CN106238660A - A kind of motor shaft compound molding device and method - Google Patents
A kind of motor shaft compound molding device and method Download PDFInfo
- Publication number
- CN106238660A CN106238660A CN201610956567.5A CN201610956567A CN106238660A CN 106238660 A CN106238660 A CN 106238660A CN 201610956567 A CN201610956567 A CN 201610956567A CN 106238660 A CN106238660 A CN 106238660A
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- Prior art keywords
- die
- combined
- mould seat
- die holder
- left mould
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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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J5/00—Methods for forging, hammering, or pressing; Special equipment or accessories therefor
- B21J5/02—Die forging; Trimming by making use of special dies ; Punching during forging
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacture Of Motors, Generators (AREA)
Abstract
The invention discloses a kind of motor shaft compound molding device, including left mould seat, right die holder, the first combined die, the second combined die, the 3rd combined die, spacing device for discharging and device for discharging, wherein left mould seat is oppositely arranged with right die holder, first combined die is arranged at inside left mould seat by left die block, second combined die and the 3rd combined die are set in turn in inside right die holder by right die block, spacing device for discharging is arranged at inside left mould seat, and it being positioned at outside left die block, device for discharging is arranged at the outer middle side part of right die holder；The invention also discloses a kind of motor shaft combined shaping method, pressure slider slides, left and right die holder is driven to draw close, combined die on the die holder of left and right is simultaneously extruded to blank, and after molding, spacing device for discharging and device for discharging realize quickly discharging material, it is achieved motor shaft one procedure cold-extrusion shaping, improve the production efficiency of motor shaft, ensureing product quality, low cost, device is simple.
Description
Technical field
The present invention relates to motor shaft preparing technical field, particularly relate to a kind of motor shaft compound molding device and method.
Background technology
Existing cold extrusion motor shaft technology, produces for either simplex sequence, and this motor shaft part is by blank elder generation extrusion molding right-hand member one
Step, then extrusion molding right-hand member two step, then extrusion molding right-hand member three step；Left end step is become successively by right-hand member pressing method
Shape, this motor shaft part of last extrusion molding；Existing cross wedge rolling is that temperature is relatively at forging range internal shaping motor shaft
Height, properties of product decline.In its forming process, blank heart portion is different from extrusion molding is three-dimensional compressive stress, and its blank bears axially
Tension, easily there is crackle in heart portion, and this problem is cross wedge rolling class part common problem.And cross wedge rolling die cost is relatively
Height, the manufacturing cycle is long.There is the problems such as cost is high, product quality is difficult to control in this technique.
In sum, it is low to there is production efficiency in existing motor shaft preparation facilities and method, poor product quality, and cost is high
Problem.
Summary of the invention
It is an object of the invention to provide a kind of motor shaft compound molding device and method thereof and preparation method, above-mentioned to solve
The problem that prior art exists.
For achieving the above object, the invention provides following scheme:
A kind of motor shaft compound molding device, including left mould seat, right die holder, the first combined die, the second combined die, the
Three combined dies, spacing device for discharging and device for discharging；
Described left mould seat is oppositely arranged with described right die holder, all with through hole in the middle part of described left mould seat and described right die holder,
Described left mould block hole and described right die holder through hole are concentric holes；Push rod push pedal, described left mould it is provided with outside described left mould seat
Being provided with the first combined die, left die block and spacing device for discharging inside Zuo, described first combined die is by described
Left die block is fixedly installed in the middle part of described left mould seat, and described first combined die is internally provided with forming hole, and described
One combined die forming hole and described left mould block hole are concentric holes, arrange between described first combined die and described left mould seat
There is left backing plate；Being fixedly connected with a push rod in the middle part of described push rod push pedal, described push rod sequentially passes through described left mould seat, described left pad
Plate, described first combined die and the central through hole of described left die block；Described spacing device for discharging is arranged at a described left side
Inside die holder, and being positioned at outside described left die block, described spacing device for discharging includes spacing collar and pull bar, described limit
Position sleeve is fixedly installed on described left mould seat, and described pull bar includes cross bar and the limiting section of described cross bar one end, described cross bar
The other end sequentially passes through that described spacing collar and described left mould seat and described push rod push pedal are fixing to be connected, and described pull bar can be along axle
Move left and right, between described pull bar limiting section and described spacing collar, be provided with one first spring；
Described second combined die, described 3rd combined die and right die block it is provided with inside described right die holder,
Forming hole it is provided with inside described second combined die and described 3rd combined die, described second combined die forming hole,
Described 3rd combined die forming hole and described right die holder through hole are concentric holes, described second combined die and described 3rd combination
Die is fixedly installed in the middle part of described right die holder by described right die block successively, described 3rd combined die and the described right side
Being provided with right backing plate between die holder, the outer middle side part of described right die holder is provided with device for discharging, and described device for discharging includes sleeve
And kicker, described sleeve is fixing with described right die holder to be connected, and described kicker one end is arranged in the cavity of described sleeve, institute
Stating in the through hole that the kicker other end is arranged in described right die holder, described sleeve bottom is fixedly installed limited post, described spacing
The second spring it is provided with between post and described kicker.
Optionally, described left die block and described right die block are provided with the alignment pin cooperated.
Optionally, inside described left mould seat with described right die holder inside two ends be provided with the guide pillars and bushes cooperated.
Optionally, described left die block and described spacing device for discharging are all fixed on institute by cylinder soket head cap screw
State on left mould seat.
Optionally, described right die block and described sleeve are all fixed on described right die holder by cylinder soket head cap screw
On.
The present invention also provides for a kind of method using motor shaft compound molding device that motor shaft is carried out combined shaping, including
Following steps:
Step one, by two ends, left and right, all cylinder pieces of bar stock right-hand member with 10 ° of taper seats is positioned over described second combination
In die, and the conical surface of blank right-hand member contacts with a part for the shaped hole hole wall of described 3rd combined die；
Step 2, making pressure slider slide, pressure slider drives described left mould seat to move to right, and described right die holder moves to left, both sides
Blank is extruded by mould simultaneously, moves, directly more than in the middle part of the backward blank that the blank of forming hole sized fraction is squeezed
Contact with described right die holder to described left mould seat, described left mould seat and described right die holder move while described blank left end top
Dynamic described push rod moves to left, and described push rod push pedal moves to left, and described pull bar moves to left, and described pull bar compresses described first spring, until institute
Stating pull bar spacing by described spacing collar right-hand member, described blank right-hand member pushes described kicker and moves to right, and the second spring is on described top
Slowly compress under the effect of part block, until blank completes extruded；
After the extruding of step 3, blank becomes motor shaft product, pressure slider is made to return, described left mould seat and described right die holder
Described first combined die, the second combined die and the 3rd combined die is driven to return in situ, during die sinking, described first bullet
Spring is applied to described pull bar elastic force to the right, and described pull bar pulls described push rod push pedal to move to right, and described push rod push pedal drives described
Push rod moves to right, and described molded part is ejected by described push rod push pedal；While die sinking, described second spring reset is until described
Two springs are in intermediateness；
Step 4, until system stability, carries out dismantling molded part, applies pressure to the right to molded part and produces to the right
Displacement, make molded part separate with push rod, take off molded part.
Optionally, described left mould seat moves to right, and during described right die holder moves to left, described guide pillar enters the axle of described guide pin bushing
Central hole carries out guiding and spacing.
Optionally, described blank forming process uses and arrange on described left die block and described right die block
The described alignment pin cooperated position.
The present invention achieves techniques below beneficial effect relative to prior art:
1, the present invention uses upsetting squeeze combined shaping method once-forming, improves the production efficiency of motor shaft；
2, the present invention uses cold extrusion forming method, and precision is high, and the non-Warm status of material shapes, and performance is ensured.
3, the present invention is for dissimilar shaft forgings, according to the length of part and diameter only change left and right assembling die and
Adjust left baffle distance, it is achieved set of device can shape multiple model shaft forgings.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to institute in embodiment
The accompanying drawing used is needed to be briefly described, it should be apparent that, the accompanying drawing in describing below is only some enforcements of the present invention
Example, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to according to these accompanying drawings
Obtain other accompanying drawing.
