechanism design is facilitated, the adjustment man-hours are shortened, and the member cost is reduced.
- the cutting operation defining means moves the holding mechanism away from the tablet sandwiched between the pair of opposed blades and releases the pair of opposed blades sandwiching the tablet from the holding mechanism when releasing the holding of the tablet by the holding mechanism.
- the operation procedure can be defined so that one or both of the operations of moving in the direction and releasing the tablet from the holding mechanism are performed. If it does in this way, cancellation
- the structure of the tablet passage route for guiding the tablet to the holding mechanism is arbitrary.
- the tablet passage route may be vertical, and in particular, the upstream portion of the cutting position may be constituted by a vertical cylindrical member, and the tablet may be dropped straight down.
- a cutting position and a holding mechanism are arranged in the middle of the tablet passage route.
- the improvement request for the tablet dividing device is not limited to the improvement of the dividing accuracy, that is, the variation in the weight of the tablet cutting pieces, but is required to be compatible with various tablets of various shapes.
- the tablet dividing device preferably further includes a falling tablet guide member, a groove depth defining member, a path thickness adjusting mechanism, and a control device.
- the falling tablet guide member has an upper end opening, a lower end opening, a side opening located between the upper end opening and the lower end opening, and has a cutting position in the middle to guide a tablet falling by gravity. What has a groove-like tablet passage route is used.
- the groove depth defining member covers part or all of the side opening of the tablet passage path including a portion upstream of the cutting position in the tablet passage path.
- the path thickness adjusting mechanism changes the relative distance between the groove bottom facing the side opening of the tablet passage path and the groove bottom facing surface of the groove depth regulating member.
- the control device acquires the tablet thickness information and operates the path thickness adjusting mechanism to adjust the relative distance to the tablet thickness. In this way, the thickness information which is the minimum dimension among the tablet shape information is given to the control device, and thereafter, the tablet passage route is automatically performed by the cooperation of the control device, the thickness adjusting mechanism and the groove depth regulating member.
- the relative distance between the groove bottom and the groove bottom facing surface of the groove depth defining member is adapted to the thickness of the tablet.
- the holding mechanism includes a receiving member that is arranged in the tablet passage path and partially holds the tablet passage path to temporarily hold the tablet to be divided that has come down the tablet passage path in a cutting position.
- the control device preferably controls the operation of the receiving member and the operation of the cutting mechanism in relation to each other.
- the tablet passage path preferably further includes a groove width adjusting mechanism that is provided upstream from the cutting position and adjusts the groove width of the tablet passage path. In this case, the control device acquires the tablet width information and operates the groove width adjusting mechanism to adapt the groove width to the tablet width.
- the width information which is the intermediate dimension of the tablet shape information
- the groove width of the tablet passage route is automatically adapted to the tablet width by the cooperation of the control device and the width adjusting mechanism. Be made. Therefore, the burden of remodeling and adjustment adapted to various tablets having different dimensions not only in thickness but also in width is reduced.
- the cutting mechanism is configured to float the tablet from the groove bottom facing the side opening of the tablet passage path in the process in which the pair of opposed blades are displaced from the movement standby position to the movement completion position, and then complete the cutting. Is preferred. If the bottom of the tablet is stabilized by the groove bottom or the like in the cutting position and the tablet is separated from the groove bottom before the pair of opposed blades cut into the tablet at the time of tablet cutting, the tablet It is released from the posture regulation at the groove bottom and is left to the posture regulation at the pair of opposed blades.
- the posture of the tablet is adapted to the notch of the pair of opposed blades and then the pair of opposed blades cut into the tablet, the symmetry of the force acting on the tablet at the time of cutting increases, and the reaction force from the groove bottom increases. Since it is not affected, the way of breaking the tablet is stabilized, and the variation in the weight of the tablet trimming pieces is reduced.
- one of the pair of opposed blades can be disposed so as to be displaced through the groove bottom, and the other of the pair of opposed blades may be disposed to be displaced through the groove depth defining member.
- the cutting mechanism is designed so that when one or both of the pair of opposed blades is pushed to the movement standby position side by an external force, the cutting mechanism moves backward within the movable range, and at the time of the backward movement, the weight of the tablet from the beginning or during the backward movement It is preferable to be configured to be urged forward by a stronger force. That is, at first, the tablet is sandwiched with a gentle force according to the urging force, and a shallow cut is made on the tablet surface, and then the cutting force is increased at the movable limit, for example, based on the movable range. If it does in this way, the cracking method of a tablet will become stable and the variation in the weight of a tablet trimming piece will become small.
- the tablet posture when falling or when the cutting position is stopped is stabilized by the groove bottom of the inclined surface, and the part upstream of the cutting position in the tablet passage path is perpendicular to the vertical plane. Even if it makes it incline, the tablet passage path
- the posture of the falling tablet is regulated by the two surfaces including not only the groove bottom but also the groove side wall surface, and the dropping speed is suppressed.
- the portion upstream of the cutting position in the tablet passage route meanders.
- the part upstream of the cutting position in the tablet passage route may be bent in a crank shape, or may be meandering so as to be repeatedly bent. If it does in this way, a tablet will reduce speed at the return part of the meandering path
- the tablet passage route can be branched at the cutting position or downstream thereof, and the downstream portion can be divided into two branch routes.
- the receiving member includes two path opening / closing members. Two path opening / closing members are provided in the vicinity of the branch locations of the two branch paths, respectively, and open and close the corresponding branch paths. Moreover, the two path opening / closing members are arranged separately on both sides of the cutting position. In this way, by appropriately opening and closing the two path opening / closing members, the two tablet cutting pieces separated on both sides of the cutting position can be dropped and discharged to the respective use locations at appropriate times. For this reason, it is possible to effectively use the tablet trim pieces that have been divided with high accuracy, for example, by distributing them to the left and right.
- control device replaces the time when the pair of opposed blades of the cutting mechanism are retracted from the movement completion position to the movement standby position after cutting the tablet and the time before and after the time when the corresponding branch point is opened in each of the two path opening / closing members.
- the tablet cutting piece obtained by dividing the tablet can be selected to drop into the same path of the two branch paths and to drop the tablet cutting section into a different path of the branch paths. Can do.
- the cutting mechanism includes a pair of opposed blades that are displaced between the movement standby position and the movement completion position, respectively, and a pair of opposed blades are relatively shifted in opposite directions while keeping the pair of opposed blades parallel.
- a blade that is configured to cut the tablet at the cutting position by displacing the blade from the movement standby position to the movement completion position can be used.
- a pair of opposed blades cut from both sides with the tablet in between, so the cutting depth of each blade is halved compared to cutting on only one side, and the deformation of the tablet also approaches the front and back symmetry, The frequency and amount of debris is reduced.
- the cutting edge is pushed not diagonally to the tablet but obliquely, so that, for example, the sharpness is improved as in the case of cutting while pulling the knife. Therefore, the frequency and amount of fragments are further reduced. Therefore, if this cutting mechanism is used, it is possible to realize a tablet dividing device in which the blade portion is simple and efficient, and it is difficult for fragments to come out.
- this cutting mechanism can have a structure in which a four-bar parallel link is provided and a pair of opposing blades are provided on two opposite sides of the four-bar parallel link. As a result, the cutting mechanism is prevented from becoming complicated.
- a holding mechanism including a receiving member that temporarily holds a tablet to be divided at a cutting position is used. Furthermore, it further includes tablet position adjusting means for adjusting the cutting position of the tablet relative to the pair of opposed blades by moving the receiving member, and information acquiring means for acquiring drug information of the tablet.
- a control apparatus operates a tablet position adjustment means based on the chemical
- the receiving position of the tablet to be cut is automatically adjusted based on the drug information.
- cutting / cutting is automatically performed at an appropriate site.
- a cutting mechanism it is possible to adopt a cutting mechanism that cuts into a tablet while rotating a disk-shaped rotary blade. If a rotary blade is used, it is expected that debris will not be easily produced, and even the dust that comes out instead will be stable and small.
- a tablet transfer mechanism for feeding the held tablet to a cutting position is provided in the cutting mechanism.
- the tablet transport mechanism has a structure including a rotating body that rotates about a rotation axis and a driving member that drives the rotating body. In the rotating body, a plurality of tablet receiving portions for receiving tablets are arranged at equal intervals in the circumferential direction on the outer peripheral portion around the rotation axis.
- An annular groove that extends continuously in the circumferential direction on the outer peripheral portion of the rotating body, communicates with a plurality of tablet receiving portions, and allows a part of the rotary blade to divide the tablet held in the tablet receiving portion. Form. Then, when the tablet receiving part comes to the tablet supply position, the tablet is loaded into the tablet receiving part, and when the tablet receiving part comes to the tablet discharge position, the divided tablets are discharged from the tablet receiving part. Configure the transfer mechanism.
- the tablet transport mechanism is composed of a rotating body and a drive member, and the tablet receiving portion provided on the rotating body can hold and feed the tablet, and the outer periphery of the rotating body
- the rotary blade can be cut by the groove. Therefore, the tablet transfer mechanism is simple.
- the tablet receiving portion and the groove are not basically deformed, adjustment is not required as long as they are formed as designed, and there is no need to sandwich and rub the tablets. Therefore, since the tablet transfer mechanism of the cutting mechanism incorporating the rotary blade is simple and does not require adjustment, it is possible to provide a tablet dividing device with excellent cutting properties at low cost.
- the structure of the vertical blade type tablet dividing apparatus is shown, (a) is a whole side view, (b) is a perspective view of the main-body part which removed the side panel. (A) is a perspective view of the internal mechanism of a main-body part, (b) is an expansion
- the left half is a front view of the main part of the holding mechanism, and the right half is a side view of the longitudinal section of the main part of the holding mechanism and the opposing blade.
- FIG. 5 shows the structure of a horizontal blade type tablet dividing device according to a second embodiment of the present invention, where (a) is an overall perspective view, (b) is a developed perspective view, and (c) to (i) are all holding mechanisms. It is a side view of the longitudinal cross-section of the principal part, and a counter blade.
- a tablet dividing device is shown, (a) is an external appearance perspective view, (b) is a right view, (c) is a right view of a holding mechanism and a cutting mechanism, (d ) Is a surface view (A arrow view) of the holding mechanism. (A) and (b) are both BB cross-sectional views of the holding mechanism and the cutting mechanism, (c) is a surface view of the holding mechanism, and (d) and (e) are both the tablet dropping path and the falling tablet. It is a schematic diagram. (A) to (f) are right side views of the main part of the cutting mechanism. (A) to (d) are all surface views of the main part of the holding mechanism.
- FIG. (A) is a rear view of the principal part mechanism shown with the partial cross section
- (b) is AA arrow sectional drawing of a tablet guide member.
- (A) to (d) are rear views around the tablet passage route partially shown in cross section.
- segmentation apparatus is shown and it is a simplified elevation view of the principal part mechanism. It is a perspective view which shows the principal part structure of a tablet division
- reaction force F acts on the asymmetrical position of the tablet 10 with respect to the blades 41 and 42, the crack 11 generated at the cutting edge of the blades 41 and 42 inside the tablet 10 is bent or enlarged.
- the occurrence position and size of the reaction force F is the presence and location of minute chippings on the surface of the tablet 10, cracks in the surface or inside of the tablet 10, and fragments attached to the contact portion between the tablet 10 and the holding mechanism 30. It varies depending on the situation.
- the pair of opposed blades 41, 42 cut into the tablet 10 in a state where the tablet 10 is separated from the holding mechanism and is sandwiched only by the pair of opposed blades 41, 42 (See FIGS. 1 (e) and (f)).
- FIG. 2A is an overall side view of a vertical blade type tablet splitting device 20 in which a pair of opposed blades 41 and 42 are arranged so as to tear a tablet in the tablet passage route vertically along the route
- FIG. FIG. 3 is a schematic perspective view of the main body 24 with a side panel removed.
- 3A is a perspective view of the internal mechanism of the main body 24 of the tablet dividing device 20
- FIG. 3B is a developed perspective view of the holding mechanism 30 and the cutting mechanism 40.
- the left half is a front view of the main part of the holding mechanism 30, and the right half is a longitudinal section of the main part 30 of the holding mechanism and the opposing blades 41 and 42.
- FIG. 4A to 4C the left half is a front view of the main part of the holding mechanism 30, and the right half is a longitudinal section of the main part 30 of the holding mechanism and the opposing blades 41 and 42.
- FIG. 4A to 4C the left half is a front view of the main part of the holding mechanism 30, and the right
- the tablet dividing device 20 includes a tablet cassette 21, an operation unit 22, a controller 23, a main body unit 24, a receiver 25, a relay unit 26, a tablet feeder base unit 27, It has.
- the main body portion 24 is equipped with a tablet feeder base portion 27, a relay portion 26, and a receiver 25.
- the operation unit 22 includes a processing lock number setting unit and a processing start button (not shown), and a controller 23 and a power source unit (not shown).
- the tablet cassette 21 is attached to the tablet feeder base 27 and has a detachable structure for discharging the tablets 10 one by one.
- the main body portion 24 and the operation portion 22 may be integrated, but in this example, the operation portion 22 is connected to the main body portion 24 from the rear for facilitating manufacturing and maintenance.
- the support part of the receiver 25 and the relay part 26 may be a unit separable from the main-body part 24, in this example, it is integrated with the main-body part 24.
- the tablet feeder base 27 is fixedly arranged at the top of the main body 24 (see FIGS. 2 and 3).
- a holding mechanism 30 is disposed at a position near the front surface below the tablet feeder base 27.
- a relay unit 26 is fixedly disposed below the holding mechanism 30.
- a receiver 25 is disposed below the relay unit 26 so that it can be taken in and out.
- the cutting mechanism 40 is mounted on the main body 24 so as to be orthogonal to the space in which the holding mechanism 30 is disposed, that is, a part of the cutting mechanism 40 penetrates.
- the tablet feeder base unit 27 (see FIG. 3A) is for automatically supplying the tablets 10 sequentially.
- the drive motor 27a operates according to the control of the controller 23, and the tablet 10 is discharged from the tablet cassette 21 mounted on the base plate 27b.
- the tablet feeder base part 27 sends the tablet 10 into the tablet passage path 32 of the holding mechanism 30 via the introduction port 27c and the guide 27d.
- the holding mechanism 30 holds the tablet 10 to be divided at the cutting position 33.
- the cutting mechanism 40 cuts the tablet 10 held by the holding mechanism 30 and divides it into two tablet cutting pieces 12 (see FIG. 3).
- the relay unit 26 transfers the tablet trimming piece 12 to the receiver 25 while preventing the tablet trimming fragment 12 falling from the tablet passage path 32 of the holding mechanism 30 from being scattered or damaged.
- the collection guide 26a and the buffer 26b are provided.
- the receptacle 25 (see FIG. 2) is a rectangular box-shaped or square dish-shaped container that receives and stores the tablet trimming pieces 12 obtained by dividing the tablet 10, and in this embodiment, it is a pull-out type. Yes.
- the holding mechanism 30 holds the tablet 10 to be divided at the cutting position 33 and releases the holding of the tablet 10 by the holding mechanism 30 in cooperation with the cutting mechanism 40. Also do. Therefore, the holding mechanism 30 includes a plate-shaped falling tablet guide member 31 disposed between the tablet feeder base portion 27 and the relay portion 26, and a movable member that can swing the lower end portion with the upper end portion serving as a fulcrum. A pair of receiving members 34 is provided. The falling tablet guide member 31 is inclined with the upper end rearward and the lower end forward.
- the angle of inclination of the falling tablet guide member 31 is, for example, about 45 ° to 60 ° from the horizontal, and the tablet passing path leading from the upper guide 27d to the lower guide 26a is provided on the obliquely upward front surface of the falling tablet guide member 31. 32 is engraved.
- the tilt of the falling tablet guide member 31 is set so that the tablet 10 slides down at an appropriate speed in the tablet passage path 32 without leaving the falling tablet guide member 31.
- the tablet passage path 32 is wide at the cutting position 33, and a vertical slit 35 (see FIG. 4) is formed through the center thereof.
- a pair of receiving members 34 are disposed on both sides of the slit 35.
- the cutting mechanism 40 includes a pair of opposed blades 41 and 42 composed of a front outer blade that advances and retreats toward the cutting position 33 and an inner blade at the back. That is, the cutting mechanism 40 includes a movement standby position (a pair of opposed blades 41 and 42 shown in FIG. 4A) and a movement completion position (a pair of opposed blades 41 and 42 shown in FIG. 4B). 42), a pair of opposed blades 41, 42 are provided, and the pair of opposed blades 41, 42 are both displaced from the movement standby position to the movement completion position to cut the tablet 10 at the cutting position. It is configured. In this example, the opposed blades 41 and 42 are oriented vertically.
- the pair of opposed blades 41 and 42 are not arranged vertically but are inclined at the same angle as the falling tablet guide member 31. That is, one counter blade 41 is positioned obliquely above, and the other counter blade 42 is positioned diagonally below.
- One counter blade 41 is supported by a first advancing / retracting member 43 that partially reciprocates through the falling tablet guide member 31.
- the first drive member 44 is operated according to the control of the controller 23
- the one opposed blade 41 moves between the movement standby position and the movement completion position.
- the other opposed blade 42 is supported by a second advance / retreat member 45 that reciprocates behind the falling tablet guide member 31.
- the second drive member 46 is operated according to the control of the controller 23, the other opposed blade 42 moves between the movement standby position and the movement completion position while passing through the slit 35.
- the controller 23 constitutes a control device including, for example, a programmable microprocessor system and a sequencer.
- the controller 23 also constitutes cutting operation defining means for defining the operation procedure of the holding mechanism 30 and the cutting mechanism 40.
- the cutting operation defining means configured by the controller 23 defines the operation procedure as follows. First, when the gap between the pair of opposed blades 41 and 42 is reduced during tablet cutting, the holding mechanism 30 continues to hold the tablet until the pair of opposed blades 41 and 42 sandwich the tablet 10 at the cutting position 33. . Next, after the pair of opposed blades 41 and 42 sandwich the tablet 10, the reduction operation of the opposed gap between the pair of opposed blades 41 and 42 is temporarily stopped.
- the left half is a front view of the main part of the holding mechanism 30, and the right half is a longitudinal section of the main part 30 of the holding mechanism. It is a side view of a surface and a pair of counter blades 41 and 42, and shows tablet cutting operation in time series.
- the receiving member 34 immediately below the cutting position 33 is closed, the tablet 10 is not present in the holding mechanism 30 and the cutting mechanism 40, and the cutting position 33 is vacant. Yes.
- One counter blade 41 retracts outward or forward and upward from the cutting position 33 (positioned at the movement standby position), and the other counter blade 42 retracts from the cutting position 33 inward or rearward and downward (movement standby).
- the counter gap between the pair of counter blades 41 and 42 is in the maximum expanded state.
- the drive motor 27a of the tablet feeder base unit 27 is activated. By driving the drive motor 27a, one tablet 10 is dropped and discharged from the tablet cassette 21.
- the tablet 10 is dropped into the tablet passage path 32 of the holding mechanism 30 through the introduction port 27c and the guide 27d of the tablet feeder base portion 27.
- the tablet 10 comes into contact with the receiving member 34 and stops there.
- the tablet 10 is positioned and held at the center of the two receiving members 34 (see FIG. 5B).
- the tablet 10 is held by the inner bottom surface of the tablet passage path 32 of the falling tablet guide member 31 and the contact portion of the two receiving members 34 in the holding mechanism 30, and the pair of opposed blades 41, 42. Without being touched, it is located in the facing gap between the facing blades 41, 42.
- one counter blade 41 advances toward the other counter blade 42, the counter gap between the pair of counter blades 41, 42 is reduced, and the tablet 10 is sandwiched between the counter blades 41, 42. If this happens, one of the opposing blades 41 stops.
- the pair of receiving members 34 are rotated and opened in opposite directions and separated from the tablet 10. At this time, since the tablet 10 is sandwiched between the pair of opposed blades 41 and 42, the tablet 10 does not drop undesirably.
- the pair of opposed blades 41 and 42 move together and move to a position where the opposed gap becomes almost zero (the pair of opposed blades 41 and 42 move to the movement completion position). To do).
- the tablet 10 is cut vertically and divided into left and right tablet cutting pieces 12.
- an undesired reaction force F acts from the holding mechanism 30 even if the tablet 10 is slightly deformed or displaced by the cutting. Since there is nothing to do, the tablet 10 will break stably as expected.
- FIG. 7A is an overall perspective view of a horizontal blade type tablet splitting device 20 ′ that moves a pair of opposed blades to the tablet so that (a) blocks the tablet passage path
- FIG. 7B is a developed perspective view thereof. ) Is a side view of the longitudinal section of the main part of the holding mechanism 30 and the opposed blades 41 ′ and 42 ′.
- This tablet dividing device 20 ′ is different from the tablet dividing device 20 of the first embodiment described above (see FIGS. 7A to 7C) in the following points.
- the holding mechanism 30 ′ and the cutting mechanism 40 ′ are not inclined. While the holding mechanism 30 ′ is vertical, one opposing blade 41 ′ and the other opposing blade 42 ′ are horizontal.
- the entire cutting mechanism 40 'including the first and second advance / retreat members and the first and second drive members (not shown) is horizontal. Furthermore, the receiver 25 is omitted.
- a feeder base portion 27 ′ is configured so that it can be arranged in the tablet storage of the tablet packaging machine in place of or alongside the standard tablet feeder base portion 27.
- the receiving member 34 ′ moves back and forth horizontally with respect to the vertical tablet passage path 32 ′ and advances and retracts the tip from the side. It is a single member that can move up and down.
- the tablet 10 is dropped into the tablet passage path 32 ′ of the holding mechanism 30 ′, guided to the tablet passage path 32 ′, and reaches the cutting position 33 ′. Thereafter, the tablet 10 comes into contact with the receiving member 34 ′ and stops, and is positioned and held in a state of being placed on the receiving member 34 ′ (see FIG. 7D).
- the tablet 10 is held by the inner wall surface of the tablet passage path 32 ′ of the falling tablet guide member 31 ′ and the upper surface of the receiving member 34 ′ of the holding mechanism 30 ′, and the pair of opposed blades 41 ′. , 42 ′ without entering the opposing gap between the pair of opposing blades 41 ′, 42 ′.
- the pair of opposed blades 41 'and 42' travels toward the cutting position 33 ', and the opposed gap between the opposed blades 41' and 42 'is reduced accordingly. Further, when the cutting edges of the pair of opposed blades 41 ′ and 42 ′ enter the tablet passage path 32 ′ and abut against the tablet 10, the pair of opposed blades 41 ′ and 42 ′ stop moving there, and the tablet 10 becomes a pair of opposed blades. 41 'and 42'. Then (see FIG. 7 (f)), the receiving member 34 ′ is lowered and separated from the tablet 10. However, since the tablet 10 is sandwiched between the pair of opposed blades 41 ′ and 42 ′, it is undesirably dropped. Absent.
- the tablet 10 is moved to the center of the tablet passage path 32 ′ by the pair of opposed blades 41 ′ and 42 ′, and is separated from the inner wall surface of the tablet passage path 32 ′ by the passage play. Therefore, the tablet 10 is clamped only by the pair of opposed blades 41 ′ and 42 ′.
- the pair of opposed blades 41 'and 42' travels together and contracts to a position where the opposed gap becomes almost zero, whereby the tablet 10 is cut horizontally and vertically.
- the tablet cutting pieces 12 are divided.
- an undesired reaction force from the holding mechanism 30 ′ even if the tablet 10 is slightly deformed or displaced due to the cutting. F does not act, and the tablet 10 is stably broken as expected.
- the upper half tablet stays on the opposing blades 41 ′ and 42 ′, and the lower half tablet stays on the receiving member 34. .
- FIG. 8A is a front view of the main part of the holding mechanism 30 ′′
- FIG. 8B is a side view of the main part of the holding mechanism 30 ′′ and a pair of opposed blades 41 ′′ and 42 ′′.
- FIG. 8A is a front view of the main part of the holding mechanism 30 ′′
- FIG. 8B is a side view of the main part of the holding mechanism 30 ′′ and a pair of opposed blades 41 ′′ and 42 ′′.
- FIG. 8B is a side view of the main part of the holding mechanism 30 ′′ and a pair of opposed blades 41 ′′ and 42 ′′.
- FIG. 8B is a side view of the main part of the holding mechanism 30 ′′ and a pair of opposed blades 41 ′′ and 42 ′′.
- FIG. 8B is a side view of the main part of the holding mechanism 30 ′′ and a pair of opposed blades 41 ′′ and 42 ′′.
- FIG. 8B is a side view of the main part of the holding mechanism 30 ′′
- This tablet dividing apparatus is different from the tablet dividing apparatus 20 of the first embodiment described above in that the receiving member 34 "is not a movable member but a fixed member, and the tablet holding release is a pair of opposed blades 41. This is realized by the parallel movement of ", 42" and is no longer dependent on the operation of the receiving member 34 ".
- a step that can hold the tablet 10 at the cutting position 33 " is formed on the inner bottom of the tablet passage path 32", and the step is fixed. More specifically, the cutting position 33 "and the upstream portion of the tablet passage path 32 are formed deeper than the receiving member 34". A portion downstream of the cutting position 33 ′′ in the tablet passage path 32 ′′ is formed on the receiving member 34 ′′, and the upper surface of the receiving member 34 ′′ is used as the bottom surface of the path, and is equivalent to the thickness of the receiving member 34 ′′. The bottom is raised and shallow.
- the pair of opposed blades 41 ′′ and 42 ′′ are moved to the one opposed blade 41. "Largely move to the side. Specifically, the pair of opposed blades 41” and 42 "are moved over a distance longer than the thickness of the receiving member 34". Then, the tablet 10 is detached from the receiving member 34 "and is sandwiched between only the pair of opposed blades 41” and 42 ". Then, the opposed gap between the pair of opposed blades 41” and 42 "is reduced. When the opposing blades 41 ", 42" cut into the tablet 10, the tablet 10 is divided into a plurality of tablet segments 12. These tablet segments 12 slide on the upper surface of the receiving member 34 "or the receiving member. It passes over 34 "and falls.
