CN210938599U

CN210938599U - Pneumatic grinding tool

Info

Publication number: CN210938599U
Application number: CN201922149168.XU
Authority: CN
Inventors: 魏鑫; 魏明杰; 袁新勇; 李云清
Original assignee: Huizhou Hongsheng Die Casting Products Co ltd
Current assignee: Huizhou Hongsheng Die Casting Products Co ltd
Priority date: 2019-12-04
Filing date: 2019-12-04
Publication date: 2020-07-07
Anticipated expiration: 2029-12-04

Abstract

The utility model belongs to the technical field of the grinding tool technique and specifically relates to a pneumatic grinding tool, which comprises a housin, the upper end of casing is connected with the body, the upper end of body is connected with the intake pipe, logical groove has been seted up to the inner wall bottom of casing, the inside that leads to the groove is rotated through the bearing and is connected with the pivot, the upper end of pivot is connected with the impeller, the lower extreme of pivot is connected with the wheel of polishing, casing outside lower part swing joint has the connecting cover body, the ring channel has been seted up to the lower extreme of the connecting cover body, the inner wall top equidistance of ring channel is connected with the spring, the lower extreme of spring is connected with the. Compared with the prior art, the utility model has the advantages of reasonable design, it is convenient to use, has powerful practicality and functionality, facilitates the use more.

Description

Pneumatic grinding tool

Technical Field

The utility model relates to a grinding tool technical field especially relates to a pneumatic grinding tool.

Background

The pneumatic grinding machine is a tool which works by utilizing high-pressure air and a pneumatic motor, is suitable for various high-temperature angles and other various severe environments, does not generate electric sparks in the using process, and has small equipment volume, high rotating speed and high grinding efficiency. Most of the traditional pneumatic grinding machines do not have the dust collection effect, but when grinding, dust is very easy to generate, so that air is polluted, harm is caused to the bodies of workers, and the pneumatic grinding machines are inconvenient to use. To this end, we propose a pneumatic sanding tool to address such problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art, and providing a pneumatic polishing tool which is more convenient to use.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a pneumatic grinding tool, includes the casing, the upper end of casing is connected with the body, the upper end of body is connected with the intake pipe, logical groove has been seted up to the inner wall bottom of casing, the inside that leads to the groove is rotated through the bearing and is connected with the pivot, the upper end of pivot is connected with the impeller, the lower extreme of pivot is connected with the wheel of polishing, casing outside lower part swing joint has the connecting cover body, the ring channel has been seted up to the lower extreme of the connecting cover body, the inner wall top equidistance of ring channel is connected with the spring, the lower extreme of spring is connected with the translucent cover body, just.

Preferably, the ball valve is mounted on the pipe body.

Preferably, the outer wall of the pipe body is connected with a handle, and a rubber anti-slip sleeve is fixedly sleeved on the outer side of the handle.

Preferably, the inner wall upper side of the connecting cover body is provided with an internal thread, and the lower part of the outer side of the shell is provided with an external thread matched with the internal thread.

Preferably, the inner wall middle part equidistance of the connecting cover body is seted up flutedly, the inside joint of recess has the strip shaped plate, and it has the electrostatic absorption membrane to bond on the outer wall of strip shaped plate, just be connected with the pull ring on the strip shaped plate.

Preferably, the transparent cover body is a PVC transparent cover body.

The utility model provides a pair of pneumatic grinding tool, beneficial effect lies in: during the use, with the external high-pressure gas of intake pipe, high-pressure gas gets into the casing along the body, it is rotatory to promote the impeller, thereby make pivot and grinding wheel rotate, can polish the processing to the work piece, the wheel of will polishing shelters from through the connecting cover body and the translucent cover body that set up, can avoid the workman to touch by mistake and be injured, the device is used safelyr, place the translucent cover body on the work piece, it moves down wholly to apply external force press device, make the translucent cover body withdrawal ring channel in, thereby it can contact with the work piece to polish the wheel, and the translucent cover body can be blocked the dust that produces of polishing, rethread electrostatic absorption membrane adsorbs the dust, thereby avoid the dust to fly upward, work environment has. Compared with the prior art, the utility model has the advantages of reasonable design, it is convenient to use, has powerful practicality and functionality, facilitates the use more.

Drawings

Fig. 1 is a schematic structural view of a pneumatic grinding tool according to the present invention;

fig. 2 is an enlarged schematic view of a portion a of the pneumatic polishing tool according to the present invention.

In the figure: the device comprises a shell 1, a pipe body 2, an air inlet pipe 3, a ball valve 4, a through groove 5, a rotating shaft 6, an impeller 7, a grinding wheel 8, a connecting cover body 9, an annular groove 10, a spring 11, a transparent cover body 12, a groove 13, a strip-shaped plate 14, an electrostatic adsorption film 15, a handle 16 and a rubber anti-slip sleeve 17.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-2, a pneumatic grinding tool comprises a shell 1, wherein the upper end of the shell 1 is connected with a pipe body 2, the upper end of the pipe body 2 is connected with an air inlet pipe 3, a ball valve 4 is installed on the pipe body 2, the air inflow of the air inlet pipe 3 can be controlled through the ball valve 4, and the rotating speed of a grinding wheel 8 can be conveniently adjusted.

Be connected with handle 16 on the outer wall of body 2, and the fixed rubber antiskid cover 17 that has cup jointed in the outside of handle 16, the device of conveniently taking is more stable.

Logical groove 5 has been seted up to casing 1's inner wall bottom, the inside that leads to groove 5 is rotated through the bearing and is connected with pivot 6, the upper end of pivot 6 is connected with impeller 7, the lower extreme of pivot 6 is connected with the wheel of

polishing

8, 1 outside lower part swing joint of casing has the connecting cover body 9, the inner thread has been seted up to the inner wall upside of the connecting cover body 9, the external screw thread with internal thread looks adaptation is seted up to 1 outside lower part of casing, threaded connection's mode, make connecting cover body 9 easy dismounting, make things convenient for the maintenance and the maintenance work.

Ring channel 10 has been seted up to the lower extreme of the connecting cover body 9, the inner wall top equidistance of ring channel 10 is connected with spring 11, spring 11's lower extreme is connected with the translucent cover body 12, the translucent cover body 12 is the PVC translucent cover body, conveniently observe the situation of polishing, and the translucent cover body 12 and ring channel 10 looks adaptation, the inner wall middle part equidistance of the connecting cover body 9 is seted up flutedly 13, the inside joint of recess 13 has bar board 14, it has electrostatic adsorption membrane 15 to bond on bar board 14's the outer wall, and be connected with the pull ring on bar board 14, electrostatic adsorption membrane 15 can adsorb the dust, avoid the dust to fly upward, and conveniently pull out bar board 14 through the pull ring that sets up, thereby conveniently clear up electrostatic adsorption membrane.

The working principle is as follows: during the use, with the external high-pressure gas of intake pipe 3, high-pressure gas gets into casing 1 along body 2, it is rotatory to promote impeller 7, thereby make pivot 6 and grinding wheel 8 rotate, can polish the processing to the work piece, will grind wheel 8 through the connecting cover body 9 that sets up and translucent cover body 12 and shelter from, can avoid the workman to touch by mistake and be injured, it is safer that the device is used, place translucent cover body 12 on the work piece, it moves down wholly to exert external force press device, make translucent cover body 12 withdrawal ring channel 10 in, thereby grinding wheel 8 can contact with the work piece, and translucent cover body 12 can be blockaded the dust that produces of polishing, rethread electrostatic absorption membrane 15 adsorbs the dust, thereby avoid the dust to fly upward.

Above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the design of the present invention, equivalent replacement or change should be covered within the protection scope of the present invention.

Claims

1. A pneumatic grinding tool comprises a shell (1), wherein the upper end of the shell (1) is connected with a pipe body (2), the upper end of the pipe body (2) is connected with an air inlet pipe (3), it is characterized in that the bottom end of the inner wall of the shell (1) is provided with a through groove (5), the interior of the through groove (5) is rotationally connected with a rotating shaft (6) through a bearing, the upper end of the rotating shaft (6) is connected with an impeller (7), the lower end of the rotating shaft (6) is connected with a grinding wheel (8), the lower part of the outer side of the shell (1) is movably connected with a connecting cover body (9), the lower end of the connecting cover body (9) is provided with an annular groove (10), the top end of the inner wall of the annular groove (10) is connected with springs (11) at equal intervals, the lower end of the spring (11) is connected with a transparent cover body (12), and the transparent cover body (12) is matched with the annular groove (10).

2. A pneumatic sanding tool according to claim 1, wherein the tube body (2) has a ball valve (4) mounted thereon.

3. The pneumatic sanding tool of claim 1, wherein a handle (16) is connected to the outer wall of the tube body (2), and a rubber anti-slip sleeve (17) is fixedly sleeved on the outer side of the handle (16).

4. The pneumatic sanding tool of claim 1, wherein the inner wall of the connecting cover (9) has an internal thread on the upper side, and the housing (1) has an external thread on the lower part of the outer side adapted to the internal thread.

5. The pneumatic grinding tool as claimed in claim 1, wherein the middle part of the inner wall of the connecting cover body (9) is provided with a groove (13) at equal intervals, a strip-shaped plate (14) is clamped inside the groove (13), an electrostatic adsorption film (15) is bonded on the outer wall of the strip-shaped plate (14), and the strip-shaped plate (14) is connected with a pull ring.

6. A pneumatic sanding tool as defined in claim 1, wherein the transparent cover (12) is a PVC transparent cover.