CN215966840U

CN215966840U - Automatic transposition welding fixture for resistance welding

Info

Publication number: CN215966840U
Application number: CN202122057618.XU
Authority: CN
Inventors: 刘大海
Original assignee: Suzhou Vanroad Automotive Co ltd
Current assignee: Suzhou Vanroad Automotive Co ltd
Priority date: 2021-08-30
Filing date: 2021-08-30
Publication date: 2022-03-08
Anticipated expiration: 2031-08-30

Abstract

The utility model discloses an automatic transposition welding fixture for resistance welding, which comprises a triaxial sliding assembly and a positioning fixture for a steam accessory support, wherein the triaxial sliding assembly comprises an X-axis transposition assembly, a Y-axis extension assembly and a Z-axis lifting assembly, the X-axis transposition assembly comprises a sliding seat, a sliding block sliding rail assembly and a transposition air cylinder, the Y-axis extension assembly comprises a telescopic air cylinder, a telescopic plate and limiting strips fixedly connected to two sides of the transposition plate, the Z-axis lifting assembly comprises a lifting air cylinder and a lifting plate, the upper end of the lifting plate is fixedly connected with the positioning fixture for the steam accessory support, the transposition air cylinder can slide according to the accurate size aiming at a left nut and a right nut, the telescopic air cylinder forwards jacks the steam accessory positioning fixture to a welding table for resistance welding, the lifting air cylinder drives the steam accessory positioning fixture to fall down to be positioned and placed on the welding table, resistance welding operation is implemented, after one nut welding operation is completed, the position is changed to the other nut position to implement welding again, the welding leakage can not occur, and the welding position of the nut is accurate in size, practical and convenient.

Description

Automatic transposition welding fixture for resistance welding

Technical Field

The utility model relates to the technical field of clamp tools, in particular to an automatic transposition welding clamp for resistance welding.

Background

With the rapid development of the automobile industry, China is one of the countries with more automobile reserves, the attention degree of the technical level of the automobile industry is gradually improved in recent years, a plurality of automobile accessories do not depend on import any more, a plurality of domestic independent brands of automobiles are also produced by transportation, the development is vigorous, the process technology of the automobile accessories is continuously improved, the existing automobile accessory bracket is used for connecting parts in an automobile engine case, two nuts are required to be arranged on the same side, in the traditional production technology, after welding is completed, a product is manually moved to the position of another nut for welding, the defect is that welding is easy to leak, the welding precision size is difficult to control accurately, and therefore auxiliary equipment which is convenient to replace, convenient to weld and free of welding leakage is required to be designed.

SUMMERY OF THE UTILITY MODEL

The purpose of the utility model is as follows: in view of the technical requirements in the background art, an automatic transposition welding fixture for resistance welding is designed, X, Y, Z sliding components with adjustable three-axis directions are adopted to drive a steam accessory positioning fixture to realize directional sliding, wherein a transposition cylinder in the X-axis direction can slide according to the accurate size for a left nut and a right nut, a telescopic cylinder in the Y-axis direction enables the steam accessory positioning fixture to be pushed forwards to a welding table of the resistance welding, then a Z-axis lifting cylinder drives the steam accessory positioning fixture to fall down and be positioned on the welding table, resistance welding operation is carried out, after one nut welding operation is completed, the lifting cylinder is lifted first, the transposition cylinder quickly completes one action, the position is changed to the position of the other nut to carry out welding again, welding leakage cannot occur, the size of the nut welding position is accurate, and the fixture is practical and convenient.

The technical scheme adopted for solving the problems is as follows:

an automatic transposition welding fixture for resistance welding comprises a three-shaft sliding assembly fixed on a workbench and a positioning fixture of a steam accessory support.

