CN108441931B - Clamping device for electroplating pipe fitting - Google Patents
Clamping device for electroplating pipe fitting Download PDFInfo
- Publication number
- CN108441931B CN108441931B CN201810415079.2A CN201810415079A CN108441931B CN 108441931 B CN108441931 B CN 108441931B CN 201810415079 A CN201810415079 A CN 201810415079A CN 108441931 B CN108441931 B CN 108441931B
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- clamping
- pipe fitting
- fixed mounting
- clamping device
- frame
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- 238000009713 electroplating Methods 0.000 title claims abstract description 19
- 238000000034 method Methods 0.000 claims description 9
- 230000008569 process Effects 0.000 claims description 6
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 3
- 230000006978 adaptation Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000010030 laminating Methods 0.000 description 7
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 230000003139 buffering effect Effects 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000005868 electrolysis reaction Methods 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000003796 beauty Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D17/00—Constructional parts, or assemblies thereof, of cells for electrolytic coating
- C25D17/06—Suspending or supporting devices for articles to be coated
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D7/00—Electroplating characterised by the article coated
- C25D7/04—Tubes; Rings; Hollow bodies
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Electroplating Methods And Accessories (AREA)
- Clamps And Clips (AREA)
Abstract
The invention provides a clamping device for electroplating processing of a pipe fitting, and relates to the technical field of electroplating processing equipment. The clamping device for electroplating of the pipe fitting comprises a clamping frame, wherein the left side and the right side of the inner wall of the clamping frame are fixedly connected through a fixing plate, a moving block is arranged inside the clamping frame, a clamping head is fixedly mounted on the left side of the moving block through a supporting rod, and moving rods are fixedly mounted at the top and the bottom of the moving block. This a clamping device for pipe fitting electroplate processing, make clamping device's structural strength higher, can improve the stability of centre gripping, can rotate through positioning bolt, realize the location of concrete position, when meetting the pipe fitting that the diameter is less relatively promptly, the accessible rotates the locating piece with its spacing back, the positioning bolt screws, thereby realize the pipe fitting centre gripping of different diameters, the setting of slipmat can improve the frictional force with the pipe fitting, make the centre gripping more stable, thereby improve the production efficiency of electroplate processing.
Description
Technical Field
The invention relates to the technical field of electroplating processing equipment, in particular to a clamping device for electroplating processing of a pipe fitting.
Background
Electroplating is a process of plating a thin layer of other metals or alloys on the surface of some metals by using the principle of electrolysis, and is a process of attaching a layer of metal film on the surface of a metal or other material product by using the action of electrolysis so as to prevent the oxidation (such as corrosion) of the metal, improve the wear resistance, the conductivity, the light reflection property, the corrosion resistance, the beauty and the like.
For example, the Chinese patent discloses a fixing clamp for electroplating processing (patent number: CN 206599620U), which comprises a fixing clamp for electroplating processing, the labor intensity of workers is reduced and the clamping effect is increased through the arrangement of a thread adjusting rod, the fixing clamp can clamp different workpieces such as tubular workpieces, circuit boards and the like through the arrangement of a first fixing plate and a second fixing plate, the practicability of the fixing clamp is improved, but when the workpieces are clamped, the workers rotate forcibly, the clamp is easy to shake, the workers cannot stably clamp, the working efficiency is low, and the processing quality is low.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a clamping device for electroplating processing of a pipe fitting, which solves the problem that the clamping device for electroplating processing of the pipe fitting is unstable and easy to shake.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a clamping device for pipe fitting electroplates processing, includes the holding frame, fixed plate fixed connection is passed through on the left side and the right side of holding frame inner wall, the inside of holding frame is provided with the movable block, bracing piece fixed mounting is passed through in the left side of movable block has the clamping head, the equal fixed mounting in top and the bottom of movable block has the carriage release lever, one side that the movable block was kept away from to the carriage release lever has the gyro wheel through pivot swing joint, the spout has been seted up to one side of fixed plate, gyro wheel and spout sliding connection.
