CN109226650A - A kind of molding die and its processing method of gear shaft cold extrusion processing - Google Patents
A kind of molding die and its processing method of gear shaft cold extrusion processing Download PDFInfo
- Publication number
- CN109226650A CN109226650A CN201811394609.6A CN201811394609A CN109226650A CN 109226650 A CN109226650 A CN 109226650A CN 201811394609 A CN201811394609 A CN 201811394609A CN 109226650 A CN109226650 A CN 109226650A
- Authority
- CN
- China
- Prior art keywords
- cutter mechanism
- gear shaft
- die holder
- blank
- cutter
- Prior art date
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Classifications
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- 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
-
- 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
Abstract
The invention discloses a kind of molding dies of gear shaft cold extrusion processing, including upper die holder, lower die holder and pedestal, upper cutter mechanism matching hole is equipped in upper die holder on the inside of the damping spring, upper cutter mechanism is combined in upper cutter mechanism matching hole, the upper surface of the lower die holder offers lower cutter mechanism orifice, incision cutter mechanism is equipped in the lower cutter mechanism orifice, the centre of the incision cutter mechanism is equipped with mandrel, the bottom of the incision cutter mechanism is provided with through slot, interior be equipped with of the through slot passes through the fixed hydraulic cylinder of hydraulic cylinder fixed plate by bottom, the driving end of the hydraulic cylinder is connect below the lower die holder with mandrel by connector and is fixed with pedestal, gear shaft can be facilitated to take out after shaping using the molding die processing gear shaft, and it is capable of processing the gear shaft of different big specifications less, in being capable of processing extra waste material into Row is collected, and the invention also discloses a kind of gear shaft cold extruding processing method, the gear shaft quality produced using the processing method is preferable.
Description
Technical field
The present invention relates to mold and die processing method field, especially a kind of molding die of gear shaft cold extrusion processing
And its processing method.
Background technique
Currently, the molding die of processing gear shaft is commonly the mold of monoblock type, it has been specified that mold when processing mold
The specification size for the gear shaft being capable of processing, needs to process and multiple is capable of processing different size gear using this mode of manufacture gear shaft
The mold of axis causes unnecessary economic waste；Extra embryo material can flow the molding die of gear shaft during processing
It is more complicated in the process collected to these extra embryo materials out to outside mold, it can affect to the efficiency of processing, and
And it is unfavorable for the saving of resource；Currently, gear shaft cold extruding processing method seem because of the influence of processing mold it is more single and
Old stuff, production efficiency are lower；Therefore, it is necessary to which molding die and its processing method that ground processes gear shaft cold extrusion change
Into.
Summary of the invention
The present invention is insufficient in view of the above technology, and providing a kind of can facilitate gear shaft to exist using the molding die processing gear shaft
Taken out after molding, and be capable of processing the gear shafts of different big specifications less, be capable of processing in extra waste material be collected, the present invention mentions
The gear shaft cold extruding processing method of confession, and stable molding preferable using the gear shaft surface quality of processing method production.
In order to achieve the above objectives, the invention is realized by the following technical scheme:
The present invention provides a kind of molding die of gear shaft cold extrusion processing, including upper die holder, lower die holder and pedestal, described
The bottom of upper die holder is fixed with positioning column, is equipped with damping spring in the positioning column, in the upper die holder on the inside of the damping spring
Equipped with upper cutter mechanism matching hole, upper cutter mechanism is combined in upper cutter mechanism matching hole, the upper cutter mechanism
It is internally provided with gear stamping die, the inside of the gear stamping die is equipped with core model, and the upper surface of the lower die holder is opened
Equipped with lower cutter mechanism orifice, incision cutter mechanism, the left and right sides of the lower cutter mechanism orifice are equipped in the lower cutter mechanism orifice
It is provided with locating slot, the centre of the incision cutter mechanism is equipped with mandrel, and the bottom of the incision cutter mechanism is provided with through slot, described
Interior be equipped with of through slot passes through the fixed hydraulic cylinder on the lower die seat of hydraulic cylinder fixed plate, the driving end of the hydraulic cylinder by bottom
It is connect below the lower die holder by connector with mandrel and is fixed with pedestal.
Further, the upper cutter mechanism includes upper cutter fixing seat in a curved state and upper cutter in a curved state, institute
It states and is equipped with gear stamping die fixation hole in the middle part of upper cutter fixing seat, the top section of the gear stamping die is connected to gear
The top of stamping die fixation hole, in gear stamping die fixation hole, the upper cutter is welded on for the cooperation of the mold core
Several through-holes are distributed in the bottom of cutter fixing seat, the surface of the upper cutter, and the top of the gear stamping die is equipped with
The top cover being bolted in upper cutter fixing seat.
Further, the incision cutter mechanism includes lower cutter fixing seat in a curved state and lower cutter in a curved state, institute
It states and is equipped with core axle hole in the middle part of lower cutter fixing seat, in core axle hole, the bottom of the lower cutter fixing seat is welded for the mandrel cooperation
The coordinating block of ring-shaped is connect, in being located at the mating groove opened up in lower die holder, the lower cutter is welded on for the coordinating block cooperation
On the surface of cutter fixing seat, several through-holes, the inside of the lower cutter is distributed in the surface of the lower cutter upper section
Form punching press chamber.
Further, reject chute, the left and right two of the lower die holder are offered in the lower die holder in the outside of the incision cutter mechanism
It is equipped with waste recovery block in side, the waste material cavity for collecting waste material, the waste material trench bottom are equipped in the waste recovery block
It is communicated in waste material cavity.
The present invention also provides a kind of gear shaft cold extruding processing methods, comprising the following steps:
(1) bar raw material is sawn into blank to be processed by blanking；
(2) ball blast mixes appropriate water chestnut sand in the shot of shot-blasting machine, and blank surface feather plucking is formed pit；
(3) proportioned graphite liquid is warmed to 145 DEG C -310 DEG C by surface covering, will be placed in it by the blank of ball blast
It is middle to impregnate several minutes, it dries；
(4) it heats, the blank heating that coating is completed is to 745-960 DEG C；
(5) it forges, the blank after heating just squeeze；
(6) blank is packed into normalizing furnace by normalizing, is warming up to 815-855 DEG C, keeps the temperature 2 hours, air-cooled rapidly after coming out of the stove；
(7) ball blast is added the shot of 0.6~0.7mm in shot-blasting machine, blank inner and outer surfaces oxide skin is removed；
(8) blank after ball blast is carried out phospholeum surface treatment by phospholeum, and phosphatization 15-25 minutes, saponification 10-30 divided
Clock；
(9) cold extrusion shaped, the blank made is put into the molding die of gear shaft cold extrusion processing described above
Carry out extrusion forming.
The invention has the benefit that
Gear shaft can be facilitated to take out after shaping using the molding die processing gear shaft, and be capable of processing different big few rule
The gear shaft of lattice, be capable of processing in extra waste material be collected, the gear shaft surface matter produced using processing method of the invention
Measure preferable and stable molding.
Detailed description of the invention
Fig. 1 is mold overall structure diagram of the invention.
Fig. 2 is the bottom view of upper die holder.
Fig. 3 is the top view of lower die holder.
In figure, upper die holder 1, lower die holder 2, pedestal 3, positioning column 4, damping spring 5, upper cutter mechanism matching hole 6, gear punching
Compression mould 7, core model 8, lower cutter mechanism orifice 9, locating slot 10, mandrel 11, through slot 12, hydraulic cylinder fixed plate 13, connector 14, on cut
Knife fixing seat 15, upper cutter 16, gear stamping die fixation hole 17, top cover 18, lower cutter fixing seat 19, lower cutter 20, mandrel
Hole 21, coordinating block 22, mating groove 23, reject chute 24, waste recovery block 25, waste material cavity 26, punching press chamber 27.
Specific embodiment
As shown in the combination of Fig. 1~3, a kind of molding die of gear shaft cold extrusion processing, including upper die holder 1,2 and of lower die holder
Pedestal 3, the bottom of the upper die holder 1 are fixed with positioning column 4, are equipped with damping spring 5, the damping spring 5 in the positioning column 4
It is equipped with upper cutter mechanism matching hole 6 in the upper die holder 1 of inside, is combined with upper cutter mechanism in upper cutter mechanism matching hole 6,
The upper cutter mechanism is internally provided with gear stamping die 7, and the inside of the gear stamping die 7 is equipped with core model 8, institute
The upper surface for stating lower die holder 2 offers lower cutter mechanism orifice 9, incision cutter mechanism is equipped in the lower cutter mechanism orifice 9, under described
The left and right sides in cutter mechanism hole 9 is provided with locating slot 10, and the centre of the incision cutter mechanism is equipped with mandrel 11, the lower cutter
The bottom of mechanism is provided with through slot 12, and interior be equipped with of the through slot 12 is fixed on lower die by hydraulic cylinder fixed plate 13 by bottom
The driving end of hydraulic cylinder on seat 2, the hydraulic cylinder is fixed with by the lower section that connector 14 connect the lower die holder 2 with mandrel 11
Pedestal 3.
The upper cutter mechanism includes upper cutter fixing seat 15 in a curved state and upper cutter in a curved state 16, it is described on
Gear stamping die fixation hole 17 is equipped in the middle part of cutter fixing seat 15, the top section of the gear stamping die 7 is connected to tooth
The top of stamping die fixation hole 17 is taken turns, the cooperation of the mold core is in gear stamping die fixation hole 17, the upper cutter 16
It is welded on the bottom of upper cutter fixing seat 15, several through-holes, the gear stamping die is distributed in the surface of the upper cutter 16
The top of tool is equipped with the top cover 18 being bolted in upper cutter fixing seat 15.
The incision cutter mechanism includes lower cutter fixing seat 19 in a curved state and lower cutter in a curved state 20, under described
Core axle hole 21 is equipped in the middle part of cutter fixing seat 19, the mandrel 11 cooperates in core axle hole 21, the lower cutter fixing seat 19
The coordinating block 22 of ring-shaped is welded in bottom, and the cooperation of coordinating block 22 is described in being located at the mating groove 23 opened up in lower die holder 2
Lower cutter 20 is welded on the surface of cutter fixing seat, several through-holes are distributed in the surface of 20 upper section of lower cutter,
The inside of the lower cutter 20 forms punching press chamber 27.
Reject chute 24 is offered in the lower die holder 2 in the outside of the incision cutter mechanism, in the left and right sides of the lower die holder 2
Equipped with waste recovery block 25, the waste material cavity 26 for collecting waste material, the reject chute 24 are equipped in the waste recovery block 25
Bottom is communicated in waste material cavity 26.
A kind of gear shaft cold extruding processing method, comprising the following steps:
(1) bar raw material is sawn into blank to be processed by blanking；
(2) ball blast mixes appropriate water chestnut sand in the shot of shot-blasting machine, and blank surface feather plucking is formed pit；
(3) proportioned graphite liquid is warmed to 145 DEG C -310 DEG C by surface covering, will be placed in it by the blank of ball blast
It is middle to impregnate several minutes, it dries；
(4) it heats, the blank heating that coating is completed is to 745-960 DEG C；
(5) it forges, the blank after heating just squeeze；
(6) blank is packed into normalizing furnace by normalizing, is warming up to 815-855 DEG C, keeps the temperature 2 hours, air-cooled rapidly after coming out of the stove；
(7) ball blast is added the shot of 0.6~0.7mm in shot-blasting machine, blank inner and outer surfaces oxide skin is removed；
(8) blank after ball blast is carried out phospholeum surface treatment by phospholeum, and phosphatization 15-25 minutes, saponification 10-30 divided
Clock；
(9) cold extrusion shaped, the blank made is put into punching press chamber 27, the top of upper die holder 1 needs to be connected to punching
On the driving end of press, stamping press is provided by press machine, upper die holder 1 is toward 2 punching press of lower die holder, and upper cutter 16 is on lower die holder 2
Lower cutter 20 in the outside redundance of embryo material cut, the extra embryo material after cutting passes through upper cutter 16 and lower cutter
Through-hole on 20 is flowed into reject chute 24, then is endured by the inflow of reject chute 24 and recycled in waste material cavity 26；Gear stamping die
Tool 7 carries out punching press to embryo material from top to bottom, and embryo material enters in core model 8 when punching press and punch forming is gear shaft；Upper die holder 1 is multiple
By Hydraulic Cylinder mandrel 11 behind position, mandrel 11 pushes gear shaft to be detached from punching press chamber 27, to facilitate taking-up gear shaft；On cut
Cutter mechanism and incision cutter mechanism are the connection structure of detachable type, can be replaced to it, to adapt to different size
Gear shaft production needs；Waste recovery block 25 is also movable connection structure, can be by waste recovery block 25 after garbage collection
It is transferred to from lower die holder 2, the waste material being recovered to can be re-used.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
Member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications also should be regarded as
Protection scope of the present invention.
