CN104785629A - Low-noise compression molding die and use method thereof - Google Patents
Low-noise compression molding die and use method thereof Download PDFInfo
- Publication number
- CN104785629A CN104785629A CN201510142984.1A CN201510142984A CN104785629A CN 104785629 A CN104785629 A CN 104785629A CN 201510142984 A CN201510142984 A CN 201510142984A CN 104785629 A CN104785629 A CN 104785629A
- Authority
- CN
- China
- Prior art keywords
- workpiece
- blank holder
- counterdie
- drive motors
- pedestal
- 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
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
- B21D22/20—Deep-drawing
- B21D22/22—Deep-drawing with devices for holding the edge of the blanks
- B21D22/225—Deep-drawing with devices for holding the edge of the blanks with members for radially pushing the blanks
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Press Drives And Press Lines (AREA)
- Presses And Accessory Devices Thereof (AREA)
Abstract
A low-noise compression molding die is used for pressing a workpiece (1) and comprises a base (4), an upper die body (2) and a lower die body (3). The lower die body (3) is supported on the base (4), the upper die body (2) is pressed downwards through a pressing drive mechanism (9) so that the upper die body (2) can move towards the lower die body (3), and accordingly the workpiece (1) placed between the lower die body (3) and the upper die body (2) can be pressed and formed; a pressing edge ring abutting annular part (31) is arranged on the outer circumference of the lower die body (3), at least two upright columns (41) are fixed to the base (4), the pressing edge ring abutting annular part (31) is used for cooperating with a pressing edge ring (8) to clamp the circumferential edge of the workpiece (1) between the pressing edge ring abutting annular part (31) and the pressing edge ring (8), and the pressing edge ring (8) is matched with the at least two upright columns (41) in a sliding mode through a compression spring (412) on a limiting part (411) abutting against and fixedly arranged at the upper ends of the upright columns (41).
Description
Technical field
The invention belongs to compressing field, be specially a kind of press-moulding die and using method thereof of low noise.
Background technology
In order to ensure the forming accuracy of die device in forming process and position accuracy, blank holder is usually used to carry out maintenance to workpiece blank.
And after the press process of this mould, usually need process workpiece being carried out to next step, such as surface quality and SHAPE DETECTION, heat treatment (Ageing Treatment), shape partial trim etc.After this being disposed, need workpiece to open from mould (molding).
If blank holder is directly removed with patrix, so cause impacting (relative to counterdie) the positional precision of workpiece during process after forming.And blank holder is stayed on counterdie, then the molding (especially automatically performing molding) of workpiece is impacted.
Summary of the invention
The object of this invention is to provide a kind of press-moulding die and using method thereof of low noise, it can overcome above-mentioned defect.
The press-moulding die of low noise according to an aspect of the present invention, for pressing component, comprise pedestal, patrix and counterdie, described counterdie is supported on described pedestal, described patrix can towards described counterdie motion thus by compressing for the workpiece be positioned between described counterdie and patrix by pressing down of driving mechanism of compacting, the outer circumference place of described counterdie is provided with blank holder against ring portion, described pedestal is also fixedly installed at least two root posts, described blank holder against ring portion in order to cooperate with blank holder thus the circumferential edges of workpiece be folded in therebetween, described blank holder and described at least two root posts are slidably matched and can by the Compress Springs be resisted against on limiting section that described column upper end place sets firmly, and the blank holder pressing member to connect with described compacting driving mechanism and slide downward be pressed on the circumferential edges of described workpiece, cavity portion is provided with between the base plate of described counterdie and described pedestal, workpiece die lifter is provided with in described cavity portion, described workpiece die lifter comprises the drive motors be fixedly installed on the described base plate of described pedestal, between described drive motors and described pedestal, silencing cotton is installed, described silencing cotton is coated on the latter half of described