CN109092987A - A kind of positioning device and localization method for accessory die - Google Patents

A kind of positioning device and localization method for accessory die Download PDF

Info

Publication number
CN109092987A
CN109092987A CN201810778955.8A CN201810778955A CN109092987A CN 109092987 A CN109092987 A CN 109092987A CN 201810778955 A CN201810778955 A CN 201810778955A CN 109092987 A CN109092987 A CN 109092987A
Authority
CN
China
Prior art keywords
positioning
plate
pressure head
fixed
cope
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
Application number
CN201810778955.8A
Other languages
Chinese (zh)
Other versions
CN109092987B (en
Inventor
赵战锋
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nantong Borui Precision Rubber & Plastic Technology Co ltd
Original Assignee
Wenzhou Polytechnic
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Wenzhou Polytechnic filed Critical Wenzhou Polytechnic
Priority to CN201810778955.8A priority Critical patent/CN109092987B/en
Publication of CN109092987A publication Critical patent/CN109092987A/en
Application granted granted Critical
Publication of CN109092987B publication Critical patent/CN109092987B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D37/00Tools as parts of machines covered by this subclass
    • B21D37/04Movable or exchangeable mountings for tools

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)

Abstract

The invention discloses a kind of positioning devices and localization method for accessory die, are related to die arrangement device technical field.The present invention includes cope, further includes two positioning components, and one surface rectangle of the cope arrangement is fixed with pressure head;One surface of pressure head is fixed with connecting plate;One surface rectangle of the connecting plate arrangement is provided with the first threaded hole;One surface rectangle of the cope arrangement is provided with first positioning hole;One surface of connecting plate has been connected by screw to pressure head plate;The positioning component includes upper positioning plate and lower positioning plate;One surface of upper positioning plate is provided with two first pilot holes;One surface of upper positioning plate is fixed with two first guide cylinders;One surface of upper positioning plate is fixed with two guide posts.The present invention carries out location and installation by the positioning component of design and the framed position by pressure head plate of positioning and carries out friction testing, solves the problems, such as that existing pressure head plate installation process does not have special auxiliary device and needs molding test.

