CN105696061B - A kind of cylindrical workpiece electroplating clamp - Google Patents

A kind of cylindrical workpiece electroplating clamp Download PDF

Info

Publication number
CN105696061B
CN105696061B CN201610229135.4A CN201610229135A CN105696061B CN 105696061 B CN105696061 B CN 105696061B CN 201610229135 A CN201610229135 A CN 201610229135A CN 105696061 B CN105696061 B CN 105696061B
Authority
CN
China
Prior art keywords
cylindrical workpiece
galvanic anode
collet
mounting plate
electroplating
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.)
Expired - Fee Related
Application number
CN201610229135.4A
Other languages
Chinese (zh)
Other versions
CN105696061A (en
Inventor
陈鹏
倪克明
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.)
Hefei Changyuan Hydraulics Co Ltd
Original Assignee
Hefei Changyuan Hydraulics Co Ltd
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 Hefei Changyuan Hydraulics Co Ltd filed Critical Hefei Changyuan Hydraulics Co Ltd
Priority to CN201610229135.4A priority Critical patent/CN105696061B/en
Publication of CN105696061A publication Critical patent/CN105696061A/en
Application granted granted Critical
Publication of CN105696061B publication Critical patent/CN105696061B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25DPROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D17/00Constructional parts, or assemblies thereof, of cells for electrolytic coating
    • C25D17/06Suspending or supporting devices for articles to be coated
    • CCHEMISTRY; METALLURGY
    • C25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25DPROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D7/00Electroplating characterised by the article coated
    • C25D7/04Tubes; 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)

Abstract

The invention discloses a kind of cylindrical workpiece electroplating clamps, it include the collet for cylindrical workpiece to be clamped, further include insulated mounting plate and galvanic anode, the collet and galvanic anode are each attached on insulated mounting plate, in the state that cylindrical workpiece is lived by the grips, the galvanic anode is extend into the inner cavity of cylindrical workpiece.Collet and galvanic anode are linked to be entirety by the present invention by insulated mounting plate, and the two is made to be electrically isolated, when being electroplated, cylindrical workpiece can be fixed by collet, then fixture is stretched into cylindrical workpiece in the inner cavity of external tubular galvanic anode, in this way, the outer wall of cylindrical workpiece can be electroplated in external tubular galvanic anode, and the galvanic anode of the present invention is extend into the inner cavity of cylindrical workpiece, cylindrical workpiece inner wall can be electroplated, therefore the purpose that plating is carried out at the same time to the inside and outside wall of cylindrical workpiece can be realized through the invention, the energy is greatly saved, improve production efficiency.

