CN103611798B - A kind of square washer continuous mould structure - Google Patents
A kind of square washer continuous mould structure Download PDFInfo
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- CN103611798B CN103611798B CN201310572618.0A CN201310572618A CN103611798B CN 103611798 B CN103611798 B CN 103611798B CN 201310572618 A CN201310572618 A CN 201310572618A CN 103611798 B CN103611798 B CN 103611798B
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- 238000004080 punching Methods 0.000 claims abstract description 15
- 239000000463 material Substances 0.000 claims description 16
- 238000009434 installation Methods 0.000 claims description 5
- 238000007599 discharging Methods 0.000 abstract description 9
- 230000007423 decrease Effects 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 description 9
- 238000012423 maintenance Methods 0.000 description 4
- 230000000750 progressive effect Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000003325 tomography Methods 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
- 238000007514 turning Methods 0.000 description 1
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Abstract
The present invention relates to technical field of mold, disclose a kind of square washer continuous mould structure, cope match-plate pattern is wherein connected with upper padding plate, fixed head, de-backboard and stripper plate successively by guide pillar, gap is provided with between fixed head and de-backboard, the mesopore be also provided with successively between cope match-plate pattern and lower bolster for square shaped washer carries out the mesopore stamping die of punching press, the pressure angle stamping die of punching press is carried out at pressure angle, mesopore two sides for square shaped washer, and carries out the punch mould of punching press for the punch of square shaped washer; Mesopore stamping die comprises the essence being located at cope match-plate pattern lower end and rushes mesopore punch, is located at concave template rushes essence corresponding to mesopore punch to rush mesopore die with essence; Pressure angle stamping die is the pressure angle punch be located on concave template, and pressure angle punch is provided with inclination angle; Punch mould comprises the punch die being located at stripper plate lower end, is located at punch punch corresponding with punch die on concave template.One aspect of the present invention decreases the difficulty of discharging, is convenient to blank unloading; Not easily produce flexural deformation on the other hand.
Description
Technical field
The present invention relates to technical field of mold, more particularly, the particularly square washer continuous mould structure of one.
Background technology
Square washer is one of Hardware fitting of electroacoustic trumpet.Fig. 1 a, Fig. 1 b are depicted as typical square washer product, and the material of this part is SPHC, and material thickness is 3.0.This part key aspect is punch, and the pressure R angle on mesopore two sides, and mesopore requires higher fineness and precision.In prior art, the type product mainly adopts single die tool to produce, and step is divided into: blanking-punching-draw light three operations, and when producing, efficiency is comparatively slow, and required board is more, and operative is dangerous.Along with the demand of square washer product increases gradually, for meeting improving constantly of production efficiency, the progressive die must be adopted to produce, and slow to improve efficiency, energy consumption is large, operates unsafe situation.
Because this part key point is pressure R angle, mesopore two sides, mesopore draws light and plane punch, there is following problem: 1, when single operation is produced, and product can carry out pressure R and draw light by free turning operation, there is not discharging problem.But on the progressive die is produced, material strip can not overturn, and can only go to press another R angle from the back side, adds the difficulty of discharging greatly; 2, during punch, owing to being subject to larger impulsive force, product easily occurs bending and deformation; And in the end cut off products of separated time, adopt common thimble discharging not easily product go out part.So, be necessary that the mould structure designing a kind of novel square washer progressive die solves the problems referred to above.
Summary of the invention
The object of the present invention is to provide the little and not easily diastrophic square washer continuous mould structure of a kind of discharging difficulty.
In order to achieve the above object, the technical solution used in the present invention is as follows:
A kind of square washer continuous mould structure, comprise cope match-plate pattern and lower bolster, described cope match-plate pattern is provided with upper padding plate from top to bottom successively, fixed head, de-backboard and stripper plate, described lower bolster is provided with lower bolster and concave template successively, described cope match-plate pattern by guide pillar successively with upper padding plate, fixed head, de-backboard is connected with stripper plate, gap is provided with between described fixed head and de-backboard, the mesopore be also provided with successively between described cope match-plate pattern and lower bolster for square shaped washer carries out the mesopore stamping die of punching press, the pressure angle stamping die of punching press is carried out at pressure angle, mesopore two sides for square shaped washer, and the punch mould of punching press is carried out for the punch of square shaped washer, and described mesopore stamping die comprises the essence being located at cope match-plate pattern lower end rushes mesopore punch, and be located at and concave template rushes essence corresponding to mesopore punch rush mesopore die with essence, described pressure angle stamping die is the pressure angle punch be located on concave template, and described pressure angle punch is provided with inclination angle, and described punch mould comprises the punch die being located at stripper plate lower end, and be located at punch punch corresponding with punch die on concave template.
Preferably, described upper padding plate comprises the first upper padding plate and the second upper padding plate, described fixed head comprises the first fixed head, second fixed head and the 3rd fixed head, described de-backboard comprises the first de-backboard, second de-backboard and the 3rd de-backboard, described stripper plate comprises the first stripper plate, second stripper plate and the 3rd stripper plate, described first fixed head is fixed on the lower end of the first upper padding plate, described second fixed head is individually fixed in the lower end of the first upper padding plate and the second upper padding plate, described 3rd fixed head is fixed on the lower end of the second upper padding plate, described first de-backboard, second de-backboard and the 3rd de-backboard lay respectively at the first fixed head, the lower end of the second fixed head and the 3rd fixed head, described first stripper plate, second stripper plate and the 3rd stripper plate are individually fixed in the first de-backboard, the lower end of the second de-backboard and the 3rd de-backboard, and described essence rushes the cope match-plate pattern lower end that the 3rd stripper plate side is located at by mesopore punch, described punch die is fixed on the second stripper plate lower end.
Preferably, described lower bolster comprises the first lower bolster and the second lower bolster, described concave template comprises the first concave template, second concave template and the 3rd concave template, described first lower bolster and the second lower bolster are installed on lower bolster, described first concave template is installed on the upper end of the first lower bolster, described second concave template is installed on the upper end of the first lower bolster and the second lower bolster respectively, described 3rd concave template is installed on the upper end of the second lower bolster, described first concave template, second concave template and the 3rd concave template lay respectively at the first stripper plate, the lower end of the second stripper plate and the 3rd stripper plate, and described essence is rushed mesopore die and is located at the upper of the 3rd concave template and to rush mesopore punch corresponding with essence, described pressure angle punch is located on the second concave template, and described punch punch to be located on the second concave template and corresponding with punch die.
Preferably, what the mesopore be also provided with between described cope match-plate pattern and lower bolster for square shaped washer carried out drawing hole operation in light draws casement in light, described draw casement in light to comprise to be located at the cope match-plate pattern lower end of described first stripper plate side draw light mesopore punch, and be located at and on the first concave template and corresponding with drawing light mesopore punch draw light mesopore die.
Preferably, the angle at the inclination angle that described pressure angle punch is provided with is 1.5 °, and inside, the inclination angle of described pressure angle punch is also provided with and the fillet waiting to press the radius at pressure angle, mesopore two sides consistent.
Preferably, described 3rd concave template side is also provided with material guide device, described material guide device comprises guide post, stock guide and stock guide backing plate and ball outer guiding post, and described stock guide is installed on stock guide backing plate, and described guide post and ball outer guiding post are installed on stock guide respectively.
Preferably, described first concave template is also provided with the blowning installation for separating of workpiece.
Compared with prior art, the invention has the advantages that: the pressure angle punch at pressure pressure angle, mesopore two sides is set to have the pressure angle punch at inclination angle by one aspect of the present invention, decrease the difficulty of discharging, blank can conveniently be unloaded, and turningly carry out pressure angle, pressure mesopore two sides to another side; On the other hand punch die is fixed on stripper, material strip interlock can be followed, time at the bottom of mould top, produce punch action again, reach the synchronous of stripper and material strip, not easily produce flexural deformation.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described.
Fig. 1 a and Fig. 1 b is the structure chart of square washer described in the present invention.
Fig. 2 is the construction profile of square washer continuous mould structure of the present invention.
Fig. 3 is the plan structure figure of lower bolster in square washer continuous mould structure of the present invention.
Fig. 4 is the process chart that square washer continuous mould structure of the present invention produces square washer.
Fig. 5 is the structure chart of pressing angle punch in square washer continuous mould structure of the present invention.
Description of reference numerals: 1, cope match-plate pattern, 2, first upper padding plate, 3, second upper padding plate, 4, first fixed head, 5, second fixed head, 6, 3rd fixed head, 7, first de-backboard, 8, second de-backboard, 9, 3rd de-backboard, 10, first stripper plate, 11, second stripper plate, 12, 3rd stripper plate, 13, first concave template, 14, second concave template, 15, 3rd concave template, 16, first lower bolster, 17, second lower bolster, 18, lower bolster, 19, guide post, 20, stock guide, 21, stock guide backing plate, 22, ball outer guiding post, 23, essence rushes mesopore punch, 24, essence rushes mesopore die, 25, pressure angle punch, 26, punch punch, 27, punch die, 28, draw light mesopore die, 29, draw light mesopore punch.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
Produce in the process of square washer at the progressive die shown in Fig. 4, its step be generally divided into following some: S1 cuts the step of step pitch to blank, produces coarse positioning and eliminates the inconsistent of itemize web width; S2 carries out pre-punching for accurately locating the step of the bullport of material strip to blank; S3 carries out to blank the step that essence rushes mesopore; S4 carries out the step at mesopore precompressed angle to blank; S5 carries out the step of pressing pressure angle, mesopore two sides to blank; S6 carries out the step of punch to blank; S7 draws the step of light mesopore to blank; S8 carries out the step of trimming to blank, generates square washer product; S9 square shaped washer product carries out the step be separated, wherein key is pressure angle, mesopore two sides, and mesopore draws the operation of light and plane punch, so, when being introduced mould structure, mainly describe the structure of drawing light and plane punch for pressure angle, mesopore two sides, mesopore.
Consult Fig. 2, shown in Fig. 3, the square washer continuous mould structure of one provided by the invention, comprise cope match-plate pattern 1 and lower bolster 18, described cope match-plate pattern 1 is provided with upper padding plate from top to bottom successively, fixed head, de-backboard and stripper plate, described lower bolster 18 is provided with lower bolster and concave template successively, described cope match-plate pattern 1 by guide pillar successively with upper padding plate, fixed head, de-backboard is connected with stripper plate, gap is provided with between described fixed head and de-backboard, the mesopore be also provided with successively between described cope match-plate pattern 1 and lower bolster 18 for square shaped washer carries out the mesopore stamping die of punching press, the pressure angle stamping die of punching press is carried out at pressure angle, mesopore two sides for square shaped washer, and the punch mould of punching press is carried out for the punch of square shaped washer, and described mesopore stamping die comprises the essence being located at cope match-plate pattern 1 lower end rushes mesopore punch 23, and be located at and concave template rushes essence corresponding to mesopore punch 23 rush mesopore die 24 with essence, described pressure angle stamping die is the pressure angle punch 25 be located on concave template, and described pressure angle punch 25 is provided with inclination angle X, and described punch mould comprises the punch die 27 being located at stripper plate lower end, and be located at punch punch 26 corresponding with punch die 27 on concave template.
Concrete, described upper padding plate comprises the first upper padding plate 2 and the second upper padding plate 3, described fixed head comprises the first fixed head 4, second fixed head 5 and the 3rd fixed head 6, described de-backboard comprises the first de-backboard 7, second de-backboard 8 and the 3rd de-backboard 9, described stripper plate comprises the first stripper plate 10, second stripper plate 11 and the 3rd stripper plate 12, the first described fixed head 4 is fixed on the lower end of the first upper padding plate 2, the second described fixed head 5 is individually fixed in the lower end of the first upper padding plate 2 and the second upper padding plate 3, the 3rd described fixed head 6 is fixed on the lower end of the second upper padding plate 3, described first de-backboard 7, second de-backboard 8 and the 3rd de-backboard 9 lay respectively at the first fixed head 4, the lower end of the second fixed head 5 and the 3rd fixed head 6, the first described stripper plate 10, second stripper plate 11 and the 3rd stripper plate 12 are individually fixed in the first de-backboard 7, the lower end of the second de-backboard 8 and the 3rd de-backboard 9, described essence rushes cope match-plate pattern 1 lower end that the 3rd stripper plate 12 side is located at by mesopore punch 23, and described punch die 27 is fixed on the second stripper plate 11 lower end.And lower bolster comprises the first lower bolster 16 and the second lower bolster 17, described concave template comprises the first concave template 13, second concave template 14 and the 3rd concave template 15, the first described lower bolster 16 and the second lower bolster 17 are installed on lower bolster 18, the first described concave template 13 is installed on the upper end of the first lower bolster 16, the second described concave template 14 is installed on the upper end of the first lower bolster 16 and the second lower bolster 17 respectively, the 3rd described concave template 15 is installed on the upper end of the second lower bolster 17, the first described concave template 13, second concave template 14 and the 3rd concave template 15 lay respectively at the first stripper plate 10, the lower end of the second stripper plate 11 and the 3rd stripper plate 12, described essence is rushed mesopore die 24 and is located at the upper of the 3rd concave template 15 and to rush mesopore punch 23 corresponding with essence, and described pressure angle punch 25 is located on the second concave template 14, and described punch punch 26 to be located on the second concave template 14 and corresponding with punch die 27.
And, what the mesopore be also provided with between described cope match-plate pattern 1 and lower bolster 18 for square shaped washer carried out drawing hole operation in light draws casement in light, described draw casement in light to comprise to be located at cope match-plate pattern 1 lower end of described first stripper plate 10 side draw light mesopore punch 29, and be located at and on the first concave template 13 and corresponding with drawing light mesopore punch 29 draw light mesopore die 28.
As shown in Figure 5, in the present invention, the angle of the inclination angle X that described pressure angle punch 25 is provided with is 1.5 °, and the inside, inclination angle of pressure angle punch 25 is also provided with and the fillet R1 waiting to press the radius of pressure angle, mesopore two sides R consistent.Such one side is convenient to wait the processing of pressing pressure angle, mesopore two sides R, is convenient to discharging on the other hand, blank can conveniently be unloaded, then turn to another side and carry out pressure angle, pressure mesopore two sides.Further, the quantity of square washer product that continuous mould punching press of the present invention once generates is three.
In order to realize Continuous maching, also material guide device is provided with in the 3rd concave template 15 side, described material guide device comprises guide post 19, stock guide 20 and stock guide backing plate 21 and ball outer guiding post 22, described stock guide 20 is installed on stock guide backing plate 21, and described guide post 19 and ball outer guiding post 22 are installed on stock guide 20 respectively.This is because the thickness of washer plate is 3.0mm, belong to thicker material, timber intensity is large, common fixing guide mode is adopted to be difficult to washer plate to send into mould mouth, and can not instructions for use be met, therefore adopt the guide mode of rotating guide post more suitable, effectively prevent the phenomenon that gets stuck, decrease the wear extent of stock guide.
During final cutting products of separated after machining, convenient in order to go out part, need the blowning installation be provided with on the first concave template 13 for separating of workpiece, the form that blowning installation can blow afloat for cylinder.
Because mould volume is comparatively large, single amount is also large, and it is inconvenient that whole set of die pulls down maintenance, for larger blanking punch, all adopts screw fixed, conveniently pulls down maintenance.And arranging above-mentioned die is all mold inserts, is directly installed on concave template, can directly take off when keeping in repair, simultaneously because sheet material is thicker, die wear amount is large, and inlaid piece of mould all have employed SKD11 processing, hot place amount: HRC60 ?62 °.Further, punch die 27 is because need follow material strip synchronization action, so punch female mold part has been made the structure of floating cavity die, die is fixed on the second stripper plate.Meanwhile, because punch punch 26 and punch die 27 are because often needing to change part, sharpening, so also use mold insert to enter block form, easy disassembly and maintenance.And in order to material strip can be unloaded and lift when this step punching press completes, all install the powerful device for discharging of secondary additional at each punch die 26 and punch punch 27 fixed head, be namely provided with secondary lastics thimble.
Because in the present invention, the stripper plate of mould serves the effect of guiding, discharging, binder, because mould is longer, stripper plate be divide into three sections, mainly conveniently processing, installation and debugging and maintenance.Also can reduce the imbalance problem of the long generation of stripper plate simultaneously.And on the stripper plate of each section, be equipped with four inner guiding posts, play the accurate guide effect of stripper plate, strengthen the anti-inclined ability of stripper plate; Rush in mesopore operation in essence simultaneously, the stripper plate of this section seems to the guiding that essence rushes punch and is even more important, bilateral gap value can be made to be not more than 0.01, and as excesssive gap, punch guiding is insuperior, essence is rushed mesopore and is produced tomography, mesopore can be caused cannot to pull out suitable fineness, so there is higher processing request in this workshop section for stripper plate, stripping force is larger herein simultaneously, stripping force need be calculated and suitable spring is installed, to facilitate unloading.
After have employed mould structure of the present invention, technique is highly stable, and production efficiency obtains greatly higher, and mold repair is convenient.And promote design ap-plication on washer product HSS040040001220S, production production capacity reaches 36000PCS/8 hour/people, and one-shot production production capacity is 8000PCS/8 hour/3 people, and production efficiency improves 13.5 times.Achieve good economic benefit, greatly reduce the working strength of workman simultaneously, improve the security of production, solve the problem of production bottleneck.
Although describe embodiments of the present invention by reference to the accompanying drawings; but patent owner can make various distortion or amendment within the scope of the appended claims; as long as be no more than the protection domain described by claim of the present invention, all should within protection scope of the present invention.
Claims (7)
1. a square washer continuous mould structure, comprise cope match-plate pattern and lower bolster, described cope match-plate pattern is provided with upper padding plate from top to bottom successively, fixed head, de-backboard and stripper plate, described lower bolster is provided with lower bolster and concave template successively, described cope match-plate pattern by guide pillar successively with upper padding plate, fixed head, de-backboard is connected with stripper plate, gap is provided with between described fixed head and de-backboard, it is characterized in that: the mesopore be also provided with successively between described cope match-plate pattern and lower bolster for square shaped washer carries out the mesopore stamping die of punching press, the pressure angle stamping die of punching press is carried out at pressure angle, mesopore two sides for square shaped washer, and the punch mould of punching press is carried out for the punch of square shaped washer, and described mesopore stamping die comprises the essence being located at cope match-plate pattern lower end rushes mesopore punch, and be located at and concave template rushes essence corresponding to mesopore punch rush mesopore die with essence, described pressure angle stamping die is the pressure angle punch be located on concave template, and described pressure angle punch is provided with inclination angle, and described punch mould comprises the punch die being located at stripper plate lower end, and be located at punch punch corresponding with punch die on concave template.
2. square washer continuous mould structure according to claim 1, it is characterized in that: described upper padding plate comprises the first upper padding plate and the second upper padding plate, described fixed head comprises the first fixed head, second fixed head and the 3rd fixed head, described de-backboard comprises the first de-backboard, second de-backboard and the 3rd de-backboard, described stripper plate comprises the first stripper plate, second stripper plate and the 3rd stripper plate, described first fixed head is fixed on the lower end of the first upper padding plate, described second fixed head is individually fixed in the lower end of the first upper padding plate and the second upper padding plate, described 3rd fixed head is fixed on the lower end of the second upper padding plate, described first de-backboard, second de-backboard and the 3rd de-backboard lay respectively at the first fixed head, the lower end of the second fixed head and the 3rd fixed head, described first stripper plate, second stripper plate and the 3rd stripper plate are individually fixed in the first de-backboard, the lower end of the second de-backboard and the 3rd de-backboard, and described essence rushes the cope match-plate pattern lower end that the 3rd stripper plate side is located at by mesopore punch, described punch die is fixed on the second stripper plate lower end.
3. square washer continuous mould structure according to claim 2, it is characterized in that: described lower bolster comprises the first lower bolster and the second lower bolster, described concave template comprises the first concave template, second concave template and the 3rd concave template, described first lower bolster and the second lower bolster are installed on lower bolster, described first concave template is installed on the upper end of the first lower bolster, described second concave template is installed on the upper end of the first lower bolster and the second lower bolster respectively, described 3rd concave template is installed on the upper end of the second lower bolster, described first concave template, second concave template and the 3rd concave template lay respectively at the first stripper plate, the lower end of the second stripper plate and the 3rd stripper plate, and described essence is rushed mesopore die and is located at the upper of the 3rd concave template and to rush mesopore punch corresponding with essence, described pressure angle punch is located on the second concave template, and described punch punch to be located on the second concave template and corresponding with punch die.
4. square washer continuous mould structure according to claim 3, it is characterized in that: what the mesopore be also provided with between described cope match-plate pattern and lower bolster for square shaped washer carried out drawing hole operation in light draws casement in light, described draw casement in light to comprise to be located at the cope match-plate pattern lower end of described first stripper plate side draw light mesopore punch, and be located at and on the first concave template and corresponding with drawing light mesopore punch draw light mesopore die.
5. square washer continuous mould structure according to claim 3, it is characterized in that: the angle at the inclination angle that described pressure angle punch is provided with is 1.5 °, and inside, the inclination angle of described pressure angle punch is also provided with and the fillet waiting to press the radius at pressure angle, mesopore two sides consistent.
6. square washer continuous mould structure according to claim 3, it is characterized in that: described 3rd concave template side is also provided with material guide device, described material guide device comprises guide post, stock guide and stock guide backing plate and ball outer guiding post, described stock guide is installed on stock guide backing plate, and described guide post and ball outer guiding post are installed on stock guide respectively.
7. square washer continuous mould structure according to claim 3, is characterized in that: described first concave template is also provided with the blowning installation for separating of workpiece.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310572618.0A CN103611798B (en) | 2013-11-15 | 2013-11-15 | A kind of square washer continuous mould structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310572618.0A CN103611798B (en) | 2013-11-15 | 2013-11-15 | A kind of square washer continuous mould structure |
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| CN103611798A CN103611798A (en) | 2014-03-05 |
| CN103611798B true CN103611798B (en) | 2015-10-28 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106166582A (en) * | 2016-08-16 | 2016-11-30 | 江苏力乐汽车部件股份有限公司 | A kind of progressive die producing multiple product |
| CN112935095B (en) * | 2021-02-03 | 2023-04-18 | 兴三星云科技有限公司 | Multi-section automatic die for cutting and rolling stainless steel section in one step and stamping method |
| CN113145741B (en) * | 2021-02-03 | 2022-12-13 | 兴三星云科技有限公司 | Flexible production line for rolling and stamping stainless steel section |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2154136Y (en) * | 1993-04-24 | 1994-01-26 | 潘建芳 | Warcy stamping mould |
| CN201841203U (en) * | 2010-06-24 | 2011-05-25 | 宁波雪波特紧固件有限公司 | Progressive die |
| CN103212639A (en) * | 2013-05-03 | 2013-07-24 | 无锡市中捷减震器有限公司 | Supporting ring continuous stamping die |
| CN203610506U (en) * | 2013-11-15 | 2014-05-28 | 梧州恒声电子科技有限公司 | Continuous mold structure of square washer |
-
2013
- 2013-11-15 CN CN201310572618.0A patent/CN103611798B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2154136Y (en) * | 1993-04-24 | 1994-01-26 | 潘建芳 | Warcy stamping mould |
| CN201841203U (en) * | 2010-06-24 | 2011-05-25 | 宁波雪波特紧固件有限公司 | Progressive die |
| CN103212639A (en) * | 2013-05-03 | 2013-07-24 | 无锡市中捷减震器有限公司 | Supporting ring continuous stamping die |
| CN203610506U (en) * | 2013-11-15 | 2014-05-28 | 梧州恒声电子科技有限公司 | Continuous mold structure of square washer |
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Effective date of registration: 20170608 Address after: 226200 Nantong City, Qidong Province Economic Development Zone, No. triumph Road, No. 1 Patentee after: Qidong Green Green Engineering Co., Ltd. Address before: Wuzhou Hongling Changzhou District Road 543002 No. 108 the Guangxi Zhuang Autonomous Region Patentee before: Wuzhou Hengsheng Electronic Technology Co., Ltd. |
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Effective date of registration: 20170628 Address after: 510800, 10 East Village, Huadu Town, Huadu District, Guangdong, Guangzhou Patentee after: Guangzhou City Teng song audio equipment Co., Ltd. Address before: 226200 Nantong City, Qidong Province Economic Development Zone, No. triumph Road, No. 1 Patentee before: Qidong Green Green Engineering Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |