JP2009067437A - Weir plate and dispensing packaging apparatus - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a weir plate capable of smoothly performing a dispensing packaging operation, and a dispensing packaging apparatus having the weir plate. <P>SOLUTION: The weir stopping plate is provided in parallel on the downstream side in the conveying direction of a powder granule to a dispensing plate which dispenses the granules fed into an annular recessed channel on a rotating plate by a specified region, and dams up the powder granule. The weir plate is formed into a disc shape and has an annular weir part formed of a synthetic resin on its outer peripheral part. In this weir plate, a part brought into contact with the bottom face of the channel of the annular recessed channel in the weir part is applied with an emboss processing with a specified surface roughness. and the dispensing packaging apparatus is constituted by using this weir plate. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a damming plate for damming up powder particles on the downstream side in the rotation direction of the rotating plate when cutting the granular material (powder etc.) supplied to the rotating plate by a predetermined amount, and the damming plate It is related with the packaging apparatus which has.

Conventionally, what is shown in following patent document 1 is proposed as a packaging apparatus for packaging the granular material, such as a chemical | medical agent.
This packaging apparatus has a cutout part for cutting out the granular material supplied along the annular groove of the rotating plate by a predetermined amount from the annular groove. The cut-out portion is configured to rotate around the horizontal axis above the groove bottom surface of the annular groove to cut out the powder particles on the groove bottom surface of the annular groove, and cut out so as to crush the powder particles. It has an exit plate and a damming plate that dams up the granular material on the downstream side of the cut-out plate.
In this packing device, the rotating plate is intermittently rotated around the vertical axis while the cutting part is rotated around the horizontal axis, so that the granular material is blocked by the cutting plate while blocking the granular material by the blocking plate. Is cut out in the radial direction of the rotating plate and then packaged.
Japanese Patent Publication No.52-22598

  In the above-described conventional packaging device, the weir plate contacts the bottom surface of the groove and blocks the granular material, and the outer peripheral portion is in contact with the bottom surface of the groove even when the rotating plate is intermittently rotated. Friction and catching may occur between the weir plate and the groove bottom surface of the annular groove, and the weir plate may vibrate finely. there were.

  Then, in view of the said subject, this invention aims at provision of the dam plate which can perform a packaging operation | movement smoothly, and the packaging apparatus which has this dam plate.

  The present invention is arranged in parallel with the cutout plate for cutting out the granular material supplied to the annular groove on the rotating plate for each predetermined area on the downstream side in the conveying direction of the granular material, A damming plate for stopping, having a circular damming portion formed of a synthetic resin on the outer periphery of the damming plate, and in the portion of the damming portion that contacts the groove bottom surface of the annular groove It is characterized in that it has been subjected to a graining process having a predetermined surface roughness.

  In the above configuration, the outer peripheral surface of the damming portion is subjected to a graining process to improve the slidability between the outer peripheral surface of the damming portion and the groove bottom surface of the annular groove on the rotating plate, thereby deforming and bending the damming portion. Suppressing effectively suppresses the occurrence of friction and catching between the dam plate and the groove bottom surface of the annular groove.

  In the dam plate of the present invention, the dam portion is formed of silicon rubber, and the surface roughness of the portion of the dam portion that contacts the groove bottom surface is set to Rmax 5 s to 30 s, preferably Rmax 10 s to 25 s. It is a feature.

  In general, the rotating plate is made of stainless steel (for example, manufactured by pressing), and the surface of the bottom surface of the annular groove has a predetermined surface roughness (for example, Rmax 1.2 s). As the surface roughness corresponding to this range, the outer peripheral surface of the silicon damming portion is set to Rmax 5 s to 30 s, preferably Rmax 10 s to 25 s, so that the damming portion and the groove bottom surface of the annular groove are compared with the conventional one. In addition, slipping of the granular material between the groove bottom surface and the outer peripheral surface of the damming plate is minimized.

  The present invention includes a cut-out portion that cuts out the granular material supplied to the annular groove on the rotating plate by a predetermined area in the radial direction of the rotating plate, and the cut-out portion has a curvature of the annular groove. It has a cutout plate that can rotate about the horizontal axis that is the center, and a weir plate arranged in parallel with the cutout plate on the downstream side of the cutout plate. The granule is dammed by contact with the bottom of the groove, the cutting plate is rotated around the horizontal axis while rotating the rotary table intermittently around the vertical axis, and the granular material is cut out. A packaging apparatus for sequentially packaging, wherein the dam plate is any one of the dam plates described above.

  In the packaging device having the above-described configuration, the outer peripheral surface of the damming portion is subjected to graining (pear surface), so that the slipperiness between the outer peripheral surface of the damming portion and the groove bottom surface of the annular groove on the rotating plate is improved. As a result, the deformation and bending of the damming portion are suppressed, and therefore, the occurrence of friction and catching between the damming plate and the groove bottom surface of the annular groove is effectively suppressed.

