CN103920733A - Cup-shaped bottom hole part radial extrusion positioning apparatus - Google Patents
Cup-shaped bottom hole part radial extrusion positioning apparatus Download PDFInfo
- Publication number
- CN103920733A CN103920733A CN201410102004.0A CN201410102004A CN103920733A CN 103920733 A CN103920733 A CN 103920733A CN 201410102004 A CN201410102004 A CN 201410102004A CN 103920733 A CN103920733 A CN 103920733A
- Authority
- CN
- China
- Prior art keywords
- die
- template
- core
- elasticity
- cup
- 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.)
- Granted
Links
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
- B21C23/00—Extruding metal; Impact extrusion
- B21C23/02—Making uncoated products
- B21C23/18—Making uncoated products by impact extrusion
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C25/00—Profiling tools for metal extruding
- B21C25/08—Dies or mandrels with section variable during extruding, e.g. for making tapered work; Controlling variation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C35/00—Removing work or waste from extruding presses; Drawing-off extruded work; Cleaning dies, ducts, containers, or mandrels
- B21C35/02—Removing or drawing-off work
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Food-Manufacturing Devices (AREA)
- Moulds, Cores, Or Mandrels (AREA)
Abstract
The invention relates to a cup-shaped bottom hole part radial extrusion positioning apparatus, and belongs to the technical field of stamping process extrusion. The technical problem solved by the present invention is to provide a cup-shaped bottom hole part radial extrusion positioning apparatus with characteristics of simple and easy performing process, accurate and reliable positioning, and protection of part from deformation. The technical scheme for solving the technical problem comprises that: the cup-shaped bottom hole part radial extrusion positioning apparatus comprises an upper mold portion and a lower mold portion, the upper mold portion is coaxially arranged on the lower mold portion, a part is arranged between the upper mold portion and the lower mold portion in a matching manner, the upper mold portion structure comprises a pad plate, an elastic concave mold, a screw ring and a mold handle, the lower mold portion structure comprises a wedge mold, a pressing plate, a spring, a screw sleeve, a template, a bolt and a core mold, the upper surface of the template is provided with an expanding table hole, the upper end of the wedge mold is an inverted trapezoidal opening, and the lower end is an expanding table. The cup-shaped bottom hole part radial extrusion positioning apparatus can be widely applied in the technical field of stamping process extrusion.
Description
Technical field
Positioner is squeezed in the cup-shaped bottom outlet part of the present invention footpath, belongs to Sheet Metal Forming Technology extrusion technique field.
Background technology
Cup-shaped bottom outlet part radial extruding die of the prior art comprises that elasticity die, tapered cup nut, die holder, core and handle form.Described elasticity die is coaxial and be set in die holder respective aperture with die holder, described tapered cup nut radially with handle thread connection, bellmouth touches mutually with the coaxial also corresponding conical surface of elasticity die of elasticity die, and forms and radially squeeze geosynclinal concave mould part with die holder thread connection, and core is punch part.Before extruding, part cover for seat is in core one end, have the core of part to insert in elasticity die in cover and part bottom surface tactile mutually with elasticity die locating surface, in extrusion process, part upper base surface is restricted by elasticity die, and the corresponding growth space that part bottom does not make progress, causes part deformation of bottom.
Summary of the invention
The present invention has overcome the deficiency that prior art exists, provide a kind of simple for process, accurate positioning reliable, positioner is squeezed in the protection indeformable cup-shaped bottom outlet part of part footpath.
In order to solve the problems of the technologies described above, the technical solution used in the present invention is: positioner is squeezed in cup-shaped bottom outlet part footpath, comprise part of the upper die and part of the lower die, described part of the upper die is arranged on part of the lower die and coaxially arranges, described part of the upper die is arranged on the top of part of the lower die, between described part of the upper die and part of the lower die, coupling is provided with part, the structure of described part of the upper die is: comprise backing plate, elasticity die, bung flange and die shank, described elasticity die is that top is the expansion platform being connected, bottom is the elastomer of pore area muscle in three lobes, the top of described elasticity die is provided with backing plate, the bottom of described die shank arranges porose, the hole of the expansion platform on described elasticity die top and backing plate and die shank bottom is coaxial and pack in shank hole with interference fits, described bung flange is placed on outside elasticity die and with die shank thread connection elasticity die expansion platform and backing plate is anchored on die shank,
The structure of described part of the lower die is: comprise wedge mould, pressing plate, spring, swivel nut, template, screw, core, the upper surface of described template is provided with and expands platform hole, the opening that described wedge mould upper end is inverted trapezoidal, lower end is for expanding platform, described wedge mould is arranged on the upper surface of described template, the expansion platform of described wedge mould coaxially mates setting with the expansion platform hole of template, described pressing plate is arranged on the expansion platform outer upper ends of wedge mould, described screw is fastening by wedge mould through pressing plate respective aperture and template thread connection, described core sees through respectively the hole in the middle of template and wedge mould and is placed in one, described core upper end is the localization part as part bottom outlet, the localization part of described part bottom outlet coaxially mates setting with core, described spring is vertically arranged in swivel nut, the lower end of described spring is arranged on the bottom of swivel nut, the lower end in contact of the upper end of described spring and core, described swivel nut is with the coaxial setting of template and be fastened in template with threaded connection mode, by spring compression on core.
Described wedge mould expands the expansion platform hole interference fits of platform and template.
The beneficial effect that the present invention compared with prior art has is: the present invention is enclosed within core by part, part bottom outlet is enclosed within outside core localization part, slide block down, contact core localization part upper surface in working hole upper surface, elasticity die bottom also promotes part and resistance that core overcomes spring moves downward, descending along with slide block, the elasticity die conical surface touches mutually with the wedge mould conical surface, its three lobes mould is made radially axis direction along the elastic resistance that restricted by the wedge mould conical surface and to overcome self and is moved, make the muscle priority contact part on elasticity die hole three lobes and to radially local extruding of part, respective material shifted, and cause part bottom freely to increase, the whole contact parts of the descending elasticity die hole three lobe inwall of continuation along with slide block, slide block arrives bottom dead centre, radial compression completes.During backhaul along with elasticity die moves upward, part and core rise under the effect of spring, along with rising elasticity die becomes large oral area spreading with the wedge mould conical surface under the elastic reaction of self, part is deviate from from the elasticity die of spreading, slide block, to top dead-centre, takes out part from core, and whole operation completes, the part deformation of bottom of the present invention location reduces, and closes eventually yields and improves.Design principle of the present invention is simple, compact conformation, and good manufacturability, easy to operate, steady quality.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the present invention is described further.
Fig. 1 is structural representation of the present invention.
In figure, 1 is that backing plate, 2 is that elasticity die, 3 is that part, 4 is that wedge mould, 5 is that pressing plate, 6 is that spring, 7 is that swivel nut, 8 is that template, 9 is that screw, 10 is that core, 11 is that bung flange, 12 is die shank.
The specific embodiment
As shown in Figure 1, positioner is squeezed in the cup-shaped bottom outlet part of the present invention footpath, comprise part of the upper die and part of the lower die, described part of the upper die is arranged on part of the lower die and coaxially arranges, described part of the upper die is arranged on the top of part of the lower die, between described part of the upper die and part of the lower die, coupling is provided with part 3, the structure of described part of the upper die is: comprise backing plate 1, elasticity die 2, bung flange 11 and die shank 12, described elasticity die 2 is that top is the expansion platform being connected, bottom is the elastomer of pore area muscle in three lobes, the top of described elasticity die 2 is provided with backing plate 1, the bottom of described die shank 12 arranges porose, the hole of the expansion platform on described elasticity die 2 tops and backing plate 1 and die shank 12 bottoms is coaxial and pack in die shank 12 holes with interference fits, described bung flange 11 is placed on outside elasticity die 2 and with die shank 12 thread connection elasticity die 2 expansion platforms and backing plate 1 is anchored on die shank 12,
The structure of described part of the lower die is: comprise wedge mould 4, pressing plate 5, spring 6, swivel nut 7, template 8, screw 9, core 10, the upper surface of described template 8 is provided with and expands platform hole, the opening that described wedge mould 4 upper ends are inverted trapezoidal, lower end is for expanding platform, described wedge mould 4 is arranged on the upper surface of described template 8, the expansion platform of described wedge mould 4 coaxially mates setting with the expansion platform hole of template 8, described pressing plate 5 is arranged on the expansion platform outer upper ends of wedge mould 4, described screw 9 is fastening by wedge mould 4 through pressing plate 5 respective aperture and template 8 thread connection, described core 10 sees through respectively the hole in the middle of template 8 and wedge mould 4 and is placed in one, described core 10 upper ends are the localization parts as part 3 bottom outlets, the localization part of described part 3 bottom outlets and core 10 be coaxial mates setting, described spring 6 is vertically arranged in swivel nut 7, the lower end of described spring 6 is arranged on the bottom of swivel nut 7, the lower end in contact of the upper end of described spring 6 and core 10, described swivel nut 7 is with the coaxial setting of template 8 and be fastened in template 8 with threaded connection mode, spring 6 is pressed on core 10.
Described wedge mould 4 expands the expansion platform hole interference fits of platform and template 8.
The course of work of the present invention: elasticity die 2 is that to expand the platform bottom that is connected be the elastomer of pore area muscle in three lobes on top, its top expand platform and backing plate 1 with die shank 12 respective aperture coaxial and with interference fits pack in die shank 12 holes and backing plate 1 upper.Bung flange 11 is placed on outside elasticity die 2 and with die shank 12 thread connection elasticity die 2 expansion platforms and backing plate 1 is anchored on to die shank 12 composition parts of the upper die.It is coaxial that wedge mould 4 expands platform expansion platform corresponding to template 8 hole, with interference fits, puts in the inner, and pressing plate 5 expands on platform outside wedge mould 4, and screw 9 is fastening by wedge mould 4 through pressing plate 5 respective aperture and template 8 thread connection.Core 10 upper ends are localization parts of part 3 bottom outlets, localization part is coaxial with core, diameter coordinates with part 3 bottom outlets are moving, axial growth amount while being highly greater than part 3 bottom squeeze, core 10 sees through respectively template 8 and wedge mould 4 holes and is placed in one, spring 6 is under wedge mould 4 expansion platforms among swivel nut 7, and swivel nut 7 coaxially compresses spring 6 to form parts of the lower die with thread connection in template 8.Positioner and mould are squeezed in part of the upper die and the part of the lower die cup-shaped bottom outlet part of coaxial composition footpath.
Utilize axially can displacement core 10 and top localization part part 3 base apertures are radially restricted in motion and extrusion process, part 3 is made axial free movement with increment bottom it in extrusion process, has reduced the corresponding deformation of part 3 bottoms.Adjust the respective closed height of lathe, controlled workpieces 3 extrusion shapes radially.
Operation principle of the present invention: part 3 is enclosed within to core 10, part 3 bottom outlets are enclosed within outside core 10 localization parts, slide block down, elasticity die 2 working hole upper surfaces, bottom contacts core 10 localization part upper surfaces also promote part 3 and resistance that core 10 overcomes spring 6 moves downward, descending along with slide block, elasticity die 2 conical surfaces touch mutually with wedge mould 4 conical surfaces, its three lobes mould is made radially axis direction along the elastic resistance that restricted by wedge mould 4 conical surfaces and to overcome self and is moved, make the muscle priority contact part 3 on elasticity die 2 hole three lobes and to radially local extruding of part 3, respective material shifted, and cause part bottom freely to increase, the whole contact parts 3 of the descending elasticity die 2 hole three lobe inwall of continuation along with slide block, slide block arrives bottom dead centre, radial compression completes.
During backhaul along with elasticity die 2 moves upward, part 3 and core 4 rise under the effect of spring 6, along with rising elasticity die 2 becomes large oral area spreading with wedge mould 4 conical surfaces under the elastic reaction of self, part 3 is deviate from from the elasticity die 2 of spreading, slide block is to top dead-centre, from core 4, take out part 3, whole operation completes.
By reference to the accompanying drawings embodiments of the invention are explained in detail above, but the present invention is not limited to above-described embodiment, in the ken possessing those of ordinary skills, can also under the prerequisite that does not depart from aim of the present invention, makes various variations.
Claims (2)
1. positioner is squeezed in cup-shaped bottom outlet part footpath, comprise part of the upper die and part of the lower die, described part of the upper die is arranged on part of the lower die and coaxially arranges, described part of the upper die is arranged on the top of part of the lower die, between described part of the upper die and part of the lower die, coupling is provided with part (3), it is characterized in that, the structure of described part of the upper die is: comprise backing plate (1), elasticity die (2), bung flange (11) and die shank (12), described elasticity die (2) is that top is the expansion platform being connected, bottom is the elastomer of pore area muscle in three lobes, the top of described elasticity die (2) is provided with backing plate (1), the bottom of described die shank (12) arranges porose, the hole of the expansion platform on described elasticity die (2) top and backing plate (1) and die shank (12) bottom is coaxial and pack in die shank (12) hole with interference fits, described bung flange (11) is placed on outside elasticity die (2) and with die shank (12) thread connection elasticity die (2) expansion platform and backing plate (1) is anchored on die shank (12),
The structure of described part of the lower die is: comprise wedge mould (4), pressing plate (5), spring (6), swivel nut (7), template (8), screw (9), core (10), the upper surface of described template (8) is provided with and expands platform hole, the opening that described wedge mould (4) upper end is inverted trapezoidal, lower end is for expanding platform, described wedge mould (4) is arranged on the upper surface of described template (8), the expansion platform of described wedge mould (4) coaxially mates setting with the expansion platform hole of template (8), described pressing plate (5) is arranged on the expansion platform outer upper ends of wedge mould (4), described screw (9) is fastening by wedge mould (4) through pressing plate (5) respective aperture and template (8) thread connection, described core (10) sees through respectively the hole in the middle of template (8) and wedge mould (4) and is placed in one, described core (10) upper end is the localization part as part (3) bottom outlet, the localization part of described part (3) bottom outlet and core (10) be coaxial mates setting, described spring (6) is vertically arranged in swivel nut (7), the lower end of described spring (6) is arranged on the bottom of swivel nut (7), the lower end in contact of the upper end of described spring (6) and core (10), described swivel nut (7) coaxially arranges and is fastened in template (8) with threaded connection mode with template (8), spring (6) is pressed on core (10).
2. positioner is squeezed in cup-shaped bottom outlet part according to claim 1 footpath, it is characterized in that, described wedge mould (4) expands the expansion platform hole interference fits of platform and template (8).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410102004.0A CN103920733B (en) | 2014-03-19 | 2014-03-19 | Positioner is squeezed in cup-shaped bottom outlet part footpath |
| CN201610914349.5A CN106424182B (en) | 2014-03-19 | 2014-03-19 | Localization method is squeezed in a kind of cupulate bottom outlet part footpath |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410102004.0A CN103920733B (en) | 2014-03-19 | 2014-03-19 | Positioner is squeezed in cup-shaped bottom outlet part footpath |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610914349.5A Division CN106424182B (en) | 2014-03-19 | 2014-03-19 | Localization method is squeezed in a kind of cupulate bottom outlet part footpath |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103920733A true CN103920733A (en) | 2014-07-16 |
| CN103920733B CN103920733B (en) | 2017-01-04 |
Family
ID=51139264
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410102004.0A Active CN103920733B (en) | 2014-03-19 | 2014-03-19 | Positioner is squeezed in cup-shaped bottom outlet part footpath |
| CN201610914349.5A Active CN106424182B (en) | 2014-03-19 | 2014-03-19 | Localization method is squeezed in a kind of cupulate bottom outlet part footpath |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610914349.5A Active CN106424182B (en) | 2014-03-19 | 2014-03-19 | Localization method is squeezed in a kind of cupulate bottom outlet part footpath |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN103920733B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104785624A (en) * | 2015-03-19 | 2015-07-22 | 常熟市杜尼电子有限责任公司 | Mold for ultrasonic generator micro speakers |
| CN104826885A (en) * | 2015-05-28 | 2015-08-12 | 成都宏明双新科技股份有限公司 | Machining method for radial forming of thin-wall pipes |
| CN104858309A (en) * | 2015-05-28 | 2015-08-26 | 成都宏明双新科技股份有限公司 | Radial forming bothway die feeding machining system for thin-walled tubes |
| CN113787144A (en) * | 2021-08-31 | 2021-12-14 | 成都先进金属材料产业技术研究院股份有限公司 | Hot bending forming clamp, testing machine and numerical simulation method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101972792A (en) * | 2010-10-22 | 2011-02-16 | 南京迪威尔重型锻造股份有限公司 | Hot reverse-extrusion forming mold for large cup shell |
| CN102284663A (en) * | 2011-06-09 | 2011-12-21 | 无锡东海锻造有限公司 | Precision forging process and die for flange |
| CN102500633A (en) * | 2011-09-28 | 2012-06-20 | 中国兵器工业第五九研究所 | Method for forming cup-shaped component with gear |
| CN103537500A (en) * | 2013-10-24 | 2014-01-29 | 河南科技大学 | Extrusion and molding method for cup-shaped part and special extrusion die |
| CN203751020U (en) * | 2014-03-19 | 2014-08-06 | 长治市丰雨机械有限公司 | Radial extrusion positioning device for cup-shaped bottom hole part |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3537646B2 (en) * | 1997-10-14 | 2004-06-14 | 大川精螺工業株式会社 | Manufacturing method of blank material for hose fitting and manufacturing method of hose fitting |
| CN101195142A (en) * | 2007-12-26 | 2008-06-11 | 陕西科技大学 | Mold and shaping technique for metal sheet material deep-drawing cup shell |
| CN102371309B (en) * | 2010-08-26 | 2013-07-31 | 哈尔滨建成集团有限公司 | Deep drawing forming composite die for shallow conical pieces with sunken side walls |
| CN202087666U (en) * | 2011-05-11 | 2011-12-28 | 苏州加益不锈钢制品有限公司 | Water expansion type mould of pot body |
| CN202336525U (en) * | 2011-08-31 | 2012-07-18 | 蚌埠市正固滤清器有限公司 | Secondary hole flanging forming tool for filter bypass valve seat |
| CN102303061B (en) * | 2011-09-29 | 2013-05-08 | 中国兵器工业第五九研究所 | Forming method for branch type parts |
| CN103357810B (en) * | 2013-06-21 | 2015-06-10 | 燕山大学 | Extrusion forming manufacturing method for inner race of integral type titanium alloy self-lubricating spherical plain bearing |
| CN203804065U (en) * | 2014-04-22 | 2014-09-03 | 湖南先淘不锈钢卫浴有限公司 | Stamping die for stainless steel tube forming |
-
2014
- 2014-03-19 CN CN201410102004.0A patent/CN103920733B/en active Active
- 2014-03-19 CN CN201610914349.5A patent/CN106424182B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101972792A (en) * | 2010-10-22 | 2011-02-16 | 南京迪威尔重型锻造股份有限公司 | Hot reverse-extrusion forming mold for large cup shell |
| CN102284663A (en) * | 2011-06-09 | 2011-12-21 | 无锡东海锻造有限公司 | Precision forging process and die for flange |
| CN102500633A (en) * | 2011-09-28 | 2012-06-20 | 中国兵器工业第五九研究所 | Method for forming cup-shaped component with gear |
| CN103537500A (en) * | 2013-10-24 | 2014-01-29 | 河南科技大学 | Extrusion and molding method for cup-shaped part and special extrusion die |
| CN203751020U (en) * | 2014-03-19 | 2014-08-06 | 长治市丰雨机械有限公司 | Radial extrusion positioning device for cup-shaped bottom hole part |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104785624A (en) * | 2015-03-19 | 2015-07-22 | 常熟市杜尼电子有限责任公司 | Mold for ultrasonic generator micro speakers |
| CN104826885A (en) * | 2015-05-28 | 2015-08-12 | 成都宏明双新科技股份有限公司 | Machining method for radial forming of thin-wall pipes |
| CN104858309A (en) * | 2015-05-28 | 2015-08-26 | 成都宏明双新科技股份有限公司 | Radial forming bothway die feeding machining system for thin-walled tubes |
| CN104826885B (en) * | 2015-05-28 | 2017-05-31 | 成都宏明双新科技股份有限公司 | The processing method that a kind of light-wall pipe is radially molded |
| CN113787144A (en) * | 2021-08-31 | 2021-12-14 | 成都先进金属材料产业技术研究院股份有限公司 | Hot bending forming clamp, testing machine and numerical simulation method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103920733B (en) | 2017-01-04 |
| CN106424182A (en) | 2017-02-22 |
| CN106424182B (en) | 2018-05-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103920733A (en) | Cup-shaped bottom hole part radial extrusion positioning apparatus | |
| CN102327952B (en) | Floating matrix trimming piercing die | |
| JP2016026116A (en) | Method and apparatus for forming can shell | |
| CN205200362U (en) | Rivet welding head of die and lower die on going up die, lower die and having this | |
| CN103388062B (en) | Quenching pressing die fixture | |
| CN102632142A (en) | Hot stamping die for latches | |
| CN203751143U (en) | Radial groove extruding die | |
| CN203751020U (en) | Radial extrusion positioning device for cup-shaped bottom hole part | |
| CN105215203B (en) | Hole flanging processing technology and its mould inside and outside a kind of high precision part synchronization | |
| CN209736355U (en) | Forming equipment for electrical contact | |
| CN203751144U (en) | Radial extrusion deep groove die | |
| CN207770677U (en) | A kind of iron wire bend molding apparatus | |
| CN206215759U (en) | A kind of metal plate punching mould | |
| CN103920802B (en) | Radial crowded deep trouth mould | |
| CN103920803A (en) | Radial slot extrusion die | |
| CN102357594A (en) | Drawing die for compensating for wall thickness of part | |
| CN203751169U (en) | Forming and locating device | |
| CN202701140U (en) | Gland forming die | |
| CN203751170U (en) | Positioning device for shaping | |
| CN208276040U (en) | A kind of riveting die set of refrigerator press support plate field riveting bolt | |
| CN103817250B (en) | Shaping and positioning device | |
| CN106623637B (en) | Hollow steel ball molding die | |
| CN204122568U (en) | A kind of annulus termination decompressor | |
| RU146556U1 (en) | STAMP FOR OBTAINING SPHERICAL PRODUCTS FROM SHEET Billets | |
| CN202845580U (en) | Single-station multi-process stamping die |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| CB03 | Change of inventor or designer information |
Inventor after: He Wending Inventor before: Li Chunzhuang Inventor before: Wei Baozhong Inventor before: Niu Fumang Inventor before: Hu Qiang Inventor before: Guo Jianhong |
|
| COR | Change of bibliographic data | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20160926 Address after: 362000 Quanzhou, Taiwan investment zone, Luoyang Town Bridge Village Applicant after: He Wending Address before: 046011 machinery industrial zone, middle section of South Outer Ring Road, Shanxi, Changzhi Applicant before: Changzhi Fengyu Machinery Co., Ltd. |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190910 Address after: 244000 Second Floor of No.4 Factory Building of Taishan Avenue Taixiang Industrial Park, Tongling Economic and Technological Development Zone, Anhui Province Patentee after: Tongling Jingyue Electronic Co., Ltd. Address before: 362000 Quanzhou, Taiwan investment zone, Luoyang Town Bridge Village Patentee before: He Wen Ding |