JP2019206399A - Dispersing device and powder particle quantitative feeder including the same - Google Patents

Abstract

To supply powder particles uniformly for a workpiece with a shape different from a discharge port of a powder particle quantitative feeder.SOLUTION: The dispersion device for discharging powder particles discharged from a quantitative feeder to a workpiece with a flat shape different from a discharge port installed under a discharge port of the powder particle quantitative feeder includes: a cylindrical frame, extending vertically, to which the discharge port of the quantitative feeder is inserted; a net body having a net disposed to block a cylindrical hole of the frame at least at one point between an upper end and a lower end of the frame; and a vibration device for vibrating the entire net body by vibrating the frame. A cylindrical hole shape at a lowermost end of the frame corresponds to the flat shape of the workpiece.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a dispersing device that uniformly disperses powder, granules, or a mixture thereof (hereinafter referred to as a powder) on a workpiece, and a powder quantitative feeder equipped with the dispersing device.

  Conventionally, there has been a demand for a technique for uniformly supplying powder, granules, or a mixture thereof (hereinafter referred to as powder granules) onto a plate-like or tray-like workpiece. With regard to such a technique, the applicant has developed a quantitative feeder device for powder particles disclosed in Patent Document 1. In the apparatus of Patent Document 1, it is possible to supply a granular material to a workpiece uniformly with high accuracy in a short time.

Japanese Patent Application No. 2017-119197

  In recent years, the shapes of workpieces at supply destinations have been diversified, and various planar shapes such as circles, rectangles, ellipses, stars, and polygons with different diameters from the discharge port of the quantitative feeder, for example, different from the discharge port There is an increasing demand for users to uniformly supply a small amount of powder and granular material to a workpiece having the above.

  However, the discharge port of the quantitative feeder device of the granular material of Patent Document 1 is formed in a certain shape such as a circular shape, for example, and the planar shape is the same planar shape as the discharge port, that is, the diameter is a circle equivalent to the discharge port. It is not possible to uniformly disperse the powder particles for other workpieces.

  The present invention has been made for such a problem, and provides a dispersing device that uniformly disperses a granular material on a workpiece having a planar shape different from a discharge port of a quantitative feeder device for the granular material. For the purpose.

  The present invention has the following features in order to achieve such an object.

[1] A dispersion apparatus for discharging the granular material discharged from the quantitative feeder device to a workpiece having a planar shape different from the discharge port installed below the discharge port of the powder quantitative feeder,
A cylindrical frame extending in the vertical direction into which the discharge port of the metering feeder is inserted, and a net arranged so as to block the cylindrical hole of the frame at least at one position between the upper end and the lower end of the frame A net having
A vibration device that vibrates the entire net body by vibrating the frame,
The cylindrical hole shape at the lowermost end of the frame corresponds to the planar shape of the workpiece.

[2] The disperser according to [1], wherein two or more nets are installed between the upper end and the lower end of the frame, and each net is installed with an interval in the vertical direction.

[3] The frame is formed by connecting cylindrical frame parts in the vertical direction.
The dispersion apparatus according to [1] or [2], wherein the net body is sandwiched and fixed between frame components adjacent to each other in the vertical direction.

[4] A powder quantitative feeder comprising the dispersing device according to any one of [1] to [3].

It is a side view which shows the structure of the dispersion apparatus which concerns on Embodiment 1 of this invention, and the fixed_quantity | assay feeder apparatus of the granular material provided with the same. It is a top view of the fixed quantity feeder of the granular material of FIG. It is the other side view which looked at the fixed_quantity | feed_rate feeder apparatus of the granular material of FIG. FIG. 4A is a longitudinal sectional view showing a network body of a dispersion apparatus according to Embodiment 8 of the present invention, and FIG. 4B is a diagram of the network body viewed from an arrow direction B in FIG. 4A. FIG. 5A is a longitudinal sectional view showing a network body of a dispersion apparatus according to Embodiment 2 of the present invention, and FIG. 5B is a view of the network body viewed from an arrow direction C in FIG. 5A. FIG. 6A is a longitudinal sectional view showing a network body of a dispersion apparatus according to Embodiment 3 of the present invention, and FIG. 6B is a view of the network body viewed from an arrow direction D of FIG. 6A. FIG. 7A is a longitudinal sectional view showing a network body of a dispersion apparatus according to Embodiment 4 of the present invention, and FIG. 7B is a view of the network body viewed from an arrow direction E of FIG. 7A.

  Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings.

[Embodiment 1]
FIG. 1 is a side view showing a configuration of a dispersion apparatus according to Embodiment 1 of the present invention and a quantitative feeder apparatus for a granular material provided with the dispersion apparatus. FIG. 2 is a plan view of the quantitative feeder apparatus for granular materials shown in FIG. FIG. 3 is another side view of the powder quantitative feeder of FIG. This fixed quantity feeder 100 of a granular material is an apparatus which supplies a granular material uniformly to the workpiece | work (not shown) arrange | positioned at the discharge port 14a. In addition, the planar shape of a workpiece | work shall have a shape different from the planar shape of the discharge port 14a of the fixed quantity feeder apparatus of a granular material.

  The dispersing apparatus 10 according to the present invention is installed at the discharge port 14a of the quantitative feeder apparatus 100, and discharges the powder particles discharged from the discharge port 14a in a planar shape of the workpiece. The planar shape of the discharge port 14a of the quantitative feeder apparatus 100 is circular, whereas the planar shape of the workpiece in the first embodiment is a quadrangle.

  The quantitative feeder apparatus 100 has a gantry 15 combined with a link arm 52. A base frame 16 is fixed on the gantry 15. The base frame 16 is provided with a storage container 11, a quantitative unit 12, a discharge chute 14, and a motor 13 that drives the quantitative unit 12. By operating the handle 51 of the gantry 15 and expanding and contracting the link arm 52 in the vertical direction, the base frame 16 and the entire components installed on the base frame 16 can be moved up and down while keeping the base frame 16 horizontal. it can.

  The base frame 16 includes a storage container 11 in which powder particles are stored, a quantification unit 12 that quantifies powder particles dropped from the storage container 11, and a discharge that discharges the powder particles measured by the determination unit 12. A chute 14 is provided in this order from the top. In the present description, the lower end of the discharge chute 14 is referred to as “discharge port 14a”.

  The container 11 is a cylindrical container provided with an opening 11a to which powder particles are supplied on the upper side. An opening (not shown) is formed at the bottom of the container 11, and the quantitative unit 12 is disposed below the opening. The quantification unit 12 is configured to quantitate the powder particles falling from the storage container 11 and to discharge the powder particles to the lower discharge chute 14. The container 11 is not limited to a cylindrical shape, and may be, for example, a cone shape whose diameter decreases as it goes downward. As the configuration of the quantification unit 12, various configurations can be used as long as the predetermined granular material can be discharged lightly. For example, the configuration of Japanese Patent Application Laid-Open No. 2017-088264 by the present applicant can be used. Under the discharge chute 14, a dispersing device 10 that disperses the powder particles in the planar shape of the workpiece is installed.

  As shown in FIGS. 2 and 3, the dispersing device 10 includes a net body 101 installed immediately below the discharge chute 14 and a vibration device 102 that vibrates the net body 101. The vibration device 102 is connected to the upper part of the net body 101 via a leaf spring 103. The configuration and arrangement of the vibration device 102 are not limited to those shown in FIGS. 2 and 3, and any configuration and arrangement may be used as long as the net body 101 can be vibrated.

