Simple anti-reverse welding tool for oil rail support
Patent Information
- Application Number
- CN202522258018.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-10-25
- Publication Date
- 2026-10-09
- Estimated Expiration
- 2035-10-25
AI Technical Summary
现有技术中缺乏专用焊接工装对油轨支架进行初步限位,焊接时油轨支架易发生横向偏移,最终导致焊偏,无法满足量产件的尺寸精度要求;操作人员无法通过结构配合判断油轨支架的放置方向,极易将其反向放置后焊接,形成不合格品
[0009]本实用新型的技术效果和优点:通过工装定位块顶部的定位凹槽与油轨支架外形适配,可实现油轨支架的横向限位,避免焊接时横向偏移;同时,零件定位销垂直固定于固定座顶部,且其位置与油轨支架非对称孔对应,仅当油轨支架正向放置时,零件定位销才能插入非对称孔,从结构上彻底阻止反向放置,解决了焊反和焊偏问题,大幅提升焊接精度。
Smart Images

Figure CN224825139U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of automotive parts manufacturing, and in particular to a simple tooling for oil rail brackets with anti-reverse welding. Background Technology
[0002] In automotive parts manufacturing, the fuel rail bracket is a critical connecting component, and its welding precision directly affects the stability of subsequent assembly and the performance of the entire vehicle. The fuel rail bracket has a symmetrical structure, but its mounting holes are asymmetrically distributed. This structural characteristic leads to two major challenges in the welding process: The existing technology lacks dedicated welding fixtures to initially limit the position of the oil rail bracket. During welding, the oil rail bracket is prone to lateral displacement, which eventually leads to weld misalignment and fails to meet the dimensional accuracy requirements of mass-produced parts. Operators cannot judge the placement direction of the oil rail bracket through structural fit, and it is very easy to place it in the wrong direction before welding, resulting in defective products. Utility Model Content
[0003] The purpose of this utility model is to provide a simple anti-reverse welding fixture for oil rail supports to solve the problems mentioned in the background art.
[0004] To achieve the above objectives, this utility model provides the following technical solution: a simple anti-reverse welding fixture for oil rail brackets, including a fixed base, a fixture positioning block and a part positioning pin are provided above the fixed base, and a positioning groove for placing the oil rail bracket to be welded is provided on the top of the fixture positioning block. The shape of the positioning groove is adapted to the shape of the oil rail bracket to be welded, so as to achieve the initial positioning of the oil rail bracket. The part positioning pin is vertically fixed to the top of the fixing base, and the setting position of the part positioning pin corresponds to the asymmetrical hole on the oil rail bracket to be welded, so as to prevent the oil rail bracket from being placed in reverse. The positioning of the oil rail bracket is achieved by the lateral limiting of the positioning groove and the anti-reverse cooperation between the positioning pin of the part and the asymmetrical hole of the oil rail bracket.
[0005] Preferably, the part positioning pin is positioned close to one of the tooling positioning blocks.
[0006] Preferably, the part positioning pin includes a positioning pin body and a positioning base plate, and the positioning pin body is connected to the fixed seat through the positioning base plate.
[0007] Preferably, a bearing block is fixedly connected above the fixed base, and the upper surface of the bearing block is at the same height as the upper surface of the positioning base plate.
[0008] Preferably, the inner wall of the positioning groove is provided with a semi-circular transition surface.
[0009] The technical effects and advantages of this utility model are as follows: By adapting the positioning groove on the top of the tooling positioning block to the shape of the oil rail bracket, the lateral positioning of the oil rail bracket can be achieved, avoiding lateral displacement during welding; at the same time, the part positioning pin is vertically fixed to the top of the fixing seat, and its position corresponds to the asymmetrical hole of the oil rail bracket. The part positioning pin can only be inserted into the asymmetrical hole when the oil rail bracket is placed in the correct position, which completely prevents reverse placement from the structure, solves the problems of reverse welding and welding deviation, and greatly improves the welding accuracy. Attached Figure Description
[0010] Figure 1 This is a schematic diagram of the overall structure of this utility model; Figure 2 This is a structural schematic diagram of the fixing base and tooling positioning block of this utility model; Figure 3 This is a schematic diagram of the locating pin of this utility model.
[0011] In the diagram: 1. Fixed base; 2. Tooling positioning block; 21. Positioning groove; 3. Part positioning pin; 31. Positioning pin body; 32. Positioning base plate; 4. Bearing block. Detailed Implementation
[0012] 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, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0013] This utility model provides, for example Figures 1-3 The simplified anti-reverse welding fixture for the oil rail bracket shown includes a fixed base 1. A fixture positioning block 2 and a part positioning pin 3 are provided above the fixed base 1. The top of the fixture positioning block 2 is provided with a positioning groove 21 for placing the oil rail bracket to be welded. The shape of the positioning groove 21 is adapted to the shape of the oil rail bracket to be welded, so as to achieve the initial positioning of the oil rail bracket. The part positioning pin 3 is vertically fixed to the top of the fixed base 1, and the setting position of the part positioning pin 3 corresponds to the asymmetrical hole on the oil rail bracket to be welded, so as to prevent the oil rail bracket from being placed in reverse. The positioning of the oil rail bracket is achieved by the lateral limiting of the positioning groove 21 and the anti-reverse cooperation between the part positioning pin 3 and the asymmetrical hole of the oil rail bracket.
[0014] By adapting the positioning groove 21 on the top of the tooling positioning block 2 to the shape of the oil rail bracket, the lateral positioning of the oil rail bracket can be achieved, avoiding lateral displacement during welding. At the same time, the part positioning pin 3 is vertically fixed to the top of the fixed base 1, and its position corresponds to the asymmetrical hole of the oil rail bracket. Only when the oil rail bracket is placed in the correct direction can the part positioning pin 3 be inserted into the asymmetrical hole, which completely prevents reverse placement from the structure, solves the problems of reverse welding and welding deviation, and greatly improves the welding accuracy.
[0015] Furthermore, the part positioning pin 3 is positioned close to one of the tooling positioning blocks 2.
[0016] Furthermore, the part positioning pin 3 includes a positioning pin body 31 and a positioning base plate 32, and the positioning pin body 31 is connected to the fixed seat 1 through the positioning base plate 32.
[0017] Furthermore, a bearing block 4 is fixedly connected above the fixed base 1, and the upper surface of the bearing block 4 is at the same height as the upper surface of the positioning base plate 32.
[0018] The upper surface of the bearing block 4 is at the same height as the upper surface of the positioning base plate 32 of the part positioning pin 3, which can provide stable support for the oil rail bracket, ensure that the part is subjected to uniform force during the welding process, reduce welding deformation, and ensure the appearance quality and dimensional consistency of mass-produced parts.
[0019] Furthermore, the inner wall of the positioning groove 21 is provided with a semi-circular transition surface.
[0020] Align the rail bracket to be welded with the positioning groove 21 on the top of the tooling positioning block 2, and slowly place it into the positioning groove 21. At this time, the positioning groove 21 achieves initial lateral positioning by adapting its shape to the rail bracket. At the same time, observe whether the asymmetric hole of the rail bracket is aligned with the part positioning pin 3. Only when the rail bracket is placed in the correct orientation can the part positioning pin 3 be smoothly inserted into the asymmetric hole, completing the anti-reverse positioning. If it is placed in the reverse orientation, the asymmetric hole and the part positioning pin 3 will be misaligned, and the rail bracket cannot be placed stably. The operator can adjust the direction immediately.
[0021] After confirming that the oil rail bracket is limited by the positioning groove 21 and the part positioning pin 3 is anti-reverse during the welding operation, the welding equipment is started to carry out the welding operation. During the welding process, the bearing block 4 and the positioning base plate 32 together provide stable support for the oil rail bracket, avoid the parts from shifting due to uneven force, and ensure welding accuracy.
[0022] After the welding is completed in the part removal stage, wait for the oil rail bracket to cool to a safe temperature, then remove the part upwards. After removal, check the welding quality, and then proceed to the next process to complete a single welding process.
[0023] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.
Claims
1. A simple oil rail bracket with anti-reverse welding fixture, including a fixed base (1), characterized in that, The fixed base (1) is provided with a tooling positioning block (2) and a part positioning pin (3) above it. The tooling positioning block (2) has a positioning groove (21) on its top for placing the oil rail bracket to be welded. The shape of the positioning groove (21) is adapted to the shape of the oil rail bracket to be welded, so as to achieve the initial positioning of the oil rail bracket. The part positioning pin (3) is vertically fixed to the top of the fixing seat (1), and the setting position of the part positioning pin (3) corresponds to the asymmetrical hole on the oil rail bracket to be welded, so as to prevent the oil rail bracket from being placed in reverse. The positioning of the oil rail bracket is achieved by the lateral limiting of the positioning groove (21) and the anti-reverse cooperation between the part positioning pin (3) and the asymmetrical hole of the oil rail bracket.
2. The simplified anti-reverse welding fixture for the oil rail support according to claim 1, characterized in that, The part positioning pin (3) is positioned close to one of the tooling positioning blocks (2).
3. The simplified anti-reverse welding fixture for the oil rail support according to claim 1, characterized in that, The part positioning pin (3) includes a positioning pin body (31) and a positioning base plate (32). The positioning pin body (31) is connected to the fixed seat (1) through the positioning base plate (32).
4. The simplified anti-reverse welding fixture for the oil rail support according to claim 3, characterized in that, A bearing block (4) is fixedly connected above the fixed base (1), and the upper surface of the bearing block (4) is at the same height as the upper surface of the positioning base plate (32).
5. The simplified anti-reverse welding fixture for the oil rail support according to claim 1, characterized in that, The inner wall of the positioning groove (21) is provided with a semi-circular transition surface.