CN211101342U - Integral die for pre-upsetting spline shaft - Google Patents
Integral die for pre-upsetting spline shaft Download PDFInfo
- Publication number
- CN211101342U CN211101342U CN201922246606.4U CN201922246606U CN211101342U CN 211101342 U CN211101342 U CN 211101342U CN 201922246606 U CN201922246606 U CN 201922246606U CN 211101342 U CN211101342 U CN 211101342U
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- Prior art keywords
- die
- integral
- cooling water
- die holder
- spline shaft
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- Expired - Fee Related
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- 238000007789 sealing Methods 0.000 claims abstract description 28
- 239000000498 cooling water Substances 0.000 claims description 27
- 239000000463 material Substances 0.000 abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 6
- 238000001816 cooling Methods 0.000 description 14
- 238000000034 method Methods 0.000 description 10
- 239000002994 raw material Substances 0.000 description 7
- 239000000110 cooling liquid Substances 0.000 description 6
- 239000012528 membrane Substances 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 4
- 238000003754 machining Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of dies, and discloses an integral die for pre-upsetting a spline shaft, wherein an outer sleeve is fixedly connected to the upper surface of a fixed base, a right die holder is arranged inside the outer sleeve, a positioning column is fixedly connected to the upper surface of the right die holder, a fixed plate is fixedly connected to the upper surface of the fixed base, a chute is formed in the surface of the fixed plate, a connecting rod is arranged inside the chute, a left die holder is fixedly connected to the lower end of the connecting rod, and the novel die adopts a sealing mode combining double sealing rings, so that the phenomenon of inner film water leakage is effectively prevented; compared with the traditional mold, the novel mold reduces the processing allowance required to be reserved, and greatly saves the material cost; the whole die forming inner cavity belt is not cylindrical, has small taper and is large in the upper part and the lower part, the whole die is separated from a workpiece easily after upsetting is completed, the die material sticking phenomenon cannot occur, and the practicability is high.
Description
Technical Field
The utility model relates to the technical field of mold, specifically a mound integral die of integral key shaft in advance.
Background
One end of an automobile half shaft needs to be milled and processed with an involute spline, the diameter of the spline is often larger than that of raw materials, so that the raw materials need to be heated and then are upset, a traditional upsetting die is divided in a bilateral symmetry mode, the raw materials are placed into the die after heating, a left die and a right die are combined together through an oil cylinder, and then the die is upset through a hydraulic part.
Traditional mound mould is when using, and the mould cooling is not thorough, and the life-span that causes the mould is very low, and the spline of mound must reserve more machining allowances because of its self processing defect because of the axle, has increased the material cost, and the integral key shaft both sides of mound have very big overlap crest line moreover, increases the degree of difficulty for numerical control car process, has obvious bending deformation between the integral key shaft of mound and the raw and other materials that do not heat, needs the alignment just can carry out next process, has increased manufacturing cost. Accordingly, one skilled in the art provides a one-piece mold for pre-upsetting a spline shaft to solve the problems set forth in the background art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a mound integral die utensil of integral key shaft in advance to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a mound integral die of integral key shaft in advance, includes unable adjustment base and overcoat, unable adjustment base's last fixed surface is connected with the overcoat, the inside of overcoat is provided with the right side die holder, the last fixed surface of right side die holder is connected with the reference column, unable adjustment base's last fixed surface is connected with the fixed plate, the spout has been seted up on the surface of fixed plate, the inside of spout is provided with the connecting rod, the lower extreme fixedly connected with left die holder of connecting rod, the locating hole has been seted up to the inside of left side die holder, and one side of left side die holder is provided with whole upper inner membrance, one side of whole upper inner membrance is connected with the drift bush.
As a further aspect of the present invention: the inner membrance includes first sealing washer, cooling outlet pipe, cooling inlet tube and second sealing washer on the whole, the cooling outlet pipe has been seted up to the one side of the inner membrance on the whole, the opposite side of the inner membrance on the whole is connected with first sealing washer, one side of cooling outlet pipe is provided with the cooling inlet tube, one side of cooling inlet tube is connected with the second sealing washer.
As a further aspect of the present invention: the cooling outlet pipe and the cooling inlet tube are both arranged inside the integral inner membrane, the shapes of the cooling outlet pipe and the cooling inlet tube are both spiral, and the second sealing ring and the first sealing ring are arranged on two sides of the integral inner membrane.
As a further aspect of the present invention: the punch bush comprises a nut, a spring pad and a flat pad, one side of the punch bush is in threaded connection with the nut, one side of the nut is connected with the spring pad, and one end of the spring pad is provided with the flat pad.
As a further aspect of the present invention: the screw thread that matches with the nut is seted up to the inside of left side die holder, the shape of spring pad and the shape looks adaptation of flat pad.
As a further aspect of the present invention: the length of the lower female die is smaller than that of the right die holder, and the forming inner cavities of the upper inner film and the lower female die are conical integrally.
Compared with the prior art, the beneficial effects of the utility model are that:
through the double-layer die combining the inner sleeve and the outer sleeve, even if the die is replaced due to abrasion, only the inner sleeve die needs to be replaced, so that the investment cost of the die is saved, and through the arrangement of the cooling water outlet pipe and the cooling water inlet pipe, when the cooling machine works, the cooling liquid can continuously take away the temperature of the inner sleeve, so that the service life of the inner sleeve is greatly prolonged; in the forming process, the spline shaft is formed in the inner cavity of the inner sleeve die completely, the flash ridge is eliminated completely, the coaxiality of the thickened spline shaft and the heating raw material is better without straightening, and the spline shaft can be directly transferred to the next procedure, so that the production cost is saved; the mould adopts a sealing mode of combining double sealing rings, so that the phenomenon of water leakage of the inner membrane is effectively prevented; compared with the traditional mold, the novel mold reduces the processing allowance required to be reserved, and greatly saves the material cost; the whole die forming inner cavity belt is not cylindrical, has small taper and is large in the upper part and the lower part, the whole die is separated from a workpiece easily after upsetting is completed, the die material sticking phenomenon cannot occur, and the practicability is high.
Drawings
FIG. 1 is a schematic structural view of an integral die for pre-upsetting a spline shaft;
FIG. 2 is a schematic structural view of an outer sleeve in an integral die of a pre-pier spline shaft;
FIG. 3 is a schematic view of the internal structure of an integral die for pre-upsetting a spline shaft.
In the figure: 1. a fixed base; 2. a jacket; 3. a right die holder; 4. a positioning column; 5. a fixing plate; 6. positioning holes; 7. a left die holder; 8. a chute; 9. a connecting rod; 10. a nut; 11. a spring pad; 12. flattening the cushion; 13. a first seal ring; 14. a punch bushing; 15. an inner membrane is integrally formed; 16. cooling the water outlet pipe; 17. cooling the water inlet pipe; 18. a second seal ring; 19. and (5) a lower concave die.
Detailed Description
Referring to fig. 1 to 3, in an embodiment of the present invention, an integral mold for pre-upsetting a spline shaft includes a fixed base 1 and an outer sleeve 2, the outer sleeve 2 is fixedly connected to an upper surface of the fixed base 1, a right mold base 3 is disposed inside the outer sleeve 2, a positioning column 4 is fixedly connected to an upper surface of the right mold base 3, a fixed plate 5 is fixedly connected to an upper surface of the fixed base 1, a chute 8 is formed on a surface of the fixed plate 5, a connecting rod 9 is disposed inside the chute 8, a left mold base 7 is fixedly connected to a lower end of the connecting rod 9, a positioning hole 6 is formed inside the left mold base 7, a length of a lower cavity 19 is smaller than that of the right mold base 3, a molding inner cavity of the integral upper inner mold 15 and the lower cavity 19 is tapered, a double-layer mold combining the inner sleeve and the outer sleeve 2, the inner sleeve mold is detachably connected, the investment cost of the die is saved.
