CN211219053U

CN211219053U - Welding jig

Info

Publication number: CN211219053U
Application number: CN201921438292.1U
Authority: CN
Inventors: 霍锦充; 黄灿辉; 陈铸荣
Original assignee: Dongguan Wkk Machinery Co ltd
Current assignee: Dongguan Wkk Machinery Co ltd
Priority date: 2019-08-29
Filing date: 2019-08-29
Publication date: 2020-08-11
Anticipated expiration: 2029-08-29

Abstract

The utility model discloses a welding jig, which comprises a positioning seat with an opening at the upper end, a thimble assembly arranged in the positioning seat and a clamping piece fastened with the positioning seat and used for compressing a circuit board assembly arranged on the upper surface of the thimble assembly; the thimble assembly comprises a thimble mounting plate, a thimble uniformly distributed in a thimble hole of the thimble mounting plate, and a pressure spring which is arranged in the thimble hole and is inconsistent with the lower bottom surface of the thimble. Can will treat that welded circuit board presss from both sides tightly through clamping piece and thimble subassembly, and the commonality is high, can be applicable to the welding of not co-altitude welding device in the circuit board, convenient and practical.

Description

Welding jig

Technical Field

The utility model relates to a control anchor clamps technical field, especially relate to a welding jig.

Background

With the development of science and technology, artificial intelligence is more and more widely applied, and robots replace manual work to become a normal state, particularly in the industries of automobiles, electronics, PCBs, household appliances and the like in the manufacturing industry; in the prior art, in the process of welding the PCB, components are mostly installed on the PCB firstly, and then the components are clamped and welded through a special fixture, because the size of each type of PCB is different from the height of the components to be welded, in actual production, along with the increase of the types of the PCB, the number of the corresponding special fixtures is increased, space occupation is caused, production cost is increased, and the special fixture is dull, so that improvement is needed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a welding jig, this welding jig commonality is high, and convenient and practical can effective reduction in production cost.

To achieve the purpose, the utility model adopts the following technical proposal:

a welding jig comprises a positioning seat, an ejector pin assembly and a clamping element, wherein the upper end of the positioning seat is provided with an opening, the ejector pin assembly is arranged in the positioning seat, and the clamping element is fastened with the positioning seat and used for tightly pressing a circuit board assembly arranged on the upper surface of the ejector pin assembly; the thimble assembly comprises a thimble mounting plate, a thimble uniformly distributed in a thimble hole of the thimble mounting plate, and a pressure spring which is arranged in the thimble hole and is inconsistent with the lower bottom surface of the thimble.

In an initial state, the upper ends of the ejector pins are exposed out of the ejector pin mounting plate, and the ejector pins are arranged on the top surface of the ejector pins in a coplanar mode.

The positioning seat comprises a positioning frame and a bottom plate fastened on the lower bottom surface of the positioning frame.

And mounting platforms extend from two opposite side walls of the positioning frame, and the clamping pieces are fastened on the mounting platforms.

The clamping piece comprises a guide post fastened with the mounting table, a chuck connected with the guide post slide block and a spring sleeved at the upper end of the guide post and abutted against the chuck, and the lower end of the spring is abutted against a flange convexly arranged at the lower end of the peripheral surface of the guide post.

Wherein, the chuck includes the chuck cover, level extend in the cantilever of chuck cover and vertical set up in the cantilever is kept away from the briquetting of bottom surface under the chuck cover one end, the briquetting is located the top of thimble.

The chuck sleeve is sleeved on the guide post and is connected with the guide post in a sliding mode through a limiting screw.

The ejector pin component is formed by combining a plurality of ejector pin component units.

The utility model has the advantages that: the utility model provides a welding jig, which comprises a positioning seat with an opening at the upper end, a thimble assembly arranged in the positioning seat and a clamping piece fastened with the positioning seat and used for compressing a circuit board assembly arranged on the upper surface of the thimble assembly; the thimble assembly comprises a thimble mounting plate, a thimble uniformly distributed in a thimble hole of the thimble mounting plate, and a pressure spring which is arranged in the thimble hole and is inconsistent with the lower bottom surface of the thimble. With this structural design, can will treat that welded circuit board presss from both sides tightly through clamping piece and thimble subassembly, and the commonality is high, can be applicable to the welding of not co-altitude welding device, convenient and practical.

Drawings

Fig. 1 is the utility model relates to a welding jig's axonometric drawing.

FIG. 2 is an exploded view of the spike assembly unit of FIG. 1.

Fig. 3 is an assembly view of the jig of fig. 1.

Figure 4 is an isometric view of the clamp of figure 1.

