CN113789561A - Electroplating processing equipment and processing method for U-shaped metal hanging ring of power line - Google Patents

Abstract

The invention relates to the technical field of electric metal processing, in particular to electric power circuit metal U-shaped hanging ring electroplating processing equipment and a processing method thereof. This application has the durability that improves the work piece, reduces work piece wearing and tearing, leads to U type link abandonment, the effect that resource-wasting problem took place.

Description

Electroplating processing equipment and processing method for U-shaped metal hanging ring of power line

Technical Field

The invention relates to the technical field of electric power metal processing, in particular to electric power circuit metal U-shaped hanging ring electroplating processing equipment and a processing method thereof.

Background

The U-shaped suspension loop is formed by forging round steel, has wide application range, can be used independently or in series connection, and is connected by adopting a pin, an eyelet and a bolt. The U-shaped pendant on the market is punched flat or beaten on the basis of a U-shaped blank, the two ends of the U-shaped pendant need to be molded, and after one end is molded in the manufacturing process, a worker turns over a workpiece and molds the other end again.

Chinese patent No. CN110773619A discloses a forming machine and a forming method for U-shaped suspension loops of power line hardware fittings, which includes a workbench, a clamping device and a flattening device, wherein the clamping device is installed on the upper end surface of the workbench, and the flattening device is arranged above the clamping device.

The inventor thinks that the workpiece has poor surface wear resistance after being formed, the workpiece is easy to wear after being used, and the service life is short, so that the worn workpiece needs to be frequently replaced, and resources are wasted.

Disclosure of Invention

In order to overcome the defects that after a workpiece is formed, the surface of the workpiece is poor in wear resistance, the workpiece is easily worn after the workpiece is used, and the service life of the workpiece is short, the application provides electroplating processing equipment for the U-shaped suspension ring of the power line metal and a processing method thereof.

In a first aspect, the application provides a power line metal U-shaped link electroplating processing equipment adopts following technical scheme:

the utility model provides a power line metal U type link electroplating processing equipment, includes electroplating bath and workstation, the workstation includes bracing piece and the removal frame of fixed connection on the bracing piece, it is the setting of ring type to remove the frame, sliding connection has the movable plate on the removal frame, it is provided with the drive movable plate along removing a pivoted drive arrangement to remove to put up, along vertical direction sliding connection having the mounting panel on the movable plate, the movable plate with be provided with the elevating gear that the drive mounting panel reciprocated between the mounting panel, can dismantle on the mounting panel and connect the work piece board, the work piece board is used for connecting the U type link of treating electroplating.

Through adopting above-mentioned technical scheme, set up U type link on the work piece board, get into the electroplating bath through elevating gear control work piece board and electroplate, can drive the movable plate through drive arrangement and remove on removing the frame, the electroplating and the taking out of convenient control U type link, the movable plate moves along the annular on annular removal frame, improve the efficiency of electroplating, the wearing layer is plated in the U type link outside, the durability of work piece is improved, reduce work piece wearing and tearing, lead to U type link abandonment, the emergence of the problem of resource-wasting.

Optionally, the moving frame is provided with a plurality of moving plates, and the plurality of moving plates are arranged in a central symmetry manner with respect to the moving frame.

Through adopting above-mentioned technical scheme, set up the movable plate a plurality ofly on removing the frame to the movable plate sets up about removing a central symmetry, can make a plurality of movable plate synchronous movement, and the electroplating of U type link is accomplished on the work piece board, and when the work piece board kept away from the electroplating bath, other work piece boards that have the U type link of treating the electroplating are close to the electroplating bath simultaneously, further improve electroplating efficiency.

Optionally, a sliding groove is formed in the moving frame and is in an annular arrangement, a sliding ring is connected to the sliding groove in a sliding mode and is multiple, the moving plate is fixedly connected to the sliding ring, and the driving device comprises an annular rack fixedly connected to the sliding ring, a driving gear meshed to one side of the annular rack and a driving motor driving the driving gear to rotate.

Through adopting above-mentioned technical scheme, drive gear through driving motor and rotate to make drive gear drive the annular rack rotation of meshing, further make things convenient for the slip ring at the sliding tray internal rotation, make the removal of movable plate more stable.

