Welding positioning jig

Abstract

According to the welding positioning jig, the fixing base, the installing base and the cover plate are sequentially arranged from bottom to top, the fixing base is installed on a workbench of a laser welding machine, the installing base and the fixing base are placed in a positioning mode, the cover plate covers the installing base in a positioning and inserting mode, and the installing base is provided with a plurality of inwards-concave containing grooves in a rectangular array. The placing groove comprises a main body groove position and an elastic sheet groove position, the elastic sheet groove position is communicated with the main body groove position, the elastic sheet groove position is arranged on one side above the main body groove position, a plurality of welding through holes are formed in the cover plate, the welding through holes are arranged at the joint of the main body groove position and the elastic sheet groove position, and a laser head of a laser welding machine welds the shielding case and the elastic sheet through the welding through holes. The welding positioning jig is easy and convenient to install and use, the welding through hole is formed to expose the welding position, the elastic piece and the shielding cover can be positioned and welded when the welding positioning jig is placed below a laser head, the pressing block is arranged near the welding through hole to press the shielding cover, it is ensured that the shielding cover cannot move during welding, and the welding quality is improved. And the stability of the welding precision and the welding quality is ensured.

Description

Technical Field

[0001] The invention relates to the technical field of welding positioning, in particular to a welding positioning jig. Background Art

[0002] In order to avoid electromagnetic interference between various electrical components, a shielding cover is usually set in a traditional mobile phone to shield and isolate the various electrical components. Therefore, the shielding cover is widely used in electronic equipment to shield the influence of external electromagnetic waves on the internal circuit and the electromagnetic waves generated inside from radiating outward. The currently processed shielding cover needs to be welded with the shrapnel, but the shrapnel is small in size and there is no positioning and clamping tooling, which makes it easy for the shielding cover to shift in position during welding. Therefore, it is necessary to design a corresponding welding positioning fixture for welding. Summary of the invention

[0003] The purpose of the present invention is to provide a welding positioning jig to solve the technical problems in the background technology.

[0004] To achieve the aforementioned purpose, the present invention provides the following technical solutions:

[0005] A welding positioning fixture, the positioning fixture comprises a fixing seat, a mounting seat and a cover plate from bottom to top, the fixing seat is installed on the workbench of a laser welding machine, the mounting seat is positioned and placed with the fixing seat, the cover plate is positioned and plugged and covers the top of the mounting seat, the mounting seat is rectangularly arranged with a plurality of concave placement grooves, the placement grooves include a main body slot and a spring slot, the spring slot is communicated with the main body slot, the spring slot is on one side above the main body slot, a plurality of welding through holes are provided on the cover plate, the welding through holes are at the connection between the main body slot and the spring slot, and the laser head of the laser welding machine welds the shielding cover to the spring via the welding through holes.

[0006] A pressing block is provided below the cover plate and corresponds to the main body slot in the placement slot, and the pressing block presses the shielding cover.

[0007] The fixing seat, the mounting seat and the cover plate are all rectangular structures. The four end corners of the fixing seat are respectively provided with first positioning columns, and the mounting seat is correspondingly provided with first fixing holes that are plugged into the first positioning columns.

[0008] Second positioning columns are respectively arranged at four end corner positions above the mounting seat, and second fixing holes are correspondingly arranged on the cover plate to be plugged into the second positioning columns.

[0009] The left and right sides of the top end surface of the mounting seat are respectively provided with concave mounting grooves, and magnets are placed in the mounting grooves.

[0010] The left and right sides of the mounting seat are provided with handles extending outwards, and the left and right sides of the fixing seat are respectively provided with air avoidance holes corresponding to the positions of the handles.

[0011] Compared with the prior art, the welding positioning fixture of the present application is easy to install and use, and is provided with a welding through hole to expose the welding position. By placing it under the laser head, the spring piece and the shielding cover can be positioned and welded. A pressing block is provided near the welding through hole to press the shielding cover, ensuring that the shielding cover will not be displaced during welding, thereby ensuring the welding accuracy and the stability of the welding quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 : A schematic diagram of the three-dimensional structure of the present application;

[0013] Figure 2 : The decomposition structure diagram of this application;

[0014] Figure 3 : Three-dimensional structure diagram of the mounting base;

[0015] Figure 4 : Bottom structure diagram of the cover. DETAILED DESCRIPTION

[0016] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0017] Specific embodiment 1: Please refer to Figures 1 to 4 In an embodiment of the present invention, a welding positioning fixture is provided. The positioning fixture comprises a fixing seat 1, a mounting seat 2 and a cover plate 3 from bottom to top. The fixing seat 1 is installed on a workbench of a laser welding machine. The mounting seat 2 is positioned and placed with the fixing seat 1. The cover plate 3 is positioned and plugged and covers the mounting seat 2. A plurality of concave placement grooves 201 are arranged in a rectangular shape on the mounting seat 2. The placement grooves 201 include a main body slot 201-1 and a spring slot 201-2. The spring slot 201-2 is connected to the main body slot 201-1. The main body slot 201-1 matches the outer structure of the shielding cover. The spring slot 201-2 is on one side above the main body slot 201-1. A plurality of welding through holes 301 are provided on the cover plate 3. The welding through holes 301 are at the connection between the main body slot 201-1 and the spring slot 201-2, that is, the welding through holes 301 are above the welding position. The laser head of the laser welding machine welds the shielding cover and the spring through the welding through holes 301.