Description

A kind of positioning device and localization method for accessory die
Technical field
The invention belongs to die arrangement device technical field, more particularly to a kind of positioning device for accessory die and Localization method.
Background technique
Blanking die is indispensable technological equipment in punching production, good mould structure be realize process program can By guaranteeing.The quality and accuracy of punching parts depend primarily on the quality and precision of blanking die.
Pressure head plate is directly directly installed on pressure when usual in the pressure head plate of installation punching end by existing punching shape mould On the connecting plate of head, it is subsequently installed on machine and molds test-run a machine, Chang Yinwei pressure head plate and framed friction cause grinding tool pressure head plate to damage, There is no special auxiliary installation device, precision depends primarily on the installation accuracy of pressure head, is fitted without precision guarantee.
Summary of the invention
The purpose of the present invention is to provide a kind of positioning devices and localization method for accessory die, pass through determining for design Hyte part and the framed position by pressure head plate of positioning carry out location and installation and carry out friction testing, solve existing pressure head plate installation Process does not have special auxiliary device and needs the problem of molding test.
In order to solve the above technical problems, the present invention is achieved by the following technical solutions:
The present invention is a kind of positioning device and localization method for accessory die, including cope, further includes two positioning Component, one surface rectangle of the cope arrangement are fixed with pressure head;One surface of pressure head is fixed with connecting plate;The connecting plate The arrangement of one surface rectangle is provided with the first threaded hole;One surface rectangle of the cope arrangement is provided with first positioning hole;The connection One surface of plate has been connected by screw to pressure head plate;The positioning component includes upper positioning plate and lower positioning plate;The upper positioning plate One surface is provided with two first pilot holes;One surface of upper positioning plate is fixed with two first guide cylinders;One table of upper positioning plate Face is fixed with two guide posts;One surface of upper positioning plate is fixed with extensible member;One surface of upper positioning plate and cope one Surface engagement;One surface of lower positioning plate is provided with two second pilot holes;One surface of lower positioning plate is fixed with two second and leads To cylinder;One surface of lower positioning plate and another surface engagement of cope;The upper positioning plate and lower positioning plate pass through cylinder spiral shell Bolt is fixedly connected with cope;Cylindrical bolt one end week side is threaded with nut;Four guide post week sides are sliding It is dynamic that be combined with positioning framed;The framed surface of positioning is provided with second location hole;The second location hole inner wall and pressure head plate Clearance fit;The framed surface rectangle arrangement of positioning is provided with third pilot hole;The framed surface of positioning is fixed with two Positioning ring;The positioning ring inner wall and extensible member one end cooperate.
Further, one surface of pressure head plate is provided with several second threaded holes.
Further, the third pilot hole inner wall is equipped with sliding sleeve;The sliding sleeve is slidably matched with guide post.
Further, the extensible member includes cylinder, hydraulic cylinder or electric telescopic rod.
Further, first pilot hole, the first guide cylinder, the second pilot hole and the second guide cylinder inner wall are equipped with resistance to Mill axle sleeve.
Further, the framed material of positioning includes aluminium alloy and bakelite;The second location hole inner wall is fixed with resistance to Grinding set.
Further, include the following steps:
SS001 installation positioning, takes cope to place smooth, upper positioning plate and lower positioning plate is in place, cylinder is passed through Upper positioning plate and lower positioning plate are fastened on cope by bolt and nut, and two positioning components are installed;
SS002 installs posting, takes and is mounted in four guide posts under the framed horizontality of positioning, makes to position framed four It slides axially in a guide post along guide post, extensible member end and positioning ring inner wall is cooperated, extensible member end face and cope table Face contact;
SS003 installation fitting will position framed middle part by extensible member and give rise to connecting plate upper surface, and pressure head plate is placed On connecting plate in second location hole, pressure head plate is pre-fixed on connecting plate by screw;
SS004 positioning adjustment, extensible member carry out reciprocal telescopic movement, drive and position framed reciprocating motion, extensible member after 30s Second location hole inner wall and pressure head plate week side are observed in stop motion, and unworn pressure head plate is tightened;
SS005 polishing amendment, the pressure head plate worn in SS004 is removed, and connecting plate of polishing is installed again after the completion of polishing Pressure head plate repeats SS004;
SS006 installs positioning completely, repeats SS004 and SS005, all pressure head plates are installed in place;
SS007 dismantling positioning, it is framed to remove positioning under horizontality, removes cylindrical bolt and nut, removes positioning plate It completes to disassemble with lower positioning plate.
The invention has the following advantages:
1, the present invention positions pressure head plate by positioning component and the framed hole location using on cope of positioning, pressure head Die trial test is carried out after plate installation positioning, installation is adjusted, increases installation accuracy, reduces friction damage when molding test, Save installation production cost.
2, the present invention is framed by the positioning of design, the shape size of punching in the second location hole and punch die that inside opens up Unanimously, the positioning accuracy for increasing pressure head plate, is made reduction quality using aluminium alloy, structure is simple, ensures the light of installation process.
Certainly, it implements any of the products of the present invention and does not necessarily require achieving all the advantages described above at the same time.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, will be described below to embodiment required Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for ability For the those of ordinary skill of domain, without creative efforts, it can also be obtained according to these attached drawings other attached Figure.
Fig. 1 is a kind of structural schematic diagram of the positioning device for accessory die of the present invention;
Fig. 2 is the structural schematic diagram of cope;
Fig. 3 is the structural schematic diagram of upper positioning plate;
Fig. 4 is the structural schematic diagram of lower positioning plate;
Fig. 5 is the framed structural schematic diagram of positioning;
Fig. 6 is the structural schematic diagram of pressure head plate;
In attached drawing, parts list represented by the reference numerals are as follows:
1- cope, 2- positioning component, 3- position framed, 4- pressure head plate, the upper positioning plate of 5-, positioning plate under 6-, 7- cylinder Bolt, 8- nut, 101- pressure head, 102- connecting plate, the first threaded hole of 103-, 104- first positioning hole, 301- second location hole, 302- third pilot hole, 303- positioning ring, the second threaded hole of 401-, the first pilot hole of 501-, the first guide cylinder of 502-, 503- are led Xiang Zhu, 504- extensible member, the second pilot hole of 601-, the second guide cylinder of 602-.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts all other Embodiment shall fall within the protection scope of the present invention.
It please refers to shown in Fig. 1-5, the present invention is a kind of positioning device and localization method for accessory die, including upper mold Case 1, further includes two positioning components 2, and the arrangement of 1 one surface rectangle of cope is fixed with pressure head 101;101 1 surface of pressure head is fixed with Connecting plate 102;The arrangement of 102 1 surface rectangle of connecting plate is provided with the first threaded hole 103;The arrangement of 1 one surface rectangle of cope is provided with First positioning hole 104;102 1 surface of connecting plate has been connected by screw to pressure head plate 4;
Positioning component 2 includes upper positioning plate 5 and lower positioning plate 6;Upper 5 one surface of positioning plate is provided with two first pilot holes 501; Upper 5 one surface of positioning plate is fixed with two first guide cylinders 502;Upper 5 one surface of positioning plate is fixed with two guide posts 503;Upper positioning 5 one surface of plate is fixed with extensible member 504;Upper 5 one surface of positioning plate and 1 one surface engagement of cope;
Lower 6 one surface of positioning plate is provided with two second pilot holes 601;Lower 6 one surface of positioning plate is fixed with two second guide cylinders 602;Lower 6 one surface of positioning plate and another surface engagement of cope 1;Upper positioning plate 5 and lower positioning plate 6 by cylindrical bolt 7 with Cope 1 is fixedly connected;7 one end week of cylindrical bolt, side was threaded with nut 8;
Four sides of guide post 503 weeks are sliding combined with positioning framed 3;It positions framed 3 one surface and is provided with second location hole 301;301 inner wall of second location hole and 4 clearance fit of pressure head plate;It positions framed 3 one surface rectangle arrangement and is provided with third pilot hole 302;It positions framed 3 one surface and is fixed with two positioning rings 303;303 inner wall of positioning ring and 504 one end of extensible member cooperate;Second Location hole 301 is consistent with the shape size of punching in punch die, increases the positioning accuracy of pressure head plate;Framed 3 are positioned using aluminium alloy Reduction quality is made, ensures the light of installation process.
Wherein as shown in fig. 6,4 one surface of pressure head plate is provided with the second threaded hole 401.
Wherein, 302 inner wall of third pilot hole is equipped with sliding sleeve;Sliding sleeve is slidably matched with guide post 503.
Wherein, extensible member 504 includes cylinder, hydraulic cylinder or electric telescopic rod.
Wherein, the first pilot hole 501, the first guide cylinder 502, the second pilot hole 601 and 602 inner wall of the second guide cylinder are all provided with There is anti-wear sleeve.
Wherein, positioning framed 3 material includes aluminium alloy and bakelite;301 inner wall of second location hole is fixed with wear-resistant sleeve.
Wherein, include the following steps:
SS001 installation positioning, takes cope 1 to place smooth, upper positioning plate 5 and lower positioning plate 6 is in place, circle is passed through Upper positioning plate 5 and lower positioning plate 6 are fastened on cope 1 by column bolt 7 and nut 8, and two positioning components 2 are installed;
SS002 installs posting, takes and is mounted in four guide posts 503 under framed 3 horizontality of positioning, makes to position framed 3 slide axially in four guide posts 503 along guide post 503, and 504 end of extensible member and 303 inner wall of positioning ring are cooperated, and stretch 504 end face of part is contacted with 1 surface of cope;
SS003 installation fitting will position framed 3 middle part by extensible member 504 and give rise to 102 upper surface of connecting plate, pressure Head plate 4 is placed on the connecting plate 102 in second location hole 301, is pre-fixed pressure head plate 4 on connecting plate 102 by screw;
SS004 positioning adjustment, extensible member 504 carry out reciprocal telescopic movement, drive positioning framed 3 to move back and forth, 30s is extended back 504 stop motion of contracting part observes 4 weeks sides of 301 inner wall of second location hole and pressure head plate, unworn pressure head plate 4 is tightened;
SS005 polishing amendment, the pressure head plate 4 worn in SS004 is removed, connecting plate 102 of polishing, after the completion of polishing again Pressure head plate 4 is installed, SS004 is repeated;
SS006 installs positioning completely, repeats SS004 and SS005, all pressure head plates 4 are installed in place;
SS007 dismantling positions, and positioning framed 3 is removed under horizontality, removes cylindrical bolt 7 and nut 8, removes positioning Plate 5 and lower positioning plate 6 complete dismantling.
In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means Particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least one implementation of the invention In example or example.In the present specification, schematic expression of the above terms may not refer to the same embodiment or example. Moreover, particular features, structures, materials, or characteristics described can be in any one or more of the embodiments or examples to close Suitable mode combines.
Present invention disclosed above preferred embodiment is only intended to help to illustrate the present invention.There is no detailed for preferred embodiment All details are described, are not limited the invention to the specific embodiments described.Obviously, according to the content of this specification, It can make many modifications and variations.These embodiments are chosen and specifically described to this specification, is in order to better explain the present invention Principle and practical application, so that skilled artisan be enable to better understand and utilize the present invention.The present invention is only It is limited by claims and its full scope and equivalent.

