CN213915551U - Frock is rectified in car front axle distortion - Google Patents
Frock is rectified in car front axle distortion Download PDFInfo
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- CN213915551U CN213915551U CN202022950933.0U CN202022950933U CN213915551U CN 213915551 U CN213915551 U CN 213915551U CN 202022950933 U CN202022950933 U CN 202022950933U CN 213915551 U CN213915551 U CN 213915551U
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- front axle
- fist
- automobile
- neck
- support block
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Abstract
An automobile front axle distortion correction tool comprises a bottom plate, a fist supporting block, a neck supporting block and two clamping tools; the clamping tool comprises a lower base and an upper pressing block, wherein corresponding threaded holes are formed in two end parts of the lower base and the upper pressing block and are fixed through stud bolts and nuts arranged in the threaded holes, and positioning grooves matched with the shape of the plate spring part are formed in the opposite surfaces of the lower base and the upper pressing block; the two ends of the upper end surface of the fist supporting block are provided with first arc chamfers, the middle part of the upper end surface is recessed into an arc surface matched with the outside of the fist part of the front axle of the automobile to be calibrated, and the distance from the lowest point of the arc surface to the bottom of the fist supporting block is h 1; the upper end surface of the neck support block is attached to the neck part of the automobile front axle to be calibrated; the two clamping tools are fixed on two end parts of the bottom plate side by side, the neck support block is positioned right below the neck part to be corrected, and the fist support block and the neck support block are positioned at the same end and are opposite to the fist part; can effectively adjust and calibrate the neck part and reduce the production cost simultaneously.
Description
Technical Field
The utility model relates to an automobile parts processing technology field, concretely relates to frock is rectified in car front axle distortion.
Background
The front axle is one of the main structures of the automobile, and the finished product is called a front axle assembly which is positioned at the front part of the automobile, is used for mounting front wheels, supports the weight of the front part of the automobile and is connected with a frame by a front suspension. In addition to bearing the weight of the automobile, the automobile also bears the vertical load between the ground and the frame, the braking force, the lateral force, the bending moment caused by the lateral force and the like, and the automobile is steered by driving the front wheels to wind the main pin by using the steering knuckle. Meanwhile, the front axle of the automobile is used as a security part, and the machining accuracy of the front axle determines the assembly performance of the steering system of the whole automobile, so that an effective means is needed for ensuring the machining quality of products.
At present, the front axle is produced by adopting a roller die forging composite process to manufacture a front axle blank, and a forged piece is an object which is subjected to pressure by metal and forms a required shape and a proper compression force by plastic deformation. Compared with a casting, the microstructure and the mechanical property of the metal can be improved after forging processing. The front axle forging blank is subjected to quenching and tempering heat treatment after being forged and deformed, original thick dendrite and columnar crystal grains are changed into equiaxed recrystallized structures with fine crystal grains and uniform sizes due to metal deformation and recrystallization, the neck part of the front axle of the automobile can be distorted due to the release of internal stress, no tool for cold correction aiming at neck distortion exists at present, the blank is scrapped, and the production cost is increased.
Disclosure of Invention
An object of the utility model is to solve prior art not enough to a frock is rectified in car front axle distortion is provided, can effectually carry out timing, reduction in production cost to the neck position.
The utility model provides a frock is rectified in car front axle distortion, sets up on the base of press, its characterized in that: the device comprises a bottom plate, a fist support block for supporting a fist part of a front axle of an automobile to be calibrated, a neck support block for supporting a neck part of the front axle of the automobile to be calibrated, and two clamping tools for respectively positioning and clamping two plate spring parts of the front axle of the automobile to be calibrated; the clamping tool comprises a lower base and an upper pressing block, wherein corresponding threaded holes are formed in two end parts of the lower base and the upper pressing block and are fixed through stud bolts and nuts arranged in the threaded holes, and positioning grooves matched with the shape of the plate spring part are formed in the opposite surfaces of the lower base and the upper pressing block; the two ends of the upper end surface of the fist supporting block are provided with first arc chamfers, the middle part of the upper end surface is recessed into an arc surface matched with the outside of the fist part of the front axle of the automobile to be calibrated, and the distance from the lowest point of the arc surface to the bottom of the fist supporting block is h 1; the upper end surface of the neck support block is attached to the neck part of the automobile front axle to be calibrated;
two clamp fixtures are fixed on the two end portions of the bottom plate side by side, the neck support block is located under the neck portion needing to be corrected, and the fist support block and the neck support block are located at the same end and are right opposite to the fist portion.