Optionally, the lifting device comprises a lifting cylinder fixedly connected to the moving plate, and a pushing plate fixedly connected to the lifting cylinder, and the pushing plate is fixedly connected to the mounting plate.

Through adopting above-mentioned technical scheme, drive the slurcam through the lift cylinder and remove, further make things convenient for the rising and the decline of control mounting panel to it is more convenient to make the U type link on the work piece board electroplate.

Optionally, the mounting plate is close to one side of the workpiece plate is fixedly connected with an electromagnet, the workpiece plate is close to one side of the electromagnet is fixedly connected with an iron block, and the electromagnet and the iron block are electrified and adsorbed.

Through adopting above-mentioned technical scheme, adsorb the iron plate through the electro-magnet, make things convenient for the connection of mounting panel and work piece board, make the connection quicker, improve work piece machining efficiency to the electro-magnet is convenient to separate work piece board and mounting panel after U type link processing is accomplished, thereby the work piece board that has the U type link of not electrolysis of quick replacement one.

Optionally, the mounting panel is kept away from work piece board one side fixedly connected with gag lever post, the gag lever post is close to the spacing fixture block of workstation one side fixedly connected with, fixedly connected with limiting plate on the workstation, the spacing groove has been seted up on the limiting plate, descends in the electroplating bath when the mounting panel, spacing fixture block grafting cooperation is at the spacing inslot.

Through adopting above-mentioned technical scheme, when the mounting panel removed to the electroplating bath top, the lift cylinder drove the mounting panel and descends, and when the mounting panel was located the electroplating bath, spacing fixture block pegged graft the cooperation and carry on spacingly at spacing inslot to the mounting panel to realize the locking to the mounting panel, further improve and reduce when electroplating, the possibility that the work piece board rocked.

Optionally, a protective layer is arranged on the outer side of the iron block, and the protective layer is a plastic film.

Through adopting above-mentioned technical scheme, through setting up the protective layer in the iron plate outside, protect the iron plate through plastic film, reduce liquid contact iron plate, lead to iron plate surface to generate the wearing layer, plastic film can conveniently change, can take off through tearing plastic film at the wearing layer that plastic film surface generated.

Optionally, the workpiece plate is made of plastic, the workpiece plate is far away from a plurality of hooks fixedly connected to one side of the iron block, and the hooks are used for penetrating through U-shaped hanging rings.

Through adopting above-mentioned technical scheme, the work piece board of plastics material can reduce the quality of work piece board, further makes things convenient for workman's taking, sets up a plurality of couples and can hang U type link and establish on the couple, once electroplates a plurality of U type links, improves electroplating efficiency.

Optionally, couple one end is provided with insurance subassembly, insurance subassembly includes fixed connection and is in spacing post, the sliding connection of couple hook end be in condom on the spacing post, spacing post sets up along vertical direction, the condom is the plastics material, the condom with work piece board one side slip butt.

Through adopting above-mentioned technical scheme, when the couple falls in the electroplating bath, the condom receives buoyancy effect come-up, thereby realize the locking to the couple to conflict work piece board, reduce the possibility of work piece from couple one end landing in the electroplating bath to after the couple leaves the electroplating bath, the condom receives gravity to influence the gliding, removes the locking to the couple.

In a second aspect, the present application further provides a processing method of an electroplating processing device for a power line metal U-shaped suspension ring, which includes the following steps:

s1, a plurality of unplated U-shaped hanging rings are connected to the workpiece plate by the hooks penetrating through the holes;

s2, electrifying the electromagnet, adsorbing the workpiece plate on the electromagnet, and connecting the workpiece plate with the mounting plate;

s3, driving the mounting plate to rise through the lifting cylinder, and driving the moving plate to move on the moving frame through the driving device;

s4, when the mounting plate with the U-shaped hanging ring moves to the upper part of the electroplating pool, the mounting plate is driven to descend through the lifting cylinder, and the U-shaped hanging ring is placed in the electroplating pool for electroplating;

s5, when the electroplating tank electroplates the U-shaped hanging ring on the workpiece plate, the rear U-shaped hanging ring is connected to the unused workpiece plate, and the electromagnet is electrified to connect the workpiece plate and the mounting plate;

s6, when the U-shaped hanging ring in the electroplating pool is electroplated, the lifting cylinder contracts, the driving device works, the U-shaped hanging ring which is electroplated is moved along the moving frame, and the rear workpiece plate is moved to the position above the electroplating pool;

s7, cutting off the power of the electromagnetic plate on the mounting plate after electroplating, and taking down the U-shaped workpiece;

and S8, repeating S1-S7, and circularly electroplating the U-shaped hanging ring.