[0018] A pressing block 303 is provided below the cover plate 3 and corresponds to the main body slot 201 - 1 in the placement slot 201 , and the pressing block 303 presses the shielding cover.

[0019] The fixing seat 1, the mounting seat 2 and the cover plate 3 are all rectangular structures. The four corner positions of the fixing seat 1 are respectively provided with first positioning columns 101, and the mounting seat 2 is correspondingly provided with first fixing holes plugged into the first positioning columns 101. The four corner positions above the mounting seat 2 are respectively provided with second positioning columns 203, and the cover plate 3 is correspondingly provided with second fixing holes 302 plugged into the second positioning columns 203. The first positioning columns 101 and the second positioning columns 203 are used to realize the positioning and installation of the fixing seat 1 and the mounting seat 2, and the positioning and installation of the mounting seat 2 and the cover plate 3.

[0020] There are concave mounting grooves on the left and right sides of the top surface of the mounting seat 2, and magnets 204 are placed in the mounting grooves to magnetically mount the cover plate 3 and the mounting seat 2 so that the cover plate 3 can cover the mounting seat 2 firmly.

[0021] There are handles 205 extending outward on the left and right sides of the mounting base 2, and air avoidance holes 102 are respectively provided on the left and right sides of the fixing base 1 corresponding to the positions of the handles 205. The handles 205 are used to facilitate manual picking of the mounting base 2 to the fixing base 1 for positioning and installation.

[0022] In actual installation and use, the fixing seat 1 is fixed under the laser head, the shielding cover and the spring piece are manually placed one by one in the placement groove 201, and then the cover plate 3 is correspondingly covered on the mounting seat 2, and then the entire mounting seat 2 is placed on the fixing seat 1 to carry out laser welding operations.

[0023] Compared with the prior art, the welding positioning fixture of the present application is easy to install and use, and is provided with a welding through hole to expose the welding position. By placing it under the laser head, the spring piece and the shielding cover can be positioned and welded. A pressing block is provided near the welding through hole to press the shielding cover, ensuring that the shielding cover will not be displaced during welding, thereby ensuring the welding accuracy and the stability of the welding quality.

[0024] It will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered in all respects as exemplary and non-restrictive, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

[0025] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A welding positioning fixture, characterized in that: The positioning fixture is composed of a fixing seat, a mounting seat and a cover plate from bottom to top. The fixing seat is installed on the workbench of the laser welding machine. The mounting seat is positioned and placed with the fixing seat. The cover plate is positioned and plugged to cover the top of the mounting seat. The mounting seat is rectangularly arranged with a plurality of concave placement grooves, and the placement grooves include a main body slot and a spring slot. The spring slot is communicated with the main body slot. The spring slot is on one side above the main body slot. The cover plate is provided with a plurality of welding through holes, and the welding through holes are at the connection between the main body slot and the spring slot. The laser head of the laser welding machine welds the shielding cover to the spring via the welding through holes.

2. A welding positioning fixture according to claim 1, characterized in that: A pressing block is provided below the cover plate and corresponds to the main body slot in the placement slot, and the pressing block presses the shielding cover.

3. A welding positioning fixture according to claim 2, characterized in that: The fixing seat, the mounting seat and the cover plate are all rectangular structures. The four end corners of the fixing seat are respectively provided with first positioning columns, and the mounting seat is correspondingly provided with first fixing holes that are plugged into the first positioning columns.

4. A welding positioning fixture according to claim 3, characterized in that: Second positioning columns are respectively arranged at four end corner positions above the mounting seat, and second fixing holes correspondingly arranged on the cover plate are plugged into the second positioning columns.

5. A welding positioning jig according to claim 3, characterized in that: The left and right sides of the top surface of the mounting seat are respectively provided with concave mounting grooves, and magnets are placed in the mounting grooves.

6. A welding positioning fixture according to claim 5, characterized in that: The left and right sides of the mounting seat are provided with handles extending outwards, and the left and right sides of the fixing seat are respectively provided with air avoidance holes corresponding to the positions of the handles.

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