  Next, the configuration of the network body of the dispersion apparatus will be described in detail. FIG. 4A is a longitudinal cross-sectional view of the network body of the dispersion apparatus according to Embodiment 1 of the present invention. FIG. 4B is a view of the mesh body of FIG. 4A viewed from the direction of the arrow B (downward). The net body 101 includes a cylindrical frame 104 extending in the vertical direction and three stages of nets 26, 27, and 28. The nets 26, 27, and 28 are fixed to the frame 104 at intervals in the vertical direction. Only the upper end of the frame 104 is formed in a cylindrical shape so that the cylindrical discharge chute 14 can be easily inserted, but the frame 104 has a rectangular tube shape except for the upper end (see FIG. 4B).

  As shown in FIG. 4B, the bottommost cylindrical hole shape of the frame 104 has a shape corresponding to the planar shape of the workpiece. Here, the “shape corresponding to the planar shape of the workpiece” is the same as the planar shape of the workpiece or similar to the planar shape of the workpiece, and includes a shape that is larger or smaller by several millimeters. The size of the cylindrical hole at the lowermost end of the frame 104 can be arbitrarily selected according to the properties of the powder particles.

  The frame 104 includes an upper frame part 21 having a diameter that is slightly larger than the discharge port 14a, and frame parts 22, 23, and 24 having the same number as the number of installed nets. The upper frame component 21 has a cylindrical portion 21a and a flange portion 21b, and the discharge chute 14 of the quantitative feeder device is inserted into the cylindrical portion 21a. A gap is provided between the cylindrical portion 21 a and the discharge chute 14 so as not to contact and interfere with each other when vibrated by the vibration device 102.

  The frame component 22 has a rectangular tube portion 22a and flange portions 22b formed at the upper end and the lower end of the rectangular tube portion 22a. Similarly, the frame component 23 has a rectangular tube portion 23a and flange portions 23b formed at the upper end and the lower end of the rectangular tube portion 23a. The frame component 24 at the lowermost end includes a rectangular tube portion 24a and a flange portion 24b formed at the upper end of the rectangular tube portion 24a. The frame parts 22, 23, and 24 have the same quadrangular shape as the planar shape of the inner cylinder. The flange portions 22b, 23b, and 24b on the four sides of the rectangular tube portions 22a, 23a, and 24a are connected by screws 25 that penetrate in the vertical direction.

  The first net 26 is sandwiched and fixed by the flange portion 21 b of the upper frame component 21 and the upper flange portion 22 b of the frame component 22. Similarly, the second mesh 27 is sandwiched and fixed between the lower flange portion 22b of the frame component 22 and the upper flange portion 23b of the frame component 23, and the lower flange portion 23b of the frame component 23 and the frame component are fixed. The third net 28 is sandwiched and fixed by the 24 flange portions 24b.

  The nets 26, 27, and 28 are arranged so as to block the cylindrical hole of the frame 104. What is necessary is just to select arbitrarily the magnitude | size of the mesh | network of the net | network 26,27,28 with a granular material. The three stages may have the same mesh size or different mesh sizes. The plurality of meshes 26, 27, and 28 may have the same mesh direction, and may be arranged by shifting the meshes by a predetermined angle. It is possible to prevent the holes from being aligned. By changing the size and direction of the mesh, the particle size and discharge speed of the granular material can be adjusted. In addition, by changing the orientation and position, even a mesh with a coarse mesh can be reliably dispersed, so that clogging when using a mesh with a fine mesh and a long dispersion time can be prevented.

  In Embodiment 1, since the planar shape of the workpiece is a quadrangle, the inner cylindrical shapes of the frame parts 22, 23, and 24 are all formed in the same rectangular shape as the planar shape of the workpiece. The inner cylindrical shape of the frame parts 22, 23, and 24 can achieve the effects of the present invention as long as only the bottom end of the frame, that is, the bottom end of the frame part 24 corresponds to the planar shape of the workpiece. The shape of the cylindrical hole other than the lowermost end does not necessarily match the planar shape of the workpiece.