Claims (5)
1. a kind of molding die of gear shaft cold extrusion processing, including upper die holder, lower die holder and pedestal, it is characterised in that: described
The bottom of upper die holder is fixed with positioning column, is equipped with damping spring in the positioning column, in the upper die holder on the inside of the damping spring
Equipped with upper cutter mechanism matching hole, upper cutter mechanism is combined in upper cutter mechanism matching hole, the upper cutter mechanism
It is internally provided with gear stamping die, the inside of the gear stamping die is equipped with core model, and the upper surface of the lower die holder is opened
Equipped with lower cutter mechanism orifice, incision cutter mechanism, the left and right sides of the lower cutter mechanism orifice are equipped in the lower cutter mechanism orifice
It is provided with locating slot, the centre of the incision cutter mechanism is equipped with mandrel, and the bottom of the incision cutter mechanism is provided with through slot, described
Interior be equipped with of through slot passes through the fixed hydraulic cylinder on the lower die seat of hydraulic cylinder fixed plate, the driving end of the hydraulic cylinder by bottom
It is connect below the lower die holder by connector with mandrel and is fixed with pedestal.
2. a kind of molding die of gear shaft cold extrusion processing according to claim 1, which is characterized in that the upper cutter
Mechanism includes upper cutter fixing seat in a curved state and upper cutter in a curved state, is equipped with gear in the middle part of the upper cutter fixing seat
The top section of stamping die fixation hole, the gear stamping die is connected to the top of gear stamping die fixation hole, described
Mold core cooperates in gear stamping die fixation hole, and the upper cutter is welded on the bottom of upper cutter fixing seat, the upper cutter
Surface be distributed with several through-holes, the top of the gear stamping die, which is equipped with, to be bolted in upper cutter fixing seat
Top cover.
3. a kind of molding die of gear shaft cold extrusion processing according to claim 1, which is characterized in that the lower cutter
Mechanism includes lower cutter fixing seat in a curved state and lower cutter in a curved state, is equipped with mandrel in the middle part of the lower cutter fixing seat
Hole, the mandrel cooperation is in core axle hole, the coordinating block of the bottom welding ring-shaped of the lower cutter fixing seat, the coordinating block
Cooperate in being located at the mating groove opened up in lower die holder, the lower cutter is welded on the surface of cutter fixing seat, the incision
Several through-holes are distributed in the surface of knife upper section, and the inside of the lower cutter forms punching press chamber.
4. a kind of molding die of gear shaft cold extrusion processing according to claim 1, which is characterized in that the lower cutter
Reject chute is offered in the lower die holder in the outside of mechanism, and waste recovery block is equipped in the left and right sides of the lower die holder, it is described useless
The waste material cavity for collecting waste material is equipped in material recycling block, the waste material trench bottom is communicated in waste material cavity.
5. a kind of gear shaft cold extruding processing method, which comprises the following steps:
(1) bar raw material is sawn into blank to be processed by blanking；
(2) ball blast mixes appropriate water chestnut sand in the shot of shot-blasting machine, and blank surface feather plucking is formed pit；
(3) proportioned graphite liquid is warmed to 145 DEG C -310 DEG C by surface covering, will be placed in one leaching by the blank of ball blast
Several minutes of bubble, dries；
(4) it heats, the blank heating that coating is completed is to 745-960 DEG C；
(5) it forges, the blank after heating just squeeze；
(6) blank is packed into normalizing furnace by normalizing, is warming up to 815-855 DEG C, keeps the temperature 2 hours, air-cooled rapidly after coming out of the stove；
(7) ball blast is added the shot of 0.6~0.7mm in shot-blasting machine, blank inner and outer surfaces oxide skin is removed；
(8) blank after ball blast is carried out phospholeum surface treatment, phosphatization 15-25 minutes, is saponified 10-30 minutes by phospholeum；
(9) cold extrusion shaped, the blank made is put into the gear shaft cold extrusion as described in any one of Claims 1 to 4
Extrusion forming is carried out in the molding die of processing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811394609.6A CN109226650B (en) | 2018-11-20 | 2018-11-20 | Forming die for cold extrusion processing of gear shaft and processing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811394609.6A CN109226650B (en) | 2018-11-20 | 2018-11-20 | Forming die for cold extrusion processing of gear shaft and processing method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109226650A true CN109226650A (en) | 2019-01-18 |
| CN109226650B CN109226650B (en) | 2020-07-07 |
Family
ID=65075594
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811394609.6A Active CN109226650B (en) | 2018-11-20 | 2018-11-20 | Forming die for cold extrusion processing of gear shaft and processing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109226650B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110576138A (en) * | 2019-10-09 | 2019-12-17 | 如皋市大生线路器材有限公司 | composite insulator ball socket forging die and forging process |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3540896A1 (en) * | 1985-11-18 | 1987-05-21 | Bohmter Maschf | CRUSHING DEVICE |
| CN202655371U (en) * | 2012-03-22 | 2013-01-09 | 张志平 | Cold extruding mould of gear shaft |
| CN207448672U (en) * | 2017-09-08 | 2018-06-05 | 北鹏首豪（天津）新型建材有限公司 | A kind of thermal insulation board shaving die |
| CN108326220A (en) * | 2018-04-20 | 2018-07-27 | 盐城市金洲机械制造有限公司 | A kind of gear shaft precision forging mold and manufacturing process |
| CN108380688A (en) * | 2018-02-08 | 2018-08-10 | 江苏海宇机械有限公司 | Splined shaft cold extrusion processing mold and processing method |
| CN207756733U (en) * | 2018-01-17 | 2018-08-24 | 东莞市精扩展实业有限公司 | A kind of motor drive shaft diel |
-
2018
- 2018-11-20 CN CN201811394609.6A patent/CN109226650B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3540896A1 (en) * | 1985-11-18 | 1987-05-21 | Bohmter Maschf | CRUSHING DEVICE |
| CN202655371U (en) * | 2012-03-22 | 2013-01-09 | 张志平 | Cold extruding mould of gear shaft |
| CN207448672U (en) * | 2017-09-08 | 2018-06-05 | 北鹏首豪（天津）新型建材有限公司 | A kind of thermal insulation board shaving die |
| CN207756733U (en) * | 2018-01-17 | 2018-08-24 | 东莞市精扩展实业有限公司 | A kind of motor drive shaft diel |
| CN108380688A (en) * | 2018-02-08 | 2018-08-10 | 江苏海宇机械有限公司 | Splined shaft cold extrusion processing mold and processing method |
| CN108326220A (en) * | 2018-04-20 | 2018-07-27 | 盐城市金洲机械制造有限公司 | A kind of gear shaft precision forging mold and manufacturing process |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110576138A (en) * | 2019-10-09 | 2019-12-17 | 如皋市大生线路器材有限公司 | composite insulator ball socket forging die and forging process |
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| Publication number | Publication date |
|---|---|
| CN109226650B (en) | 2020-07-07 |
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Address after: 523000 1st floor, No.78 SANHENG Road, Wentang brick kiln Industrial Zone, Dongcheng Street, Dongguan City, Guangdong Province Patentee after: Guangdong Zhengpin Intelligent Technology Co.,Ltd. Address before: 523121 1st floor, No.78 SANHENG Road, Wentang brick kiln Industrial Zone, Dongcheng Street, Dongguan City, Guangdong Province Patentee before: DONGGUAN ZHENGPIN HARDWARE ELECTRONIC Co.,Ltd. |