CN108941232A - A kind of casted die mould - Google Patents
A kind of casted die mould Download PDFInfo
- Publication number
- CN108941232A CN108941232A CN201810744242.XA CN201810744242A CN108941232A CN 108941232 A CN108941232 A CN 108941232A CN 201810744242 A CN201810744242 A CN 201810744242A CN 108941232 A CN108941232 A CN 108941232A
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- Prior art keywords
- punch
- pin
- ring
- support tube
- plate
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- 238000003825 pressing Methods 0.000 claims abstract description 30
- 238000005096 rolling process Methods 0.000 claims description 12
- 230000006835 compression Effects 0.000 claims description 6
- 238000007906 compression Methods 0.000 claims description 6
- 230000009471 action Effects 0.000 claims description 5
- 238000005259 measurement Methods 0.000 claims description 5
- 238000009826 distribution Methods 0.000 claims description 2
- 230000036316 preload Effects 0.000 claims description 2
- 230000008859 change Effects 0.000 abstract description 2
- 239000002184 metal Substances 0.000 description 10
- 238000010586 diagram Methods 0.000 description 9
- 238000001125 extrusion Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000007246 mechanism Effects 0.000 description 4
- 238000000465 moulding Methods 0.000 description 3
- 238000007599 discharging Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- 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
- B21C23/00—Extruding metal; Impact extrusion
- B21C23/02—Making uncoated products
- B21C23/04—Making uncoated products by direct extrusion
- B21C23/14—Making other products
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forging (AREA)
Abstract
The invention discloses a kind of casted die mould, mold is mainly made of upper die and lower die, and wherein upper mold includes cope plate 1, upper padding plate 2, upper mounted plate 3, convex mould base 4, punch-pin 1, hanging ring 15, punch-pin 2 16 etc.；Lower die includes upper bush 6, shrink ring 1, cavity plate 1, lower sleeve 9, support tube 1, annular slab 11, lower bolster 12, lower template 13, mandril 14, upper pressing ring 17, upper cushion block 18, pull rod 19, cavity plate 2 20, shrink ring 2 21, lower clamping ring 22, lower cushion block 23, support tube 2 24, transiting rod 25, jacking block 26, cover board 27, rolls and fan ring 28 etc..The present invention can solve the problem of die mould opposition causes change in shape, unloading difficulties, folds, and can be applied to the forming of the blind hole component of local heavy wall.
Description
Technical field
The present invention relates to a kind of casted die moulds.
Background technique
The blind hole component of local heavy wall generally uses the manufacturing process such as Fig. 1 a forward extrusion upsetting type, and this method punch-pin is whole
Structure, after punch-pin and blank start contact, the speed that head metal flows up is faster than the speed that bottom metal flows downward,
When the downstream position of punch-pin reaches cavity plate stepped locations, blank thick wall part metal be will flow up, and be detached from cavity plate step, with
Punch-pin continues traveling downwardly, and after the step face contact of blank thick wall part metal and punch-pin, thick wall part metal starts again to next time
Stream is easy the defects of the stepped portions that contact with cavity plate generate folding, and after the completion of squeezing by blank from punch-pin elongate rod
In unload it is very difficult.
If the downstream position for working as punch-pin during backward extrusion reaches using the manufacturing process of the backward extrusion upsetting type such as Fig. 1 b
To cavity plate stepped locations, blank thick wall part metal be will flow up, and is detached from cavity plate step, cannot equally be met Components Shape and want
It asks.
Summary of the invention
The object of the present invention is to provide a kind of casted die moulds.
To achieve the goals above, using following technical scheme:
A kind of casted die mould, it is characterised in that: the mold includes upper die and lower die；
Wherein upper mold includes punch-pin one, and the threaded bar portion of punch-pin one and the internal thread hole of convex mould base link into an integrated entity,
The tapering of convex mould base and the internal taper hole of upper mounted plate are coupled, the large end face of convex mould base and the lower end face contact of upper padding plate, on
The upper surface of backing plate and the lower end face contact of cope plate, the outer circle clearance fit of two inner via hole of punch-pin and punch-pin one, punch-pin two
Upper surface and the lower surface of upper mounted plate are equipped with symmetrical hanging ring, are connect punch-pin two with upper mounted plate using chain sling.
Lower die includes lower template, and lower bolster, the threaded bar portion of mandril and the internal thread hole of jacking block are placed in upper surface
It links into an integrated entity, then mandril is put into the centre bore of lower bolster, and pass through the centre bore of lower template；Lower sleeve is placed on underlay
The ledge surface of plate, annular slab pass through the inner hole of lower sleeve and are placed on the upper surface of lower bolster, and the outer surface of annular slab is under
The internal surface gaps of sleeve cooperate, and support tube one passes through the inner hole of lower sleeve and is placed on the upper surface of lower bolster, support tube one
Outer surface and the internal surface gaps of lower sleeve and annular slab cooperate, lower clamping ring is placed on the upper surface of lower sleeve, and will be symmetrical
The lower cushion block of distribution passes through the positioning through hole of lower clamping ring and the Blind locating holes of lower sleeve, realizes that the circumferential direction of lower clamping ring and lower sleeve is fixed
Position, support tube two pass through the inner hole of lower clamping ring and are placed on the ledge surface of support tube one and are formed clearance fit, upper bush
The Blind locating holes of lower surface contacted with the upper surface of lower cushion block and circumferential cooperation, the inner surface of upper bush and the method for support tube two
Blue outer circle clearance fit, upper bush and lower sleeve are bolted to connection；The inner surface of cavity plate two is outer with shrink ring two
Surface interference fit is installed, and the upper surface of support tube two is placed on integrally through the inner hole of upper bush；Shrink ring one it is interior
Surface and the outer surface of cavity plate one, which are interference fitted, installs, and the upper surface of cavity plate two is placed on integrally through the inner hole of upper bush,
Cover board is placed on the upper surface of cavity plate one, and upper cushion block is placed in the Blind locating holes of the upper surface of upper bush, and upper pressing ring is placed on
The upper surface of upper cushion block, symmetrical pull rod pass through the inner hole of upper pressing ring and lower clamping ring, pass through spiral shell in the upper and lower ends of pull rod
Upper pressing ring is connect fastening with lower clamping ring and pull rod by mother, and transiting rod is finally passed through to the inner hole of cavity plate one, cavity plate two, support tube two
And it is placed on the upper surface of jacking block.
The process of die mould is that the intracavitary portion of the type that blank is placed on lower die first, punch-pin two is dropped through by chain sling
Cover board upper surface is placed on after the inner hole of pressing ring；Then under the rotation of rotating mechanism, quickly drive punch-pin two along central axis
60 ° of rotation, so that the flange boss of punch-pin two be made to be located at the underface of upper pressing ring flange boss；Then punch-pin one is with upper mold downlink
It is contacted with blank and is plastically deformed blank, while punch-pin two limits the distance that metal flows up, and forces metal downward
Flowing is full of type chamber, and after punch-pin one reaches the displacement of design, blank deformation is completed.Then punch-pin one is with the upward backhaul of upper mold,
Blank is fallen off from punch-pin one under the action of punch-pin two；Then under the rotation of rotating mechanism, punch-pin two is driven to continue edge
Central axis rotates 60 °, so that the flange boss of punch-pin two be made to be located at the underface of upper pressing ring flange hole, with upper mold upwards after
Continuous backhaul connects punch-pin two and upper mounted plate by chain sling, punch-pin two is made to leave lower die；Then mandril moves up through transition
Blank is ejected drag chamber by bar, to complete feeding.
The outside of the punch-pin two is that there are three symmetrical flange boss, the internal via shapes and punch-pin of upper pressing ring for band
Two shapes with flange boss are consistent, and three rollings are placed on two flange boss of punch-pin and fan ring, when the upper following table for rolling fan ring
After face is contacted with upper pressing ring flange boss, punch-pin two respectively, reduce contact friction under the ball action for rolling fan ring.
Wherein FActual measurementFor the resistance of deformation that punch-pin two is born, SContactFor upper pressing ring and three it is symmetrical
Roll fan loop interface product summation, [PFace] it is the tension and compression allowable stress that upper pressing ring and punch-pin two are born.
Wherein dBarFor the diameter of pull rod, FActual measurementFor the resistance of deformation that punch-pin two is born, η is pull rod
Pre-tighten coefficient, [PBar] it is the tension and compression allowable stress that pull rod is born, n is the quantity of symmetrical pull rod.
Its punch-pin is made of punch-pin one and punch-pin two in the present invention, and the deformation that can reduce punch-pin of this separate structure is anti-
Power increases the stability of punch-pin one, does not generate folding, while so that blank is detached from punch-pin one by punch-pin two and completing discharging, guarantee
The forming accuracy of the blind hole component of local heavy wall.
Figure of description
Fig. 1 a is the structural schematic diagram before the die mould of traditional forward extrusion upsetting type and after die mould；
Fig. 1 b is the structural schematic diagram before the die mould of traditional backward extrusion upsetting type and after die mould；
Fig. 2 a is the structural schematic diagram before casted die mould die mould；
Fig. 2 b is the structural schematic diagram after casted die mould molding；
Fig. 2 c is the structural schematic diagram after casted die mould die mould；
Fig. 3 a is upper ring pressing construction schematic diagram；
Fig. 3 b is the cross-sectional view of Fig. 3 a；
Fig. 4 a is punch-pin two and rolling fan ring structure schematic diagram；
Fig. 4 b is the cross-sectional view of Fig. 4 a；
Fig. 5 a is the molding schematic diagram downwards of punch-pin two；
Fig. 5 b is the cross-sectional view of Fig. 5 a；
Fig. 6 a is the rotation schematic diagram after punch-pin two molds；
Fig. 6 b is the cross-sectional view of Fig. 6 a.
Wherein, 1- cope plate；2- upper padding plate；3- upper mounted plate；4- convex mould base；5- punch-pin one；6- upper bush；7- prestressing force
Circle one；8- cavity plate one；9- lower sleeve；10- support tube one；11- annular slab；12- lower bolster；13- lower template；14- mandril；15-
Hanging ring；16- punch-pin two；The upper pressing ring of 17-；The upper cushion block of 18-；19- pull rod；20- cavity plate two；21- shrink ring two；22- lower clamping ring；
23- lower cushion block；24- support tube two；25- transiting rod；26- jacking block；27- cover board；28- rolls fan ring.
Specific embodiment
With reference to the accompanying drawing, embodiments of the present invention will be described.
Such as the initial blank in Fig. 2 a, big end outer diameter is Φ 384mm, and big end outer diameter is Φ 256mm, diameter of bore Φ
184mm, the total a height of 629mm of blank.The resistance of deformation F that its die mould process convex mould 2 16 is bornActual measurementIt is 1100 tons, upper pressing ring 17
Tension and compression allowable stress [the P born with punch-pin 2 16Face] it is 120MPa, then pass throughPressing ring 17 and three are calculated
A symmetrical rolling fan 28 contact area summation of ring is at least 91666.67mm2, then the contact of ring 28 is fanned with single rolling
Area is at least 30555.56mm2.The internal diameter of design rolling fan ring 28 is Φ 640mm thus, outer diameter is Φ 860mm, then its list
A contact area is 43196.956mm2, meet design requirement.
Preload coefficient η=1 of pull rod 19, the tension and compression allowable stress [P that pull rod 19 is born are designed simultaneouslyBar] it is 200MPa, it is false
If quantity n is 6, then basisThe diameter that pull rod is calculated is at least 108mm.Pull rod is designed thus
19 diameter is 116mm, and quantity is 6, meets design requirement.
The mould structure of design such as Fig. 2 a, upper mold include punch-pin 1, the threaded bar portion and convex mould base 4 of punch-pin 1
Internal thread hole link into an integrated entity, the tapering of convex mould base 4 and the internal taper hole of upper mounted plate 3 are coupled, the large end face of convex mould base 4
With the lower end face contact of upper padding plate 2, the lower end face contact of the upper surface of upper padding plate 2 and cope plate 1,2 16 inner via hole of punch-pin with it is convex
The outer circle clearance fit of mould 1, the upper surface of punch-pin 2 16 and the lower surface of upper mounted plate 3 are equipped with symmetrical hanging ring 15, adopt
Punch-pin 2 16 is connect with upper mounted plate 3 with chain sling.
Lower die includes lower template 13, and lower bolster 12, threaded bar portion and the jacking block 26 of mandril 14 are placed in upper surface
Internal thread hole links into an integrated entity, and then mandril 14 is put into the centre bore of lower bolster 12, and pass through the centre bore of lower template 13；Under
Sleeve 9 is placed on the ledge surface of lower bolster 12, and annular slab 11 passes through the inner hole of lower sleeve 9 and is placed on the upper table of lower bolster 12
Face, the outer surface of annular slab 11 and the internal surface gaps of lower sleeve 9 cooperate, and support tube 1 passes through the inner hole of lower sleeve 9 and puts
The internal surface gaps set in the upper surface of lower bolster 12, the outer surface of support tube 1 and lower sleeve 9 and annular slab 11 cooperate, under
Pressing ring 22 is placed on the upper surface of lower sleeve 9, and symmetrical lower cushion block 23 is passed through the positioning through hole of lower clamping ring 22 under
The Blind locating holes of sleeve 9 realize that lower clamping ring 22 and the circumferential of lower sleeve 9 position, and support tube 2 24 passes through the inner hole of lower clamping ring 22
And it is placed on the ledge surface of support tube 1 and is formed clearance fit, the Blind locating holes and underlay of the lower surface of upper bush 6
The upper surface contact and circumferential cooperation of block 23, the flange excircle clearance fit of the inner surface and support tube 2 24 of upper bush 6, upper set
Cylinder 6 and lower sleeve 9 are bolted to connection；The inner surface of cavity plate 2 20 and the outer surface of shrink ring 2 21 are interference fitted and pacify
It fills, and is placed on the upper surface of support tube 2 24 integrally through the inner hole of upper bush 6；The inner surface and cavity plate of shrink ring 1
One 8 outer surface is interference fitted installation, and the upper surface of cavity plate 2 20, cover board 27 are placed on integrally through the inner hole of upper bush 6
It is placed on the upper surface of cavity plate 1, in the Blind locating holes for the upper surface that upper cushion block 18 is placed on upper bush 6, upper pressing ring 17 is placed
In the upper surface of upper cushion block 18, symmetrical pull rod 19 passes through the inner hole of upper pressing ring 17 and lower clamping ring 22, in the upper of pull rod 19
Upper pressing ring 17 is connect fastening with lower clamping ring 22 and pull rod 19 by nut by lower both ends, finally by transiting rod 25 across cavity plate 1,
Cavity plate 2 20, support tube 2 24 inner hole and be placed on the upper surface of jacking block 26.
In order to realize die mould and discharging, the outside of the punch-pin 2 16 (its structure such as Fig. 4 a and Fig. 4 b) of design is there are three bands
Symmetrical flange boss, the 2 16 band flange boss of internal via shape and punch-pin of upper pressing ring 17 (its structure such as Fig. 3 a and Fig. 3 b)
Shape it is consistent, place three rolling on 2 16 flange boss of punch-pin and fan rings 28, when the upper and lower surface for rolling fan ring 28 is distinguished
After contacting with upper 17 flange boss of pressing ring, punch-pin 2 16, reduce contact friction under the ball action for rolling fan ring 28.
Then initial blank is put into the intracavitary portion of type of the lower die of Fig. 2 a, punch-pin 2 16 is dropped through upper pressing ring by chain sling
27 upper surface of cover board (such as Fig. 5 a and Fig. 5 b) is placed on after 17 inner hole；Then it under the rotation of rotating mechanism, quickly drives convex
Mould 2 16 rotates 60 ° along central axis, so that the flange boss of punch-pin 2 16 be made to be located at the underface of upper 17 flange boss of pressing ring
(such as Fig. 6 a and Fig. 6 b), to complete molding (such as Fig. 2 b).
Then punch-pin 1 contacts with blank with upper mold downlink and is plastically deformed blank, while punch-pin 2 16 limits
The distance that metal flows up forces metal to flow downward full of type chamber, after punch-pin 1 runs the displacement of 1722mm, blank
(such as Fig. 2 c) is completed in deformation.
Then punch-pin 1 falls off blank under the action of punch-pin 2 16 with the upward backhaul of upper mold from punch-pin 1；It connects
Under the rotation of rotating mechanism, drive punch-pin 2 16 continue along central axis rotate 60 °, to keep the flange of punch-pin 2 16 convex
Platform is located at the underface of upper 17 flange hole of pressing ring, as upper mold continues up backhaul, connects punch-pin 2 16 and upper solid by chain sling
Fixed board 3 makes punch-pin 2 16 leave lower die；Then mandril 14 moves up through transiting rod 25 and blank is ejected drag chamber, from
And complete feeding.
The present invention can solve the problem of die mould opposition causes change in shape, unloading difficulties, folds, and can apply
In the forming of the blind hole component of local heavy wall.
Claims (4)
1. a kind of casted die mould, it is characterised in that: the mold includes upper die and lower die；
Wherein upper mold includes punch-pin one, and the threaded bar portion of punch-pin one and the internal thread hole of convex mould base link into an integrated entity, punch-pin
The tapering of seat and the internal taper hole of upper mounted plate are coupled, the large end face of convex mould base and the lower end face contact of upper padding plate, upper padding plate
Upper surface and cope plate lower end face contact, the outer circle clearance fit of two inner via hole of punch-pin and punch-pin one, the upper table of punch-pin two
Face and the lower surface of upper mounted plate are equipped with symmetrical hanging ring, are connect punch-pin two with upper mounted plate using chain sling；
Lower die includes lower template, and lower bolster is placed in upper surface, and the threaded bar portion of mandril and the internal thread hole of jacking block connect
Integrally, then mandril is put into the centre bore of lower bolster, and pass through the centre bore of lower template；Lower sleeve is placed on lower bolster
Ledge surface, annular slab pass through the inner hole of lower sleeve and are placed on the upper surface of lower bolster, the outer surface of annular slab and lower sleeve
Internal surface gaps cooperation, support tube one passes through the inner hole of lower sleeve and is placed on the upper surface of lower bolster, support tube one it is outer
The internal surface gaps of surface and lower sleeve and annular slab cooperate, and lower clamping ring is placed on the upper surface of lower sleeve, and will be symmetrical
Lower cushion block pass through the positioning through hole of lower clamping ring and the Blind locating holes of lower sleeve, realize that the circumferential of lower clamping ring and lower sleeve positions,
Support tube two passes through the inner hole of lower clamping ring and is placed on the ledge surface of support tube one and is formed clearance fit, under upper bush
The Blind locating holes on surface are contacted with the upper surface of lower cushion block and circumferential cooperation, outside the inner surface of upper bush and the flange of support tube two
Circle clearance fit, upper bush and lower sleeve are bolted to connection；The inner surface of cavity plate two and the outer surface of shrink ring two
Interference fit is installed, and the upper surface of support tube two is placed on integrally through the inner hole of upper bush；The inner surface of shrink ring one
It is interference fitted and installs with the outer surface of cavity plate one, and be placed on the upper surface of cavity plate two, cover board integrally through the inner hole of upper bush
It is placed on the upper surface of cavity plate one, upper cushion block is placed in the Blind locating holes of the upper surface of upper bush, and upper pressing ring is placed on pad
The upper surface of block, symmetrical pull rod pass through the inner hole of upper pressing ring and lower clamping ring, are incited somebody to action in the upper and lower ends of pull rod by nut
Upper pressing ring connect fastening with lower clamping ring and pull rod, finally by transiting rod pass through cavity plate one, cavity plate two, support tube two inner hole and put
It sets in the upper surface of jacking block.
2. a kind of casted die mould as described in claim 1, it is characterised in that: the outside of the punch-pin two is that there are three right for band
Claim the flange boss of distribution, shape of the internal via shape of upper pressing ring with punch-pin two with flange boss is consistent, convex in two flange of punch-pin
Three rollings are placed on platform fans ring.
3. a kind of casted die mould as described in claim 1, it is characterised in that:Wherein FActual measurementFor the receiving of punch-pin two
Resistance of deformation, SContactLoop interface product summation, [P are fanned for upper pressing ring and three symmetrical rollingsFace] it is upper pressing ring and punch-pin
The two tension and compression allowable stresses born.
4. a kind of casted die mould as described in claim 1, it is characterised in that:Wherein dBarFor the straight of pull rod
Diameter, FActual measurementFor the resistance of deformation (N) that punch-pin is born, η is the preload coefficient of pull rod, [PBar] it is the tension and compression allowable stress that pull rod is born,
N is the quantity of symmetrical pull rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810744242.XA CN108941232B (en) | 2018-07-09 | 2018-07-09 | A kind of casted die mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810744242.XA CN108941232B (en) | 2018-07-09 | 2018-07-09 | A kind of casted die mould |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108941232A true CN108941232A (en) | 2018-12-07 |
| CN108941232B CN108941232B (en) | 2019-11-19 |
Family
ID=64482415
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810744242.XA Active CN108941232B (en) | 2018-07-09 | 2018-07-09 | A kind of casted die mould |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108941232B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113020512A (en) * | 2021-03-19 | 2021-06-25 | 盐城中德精锻股份有限公司 | Composite forming process and device for thin-wall deep-hole barrel precision forging |
| CN113369327A (en) * | 2021-06-11 | 2021-09-10 | 中国兵器工业第五九研究所 | Open cavity circular extrusion process |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU871980A1 (en) * | 1978-10-18 | 1981-10-15 | Физико-технический институт АН БССР | Die for direct extruding |
| JPS56165535A (en) * | 1980-05-26 | 1981-12-19 | Komatsu Ltd | Working method for cylindrical parts |
| CN2885442Y (en) * | 2006-02-15 | 2007-04-04 | 北京机电研究所 | Axle sleeve extruding die |
| CN201217019Y (en) * | 2008-02-22 | 2009-04-08 | 昆明理工大学 | Mould for semi-solid state extrusion casting aluminum alloy piston |
| CN201320561Y (en) * | 2008-12-02 | 2009-10-07 | 湖北汉光科技股份有限公司 | Extrusion molding die for processing static conducting rod in vacuum switching tube |
| CN201735620U (en) * | 2010-03-25 | 2011-02-09 | 昆山凯意工模具配套有限公司 | Cold extrusion forming die for part |
| CN203370855U (en) * | 2013-04-03 | 2014-01-01 | 鹤壁职业技术学院 | Composite cold extruding die for bearing ring |
| CN203599259U (en) * | 2013-11-25 | 2014-05-21 | 重庆天之道科技发展有限公司 | Universal extrusion die rack |
| CN105268756A (en) * | 2015-09-22 | 2016-01-27 | 北京机电研究所 | Die for pre-forming inner holes of deep-hole shaft parts, method for forming inner holes and forming process of deep-hole shaft parts |
-
2018
- 2018-07-09 CN CN201810744242.XA patent/CN108941232B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU871980A1 (en) * | 1978-10-18 | 1981-10-15 | Физико-технический институт АН БССР | Die for direct extruding |
| JPS56165535A (en) * | 1980-05-26 | 1981-12-19 | Komatsu Ltd | Working method for cylindrical parts |
| CN2885442Y (en) * | 2006-02-15 | 2007-04-04 | 北京机电研究所 | Axle sleeve extruding die |
| CN201217019Y (en) * | 2008-02-22 | 2009-04-08 | 昆明理工大学 | Mould for semi-solid state extrusion casting aluminum alloy piston |
| CN201320561Y (en) * | 2008-12-02 | 2009-10-07 | 湖北汉光科技股份有限公司 | Extrusion molding die for processing static conducting rod in vacuum switching tube |
| CN201735620U (en) * | 2010-03-25 | 2011-02-09 | 昆山凯意工模具配套有限公司 | Cold extrusion forming die for part |
| CN203370855U (en) * | 2013-04-03 | 2014-01-01 | 鹤壁职业技术学院 | Composite cold extruding die for bearing ring |
| CN203599259U (en) * | 2013-11-25 | 2014-05-21 | 重庆天之道科技发展有限公司 | Universal extrusion die rack |
| CN105268756A (en) * | 2015-09-22 | 2016-01-27 | 北京机电研究所 | Die for pre-forming inner holes of deep-hole shaft parts, method for forming inner holes and forming process of deep-hole shaft parts |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113020512A (en) * | 2021-03-19 | 2021-06-25 | 盐城中德精锻股份有限公司 | Composite forming process and device for thin-wall deep-hole barrel precision forging |
| CN113020512B (en) * | 2021-03-19 | 2021-11-19 | 盐城中德精锻股份有限公司 | Composite forming process and device for thin-wall deep-hole barrel precision forging |
| CN113369327A (en) * | 2021-06-11 | 2021-09-10 | 中国兵器工业第五九研究所 | Open cavity circular extrusion process |
| CN113369327B (en) * | 2021-06-11 | 2022-04-12 | 中国兵器工业第五九研究所 | Open cavity circular extrusion process |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108941232B (en) | 2019-11-19 |
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Effective date of registration: 20240308 Address after: 400039 Chongqing Jiulongpo Yuzhou Road No. 33 Patentee after: Southwest Institute of technology and engineering of China Ordnance Equipment Group Country or region after: China Address before: 400039 Chongqing Jiulongpo Yuzhou Road No. 33 Patentee before: NO 59 Research Institute OF CHINA ORDNACE INDUSTRY Country or region before: China |