Dust removal device of polishing and grinding machine

Abstract

The utility model discloses a dust removal device of a polishing and grinding machine. The dust removal device comprises an equipment frame, two shells, two filter paper plates, two partition plates, two material guide pipes, a ventilation pipeline and a pump. When the polishing and grinding machine is used, according to the used polishing wheel, the shell corresponding to the polishing wheel is communicated with the pump through the reversing valve. When the polishing wheel is used for polishing, the first valve in the shell is closed firstly, and the pump is started to work, so that air enters the shell from the area where the polishing wheel is located, passes through the filtering paper board, enters the ventilation pipeline and is discharged from the pump to form airflow. Powder generated in the grinding process enters the shell along with the air flow and falls on the filter paper plate, and part of the powder falls into the material guide pipe along the inclined filter paper plate. And after polishing is completed, the first valve is opened, powder attached to the filter paper plate is cleaned, and the powder falls into the area, below the partition plate, of the shell along the material guide pipe. The polishing and grinding machine has the beneficial effects of reducing flying dust of the polishing and grinding machine and improving the use environment.

Description

TECHNICAL FIELD

[0001] The utility model relates to polishing processing, especially relate to a dust collector of polishing machine. BACKGROUND

[0002] Polishing is a common processing procedure, which is generally used to make the surface of a processed object smoother and more even. A polishing machine is a common polishing device, which has two polishing wheels of different types. In denture processing, a polishing machine is generally used to polish the surface of a denture. During polishing, the part of the denture surface removed by polishing will be in powder form. At present, a groove is arranged below each polishing wheel of the polishing machine, and a collection tray is placed in the groove to receive the powder falling from polishing. However, due to the high-speed rotation of the polishing wheels during polishing, the powder is easily lifted, which makes the working environment of the polishing machine worse and also requires subsequent cleaning of the polishing machine. SUMMARY

[0003] The dust collector of the polishing machine provided in the present application can solve the problems in the background art.

[0004] In the present application, a dust collector of a polishing machine is provided, which comprises:

[0005] An equipment rack, which has two first through grooves on a table top;

[0006] Two housings, which have open top surfaces and are fixed to the two first through grooves of the equipment rack, respectively;

[0007] Two filter paper boards, which are fixed in the two housings, respectively, and have a feed inlet in the middle and are inclined toward the feed inlet in the periphery;

[0008] Two partitions, which are fixed in the two housings, respectively, and are below the filter paper boards; the partitions have a discharge outlet in the middle;

[0009] Two material guide pipes, which each have a first valve; the material guide pipes are in the two housings, respectively, and have upper ends connected to the feed inlets and lower ends connected to the discharge outlets;

[0010] An air passage, which has a reversing valve; the air passage is connected to the two housings and is connected at a position between the filter paper boards and the partitions;

[0011] A pump, which is connected to the air passage.

[0012] Further, the housing is provided with a box door that can be sealed and closed, and the box door corresponds to the area of the housing between the filter paper boards and the partitions.

[0013] Further, the top surface of the housing is detachably connected with a cover plate.

[0014] Further, the top surface of each of the two housings exceeds the first through slot.

[0015] Further, a collection box is detachably mounted on the housing, and the collection box corresponds to the area of the housing below the partition plate.

[0016] Further, the first valve is an electromagnetic valve.

[0017] To sum up, in the present application, a dust removal device of a throw sander includes a device frame, two housings, two filter paper plates, two partition plates, two material guide pipes, an air duct, and a pump. When the throw sander is in use, according to the used polishing wheel, the corresponding housing and pump of the polishing wheel are communicated through a reversing valve. When the polishing wheel is used for polishing, the first valve in the housing is closed first, and the pump is started to work, so that air enters the housing from the area where the polishing wheel is located, passes through the filter paper plate, enters the air duct, and is discharged from the pump, forming an air flow. The powder generated during the polishing process enters the housing along the air flow and falls on the filter paper plate, and part of the powder falls into the material guide pipe along the inclined filter paper plate. After the polishing is completed, the first valve is opened, and the powder attached to the filter paper plate is cleaned, so that the powder falls into the area below the partition plate of the housing along the material guide pipe. The beneficial effects are that the dust of the throw sander is reduced, and the use environment is improved. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to better illustrate the technical solutions in the embodiments or background of the present application, the drawings required to be used in the embodiments or background of the present application will be described below.

[0019] Figure 1 It is a front view of the present application after placing the throw sander;

[0020] Figure 2 It is a front view of the present application after placing the throw sander; Figure 1 It is a sectional view along A-A;

[0021] Figure 3 It is a front sectional view of the present application;

[0022] Figure 4 It is an enlarged schematic view of A part; Figure 3

[0023] Figure 5 It is a setting schematic view of the housing.