Claims (7)

1. a kind of positioning device for accessory die, including cope (1), it is characterised in that: further include two positioning components (2), (1) one surface rectangle of the cope arrangement is fixed with pressure head (101);(101) one surface of pressure head is fixed with connection Plate (102);(102) one surface rectangle of the connecting plate arrangement is provided with the first threaded hole (103);(1) one surface of cope Rectangular arranged is provided with first positioning hole (104);(102) one surface of connecting plate has been connected by screw to pressure head plate (4);It is described Positioning component (2) includes upper positioning plate (5) and lower positioning plate (6);(5) one surface of upper positioning plate is provided with two first pilot holes (501);(5) one surface of upper positioning plate is fixed with two first guide cylinders (502);(5) one surface of upper positioning plate is fixed There are two guide posts (503);(5) one surface of upper positioning plate is fixed with extensible member (504);(5) one surface of upper positioning plate With (1) one surface engagement of cope;
(6) one surface of lower positioning plate is provided with two second pilot holes (601);(6) one surface of lower positioning plate is fixed with two Second guide cylinder (602);(6) one surface of lower positioning plate and cope (1) another surface engagement;The upper positioning plate (5) It is fixedly connected by cylindrical bolt (7) with cope (1) with lower positioning plate (6);Cylindrical bolt (7) one end week flank threads It is connected with nut (8);
The all sides of four guide posts (503), which are sliding combined with, positions framed (3);Framed (3) one surface of the positioning is provided with the Two location holes (301);Second location hole (301) inner wall and pressure head plate (4) clearance fit;Framed (3) one table of positioning Face rectangular arranged is provided with third pilot hole (302);Framed (3) one surface of positioning is fixed with two positioning rings (303);It is described fixed Position ring (303) inner wall and extensible member (504) one end cooperate.
2. a kind of positioning device for accessory die according to claim 1, which is characterized in that the pressure head plate (4) One surface is provided with several second threaded holes (401).
3. a kind of positioning device for accessory die according to claim 1, which is characterized in that the third pilot hole (302) inner wall is equipped with sliding sleeve;The sliding sleeve is slidably matched with guide post (503).
4. a kind of positioning device for accessory die according to claim 1, which is characterized in that the extensible member It (504) include cylinder, hydraulic cylinder or electric telescopic rod.
5. a kind of positioning device for accessory die according to claim 1, which is characterized in that first pilot hole (501), the first guide cylinder (502), the second pilot hole (601) and the second guide cylinder (602) inner wall are equipped with anti-wear sleeve.
6. a kind of positioning device for accessory die according to claim 1, which is characterized in that the positioning is framed (3) material includes aluminium alloy and bakelite;Second location hole (301) inner wall is fixed with wear-resistant sleeve.
7. -6 any one a kind of localization method for accessory die according to claim 1, which is characterized in that including such as Lower step:
SS001 installation positioning, takes cope (1) to place smooth, upper positioning plate (5) and lower positioning plate (6) is in place, passed through Upper positioning plate (5) and lower positioning plate (6) are fastened on cope (1) by cylindrical bolt (7) and nut (8), two positioning components (2) It is installed;
SS002 installs posting, takes and is mounted on four guide posts (503) under framed (3) horizontality of positioning, makes to position framed (3) it slides axially on four guide posts (503) along guide post (503), it will be in extensible member (504) end and positioning ring (303) Wall cooperation, extensible member (504) end face is contacted with cope (1) surface;
SS003 installation fitting will be positioned by extensible member (504) and give rise to connecting plate (102) upper surface in the middle part of framed (3), taken Pressure head plate (4) is placed on the connecting plate (102) in second location hole (301), is pre-fixed pressure head plate (4) even by screw On fishplate bar (102);
SS004 positioning adjustment, extensible member (504) carry out reciprocal telescopic movement, positioning framed (3) are driven to move back and forth, and 30s is extended back Contracting part (504) stop motion observes second location hole (301) inner wall and all sides of pressure head plate (4), by unworn pressure head plate (4) it tightens;
SS005 polishing amendment, the pressure head plate (4) worn in SS004 is removed, is polished connecting plate (102), after the completion of polishing again It installs pressure head plate (4), repeats SS004;
SS006 installs positioning completely, repeats SS004 and SS005, all pressure head plates (4) are installed in place;
SS007 dismantling positions, and removes under horizontality and positions framed (3), removes cylindrical bolt (7) and nut (8), it is fixed to remove Position plate (5) and lower positioning plate (6) complete dismantling.
CN201810778955.8A 2018-07-16 2018-07-16 Positioning device and positioning method for accessory mold Active CN109092987B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810778955.8A CN109092987B (en) 2018-07-16 2018-07-16 Positioning device and positioning method for accessory mold

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810778955.8A CN109092987B (en) 2018-07-16 2018-07-16 Positioning device and positioning method for accessory mold

Publications (2)

Publication Number Publication Date
CN109092987A true CN109092987A (en) 2018-12-28
CN109092987B CN109092987B (en) 2020-03-06

Family

ID=64846324

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810778955.8A Active CN109092987B (en) 2018-07-16 2018-07-16 Positioning device and positioning method for accessory mold

Country Status (1)

Country Link
CN (1) CN109092987B (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101357494A (en) * 2007-08-03 2009-02-04 深圳富泰宏精密工业有限公司 Parts imbedding device
WO2013101340A1 (en) * 2011-12-29 2013-07-04 Standard Lifters, Inc. Modular pilot assembly with self-contained stripper and method for metal forming dies
EP2353747B1 (en) * 2010-02-05 2015-03-25 Dadco, Inc. Guide and retention assembly for a die set
CN106334930A (en) * 2016-11-30 2017-01-18 常州星宇车灯股份有限公司 The auxiliary fixture positioning and anti-falling device
CN107116149A (en) * 2017-05-25 2017-09-01 首华机电(上海)有限公司 Bellmouth system for silencer
CN206561059U (en) * 2016-12-27 2017-10-17 南京思创精密模具有限公司 A kind of punching die
CN107671478A (en) * 2017-11-06 2018-02-09 常州瑞华新能源科技有限公司 A kind of mould structure for being easy to assemble electrode

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101357494A (en) * 2007-08-03 2009-02-04 深圳富泰宏精密工业有限公司 Parts imbedding device
EP2353747B1 (en) * 2010-02-05 2015-03-25 Dadco, Inc. Guide and retention assembly for a die set
WO2013101340A1 (en) * 2011-12-29 2013-07-04 Standard Lifters, Inc. Modular pilot assembly with self-contained stripper and method for metal forming dies
CN106334930A (en) * 2016-11-30 2017-01-18 常州星宇车灯股份有限公司 The auxiliary fixture positioning and anti-falling device
CN206561059U (en) * 2016-12-27 2017-10-17 南京思创精密模具有限公司 A kind of punching die
CN107116149A (en) * 2017-05-25 2017-09-01 首华机电(上海)有限公司 Bellmouth system for silencer
CN107671478A (en) * 2017-11-06 2018-02-09 常州瑞华新能源科技有限公司 A kind of mould structure for being easy to assemble electrode

Also Published As

Publication number Publication date
CN109092987B (en) 2020-03-06

Similar Documents

Publication Publication Date Title
CN104175149B (en) A kind of axis products clamping device and clamping method
CN102837200B (en) Automatic turning device based on workpiece positioning
CN107081441A (en) A kind of sleeve type work piece inner surface centering and clamping apparatus
CN103170568A (en) Forging die holder kit
CN207593331U (en) A kind of Precision Machining automobile engine cylinder-body tooling of environment-friendly type
CN205254636U (en) Cutter mounting structure of numerical control device
CN109092987A (en) A kind of positioning device and localization method for accessory die
CN205817968U (en) A kind of equipment for filter core cutting
CN109261842B (en) One kind using stamping equipment for C-shaped sealing ring production
CN206806712U (en) A kind of PCB and drain pan assembling device
CN202701736U (en) A press fitting machine
CN202621670U (en) Device for processing inner hole expanded convex ring of metal thin wall pipe fitting
CN219520138U (en) Rotor shell press
CN105478817A (en) Tool bit mechanism of numerical control equipment
CN204566540U (en) A kind of box body foaming mould with fine tuning structure
CN220049643U (en) Gasket blanking equipment
CN109108692A (en) The large-scale general auxiliary machining device of cylinder body
CN202212768U (en) Hydraulic locking device for center frame and body of machine tool
CN211466064U (en) Reverse pneumatic clamping jaw device for locking workpiece
CN102412068B (en) Capacitor shell groove pressing machine
CN204148663U (en) Thin-walled gear ring class part mill internal tooth end face hold down gag
CN103736802A (en) Thin wall cylinder sleeve rotary extrusion edge turning clamp
CN213411495U (en) Efficient grinding tool for piston ring machining
CN205112484U (en) A screw locking device for locking of tablet press pressure
CN107398551B (en) Casting machine with improved structure

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
TR01 Transfer of patent right

Effective date of registration: 20220803

Address after: Room 2202, 22 / F, Wantong building, No. 3002, Sungang East Road, Sungang street, Luohu District, Shenzhen City, Guangdong Province

Patentee after: Shenzhen dragon totem technology achievement transformation Co.,Ltd.

Address before: 325000 Wenzhou City National University Science Park incubator, No. 38 Dongfang South Road, Ouhai District, Wenzhou, Zhejiang

Patentee before: WENZHOU VOCATIONAL & TECHNICAL College

TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20220923

Address after: No. 296, Jingxing Road, Nantong Development Zone, Nantong City, Jiangsu Province, 226000

Patentee after: Nantong Borui Precision Rubber & Plastic Technology Co.,Ltd.

Address before: Room 2202, 22 / F, Wantong building, No. 3002, Sungang East Road, Sungang street, Luohu District, Shenzhen City, Guangdong Province

Patentee before: Shenzhen dragon totem technology achievement transformation Co.,Ltd.

TR01 Transfer of patent right