Description

A kind of cylindrical workpiece electroplating clamp
Technical field
The present invention relates to field of fixtures, relate in particular to a kind of cylindrical workpiece electroplating clamp.
Background technology
With the development of Hydraulic Industry, a kind of cylindrical workpiece of inside and outside all chromium plating is needed.Such as cylinder tube, it is especially more The cylinder barrel of grade cylinder.
At present when cylindrical workpiece is electroplated, all it is first to be handled workpiece clamp using fixture, is then stretched with workpiece by fixture Enter into the inner cavity of the galvanic anode of tubular, with the outer wall of this electroplating parts, after the outer wall of workpiece plates, then by fixture by work Part is sleeved on outside rod-shaped galvanic anode, with the inner wall of this electroplating parts.
So the inner and outer wall for just needing to come at twice electroplating parts, can not only consume a large amount of electric energy, cause Waste, and make long in time limit, low production efficiency.
Invention content
Technical problem to be solved by the invention is to provide it is a kind of it is simple in structure, have the function of to grip, realization is to cylinder The inside and outside wall of shape workpiece is carried out at the same time the cylindrical workpiece electroplating clamp of plating purpose.
In order to solve the above-mentioned technical problem, the present invention adopts the following technical scheme that:A kind of cylindrical workpiece electroplating clamp, including Collet for cylindrical workpiece to be clamped, further includes insulated mounting plate and galvanic anode, and the collet and galvanic anode are each attached to On insulated mounting plate, in the state that cylindrical workpiece is lived by the grips, the galvanic anode extend into cylindrical workpiece In inner cavity.
Further, the galvanic anode is detachably secured on insulated mounting plate.
Further, further include galvanic anode fixed block, the galvanic anode with lower structure by being detachably secured to institute It states on insulated mounting plate:It is provided with through-hole on the insulated mounting plate, mounting hole, the electricity are provided on the galvanic anode fixed block One end of plating anode is extend into across through-hole in mounting hole, and passes through the first bolt lock with galvanic anode fixed block screw-thread fit Tightly in mounting hole.
Further, first bolt is made of conductive material, and first bolt is in contact with galvanic anode, It is connected with conducting wire on first bolt.
Further, the galvanic anode is in rod-shaped, and in the state that cylindrical workpiece is lived by the grips, described Galvanic anode and cylindrical workpiece coaxial line.
Further, the insulated mounting plate is equipped with electroplating cathode conductance block, and the collet is made of conductive material, The electroplating cathode conductance block is electrically connected with collet.
Further, the insulated mounting plate is equipped with electroplating cathode conductance block, and the collet is made of conductive material, The electroplating cathode conductance block is electrically connected with collet, and the galvanic anode fixed block, which is adopted, to be made from an insulative material, and the plating Anode fixed block is plated cathode conductance block and is pressed between insulated mounting plate and electroplating cathode conductance block.
Further, the collet and electroplating cathode conductance block are separately positioned on the opposite sides of insulated mounting plate, described Electroplating cathode conductance block by across electroplating cathode conductance block and insulated mounting plate and be threaded on collet using conductive Second bolt made of material is fixed.
Further, it is provided with threaded hole on the electroplating cathode conductance block.
Further, the collet clamps cylindrical workpiece along the outer wall of cylindrical workpiece.
Beneficial effects of the present invention are:
Collet and galvanic anode are linked to be entirety by the present invention by insulated mounting plate, and the two is made to be electrically isolated, and are carrying out electricity When plating, cylindrical workpiece can be fixed by collet, then fixture stretches into external tubular with cylindrical workpiece and sun is electroplated In the inner cavity of pole, in this way, the outer wall of cylindrical workpiece can be electroplated in external tubular galvanic anode, and the plating of the present invention Anode is extend into the inner cavity of cylindrical workpiece, and cylindrical workpiece inner wall can be electroplated, therefore can realize through the invention It is carried out at the same time the purpose of plating to the inside and outside wall of cylindrical workpiece, the energy is greatly saved, improves production efficiency;In addition, this hair Bright simple in structure, manufacture is easy, easy to use.
Description of the drawings
Fig. 1 is the structural schematic diagram of one embodiment of the invention.
Fig. 2 is the left view of Fig. 1.
Fig. 3 is the vertical view of Fig. 2.
In attached drawing the label of each component be:1 insulated mounting plate, 11 through-holes, 2 galvanic anodes, 3 collets, 4 galvanic anodes are fixed Block, 41 mounting holes, 5 electroplating cathode conductance blocks, 51 threaded holes, 61 first bolts, 62 second bolts, 71 conducting wires, 72 conductive spacers, 8 cylindrical workpieces.
Specific implementation mode
The invention will be further described below in conjunction with the accompanying drawings:
Referring to Fig. 1, Fig. 2 and Fig. 3.
The cylindrical workpiece electroplating clamp of one embodiment of the invention, including insulated mounting plate 1, galvanic anode 2 and for pressing from both sides The collet 3 of cylindrical workpiece 8 is held, the collet 3 and galvanic anode 2 are each attached on insulated mounting plate 1, in cylindrical workpiece 8 by institute It states in the state that collet 3 clamps, the galvanic anode 2 is extend into the inner cavity of cylindrical workpiece 8.
