CN106391967A - Forming die of transmission shaft external star-wheel forged piece - Google Patents
Forming die of transmission shaft external star-wheel forged piece Download PDFInfo
- Publication number
- CN106391967A CN106391967A CN201610871563.7A CN201610871563A CN106391967A CN 106391967 A CN106391967 A CN 106391967A CN 201610871563 A CN201610871563 A CN 201610871563A CN 106391967 A CN106391967 A CN 106391967A
- Authority
- CN
- China
- Prior art keywords
- transmission shaft
- die
- extraterrestrial
- power transmission
- connector
- 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
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J13/00—Details of machines for forging, pressing, or hammering
- B21J13/02—Dies or mountings therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
- B21K1/00—Making machine elements
- B21K1/06—Making machine elements axles or shafts
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forging (AREA)
Abstract
The invention provides a forming die of a transmission shaft external star-wheel forged piece. A male die body comprises a punch pin matched with the transmission shaft external star-wheel forged piece. The punch pin and a female die body cooperate to conduct forming on the transmission shaft external star-wheel forged piece. Because the punch pin is in the shape matched with the shape of the transmission shaft external star-wheel forged piece, secondary machining is not needed after the transmission shaft external star-wheel forged piece is formed; and in this way, the labor intensity of operation personnel is lowered, and the production efficiency of the transmission shaft external star-wheel forged piece is improved. An ejector hole is further formed in the female die body. An ejector rod is arranged in the ejector hole. A forming portion is arranged at the upper end of the ejector rod. The forming precision of the transmission shaft external star-wheel forged piece is improved. In addition, after being formed, the transmission shaft external star-wheel forged piece is easy to take out, and the use performance of the forming die is optimized; due to the arrangement of a guide column, the precision of the forming die is improved. Besides, due to the arrangement of a die sleeve, the female die body is convenient to fix, a corresponding fixing structure on the female die body is not needed, and the use performance of the forming die is optimized.
Description
Technical field
The present invention relates to power transmission shaft extraterrestrial forging process instrument, the extraterrestrial forging piece molding die of more particularly, to a kind of power transmission shaft.
Background technology
Power transmission shaft is a kind of structure of transmission power, is used widely in automotive field.In prior art, outside power transmission shaft
Star forging is finished by miscellaneous equipment after typically being processed by mould again, and this processing mode causes the extraterrestrial forging of power transmission shaft
Low production efficiency.
It is used in prior art being molded the mould of the extraterrestrial forging of power transmission shaft, including die and punch, punch is cylinder, this
So that being only capable of during shaping forming a cylindrical cavity on the extraterrestrial forging of power transmission shaft, this makes the extraterrestrial forging forming of power transmission shaft
After need secondary operation, reduce the production efficiency of the extraterrestrial forging of power transmission shaft.
Content of the invention
The extraterrestrial forging piece molding die of a kind of power transmission shaft that the present invention provides is used in prior art shaping transmission it is intended to overcome
The mould structure of the extraterrestrial forging of axle is unreasonable, causes the deficiency of power transmission shaft extraterrestrial forging low production efficiency.
In order to solve above-mentioned technical problem, the present invention adopts the following technical scheme that：A kind of extraterrestrial forging shaping mould of power transmission shaft
Tool, the die including punch with punch cooperation, the upper end of described punch is provided with connecting plate, described connecting plate offers connection
Hole, described punch includes the drift of extraterrestrial forging cooperation and the connector that drift and connecting plate link together with power transmission shaft,
Described drift and connector are integral type structure, the circumscribed circle diameter with diameter greater than drift of described connector；Outside described die
It is arranged with die sleeve, described die has die cavity, described die is further opened with the liftout hole with mould cavity, described liftout in the hole
It is provided with ejector beam, described ejector beam is provided with forming section by Driven by Hydraulic Cylinder, the upper end integral type of described ejector beam, described forming section
The diameter with diameter greater than ejector beam, described forming section is coaxial with ejector beam；It is additionally provided with lead, described mould on described connecting plate
Put the pilot hole being provided with lead cooperation, described die sleeve offers the positioning chamber accommodating die, described positioning chamber runs through
Die sleeve, described positioning chamber be shaped as up-small and down-big truncated cone-shaped.