In fig. 3: an integral inner film 15 is arranged on one side of the left die holder 7, the integral inner film 15 comprises a first sealing ring 13, a cooling water outlet pipe 16, a cooling water inlet pipe 17 and a second sealing ring 18, the cooling water outlet pipe 16 is arranged on one side of the integral inner film 15, the first sealing ring 13 is connected on the other side of the integral inner film 15, the cooling water inlet pipe 17 is arranged on one side of the cooling water outlet pipe 16, the second sealing ring 18 is connected on one side of the cooling water inlet pipe 17, the cooling water outlet pipe 16 and the cooling water inlet pipe 17 are both arranged inside the integral inner film 15, the shapes of the cooling water outlet pipe 16 and the cooling water inlet pipe 17 are both spiral, the second sealing ring 18 and the first sealing ring 13 are arranged on both sides of the integral inner film 15, cooling liquid is introduced from the inside of the cooling water inlet pipe 17 and then flows inside, when the inner film forming die works, the cooling liquid can continuously take away the temperature of the inner film, the service life of the inner film is greatly prolonged, certain beneficial effects are achieved on forming of the die, the second sealing ring 18 and the first sealing ring 13 are arranged on the two sides of the inner film 15 on the whole, the sealing mode that the double sealing rings are combined is adopted, the phenomenon of water leakage of the inner film is effectively prevented, and convenience is brought to forming of the die.
In fig. 1 and 3: on the whole, one side of the inner membrane 15 is connected with a punch bush 14, one side of the right die holder 3 is provided with a lower female die 19, the punch bush 14 comprises a nut 10, a spring cushion 11 and a flat cushion 12, one side of the punch bush 14 is in threaded connection with the nut 10, one side of the nut 10 is connected with the spring cushion 11, one end of the spring cushion 11 is provided with the flat cushion 12, the inside of the left die holder 7 is provided with a thread matched with the nut 10, the shape of the spring cushion 11 is matched with that of the flat cushion 12, in the forming process, the spline shaft is not only formed in the inner cavity of the inner sleeve die completely, the burr and the crest line are completely eliminated, the coaxiality between the roughened spline shaft and a heating raw material is good, the alignment is not needed, the direct transfer to the next procedure is realized, the production cost is saved, the machining allowance of 3-4mm is reserved for the spline shaft with the thickness of the upset in the traditional process, the material cost is saved, when in molding, the molding inner cavity belt of the integral mold is not cylindrical and has small taper, the upper part is small, the lower part is large, the separation of the integral mold from a workpiece after the upsetting is finished becomes very easy, and the occurrence of the phenomenon of mold sticking can be avoided.
The utility model discloses a theory of operation is: when the double-layer die is used, the inner sleeve and the outer sleeve 2 are combined, the inner sleeve die is detachably connected, and only the inner sleeve die needs to be replaced if the inner sleeve die is seriously worn after long-time use, so that the investment cost of the die is saved; the heated raw materials are put into a die, then the inner film 15 and the lower concave die 19 are integrally combined together, cooling liquid is introduced from the inside of the cooling water inlet pipe 17, then the cooling liquid flows in the die and flows out of the cooling water outlet pipe 16, the cooling water outlet pipe 16 and the cooling water inlet pipe 17 are arranged, when the die works, the cooling liquid can continuously take away the temperature of the inner sleeve, the service life of the inner sleeve is greatly prolonged, and certain beneficial effects are achieved on the forming of the die, in the forming process, the spline shaft is not only completely formed in the inner cavity of the inner sleeve die, the burr line is completely eliminated, the coaxiality between the thickened spline shaft and the heated raw materials is better, the spline shaft can be directly transferred to the next working procedure without being straightened, the production cost is saved, the second sealing rings 18 and the first sealing rings 13 are arranged on the two sides of the inner film 15 on the whole, and the sealing mode of combining the double sealing, the inner film water leakage phenomenon is effectively prevented, convenience is brought to the forming of the die, 3-4mm machining allowance needs to be reserved for the spline shaft with the upsetting thickness in the traditional process, the novel integral die only needs to reserve the machining amount of 2-3mm, the material cost is saved, when the forming is carried out, the forming inner cavity of the integral die is not cylindrical, small taper is achieved, the upper portion and the lower portion are large, the integral die is separated from a workpiece easily after the upsetting is finished, the die material sticking phenomenon cannot occur, the beneficial effect is brought to the forming of the die, and the practicability is high.