  Next, the operation of the dispersion apparatus of the present invention configured as described above will be described. It is assumed that workpieces having the same planar shape and a quadrangular shape are sequentially conveyed under the discharge port of the quantitative feeder apparatus for powder particles. Each time the workpiece is placed directly under the discharge port 14 a, a predetermined amount of powder is cut out by the powder feeder and discharged from the discharge chute 14. In the dispersion device 10, the net body 101 is vibrated by the vibration device 102 at least while the granular material is being discharged from the discharge chute 14. As a result, while the granular material passes through the net body 101, the granular material is sequentially diffused to fill the inner cylinder of the frame 104 by the nets 26, 27, and 28. Since the lowermost end of the frame 104 has a shape corresponding to the planar shape of the workpiece, the powder particles that have passed through the lowermost end of the frame 104 are uniformly discharged to the entire planar shape of the workpiece.

  In the dispersing apparatus configured as described above, even when the discharge port 14a of the powder quantitative feeder apparatus 100 and the planar shape of the workpiece are different, the inner cylinder shape at the lowermost end of the frame 104 of the net body 101 is the same. Since it corresponds to the planar shape of the workpiece, the granular material can be uniformly discharged to the entire planar shape of the workpiece by passing the granular material through the net body 101. The net body 101 having the nets 26, 27, and 28 is vibrated by the vibration device 102 to vibrate the nets 26, 27, and 28, thereby uniformly dispersing the powder particles in the inner cylinder of the frame 104.

  In FIG. 4A, the size of the lowermost end of the frame 104 is shown to be larger than the discharge port 14a of the discharge chute 14, but the size of the lowermost end of the frame 104 corresponds to the planar shape of the workpiece. If it does, you may make it smaller than the discharge port 14a. Thereby, a granular material can be disperse | distributed uniformly also with respect to the workpiece | work smaller than the discharge port 14a.

[Embodiment 2]
A dispersion apparatus according to Embodiment 2 of the present invention will be described. FIG. 5A is a longitudinal sectional view showing a network body of a dispersion apparatus according to Embodiment 2 of the present invention, and FIG. 5B is a view of the network body viewed from an arrow direction C in FIG. 5A. In the second embodiment, frame parts 29, 30, and 31 are added to the inner cylinders of the three-stage frame parts that constitute the frame of the first embodiment, respectively.

  The frame component 29 has a rectangular tube portion 29a and flange portions 29b formed at the upper and lower ends of the rectangular tube portion 29a. Similarly, the frame part 30 has a rectangular tube portion 30a and flange portions 30b formed at the upper end and the lower end of the rectangular tube portion 30a. The frame component 31 has a rectangular tube portion 31a and a flange portion 31b formed at the upper end of the rectangular tube portion 31a. The frame parts 29, 30, and 31 have the same quadrangular shape as the planar shape of the inner cylinder.

  The frame components 29 and 30 are formed slightly smaller than the frame components 22 and 23 and are attached to the inner cylinders of the frame components 22 and 23. The frame component 31 is sandwiched between the lower flange portion 23b of the frame component 23 and the flange portion 24b of the frame component 24, and is connected together with the flange portions 22b, 23b, and 24b by screws 25 penetrating in the vertical direction. Yes.

  As shown in FIG. 5B, the inner cylinder at the lowermost end of the frame is a square that is slightly smaller than that of the first embodiment. Thus, by installing the frame components 29, 30, 31 on the inner cylinders of the frame components 22, 23, 24, it is possible to easily change the planar shape for discharging the powder particles. By rearranging the components in this way, it is possible to uniformly distribute and supply the granular material to workpieces having two or more shapes and sizes in one production line.

[Embodiment 3]
A dispersion apparatus according to Embodiment 3 of the present invention will be described. FIG. 6A is a longitudinal sectional view showing a network of a dispersing device in the quantitative feeder for granular material according to Embodiment 2 of the present invention, and FIG. 6B is a view of the network from the arrow direction D of FIG. 6A. FIG. In the third embodiment, frame parts 32, 33, and 34 are added to the inner cylinders of the three-stage frame parts that constitute the frame of the first embodiment, respectively. The cylindrical hole shape of the frame parts 32, 33, 34 is circular.

