CN221809062U - A bicycle frame welding fixture - Google Patents

Abstract

The utility model discloses a welding fixture for a bicycle frame, which belongs to the technical field of frame welding and comprises a welding clamping frame, wherein a displacement groove is formed in the welding clamping frame; according to the utility model, the first motor is arranged, the second threaded rod and the first threaded rod are driven to rotate under the power output of the first motor, the second threaded rod and the first threaded rod drive the two displacement blocks to carry out opposite displacement when rotating, the two displacement blocks drive the first clamping blocks and the second clamping blocks which are close to the two connecting frames to carry out clamping displacement, meanwhile, the connecting frames drive the first air cylinder to carry out displacement, the first air cylinder drives the connecting blocks to carry out displacement, the connecting blocks drive the connecting plates to carry out clamping displacement, the connecting plates drive the third clamping blocks to enable steel pipes on the frame to be placed at the clamping blocks in three directions, and finally the clamping blocks are used for clamping and fixing synchronously, and the frame rigid pipes are vertically clamped during the period, so that front and rear welding surfaces of the frame steel pipes are exposed, and further welding of the frame steel pipes does not need to be replaced when welding the frame rigid pipes, so that a certain manpower is saved, and the frame steel pipes are more convenient.

Description

A bicycle frame welding fixture

Technical Field

The utility model belongs to the technical field of frame welding, and in particular relates to a bicycle frame welding fixture.

Background Art

As people's living standards improve, they spend more time on their physical health, and the demand for bicycles as exercise equipment and means of transportation increases. Therefore, the production efficiency and production quality requirements of bicycles are gradually improved.

The bicycle frame steel pipe needs to be clamped and fixed during welding to facilitate accurate welding. Traditional bicycle frame steel pipes are often fixed on a plane during welding. In this way, when welding the other side, the frame needs to be taken out and turned over, which is a cumbersome process. Therefore, a bicycle frame welding fixture is needed to solve the above problem.

Utility Model Content

The purpose of the utility model is to provide a bicycle frame welding fixture to solve the problems raised in the above background technology.

To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a bicycle frame welding fixture, comprising a welding clamping frame, a displacement groove is provided inside the welding clamping frame, a first threaded rod is rotatably connected inside the displacement groove, one end of the first threaded rod is fixedly connected to a second threaded rod, a fixing block is fixedly connected to the front of the welding clamping frame, a first motor is fixedly connected to the upper surface of the fixing block, an output shaft of the first motor is fixedly connected to one end of the second threaded rod, the thread directions of the first threaded rod and the second threaded rod are opposite, and the first threaded rod and the second threaded rod are opposite. The exteriors of the two threaded rods are both threadedly connected with displacement blocks, and the two displacement blocks are both slidably connected in the displacement grooves, the upper surfaces of the two displacement blocks are both fixedly connected with bottom blocks, the upper surfaces of the two bottom blocks are both fixedly connected with connecting frames, the adjacent sides of the two connecting frames are both rotatably connected with the first clamping block and the second clamping block, the upper surfaces of the two connecting frames are both fixedly connected with the first cylinders, the top ends of the two first cylinders are both fixedly connected with connecting blocks, the adjacent sides of the two connecting blocks are both fixedly connected with connecting plates, and the adjacent sides of the two connecting plates are both rotatably connected with the third clamping blocks.

By setting a first motor, the second threaded rod and the first threaded rod are driven to rotate under the power output of the first motor, and the second threaded rod and the first threaded rod drive the two displacement blocks to move toward each other when rotating, and the two displacement blocks drive the first clamping block and the second clamping block on the adjacent sides of the two connecting frames to perform clamping displacement, and at the same time, the connecting frame drives the first cylinder to move, the first cylinder drives the connecting block to move, the connecting block drives the connecting plate to move, and the connecting plate drives the third clamping block to clamp and displace, so that the steel pipes on the frame can be placed at the clamping blocks in three directions, and finally are clamped and fixed synchronously by the clamping blocks. During this period, the frame steel pipes are clamped vertically, so that the front and rear welding surfaces of the frame steel pipes are exposed, and then there is no need to change the surface for welding when welding them, which saves a certain amount of manpower and is more convenient.

As a preferred implementation, the lower surfaces of the first clamping block, the second clamping block and the third clamping block are all fixedly connected with connecting blocks.

As a preferred embodiment, a multi-stage telescopic rod is fixedly connected to the adjacent sides of the connecting block, and a second motor is provided at the rotation locations of the first clamping block, the second clamping block and the third clamping block at the rear.

As a preferred implementation, a transverse block is fixedly connected to the upper surface of the welding clamping frame, and a second cylinder is fixedly connected to the transverse block.

As a preferred embodiment, a pressing block is fixedly connected to the bottom end of the second cylinder, and a supporting block is fixedly connected to the inside of the welding clamping frame.

As a preferred implementation, a clamping groove is provided on the support block, and a frame locating pin is clamped between the clamping block and the clamping groove.