The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides a mound integral die utensil of integral key shaft in advance, includes unable adjustment base (1) and overcoat (2), its characterized in that, the last fixed surface of unable adjustment base (1) is connected with overcoat (2), the inside of overcoat (2) is provided with right die holder (3), the last fixed surface of right die holder (3) is connected with reference column (4), the last fixed surface of unable adjustment base (1) is connected with fixed plate (5), spout (8) have been seted up on the surface of fixed plate (5), the inside of spout (8) is provided with connecting rod (9), the lower extreme fixedly connected with left die holder (7) of connecting rod (9), locating hole (6) have been seted up to the inside of left die holder (7), and one side of left die holder (7) is provided with whole upper inner membrance (15), one side of whole upper inner membrance (15) is connected with drift bush (14), and a lower female die (19) is arranged on one side of the right die holder (3).
2. The integral die for the pre-pier spline shaft according to claim 1, wherein the integral inner film (15) comprises a first sealing ring (13), a cooling water outlet pipe (16), a cooling water inlet pipe (17) and a second sealing ring (18), the cooling water outlet pipe (16) is arranged on one side of the integral inner film (15), the first sealing ring (13) is connected to the other side of the integral inner film (15), the cooling water inlet pipe (17) is arranged on one side of the cooling water outlet pipe (16), and the second sealing ring (18) is connected to one side of the cooling water inlet pipe (17).
3. Integral die for a pre-pier spline shaft according to claim 2, characterized in that the cooling water outlet pipe (16) and the cooling water inlet pipe (17) are both arranged inside the integral inner film (15), and the cooling water outlet pipe (16) and the cooling water inlet pipe (17) are both spiral in shape.
4. The integral die for the pre-heading spline shaft according to claim 1, wherein the punch bushing (14) comprises a nut (10), a spring pad (11) and a flat pad (12), the nut (10) is in threaded connection with one side of the punch bushing (14), the spring pad (11) is in threaded connection with one side of the nut (10), and the flat pad (12) is arranged at one end of the spring pad (11).
5. The integral die for the pre-pier spline shaft is characterized in that the left die holder (7) is internally provided with threads matched with the nut (10), and the shape of the spring pad (11) is matched with that of the flat pad (12).
6. The integral die for pre-upsetting the spline shaft as claimed in claim 1, wherein the length of the lower female die (19) is less than that of the right die holder (3), and the forming cavities of the integral upper inner die (15) and the lower female die (19) are conical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922246606.4U CN211101342U (en) | 2019-12-16 | 2019-12-16 | Integral die for pre-upsetting spline shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922246606.4U CN211101342U (en) | 2019-12-16 | 2019-12-16 | Integral die for pre-upsetting spline shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211101342U true CN211101342U (en) | 2020-07-28 |
Family
ID=71717860
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922246606.4U Expired - Fee Related CN211101342U (en) | 2019-12-16 | 2019-12-16 | Integral die for pre-upsetting spline shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211101342U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112191791A (en) * | 2020-10-19 | 2021-01-08 | 抚州申铃汽车配件有限责任公司 | Shaft part spline forging and forming system and forming process |
-
2019
- 2019-12-16 CN CN201922246606.4U patent/CN211101342U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112191791A (en) * | 2020-10-19 | 2021-01-08 | 抚州申铃汽车配件有限责任公司 | Shaft part spline forging and forming system and forming process |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200728 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |