CN215357703U

CN215357703U - Centrifugal arrangement grinding treatment jig for rotary grinding disc

Info

Publication number: CN215357703U
Application number: CN202022896431.4U
Authority: CN
Inventors: 李旭辉; 朱鹏
Original assignee: Suzhou Lingyu Electronic Technology Co Ltd
Current assignee: Suzhou Lingyu Electronic Technology Co Ltd
Priority date: 2020-12-04
Filing date: 2020-12-04
Publication date: 2021-12-31
Anticipated expiration: 2030-12-04

Abstract

The utility model discloses a centrifugal arrangement grinding treatment jig for a rotary grinding disc, which comprises an annular rotary disc, wherein the rotary disc can rotate under the driving of the grinding disc; the rotating disc is provided with a plurality of strip-shaped positioning bosses; a plurality of location boss is arranged along the radial from interior to exterior subregion of rotary disk to a plurality of location bosses in the different regions have the same characteristic and arrange, and the characteristic is arranged and is: the positioning bosses are sequentially and rotationally arranged around the circle center of the rotating disc at equal intervals, the length direction of each positioning boss is rotated by an angle alpha from the tangential direction of the rotating disc to the opposite direction of the rotation of the grinding disc, and the angle alpha is an acute angle; the rotation angle alpha of the positioning boss close to the center of the rotating disk is smaller than the rotation angle alpha of the positioning boss far away from the center of the rotating disk. The utility model can eliminate the revolution difference of the inner ring and the outer ring, ensure the consistent grinding amount of the products of the inner ring and the outer ring and improve the stability of the products.

Description

Centrifugal arrangement grinding treatment jig for rotary grinding disc

Technical Field

The utility model relates to the technical field of grinding processing, in particular to a centrifugal arrangement grinding processing jig for a rotary grinding disc.

Background

In the process of machining parts of 3C products, it is often necessary to grind the surfaces of various parts to a size that meets production requirements and to have smooth and round surfaces.

Grinding equipment in the prior art carries out product grinding through adopting the cooperation of grinding treatment tool and mill. Specifically, the products are arranged in a circular grinding treatment jig in an equiangular arrangement mode, and then the grinding treatment jig is reversely buckled and placed in a machine table fixing frame, so that the products are in contact with the surface of a grinding disc; the grinding disc rotates to drive the grinding treatment jig to rotate, and grinding processing is achieved.

However, since the inner and outer rings have a difference in the number of revolutions when the grinding jig rotates, the grinding amount of the products of the inner and outer rings is different, the size is unstable, the production yield of the products is low, and the market competitiveness is not high.

SUMMERY OF THE UTILITY MODEL

The utility model provides a centrifugal arrangement grinding treatment jig for a rotary grinding disc, which can solve one or more of the problems in the prior art.

According to one aspect of the utility model, a centrifugal arrangement grinding treatment jig for a rotary grinding disc is provided, which comprises an annular rotary disc, wherein the rotary disc can rotate under the driving of the grinding disc; a plurality of strip-shaped positioning bosses are arranged on one side surface of the rotating disc; a plurality of location boss is arranged along the radial from interior to exterior subregion of rotary disk to a plurality of location bosses in the different regions have the same characteristic and arrange, and the characteristic is arranged and is: the positioning bosses are sequentially and rotationally arranged around the circle center of the rotating disc at equal intervals, the length direction of each positioning boss is rotated by an angle alpha from the tangential direction of the rotating disc to the rotation direction of the rotating disc, and the angle alpha is an acute angle; the rotation angle alpha of the positioning boss close to the center of the rotating disk is smaller than the rotation angle alpha of the positioning boss far away from the center of the rotating disk.

The grinding treatment jig is matched with the grinding disc for use, so that one side of the grinding treatment jig, which is provided with the positioning boss, is in contact with the grinding disc for grinding products. Fix the product on the location boss, the mill pivoted drives the rotation of grinding treatment tool simultaneously, so realizes polishing to the product.

The grinding jig has the beneficial effects that through improving the acupuncture point arrangement of the grinding treatment jig, the difference of the rotation numbers of the inner ring and the outer ring generated in the rotation process of the grinding treatment jig can be eliminated, so that the consistency of the grinding amount of a product can be ensured, the stability of the size of the product is improved, and the yield of the product is improved.

In some embodiments, the difference between the inner diameter and the outer diameter of two adjacent areas on the rotating disk is equal, and the difference between the rotation angles α of the positioning bosses in the two adjacent areas is equal.

The rotary disc positioning device has the beneficial effects that the positioning bosses are distributed on the rotary disc at equal intervals along the radial direction, and the space on the rotary disc can be fully utilized. The difference value of the rotation angles alpha of the positioning bosses in the two adjacent areas is equal, so that the friction angles between the positioning bosses in different areas and the grinding disc are consistent when the positioning bosses rotate, and the same shape of a product after grinding can be ensured.

In some embodiments, the distance between two adjacent positioning bosses in the same region ranges from 20mm to 25 mm.