A kind of optional scheme, described connecting plate is fixed by screws on connector, described connector offers with
The screw of screw fit, is provided with described screw and carries out locking spring to screw.Connecting plate is connected firmly with connector, optimizes
Mold use performance, the setting of spring makes screw be not easy to get loose, and optimizes the stability when using for the mould.
A kind of optional scheme, described die sleeve offers the lightening grooves mitigating die sleeve weight.The setting of lightening grooves reduces
The weight of die sleeve, and then reduce mold use cost.
A kind of optional scheme, described drift is coaxial with connector, and the length of described connector is more than the length of drift.Excellent
Change mold use performance, improve the precision of mould.
A kind of optional scheme, described lead is integral type structure with connecting plate, and the lower end of described lead is provided with just
In the chamfering of lead and pilot hole cooperation, described lead is hollow-core construction.Improve the precision of mould, lead is hollow
Structure, reduces mold use cost.
Compared with prior art, the extraterrestrial forging piece molding die of a kind of power transmission shaft that the present invention provides, has the advantage that：Convex
Mould includes the drift of the extraterrestrial forging cooperation with power transmission shaft, and the drift and die cooperation extraterrestrial forging forming to power transmission shaft, due to drift
There is the shape of the extraterrestrial forging cooperation with power transmission shaft, therefore, do not need secondary operation after the extraterrestrial forging forming of power transmission shaft, reduce
The labour intensity of operating personnel, and improve the production efficiency of the extraterrestrial forging of power transmission shaft；Liftout hole is additionally provided with die, top
Material in the hole is provided with ejector beam, is provided with forming section in the upper end of ejector beam, improves the forming accuracy of the extraterrestrial forging of power transmission shaft, separately
Outward, it is easy to after the extraterrestrial forging forming of power transmission shaft take out, optimize mold use performance；The setting of lead improves mould
Precision；In addition, the setting of die sleeve makes die be easy to fix, and, on die, do not need to arrange corresponding fixed structure, optimize
Mold use performance.
Brief description
Accompanying drawing 1 is a kind of sectional view of the extraterrestrial forging piece molding die of power transmission shaft of the present invention.
Specific embodiment
Below in conjunction with the accompanying drawings, a kind of extraterrestrial forging piece molding die of power transmission shaft of the present invention is described further.As Fig. 1 institute
Show, a kind of extraterrestrial forging piece molding die of power transmission shaft, the die 2 including punch 1 with punch 1 cooperation, the upper end of described punch 1 sets
There is connecting plate 3, described connecting plate 3 offers connecting hole, punch 1 is fixed on the main shaft of moulding press by connecting plate 3, connect
Hole is used for being connected with moulding press；
As shown in figure 1, described punch 1 includes with power transmission shaft the drift 4 of extraterrestrial forging cooperation and by drift 4 and connecting plate 3
The connector 5 linking together, the shape of drift 4 is coordinated with the extraterrestrial forging of power transmission shaft, by drift 4 once to power transmission shaft during shaping
Extraterrestrial forging forming simultaneously makes the size qualification of the extraterrestrial forging of power transmission shaft, and the extraterrestrial forging of power transmission shaft does not need secondary operation, or only
Need fraction of secondary operation, substantially increase the production efficiency of the extraterrestrial forging of power transmission shaft, and reduce the labor of operating personnel
Fatigue resistance；
As shown in figure 1, described drift 4 and connector 5 are integral type structure, described connector 5 with diameter greater than drift 4
Circumscribed circle diameter, described drift 4 is coaxial with connector 5, and the length of described connector 5 is more than the length of drift 4, optimizes mould
Serviceability；
As shown in figure 1, being additionally provided with lead 11 on described connecting plate 3, described connecting plate 3 is fixed on connection by screw 14
On body 5, described connector 5 offers the screw 15 with screw 14 cooperation, is provided with described screw 15 and screw 14 is prevented
