CN213645869U - Turning jig for automobile transmission shaft - Google Patents
Turning jig for automobile transmission shaft Download PDFInfo
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- CN213645869U CN213645869U CN202022692272.6U CN202022692272U CN213645869U CN 213645869 U CN213645869 U CN 213645869U CN 202022692272 U CN202022692272 U CN 202022692272U CN 213645869 U CN213645869 U CN 213645869U
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- transmission shaft
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- mandrel
- inner hole
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Abstract
The utility model relates to the technical field of automobile transmission shaft processing, in particular to an automobile transmission shaft turning jig, which comprises a connecting seat, a mandrel, a fixing ring, a positioning ring, a clamping block and a first spring; the connecting seat comprises a flange plate and a cylinder coaxially connected to one surface of the flange plate; the middle part of the flange plate is provided with a shaft hole; the mandrel coaxially penetrates through the shaft hole and the four sections of inner holes, the fixing ring is fixed on the mandrel, and the circumferential surface of the fixing ring is in sliding fit with the inner wall of the cylinder; the inner hole of the mandrel is coaxially provided with a centering conical block; the transmission shaft center hole is accurately positioned and then clamped in a whole circle, the outer diameter and the center hole are good in coaxiality, the clamping is stable and accurate, the processing stability and the outer diameter jumping of the transmission shaft can be still ensured during heavy cutting, and the transmission shaft automatic production line is configured to effectively improve the quality and the production efficiency of the transmission shaft.
Description
Technical Field
The utility model relates to an automobile transmission shaft processing technology field, in particular to automobile transmission shaft turning tool.
Background
The automobile transmission shaft is an important component of an automobile transmission system, automatic production of the automobile transmission shaft is a necessary trend, the automatic production needs to refine each processing technology, the stability of each action in the production process is ensured, otherwise, the grafting rate is low, and the production efficiency is seriously influenced.
The tool that present car transmission shaft turning was used commonly is through the direct centre gripping of soft claw, and the easy loss of soft claw, and clamping stability is not enough, and the transmission shaft is usually thin and long, therefore the difficult management and control of transmission shaft beat during the turning.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: how to improve car transmission shaft turning tool, make its centre gripping precision high and stable, ensure the quality and improve production efficiency simultaneously.
In order to solve the technical problem, the utility model discloses a technical scheme be:
a turning jig for an automobile transmission shaft comprises a connecting seat, a mandrel, a fixing ring, a positioning ring, a clamping block and a first spring;
the connecting seat comprises a flange plate and a cylinder coaxially connected to one surface of the flange plate; the middle part of the flange plate is provided with a shaft hole;
the positioning ring is coaxially connected to one end, far away from the flange, of the cylinder, four sections of inner holes are formed in the positioning ring, the axial direction from the flange to the positioning ring is taken as a first direction, the four sections of inner holes are composed of a first inner hole, a second inner hole, a third inner hole and a fourth inner hole which are sequentially and continuously arranged along the first direction, the second inner hole is a taper hole with the diameter gradually increasing along the first direction, the third inner hole is a cylindrical hole, and the fourth inner hole is a taper hole with the diameter gradually decreasing along the first direction;
the mandrel coaxially penetrates through the shaft hole and the four sections of inner holes, the fixing ring is fixed on the mandrel, and the circumferential surface of the fixing ring is in sliding fit with the inner wall of the cylinder; the inner hole of the mandrel is coaxially provided with a centering conical block;
the dabber is equipped with perpendicular to axial, two guide rails of symmetry and mutual parallel arrangement, the quantity of clamp splice is 2, and 2 clamp splice ground sliding connection are in the guide rail, first spring coupling is between 2 clamp splices, a terminal surface that the dabber axis was kept away from to the clamp splice is the cambered surface parallel with the dabber axis to the axial, the axial both ends of cambered surface are equipped with the chamfer, a terminal surface that the clamp splice is close to the dabber axis is equipped with the clamping part of circular arc.
Furthermore, the clamping part is provided with a serrated anti-slip layer.
Further, the first inner hole is a taper hole with the diameter gradually increasing along the first direction.
Furthermore, a second spring is connected between the positioning ring and the fixing ring.
Furthermore, one end of the mandrel in the first direction is provided with a taper opening with the diameter gradually increasing.
Furthermore, the hydraulic pull rod is connected to one end, deviating from the first direction, of the mandrel.
Further, still include chuck and lathe spindle, the one end that the holding ring was kept away from in the connecting seat is connected to the chuck, the one end that the connecting seat was kept away from to the chuck is connected in lathe spindle.
Furthermore, the angle of the chamfer at one end of the clamping block, which is away from the first direction, is the same as the taper of the second inner hole, and the angle of the chamfer at one end of the clamping block, which is away from the first direction, is the same as the taper of the fourth inner hole.
The beneficial effects of the utility model reside in that: the utility model relates to a car transmission shaft turning tool structure is with whole circle of centre gripping again after the transmission shaft centre bore accurate positioning, and the external diameter is good with the centre bore axiality, and the centre gripping is stable accurate, still can ensure the stability and the external diameter of transmission shaft processing when heavily cutting and beat, and the configuration uses in transmission shaft automation line and can effectively improve transmission shaft quality and production efficiency.
Drawings
Fig. 1 is a schematic mechanism diagram of an automobile transmission shaft turning jig in a loose-clamp state according to an embodiment of the present invention;
fig. 2 is a schematic mechanism diagram of an automobile transmission shaft turning jig according to an embodiment of the present invention in a clamping state;
fig. 3 is a schematic structural view of a spindle of an automobile transmission shaft turning jig according to an embodiment of the present invention;
fig. 4 is a schematic view of a partial structure of a turning jig for a transmission shaft of an automobile in a loose-clamped state according to an embodiment of the present invention;
fig. 5 is a schematic view of a partial structure of a turning jig for a transmission shaft of an automobile according to an embodiment of the present invention in a loose-clamped state;
fig. 6 is a schematic view of a partial structure of a turning jig for a transmission shaft of an automobile according to an embodiment of the present invention in a clamped state;
fig. 7 is a schematic view of a partial structure of a turning jig for a transmission shaft of an automobile according to an embodiment of the present invention in a clamped state;
fig. 8 is a schematic structural view of a positioning sleeve of a turning jig for an automobile transmission shaft according to an embodiment of the present invention;
description of reference numerals:
1. a connecting seat; 11. a flange plate; 12. a cylinder; 13. a shaft hole; 2. a mandrel; 21. a guide rail; 22. centering the cone block; 23. a conical opening; 3. a fixing ring; 4. a positioning ring; 41. a first inner bore; 42. a second inner bore; 43. a third inner bore; 44. a fourth inner bore; 5. a clamping block; 51. chamfering; 52. a clamping portion; 53. an anti-slip layer; 6. a first spring; 7. a second spring; 8. a hydraulic pull rod; 9. a lathe spindle; 10. a chuck; 101. a shape cutter; 102. the transmission shaft body.
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.
The utility model discloses the most crucial design lies in: the utility model provides an automobile transmission shaft turning tool to whole circle centre gripping after the centre bore accurate positioning, the centre gripping precision is high and stable, ensures that the quality improves production efficiency simultaneously.
Referring to fig. 1 to 8, the present invention relates to a turning jig for a transmission shaft of an automobile, which includes a connecting seat 1, a mandrel 2, a fixing ring 3, a positioning ring 4, a clamping block 5 and a first spring 6;
the connecting seat 1 comprises a flange plate 11 and a cylinder 12 coaxially connected to one surface of the flange plate 11; the middle part of the flange plate 11 is provided with a shaft hole 13;
the positioning ring 4 is coaxially connected to one end of the cylinder 12, which is far away from the flange plate 11, four sections of inner holes are arranged inside the positioning ring 4, the axial direction from the flange plate 11 to the positioning ring 4 is taken as a first direction, the four sections of inner holes are composed of a first inner hole 41, a second inner hole 42, a third inner hole 43 and a fourth inner hole 44 which are sequentially and continuously arranged along the first direction, the second inner hole 42 is a conical hole with the diameter gradually increasing along the first direction, the third inner hole 43 is a cylindrical hole, and the fourth inner hole 44 is a conical hole with the diameter gradually decreasing along the first direction;
the mandrel 2 coaxially penetrates through the shaft hole 13 and the four sections of inner holes, the fixing ring 3 is fixed on the mandrel 2, and the circumferential surface of the fixing ring 3 is in sliding fit with the inner wall of the cylinder 12; an inner hole of the mandrel 2 is coaxially provided with a centering taper block 22;
The working principle of the turning jig structure for the automobile transmission shaft is as follows: putting the transmission shaft body 102 into the mandrel 2 in a loose clamp state in a direction deviating from the first direction until a central hole of the transmission shaft is contacted with the centering taper block 22, controlling the mandrel 2 to move in the direction deviating from the first direction, so that the clamping blocks 5 move from the third inner hole 43 of the positioning block to the first inner hole 41, because the diameter of the first inner hole 41 is smaller than that of the third inner hole 43, 2 clamping blocks 5 move oppositely under the limiting action of the wall of the first inner hole 41, so that the arc clamping parts 52 mutually match and clamp the transmission shaft body 102, then starting to perform expanding and turning processing on the shape of the transmission shaft body 102 through the shape cutter 101, after the processing is completed, controlling the mandrel 2 to move in the first direction, driving the clamping blocks 5 to move in the positioning ring 4 in the direction under the driving of the mandrel 2, so that the clamping blocks 5 move to the third inner hole 43 of the positioning ring 4, and at the moment, 2 clamping blocks 5 expand and match with the third inner hole 43 under the action of the first spring, the transmission shaft body 102 is returned to the loose clamp state again, and the transmission shaft body 102 which is processed is taken down.
According to the turning jig structure for the automobile transmission shaft, the transmission shaft center hole is accurately positioned and then clamped in a whole circle, the outer diameter and the center hole are good in coaxiality, the clamping is stable and accurate, the processing stability and the outer diameter jumping of the transmission shaft can be still ensured during heavy cutting, and the quality and the production efficiency of the transmission shaft can be effectively improved when the turning jig structure is configured in an automatic transmission shaft production line.
Further, in the turning jig structure for the automobile transmission shaft, the clamping portion 52 is provided with a serrated anti-slip layer 53.
As can be seen from the above description, by providing the serrated slip prevention layer 53 on the clamping portion 52, the slip prevention layer 53 may be an elastic material layer, so as to further increase the clamping force of the clamping portion 52 on the transmission shaft body 102, and avoid slipping.
Further, in the turning jig structure for the automobile transmission shaft, the first inner hole 41 is a taper hole with a diameter gradually increasing along the first direction.
As can be seen from the above description, the first inner hole 41 is designed as a taper hole with a diameter gradually increasing along the first direction, and the taper of the taper hole is gentler than that of the second inner hole 42 and the fourth inner hole 44, and is only 0-10 degrees, so that when the mandrel 2 moves further away from the first direction, the clamping block 5 can clamp the transmission shaft more tightly, and the proper clamping tightness can be controlled by controlling the moving stroke of the mandrel 2.
Furthermore, in the turning jig structure for the automobile transmission shaft, a second spring 7 is connected between the positioning ring 4 and the fixing ring 3.
As can be seen from the above description, the second spring 7 is used for buffering and limiting the position between the fixing ring 3 and the positioning ring 4 when the mandrel 2 moves axially.
Further, in the turning jig structure for the automobile transmission shaft, one end of the mandrel 2 in the first direction is provided with a tapered opening 23 with a diameter gradually increasing.
As can be seen from the above description, the tapered opening 23 is provided at one end of the mandrel 2, so that the transmission shaft can be more easily inserted into the inner hole of the mandrel 2, and the efficiency is further improved.
Further, in the turning jig structure for the automobile transmission shaft, the turning jig structure further comprises a hydraulic pull rod 8, and the hydraulic pull rod 8 is connected to one end of the mandrel 2, which deviates from the first direction.
As can be seen from the above description, the axial movement of the mandrel 2 along the shaft hole 13 of the connecting base 1 is controlled by the hydraulic pull rod 8.
Further, among the above-mentioned automotive transmission axle turning tool structure, still include chuck 10 and lathe spindle 9, chuck 10 connects in the one end that connecting seat 1 kept away from holding ring 4, the one end that connecting seat 1 was kept away from to chuck 10 is connected in lathe spindle 9.
The structure enables the mandrel 2 to move axially along the shaft hole 13 of the connecting seat 1 more stably, so that the clamping block 5 can better clamp the transmission shaft body 102.
Further, in the turning jig structure for the automobile transmission shaft, an angle of the chamfer 51 at one end of the clamping block 5 departing from the first direction is the same as the taper of the second inner hole 42, and an angle of the chamfer 51 at one end of the clamping block 5 in the first direction is the same as the taper of the fourth inner hole 44.
As can be seen from the above description, the angle of the chamfer 51 is designed such that the clamping block 5 can be more smoothly transferred between the first inner hole 41 and the third inner hole 43 of the positioning ring 4 when the mandrel 2 moves axially, thereby further improving the efficiency.
Example 1
A turning jig for an automobile transmission shaft comprises a connecting seat 1, a mandrel 2, a fixing ring 3, a positioning ring 4, a clamping block 5 and a first spring 6; the connecting seat 1 comprises a flange plate 11 and a cylinder 12 coaxially connected to one surface of the flange plate 11; the middle part of the flange plate 11 is provided with a shaft hole 13; the positioning ring 4 is coaxially connected to one end of the cylinder 12, which is far away from the flange plate 11, four sections of inner holes are arranged inside the positioning ring 4, the axial direction from the flange plate 11 to the positioning ring 4 is taken as a first direction, the four sections of inner holes are composed of a first inner hole 41, a second inner hole 42, a third inner hole 43 and a fourth inner hole 44 which are sequentially and continuously arranged along the first direction, the second inner hole 42 is a conical hole with the diameter gradually increasing along the first direction, the third inner hole 43 is a cylindrical hole, and the fourth inner hole 44 is a conical hole with the diameter gradually decreasing along the first direction; the mandrel 2 coaxially penetrates through the shaft hole 13 and the four sections of inner holes, the fixing ring 3 is fixed on the mandrel 2, and the circumferential surface of the fixing ring 3 is in sliding fit with the inner wall of the cylinder 12; an inner hole of the mandrel 2 is coaxially provided with a centering taper block 22; dabber 2 is equipped with the perpendicular to axial, two guide rails 21 of symmetry and mutual parallel arrangement, the quantity of clamp splice 5 is 2, 2 clamp splice 5 sliding connection in guide rail 21 symmetrically, first spring 6 is connected between 2 clamp splice 5, a terminal surface that 2 axes of dabber were kept away from to clamp splice 5 is the axial cambered surface parallel with 2 axes of dabber, the axial both ends of cambered surface are equipped with chamfer 51, a terminal surface that clamp splice 5 is close to 2 axes of dabber is equipped with the clamping part 52 of circular arc. The clamping portion 52 is provided with a serrated anti-slip layer 53. The first inner hole 41 is a tapered hole having a diameter gradually increasing in a first direction. A second spring 7 is connected between the positioning ring 4 and the fixing ring 3. One end of the mandrel 2 in the first direction is provided with a taper 23 with the diameter gradually increasing. The hydraulic pull rod 8 is connected to one end, deviating from the first direction, of the mandrel 2. Still include chuck 10 and lathe main shaft 9, chuck 10 connects in the one end that the holding ring 4 was kept away from to connecting seat 1, the one end that connecting seat 1 was kept away from to chuck 10 is connected in lathe main shaft 9. The angle of the chamfer 51 at the end of the clamping block 5 facing away from the first direction is the same as the taper of the second inner hole 42, and the angle of the chamfer 51 at the end of the clamping block 5 facing the first direction is the same as the taper of the fourth inner hole 44.
To sum up, the utility model provides a car transmission shaft turning tool structure is with whole circle centre gripping again after the transmission shaft centre bore accurate positioning, and the external diameter is good with the centre bore axiality, and the centre gripping is stable accurate, still can ensure the stability and the external diameter of transmission shaft processing when heavily cutting and beat, and the configuration uses in transmission shaft automation line and can effectively improve transmission shaft quality and production efficiency.
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 (8)
1. A turning jig for an automobile transmission shaft is characterized by comprising a connecting seat, a mandrel, a fixing ring, a positioning ring, a clamping block and a first spring;
the connecting seat comprises a flange plate and a cylinder coaxially connected to one surface of the flange plate; the middle part of the flange plate is provided with a shaft hole;
the positioning ring is coaxially connected to one end, far away from the flange, of the cylinder, four sections of inner holes are formed in the positioning ring, the axial direction from the flange to the positioning ring is taken as a first direction, the four sections of inner holes are composed of a first inner hole, a second inner hole, a third inner hole and a fourth inner hole which are sequentially and continuously arranged along the first direction, the second inner hole is a taper hole with the diameter gradually increasing along the first direction, the third inner hole is a cylindrical hole, and the fourth inner hole is a taper hole with the diameter gradually decreasing along the first direction;
the mandrel coaxially penetrates through the shaft hole and the four sections of inner holes, the fixing ring is fixed on the mandrel, and the circumferential surface of the fixing ring is in sliding fit with the inner wall of the cylinder; the inner hole of the mandrel is coaxially provided with a centering conical block;
the dabber is equipped with perpendicular to axial, two guide rails of symmetry and mutual parallel arrangement, the quantity of clamp splice is 2, and 2 clamp splice ground sliding connection are in the guide rail, first spring coupling is between 2 clamp splices, a terminal surface that the dabber axis was kept away from to the clamp splice is the cambered surface parallel with the dabber axis to the axial, the axial both ends of cambered surface are equipped with the chamfer, a terminal surface that the clamp splice is close to the dabber axis is equipped with the clamping part of circular arc.
2. The turning jig for the transmission shaft of the automobile as claimed in claim 1, wherein the clamping portion is provided with a serrated anti-slip layer.
3. The turning jig for the transmission shaft of the automobile as claimed in claim 1, wherein the first inner hole is a tapered hole with a diameter gradually increasing along a first direction.
4. The turning jig for the transmission shaft of the automobile as claimed in claim 1, wherein a second spring is connected between the positioning ring and the fixing ring.
5. The turning jig for the transmission shaft of the automobile as claimed in claim 1, wherein a tapered opening with a diameter gradually increasing is formed at one end of the mandrel in the first direction.
6. The turning jig for the transmission shaft of the automobile of claim 1, further comprising a hydraulic pull rod connected to one end of the mandrel away from the first direction.
7. The turning jig for the transmission shaft of the automobile as claimed in claim 1, further comprising a chuck and a lathe spindle, wherein the chuck is connected to one end of the connecting seat away from the positioning ring, and one end of the chuck away from the connecting seat is connected to the lathe spindle.
8. The turning jig for the transmission shaft of the automobile of claim 1, wherein the chamfer angle of the end of the clamping block facing away from the first direction is the same as the taper of the second inner hole, and the chamfer angle of the end of the clamping block facing the first direction is the same as the taper of the fourth inner hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022692272.6U CN213645869U (en) | 2020-11-19 | 2020-11-19 | Turning jig for automobile transmission shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022692272.6U CN213645869U (en) | 2020-11-19 | 2020-11-19 | Turning jig for automobile transmission shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213645869U true CN213645869U (en) | 2021-07-09 |
Family
ID=76684875
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022692272.6U Active CN213645869U (en) | 2020-11-19 | 2020-11-19 | Turning jig for automobile transmission shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213645869U (en) |
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2020
- 2020-11-19 CN CN202022692272.6U patent/CN213645869U/en active Active
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