The clamping device comprises a clamping frame and is characterized in that a fixed block is fixedly mounted on the left side of the inner wall of the clamping frame, a clamping seat is fixedly mounted on the front side of the fixed block through a flange, a fastening frame is fixedly mounted on the front side of the clamping seat through a tightening bolt, arc-shaped clamping blocks are fixedly mounted on the upper side and the lower side of the clamping seat, positioning blocks are fixedly mounted on the front side of the arc-shaped clamping blocks through positioning bolts, one side, away from the clamping seat, of each arc-shaped clamping block is connected with an extension block through a rotating shaft in a movable mode.
Preferably, the left side and the right side of the bottom of the clamping frame are fixedly provided with supporting columns, and the front of the clamping frame is provided with through holes matched with the pipe fittings.
Preferably, the front surface of the clamping frame is fixedly provided with a motor, the output end of the motor is fixedly provided with a threaded rod through a coupling, and the surface of the threaded rod is movably sleeved with a sleeve.
Preferably, one side of the moving block penetrates through the clamping frame and extends to the front face of the clamping frame, a connecting groove matched with the moving block is formed in the front face of the clamping frame, and the bottom of the sleeve is fixedly connected with one end, located on the outer side of the clamping frame, of the moving block through a fixing rod.
Preferably, a first electromagnet is fixedly installed on one side of the extension block, and second electromagnets are fixedly installed on the upper side and the lower side of the support rod.
Preferably, the left side fixed mounting of carriage release lever has the stopper, the left side fixed mounting of holding frame inner wall has the telescopic link, the right side fixed mounting of telescopic link has spacing spring, the left end of spacing spring and the left side fixed connection of holding frame inner wall.
(III) advantageous effects
The invention provides a clamping device for electroplating processing of a pipe fitting. The method has the following beneficial effects:
1. this a clamping device for pipe fitting electroplates processing, set up the fastening frame, make clamping device's structural strength higher, can improve the stability of centre gripping, set up the locating piece, can rotate through positioning bolt, realize the location of concrete position, when meetting the pipe fitting that the diameter is less relatively promptly, the accessible rotates the locating piece with its spacing back, the positioning bolt screws, thereby realize the pipe fitting centre gripping of different diameters, the setting of slipmat can improve the frictional force with the pipe fitting, make the centre gripping more stable, thereby improve electroplate processing's production efficiency.
2. This a clamping device for pipe fitting electroplate processing, set up and extend the piece, it can rotate through the pivot to extend the piece, make first electro-magnet move thereupon, the position that sets up first electro-magnet is higher than the second electro-magnet slightly, make laminating about can realizing when rotating relevant position, let in first electro-magnet and second electro-magnet circuit simultaneously, make both can form closed circuit and realize the electricity and close when the laminating, avoid the pipe fitting atress too big and appear shaking the phenomenon in the course of working, the setting of spacing spring and stopper, can carry out certain buffering to the position of centre gripping head, avoid damaging the surface of pipe fitting because the centre gripping is too tight, set up the through-hole, make the pipe fitting can pass from through-hole, realize the centre gripping under centre gripping frame inner structure's relation of connection.
Drawings
FIG. 1 is a front cross-sectional view of a holder configuration of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a schematic view of a clamping seat structure according to the present invention.
