Welding positioning jig
By designing a positioning fixture for PCBA combined welding, the positioning parts are used to ensure the precise positioning of the PCBA motherboard and sub-board, the problems of low combination accuracy and inconvenient manual operation are solved, and the accuracy and efficiency of welding are improved.
Patent Information
- Application Number
- CN202421623693.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-10
- Publication Date
- 2025-05-16
- Estimated Expiration
- 2034-07-10
AI Technical Summary
In the production process of PCBA electronic products, the combination accuracy is not high and manual operation is inconvenient, resulting in inaccurate position during welding.
A welding positioning fixture is designed, including PCBA motherboard, PCBA secondary board, motherboard base, top cover plate and secondary board base. Through the cooperation of the first and second positioning parts, the precise positioning and connection of the PCBA motherboard and secondary board is ensured.
Through this welding positioning fixture, the accuracy and efficiency of PCBA combined welding are improved, the inconvenience of manual operation is reduced, and the accuracy and repeatability of the welding process are ensured.
Smart Images

Figure CN222884897U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of PCBA, in particular to a welding positioning fixture. Background Art
[0002] PCBA refers to a printed circuit board that has been soldered and assembled with electronic components. It is usually composed of a substrate, electronic components, soldering points, etc., and is the core part of various electronic products. PCBA boards are of great significance in modern electronic products. They can realize the connection and transmission of circuits and provide stable power support for electronic devices. PCBA motherboard soldering positioning jigs are tools specifically used to fix and position PCBs during the soldering process. They play a vital role in the electronics manufacturing industry, especially in automated production lines, to ensure the accuracy and repeatability of soldering, and improve production efficiency and product quality.
[0003] In the production of existing PCBA electronic products, there will be a situation where one or several single PCBAs are synthesized into a PCBA assembly. This assembly process often requires manual welding operations to achieve, and during the assembly process, problems such as low assembly accuracy and inconvenient manual operation usually occur.
[0004] In order to solve such problems, a special PCBA combined welding positioning device is designed for different PCBA product types. Utility Model Content
[0005] In order to solve the above technical problems, the technical solution of the utility model is as follows:
[0006] The embodiment of the utility model provides a welding positioning fixture, comprising:
[0007] PCBA mainboard, PCBA sub-board; also includes:
[0008] A PCBA motherboard base, connected to the PCBA motherboard to place the PCBA motherboard;
[0009] A top cover plate connected to the PCBA mainboard base via a first positioning member to limit the position of the PCBA mainboard;
[0010] The PCBA sub-board base is connected to the PCBA main board base via a second positioning member to place the PCBA sub-board.
[0011] Furthermore, the PCBA mainboard base includes:
[0012] A PCBA motherboard base body, connected to the PCBA motherboard;
[0013] A PCBA motherboard slot is provided on the PCBA motherboard base body to clamp the PCBA motherboard;
[0014] A first PCBA component sink is provided on the PCBA mainboard slot;
[0015] The board taking slots are arranged on both sides of the PCBA mainboard slot.
[0016] Furthermore, the top cover plate includes:
[0017] The top cover body is connected to the PCBA mainboard base body via a first hinge and a second hinge;
[0018] A second PCBA component sink is provided on the top cover body;
[0019] A welding window is provided on the top cover body to facilitate welding;
[0020] The top cover plate magnet is arranged on an end of the top cover plate body away from the first hinge and the second hinge.
[0021] Furthermore, the first positioning member includes:
[0022] A cover plate positioning hole is provided on the top cover plate body;
[0023] The second connection hole is formed on the PCBA mainboard base body and corresponds to the cover plate positioning hole.
[0024] Furthermore, the PCBA sub-board base includes:
[0025] The PCBA sub-board base body is placed on the PCBA mainboard base body;
[0026] A PCBA sub-board base slot is provided on the PCBA sub-board base body to place the PCBA sub-board;
[0027] The card connector is arranged on the PCBA sub-board base body.
[0028] Furthermore, the second positioning member includes:
[0029] A sub-board base positioning hole is provided on the PCBA sub-board base body;
[0030] The first connecting hole is formed on the PCBA mainboard base body and corresponds to the auxiliary board base positioning hole.
[0031] Furthermore, the clamping member includes:
[0032] A buckle, one end of which is connected to the PCBA sub-board base body, and the other end of which is connected to the PCBA main board base body.
[0033] The above solution of the utility model includes at least the following beneficial effects:
[0034] The utility model is provided with a first positioning member to accurately connect the PCBA mainboard base and the top cover plate together; at the same time, a second positioning member is provided to connect the PCBA mainboard base and the PCBA sub-board base together; the provided PCBA mainboard base can conveniently connect the PCBA mainboard, the PCBA sub-board and the PCBA sub-board base together. BRIEF DESCRIPTION OF THE DRAWINGS
[0035] Figure 1 It is a structural schematic diagram of the welding positioning fixture of the utility model;
[0036] Figure 2 It is a structural schematic diagram of the top cover plate of the welding positioning fixture of the utility model;
[0037] Figure 3 This is a structural schematic diagram of the PCBA motherboard base of the welding positioning fixture of the utility model;
[0038] Figure 4 It is a structural schematic diagram of a PCBA sub-board base of a welding positioning fixture of the utility model.
[0039] Description of reference numerals:
[0040] 1. Top cover body; 2. PCBA main board base body; 3. PCBA sub-board base body; 4. Top cover magnet; 5. PCBA main board; 6. PCBA sub-board; 7. Buckle; 8. First hinge; 9. Second hinge; 10. PCBA main board slot; 11. PCBA sub-board base slot; 12. First PCBA component sinking groove; 13. Board removal slot; 14. Second PCBA component sinking groove; 15. Welding window; 16. Sub-board base positioning hole; 17. Cover positioning hole; 18. First connecting hole; 19. Second connecting hole. DETAILED DESCRIPTION
[0041] The exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. Although the exemplary embodiments of the present invention are shown in the accompanying drawings, it should be understood that the present invention can be implemented in various forms and should not be limited by the embodiments described herein. On the contrary, these embodiments are provided to enable a more thorough understanding of the present invention and to fully convey the scope of the present invention to those skilled in the art.
[0042] like Figures 1 to 4As shown, an embodiment of the utility model provides a welding positioning fixture, including: a PCBA main board 5, a PCBA sub-board 6; and also includes: a PCBA main board base, connected to the PCBA main board 5 to place the PCBA main board 5; a top cover, connected to the PCBA main board base via a first positioning member to limit the position of the PCBA main board 5; a PCBA sub-board base, connected to the PCBA main board base via a second positioning member to place the PCBA sub-board 6.
[0043] In the embodiment of the utility model, the PCBA mainboard base and the top cover are precisely connected together by providing a first positioning member; at the same time, a second positioning member is provided to connect the PCBA mainboard base and the PCBA sub-board base together; the provided PCBA mainboard base can conveniently connect the PCBA mainboard 5, the PCBA sub-board 6 and the PCBA sub-board base together.
[0044] like Figures 1 to 4 As shown, the PCBA motherboard base includes: a PCBA motherboard base body 2, connected to the PCBA motherboard 5; a PCBA motherboard slot 10, opened on the PCBA motherboard base body 2, to clamp the PCBA motherboard 5; a first PCBA component sink 12, opened on the PCBA motherboard slot 10; and a board removal slot 13, which is arranged on both sides of the PCBA motherboard slot 10.
[0045] In the embodiment of the utility model, a PCBA motherboard slot 10 is provided for placing the PCBA motherboard 5, thereby determining the position of the PCBA motherboard 5; a first PCBA device sink 12 is provided so that the electrical components on the PCBA motherboard 5 can be placed just in the first PCBA device sink 12, thereby ensuring that the PCBA motherboard 5 is placed more stably; and board removal slots 13 are provided on both sides of the PCBA motherboard slot 10 to facilitate the staff to take the PCBA motherboard 5.
[0046] like Figures 1 to 4 As shown, the top cover includes: a top cover body 1, connected to the PCBA mainboard base body 2 via a first hinge 8 and a second hinge 9; a second PCBA device sink 14, arranged on the top cover body 1; a welding window 15, arranged on the top cover body 1 to facilitate welding; a top cover magnet 4, arranged on one end of the top cover body 1 away from the first hinge 8 and the second hinge 9.
