CN220782721U - Positioning tool for welding right exhaust pipe bracket of automobile - Google Patents
Positioning tool for welding right exhaust pipe bracket of automobile Download PDFInfo
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- CN220782721U CN220782721U CN202321620828.8U CN202321620828U CN220782721U CN 220782721 U CN220782721 U CN 220782721U CN 202321620828 U CN202321620828 U CN 202321620828U CN 220782721 U CN220782721 U CN 220782721U
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- 238000003466 welding Methods 0.000 title claims abstract description 52
- 238000000034 method Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 9
- 230000006872 improvement Effects 0.000 description 4
- 230000002349 favourable effect Effects 0.000 description 3
- 230000008439 repair process Effects 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of welding and positioning of automobile parts, and particularly discloses a positioning tool for welding an automobile right exhaust pipe bracket, which comprises an integral positioning plate and a bracket positioning plate connected to one side of the integral positioning plate, wherein the integral positioning plate and the bracket positioning plate are arranged in an L shape, one end of the bracket positioning plate extends out of the integral positioning plate, an assembly hole and a positioning hole are formed in the integral positioning plate, and a positioning pin is inserted into the positioning hole; a plurality of mounting holes are formed in the support positioning plate, and mounting bolts are inserted into the mounting holes. By adopting the technical scheme provided by the utility model, the technical problem of lower assembly quality of the automobile exhaust pipe caused by lower positioning accuracy and lower welding precision of the exhaust pipe bracket in the prior art can be solved.
Description
Technical Field
The utility model relates to the technical field of welding and positioning of automobile parts, in particular to a positioning tool for welding an automobile right exhaust pipe bracket.
Background
The automobile exhaust pipe is an indispensable part in an exhaust system of an automobile engine, the automobile exhaust pipe is usually connected to the automobile body through an exhaust pipe bracket, and the exhaust pipe bracket is welded and fixed with the automobile body, so that the welding precision of the exhaust pipe bracket and the automobile body can directly influence the assembly quality of the automobile exhaust pipe.
At present, in the automobile manufacturing production process, in order to improve the assembly quality of the whole automobile body, a fixture tool positioning welding mode is adopted for welding and assembling automobile parts. However, since the position of the vehicle body at the position where the right exhaust pipe bracket is welded by the side beam of the engine room of the vehicle has limitation, the vehicle body is difficult to assemble due to interference of parts and the robot welding gun in the process of welding the right exhaust pipe bracket, and if the right exhaust pipe bracket is forcedly welded by using the robot welding gun, the quality hidden troubles such as part distortion, welding through and the like can exist, so that the welding precision of the right exhaust pipe bracket of the vehicle is affected.
Therefore, to the automobile right side exhaust pipe support, only can adopt the mode of repair welding under the line to accomplish its welded fastening with the automobile body, and repair welding under the line needs operating personnel to fix a position the exhaust pipe support, and the accuracy of location is difficult to guarantee, and the displacement takes place for the exhaust pipe support easily in the welding process, leads to the welding precision of exhaust pipe support lower to influence the assembly quality of follow-up automobile exhaust pipe. Therefore, a positioning tool for welding an automobile right exhaust pipe bracket is needed at present, and is used for realizing quick positioning of the exhaust pipe bracket and ensuring the welding precision of the exhaust pipe bracket.
Disclosure of Invention
The utility model aims to provide a positioning tool for welding an automobile right exhaust pipe bracket, which solves the technical problems of lower positioning accuracy and lower welding precision of the exhaust pipe bracket, and lower assembly quality of an automobile exhaust pipe in the prior art.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the positioning tool for welding the exhaust pipe bracket on the right side of the automobile comprises an integral positioning plate and a bracket positioning plate connected to one side of the integral positioning plate, wherein the integral positioning plate and the bracket positioning plate are arranged in an L shape, and one end of the bracket positioning plate extends out of the integral positioning plate; the integral positioning plate is provided with an assembly hole and a positioning hole, and a positioning pin is inserted into the positioning hole; a plurality of mounting holes are formed in the support positioning plate, and mounting bolts are inserted into the mounting holes.
The principle and the advantages of the scheme are as follows:
1. according to the scheme, the assembly holes and the positioning holes are formed in the integral positioning plate, the assembly holes are inserted into the assembly holes from the bottom through bolt sleeves on the side beams of the engine cabin of the automobile body, the initial positioning of the integral positioning plate is realized, and then the positioning pins are sequentially inserted into the positioning holes and the automobile body datum holes on the bottom of the side beams of the engine cabin, so that the integral positioning connection of the integral positioning plate is realized; through pilot hole and locating hole, can realize that whole locating plate is connected with the location of automobile body to realize that whole location frock is connected with the location of automobile body, simple structure, the welding efficiency of automobile right side blast pipe support can effectively be improved to the simple operation.
2. According to the scheme, the positioning of the whole positioning plate is realized through the assembly holes and the positioning holes, so that the positioning of the whole positioning tool is realized, the assembly holes and the positioning holes form two points and one line, the positioning accuracy of the positioning tool relative to a vehicle body can be ensured, the position stability of the positioning tool in the welding process of the exhaust pipe bracket can be ensured, the positioning accuracy of the positioning tool to the exhaust pipe bracket is further ensured, and the welding precision of the exhaust pipe bracket is improved.
3. According to the scheme, after the exhaust pipe support is placed at the corresponding position of the support locating plate, the exhaust pipe support sequentially passes through the mounting holes and holes in the corresponding position of the exhaust pipe support through the mounting bolts, the exhaust pipe support is positioned, the nut is screwed into the mounting bolts to realize the fixed connection of the exhaust pipe support and the support locating plate, so that the position stability of the exhaust pipe support in the welding process can be ensured, the exhaust pipe support is prevented from being displaced relative to a vehicle body, and the welding precision of the exhaust pipe support is further ensured.
4. This scheme is L shape setting with whole locating plate and support locating plate, can adapt more to have the blast pipe support of angle of buckling for after the bottom and the automobile body contact of blast pipe support, its top can correspond with the support locating plate and be connected, effectively realizes the location of blast pipe support, in order to guarantee its welding precision, improves blast pipe support assembly delivery rate.
5. According to the scheme, the support locating plate is connected to one side of the integral locating plate, one end of the support locating plate extends out of the integral locating plate, then the exhaust pipe support is connected with the support locating plate at one end of the support locating plate extending out of the integral locating plate, position interference of the integral locating plate to the exhaust pipe support can be avoided, locating of the exhaust pipe support by the locating tool is effectively achieved, and locating accuracy and welding accuracy of the exhaust pipe support are guaranteed.
Preferably, as an improvement, the assembly hole and the positioning hole are respectively arranged near two ends of the integral positioning plate, and the positioning hole is positioned near one end of the bracket positioning plate.
By adopting the scheme, the assembly holes and the positioning holes are respectively close to the two ends of the integral positioning plate, namely, the assembly holes and the positioning holes are respectively used for positioning the two ends of the integral positioning plate, so that the positioning area of the integral positioning plate can be increased, the positioning effect of the integral positioning plate is improved, the position stability of the integral positioning plate in the use process is ensured, the positioning stability of the positioning tool to the exhaust pipe bracket is ensured, and the welding precision of the exhaust pipe bracket is improved. And set up the locating hole in the one end that is close to the support locating plate, then can be through the locating pin with the one end of whole locating plate linking support locating plate completely fixed on engine compartment boundary beam, be favorable to further guaranteeing the position stability of support locating plate in the use to improve the position stability of connecting the blast pipe support on the support locating plate, be favorable to further improving the welding precision of blast pipe support.
Preferably, as an improvement, the support positioning plate comprises a connecting section and a positioning section, the connecting section is positioned between the integral positioning plate and the positioning section, the connecting section is perpendicular to the integral positioning plate, and the positioning section is inclined towards a direction close to the integral positioning plate.
Adopt this scheme, divide into linkage segment and location section with the support locating plate, the linkage segment is connected with whole locating plate and the whole locating plate of perpendicular to, the location section is connected in the linkage segment and is kept away from one side of whole locating plate, and set up the orientation slope that the location section is close to whole locating plate, then location section and linkage segment form the shape of buckling, can adapt more to have the blast pipe support of buckling the shape, laminate the blast pipe support on the location section during the use, and make hole and the mounting hole on the blast pipe support aim at, can realize the accurate location of blast pipe support, rethread mounting bolt cooperation nut realizes the fixed connection of blast pipe support and support locating plate, can avoid the blast pipe support to take place the displacement in welding process, whole easy operation, it is convenient, not only be favorable to improving the welding precision of blast pipe support, can also effectively improve the welding efficiency of blast pipe support.
Preferably, as an improvement, a corner of the integral locating plate is provided with an avoidance port, and the bracket locating plate is connected with the integral locating plate at the avoidance port.
By adopting the scheme, the one corner of the integral positioning plate is provided with the avoidance opening, the bracket positioning plate is connected to the avoidance opening, so that the adaptation degree of the shape of the whole positioning tool and the shape of the boundary beam of the vehicle body engine can be improved, the interference of the vehicle body structure to the positioning tool is avoided, the assembly precision of the positioning tool and the vehicle body positioning connection is improved, the positioning precision of the positioning tool to the exhaust pipe bracket is improved, and the welding precision of the exhaust pipe bracket is further guaranteed.
Preferably, as an improvement, the integral locating plate and the bracket locating plate are integrally formed.
By adopting the scheme, the integral locating plate and the bracket locating plate are integrally formed, so that the structural strength of the whole locating tool can be ensured, and the exhaust pipe bracket can be effectively located in the welding process, so that the welding precision of the exhaust pipe bracket is ensured; on the other hand, the high-strength positioning tool can effectively prolong the service life and reduce the equipment cost.
Drawings
Fig. 1 is a schematic overall structure of embodiment 1 of the present utility model.
Fig. 2 is a front view of fig. 1.
Fig. 3 is a left side view of fig. 1.
Fig. 4 is a top view of fig. 1.
Detailed Description
The following is a further detailed description of the embodiments:
reference numerals in the drawings of the specification include: the device comprises an integral positioning plate 10, an assembly hole 11, a positioning hole 12, a positioning pin 13, an avoidance hole 14, a bracket positioning plate 20, a positioning section 21, a connecting section 22 and a mounting hole 23.
Example 1
The positioning tool for welding the exhaust pipe bracket on the right side of the automobile comprises an integral positioning plate 10 and a bracket positioning plate 20 connected to one side of the integral positioning plate 10, as shown in fig. 1 to 4, wherein in the embodiment, the integral positioning plate 10 and the bracket positioning plate 20 are integrally formed; the integral locating plate 10 and the bracket locating plate 20 are integrally provided in an L shape, and the right end of the bracket locating plate 20 (based on the view of fig. 2) protrudes out of the integral locating plate 10.
With the view angle of fig. 4 as a reference, the upper right corner of the integral locating plate 10 is provided with an avoidance port 14, and the bracket locating plate 20 is connected with the integral locating plate 10 at the avoidance port 14, specifically, the bracket locating plate 20 is connected with the horizontal section of the avoidance port 14. The integral locating plate 10 is sequentially provided with an assembly hole 11 and a locating hole 12 along the length direction, namely, the assembly hole 11 and the locating hole 12 are respectively close to two ends of the integral locating plate 10, and the locating hole 12 is positioned at one end close to the bracket locating plate 20. Wherein, the inner diameter of the assembly hole 11 is the same as the outer diameter of a bolt sleeve on the car body, and the inner diameter of the positioning hole 12 is the same as the inner diameter of a car body reference hole at the bottom of the engine cabin boundary beam; in this embodiment, the inner diameter of the fitting hole 11 is 23mm, and the inner diameter of the positioning hole 12 is 20mm. A locating pin 13 is inserted into the locating hole 12, and the locating pin 13 is tightly tensioned in the locating hole 12.
As shown in fig. 1 and 3, the support positioning plate 20 includes a connecting section 22 and a positioning section 21, the connecting section 22 is located between the integral positioning plate 10 and the positioning section 21, the connecting section 22 is connected with the integral positioning plate 10 and is perpendicular to the integral positioning plate 10, the positioning section 21 is connected to one side of the connecting section 22 far away from the integral positioning plate 10, and the positioning section 21 is inclined near the direction of the integral positioning plate 10, in this embodiment, an included angle between the positioning section 21 and the connecting section 22 is 157.4 degrees, so that the positioning section 21 can be attached to the exhaust pipe support, and positioning accuracy of the exhaust pipe support is improved. The positioning section 21 is provided with a plurality of mounting holes 23, in this embodiment, the number of the mounting holes 23 is two, and the two mounting holes 23 are arranged corresponding to the holes on the exhaust pipe bracket, and the inner diameter of the mounting holes 23 is the same as the inner diameter of the holes on the exhaust pipe bracket. Both mounting holes 23 are located at the portion of the positioning section 21 extending out of the integral positioning plate 10, and mounting bolts are inserted into the mounting holes 23.
Detailed description of the preferred embodiments the process is as follows:
positioning connection of a positioning tool: placing the positioning tool on an engine room side beam of a vehicle body, enabling a nut sleeve on the vehicle body to be inserted into the mounting hole 23 from the bottom, horizontally rotating the positioning tool by taking the axis of the mounting hole 23 as the center, enabling the positioning hole 12 to be aligned with a vehicle body datum hole at the bottom of the engine room side beam, and positioning the positioning tool and the vehicle body; and then, inserting the positioning pin 13 into a vehicle body reference hole at the bottom of the engine cabin boundary beam through the positioning hole 12, and tensioning the positioning pin 13 in the positioning hole 12 and the vehicle body reference hole at the bottom of the engine cabin boundary beam to realize the fixed connection of the positioning tool and the vehicle body. At this time, the bottom of the whole locating plate 10 is attached to the top of the car body, and the protruding structure of the car body is located at the avoiding opening 14, so that the locating connection of the locating tool is not interfered.
And (3) positioning and connecting an exhaust pipe bracket: placing the exhaust pipe support on the front side of the support positioning plate 20, so that the exhaust pipe support is attached to the positioning section 21 of the support positioning plate 20, and holes on the exhaust pipe support are aligned with the mounting holes 23 on the positioning section 21 one by one, so that the positioning of the exhaust pipe support is realized; the mounting bolts are then sequentially passed through the mounting holes 23 and holes on the exhaust pipe bracket, and the fixed connection of the exhaust pipe bracket and the bracket positioning plate 20 is achieved by nuts. At this time, the bottom of the exhaust pipe bracket is attached to the welding part of the vehicle body, so that the accurate positioning of the exhaust pipe bracket is realized.
Welding an exhaust pipe support: performing in-line repair welding on the exhaust pipe bracket, wherein the exhaust pipe bracket is positioned and fixed at a welding part on the vehicle body by a positioning tool, so that an operator only needs to weld the exhaust pipe, and the welding precision can be ensured; in the welding process, the position of the exhaust pipe bracket is stable, so that the exhaust pipe bracket cannot displace relative to the vehicle body, and the welding precision can be further ensured.
The foregoing is merely exemplary of the present utility model, and specific technical solutions and/or features that are well known in the art have not been described in detail herein. It should be noted that, for those skilled in the art, several variations and modifications can be made without departing from the technical solution of the present utility model, and these should also be regarded as the protection scope of the present utility model, which does not affect the effect of the implementation of the present utility model and the practical applicability of the patent. The protection scope of the present application shall be subject to the content of the claims, and the description of the specific embodiments and the like in the specification can be used for explaining the content of the claims.
Claims (5)
1. Positioning tool for welding of automobile right exhaust pipe bracket, and is characterized in that: the device comprises an integral positioning plate and a bracket positioning plate connected to one side of the integral positioning plate, wherein the integral positioning plate and the bracket positioning plate are arranged in an L shape, and one end of the bracket positioning plate extends out of the integral positioning plate; the integral positioning plate is provided with an assembly hole and a positioning hole, and a positioning pin is inserted into the positioning hole; a plurality of mounting holes are formed in the support positioning plate, and mounting bolts are inserted into the mounting holes.
2. The positioning tool for welding an automobile right exhaust pipe bracket according to claim 1, wherein: the assembly holes and the positioning holes are respectively close to two ends of the integral positioning plate, and the positioning holes are positioned at one end close to the bracket positioning plate.
3. The positioning tool for welding an automobile right exhaust pipe bracket according to claim 2, wherein: the support locating plate comprises a connecting section and a locating section, wherein the connecting section is positioned between the integral locating plate and the locating section, the connecting section is perpendicular to the integral locating plate, and the locating section inclines towards the direction close to the integral locating plate.
4. The positioning tool for welding an automobile right exhaust pipe bracket according to claim 3, wherein: one corner of the integral locating plate is provided with an avoidance port, and the bracket locating plate is connected with the integral locating plate at the avoidance port.
5. The positioning tool for welding an automobile right exhaust pipe bracket according to any one of claims 1 to 4, wherein: the integral locating plate and the bracket locating plate are integrally formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321620828.8U CN220782721U (en) | 2023-06-25 | 2023-06-25 | Positioning tool for welding right exhaust pipe bracket of automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321620828.8U CN220782721U (en) | 2023-06-25 | 2023-06-25 | Positioning tool for welding right exhaust pipe bracket of automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220782721U true CN220782721U (en) | 2024-04-16 |
Family
ID=90666102
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321620828.8U Active CN220782721U (en) | 2023-06-25 | 2023-06-25 | Positioning tool for welding right exhaust pipe bracket of automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220782721U (en) |
-
2023
- 2023-06-25 CN CN202321620828.8U patent/CN220782721U/en active Active
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