  According to the dam plate of the present invention, the outer peripheral surface of the dam portion is subjected to a texture to improve the slipperiness between the outer peripheral surface of the dam portion and the groove bottom surface of the annular groove on the rotating plate. When the outer peripheral surface of the damming part slides with the groove bottom surface of the annular concave groove, it becomes possible to suppress deformation / deflection of the damming part. It is possible to effectively suppress the occurrence of friction and catching with the groove bottom surface of the concave groove, and a dam plate that can smoothly perform the packaging operation.

  Further, in the packaging device of the present invention, it is possible to effectively suppress the occurrence of friction and catching between the blocking plate and the groove bottom surface of the annular groove by using the blocking plate. The packaging operation can be performed smoothly.

  Hereinafter, the packaging apparatus according to the present invention will be described by taking a packaging apparatus for packaging a medicine (powdered powder) as an example. 1 is a perspective view showing a schematic configuration of a main part of the packaging device, FIG. 2 is a single perspective view of a barrier plate, FIG. 3 is a front view of the barrier plate, FIG. 4 is a rear view, and FIG. FIG. 6 is a plan sectional view.

  As shown in FIG. 1, the packaging device 1 includes a hollow disk-shaped rotating plate 2 that can be intermittently rotated by a predetermined angle around a vertical axis, and a powder 4 in an annular groove 3 of the rotating plate 2. The feeder 5 as a supply unit for supplying, the cutout portion 6 of the powder 4 disposed on the downstream side in the rotation direction of the rotary plate 2 with respect to the feeder 5, and the rotary plate 2 with respect to the cutout portion 6 And a hopper 7 for receiving the cut powder 4 arranged on the lower side in the radial direction.

  The cut-out portion 6 is provided so as to be rotatable about a horizontal axis 10 disposed above the groove bottom surface 8 of the annular groove 3, and is attached to and removed from the mounting rotary body 11 rotating around the horizontal axis 10. A cutout plate 12 that is freely attached and cuts out the powder 4 toward the hopper 7, and a disk-like shape that is detachably provided on the attachment rotating body 11 and is arranged adjacent to the downstream side of the cutout plate 12. And a cover body (not shown) arranged side by side so as to be adjacent to the cutout plate 12 on the upstream side of the cutout plate 12.

In the above configuration, the powder 4 is sprinkled from the feeder 5 over the entire circumference of the bottom surface 8 of the annular groove 3 while rotating the rotary plate 2 around the vertical axis 13 to stop the rotation of the rotary plate 2, 6 with the outer peripheral portion of the dam plate 14 in contact with the groove bottom surface 8, the cut portion 6 is rotated around the horizontal axis 10, and the powder 4 is spread in a predetermined circumferential region by the dam plate 14 and the cover body. By rotating the cutting plate 12 while partitioning, the powder 4 in that area is cut out toward the hopper 7, and is packed into wrapping paper by a packaging device (not shown) provided below the hopper 7. Rotate around the vertical axis 13 by an angle to stop, rotate the cutting part 6 around the horizontal axis 10 to cut out the powder 4 in the next area toward the hopper 7, and wrap it into wrapping paper with a wrapping device To do.
By repeating the above operation, the powder 4 is cut out over the entire groove bottom surface 8.

Since the configuration other than the cutout portion 6, particularly the dam plate 14, is the same as that of a general packaging device 1 of this type, detailed description thereof will be omitted, and the configuration of the dam plate 14 will be described in detail.
The dam plate 14 includes a dam plate body 20 formed in a hollow disk shape, and an annular dam integrally provided on the outer periphery of the dam plate body 20 so as to protrude radially outward. And a stop 21 (corresponding to a blocking portion). The dam body 21 is made of silicon rubber, and an annular surface that is the radially outer end 22 thereof can contact the groove bottom surface 8. In addition, the center hole 20a of the dam plate main body 20 is fitted to the attachment rotator 11, so that the dam plate 14 rotates integrally with the attachment rotator 11.

  The dam body 21 has an annular built-up portion 23 on the outer peripheral portion of the dam plate main body 20 in order to adhere to the dam plate main body 20, and the An annular winding portion 24 that wraps around the radially outer end surface of the plate body 20 so as to be wound from one side surface of the dam plate body 20 and protrudes further radially outward from the radially outer end surface of the dam plate body 20. Are integrally formed.

The radially outward end 22 of the winding portion 24 is the annular surface that protrudes further radially outward from the radially outward end surface of the dam plate body 20.
An inwardly inclined surface that inclines toward the dam plate body 20 is formed inward in the radial direction of the built-up portion 23. An annular outwardly inclined surface 25 as a corner cut surface is formed on one side surface of the winding portion 24.

  The surface of the radially outer end 22 is formed on a satin surface as a texture. The surface of the radially outer end 22 has a surface roughness of Rmax 5 s to 30 s, preferably Rmax 10 s to 25 s. Here, Rmax is the “maximum height” among the types representing the surface roughness of the material.

