A fault-prevention device for welding aluminum alloy car bodies

CN224701433UActive Publication Date: 2026-09-01HENAN AILU AUTOMOBILE MFG CO LTD
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Patent Information

Application Number
CN202521843793.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-08-28
Publication Date
2026-09-01
Estimated Expiration
2035-08-28

AI Technical Summary

Technical Problem

[0003]由于不同铝合金车架的定位点不同,现有定位工装难以灵活适配不同车型,存在调整不便的问题

Benefits of technology

1.通过在固定板中部通槽内设置可调节式移动板,实现横向位置调整,通过在移动板上滑动连接至少两个移动块,实现纵向位置调整,配合移动块上的定位销,可满足多焊点位置的定位需求,适配不同车身构件的焊装,移动块调整到位后,其前后两侧耳板通过第二紧固螺栓与移动板连接,以对移动块进行固定,防止焊装过程中移动块移位,保障使用稳定性。

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Abstract

This utility model discloses an error-proofing device for welding aluminum alloy car bodies, including a base; a support leg is fixed to the bottom side of the base, and two symmetrically fixed plates are provided on the top of the base. The bottom side of the fixed plates is fixedly connected to the surface of the base by a support rod. A through groove is opened in the middle of each fixed plate, and sliding grooves are opened on the front and rear sides of the through groove. A movable plate is slidably connected in each sliding groove. The movable plate is detachably connected to the fixed plate by a first fastening bolt. At least two movable blocks are slidably connected on the movable plate. This error-proofing device for welding aluminum alloy car bodies achieves lateral position adjustment by setting an adjustable movable plate in the through groove in the middle of the fixed plate, and achieves longitudinal position adjustment by sliding at least two movable blocks on the movable plate. With the help of the positioning pins on the movable blocks, it can meet the positioning requirements of multiple welding points and is suitable for welding different car body components.
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Description

Technical Field

[0001] This utility model belongs to the field of automobile manufacturing technology, and in particular relates to an error prevention device for welding aluminum alloy car bodies. Background Technology

[0002] With the advancement of the trend towards lightweighting in automobiles, aluminum alloys, due to their low density and high strength, are widely used in car body manufacturing. In the welding and assembly production of aluminum alloy car bodies, precise positioning and error prevention are of paramount importance.

[0003] Because different aluminum alloy frames have different positioning points, existing positioning fixtures are difficult to adapt flexibly to different vehicle models, resulting in inconvenient adjustments. Utility Model Content

[0004] To address the problems existing in the prior art, this utility model provides an error prevention device for welding aluminum alloy car bodies. By setting an adjustable movable plate in the through groove in the middle of the fixed plate, the lateral position can be adjusted. By sliding at least two movable blocks on the movable plate, the longitudinal position can be adjusted. With the help of the positioning pins on the movable blocks, the positioning requirements of multiple welding points can be met, and it is suitable for welding different car body components.

[0005] To achieve the above objectives, this utility model provides the following technical solution: An anti-misalignment device for welding aluminum alloy car bodies includes a base; a support leg is fixed to the bottom side of the base; two symmetrically fixed plates are provided on the top of the base; the bottom sides of the fixed plates are fixedly connected to the base surface by support rods; a through groove is provided in the middle of each fixed plate; sliding grooves are provided on the front and rear sides of each through groove; a movable plate is slidably connected in each sliding groove; the movable plate is detachably connected to the fixed plate by a first fastening bolt; at least two movable blocks are slidably connected to the movable plate; each movable block is provided with a positioning pin; the front and rear sides of the movable blocks are... Each component is fixed with an ear plate, which is continuously connected to the movable plate via a second fastening bolt. An adjustable movable plate is installed in the through groove in the middle of the fixed plate to achieve lateral position adjustment. At least two movable blocks are slidably connected on the movable plate to achieve longitudinal position adjustment. With the help of the positioning pins on the movable blocks, the positioning requirements of multiple welding points can be met, adapting to the welding of different body components. After the movable block is adjusted to the position, its front and rear ear plates are connected to the movable plate via the second fastening bolt to fix the movable block, prevent the movable block from shifting during the welding process, and ensure the stability of use.

[0006] Furthermore, the surfaces of the moving block and the fixed plate are located on the same horizontal plane, ensuring the flatness of the welding plane.

[0007] Furthermore, the locating pin is detachably screwed onto the movable block, making it easy to replace locating pins of different models or diameters to accommodate different types of automotive components.

[0008] Compared with the prior art, the beneficial effects of this utility model are: 1. By setting an adjustable movable plate in the through groove in the middle of the fixed plate, the lateral position can be adjusted. By sliding at least two movable blocks on the movable plate, the longitudinal position can be adjusted. With the positioning pins on the movable blocks, the positioning requirements of multiple welding points can be met, and it can be adapted to the welding of different body components. After the movable block is adjusted to the position, its front and rear side ear plates are connected to the movable plate by the second fastening bolts to fix the movable block, prevent the movable block from shifting during the welding process, and ensure the stability of use.