  The frame part 32 has a cylindrical portion 32a and flange portions 32b formed at the upper end and the lower end of the cylindrical portion 32a. Similarly, the frame part 33 has a cylindrical portion 33a and flange portions 33b formed at the upper end and the lower end of the cylindrical portion 33a. The frame part 34 has a cylindrical portion 34a and a flange portion 34b formed at the upper end of the cylindrical portion 34a. As shown in FIG. 6B, the inner cylinder at the lowermost end of the frame has a circular shape that is slightly smaller than that of the first embodiment.

  The frame parts 32 and 33 are formed slightly smaller than the frame parts 22 and 23 and are attached to the inner cylinders of the frame parts 22 and 23. The frame component 24 is sandwiched between the lower flange portion 23b of the frame component 23 and the flange portion 24b of the frame component 24, and is connected together with the flange portions 22b, 23b, and 24b by screws 25 penetrating in the vertical direction. Yes.

  In this way, by installing the frame parts 32, 33, and 34 having a circular inner cylinder shape, the external shape supplied with the granular material discharged from the dispersing device is made a circular shape having a diameter different from that of the discharge port 14a. Can be changed.

[Embodiment 4]
A dispersion apparatus according to Embodiment 4 of the present invention will be described. FIG. 7A is a longitudinal sectional view showing a network body of a dispersion device in the quantitative feeder for granular material according to Embodiment 4 of the present invention, and FIG. 7B is a view of the network body in the arrow direction E of FIG. 7A. FIG. In the fourth embodiment, the net of the second embodiment is changed and a pipe 38 penetrating through the central portion of a plurality of nets is installed. Since other configurations are substantially the same as those in the second embodiment, the same reference numerals are used and description thereof is omitted.

  Each of the three-stage nets 35, 36, and 37 has a hole formed in the center, and a pipe 38 is inserted into the hole, and the tip of the pipe is sealed with a cap 39.

  By removing the cap 39 and discharging the powder particles different from the powder particles discharged from the discharge chute 14 to the pipe 38, different types of powder particles can be arranged on the workpiece. In FIGS. 7A and 7B, a cylindrical pipe 38 is added. However, by making the cross-sectional shape of the pipe various shapes such as a square, an ellipse, a polygon, a star, etc., any shape can be formed on the workpiece. Different powders can be arranged. Of course, the number of pipes 38 is not limited to one, and a plurality of pipes 38 may be arranged.

DESCRIPTION OF SYMBOLS 11 Storage container 12 Fixed | quantitative part 13 Motor 14 Discharge chute 14a Discharge port 15 Base 16 Base frame 26, 27, 28 Net 51 Handle 52 Link arm 100 Quantitative feeder apparatus 101 of granular material

Claims (4)

Dispersing device that discharges the granular material discharged from the quantitative feeder device to a workpiece having a planar shape different from the discharge port installed under the discharge port of the quantitative feeder device of the powder,
A cylindrical frame extending in the vertical direction into which the discharge port of the quantitative feeder device is inserted and at least one position between the upper end and the lower end of the frame are arranged so as to block the cylindrical hole of the frame. A net having a net;
A vibration device that vibrates the entire net body by vibrating the frame,
The cylindrical hole shape at the lowermost end of the frame corresponds to the planar shape of the workpiece.   2. The dispersion apparatus according to claim 1, wherein two or more of the nets are installed between an upper end and a lower end of the frame, and each of the nets is installed with an interval in the vertical direction. The frame is a cylindrical frame part connected in the vertical direction,
The dispersion apparatus according to claim 1 or 2, wherein the mesh body is sandwiched and fixed between the frame parts adjacent in the vertical direction.   A powder quantitative feeder comprising the dispersing device according to claim 1.

Images