In the figure: the clamping device comprises a clamping frame 1, a fixing plate 2, a moving block 3, a supporting rod 4, a clamping head 5, a moving rod 6, a roller 7, a sliding groove 8, a fixing block 9, a clamping seat 10, a tightening bolt 11, a fastening frame 12, an arc-shaped clamping block 13, a positioning block 14, an extension block 15, an anti-slip pad 16, a support column 17, a through hole 18, a motor 19, a threaded rod 20, a sleeve 21, a first electromagnet 22, a limiting block 23, a telescopic rod 24, a limiting spring 25 and a second electromagnet 26.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The embodiment of the invention provides a clamping device for electroplating processing of pipe fittings, which comprises a clamping frame 1, wherein support columns 17 are fixedly arranged on the left side and the right side of the bottom of the clamping frame 1, through holes 18 matched with the pipe fittings are formed in the front surface of the clamping frame 1, the through holes 18 are formed, the pipe fittings can penetrate through the through holes 18, clamping is realized under the connection relation of the internal structure of the clamping frame 1, the left side and the right side of the inner wall of the clamping frame 1 are fixedly connected through a fixing plate 2, a motor 19 is fixedly arranged on the front surface of the clamping frame 1, a threaded rod 20 is fixedly arranged at the output end of the motor 19 through a coupling, a sleeve 21 is movably sleeved on the surface of the threaded rod 20, the threaded rod 20 is driven to rotate by the motor 19, the sleeve 21 can move in the left-right direction, and the movable block 3 can be driven to move left and right and drive a clamping head, thereby completing the clamping operation of the pipe fittings, a moving block 3 is arranged inside the clamping frame 1, one side of the moving block 3 penetrates through the clamping frame 1 and extends to the front of the clamping frame 1, the front of the clamping frame 1 is provided with a connecting groove matched with the moving block 3, the bottom of the sleeve 21 is fixedly connected with one end of the moving block 3 positioned at the outer side of the clamping frame 1 through a fixing rod, the left side of the moving block 3 is fixedly provided with a clamping head 5 through a supporting rod 4, the top and the bottom of the moving block 3 are both fixedly provided with a moving rod 6, the left side of the moving rod 6 is fixedly provided with a limiting block 23, the left side of the inner wall of the clamping frame 1 is fixedly provided with a telescopic rod 24, the telescopic rod 24 consists of a sleeve and a sliding rod, the diameter of the sleeve is larger than that of the sliding rod, so that the sliding rod can slide in, the setting of spacing spring 25 and stopper 23 can carry out certain buffering to the position of centre gripping head 23, avoids because the surface of the too tight damage pipe fitting of centre gripping, and there is gyro wheel 7 one side of movable block 3 is kept away from to carriage release lever 6 through pivot swing joint, and spout 8 has been seted up to one side of fixed plate 2, gyro wheel 7 and spout 8 sliding connection.
The left side of the inner wall of the clamping frame 1 is fixedly provided with a fixed block 9, the front of the fixed block 9 is fixedly provided with a clamping seat 10 through a flange, the front of the clamping seat 10 is fixedly provided with a fastening frame 12 through a tightening bolt 11, the fastening frame 12 is arranged, the structural strength of the clamping device is higher, the clamping stability can be improved, the upper side and the lower side of the clamping seat 10 are both fixedly provided with arc-shaped clamping blocks 13, the front of each arc-shaped clamping block 13 is fixedly provided with a positioning block 14 through a positioning bolt, the positioning block 14 can rotate through the positioning bolt, the specific position is positioned, namely when a pipe fitting with a relatively small diameter is encountered, the positioning block 14 can be rotated to limit the pipe fitting, the positioning bolt is screwed, so that the pipe fittings with different pipe diameters are clamped, one side of each arc-shaped clamping block 13, which is far away from the clamping seat, the equal fixed mounting in upper and lower both sides of bracing piece 4 has second electro-magnet 26, it can rotate through the pivot to extend piece 15, make first electro-magnet 22 move along with it, the position that sets up first electro-magnet 22 is higher than second electro-magnet 26 slightly, make laminating about can realizing when rotating relevant position, let in the circuit with first electro-magnet 22 and second electro-magnet 26 simultaneously, make both can form closed circuit and realize the electricity and close when the laminating, avoid the pipe fitting atress too big and the phenomenon of waveing to appear in the course of working, the internal surface of arc grip block 13 is provided with one deck slipmat 16, slipmat 16's setting can improve the frictional force with the pipe fitting, make the centre gripping more stable.
The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.
The working principle is as follows: during the use, pass the pipe fitting from through-hole 18, open motor 19, motor 19 rotates back drive threaded rod 20 and rotates, make sleeve 21 move left simultaneously, because sleeve 21 and the indirect fixed connection of movable block 3, can drive movable block 3 and remove and drive clamping head 5 and remove to the left side, according to the diameter of pipe fitting, through rotating locating piece 14 with its spacing and the positioning bolt of screwing of locating piece, make clamping head 5 and grip slipper 10 realize the centre gripping to the pipe fitting, rotate extension piece 15 simultaneously, drive first electro-magnet 22 and rotate to with second electro-magnet 26 laminating position from top to bottom, form closed circuit, improve the stability of centre gripping.
