CN212145129U - Double gun quick release welding fixture - Google Patents

Abstract

The utility model relates to a double-gun quick-release welding fixture, which comprises a spring clamping head, a connecting seat sleeved on the outside of the spring clamping head, and a plurality of clamping blocks evenly distributed on the connecting seat. There is a telescopic rod that can move back and forth along its axial direction to promote the tension of the spring clamping head. The outer casing of the connecting seat is provided with a driving block that can rotate along the circumferential direction of the connecting seat. When the block rotates, it is a linkage assembly that promotes the clamping or separation of the clamping block. Between the driving block and the spring clamping head, there is an elastic limiter that promotes the spring clamping head to be in the axial limit of the connecting seat or can be separated from the connecting seat. .

Description

Double gun quick release welding fixture

technical field

The utility model relates to a clamp, in particular to a double-gun quick-release welding clamp.

Background technique

In the process of auto parts processing, when welding parts and accessories, the parts to be welded need to be clamped by special fixtures. For a clamp with multiple clamping ends, when disassembling and clamping or separating accessories, multiple operation steps are required to complete the clamping or separation. Not only is the processing time wasted, but also the locking force will be different when the clamping ends are locked one by one by manual operation, and it is impossible to ensure that the locking force of each clamping end is consistent. As a result, the clamped accessories cannot be kept completely flat on the fixture, and there will be more or less errors when welding them, and the stability and firmness of the welded part cannot be guaranteed.

Utility model content

In view of the deficiencies in the prior art, the utility model provides a double-gun quick-release welding fixture with a simple structure, which is easy to disassemble and assemble, the locking force of each clamping end can be kept consistent, and the structure is simple.

In order to achieve the above purpose, the present invention provides the following technical solutions: a double-gun quick-release welding fixture, which is characterized in that it includes a spring clamping head, a connecting seat sleeved outside the spring clamping head, and uniformly distributed on the connecting seat. There are several clamping blocks in the spring clamping head, the spring clamping head is provided with a telescopic rod that can move back and forth along its axial direction to promote the tension of the spring clamping head, and the outer casing of the connection seat is provided with a drive that can rotate along the circumferential direction of the connection seat There is a linkage assembly between the driving block and the clamping block, which promotes the clamping or separation of the clamping block when the driving block rotates. The elastic limiter that can be separated from the connecting seat to the limit.

Using the above technical solution, when the accessories to be welded need to be clamped, the accessories are placed on the clamping device, and then the driving block is rotated, and the driving block drives each clamping block at the same time, so that each clamping block is clamped. And the clamping locking force is the same. At the same time, the telescopic rod is driven to release the interference to the spring clamping head, so that the spring clamping head can clamp the accessories. In this way, the clamping force of each clamping end is set to be consistent, and the clamped accessories can be stably placed in the fixture device, which facilitates stability and firmness during welding. The provision of the elastic limiter can facilitate the disassembly and assembly of the clamping device.

The utility model is further configured as follows: the clamping block includes a hollow pipe body mounted on the connection seat, and the other end of the hollow pipe body relative to the one end connected to the connection seat is an openable clamping opening, located at the clamping opening of the clamping block. The outer peripheral surface of the opening is provided with a plurality of elastic opening grooves, and the inner wall of the clamping opening is a conical surface, and is connected with the inner wall of the hollow pipe body; The push column that moves to and fro and is linked with the push column and is located at the conical surface of the clamping opening can collide with the clamping opening and promote the steel balls of the clamping opening to open and close. Push the first bevel where the column fits.

With the above technical solution, when the driving block rotates, the first inclined surface on it collides with the inclined surface of the pushing column, thereby driving the pushing column to move up and down in the clamping block, and the steel ball can be directed towards the clamping opening of the clamping block when rising. Moving, the clamping opening is opened to contact the clamping of the clamping block; on the contrary, the push column will descend in the clamping block, and the steel ball will release the resistance to the clamping opening, so that the clamping opening will return to the clamping state. Simple structure and convenient operation.

