CN114178801A - Cold shrinkage diameter die and process for machining universal joint spline shaft by using same - Google Patents
Cold shrinkage diameter die and process for machining universal joint spline shaft by using same Download PDFInfo
- Publication number
- CN114178801A CN114178801A CN202111506881.0A CN202111506881A CN114178801A CN 114178801 A CN114178801 A CN 114178801A CN 202111506881 A CN202111506881 A CN 202111506881A CN 114178801 A CN114178801 A CN 114178801A
- Authority
- CN
- China
- Prior art keywords
- die
- hole
- base
- diameter
- bar
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 9
- 238000003754 machining Methods 0.000 title description 3
- 238000004080 punching Methods 0.000 claims description 23
- 230000000087 stabilizing effect Effects 0.000 claims description 19
- 238000003466 welding Methods 0.000 claims description 19
- 238000007723 die pressing method Methods 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 5
- 239000012528 membrane Substances 0.000 claims description 5
- 238000009966 trimming Methods 0.000 claims description 5
- 238000000227 grinding Methods 0.000 claims description 3
- 238000005498 polishing Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 239000002699 waste material Substances 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 5
- 230000005540 biological transmission Effects 0.000 description 5
- 238000009434 installation Methods 0.000 description 3
- 238000007514 turning Methods 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 2
- 238000010791 quenching Methods 0.000 description 2
- 230000000171 quenching effect Effects 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
- B23P15/14—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass gear parts, e.g. gear wheels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C23/00—Extruding metal; Impact extrusion
- B21C23/02—Making uncoated products
- B21C23/18—Making uncoated products by impact extrusion
- B21C23/183—Making uncoated products by impact extrusion by forward extrusion
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C25/00—Profiling tools for metal extruding
- B21C25/02—Dies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C35/00—Removing work or waste from extruding presses; Drawing-off extruded work; Cleaning dies, ducts, containers, or mandrels
- B21C35/02—Removing or drawing-off work
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forging (AREA)
Abstract
The application relates to a shrinkage diameter die, including installing the lower bolster on the hydraulic press workstation, the lower bolster deviates from workstation one side and installs the mould base, the mould base deviates from lower bolster one side and installs the mount table, the mount table deviates from mould base one side and installs the die, and the die deviates from mount table one side and is provided with the die clamp plate, and the die passes through the die clamp plate is fixed on the mount table, runs through the die on the die and has seted up the shoulder hole, wear to be equipped with the ejector pin in the lower bolster, the ejector pin runs through lower bolster, mould base and mount table and inserts in the shoulder hole, and the ejector pin inserts the shoulder hole one end and installs the spline drift. The method and the device have the effect of reducing the waste of resources.
Description
Technical Field
The application relates to the field of spline shaft processing, in particular to a cold shrinkage diameter die and a process for processing a universal joint spline shaft by using the same.
Background
The universal joint is a part for realizing variable angle power transmission, is used for changing the position of the transmission axis direction, and is a joint part of a universal transmission device of an automobile driving system. The universal joint is combined with a transmission shaft and is called a universal joint transmission device.
The spline shaft (as shown in fig. 5) of the existing universal joint comprises a shaft body 24, and an inner diameter connector 25 and a cup connector 27 which are formed at two ends of the shaft body 24 by friction welding, wherein the diameter of the cup connector 27 at one end of the shaft body 24 is larger than that of the shaft body 24, the inner hole diameter and the outer diameter of the inner diameter connector 25 at the other end of the shaft body 24 are both smaller than that of the shaft body 24, the shaft body 24 and the inner diameter connector 25 are integrally in a hollow stepped rod shape, and the inner wall of the inner diameter connector 25 at one end of the shaft body 24 is provided with a spline groove 26; the existing spline shaft body 24 adopts lathe turning to process the outer diameter and the inner circle, and a broaching machine is used for broaching the internal spline 26.
In view of the above-mentioned related technologies, the inventor believes that a large amount of leftover materials are produced in the turning process of the existing spline shaft formed by turning, thereby causing waste of resources.
Disclosure of Invention
In order to reduce the waste of resource, this application provides a shrinkage footpath mould.
The application provides a shrinkage footpath mould adopts following technical scheme:
the utility model provides a shrinkage footpath mould, is including installing the lower bolster on the hydraulic press workstation, the lower bolster deviates from workstation one side and installs the mould base, the mould base deviates from lower bolster one side and installs the mount table, the mount table deviates from mould base one side and installs the die, and the die deviates from mount table one side and is provided with the die clamp plate, and the die passes through the die clamp plate is fixed on the mount table, runs through the die on the die and has seted up the shoulder hole, wear to be equipped with the ejector pin in the lower bolster, the ejector pin runs through lower bolster, mould base and mount table and inserts in the shoulder hole, and the ejector pin inserts shoulder hole one end and installs the spline drift.
Through adopting above-mentioned technical scheme, the connector and the axis body that the diameter is less than the axis body can be punched out to the shoulder hole, urges the connector to carry out the punching press of spline through the spline drift simultaneously, can reduce the loss that cutting process leads to through stamping forming, reduces the waste of resource.
Optionally, the die outside cover is equipped with the lock ring, the lock ring outside cover is equipped with embraces the membrane cover, embrace membrane cover and position circle and all set firmly on the mount table through the die clamp plate.
Through adopting above-mentioned technical scheme, the die can be fixed a position with embracing the setting of membrane cover to the lock ring to promote the precision of punching press.
Optionally, a stabilizing sleeve is installed on one side, away from the mounting table, of the female die, a stabilizing hole is formed in the stabilizing sleeve, and the diameter of the stabilizing hole is the same as the major diameter of the stepped hole.
Through adopting above-mentioned technical scheme, the setting of stable cover can be fixed the axis body when the punching press, reduces the probability that the axis body buckles.
Optionally, the die has a positioning groove formed towards one end of the stabilizing sleeve, the stabilizing sleeve has a positioning block fixedly arranged towards one end of the die, and the positioning block is embedded in the positioning groove.
Through adopting above-mentioned technical scheme, the constant head tank cooperation locating piece can further be fixed the die.
Optionally, an opening of the stepped hole at one end away from the lower template is provided with a leading-in groove.
Through adopting above-mentioned technical scheme, the setting of guide way can make things convenient for the raw materials to insert the die to make things convenient for the material loading.
Optionally, a cover plate is arranged on the lower template, a guide hole is formed in the cover plate, the ejector rod penetrates through the guide hole and extends into the mold base, and a limiting block is installed at the position where the ejector rod extends into the mold base.
Through adopting above-mentioned technical scheme, the ejector pin can be led in the setting of apron, and the setting of stopper can restrict sliding of ejector pin to make spline drift can normally punch the spline groove.
Optionally, the die base has a slot opened towards one end of the mounting table, and the mounting table is embedded in the slot towards one end of the die base.
Through adopting above-mentioned technical scheme, seting up of draw-in groove can consolidate the mount table, promotes the stability of mount table.
A process for processing a universal joint spline shaft by using a cold shrinkage diameter die comprises the following steps:
step 1: loading, namely installing a die on a hydraulic machine, and then placing a bar material in the die;
step 2: roughly punching, namely punching the bar by adopting a hydraulic press and preliminarily forming;
and step 3: fine punching, namely punching the bar again by adopting a hydraulic press to form the bar consisting of a shaft body and a connector with the diameter smaller than that of the shaft body;
and 4, step 4: demolding, namely demolding the precisely punched bar;
and 5: friction welding, wherein the bar stock and a connector with the diameter larger than that of the shaft body are fixedly connected with each other through friction welding;
step 6: fine trimming, namely grinding and polishing the welding line generated by friction welding;
and 7: and (4) performing heat treatment, namely performing heat treatment on the spline shaft after the finish trimming.
Through adopting above-mentioned technical scheme, adopt the punching press to carry out machine-shaping to the bar, the punching press effect can be promoted with the twice punching press of finish blanking to the thick punching, and friction welding can realize the integral key shaft shaping of many steps.
In summary, the present application includes at least one of the following beneficial technical effects:
the stepped hole can punch the connecting head and the shaft body with the diameter smaller than that of the shaft body, the connecting head is urged to punch the spline through the spline punch, loss caused by cutting machining can be reduced through punch forming, and waste of resources is reduced;
the arrangement of the support ring and the film holding sleeve can position the female die, so that the stamping accuracy is improved;
the arrangement of the stabilizing sleeve can fix the shaft body during stamping, so that the bending probability of the shaft body is reduced;
the punching effect can be improved by the two times of punching of rough punching and fine punching.
