CN220560097U - Spline forming device for transmission shaft - Google Patents
Spline forming device for transmission shaft Download PDFInfo
- Publication number
- CN220560097U CN220560097U CN202322258154.8U CN202322258154U CN220560097U CN 220560097 U CN220560097 U CN 220560097U CN 202322258154 U CN202322258154 U CN 202322258154U CN 220560097 U CN220560097 U CN 220560097U
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- Prior art keywords
- spline
- movable plate
- transmission shaft
- fly leaf
- spline forming
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 55
- 238000007723 die pressing method Methods 0.000 claims description 10
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 230000000712 assembly Effects 0.000 abstract description 3
- 238000000429 assembly Methods 0.000 abstract description 3
- 238000003754 machining Methods 0.000 abstract 2
- 230000003746 surface roughness Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 6
- 238000005096 rolling process Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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Abstract
The utility model relates to the field of transmission shaft machining, in particular to a transmission shaft spline forming device, which comprises a base, wherein a guide post and two groups of spline forming assemblies which are oppositely arranged are arranged on the base, each spline forming assembly comprises a hydraulic cylinder, a first movable plate and a second movable plate, the hydraulic cylinders are fixed on the base, the first movable plates and the second movable plates are both in sliding connection with the guide post, the hydraulic cylinders are connected with the first movable plates, the first movable plates are provided with spline dies, the second movable plates are connected with the first movable plates through elastic pieces, and transmission shaft end positioning fixtures which are coaxially arranged with the spline dies are arranged on the second movable plates. The device clamp and the die are integrated, an independent clamp is not required to be manufactured, the primary clamping efficiency is high, the machining coaxiality is good, the spline forming efficiency is effectively improved, the size of the machined transmission shaft spline is stable, the pitch error is small, and the tooth surface roughness is good.
Description
Technical Field
The utility model relates to the field of vehicle engineering, in particular to a spline forming device for a transmission shaft.
Background
In an automotive transmission system, a transmission shaft plays an important role, and transmission of automobile power and torque is mainly completed through splines on the transmission shaft. The design of the spline can ensure that the transmission process is synchronous and relative sliding does not occur, and the precision of the spline on the transmission shaft is improved, so that the spline fit clearance can be eliminated, the transmission is more stable and reliable, and the service life of the transmission shaft can be effectively prolonged.
At present, two main processes are generally adopted for processing the spline on the transmission shaft. The first is to process and shape the spline on a special gear rolling machine through the reverse movement of a pair of gear rolling plates, and the spline processed by the processing technology has low precision and large accumulated error, such as the Chinese patent application with the application number of CN201620943496.0 and the name of a spline shaft gear rolling clamp. The second is to roll out the spline on the gear hobbing machine through a hob, such as the Chinese patent application with the application number of CN202110075914.4 and the name of the finish milling forming method of the external spline of the transmission shaft, and the spline processed by the mode has higher precision but low efficiency. The traditional spline forming device needs to manufacture an independent clamp to clamp the transmission shaft, and needs to be frequently disassembled and positioned during processing, so that the processing efficiency is low, and the coaxiality of products is poor.
Disclosure of Invention
The technical problems to be solved by the utility model are as follows: the spline forming device for the transmission shaft can directly process the splines at the two ends of the transmission shaft at one time, and the coaxiality of the splines at the two ends is good.
In order to solve the technical problems, the utility model adopts the following technical scheme: the utility model provides a transmission shaft spline forming device, includes the base, be equipped with the guide post on the base and be two sets of spline forming assembly that set up relatively, spline forming assembly includes pneumatic cylinder, first fly leaf and second fly leaf, the pneumatic cylinder is fixed on the base, first fly leaf and second fly leaf all with guide post sliding connection, the pneumatic cylinder is connected with first fly leaf, first fly leaf is equipped with the spline mould, the second fly leaf passes through the elastic component and is connected with first fly leaf, the second fly leaf is equipped with the transmission shaft tip positioning fixture that sets up with the spline mould is coaxial.