- the release of the tablet holding by the holding mechanism 30 is executed by moving the pair of opposed blades 41" and 42 “sandwiching the tablet 10 and releasing the tablet 10 from the holding mechanism 30".
- FIG. 9 shows a structure example of a tablet dividing device in which (a) shows the shape of a cutting edge for three divisions, (b) shows the shape of a cutting edge for four divisions, and the number of divisions is greater than two.
- the tablet dividing apparatus of the present invention is not limited to the one that divides the tablet 10 into two tablet fragments 12 (half tablets) as in the above-described embodiments.
- the tablet 10 can be divided into a large number of tablet fragments 12 by a single cutting operation.
- the large and small tablets 10 having different diameters can be appropriately and appropriately adjusted. It can also be divided.
- the other opposed blade 42 is first advanced, then the one opposed blade 41 is advanced, the receiving member 34 is further released, and then the pair of opposed blades 41 is moved. , 42 was cut.
- the cutting operation procedure is not limited to this.
- one counter blade 41 may be advanced first, then the other counter blade 42 may be advanced, the receiving member 34 may be released, and then the pair of counter blades 41 and 42 may be cut.
- the one opposing blade 41 may be advanced first, then the receiving member 34 may be released, the other opposing blade 42 may be further advanced, and then the pair of opposing blades 41 and 42 may be cut.
- the receiving member 34 is opened and separated from the tablet 10 at a sufficiently high speed, the temporary stop of one of the opposed blades 41 when the tablet 10 is sandwiched between the pair of opposed blades 41 and 42 and then shifted to cutting is omitted. be able to.
- the operation unit 22 is not essential. For example, when the tablet 10 reaches the cutting position 33, a series of cutting operations may be started accordingly.
- the presence / absence of an operation state display is also arbitrary.
- the controller 23 is not essential, and the cutting operation defining means may be embodied by being incorporated in the holding mechanism or the cutting mechanism instead of the controller 23.
- the holding mechanism and the cutting mechanism may be sequentially operated by a mechanical mechanism such as a cam or a link.
- the receiver 25 and the relay unit 26 are not essential. If the automatic sequential supply of the tablets 10 is unnecessary, the tablet feeder base unit 27 and the tablet cassette 21 are not essential.
- first and second driving members 44 and 46 of the pair of opposed blades 41 and 42 and the driving members of the pair of receiving members 34 are also explicitly provided by an electric type or a fluid driving type. Is not required.
- the drive member may be incorporated in a transmission mechanism of a holding mechanism or a cutting mechanism.
- the first and second advance / retreat members 43 and 45 and the pair of receiving members 34 may be driven by pushing and rotating the manual handle.
- a tablet scattering prevention cover may be attached to the tablet passage path 32.
- the holding mechanism 30 and the cutting mechanism 40 are provided with a pair of receiving members 34 and a pair of opposed blades 41 according to differences in the shape and material of the tablets 10 so that appropriate cutting results can be obtained for the various tablets 10. , 42, etc., may be provided with an adjusting mechanism for changing the operation state.
- the tablet dividing apparatus of the present invention is used in a stand-alone manner as in the first embodiment described above, or in a mode in which the base portion of the tablet feeder is replaced with an expanded function as in the second embodiment.
- it can also be incorporated into a tablet passage route extending downward from a single tablet feeder or a tablet collection route after the tablet passage routes of a plurality of tablet feeders merge downward.
- FIGS. 10 to 13 The fifth embodiment shown in FIGS. 10 to 13 is suitable for dividing a disk-shaped tablet. Further, the sixth embodiment shown in FIG. 14 is a modification thereof and is suitable for dividing an elongated tablet.
- fasteners such as bolts, coupling tools such as hinges, drive sources such as electric motors, transmission members such as gears, motor drivers, etc.
- the details of the electric circuit such as the electronic circuit and the details of the electronic circuit such as the controller are not shown in the figure, and those necessary and related to the description of the embodiment are mainly illustrated.
- FIG. 10A is an external perspective view of the tablet dividing device 120
- FIG. 10B is a right side view thereof
- FIG. 10C is a right side view of the holding mechanism 130 and the cutting mechanism 140
- FIG. It is a surface figure (A arrow line view).
- 11A and 11B are cross-sectional views taken along the line BB of the holding mechanism 130 and the cutting mechanism 140
- FIG. 11C is a surface view of the holding mechanism 130
- FIGS. Both are schematic views of the falling tablet 10 sliding down the tablet dropping path 132.
- 12A to 12F are right side views of the main part of the cutting mechanism 140
- FIGS. 13A to 13D are surface views of the main part of the holding mechanism 130. .
- the tablet dividing device 120 of the fifth embodiment includes a tablet cassette 121, an operation unit 122, a controller 123 (control device), a main body unit 124, and a receiver 125.
- the controller 123, the relay unit 126, and the inclined frame 128 are provided.
- the holding mechanism 130, the cutting mechanism 140, and the power supply unit are built in the main body 124.
- the operation part 122 and the tablet feeder base part 127 are fixedly mounted on the main body part 124 so that the operation surface and the cassette mounting surface are exposed on the outer surface of the casing.
- the tablet cassette 121 is detachably attached to the tablet feeder base portion 127.
- the receiver 125 is inserted so as to be drawn out from the front opening at the bottom of the main body 124.
- the tablet feeder base portion 127 is fixedly disposed at the uppermost portion of the main body portion 124 (see FIG. 1B).
- the inclined frame 128 is disposed in a rearward tilted posture, that is, in a state where the upper end portion is rearwardly upward and the lower end portion is forwardly downward.
- a relay portion 126 is fixedly disposed below the inclined frame.
- a receiver 125 can be taken in and out below the relay portion 126.
- a holding mechanism 130 and a cutting mechanism 140 are attached to the inclined frame 128 at the center of the main body 124 (see FIGS. 1B and 1C).
- the holding mechanism 130 takes the same backward leaning posture as the inclined frame 128, and the cutting mechanism 140 takes a forward leaning posture perpendicular to the holding mechanism 130.
- the tablet feeder base portion 127 and the tablet cassette 121 attached to the tablet feeder base portion 127 are for automatically supplying the tablets 10 sequentially.
- the drive motor of the tablet feeder base portion 127 operates according to the control of the controller 123, the tablets 10 are discharged from the tablet cassette 121 mounted on the base plate one by one.
- the tablet 10 is fed into a tablet dropping path 132 (described later) of the holding mechanism 130 via a guide such as a duct.
- the tablet feeder base unit 127 of the present example prevents data from being erroneously attached to the tablet cassette 121 and automatically acquires data such as a data carrier attached to the tablet cassette 121 in order to automatically obtain shape information of the tablet 10 and the like.
- the cassette identification information and the tablet information are read from the carrier and delivered to the controller 123. That is, the tablet feeder base unit 127 constitutes means for acquiring tablet information.
- the holding mechanism 130 falls from the tablet cassette 121 via the tablet feeder base 127 and the guide and enters the upstream partial path 132a of the tablet dropping path 132.
- the divided tablet 10 is temporarily held at the cutting position 133 by the receiving member 134.
- the cutting mechanism 140 (see FIGS. 10B to 10D and FIG. 3) cuts the tablet 10 at the slit 135 at the cutting position 133 and divides it into two tablet cutting pieces 10b and 10c.
- the relay unit 126 (see FIG. 10B) includes a collection guide and a buffer for buffering.
- the relay unit 126 sends the tablet cutting piece 10b that has fallen from the left branch path 132b of the tablet dropping path 132 of the holding mechanism 130 to the left receiver 125b, and from the right branch path 132c of the tablet dropping path 132 of the holding mechanism 130. It is configured to send the tablet fragment 10c that has fallen into the right side receiver 125c.
- the receiver 125 (see FIGS. 10 (a) and 10 (b)) is a rectangular box-like or square dish-like container that receives and stores the tablet cutting pieces 10b and 10c formed by dividing the tablet 10.
- a wide container is used as a single unit when all the tablet cutting pieces 10b and 10c are accommodated together.
- the left receptacle 125b that accommodates the left tablet trim piece 10b and the right receptacle 125c that accommodates the right tablet fragment 10c are arranged side by side in the divided tablet 10 left and right. Is inserted into the main body 124.
- the receiver 125 and the relay part 126 for guiding the tablet fragments 10b and 10c thereto may be a unit separable from the main body part 124.
- the relay part 126 is integrated with the main body part 124 in order to facilitate the transportation of the apparatus.
- the operation unit 122 and the controller 123 may be separated, in this example, the operation unit 122 and the controller 123 are also integrated with the main body unit 124 for easy transportation of the apparatus.
- the holding mechanism 130 includes a plate-shaped falling tablet guide member 131 and a pair of receiving members 134.
- the falling tablet guide member 131 cooperates with the cutting mechanism 140 in addition to holding the tablet 10 to be divided at the cutting position 133 in the middle of the tablet dropping path 132 in preparation for cutting by the cutting mechanism 140.
- the tablet feeder base part 127 and the relay part 126 are disposed.
- Each of the pair of receiving members 134 is composed of a movable member that can rotate the lower end portion with the upper end portion serving as a fulcrum.
- this embodiment includes a width adjusting mechanism 136, a groove depth defining member 137, and a thickness adjusting mechanism 138 in order to adjust the posture and orientation of the tablet 10 that has fallen. Furthermore, this embodiment includes a standby member 139 for retaining the next tablet 10 immediately upstream of the tablet 10 being cut. These members and mechanisms 134, 136, 137, and 138 are arranged along the tablet dropping path 132 and are attached to the falling tablet guide member 131 (FIGS. 10B to 10D and FIG. 11A). To (c)).
- the falling tablet guide member 131 (see FIGS. 10 (b) and 10 (c)) is located behind the front plate and the vertical plane parallel to it while maintaining a state orthogonal to the left and right side plates and the vertical plane parallel thereto. Inclined from the vertical by an angle ⁇ , with the upper end behind and the lower end forward.
- a tablet dropping path 132 that guides the falling tablet 10 is provided on a surface that is a slantingly upward inclined surface (refer to FIG. 10 (d)) of both surfaces (front and back surfaces, front and back surfaces, and top and bottom surfaces) of the falling tablet guide member 131. Is formed.
- the tilt angle ⁇ of the falling tablet guide member 131 is set to about 15 ° to 45 °, for example, so that the tablet 10 slides down in the tablet dropping path 132 without leaving the falling tablet guide member 131 (see FIG. 10 (c)).
- the tablet dropping path 132 (see FIG. 10 (d)) is formed in a groove shape by engraving or pressing on the obliquely upward inclined surface of the falling tablet guide member 131, and continues from the upper end to the lower end of the falling tablet guide member 131. Yes.
- a slit 135 for passing the cutting edge of the cutting mechanism 140 is formed through the falling tablet guide member 131.
- the upstream partial path 132a which is a part on the upstream side of the cutting position 133 in the tablet dropping path 132, is a single path. In this embodiment, the upstream partial path 132a meanders in a crank shape.
- the posture of the tablet 10 is regulated by the groove bottom 132d and the right inner wall surface 132e of the tablet dropping path 132 (FIG. 11 (d)). reference).
- the posture of the tablet 10 is regulated by the groove bottom 132d and the left inner wall surface 132f of the tablet dropping path 132 (see FIG. 11E). .
- the tablet dropping path 132 is branched into two at the cutting position 133, more specifically, in the form of being divided from the lower end of the slit 135 provided at the center of the cutting position 133.
- the tablet dropping path 132 has a downstream portion divided into a left branch path 132b and a right branch path 132c, and is running side by side in the vertical direction.
- a left path open / close member 134b and a right path open / close member 134c constituting a pair of receiving members 134 are arranged.
- the opening / closing members 134 b and 134 c also rotate according to the control of the controller 123.
- the left path opening / closing member 134b opens and closes a branch port from the upstream partial path 132a to the left branch path 132b
- the right path opening / closing member 134c opens and closes a branch port from the upstream partial path 132a to the right branch path 132c.
- the slit 135 is formed vertically at the center of the cutting position 133.
- the left path opening / closing member 134b and the right path opening / closing member 134c are arranged symmetrically about the slit 135.
- the left path opening / closing member 134b and the right path opening / closing member 134c (a pair of receiving members 134) become V-shaped with the lower end portions close to each other, and the cutting position 133 and the slit Close the tablet drop path 132 just below 135.
- the left path opening / closing member 134b is rotated to connect the upstream partial path 132a and the left branch path 132b.
- the right path opening / closing member 134c is rotated to connect the upstream partial path 132a and the right path opening / closing member 134c.
- the groove depth regulating member 137 (see FIGS. 10C and 10D) is formed from a thin plate made of a transparent hard resin, for example. In this embodiment, almost the entire area of the tablet dropping path 132 is covered. However, the groove depth defining member 137 covers the upstream partial path 132a of the tablet dropping path 132 from above, and the groove bottom 132d of the upstream partial path 132a and the lower surface of the groove depth defining member 137, that is, the groove within the covered range. It is sufficient if the bottom facing surface 137a is parallel. In this example, the groove depth defining member 137 covers the left branch path 132b and the right branch path 132c from above in a state parallel to the groove bottom 132d.
- the interval between the groove bottom 132d and the groove bottom facing surface 137a of the groove depth defining member 137 increases not parallel but toward the bottom, for example. It may be. If there is no possibility that the tablet fragments 10b and 10c jump out from the branch paths 132b and 132c, the groove depth defining member 137 may not cover the upper side of the branch paths 132b and 132c.
- the groove depth defining member 137 (see FIGS. 11A and 11B) is driven by a thickness adjusting mechanism 138 attached to the lower surface of the falling tablet guide member 131, for example, and is inclined obliquely upward. It is possible to reciprocate in the direction of separating from and contacting. Then, the thickness adjusting mechanism 138 changes the separation distance between the groove depth defining member 137 and the falling tablet guide member 131 in accordance with the control of the controller 123, whereby the tablet dropping path 132, particularly the groove bottom 132d of the upstream partial path 132a and the groove depth are defined. The relative distance C between the member 137 and the groove bottom facing surface 137a is changed.
- a width adjusting mechanism 136 is disposed in the upstream partial path 132a of the tablet dropping path 132. Similar to the pair of receiving members 134, the width adjusting mechanism 136 is composed of a movable member that can swing the lower end portion with the upper end portion serving as a fulcrum. The width adjusting mechanism 136 swings according to the control of the controller 123, so that the groove width D of the upstream partial path 132a is variably adjusted. That is, when the width adjusting mechanism 136 is rotated so as to approach the left inner wall surface 132f of the tablet dropping path 132, the width of the tablet dropping path 132 becomes narrow.
- the cutting mechanism 140 includes a pair of opposed blades 141 and 142.
- the pair of opposed blades 141 and 142 move between the movement standby position and the movement completion position.
- the pair of opposed blades 141 and 142 equally cut the tablet 10 at the cutting position 133 left and right.
- the pair of opposed blades 141 and 142 are vertically oriented when the holding mechanism 130 is viewed from the front, but the pair of opposed blades 141 and 142 are not vertical and have the same angle ⁇ as the falling tablet guide member 131. It is tilted backward.
- One counter blade 141 is positioned obliquely above, and the other counter blade 142 is positioned diagonally below.
- One counter blade 141 is attached to a high-rigidity rod / sleeve fitting type portal support mechanism and is supported diagonally above the slit 135 at the cutting position 133 by a first reciprocating member 143 that reciprocates. Yes.
- the first advancing / retracting member 143 moves one of the opposed blades 141 toward the slit 135 obliquely below in accordance with the control of the controller 123.
- the other opposing blade 142 is supported by a second advance / retreat member 145 that reciprocates on the back surface of the falling tablet guide member 131.
- the second advancing / retracting member 145 moves the other opposing blade 142 obliquely upward toward the tablet 10 at the cutting position 133 while passing through the slit 135 according to the control of the controller 123.
- the cutting mechanism 140 operates the pair of opposed blades 141 and 142 according to the control of the controller 123 to expand and contract the opposed gap between the opposed blades 141 and 142 and cut the tablet 10 therebetween. At that time, the tablet 10 is lifted from the groove bottom 132d of the tablet dropping path 132 before the cutting is completed, and then the cutting is completed.
- a first urging member 144 is attached to the first advancing / retracting member 143 that holds one of the opposed blades 141 (see FIG. 12).
- a second urging member 146 is attached to the second advance / retreat member 145 that holds the other opposed blade 142.
- compression coil springs are employed for the first and second urging members 144 and 146.
- the pair of opposed blades 141 and 142 When the pair of opposed blades 141 and 142 are pushed to the backward side (movement standby position side) by an external force, the pair of opposed blades 141 and 142 are opposed to each other within a movable range such as an extendable range of the first and second urging members 144 and 146.
- the blades 141 and 142 are configured to retreat.
- the urging force to the forward side when the pair of opposed blades 141 and 142 is retracted is sandwiched and floated before the tablet 10 is cut, so that it is stronger than the weight of the tablet 10 at least during the backward movement.
- the spring characteristics and resilience of the first and second urging members 144 and 146 are determined. However, at the limit of the movable range, the spring characteristics and the resilience of the first and second urging members 144 and 146 are determined so that the pair of opposed blades 141 and 142 move forward strongly.
- the controller 123 is a control device composed of, for example, a programmable microprocessor system or a sequencer, although the detailed illustration is omitted.
- the controller 123 controls the operation of each electric motor or the like in order to cause the tablet feeder base 127, the holding mechanism 130, and the cutting mechanism 140 to cooperate with each other so that the sequential supply and cutting of the tablets 10 are performed accurately.
- the tablet 10 is lifted from the groove bottom 132d of the tablet dropping path 132 before the cutting is completed, and then the cutting is completed. Yes.
- the operation will be described in detail later with some specific examples in the operation description.
- the length a, the width b, and the thickness c are received as data (length information, width information, thickness information) regarding the tablet shape (a ⁇ b ⁇ c)
- a tablet identification device has been developed that classifies the shapes of tablets.
- shape classification is performed from the viewpoints of circle, ellipse, presence / absence of a straight line portion, and regular polygon. Therefore, the controller 123 acquires data (length information, width information, thickness information) relating to the tablet shape such as length a, width b, and thickness c (a ⁇ b ⁇ c).
- these data acquisition means may be input directly from the operation unit 122 or downloaded from a host device (not shown) via an optional communication line or the like. It may be obtained by performing a search or conversion based on the identification information obtained from. And the controller 123 which acquired the shape data of the tablet 10 adjusts the groove
- the controller 123 operates the thickness adjusting mechanism 138 based on the thickness c, and the groove bottom 132d and the groove depth defining member of the upstream partial path 132a of the tablet dropping path 132.
- the relative distance C between the groove 137 and the groove bottom facing surface 137a is slightly larger than the thickness of the tablet 10 so as to be adapted to the thickness of the tablet 10 (see FIGS. 11A and 11B).
- the controller 123 rotates the width adjusting mechanism 136 based on the data of the width b, so that the groove width D of the corresponding portion of the upstream partial path 132a of the tablet dropping path 132 is obtained. Is slightly wider than the width of the tablet 10 (diameter in the case of a disc) so as to be adapted to the width of the tablet 10 (see FIG. 11C).
- the controller 123 has a function of switching the discharge mode of the tablet trimming fragments after the tablet cutting according to the direct operation mode setting by operating the operation unit 122 or the operation mode setting of remote operation by communication or the like. Have. Specifically, the controller 123 cuts the tablet 10 by cutting the pair of opposed blades 141 and 142 of the cutting mechanism 140 into the tablet 10 held at the cutting position 133 by the holding mechanism 130 (FIG. 13 ( a)). Thereafter, the controller 123 interchanges the timing when the pair of opposed blades 141 and 142 are retracted from the cutting position 133 and the timing when the left branch opening / closing member 134b and the right path opening / closing member 134c are opened.
- the tablet cutting pieces 10b and 10c are dropped into another branch paths 132b and 132c (see FIG. 13B), and the tablet cutting pieces 10b and 10c of the tablet 10 are left-handed branch path 132b. And dropping onto the same one of the right branch paths 132c (see FIGS. 13C and 13D) can be selected.
- a tablet cassette 121 containing a large number of tablets 10 to be cut and divided is mounted on the tablet feeder base 127 and a receiver 125 is inserted into the main body 124 (FIGS. 10A and 10B). )reference).
- data such as identification information is sent to the controller 123 via the tablet feeder base portion 127.
- the controller 123 determines whether the cassette type is appropriate based on this data. Further, the presence or absence of the shape information of the tablet 10 is checked, and if there is the shape information, the width b and thickness c of the tablet 10 are automatically acquired by the controller 123. When automatic acquisition is not possible, data input from the communication line or operation unit 122 is awaited.
- the groove depth defining member 137 safely sets the relative distance C between the groove bottom 132 d of the tablet dropping path 132 and the groove bottom facing surface 137 a of the groove depth defining member 137. It is widened by standing on the side (see FIG. 11A).
- the position of the groove depth defining member 137 is automatically adjusted based on this data, and the relative distance C is adapted to the thickness c (see FIG. 11B). .
- the width adjusting mechanism 136 is arranged at a position close to the groove side wall surface (132 f) of the tablet dropping path 132, and the upstream portion of the tablet dropping path 132 The groove width of the corresponding part of the path 132a is widened on the safe side (see FIG. 10D).
- the swing position of the width adjusting mechanism 136 is automatically adjusted, and the groove width D of the corresponding portion is adapted to the width b (see FIG. 11C).
- the tablet dividing device 20 can start the cutting process.
- the tablet cutting fragment discharge mode is a sorting discharge mode in which the tablet cutting fragments 10b and 10c are dropped in separate branch paths 132b and 132c (see FIG. 13B). Therefore, when it is desired to switch the tablet cutting fragment discharge mode to the right discharge mode in which both the tablet cutting fragments 10b and 10c are dropped only on the right branch path 132c (see FIGS. 13 (c) and 13 (d)), the tablet cutting fragments 10b, When the tablet cutting fragment discharge mode is to be switched to the left discharge mode in which 10c is dropped only on the left branch path 132b (see FIGS. 13C and 13D), the desired mode is selected by operating the operation unit 122. Then, the tablet cutting fragment discharge mode is switched.
- the holding mechanism 130 closes the left path opening / closing member 134b and the right path opening / closing member 134c of the receiving member 134 just below the cutting position 133.
- the holding mechanism 130 and the cutting mechanism 140 have no tablet 10 and the cutting position 133 is vacant.
- the cutting mechanism 140 retreats one of the opposed blades 141 from the cutting position 133 to the outside and the front upper side, and moves the other opposed blade 142 from the cutting position 133 to the inner back side. It has been retreated downward. Therefore, the facing gap between the pair of facing blades 141 and 142 is in an expanded state.
- the tablet 10 is dropped into the tablet dropping path 132 of the holding mechanism 130 through the inlet and guide of the tablet feeder base portion 127, and is first guided to the upstream partial path 132 a of the tablet dropping path 132 to be the cutting position 133. Head for.
- the displacement in the thickness direction of the falling tablet 10 is changed. It is regulated (see FIG. 11B). Also, the displacement in the width direction of the falling tablet 10 is regulated by the groove width D at the location where the width adjusting mechanism 136 of the tablet dropping path 132 is adapted to the tablet width b (see FIG. 11C).
- the posture is regulated by the groove bottom 132d of the tablet dropping path 132 and the right inner wall surface 132e in the uppermost flow area due to the change in the inclination direction of the path accompanying the meandering of the upstream partial path 132a of the tablet dropping path 132 ( In the middle flow area, the posture is regulated by the groove bottom 132d of the tablet dropping path 132 and the left inner wall surface 132f (see FIG. 11E).
- the tablet 10 passes through the standby member 139 (FIG. 10 (d)) that opens as appropriate and reaches the cutting position 133, the tablet 10 takes the same posture at any time.
- the tablet 10 that has reached the cutting position 133 comes into contact with the pair of receiving members 134 and stops there. That is, the tablet 10 is positioned between the two receiving members 134, that is, at the center of the left path opening / closing member 134b and the right path opening / closing member 134c, and held so as to face the slit 135 (see FIG. 13A). ). At this time, the tablet 10 is held by the groove bottom 132d of the tablet dropping path 132 of the falling tablet guide member 131 and the contact portion of the two receiving members 134 in the holding mechanism 130, and the pair of opposed blades 141, Without touching 142, it enters into the opposing gap between the pair of opposing blades 141, 142 (see FIGS. 12B and 13A).
- the tablet 10 is cut by the cutting mechanism 140. Since there are a plurality of cutting modes and can be selected in advance by operating the operation unit 122, three modes will be described in detail.
- the other opposed blade 142 advances slightly toward the one opposed blade 141.
- the opposite face 142 is pushed by 142 and the tablet 10 is slightly lifted and separated from the groove bottom of the tablet dropping path 132, the other opposite blade 142 stops.
- one counter blade 141 advances toward the other counter blade 142 and the counter gap between the pair of counter blades 141, 142 is reduced and the tablet 10 is sandwiched between the pair of counter blades 141, 142, one counter blade 141 141 stops (see FIG. 12C).
- the receiving member 134 rotates and opens and leaves the tablet 10. At this time, since the tablet 10 is held between the pair of opposed blades 141 and 142, it does not drop undesirably.
- the driving of the cutting mechanism 140 is resumed.
- the biasing force of the first biasing member 144 that advances one counter blade 141 and the biasing force of the second biasing member 146 that advances the other counter blade 142 advance the pair of counter blades 141 and 142 to the tablet 10. While it is insufficient to cut, the springs of the first and second urging members 144 and 146 are compressed while increasing the urging force. Therefore, the pair of opposed blades 141 and 142 continues to hold the tablet 10 (see FIG. 12D). When the urging force of the first and second urging members 144 and 146 (the propulsive force of the pair of opposed blades 141 and 142) increases sufficiently, the pair of opposed blades 141 and 142 bite into the front and back surfaces of the tablet 10.
- the pair of opposed blades 141 and 142 that have been separated move forward almost simultaneously to narrow the opposed gap.
- the other opposed blade 142 pushes the back surface of the tablet 10 and slightly lifts from the groove bottom 132d of the tablet dropping path 132, the one opposed blade 141 reaches the surface of the tablet 10, and the tablet 10 is paired.
- the driving of the cutting mechanism 140 is not temporarily stopped, so that the cutting operation is performed quickly.
- the spring sensitivity of the second urging member 146 is made smaller than the spring sensitivity of the first urging member 144, so that the state of occurrence of the elastic force of the first and second urging members 144, 146 is not allowed. By making it uniform, the variation in weight of the tablet trimming pieces may be further reduced.
- the third cutting mode when one of the opposed blades 141 of the pair of opposed blades 141 and 142 that have been separated advances first and the blade edge reaches the surface of the tablet 10, one of the opposed blades 141 and 142 is moved there.
- the forward drive of the opposed blade 141 stops.
- the tablet 10 is lightly pressed against the groove bottom 132d of the tablet dropping path 132 by the biasing force of the first biasing member 144, and the posture of the tablet 10 is corrected.
- the other counter blade 142 is driven forward, the counter gap between the pair of counter blades 141, 142 is reduced, and when the other counter blade 142 reaches the back surface of the tablet 10, the tablet 10 is paired with the pair of counter blades 141. , 142.
- the forward drive of the other opposing blade 142 is continued, and the springs of the first and second urging members 144 and 146 are compressed.
- the other opposing blade 142 advances by the balance of the urging force of the springs of the first and second urging members 144, 146, the one opposing blade 141 moves backward, and the tablet 10 moves into the groove of the tablet dropping path 132. It floats from the bottom 132d.
- the rest is generally the same as the above-described first and second cutting modes, and a detailed description thereof will be omitted.
- the cutting operation is quickly and accurately performed by alternately driving the one opposed blade 141 and the other opposed blade 142.
- the open / close members 134b and 134c are opened before the pair of opposing blades 141 and 142 are retracted (see FIG. 13B), and the left half tablet cutting fragment is 10b is dropped and discharged from the left branch path 132b and received in the left receiver 125b, and the right half tablet cutting piece 10c is dropped and discharged from the right branch path 132c and received in the right receiver 125c.
- the right path opening / closing member 134c is opened with the left path opening / closing member 134b and the pair of opposed blades 141, 142 stopped, and first the right half of the right half opening / closing member 134b is opened.
- the tablet cutting piece 10c is dropped and discharged from the right branch path 132c (see FIG. 13C).
- the pair of opposed blades 141 and 142 are retracted while the left path opening / closing member 134b is stopped, and the remaining left half tablet cutting piece 10b is dropped and discharged from the right branch path 132c (see FIG. 13 (d)). Both the tablet cutting pieces 10b and 10c are accommodated in the right side receiver 125c.
- the left path opening / closing member 134b is opened with the right path opening / closing member 134c closed and the pair of opposed blades 141, 142 stopped.
- the tablet half 10b of the left half is dropped and discharged from the left branch path 132b.
- the pair of opposed blades 141 and 142 are moved backward while the right path opening / closing member 134c is closed, and the remaining right half tablet cutting piece 10c is dropped and discharged from the left branch path 132b. Both the tablet trimming pieces 10b and 10c are accommodated in the left side receiver 125b.
- the left and right tablet cutting fragments 10b and 10c are distributed to the left and right branch paths 132b and 132c according to the tablet cutting fragment discharge mode, and after passing through the relay portion 126, are accommodated in the receiving receivers 125a and 125b. Is done.
- the receiving member 134 is rotated and closed, the pair of opposed blades 141 and 142 are both retracted, and the state of the holding mechanism 130 and the cutting mechanism 140 returns to the initial state. Further, if it is necessary to cut the tablet 10, the above-described operation is repeated.
- FIGS. 14A to 14D are front views of the main part of the holding mechanism 130 ′ used in the sixth embodiment.
- the difference between this tablet dividing device and the tablet dividing device 120 of the fifth embodiment described above (see FIG. 14A) is that the angle of the L-shaped crank of the upstream partial path 132'a of the tablet dropping path 132 'is different.
- the point where the degree is large, the branch port of the left branch path 132'b and the left path opening / closing member 134'b are moved upstream, and the slit 135 'is orthogonal to the upstream partial path 132a.
- the tablet dividing apparatus of the present embodiment is suitable for dividing the elongated columnar or square-shaped tablet 10 into two in the longitudinal direction.
- the tablet 110 'slides down the upstream partial path 132a with its longitudinal direction aligned with the path direction.
- the tablet 110 ' is stopped by the receiving member 134 ', and then the upper left tablet cutting piece 110'b and the lower right tablet cutting piece 110'c by the pair of opposed blades 141', 142 '. (See FIG. 14B).
- the opening / closing members 134'b and 134'c are opened before the pair of opposed blades 141 'and 142' are retracted.
- the upper left tablet segment 110'b is dropped and discharged from the left branch path 132'b and stored in the left receiver 125'b, and the lower right tablet slice 110'c is dropped and discharged from the right branch path 132'c. And accommodated in the right side receiver 125'c.
- the tablet cutting fragment discharge mode is the right discharge mode
- the left path opening / closing member 134′b is closed and the pair of opposed blades 141 ′ and 142 ′ are moved.
- the right path opening / closing member 134'c is opened, and the lower right tablet cutting piece 110'c is first dropped and discharged from the right branch path 132'c.
- the pair of opposed blades 141 ′ and 142 ′ are moved backward while the left path opening / closing member 134′b is stopped, and the remaining upper left tablet cutting piece 110′b is dropped and discharged from the right branch path 132′c.
- both the tablet cutting pieces 110'b and 110'c are accommodated in the right side receiver 125c.
- the left discharge mode is not supported, but the left discharge mode can be implemented in the same manner.
- the cutting mechanism 140 ′ is configured to cut the tablets 10, 110 ′ by moving the pair of opposed blade edges forward and backward, but a rotary blade may be used for cutting. .
- the tablet cutting fragment discharge mode may be switched as appropriate.
- the discharge mode may be switched or reset each time one tablet 10, 110 ′ is cut.
- the tablets 10 and 119 ' are equally divided into two.
- the tablets 10 and 119' may be divided unevenly, and the separation discharge mode is particularly convenient in the uneven division.
- the operation unit 122 is not essential. For example, when the tablets 10, 110 ′ reach the cutting positions 133, 133 ′, a series of cutting operations may be started accordingly.
- the presence / absence of an operation state display is also arbitrary.
- the standby member 139 may be equipped arbitrarily. If there is no inconvenience in discharging the tablet trim pieces, the receiver 125 and the relay unit 126 are not essential, and if the automatic sequential supply of tablets is unnecessary, the tablet feeder base unit 127 and the tablet cassette 121 are not essential.
- FIG. 15 is an exploded perspective view of a principal part mechanism of the tablet dividing device 220, and illustration of a housing, a support member, and the like is omitted.
- 16 (a) to 16 (c) are simplified front views of the falling tablet guide member 231 that forms the tablet passage route, the pair of opposed blades 241 to 242 and the holding mechanism 230 that are provided facing the member. .
- the tablet dividing device 220 (see FIG. 1) includes a tablet feeder base part 227 to which a tablet cassette 221 can be attached and detached, and a falling tablet guide member 231 surrounding a part of the tablet passage 232 together with the tablet introduction part 227c.
- a cutting mechanism 240 that cuts the tablet 10 up and down, a holding mechanism 230 that holds the tablet 10 to be cut at the cutting mechanism 240 below the cutting mechanism 240, and an elevating mechanism 244 that moves the holding mechanism 230 up and down.
- the tablet cassette 221 can be replaced as appropriate, and it is sufficient that the tablet cassette 221 is attached to the tablet feeder base portion 227 and can discharge the tablets 10 one by one, and cassette identification information is attached to the bottom surface thereof by, for example, barcode printing. (See JP-A-2005-192702).
- the tablet feeder base portion 227 is described in detail in JP-A-11-226088, JP-A-11-226089, JP-A-2005-192702, and the like.
- the tablet feeder base unit 227 includes a gear and a motor for driving the ejection of the tablet cassette 221, an identification information reading unit 22 including a barcode reader for reading the cassette identification information of the tablet cassette 221, and a leading portion of the tablet dropping path. It is equipped with a surrounding tablet introduction part 227c.
- the tablet introduction part 227c is formed with a through-hole into which the tablet 10 discharged from the tablet cassette 221 is inserted, and detects the tablet 10 that falls from the tablet cassette 221 and passes through the tablet introduction part 227c.
- a detection member 228 is attached.
- the cutting mechanism 240 (see FIG. 1) is mainly composed of a four-node parallel link disposed in the middle of the tablet dropping path, and two opposing two sides on the long side of the four-node parallel link.
- the blades 241 and 242 are equipped separately.
- the opposing blades 241 and 242 are both straight blades, and are opposed to each other in a state of facing each other with the blade edges facing each other and in a parallel state.
- a driven gear 235 is provided on one side of the short side of the four-bar parallel link of the cutting mechanism 240, and a drive gear 236 that meshes with the driven gear 235 is fixed to the rotating shaft of the electric motor 237.
- the electric motor 237 is a servo motor or a stepping motor capable of reciprocating rotational movement.
- the four-bar parallel link spreads in a rectangular shape and opens the tablet dropping path 232.
- the four-bar parallel link closes in a single plate shape and closes the tablet dropping path 232.
- the pair of opposed blades 241 and 242 move between the movement standby position and the movement completion position.
- the pair of opposed blades 241 and 242 are placed away from each other at the movement standby position when not cut, and are moved closer to each other and placed at the movement completion position when cut.
- the holding mechanism 230 (see FIG. 1) is mainly composed of a four-bar parallel link disposed in the middle of the tablet dropping path 232, but a pair of opposed blades 241 and 242 are provided. Not. A driven gear 243 is provided on one side of the short side of the four-bar parallel link of the holding mechanism 230, and a drive gear 244 that meshes with the driven gear 243 is fixed to the electric motor 245.
- the electric motor 245 is a servo motor or a stepping motor capable of reciprocating rotational movement. When the electric motor 245 rotates in one direction, the four-bar parallel link spreads in a rectangular shape and opens the tablet dropping path 232.
- the four-bar parallel link closes in a single plate shape and closes the tablet dropping path 232.
- the holding mechanism 230 closes to receive the tablet 10 when not cut, and opens when the tablet 10 and the half tablet 10a that is the tablet cutting piece are dropped and discharged.
- the falling tablet guide member 231 (shown only in the lower end portion in FIG. 15, see FIG. 16 for the whole) has a structure in which the width and diameter of the tablet dropping path 232 can be increased or decreased.
- the falling tablet guide member 231 can be composed of two divided guide members that are arranged in the left or right direction, or at least in the vicinity of the cutting mechanism 240. By changing the mutual distance between the two divided guide members, the width and diameter of the tablet dropping path 232 are expanded or reduced.
- a distance changing mechanism for changing the mutual distance between the two divided guide members is arbitrary.
- This distance changing mechanism and the above-described lifting mechanism 244 cooperate in accordance with the control of the control device, so that the indwelling position or cutting position of the tablet with respect to the pair of opposed blades 241 and 242 for various types of tablets can be set.
- a tablet position adjusting means for appropriately adjusting is embodied. Specifically, the tablet placement position (cutting position) is automatically adjusted by adjusting the width of the tablet drop path 232 of the drop tablet guide member 231 based on the drug information of the tablet to be cut and moving the holding mechanism 230 up and down. It has come to be adjusted.
- the falling tablet guide member 231 narrows the width of the tablet dropping path 232 and raises the holding mechanism 230.
- the falling tablet guide member 231 increases the width of the tablet dropping path 232 and lowers the holding mechanism 230.
- the falling tablet guide member 231 narrows the width of the tablet dropping path 232 and lowers the holding mechanism 230.
- the posture is stabilized in the tablet dropping path 232 surrounded by the falling tablet guide member 231 and the intended cutting part is a pair of opposed blades 241,242. Located between.
- FIG. 17 (a) to 17 (e) all show a falling tablet guide member 231 that surrounds the tablet dropping path 232, a pair of opposed blades 241, 242, a holding mechanism 230, and tablet detection members 228, 229 provided facing the same.
- 18 (a) to 18 (d) are plan views of the cutting mechanism 240.
- the cassette identification information on the bottom surface of the tablet cassette 221 is stored in the feeder base part 227. It is read by the identification information reading unit 227A. Drug information is acquired from the read cassette identification information by database search of the control device or the like.
- those that may be attached to the tablet dividing device 220 have their cassette identification information and drug information of the stored drugs set in the database in advance, and access to the database Thus, information necessary for appropriately cutting the tablet 10 to be cut, particularly shape information, can be obtained.
- the tablet dropping path 232 of the falling tablet guide member 231 is expanded and contracted and the holding mechanism 230 is moved up and down, and automatic adjustment is performed according to the tablet to be cut.
- the pair of opposed blades 241 and 242 of the cutting mechanism 240 are in an open state, and the holding mechanism 230 is in a normal closed state, whereby preparations for tablet cutting are made (see FIG. 17A).
- the tablet detection member 228 detects the falling of the tablet.
- the tablet 10 is further dropped and then received by the holding mechanism 230, and the tablet 10 is held at the cutting position.
- the tablet 10 is retained between the pair of opposed blades 241 and 242 (see FIG. 17B). If the tablet 10 is equally divided into two, the cutting position is that the center of the tablet 10 comes between the pair of opposed blades 241,242.
- the pair of opposed blades 241 and 242 of the cutting mechanism 240 bring the blade edges close to each other, and the blade edges come into contact with each other, whereby the tablet 10 is divided into two vertically (see FIG. 17C).
- the holding mechanism 230 is opened, and the half tablet 10b, which is the lower tablet cutting piece, falls (see FIG. 17D).
- the pair of opposed blades 241 and 242 are also opened, and the upper half tablet 10a which is the upper tablet cutting piece is dropped.
- the tablets 10 to be cut are fed into the cutting mechanism 240 one by one and cut by the pair of opposed blades 241, 242, and the tablet cut pieces are individually dropped and discharged. If the cutting mechanism 240 and the holding mechanism 230 are both open, the tablet 10 simply passes and falls, so that the tablet 10 can be discharged without being cut.
- the tablet 10 When the tablet 10 is cut by the cutting mechanism 240, if the four-bar parallel link is rectangular and the pair of opposed blades 241 and 242 are open (see FIG. 18A), the tablet 10 is in between. Enters and preparations for cutting are made (see FIG. 18B). Thereafter, the four-bar parallel link is deformed into a rhombus and the opposing gap between the pair of opposing blades 241 and 242 is narrowed (see FIG. 18C), and when the cutting edges of the pair of opposing blades 241 and 242 come into contact, the tablet 10 is completely It is cut (see FIG. 18D). At that time, since the pair of opposed blades 241 and 242 are relatively displaced in the parallel direction, the tablet 10 is cut cleanly because the cutting is made in the reverse direction from the front and back of the tablet 10.
- FIGS. 19A and 19B show the configuration of the main part of the eighth embodiment.
- This embodiment is different from the seventh embodiment in that the drive motor 244 'is driven by the electric motor 237' together with the drive gear 236 '.
- the other electric motor 245 (FIG. 15) becomes unnecessary, and the mechanism part is simplified correspondingly.
- the holding mechanism 230 ' is closed in parallel with the opening of the cutting mechanism 240' (see FIG. 19A), while the holding mechanism 230 'is in parallel with the closing of the cutting mechanism 240'. It opens (see FIG. 19B).
- the cutting mechanism 240 ′ is opened and the holding mechanism 230 ′ is closed (see FIG. 19A), and the tablet is held at the cutting position by the holding mechanism 230 ′.
- the cutting mechanism 240 ′ is closed and the holding mechanism 230 ′ is opened (see FIG. 19B).
- the tablet is divided vertically by the closing operation of the cutting mechanism 240 '. Then, the lower half lock falls, but the upper half lock stays on the cutting mechanism 240 '.
- the cutting mechanism 240 ′ is opened and closed again and the holding mechanism 230 ′ is closed and opened, the upper half lock is also dropped.
- the tablets are divided into upper and lower parts, and the tablet trim pieces are discharged individually.
- FIGS. 22 (a) to 22 (d) are rear views of the periphery of the tablet dropping path, all shown in partial cross section.
- the tablet dividing device 320 (see FIG. 20) is compactly mounted in a small casing 351 equipped with a display unit 353 and an operation unit 352 on an inclined surface at the upper part of the front surface so as to be easy to use as an independent desktop type dedicated machine.
- the tablet feeder base portion 327 is mounted on the upper surface of the housing 351, and a falling tablet guide member 331 is built in along with the cutting mechanism 340 in an obliquely lower side, and a drawable half-lock receiving box 355 is inserted below the tablet feeder base portion 327.
- a control device 354, a power source, and the like are also incorporated in the housing 351.
- the main difference between the tablet dividing apparatus 320 and the tablet dividing apparatus 220 of the seventh embodiment described above is that a receiving member 356 and an electric motor 357 are introduced in place of the holding mechanism 230 and the electric motor 245.
- the falling tablet guide member 331 no longer expands / contracts, the falling tablet guide member 331 is tilted rather than vertical, and the cutting mechanism 340 receives the same tilt angle as the falling tablet guide member 331 tilts.
- the member 356 is also inclined.
- the falling tablet guide member 331 except for the part directly below the tablet introduction part 327c, is largely tilted from the vertical by an angle ⁇ (see FIG. 21 (a)), and in the cross section of each part. Is also inclined from the vertical by an angle ⁇ (see FIG. 21B).
- the inclination angle ⁇ is relatively large, for example, 45 ° so that the tablet 10 rolls or slides down on the lower inner surface of the falling tablet guide member 331. Since the tilt angle ⁇ may be such that the tablet 10 leans lightly, it is smaller than the tilt angle ⁇ and is set to 15 °, for example. Even if the falling tablet guide member 331 tilted in this way is a simple member that does not expand or contract, the falling tablet contacts and supports the lower two sides. The posture can be stabilized.
- the receiving member 356 is a simple single plate that does not open / close and deform (see FIG. 21A), and only moves up and down the tablet dropping path surrounded by the falling tablet guide member 331 by driving the electric motor 357. ing.
- the long round tablet 312 is held at the cutting mechanism 340, it is located near the lower end of the falling tablet guide member 331 (see FIG. 21A), and the large round tablet 311 is slightly moved to the cutting mechanism 340.
- Approaching see FIG. 21B
- the small and round tablet 10 comes closest to the cutting mechanism 340 (see FIG. 21C).
- Such an operation for adjusting the tablet detention position is the same as described above.
- the above described operation is performed.
- the receiving member 356 is greatly lowered (see FIG. 21D). That is, when the receiving member 356 is lowered, the separation distance between the receiving member 356 and the falling tablet guide member 331 is widened, and the tip of the falling tablet guide member 331 is sufficiently released, the tablets and tablet fragments are It passes through and falls.
- the falling tablet guide member 331 becomes a fixed member, and the operation of the receiving member 356 becomes a single unit, and the mechanism and motor for driving them are reduced or simplified. Instead, the tablet is divided up and down, and the tablet trim pieces are discharged individually.
- FIG. 23 shows a simplified elevation view of the principal part mechanism of the tenth embodiment.
- the tablet dividing apparatus of the tenth embodiment is different from that of the ninth embodiment described above in that the cutting mechanism 340 'is interposed between the falling tablet guide member 331' and the receiving member 356 '.
- the direction is the middle of the tilt direction of the falling tablet guide member 331 ′ and the tilt direction of the receiving member 356 ′.
- the cutting mechanism 340 ' is vertical
- the falling tablet guide member 331' is tilted about 45 ° counterclockwise from the vertical
- the receiving member 356 ' is about 45 ° clockwise from the vertical. Tilted.
- the receiving member 356 ′ is at the line-symmetrical position B of the falling tablet guide member 331 ′ with respect to the cutting mechanism 340 ′, the circular or spherical round tablet is divided into two equal parts regardless of the diameter. Is done.
- the receiving member 356 ' moves to an appropriate position C according to the shape indicated by the drug information, and when the tablet or tablet cutting fragment is further dropped, The receiving member 356 ′ moves greatly away from the lower end of the cutting mechanism 340 ′ and the falling tablet guide member 331 ′ to a position D suitable for tablet passage. Therefore, also in this case, the tablet is divided into upper and lower parts without any delay, and the tablet trim pieces are discharged individually.
- drug information is searched from the cassette identification information read by the identification information reading unit 227A to grasp the shape of the tablet.
- the tablet is operated by operating the operation unit 352. It is also possible to input the shape information and the number of processed tablets and visually check it on the display unit 353.
- the falling tablet guide member 231 or the like may be provided with a length measuring device such as a line CCD, and the holding mechanism 230 and the receiving member 356 may be moved according to the length measurement result. Since a drug information database is not required, the initial setting and data updating operations are reduced.
- FIG. 24 is a perspective view of a main part of the tablet dividing device 420 using a rotary blade.
- the tablet dividing device 420 includes a falling tablet guide member 431, a tablet sequential supply unit 419, a cutting mechanism 440, and a control device and a support member (not shown).
- the tablet sequential supply unit 419 may be a known one as long as the tablets 10 to be divided can be dropped and discharged one by one.
- known tablet sequential supply units disclosed in JP-A-11-226088 and JP-A-11-226089 can be used.
- the tablet sequential supply unit 419 includes, for example, a detachable and replaceable tablet cassette 421 and a tablet feeder base portion 427 to which the tablet cassette 421 can be attached and detached.
- the tablet feeder base portion 427 is equipped with a gear and a motor that are responsible for discharging the mounted tablet cassette 421.
- the tablet introduction part 427c of the tablet feeder base part 427 is formed with a through-hole into which the tablet 10 discharged from the tablet cassette 421 is inserted, and a tablet detection member for detecting the tablet 10 falling through the hole. 428 is attached.
- the falling tablet guide member 431 constitutes a part of the tablet dropping path 432 of the tablet 10 before cutting that feeds the falling tablets 10 supplied one by one from the tablet sequential supply unit 419 to the cutting mechanism 440.
- the falling tablet guide member 431 may be a vertically-placed cylindrical body as shown in the figure as long as the height difference between the tablet sequential supply unit 419 and the cutting mechanism 440 is eliminated.
- a duct or chute installed diagonally may be used, it may be bent appropriately, and an opening / closing shutter for adjusting the passage timing is attached. Also good.
- the cutting mechanism 440 includes, for example, a thin disk-shaped rotary blade 441 made of a commercially available shaft-equipped round diamond cutter, an electric motor 447 for rotational drive that supports the rotary blade 441 with a rotary shaft, and rotates the shaft. Tablet transfer mechanisms 461 to 464 for feeding the tablet 10 to the rotary blade 441 are provided. In this example, since the electric motor 447 and the rotary blade 441 are installed in a posture in which the rotation axis is horizontal, the rotary blade 441 cuts the tablet 10 vertically.
- the tablet transfer mechanisms 461 to 464 support a drum-shaped rotating body 461 disposed in a tablet dropping path 432 from directly under the falling tablet guide member 431 to the rotary blade 441, and support the rotating body 461 with a rotating shaft.
- An electric motor 464 for rotational driving that rotates the shaft is provided.
- the electric motor 464 and the rotating body 461 are also installed in such a posture that the rotation axis is horizontal in accordance with the direction of the rotary blade 441.
- Rotating body 461 is made, for example, by engraving from a single short cylinder.
- An annular groove 462 into which the rotary blade 441 can be loosely inserted is formed in the outer periphery of the rotary body 461.
- a plurality of bottomed holes 463 are formed in the outer peripheral portion of the rotating pair 461 at a portion overlapping the groove 462.
- the groove 462 and the plurality of bottomed holes 463 communicate with each other.
- the bottomed hole 463 may be only one or plural, but in any case, the shape of the opening is substantially rectangular, the pair of long sides are orthogonal to the groove 462, and equally divided on both sides of the groove 462. It extends.
- the bottomed hole 463 is carved as it is from the rectangular opening.
- the depth of the bottomed hole 463 is close to the diameter of the tablet 10, the short side of the bottomed hole 463 is slightly larger than the thickness of the tablet 10, and the aforementioned long side is slightly larger than the diameter of the tablet 10. Therefore, when the bottomed hole 463 comes directly below the falling tablet guide member 431, the bottomed hole 463 can receive the tablet 10 dropped from the falling tablet guide member 431. Furthermore, the depth of the groove 462 is slightly deeper than the bottomed hole 463 so that when the bottomed hole 463 arrives at the rotary blade 441, the rotary blade 441 reaches the bottom of the bottomed hole 463. .
- a fitting hole for inserting a rotating shaft is formed in the shaft center portion of the rotating body 461.
- the rotating shaft of the electric motor 464 is fitted into the fitting hole so as to be able to rotate.
- the bottomed hole 33 has a tablet receiving position where the bottomed hole 33 is directly below the falling tablet guide member 431 and the opening is directed upward.
- a tablet cutting position where a portion of the groove 462 is present and a tablet discharge position where the opening is directed downward or obliquely downward are circulated.
- a control device (not shown) operates the tablet sequential supply unit 419 to discharge the tablet 10 and detects the drop of the tablet with the tablet detection member 428 for confirmation. Then, the controller puts the tablets 10 one by one into the falling tablet guide member 431, waits for the time required for the dropped tablets 10 to enter the bottomed hole 463, and then turns the electric motor 447 on. The rotary blade 441 is operated to rotate and the electric motor 464 is operated to rotate the rotating body 461.