Drawings
Fig. 1 is a schematic sectional structure view of the feeding state in this embodiment.
Fig. 2 is a schematic view of the connection structure of the female die and the stabilizing sleeve in this embodiment.
Fig. 3 is a schematic sectional structure view of the pressed state in the present embodiment.
Fig. 4 is a schematic sectional structure view of the mold released state in the present embodiment.
FIG. 5 is a schematic view of a conventional spline shaft structure.
Description of reference numerals: 1. a lower template; 2. a mold base; 201. a lower mold base; 202. an upper die base; 3. an installation table; 4. a female die; 5. a female die pressing plate; 6. a stepped hole; 7. a top rod; 8. a spline punch; 9. a support ring; 10. a film holding sleeve; 11. a stabilizing sleeve; 12. a stabilization well; 13. positioning a groove; 14. positioning blocks; 15. a lead-in groove; 16. a cover plate; 17. a guide hole; 18. a limiting block; 19. a card slot; 20. an upper die; 21. demoulding parts; 22. a part hole; 23. demoulding holes; 24. a shaft body; 25. an inner diameter connector; 26. a spline groove; 27. a cup body connector.
Detailed Description
The present application is described in further detail below with reference to figures 1-4.
The embodiment of the application discloses a cold shrinkage diameter die, referring to fig. 1 and fig. 2, the cold shrinkage diameter die comprises a rectangular lower die plate 1 arranged on a hydraulic press workbench, a stepped caulking groove is arranged in the middle of the lower die plate 1, a cover plate 16 in the form of a circular disc is embedded in the caulking groove, the cover plate 16 is detachably arranged on the lower die plate 1 through bolts, a guide hole 17 is arranged in the middle of the cover plate 16, an ejector rod 7 is inserted in the guide hole 17, a die base 2 is arranged on one side of the lower die plate 1, which is far away from the workbench, the die base plate comprises a lower die base 201 and an upper die base 202, the lower die base 201 and the upper die base 202 are both circular rings, the lower die base 201 is arranged on the lower die plate 1 through bolts, the upper die base 202 is arranged on the lower die base 201 through bolts, a clamping groove 19 is arranged on one end of the die base 2, which is far away from the lower die plate 1, an installation table 3 is embedded in the clamping groove 19, and one side of the die base 2, which is far away from the lower die plate 1 is arranged, a female die 4 is installed on one side, away from a die base 2, of a mounting table 3, a female die pressing plate 5 is arranged on one side, away from the mounting table 3, of the female die 4, the female die 4 is fixed on the mounting table 3 through the female die pressing plate 5, a stepped hole 6 is formed in the female die 4 in a penetrating mode, the stepped hole 6 is a circular through hole, one end, facing towards a lower die plate 1, of the stepped hole 6 is directly smaller than one end, away from the lower die plate 1, a push rod 7 penetrates through the lower die plate 1, the die base 2 and the mounting table 3 and is inserted into the stepped hole 6, a limiting block 18 is installed at the position, where the push rod 7 extends into the die base 2, the probability that the push rod 7 is separated from the die base 2 can be reduced through the arrangement of the limiting block 18, a spline punch 8 is detachably installed at one end, where the push rod 7 is inserted into the stepped hole 6, the stepped hole 6 can punch a connector and a shaft body with a diameter smaller than that of the shaft body, the spline punch 8 is promoted to punch the connector, and the connector can be punched, and loss caused by punching can be reduced through punching processing, the waste of resources is reduced.
Referring to fig. 3 and 4, the cold shrinkage diameter die further comprises an upper die 20 and a demoulding part 21, the upper die 20 is a circular block, the upper die 20 is fixed on a sliding block of a stamping device, the sliding block drives the upper die 20 to stamp the bar to be stamped, a part hole 22 is formed in one side, facing the lower die, of the upper die 20 and used for positioning the bar to be stamped, the stamping is more accurate, the demoulding part 21 is a semicircular ring, a demoulding hole 23 is formed in the inner ring of the semicircular ring, the demoulding hole 23 is composed of a large hole and a small hole, the large hole is the same as a large diameter hole of a stepped hole 6 of a female die 4, the small hole is the same as a small diameter hole of the stepped hole 6 of the female die 4, after the stamping, a spline is not easy to separate from a workpiece, and the demoulding part 21 is sleeved on the workpiece, so that the workpiece can be conveniently stripped.
Referring to fig. 1, a support ring 9 is sleeved outside a female die 4, a film holding sleeve 10 is sleeved outside the support ring 9, and the film holding sleeve 10 and a positioning ring are fixedly arranged on an installation table 3 through a female die pressing plate 5; a stabilizing sleeve 11 is arranged on one side of the female die 4, which is far away from the mounting table 3, a stabilizing hole 12 is formed in the stabilizing sleeve 11, and the diameter of the stabilizing hole 12 is the same as the major diameter of the stepped hole 6; an opening of the stepped hole 6, which is far away from one end of the lower template 1, is provided with a lead-in groove 15.
A process for processing a universal joint spline shaft by using a cold shrinkage diameter die comprises the following steps: step 1: loading, namely installing a die on a hydraulic machine, setting two sets of dies according to the size, wherein the spline punch 8 and the female die 4 of the two sets of dies are different in size, the spline punch 8 and the female die 4 of one set of dies are the size required by a workpiece, the spline punch 8 and the female die 4 of the other set of dies are both larger than the size required by the workpiece, and then placing a bar material into the die with larger size; step 2: roughly punching, namely punching the bar stock by adopting a hydraulic press matched with a mould with a larger size and preliminarily forming; and step 3: fine blanking, namely demolding and taking out the preliminarily formed bar from a mold with a larger size by adopting a demolding part 21, and then stamping the bar again by adopting a hydraulic machine matched with the mold with a proper size to form the bar consisting of a shaft body and a connector with a diameter smaller than that of the shaft body; and 4, step 4: demoulding, namely demoulding the rod after the fine blanking by adopting a demoulding part 21; and 5: friction welding, wherein the bar stock and a connector with the diameter larger than that of the shaft body are fixedly connected with each other through friction welding to form a complete spline shaft; step 6: fine trimming, namely grinding and polishing the welding seam generated by friction welding, and removing the impression of the waste material generated in the welding seam on the whole workpiece; and 7: and (3) performing heat treatment, performing quenching treatment on the spline shaft after finishing, improving the strength, hardness and wear resistance of the spline shaft through quenching, processing and forming the bar by adopting stamping, and performing rough stamping and fine stamping twice stamping to reduce the stamping amplitude, thereby reducing the probability of producing defective products, improving the stamping effect, and realizing multi-step spline shaft forming by friction welding.
The implementation principle of the embodiment of the application is as follows: the two sets of dies are installed on a hydraulic press, then the bar is placed in a die with a large size, then the bar is stamped, demolding is carried out by adopting a demolding part 21 after the stamping is completed, then the bar after the rough stamping is placed in the die with a proper size, then the bar is stamped, demolding is carried out by adopting the demolding part 21 after the stamping is completed, the stamping forming of the bar is completed, then the bar and a connector with the diameter larger than that of a shaft body are fixedly connected with each other through friction welding, the welding seam is polished after the welding is completed, then the spline shaft is quenched, and the whole production process is completed.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a shrinkage footpath mould which characterized in that: comprises a lower template (1) arranged on a hydraulic press workbench, a mold base (2) is arranged on one side of the lower template (1) departing from the workbench, a mounting table (3) is arranged on one side of the die base (2) which is far away from the lower template (1), a female die (4) is arranged on one side of the mounting platform (3) away from the die base (2), a female die pressing plate (5) is arranged on one side of the female die (4) away from the mounting platform (3), the female die (4) is fixed on the mounting platform (3) through the female die pressing plate (5), a stepped hole (6) is formed in the female die (4) in a penetrating mode through the female die (4), an ejector rod (7) penetrates through the lower template (1), the die base (2) and the mounting table (3) and is inserted into the stepped hole (6), and a spline punch (8) is installed at one end, inserted into the stepped hole (6), of the ejector rod (7).
2. The cold shrink diameter mold of claim 1, wherein: die (4) outside cover is equipped with lock ring (9), lock ring (9) outside cover is equipped with embraces membrane cover (10), it all sets firmly on mount table (3) through die clamp plate (5) to embrace membrane cover (10) and position circle.
