CN219379517U - Welding fixture - Google Patents

Abstract

The utility model relates to the technical field of automobile part machining, in particular to a welding fixture, which comprises a bottom plate, wherein a motor is fixedly arranged in the bottom plate, the output end of the motor is fixedly connected with a ball screw, a nut is arranged on the ball screw in a matched manner, a chute is formed in the bottom plate, a sliding block fixedly connected with the nut is arranged in the chute, a fixing seat is fixedly connected with the sliding block, a fixing mechanism for clamping and fixing automobile parts is arranged in the fixing seat, the nut is driven by the ball screw to horizontally move, the nut drives the fixing seat to horizontally adjust according to the size of the automobile parts through the sliding block, the opposite poles of a first electromagnet and a second electromagnet are attracted, the second electromagnet drives a first guide block to horizontally move inwards, a driving rod is contracted inwards, and a limiting block is driven by a traction rod to vertically move in the limiting groove, so that the automobile parts are clamped and fixed, and the stability of the automobile parts is improved.

Description

Welding fixture

Technical Field

The utility model relates to the technical field of automobile part machining, in particular to a welding fixture.

Background

The automobile parts are all units forming the whole automobile part processing and serve for the automobile part processing, and serve as the basis of the automobile industry and are necessary factors for supporting the continuous healthy development of the automobile industry. Particularly, the automobile industry is bombing and developing autonomous development and innovation, and a strong part system is needed to support.

An adjustable automobile parts welds dress anchor clamps that chinese publication No. CN216730184U provided, uses in the field of mechanical clamp, has solved the not good technical problem of current anchor clamps centre gripping stability, and its technical scheme main points are including the anchor clamps base, characterized by: the clamp comprises a clamp base, and is characterized in that a pair of clamp blocks are arranged on the clamp base, each clamp block comprises a base plate and a clamp plate, the clamp plates are movably connected with the base plate, a rotating ball block is arranged in the middle of the base plate, a rotating ball groove connected with the rotating ball block in a rotating mode is formed in the clamp plates, a plurality of positioning telescopic blocks are arranged on the side walls of the base plate along the circumferential direction of the side walls of the base plate, one ends of the positioning telescopic blocks are abutted against the side walls of the clamp plates, one side, away from the base plate, of the clamp plates is movably connected with an adjusting clamping piece, and the adjusting clamping piece comprises an angle adjusting block connected with the clamp plates in a rotating mode, and a clamping cylinder for clamping the clamping jaw blocks and driving the clamping jaw blocks is arranged on the angle adjusting block, so that the clamping process of the clamp is stable and reliable. According to the technical scheme, 6 air cylinders are used as the driving source, the driving source is complicated and tedious, and the production cost of the welding fixture is increased.

Disclosure of Invention

The utility model aims to solve the problems that a driving source is too complex and tedious in the prior art and the production cost of a welding fixture is increased.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a welding fixture, includes the bottom plate, fixed mounting has the motor in the bottom plate, motor output fixedly connected with ball, supporting install the nut on the ball, the spout has been seted up on the bottom plate, be provided with in the spout with nut fixed connection's slider, fixedly connected with fixing base on the slider, be provided with the fixed establishment who is used for carrying out centre gripping fixed to automobile parts in the fixing base.

Preferably, the ball screw is horizontally rotatably installed in the bottom plate through a bearing, and the sliding block is horizontally sleeved in the sliding groove in a sliding manner.

Preferably, the fixed establishment is including setting up the chamber of accomodating and the activity chamber in the fixing base, accomodate fixedly in the chamber and be provided with first electro-magnet, accomodate the guide way on the intracavity wall, be provided with first guide block and the spring of looks welded in the guide way, fixedly connected with and the second electro-magnet that first electro-magnet is heteropolar to inhale on the first guide block, fixedly connected with actuating lever on the second electro-magnet, the spacing groove has been seted up on the fixing base, be provided with the stopper in the spacing groove, be connected with the traction lever between actuating lever and the stopper.

Preferably, the guide groove is horizontally arranged on the inner wall of the storage cavity, the first guide block is horizontally sleeved in the guide groove in a sliding mode, and the spring is horizontally welded at the position of the inner end of the guide groove.

Preferably, the driving rod can horizontally extend into the movable cavity, and the limiting block is longitudinally sleeved in the limiting groove in a sliding manner.

Preferably, the two ends of the traction rod are respectively connected to the driving rod and the limiting block through pin shafts, and the fixing seat is provided with a guide through hole for movably sleeving the traction rod.

Compared with the prior art, the utility model has the following advantages:

1. according to the utility model, the nut is driven to horizontally move through the ball screw, and the nut drives the fixing seat through the sliding block to horizontally adjust according to the size of the automobile part, so that the flexibility of the device is improved.

2. According to the utility model, the first electromagnet and the second electromagnet attract each other at different poles, the second electromagnet drives the first guide block to horizontally move inwards, the driving rod is contracted inwards, and the traction rod drives the limiting block to vertically move in the limiting groove, so that the automobile parts are clamped and fixed, and the stability of the automobile parts is improved.

Drawings

FIG. 1 is a schematic structural view of a welding fixture according to the present utility model;

FIG. 2 is a schematic diagram of a connection structure of a base plate, a fixing seat and a sliding block of a welding fixture according to the present utility model;

fig. 3 is an enlarged schematic view of a partial structure of a welding fixture according to the present utility model.

In the figure: 1. a bottom plate; 2. a motor; 3. a ball screw; 4. a nut; 5. a chute; 6. a slide block; 7. a fixing seat; 8. a storage chamber; 9. a movable cavity; 10. a first electromagnet; 11. a guide groove; 12. a first guide block; 13. a spring; 14. a second electromagnet; 15. a driving rod; 16. a limit groove; 17. a limiting block; 18. a traction rod.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-3, a welding fixture comprises a bottom plate 1, and the technical scheme only uses one motor 2 and two groups of electromagnets, thereby being beneficial to reducing the production cost of the welding fixture;

the motor 2 is fixedly installed in the bottom plate 1, the model of the motor 2 is MR-J2S-200B, the output end of the motor 2 is fixedly connected with the ball screw 3, the ball screw 3 is horizontally rotatably installed in the bottom plate 1 through a bearing, a nut 4 is arranged on the ball screw 3 in a matching way, a chute 5 is formed in the bottom plate 1, a sliding block 6 fixedly connected with the nut 4 is sleeved in the chute 5 in a horizontal sliding way, a fixed seat 7 is fixedly connected on the sliding block 6, and the sliding block 6 is driven to drive the fixed seat 7 to carry out horizontal position adjustment through the cooperation of the ball screw 3 and the nut 4, so that the device can fix and limit automobile parts with different lengths;

the fixing seat 7 is internally provided with a fixing mechanism for clamping and fixing automobile parts, and the automobile parts are fixedly clamped through the fixing mechanism, so that the stability of the automobile parts is improved;

further description: the fixing mechanism comprises a storage cavity 8 and a movable cavity 9 which are arranged in the fixing seat 7, a first electromagnet 10 is fixedly arranged in the storage cavity 8, a guide groove 11 is horizontally formed in the inner wall of the storage cavity 8, a first guide block 12 and a spring 13 which are welded with each other are arranged in the guide groove 11, the first guide block 12 is horizontally sleeved in the guide groove 11 in a sliding mode, the spring 13 is horizontally welded at the inner end position of the guide groove 11, a second electromagnet 14 attracted with the opposite pole of the first electromagnet 10 is fixedly connected to the first guide block 12, and the second electromagnet 14 can be reset under the action of elasticity of the spring 13 when the second electromagnet 14 is not influenced by the first electromagnet 10;

the second electromagnet 14 is fixedly connected with a driving rod 15, the driving rod 15 can horizontally extend into the movable cavity 9, a limiting groove 16 is formed in the fixed seat 7, a limiting block 17 is longitudinally sleeved in the limiting groove 16 in a sliding mode, a traction rod 18 is connected between the driving rod 15 and the limiting block 17 through a pin shaft, a guide through hole for movably sleeved with the traction rod 18 is formed in the fixed seat 7, and a movable space can be provided for the movement process of the traction rod 18 through the guide through hole.

The utility model can explain its functional principle by the following modes of operation:

the starting motor 2 drives the ball screw 3 to rotate, the ball screw 3 drives the nut 4 to horizontally move, the nut 4 drives the slide block 6 to horizontally move in the chute 5, and the slide block 6 drives the fixed seat 7 to horizontally adjust according to the size of automobile parts;

the first electromagnet 10 and the second electromagnet 14 are started, the second electromagnet 14 is far away, the first guide block 12 is driven to horizontally move inwards in the guide groove 11, the spring 13 is stretched, the driving rod 15 is contracted inwards, the traction rod 18 is driven to deflect, and the traction rod 18 drives the limiting block 17 to vertically move in the limiting groove 16, so that the automobile parts are clamped and fixed.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims (6)

1. The utility model provides a welding fixture, includes bottom plate (1), its characterized in that, fixed mounting has motor (2) in bottom plate (1), motor (2) output fixedly connected with ball (3), supporting install nut (4) on ball (3), spout (5) have been seted up on bottom plate (1), be provided with in spout (5) slider (6) with nut (4) fixed connection, fixedly connected with fixing base (7) on slider (6), be provided with the fixed establishment who is used for carrying out the centre gripping fixed to automobile parts in fixing base (7).

2. The welding fixture according to claim 1, wherein the ball screw (3) is horizontally rotatably mounted in the bottom plate (1) through a bearing, and the sliding block (6) is horizontally slidably sleeved in the sliding groove (5).

3. The welding fixture according to claim 1, characterized in that the fixing mechanism comprises a storage cavity (8) and a movable cavity (9) which are formed in the fixing seat (7), a first electromagnet (10) is fixedly arranged in the storage cavity (8), a guide groove (11) is formed in the inner wall of the storage cavity (8), a first guide block (12) and a spring (13) which are welded are arranged in the guide groove (11), a second electromagnet (14) which is attracted to the first electromagnet (10) in a different pole is fixedly connected to the first guide block (12), a driving rod (15) is fixedly connected to the second electromagnet (14), a limit groove (16) is formed in the fixing seat (7), a limit block (17) is arranged in the limit groove (16), and a traction rod (18) is connected between the driving rod (15) and the limit block (17).

4. A welding fixture according to claim 3, wherein the guide groove (11) is horizontally arranged on the inner wall of the accommodating cavity (8), the first guide block (12) is horizontally sleeved in the guide groove (11) in a sliding manner, and the spring (13) is horizontally welded at the inner end position of the guide groove (11).

5. A welding fixture according to claim 3, characterized in that the driving rod (15) can extend horizontally into the movable cavity (9), and the limiting block (17) is longitudinally slidably sleeved in the limiting groove (16).

6. The welding fixture according to claim 5, wherein two ends of the traction rod (18) are respectively connected to the driving rod (15) and the limiting block (17) through pin shafts, and the fixing seat (7) is provided with a guide through hole for movably sleeving the traction rod (18).