CN220740717U - Grinding workpiece clamp - Google Patents

Abstract

The utility model relates to the technical field of grinding clamps, in particular to a grinding workpiece clamp. Its technical scheme includes hollow base, fixed plate and vacuum pump, hollow base upper surface fixed mounting has the fixed plate, the fixed plate upper surface is provided with the bell mouth, the inside toper end cap that is provided with of bell mouth, vacuum pump input fixedly connected with check valve, the terminal fixedly connected with three-way valve of check valve, one side fixedly connected with manometer that the three-way valve deviates from the check valve, the terminal fixedly connected with of manometer connects the trachea, and connects trachea end and hollow base surface fixed connection, surface fixed connection has the intake pipe under the three-way valve. The utility model is convenient for fixing the plate workpiece before plane grinding, is not influenced by whether the plate workpiece has magnetism, is convenient for fixing and disassembling the plate, and improves the overall grinding efficiency.

Description

Grinding workpiece clamp

Technical Field

The utility model relates to the technical field of grinding clamps, in particular to a grinding workpiece clamp.

Background

The grinding process refers to a mechanical processing method for removing redundant materials on a workpiece by using a film material or a grinding tool, belongs to finish processing in the mechanical processing, has wide application, and needs to use a clamp to fix the workpiece on a grinding platform before the workpiece is ground.

In the plane grinding process of the existing plate, the plate is usually fixed by using a plane magnetic bed, but for some plates which are not magnetic such as aluminum alloy and the like, the plates are required to be clamped and fixed on a grinding platform by using a clamp, but the traditional clamp is complicated in operation when fixing and disassembling plate workpieces, so that the grinding efficiency is affected, and therefore, the clamp for grinding the workpieces is provided.

Disclosure of Invention

The utility model aims to provide a grinding workpiece clamp which has the advantages of being convenient for fixing a plate workpiece before plane grinding, being free from the influence of magnetism of the plate workpiece, being convenient for fixing and detaching the plate and improving the overall grinding efficiency, and solves the problems that the existing plate is usually fixed by a plane magnetic bed in the plane grinding process, but a clamp is required to be used for clamping and fixing a plate which does not have magnetism such as aluminum alloy on a grinding platform, and the traditional clamp is complicated in operation when fixing and detaching the plate workpiece, and the grinding efficiency is influenced.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a grinding work piece anchor clamps, includes hollow base, fixed plate and vacuum pump, hollow base upper surface fixed mounting has the fixed plate, the fixed plate upper surface is provided with the bell mouth, the inside toper end cap that is provided with of bell mouth, vacuum pump input fixedly connected with check valve, check valve end fixedly connected with three-way valve, one side fixedly connected with manometer that the three-way valve deviates from the check valve, manometer end fixedly connected with connecting air pipe, and connecting air pipe end and hollow base surface fixed connection, three-way valve lower surface fixedly connected with intake pipe.

Preferably, an annular groove is formed in the upper surface of the fixing plate at a position close to the edge of the conical hole, and a sealing ring is fixedly arranged in the annular groove.

Preferably, a rubber layer is arranged on the outer surface of the conical plug.

Preferably, the upper surface of the conical plug is fixedly provided with a lifting block.

Preferably, the filter screen is fixedly arranged in the hollow base, and the hollow base is fixedly connected with the fixing plate through bolts.

Preferably, the tail end of the air inlet pipe is fixedly connected with a dust filter box.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, the fixing plate, the hollow base and the vacuum pump are arranged, so that the plate workpiece before plane grinding is conveniently fixed, the plate workpiece is not influenced by magnetism, the plate workpiece is conveniently fixed and detached, the overall grinding efficiency is improved, the plurality of conical plugs are taken out according to the size of the plate workpiece, the plate workpiece is placed on the upper surface of the fixing plate, the conical holes for taking out the conical plugs are all positioned below the plate workpiece, the vacuum pump works to enable the inside of the hollow base to be in a negative pressure state, the plate workpiece is adsorbed on the upper surface of the fixing plate, after plane grinding is finished, the three-way valve is adjusted to enable the connecting air pipe to be communicated with the air inlet pipe, the air pressure value inside the hollow base is restored to the atmospheric pressure, and the plate workpiece is conveniently taken down.

2. The utility model achieves the effect of sealing the joint surface of the plate workpiece and the fixed plate by arranging the annular groove and the sealing ring, is beneficial to improving the firmness of the plate workpiece adsorbed on the fixed plate, and has the effect of sealing the joint surface of the plate workpiece and the fixed plate by the sealing ring when the lower surface of the plate workpiece is contacted with the sealing ring when the upper surface of the fixed plate is placed on the plate workpiece.

3. According to the utility model, the filter screen and the dust filter box are arranged, so that the effect of avoiding abrasion caused by dust particles and other impurities entering the vacuum pump and prolonging the service life of the vacuum pump is achieved, when external air enters the hollow base through the air inlet pipe, dust impurities in the air are filtered through the dust filter box, and when the vacuum pump works, the dust particles in the air entering the vacuum pump are filtered by the filter screen.

Drawings

FIG. 1 is a schematic diagram of the main sectional structure of the present utility model;

FIG. 2 is an enlarged schematic view of the structure of FIG. 1A according to the present utility model;

fig. 3 is a schematic view of a partial main sectional structure of a vacuum pump according to the present utility model.

Reference numerals: 1. a hollow base; 2. a filter screen; 3. a fixing plate; 4. a vacuum pump; 5. a conical plug; 6. lifting the block; 7. a seal ring; 8. an annular groove; 9. a rubber layer; 10. a tapered bore; 11. connecting an air pipe; 12. a pressure gauge; 13. a three-way valve; 14. a one-way valve; 15. an air inlet pipe; 16. dust filter box.

Detailed Description

The technical scheme of the utility model is further described below with reference to the attached drawings and specific embodiments.

Example 1

As shown in fig. 1 to 3, the grinding workpiece clamp provided by the utility model comprises a hollow base 1, a fixed plate 3 and a vacuum pump 4, wherein the fixed plate 3 is fixedly arranged on the upper surface of the hollow base 1, a conical hole 10 is formed in the upper surface of the fixed plate 3, the diameter of the conical hole 10 decreases from top to bottom, a plurality of conical holes 10 are uniformly distributed on the upper surface of the fixed plate 3, an annular groove 8 is formed in the position, close to the edge of the conical hole 10, of the upper surface of the fixed plate 3, a sealing ring 7 is fixedly arranged in the annular groove 8, the sealing ring 7 is made of rubber, part of the sealing ring 7 is positioned outside the annular groove 8, a conical plug 5 is arranged in the conical hole 10, the input end of the vacuum pump 4 is fixedly connected with a one-way valve 14, the tail end of the one-way valve 14 is fixedly connected with a three-way valve 13, one side, which is away from the one-way valve 14, of the three-way valve 13 is fixedly connected with a pressure gauge 12 for measuring the air pressure value inside the hollow base 1, the tail end of the three-way valve 12 is fixedly connected with a connecting air pipe 11, the tail end of the three-way valve 11 is fixedly connected with the air inlet pipe 15 fixedly connected with the tail end of the air pipe 11 and the outer surface of the hollow base 1.

When the plate workpiece vacuum pump is used, the plurality of conical plugs 5 are taken out according to the size of the plate workpiece, the plate workpiece is placed on the upper surface of the fixed plate 3, conical holes 10 for taking out the conical plugs 5 are all positioned below the plate workpiece, the vacuum pump 4 works to enable the interior of the hollow base 1 to be in a negative pressure state, the plate workpiece is adsorbed on the upper surface of the fixed plate 3, after plane grinding processing is finished, the three-way valve 13 is adjusted to enable the connecting air pipe 11 to be communicated with the air inlet pipe 15, the air pressure value inside the hollow base 1 is restored to the atmospheric pressure, and the plate workpiece is conveniently taken down.

Example two

As shown in fig. 1 to 3, compared with the first embodiment, the grinding workpiece clamp provided by the utility model further comprises a rubber layer 9 arranged on the outer surface of the conical plug 5, wherein when the conical plug 5 is inserted into the conical hole 10, the rubber layer 9 plays a role in sealing, a lifting block 6 is fixedly arranged on the upper surface of the conical plug 5, the conical plug 5 is taken and placed through the lifting block 6, a filter screen 2 is fixedly arranged in the hollow base 1, the filter screen 2 is positioned above the connecting position of the connecting air pipe 11 and the hollow base 1, the hollow base 1 and the fixed plate 3 are fixedly connected through bolts, the fixed plate 3 is convenient to disassemble and assemble, the filter screen 2 is convenient to clean, and the tail end of the air inlet pipe 15 is fixedly connected with a dust filter box 16.

In this embodiment, when outside air enters into the hollow base 1 through the intake pipe 15, dust impurities in the air are filtered through the dust filter box 16, and when the vacuum pump 4 works, dust particles in the air entering into the vacuum pump 4 are filtered by the filter screen 2, so that abrasion caused by the entering of impurities such as dust particles into the vacuum pump 4 can be avoided, and the service life of the vacuum pump 4 is prolonged.

The above-described embodiments are merely a few preferred embodiments of the present utility model, and many alternative modifications and combinations of the above-described embodiments will be apparent to those skilled in the art based on the technical solutions of the present utility model and the related teachings of the above-described embodiments.

Claims (6)

1. Grinding work piece anchor clamps, including hollow base (1), fixed plate (3) and vacuum pump (4), its characterized in that: the utility model discloses a vacuum pump, including hollow base (1), fixed plate (3) are installed to hollow base (1) upper surface fixed mounting, fixed plate (3) upper surface is provided with bell mouth (10), inside toper end cap (5) that are provided with of bell mouth (10), vacuum pump (4) input fixedly connected with check valve (14), check valve (14) end fixedly connected with three-way valve (13), one side fixedly connected with manometer (12) of check valve (14) are deviate from to three-way valve (13), manometer (12) end fixedly connected with connecting trachea (11), and connecting trachea (11) end and hollow base (1) surface fixedly connected with intake pipe (15) are installed to three-way valve (13) lower surface fixedly connected with.

2. The grinding workpiece holder of claim 1, wherein: an annular groove (8) is formed in the upper surface of the fixing plate (3) near the edge of the conical hole (10), and a sealing ring (7) is fixedly arranged in the annular groove (8).

3. The grinding workpiece holder of claim 1, wherein: the outer surface of the conical plug (5) is provided with a rubber layer (9).

4. The grinding workpiece holder of claim 1, wherein: the upper surface of the conical plug (5) is fixedly provided with a lifting block (6).

5. The grinding workpiece holder of claim 1, wherein: the filter screen (2) is fixedly arranged in the hollow base (1), and the hollow base (1) is fixedly connected with the fixing plate (3) through bolts.

6. The grinding workpiece holder of claim 1, wherein: the tail end of the air inlet pipe (15) is fixedly connected with a dust filter box (16).