CN113463153B - Surface electroplating process - Google Patents
Surface electroplating process Download PDFInfo
- Publication number
- CN113463153B CN113463153B CN202110748653.8A CN202110748653A CN113463153B CN 113463153 B CN113463153 B CN 113463153B CN 202110748653 A CN202110748653 A CN 202110748653A CN 113463153 B CN113463153 B CN 113463153B
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- Prior art keywords
- electroplating
- rotating
- pipe
- control frame
- plated
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- 238000009713 electroplating Methods 0.000 title claims abstract description 77
- 238000000034 method Methods 0.000 title claims abstract description 14
- 230000007246 mechanism Effects 0.000 claims abstract description 75
- 230000000903 blocking effect Effects 0.000 claims abstract description 5
- 238000001035 drying Methods 0.000 claims abstract description 4
- 238000005554 pickling Methods 0.000 claims abstract description 4
- 238000005406 washing Methods 0.000 claims abstract description 4
- 238000007747 plating Methods 0.000 claims description 13
- 230000005540 biological transmission Effects 0.000 description 6
- 239000007788 liquid Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 150000002739 metals Chemical class 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000002310 reflectometry 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
- C25D7/00—Electroplating characterised by the article coated
- C25D7/04—Tubes; Rings; Hollow bodies
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D21/00—Processes for servicing or operating cells for electrolytic coating
- C25D21/10—Agitating of electrolytes; Moving of racks
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
- C25D5/02—Electroplating of selected surface areas
Abstract
The invention relates to the field of electroplating, in particular to a surface electroplating process, which comprises the following steps of: A. pickling the pipe to be plated, and then washing and drying the pipe; B. mounting a pipe to be plated on a surface electroplating device; C. electroplating the surface of the pipe to be plated by using a surface electroplating device; D. and taking down after the electroplating is completed. The surface electroplating device comprises an electroplating box, a control frame and a fixing mechanism for blocking and fixing two ends of a pipe to be plated, wherein the electroplating box is connected with the control frame for controlling the fixing mechanism to move into the electroplating box, and the control frame is connected with the fixing mechanism; the fixing mechanism comprises a conical seat, two adjusting screws and a clamping mechanism, the clamping mechanism is connected to the control frame, the two adjusting screws are arranged and are connected to the two sides of the clamping mechanism in opposite threads, and the conical seat is connected to the two adjusting screws in a rotating mode.
Description
Technical Field
The invention relates to the field of electroplating, in particular to a surface electroplating process.
Background
Electroplating is a process of plating a thin layer of other metals or alloys on the surface of certain metals by utilizing the electrolysis principle, thereby playing roles of preventing the metals from oxidizing, improving the wear resistance, the conductivity, the reflectivity, the corrosion resistance, the beautiful appearance and the like.
In actual production, a plurality of tubular parts are used, and some of the tubular parts only need to be electroplated on the outer surface of the tubular parts, and the inner surface of the tubular parts does not need to be electroplated, so that the electroplating cost is reduced.
Disclosure of Invention
The object of the present invention is to provide a surface plating process capable of plating only the outer surface of a tubular part.
The aim of the invention is achieved by the following technical scheme:
a surface plating process comprising the steps of:
A. pickling the pipe to be plated, and then washing and drying the pipe;
B. mounting a pipe to be plated on a surface electroplating device;
C. electroplating the surface of the pipe to be plated by using a surface electroplating device;
D. and taking down after the electroplating is completed.
The surface electroplating device comprises an electroplating box, a control frame and a fixing mechanism for blocking and fixing two ends of a pipe to be plated, wherein the electroplating box is connected with the control frame for controlling the fixing mechanism to move into the electroplating box, and the control frame is connected with the fixing mechanism.
The fixing mechanism comprises a conical seat, two adjusting screws and a clamping mechanism, the clamping mechanism is connected to the control frame, the two adjusting screws are arranged and are connected to the two sides of the clamping mechanism in opposite threads, and the conical seat is connected to the two adjusting screws in a rotating mode.
The conical surface of the conical seat is provided with a rubber layer.
The conical seat is matched and slidably connected with an outer sliding sleeve, and the outer sliding sleeve is fixedly connected with the rubber layer.
The side, far away from the tip end of the conical seat, of the outer sliding sleeve is fixedly connected with a connecting plate, the connecting plate is rotationally connected with a nut, and the nut is in threaded connection with an adjusting screw.
The tip of the conical seat is provided with a pointed end.
The clamping mechanism comprises rotating frames, linkage plates, linkage seats and telescopic mechanisms, wherein two linkage seats are arranged, adjusting screws are respectively connected to the two linkage seats in a threaded mode, one rotating frame is connected between the two linkage seats and the control frame in a rotating mode, one linkage plate is respectively connected to the two rotating frames in a rotating mode, and the two linkage plates are respectively connected with the telescopic mechanisms in a rotating mode and are connected to the control frame in a sliding mode.
The number of the rotating frames is four, and two rotating frames are rotatably connected between each linkage seat and the control frame.
The control frame comprises a rotating mechanism, a plurality of driving belts and mounting rod frames, wherein the driving belts are fixedly connected to the two ends of each mounting rod frame respectively, the two driving belts are wound on the rotating mechanism through the mounting rod frames, the rotating mechanism is connected to the electroplating tank, and the mounting rod frames are connected with a fixing mechanism.
The invention has the beneficial effects that: the invention provides a surface plating process capable of plating only the outer surface of a tubular part.
Drawings
FIG. 1 is a flow chart of the invention for electroplating the outer surface of a pipe to be plated;
FIG. 2 is a schematic illustration of an embodiment of the invention for electroplating an outer surface of a pipe to be plated;
FIG. 3 is a schematic view of an embodiment of the control rack of the present invention with the mounting bar rack rotated;
FIG. 4 is a schematic view of the structure of the plating tank of the present invention;
FIG. 5 is a schematic view of the belt and mounting bar of the present invention;
FIG. 6 is a schematic view of the structure of the rotating wheel of the present invention;
FIG. 7 is a schematic view of the structure of the fixing mechanism of the present invention;
FIG. 8 is a schematic view of the construction of the mounting bar frame of the present invention;
FIG. 9 is a schematic view of the clamping mechanism of the present invention;
FIG. 10 is a schematic cross-sectional view of a conical seat of the present invention;
FIG. 11 is a schematic view of the configuration of the conical seat of the present invention;
fig. 12 is a schematic structural view of an outer sleeve of the present invention.
In the figure:
a plating tank 101; a long hole 102;
a rotation shaft 201; a rotating wheel 202; a groove 203; a belt 204; a mounting bar frame 205;
a mounting bar 205a; a side seat 205b; a middle seat 205c;
a lifting frame 206; a lifting adjusting screw 207;
a horizontal seat 301; a spool 302; a spring 303; a turret 304; a linkage plate 305; a linkage seat 306;
a conical seat 401; a rubber layer 402; an adjusting screw 403; a tip 404; an outer sleeve 405; a connection plate 406; a nut 407.
Detailed Description
Specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings, but the present invention is not limited to these specific embodiments.
Referring to fig. 1, a flow of electroplating the outer surface of a pipe to be plated will be described;
a surface plating process comprising the steps of:
A. pickling the pipe to be plated, and then washing and drying the pipe;
B. mounting a pipe to be plated on a surface electroplating device;
C. electroplating the surface of the pipe to be plated by using a surface electroplating device;
D. and taking down after the electroplating is completed.
Referring to FIG. 2, an embodiment of electroplating the outer surface of a pipe to be plated is described;
the surface electroplating device comprises an electroplating tank 101, a control frame and a fixing mechanism for blocking and fixing two ends of a pipe to be plated, wherein the electroplating tank 101 is connected with the control frame for controlling the fixing mechanism to move into the electroplating tank 101, and the control frame is connected with the fixing mechanism.
When the outer surface of the pipe to be plated is plated, the pipe to be plated is in a form of blocking at two ends, the pipe to be plated is fixedly connected to the fixing mechanism, the fixing mechanism is driven to move through the control frame, namely, the pipe to be plated is driven to move until the pipe to be plated moves into the electroplating solution in the electroplating tank 101, and as the two ends of the pipe to be plated are blocked, the electroplating solution only contacts with the outer surface of the pipe to be plated, only the outer surface of the pipe to be plated is formed, after the electroplating is finished, the fixing mechanism is driven to move through the control frame, namely, the pipe after the electroplating is driven to move out of the electroplating solution, and then the electroplating pipe is taken down.
An embodiment of the securing mechanism is described with reference to fig. 7, 9-12;
the fixing mechanism comprises a conical seat 401, adjusting screws 403 and a clamping mechanism, the clamping mechanism is connected to the control frame, two adjusting screws 403 are arranged on the control frame, the two adjusting screws 403 are connected to two sides of the clamping mechanism in opposite threads, and the conical seat 401 is connected to the two adjusting screws 403 in a rotating mode.
When the pipe to be plated is fixed, two conical seats 401 are respectively propped against two ends of the pipe to be plated through the clamping mechanism, two ends of the pipe to be plated can be blocked through the conical seats 401, and meanwhile, the pipe clamp to be plated can be fixed between the two conical seats 401, the device is adapted to the pipe to be plated with different pipe diameters, the adjusting screw 403 is rotated through the arrangement of the adjusting screw 403, the position of the adjusting screw 403 on the clamping mechanism can be changed, the distance between the two conical seats 401 is changed, and the device can be adapted to the pipe to be plated with different lengths.
Further, the tapered surface of the tapered seat 401 is provided with a rubber layer 402.
Through the arrangement of the rubber layer 402, when the conical seat 401 is propped against the end of the pipe to be plated, the end of the pipe to be plated can be better plugged through the deformation of the rubber layer 402.
Further, the conical seat 401 is slidably connected with an outer sliding sleeve 405, and the outer sliding sleeve 405 is fixedly connected with the rubber layer 402.
Through the setting of outer sliding sleeve 405, when the end of the pipe that will plate is tightly pushed up through rubber layer 402 at the toper seat 401, can promote outer sliding sleeve 405 to the pipe direction that will plate, drive the rubber layer 402 that is not tightly pushed up by the pipe that will plate then and break away from toper seat 401, closely laminate with the end face of the pipe that will plate, form the sealed protection of the end face of the pipe that will plate.
Further, a connecting plate 406 is fixedly connected to the tip side of the outer sliding sleeve 405 away from the conical seat 401, a nut 407 is rotatably connected to the connecting plate 406, and the nut 407 is in threaded connection with the adjusting screw 403.
Through the setting of connecting plate 406 and nut 407, can pass through the rotation nut 407, through the threaded connection of nut 407 and adjusting screw 403, nut 407 passes through connecting plate 406 and drives outer sliding sleeve 405 and slide on the toper seat 401, drives the conical surface of rubber layer 402 and toper seat 401 and breaks away from to can keep this state, thereby when the electroplating of the end face of need keeping apart the pipe that waits to plate, need not to adjust outer sliding sleeve 405 when the installation wait to plate the pipe each time.
Referring to fig. 11, an embodiment of a conical seat 401 is illustrated;
the tip of the conical seat 401 is provided with a pointed tip 404.
The tips 404 of the conical seats 401 are arranged, so that the tips 404 of the two conical seats 401 can tightly press against the center holes machined at the two ends of the shaft, and the device can plate the outer surface of the shaft.
An embodiment of the clamping mechanism is described with reference to fig. 9;
the clamping mechanism comprises rotating frames 304, linkage plates 305, linkage seats 306 and telescopic mechanisms, wherein two linkage seats 306 are arranged, adjusting screws 403 are respectively connected to the two linkage seats 306 in a threaded mode, one rotating frame 304 is respectively connected between the two linkage seats 306 and the control frame in a rotating mode, one linkage plate 305 is respectively connected to the two rotating frames 304 in a rotating mode, the two linkage plates 305 are respectively connected with the telescopic mechanisms in a rotating mode, and the telescopic mechanisms are connected to the control frame in a sliding mode.
When the pipe to be plated is clamped, the two linkage plates 305 are linked through the telescopic mechanism, and then the two linkage seats 306 are driven to be close to or far away from each other through the two rotating frames 304, so that the two conical seats 401 are formed to be close to or far away from each other, and then the pipe to be plated between the two conical seats 401 is clamped.
Further, four rotating frames 304 are provided, and two rotating frames 304 are rotatably connected between each linkage seat 306 and the control frame.
Through the setting of rotating two rotating frames 304 of being connected between every interlock seat 306 and the control frame, when making two interlock seats 306 be close to or keep away from by telescopic machanism control simultaneously, two interlock seats 306 remain relative state all the time, and two cone-shaped seats 401 remain coaxial all the time, are convenient for the installation of treating the plating pipe.
Referring to fig. 5 and 7, an embodiment of a control rack is described;
the control frame comprises a rotating mechanism, a plurality of driving belts 204 and mounting rod frames 205, wherein the plurality of mounting rod frames 205 are arranged, two driving belts 204 are fixedly connected to two ends of each of the plurality of mounting rod frames 205 respectively, two driving belts 204 are wound on the rotating mechanism through the plurality of mounting rod frames 205, the rotating mechanism is connected to the electroplating tank 101, and the plurality of mounting rod frames 205 are connected with a fixing mechanism.
The mounting rod frame 205 comprises a mounting rod 205a, side seats 205b and a middle seat 205c, wherein two ends of the mounting rod 205a are fixedly connected with the two driving belts 204, the middle part of the mounting rod 205a is provided with the middle seat 205c, the mounting rod 205a is provided with the two side seats 205b, and the two side seats 205b are symmetrical with respect to the middle seat 205 c.
When the driving motor drives the rotating mechanism to drive the driving belt consisting of the two driving belts 204 and the plurality of mounting rod frames 205 to rotate, the plurality of mounting rod frames 205 drive the plurality of fixing mechanisms to rotate, so that the plurality of fixing mechanisms sequentially enter the electroplating liquid in the electroplating tank 101 to be electroplated, and after the plurality of fixing mechanisms are sequentially separated from the electroplating liquid, the electroplating is removed, and a new electroplating to be electroplated is mounted, so that continuous uninterrupted electroplating is formed.
An embodiment of the telescopic mechanism will be described with reference to fig. 7;
the telescopic mechanism comprises a transverse seat 301, a sliding column 302 and a spring 303, wherein the sliding column 302 is fixedly connected to the middle part of the transverse seat 301, the spring 303 is fixedly connected to the sliding column 302, the transverse seat 301 is rotationally connected with two linkage plates 305, the sliding column 302 is slidingly connected with the middle seat 205c, the spring 303 tightly pushes against the middle seat 205c, and two groups of rotating frames 304 are respectively rotationally connected to the two side seats 205 b.
The sliding column 302 pulls the transverse seat 301 to be close to the middle seat 205c through the elastic force of the spring 303, and then the two conical seats 401 are driven to be close through the two linkage plates 305, so that the pipe to be plated is clamped between the two conical seats 401, the elastic force of the spring 303 is overcome when the pipe to be plated is installed and removed, the two conical seats 401 are separated from the two ends of the pipe to be plated, and the pipe to be plated is clamped, so that the pipe to be plated can be installed and removed.
Referring to fig. 3 and 5, an embodiment of the rotating mechanism will be described;
the rotating mechanism comprises two rotating shafts 201 and rotating wheels 202, the rotating shafts 201 are provided with two rotating wheels 202, the two rotating shafts 201 are fixedly connected with the two rotating wheels 202, the two rotating shafts 201 are connected with the electroplating tank 101, and the four rotating wheels 202 are in transmission connection through a transmission belt consisting of two transmission belts 204 and a plurality of mounting rods 205 a.
The driving motor drives one of the rotating shafts 201, then drives the rotating wheel 202 to rotate, drives the transmission belt consisting of the two transmission belts 204 and the plurality of mounting rods 205a to rotate through the friction force between the rotating wheel 202 and the mounting rods 205a, and drives the plurality of fixing mechanisms to rotate through the side seats 205b and the middle seat 205c, so that the plurality of fixing mechanisms are formed to sequentially enter the electroplating liquid in the electroplating tank 101 for electroplating, and after the plurality of fixing mechanisms are sequentially separated from the electroplating liquid, the electroplating is removed, and new electroplating to be electroplated is installed, so that continuous uninterrupted electroplating is formed.
Further, a plurality of grooves 203 are uniformly formed on the rotating wheel 202.
Through the arrangement of the grooves 203, the rotating wheel 202 is convenient for the sequential clamping transmission of the mounting rod 205a, and the slipping between the rotating wheel 202 and the mounting rod 205a is avoided, so that the continuous electroplating of the device is prevented.
Further, the surface electroplating device further comprises two long holes 102, a lifting frame 206 and lifting adjusting screws 207, the two long holes 102 are arranged on the electroplating tank 101 in a penetrating mode, two rotating shafts 201 are respectively connected in the two long holes 102 in a sliding mode, the two rotating shafts 201 are respectively connected to the lifting frame 206 in a rotating mode, and the lifting adjusting screws 207 are connected with the lifting frame 206 in a threaded mode and are connected with the electroplating tank 101 in a rotating mode.
The lifting adjusting screw 207 is rotated to drive the lifting frame 206 to lift relative to the electroplating tank 101 through threaded connection, and then the lifting adjusting screw slides in the long hole 102 through the rotating shaft 201 to drive all fixing mechanisms to lift in the electroplating tank 101, so that electroplating solutions with different depths are accommodated.
Claims (4)
1. A surface electroplating process, characterized by: the method comprises the following steps:
A. pickling the pipe to be plated, and then washing and drying the pipe;
B. mounting a pipe to be plated on a surface electroplating device;
C. electroplating the surface of the pipe to be plated by using a surface electroplating device;
D. taking down after electroplating is completed;
the surface electroplating device comprises an electroplating box (101), a control frame and a fixing mechanism for blocking and fixing two ends of a pipe to be plated, wherein the fixing mechanism is connected to the control frame, and the control frame is connected to the electroplating box (101) and used for controlling the fixing mechanism to move into the electroplating box (101);
the fixing mechanism comprises a conical seat (401), adjusting screws (403) and a clamping mechanism, wherein the clamping mechanism is connected to the control frame, the two sides of the clamping mechanism are oppositely connected with the adjusting screws (403) through threads, and the two adjusting screws (403) are rotatably connected with the conical seat (401);
the conical surface of the conical seat (401) is provided with a rubber layer (402);
the fixing mechanism further comprises an outer sliding sleeve (405), the outer sliding sleeve (405) is connected to the conical seat (401) in a matched sliding manner, and the outer sliding sleeve (405) is fixedly connected with the rubber layer (402) close to the tip side of the conical seat (401);
the fixing mechanism further comprises a connecting plate (406) and a nut (407), wherein the connecting plate (406) is fixedly connected to the tip side of the outer sliding sleeve (405) far away from the conical seat (401), and the nut (407) is rotationally connected with the connecting plate (406) and is in threaded connection with the adjusting screw (403);
the clamping mechanism comprises a rotating frame (304), a linkage plate (305), a linkage seat (306) and a telescopic mechanism, wherein two adjusting screw rods (403) are respectively connected to the two linkage seats (306) in a threaded mode, the two linkage seats (306) are respectively connected to the two rotating frames (304) in a rotating mode, the two rotating frames (304) are respectively connected to the control frame in a rotating mode, the telescopic mechanism is connected to the control frame in a sliding mode, the telescopic mechanism is connected with the two linkage plates (305) in a rotating mode, and the two linkage plates (305) are respectively connected with the two rotating frames (304) in a rotating mode.
2. A surface plating process according to claim 1, wherein: the tip of the conical seat (401) is provided with a pointed end (404).
3. A surface plating process according to claim 1, wherein: four rotating frames (304) are arranged, and two rotating frames (304) are rotatably connected between each linkage seat (306) and the control frame.
4. A surface plating process according to claim 1, wherein: the control frame comprises a rotating mechanism, two driving belts (204) and mounting rod frames (205), wherein the two driving belts (204) are provided with a plurality of mounting rod frames (205), the two driving belts (204) are wound on the rotating mechanism through the plurality of mounting rod frames (205), the plurality of mounting rod frames (205) are connected with a fixing mechanism, and the rotating mechanism is connected to the electroplating box (101).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110748653.8A CN113463153B (en) | 2021-07-02 | 2021-07-02 | Surface electroplating process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110748653.8A CN113463153B (en) | 2021-07-02 | 2021-07-02 | Surface electroplating process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113463153A CN113463153A (en) | 2021-10-01 |
| CN113463153B true CN113463153B (en) | 2023-04-25 |
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ID=77877335
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110748653.8A Active CN113463153B (en) | 2021-07-02 | 2021-07-02 | Surface electroplating process |
Country Status (1)
| Country | Link |
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| CN (1) | CN113463153B (en) |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07224396A (en) * | 1994-02-08 | 1995-08-22 | Sumitomo Metal Ind Ltd | Method for electroplating metallic pipe and device therefor |
| US7402231B2 (en) * | 2003-09-17 | 2008-07-22 | Nippon Platec Co., Ltd. | Method and apparatus for partially plating work surfaces |
| CN101338442A (en) * | 2007-07-03 | 2009-01-07 | 天津市瀚隆镀锌有限公司 | Method for making single-side galvanized pipe suitable for assembling and manufacturing pipe system |
| KR101186993B1 (en) * | 2011-01-13 | 2012-09-28 | (주)뉴옵틱스 | A cylindrical mold assembly for nano/micro pattern formation |
| CN209395403U (en) * | 2018-12-03 | 2019-09-17 | 浙江科美生物科技有限公司 | A kind of automatic film covering equipment of minaudiere |
| CN211256139U (en) * | 2019-12-27 | 2020-08-14 | 东莞奕创表面处理科技有限公司 | Electroplating bath with uniform electroplating |
| CN212223133U (en) * | 2020-04-01 | 2020-12-25 | 石狮鸿鹰五金制品有限公司 | Electroplating device for surface treatment of metal product |
| CN212051688U (en) * | 2020-04-20 | 2020-12-01 | 天津市源泰建丰钢管制造有限公司 | Novel steel pipe is with zinc-plating device |
| CN212152467U (en) * | 2020-04-21 | 2020-12-15 | 广东益成科技有限公司 | Movable automatic rack plating device for plating layer |
| CN212610965U (en) * | 2020-07-04 | 2021-02-26 | 张翠华 | Electroplating frame for electroplating processing of outer surface of steel pipe |
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2021
- 2021-07-02 CN CN202110748653.8A patent/CN113463153B/en active Active
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Effective date of registration: 20230407 Address after: 315000 High tech Development Zone, Fenghua District, Ningbo City, Zhejiang Province Applicant after: Ningbo Fenghua Jinsheng Plating Co.,Ltd. Address before: 150000 business incubator, No. 251 Xuefu Road, Nangang District, Harbin City, Heilongjiang Province Applicant before: Yang Guichang |
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