The spring 16 of pine, improves the precision of mould, and described lead 11 and connecting plate 3 are integral type structure, described lead 11
Lower end is provided with chamfering, and described lead 11 is hollow-core construction, reduces the manufacturing cost of mould；
As shown in figure 1, being arranged with die sleeve 6 outside described die 2, described die sleeve 6 is provided with the guiding with lead 11 cooperation
Hole 12, lead 11 is provided with chamfering, and lead 11 is convenient with pilot hole 12 cooperation, and described die 2 has die cavity 7, described recessed
The liftout hole 8 being communicated with die cavity 7 is further opened with mould 2, in described liftout hole 8, is provided with ejector beam 9, described ejector beam 9 is by hydraulic pressure
Cylinder drives, the power transmission shaft extraterrestrial forging ejection after shaping, and the upper end integral type of described ejector beam 9 is provided with forming section 10, institute
State the diameter with diameter greater than ejector beam 9 of forming section 10, described forming section 10 is coaxial with ejector beam 9, improves power transmission shaft extraterrestrial
The precision of forging；
As shown in figure 1, offering the positioning chamber 13 accommodating die 2 on described die sleeve 6, described positioning chamber 13 runs through die sleeve 6,
The lightening grooves being shaped as up-small and down-big truncated cone-shaped, described die sleeve 6 offering mitigation die sleeve 6 weight of described positioning chamber 13
17, die 2 is fixing reliable, and reduces mold use cost.
Technique scheme with respect to prior art, during mould forging forming extraterrestrial to power transmission shaft, the extraterrestrial forging of power transmission shaft
Forming accuracy is high, does not need secondary operation, or only need fraction of secondary operation after the extraterrestrial forging forming of power transmission shaft, thus significantly
Improve the production efficiency of the extraterrestrial forging of power transmission shaft, reduce the labour intensity of operating personnel.
These are only the preferred embodiment of the present invention it is intended to embody prominent technique effect and the advantage of the present invention, not
It is the restriction to technical scheme.Those skilled in the art will appreciate that all are based on the technology of the present invention content
Modification, change or the substitute technology feature made, all should be covered by the technology category that claims of the present invention are advocated
Interior.
Claims (5)
1. a kind of extraterrestrial forging piece molding die of power transmission shaft it is characterised in that：The die coordinate including punch (1) and with punch (1)
(2), the upper end of described punch (1) is provided with connecting plate (3), and described connecting plate (3) offers connecting hole, described punch (1) bag
Include the drift (4) of extraterrestrial forging cooperation and the connector (5) that drift (4) and connecting plate (3) link together, institute with power transmission shaft
Stating drift (4) with connector (5) is integral type structure, the circumscribed circle diameter with diameter greater than drift (4) of described connector (5)；
It is arranged with die sleeve (6), described die (2) has die cavity (7), and described die (2) is further opened with and die cavity outside described die (2)
(7) the liftout hole (8) communicating, is provided with ejector beam (9), described ejector beam (9) is by Driven by Hydraulic Cylinder, institute in described liftout hole (8)
The upper end integral type stating ejector beam (9) is provided with forming section (10), described forming section (10) straight with diameter greater than ejector beam (9)
Footpath, described forming section (10) is coaxial with ejector beam (9)；Lead (11), described die sleeve (6) are additionally provided with described connecting plate (3)
It is provided with the pilot hole (12) coordinating with lead (11), described die sleeve (6) offers the positioning chamber accommodating die (2)
(13), described positioning chamber (13) runs through die sleeve (6), described positioning chamber (13) be shaped as up-small and down-big truncated cone-shaped.
2. a kind of extraterrestrial forging piece molding die of power transmission shaft according to claim 1 it is characterised in that：Described connecting plate (3)
It is fixed on connector (5) by screw (14), described connector (5) is offered the screw (15) being coordinated with screw (14),
It is provided with described screw (15) and screw (14) is carried out with locking spring (16).
3. a kind of extraterrestrial forging piece molding die of power transmission shaft according to claim 1 it is characterised in that：On described die sleeve (6)
Offer the lightening grooves (17) mitigating die sleeve (6) weight.
4. a kind of extraterrestrial forging piece molding die of power transmission shaft according to claim 1 it is characterised in that：Described drift (4) with
Connector (5) is coaxial, and the length of described connector (5) is more than the length of drift (4).
5. the extraterrestrial forging piece molding die of a kind of power transmission shaft according to Claims 1-4 any one it is characterised in that：Institute
Stating lead (11) and connecting plate (3) is integral type structure, the lower end of described lead (11) be provided be easy to lead (11) with
The chamfering that pilot hole (12) coordinates, described lead (11) is hollow-core construction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610871563.7A CN106391967A (en) | 2016-09-30 | 2016-09-30 | Forming die of transmission shaft external star-wheel forged piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610871563.7A CN106391967A (en) | 2016-09-30 | 2016-09-30 | Forming die of transmission shaft external star-wheel forged piece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106391967A true CN106391967A (en) | 2017-02-15 |
Family
ID=59228080
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610871563.7A Pending CN106391967A (en) | 2016-09-30 | 2016-09-30 | Forming die of transmission shaft external star-wheel forged piece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106391967A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100810102B1 (en) * | 2006-09-20 | 2008-03-06 | 맹혁재 | Forging die for enlarging head diameter type parts and forging product thereof |
| CN201720382U (en) * | 2010-07-26 | 2011-01-26 | 上海爱知锻造有限公司 | Mold cavity for forging inner and outer star wheels |
| CN102989965A (en) * | 2011-09-19 | 2013-03-27 | 上海交大中京锻压有限公司 | Automotive besides-star wheel forging die structure |
| CN203917760U (en) * | 2014-05-13 | 2014-11-05 | 盐城理研精密锻造有限公司 | Out star wheel warm forging heading die |
| CN104942202A (en) * | 2015-07-02 | 2015-09-30 | 金世金属制品（吴江）有限公司 | Long-rod besides-star wheel pre-forging die structure |
| CN205309205U (en) * | 2015-12-29 | 2016-06-15 | 襄阳宇清锻造有限公司 | Novel forged mould of gear shaft |
| CN206046979U (en) * | 2016-09-30 | 2017-03-29 | 浙江德福精密驱动制造有限公司 | A kind of extraterrestrial forging piece molding die of power transmission shaft |
-
2016
- 2016-09-30 CN CN201610871563.7A patent/CN106391967A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100810102B1 (en) * | 2006-09-20 | 2008-03-06 | 맹혁재 | Forging die for enlarging head diameter type parts and forging product thereof |
| CN201720382U (en) * | 2010-07-26 | 2011-01-26 | 上海爱知锻造有限公司 | Mold cavity for forging inner and outer star wheels |
| CN102989965A (en) * | 2011-09-19 | 2013-03-27 | 上海交大中京锻压有限公司 | Automotive besides-star wheel forging die structure |
| CN203917760U (en) * | 2014-05-13 | 2014-11-05 | 盐城理研精密锻造有限公司 | Out star wheel warm forging heading die |
| CN104942202A (en) * | 2015-07-02 | 2015-09-30 | 金世金属制品（吴江）有限公司 | Long-rod besides-star wheel pre-forging die structure |
| CN205309205U (en) * | 2015-12-29 | 2016-06-15 | 襄阳宇清锻造有限公司 | Novel forged mould of gear shaft |
| CN206046979U (en) * | 2016-09-30 | 2017-03-29 | 浙江德福精密驱动制造有限公司 | A kind of extraterrestrial forging piece molding die of power transmission shaft |
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Legal Events
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170215 |
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| RJ01 | Rejection of invention patent application after publication |