By setting up the first cylinder, the third clamping block on the connecting block can be driven to move up and down under the telescopic power of the first cylinder, so that the position of the third clamping block can be adjusted as needed. In addition, by setting up the second motor, the start of the second motor can drive the first clamping block, the second clamping block and the third clamping block to rotate at a certain azimuth angle to adapt to different types of welding requirements. During this period, since the clamping blocks are connected by multi-stage telescopic rods, when half of the clamping blocks rotate at an angle, the corresponding clamping blocks of the other half will also rotate synchronously.

Compared with the prior art, the beneficial effects of the utility model are:

The utility model provides a first motor, and the power output of the first motor drives the second threaded rod and the first threaded rod to rotate. When the second threaded rod and the first threaded rod rotate, they drive the two displacement blocks to move toward each other. The two displacement blocks drive the first clamping block and the second clamping block on the adjacent sides of the two connecting frames to perform clamping displacement. At the same time, the connecting frame drives the first cylinder to move, the first cylinder drives the connecting block to move, the connecting block drives the connecting plate to move, and the connecting plate drives the third clamping block to clamp and displace, so that the steel pipes on the frame can be placed at the clamping blocks in three directions, and finally are synchronously clamped and fixed by the clamping blocks. During this period, the frame steel pipes are clamped upright, so that the front and rear welding surfaces of the frame steel pipes are exposed, and then there is no need to change the surface for welding when welding them, which saves a certain amount of manpower and is more convenient.

The utility model, by setting a first cylinder, can drive the third clamping block on the connecting block to move up and down under the telescopic power of the first cylinder, so that the position of the third clamping block can be adjusted as needed. In addition, by setting a second motor, the start of the second motor can drive the first clamping block, the second clamping block and the third clamping block to rotate at a certain azimuth angle, so as to adapt to different types of welding requirements.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG1 is a schematic diagram of a three-dimensional structure of the utility model;

FIG2 is a schematic diagram of a side view of a three-dimensional structure of the present invention;

FIG3 is a schematic diagram of the three-dimensional structure of the second clamping block of the utility model;

FIG. 4 is a schematic diagram of the rear-view stereoscopic structure of the present invention.

In the figure: 1. welding clamping frame; 2. displacement groove; 3. first threaded rod; 4. second threaded rod; 5. fixing block; 6. first motor; 7. displacement block; 8. bottom block; 9. connecting frame; 10. first clamping block; 11. second clamping block; 12. first cylinder; 13. connecting block; 14. connecting plate; 15. third clamping block; 16. connecting block; 17. multi-stage telescopic rod; 18. second motor; 19. cross block; 20. second cylinder; 21. clamping block; 22. support block; 23. clamping groove; 24. frame locating pin.

DETAILED DESCRIPTION

The utility model is further described below in conjunction with embodiments.

The following examples are used to illustrate the present invention, but cannot be used to limit the scope of protection of the present invention. The conditions in the examples can be further adjusted according to specific conditions, and simple improvements to the method of the present invention under the premise of the concept of the present invention are all within the scope of protection claimed by the present invention.

Please refer to Figures 1-4. The utility model provides a bicycle frame welding fixture, including a welding clamping frame 1, a displacement groove 2 is opened inside the welding clamping frame 1, a first threaded rod 3 is rotatably connected inside the displacement groove 2, one end of the first threaded rod 3 is fixedly connected to the second threaded rod 4, a fixing block 5 is fixedly connected to the front of the welding clamping frame 1, a first motor 6 is fixedly connected to the upper surface of the fixing block 5, an output shaft of the first motor 6 is fixedly connected to one end of the second threaded rod 4, the thread directions of the first threaded rod 3 and the second threaded rod 4 are opposite, the outer parts of the first threaded rod 3 and the second threaded rod 4 are both threadedly connected to displacement blocks 7, the two displacement blocks 7 are both slidably connected in the displacement groove 2, the upper surfaces of the two displacement blocks 7 are both fixedly connected to bottom blocks 8, the upper surfaces of the two bottom blocks 8 are both fixedly connected to connecting frames 9, the adjacent sides of the two connecting frames 9 are both rotatably connected to the first clamping block 10 and the second clamping block 11, the upper surfaces of the two connecting frames 9 are both fixedly connected to the first cylinder 12, and the tops of the two first cylinders 12 are both fixedly connected to the engagement The connecting block 13, the adjacent sides of the two connecting blocks 13 are fixedly connected with the connecting plate 14, the adjacent sides of the two connecting plates 14 are rotatably connected with the third clamping block 15, by setting the first motor 6, the second threaded rod 4 and the first threaded rod 3 are driven to rotate under the power output of the first motor 6, and the second threaded rod 4 and the first threaded rod 3 drive the two displacement blocks 7 to move toward each other when rotating, and the two displacement blocks 7 drive the first clamping block 10 and the second clamping block 11 on the adjacent sides of the two connecting frames 9 to clamp and displace, and at the same time At the same time, the connecting frame 9 drives the first cylinder 12 to move, the first cylinder 12 drives the connecting block 13 to move, the connecting block 13 drives the connecting plate 14 to move, and the connecting plate 14 drives the third clamping block 15 to clamp and move, so that the steel pipes on the frame can be placed at the clamping blocks in three directions, and finally are clamped and fixed by the clamping blocks synchronously. During this period, the frame steel pipes are clamped upright, so that the front and rear welding surfaces of the frame steel pipes are exposed, and then there is no need to change the surface for welding when welding them, which saves a certain amount of manpower and is more convenient.

The lower surfaces of the first clamping block 10 , the second clamping block 11 and the third clamping block 15 are all fixedly connected with a connecting block 16 .

A multi-stage telescopic rod 17 is fixedly connected to the adjacent side of the connecting block 16 , and a second motor 18 is disposed at the rotation locations of the first clamping block 10 , the second clamping block 11 and the third clamping block 15 at the rear.

A transverse block 19 is fixedly connected to the upper surface of the welding clamping frame 1 , and a second cylinder 20 is fixedly connected to the transverse block 19 .

A pressing block 21 is fixedly connected to the bottom end of the second cylinder 20 , and a supporting block 22 is fixedly connected to the inside of the welding clamping frame 1 .

A clamping groove 23 is provided on the support block 22, and a frame locating pin 24 is clamped between the clamping block 21 and the clamping groove 23. By setting the first cylinder 12, the third clamping block 15 on the connecting block 13 can be driven to move up and down under the telescopic power of the first cylinder 12, so that the position of the third clamping block 15 can be adjusted as needed. In addition, by setting the second motor 18, the start of the second motor 18 can drive the first clamping block 10, the second clamping block 11 and the third clamping block 15 to rotate at a certain azimuth angle, so as to adapt to different types of welding requirements. During this period, since the clamping blocks are connected by a multi-stage telescopic rod 17, when half of the clamping blocks rotate at an angle, the corresponding clamping blocks of the other half will also rotate synchronously.

The working principle and use process of the utility model are as follows: first, the second threaded rod 4 and the first threaded rod 3 are driven to rotate under the power output of the first motor 6. When rotating, the second threaded rod 4 and the first threaded rod 3 drive the two displacement blocks 7 to move toward each other. The two displacement blocks 7 drive the first clamping block 10 and the second clamping block 11 on the adjacent sides of the two connecting frames 9 to perform clamping displacement. Then, the first cylinder 12 on the connecting frame 9 is driven to move at the same time. The first cylinder 12 drives the connecting block 13 to move. The connecting block 13 drives the connecting plate 14 to move. The connecting plate 14 drives the third clamping block 15 to clamp and displace, so that the steel pipe on the frame can be placed at the clamping blocks in three directions, and finally is clamped and fixed synchronously by the clamping blocks.

Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims (6)

1. Bicycle frame welding jig, including welding holder (1), its characterized in that: the welding clamping frame (1) is internally provided with a displacement groove (2), the inside of the displacement groove (2) is rotationally connected with a first threaded rod (3), one end of the first threaded rod (3) is fixedly connected with a second threaded rod (4), the front surface of the welding clamping frame (1) is fixedly connected with a fixed block (5), the upper surface of the fixed block (5) is fixedly connected with a first motor (6), the output shaft of the first motor (6) is fixedly connected with one end of the second threaded rod (4), the threads of the first threaded rod (3) and the threads of the second threaded rod (4) are opposite, the outside of the first threaded rod (3) and the second threaded rod (4) are uniformly connected with a displacement block (7), the two displacement blocks (7) are uniformly and slidingly connected in the displacement groove (2), the upper surfaces of the two displacement blocks (7) are uniformly and fixedly connected with a bottom block (8), the upper surfaces of the two bottom blocks (8) are uniformly and fixedly connected with a connecting frame (9), the two connecting frames (9) are uniformly connected with the first clamping block (10) and the two cylinder clamping frames (12) which are fixedly connected with the first clamping frame (12), the adjacent sides of the two connecting blocks (13) are fixedly connected with connecting plates (14), and the opposite sides of the two connecting plates (14) are rotatably connected with third clamping blocks (15).

2. A bicycle frame welding jig according to claim 1, wherein: the lower surfaces of the first clamping block (10), the second clamping block (11) and the third clamping block (15) are fixedly connected with connecting blocks (16).

3. A bicycle frame welding jig according to claim 2, wherein: the multistage telescopic rod (17) is fixedly connected to the similar side of the connecting block (16), and a second motor (18) is arranged at the rotation positions of the first clamping block (10), the second clamping block (11) and the third clamping block (15) at the rear.

4. A bicycle frame welding jig according to claim 1, wherein: the upper surface of welding holder (1) is fixedly connected with horizontal piece (19), fixedly connected with second cylinder (20) on horizontal piece (19).

5. The bicycle frame welding jig of claim 4, wherein: the bottom of second cylinder (20) fixedly connected with compact heap (21), the inside fixedly connected with supporting shoe (22) of welding holder (1).

6. The bicycle frame welding jig of claim 5, wherein: the support block (22) is provided with a pressing groove (23), and a frame locating pin (24) is clamped between the pressing block (21) and the pressing groove (23).