[0024] In the drawings,

[0025] 1, device frame; 1a, frame body; 1b, table top; 1b1, first through slot;

[0026] 2, housing; 2a, box door; 2b, cover plate; 2c, collection box;

[0027] 3, filter paper plate; 3a, feed inlet;​

[0028] 4, partition; 4a, discharge port;

[0029] 5, material guide pipe; 5a, first valve;

[0030] 6, air venting pipeline; 6a, reversing valve;

[0031] 7, pump;

[0032] 8, polishing machine; 8a, polishing wheel. DETAILED DESCRIPTION

[0033] Further description will be made in combination with the accompanying drawings. Unless otherwise defined, the technical terms or scientific terms used in the present disclosure should be understood as the common meanings understood by those with ordinary skills in the art to which the present disclosure belongs. The terms "first", "second", and similar terms used in the present disclosure do not represent any order, number, or importance, but are only used to distinguish different components. The terms "include", "contain", and similar terms mean that the components or objects before the terms encompass the components or objects listed after the terms and their equivalents, without excluding other components or objects. The terms "connect" or "connected" and similar terms are not limited to physical or mechanical connections, but can include electrical connections, whether direct or indirect. The terms "upper", "lower", "left", "right", and the like are only used to represent relative positional relationships, and when the absolute positions of the described objects change, the relative positional relationships can also change accordingly.

[0034] Referring to Figure 1 and Figure 2 , a dust removal device of a polishing machine includes a device frame 1, two housings 2, two filter paper boards 3, two partitions 4, two material guide pipes 5, an air venting pipeline 6, and a pump 7.

[0035] The device frame 1 can be a frame body 1a built by aluminum profiles and a table top 1b fixedly connected to the top of the frame body 1a, and the table top 1b is provided with two first through slots 1b1.

[0036] Referring to Figure 2 and Figure 4 , the top surfaces of the two housings 2 are open and are respectively fixed to the two through slots of the device frame 1. Specifically, the outer wall of the housing 2 is attached to the inner wall of the first through slot 1b1, and the outer wall of the housing 2 can be provided with a first mounting portion extended in a circle, which is fixedly connected to the table top 1b by screws. When the polishing machine 8 is placed on the table top 1b, two second through slots of the base of the polishing machine 8 correspond to the two housings 2, that is, the two polishing wheels 8a of the polishing machine 8 are respectively above the two housings 2.

[0037] Referring to Figure 2 and Figure 3In some embodiments, the top surface of each of the two housings 2 exceeds the first through slot 1b1.

[0038] In this way, when the polishing machine 8 is placed on the table 1b, the two second through slots fit into the excess portions of the two housings 2. The shape of the first through slot 1b1 is designed according to the shape of the second through slot, i.e. the outer wall of the housing 2 and the inner wall of the second through slot also fit, so that the polishing machine 8 is stably placed on the table 1b.

[0039] Referring to Figure 4 , two filter paper boards 3 are fixed in the two housings 2. Specifically, the inner wall of the housing 2 can have a second mounting portion extending therefrom, and the edge of the filter paper board 3 is fixedly connected to the second mounting portion by adhesion.

[0040] The filter paper board 3 has a feeding port 3a in the middle and is inclined towards the feeding port 3a in all directions. Specifically, the filter paper board 3 can include a skeleton with the feeding port 3a and filter paper covering the skeleton.

[0041] Two baffles 4 are fixedly connected to the two housings 2, which can be welded. The baffle 4 is below the filter paper board 3, and the housing 2 is divided into three areas from top to bottom by the filter paper board 3 and the baffle 4. The baffle 4 also has a discharging port 4a in the middle.

[0042] The two material guide pipes 5 each have a first valve 5a for controlling the opening and closing of the material guide pipe 5. The two material guide pipes 5 are respectively in the two housings 2, and the upper end is connected to the feeding port 3a and the lower end is connected to the discharging port 4a. Specifically, the skeleton of the filter paper board 3 has a downwardly extending pipe corresponding to the position of the feeding port 3a, and the baffle 4 has an upwardly extending pipe corresponding to the position of the discharging port 4a. The two pipes are respectively connected to the two connection ports of the first valve 5a, i.e. the two pipes are the above-mentioned material guide pipes 5.

[0043] In some embodiments, the first valve 5a is an electromagnetic valve. Compared with a manual valve, the electromagnetic valve is more convenient for remote control outside the housing 2.

[0044] The air pipe 6 has a reversing valve 6a, which connects the two housings 2 and is connected between the filter paper board 3 and the baffle 4.