Further, a die holder is arranged on the first movable plate, a conical groove and a die pressing plate are arranged on the die holder, a conical surface lantern ring is arranged in the conical groove, and the spline die is pressed on the conical surface lantern ring through the die pressing plate.
Further, a bracket is arranged on the second movable plate, and a transmission shaft outer wall supporting part is arranged on the bracket.
Further, the elastic piece comprises a spring and a bolt, the bolt is connected with the first movable plate and the second movable plate respectively, the spring is sleeved on the bolt, and the spring is abutted to the first movable plate and the second movable plate respectively.
Further, the first movable plate and the second movable plate are both provided with guide sleeves which are in sliding connection with the guide posts.
Further, the base is provided with a structural plate, and the guide post and the hydraulic cylinder are arranged on the structural plate.
Further, the hydraulic cylinder is connected with the first movable plate through the connecting rod.
The utility model has the beneficial effects that: the hydraulic cylinder is utilized to drive the first movable plate to move and simultaneously drive the second movable plate to move, the second movable plate firstly utilizes the positioning clamp at the end part of the transmission shaft to perform centering positioning on the end part of the transmission shaft so as to ensure levelness after the whole transmission is clamped and coaxiality of two ends, and then the spline mold on the first movable plate is used for processing the end part of the transmission shaft.
Drawings
FIG. 1 is a front view of a drive shaft spline forming device;
FIG. 2 is a top view of a drive shaft spline forming device;
FIG. 3 is a side view of a drive shaft spline forming device;
description of the reference numerals:
1. a base; 11. A structural panel; 12. A connecting rod; 2. A guide post; 3. A spline forming assembly; 31. A hydraulic cylinder; 32. A first movable plate; 321. Spline die; 322. A die holder; 323. a mold pressing plate; 324. a conical collar; 325. guide sleeve; 33. a second movable plate; 331. positioning clamp at the end part of the transmission shaft; 332. a bracket; 34. an elastic member; 4. and a transmission shaft.
Detailed Description
In order to describe the technical contents, the achieved objects and effects of the present utility model in detail, the following description will be made with reference to the embodiments in conjunction with the accompanying drawings.
The utility model provides a spline forming device of a transmission shaft, which is applied to processing of a spline for transmitting torque and power on the transmission shaft.
Referring to fig. 1 to 3, the spline forming device for a transmission shaft of the present utility model includes a base 1, a guide post 2 and two sets of spline forming assemblies 3 disposed opposite to each other are disposed on the base 1, the spline forming assemblies 3 include a hydraulic cylinder 31, a first movable plate 32 and a second movable plate 33, the hydraulic cylinder 31 is fixed on the base 1, the first movable plate 32 and the second movable plate 33 are both slidably connected with the guide post 2, the hydraulic cylinder 31 is connected with the first movable plate 32, the first movable plate 32 is provided with a spline die 321, the second movable plate 33 is connected with the first movable plate 32 through an elastic member 34, and the second movable plate 33 is provided with a positioning fixture 331 disposed coaxially with the spline die 321.
From the above description, the beneficial effects of the utility model are as follows: the hydraulic cylinder 31 is utilized to drive the first movable plate 32 to move and simultaneously drive the second movable plate 33 to move, the second movable plate 33 firstly utilizes the transmission shaft end positioning clamp 331 to perform centering positioning on the end part of the transmission shaft 4 so as to ensure levelness after the whole transmission is clamped and coaxiality of two ends, and then the spline die 321 on the first movable plate 32 is utilized to process the end part of the transmission shaft 4.
In an alternative embodiment, the first movable plate 32 is provided with a die holder 322, the die holder 322 is provided with a tapered slot and a die pressing plate 323, a tapered collar 324 is provided in the tapered slot, and the spline die 321 is pressed on the tapered collar 324 by the die pressing plate 323.