Two ends of the upper end face of the neck support block are provided with a second arc chamfer.
The radius of the circle where the circular arc chamfer II is positioned is 45 degrees.
The radius of the circle where the circular arc chamfer I is located is R1, and R1 is 45 degrees.
Four corners of the bottom plate are provided with a positioning mounting hole.
And the two clamping tools are welded on the bottom plate.
The vertical distance from a connecting line between the central point A and the central point B of the two clamping tools to the bottom plate is H, and H is equal to H1 plus the radius of the fist head.
The utility model has the advantages that: compared with the prior art, the utility model can effectively adjust the neck part, prevent the waste of materials and reduce the production cost; and simultaneously, the productivity is improved.
Drawings
FIG. 1 is a schematic view of a lower base fixed on a bottom plate;
FIG. 2 is a schematic diagram of the structure of an upper pressing block;
FIG. 3 is a schematic structural view of a clamping tool for fixing a plate spring part;
FIG. 4 is a schematic structural diagram of a fist rest;
FIG. 5 is a schematic view of the position of the neck support block and the neck portion;
FIG. 6 is a front view of the present invention;
fig. 7 is a top view of the present invention;
in the figure: 1. a base plate; 2. a front axle of the automobile to be calibrated; 3. clamping the tool; 4. a fist rest block; 5. a neck support block; 6. a lower base; 7. pressing the blocks; 8. a plate spring portion; 9. the head of a fist; 10. a neck portion; 11. and positioning the mounting hole.
Detailed Description
The following examples are presented to illustrate certain embodiments of the invention and should not be construed as limiting the scope of the invention. The present disclosure may be modified from materials, methods, and reaction conditions at the same time, and all such modifications are intended to be within the spirit and scope of the present disclosure.
In fig. 1, 2 and 3, the clamping tool 3 is used for positioning and clamping a plate spring part 8 of a front axle 2 of an automobile to be calibrated, the clamping tool 3 comprises a lower base 6 and an upper pressing block 7, corresponding threaded holes are formed in two end parts of the lower base 6 and the upper pressing block 7, the lower base and the upper pressing block are fixed through stud bolts and nuts arranged in the threaded holes, and positioning grooves matched with the shape of the plate spring part 8 are formed in the opposite surfaces of the lower base 6 and the upper pressing block 7.
In fig. 4, the fist piece 4 is used for supporting the fist part 9 of the front axle 2 of the automobile to be checked, the two ends of the upper end face of the fist piece 4 are provided with a first arc chamfer, the radius of the circle where the first arc chamfer is located is R1, R1 is 45 degrees, the middle part of the upper end face is recessed into an arc surface matched with the outside of the fist part 9 of the front axle 2 of the automobile to be checked, and the distance from the arc surface to the bottom of the fist piece 4 is h 1.
In fig. 5, the neck rest 5 is used for supporting the neck part 10 of the front axle 2 of the automobile to be calibrated, and the upper end surface of the neck rest 5 is attached to the neck part 10 of the front axle 2 of the automobile to be calibrated; two ends of the upper end face of the neck support block 5 are provided with a second arc chamfer, and the radius of the circle where the second arc chamfer is located is 45 degrees.
In fig. 6 and 7, two clamping tools 3 are fixed on two end parts of a bottom plate 1 side by side, a lower base 6 of the two clamping tools 3 is fixed with the bottom plate 1 in a welding way, the vertical distance between a connecting line between a central point a and a central point B of the two clamping tools 3 and the bottom plate 1 is H, and H is equal to the radius of H1 plus a fist part 9; arrange fist piece 4 and neck piece 5 simultaneously on the bottom plate, neck piece 5 is located the neck portion that needs the correction under, and fist piece 4 and neck piece 5 are located same end, and just right with fist portion.
When the tool is used, the tool is fixedly connected with a base of a press machine through four bolts, then an upper pressing block 7 of a clamping tool 3 is detached, an automobile front shaft 2 to be calibrated is placed on two lower bases 6, two plate spring parts 8 of the automobile front shaft 2 to be calibrated are guaranteed to be opposite to the lower bases 6, a neck part 10 to be calibrated corresponds to a neck supporting block 5, a fist supporting block 4 corresponds to a fist part 9, and after positioning, the two upper pressing blocks 7 are respectively arranged on the lower bases 6 so as to fix the automobile front shaft 2 to be calibrated; because the neck part 10 is twisted, one end part of the fist part 9 is twisted and tilted, after the front axle 2 of the automobile to be corrected is fixed, the press is started to provide a local downward force to the tilted side of the fist part 9, so that the fist part 10 is rotated and twisted with the fist part, and the correction work is completed.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can substitute or change the technical solution and the inventive concept of the present invention within the technical scope of the present invention.
Claims (7)
1. The utility model provides a frock is rectified in car front axle distortion, sets up on the base of press, its characterized in that: the device comprises a bottom plate (1), a fist support block (4) for supporting a fist part (9) of a front axle (2) of the automobile to be calibrated, a neck support block (5) for supporting a neck part (10) of the front axle (2) of the automobile to be calibrated, and two clamping tools (3) for respectively positioning and clamping two plate spring parts (8) of the front axle (2) of the automobile to be calibrated; the clamping tool (3) comprises a lower base (6) and an upper pressing block (7), corresponding threaded holes are formed in two end parts of the lower base (6) and the upper pressing block (7) and are fixed through stud bolts and nuts arranged in the threaded holes, and positioning grooves matched with the shapes of the plate spring parts (8) are formed in the opposite surfaces of the lower base (6) and the upper pressing block (7); the two ends of the upper end face of the fist supporting block (4) are provided with first arc chamfers, the middle part of the upper end face is recessed into an arc face matched with the outer part of a fist part (9) of the front axle (2) of the automobile to be calibrated, and the distance from the lowest point of the arc face to the bottom of the fist supporting block (4) is h 1; the upper end surface of the neck support block (5) is attached to a neck part (10) of the automobile front shaft (2) to be calibrated;
two clamping tools (3) are fixed on two end parts of the bottom plate (1) side by side, the neck support block (5) is located under the neck part needing to be corrected, and the fist support block (4) and the neck support block (5) are located at the same end and are right opposite to the fist part.
2. The automobile front axle distortion correcting tool according to claim 1, characterized in that: two ends of the upper end surface of the neck support block (5) are provided with a second arc chamfer.
3. The automobile front axle distortion correcting tool according to claim 2, characterized in that: the radius of the circle where the circular arc chamfer II is positioned is 45 degrees.
4. The automobile front axle distortion correcting tool according to claim 1, characterized in that: the radius of the circle where the circular arc chamfer I is located is R1, and R1 is 45 degrees.
5. The automobile front axle distortion correcting tool according to claim 1, characterized in that: four corners of the bottom plate (1) are provided with a positioning mounting hole (11).
6. The automobile front axle distortion correcting tool according to claim 1, characterized in that: the two clamping tools (3) are welded on the bottom plate (1).
7. The automobile front axle distortion correcting tool according to claim 1, characterized in that: the vertical distance between a connecting line between the central point A and the central point B of the two clamping tools (3) and the bottom plate (1) is H, and H is equal to the radius of H1 punch heads (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022950933.0U CN213915551U (en) | 2020-12-08 | 2020-12-08 | Frock is rectified in car front axle distortion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022950933.0U CN213915551U (en) | 2020-12-08 | 2020-12-08 | Frock is rectified in car front axle distortion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213915551U true CN213915551U (en) | 2021-08-10 |
Family
ID=77150234
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022950933.0U Active CN213915551U (en) | 2020-12-08 | 2020-12-08 | Frock is rectified in car front axle distortion |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213915551U (en) |
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2020
- 2020-12-08 CN CN202022950933.0U patent/CN213915551U/en active Active
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