The utility model is further provided as follows: an insertion groove is formed on the outer peripheral surface of the elastic clamping head corresponding to the elastic limiting member, and the elastic limiting member includes a spring clip located between the driving block and the spring clamping head and facing the spring clamp. The limit pin for the reciprocating movement of the socket slot of the holder. The limit pin includes a driving part and a limit part. The end of the driving part facing the driving block is a second inclined surface, and the driving block is provided with a matching second inclined surface. The third inclined surface of the connecting seat and the driving part of the limit pin are provided with a return spring whose one end is in conflict with the driving part and the other end is in conflict with the connecting seat.

With the above technical solution, when the second slope of the limit pin is in contact with the third slope of the drive block, the limit pin overcomes the spring force of the return spring and moves toward the elastic clamping head. When the limit portion of the limit pin enters the When the elastic clamping head is inserted into the insertion groove, the axial direction of the elastic clamping head is limited and can be stably located in the connecting seat. When it and the elastic clamping head are to be disassembled, the driving block is rotated to release the resistance to the limit pin, and the limit pin is reset by the return spring, so that the limit part is separated from the insertion groove of the elastic clamping head. .

The present utility model will be further described below in conjunction with the accompanying drawings.

Description of drawings

Fig. 1 is the structural representation of the utility model embodiment;

Fig. 2 is the A-A sectional schematic diagram of Fig. 1;

Fig. 3 is the B-B sectional schematic diagram of Fig. 1;

4 is a schematic structural diagram of a clamping block in an example of the present invention.

Detailed ways

The double-gun quick-release welding fixture shown in Figures 1 to 4 includes a spring clamping head 1, a connecting base 2 that is sleeved outside the spring clamping head 1 and a number of clamps that are evenly distributed on the connecting base 2 Block 3, the spring clamping head 1 is provided with a telescopic rod 4 that can move back and forth along its axial direction to promote the opening and closing of the spring clamping head 1, and the outer casing of the connecting seat 2 is provided with a driving block 5 that can rotate along the circumferential direction of the connecting seat 2 , between the driving block 5 and the clamping block 3, there is a linkage assembly 6 that promotes the clamping or separation of the clamping block 3 when the driving block 5 rotates, and between the driving block 5 and the spring clamping head 1 The head 1 is located in the connecting seat 2 in an axial limit or an elastic limiter 7 that can be separated from the connecting seat 2 . In the above scheme, when the accessories to be welded need to be clamped, the accessories are placed on the clamping device, and then the driving block 5 is rotated. Clamping, and the clamping locking force is the same. At the same time, the telescopic rod 4 is driven to release the resistance to the spring clamping head 1, so that the spring clamping head 1 clamps the accessories, and the telescopic rod 4 can be driven by an external air cylinder or hydraulic cylinder. In this way, the clamping force of each clamping end is set to be consistent, and the clamped accessories can be stably placed in the fixture device, which facilitates stability and firmness during welding. The arrangement of the elastic limiting member 7 can facilitate the disassembly and assembly of the clamping device.

In the embodiment of the present invention, the clamping block 3 includes a hollow pipe body mounted on the connection base 2 , and the other end of the hollow pipe body relative to the end connected to the connection base 2 is a clamping opening 31 that can be stretched and closed. , there are several elastic opening grooves 311 on the outer peripheral surface of the clamping opening 31, and the inner wall of the clamping opening 31 is a tapered surface 312, which is connected with the inner wall of the hollow pipe body; The push column 61 in the hollow tube body that can reciprocate along its axial direction and the steel ball 62 linked with the push column 61 and located at the conical surface 312 of the clamping opening 31 can collide with the clamping opening 31 and push the clamping opening 31 to open and close. , the end surface of the driving block 5 located at the push column 61 is the first inclined surface 51 which is adapted to the push column 61 . The first slope 51 has the highest point and the lowest point. When the driving block 5 rotates, the first inclined surface 51 on the driving block 5 collides with the inclined surface of the pushing column 61 , thereby driving the pushing column 61 to move up and down in the clamping block 3 . The direction of the clamping opening 31 is moved, so that the clamping opening 31 is opened to contact the clamping of the clamping block 3; on the contrary, the pushing column 61 is lowered in the clamping block 3, and the steel ball 62 will release the interference to the clamping opening 31. , so that the clamping opening 31 returns to the clamping state. Simple structure and convenient operation.