The existing collet that cylindrical workpiece can be clamped has very much, and this will not be repeated here, and the collet 3 that the present embodiment is selected is in cylinder Shape, collet 3 clamp cylindrical workpiece 8 along the outer wall cladding of cylindrical workpiece 8, and this design can make the inner wall whole quilt of workpiece Coating covers.In the present embodiment, the galvanic anode 2 is in state that is rod-shaped, and being clamped by the collet 3 in cylindrical workpiece 8 Under, the galvanic anode 2 and 8 coaxial line of cylindrical workpiece.This structure can ensure electroplating evenness, improve quality of coating.
When cylindrical workpiece being electroplated using the present invention, first the other end of galvanic anode 2 is stretched into cylindrical workpiece 8, Then slowly movable fixture, enables collet 3 clamp workpiece, and external tubular galvanic anode is then stretched into workpiece by fixture Inner cavity in, the galvanic anode of external tubular and galvanic anode 2 are finally connect into anode voltage, cylindrical workpiece 8 connects cathode voltage, i.e., It can be electroplated.
In specific implementation, the galvanic anode 2 is detachably secured on insulated mounting plate 1.In this way, according to actual needs, It is convenient for changing the galvanic anode of different materials.Present embodiments provide a kind of structure realized and be detachably fixed between the two:Including Galvanic anode fixed block 4 is provided with through-hole 11 on the insulated mounting plate 1, mounting hole is provided on the galvanic anode fixed block 4 41, one end of the galvanic anode 2 is extend into across through-hole 11 in mounting hole 41, and by with 4 screw thread of galvanic anode fixed block First bolt 61 of cooperation is locked in mounting hole 41, and the first bolt 61 stretches into mounting hole 41 and is tightly abutted against galvanic anode 2 Side wall, to fix galvanic anode 2.This mode being detachably fixed need to only manipulate the first bolt 61 and can be achieved with being electroplated The disassembling, assembling and replacing of anode 2, it is very convenient quick.In the present embodiment, collet 3 is arranged in the bottom surface of insulated mounting plate 1, galvanic anode Fixed block 4 is located at the top surface of insulated mounting plate 1, and plating sun is stretched into one end of galvanic anode 2 across insulated mounting plate 1 from the bottom up In the mounting hole 41 of pole fixed block 4.
Further, first bolt 61 is made of conductive material, and conducting wire 71 is connected on first bolt 61. In this way, conducting wire 71, the first bolt 61 and galvanic anode 2 are sequentially connected electrically, can be plating sun by conducting wire 71 when being electroplated Anode voltage is accessed in pole 2.When it is implemented, conductive spacer 72 can be set on the first bolt 61, then conducting wire 71 is bolted It is installed on conductive spacer 72 so that it is convenient to dismount conducting wire 71, certain conducting wire 71 can also be to be bolted directly in the first bolt On 61.
In the present embodiment, the insulated mounting plate 1 is equipped with electroplating cathode conductance block 5, and the collet 3 uses conductive material It is made, the electroplating cathode conductance block 5 is electrically connected with collet 3.When being electroplated, cylindrical workpiece 8 is electroplating cathode, needs to connect the moon Pole tension, above structure so that electroplating cathode conductance block 5 is electrically connected by collet 3 with cylindrical workpiece 8, therefore, in plating, Directly by cathode voltage access electroplating cathode conductance block 5.
In the present embodiment, electroplating cathode conductance block 5 is arranged in the top surface of insulated mounting plate 1 so that it is convenient to access power supply.Institute Electroplating cathode conductance block 5 is stated by across electroplating cathode conductance block 5 and insulated mounting plate 1 and being threaded in adopting on collet 3 The second bolt 62 made of conductive material is fixed.This fixed form, is not only simple in structure, convenient for disassembly and assembly, can disposably by Three connects, and is directly realized electroplating cathode conductance block 5 and is electrically connected with collet 3, very convenient, need not in addition again Electrical connector is set.
In specific implementation, the first bolt 61 and the second bolt 62 select copper bolt, electric conductivity more preferable.
In the present embodiment, the galvanic anode fixed block 4, which is adopted, to be made from an insulative material, 4 quilt of galvanic anode fixed block Electroplating cathode conductance block 5 is pressed between insulated mounting plate 1 and electroplating cathode conductance block 5.In addition this structure need not be set again It sets fixing piece to fix galvanic anode fixed block 4, after fixing electroplating cathode conductance block 5, electroplating cathode conductance block 5 can be straight It connects and is fixed galvanic anode fixed block 4.
The electroplating cathode conductance block 5 illustrated in figure is substantially in " several " shape, and galvanic anode fixed block 4 is placed exactly in electroplating cathode In the down gap of conductance block 5, facilitate fixation, and the thickness of 5 left and right ends of electroplating cathode conductance block of this shape is smaller, Facilitate the second bolt 62 to pass through, and reduces bolt length.
In the present embodiment, threaded hole 51 is provided on the electroplating cathode conductance block 5.Screw thread 51 be in order to by electroplating clamp with Electropolating hangers are connected and (namely electroplating clamp are hung in electroplating bath by screw thread 51).
It is one embodiment of the present invention above.It should be pointed out that for those of ordinary skill in the art, Without departing from the principles of the invention, various modifications and improvements can be made belongs to protection scope of the present invention.