drive motors lower surface and side, the noise that described silencing cotton produces when can reduce the work of described drive motors, described drive motors connects with output shaft, output shaft is connected by key and is slidably matched with sliding sleeve, the lateral surface of described sliding sleeve is provided with external splines, one end place away from drive motors is provided with radially inner extended loop, extend Ring current distribution and be provided with internal splined hole, described pedestal is also rotatably mounted with by bearing in the middle part of workpiece and ejects drive screw, the lower end of described screw rod is provided with the splined head that radial direction is expanded, described splined head is arranged in the internal cavities of described sliding sleeve, the screw-internal thread fit of drive screw by ejection piece in the middle part of external screw thread and workpiece is ejected in the middle part of described workpiece, in the middle part of described workpiece ejection piece by the guide frame be fixedly installed with described counterdie in the middle part of in pilot hole be slidably matched, in the middle part of described workpiece, the top of ejection piece is that counterdie embeds head, the upper side of described counterdie embedding head forms a part for the profiled surface of described counterdie,
Wherein, when described sliding sleeve slides into upper position, thread barrel can be ejected with the blank holder be installed on rotationally on described pedestal engage and drive, described blank holder ejects the external screw thread of thread barrel and the internal thread hole threaded engagement of blank holder ejection piece, described blank holder ejection piece is provided with the blank holder knock-pin portion upwards extended and is ejected in order to engage the downside of blank holder, described blank holder ejection piece is also slidably matched with the vertical guide post be fixedly arranged on the base plate of described pedestal, described blank holder ejection piece lower end outside described vertical guide post is provided with extension spring, described extension spring upper end is fixed on described blank holder ejection piece lower end, its lower end is fixed on described pedestal, when described sliding sleeve slides into upper/lower positions, its internal splined hole engages with described splined head and can drive described screw rod, the outer surface of described drive motors is provided with radiating fin, and described radiating fin is provided with more than three and three and distributes in time for the heat produced by described drive motors, plays the effect protecting described drive motors.
According to another aspect, the using method of the press-moulding die of low noise described above, first utilize described blank holder knock-pin portion and blank holder is backed down, workpiece blank is placed in position, then utilize Compress Spring and blank holder pushed down the peripheral edge of workpiece blank, afterwards, patrix and blank holder pressing member descending, and workpiece blank is press-forming into workpiece; Afterwards, patrix and blank holder pressing member up, then the profile parts of compressing workpiece is detected and heat treatment, afterwards, first described blank holder knock-pin portion is utilized to be backed down by blank holder, recycle ejection piece in the middle part of described workpiece and act on the middle part of workpiece, thus workpiece is opened from counterdie.
By such scheme, first remove owing to have employed patrix, blank holder is retained in the setting on counterdie, and it can ensure the positional precision of the subsequent treatment after compressing.And utilizing the operation that workpiece middle die device and blank holder die lifter separately perform, it can ensure that the automatic sequence of workpiece molding performs, and can be convenient to workpiece and be loaded in the press-moulding die of low noise.By being arranged on the flush bonding module in counterdie molded surface, can be shaped after workpiece carry out the effective demoulding rise from.And whole device uses same molding motor, the cost of manufacture of mould can be saved, reduce equipment complexity.By having the setting of the device of the isobaric superzapping flange of spring, can to ensure after patrix rises out still can to blank holder have certain needed for pressure, thus ensure the positional precision of workpiece relative to counterdie.
Accompanying drawing explanation
Fig. 1 is the overall schematic of the press-moulding die of low noise of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing 1, the present invention is described in detail.
According to the press-moulding die of the low noise of embodiment, for pressing component 1, comprise pedestal 4, patrix 2 and counterdie 3, described counterdie 3 is supported on described pedestal 4, described patrix 2 can be moved towards described counterdie 3 by pressing down of driving mechanism 9 of compacting thus by compressing for the workpiece 1 be positioned between described counterdie 3 and patrix 2, the outer circumference place of described counterdie 3 is provided with blank holder against ring portion 31, described pedestal 4 is also fixedly installed at least two root posts 41, described blank holder against ring portion 31 in order to cooperate with blank holder 8 thus the circumferential edges of workpiece 1 be folded in therebetween, described blank holder 8 and described at least two root posts 41 are slidably matched and can by the Compress Springs 412 be resisted against on limiting section 411 that described column 41 upper end place sets firmly, and the blank holder pressing member 91 to connect with described compacting driving mechanism 9 and slide downward be pressed on the circumferential edges of described workpiece 1, cavity portion 45 is provided with between described counterdie 3 and the base plate of described pedestal 4, workpiece die lifter is provided with in described cavity portion 45, described workpiece die lifter comprises the drive motors 7 on the described base plate being fixedly installed on described pedestal 4, between described drive motors 7 and described pedestal 4, silencing cotton 61 is installed, described silencing cotton 61 is coated on the latter half of described drive motors 7 lower surface and side, described silencing cotton 61 can reduce the noise produced when described drive motors 7 works, described drive motors 7 connects with output shaft 71, output shaft 71 is connected by key and is slidably matched with sliding sleeve 74, the lateral surface of described sliding sleeve 74 is provided with external splines, one end place away from drive motors 7 is provided with radially inner extended loop, extend Ring current distribution and be provided with internal splined hole 742, described pedestal 4 is also rotatably mounted with by bearing in the middle part of workpiece and ejects drive screw 74, the lower end of described screw rod 74 is provided with the splined head 741 that radial direction is expanded, described splined head 741 is arranged in the internal cavities 720 of described sliding sleeve 74, the screw-internal thread fit of drive screw by ejection piece 75 in the middle part of external screw thread and workpiece is ejected in the middle part of described workpiece, in the middle part of described workpiece ejection piece 75 by the guide frame 77 be fixedly installed with described counterdie 3 in the middle part of in pilot hole be slidably matched, in the middle part of described workpiece, the top of ejection piece 75 is that counterdie embeds 78, the upper side that described counterdie embeds 78 forms a part for the profiled surface of described counterdie 3,
Wherein, when described sliding sleeve 74 slides into upper position, thread barrel 73 can be ejected with the blank holder be installed on rotationally on described pedestal 4 engage and drive, described blank holder ejects the external screw thread 731 of thread barrel 73 and internal thread hole 761 threaded engagement of blank holder ejection piece 76, described blank holder ejection piece 76 is provided with the blank holder knock-pin portion 763 upwards extended and is ejected in order to engage the downside of blank holder 8, described blank holder ejection piece 76 also with the vertical guide post 43 be fixedly arranged on the base plate of described pedestal 4, 44 are slidably matched, described vertical guide post 43, described blank holder ejection piece 76 lower end outside 44 is provided with extension spring 50, described extension spring 50 upper end is fixed on described blank holder ejection piece 76 lower end, its lower end is fixed on described pedestal 4, when described sliding sleeve 74 slides into upper/lower positions, its internal splined hole 742 engages with described splined head 741 and can drive described screw rod 74, the outer surface of described drive motors 7 is provided with radiating fin 1, and described radiating fin 1 is provided with more than three and three and distributes in time for the heat produced by described drive motors 7, plays the effect protecting described drive motors 7.
According to another aspect, the using method of the press-moulding die of low noise described above, first utilize described blank holder knock-pin portion 763 and blank holder 8 is backed down, workpiece blank is placed in position, then utilize Compress Spring 412 and blank holder 8 pushed down the peripheral edge of workpiece blank, afterwards, patrix 2 and blank holder pressing member 91 descending, and workpiece blank is press-forming into workpiece; Afterwards, patrix 2 and blank holder pressing member 91 up, then the profile parts of compressing workpiece 1 detected and heat-treat such as Ageing Treatment or the process of shape partial trim, afterwards, first described blank holder knock-pin portion 763 is utilized to be backed down by blank holder 8, recycle ejection piece 75 in the middle part of described workpiece and act on the middle part of workpiece 1, thus workpiece 1 is opened from counterdie 3.
Claims (2)
1. the press-moulding die of a low noise, for pressing component (1), comprise pedestal (4), patrix (2) and counterdie (3), described counterdie (3) is supported on described pedestal (4), described patrix (2) can be moved towards described counterdie (3) by pressing down of compacting driving mechanism (9) thus the workpiece (1) that will be positioned between described counterdie (3) and patrix (2) is compressing, the outer circumference place of described counterdie (3) is provided with blank holder against ring portion (31), described pedestal (4) is also fixedly installed at least two root posts (41), described blank holder against ring portion (31) in order to cooperate with blank holder (8) thus the circumferential edges of workpiece (1) be folded in therebetween, described blank holder (8) and described at least two root posts (41) are slidably matched and can by the Compress Springs (412) be resisted against on limiting section (411) that described column (41) upper end place sets firmly, and the blank holder pressing member (91) to connect with described compacting driving mechanism (9) and slide downward be pressed on the circumferential edges of described workpiece (1), cavity portion (45) is provided with between the base plate of described counterdie (3) and described pedestal (4), described cavity portion is provided with workpiece die lifter in (45), described workpiece die lifter comprises the drive motors (7) on the described base plate being fixedly installed on described pedestal (4), silencing cotton (61) is installed between described drive motors (7) and described pedestal (4), described silencing cotton (61) is coated on the latter half of described drive motors (7) lower surface and side, the noise that described silencing cotton (61) produces when can reduce described drive motors (7) work, described drive motors (7) connects with output shaft (71), output shaft (71) is connected by key and is slidably matched with sliding sleeve (74), the lateral surface of described sliding sleeve (74) is provided with external splines, one end place away from drive motors (7) is provided with radially inner extended loop, extend Ring current distribution and be provided with internal splined hole (742), described pedestal (4) is also rotatably mounted with by bearing in the middle part of workpiece and ejects drive screw (74), the lower end of described screw rod (74) is provided with the splined head (741) that radial direction is expanded, described splined head (741) is arranged in the internal cavities (720) of described sliding sleeve (74), the screw-internal thread fit of drive screw by ejection piece (75) in the middle part of external screw thread and workpiece is ejected in the middle part of described workpiece, in the middle part of described workpiece, ejection piece (75) is slidably matched with the pilot hole in described counterdie (3) middle part by the guide frame (77) be fixedly installed, in the middle part of described workpiece, the top of ejection piece (75) is that counterdie embeds head (78), the upper side of described counterdie embedding head (78) forms a part for the profiled surface of described counterdie (3),
Wherein, when described sliding sleeve (74) slides into upper position, thread barrel (73) can be ejected with the blank holder be installed on rotationally on described pedestal (4) to engage and drive, described blank holder ejects the external screw thread (731) of thread barrel (73) and internal thread hole (761) threaded engagement of blank holder ejection piece (76), described blank holder ejection piece (76) is provided with the blank holder knock-pin portion (763) upwards extended and is ejected in order to engage the downside of blank holder (8), described blank holder ejection piece (76) also with the vertical guide post (43 be fixedly arranged on the base plate of described pedestal (4), 44) be slidably matched, described vertical guide post (43, 44) described blank holder ejection piece (76) lower end in outside is provided with extension spring (50), described extension spring (50) upper end is fixed on described blank holder ejection piece (76) lower end, its lower end is fixed on described pedestal (4), when described sliding sleeve (74) slides into upper/lower positions, its internal splined hole (742) engages with described splined head (741) and can drive described screw rod (74), the outer surface of described drive motors (7) is provided with radiating fin (1), described radiating fin (1) is provided with more than three and three and distributes in time for the heat produced by described drive motors (7), plays the effect of the described drive motors of protection (7).
2. the using method of the press-moulding die of low noise as claimed in claim 1, first utilize described blank holder knock-pin portion (763) and blank holder (8) is backed down, workpiece blank is placed in position, then utilize Compress Spring (412) and blank holder (8) pushed down the peripheral edge of workpiece blank, afterwards, patrix (2) and blank holder pressing member (91) descending, and workpiece blank is press-forming into workpiece; Afterwards, patrix (2) and blank holder pressing member (91) up, then the profile parts of compressing workpiece (1) is detected and heat treatment, afterwards, first described blank holder knock-pin portion (763) is utilized to be backed down by blank holder (8), recycle ejection piece (75) in the middle part of described workpiece and act on the middle part of workpiece (1), thus workpiece (1) is opened from counterdie (3) is upper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510142984.1A CN104785629B (en) | 2015-03-30 | 2015-03-30 | The press-moulding die of a kind of low noise and using method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510142984.1A CN104785629B (en) | 2015-03-30 | 2015-03-30 | The press-moulding die of a kind of low noise and using method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104785629A true CN104785629A (en) | 2015-07-22 |
| CN104785629B CN104785629B (en) | 2016-08-17 |
Family
ID=53551070
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510142984.1A Active CN104785629B (en) | 2015-03-30 | 2015-03-30 | The press-moulding die of a kind of low noise and using method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104785629B (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105414293A (en) * | 2016-01-22 | 2016-03-23 | 杨晓丹 | High-efficiency mould device |
| CN105537353A (en) * | 2016-01-22 | 2016-05-04 | 杨晓丹 | Die running with high precision |
| CN105583275A (en) * | 2016-01-22 | 2016-05-18 | 杨晓丹 | High-adaptability precise mold |
| CN105598246A (en) * | 2016-01-22 | 2016-05-25 | 杨晓丹 | Mould manufacturing device with high stability |
| CN105921557A (en) * | 2016-07-21 | 2016-09-07 | 吴三红 | Bending device fitted with limit switch and applied to parts for electrical equipment |
| CN105945118A (en) * | 2016-07-21 | 2016-09-21 | 吴三红 | Bending device used for component for electric equipment and conducting convenient machining |
| CN106141007A (en) * | 2016-07-21 | 2016-11-23 | 吴三红 | A kind of bending apparatus structure for power equipment part |
| CN106140898A (en) * | 2016-07-21 | 2016-11-23 | 吴三红 | A kind of for power equipment part and the bending apparatus that can dispel the heat |
| CN106890893A (en) * | 2015-12-18 | 2017-06-27 | 北汽福田汽车股份有限公司 | A kind of centre gangway component forming mould and a kind of centre gangway component forming method |
| CN107243524A (en) * | 2016-07-21 | 2017-10-13 | 吴三红 | A kind of bend molding apparatus for power equipment part |
| CN109332525A (en) * | 2018-09-29 | 2019-02-15 | 张化机（苏州）重装有限公司 | The production technology of nuclear power safety injection tank end socket |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004276028A (en) * | 2003-01-21 | 2004-10-07 | Hoden Seimitsu Kako Kenkyusho Ltd | Press machine |
| JP2008087001A (en) * | 2006-09-29 | 2008-04-17 | Mazda Motor Corp | Method of and apparatus for processing planar workpiece |
| KR20080108674A (en) * | 2007-06-11 | 2008-12-16 | 현대로템 주식회사 | Press machine and machining method using thereof |
| JP2010284657A (en) * | 2009-06-09 | 2010-12-24 | Ihi Corp | Controller of active damper and method used for the same |
| US20110083487A1 (en) * | 2009-10-13 | 2011-04-14 | Ihi Corporation | Die cushion device for press machine |
| CN102632124A (en) * | 2012-04-11 | 2012-08-15 | 济南二机床集团有限公司 | Electro-servo stretching pad |
| JP2013081979A (en) * | 2011-10-07 | 2013-05-09 | Ihi Corp | Press machine and method for estimating wrinkle suppressing force |
-
2015
- 2015-03-30 CN CN201510142984.1A patent/CN104785629B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004276028A (en) * | 2003-01-21 | 2004-10-07 | Hoden Seimitsu Kako Kenkyusho Ltd | Press machine |
| JP2008087001A (en) * | 2006-09-29 | 2008-04-17 | Mazda Motor Corp | Method of and apparatus for processing planar workpiece |
| KR20080108674A (en) * | 2007-06-11 | 2008-12-16 | 현대로템 주식회사 | Press machine and machining method using thereof |
| JP2010284657A (en) * | 2009-06-09 | 2010-12-24 | Ihi Corp | Controller of active damper and method used for the same |
| US20110083487A1 (en) * | 2009-10-13 | 2011-04-14 | Ihi Corporation | Die cushion device for press machine |
| JP2013081979A (en) * | 2011-10-07 | 2013-05-09 | Ihi Corp | Press machine and method for estimating wrinkle suppressing force |
| CN102632124A (en) * | 2012-04-11 | 2012-08-15 | 济南二机床集团有限公司 | Electro-servo stretching pad |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106890893A (en) * | 2015-12-18 | 2017-06-27 | 北汽福田汽车股份有限公司 | A kind of centre gangway component forming mould and a kind of centre gangway component forming method |
| CN106890893B (en) * | 2015-12-18 | 2019-01-18 | 北京宝沃汽车有限公司 | A kind of centre gangway component forming mold and a kind of centre gangway component forming method |
| CN105414293A (en) * | 2016-01-22 | 2016-03-23 | 杨晓丹 | High-efficiency mould device |
| CN105537353A (en) * | 2016-01-22 | 2016-05-04 | 杨晓丹 | Die running with high precision |
| CN105583275A (en) * | 2016-01-22 | 2016-05-18 | 杨晓丹 | High-adaptability precise mold |
| CN105598246A (en) * | 2016-01-22 | 2016-05-25 | 杨晓丹 | Mould manufacturing device with high stability |
| CN105921557A (en) * | 2016-07-21 | 2016-09-07 | 吴三红 | Bending device fitted with limit switch and applied to parts for electrical equipment |
| CN105945118A (en) * | 2016-07-21 | 2016-09-21 | 吴三红 | Bending device used for component for electric equipment and conducting convenient machining |
| CN106141007A (en) * | 2016-07-21 | 2016-11-23 | 吴三红 | A kind of bending apparatus structure for power equipment part |
| CN106140898A (en) * | 2016-07-21 | 2016-11-23 | 吴三红 | A kind of for power equipment part and the bending apparatus that can dispel the heat |
| CN107243524A (en) * | 2016-07-21 | 2017-10-13 | 吴三红 | A kind of bend molding apparatus for power equipment part |
| CN109332525A (en) * | 2018-09-29 | 2019-02-15 | 张化机（苏州）重装有限公司 | The production technology of nuclear power safety injection tank end socket |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104785629B (en) | 2016-08-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104760323B (en) | The die device of a kind of molding that can dispel the heat in time and using method thereof | |
| CN104785629A (en) | Low-noise compression molding die and use method thereof | |
| CN104668376A (en) | Stable punch forming die and using method thereof | |
| CN104690170B (en) | A kind of punch-forming mold and using method thereof | |
| JP5262872B2 (en) | Stepping cup-shaped part forming apparatus and forming method | |
| CN206794516U (en) | A kind of diel of punching plates Compound Machining synchronous with flange | |
| CN105013918A (en) | Complicated surface plate drawing mold and control method thereof | |
| CN104669671B (en) | A kind of press-moulding die of low vibration and using method thereof | |
| CN104668416B (en) | Cold heading forming method for deep hole in head of bolt | |
| CN110052543B (en) | Rotary riveting equipment for drum bottom of pulsator drum of washing machine and rotary riveting method thereof | |
| CN109500242B (en) | Stamping die for molding and processing multiple surfaces of automobile skylight guide rail and stamping method thereof | |
| CN107008801A (en) | A kind of continuous punching hole forming process equipment | |
| CN104139107B (en) | A kind of rack rails punching sizing device and rack rails punching sizing technique | |
| CN104668560B (en) | A kind of die device and using method thereof | |
| CN109967622B (en) | A kind of auto parts and components punch-forming mold | |
| CN102847804A (en) | Machining die for connectors | |
| CN111842645A (en) | Trimming device and trimming method for thin-wall deep-drawing cylindrical part | |
| CN201685488U (en) | Double-disc friction forcing press with upper mould ejection mechanism | |
| CN111097837A (en) | Reverse punching die for circular tube part | |
| CN210412358U (en) | Mould divides mode structure | |
| CN108724342B (en) | Composite die structure | |
| CN208960885U (en) | Piston Rods Die | |
| CN112518286A (en) | High-pressure spring type press-fitting rubber shock absorber die | |
| CN204565027U (en) | Forging wheel composite die | |
| CN214556712U (en) | Riveting clamp for automobile outer plate |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Cai Zhiqiang Inventor before: Lu Binyan |
|
| CB03 | Change of inventor or designer information | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170411 Address after: 528400 Guangdong province Zhongshan Nanlang town of Southern China modern TCM city science and Technology Park No. 2 building second layer Patentee after: Zhongshan Donglong Electronic Technology Development Co., Ltd. Address before: Jiaxing City, Zhejiang province 314500 Tongxiang City Indus Street No. 1 North Street Patentee before: Lu Binyan |
|
| TR01 | Transfer of patent right |