- the usage mode and operation of the tablet dividing apparatus 420 of this embodiment will be described. Although illustration is omitted, a typical usage mode of the tablet dividing device 420 is to be incorporated and operated in a tablet storage or a tablet collecting mechanism of a tablet packaging machine as in the past.
- the control device may be embodied by a lower device that receives a division command from the control device of the tablet packaging machine, or may be embodied by a part of a program installed in the control device of the tablet packaging machine.
- the tablet dividing device 420 cuts the tablet 10 with the rotary blade 441 and divides it into two half tablets 10a, 10b (a plurality of tablet cutting fragments)
- the tablet dividing device 420 follows the control of the control device. To work.
- One tablet 10 is discharged from the tablet cassette 421, and the tablet 10 is put into the tablet introduction part 427c.
- the tablet detecting member 428 confirms that the tablet 10 has dropped
- the further dropped tablet 10 is guided to the rotating body 461 by the falling tablet guide member 431.
- any bottomed hole 463 of the rotating body 461 comes directly below the falling tablet guide member 431 and faces upward. It has become.
- the dropped tablet 10 enters the upward bottomed hole 463.
- the tablet 10 is vertically oriented by the falling tablet guide member 431 and fits in the bottomed hole 463 in the vertically oriented posture. Since the play allowance of the tablet 10 in the bottomed hole 463 is small, the tablet 10 is stably held in the bottomed hole 463.
- the rotating body 461 rotates and the tablet 10 is fed into the rotary blade 441 together with the bottomed hole 463. Since the bottomed hole 463 is equally arranged on both sides of the groove 462, the tablet 10 is divided into two equal parts by the rotating blade 441 entering the groove 462 and rotating, and two half tablets 10a and 10b are obtained. It is done. When the rotating body 461 further rotates and the bottomed hole 463 faces downward, the half tablets 10a and 10b come out of the bottomed hole 463 and fall. When only one tablet is divided, the rotation of the rotating body 461 stops when the empty bottomed hole 463 comes immediately below the falling tablet guide member 431 in preparation for the next division. When a plurality of tablets 10 are divided, the tablets 10 are dropped one by one each time an empty bottomed hole 463 comes directly under the falling tablet guide member 431, and can be processed efficiently.
- FIG. 25A is a front view of the tablet dividing device 520
- FIG. 25B is a right side view thereof
- FIG. 25C is a perspective view of the cutting mechanism 440.
- This tablet splitting device 520 is different from the tablet splitting device 420 of the first embodiment described above in that it is a dedicated machine independent of the tablet packaging machine, and the cutting mechanism 440 is modified to constitute the cutting mechanism 540. It is a point that has been.
- the tablet splitting device 520 (see FIGS. 25A and 25B) is a small casing equipped with a display unit 552 and an operation unit 553 on an inclined surface at the upper part of the front surface so as to be easy to use as an independent desktop type dedicated machine. 551 is compactly mounted. A tablet feeder base portion 527 to which the tablet cassette 421 can be attached and detached is mounted on the upper surface of the housing 551. A falling tablet guide member and a cutting mechanism 540 are incorporated below or obliquely below, and a half-tablet that can be pulled out below. A receiving box 555 is inserted. A control device 554, a power source, and the like are also incorporated in the housing 551.
- the cutting mechanism 540 is different from the cutting mechanism 440 shown in FIG. 24 in that two movable lids 566 and 566 are provided in each of the bottomed holes 563 in the outer peripheral portion of the rotating body 561.
- the movable lid 566 swings to open and close the opening of the bottomed hole 563.
- Two movable lids 566 and 566 are disposed on both sides of the groove 562 so as not to interfere with the rotary blade 541.
- the movable lid 566 swings as the rotating body 461 rotates. For example, at the tablet receiving position where the tablet 10 is received in the bottomed hole 563, the bottomed hole 563 swings to the open side by interference with an appropriate temporary engagement member (not shown).
- the movable lid 566 swings toward the closing side for closing the bottomed hole 563 by its own weight at the rotary blade 441, that is, at the tablet cutting position. Further, the movable lid 566 swings to the open side by its own weight at the tablet discharge position where the half tablets 10a and 10b are released from the bottomed hole 563.
- FIG. 26A is a development view of the cutting mechanism 640
- FIG. 26B is a perspective view thereof.
- This tablet dividing apparatus is different from the above-described embodiment shown in FIGS. 24 and 25 in that the longitudinal cutting mechanism is changed to a transverse cutting mechanism 640.
- the cutting mechanism 640 employs a combination of two divided rotating bodies 671 and 675 instead of the integrally rotating body 461 of FIG.
- the divided rotating bodies 671 and 675 and the rotary blade 641 are also installed in a posture in which the rotation axis is vertical.
- the split rotating body 671 is mainly composed of a wheel-shaped ring portion, for example.
- a plurality of through holes 672 are formed in the ring portion. Only one or a plurality of through holes 672 may be provided.
- Each of the through holes 672 penetrates the ring part up and down.
- the opening and the cross section of the through-hole 672 are substantially rectangular, the depth is close to half the diameter of the tablet 10, the short side is slightly larger than the thickness of the tablet 10, and the long side is slightly larger than the diameter of the tablet 10. . It is attached to a rotating shaft of an electric motor (not shown) via an appropriate rod 673 and hub 674.
- the split rotator 675 is similar to the split rotator 671, for example, mainly having a wheel-shaped ring portion, and a through hole 676 is formed therein.
- the same number of through holes 676 are provided in the same arrangement as the through holes 672.
- Each of the through-holes 676 penetrates up and down, has an opening or a cross section that is substantially rectangular, has a depth close to half the diameter of the tablet 10, and has a short side slightly larger than the thickness of the tablet 10, The long side is slightly larger than the diameter of the tablet 10.
- the split rotator 675 is also attached to a rotating shaft of an electric motor (not shown) via a rod 677 and a hub 678.
- the divided rotating body 675 is installed immediately below the divided rotating body 671, and an annular groove 662 into which the rotary blade 641 can enter is formed by a gap between them.
- each through-hole 672,676 forms the hole H which can receive the tablet 10 which fell from the falling tablet guide member 431.
- Each of these holes H communicates with the groove 662.
- a semicircular fixing plate 679 is arranged as a tablet transfer mechanism in addition to the above-described divided rotating bodies 671, 675. Since the fixed plate 679 is provided directly below the divided rotating body 675, a through hole is formed in the tablet transfer path portion from the tablet receiving position below the falling tablet guide member 631 to the tablet cutting position with the rotary blade 641. The bottom surface of 676 is closed, and the bottom surface of the through hole 676 is released when the rotary blade 641 is passed in the tablet transfer path.
- any one of the holes H formed in the divided rotating bodies 671, 675 is dropped tablet guide.
- the tablet 10 is received in a vertical orientation in the hole H. In this position, the bottom of the hole H is closed by the fixing plate 679, and the play allowance of the tablet 10 in the hole H is small, so that the tablet 10 is stably held in the hole H in this case as well.
- the divided rotating bodies 671 and 675 are rotated, and the tablet 10 is fed into the rotary blade 641 together with the holes H.
- the tablet 10 is divided into two equal parts up and down by the rotating blade 641 that enters and rotates into the groove 662 to form two half tablets 10a and 10b.
