JP4495713B2 - Medicine packaging machine - Google Patents

Description

  The present invention relates to a medicine packaging machine.

  2. Description of the Related Art Conventionally, as a medicine packaging machine, there is a medicine packaging machine in which medicine is stored in an annular groove formed on a disk and scraped and packaged by a scraping device one by one (for example, see Patent Documents 1 and 2). In such a packaging machine, since the medicine may remain in the annular groove, the remaining medicine is cleaned by the cleaner device after completion of the packaging operation. The cleaner device includes a brush that is driven to rotate about a support shaft that is orthogonal to the radial direction of the disk, and sucks the drug scraped in the radial direction by a suction device.

Japanese Patent Publication No. 7-10684 Japanese Utility Model Publication No. 6-39789

  However, the conventional medicine packaging machine has a problem that the scraping direction by the brush is the radial direction of the disk, and it is scattered around.

  In addition, there are the following problems. That is, the brush for scraping the medicine from the annular groove has a cylindrical shape having the same radius of curvature as that of the annular groove, and the occupied space is large. In addition, during the non-cleaning operation, since the medicine attached to the brush falls, it is necessary to sufficiently clean the brush. Furthermore, it is difficult to completely remove the drug in the annular groove only by scraping with a brush.

  Then, this invention makes it a subject to provide the chemical | medical agent packaging machine which can be cleaned while preventing the scattering of the chemical | medical agent accommodated in the annular groove on a disk at least.

As a means for solving the above problems, the present invention provides:
In a medicine packaging machine that stores medicine in an annular groove formed on a disk, and scrapes the medicine one by one by a scraping device and wraps the medicine.
Provide a cleaner device for cleaning the drug remaining in the annular groove,
The cleaner device
A medicine sweeping unit that is located above the disk and includes a brush part that is in sliding contact with the annular groove, and that drives the brush part to rotate, thereby sweeping out the remaining medicine from the annular groove;
A drug recovery means for recovering the drug swept by the drug sweeping means;
Consists of
The brush portion of the medicine sweeping means is arranged so that the center of rotation forms a predetermined angle with respect to the direction orthogonal to the radial direction of the disk, and the tip position of the brush portion is a virtual plate material having an approximately elliptical shape. The annular groove is formed so as to be located on the outer surface obtained by rotating about its long axis, and is driven to rotate around a position closer to the disk side than the center of curvature of the annular groove. The medicine inside is swept away.

  With this configuration, even if the medicine swept out from the annular groove by the brush part of the medicine sweeping means is scattered, the scattering is not on the radial direction of the disk, but is almost on the disk, not only suppressing surrounding contamination, The exclusive space in the vertical direction of the medicine sweeping means can be suppressed, and the cleaner device can be made compact.

The medicine sweeping means includes a brush portion that is in sliding contact with the annular groove, and an arc shape along a cross-sectional shape of the annular groove , and at least a fin portion having fins that are in linear contact with the annular groove and that are in sliding contact with each other. This is preferable in that the medicine in the groove can be surely swept out.

  When the medicine sweeping means is rotated in the direction opposite to the rotation direction of the disk, it is preferable in that the medicine collection means can be moved in the medicine sweeping direction.

  According to the present invention, the brush part is arranged so that the center of rotation forms a predetermined angle with respect to the direction orthogonal to the radial direction of the disk, so that the swept away drug is not scattered around, It can be reliably recovered. In particular, by changing the outer shape of the medicine sweeping means, it is possible to suppress the occupied space in the vertical direction and to make a compact configuration. Further, since the cover that can cover the upper and lower sides of the medicine sweeping means by rotation is provided, it is possible to prevent the medicine from dropping during non-cleaning, and to save the trouble of cleaning. Furthermore, the exclusive space in the vertical direction of the drug sweeping means can be suppressed, and the cleaner device can be made compact.

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

  FIG. 1 shows a medicine packaging machine according to this embodiment. This medicine packaging machine is generally composed of a medicine supply unit 1, a medicine packaging unit 2, and a control unit 3. The drug supply unit 1 includes a tablet supply unit 4 and a powder supply unit 5.

  As shown in FIG. 2, the powder supply unit 5 includes a drug feeder 6, a disk 7, and a scraping device 8. The medicine feeder 6 supplies the contained medicine (mainly including powder and granules) by a fixed amount. The disk 7 is substantially donut-shaped, has an annular groove 9 on the outer periphery of the upper surface, and rotates at a constant speed by driving a motor 7a. When supplying the powder from the drug feeder 6, the powder 7 is evenly accommodated in the annular groove 9 by rotating the disk 7. The scraping device 8 scrapes the powder in the annular groove 9 in the circumferential direction by the rotation of the disk 7, then scrapes the powder in the radial direction by driving the motor 8 a, and only one package is discharged to the hopper 10. . The medicine packaging unit 2 unwinds the wrapping paper 51 wound around the roll 50, performs a predetermined printing in the printing unit 52, and then forms a tablet and / or powder supplied from the hopper 10 as a bag. Each package is accommodated and sealed with a seal portion 53.

  As shown in FIG. 3, the powder supply unit 5 is provided with a cleaner device 11 which is a characteristic part of the present invention (in FIG. 3, the drug feeder 6 and the scraping device 8 are omitted). . In the cleaner device 11, a cover member 14 and a brush member 15 are rotatably attached to a base 12 via a support piece 13.

  A suction duct 16 is attached to the base 12. The suction duct 16 is formed by connecting a vertical pipe 17 and a horizontal pipe 18, and a flange is formed in the vicinity of the suction port of the horizontal pipe 18, and a guide ring 19 is fitted therein. A suction device (not shown) is connected to the vertical tube 17.

  The support piece 13 includes a vertical wall 20 on one end side and a horizontal wall 21 extending horizontally from the lower edge thereof. The horizontal wall 21 is fixed to the base 12, and the vertical wall 20 is formed with a through hole 20 a through which the guide ring 19 passes. A mounting plate 22 is fixed to the other end of the support piece 13, and a rotational position detection sensor 24 is attached to the support plate 13 via a sensor bracket 23, and a cover motor 25 that can be driven forward and backward is attached. ing. A cam 27 provided with a magnet 26 as a detected portion is fixed to the rotating shaft of the cover motor 25 and is connected to the cylindrical portion 14 a of the cover member 14.

  The cover member 14 has a substantially box shape with an open bottom surface, and is curved so that the lower side edge of the side surface follows the annular groove 9 of the disk 7. A brush motor 28 is provided on one end surface of the cover portion, and a rotation shaft thereof protrudes inside the cover member 14 and is connected to a brush member 15 described later. A cylindrical portion 14b is formed on the other end surface of the cover member 14, and the guide ring 19 is connected thereto. Thereby, the air inside the cover member 14 can be discharged from the guide ring 19 via the suction duct 16.

  As shown in FIG. 5, the brush member 15 includes a cylindrical core member 30, a brush portion 31 made of a plurality of brushes, and a fin portion made of a pair of arc-shaped fins along the cross-sectional shape of the annular groove 9. 32. The core material 30 is made of, for example, ABS resin, and fitting holes 33 are formed on both end surfaces. Each fitting hole 33 is fitted with a rotation shaft of the brush motor 28 and a support pin 34 that is rotatably supported through the other end surface of the cover member 14. Thus, when the brush motor 28 is driven, the brush member 15 rotates around the axis of the core material 30. Further, on the outer peripheral surface of the core member 30, a groove portion 35 that extends in a longitudinal direction at a symmetrical position and to which the fin is joined, and attachment holes 36 into which the brush is fitted are formed at a plurality of locations. Each fin is made of silicone sponge or foamed silicon, and the brush is made of nylon. The brush member 15 rotates the center line C of the core material 30 that is a support shaft at a position closer to the disk 7 side than the center of curvature O of the annular groove 9, whereby the brush portion 31 causes the medicine in the annular groove 9 to move. The outer shape can be swept out. For example, the brush member 15 is formed so that the tip positions of the fin portion 32 and the brush portion 31 are positioned on the outer surface obtained by rotating a substantially elliptical virtual plate material around its long axis. . For this reason, the cleaner apparatus 11 can be made into a compact structure, and the occupied space in the medicine packaging machine can be suppressed and the medicine packaging machine itself can be downsized.

  The cleaner device 11 having the above-described configuration is disposed so that the axis of the brush member 15 substantially coincides with the radial direction of the disk 7. Then, by driving the cover motor 25 in the normal direction, the opening of the cover member 14 is positioned downward and the brush member 15 is positioned in the annular groove 9 of the disk 7 as shown in FIG. When the cover motor 25 is reversely driven by being positioned at the cleaning position, the opening of the cover member 14 is positioned upward and the brush member 15 is retracted from the annular groove 9 as shown in FIG. Positioned.

  Next, the operation of the medicine packaging machine will be described. Since the medicine packaging operation is the same as the conventional one, only the cleaning operation of the disk 7 will be referred to in the following description.

  That is, when all of the medicine stored in the annular groove 9 of the disk 7 is scraped out by the scraping device 8, the cleaner device 11 is driven, the cover member 14 is rotated, and the brush member 15 is moved into the annular groove 9 of the disk 7. 7 (a) and FIG. 8 (a) at which the medicine remaining in can be swept out is positioned. Then, by driving the brush motor 28 while rotating the disk 7, the medicine remaining in the annular groove 9 is swept out. At this time, the brush member 15 is rotated so that the medicine sweeping direction is opposite to the rotation direction of the disk 7. Thereby, the sliding contact speed by a brush and a fin is raised, and the high-speed rotation of the brush member 15 or the disk 7 becomes unnecessary. Further, the suction device (not shown) is driven. As a result, the swept away drug is discharged from the cover member 14 to the outside through the suction duct 16. In this case, even if the swept away drug is scattered, the scattering direction is on the disk 7 and the cleaner device 11 is directed. In addition, the brush member 15 slidably contacting the annular groove 9 has a configuration including not only a brush but also fins. That is, most of the remaining medicine is swept out by the brush, and the remaining little medicine is surely swept out by the fins. Therefore, the medicine does not remain in the annular groove 9 and can be reliably swept out and discharged through the suction duct 16.

  When the removal of the drug remaining in the annular groove 9 is completed as described above, the cover motor 25 is driven to rotate the cover member 14 from FIG. 8A to FIG. 14 is positioned at the retracted position shown in FIG. 7B and FIG. Thereby, even if the chemical | medical agent adhering to the brush member 15 falls, it can receive reliably with the cover member 14, and does not scatter around. In this case, it is preferable to continue the suction by the suction device for a while in preparation for the next cleaning.

  In the embodiment, the cover member 14 and the brush member 15 are separately rotated by the cover motor 25 and the brush motor 28, respectively, but as shown in FIGS. 9 and 11, a single motor is used. It is also possible to be able to rotate with.

  In FIG. 9, the one-way clutch 60 is provided on the cover member 14, and the rotation shaft of the motor 61 is connected. A driving gear 62 is integrated with the rotating shaft of the motor 61 and meshes with a driven gear 63 integrated with the core member 30 of the brush member 15. The motor 61 is driven forward and backward. During forward rotation, as shown in FIG. 10A, the one-way clutch 60 is idled, and only the brush member 15 is rotated via the drive gear 62 and the driven gear 63. The drug remaining from the annular groove 9 is swept out. Further, at the time of reverse rotation, as shown in FIG. 10B, the cover member 14 is rotated via the one-way clutch 60, the opening of the cover member 14 is directed upward, and the medicine adhered to the brush member 15 is dropped. Will not scatter around. Reference numeral 64 denotes a stopper which regulates the rotation range of the cover member 14.

  In FIG. 11, the core material 30 of the brush member 15 is connected to a one-way clutch 65 provided on the cover member 14. When the motor 61 is rotating forward, the one-way clutch 65 is idled and only the driven gear 63 is rotated, and the drug remaining from the annular groove 9 of the disk 7 by the brush member 15 as in the case shown in FIG. Is swept out. Further, at the time of reverse rotation, the cover member 14 rotates about the rotation axis of the motor 61 via the one-way clutch 65, so that the opening of the cover member 14 faces upward as in the case shown in FIG. Even if the medicine attached to the brush member 15 falls, it does not scatter around.