[0047] In the embodiment of the utility model, the PCBA mainboard 5 is placed on the PCBA mainboard base, so that the PCBA mainboard 5 fits into the first PCBA device sink 12 to ensure that the PCBA mainboard 5 is placed horizontally as a whole; when the top cover body 1 is covered on the PCBA mainboard 5, the second PCBA device sink 14 is clamped on the electrical components on the upper surface of the PCBA mainboard 5; a welding window 15 is provided on the top cover body 1, and the welding window 15 is hollow, which is convenient for welding the welding points of the PCBA mainboard 5 and the PCBA sub-board 6.
[0048] Among them, the PCBA main board 5 is placed on the PCBA main board base, so that the PCBA main board 5 fits into the first PCBA device sink 12 to ensure that the PCBA main board 5 is placed horizontally as a whole; when the top cover body 1 is covered on the PCBA main board 5, the second PCBA device sink 14 is clamped on the electrical components on the upper surface of the PCBA main board 5, all of which are to ensure that the PCBA main board 5 is in a specified position, thereby avoiding inaccurate position during welding.
[0049] like Figures 1 to 4 As shown, the first positioning member includes: a cover plate positioning hole 17, which is opened on the top cover plate body 1; and a second connecting hole 19, which is opened on the PCBA motherboard base body 2 and corresponds to the cover plate positioning hole 17.
[0050] In the embodiment of the utility model, when the top cover body 1 and the PCBA mainboard base body 2 are connected, that is, when the first hinge 8 and the second hinge 9 are fixed by the fixing member, by observing the position of the cover positioning hole 17 and the second connecting hole 19, the cover positioning hole 17 and the second connecting hole 19 are overlapped together, and the first hinge 8 and the second hinge 9 are respectively welded to the top cover body 1 and the PCBA mainboard base body 2, so that the top cover body 1 and the PCBA mainboard base body 2 can rotate relative to the first hinge 8 and the second hinge 9.
[0051] like Figures 1 to 4 As shown, the PCBA sub-board base includes: a PCBA sub-board base body 3, which is placed on the PCBA main board base body 2; a PCBA sub-board base slot 11, which is opened on the PCBA sub-board base body 3 to place the PCBA sub-board 6; and a card connector, which is arranged on the PCBA sub-board base body 3.
[0052] In the embodiment of the utility model, the PCBA sub-board base body 3 is placed on the PCBA main board base body 2, and the position of the PCBA sub-board base body 3 on the PCBA main board base body 2 is limited by the clamping piece. A PCBA sub-board base clamping slot 11 is provided to place the PCBA sub-board 6 to determine the position of the PCBA sub-board 6. At this time, the PCBA sub-board 6 and the PCBA main board 5 are connected together, and the welding line is just under the welding window 15.
[0053] like Figures 1 to 4 As shown, the second positioning member includes: a sub-board base positioning hole 16, which is opened on the PCBA sub-board base body 3; and a first connecting hole 18, which is opened on the PCBA main board base body 2 and corresponds to the sub-board base positioning hole 16.
[0054] In the embodiment of the utility model, when connecting the PCBA sub-board base body 3 and the PCBA main board base body 2, by observing the positions of the sub-board base positioning hole 16 and the second connecting hole 19, the sub-board base positioning hole 16 and the second connecting hole 19 are overlapped. At this time, the position of the PCBA sub-board base body 3 on the PCBA main board base body 2 is limited by the clamping part to avoid the PCBA sub-board base body 3 moving during welding, driving the PCBA sub-board 6 to move, resulting in inaccurate welding.
[0055] like Figures 1 to 4 As shown, the clamping member includes: a buckle 7, one end of which is connected to the PCBA sub-board base body 3, and the other end is connected to the PCBA main board base body 2.
[0056] In the embodiment of the utility model, one end of a buckle 7 is rotatably connected to the PCBA main board base body 2, and the other end is rotated to the PCBA sub-board base body 3 when needed, and the PCBA sub-board base body 3 is limited by pressing the PCBA sub-board base body 3 downward; wherein, four groups of buckles 7 are provided at the four corners of the PCBA main board base body 2 to ensure that the position of the PCBA sub-board base body 3 remains unchanged during welding.
