CN107442641A - One kind cuts out diel automatically for fot screw - Google Patents
One kind cuts out diel automatically for fot screw Download PDFInfo
- Publication number
- CN107442641A CN107442641A CN201710760181.1A CN201710760181A CN107442641A CN 107442641 A CN107442641 A CN 107442641A CN 201710760181 A CN201710760181 A CN 201710760181A CN 107442641 A CN107442641 A CN 107442641A
- Authority
- CN
- China
- Prior art keywords
- template
- hole
- lid
- coordinates
- punching press
- 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
- 238000004080 punching Methods 0.000 claims abstract description 34
- 238000007599 discharging Methods 0.000 claims abstract description 21
- 238000005516 engineering process Methods 0.000 abstract description 11
- 230000000694 effects Effects 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000003860 storage Methods 0.000 description 5
- GQWNECFJGBQMBO-UHFFFAOYSA-N Molindone hydrochloride Chemical compound Cl.O=C1C=2C(CC)=C(C)NC=2CCC1CN1CCOCC1 GQWNECFJGBQMBO-UHFFFAOYSA-N 0.000 description 4
- 238000005452 bending Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/02—Punching blanks or articles with or without obtaining scrap; Notching
- B21D28/14—Dies
-
- 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
- B21D37/12—Particular guiding equipment, e.g. pliers; Special arrangements for interconnection or cooperation of dies
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Abstract
Diel is cut out automatically for fot screw the invention discloses one kind, is related to Stamping Die Technology field.Including discharging seat, limit base, concave template, template lid and upper bolster, the surface of discharging seat one coordinates with limit base；The surface of discharging seat one is fixed with the first cylinder；Second U-type groove of limited post and template lid coordinates；Concave template week, side was fixed with the first cylinder；The surface of concave template one is provided with groove；Groove is provided with some cross circular holes；Cross circular hole coordinates with punching press post；Second through hole of template lid coordinates with guide pillar；The surface of upper bolster one is provided with some cross circular holes；Cross circular hole coordinates with punching press post；The surface of upper bolster one is provided with some 4th blind holes；4th blind hole is fixed with guide pillar.The present invention solves the problem of active force of punching press post is uneven, and long-play causes punching press post to wear and cause the guide pillar well damage of punching press post by the effect of the second spacing conduit in concave template and template lid and limit base.
Description
Technical field
The invention belongs to Stamping Die Technology field, and stamping die is cut out automatically for fot screw more particularly to one kind
Tool.
Background technology
Technology of die manufacturing modernization is the basis of die ＆ mold development.With the development of science and technology, computer technology,
The advanced technologies such as information technology, automatic technology just constantly to traditional manufacturing technology infiltration, intersection, fusion, are implemented to transform to it,
Form advanced manufacturing technology.At present, when carrying out larger special-shaped product mold design, due to product exist boss, recessed bag with
And situations such as bending, larger power can be applied in the bending place of the part by punching through, and then the active force of punching press post is uneven, when long
Between operation cause punching press post wear；Mould can have angle of inclination in storage, and then cause the guide pillar well damage of punching press post.
The present invention makes mould be completely in concave template and template lid closure state by the effect of concave template and template lid
Under, there is the characteristics of mould uniform force；By the effect of the in limit base second spacing conduit, facilitate the storage of mould, solve
The active force of punching press post is uneven, and long-play causes punching press post to wear and cause the guide pillar well damage of punching press post to ask
Topic.
The content of the invention
Diel is cut out automatically for fot screw it is an object of the invention to provide one kind, passes through concave template, template
The effect of lid and limit base, it is uneven to solve the active force of existing punching press post, and long-play causes punching press post to wear and lead
The problem of causing the guide pillar well damage of punching press post.
In order to solve the above technical problems, the present invention is achieved by the following technical solutions：
The present invention cuts out diel, including discharging seat, limit base, concave template, mould automatically for one kind for fot screw
Plate lid and upper bolster, the discharging seat are Rectangular Plate Structure；The discharging seat week side is provided with some first U-type grooves；It is described to unload
Material seat one surface is provided with some supporting plates；Two supporting plate surface engagement with limit base respectively；The table of discharging seat one
Face is provided with a U-shaped seat；The surface of U-shaped seat one is provided with the first blind hole；First blind hole is fixed with the first cylinder；The discharging
One surface of seat is fixed with some striker plates；The surface of limit base one is provided with some limited posts；The limited post and template lid
Second U-type groove coordinates；The surface of limit base one is respectively equipped with some first support columns and some second support columns；Described first
Support column and the second support column are respectively equipped with the first spacing conduit；The first spacing conduit respectively with template lid, upper bolster
All sides coordinate；The surface of limit base one is provided with the second spacing conduit；All sides of the second spacing conduit and concave template
Coordinate；The concave template week, side was provided with the second blind hole；Second blind hole is fixed with the first cylinder；The surface of concave template one
It is provided with some first through holes；First through hole coordinates with guide pillar；The surface of concave template one is provided with groove；The groove
Uniformly it is provided with some cross circular holes；The cross circular hole is the combination of circular port and cruciform vent；The cross circular hole and punching press
Post coordinates；The template lid is rectangular slab；The template lid week side is provided with some second U-type grooves；The surface of template lid one
It is provided with some second through holes；Second through hole coordinates with guide pillar；The surface of template lid one is provided with some 3rd blind holes；
3rd blind hole is fixed with the second cylinder；The surface of template lid one coordinates with concave template；The surface of template lid one is uniform
It is provided with some cross circular holes；The cross circular hole coordinates with punching press post；The surface of upper bolster one is uniformly provided with some cross circles
Hole；Another surface of upper bolster is uniformly provided with some first screwed holes；Second screw thread of first screwed hole and punching press post
Hole coordinates；The cross circular hole coordinates with punching press post；The surface of upper bolster one is provided with some 4th blind holes；4th blind hole
It is respectively fixed with guide pillar；The surface of upper bolster one is provided with some 5th blind holes；5th blind hole is fixed with the second cylinder.
Further, the limited post week side of the limit base is provided with groove.
Further, the second cylinder week side is respectively fixed with spring.
Further, the surface of punching press post one is provided with the second screwed hole.
The invention has the advantages that：
1st, the present invention makes mould be completely in concave template and template lid closure state by the effect of concave template and template lid
Under, there is the characteristics of mould uniform force；It is uneven to solve the active force of punching press post, long-play causes punching press post to grind
Damage.
2nd, the present invention makes template lid and upper bolster can only be upper and lower by the effect of the in limit base first spacing conduit and guide pillar
Motion, and only guide pillar enter concave template the first through hole when, diel could be completed, there is accurate production mould, subtract
The advantages of production of few inferior goods.
3rd, the present invention is made concave template in the presence of the first cylinder, transported by the effect of the in limit base second spacing conduit
One end of the second spacing conduit in limit base is moved, facilitates the storage of mould, and angle of inclination of the mould in storage is 0, solution
Mould of having determined can have angle of inclination in storage, and the problem of cause guide pillar well damage.
Certainly, any product for implementing the present invention it is not absolutely required to reach all the above advantage simultaneously.
Brief description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, used required for being described below to embodiment
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for ability
For the those of ordinary skill of domain, on the premise of not paying creative work, it can also be obtained according to these accompanying drawings other attached
Figure.
Fig. 1 is to disclose a kind of structural representation for cutting out diel automatically for fot screw；
Fig. 2 is the structural representation of discharging seat；
Fig. 3 is the structural representation of limit base；
Fig. 4 is the structural representation of concave template；
Fig. 5 is the structure front view of concave template, template lid, upper bolster and the second cylinder；
Fig. 6 is the structure front view that upper bolster looks up visual angle；
Fig. 7 is the structural representation of punching press post；
In accompanying drawing, the list of parts representated by each label is as follows：
1- discharging seats, 2- limit bases, 3- concave templates, 4- template lids, 5- upper bolsters, the U-type grooves of 101- first, 102- supports
Plate, 103-U type seats, the blind holes of 104- first, the cylinders of 105- first, 106- striker plates, 201- limited posts, the support columns of 202- first,
The support columns of 203- second, the first spacing conduits of 204-, the second spacing conduits of 205-, the blind holes of 301- second, the through holes of 302- first,
303- grooves, 304- cross circular holes, the U-type grooves of 401- second, the through holes of 402- second, the blind holes of 403- the 3rd, the cylinders of 404- second,
405- springs, the screwed holes of 501- first, 502- punching press posts, the blind holes of 503- the 4th, the blind holes of 504- the 5th, the screwed holes of 505- second,
506- guide pillars.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained all other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
In the description of the invention, it is to be understood that term " perforate ", " on ", " under ", " thickness ", " top ", " in ",
Indicating position or the position relationship such as " length ", " interior ", " surrounding ", it is for only for ease of the description present invention and simplifies description, without
It is that the component of instruction or hint meaning or element must have specific orientation, with specific azimuth configuration and operation, therefore not
It is understood that as limitation of the present invention.
Referring to shown in Fig. 1-7, the present invention cuts out diel automatically to be a kind of for fot screw, including discharging seat 1,
Limit base 2, concave template 3, template lid 4 and upper bolster 5, discharging seat 1 are Rectangular Plate Structure；1 week side of discharging seat is provided with 4 the oneth U
Type groove 101；The surface of discharging seat 1 one is provided with two supporting plates 102；Two supporting plates 102 surface engagement with limit base 2 respectively；Unload
Material seat 1 one surface is provided with a U-shaped seat 103；The U-shaped surface of seat 103 1 is provided with the first blind hole 104；First blind hole 104 is fixed with first
Cylinder 105；The surface of discharging seat 1 one is fixed with six striker plates 106；The surface of limit base 2 one is provided with four limited posts 201；Limited post 2 with
Second U-type groove 401 of template lid 4 coordinates；The surface of limit base 2 one is respectively equipped with two first support columns 202 and two second support columns
203；Two first support columns 202 and two second support columns 203 are respectively equipped with the first spacing conduit 204；First spacing conduit 204 divides
All sides not with template lid 4, upper bolster 5 coordinate；The surface of limit base 2 one is provided with the second spacing conduit 205；Second spacing conduit
205 coordinate with all sides of concave template 3；3 weeks sides of concave template are provided with the second blind hole 301；Second blind hole 301 is fixed with the first gas
Cylinder 105；The surface of concave template 3 one is provided with 4 first through holes 302；First through hole 302 coordinates with guide pillar 506；The table of concave template 3 one
Face is provided with groove 303；Groove 3 is uniformly provided with 56 cross circular holes 304；Cross circular hole 304 is the group of circular port and cruciform vent
Close；Cross circular hole 304 coordinates with punching press post 502；Template lid 4 is rectangular slab；4 weeks sides of template lid are provided with 4 second U-type grooves
401；The surface of template lid 4 one is provided with 4 second through holes 402；Second through hole 402 coordinates with guide pillar 506；The surface of template lid 4 one
It is provided with two the 3rd blind holes 403；3rd blind hole 403 is fixed with the second cylinder 404；The surface of template lid 4 one coordinates with concave template 3；Mould
The surface of plate lid 4 one is uniformly provided with 56 cross circular holes 304；Cross circular hole 304 coordinates with punching press post 502；The surface of upper bolster 5 one is equal
It is even to be provided with 56 cross circular holes 304；5 another surface of upper bolster is uniformly provided with 56 the first screwed holes 501；First screwed hole 501
Coordinate with the second screwed hole 505 of punching press post 502；Cross circular hole 304 coordinates with punching press post 502；The surface of upper bolster 5 one is provided with four
4th blind hole 503；4th blind hole 503 is respectively fixed with guide pillar 506；The surface of upper bolster 5 one is provided with two the 5th blind holes 504；5th
Blind hole 504 is fixed with the second cylinder 404.
Wherein as shown in figure 3,201 weeks sides of limited post of limit base 2 are provided with groove 206.
Wherein as shown in figure 5,404 weeks sides of the second cylinder are respectively fixed with spring 405.
Wherein as shown in fig. 7, the surface of punching press post 502 1 is provided with the second screwed hole 505.
In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means
At least one implementation of the present invention is contained in reference to specific features, structure, material or the feature that the embodiment or example describe
In example or example.In this manual, identical embodiment or example are not necessarily referring to the schematic representation of above-mentioned term.
Moreover, specific features, structure, material or the feature of description can close in any one or more embodiments or example
Suitable mode combines.
Present invention disclosed above preferred embodiment is only intended to help and illustrates the present invention.Preferred embodiment is not detailed
All details are described, it is only described embodiment also not limit the invention.Obviously, according to the content of this specification,
It can make many modifications and variations.This specification is chosen and specifically describes these embodiments, is to preferably explain the present invention
Principle and practical application so that skilled artisan can be best understood by and utilize the present invention.The present invention is only
Limited by claims and its four corner and equivalent.
Claims (4)
1. one kind cuts out diel automatically for fot screw, it is characterised in that：Including discharging seat (1), limit base (2), recessed
Template (3), template lid (4) and upper bolster (5),
The discharging seat (1) is Rectangular Plate Structure；The all sides of the discharging seat (1) are provided with some first U-type grooves (101)；It is described
The surface of discharging seat (1) one is provided with some supporting plates (102)；Match somebody with somebody on a surface of two supporting plate (102) respectively with limit base (2)
Close；The surface of discharging seat (1) one is provided with a U-shaped seat (103)；The surface of U-shaped seat (103) one is provided with the first blind hole (104)；
First blind hole (104) is fixed with the first cylinder (105)；The surface of discharging seat (1) one is fixed with some striker plates
(106)；
The surface of limit base (2) one is provided with some limited posts (201)；The second of the limited post (2) and template lid (4) is U-shaped
Groove (401) coordinates；The surface of limit base (2) one is respectively equipped with some first support columns (202) and some second support columns
(203)；Two first support column (202) and two second support columns (203) are respectively equipped with the first spacing conduit (204)；It is described
First spacing conduit (204) coordinates with all sides of template lid (4), upper bolster (5) respectively；Open on the surface of limit base (2) one
There is the second spacing conduit (205)；The second spacing conduit (205) and all sides of concave template (3) coordinate；
The all sides of the concave template (3) are provided with the second blind hole (301)；Second blind hole (301) is fixed with the first cylinder
(105)；The surface of concave template (3) one is provided with some first through holes (302)；First through hole (302) and guide pillar
(506) coordinate；The surface of concave template (3) one is provided with groove (303)；The groove (3) is uniformly provided with some cross circular holes
(304)；The cross circular hole (304) is the combination of circular port and cruciform vent；The cross circular hole (304) and punching press post
(502) coordinate；
The template lid (4) is rectangular slab；The all sides of the template lid (4) are provided with some second U-type grooves (401)；The template
(4) one surfaces of lid are provided with some second through holes (402)；Second through hole (402) coordinates with guide pillar (506)；The mould
The surface of plate lid (4) one is provided with some 3rd blind holes (403)；3rd blind hole (403) is fixed with the second cylinder (404)；It is described
The surface of template lid (4) one coordinates with concave template (3)；The surface of template lid (4) one is uniformly provided with some cross circular holes (304)；
The cross circular hole (304) coordinates with punching press post (502)；
The surface of upper bolster (5) one is uniformly provided with some cross circular holes (304)；Uniformly open on another surface of the upper bolster (5)
There are some first screwed holes (501)；First screwed hole (501) and the second screwed hole (505) of punching press post (502) coordinate；
The cross circular hole (304) coordinates with punching press post (502)；The surface of upper bolster (5) one is provided with some 4th blind holes (503)；
4th blind hole (503) is respectively fixed with guide pillar (506)；The surface of upper bolster (5) one is provided with some 5th blind holes
(504)；5th blind hole (504) is fixed with the second cylinder (404).
2. one kind according to claim 1 cuts out diel automatically for fot screw, it is characterised in that described spacing
Limited post (201) all sides of seat (2) are provided with groove (206).
3. one kind according to claim 1 cuts out diel automatically for fot screw, it is characterised in that described second
Cylinder (404) all sides are respectively fixed with spring (405).
4. one kind according to claim 1 cuts out diel automatically for fot screw, it is characterised in that the punching press
The surface of post (502) one is provided with the second screwed hole (505).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710760181.1A CN107442641B (en) | 2017-08-30 | 2017-08-30 | One kind cutting out stamping die for fot screw automatically |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710760181.1A CN107442641B (en) | 2017-08-30 | 2017-08-30 | One kind cutting out stamping die for fot screw automatically |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107442641A true CN107442641A (en) | 2017-12-08 |
| CN107442641B CN107442641B (en) | 2019-02-19 |
Family
ID=60493437
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710760181.1A Active CN107442641B (en) | 2017-08-30 | 2017-08-30 | One kind cutting out stamping die for fot screw automatically |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107442641B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2738916Y (en) * | 2004-11-01 | 2005-11-09 | 天津三电汽车空调有限公司 | Puncturing mould |
| CN2754767Y (en) * | 2004-12-07 | 2006-02-01 | 嘉善长盛滑动轴承有限公司 | Four position punching mould |
| JP2013027886A (en) * | 2011-07-27 | 2013-02-07 | Honda Motor Co Ltd | Press die |
| KR20140038643A (en) * | 2012-09-21 | 2014-03-31 | 이영희 | Wheel type mold of nct |
-
2017
- 2017-08-30 CN CN201710760181.1A patent/CN107442641B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2738916Y (en) * | 2004-11-01 | 2005-11-09 | 天津三电汽车空调有限公司 | Puncturing mould |
| CN2754767Y (en) * | 2004-12-07 | 2006-02-01 | 嘉善长盛滑动轴承有限公司 | Four position punching mould |
| JP2013027886A (en) * | 2011-07-27 | 2013-02-07 | Honda Motor Co Ltd | Press die |
| KR20140038643A (en) * | 2012-09-21 | 2014-03-31 | 이영희 | Wheel type mold of nct |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107442641B (en) | 2019-02-19 |
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|---|---|---|---|
| PB01 | Publication | ||
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| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20190114 Address after: 510800 Bicun West Bridge, Fengshen Avenue, Xinhua Street, Huadu District, Guangzhou City, Guangdong Province Applicant after: GUANGZHOU DONGRI METAL MOLD Co.,Ltd. Address before: 230000 No. 1 # 2 # Workshop, No. 18 Jingui Road, Hefei High-tech Zone, Anhui Province Applicant before: HEFEI ZHENGTE MACHINERY Co.,Ltd. |
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| GR01 | Patent grant | ||
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Automatic cutting stamping die for foundation bolt Effective date of registration: 20200622 Granted publication date: 20190219 Pledgee: Bank of Guangzhou Co.,Ltd. xingangzhong sub branch Pledgor: GUANGZHOU DONGRI METAL MOLD Co.,Ltd. Registration number: Y2020440000146 |
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Date of cancellation: 20210706 Granted publication date: 20190219 Pledgee: Bank of Guangzhou Co.,Ltd. xingangzhong sub branch Pledgor: GUANGZHOU DONGRI METAL MOLD Co.,Ltd. Registration number: Y2020440000146 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A stamping die for automatic cutting of foundation screw Effective date of registration: 20210709 Granted publication date: 20190219 Pledgee: Bank of Guangzhou Co.,Ltd. Guangzhou Kecun sub branch Pledgor: GUANGZHOU DONGRI METAL MOLD Co.,Ltd. Registration number: Y2021440000238 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20220805 Granted publication date: 20190219 Pledgee: Bank of Guangzhou Co.,Ltd. Guangzhou Kecun sub branch Pledgor: GUANGZHOU DONGRI METAL MOLD Co.,Ltd. Registration number: Y2021440000238 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A stamping die for automatic cutting of anchor screws Effective date of registration: 20220809 Granted publication date: 20190219 Pledgee: Bank of Guangzhou Co., Ltd. Jiangyan Road Sub-branch Pledgor: GUANGZHOU DONGRI METAL MOLD Co.,Ltd. Registration number: Y2022980012189 |
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Date of cancellation: 20231030 Granted publication date: 20190219 Pledgee: Bank of Guangzhou Co.,Ltd. Jiangyan Road Sub branch Pledgor: GUANGZHOU DONGRI METAL MOLD Co.,Ltd. Registration number: Y2022980012189 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A type of automatic cutting and stamping die for foundation screws Effective date of registration: 20231101 Granted publication date: 20190219 Pledgee: Bank of Guangzhou Co.,Ltd. Jiangyan Road Sub branch Pledgor: GUANGZHOU DONGRI METAL MOLD Co.,Ltd. Registration number: Y2023980063767 |
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| CP03 | Change of name, title or address |
Address after: 510800 Bicun West Bridge, Fengshen Avenue, Xinhua Street, Huadu District, Guangzhou City, Guangdong Province Patentee after: Guangdong Dongri Technology Industry Co.,Ltd. Country or region after: China Address before: 510800 Bicun West Bridge, Fengshen Avenue, Xinhua Street, Huadu District, Guangzhou City, Guangdong Province Patentee before: GUANGZHOU DONGRI METAL MOLD Co.,Ltd. Country or region before: China |
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| CP03 | Change of name, title or address |