The three-shaft sliding assembly comprises an X-shaft transposition assembly, a Y-shaft telescopic assembly and a Z-shaft lifting assembly, the X-shaft transposition assembly comprises a sliding seat, a sliding block sliding rail assembly and a transposition air cylinder, a transposition plate is fixedly connected onto the sliding block, the Y-shaft telescopic assembly is fixedly connected onto the transposition plate and comprises a telescopic air cylinder and a telescopic plate which are vertically arranged with the transposition air cylinder and limiting strips fixedly connected to two sides of the transposition plate, two sides of the telescopic plate are limited on the upper end surface of the transposition plate by the limiting strips and form a T-shaped sliding block sliding rail structure, the telescopic plate can slide back and forth under the driving of the telescopic air cylinder, the Z-shaft lifting assembly is fixedly connected to the lower part of the front end of the telescopic plate and comprises a lifting air cylinder and a lifting plate which are vertically arranged, and the upper end of the lifting plate is fixedly connected with a positioning clamp of a steam part support,

the positioning fixture is fixed with the lifting plate through a manual clamp and comprises a positioning plate, clamping blocks, positioning pins and a position sensor, the positioning plate is arranged perpendicular to the lifting plate, the clamping blocks are hinged to the middle of the front end face of the positioning plate and apply torsion through torsional springs, the clamping blocks are pressed on the front end face of the positioning plate, the positioning pins are fixed on two sides of the upper end of the positioning plate and are arranged aiming at the positions of positioning holes arranged on two sides of a steam part support to be welded, and the position sensor is arranged corresponding to the position of a welding nut to be welded on the front end face of a steam part.

Furthermore, the slide rail is fixed at the upper end of the sliding seat and can slide left and right after being matched with the slide block, and one end of the slide block is fixedly connected with the ejector rod of the transposition air cylinder.

Furthermore, telescopic cylinder fixes in the plate rear end that trades, the expansion plate middle part is provided with the U-shaped groove of dodging with telescopic cylinder, the expansion plate up end is provided with the connecting block of being connected with telescopic cylinder's ejector pin.

Furthermore, the upper end of the clamping block is provided with a buckle protruding backwards, so that the upper end face of the automobile accessory support is clamped and pressed on the upper end face of the positioning plate.

The utility model has the beneficial effects that:

this resistance welding automatic transposition welding jig adopts X, Y, Z triaxial direction adjustable subassembly that slides to drive auto parts positioning fixture and realizes directional sliding, wherein the transposition cylinder of X axle direction can slide according to accurate size to two nuts about, the telescopic cylinder of Y axle direction pushes up auto parts positioning fixture to resistance welding's welding bench forward, drive auto parts positioning fixture whereabouts location by Z axle lift cylinder again and place on the welding bench, and implement resistance welding operation, accomplish a nut welding operation back, the lift cylinder lifts earlier, accomplish an action fast by the transposition cylinder, change another nut position and implement the welding once more, can not appear leaking and weld, nut welding position size is accurate, and is practical convenient.

Drawings

FIG. 1 is a perspective view of an automatic transposition welding fixture for resistance welding and a resistance welding device according to the present embodiment;

FIG. 2 is a perspective view of an automatic transposition welding jig for resistance welding according to the present embodiment;

FIG. 3 is a front side plan view of the triaxial slip assembly according to the present embodiment;

FIG. 4 is a rear side plan view of the triaxial slip assembly according to the present embodiment;

FIG. 5 is a perspective view of the positioning jig of the present embodiment;

FIG. 6 is a perspective view of the vehicle accessory holder according to the present embodiment;

the welding device comprises a welding head 1, a positioning clamp 2, a sliding seat 3, a PLC control box 4, a telescopic cylinder 5, a telescopic plate 6, a steam accessory support 7, a lifting plate 8, a lifting cylinder 9, a transposition cylinder 10, a transposition plate 11, a manual clamp 12, a positioning plate 13, a sliding block 14, a limiting strip 15, a positioning pin 16, a clamping block 17, a position sensor 19, a nut 20 and a welding position 21.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Referring to fig. 1-6, the present embodiment provides an automatic transposition welding fixture for resistance welding, which includes a positioning fixture 2 fixed on a three-axis sliding assembly on a workbench and a steam accessory support 7.

