JP7048384B2 - Dust collector and polishing system for polishing machines - Google Patents

Description

The present invention relates to a dust collecting device for a polishing machine and a polishing system used for a polishing machine in which a rotating polishing portion is brought into contact with a work to polish.

Conventionally, the surface finish of a resin molded product is performed by using a polishing machine to bring a polishing material such as a rotating polishing brush into 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 work is polished by a rotating abrasive, so a polishing system equipped with a dust collector that collects dust at any time and prevents the dust from scattering has been proposed. (See, for example, Patent Document 1 and the like).

Japanese Unexamined Patent Publication No. 2016-435

However, in the conventional polishing system, if the dust collecting hood provided in the dust collector is brought too close to the work surface, the hood interferes with the unevenness of the work surface when polishing while moving the abrasive material. On the contrary, if it is too far from the work surface, the dust collecting power is reduced and it is not possible to collect dust efficiently.

The present invention has been made in view of such circumstances, and is a dust collector for a polishing machine capable of efficiently collecting dust by preventing dust from scattering around the work surface without interfering with the unevenness of the work surface. And to provide a polishing system.

The dust collector for a polishing machine of the present invention is a dust collecting device used for a polishing machine in which a rotating polishing portion housed in a cylindrical housing is brought into contact with a work to polish, and the dust collector is described on the outer peripheral side of the housing. It has a dust collecting area in which a dust collecting port is arranged close to the polishing part, and collects dust generated by polishing the work by sucking air from the dust collecting part, and the polishing part and the above. It has an air ejection region in which an air ejection outlet is arranged so as to surround at least a part of the outer periphery of the region including the dust collecting region, and includes an air blow portion for blowing air from the air ejection outlet toward the work. The dust collecting region is provided in a horseshoe shape that surrounds the outer periphery of the polished portion except for a part thereof, and the air ejection region is provided in a horseshoe shape along the outer periphery of the dust collecting region, and the dust collecting region is provided. The horseshoe shape of the air ejection region is provided with a notch on the traveling direction side of the dust collector in the circumferential direction.

The polishing system of the present invention includes a polishing machine for polishing a rotating polishing portion in contact with a work, and the above-mentioned dust collecting device for a polishing machine.

According to the dust collecting device for a polishing machine of the present invention, there is an effect that the dust can be prevented from scattering around the work surface and efficiently collected without interfering with the unevenness of the work surface.

According to the polishing system of the present invention, the work is polished by the polishing machine, and at the same time, the dust collector for the polishing machine prevents the dust from scattering to the surroundings without interfering with the unevenness of the work surface, which is efficient. It has the effect of being able to collect dust.

It is an overall block diagram which shows the polishing system of an embodiment. It is a perspective view which shows the polishing system of an embodiment. It is a vertical sectional view which shows the polishing system of an embodiment. It is a bottom view which shows the polishing system of an embodiment. It is a bottom view which shows the polishing system of a modification.

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

The polishing machine 100 is a known device for polishing a polishing brush 101 as a polishing portion by contacting it with a work W, and is a polishing brush 101 having a large number of brush bristles attached to a cylindrical base and a polishing brush 101. A rotary shaft 102 connected to the center of the rotary shaft 102, a drive unit 103 including a motor and a speed reducer for rotationally driving the rotary shaft 102, and a housing 104 for accommodating the polishing brush 101 are provided. The work W is, for example, a resin molded product having an uneven surface on the surface after molding and before finishing. In polishing the work 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 work W, and the tip side of the polishing brush 101 abuts on the surface to be polished of the work W. It is done by rotating it in a state where it is made to rotate.

The dust collector 1 is a device that collects dust generated by polishing the work W by the polishing machine 100, and includes a dust collecting nozzle N with an air blow, a dust collecting pipe 30, a dust collecting machine 40, a blow pipe 50, and an air blow. It is configured to include a machine 60.

The dust collecting nozzle N with an air blow is a nozzle mounted on the polishing machine 100 in order to exert both dust collecting and air blowing functions. The dust collecting nozzle N with an air blow is formed in the shape of a hollow container whose inside is divided into a dust collecting 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 connecting port 12 that communicates with the dust collecting side air passage 11 and opens at the upper end. One end of the dust collecting pipe 30 is connected to the dust collector connecting port 12.

The horseshoe-shaped portion N2 is a portion extending from the side surface of the cylindrical portion N1 in a horseshoe shape in a plan view. The dust collecting nozzle N with an air blow is attached to 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 collecting side air passage 11 of the cylindrical portion N1. As shown in FIG. 4, one dust collecting port 13a that continuously opens along the horseshoe shape is formed at the lower end of the horseshoe-shaped portion N2 near the inner circumference, and the horseshoe shape in which the dust collecting port 13a is arranged is formed. The area is the dust collecting area 13.

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

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

The dust collector 40 is a known dust collector that collects dust by sucking air, and the dust sucked from the dust collecting port 13a of the dust collecting nozzle N with an air blow is passed through the dust collecting pipe 30 from the dust collector connecting port 12. And collect.

The two blow pipes 50 are pipe members for sending air toward the air ejection port 23a of the dust collecting nozzle N with an air blow, one end of which is connected to the air blower connecting port 22 and the other end of which is the air blower 60. Are connected to each.

The air blower 60 is a known air blower that ejects compressed air, and sends compressed air to a blow pipe 50 from each air ejection port 23a via an air blower connecting port 22 of a dust collecting nozzle N with an air blow. Let it spout.

The dust collector 40, the dust collecting pipe 30, and the dust collecting area 13 provided with the dust collecting side air passage 11 from the dust collector connecting port 12 to the dust collecting port 13a and the dust collecting port 13a in the dust collecting nozzle N with an air blow. , The dust collecting unit 10 of the present invention is configured. Further, the air blower 60, the blow pipe 50, the blow side air passage 21 from the air blower connection port 22 to each air blowout port 23a in the dust collecting nozzle N with air blow, and the air blowout area 23 provided with each air blowout port 23a. The air blow unit 20 of the present invention is configured by the above.

Next, the operation of each part when polishing the work W 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 the operator positions and contacts the polishing brush 101 with the surface to be polished of the work W to be polished, the surface of the work W is polished by the rotating polishing brush 101. The dust generated by polishing is sucked from the dust collecting port 13a formed in the shape of a horseshoe around the polishing brush 101, passes through the dust collecting pipe 30, and is collected by the dust collector 40. Further, the dust blown in the outer peripheral direction by the rotation of the polishing brush 101 forms an air curtain with the work W by the air ejected from the plurality of air ejection ports 23a arranged on the outer peripheral side of the dust collecting port 13a. Then, the scattering to the surroundings is prevented, and further, the air flows inward from the air ejection port 23a to the dust collecting region 13 and is sucked from the dust collecting port 13a.

On the notch N2K side in the circumferential direction of the horseshoe-shaped portion N2, dust is not collected because the dust collection port 13a does not exist, and dust temporarily remains on the surface of the work W. When the dust is moved relative to W, the dust collection port 13a approaches the dust on the surface of the work W, and finally dust is collected.

As is clear from the above-mentioned details, the dust collector 1 of the present embodiment is a dust collector used in the polishing machine 100 in which the polishing brush 101 as a rotating polishing portion is brought into contact with the work W for polishing. A dust collecting portion 10 having a dust collecting region 13 in which a dust collecting port 13a is arranged in the vicinity of the polishing brush 101 and collecting dust generated by polishing the work W by sucking air from the dust collecting port 13a. It has an air ejection region 23 in which a plurality of air ejection outlets 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 collecting region 13, and the air ejection outlets 23a are directed toward the work W. It is provided with an air blow unit 20 for blowing air.

According to this configuration, in the dust collecting unit 10, dust generated by polishing the work W by the rotating polishing brush 101 is collected from the dust collecting port 13a of the dust collecting region 13 arranged in the vicinity of the polishing brush 101. Collect by suction. On the other hand, in the air blow unit 20, air is blown toward the work W from each air ejection port 23a of the air ejection region 23 arranged so as to surround at least a part of the periphery of the region R including the polishing brush 101 and the dust collecting region 13. By spraying, an air curtain is formed and dust is prevented from scattering around.

Therefore, it is possible to prevent the dust from scattering around the work W without interfering with the unevenness of the surface of the work W and efficiently collect the dust.

Further, the dust collecting 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 collecting region 13.

According to this configuration, the dust spreading from the rotating polishing brush 101 to the surroundings can be efficiently collected by the dust collecting port 13a of the dust collecting region 13 provided so as to surround at least a part of the outer periphery of the polishing brush 101. can. Further, an air curtain formed by air ejected from each air ejection port 23a of the air ejection region 23 provided along the outer periphery of the dust collecting region 13 surrounds the polishing brush 101 and the outer periphery of the dust collecting region 13. It is possible to prevent the dust from scattering around.

In particular, the dust collecting region 13 is provided in a horseshoe shape that surrounds the outer periphery of the polishing brush 101 except for a part (about 1/4 of the entire outer circumference), and the air ejection region 23 is along the outer periphery of the dust collecting region 13. It is provided in the shape of a horseshoe.

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

Further, each air ejection port 23a has an air passage inclined toward the inner peripheral side of the region R including the polishing brush 101 and the dust collecting region 13 toward the air ejection direction. According to this configuration, the dust scattered on the outer peripheral side of the dust collection region 13 flows to the dust collection region 13 on the inner peripheral side by the flow of air toward the inner circumference from each air ejection port 18, and the dust collection port. It is sucked from 13a.

Further, the dust collector 1 is divided into a dust collecting side air passage 11 whose internal space communicates with the dust collecting port 13a and a blow side air passage 21 communicating with each air ejection port 23a, and has a dust collecting region 13 and an air ejection. A dust collecting nozzle N with an air blow is provided as a nozzle member integrally provided with the region 23. According to this configuration, since the dust collection region 13 and the air ejection region 23 are appropriately positioned in advance with respect to the polishing brush 101, a simple configuration can prevent dust from scattering to the periphery and reliably collect dust. can do. Further, since the device can be miniaturized, interference with the work W can be further suppressed and the degree of freedom in polishing can be improved.

The polishing system S of the present embodiment includes a polishing machine 100 for bringing a polishing brush 101 as a rotating polishing portion into contact with a work W for polishing, and the above-mentioned dust collector 1. According to this configuration, the work W is polished by the polishing machine 100, and at the same time, the dust collecting device 1 prevents the dust from scattering to the surroundings without interfering with the unevenness of the surface of the work W and efficiently collects the dust. It has the effect of being able to dust.

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

In the above embodiment, the dust collecting nozzle N with an air blow has a horseshoe-shaped portion N2, and the dust collecting region 13 is arranged in a horseshoe shape with a part cut out in the circumferential direction on the outer peripheral side of the polishing brush 101. 23 is arranged on the outer peripheral side along the horseshoe-shaped region where the dust collecting region 13 is arranged, but the present invention is not limited to this.

Hereinafter, a modified example of the present embodiment will be described with reference to FIG. The same members as those in the above embodiment are designated by the same reference numerals, and detailed description thereof will be omitted. In this modification, instead of the configuration of the above embodiment, as shown in FIG. 5, the dust collecting region 13 having the dust collecting port 13a is provided in an annular shape forming a circumferential shape surrounding the entire outer periphery of the polishing brush 101. The air ejection region 23 having a plurality of air ejection outlets 23a is provided in an annular shape along the outer periphery of the dust collecting region 13.

According to this modification, since the dust collecting region 13 is provided in a circumferential shape surrounding the entire outer circumference of the polishing brush 101, dust can be reliably collected in all directions of the outer circumference. Further, since the air ejection region 23 is provided in a circumferential shape along the outer circumference of the dust collection region 13, an air curtain is formed so as to surround the entire outer circumference of the dust collection region 13 to ensure the scattering of dust around the dust collection region 13. Can be prevented. In this modification, the polishing brush 101 can be attached and detached from the bottom surface side.

Further, in the above embodiment, one horseshoe-shaped dust collecting port 13a is provided in the dust collecting area 13, but a plurality of round hole-shaped dust collecting ports are arranged in a horseshoe shape to collect horseshoe-shaped dust. Region 13 may be formed. Further, in the above modification, one annular dust collecting port 13a is provided in the dust collecting region 13, but a plurality of round hole-shaped dust collecting ports are arranged in an annular shape to collect the annular dust. Region 13 may be formed.

Further, in the above embodiment, a plurality of round hole-shaped air ejection ports 23a are arranged in a horseshoe shape to form a horseshoe-shaped air ejection region 23, but one horseshoe-shaped air in the dust collecting region 13 is formed. It may be configured to provide a spout. Further, in the above modification, a plurality of round hole-shaped air ejection ports 23a are arranged in an annular shape to form an annular air ejection region 23, but one annular air in the air ejection region 23 is formed. It may be configured to provide a spout.

Further, in the above embodiment or the modification, the dust collecting region 13 is provided so as to surround at least a part of the outer periphery of the polishing brush 101, but the dust collecting region 13 is close to the polishing brush 101 and the dust collecting port 13a. Any configuration may be used as long as it is arranged. In short, by providing an air ejection region 23 in which a plurality of air ejection outlets 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 collecting region 13, the above-described embodiment can be used. A similar effect is achieved.

1 ... Dust collector (dust collector for polishing machine), 10 ... Dust collector, 11 ... Dust collection side air passage, 13 ... Dust collection area, 13a ... Dust collection port, 20 ... Air blow unit, 21 ... Blow side air Passage, 23 ... air ejection area, 23a ... air ejection port, 40 ... dust collector, 60 ... air blower, 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 (4)

A dust collector used in a grinding machine that grinds a rotating polishing part housed in a cylindrical housing in contact with a work.
A dust collecting region having a dust collecting region on the outer peripheral side of the housing in which a dust collecting port is arranged close to the polishing portion, and a dust collecting portion that collects dust generated by polishing the work by sucking air from the dust collecting port. When,
An air blow unit having an air ejection region in which an air ejection port is arranged so as to surround at least a part of the outer periphery of the area including the polishing portion and the dust collecting region, and blowing air from the air ejection port toward the work. When,
Equipped with
The dust collecting region is provided in a horseshoe shape that surrounds the outer periphery of the polished portion except for a part thereof.
The air ejection region is provided in a horseshoe shape along the outer circumference of the dust collecting region.
The horseshoe shape of the dust collecting region and the air ejection region is provided with a notch on the traveling direction side of the dust collecting device in the circumferential direction, and is a dust collecting device for a polishing machine. The dust collecting device for a polishing machine according to claim 1, wherein the air ejection port has an air passage inclined toward the inner peripheral side of the polishing portion and the dust collecting region including the polishing portion and the dust collecting region in the air ejection direction. A nozzle whose internal space is divided into a dust collecting side air passage communicating with the dust collecting port and a blow side air passage communicating with the air ejection port, and the dust collecting region and the air ejection region are integrally provided. The dust collector for a polishing machine according to claim 1 or 2 , further comprising a member. A grinding machine that grinds the rotating polishing part in contact with the work,
The dust collector for a grinding machine according to any one of claims 1 to 3 .
A polishing system equipped with.

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