  The surface roughness of the surface of the radially outer end 22 is set corresponding to the surface roughness of a general groove bottom surface 8. By setting the surface roughness of the radially outer end portion 22 as described above, the groove bottom surface 8 moves (rotates in a plane) with the radially outer end portion 22 in contact with the groove bottom surface 8. At this time, a phenomenon (so-called “chatter phenomenon”) in which large friction or catching occurs between the dam plate 21 and the groove bottom surface 8 of the annular groove 3 and the dam plate 21 vibrates finely is very effective. It is possible to suppress the biting of the powder 4 between the radially outer end 22 and the groove bottom surface 8, in other words, to improve the damming state of the powder 4. all right.

Table 1 below shows an experimental example (performance evaluation) in which only the surface roughness of the surface of the radially outer end 22 is changed under the same conditions, and the chatter phenomenon and the damming state of the powder 4 are compared.
In addition, as the same condition, the case where silicon Hs30 was baked on the dam plate body 20 as the material of the dam body 21 was compared.

In (Table 1),
No. In the test body No. 1, silicon Hs30 is baked on the dam plate body 20, and the radially outer end portion 22 is not polished. Rmax: about 0.8 s.
No. In the test body No. 2, silicon Hs30 was baked on the weir plate body 20, and the radially outer end portion 22 was polished with a normal finishing grindstone, so that Rmax was about 5 s.
No. In the test body No. 3, silicon Hs30 was baked on the weir plate main body 20, and the radially outer end portion 22 was polished with a normal finishing grindstone so that Rmax was about 10 s.
No. In the test body No. 4, silicon Hs30 was baked on the weir plate main body 20, and the radially outer end portion 22 was polished with a rough finishing grindstone so that Rmax was about 25 s.
No. In the test body No. 5, silicon Hs30 was baked on the weir plate main body 20, and the radially outer end portion 22 was polished with a rough finishing grindstone so that Rmax was about 30 s.
No. In the test body of No. 6, silicon Hs30 was baked on the dam plate body 20, and the radially outer end portion 22 was polished with a rough finishing grindstone so that Rmax was about 35 s.
These test bodies No. 1-No. 6, the test body in which at least one of the “billi phenomenon” or “powdered state” is “x” is not used, and therefore the surface of the radially outer end 22 is A specimen having a surface roughness of Rmax 5 s to 30 s, preferably Rmax 10 s to 25 s, was selected as suitable. That is, No. shown in the range of the arrow line in (Table 1). 2-No. 5 specimens.

(Table 1)

  The dam body 21 having the above-described configuration may be manufactured and processed by sandblasting a mold and transferring the matte surface to the outer peripheral surface using the mold. The surface roughness of the end portion 22 is also in the same range as in the above experimental example.

The top view which shows schematic structure of the powder medicine packaging machine which shows embodiment of this invention Similarly, the main part enlarged plan view Same main part front view 4A is a side view of the scraping plate, FIG. 4B is a front view, and FIG. 4C is a rear view. Same top view Similarly cross-sectional view

Explanation of symbols

  DESCRIPTION OF SYMBOLS 1 ... Packaging apparatus, 2 ... Rotating plate, 3 ... Annular groove, 4 ... Powder, 5 ... Feeder, 6 ... Cut-out part, 7 ... Hopper, 8 ... Groove bottom face, 10 ... Horizontal axis, 11 ... Mounting rotary body , 12 ... cut-out plate, 13 ... vertical axis, 14 ... dam plate, 20 ... dam plate body, 20a ... center hole, 22 ... radially outer end, 23 ... overlaying portion, 24 ... winding portion 25 ... Outside inclined surface, 30 ... Silicon

Claims (3)

A dam plate that is arranged in parallel with the cut-out plate that cuts out the granular material supplied to the annular groove on the rotating plate for each predetermined area, downstream of the conveying direction of the granular material, and blocks the granular material. Because
An annular dam that is formed in a disc shape and formed of synthetic resin on the outer periphery of the disk, and a textured surface that has a predetermined surface roughness at a portion of the dam that contacts the groove bottom surface of the annular groove. A dam plate characterized by that.   The damming portion is made of silicon rubber, and the surface roughness of the portion of the damming portion that contacts the groove bottom surface is set to Rmax 5 s to 30 s, preferably Rmax 10 s to 25 s. Dam plate. A cutting part is provided for cutting the granular material supplied to the annular groove on the rotating plate by a predetermined area in the radial direction of the rotating plate, and the cutting part is a transverse center of curvature of the annular groove. A cutting plate rotatable around the axis, and a blocking plate arranged in parallel to be concentric with the cutting plate on the downstream side of the cutting plate, and the blocking plate is formed on the bottom surface of the annular groove. Contact to stop the powder, rotate the rotary table intermittently around the vertical axis, rotate the cutting plate around the horizontal axis, cut out the powder, and sequentially pack the cut powder A sachet device,
The packaging device according to claim 1, wherein the barrier plate is the barrier plate according to claim 1.

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