3. A cold shrink diameter mold as claimed in claim 2, wherein: die (4) deviate from mount table (3) one side and install stabilizing sleeve (11), stabilizing hole (12) have been seted up on stabilizing sleeve (11), and stabilizing hole (12) diameter is the same with shoulder hole (6) major diameter.
4. A cold shrink diameter mold as claimed in claim 3, wherein: the die (4) is provided with a positioning groove (13) towards one end of the stabilizing sleeve (11), the stabilizing sleeve (11) is fixedly provided with a positioning block (14) towards one end of the die (4), and the positioning block (14) is embedded in the positioning groove (13).
5. The cold shrink diameter mold of claim 4, wherein: an opening of one end of the stepped hole (6) departing from the lower template (1) is provided with a lead-in groove (15).
6. The cold shrink diameter mold of claim 5, wherein: the die is characterized in that a cover plate (16) is arranged on the lower die plate (1), a guide hole (17) is formed in the cover plate (16), the ejector rod (7) penetrates through the guide hole (17) and extends into the die base (2), and a limiting block (18) is arranged at the position, extending into the die base (2), of the ejector rod (7).
7. The cold shrink diameter mold of claim 6, wherein: mould base (2) have seted up draw-in groove (19) towards mount table (3) one end, mount table (3) are inlayed towards mould base (2) one end and are located in draw-in groove (19).
8. A process for working a spline shaft of a universal joint using the cold reducing die of claim 7, comprising the steps of:
step 1: loading, namely installing a die on a hydraulic machine, and then placing a bar material in the die;
step 2: roughly punching, namely punching the bar by adopting a hydraulic press and preliminarily forming;
and step 3: fine punching, namely punching the bar again by adopting a hydraulic press to form the bar consisting of a shaft body and a connector with the diameter smaller than that of the shaft body;
and 4, step 4: demolding, namely demolding the precisely punched bar;
and 5: friction welding, wherein the bar stock and a connector with the diameter larger than that of the shaft body are fixedly connected with each other through friction welding;
step 6: fine trimming, namely grinding and polishing the welding line generated by friction welding;
and 7: and (4) performing heat treatment, namely performing heat treatment on the spline shaft after the finish trimming.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111506881.0A CN114178801A (en) | 2021-12-10 | 2021-12-10 | Cold shrinkage diameter die and process for machining universal joint spline shaft by using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111506881.0A CN114178801A (en) | 2021-12-10 | 2021-12-10 | Cold shrinkage diameter die and process for machining universal joint spline shaft by using same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114178801A true CN114178801A (en) | 2022-03-15 |
Family
ID=80543089
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111506881.0A Pending CN114178801A (en) | 2021-12-10 | 2021-12-10 | Cold shrinkage diameter die and process for machining universal joint spline shaft by using same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114178801A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114939773A (en) * | 2022-06-07 | 2022-08-26 | 浙江欧迪恩传动科技股份有限公司 | Driving sleeve excircle machining method and internal spline clamp applied to same |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2235742A1 (en) * | 1973-07-06 | 1975-01-31 | Lucas Electrical Co Ltd | |
| JP2000079411A (en) * | 1998-07-10 | 2000-03-21 | Bjuro Proektov I Dostav Uzhondzen Futonichiifu Hapehaasupuuka Aktina | Device for compressing and expanding metal material |
| CN1772431A (en) * | 2004-11-12 | 2006-05-17 | 陈萌 | Maching process and mold for annulus of external gear reduced one-way device |
| CN101081409A (en) * | 2007-07-04 | 2007-12-05 | 陈丽 | 125CC autobicycle gear shifting box main spindle multiple spline highly-effective cold extrusion processing technics |
| CN201366448Y (en) * | 2009-03-02 | 2009-12-23 | 湖北天轮机械有限公司 | Backward cold extrusion die for rear stabilizer bar sleeve of car |
| CN102921874A (en) * | 2012-11-20 | 2013-02-13 | 太仓久信精密模具有限公司 | Cold forging and forming process of truck axle |
| CN104384852A (en) * | 2014-10-15 | 2015-03-04 | 湖南中联重科车桥有限公司 | Method for machining hub axle tube |
| CN209986016U (en) * | 2019-05-06 | 2020-01-24 | 江苏太平洋精锻科技股份有限公司 | Internal spline extrusion forming punch |
-
2021
- 2021-12-10 CN CN202111506881.0A patent/CN114178801A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2235742A1 (en) * | 1973-07-06 | 1975-01-31 | Lucas Electrical Co Ltd | |
| JP2000079411A (en) * | 1998-07-10 | 2000-03-21 | Bjuro Proektov I Dostav Uzhondzen Futonichiifu Hapehaasupuuka Aktina | Device for compressing and expanding metal material |
| CN1772431A (en) * | 2004-11-12 | 2006-05-17 | 陈萌 | Maching process and mold for annulus of external gear reduced one-way device |
| CN101081409A (en) * | 2007-07-04 | 2007-12-05 | 陈丽 | 125CC autobicycle gear shifting box main spindle multiple spline highly-effective cold extrusion processing technics |
| CN201366448Y (en) * | 2009-03-02 | 2009-12-23 | 湖北天轮机械有限公司 | Backward cold extrusion die for rear stabilizer bar sleeve of car |
| CN102921874A (en) * | 2012-11-20 | 2013-02-13 | 太仓久信精密模具有限公司 | Cold forging and forming process of truck axle |
| CN104384852A (en) * | 2014-10-15 | 2015-03-04 | 湖南中联重科车桥有限公司 | Method for machining hub axle tube |
| CN209986016U (en) * | 2019-05-06 | 2020-01-24 | 江苏太平洋精锻科技股份有限公司 | Internal spline extrusion forming punch |
Non-Patent Citations (2)
| Title |
|---|
| 《模具制造手册》编写组编著: "《模具制造手册》", 31 January 1997, 机械工业出版社 * |
| 洪松涛等: "《简明焊工手册》", 31 January 2015, 上海科学技术出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114939773A (en) * | 2022-06-07 | 2022-08-26 | 浙江欧迪恩传动科技股份有限公司 | Driving sleeve excircle machining method and internal spline clamp applied to same |
| CN114939773B (en) * | 2022-06-07 | 2024-03-12 | 浙江欧迪恩传动科技股份有限公司 | Outer circle machining method of driving sleeve and internal spline clamp applied to method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109531159A (en) | Rear connecting bushing processing technology | |
| CN104759539A (en) | Continuous punching mould for de-loading valve bracket | |
| CN205147022U (en) | Rear axle locking packing ring dashes 24 casement utensils for two steps | |
| CN114178801A (en) | Cold shrinkage diameter die and process for machining universal joint spline shaft by using same | |
| CN201871609U (en) | Stamping die for processing longitudinal V-shaped groove of shaft workpiece | |
| CN104438833A (en) | Continuous stamping die for manufacturing threading device communication connector terminal | |
| CN109676027A (en) | Electric car start stop apparatus shell stamping die and technique | |
| CN109909372B (en) | Waste-free side punching die for high-performance micro-motor shell for automobile | |
| CN210877129U (en) | One-time simultaneous blanking-punching manufacturing two-piece composite die for automobile rear axle refueling plug seat | |
| CN104889259B (en) | A kind of hole flanging compound die | |
| CN210333814U (en) | Cold extrusion die for bearing retainer | |
| CN205042981U (en) | Cut -out press of P axle | |
| CN213530434U (en) | Automatic forming and stamping die for upper cover plate of quick-release lock part | |
| CN210450556U (en) | Continuous mould of stay tube | |
| CN209998185U (en) | processing die for fixing rear-section bottom plate of automobile oil tank | |
| CN212792605U (en) | Adjustable stamping device and stamping equipment applying same | |
| CN110523854B (en) | Movable plug pressing forming die | |
| CN107597934B (en) | Stamping tool and stamping method | |
| CN209577874U (en) | A kind of liquid crystal display frame progressive die | |
| CN219985996U (en) | Spring lock accessory stamping die | |
| CN217370051U (en) | Pipe plug processing upgrades device | |
| CN202291007U (en) | Aluminum plug punch forming die | |
| CN217044725U (en) | Punching device for water-cooling fixing piece of mold point | |
| CN218744232U (en) | Automobile back door movable frame typing die | |
| CN210754613U (en) | Tool structure of doffer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20220315 |
|
| RJ01 | Rejection of invention patent application after publication |