[0045] Referring to Figure 1 and Figure 3 , the pump 7 is connected to the air pipe 6. Specifically, the air pipe 6 can include two pipes arranged between the housings 2 and the reversing valve 6a, and a pipe arranged between the pump 7 and the reversing valve 6a. The two housings 2 are fixedly connected by a connecting piece for mounting the reversing valve 6a, and the pump 7 is mounted on the frame body 1a of the equipment frame 1. Through the reversing valve 6a, one of the two housings 2 can be selected to communicate with the pump 7.

[0046] When the grinding machine 8 is in use, the grinding wheel 8a is connected to the shell 2 and the pump 7 through the reversing valve 6a according to the grinding wheel 8a used. When the grinding wheel 8a is used for grinding, the first valve 5a in the shell 2 is closed first, and the pump 7 is started to work, so that air enters the shell 2 from the area where the grinding wheel 8a is located, passes through the filter paper 3, enters the air pipe 6, and is discharged from the pump 7, forming an air flow. The powder generated during the grinding process enters the shell 2 along with the air flow and falls on the filter paper 3, and part of the powder falls into the guide pipe 5 along the inclined filter paper 3. After the grinding is completed, the first valve 5a is opened, and the powder attached to the filter paper 3 is cleaned, so that the powder falls into the area below the partition 4 in the shell 2 along the guide pipe 5.

[0047] Please refer to Figure 2 and Figure 5 In some embodiments, the shell 2 is provided with a sealable box door 2a. Specifically, the box door 2a is provided with a sealing strip, one side of which is hinged to the shell 2 through a hinge connector, and the other side is opened or closed relative to the shell 2 through a lock catch. The box door 2a corresponds to the area of the shell 2 between the filter paper 3 and the partition 4.

[0048] In this way, after the box door 2a is opened, the hand can be inserted from the box door 2a to knock the filter paper 3 from the bottom surface of the filter paper 3, so that the powder attached to the filter paper 3 falls into the guide pipe 5 along the filter paper 3, that is, the powder attached to the filter paper 3 can be cleaned more conveniently. Correspondingly, if the first valve 5a is a manual valve, the box door 2a can also be opened to manually open and close the first valve 5a.

[0049] Please refer to Figure 3 and Figure 4 In some embodiments, the top surface of the shell 2 is detachably connected with a cover plate 2b.

[0050] In this way, after the first valve 5a is opened and the cover plate 2b is covered on the opening of the top surface of the shell 2, the pump 7 is reversed to blow air, so that the air passes through the air pipe 6 and the filter paper 3, blows the powder attached to the filter paper 3 and carries it into the guide pipe 5, that is, the powder attached to the filter paper 3 can be cleaned more conveniently.

[0051] Please refer to Figure 4 and Figure 5 In some embodiments, the shell 2 is detachably provided with a collection box 2c, and the collection box 2c corresponds to the area below the partition 4 in the shell 2.

[0052] In this way, the powder falling into the guide pipe 5 accumulates in the collection box 2c, and the powder in the shell 2 can be cleaned in time by replacing the collection box 2c.

Claims

1. A dust removal device for a polishing mill, characterized in that, include: The equipment rack (1) has two first through slots (1b1) on its tabletop (1b); Two housings (2) with open top surfaces are respectively fixed to the two first through slots (1b1) of the equipment frame (1); Two filter paperboards (3) are fixed inside the two housings (2) respectively; the filter paperboards (3) have a feed inlet (3a) in the middle and are inclined around the feed inlet (3a); Two partitions (4) are fixed inside the two housings (2) respectively, and are located below the filter paper (3); the partitions (4) have a discharge port (4a) in the middle; Two feed pipes (5) are each equipped with a first valve (5a); they are located in the two housings (2) respectively, with the upper end connected to the feed inlet (3a) and the lower end connected to the discharge outlet (4a); Ventilation pipe (6) with a reversing valve (6a); connecting the two housings (2), the connection being located between the filter paper (3) and the partition (4); Pump (7) is connected to the ventilation pipe (6).

2. The dust removal device for a polishing mill according to claim 1, characterized in that, The housing (2) is provided with a door (2a) that can be sealed and closed, and the door (2a) corresponds to the area of ​​the housing (2) between the filter paper (3) and the partition (4).

3. The dust removal device for a polishing mill according to claim 1, characterized in that, The top surface of the housing (2) is detachably connected to a cover plate (2b).

4. The dust removal device for a polishing mill according to claim 1, characterized in that, The top surfaces of both housings (2) extend beyond the first through groove (1b1).

5. The dust removal device for a polishing mill according to claim 1, characterized in that, A collection box (2c) is detachably mounted on the housing (2), and the collection box (2c) corresponds to the area of ​​the housing (2) below the partition (4).

6. The dust removal device for a polishing mill according to claim 1, characterized in that, The first valve (5a) is a solenoid valve.

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