CN216608003U

CN216608003U - Clamp for machining U-shaped groove of rear cover of compressor

Info

Publication number: CN216608003U
Application number: CN202122537091.0U
Authority: CN
Inventors: 光善琳; 钱海龙; 冯栋梁
Original assignee: Anhui Dayin Automobile Air Conditioning Co ltd
Current assignee: Anhui Dayin Automobile Air Conditioning Co ltd
Priority date: 2021-10-21
Filing date: 2021-10-21
Publication date: 2022-05-27
Anticipated expiration: 2031-10-21

Abstract

The utility model provides a clamp for machining a U-shaped groove of a rear cover of a compressor, which comprises a bottom plate and a positioning disc, wherein the positioning disc is installed on the bottom plate, a plurality of telescopic cylinders are installed on the bottom plate around the positioning disc, the telescopic cylinders are provided with telescopic shafts which are telescopic in the vertical direction, the telescopic shafts are connected with a pressing plate, and the pressing plate is provided with a pressing head at a position close to one side of the positioning disc and above the positioning disc. According to the utility model, by arranging the positioning disc, the telescopic cylinder and the pressing plate, when the rear cover is used, the rear cover is placed on the positioning disc for positioning, the telescopic cylinder drives the pressing plate to descend through the telescopic shaft, and the top of the rear cover is pressed tightly through the pressing head, so that the clamping and positioning of the rear cover are realized, and the circumferential direction of the rear cover is ensured not to deflect during processing.

Description

Clamp for machining U-shaped groove of rear cover of compressor

Technical Field

The utility model relates to a clamp, in particular to a clamp for machining a U-shaped groove of a rear cover of a compressor.

Background

The back cover is a vital and complex part in the automobile air conditioner compressor, and the processing size of the inside of the back cover is greatly different due to the fact that the appearance and the shape of different back covers are greatly different. At present, in the processing of a U-shaped groove of a rear cover, an operator manually drills the U-shaped groove in the traditional processing technology, and workpieces are manually placed on a tool by the operator and are drilled with a radial drilling machine. Because the manual operation is adopted, the labor intensity of workers is increased, the production efficiency is reduced, meanwhile, the quality of the processed part is difficult to ensure, and the consistency is poor; thereby causing high product rejection rate; thirdly, due to the instability of manual operation, the uniformity of the precision and the quality of the U-shaped groove processed by the rear cover cannot be realized, and the quality of the automobile air conditioner compressor is easily reduced.

SUMMERY OF THE UTILITY MODEL

Based on the technical problems in the background art, the utility model provides a clamp for machining a U-shaped groove of a rear cover of a compressor.

The utility model provides a clamp for machining a U-shaped groove of a rear cover of a compressor, which comprises a bottom plate and a positioning disc, wherein the positioning disc is installed on the bottom plate, a plurality of telescopic cylinders are installed on the bottom plate around the positioning disc, the telescopic cylinders are provided with telescopic shafts which are telescopic in the vertical direction, the telescopic shafts are connected with a pressing plate, and the pressing plate is provided with a pressing head at a position close to one side of the positioning disc and above the positioning disc.

Preferably, at least three vertically arranged support columns are mounted on the positioning plate.

Preferably, still install the vertical reference column of arranging of a plurality of on the positioning disk, the locating pin is installed on the reference column top, and the reference column is circumference evenly distributed with the support column.

Preferably, a plurality of first threaded holes are formed in the positioning plate, a plurality of second threaded holes are formed in the bottom plate, the first threaded holes and the second threaded holes are arranged in a one-to-one correspondence mode, and the corresponding first threaded holes and the corresponding second threaded holes are connected through fastening bolts.

Preferably, the number of the telescopic cylinders is two, two connecting plates are symmetrically arranged on the bottom plate about the positioning plate, and the two telescopic cylinders are respectively arranged on the two connecting plates.

Preferably, the connecting plates are provided with waist-shaped grooves at two sides of the telescopic cylinder, the length direction of the waist-shaped grooves is consistent with the connecting line direction of the two connecting plates, and the waist-shaped grooves are movably matched with and assembled with adjusting bolts and the adjusting bolts are fixedly connected with the bottom plate.

Preferably, the side of the bottom plate far away from the positioning plate is concavely provided with a groove.

According to the clamp for machining the U-shaped groove of the rear cover of the compressor, the positioning disc, the telescopic cylinder and the pressing plate are arranged, when the clamp is used, the rear cover is placed on the positioning disc for positioning, the telescopic cylinder drives the pressing plate to descend through the telescopic shaft, the top of the rear cover is pressed through the pressing head, the rear cover is clamped and positioned, the fact that the rear cover does not deflect in the circumferential direction during machining is guaranteed, the pressing head is made of copper materials, and damage to the rear cover after the tool is pressed can be avoided; the support column and the workpiece limiting surface are adopted for supporting, so that the limiting area can be reduced, and the positioning precision and consistency are ensured.

Drawings

FIG. 1 is a schematic structural view of a fixture for machining a U-shaped groove of a rear cover of a compressor according to the present invention;

fig. 2 is a schematic diagram of a clamp for machining a U-shaped groove of a rear cover of a compressor according to the present invention.

Detailed Description

Referring to fig. 1 and 2, the utility model provides a fixture for processing a U-shaped groove of a rear cover of a compressor, which comprises a bottom plate 1 and a positioning disc 2, wherein the positioning disc 2 is installed on the bottom plate 1, two connecting plates 10 are symmetrically installed on the bottom plate 1 relative to the positioning disc 2, telescopic cylinders 3 are installed on the two connecting plates 10, each telescopic cylinder 3 is provided with a telescopic shaft which is telescopic in the vertical direction, each telescopic shaft is connected with a pressing plate 4, and the pressing plates 4 are provided with pressing heads 5 which are close to one side of the positioning disc 2 and are positioned above the positioning disc 2.

In this embodiment, at least three support columns 7 vertically arranged are installed on the positioning plate 2 through bolts. Still install the vertical reference column 8 of arranging of a plurality of through the bolt on the positioning disk 2, locating pin 9 is installed on 8 tops of reference column, and reference column 7 is circumference evenly distributed with support column 8, forms spacing clearance between spacer pin 9 and the support column 7. When the positioning disc is used, the rear cover is positioned through the support columns and the positioning pins and is limited through the positioning pins, so that the rear cover a is prevented from rotating relative to the positioning disc 2; the support column 7 and the limit surface of the rear cover a are adopted for supporting, so that the limit area can be reduced, and the positioning precision and consistency can be ensured. Supporting column 7 and reference column 8 are fixed through bolt locking on positioning disk 2, can guarantee fast switch over and later stage maintenance.

When the tool is used, as shown in fig. 2, the rear cover a is placed on the supporting columns 7 and the positioning columns 8 on the positioning plate 2 and limited by the positioning pins 9, the telescopic cylinder 3 drives the pressing plate 4 to descend through the telescopic shaft, the top of the rear cover a is pressed tightly by the pressing head 5, clamping and positioning of the rear cover a are achieved, the pressing head 5 is made of copper materials, and damage to the rear cover a after the tool is pressed tightly can be avoided.

In the specific embodiment, a plurality of first threaded holes are formed in the positioning plate 2, a plurality of second threaded holes are formed in the bottom plate 1, the first threaded holes and the second threaded holes are arranged in a one-to-one correspondence mode, and the corresponding first threaded holes and the corresponding second threaded holes are connected through the fastening bolts 6. The positioning disc 2 and the bottom plate 1 are in locking connection through fastening bolts 6, the fastening bolts 6 can be detached if necessary, and the positioning disc 2 is rotated according to a machining position to change the pressing position of the rear cover a.

In the specific embodiment, waist-shaped grooves 11 are formed in the connecting plates 10 at two sides of the telescopic cylinder 3, the length direction of each waist-shaped groove 11 is consistent with the connecting line direction of the two connecting plates 10, an adjusting bolt 12 is movably fitted in each waist-shaped groove 11, and the adjusting bolt 12 is fixedly connected with the bottom plate 1. The waist-shaped groove 11 on the connecting plate 10 can change the pressing position in the longitudinal direction according to the diameter of the back cover a.

In the specific embodiment, a groove is formed in the concave side of the bottom plate 1 far away from the positioning disc, and after the bottom plate 1 is contacted with a machine tool, the contact surface can be reduced, and the parallelism of the clamp and the machine tool is ensured.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides an anchor clamps are used in processing of lid U type groove behind compressor, its characterized in that includes bottom plate (1) and positioning disk (2), installs on bottom plate (1) positioning disk (2), installs a plurality of telescoping cylinder (3) around positioning disk (2) on bottom plate (1), and telescoping cylinder (3) are provided with the flexible telescopic shaft of vertical direction, and the telescopic shaft is connected with clamp plate (4), and clamp plate (4) are close to positioning disk (2) one side and are located positioning disk (2) top position and are provided with pressure head (5).

2. The clamp for machining the U-shaped groove of the rear cover of the compressor as claimed in claim 1, wherein the positioning disc (2) is provided with at least three vertically arranged supporting columns (7).

3. The clamp for machining the U-shaped groove of the rear cover of the compressor as claimed in claim 2, wherein the positioning disc (2) is further provided with a plurality of positioning columns (8) which are vertically arranged, positioning pins (9) are arranged at the top ends of the positioning columns (8), and the positioning columns and the supporting columns are uniformly distributed in the circumferential direction.

4. The clamp for machining the U-shaped groove of the rear cover of the compressor as claimed in any one of claims 1 to 3, wherein a plurality of first threaded holes are formed in the positioning plate (2), a plurality of second threaded holes are formed in the base plate (1), the first threaded holes and the second threaded holes are arranged in a one-to-one correspondence manner, and the corresponding first threaded holes and the corresponding second threaded holes are connected through fastening bolts (6).

5. The clamp for machining the U-shaped groove of the rear cover of the compressor as claimed in any one of claims 1 to 3, wherein the number of the telescopic cylinders (3) is two, two connecting plates (10) are symmetrically arranged on the base plate (1) relative to the positioning plate (2), and the two telescopic cylinders (3) are respectively arranged on the two connecting plates (10).

6. The clamp for machining the U-shaped groove of the rear cover of the compressor as claimed in claim 5, wherein the connecting plates (10) are provided with waist-shaped grooves (11) at two sides of the telescopic cylinder (3), the length direction of each waist-shaped groove (11) is consistent with the connecting line direction of the two connecting plates (10), the waist-shaped grooves (11) are movably fitted with adjusting bolts (12), and the adjusting bolts (12) are fixedly connected with the base plate (1).

7. The clamp for machining the U-shaped groove of the rear cover of the compressor as claimed in any one of claims 1-3, wherein a groove is formed in one side of the bottom plate (1) far away from the positioning disc (2) in a concave mode.