Through adopting above-mentioned technical scheme, after electroplating U type link, the U type link that will electroplate and accomplish rotates to the opposite side, and in this moment, unprocessed U type link on another work piece board removes to electroplating bath top, when electroplating U type link, can change the work piece board on another mounting panel, the work piece board that will electroplate and accomplish is changed down, use the electro-magnet to connect and have the work piece board that does not carry out the electroplating, improve machining efficiency through annular removal frame, reduce the idle possibility in the electroplating bath.

In summary, the present application includes at least one of the following beneficial technical effects:

the U-shaped hanging ring is arranged on the workpiece plate, the workpiece plate is controlled to enter an electroplating pool for electroplating through the lifting device, the movable plate can be driven to move on the movable frame through the driving device, the U-shaped hanging ring can be conveniently controlled to be electroplated and taken out, the movable plate moves on the annular movable frame along the annular direction, the electroplating efficiency is improved, the wear-resistant layer is plated on the outer side of the U-shaped hanging ring, the durability of the workpiece is improved, the abrasion of the workpiece is reduced, the U-shaped hanging ring is discarded, and the resource is wasted;

the movable plates are arranged on the movable frame and are arranged symmetrically relative to the center of the movable frame, so that the movable plates can move synchronously, the electroplating of the U-shaped suspension loops on the workpiece plates is completed, and when the workpiece plates are far away from the electroplating pool, other workpiece plates with the U-shaped suspension loops to be electroplated are close to the electroplating pool at the same time, so that the electroplating efficiency is further improved;

after the U-shaped hanging ring is electroplated, the electroplated U-shaped hanging ring rotates to the other side, meanwhile, an unprocessed U-shaped hanging ring on another workpiece plate moves to the upper side of an electroplating pool, the workpiece plate on another mounting plate can be replaced while the U-shaped hanging ring is electroplated, the electroplated workpiece plate is replaced, the workpiece plate which is not electroplated is connected through an electromagnet, the processing efficiency is improved through an annular moving frame, and the possibility of vacancy in the electroplating pool is reduced.

Drawings

Fig. 1 is a schematic structural diagram of an electroplating processing device for a U-shaped metal hanging ring of a power line in an embodiment of the present application.

FIG. 2 is a side view of an electroplating processing device for a U-shaped suspension ring of a power line metal in the embodiment of the present application.

Fig. 3 is a cross-sectional view taken at a-a in fig. 2.

FIG. 4 is a schematic view of the structure of a workpiece plate and its upper part in an embodiment of the present application.

Description of reference numerals:

1. an electroplating pool; 2. a working frame; 3. a support bar; 4. a movable frame; 5. moving the plate; 6. a drive device; 7. mounting a plate; 8. a lifting device; 9. a workpiece plate; 10. a sliding groove; 11. a slip ring; 12. an annular rack; 13. a drive gear; 14. a drive motor; 15. a lifting cylinder; 16. a push plate; 17. an electromagnet; 18. an iron block; 19. a protective layer; 20. hooking; 21. a limiting rod; 22. a limiting clamping block; 23. a limiting plate; 24. a limiting groove; 25. a limiting column; 26. a condom; 27. and a safety component.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses electroplating processing equipment for a U-shaped metal hanging ring of a power line. Referring to fig. 1, the electroplating processing equipment for the U-shaped suspension loop of the power line metal comprises an electroplating pool 1 and a working frame 2, wherein the electroplating pool 1 is placed on one side of the working frame 2, the working frame 2 comprises a movable frame 4 and a support rod 3 fixedly connected to the movable frame 4, and the support rod 3 is used for supporting on the ground.

Referring to fig. 1, 2 and 3, the movable frame 4 is arranged in a circular ring shape, a sliding groove 10 is arranged on one side, away from the ground, of the movable frame 4, the sliding groove 10 is arranged in a circular ring shape, a sliding ring 11 is rotatably connected in the sliding groove 10, a movable plate 5 is fixedly connected to one side, away from the bottom of the sliding groove 10, of the sliding ring 11, and when the sliding ring 11 slides in the sliding groove 10, the sliding ring 11 drives the movable plate 5 to move together.

