JP2019171525A - Dust collector for polishing machine and polishing system - Google Patents

Abstract

To provide a dust collector for a polishing machine which prevents powder dusts from spattering to the surroundings without interfering with an irregularity on a work-piece surface and can efficiently collect the powder dusts, and a polishing system.SOLUTION: A dust collector 1, which is used for a polishing machine 100 which brings a polishing brush 101 as a rotating polishing part into contact with a work-piece W and polishes the work-piece, comprises: a dust collection part 10 which has a dust collection region 13 in which a dust collection port 13a is located in vicinity of the polishing brush 101, and collects powder dusts, which are generated by polishing of the work-piece W, from the dust collection port 13a by suction of air; and an air blow part 20 which has an air ejection region 23 which surrounds at least a part of an outer periphery of a region R, which includes the polishing brush 101 and the dost collection region 13, and in which plural air ejection ports 23a are located, and blows air toward the work-piece W from each air ejection port 23a.SELECTED DRAWING: Figure 4

Description

  The present invention relates to a dust collector and a polishing system for a polishing machine that are used in a polishing machine that polishes a rotating polishing unit in contact with a workpiece.

  Conventionally, surface finishing of a resin molded product is performed by using a polishing machine to polish an abrasive such as a rotating polishing brush in contact with the surface of the resin molded product before finishing.

  In such a polishing machine, dust is generated when a resin molded product as a workpiece is polished by a rotating abrasive material, so a polishing system equipped with a dust collector that collects dust at any time to prevent dust scattering is proposed. (See, for example, Patent Document 1).

Japanese Unexamined Patent Publication No. 2016-435

  However, in the conventional polishing system, if the dust collection hood provided on the dust collector is too close to the workpiece surface, the hood will interfere with the irregularities on the workpiece surface when polishing while moving the abrasive. On the contrary, if it is too far away from the workpiece surface, there is a problem that the dust collecting force is reduced and the dust cannot be collected efficiently.

  The present invention has been made in view of such circumstances, and is capable of efficiently collecting dust by preventing dust from being scattered around without interfering with the unevenness of the workpiece surface. It is another object of the present invention to provide a polishing system.

  A dust collector for a polishing machine according to the present invention is a dust collector used in a polishing machine that polishes a rotating polishing unit in contact with a workpiece, and a dust collector in which a dust collection port is disposed in the vicinity of the polishing unit. A dust collecting portion that collects dust generated by polishing the workpiece by sucking air from the dust collection port, and surrounds at least a part of an outer periphery of the region including the polishing portion and the dust collecting region. And an air blow area for blowing air from the air jet toward the workpiece.

  A polishing system of the present invention includes a polishing machine that polishes a rotating polishing unit in contact with a workpiece, and the above-described dust collector for a polishing machine.

  According to the dust collector for a polishing machine of the present invention, there is an effect that dust can be efficiently collected by preventing the dust from being scattered around without interfering with the unevenness of the workpiece surface.

  According to the polishing system of the present invention, the polishing of the workpiece is performed by the polishing machine, and at the same time, the dust collecting device for the polishing machine prevents the dust from scattering around the workpiece without interfering with the unevenness of the workpiece surface. There is an effect that dust can be collected.

It is a whole lineblock diagram showing the polish system of an embodiment. It is a perspective view which shows the grinding | polishing system of embodiment. It is a longitudinal cross-sectional view which shows the grinding | polishing system of embodiment. It is a bottom view showing the polish system of an embodiment. It is a bottom view which shows the grinding | polishing system of a modification.

  Embodiments of the present invention will be described below with reference to the drawings. As shown in FIGS. 1 to 4, the polishing system S of this embodiment includes a polishing machine 100 and a dust collector 1.

  The polishing machine 100 is a known device for polishing by bringing a polishing brush 101 as a polishing unit into contact with a workpiece W. The polishing brush 101 has a large number of bristles attached to a cylindrical base, and the polishing brush 101. The rotating shaft 102 is connected to the center of the rotating shaft 102, the driving unit 103 is a motor or a speed reducer that rotationally drives the rotating shaft 102, and the housing 104 stores the polishing brush 101. The workpiece W is, for example, a resin molded product having a surface with unevenness and after molding and before finishing. For polishing the workpiece W, the axis of the rotating shaft 102 is held at an angle within a predetermined range with respect to the normal direction of the surface to be polished of the workpiece W, and the tip side of the polishing brush 101 is brought into contact with the surface to be polished of the workpiece W. It is performed by rotating in a state where

  The dust collector 1 is a device that collects dust generated by polishing the workpiece W by the polishing machine 100, and includes a dust collection nozzle N with air blow, a dust collection pipe 30, a dust collector 40, a blow pipe 50, and an air blow And a machine 60.

  The dust collection nozzle N with air blow is a nozzle that is attached to the polishing machine 100 in order to exert both dust collection and air blow effects. The dust collection nozzle N with air blow is formed in a hollow container shape that is partitioned into a dust collection side air passage 11 and a blow side air passage 21, and includes a cylindrical portion N1 and a horseshoe-shaped portion N2.

  The cylindrical portion N1 is a portion having a bottomed cylindrical shape, and is provided with a dust collector connection port 12 that communicates with the dust collection side air passage 11 and opens at the upper end. One end of a dust collection pipe 30 is connected to the dust collector connection port 12.

  The horseshoe-shaped part N2 is a part extending in a horseshoe shape in plan view from the side surface of the cylindrical part N1. The dust collection nozzle N with air blow is mounted on the polishing machine 100 by fitting the horseshoe-shaped portion N2 to the outer periphery of the housing 104. The internal space on the inner peripheral side of the horseshoe-shaped portion N2 communicates with the dust collection side air passage 11 of the cylindrical portion N1. As shown in FIG. 4, one dust collection port 13 a that continuously opens along the horseshoe shape is formed at the lower end near the inner periphery of the horseshoe-shaped portion N <b> 2. The area is a dust collection area 13.

  The internal space on the outer periphery side of the horseshoe-shaped part N2 communicates with the blow-side air passage 21 of the cylindrical part N1. Two air blower connection ports 22 projecting outward and opening are provided on the outer surface of the horseshoe-shaped portion N2. At the lower end from the outer periphery of the horseshoe-shaped portion N2, as shown in FIG. 4, a plurality of round air holes 23a are opened at intervals along the horseshoe shape, and the horseshoe-shaped air holes 23a are arranged. The area is an air ejection area 23. In other words, the air ejection region 23 is disposed so as to surround at least a part of the outer periphery of the region R (indicated by a broken line in FIG. 4) that includes the polishing brush 101 and the dust collection region 13. Each air jet 23a is inclined toward the inner peripheral side (horse-shoe inner peripheral side) of the region R including the polishing brush 101 and the dust collection region 13 toward the opening tip where the inner wall forming the air passage is the air jet direction. is doing. One end of the blow pipe 50 is connected to the air blower connection port 22.

  The dust collecting pipe 30 is a pipe member for sending dust sucked from the dust collecting port 13 a of the dust collecting nozzle N with air blow to the dust collecting device 40, one end connected to the dust collecting device connecting port 12 and the other end to the dust collecting device 40. Each is connected.

  The dust collector 40 is a known dust collecting device that collects dust by suction of air, and dust sucked from the dust collecting port 13a of the dust collecting nozzle N with air blow passes through the dust collecting pipe 30 from the dust collector connecting port 12. Collect.

  The two blow pipes 50 are pipe members for sending air toward the air outlet 23a of the dust collection nozzle N with air blow, and one end is connected to the air blower connection port 22 and the other end is the air blower 60. Respectively.

  The air blower 60 is a known air blower that ejects compressed air. The air blower 60 sends compressed air to the blow pipe 50 and passes through the air blower connection port 22 of the dust collection nozzle N with air blow from each air jet 23a. Erupt.

  The dust collector 40, the dust collecting pipe 30, and the dust collecting area 13 provided with the dust collecting side air passage 11 and the dust collecting port 13a from the dust collector connecting port 12 to the dust collecting port 13a in the dust collecting nozzle N with air blow. The dust collection part 10 of this invention is comprised. In addition, in the air blower 60, the blow pipe 50, and the dust collection nozzle N with air blow, the blow-side air passage 21 from the air blower connection port 22 to each air jet 23a and the air jet region 23 provided with each air jet 23a are provided. The air blow part 20 of this invention is comprised by these.

  Next, the operation of each part when the workpiece W is polished using the polishing system S will be described. When the operation of the polishing system S is started, the drive unit 103 starts to rotate in the polishing machine 100, and the polishing brush 101 is rotated via the rotation shaft 102. On the other hand, in the dust collector 1, the dust collector 40 starts sucking air, and the air blower 60 starts ejecting air.

  When an operator positions and contacts the polishing brush 101 to the surface to be polished of the workpiece W to be polished, the surface of the workpiece W is polished by the rotating polishing brush 101. Dust generated by polishing is sucked from a dust collection port 13 a formed in a horseshoe shape around the polishing brush 101, passes through the dust collection pipe 30, and is collected by the dust collector 40. Further, the dust blown in the outer circumferential direction by the rotation of the polishing brush 101 forms an air curtain between the workpiece W and the air ejected from the plurality of air ejection ports 23a arranged on the outer circumferential side of the dust collection port 13a. Thus, scattering to the surroundings is prevented, and further, the air flows into the dust collection region 13 by the flow of air from the air jet port 23a toward the dust collection region 13 and is sucked from the dust collection port 13a.

  In addition, at the notch N2K side in the circumferential direction of the horseshoe-shaped part N2, there is no dust collection port 13a, so dust is temporarily collected on the surface of the work W without being collected, but the work is taken with the notch N2K side as the traveling direction When it is moved relative to W, the dust collection port 13a approaches the dust on the surface of the workpiece W, so that dust is finally collected.

  As is clear from the above detailed description, the dust collector 1 of the present embodiment is a dust collector used in the polishing machine 100 that polishes the polishing brush 101 as a rotating polishing unit in contact with the workpiece W. A dust collecting portion 10 having a dust collecting area 13 where the dust collecting opening 13a is arranged in the vicinity of the polishing brush 101, and collecting dust generated by polishing the workpiece W by sucking air from the dust collecting opening 13a; There are air ejection regions 23 in which a plurality of air ejection ports 23a are arranged so as to surround at least a part of the outer periphery of the region R including the polishing brush 101 and the dust collection region 13, and each air ejection port 23a is directed toward the workpiece W. And an air blow unit 20 for blowing air.

  According to this configuration, in the dust collecting unit 10, dust generated by polishing the workpiece W by the rotating polishing brush 101 is transferred from the dust collection port 13 a of the dust collection region 13 disposed close to the polishing brush 101. Collect by aspiration. On the other hand, in the air blow section 20, air is directed toward the workpiece W from each air outlet 23 a in the air ejection area 23 that is disposed so as to surround at least a part of the area R surrounding the polishing brush 101 and the dust collection area 13. By blowing, an air curtain is formed, and scattering of dust around is prevented.

  Therefore, dust can be efficiently collected by preventing the dust from being scattered around without interfering with the irregularities on the surface of the workpiece W.

  The dust collection region 13 is provided so as to surround at least a part of the outer periphery of the polishing brush 101, and the air ejection region 23 is provided along the outer periphery of the dust collection region 13.

  According to this configuration, dust that spreads around from the rotating polishing brush 101 can be efficiently collected by the dust collection port 13a of the dust collection region 13 provided surrounding at least a part of the outer periphery of the polishing brush 101. it can. In addition, an air curtain formed by air ejected from each air ejection port 23 a of the air ejection region 23 provided along the outer periphery of the dust collection region 13 surrounds the outer periphery of the polishing brush 101 and the dust collection region 13. It is possible to prevent dust from being scattered around.

  In particular, the dust collection region 13 is provided in a horseshoe shape that surrounds the outer periphery of the polishing brush 101 except for a part thereof (about ¼ of the entire outer periphery), and the air ejection region 23 extends along the outer periphery of the dust collection region 13. It has a horseshoe shape.

  According to this configuration, the polishing brush 101 can be attached and detached from the side using the robot arm or the like through the cutout portion N2K of the horseshoe-shaped portion N2. Further, dust generated by polishing the workpiece W of the rotating polishing brush 101 can be efficiently collected at the dust collection port 13a of the dust collection region 13 arranged in a horseshoe shape on the outer periphery of the polishing brush 101. Moreover, since each air jet 23a of the air ejection area | region 23 is arrange | positioned along the outer periphery of the horseshoe-shaped area | region of the dust collection area | region 13, the air curtain formed with the air ejected from each air jet 23a By enclosing the outer periphery of the region R including the polishing brush 101 and the dust collection region 13, scattering of dust around the region can be prevented. Here, the dust temporarily remaining on the surface of the workpiece W at the notch N2K side of the horseshoe-shaped portion N2 where the dust collection port 13a does not exist is moved relative to the workpiece W with the notch N2K side as the traveling direction. As the dust collection port 13a of the horseshoe portion approaches, the dust is finally collected.

  Each air outlet 23a has an air passage inclined toward the inner peripheral side of the region R including the polishing brush 101 and the dust collection region 13 in the air ejection direction. According to this configuration, the dust scattered on the outer peripheral side from the dust collection region 13 flows to the dust collection region 13 on the inner peripheral side due to the flow of air from the air outlets 18 toward the inner periphery, and the dust collection port. Inhaled from 13a.

  Further, the dust collector 1 is partitioned into a dust collection side air passage 11 whose internal space communicates with the dust collection port 13a and a blow side air passage 21 which communicates with each air outlet 23a. A dust collection nozzle N with an air blow as a nozzle member provided integrally with the region 23 is provided. According to this configuration, since the dust collection region 13 and the air ejection region 23 are appropriately positioned with respect to the polishing brush 101 in advance, the dust collection is reliably performed while preventing dust from being scattered around with a simple configuration. can do. Further, since the apparatus can be downsized, interference with the workpiece W can be further suppressed, and the degree of polishing freedom can be improved.

  The polishing system S of the present embodiment includes a polishing machine 100 that performs polishing by bringing a polishing brush 101 as a rotating polishing unit into contact with a workpiece W and the dust collector 1 described above. According to this configuration, the polishing machine 100 performs polishing of the workpiece W, and at the same time, the dust collector 1 efficiently collects dust by preventing scattering of dust around the workpiece W without interfering with the irregularities on the surface of the workpiece W. The effect of being able to dust is produced.

  The present invention is not limited to the embodiments described above, and various modifications can be made without departing from the spirit of the present invention.

  In the said embodiment, the dust collection nozzle N with an air blow has the horseshoe-shaped part N2, the dust collection area | region 13 is arrange | positioned in the horseshoe shape by which the circumferential direction part was notched in the outer peripheral side of the polishing brush 101, and an air ejection area | region Although 23 was set as the structure arrange | positioned on the outer peripheral side along the horseshoe-shaped area | region where the dust collection area | region 13 is arrange | positioned, it is not restricted to this.

  Hereinafter, a modification of the present embodiment will be described with reference to FIG. In addition, the same code | symbol is attached | subjected to the same member as the said embodiment, and detailed description about them is abbreviate | omitted. In this modification, instead of the configuration of the above embodiment, as shown in FIG. 5, a dust collection region 13 having a dust collection port 13 a is provided in an annular shape that surrounds the entire outer periphery of the polishing brush 101. The air ejection region 23 having a plurality of air ejection ports 23 a is provided in a circular shape that forms a circumferential shape along the outer periphery of the dust collection region 13.

  According to this modification, the dust collection region 13 is provided in a circumferential shape that surrounds the entire outer periphery of the polishing brush 101, so that dust can be reliably collected in all directions of the outer periphery. Moreover, since the air ejection area | region 23 is provided circumferentially along the outer periphery of the dust collection area | region 13, an air curtain is formed so that the whole outer periphery of the dust collection area | region 13 may be enclosed, and the dispersion | distribution of the dust to the circumference | surroundings is ensured. Can be prevented. In this modification, the polishing brush 101 can be attached and detached from the bottom side.

  Moreover, in the said embodiment, although it was set as the structure which provides the one horseshoe-shaped dust collection port 13a in the dust collection area | region 13, several dust collection ports, such as a round hole shape, are arrange | positioned in a horseshoe shape, and a horseshoe-shaped dust collection Region 13 may be formed. Moreover, in the said modification, although it was set as the structure which provides the one circular dust collection opening | mouth 13a in the dust collection area | region 13, several dust collection openings, such as a round hole shape, are arrange | positioned in an annular | circular shape, Region 13 may be formed.

  In the above embodiment, the plurality of round hole-shaped air jets 23 a are arranged in a horseshoe shape to form the horseshoe-shaped air ejection region 23. However, one horseshoe-shaped air is provided in the dust collection region 13. It is good also as a structure which provides a jet nozzle. In the above modification, a plurality of round hole-shaped air ejection ports 23 a are arranged in an annular shape to form the annular air ejection region 23, but one annular air is provided in the air ejection region 23. It is good also as a structure which provides a jet nozzle.

  In the above-described embodiment or modification, the dust collection region 13 is provided so as to surround at least a part of the outer periphery of the polishing brush 101. However, the dust collection region 13 is close to the polishing brush 101 and has a dust collection port 13a. Any arrangement may be used. In short, by providing an air ejection region 23 in which a plurality of air ejection ports 23 a are disposed so as to surround at least a part of the outer periphery of the region R including the polishing brush 101 and the dust collection region 13, Similar effects are produced.

DESCRIPTION OF SYMBOLS 1 ... Dust collector (Dust collector for polishers), 10 ... Dust collection part, 11 ... Dust collection side air passage, 13 ... Dust collection area, 13a ... Dust collection port, 20 ... Air blow part, 21 ... Blow side air Passage, 23 ... Air ejection area, 23a ... Air ejection port, 40 ... Dust collector, 60 ... Air blow machine, 100 ... Polishing machine, 101 ... Polishing brush (polishing part), S ... Polishing system, W ... Work, R ... Area, N: Dust collecting nozzle with air blow (nozzle member).

Claims (7)

A dust collector used in a polishing machine for polishing a rotating polishing unit in contact with a workpiece,
A dust collection portion having a dust collection port disposed adjacent to the polishing unit, and collecting dust generated by polishing the workpiece by suction of air from the dust collection port;
An air blow section that has an air ejection area in which an air ejection port is disposed so as to surround at least a part of an outer periphery of the polishing section and the area that covers the dust collection area, and that blows air from the air ejection area toward the workpiece When,
A dust collector for a polishing machine comprising: The dust collection area is provided to surround at least a part of the outer periphery of the polishing unit,
The dust collector for a polishing machine according to claim 1, wherein the air ejection area is provided along an outer periphery of the dust collection area. The dust collection area is provided in a horseshoe shape that surrounds the outer periphery of the polishing part except for a part thereof,
The dust collector for a polishing machine according to claim 2, wherein the air ejection area is provided in a horseshoe shape along an outer periphery of the dust collection area. The dust collection region is provided in a circumferential shape surrounding the entire outer periphery of the polishing unit,
The dust collector for a polishing machine according to claim 2, wherein the air ejection area is provided in a circumferential shape along an outer periphery of the dust collection area.   The polishing according to any one of claims 1 to 4, wherein the air outlet has an air passage inclined toward an inner peripheral side of the region including the polishing portion and the dust collection region in an air ejection direction. Dust collector for machine.   A nozzle in which an internal space is divided into a dust collection side air passage communicating with the dust collection port and a blow side air passage communicating with the air ejection port, and the dust collection region and the air ejection region are provided integrally. The dust collector for a polishing machine according to any one of claims 1 to 5, further comprising a member. A polishing machine for polishing by rotating a polishing unit in contact with a workpiece;
A dust collector for a polishing machine according to any one of claims 1 to 6,
A polishing system comprising:

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