- the tablet 10 is fed to the rotary blade 641 by a simple and adjustment-free tablet transport mechanism, and is divided into half tablets 10a and 10b by the rotary blade 641.
Abstract
Description
本発明の錠剤分割装置の大の実施例について、その具体的な構成を説明する。なお第1の実施例の理解の前提として、図1を用いて、従来の構造により錠剤を裁断する場合の問題ついて説明する。刃41を錠剤に切り込むときに、錠剤10が保持機構30に接触していると、刃が一枚の場合も(図1(a),(b)参照)、刃が一対の対向枚の場合も(図1(c),(d)参照)、錠剤10の変形や変位に起因して保持機構30から錠剤10に反力Fが作用する。この反力Fが刃41,42を基準にして錠剤10の非対称位置に作用すると、錠剤10の内部において刃41,42の切り込み先に発生する割れ11が曲がったり大きくなったりする。反力Fの発生位置や大きさは、錠剤10の表面の微細な欠けや,錠剤10の表層または内部の割れ,錠剤10と保持機構30との接触部位に付着した破片などの有無および存在箇所によって種々変動するものである。
本発明の錠剤分割装置の第2の実施例について、その具体的な構成を、図面を引用して説明する。図7は、(a)が錠剤通過経路を遮断するように錠剤に一対の対向刃を移動させる横刃タイプの錠剤分割装置20´の全体斜視図、(b)がその展開斜視図、(c)が保持機構30の要部の縦断面と対向刃41´,42´との側面図である。
本発明の錠剤分割装置の第3の実施例について、その具体的な構成を、図面を引用して説明する。図8は、(a)が保持機構30"の要部の正面図であり、(b)が保持機構30"の要部の縦断面と一対の対向刃41",42"との側面図であり、縦刃タイプの錠剤分割装置に係る他の構造例を示している。
本発明の錠剤分割装置の第4の実施例について、その具体的な構成を、図面を引用して説明する。図9は、(a)が三分割用の刃先の形であり、(b)が四分割用の刃先の形であり、分割数が二分割より多い錠剤分割装置の構造例を示している。
なお、図示は割愛したが、第1の実施例における保持機構30による錠剤保持解除を保持機構30の動作だけで行う他の変形例も述べる。例えば、受止部材34が開いて錠剤10から離れるとともに、落下錠剤案内部材31のうち裁断位置33を含む部分も可動式にして錠剤10から離れるようにする。このようにすれば、一対の対向刃41,42にて挟持された錠剤10から保持機構30を離れさせる動作を保持機構30に行わせることだけで、保持機構30による錠剤保持を解除させることができる。
図10~図13に示した第5の実施例は、円板状の錠剤の分割に好適なものである。また、図14に示した第6の実施例は、その変形例であって、細長い錠剤の分割に好適なものである。なお、これら図においても、図1乃至図9と同様に、簡明化等のため、ボルト等の締結具や,ヒンジ等の連結具,電動モータ等の駆動源,ギヤ等の伝動部材,モータドライバ等の電気回路,コントローラ等の電子回路の詳細などは図示を省略し、実施例の説明に必要なものや関連するものを中心に図示した。
本発明の錠剤分割装置の第6の実施例について、その具体的な構成を、図面を参照して説明する。図14(a)~(d)は、何れも、第6の実施例で用いる保持機構130´の要部の正面図である。この錠剤分割装置が上述した第5の実施例の錠剤分割装置120と相違するのは(図14(a)参照)、錠剤落下経路132´の上流部分経路132´aのL字状クランクの曲がり角度が大きくなっている点と、左側分岐経路132´bの分岐口と左側経路開閉部材134´bが上流側に移設された点と、スリット135´が上流部分経路132aに対して直交するようスリット135´の向きが変更された点と、図示は割愛したが一対の対向刃141´,142´の向きもスリット135´と同じく変更されている点である。これらの相違点により、本実施例の錠剤分割装置は、細長い円柱状や角材状の錠剤10を長手方向に二分割するのに好適なものとなっている。
本発明の錠剤分割装置の第7の実施例1について、その具体的な構成を、図面を参照して説明する。図15は、錠剤分割装置220の要部機構の展開斜視図であり、筐体や支持部材などの図示は割愛している。また、図16(a)~(c)は、いずれも、錠剤通過経路をなす落下錠剤案内部材231とそれに臨んで設けられた一対の対向刃241~242及び保持機構230の簡略正面図である。
図19(a),(b)に第8の実施例の要部の構成を図示する。この実施例では、第7の実施例とは、駆動ギヤ244´の駆動を駆動ギヤ236´と一緒に電動モータ237´が行う点で相違する。これにより、もう1台の電動モータ245(図15)が不要になって、その分だけ機構部が簡素化されている。そして、本実施例では、裁断機構240´が開くのと並行して保持機構230´が閉じる一方(図19(a)参照)、裁断機構240´が閉じるのと並行して保持機構230´が開くようになっている(図19(b)参照)。
本発明の錠剤分割装置の第9の実施例について、その具体的な構成を、図面を参照して説明する。図20(a)~(c)は、錠剤カセット321を装着した錠剤分割装置320の全体外観を示し、(a)が平面図、(b)が正面図、(c)が右側面図である。また、図20(d)は、錠剤分割装置320から錠剤カセット321を外した状態の右側面図である。さらに、図21は、(a)が一部断面で示した要部機構の背面図、(b)が落下錠剤案内部材331のA-A線矢視断面図である。また、図22(a)~(d)は、いずれも一部断面で示した錠剤落下経路周辺の背面図である。
図23に第10の実施例の要部機構の簡略立面図を示す。第10の実施例の錠剤分割装置が上述した第9の実施例のものと相違するのは、裁断機構340´が落下錠剤案内部材331´と受止部材356´との間に介挿設置されていて、落下錠剤案内部材331´の傾斜方向と受止部材356´の傾斜方向との真ん中の方向を向いている点である。図示した具体例の場合、裁断機構340´が鉛直になっており、落下錠剤案内部材331´が鉛直から反時計回りに45゜ほど傾き、受止部材356´が鉛直から時計回りに45゜ほど傾いている。
裁断装置としては、円板状の回転刃を回転させながら錠剤に切り込むものを採用することもできる。図24は、回転刃を用いて錠剤分割装置420の要部の斜視図である。この錠剤分割装置420は、落下錠剤案内部材431と錠剤逐次供給部419と裁断機構440と図示しない制御装置や支持部材とを具えている。錠剤逐次供給部419は、分割対象の錠剤10を一つずつ落下排出できれば公知のもので足る。例えば、特開平11-226088号公報及び特開平11-226089号公報に示された公知の錠剤逐次供給部を用いることができる。錠剤逐次供給部419は、例えば着脱式で取り替え可能な錠剤カセット421と、錠剤カセット421を着脱自在な錠剤フィーダベース部427とからなる。錠剤フィーダベース部427には、装着された錠剤カセット421の排出駆動を担うギアやモータが装備されている。また、錠剤フィーダベース部427の錠剤導入部427cには、錠剤カセット421から排出された錠剤10の投入される貫通穴が形成されており、そこを通って落下する錠剤10を検出する錠剤検出部材428が付設されている。
本発明の錠剤分割装置の第12の実施例について、その具体的な構成を、図面を参照して説明する。図25は、(a)が錠剤分割装置520の正面図、(b)がその右側面図、(c)が裁断機構440の斜視図である。
本発明の錠剤分割装置の第13の実施例について、その具体的な構成を、図面を参照しながら説明する。図26は、(a)が裁断機構640の展開図、(b)がその斜視図である。
Claims (18)
- 分割対象の錠剤を裁断位置に保持する保持機構と、
前記裁断位置に保持された前記錠剤を裁断する裁断機構と、
上端開口部、下端開口部及び前記上端開口部と前記下端開口部との間に位置する側面開口部を有し且つ途中に前記裁断位置を備えて、重力で落下する前記錠剤を案内する溝状の錠剤落下経路を備えた落下錠剤案内部材と、
前記錠剤落下経路のうち前記裁断位置より上流の部分を含む前記錠剤落下経路の前記側面開口部の一部または全部を覆う溝深規定部材と、
前記錠剤落下経路の前記側面開口部と対向する溝底と前記溝深規定部材の溝底対向面との相対距離を変更する経路厚み調整機構と、
前記裁断機構および前記保持機構の動作手順を規定する裁断動作規定手段を含む制御装置とを備え、
前記裁断機構は、それぞれ移動待機位置と移動完了位置との間を変位する一対の対向刃を備え、前記一対の対向刃を共に前記移動待機位置から前記移動完了位置に変位させて前記裁断位置にある前記錠剤を裁断するように構成され、
前記裁断動作規定手段が、前記一対の対向刃が共に前記移動待機位置から前記移動完了位置に変位するときに、前記一対の対向刃が前記錠剤を挟むまでは前記保持機構による錠剤保持を継続させ、前記一対の対向刃が前記錠剤を挟んでからは前記保持機構による前記錠剤の保持を解除させて前記錠剤を前記一対の対向刃だけで挟持して、前記一対の対向刃を前記錠剤に切り込ませるように前記動作手順を規定しており、
前記制御装置が、前記錠剤の厚さ情報を取得して前記経路厚み調整機構を作動させることにより前記相対距離を前記錠剤の厚さに適合させることを特徴とする錠剤分割装置。 - 分割対象の錠剤を裁断位置に保持する保持機構と、
前記裁断位置に保持された前記錠剤を裁断する裁断機構と、
前記裁断機構および前記保持機構の動作手順を規定する裁断動作規定手段とを備えた錠剤分割装置であって、
前記錠剤が分割されて得られる複数の錠剤裁断片の重量のバラツキが小さくなるように、前記裁断機構の構造及び前記裁断動作規定手段における前記裁断機構および前記保持機構の動作手順が定められていることを特徴とする錠剤分割装置。 - 前記裁断機構は、それぞれ移動待機位置と移動完了位置との間を変位する一対の対向刃を備え、前記一対の対向刃を共に前記移動待機位置から前記移動完了位置に変位させて前記裁断位置にある前記錠剤を裁断するように構成され、
前記裁断動作規定手段が、前記一対の対向刃が共に前記移動待機位置から前記移動完了位置に変位するときに、前記一対の対向刃が前記錠剤を挟むまでは前記保持機構による錠剤保持を継続させ、前記一対の対向刃が前記錠剤を挟んでからは前記保持機構による前記錠剤の保持を解除させて前記錠剤を前記一対の対向刃だけで挟持させ、前記保持機構による前記錠剤の保持が解除されてから前記一対の対向刃を前記錠剤に切り込ませるように前記動作手順を規定している請求項2に記載の錠剤分割装置。 - 前記裁断動作規定手段は、前記保持機構による前記錠剤の保持を解除させる際、その解除完了までは前記一対の対向刃の変位を一時停止させるように前記動作手順を規定していることを特徴とする請求項1または2に記載の錠剤分割装置。
- 前記裁断動作規定手段は、前記保持機構による前記錠剤の保持を解除させる際、前記一対の対向刃にて挟まれた前記錠剤から前記保持機構を離れさせる動作と、前記錠剤を挟んだ前記一対の対向刃を前記保持機構から離れる方向に移動させて前記錠剤を前記保持機構から離す動作とのうち、何れか一方または双方の動作を行わせるように前記動作手順を規定していることを特徴とする請求項3または請求項4に記載の錠剤分割装置。
- 上端開口部、下端開口部及び前記上端開口部と前記下端開口部との間に位置する側面開口部を有し且つ途中に前記裁断位置を備えて、重力で落下する前記錠剤を案内する溝状の錠剤落下経路を備えた落下錠剤案内部材と、
前記錠剤落下経路のうち前記裁断位置より上流の部分を含む前記錠剤落下経路の前記側面開口部の一部または全部を覆う溝深規定部材と、
前記錠剤落下経路の前記側面開口部と対向する溝底と前記溝深規定部材の溝底対向面との相対距離を変更する経路厚み調整機構と、
前記錠剤の厚さ情報を取得して前記経路厚み調整機構を作動させることにより前記相対距離を前記錠剤の厚さに適合させる制御装置とをさらに備えている請求項1に記載の錠剤分割装置。 - 前記保持機構は、前記錠剤落下経路内に配置されて前記錠剤落下経路を部分的に塞ぐことにより、前記錠剤落下経路を下ってきた前記分割対象の錠剤を前記裁断位置に一時保持する受止部材を備えており、
前記制御装置は前記受止部材の作動と前記裁断機構の作動とを関連して制御する請求項1または6に記載の錠剤分割装置。 - 前記錠剤落下経路内には、前記裁断位置より上流に設けられていて前記錠剤落下経路の溝幅を調整する溝幅調整機構をさらに具備し、
前記制御装置が、前記錠剤の幅情報を取得して前記溝幅調整機構を作動させることにより前記溝幅を前記錠剤の幅に適合させることを特徴とする請求項1または6に記載の錠剤分割装置。 - 前記裁断機構は、前記一対の対向刃が前記移動待機位置から前記移動完了位置に変位する過程で前記錠剤を前記錠剤落下経路の前記側面開口部と対向する前記溝底から浮かせ、その後に裁断を完遂するように構成されていることを特徴とする請求項1または6に記載の錠剤分割装置。
- 前記一対の対向刃の一方は、前記溝底を貫通して変位し、前記一対の対向刃の他方は前記溝深規定部材を貫通して変位するように配置されている請求項9に記載の錠剤分割装置。
- 前記裁断機構は、前記一対の対向刃の一方または双方が、外力にて前記移動待機位置側に押されると可動範囲内で後退するようになっており且つその後退時には当初から又は後退途中から前記錠剤の重さより強い力で前進側に付勢されるように構成されていることを特徴とする請求項10に記載の錠剤分割装置。
- 前記錠剤落下経路のうち前記裁断位置より上流側の部分が、蛇行していることを特徴とする請求項11に記載の錠剤分割装置。
- 前記錠剤落下経路が前記裁断位置で又はその下流側で分岐していて、そこから下流側の部分が二つの分岐経路になっており、
前記受止部材が二つの経路開閉部材を含んでおり、
前記二つの経路開閉部材がそれぞれ前記二つの分岐経路の分岐箇所近傍に設けられていて対応する前記分岐経路を開閉するものであって、しかも前記裁断位置の両側に分かれて配置されていることを特徴とする請求項6に記載の錠剤分割装置。 - 前記制御装置は、前記錠剤の裁断後に前記裁断機構の前記一対の対向刃を前記移動完了位置から前記移動待機位置に退かせる時期と、前記二つの経路開閉部材それぞれに該当分岐箇所を開通させる時期の前後を入れ替えることにより、前記錠剤が分割されて得られた前記錠剤裁断片を前記分岐経路のうち同じ経路に落下させることと前記裁断片を前記分岐経路のうち異なる経路に落下させることとを選択しうるように構成されている特徴とする請求項8に記載の錠剤分割装置。
- 前記裁断機構は、それぞれ移動待機位置と移動完了位置との間を変位する一対の対向刃を備え且つ前記一対の対向刃は、それぞれ真っ直ぐな刃であり、
前記裁断機構は、前記一対の対向刃を平行に保ちながら相反する方向へ相対的にずらすことにより、前記一対の対向刃を前記移動待機位置から前記移動完了位置に変位させて前記裁断位置にある前記錠剤を裁断するように構成されていることを特徴とする請求項2に記載の錠剤分割装置。 - 前記裁断機構が四節平行リンクを具備したものであり、前記一対の対向刃が前記四節平行リンクの対向二辺に装備されていることを特徴とする請求項15に記載の錠剤分割装置。
- 前記保持機構は、前記分割対象の錠剤を前記裁断位置に一時保持する受止部材を備えており、
前記受止部材を移動させて前記一対の対向刃に対する前記錠剤の前記裁断位置を調整する錠剤位置調整手段と、
前記錠剤の薬剤情報を取得する情報取得手段とをさらに備え、
前記制御装置は、前記情報取得手段が取得した薬剤情報に基づいて前記錠剤位置調整手段を作動させ、さらに前記受止部材の作動と前記裁断機構の作動とを関連して制御する請求項15または16に記載の錠剤分割装置。 - 前記裁断機構は、回転刃を備えており、
前記保持機構は、保持した前記錠剤を前記裁断位置に送り込む錠剤移送機構を具備しており、
前記錠剤移送機構は、回転軸を中心にして回転する回転体と前記回転体を駆動する駆動部材とを備えており、前記回転体には前記回転軸を中心とする外周部に前記錠剤を受け入れる複数の錠剤受け入れ部が周方向に等間隔をあけて配置されており、前記回転体の前記外周部には前記周方向に連続して延びて前記複数の錠剤受け入れ部と連通し且つ前記回転刃が一部入り込んで前記錠剤受け入れ部に保持された前記錠剤を分割することを許容する環状の溝が形成されており、
前記錠剤受け入れ部が錠剤供給位置に来たときに前記錠剤が前記錠剤受け入れ部に投入され、前記錠剤受け入れ部が錠剤排出位置に来たときに分割された前記錠剤が前記錠剤受け入れ部から排出されるように前記錠剤移動移送機構が構成されている請求項1または2に記載の錠剤分割装置。
Priority Applications (6)
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US13/812,674 US8925434B2 (en) | 2010-07-29 | 2011-04-13 | Tablet splitting apparatus |
EP11812128.4A EP2599471B1 (en) | 2010-07-29 | 2011-04-13 | Tablet splitting device |
AU2011284029A AU2011284029B2 (en) | 2010-07-29 | 2011-04-13 | Tablet splitting apparatus |
DK11812128.4T DK2599471T3 (en) | 2010-07-29 | 2011-04-13 | Tablet Parts Interior |
CN201180037103.XA CN103096864B (zh) | 2010-07-29 | 2011-04-13 | 药片分割装置 |
CA2806813A CA2806813C (en) | 2010-07-29 | 2011-04-13 | Tablet splitting apparatus |
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JP2011042955A JP5627508B2 (ja) | 2011-02-28 | 2011-02-28 | 錠剤分割装置 |
JP2011-042955 | 2011-02-28 |
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EP (1) | EP2599471B1 (ja) |
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CN103096864B (zh) | 2014-10-08 |
EP2599471A4 (en) | 2017-02-22 |
EP2599471A1 (en) | 2013-06-05 |
US20130125722A1 (en) | 2013-05-23 |
AU2011284029B2 (en) | 2016-08-04 |
CN103096864A (zh) | 2013-05-08 |
DK2599471T3 (en) | 2019-04-08 |
CA2806813C (en) | 2018-07-10 |
EP2599471B1 (en) | 2019-02-27 |
AU2011284029A1 (en) | 2013-03-07 |
US8925434B2 (en) | 2015-01-06 |
CA2806813A1 (en) | 2012-02-02 |
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