  Moreover, in the said embodiment, although the brush member 15 was rotated centering | focusing on the core material 30 extended in the radial direction of the disk 7, if the core material 30 is arrange | positioned so that it may straddle the inner periphery and outer periphery of the annular groove | channel 9, it is. Good. Thereby, scattering of the chemical | medical agent to the circumference | surroundings of the disk 7 is prevented at least.

  Moreover, in the said embodiment, although the cover member 14 was rotated centering on the axial center extended in the radial direction of the disk 7, as shown in FIG. 12, the axis | shaft 70 orthogonal to the radial direction of the disk 7 is centered. You may make it rotate as. In short, any configuration is possible as long as the brush member 15 can be slidably contacted in the annular groove 9 of the disk 7 during cleaning, and the cover member 14 can be positioned below the brush member 15 during non-cleaning. It doesn't matter.

It is a perspective view which shows the external appearance of the chemical | medical agent packaging machine which concerns on this embodiment. It is a schematic sectional drawing which shows the powder supply part and chemical | medical agent packaging part of the chemical | medical agent packaging machine shown in FIG. It is a perspective view which shows the powder supply part of the chemical | medical agent packaging machine shown in FIG. It is a disassembled perspective view of the cleaner apparatus shown in FIG. It is a perspective view of the brush member shown in FIG. It is a front view of the cleaner apparatus shown in FIG. (A) is side surface sectional drawing in the cleaning position of the cleaner apparatus shown in FIG. 6, (b) is side surface sectional drawing in a retracted position. (A) is a cleaning position of a cleaner apparatus, (b) is in the middle of rotation, (c) is a perspective view which shows a retracted position, respectively. It is a schematic sectional drawing of the cleaner apparatus which concerns on other embodiment. (A) is a side view in the cleaning position of FIG. 9, (b) is a side view in a retracted position. It is a schematic sectional drawing of the cleaner apparatus which concerns on other embodiment. In the operation state of the cleaner apparatus which concerns on other embodiment, (a) is the cleaning position, (b) is in the middle of rotation, (c) is a schematic side view which each shows a retracted position.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 ... Drug supply part 2 ... Drug packaging part 3 ... Control part 5 ... Powder supply part 6 ... Drug feeder 7 ... Disc 8 ... Scraping device 9 ... Circular groove 11 ... Cleaner apparatus 14 ... Cover member 15 ... Brush member 16 ... Suction Duct 25 ... Cover motor 28 ... Brush motor 30 ... Core material 31 ... Brush part 32 ... Fin part

Claims (3)

In a medicine packaging machine that stores medicine in an annular groove formed on a disk, and scrapes the medicine one by one by a scraping device and wraps the medicine.
Provide a cleaner device for cleaning the drug remaining in the annular groove,
The cleaner device
A medicine sweeping unit that is located above the disk and includes a brush part that is in sliding contact with the annular groove, and that drives the brush part to rotate, thereby sweeping out the remaining medicine from the annular groove;
A drug recovery means for recovering the drug swept by the drug sweeping means;
Consists of
The brush portion of the medicine sweeping means is arranged so that the center of rotation forms a predetermined angle with respect to the direction orthogonal to the radial direction of the disk, and the tip position of the brush portion is a virtual plate material having an approximately elliptical shape. The annular groove is formed so as to be located on the outer surface obtained by rotating about its long axis, and is driven to rotate around a position closer to the disk side than the center of curvature of the annular groove. A medicine packaging machine characterized by sweeping out medicine inside. The medicine sweeping means includes a brush portion that is in sliding contact with the annular groove, and a fin portion that has an arc shape along a cross-sectional shape of the annular groove and has fins that are in line contact with the annular groove and are in sliding contact with each other. 2. The medicine packaging machine according to claim 1, wherein   3. The medicine packaging machine according to claim 1, wherein the medicine sweeping means rotates in a direction opposite to a rotation direction of the disk.

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