[0009] 2. The surfaces of the moving block and the fixed plate are on the same horizontal plane to ensure the flatness of the welding surface. The locating pin is detachably screwed onto the moving block, which makes it easy to replace the locating pin of different models or diameters to make it suitable for different types of automotive components. Attached Figure Description

[0010] Figure 1 This is a schematic diagram of the structure of this utility model.

[0011] Figure 2 This is a top view of the fixing plate structure of this utility model.

[0012] In the diagram: 1. Base, 2. Legs, 3. Fixing plate, 4. Support rod, 5. Through groove, 6. Moving plate, 7. First fastening bolt, 8. Moving block, 9. Positioning pin, 10. Ear plate, 11. Second fastening bolt. Detailed Implementation

[0013] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the scope of protection of the present utility model.

[0014] In the description of this utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Example

[0015] See appendix Figure 1-2As shown, an anti-misalignment device for welding aluminum alloy car bodies includes a base 1; support legs 2 are fixed to the bottom side of the base 1, and two symmetrically arranged fixing plates 3 are provided on the top of the base 1. The bottom sides of the fixing plates 3 are fixedly connected to the surface of the base 1 by support rods 4. A through groove 5 is provided in the middle of each fixing plate 3, and sliding grooves are provided on the front and rear sides of the through groove 5. A movable plate 6 is slidably connected in each sliding groove. The movable plate 6 is detachably connected to the fixing plate 3 by a first fastening bolt 7. At least two movable blocks 8 are slidably connected on the movable plate 6, and each movable block 8 is provided with a positioning pin 9. Ear plates 10 are fixed on the front and rear sides of each movable block 8. The ear plate 10 is continuously connected to the movable plate 6 by the second fastening bolt 11. The adjustable movable plate 6 is set in the through groove 5 in the middle of the fixed plate 3 to achieve lateral position adjustment. The longitudinal position adjustment is achieved by sliding at least two movable blocks 8 on the movable plate 6. With the help of the positioning pins 9 on the movable blocks 8, the positioning requirements of multiple welding points can be met, and it can be adapted to the welding of different body components. After the movable block 8 is adjusted to the position, the ear plates 10 on the front and rear sides are connected to the movable plate 6 by the second fastening bolt 11 to fix the movable block 8, prevent the movable block 8 from shifting during the welding process, and ensure the stability of use.

[0016] The surfaces of the movable block 8 and the fixed plate 3 are on the same horizontal plane, ensuring the flatness of the welding surface.

[0017] The locating pin 9 is detachably screwed onto the movable block 8, making it easy to replace locating pins 9 of different models or diameters to accommodate different types of automotive components.

[0018] Working principle: Two fixed plates 3 are fixed above the base 1 by support rods 4, forming the basic load-bearing structure for welding operations. This structure is used to place the aluminum alloy body components to be welded. The movable plate 6 can slide along the sliding grooves on both sides of the through groove 5 to achieve lateral position adjustment. When the movable plate 6 slides to the appropriate position, it is connected to the fixed plate 3 by the first fastening bolt 7 to detachably fix the movable plate 6, ensuring its positional stability during welding. The movable block 8 can slide on the movable plate 6 to achieve longitudinal position adjustment. After the movable block 8 is adjusted to the correct position, its front and rear ear plates 10 are connected to the movable plate 6 by the second fastening bolt 11 to fix the movable block 8. With the help of the positioning pins 9 on the movable block 8, the positioning requirements of multiple welding points can be met, adapting to the welding of different body components. The surfaces of the movable block 8 and the fixed plate 3 are on the same horizontal plane, ensuring the flatness of the welding plane. The positioning pins 9 are detachably screwed onto the movable block 8, making it easy to replace positioning pins 9 of different models or diameters to adapt to different types of automotive components. In this way, through the coordinated adjustment and fixing of various components, precise positioning and error prevention of aluminum alloy body components can be achieved, which is applicable to the welding of different body components.

[0019] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. It will be apparent to those skilled in the art that this utility model is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or basic characteristics of this utility model. Therefore, the embodiments should be considered exemplary and non-limiting in all respects. The scope of this utility model is defined by the appended claims rather than the foregoing description. Therefore, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this utility model, and no reference numerals in the claims should be construed as limiting the scope of the claims.

[0020] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A mistake-proofing device for an aluminum alloy vehicle body welding fixture, comprising a base, characterized in that: The base has legs fixed to its bottom side, and two symmetrical fixed plates are provided on the top of the base. The bottom sides of the fixed plates are fixedly connected to the surface of the base by support rods. Each fixed plate has a through groove in the middle, and sliding grooves are provided on the front and rear sides of the through grooves. A movable plate is slidably connected in each sliding groove. The movable plate is detachably connected to the fixed plate by a first fastening bolt. At least two movable blocks are slidably connected to the movable plate. Each movable block is provided with a positioning pin. Ear plates are fixed on the front and rear sides of each movable block. The ear plates are continuously connected to the movable plate by a second fastening bolt.

2. A mistake-proofing device for welding an aluminum alloy vehicle body according to claim 1, characterized in that: The surfaces of the moving block and the fixed plate are located on the same horizontal plane.

3. A mistake proofing device for aluminum alloy body welds as defined in claim 1 wherein: The positioning pin is detachably screwed onto the movable block.