CN214769657U - Comprehensive welding fixture for gear shifting shaft assembly - Google Patents
Comprehensive welding fixture for gear shifting shaft assembly Download PDFInfo
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- CN214769657U CN214769657U CN202120509931.XU CN202120509931U CN214769657U CN 214769657 U CN214769657 U CN 214769657U CN 202120509931 U CN202120509931 U CN 202120509931U CN 214769657 U CN214769657 U CN 214769657U
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Abstract
The utility model relates to a comprehensive welding fixture for a gear shifting shaft assembly, which comprises a circular bottom plate, wherein the center of the bottom plate is provided with a central positioning hole, the bottom plate is provided with a positioning mandrel, two sides of the positioning mandrel are respectively provided with a ball head positioning seat and a finger-dialing positioning seat, the upper end of the ball head positioning seat is provided with a positioning shaft, the positioning part at the front end of the positioning shaft is spherical, and the rear end of the positioning shaft is provided with a handle; the upper end of the finger-pulling positioning seat is provided with a finger-pulling positioning block, the front end of the finger-pulling positioning block is provided with a trapezoidal positioning groove which is through from front to back, the positioning mandrel is a four-section stepped shaft, the first section is provided with two vertical positioning planes which are parallel to each other, the second section of shaft neck is larger than the first section of shaft neck, the third section of shaft neck is a boss with the largest shaft neck, the boss is provided with a plurality of axial stepped holes which are uniformly distributed along the same circumference, and the fourth section of positioning cylinder with the smallest shaft neck is matched with the central positioning hole. The welding fixture can meet the processing requirements of two procedures of the gear shifting shaft assembly, saves the production cost and improves the efficiency.
Description
Technical Field
The utility model relates to a welding jig is synthesized to selector shaft assembly belongs to machining anchor clamps technical field.
Background
The gear shifting shaft assembly is used in automobile gear box for gear selecting and gear shifting operation. The existing gear shifting shaft assembly is formed by welding a plurality of parts, and the gear shifting shaft assembly can be produced and processed by a plurality of sets of welding fixtures. The laser welding process with small deformation is mainly adopted, but in the existing laser welding gear shifting shaft assembly process, due to the fact that the welding fixture is reasonable in design, clamping of the fixture is unreliable, and the qualification rate of products is affected. The novel products of the gear shifting shaft assembly are various, the production and development period is short, the requirement on the clamp is large, and 5 sets of welding clamps need to be designed and manufactured according to the design of the conventional clamp, so that the design and manufacturing cost of the clamp is high, the period is long, and the requirement on short development and trial production time of the novel products cannot be met.
SUMMERY OF THE UTILITY MODEL
To the above problem, the utility model provides a welding jig is synthesized to selector shaft assembly satisfies the welding requirement of selector shaft assembly twice process simultaneously for the product development progress, reduction in production cost.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a comprehensive welding fixture for a gear shifting shaft assembly comprises a bottom plate, wherein the bottom plate is circular, a central positioning hole is formed in the center of the bottom plate, a positioning mandrel is arranged on the bottom plate, a ball head positioning seat is arranged on the right side of the positioning mandrel, a finger shifting positioning seat is arranged on the left side of the positioning mandrel, a horizontally arranged guide hole is formed in the upper end of the ball head positioning seat, a positioning shaft is arranged in the guide hole, the positioning part at the front end of the positioning shaft is spherical, and a handle is arranged at the rear end of the positioning shaft; the upper end of the finger-pulling positioning seat is provided with a finger-pulling positioning block, the front end of the finger-pulling positioning block is provided with a positioning groove which is communicated from front to back, the positioning groove is a trapezoidal groove, and the inclination of the upper side surface and the lower side surface of the positioning groove is 1-2 degrees; the positioning core shaft is a four-section stepped shaft, the axial center of the positioning core shaft is provided with a positioning hole, the first section is provided with two vertical positioning planes which are parallel to each other, the second section of shaft neck is larger than the first section of shaft neck, the third section of the shaft neck is a boss with the largest shaft neck, the boss is provided with a plurality of axial stepped holes which are uniformly distributed along the same circumference, and the fourth section of the positioning core shaft is a positioning cylinder with the smallest shaft neck and is matched with the central positioning hole in the bottom plate.
Furthermore, the positioning hole on the positioning mandrel is a stepped blind hole.
Furthermore, the shaft shoulders of the first section and the second section of the positioning mandrel are positioning platforms.
The utility model has the advantages that: the welding fixture can meet the processing requirements of two procedures of the gear shifting shaft assembly, saves the production cost and improves the efficiency.
Drawings
FIG. 1 is a front view structure diagram of a comprehensive welding fixture for a shift shaft assembly.
FIG. 2 is a schematic structural diagram of a comprehensive welding fixture for a shift shaft assembly in a top view.
Fig. 3 is a schematic structural view of the shift shaft assembly.
Fig. 4 is a schematic view of a positioning mandrel configuration.
Fig. 5 is a top view of fig. 4.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments and accompanying drawings.
A comprehensive welding fixture for a gear shifting shaft assembly shown in figures 1 to 5 comprises a bottom plate 1, wherein the bottom plate 1 is circular, a central positioning hole 1-1 is formed in the center of the bottom plate, a positioning core shaft 4 is arranged on the bottom plate 1, a ball head positioning seat 2 is arranged on the right side of the positioning core shaft 4, a finger shifting positioning seat 6 is arranged on the left side of the positioning core shaft 4, a horizontally arranged guide hole is formed in the upper end of the ball head positioning seat 2, a positioning shaft 3 is arranged in the guide hole, a positioning part at the front end of the positioning shaft 3 is spherical, and a handle is arranged at the rear end of the positioning shaft; a finger-pulling positioning block 5 is arranged at the upper end of the finger-pulling positioning seat 6, a positioning groove 5-1 which is through from front to back is arranged at the front end of the finger-pulling positioning block 5, the positioning groove 5-1 is a trapezoidal groove, and the inclination of the upper side surface and the lower side surface of the trapezoidal groove is 1 degree 28'; the positioning core shaft 4 is a four-section stepped shaft, a positioning hole 4-1 is arranged in the axial center, the first section is provided with two vertical positioning planes 4-2 which are parallel to each other, the second section of shaft neck is larger than the first section of shaft neck, the third section is a boss 4-3 with the largest shaft neck, a plurality of axial stepped holes 4-4 which are uniformly distributed along the same circumference are arranged on the boss 4-3, and the fourth section is a positioning cylinder 4-5 with the smallest shaft neck and is matched with the central positioning hole 1-1 on the bottom plate 1.
Furthermore, a positioning hole 4-1 on the positioning mandrel 4 is a stepped blind hole.
Further, the shaft shoulders of the first section and the second section of the positioning mandrel 4 are positioning platforms.
The production development time to the new product of gear shift axle assembly is short, the high characteristics of quality requirement, adopts computer-aided manufacturing processing, reuses this anchor clamps and accomplishes the welding of gear shift axle assembly twice process, has not only accelerated the production development progress of this new product, still greatly reduced production development cost, through the utility model discloses well welding jig's implementation, better satisfied the development production demand of new product. The utility model discloses a welding jig, the positioning groove 5-1 of its thumb wheel locating piece 5 front end, with the spherical location portion of 3 front ends of location axle, all be used for the circumference location of selector shaft assembly, the axle of selector shaft assembly inserts in 4-1 locating holes of positioning core axle 4, the terminal surface is fixed a position on 4-2 the location plane of positioning core axle 4, simple to operate, the location is accurate.
The technical solutions provided by the embodiments of the present invention are described in detail above, and the principles and embodiments of the present invention are explained herein by using specific examples, and the descriptions of the above embodiments are only applicable to help understand the principles of the embodiments of the present invention; meanwhile, for a person skilled in the art, according to the embodiments of the present invention, there may be variations in the specific implementation manners and application ranges, and in summary, the content of the description should not be construed as a limitation to the present invention.
Claims (3)
1. The utility model provides a welding jig is synthesized to selector shaft assembly which characterized in that: the positioning device comprises a bottom plate (1), wherein the bottom plate (1) is circular, a central positioning hole (1-1) is formed in the center of the bottom plate, a positioning mandrel (4) is arranged on the bottom plate (1), a ball head positioning seat (2) is arranged on the right side of the positioning mandrel (4), a finger-pulling positioning seat (6) is arranged on the left side of the positioning mandrel, a horizontally arranged guide hole is formed in the upper end of the ball head positioning seat (2), a positioning shaft (3) is arranged in the guide hole, a positioning part at the front end of the positioning shaft (3) is spherical, and a handle is arranged at the rear end of the positioning shaft; a finger-pulling positioning block (5) is arranged at the upper end of the finger-pulling positioning seat (6), a positioning groove (5-1) which is through from front to back is arranged at the front end of the finger-pulling positioning block (5), the positioning groove (5-1) is a trapezoidal groove, and the inclination of the upper side surface and the lower side surface of the positioning groove is 1-2 degrees; the positioning core shaft (4) is a four-section stepped shaft, a positioning hole (4-1) is formed in the axial center, the first section is provided with two vertical positioning planes (4-2) which are parallel to each other, the second section of shaft neck is larger than the first section of shaft neck, the third section of shaft neck is a boss (4-3) with the largest shaft neck, a plurality of axial stepped holes (4-4) which are uniformly distributed along the same circumference are formed in the boss (4-3), the fourth section of positioning cylinder (4-5) with the smallest shaft neck is formed in the fourth section of positioning cylinder, and the positioning cylinder (4-5) is matched with the central positioning hole (1-1) in the bottom plate (1).
2. The comprehensive welding fixture for the shift shaft assembly as recited in claim 1, wherein: the positioning hole (4-1) on the positioning mandrel (4) is a stepped blind hole.
3. The comprehensive welding fixture for the shift shaft assembly as recited in claim 1, wherein: the shaft shoulders of the first section and the second section of the positioning mandrel (4) are positioning platforms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120509931.XU CN214769657U (en) | 2021-03-10 | 2021-03-10 | Comprehensive welding fixture for gear shifting shaft assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120509931.XU CN214769657U (en) | 2021-03-10 | 2021-03-10 | Comprehensive welding fixture for gear shifting shaft assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214769657U true CN214769657U (en) | 2021-11-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120509931.XU Active CN214769657U (en) | 2021-03-10 | 2021-03-10 | Comprehensive welding fixture for gear shifting shaft assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214769657U (en) |
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2021
- 2021-03-10 CN CN202120509931.XU patent/CN214769657U/en active Active
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