Welding tool for air bag box
By designing welding tooling for airbag boxes, using the combination of positioning devices and tooling bodies, the problem of inconsistent welding quality caused by inaccurate manual alignment is solved, and the welding accuracy and efficiency are improved.
Patent Information
- Application Number
- CN202421800937.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-29
- Publication Date
- 2025-05-27
- Estimated Expiration
- 2034-07-29
AI Technical Summary
During the welding process of the airbag box, due to inaccurate manual alignment, the welded joints deviate from the design position, resulting in inconsistent welding quality, affecting the safety performance of the airbag box.
A welding tool for airbag box is designed, including a tool body and a positioning device, and through components such as a second limiting block, an elastic reset member, a first movable hand rod and a limiting frame, the relative position between the bracket and the airbag box is ensured to be accurate.
It improves welding accuracy, ensures the quality and stability of the welded joints, simplifies the preparation work before welding, reduces the time and energy of manual adjustment, and improves work efficiency.
Smart Images
Figure CN222902881U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of automobile parts, in particular to a welding tool for an air bag box. Background Art
[0002] A car's airbag box is a device specifically designed to store and protect the car's airbags.
[0003] In the production process of airbag boxes, resistance welding is a common welding process used to connect and fix the various parts of the airbag. At present, manual alignment welding usually relies on human experience. During manual alignment welding, due to the limitations of human vision and slight jitters during operation, it is difficult to ensure that the relative position between the bracket and the airbag box body is completely accurate. This position deviation may cause the weld joint to deviate from the designed position. Manual alignment welding requires repeated adjustment of the bracket position until a satisfactory alignment effect is achieved. This process is time-consuming. In the automotive manufacturing industry, the production of airbag boxes usually needs to meet the requirements of large quantities and high efficiency. There are differences in the operating habits, experience and skill levels of different workers. This will result in inconsistent welding quality even when welding the same batch of brackets. The unstable welding quality may cause the airbag box to fail to effectively protect the safety of drivers and passengers at critical moments. Utility Model Content
[0004] In view of the problems existing in the above-mentioned prior art, the utility model provides a welding tool for an airbag box, which can effectively solve the problems existing in the above-mentioned prior art.
[0005] The technical solution of the utility model is:
[0006] According to one aspect of the utility model, it includes: a tool body and at least one positioning device, the positioning device includes a second limit block, a bracket is fixed to the tool body, the second limit block is movably inserted into the tool body toward the open end of the bracket, and an elastic reset member is installed between the second limit block and the tool body, and the second limit block is extended toward the bracket to be provided with a limit plate, when the bracket is fixed to the tool body, the lower end surface of the limit plate abuts against the bracket; the positioning device also includes a first movable hand lever, the first movable hand lever is used to drive the second limit block to move and abut against the second limit block;
[0007] The positioning device also includes a limit frame, which is embedded in the airbag box body. A second pressure block is fixed to at least one end of the limit frame, and the second pressure block is exposed on the outside of the airbag box body. When the airbag box body is placed on the tooling body, the second pressure block abuts against the inclined surface of the bracket; the positioning device also includes a second movable hand rod, and the first movable hand rod is used to abut against the limit frame.
[0008] Further, the positioning device further includes a first limiting block, which is fixedly arranged at one end of the tooling body. A positioning protrusion is fixedly arranged on the upper end surface of the first limiting block, and the positioning protrusion is inserted into the through hole of the bracket.
[0009] Further, the first limiting block is provided with at least one limiting groove, and the second limiting block extends towards the limiting groove with an insertion plate, and the insertion plate is inserted into the limiting groove.
[0010] Further, the elastic resetting member is a compression spring. The first limiting block is provided with an installation groove, and the compression spring is embedded in the installation groove.
[0011] Further, a relief groove for avoiding the electrode head is arranged on the upper end surface of the second limiting block.
[0012] Further, both the first movable hand lever and the second movable hand lever are hinged to the tooling body.
[0013] Further, the positioning device further includes a first pressing block, which is fixedly arranged on the second movable hand lever. When the second movable hand lever abuts against the limiting frame, the lower end surface of the first pressing block abuts against the limiting frame.
[0014] Further, the number of the positioning devices is two, and the positioning devices are symmetrically arranged at the left and right ends of the tooling body.
[0015] Further, a plurality of first positioning columns are fixedly arranged on the upper end surface of the tooling body, and the plurality of first positioning columns are inserted into the bent plate of the airbag box body.
[0016] Further, a plurality of second positioning columns are fixedly arranged on the upper end surface of the tooling body, and the plurality of second positioning columns are inserted into the through holes of the airbag box body.
[0017] Adopting the above technical solution, compared with the prior art, the beneficial effects of the present utility model are as follows:
[0018] Firstly, through the tooling body, the accuracy of the relative position between the bracket and the airbag box body can be improved, thereby improving the welding precision; the movement of the bracket during the welding process can be prevented, ensuring the quality and stability of the welded joint; using the tooling body for limiting can simplify the preparation work before welding, reduce the time and energy of manual adjustment, and improve work efficiency.
[0019] Secondly, through the guidance of the first positioning columns and the second positioning columns, the welding operator can quickly align and place the airbag box body on the tooling body, saving time and preliminarily limiting the airbag box body. Brief Description of the Drawings
[0020] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.
[0021] Figure 1 Explosion structure schematic diagram of the present invention;
[0022] Figure 2 Three-dimensional structure schematic diagram of the present invention;
[0023] Figure 3 Schematic diagram of the airbag box body placed on the tooling body in the present invention;
[0024] Figure 4 Enlarged structure schematic diagram at A in the present invention;
[0025] Figure 5 Planar structure schematic diagram of the present invention;
[0026] Figure 6 Schematic diagram of the connection between the airbag box body and the bracket;
[0027] In the figure: tooling body - 100, positioning device - 10, first positioning post - 11, second positioning post - 12, first limiting block - 2, positioning protrusion - 21, installation groove - 22, limiting groove - 23, second limiting block - 3, insertion plate - 31, limiting plate - 32, relief groove - 33, first movable hand lever - 4, second movable hand lever - 5, first pressing block - 51, limiting frame - 6, second pressing block - 61, inclined part - 611, compression spring - 7, airbag box body - B, bent plate - B1, bracket - C, first limiting hole - C1, welding part - C2. Detailed implementation manners
[0028] The following will further describe the present invention in detail in conjunction with the drawings and embodiments. It should be specifically pointed out that the following embodiments are only used to illustrate the present invention, but do not limit the scope of the present invention. Similarly, the following embodiments are only some embodiments of the present invention rather than all embodiments. All other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the present invention.
[0029] As Figures 1 to 6 shown, this solution provides a welding tooling for an airbag box.
[0030] Please refer to Figure 1 , Figure 3 andFigure 4 , including: a tool body 100 and at least one positioning device 10. In this embodiment, the number of the positioning devices 10 is two, and the positioning devices 10 are symmetrically arranged at the left and right ends of the tool body 100. The bracket C is fixed to the tool body 100. Specifically, the positioning device 10 also includes a first limiting block 2, which is fixed to one end of the tool body 100. A positioning protrusion 21 is fixed on the upper end surface of the first limiting block 2. The positioning protrusion 21 is inserted into the first limiting hole C1 of the bracket C, and the bracket C is limited by the positioning protrusion 21.
[0031] See also Figures 1 to 4 The positioning device 10 includes a second limit block 3, which is movably inserted into the tool body 100 toward the open end of the bracket C. Specifically, the second limit block 3 is inserted into the first limit block 2, and an elastic reset member is installed between the second limit block 3 and the tool body 100. Specifically, an elastic reset member is installed between the second limit block 3 and the first limit block 2, and the elastic reset member is a compression spring 7. The first limit block 2 is provided with a mounting groove 22, and the compression spring 7 is embedded in the mounting groove 22. In this embodiment, the first limit block 2 is provided with two mounting grooves 22, and the two mounting grooves 22 are respectively equipped with compression springs 7. One end of the compression spring 7 is fixed in the mounting groove 22, and the other end is fixed in the second limit block 3. The first limit block 2 is provided with at least one limit groove 23, and the second limit block 3 is provided with an insert plate 31 extending toward the limit groove 23, and the insert plate 31 is inserted in the limit groove 23. The upper end surface of the second limiting block 3 is provided with a clearance groove 33 for avoiding the electrode head.