Detailed Description

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

Referring to fig. 1 to 4, the embodiment provides a welding jig, which includes a positioning seat 1, an ejector pin assembly 2 disposed in the positioning seat 1, and a clamping member 3 fastened to the positioning seat 1 for pressing a circuit board assembly disposed on an upper surface of the ejector pin assembly 2.

Specifically, in the present embodiment, the positioning seat 1 includes a positioning frame 11 and a bottom plate 12 fastened to a lower bottom surface of the positioning frame 11, and the thimble assembly 2 is installed in a receiving cavity formed by the positioning frame 11 and the bottom plate 12. Further, in order to position circuit board assemblies of different types placed on the upper surface of the ejector pin assembly 2, in this embodiment, mounting platforms 111 are extended from two opposite side walls of the positioning frame 11, and the clamping member 3 is fastened to the mounting platforms 111 by screw threads.

More specifically, the clamping member 3 includes a guide post 31 fastened to the mounting platform 111, a collet 32 connected to the guide post 31 by a sliding block, and a spring 33 sleeved on the upper end of the guide post 31 and abutting against the collet 32, the lower end of the spring 33 abuts against a flange 311 circumferentially protruding on the outer peripheral surface of the guide post 31, the collet 32 includes a collet sleeve 321, a cantilever 322 horizontally extending from the collet sleeve 321, and a pressing block 323 vertically disposed on the lower bottom surface of one end of the cantilever 322 far away from the collet sleeve 321, when in operation, the collet 32 is rotated to make the pressing block 323 located above the thimble 212, and the collet sleeve 321 is sleeved on the guide post 31 and slidably connected to the guide post 31 by a limit screw. The attached collet sleeve 321 can slide up and down in the height direction of the guide post 31 and can also rotate around the guide post 31. The circuit to be welded is placed above the ejector pin component 2 and then is pressed downwards with force, the chuck 32 is rotated to the upper side of the circuit board component, then the circuit board component is loosened, at the moment, under the action of the pressure spring 213 at the bottom of the ejector pin 212 and the clamping piece 3, the circuit board component is clamped, welding pieces with different heights abut against corresponding ejector pins, and then the device to be welded can be welded stably and reliably.

In this embodiment, for convenience of processing, the thimble assembly 2 is formed by combining a plurality of thimble assembly units 21, and is further specific, each thimble assembly unit 21 includes a thimble mounting plate 211, thimbles 212 evenly distributed in the thimble holes of the thimble mounting plate 211, and a pressure spring 213 disposed in the thimble holes and abutting against the lower bottom surface of the thimble 212, and in an initial state, the upper ends of the thimbles 212 are exposed in the thimble mounting plate 211, and the top surfaces of the thimbles 212 are arranged in a coplanar manner. Therefore, welding of welding devices with different heights on the circuit board can be conveniently and effectively met.

The technical principle of the present invention is described above with reference to specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without any inventive effort, which would fall within the scope of the present invention.

Claims

1. The utility model provides a welding jig which characterized in that: the clamping piece is fastened with the positioning seat and is used for tightly pressing the circuit board assembly placed on the upper surface of the ejector pin assembly; the thimble assembly comprises a thimble mounting plate, a thimble uniformly distributed in a thimble hole of the thimble mounting plate, and a pressure spring which is arranged in the thimble hole and is inconsistent with the lower bottom surface of the thimble.

2. The welding jig of claim 1, wherein: in an initial state, the upper ends of the ejector pins are exposed out of the ejector pin mounting plate, and the top surfaces of the ejector pins are arranged in a coplanar mode.

3. The welding jig of claim 2, wherein: the positioning seat comprises a positioning frame and a bottom plate fastened on the lower bottom surface of the positioning frame.

4. The welding jig of claim 3, wherein: and mounting platforms extend from two opposite side walls of the positioning frame, and the clamping pieces are fastened on the mounting platforms.

5. The welding jig of claim 4, wherein: the clamping piece comprises a guide post fastened with the mounting table, a chuck connected with the guide post in a sliding mode, and a spring sleeved on the upper end of the guide post and abutted against the chuck, wherein the lower end of the spring is abutted against a flange convexly arranged at the lower end of the peripheral face of the guide post.

6. The welding jig of claim 5, wherein: the chuck includes chuck cover, level extension in the cantilever of chuck cover and vertical set up in the cantilever is kept away from the briquetting of bottom surface under the chuck cover one end, the briquetting is located the top of thimble.

7. The welding jig of claim 6, wherein: the chuck sleeve is sleeved on the guide pillar and is connected with the guide pillar in a sliding mode through a limiting screw.

8. The welding jig of claim 1, wherein: the ejector pin component is formed by combining a plurality of ejector pin component units.