In particular to a three-axis sliding component which comprises an X-axis transposition component, a Y-axis telescopic component and a Z-axis lifting component, the X-axis transposition assembly comprises a sliding seat 3, a sliding block 14, a sliding rail assembly and a transposition air cylinder 10, the slide block 14 is fixedly connected with a position changing plate 11, the position changing plate 11 is fixedly connected with a Y-axis telescopic component, the Y-axis telescopic component comprises a telescopic cylinder 5 and a telescopic plate 6 which are vertically arranged with the transposition cylinder 10, and limiting strips 15 which are fixedly connected with two sides of the transposition plate 11, the two sides of the expansion plate 6 are limited on the upper end surface of the transposition plate 11 by the limiting strips 15 to form a T-shaped sliding block 14 sliding rail structure, driven by a telescopic cylinder 5, a telescopic plate 6 slides back and forth in a telescopic way, the lower part of the front end of the telescopic plate is fixedly connected with a Z-axis lifting component, z axle lifting unit includes vertical lift cylinder 9, the lifter plate 8 of arranging, the positioning fixture 2 of auto-parts support 7 is linked firmly on the lifter plate 8 upper end.

The positioning fixture 2 is fixed with the lifting plate 8 through a manual clamp 12 and comprises a positioning plate 13, a clamping block 17, a positioning pin 16 and a position sensor 19, the positioning plate 13 is perpendicular to the lifting plate 8, the clamping block 17 is hinged to the middle of the front end face of the positioning plate 13 and applies torsion through a torsion spring to press the clamping block 17 on the front end face of the positioning plate 13, the positioning pin 16 is fixed on two sides of the upper end of the positioning plate 13 and is arranged aiming at the positions of positioning holes arranged on two sides of a steam accessory support 7 to be welded, and the position sensor is arranged corresponding to the position of a nut 20 to be welded on the front end face of the steam accessory.

The further embodiment is that the slide rail is fixed at the upper end of the sliding seat 3 and can slide left and right after being matched with the slide block 14, and one end of the slide block 14 is fixedly connected with the ejector rod of the transposition air cylinder 10.

The further embodiment is that telescopic cylinder 5 is fixed at the rear end of transposition board 11, the middle part of 6 telescopic plates is provided with the U-shaped groove of dodging with telescopic cylinder 5, the up end of 6 telescopic plates is provided with the connecting block of being connected with telescopic cylinder 5's ejector pin.

In a further embodiment, the upper end of the clamping block 17 is provided with a fastener protruding backwards to clamp the upper end surface of the auto parts bracket 7 and press the upper end surface of the positioning plate 13.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes, modifications, substitutions and alterations can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art, the scope of the present invention being defined by the appended claims and their equivalents.

Claims

1. The utility model provides a resistance welds automatic transposition welding jig, slides the positioning fixture of subassembly and auto parts support including fixing the triaxial on the workstation, its characterized in that:

2. A resistance welding automatic transposition welding jig according to claim 1, characterized in that: the slide rail is fixed on the upper end of the sliding seat and can slide left and right after being matched with the slide block, and one end of the slide block is fixedly connected with the ejector rod of the transposition air cylinder.

3. A resistance welding automatic transposition welding jig according to claim 1, characterized in that: the telescopic cylinder is fixed at the rear end of the transposition plate, a U-shaped groove which is avoided by the telescopic cylinder is formed in the middle of the telescopic plate, and a connecting block connected with an ejector rod of the telescopic cylinder is arranged on the upper end face of the telescopic plate.

4. A resistance welding automatic transposition welding jig according to claim 1, characterized in that: the upper end of the clamping block is provided with a fastener protruding backwards, so that the upper end face of the automobile accessory support is clamped and pressed on the upper end face of the positioning plate.