Fig. 1 is the structural representation of motor shaft compound molding device of the present invention；
Fig. 2 is that motor shaft compound molding device of the present invention is to the structural representation after blank extrusion molding；
In figure: 1-left mould seat, 2-push rod, 3-push rod push pedal, 4-pull bar, 5-spacing collar, 6-the first spring, the left die of 7-
The left backing plate of fixed plate, 8-, 9-the first combined die, the right die holder of 10-, the right die block of 11-, 12-the second combined die, 13-
3rd combined die, the right backing plate of 14-, 15-sleeve, 16-limited post, 17-the second spring, 18-kicker, 19-blank, 20-become
Shape product, 21-alignment pin, 22-guide pin bushing, 23-guide pillar.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Describe, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments wholely.Based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under not making creative work premise
Embodiment, broadly falls into the scope of protection of the invention.
It is an object of the invention to provide a kind of motor shaft compound molding device and method.
Understandable for enabling the above-mentioned purpose of the present invention, feature and advantage to become apparent from, real with concrete below in conjunction with the accompanying drawings
The present invention is further detailed explanation to execute mode.
The present invention provides a kind of motor shaft compound molding device, as it is shown in figure 1, include left mould seat 1, right die holder 10, first
Combined die the 9, second combined die the 12, the 3rd combined die 13, spacing device for discharging and device for discharging；
Left mould seat 1 is oppositely arranged with right die holder 10, all with through hole, left mould seat 1 through hole in the middle part of left mould seat 1 and right die holder 10
It is concentric holes with right die holder 10 through hole；It is provided with push rod push pedal 3 outside left mould seat 1, is provided with the first combination inside left mould seat 1 recessed
Mould 9, left die block 7 and spacing device for discharging, the first combined die 9 is fixedly installed on left mould by left die block 7
In the middle part of seat 1, it is fixed by cylinder soket head cap screw between left die block 7 and left mould seat 1, in the first combined die 9
Portion is provided with forming hole, and the first combined die 9 forming hole is set according to concrete motor shaft size, and the first combined die 9 becomes
Type hole and left mould seat 1 through hole are concentric holes, are provided with left backing plate 8 between the first combined die 9 and left mould seat 1；In push rod push pedal 3
Portion is fixedly connected with a push rod 2, and push rod 2 sequentially passes through left mould seat 1, left backing plate the 8, first combined die 9 and left die block 7
Central through hole；Spacing device for discharging is arranged at inside left mould seat 1, and is positioned at outside left die block 7, spacing device for discharging
Including spacing collar 5 and pull bar 4, spacing collar 5 is fixedly installed on left mould seat 1 by cylinder soket head cap screw, and pull bar 4 is T
Shape pull bar, including cross bar and the limiting section of cross bar one end, the cross bar other end sequentially passes through spacing collar 5 and left mould seat 1 and push rod
Push pedal 3 is threaded, and pull bar 4 can drive pull bar push pedal 3 to move left and right vertically, the limiting section of pull bar 4 and spacing collar 5 it
Between be provided with one first spring 6, first spring 6 one end is against the limiting section bottom of pull bar 4, and the other end is against the end of spacing collar 5
End；
The second combined die the 12, the 3rd combined die 13 and right die block 11 it is provided with inside right die holder 10, second
Combined die 12 and the 3rd combined die 13 are internal is provided with forming hole, the second combined die 12 and the 3rd combined die 13
Forming hole is also based on concrete motor shaft size and is set, the second combined die 12 forming hole, the 3rd combined die forming hole
13 is concentric holes with right die holder 10 through hole, and the second combined die 12 passes through right die block 11 successively with the 3rd combined die 13
Being fixedly installed in the middle part of right die holder 10, right die block 11 is fixedly installed on right die holder 10 by cylinder soket head cap screw,
Being provided with right backing plate 14 between 3rd combined die 13 and right die holder 10, the outer middle side part of right die holder 10 is provided with device for discharging,
Device for discharging includes that sleeve 15 and kicker 18, sleeve 15 are connected by cylinder soket head cap screw is fixing with right die holder 10, head part
Block 18 one end is arranged in the cavity of sleeve 15, and kicker 18 other end is arranged in the through hole of right die holder 10, bottom sleeve 15
It is fixedly installed limited post 16 by cylinder soket head cap screw, between limited post 16 and kicker 18, is provided with the second spring 17, the
Two springs 17 are set in outside limited post 16, and second spring 17 one end in an intermediate state is against sleeve 15 bottom, and the other end supports
Bottom kicker 18.
Left die block 7 in the present invention is provided with, on right die block 11, the alignment pin 21 cooperated, left
Inside die holder 1 with right die holder 12 inside two ends be provided with the guide pillar 23 and guide pin bushing 22 cooperated, alignment pin 21, guide pillar 23 and lead
Two die holders are positioned by being disposed to during skin material molding of set 22, prevent in extrusion process grinding tool to occur partially
Move.
Present invention also offers a kind of motor shaft and carry out combined shaping method, the method is to be combined at above-mentioned motor shaft
Make on the basis of shape device, specifically comprise the following steps that
Step one, by two ends, left and right all cylinder pieces of bar stock 19 right-hand member with 10 ° of taper seats to be positioned over the second combination recessed
In mould 12, and the part contact of the shaped hole hole wall of the conical surface of blank 19 right-hand member and the 3rd combined die 13；
Step 2, making pressure slider slide, pressure slider drives left mould seat 1 to move to right, and right die holder 10 moves to left, two side molds with
Time blank 19 is extruded, move, directly more than in the middle part of the backward blank 19 that the blank 19 of forming hole sized fraction is squeezed
Contacting to left mould seat 1 with right die holder 10, while left mould seat 1 moves with right die holder 10, blank 9 left end pushes push rod 2 and moves to left,
Push rod push pedal 3 moves to left, and pull bar 4 moves to left, and pull bar 4 compresses the first spring 6, until pull bar 4 limited sleeve 5 right-hand member is spacing, and blank
19 right-hand members push kicker 18 and move to right, and the second spring 17 slowly compresses under the effect of kicker 18, until blank 10 completes to squeeze
Molded；
Guide pillar 23 on left mould seat 1 enters the axle center hole of the guide pin bushing 22 on right die holder 10 and guides and limit in this step
Position, the alignment pin 21 of setting that left die block 7 and right die block 11 cooperate positions the most simultaneously；
After the extruding of step 3, blank 19 becomes motor shaft product, being returned by pressure slider, left mould seat 1 carries with right die holder 10
Dynamic first combined die the 9, second combined die 12 and the 3rd combined die 13 return in situ, and during die sinking, the first spring 6 is executed
Adding to pull bar 4 elastic force to the right, pull bar 4 pulls push rod push pedal 3 to move to right, and push rod push pedal 3 drives push rod 2 to move to right, and push rod push pedal 3 will
Molded part 20 ejects；While die sinking, the second spring 17 resets until the second spring 17 is in intermediateness；
Step 4, until system stability, carries out dismantling molded part 20, and to product pressure to the right, molded part 20 is right
End pushes kicker 18, and kicker 18 compresses to the right the second spring 17, and the second spring 17 pressurized in intermediateness shrinks and produces
Displacement, makes molded part 20 separate with push rod 2, takes off molded part 20, obtains required motor axle product.
The present invention uses upsetting squeeze combined shaping method once-forming, improves the production efficiency of motor shaft；Employing cold-extruded becomes
Shape method, precision is high, and the non-Warm status of material shapes, and performance is ensured；For dissimilar shaft forgings, according to the length of part
Only change left and right assembling die with diameter and adjust left baffle distance, it is achieved set of device can shape multiple model
Shaft forgings.
Principle and the embodiment of the present invention are set forth by specific case used herein, saying of above example
Bright method and the core concept thereof being only intended to help to understand the present invention；Simultaneously for one of ordinary skill in the art, foundation
The thought of the present invention, the most all will change.To sum up, this specification content should not be managed
Solve as limitation of the present invention.
Claims (8)
1. a motor shaft compound molding device, it is characterised in that: include left mould seat, right die holder, the first combined die, second group
Close die, the 3rd combined die, spacing device for discharging and device for discharging；
Described left mould seat is oppositely arranged with described right die holder, all with through hole in the middle part of described left mould seat and described right die holder, described
Left mould block hole and described right die holder through hole are concentric holes；Push rod push pedal it is provided with, in described left mould seat outside described left mould seat
Side is provided with the first combined die, left die block and spacing device for discharging, and described first combined die is recessed by a described left side
Mould fixed plate is fixedly installed in the middle part of described left mould seat, and described first combined die is internally provided with forming hole, described first group
Closing die forming hole with described left mould block hole is concentric holes, is provided with a left side between described first combined die and described left mould seat
Backing plate；Be fixedly connected with a push rod in the middle part of described push rod push pedal, described push rod sequentially pass through described left mould seat, described left backing plate,
Described first combined die and the central through hole of described left die block；Described spacing device for discharging is arranged at described left mould seat
Inner side, and it is positioned at outside described left die block, described spacing device for discharging includes spacing collar and pull bar, described stop collar
Cylinder be fixedly installed on described left mould seat, described pull bar includes cross bar and the limiting section of described cross bar one end, described cross bar another
End sequentially passes through that described spacing collar and described left mould seat and described push rod push pedal are fixing to be connected, and described pull bar can a left side vertically
Move right, between described pull bar limiting section and described spacing collar, be provided with one first spring；
Described second combined die, described 3rd combined die and right die block it is provided with inside described right die holder, described
Forming hole it is provided with inside second combined die and described 3rd combined die, described second combined die forming hole, described
3rd combined die forming hole and described right die holder through hole are concentric holes, described second combined die and described 3rd combined die
It is fixedly installed in the middle part of described right die holder successively by described right die block, described 3rd combined die and described right die holder
Between be provided with right backing plate, the outer middle side part of described right die holder is provided with device for discharging, and described device for discharging includes sleeve and top
Part block, described sleeve is fixing with described right die holder to be connected, and described kicker one end is arranged in the cavity of described sleeve, described top
The part block other end is arranged in the through hole of described right die holder, and described sleeve bottom is fixedly installed limited post, described limited post with
The second spring it is provided with between described kicker.
A kind of motor shaft compound molding device the most according to claim 1, it is characterised in that: described left die block with
It is provided with, on described right die block, the alignment pin cooperated.
A kind of motor shaft compound molding device the most according to claim 1, it is characterised in that: inside described left mould seat and institute
State two ends inside right die holder and be provided with the guide pillars and bushes cooperated.
A kind of motor shaft compound molding device the most according to claim 1, it is characterised in that: described left die block with
Described spacing device for discharging is all fixed on described left mould seat by cylinder soket head cap screw.
A kind of motor shaft compound molding device the most according to claim 1, it is characterised in that: described right die block with
Described sleeve is all fixed on described right die holder by cylinder soket head cap screw.
6. one kind uses the motor shaft compound molding device as described in any one of claim 1 to 5 to be combined into motor shaft
The method of shape, it is characterised in that comprise the following steps:
Step one, by two ends, left and right, all cylinder pieces of bar stock right-hand members with 10 ° of taper seats are positioned over described second combined die
In, and a part of of the shaped hole hole wall of the conical surface of blank right-hand member and described 3rd combined die contact；
Step 2, making pressure slider slide, pressure slider drives described left mould seat to move to right, and described right die holder moves to left, two side molds
Blank is extruded simultaneously, move more than in the middle part of the backward blank that the blank of forming hole sized fraction is squeezed, until institute
Stating left mould seat to contact with described right die holder, while described left mould seat and described right die holder move, described blank left end pushes institute
Stating push rod to move to left, described push rod push pedal moves to left, and described pull bar moves to left, described pull bar compress described first spring, until described in draw
Bar is spacing by described spacing collar right-hand member, and described blank right-hand member pushes described kicker and moves to right, and the second spring is at described kicker
Effect under slowly compress, until blank completes extruded；
After the extruding of step 3, blank becomes motor shaft product, making pressure slider return, described left mould seat drives with described right die holder
Described first combined die, the second combined die and the 3rd combined die return in situ, and during die sinking, described first spring is executed
Adding to described pull bar elastic force to the right, described pull bar pulls described push rod push pedal to move to right, and described push rod push pedal drives described push rod
Moving to right, described molded part is ejected by described push rod push pedal；While die sinking, described second spring reset is until described second bullet
Spring is in intermediateness；
Step 4, until system stability, carries out dismantling molded part, applies pressure to the right to molded part and produces position to the right
Move, make molded part separate with push rod, take off molded part.
The method of a kind of motor shaft combined shaping the most according to claim 6, it is characterised in that: described left mould seat moves to right,
During described right die holder moves to left, described guide pillar enters the axle center hole of described guide pin bushing to carry out guiding and spacing.
The method of a kind of motor shaft combined shaping the most according to claim 6, it is characterised in that: described blank forming process
The described left die block of middle employing positions with the described alignment pin cooperated of setting on described right die block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610956567.5A CN106238660B (en) | 2016-10-28 | 2016-10-28 | A kind of motor shaft compound molding device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610956567.5A CN106238660B (en) | 2016-10-28 | 2016-10-28 | A kind of motor shaft compound molding device and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106238660A true CN106238660A (en) | 2016-12-21 |
| CN106238660B CN106238660B (en) | 2017-12-29 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610956567.5A Expired - Fee Related CN106238660B (en) | 2016-10-28 | 2016-10-28 | A kind of motor shaft compound molding device and method |
Country Status (1)
| Country | Link |
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| CN (1) | CN106238660B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109047492A (en) * | 2018-08-03 | 2018-12-21 | 芜湖勤惠科技有限公司 | A kind of composite die of punching press bracket of back axle |
| CN109909414A (en) * | 2019-04-19 | 2019-06-21 | 株洲中车天力锻业有限公司 | A kind of U-shaped plank-shaped forgings forging equipment and static pressure die-forging forming method |
| CN111001988A (en) * | 2019-12-19 | 2020-04-14 | 重庆阳登机电有限公司 | Motor shaft manufacturing process |
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| JPH02200339A (en) * | 1989-01-30 | 1990-08-08 | Nitto Seiko Co Ltd | Heading method for round point parts |
| JPH06238387A (en) * | 1993-02-16 | 1994-08-30 | Daido Steel Co Ltd | Forging of long size steel |
| CN101513702A (en) * | 2008-02-20 | 2009-08-26 | 周蔚 | Process and device for cold extrusion forming of gear pump main shaft |
| CN201921968U (en) * | 2010-11-17 | 2011-08-10 | 贵州航天新力铸锻有限责任公司 | Automatic hot heading near-net forming machine for heads of T-shaped bolt parts |
| CN205200190U (en) * | 2015-10-29 | 2016-05-04 | 重庆良能机械有限公司 | A anti - extrusion die for deep hole cylindric piece |
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2016
- 2016-10-28 CN CN201610956567.5A patent/CN106238660B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02200339A (en) * | 1989-01-30 | 1990-08-08 | Nitto Seiko Co Ltd | Heading method for round point parts |
| JPH06238387A (en) * | 1993-02-16 | 1994-08-30 | Daido Steel Co Ltd | Forging of long size steel |
| CN101513702A (en) * | 2008-02-20 | 2009-08-26 | 周蔚 | Process and device for cold extrusion forming of gear pump main shaft |
| CN201921968U (en) * | 2010-11-17 | 2011-08-10 | 贵州航天新力铸锻有限责任公司 | Automatic hot heading near-net forming machine for heads of T-shaped bolt parts |
| CN205200190U (en) * | 2015-10-29 | 2016-05-04 | 重庆良能机械有限公司 | A anti - extrusion die for deep hole cylindric piece |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109047492A (en) * | 2018-08-03 | 2018-12-21 | 芜湖勤惠科技有限公司 | A kind of composite die of punching press bracket of back axle |
| CN109909414A (en) * | 2019-04-19 | 2019-06-21 | 株洲中车天力锻业有限公司 | A kind of U-shaped plank-shaped forgings forging equipment and static pressure die-forging forming method |
| CN109909414B (en) * | 2019-04-19 | 2024-02-27 | 株洲中车天力锻业有限公司 | Die forging equipment for U-shaped plate forgings and static pressure die forging forming method |
| CN111001988A (en) * | 2019-12-19 | 2020-04-14 | 重庆阳登机电有限公司 | Motor shaft manufacturing process |
| CN111001988B (en) * | 2019-12-19 | 2021-01-08 | 重庆登阳机电有限公司 | Motor shaft manufacturing process |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106238660B (en) | 2017-12-29 |
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