Claims (6)

1. a kind of cylindrical workpiece electroplating clamp, including it is used to be clamped the collet (3) of cylindrical workpiece (8), it is characterised in that:Further include Insulated mounting plate (1), galvanic anode (2) and galvanic anode fixed block (4), the collet (3) and galvanic anode (2) are each attached to On insulated mounting plate (1), in the state that cylindrical workpiece (8) is clamped by the collet (3), the galvanic anode (2) is stretched into Into the inner cavity of cylindrical workpiece (8);
The galvanic anode (2) with lower structure by being detachably secured on the insulated mounting plate (1):The insulated mounting plate (1) it is provided with through-hole (11) on, mounting hole (41), one end of the galvanic anode (2) are provided on the galvanic anode fixed block (4) It is extend into mounting hole (41) across through-hole (11), and passes through the first bolt with galvanic anode fixed block (4) screw-thread fit (61) it is locked in mounting hole (41);
The insulated mounting plate (1) is equipped with electroplating cathode conductance block (5), and the collet (3) is made of conductive material, described Electroplating cathode conductance block (5) is electrically connected with collet (3), and the galvanic anode fixed block (4), which is adopted, to be made from an insulative material, and described Galvanic anode fixed block (4) be plated cathode conductance block (5) be pressed on insulated mounting plate (1) and electroplating cathode conductance block (5) it Between.
2. cylindrical workpiece electroplating clamp as described in claim 1, it is characterised in that:First bolt (61) uses conduction material Material is made, and first bolt (61) is in contact with galvanic anode (2), and conducting wire is connected on first bolt (61) (71)。
3. cylindrical workpiece electroplating clamp as claimed in claim 1 or 2, it is characterised in that:The galvanic anode (2) in rod-shaped, And in the state that cylindrical workpiece (8) is clamped by the collet (3), the galvanic anode (2) is coaxial with cylindrical workpiece (8) Line.
4. cylindrical workpiece electroplating clamp as claimed in claim 1 or 2, it is characterised in that:The collet (3) and electroplating cathode electricity Guide block (5) is separately positioned on the opposite sides of insulated mounting plate (1), and the electroplating cathode conductance block (5) is by passing through plating cloudy Second bolt made of electrode conductance block (5) and insulated mounting plate (1) and the use conductive material being threaded on collet (3) (62) fixed.
5. cylindrical workpiece electroplating clamp as claimed in claim 1 or 2, it is characterised in that:On the electroplating cathode conductance block (5) It is provided with threaded hole (51).
6. cylindrical workpiece electroplating clamp as claimed in claim 1 or 2, it is characterised in that:The collet (3) is along cylindrical workpiece (8) outer wall clamps cylindrical workpiece (8).
CN201610229135.4A 2016-04-12 2016-04-12 A kind of cylindrical workpiece electroplating clamp Expired - Fee Related CN105696061B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610229135.4A CN105696061B (en) 2016-04-12 2016-04-12 A kind of cylindrical workpiece electroplating clamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610229135.4A CN105696061B (en) 2016-04-12 2016-04-12 A kind of cylindrical workpiece electroplating clamp

Publications (2)

Publication Number Publication Date
CN105696061A CN105696061A (en) 2016-06-22
CN105696061B true CN105696061B (en) 2018-09-21

Family

ID=56219948

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610229135.4A Expired - Fee Related CN105696061B (en) 2016-04-12 2016-04-12 A kind of cylindrical workpiece electroplating clamp

Country Status (1)

Country Link
CN (1) CN105696061B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110528053A (en) * 2019-09-25 2019-12-03 安溪达亚齐机械设计有限公司 A kind of tubulose hardware parcel plating Multi-station electrical coating apparatus

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106757243A (en) * 2016-12-29 2017-05-31 中核北方核燃料元件有限公司 The nickel plating process and nickel plating apparatus of a kind of zirconium alloy pipe
CN107022787B (en) * 2017-03-08 2019-06-14 郑州煤矿机械集团股份有限公司 The tooling and application method that hydraulic cylinder surfaces externally and internally is electroplated simultaneously
CN109402687B (en) * 2018-11-27 2020-07-21 中国航发贵州黎阳航空动力有限公司 Inner and outer surface chromium plating device for ball seat
CN110592645B (en) * 2019-09-23 2021-08-17 徐州徐工液压件有限公司 Novel electroplating hanger for inner wall of oil cylinder
CN110747496A (en) * 2019-11-27 2020-02-04 山西汾西重工有限责任公司 Electroplating tool with circular-ring-inner-cavity reinforcing ribs for truncated-cone-shaped thin-wall shell
CN114411230A (en) * 2022-03-01 2022-04-29 中国原子能科学研究院 Electroplating device and electroplating method for pipe fitting

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2597490Y (en) * 2003-01-22 2004-01-07 上海大学 Special clamp device for electroplating technique of gear internal hole surface
CN1482286A (en) * 2003-08-13 2004-03-17 鞍钢附属企业公司一炼钢冶金修造厂 Galvanization apparatus and process of tube-type crystallizer
CN101187053A (en) * 2007-09-19 2008-05-28 南平华闽汽车配件工业有限公司 Scrape ring internal and external chrome-plating clamp
CN202246958U (en) * 2011-09-20 2012-05-30 贵州航天风华精密设备有限公司 Hanger for chromeplating inner wall of square tube part
CN102677135A (en) * 2011-03-17 2012-09-19 深圳市深联电路有限公司 Electroplating production device and method for high-precision circuit board with complete metal wrapped edge
CN202688478U (en) * 2012-06-18 2013-01-23 上海宝钢工业技术服务有限公司 Fine-tube shaped working piece inner hole chroming device
CN104818507A (en) * 2015-04-02 2015-08-05 中航飞机股份有限公司西安飞机分公司 Method for preventing cracking of electroplated chrome layer at internal cylinder part slope
CN204550776U (en) * 2015-03-03 2015-08-12 吉林安德电化科技有限公司 The plating inner surface production line of crystallizer
CN105297094A (en) * 2015-10-22 2016-02-03 苏州市康普来表面处理科技有限公司 Special tool for partial rack plating of slim-hole parts
CN205474073U (en) * 2016-04-12 2016-08-17 合肥长源液压股份有限公司 Tube -shape work piece plating jig

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008109113A1 (en) * 2007-03-06 2008-09-12 U.S. Chrome Corporation Tubular members with hard coating and method for making same