[0057] Working principle: First, by observing the positions of the cover plate positioning hole 17 and the second connecting hole 19, the cover plate positioning hole 17 and the second connecting hole 19 are overlapped together, and the first hinge 8 and the second hinge 9 are respectively welded to the top cover plate body 1 and the PCBA mainboard base body 2, so that the top cover plate body 1 and the PCBA mainboard base body 2 can rotate relative to each other about the first hinge 8 and the second hinge 9; then the PCBA mainboard 5 is placed on the PCBA mainboard base, so that the PCBA mainboard 5 fits in the first PCBA device sink 12 to ensure that the PCBA mainboard 5 is placed horizontally as a whole; when the top cover plate body 1 is rotated to cover the PCBA mainboard 5, the second PCBA device sink 14 is clamped on the electrical components on the upper surface of the PCBA mainboard 5; thereby ensuring that the PCBA mainboard 5 is in the specified position; at this time, by observing the positions of the sub-board base positioning hole 16 and the second connecting hole 19 The sub-board base positioning hole 16 and the second connection hole 19 are arranged so that the sub-board base positioning hole 16 and the second connection hole 19 overlap each other, and the position of the PCBA sub-board base body 3 on the PCBA main board base body 2 is limited by the buckle 7 to prevent the PCBA sub-board base body 3 from moving and driving the PCBA sub-board 6 to move during welding, so as to prevent inaccurate welding; then the PCBA sub-board 6 is placed in the PCBA sub-board base card slot 11 to determine the position of the PCBA sub-board 6; at this time, the PCBA sub-board 6 and the PCBA main board 5 are connected together, and the welding line is just under the welding window 15; by providing a welding window 15 on the top cover body 1, the welding window 15 is hollow, which is convenient for welding the welding points of the PCBA main board 5 and the PCBA sub-board 6; after the welding is completed, the top cover body 1 is opened, and the buckle 7 is unlocked, so that the PCBA combined welding finished product can be removed from the fixture, and the welding operation of the next PCBA product can be carried out.
[0058] The above is a preferred embodiment of the present invention. It should be pointed out that, for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principles of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.
Claims
1. A welding positioning fixture, comprising: PCBA main board (5), PCBA sub-board (6); characterized in that it also includes: A PCBA motherboard base, connected to the PCBA motherboard (5) to place the PCBA motherboard (5); A top cover plate connected to the PCBA mainboard base via a first positioning member to limit the position of the PCBA mainboard (5); The PCBA sub-board base is connected to the PCBA main board base via a second positioning piece to place the PCBA sub-board (6).
2. The welding positioning fixture according to claim 1, characterized in that: The PCBA motherboard base includes: A PCBA motherboard base body (2) connected to the PCBA motherboard (5); A PCBA motherboard slot (10) is provided on the PCBA motherboard base body (2) for clamping the PCBA motherboard (5); A first PCBA component sink (12) is provided on the PCBA mainboard slot (10); The board taking slots (13) are arranged on both sides of the PCBA mainboard slot (10).
3. The welding positioning fixture according to claim 2, characterized in that: The top cover plate comprises: The top cover body (1) is connected to the PCBA mainboard base body (2) via a first hinge (8) and a second hinge (9); A second PCBA component sink (14) is arranged on the top cover body (1); A welding window (15) is provided on the top cover body (1) to facilitate welding; The top cover plate magnet (4) is arranged on an end of the top cover plate body (1) away from the first hinge (8) and the second hinge (9).
4. The welding positioning fixture according to claim 3, characterized in that: The first positioning member comprises: A cover plate positioning hole (17) is formed on the top cover plate body (1); The second connection hole (19) is formed on the PCBA mainboard base body (2) and corresponds to the cover plate positioning hole (17).
5. The welding positioning fixture according to claim 4, characterized in that: The PCBA sub-board base comprises: A PCBA sub-board base body (3) is placed on the PCBA mainboard base body (2); A PCBA sub-board base slot (11) is provided on the PCBA sub-board base body (3) for placing the PCBA sub-board (6); The clamping part is arranged on the PCBA sub-board base body (3).
6. The welding positioning fixture according to claim 5, characterized in that: The second positioning member comprises: A sub-board base positioning hole (16) is provided on the PCBA sub-board base body (3); A first connection hole (18) is provided on the PCBA mainboard base body (2) and corresponds to the auxiliary board base positioning hole (16).
7. The welding positioning fixture according to claim 6, characterized in that: The card connector comprises: A buckle (7) has one end connected to the PCBA sub-board base body (3) and the other end connected to the PCBA main board base body (2).