CN218284533U - Turning positioning jig for vehicle cross shaft - Google Patents
Turning positioning jig for vehicle cross shaft Download PDFInfo
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- CN218284533U CN218284533U CN202222091337.0U CN202222091337U CN218284533U CN 218284533 U CN218284533 U CN 218284533U CN 202222091337 U CN202222091337 U CN 202222091337U CN 218284533 U CN218284533 U CN 218284533U
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- positioning jig
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Abstract
The utility model discloses an automobile-used cross axle lathe work positioning jig relates to cross axle technical field, including fixture and stop device, fixture's right side fixed mounting has stop device, fixture includes the frame, the inner wall fixed mounting of frame has the overlap joint ring, the inner wall of frame rotates and is connected with the lead screw, the one end of lead screw is connected with the surface rotation of overlap joint ring. Utilize drive chain to impel bevel gear through drive gear to drive the lead screw and rotate for the lead screw passes through the nut cover and drives the holder and carry out the axial motion, make the distance between four holders carry out dynamic adjustment according to the size of treating the centre gripping work piece, make treat that centre gripping work piece is fixed wherein by the holder all around, and treat the back of centre gripping work piece and the front contact of overlap joint ring, make the work piece of different specifications of this positioning jig adaptation, thereby reduced the processing cost.
Description
Technical Field
The utility model relates to a cross technical field specifically is an automobile-used cross lathe work positioning jig.
Background
The automobile cross shaft has the function of realizing the transmission of variable-angle power, is used for changing the position of the direction of a transmission axis, and is a joint part of a universal transmission device of an automobile driving system.
The automobile cross shaft is a joint for connecting two levers, the joint is composed of a pair of common hinges with the relative orientation of 90 degrees, the levers can turn to any direction, the universal joint is an unequal-speed universal joint widely used on automobiles, and the maximum intersection angle of the two adjacent shafts is allowed to be 15-20 degrees. Wherein the cross shaft is one of the key parts of the cross shaft type rigid universal joint.
In the prior art, when an automobile cross shaft is machined, the automobile cross shaft needs to be turned, but before the automobile cross shaft is machined, the automobile cross shaft needs to be positioned, an existing positioning jig can only clamp workpieces with single size, and the workpieces with different specifications need to be positioned by the positioning jigs with different specifications, so that the machining cost of the workpieces rises suddenly.
SUMMERY OF THE UTILITY MODEL
The utility model provides an automobile-used cross axle lathe work positioning jig to solve the problem in the background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an automobile-used cross axle lathe work positioning jig, includes fixture and stop device, fixture's right side fixed mounting has stop device, fixture includes the frame, the inner wall fixed mounting of frame has the overlap joint ring, the inner wall of frame rotates and is connected with the lead screw, the one end of lead screw is rotated with the surface of overlap joint ring and is connected, the surperficial threaded connection of lead screw has the nut cover, the front side fixedly connected with holder of nut cover.
Furthermore, the clamping pieces are positioned on the front side of the lapping ring, and the four clamping pieces move in the opposite direction or in the opposite direction.
Furthermore, the inner wall of the frame is rotatably connected with four transmission gears and four bevel gears, the transmission gears are meshed with the bevel gears, the four transmission gears are in transmission connection through transmission chains, and the other end of the screw rod is fixedly connected with the bevel gears.
Furthermore, stop device includes spacing box, the right side fixed connection of spacing box and frame, spacing box inner wall rotates there is drive gear, drive gear's positive fixedly connected with changes the handle, the through hole has been seted up on the right side of frame, drive gear meshes with drive chain through the through hole mutually.
Furthermore, the inner wall fixed mounting of spacing box has the diaphragm, the inside swing joint of diaphragm has the spring pull rod, the bottom fixedly connected with locating pin of spring pull rod, locating pin and drive gear's top overlap joint.
Compared with the prior art, the utility model provides an automobile-used cross axle lathe work positioning jig possesses following beneficial effect:
1. this automobile-used cross axle lathe work positioning jig, through setting up fixture, utilize drive chain to impel bevel gear to drive the lead screw through drive gear and rotate, make the lead screw drive the holder through the nut cover and carry out the axle direction motion, make the distance between four holders can carry out dynamic adjustment according to the size of treating the centre gripping work piece, make treat that centre gripping work piece is fixed wherein by the holder all around, and treat the back of centre gripping work piece and the front contact of overlap joint ring, make this positioning jig can adapt the work piece of different specifications, thereby machining cost has been reduced.
2. This automobile-used cross axle lathe work positioning jig through setting up stop device, utilizes drive gear can drive chain and rotate, and the locating pin of spring pull rod bottom can carry out spacing processing to drive gear to avoided external factor can influence drive gear and carried out the condition of rotation, thereby guaranteed fixture to the centre gripping stability of work piece.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the present invention;
FIG. 3 is a front sectional view of the frame structure of the present invention;
fig. 4 is a front sectional view of the structure of the spacing box of the present invention.
In the figure: 1. a clamping mechanism; 2. a limiting device; 3. a frame; 4. a lap joint ring; 5. a transmission gear; 6. a drive chain; 7. a bevel gear; 8. a screw rod; 9. a nut sleeve; 10. a clamping member; 11. a through opening; 12. a limiting box; 13. a drive gear; 14. turning a handle; 15. a transverse plate; 16. a spring pull rod; 17. and a positioning pin.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Please refer to fig. 1-4, the utility model discloses an automobile-used cross axle lathe work positioning jig, including fixture 1 and stop device 2, fixture 1's right side fixed mounting has stop device 2, fixture 1 includes frame 3, frame 3's inner wall fixed mounting has overlap joint ring 4, frame 3's inner wall rotates and is connected with lead screw 8, the one end of lead screw 8 is connected with overlap joint ring 4's surface rotation, the surface threaded connection of lead screw 8 has nut cover 9, the front side fixedly connected with holder 10 of nut cover 9 holder 10 is located overlap joint ring 4's front side, and the direction of motion of four holders 10 is in opposite directions or the motion of leaving mutually.
The inner wall of the frame 3 is rotatably connected with four transmission gears 5 and four bevel gears 7, the transmission gears 5 are meshed with the bevel gears 7, the four transmission gears 5 are in transmission connection through transmission chains 6, and the other ends of the screw rods 8 are fixedly connected with the bevel gears 7.
Through setting up fixture 1, utilize drive chain 6 to impel bevel gear 7 to drive lead screw 8 through drive gear 5 and rotate, make lead screw 8 drive holder 10 through nut cover 9 and carry out the axial direction motion, make the distance between four holders 10 can carry out dynamic adjustment according to the size of treating the centre gripping work piece, make treat that centre gripping work piece is fixed wherein by holder 10 all around, and treat the back of centre gripping work piece and the front contact of overlap joint ring 4, make the work piece of the different specifications of this positioning jig adaptation, thereby machining cost has been reduced.
Specifically, stop device 2 includes spacing box 12, the right side fixed connection of spacing box 12 and frame 3, spacing box 12 inner wall rotates there is drive gear 13, drive gear 13's positive fixedly connected with changes 14, the right side of frame 3 has been seted up and has been run through mouthful 11, drive gear 13 meshes with drive chain 6 mutually through running through mouthful 11, the inner wall fixed mounting of spacing box 12 has diaphragm 15, the inside swing joint of diaphragm 15 has spring pull rod 16, spring pull rod 16's bottom fixedly connected with locating pin 17, locating pin 17 and drive gear 13's top overlap joint.
In this embodiment, through setting up stop device 2, utilize drive gear 13 can drive chain 6 and rotate, and the locating pin 17 of 16 bottoms of spring pull rod can carry out spacing processing to drive gear 13 to avoided external factors can influence drive gear 13 and carried out the condition of rotation, thereby guaranteed fixture 1 to the centre gripping stability of work piece.
When the clamping device is used, the back of a workpiece to be clamped is contacted with the front of the lap joint ring 4, then the spring pull rod 16 is pulled upwards, the spring pull rod 16 is made to drive the limiting pin to be far away from the driving gear 13, then the rotating handle 14 is rotated, the rotating handle 14 drives the transmission chain 6 to rotate through the driving gear 13, the transmission chain 6 rotates to drive the four transmission gears 5 to rotate, the transmission gears 5 are made to drive the conical gears 7 to rotate, the conical gears 7 drive the screw rod 8 to rotate, the screw rod 8 drives the nut sleeve 9 to move in the axial direction, the four nut sleeves 9 are made to drive the clamping pieces 10 to move in opposite directions, and the four clamping pieces 10 finally clamp the workpiece.
In conclusion, the positioning jig for turning the cross shaft for the vehicle is provided with the clamping mechanism 1, the transmission chain 6 is utilized to drive the bevel gear 7 to drive the screw rod 8 to rotate through the transmission gear 5, so that the screw rod 8 drives the clamping pieces 10 to move in the axial direction through the nut sleeve 9, the distance between the four clamping pieces 10 can be dynamically adjusted according to the size of a workpiece to be clamped, the periphery of the workpiece to be clamped is fixed in the clamping pieces 10, the back surface of the workpiece to be clamped is in contact with the front surface of the lap joint ring 4, and the positioning jig can be adapted to workpieces of different specifications, so that the processing cost is reduced; through setting up stop device 2, utilize drive gear 13 can drive chain 6 and rotate, and the locating pin 17 of 16 bottoms of spring pull rod can carry out spacing processing to drive gear 13 to avoided external factors can influence drive gear 13 and carried out the condition of rotation, thereby guaranteed fixture 1 to the centre gripping stability of work piece.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides an automobile-used cross axle lathe work positioning jig, includes fixture (1) and stop device (2), its characterized in that: the right side fixed mounting of fixture (1) has stop device (2), fixture (1) includes frame (3), the inner wall fixed mounting of frame (3) has overlap joint ring (4), the inner wall of frame (3) rotates and is connected with lead screw (8), the one end of lead screw (8) is rotated with the surface of overlap joint ring (4) and is connected, the surface threaded connection of lead screw (8) has nut cover (9), the front side fixedly connected with holder (10) of nut cover (9).
2. The turning positioning jig for the cross shaft for the vehicle as claimed in claim 1, wherein: the clamping pieces (10) are positioned on the front side of the overlapping ring (4), and the moving directions of the four clamping pieces (10) move towards or away from each other.
3. The turning positioning jig for the cross shaft for the vehicle as claimed in claim 1, wherein: the inner wall of the frame (3) is rotatably connected with four transmission gears (5) and four bevel gears (7), the transmission gears (5) are meshed with the bevel gears (7), the four transmission gears (5) are in transmission connection through transmission chains (6), and the other ends of the screw rods (8) are fixedly connected with the bevel gears (7).
4. The turning positioning jig for the cross shaft for the vehicle as claimed in claim 1, wherein: stop device (2) are including spacing box (12), the right side fixed connection of spacing box (12) and frame (3), spacing box (12) inner wall rotates there is drive gear (13), the positive fixedly connected with of drive gear (13) changes handle (14), through-hole (11) have been seted up on the right side of frame (3), drive gear (13) are through-hole (11) and drive chain (6) mesh mutually.
5. The turning positioning jig for the cross shaft for the vehicle as claimed in claim 4, wherein: the inner wall fixed mounting of spacing box (12) has diaphragm (15), the inside swing joint of diaphragm (15) has spring pull rod (16), the bottom fixedly connected with locating pin (17) of spring pull rod (16), locating pin (17) and the top overlap joint of drive gear (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222091337.0U CN218284533U (en) | 2022-08-09 | 2022-08-09 | Turning positioning jig for vehicle cross shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222091337.0U CN218284533U (en) | 2022-08-09 | 2022-08-09 | Turning positioning jig for vehicle cross shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218284533U true CN218284533U (en) | 2023-01-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222091337.0U Active CN218284533U (en) | 2022-08-09 | 2022-08-09 | Turning positioning jig for vehicle cross shaft |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117124088A (en) * | 2023-10-16 | 2023-11-28 | 江苏阀洛科精密工业有限公司 | Punching device of electromagnetic valve cover machining equipment and application method thereof |
-
2022
- 2022-08-09 CN CN202222091337.0U patent/CN218284533U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117124088A (en) * | 2023-10-16 | 2023-11-28 | 江苏阀洛科精密工业有限公司 | Punching device of electromagnetic valve cover machining equipment and application method thereof |
| CN117124088B (en) * | 2023-10-16 | 2024-04-09 | 江苏阀洛科精密工业有限公司 | Punching device of electromagnetic valve cover machining equipment and application method thereof |
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