To sum up, this a clamping device for pipe fitting electroplate process sets up fastening frame 12 for clamping device's structural strength is higher, can improve the stability of centre gripping, sets up locating piece 14, can rotate through positioning bolt, realizes the location of specific position, when meetting the pipe fitting that the diameter is less relatively promptly, the accessible rotates locating piece 14 with its spacing back, screws positioning bolt, thereby realizes the pipe fitting centre gripping of different diameters, and the setting of slipmat 16 can improve the frictional force with the pipe fitting, makes the centre gripping more stable.
And, set up extension piece 15, extension piece 15 can rotate through the pivot, make first electro-magnet 22 move along with it, the position that sets up first electro-magnet 22 is slightly higher than second electro-magnet 26, make can realize laminating from top to bottom when rotating corresponding position, let in first electro-magnet 22 and second electro-magnet 26 the circuit simultaneously, make both can form closed circuit and realize the electricity and close when laminating, avoid the pipe fitting atress too big in the course of working and appear shaking the phenomenon, spacing spring 25 and stopper 23's setting, can carry out certain buffering to the position of centre gripping head 23, avoid damaging the surface of pipe fitting because the centre gripping is too tight, set up through-hole 18, make the pipe fitting can pass from through-hole 18, realize the centre gripping under the relation of connection of clamping frame 1 inner structure.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a clamping device for pipe fitting electroplate process, includes holding frame (1), its characterized in that: the clamping device comprises a clamping frame (1), a movable block (3) is arranged inside the clamping frame (1), a clamping head (5) is fixedly arranged on the left side of the movable block (3) through a supporting rod (4), movable rods (6) are fixedly arranged at the top and the bottom of the movable block (3), one side, away from the movable block (3), of each movable rod (6) is movably connected with a roller (7) through a rotating shaft, a sliding groove (8) is formed in one side of the fixing plate (2), and the rollers (7) are in sliding connection with the sliding groove (8);
the utility model discloses a clamping structure, including clamping frame (1), clamping frame (10), fastening bolt (11), arc grip slipper (13), clamping frame (1) inner wall, fixed block (9) left side fixed mounting has fixed block (9), there are grip slipper (10) in the front of fixed block (9) through flange fixed mounting, there are fastening frame (12) in the front of grip slipper (10) through cramping bolt (11), the equal fixed mounting in upper and lower both sides of grip slipper (10) has arc grip slipper (13), there is locating piece (14) in the front of arc grip slipper (13) through positioning bolt fixed mounting, there is extension piece (15) one side of grip slipper (10) is kept away from in arc grip slipper (13) through pivot swing joint, the internal surface of arc grip.
2. The clamping device for electroplating processing of the pipe fitting according to claim 1, wherein: the left and right sides of clamping frame (1) bottom all fixed mounting have support column (17), through-hole (18) with pipe fitting looks adaptation are seted up in the front of clamping frame (1).
3. The clamping device for electroplating processing of the pipe fitting according to claim 1, wherein: the front fixed mounting of holding frame (1) has motor (19), the output of motor (19) passes through shaft coupling fixed mounting has threaded rod (20), sleeve (21) have been cup jointed in the surface activity of threaded rod (20).
4. A clamping device for use in connection with the electro-plating of tubulars according to claim 3, characterised in that: one side of the moving block (3) penetrates through the clamping frame (1) and extends to the front face of the clamping frame (1), a connecting groove matched with the moving block (3) is formed in the front face of the clamping frame (1), and the bottom of the sleeve (21) is fixedly connected with one end, located on the outer side of the clamping frame (1), of the moving block (3) through a fixing rod.
5. The clamping device for electroplating processing of the pipe fitting according to claim 1, wherein: one side fixed mounting of extension piece (15) has first electro-magnet (22), the equal fixed mounting in upper and lower both sides of bracing piece (4) has second electro-magnet (26).