The polishing device has the beneficial effects that the influence of two adjacent positioning bosses on each other in the polishing process can be reduced, and the polishing effect of each boss is ensured. The distance range is controlled to be 20 mm-25 mm, so that the distance range is equivalent to the length of the positioning boss, the stability of the product after grinding can be ensured, and the yield is improved.

In some embodiments, both ends of the positioning boss in the length direction are provided with notches, and the product can be matched with the notches.

The positioning boss has the advantages that the notch plays a positioning role, product mounting sites are provided, and two mounting sites can be symmetrically arranged on each positioning boss.

In some embodiments, the positioning boss comprises a positioning bottom plate and a fixed block which are fixedly connected, and one side of the positioning bottom plate, which is far away from the fixed block, is fixedly connected with the rotating disc; the length of the positioning bottom plate is greater than that of the fixing block.

The positioning bottom plate has the beneficial effects that a gap is formed by the length difference of the positioning bottom plate and the fixing block, and the positioning bottom plate is used for installing a product. The positioning bottom plate is arranged between the fixed block and the rotating disk, the product is not in direct contact with the rotating disk, and the product can be prevented from being damaged by the rotating disk when being polished on the grinding disk.

In some embodiments, the positioning base plate is provided with curved flanges at both ends in the length direction.

The grinding disc has the beneficial effects that the end face of the curved surface flange is smooth, so that the grinding of the grinding disc on the positioning bottom plate in the grinding process can be avoided.

In some embodiments, the rotating disk is provided with a plurality of through holes, the through holes being near the ends of the positioning bosses.

The grinding device has the beneficial effects that part of dust generated in the grinding process can be discharged from the through hole, and the influence of the dust on the grinding effect of the product can be reduced.

Drawings

Fig. 1 is a schematic perspective view of a centrifugal arrangement grinding processing jig for a rotary grinding disc according to an embodiment of the present invention;

FIG. 2 is an enlarged view of a portion F of FIG. 1;

FIG. 3 is a front view of the centrifugal arrangement grinding process fixture for the rotary abrasive disc of FIG. 1;

FIG. 4 is an enlarged view of a portion G of FIG. 3;

fig. 5 is a schematic diagram of the centrifugal arrangement grinding treatment jig for the rotary grinding disc shown in fig. 1 and the matching of the grinding disc.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Fig. 1 to 5 schematically show a centrifugally arranged abrasive treatment tool for a rotating abrasive disc according to one embodiment of the present invention. As shown in the figure, the grinding treatment jig includes an annular rotary disk 10, and a plurality of elongated positioning bosses 20 are arranged on one side surface of the rotary disk 10, and are used for processing a grinding product. When the grinding disc is used, a product to be ground is arranged on one side of the rotating disc 10, and then the rotating disc 10 is placed on the grinding disc 30, so that the product on the rotating disc 10 is in direct contact with the grinding disc 30. The grinding disc 30 rotates to drive the grinding processing jig to rotate. In the process of the rotation of the grinding disc 30 and the reverse rotation of the grinding processing jig, the product is ground to have a certain appearance shape.

The length of location boss 20 is about 20mm, including location bottom plate 21 and fixed block 22, and one side of location bottom plate 21 and the upper surface fixed connection of rotary disk 10, fixed block 22 and the location bottom plate 21 go up one side fixed connection of keeping away from rotary disk 10. In this way, the presence of the positioning bottom plate 21 makes it possible to avoid the fixed block 22 coming into direct contact with the rotating disk 10.

The positioning bottom plate 21 and the fixing block 22 are both long strips, and the length of the positioning bottom plate 21 is slightly greater than that of the fixing block 22. When the fixing block 22 is connected with the positioning block, the centers of the fixing block 22 and the positioning block are superposed, and the size of the positioning bottom plate 21 is larger than that of the fixing block 22, so that notches 23 are formed at the two tail ends of the positioning boss 20. Two tail ends of the positioning bottom plate 21 along the length direction are provided with curved surface flanges 211, and the notches 23 are matched with the curved surface flanges 211 to provide mounting sites for products.

The product to be polished is installed in the notch 23 and is not in direct contact with the surface of the rotating disc 10, so that the product can be more fully in contact with the grinding disc 30 when being polished, and the grinding effect is ensured. The bottom surface of the product is contacted with the curved surface flange 211, the end surface of the curved surface flange 211 is smooth, the grinding of the grinding disc 30 to the positioning bottom plate 21 in the grinding process can be avoided, and the integrity of the positioning boss 20 is kept.

The rotary disk 10 is also provided with a through hole 11 near the end of the positioning boss 20, and part of dust generated during grinding can be discharged from the through hole 11.

The rotating disk 10 is divided into a plurality of areas with equal width along the radial direction, the areas are respectively an area A, an area B, an area C, an area D and an area E from inside to outside, and the difference between the inner diameter and the outer diameter of the two adjacent areas is equal. A plurality of locating bosses 20 are featured in different areas on the rotating disk 10: the positioning bosses 20 in each region are rotationally arranged by taking the circle center of the rotating disk 10 as the center, and the length direction of each positioning boss 20 has a certain rotation angle alpha with the tangential direction of the rotating disk 10.

The rotation angles alpha of the positioning bosses 20 are sequentially increased in an equal difference sequence from the area A to the area E, namely the rotation angle alpha of the positioning boss 20 in the area A is the smallest, the rotation angle alpha of the positioning boss 20 in the area E is the largest, and the difference values of the rotation angles alpha of the positioning bosses 20 in two adjacent areas are equal.

The length direction of the positioning boss 20 in the a-zone is rotated by 20 ° in the clockwise direction in the tangential direction of the rotary disk 10, that is, the rotation angle α of the positioning boss 20 in the a-zone is 20 °. The rotation angles alpha of the positioning bosses 20 in the B zone, the C zone, the D zone and the E zone are respectively 25 degrees, 30 degrees, 35 degrees and 40 degrees.

The distance between the positioning bosses 20 in the area A on the rotating disk 10 is slightly smaller and is 20mm, the distance between the positioning bosses 20 in the area E is 25mm, and the distances between the positioning bosses 20 in the area B, the area C and the area D are both 20mm to 25 mm.

In this embodiment, the grinding processing jig is used in cooperation with the grinding disc 30 rotating in the counterclockwise direction, and one grinding disc 30 can be used in cooperation with a plurality of grinding processing jigs at the same time. When the grinding disc is in work, a product to be ground is arranged in the notch 23 of the positioning boss 20, and then one side of the rotating disc 10, which is provided with the positioning boss 20, is downwards arranged on the upper surface of the grinding disc 30, so that the product is in direct contact with the surface of the grinding disc 30. The grinding disc 30 is started, the grinding disc 30 rotates in the counterclockwise direction, and the grinding treatment jig is driven to rotate in the direction indicated by the arrow in fig. 5.

Due to the characteristic arrangement of the positioning bosses 20 on the grinding treatment jig, in the rotating process of the grinding disc 30 and the grinding treatment jig, products in different areas on the rotating disc 10 rub with the surface of the grinding disc 30 at the same or similar angles, so that the difference of the rotation number of the inner ring and the outer ring generated in the rotation process of the grinding treatment jig can be eliminated, the consistent size of the products after grinding can be ensured, the stability of the products is improved, and the grinding treatment jig is suitable for mass production and application.

What has been described above are merely some embodiments of the present invention. It will be apparent to those skilled in the art that various changes and modifications can be made without departing from the inventive concept thereof, and these changes and modifications can be made without departing from the spirit and scope of the utility model.

Claims

1. The centrifugal arrangement grinding treatment jig for the rotary grinding disc is characterized by comprising an annular rotary disc (10), wherein the rotary disc (10) can rotate under the driving of the grinding disc (30); a plurality of strip-shaped positioning bosses (20) are arranged on one side surface of the rotating disc (10);

the positioning bosses (20) are arranged in a partitioning manner from inside to outside along the radial direction of the rotating disc (10), and the positioning bosses (20) in different areas have the same characteristic arrangement which is that: the positioning bosses (20) are sequentially and rotationally arranged around the circle center of the rotating disc (10) at equal intervals, the length direction of each positioning boss (20) is a rotating angle alpha from the tangential direction of the rotating disc (10) to the opposite direction of the rotation of the grinding disc (30), and the rotating angle alpha is an acute angle;

the rotating angle alpha of the positioning lug boss (20) close to the center of the rotating disk (10) is smaller than the rotating angle alpha of the positioning lug boss (20) far away from the center of the rotating disk (10).

2. The centrifugal arrangement grinding treatment jig for the rotary grinding disc according to claim 1, characterized in that the difference between the inside diameter and the outside diameter of two adjacent areas on the rotary disc (10) is equal, and the difference of the rotation angle α of the positioning boss (20) in the two adjacent areas is equal.

3. The centrifugal arrangement grinding treatment jig for the rotary grinding disc as claimed in claim 2, wherein the distance between two adjacent positioning bosses (20) in the same region is in the range of 20mm to 25 mm.

4. The centrifugal arrangement grinding treatment jig for the rotary grinding disc according to claim 1, characterized in that both ends of the positioning boss (20) in the length direction are provided with notches (23), and a product can be fitted with the notches (23).

5. The centrifugal arrangement grinding treatment jig for the rotary grinding disc according to claim 4, characterized in that the positioning boss (20) comprises a positioning bottom plate (21) and a fixed block (22) which are fixedly connected, and one side of the positioning bottom plate (21) far away from the fixed block (22) is fixedly connected with the rotary disc (10); the length of the positioning bottom plate (21) is greater than that of the fixing block (22).

6. The centrifugal arrangement grinding treatment jig for the rotary grinding disc according to claim 5, characterized in that both ends of the positioning bottom plate (21) in the length direction are provided with curved surface flanges (211).

7. The jig for the centrifugal arrangement grinding process of the rotating disc according to claim 4, 5 or 6, characterized in that the rotating disc (10) is provided with a plurality of through holes (11), the through holes (11) being close to the ends of the positioning bosses (20).