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2597490Y (en) * 2003-01-22 2004-01-07 上海大学 Special clamp device for electroplating technique of gear internal hole surface
CN1482286A (en) * 2003-08-13 2004-03-17 鞍钢附属企业公司一炼钢冶金修造厂 Galvanization apparatus and process of tube-type crystallizer
CN101187053A (en) * 2007-09-19 2008-05-28 南平华闽汽车配件工业有限公司 Scrape ring internal and external chrome-plating clamp
CN102677135A (en) * 2011-03-17 2012-09-19 深圳市深联电路有限公司 Electroplating production device and method for high-precision circuit board with complete metal wrapped edge
CN202246958U (en) * 2011-09-20 2012-05-30 贵州航天风华精密设备有限公司 Hanger for chromeplating inner wall of square tube part
CN202688478U (en) * 2012-06-18 2013-01-23 上海宝钢工业技术服务有限公司 Fine-tube shaped working piece inner hole chroming device
CN204550776U (en) * 2015-03-03 2015-08-12 吉林安德电化科技有限公司 The plating inner surface production line of crystallizer
CN104818507A (en) * 2015-04-02 2015-08-05 中航飞机股份有限公司西安飞机分公司 Method for preventing cracking of electroplated chrome layer at internal cylinder part slope
CN105297094A (en) * 2015-10-22 2016-02-03 苏州市康普来表面处理科技有限公司 Special tool for partial rack plating of slim-hole parts
CN205474073U (en) * 2016-04-12 2016-08-17 合肥长源液压股份有限公司 Tube -shape work piece plating jig

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110528053A (en) * 2019-09-25 2019-12-03 安溪达亚齐机械设计有限公司 A kind of tubulose hardware parcel plating Multi-station electrical coating apparatus
CN110528053B (en) * 2019-09-25 2021-05-14 绍兴兴裕门窗有限公司 Multi-station electroplating equipment for local electroplating of tubular hardware

Also Published As

Publication number Publication date
CN105696061A (en) 2016-06-22

Similar Documents

Publication Publication Date Title
CN105696061B (en) A kind of cylindrical workpiece electroplating clamp
CN205474073U (en) Tube -shape work piece plating jig
CN202148358U (en) Device for screening chromeplated electroplated part of inner hole of tubular member
CN204982125U (en) Cathode current segmentation adjusting mechanism for perpendicular continuous electroplating production line of PCB
CN109402687B (en) Inner and outer surface chromium plating device for ball seat
CN206521532U (en) A kind of electroplanting device for monitoring dual output rectifier
CN210030920U (en) Local electroplating device for pipe plated part
CN111850646A (en) Uniform flow plating device for inner wall of pipe fitting
CN205635815U (en) A electroplate device for metal surface preparation nickel nano wire
CN208933504U (en) Vertical plating line inner hole electrodeposited chromium device
CN204401130U (en) A kind of chrome-plating clamp with supplementary anode
CN216192834U (en) Screw head electroplates general hanger batched extend structure
CN211734494U (en) Tool jig for plating hard chromium in holes and grooves
CN202705538U (en) Oxidation hanger
CN212610950U (en) Bar-shaped part surface chromium plating device
CN214218882U (en) Long service life's hanging rod
CN109554727B (en) Flexible electricity feeding device based on continuous anode aluminum electrolytic cell
CN216688360U (en) Outer circle chromium plating device for valve pin part
CN216274442U (en) Electroplating device for needle disc workpieces
CN216155997U (en) Opposite-pulling electricity-leading type universal hanger used in screw head electroplating process
CN212800593U (en) Barrel chromium plating device before injection molding machine
CN213925109U (en) Part internal and external surface black chromium plating anchor clamps
CN208933512U (en) Line cathode both-end electric installation is electroplated in large-size horizontal super long workpiece hard chrome
CN213388953U (en) Controllable power supply and electrode automatic clamping device for deep small hole inner wall chromium plating
CN216155995U (en) Screw head electroplating conductive hanger

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20180921

Termination date: 20210412

CF01 Termination of patent right due to non-payment of annual fee