CN222021108U - A jig for processing extremely thin-walled parts - Google Patents
A jig for processing extremely thin-walled parts Download PDFInfo
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- CN222021108U CN222021108U CN202323618309.0U CN202323618309U CN222021108U CN 222021108 U CN222021108 U CN 222021108U CN 202323618309 U CN202323618309 U CN 202323618309U CN 222021108 U CN222021108 U CN 222021108U
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- mandrel
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- extremely thin
- wall
- processing
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- 230000000694 effects Effects 0.000 abstract description 3
- 230000005856 abnormality Effects 0.000 abstract 1
- 230000002159 abnormal effect Effects 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Jigs For Machine Tools (AREA)
Abstract
本实用新型提供了一种极薄壁零件加工用治具，其可以对上述特殊形状的零件进行装夹固定，装夹固定效果好，有效防止擦伤等异常，并且可以方便对极薄壁外周进行精确加工，保证加工质量。其包括底座和芯轴，芯轴底部插装于底座的中部位置与其固定连接，底座上端设有与零件的下端相匹配的安装槽，芯轴的上端伸入零件的空腔内部，芯轴的外部对应零件薄壁的位置处套装有弹性套，芯轴的上端端部设有第一螺纹孔，弹性套上对应第一螺纹孔位置处设有连接孔，第一定位螺栓穿过连接孔与第一螺纹孔螺纹连接。
The utility model provides a jig for processing extremely thin-walled parts, which can clamp and fix the above-mentioned parts of special shapes, has good clamping and fixing effects, effectively prevents abnormalities such as scratches, and can conveniently perform precise processing on the outer periphery of extremely thin walls to ensure processing quality. It includes a base and a mandrel, the bottom of the mandrel is inserted into the middle position of the base and fixedly connected with it, the upper end of the base is provided with a mounting groove matching the lower end of the part, the upper end of the mandrel extends into the cavity of the part, the outer part of the mandrel is provided with an elastic sleeve at a position corresponding to the thin wall of the part, the upper end of the mandrel is provided with a first threaded hole, and the elastic sleeve is provided with a connection hole at a position corresponding to the first threaded hole, and a first positioning bolt passes through the connection hole and is threadedly connected with the first threaded hole.
Description
Technical Field
The utility model relates to the technical field of tool jigs, in particular to a jig for processing an extremely thin-wall part.
Background
As shown in fig. 1, the ultra-thin wall part comprises a cylindrical thin wall at the upper end and a base at the lower end, wherein annular outer edges are arranged at two ends of the base, and the thickness of the cylindrical thin wall at the upper end of the part is less than or equal to 0.1mm, the thickness Ra0.1 of the hole surface of the inner wall of the part, and the dimensional precision and roundness precision of the inner wall and the outer wall of the thin wall are required to be 0.01mm. However, in the processing process, the cylindrical thin wall of the part is very thin and easy to deform, the processing precision requirement is high, when the traditional transmission core rod type jig is adopted for processing, the part is easy to scratch, and meanwhile, the gap is too large, so that the best clamping effect is difficult to play, and the part is easy to discard due to the fact that the dimensional tolerance is out of tolerance during processing.
Disclosure of utility model
Aiming at the problems that the traditional jig is difficult to accurately clamp the parts and is easy to scratch or discard due to the out-of-tolerance of the dimensional tolerance during processing, the utility model provides the jig for processing the extremely thin-wall parts, which can clamp and fix the parts with special shapes, has good clamping and fixing effects, effectively prevents the abnormal phenomena such as scratch and the like, can conveniently and accurately process the peripheries of the extremely thin walls, and ensures the processing quality.
The technical scheme is as follows: the utility model provides a tool is used in processing of extremely thin wall part which characterized in that: the device comprises a base and a mandrel, wherein the bottom of the mandrel is inserted into the middle of the base and is fixedly connected with the middle, the upper end of the base is provided with a mounting groove matched with the lower end of a part, the upper end of the mandrel stretches into the cavity of the part, an elastic sleeve is sleeved at the position, corresponding to the thin wall of the part, of the mandrel, a first threaded hole is formed in the end part of the upper end of the mandrel, a connecting hole is formed in the position, corresponding to the first threaded hole, of the elastic sleeve, and a first positioning bolt penetrates through the connecting hole and is in threaded connection with the first threaded hole.
It is further characterized by: the two ends of the base are provided with second threaded holes corresponding to the positions of the through holes on the outer edge of the part, and second positioning bolts penetrate through the through holes on the part and are in threaded connection with the second threaded holes on the base;
the position of the mandrel corresponding to the part thin wall is tapered, the outer diameter of the mandrel is gradually reduced from bottom to top, and the inner wall of the elastic sleeve is a tapered inner wall matched with the taper of the mandrel.
After the structure is adopted, the lower end of the part is inserted into the mounting groove of the base, the mandrel connected with the base extends out of the extremely thin inner wall of the part, and the elastic sleeve is sleeved outside the mandrel and is in contact with the extremely thin inner wall, so that the elastic sleeve is screwed and fixed through the first positioning bolt, the extremely thin inner wall of the part is supported and protected through the elastic sleeve, and therefore external grinding equipment can finish the extremely thin outer wall of the part conveniently, abnormal phenomena such as scratch of the part can be effectively prevented, and meanwhile, the processing quality can be guaranteed.
Drawings
FIG. 1 is a schematic structural view of a part;
FIG. 2 is a schematic view of the structure of the utility model fastened to a part;
FIG. 3 is a schematic view of the structure of the base of the present utility model;
FIG. 4 is a schematic view of the structure of the mandrel of the present utility model;
Fig. 5 is a schematic view of the structure of the spring housing of the present utility model.
Detailed Description
As shown in fig. 2 to 5, the jig for processing the extremely thin-wall part comprises a base 1 and a mandrel 2, wherein the lower end of the mandrel 2 is inserted into the middle position of the base 1 and fixedly connected through a welding mode, the upper end of the base 1 is provided with a mounting groove matched with the lower end of a part 4, the upper end of the mandrel 2 stretches into an inner cavity of the part 4, the position, corresponding to the thin wall of the part 4, of the mandrel 2 is in a gradually reduced conical shape, the outer diameter of the mandrel 2 is gradually reduced from bottom to top, the thin wall position, corresponding to the part 4, of the mandrel 2 is sleeved with an elastic sleeve 3, the inner wall of the elastic sleeve 3 is a conical inner wall matched with the conical position of the mandrel 2, the upper end of the mandrel 2 is provided with a first threaded hole 21, the position, corresponding to the first threaded hole 21, of the elastic sleeve 3 is provided with a connecting hole, and a first positioning bolt 5 penetrates through the connecting hole and is in threaded connection with the first threaded hole 21. Second threaded holes 11 are formed in the positions, corresponding to the through holes in the annular outer edges of the parts 4, of the two ends of the base 1, and second positioning bolts 12 penetrate through the through holes in the parts 4 and are in threaded connection with the second threaded holes 11 in the base 1.
The working principle of the utility model is as follows:
The base 1 and the mandrel 2 of the jig are assembled together through thermal expansion, then welded and fixed, then finish machining is performed to ensure that the inclination and the excircle of the head of the mandrel 2 are concentric, a part 4 is installed, the part is fixedly connected with a second threaded hole 11 through a second positioning bolt 12 in a threaded manner, then the part is sleeved into a spring sleeve 3, the spring sleeve 3 is in a natural shrinkage state, and the spring sleeve 3 is tightly attached to the inner wall of the part 4 through screwing in a first positioning bolt 5, so that proper clamping and pretightening force are provided. After the thin-wall outside of the part 4 is machined, the first positioning bolt 5 is loosened firstly, the spring sleeve 3 returns to nature, the part can be taken out, the second positioning bolt 12 is loosened, and the part 4 is taken down, so that the machining is completed.
The present utility model is not limited to the above-mentioned embodiments, and any changes or substitutions that can be easily understood by those skilled in the art within the scope of the present utility model are intended to be included in the scope of the present utility model. Therefore, the protection scope of the present utility model should be subject to the protection scope of the claims.
Claims (3)
1. The utility model provides a tool is used in processing of extremely thin wall part which characterized in that: the device comprises a base and a mandrel, wherein the bottom of the mandrel is inserted into the middle of the base and is fixedly connected with the middle, the upper end of the base is provided with a mounting groove matched with the lower end of a part, the upper end of the mandrel stretches into the cavity of the part, an elastic sleeve is sleeved at the position, corresponding to the thin wall of the part, of the mandrel, a first threaded hole is formed in the end part of the upper end of the mandrel, a connecting hole is formed in the position, corresponding to the first threaded hole, of the elastic sleeve, and a first positioning bolt penetrates through the connecting hole and is in threaded connection with the first threaded hole.
2. The jig for processing an extremely thin-walled part according to claim 1, wherein: and second threaded holes are formed at the two ends of the base corresponding to the positions of the through holes on the outer edge of the part, and the second positioning bolts penetrate through the through holes on the part and are in threaded connection with the second threaded holes on the base.
3. The jig for processing an extremely thin-walled part according to claim 1, wherein: the position of the mandrel corresponding to the part thin wall is tapered, the outer diameter of the mandrel is gradually reduced from bottom to top, and the inner wall of the elastic sleeve is a tapered inner wall matched with the taper of the mandrel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323618309.0U CN222021108U (en) | 2023-12-29 | 2023-12-29 | A jig for processing extremely thin-walled parts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323618309.0U CN222021108U (en) | 2023-12-29 | 2023-12-29 | A jig for processing extremely thin-walled parts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222021108U true CN222021108U (en) | 2024-11-19 |
Family
ID=93438943
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323618309.0U Active CN222021108U (en) | 2023-12-29 | 2023-12-29 | A jig for processing extremely thin-walled parts |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222021108U (en) |
-
2023
- 2023-12-29 CN CN202323618309.0U patent/CN222021108U/en active Active
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