In the embodiment of the present invention, an insertion slot 11 is formed on the outer peripheral surface of the elastic clamping head 1 corresponding to the elastic limiting member 7 . The limit pin for the reciprocating movement of the insertion slot 11 of the spring clamping head 1. The limit pin includes a driving portion 71 and a limiting portion 72. The end of the driving portion 71 facing the driving block 5 is a second slope 711. The driving block 5 There is a third inclined surface 52 adapted to the second inclined surface 711 , between the connecting seat 2 and the driving part 71 of the limit pin is provided with a return spring 73 whose one end collides with the driving part 71 and the other end collides with the connecting seat 2 . When the second slope 711 of the limit pin is in contact with the third slope 52 on the drive block 5, the limit pin overcomes the spring force of the return spring 73 and moves toward the elastic clamping head 1. When the limit portion 72 of the limit pin When entering into the insertion groove 11 of the elastic clamping head 1 , the axial direction of the elastic clamping head 1 is limited and can be stably located in the connecting seat 2 . When it and the elastic clamping head 1 are to be disassembled, the driving block 5 is rotated to release the interference to the limit pin, and the limit pin is reset by the return spring 73, so that the limit part 72 is separated from the elastic clamping head 1. The socket 11 may be used.

Claims (3)

1. The double-gun quick-release welding fixture is characterized in that: it includes a spring clamping head, a connection seat sleeved on the spring clamping head and several clamping blocks evenly distributed on the connection seat. The holding head is provided with a telescopic rod that can be moved back and forth along its axial direction to promote the tension of the spring clamping head, the outer casing of the connecting seat is provided with a driving block that can rotate along the circumferential direction of the connecting seat, and a driving block and the clamping block are provided with When the driving block rotates, a linkage assembly is used to promote the clamping or separation of the clamping block. Between the driving block and the spring clamping head, there is an elastic limit that urges the spring clamping head to be in the axial limit in the connecting seat or can be separated from the connecting seat. bit piece. 2 . The double-gun quick-release welding fixture according to claim 1 , wherein the clamping block comprises a hollow tube body mounted on the connecting seat, and the hollow tube body is opposite to one end connected to the connecting seat. 3 . The other end of the clamping opening is a stretchable clamping opening, and a number of elastic opening grooves are opened on the outer peripheral surface of the clamping opening, and the inner wall of the clamping opening is a conical surface, which is connected with the inner wall of the hollow tube body; The linkage assembly includes a push column that is in the hollow tube body and can reciprocate along its axial direction, and is linked with the push column and located at the conical surface of the clamping opening, which can collide with the clamping opening, so as to promote the clamping opening to open and close. The end surface of the drive block at the push column is a first inclined surface adapted to the push column. 3. The double-gun quick-release welding fixture according to claim 1 or 2, characterized in that: an insertion groove is formed on the outer peripheral surface of the spring clamping head corresponding to the elastic limit member, and the elastic limit The component includes a limit pin between the driving block and the spring clamping head that can move back and forth toward the insertion slot of the spring clamping head. The limiting pin includes a driving part and a limiting part, and the driving part faces one end of the driving block It is a second inclined surface, and the driving block is provided with a third inclined surface adapted to the second inclined surface. Between the connecting seat and the driving part of the limit pin, one end is in conflict with the driving part, and the other end is in conflict with the connecting seat. the return spring.

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