CN213258321U - Car minor axis turning tool - Google Patents
Car minor axis turning tool Download PDFInfo
- Publication number
- CN213258321U CN213258321U CN202022117312.4U CN202022117312U CN213258321U CN 213258321 U CN213258321 U CN 213258321U CN 202022117312 U CN202022117312 U CN 202022117312U CN 213258321 U CN213258321 U CN 213258321U
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- connecting seat
- positioning block
- clamping
- hole
- mandrel
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Abstract
The utility model relates to an auto-parts processing technology field, in particular to car minor axis turning tool, include: the connecting seat is internally provided with a shaft hole; the mandrel is movably connected to the shaft hole, and one end of the mandrel is conical or round; the positioning block is connected to one end of the shaft hole of the connecting seat, and a cavity is formed in the positioning block; the clamping ring is of a structure with a circular ring-shaped radial section and composed of more than 3 clamping blocks with the same shape and fan-shaped radial sections, and a conical hole or a circular truncated cone hole with the same taper as one end of the mandrel is formed in the inner side of the clamping ring; and the circular spring is sleeved outside the clamping ring. The clamping device has the advantages of simple and compact structure, convenience and quickness in use, capability of simultaneously finishing the processing of the appearance of the whole short shaft by one-time clamping, capability of effectively avoiding clamping deformation, and high and stable clamping precision.
Description
Technical Field
The utility model relates to an auto-parts processing technology field, in particular to car minor axis turning tool.
Background
The automobile short shaft belongs to one of important component parts in an automobile transmission system, is usually welded with a hollow shaft tube into a whole transmission shaft through a friction compression joint process after being processed and formed, and meets the requirement of light weight of an automobile. In order to ensure the coaxiality of the whole transmission shaft formed by friction compression joint, reduce the centrifugal force and improve the riding comfort, the coaxiality of an inner hole and an outer spline of the transmission shaft is controlled as necessary when the automobile short shaft is manufactured.
The conventional machining process is that the inner hole of the automobile short shaft is directly clamped by the soft claw, the soft claw is easy to wear, the three-point type clamping precision is not high, the wall thickness of the short shaft is usually thin, and the short shaft is easy to deform due to overlarge clamping force. The turning jig for the automobile short shaft can be attached to an inner hole of the short shaft in a whole circle, clamping deformation can be effectively avoided, clamping accuracy is high and stable, quality is guaranteed, and production efficiency is improved.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: the automobile short shaft turning jig can effectively avoid clamping deformation and is high and stable in clamping precision.
In order to solve the technical problem, the utility model discloses a technical scheme be:
an automobile short shaft turning jig comprises:
the connecting seat is internally provided with a shaft hole;
the mandrel is movably connected to the shaft hole, and one end of the mandrel is conical or round;
the positioning block is connected to one end of the shaft hole of the connecting seat, and a cavity is formed in the positioning block;
the clamping ring is of a structure with a circular ring-shaped radial section and composed of more than 3 clamping blocks with the same shape and fan-shaped radial sections, and a conical hole or a circular truncated cone hole with the same taper as one end of the mandrel is formed in the inner side of the clamping ring;
and the circular spring is sleeved outside the clamping ring.
The positioning device further comprises a hydraulic pull rod, and the hydraulic pull rod is connected to one end, far away from the positioning block, of the mandrel.
The positioning device comprises a connecting seat, a positioning block, a chuck, a lathe spindle and a positioning block, and is characterized by further comprising the chuck and the lathe spindle, wherein the chuck is connected to one end, away from the positioning block, of the connecting seat, and one end, away from the connecting seat, of the chuck is connected to the lathe spindle.
Wherein, the locating piece passes through the screw fixation in connecting seat.
The positioning block is internally provided with three sections of inner holes, the first section of inner holes of the three sections of inner holes are in limit fit with one end, close to the connecting seat, of the clamping ring, the second section of inner holes are in fit with the circular spring, the third section of inner holes are in fit with one end, far away from the connecting seat, of the positioning block, and the diameters of the first section of inner holes, the second section of inner holes and the third section of inner holes are sequentially reduced.
The beneficial effects of the utility model reside in that: the utility model relates to a car minor axis turning tool has simple structure compactness, it is convenient to use, and the processing of whole minor axis appearance can be accomplished simultaneously to a clamping, and whole circle centre gripping minor axis hole has ensured the axiality of hole and appearance and spline, and the centre gripping laminating degree is high, can effectively avoid the centre gripping to warp, and the centre gripping stability is good, is favorable to improving minor axis machining efficiency and quality, can design according to the minor axis of different grade type is nimble, extensive applicability.
Drawings
Fig. 1 is a schematic structural view of an automobile short shaft turning jig according to an embodiment of the present invention;
fig. 2 is an axial view of an automobile short shaft turning jig according to an embodiment of the present invention;
fig. 3 is a radial view of a clamp ring of the minor axis turning jig according to the embodiment of the present invention;
fig. 4 is an axial view of a clamp ring of the minor axis turning jig according to the embodiment of the present invention;
description of reference numerals:
1. a connecting seat; 2. a mandrel; 3. positioning blocks; 31. a first section of inner bore; 32. a second section of inner hole; 33. a third section of inner bore; 4. a clamp ring; 41. a clamping block; 5. a circular spring; 6. a minor axis; 7. a hydraulic pull rod; 8. a chuck; 9. a lathe spindle.
Detailed Description
In order to explain the technical content, the objects and the effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
Referring to fig. 1 to 4, the utility model relates to a car minor axis 6 turning tool, including:
the connecting device comprises a connecting seat 1, wherein a shaft hole is formed in the connecting seat 1;
the mandrel 2 is movably connected to the shaft hole, and one end of the mandrel 2 is conical or circular truncated cone in shape;
the positioning block 3 is connected to one end of the shaft hole of the connecting seat 1, and a cavity is formed in the positioning block 3;
the clamping ring 4 is of a structure with a circular ring-shaped radial section and composed of more than 3 clamping blocks 41 with the same shape and fan-shaped radial sections, and a conical hole or a circular truncated cone hole with the same taper as one end of the mandrel 2 is formed in the inner side of the clamping ring 4;
and the circular spring 5 is sleeved on the outer side of the clamping ring 4.
In the turning jig structure for the automobile short shaft 6, the mandrel 2 is axially moved in the shaft hole of the connecting seat 1, so that a cone or a circular truncated cone at one end of the mandrel 2 is matched with a cone hole or a circular truncated cone hole at the inner side of the clamping ring 4, when the short shaft 6 is cut, the mandrel 2 is firstly controlled to move towards the direction away from the clamping ring 4, so that the mandrel 2 is separated from the clamping ring 4, an inner hole at one end of the short shaft 6 is sleeved into the clamping ring 4, after the bottom surface of the short shaft 6 is contacted with the end surface of the positioning block 3, the mandrel 2 is controlled to move towards the clamping ring 4, so that one end of the mandrel 2 with the cone or the circular truncated cone is propped against the cone hole or the circular truncated cone hole of the clamping ring 4, the clamping block 41 is propped outwards, so as to clamp the inner hole of the short shaft 6, after the short shaft 6 is cut, the mandrel 2 retracts, so, the processed short shaft 6 is convenient to take down.
Above-mentioned car minor axis 6 turning tool has simple structure compactness, and it is convenient to use, and the processing of whole minor axis 6 appearance can be accomplished simultaneously to a clamping, and the axiality of hole and appearance and spline has been ensured to 6 holes of full circle centre gripping minor axis, and the centre gripping laminating degree is high, can effectively avoid the centre gripping to warp, and the centre gripping stability is good, is favorable to improving 6 machining efficiency of minor axis and quality, can design according to the 6 flexiblely of minor axis of different grade type, and extensive applicability is extensive.
Furthermore, in the turning jig structure for the automobile short shaft 6, the turning jig structure further comprises a hydraulic pull rod 7, and the hydraulic pull rod 7 is connected to one end, far away from the positioning block 3, of the mandrel 2.
As can be seen from the above description, the axial movement of the mandrel 2 along the shaft hole of the connecting base 1 is controlled by the hydraulic pull rod 7.
Further, among the above-mentioned 6 turning tool structures of car minor axis, still include chuck 8 and lathe spindle 9, chuck 8 is connected in the one end that connecting seat 1 kept away from locating piece 3, the one end that connecting seat 1 was kept away from to chuck 8 is connected in lathe spindle 9.
The structure enables the mandrel 2 to move more stably along the axial direction of the shaft hole of the connecting seat 1, so that the clamping ring 4 can better center and clamp the short shaft 6.
Furthermore, in the turning jig structure for the automobile short shaft 6, the positioning block 3 is fixed on the connecting seat 1 through a screw.
Known from the above description, connecting seat 1 sets up the thread hole, and locating piece 3 sets up the corresponding thread hole, prescribes locating piece 3 in connecting seat 1 through the screw, and the structure is firm, makes things convenient for the dismouting.
Further, in the turning jig structure for the automobile short shaft 6, three sections of inner holes are arranged in the positioning block 3, a first section of inner hole 31 of each of the three sections of inner holes is in limit fit with one end, close to the connecting seat 1, of the clamping ring 4, a second section of inner hole 32 is in fit with the circular spring 5, a third section of inner hole 33 is in fit with one end, far away from the connecting seat 1, of the positioning block 3, and the diameters of the first section of inner hole 31, the second section of inner hole 32 and the third section of inner hole 33 are.
As can be seen from the above description, the three sections of inner holes can limit the moving range of the clamping ring 4 and simultaneously prevent iron chips from entering the inner hole of the positioning block 3.
Example 1
A car minor axis 6 turning tool includes: the connecting device comprises a connecting seat 1, wherein a shaft hole is formed in the connecting seat 1; the mandrel 2 is movably connected to the shaft hole, and one end of the mandrel 2 is conical or circular truncated cone in shape; the positioning block 3 is connected to one end of the shaft hole of the connecting seat 1, and a cavity is formed in the positioning block 3; the clamping ring 4 is of a structure with a circular ring-shaped radial section and composed of more than 3 clamping blocks 41 with the same shape and fan-shaped radial sections, and a conical hole or a circular truncated cone hole with the same taper as one end of the mandrel 2 is formed in the inner side of the clamping ring 4; and the circular spring 5 is sleeved on the outer side of the clamping ring 4. The positioning device further comprises a hydraulic pull rod 7, and the hydraulic pull rod 7 is connected to one end, far away from the positioning block 3, of the mandrel 2. Still include chuck 8 and lathe spindle 9, chuck 8 is connected in the one end that connecting seat 1 kept away from locating piece 3, the one end that connecting seat 1 was kept away from to chuck 8 is connected in lathe spindle 9. The positioning block 3 is fixed on the connecting seat 1 through a screw. The positioning block 3 is internally provided with three sections of inner holes, a first section of inner hole 31 of the three sections of inner holes is in limit fit with one end, close to the connecting seat 1, of the clamping ring 4, a second section of inner hole 32 is in fit with the circular spring 5, a third section of inner hole 33 is in fit with one end, far away from the connecting seat 1, of the positioning block 3, and the diameters of the first section of inner hole 31, the second section of inner hole 32 and the third section of inner hole 33 are sequentially reduced.
To sum up, the utility model provides a car minor axis turning tool has simple structure compactness, uses conveniently, and the processing of whole minor axis appearance can be accomplished simultaneously to a clamping, and whole circle centre gripping minor axis hole has ensured the axiality of hole and appearance and spline, and the centre gripping laminating degree is high, can effectively avoid the centre gripping to warp, and the centre gripping stability is good, is favorable to improving minor axis machining efficiency and quality, can design according to the minor axis of different grade type is nimble, and extensive applicability is general.
The above mentioned is only the embodiment of the present invention, and not the limitation of the patent scope of the present invention, all the equivalent transformations made by the contents of the specification and the drawings, or the direct or indirect application in the related technical field, are included in the patent protection scope of the present invention.
Claims (5)
1. The utility model provides an automobile short shaft turning tool which characterized in that includes:
the connecting seat is internally provided with a shaft hole;
the mandrel is movably connected to the shaft hole, and one end of the mandrel is conical or round;
the positioning block is connected to one end of the shaft hole of the connecting seat, and a cavity is formed in the positioning block;
the clamping ring is of a structure with a circular ring-shaped radial section and composed of more than 3 clamping blocks with the same shape and fan-shaped radial sections, and a conical hole or a circular truncated cone hole with the same taper as one end of the mandrel is formed in the inner side of the clamping ring;
and the circular spring is sleeved outside the clamping ring.
2. The automobile short shaft turning jig according to claim 1, further comprising a hydraulic pull rod connected to one end of the spindle away from the positioning block.
3. The automobile short shaft turning jig is characterized by further comprising a chuck and a lathe spindle, wherein the chuck is connected to one end, away from the positioning block, of the connecting seat, and one end, away from the connecting seat, of the chuck is connected to the lathe spindle.
4. The automobile short shaft turning jig according to claim 1, wherein the positioning block is fixed to the connecting seat through screws.
5. The automobile short shaft turning jig according to claim 1, wherein three sections of inner holes are formed in the positioning block, a first section of the inner holes of the three sections of inner holes is in limit fit with one end, close to the connecting seat, of the clamping ring, a second section of the inner holes is in fit with the circular spring, a third section of the inner holes is in fit with one end, far away from the connecting seat, of the positioning block, and the diameters of the first section of the inner holes, the second section of the inner holes and the third section of the inner holes are.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022117312.4U CN213258321U (en) | 2020-09-24 | 2020-09-24 | Car minor axis turning tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022117312.4U CN213258321U (en) | 2020-09-24 | 2020-09-24 | Car minor axis turning tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213258321U true CN213258321U (en) | 2021-05-25 |
Family
ID=75944424
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022117312.4U Active CN213258321U (en) | 2020-09-24 | 2020-09-24 | Car minor axis turning tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213258321U (en) |
-
2020
- 2020-09-24 CN CN202022117312.4U patent/CN213258321U/en active Active
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