6. The clamping device for electroplating processing of the pipe fitting according to claim 1, wherein: the left side fixed mounting of carriage release lever (6) has stopper (23), the left side fixed mounting of holding frame (1) inner wall has telescopic link (24), the right side fixed mounting of telescopic link (24) has spacing spring (25), the left end of spacing spring (25) and the left side fixed connection of holding frame (1) inner wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810415079.2A CN108441931B (en) | 2018-05-03 | 2018-05-03 | Clamping device for electroplating pipe fitting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810415079.2A CN108441931B (en) | 2018-05-03 | 2018-05-03 | Clamping device for electroplating pipe fitting |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108441931A CN108441931A (en) | 2018-08-24 |
| CN108441931B true CN108441931B (en) | 2020-05-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810415079.2A Expired - Fee Related CN108441931B (en) | 2018-05-03 | 2018-05-03 | Clamping device for electroplating pipe fitting |
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| Country | Link |
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| CN (1) | CN108441931B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110453258B (en) * | 2019-06-13 | 2021-10-26 | 佛山市顺德区巴田塑料实业有限公司 | Method for producing electroplated lamp cap |
| CN113026082A (en) * | 2021-03-05 | 2021-06-25 | 张生进 | Electroplating fixing device for machining pipe fitting |
| CN114150361B (en) * | 2021-11-30 | 2023-06-20 | 江苏柏斯克石油机械有限公司 | Electroplating device for petroleum pipeline anti-corrosion treatment and treatment method thereof |
| CN114351215B (en) * | 2022-01-29 | 2023-06-30 | 南通普菲特涂装有限公司 | Even electrophoresis application anchor clamps of coating |
| CN114714530B (en) * | 2022-04-27 | 2024-06-18 | 南通伟腾半导体科技有限公司 | High-precision wafer cutting blade and blade electroforming device thereof |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FI114811B (en) * | 2002-02-08 | 2004-12-31 | Stratum Oy | A coating method and a coating device |
| KR101261442B1 (en) * | 2010-12-09 | 2013-05-10 | 주식회사 티앤디코리아 | Jig for plating of pipe and crain control methode using same |
| CN102909287B (en) * | 2011-12-30 | 2015-07-22 | 郴州智造科技有限公司 | Pipe fitting clamping mechanism |
| CN203333797U (en) * | 2013-05-23 | 2013-12-11 | 天津市大港镀锌厂 | Electroplating hanger of tubular piece |
| CN203960373U (en) * | 2014-06-24 | 2014-11-26 | 北京北机机电工业有限责任公司 | Hanger and holding firmware thereof for pipe fitting anodizing |
| CN105363948A (en) * | 2015-12-14 | 2016-03-02 | 重庆志成机械有限公司 | Pipe clamping mechanism |
| CN205201171U (en) * | 2015-12-14 | 2016-05-04 | 重庆志成机械有限公司 | Pipe fitting fixture with adjustable |
| CN205819278U (en) * | 2016-06-06 | 2016-12-21 | 成都大漠石油技术有限公司 | Various sizes of pipeline conveying device can be clamped |
| CN206599620U (en) * | 2017-03-08 | 2017-10-31 | 深圳市启沛实业有限公司 | A kind of stationary fixture for being used to electroplate processing |
| CN207139311U (en) * | 2017-06-30 | 2018-03-27 | 天津市昊航复合管业有限公司 | A kind of steel pipe cutting and positioning device |
| CN107354501B (en) * | 2017-07-08 | 2019-05-21 | 广东三扬机器人有限公司 | Adjustable folder bucket manipulator in a kind of electroplating device |
| CN107299384A (en) * | 2017-07-14 | 2017-10-27 | 苏州市金翔钛设备有限公司 | Tubular workpiece Electropolating hangers |
| CN107217294A (en) * | 2017-07-14 | 2017-09-29 | 苏州市金翔钛设备有限公司 | Electropolating hangers for tubular workpiece |
| CN107932116A (en) * | 2017-12-11 | 2018-04-20 | 河南高盛企业管理咨询有限公司 | It is a kind of that processing platform is fixed based on the tubing gripped |
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2018
- 2018-05-03 CN CN201810415079.2A patent/CN108441931B/en not_active Expired - Fee Related
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| CN108441931A (en) | 2018-08-24 |
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Effective date of registration: 20200410 Address after: 529249 Najinwei, Sanhe Town, Taishan City, Jiangmen City, Guangdong Province Applicant after: TAISHAN YONGFA HARDWARE PRODUCT Co.,Ltd. Address before: 235000 Anhui Province Economic Development Zone Huaibei City Duji District Tengfei Road No. 7 Applicant before: Yu Fazhou |
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