[0032] See also Figures 1 to 4 The second limit block 3 is extended toward the bracket C to be provided with a limit plate 32. When the bracket C is fixed to the tool body 100, specifically, when the bracket C is fixed to the first limit block 2, the lower end surface of the limit plate 32 abuts against the bracket C; one end of the bracket C is inserted into the second limit block 3. The positioning device 10 also includes a first movable handle 4, which is used to drive the second limit block 3 to move and abut against the second limit block 3.
[0033] See also Figures 1 to 4, the positioning device 10 further includes a limit frame 6. The limit frame 6 is embedded in the airbag box body B, and the outer peripheral surface of the limit frame 6 fits against the inner peripheral surface of the airbag box body B. In this embodiment, the limit frame 6 is fixed to the airbag box body B by a tape (not shown in the figure). In other embodiments, the limit frame 6 can also be fixed to the airbag box body B by other means, and the method is not limited herein. At least one end of the limit frame 6 is fixedly provided with a second pressing block 61, and the second pressing block 61 is exposed outside the airbag box body B. When the airbag box body B is placed on the tooling body 100, the second pressing block 61 abuts against the inclined surface of the bracket C; the second pressing block 61 further includes an inclined portion 611, and the inclined portion 611 abuts against the inclined surface of the bracket C to increase the contact surface between the second pressing block 61 and the bracket C. Specifically, the number of the second pressing blocks 61 is two, and the two second pressing blocks 61 are symmetrically arranged at the left and right ends of the limit frame 6. The positioning device 10 further includes a second movable lever 5, and the first movable lever 4 is used to abut against the limit frame 6. Both the first movable lever 4 and the second movable lever 5 are hinged to the tooling body 100. And there is resistance when the first movable lever 4 and the second movable lever 5 open and close.
[0034] Please refer to Figures 1 to 3 , the positioning device 10 further includes a first pressing block 51. The first pressing block 51 is fixed to the second movable lever 5. When the second movable lever 5 abuts against the limit frame 6, the lower end surface of the first pressing block 51 abuts against the limit frame 6.
[0035] Please refer to Figure 1 , Figure 2 and Figure 5 , a plurality of first positioning columns 11 are fixedly provided on the upper end surface of the tooling body 100, and the plurality of first positioning columns 11 are inserted into the bent plate B1 of the airbag box body B. Specifically, the number of the first positioning columns 11 is two, and the two first positioning columns 11 are arranged at corresponding positions of the bent plate B1 of the airbag box body B. A plurality of second positioning columns 12 are fixedly provided on the upper end surface of the tooling body 100, and the plurality of second positioning columns 12 are inserted into the through holes of the airbag box body B. Through the guidance of the first positioning columns 11 and the second positioning columns 12, the welding personnel can quickly align and place the airbag box body B on the tooling body 100, saving time and preliminarily limiting the airbag box body B.
[0036] Please refer to Figure 6 , each airbag box body B corresponds to two brackets C, and the two brackets C are arranged at the left and right ends of the airbag box body B through the tooling body 100. The welding part C2 of each bracket C is three; in this embodiment, the airbag box body B and the bracket C are welded by an electric welding machine to the welding part C2.
[0037] Working principle: insert the first limiting hole C1 of a bracket C into the positioning protrusion 21, move the first movable handle 4, the other end of the first movable handle 4 moves toward the second limiting block 3, insert the plug plate 31 into the limiting groove 23, the lower end of the bracket C is stuck in the second limiting block 3, and repeat the above steps for the other bracket C;
[0038] Put the limiting frame 6 into the airbag box body B, fix the limiting frame 6 and the airbag box body B with tape, then place the airbag box body B on the tooling body 100, move the two second movable handles 5, and the second movable handles 5 drive the first pressing block 51 to move toward the limiting frame 6 until the first pressing block 51 abuts against the second pressing block 61;
[0039] Finally, an electric welder is used to weld the welding portion C2.
[0040] After welding is completed, the first movable handle 4 and the second movable handle 5 are moved, and the second limit block 3 is reset by the compression spring 7, and finally the welded airbag box body B is taken out.
[0041] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features may be replaced by equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims
1. A welding tool for an airbag box, characterized in that: include: A tool body (100) and at least one positioning device (10), wherein the positioning device (10) comprises a second limit block (3), a bracket (C) is fixedly mounted on the tool body (100), the second limit block (3) is movably inserted into the tool body (100) toward the open end of the bracket (C), and an elastic reset member is arranged between the second limit block (3) and the tool body (100), and a limit plate (32) is extended from the second limit block (3) toward the bracket (C), and when the bracket (C) is fixedly mounted on the tool body (100), the lower end surface of the limit plate (32) abuts against the bracket (C); the positioning device (10) further comprises a first movable handle (4), the first movable handle (4) is used to drive the second limit block (3) to move and abut against the second limit block (3); The positioning device (10) further comprises a limiting frame (6), wherein the limiting frame (6) is embedded in the airbag box body (B), and a second pressing block (61) is fixedly disposed at at least one end of the limiting frame (6), wherein the second pressing block (61) is exposed outside the airbag box body (B), and when the airbag box body (B) is placed on the tooling body (100), the second pressing block (61) abuts against the inclined surface of the bracket (C); the positioning device (10) further comprises a second movable handle (5), and the first movable handle (4) is used to abut against the limiting frame (6).
2. A welding tool for an airbag box as claimed in claim 1, characterized in that: The positioning device (10) further comprises a first limit block (2), wherein the first limit block (2) is fixedly arranged at one end of the tool body (100), and a positioning protrusion (21) is fixedly arranged on the upper end surface of the first limit block (2), and the positioning protrusion (21) is inserted into the through hole of the bracket (C).
3. A welding tool for an airbag box as claimed in claim 2, characterized in that: The first limiting block (2) is provided with at least one limiting groove (23), and the second limiting block (3) is provided with an inserting plate (31) extending toward the limiting groove (23), and the inserting plate (31) is inserted into the limiting groove (23).
4. A welding tool for an airbag box as claimed in claim 2, characterized in that: The elastic return member is a compression spring (7), the first limit block (2) is provided with a mounting groove (22), and the compression spring (7) is embedded in the mounting groove (22).
5. A welding tool for an airbag box as claimed in claim 1, characterized in that: The upper end surface of the second limiting block (3) is provided with a clearance groove (33) for avoiding the electrode head.
6. A welding tool for an airbag box as claimed in claim 1, characterized in that: The first movable handle (4) and the second movable handle (5) are both hingedly arranged on the tool body (100).
7. A welding tool for an airbag box as claimed in claim 1, characterized in that: The positioning device (10) further comprises a first pressing block (51), wherein the first pressing block (51) is fixedly mounted on the second movable handle (5), and when the second movable handle (5) abuts against the limiting frame (6), the lower end surface of the first pressing block (51) abuts against the limiting frame (6).
8. A welding tool for an airbag box as claimed in any one of claims 1 to 7, characterized in that: The number of the positioning devices (10) is two, and the positioning devices (10) are symmetrically arranged at the left and right ends of the tool body (100).
9. A welding tool for an airbag box as claimed in claim 1, characterized in that: A plurality of first positioning columns (11) are fixedly arranged on the upper end surface of the tool body (100), and the plurality of first positioning columns (11) are inserted into the bending plate (B1) of the airbag box body (B).
10. A welding tool for an airbag box as claimed in claim 1, characterized in that: A plurality of second positioning columns (12) are fixedly arranged on the upper end surface of the tool body (100), and the plurality of second positioning columns (12) are inserted into the through holes of the airbag box body (B).