Referring to fig. 1, the plurality of moving plates 5 are provided on the slide ring 11, and the plurality of moving plates 5 are arranged symmetrically with respect to the center of the slide ring 11, and in this embodiment, two moving plates 5 are provided.

Referring to fig. 1, a driving device 6 for driving the sliding ring 11 to move is arranged on the moving frame 4, the driving device 6 includes an annular rack 12 fixedly connected to one side of the sliding ring 11 away from the center of the sliding ring 11, a driving gear 13 engaged with one side of the annular rack 12, and a driving motor 14 for driving the driving gear 13 to rotate, a motor casing of the driving motor 14 is fixedly connected to one side of the moving frame 4, a motor shaft of the driving motor 14 and the driving gear 13 rotate coaxially, and the driving motor 14 operates to drive the annular rack 12 to rotate, so that the sliding ring 11 rotates in the sliding groove 10.

Referring to fig. 1 and 3, a mounting plate 7 is connected to one side of the moving plate 5 close to the ground, a lifting device 8 for driving the mounting plate 7 to move up and down is arranged between the moving plate 5 and the mounting plate 7, the lifting device 8 comprises a lifting cylinder 15 connected to the moving plate 5, a push plate 16 fixedly connected to a piston rod of the lifting cylinder 15, the push plate 16 is fixedly connected to the mounting plate 7, and a cylinder body of the lifting cylinder 15 is fixedly connected to one side of the moving plate 5.

Referring to fig. 3, one side, far away from the moving plate 5, of the mounting plate 7 is connected with a workpiece plate 9, the workpiece plate 9 is used for being connected with a U-shaped hanging ring, one side, far away from the mounting plate 7, of the workpiece plate 9 is fixedly connected with a plurality of hooks 20, the hooks 20 are used for penetrating through the U-shaped hanging ring, the U-shaped hanging ring is placed on the workpiece plate 9, the workpiece plate 9 is driven to move through the mounting plate 7, and therefore the U-shaped hanging piece enters the electroplating pool 1 to be electroplated.

Referring to fig. 3, the workpiece plate 9 is made of plastic, and the workpiece plate 9 made of plastic can reduce the mass, so that the workpiece plate 9 can be further conveniently processed by workers.

Referring to fig. 3 and 4, in order to reduce the possibility that the workpiece slips off in the electroplating 1, a safety component 27 is arranged at one end of the hook 20, the safety component 27 comprises a limiting column 25 fixedly connected to the hook end of the hook 20 and a safety sleeve 26 slidably connected to the limiting column 25, the limiting column 25 is arranged in the vertical direction, the safety sleeve 26 is made of a plastic material, and the safety sleeve 26 is slidably abutted to one side of the workpiece plate 9.

Referring to fig. 4, when the hook 20 falls in the plating bath 1, the condom 26 floats by buoyancy and abuts against the workpiece plate 9 to lock the hook 20, and when the hook 20 leaves the plating bath 1, the condom 26 slides down under the influence of gravity to unlock the hook 20.

Referring to fig. 3, in order to facilitate connection between the mounting plate 7 and the workpiece plate 9, an electromagnet 17 is fixedly connected to the mounting plate 7, an iron block 18 is fixedly connected to the workpiece plate 9, and the electromagnet 17 is energized to attract the iron block 18.

Referring to fig. 3, the iron block 18 is wrapped with a protective layer 19, and in this embodiment, the protective layer 19 is a plastic film, and the iron block 18 can be further conveniently protected by the plastic film.

Referring to fig. 1, in order to improve the stability of work piece when electroplating, reduce the possibility that mounting panel 7 rocked, work piece board 9 one side fixedly connected with gag lever post 21 is kept away from to mounting panel 7, and gag lever post 21 is close to the spacing fixture block 22 of 2 one side fixedly connected with of work rest, and fixedly connected with limiting plate 23 on the work rest 2 has seted up spacing groove 24 on the limiting plate 23, descends in electroplating bath 1 when mounting panel 7, and spacing fixture block 22 grafting cooperation is in spacing groove 24.

The implementation principle of the electroplating processing equipment for the U-shaped suspension loop of the power line metal in the embodiment of the application is as follows: drive mounting panel 7 through lift cylinder 15 and reciprocate, adsorb iron plate 18 with electro-magnet 17 and connect work piece board 9, make things convenient for the connection and the separation of work piece board 9, it removes to drive the shift ring through drive arrangement 6, thereby make things convenient for work piece board 9 to remove to electroplating bath 1 top, through setting up two movable plates 5 on removing frame 4, when U type link on one of them movable plate 5 is electroplated and is accomplished and shift out from electroplating bath 1, make U type link on another movable plate 5 get into electroplating bath 1 in step, improve U type link electroplating efficiency, wear-resistant coating is plated in the U type link outside, improve the durability of work piece, reduce the work piece wearing and tearing, lead to U type link abandonment, the emergence of the problem of extravagant resource.

The embodiment of the application also discloses a processing method of the electroplating processing equipment for the U-shaped metal hanging ring of the power line, which comprises the following steps:

s1, a plurality of unplated U-shaped hanging rings are connected to the workpiece plate 9 through the hooks 20 penetrating through the holes;

s2, electrifying the electromagnet 17, adsorbing the workpiece plate 9 on the electromagnet 17, and connecting the workpiece plate 9 with the mounting plate 7;

s3, driving the mounting plate 7 to rise through the lifting cylinder, and driving the moving plate 5 to move on the moving frame 4 through the driving device 6;

s4, when the mounting plate 7 with the U-shaped hanging ring moves to the upper part of the electroplating pool 1, the mounting plate 7 is driven to descend by the lifting cylinder 15, and the U-shaped hanging ring is placed in the electroplating pool 1 for electroplating;

s5, when the electroplating tank 1 electroplates the U-shaped hanging ring on the workpiece plate 9, the rear U-shaped hanging ring is connected to the unused workpiece plate 9, and the electromagnet 17 is electrified to connect the workpiece plate 9 and the mounting plate 7;

s6, after the U-shaped suspension loop in the electroplating pool 1 is electroplated, the lifting cylinder 15 contracts, the driving device 6 works, and the U-shaped suspension loop which is electroplated moves along the moving frame 4, so that the rear workpiece plate 9 moves to the upper part of the electroplating pool 1;

s7, cutting off the power of the electromagnetic plate on the mounting plate 7 after the electroplating is finished, and taking down the U-shaped workpiece;

and S8, repeating S1-S7, and circularly electroplating the U-shaped hanging ring.

The implementation principle of the processing method of the electric power circuit metal U-shaped hanging ring electroplating processing equipment in the embodiment of the application is as follows: after the U-shaped suspension loop is electroplated, the electroplated U-shaped suspension loop is rotated to the other side, meanwhile, an unprocessed U-shaped suspension loop on another workpiece plate 9 is moved to the upper side of the electroplating pool 1, the workpiece plate 9 on another mounting plate 7 can be replaced while the U-shaped suspension loop is electroplated, the electroplated workpiece plate 9 is replaced, the electromagnet 17 is used for connecting the workpiece plate 9 which is not electroplated, the processing efficiency is improved through the annular moving frame 4, and the possibility of idleness in the electroplating pool 1 is reduced.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (10)

1. The utility model provides a processing equipment is electroplated to power line metal U type link which characterized in that: including electroplating bath (1) and work frame (2), work frame (2) include bracing piece (3) and fixed connection removal frame (4) on bracing piece (3), removal frame (4) are the setting of ring type, sliding connection has movable plate (5) on removal frame (4), be provided with drive movable plate (5) on removal frame (4) along removing frame (4) pivoted drive arrangement (6), there are mounting panel (7) along vertical direction sliding connection on movable plate (5), movable plate (5) with be provided with elevating gear (8) that drive mounting panel (7) reciprocated between mounting panel (7), can dismantle on mounting panel (7) and connect work piece board (9), work piece board (9) are used for connecting the U type link of treating electroplating.

2. The electroplating processing equipment for the U-shaped suspension ring of the power line metal as claimed in claim 1, wherein the electroplating processing equipment comprises: the moving plates (5) are arranged on the moving frame (4) in a plurality, and the moving plates (5) are arranged in a central symmetry mode relative to the moving frame (4).

3. The electroplating processing equipment for the U-shaped suspension ring of the power line metal according to claim 2, characterized in that: the movable rack is characterized in that a sliding groove (10) is formed in the movable rack (4), the sliding groove (10) is annularly arranged, a sliding ring (11) is connected to the sliding groove (10) in a sliding mode, the movable plate (5) is fixedly connected to the sliding ring (11), and the driving device (6) comprises an annular rack (12) fixedly connected to the sliding ring (11), a driving gear (13) meshed to one side of the annular rack (12) and a driving motor (14) driven to rotate the driving gear (13).

4. The electroplating processing equipment for the U-shaped suspension ring of the power line metal according to claim 3, characterized in that: elevating gear (8) are including fixed connection lift cylinder (15) on movable plate (5), fixed connection pushing plate (16) on lift cylinder (15), pushing plate (16) with mounting panel (7) fixed connection.

5. The electroplating processing equipment for the U-shaped suspension ring of the power line metal according to claim 4, characterized in that: mounting panel (7) are close to work piece board (9) one side fixedly connected with electro-magnet (17), work piece board (9) are close to electro-magnet (17) one side fixedly connected with iron plate (18), electro-magnet (17) with iron plate (18) circular telegram is adsorbed.

6. The electroplating processing equipment for the U-shaped suspension ring of the power line metal according to claim 5, wherein the electroplating processing equipment comprises: keep away from mounting panel (7) work piece board (9) one side fixedly connected with gag lever post (21), gag lever post (21) are close to spacing fixture block (22) of workstation (2) one side fixedly connected with, fixedly connected with limiting plate (23) are gone up in workstation (2), spacing groove (24) have been seted up on limiting plate (23), descend in electroplating bath (2) when mounting panel (7), spacing fixture block (22) are pegged graft and are cooperated in spacing groove (24).

7. The electroplating processing equipment for the U-shaped suspension ring of the power line metal according to claim 6, wherein the electroplating processing equipment comprises: and a protective layer (19) is arranged on the outer side of the iron block (18), and the protective layer (19) is a plastic film.

8. The electroplating processing equipment for the U-shaped suspension ring of the power line metal according to claim 7, characterized in that: work piece board (9) are the plastics material, work piece board (9) are kept away from a plurality of couples (20) of iron plate (18) one side fixedly connected with, couple (20) are used for wearing to establish U type link.

9. The electroplating processing equipment for the U-shaped suspension ring of the power line metal according to claim 8, characterized in that: couple (20) one end is provided with insurance subassembly (27), insurance subassembly (27) are including fixed connection spacing post (25), the sliding connection of couple (20) hook end be in condom (26) on spacing post (25), spacing post (25) set up along vertical direction, condom (26) are the plastics material, condom (26) with work piece board (9) one side slip butt.

10. A processing method applied to the electric power circuit metal U-shaped hanging ring electroplating processing equipment as claimed in claims 8-9 is characterized by comprising the following steps:

s1, a plurality of unplated U-shaped hanging rings are connected to the workpiece plate (9) through the holes by the hooks (20);

s2, electrifying the electromagnet (17), adsorbing the workpiece plate (9) on the electromagnet (17), and connecting the workpiece plate (9) with the mounting plate (7);

s3, driving the mounting plate (7) to rise through the lifting cylinder (15), and driving the moving plate (5) to move on the moving frame (4) through the driving device (6);

s4, when the mounting plate (7) with the U-shaped hanging ring moves to the position above the electroplating pool (1), the mounting plate (7) is driven to descend through the lifting cylinder (15), and the U-shaped hanging ring is placed in the electroplating pool (1) for electroplating;

s5, when the electroplating tank (1) electroplates the U-shaped hanging ring on the workpiece plate (9), the rear U-shaped hanging ring is connected to the unused workpiece plate (9), and the electromagnet (17) is electrified to connect the workpiece plate (9) and the mounting plate (7);

s6, after the U-shaped suspension loop in the electroplating pool (1) is electroplated, the lifting cylinder (15) contracts, the driving device (6) works, the U-shaped suspension loop which is electroplated is moved along the moving frame (4), and the rear workpiece plate (9) is moved to the position above the electroplating pool (1);

s7, powering off the electromagnetic plate on the mounting plate (7) which finishes electroplating, and taking down the U-shaped workpiece;

and S8, repeating S1-S7, and circularly electroplating the U-shaped hanging ring.

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