As can be seen from the above description, the die holder 322 is fixed in the middle of the first movable plate 32, the inner cavity of the die holder 322 is in an inner conical shape, the inlet is provided with an inner thread, the outer conical surface of the conical surface collar 324 is matched with the inner conical surface of the die holder 322, the coaxiality of the spline die 321 after being installed is ensured, the spline die 321 is arranged in the conical surface collar 324, the die pressing plate 323 is provided with an outer thread, and the spline die 321 is pressed in the center of the die holder 322 by screwing the die pressing plate 323 into the die holder 322.
In an alternative embodiment, a bracket 332 is provided on the second movable plate 33, and the bracket 332 is provided with an outer wall supporting portion of the transmission shaft 4.
As is apparent from the above description, the bracket 332 plays a role in supporting and assisting in positioning the transmission shaft 4 through the outer wall supporting portion of the transmission shaft 4, thereby improving the processing accuracy.
In an alternative embodiment, the elastic member 34 includes a spring and a bolt, the bolt is connected to the first movable plate 32 and the second movable plate 33, the spring is sleeved on the bolt, and the spring abuts against the first movable plate 32 and the second movable plate 33, respectively.
As can be seen from the above description, the first movable plate 32 is connected in series with the second movable plate 33 by a bolt provided in the middle of a spring provided between the two movable plates, which provides an axial force for the clamp of the second movable plate 33 to clamp the drive shaft 4.
In an alternative embodiment, the first movable plate 32 and the second movable plate 33 are provided with guide sleeves 325 slidably connected to the guide posts 2.
As is apparent from the above description, the guide sleeve 325 is disposed between the movable plate and the guide post 2, the guide sleeve 325 is slidably engaged with the guide post 2, the axial movement is smooth, and the linearity of the movable plate is ensured.
In an alternative embodiment, the base 1 is provided with a structural plate 11, and the guide post 2 and the hydraulic cylinder 31 are both arranged on the structural plate 11.
As is apparent from the above description, the structural plate 11 is fixed to the seat, and the hydraulic cylinder 31 is installed outside the structural plate 11. The structural plate 11 and the 4 guide posts 2 are fixed to form a stable frame structure.
In an alternative embodiment, the hydraulic cylinder 31 is connected to the first movable plate 32 through the connecting rod 12, and further includes the connecting rod 12.
As is apparent from the above description, the movable plate is connected to the hydraulic cylinder 31 through the connecting rod 12.
The working principle of the utility model is as follows: when the hydraulic clamp works, the transmission shaft 4 is placed on the bracket 332, the hydraulic system is started, the hydraulic cylinder 31 pushes the first movable plate 32 to axially move towards the center, after the inner conical surface of the clamp contacts the outer conical surface of the transmission shaft 4, under the continuous pushing of hydraulic pressure, the spring between the first movable plate 32 and the second movable plate 33 starts to be compressed, the clamp clamps the transmission shaft 4, when the hydraulic cylinder 31 continuously moves, the second movable plate 33 does not move any more, the die on the first movable plate 32 is pressed into the outer diameter of the transmission shaft 4, an external spline is formed on the transmission shaft 4, and after the required spline length position is reached, the hydraulic cylinder 31 reversely withdraws.
Referring to fig. 1 to 3, a first embodiment of the present utility model is as follows: the utility model provides a transmission shaft spline forming device, includes base 1, be equipped with guide post 2 and be two sets of spline forming assembly 3 that set up relatively on the base 1, spline forming assembly 3 includes pneumatic cylinder 31, first fly leaf 32 and second fly leaf 33, pneumatic cylinder 31 is fixed on base 1, first fly leaf 32 and second fly leaf 33 all with guide post 2 sliding connection, pneumatic cylinder 31 is connected with first fly leaf 32, first fly leaf 32 is equipped with spline die 321, second fly leaf 33 passes through elastic component 34 and is connected with first fly leaf 32, second fly leaf 33 is equipped with the transmission shaft tip positioning fixture 331 with the coaxial setting of spline die 321.
The first movable plate 32 is provided with a die holder 322, the die holder 322 is provided with a conical groove and a die pressing plate 323, a conical collar 324 is arranged in the conical groove, and the spline die 321 is pressed on the conical collar 324 through the die pressing plate 323. The second movable plate 33 is provided with a bracket 332, and the bracket 332 is provided with a supporting part of the outer wall of the transmission shaft 4. The elastic member 34 includes a spring and a bolt, the bolt is connected with the first movable plate 32 and the second movable plate 33, the spring is sleeved on the bolt, and the spring is abutted with the first movable plate 32 and the second movable plate 33. The first movable plate 32 and the second movable plate 33 are respectively provided with a guide sleeve 325 which is in sliding connection with the guide post 2. The base 1 is provided with a structural plate 11, and the guide post 2 and the hydraulic cylinder 31 are both arranged on the structural plate 11. Also comprises a connecting rod 12, and the hydraulic cylinder 31 is connected with a first movable plate 32 through the connecting rod 12.
In summary, the spline forming device for the transmission shaft provided by the utility model drives the first movable plate to move by utilizing the hydraulic cylinder and simultaneously drives the second movable plate to move, the second movable plate firstly uses the positioning clamp for the end part of the transmission shaft to perform centering positioning on the end part of the transmission shaft so as to ensure levelness after clamping of the whole transmission and coaxiality of two ends, and then uses the spline die on the first movable plate to process the end part of the transmission shaft.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent changes made by the specification and drawings of the present utility model, or direct or indirect application in the relevant art, are included in the scope of the present utility model.
Claims (7)
1. The utility model provides a transmission shaft spline forming device, its characterized in that, includes the base, be equipped with the guide post on the base and be two sets of spline forming assembly that set up relatively, spline forming assembly includes pneumatic cylinder, first fly leaf and second fly leaf, the pneumatic cylinder is fixed on the base, first fly leaf and second fly leaf all with guide post sliding connection, the pneumatic cylinder is connected with first fly leaf, first fly leaf is equipped with the spline mould, the second fly leaf passes through the elastic component and is connected with first fly leaf, the second fly leaf is equipped with the transmission shaft tip positioning fixture who sets up with the spline mould is coaxial.
2. The spline forming device for the transmission shaft according to claim 1, wherein a die holder is arranged on the first movable plate, a conical groove and a die pressing plate are arranged on the die holder, a conical collar is arranged in the conical groove, and the spline die is pressed on the conical collar through the die pressing plate.
3. The spline forming apparatus for a propeller shaft of claim 1, wherein a bracket is provided on the second movable plate, the bracket being provided with a propeller shaft outer wall support portion.
4. A drive shaft spline forming apparatus according to any one of claims 2 or 3, wherein the elastic member comprises a spring and a bolt, the bolt is connected to the first movable plate and the second movable plate, respectively, the spring is sleeved on the bolt, and the spring abuts against the first movable plate and the second movable plate, respectively.
5. The spline forming apparatus for a drive shaft according to claim 1, wherein the first movable plate and the second movable plate are each provided with a guide sleeve slidably connected to the guide post.
6. The spline forming apparatus for a drive shaft according to claim 1, wherein the base is provided with a structural plate, and the guide post and the hydraulic cylinder are both provided on the structural plate.
7. The propeller shaft spline formation of claim 1, further comprising a connecting rod, the hydraulic cylinder being connected to the first movable plate by the connecting rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322258154.8U CN220560097U (en) | 2023-08-22 | 2023-08-22 | Spline forming device for transmission shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322258154.8U CN220560097U (en) | 2023-08-22 | 2023-08-22 | Spline forming device for transmission shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220560097U true CN220560097U (en) | 2024-03-08 |
Family
ID=90095183
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322258154.8U Active CN220560097U (en) | 2023-08-22 | 2023-08-22 | Spline forming device for transmission shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220560097U (en) |
-
2023
- 2023-08-22 CN CN202322258154.8U patent/CN220560097U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |