CN115161749B

CN115161749B - A multilayer electronickel device for improving plating piece corrosion resistance

Info

Publication number: CN115161749B
Application number: CN202210895784.3A
Authority: CN
Inventors: 王双; 张波
Original assignee: Liangang Precision Technology China Co ltd
Current assignee: Liangang Precision Technology China Co ltd
Priority date: 2022-07-28
Filing date: 2022-07-28
Publication date: 2023-08-11
Anticipated expiration: 2042-07-28
Also published as: CN115161749A

Abstract

The invention discloses a multilayer nickel electroplating device for improving corrosion resistance of a plated part, and relates to the technical field of electroplating, wherein the multilayer nickel electroplating device comprises a support frame, an electroplating pool, a workpiece hanging frame and a lifting mechanism; the rotary groove is formed in the top of the support frame, a rotatable electroplating pool is arranged in the rotary groove, a driving motor is arranged at the bottom of the electroplating pool, the electroplating pool is driven to rotate by the driving motor, and a workpiece hanger is arranged in the electroplating pool by a lifting mechanism.

Description

A multilayer electronickel device for improving plating piece corrosion resistance

Technical Field

The invention relates to the technical field of electroplating, in particular to a multilayer nickel electroplating device for improving corrosion resistance of a plated part.

Background

Electroplating is a surface processing method for forming a plating layer by taking a plated base metal as a cathode and depositing cations of the pre-plated metal in the plating solution on the surface of the base metal through electrolysis, wherein during electroplating, the plating metal or other insoluble materials are taken as anodes, a workpiece to be plated is taken as the cathode, and the cations of the plating metal are reduced on the surface of the workpiece to be plated to form the plating layer, so that the corrosion resistance, the hardness and the abrasion resistance of the metal can be enhanced, and the conductivity, the smoothness, the heat resistance and the surface attractiveness are improved;

the prior nickel plating device has the following problems when nickel plating is carried out:

1. for multi-layer nickel plating, the nickel plating process of each layer is often required to be operated manually, the operation is complex, and the threat to the health of operators is easy to be caused;

2. usually, extra power is needed to take out the electroplated part from the electroplating bath, so that extra energy is wasted, and the energy is not saved and the environment is protected;

therefore, there is an urgent need for a multi-layered nickel plating apparatus for improving corrosion resistance of plated parts to solve the above-mentioned problems.

Disclosure of Invention

The invention aims to provide a multilayer nickel electroplating device for improving corrosion resistance of a plated part, which solves the problems in the prior art.

In order to achieve the above purpose, the present invention provides the following technical solutions: a multilayer nickel electroplating device for improving corrosion resistance of a plating piece comprises a support frame, an electroplating pool, a workpiece hanging frame and a lifting mechanism;

the rotary groove is formed in the top of the support frame, a rotatable electroplating pool is arranged in the rotary groove, a driving motor is arranged at the bottom of the electroplating pool, the electroplating pool is driven to rotate by the driving motor, and a workpiece hanging frame is arranged in the electroplating pool through a lifting mechanism.

As the preferred technical scheme, the rotary tank bottom is provided with the spacing groove, it is provided with a plurality of spacing seat that corresponds with spacing groove position to electroplate pond bottom, spacing ball is installed to spacing seat inside embedding, spacing ball moves in the spacing groove through the spacing effect of spacing seat, on the one hand, can utilize spacing seat and spacing ball to support electroplating pond, on the other hand, can reduce the frictional force between electroplating pond and the rotary tank for electroplating pond's rotation is more smooth and easy.

As a preferable technical scheme, a plurality of electroplating tanks are arranged in the electroplating tank;

the lifting mechanism comprises a fixing frame, a replacement cavity, a lifting table, a sliding groove, a sliding block, a traction rope and a driving mechanism;

the electroplating Chi Waice is provided with a fixing frame consistent with the number of electroplating baths, a replacement cavity is formed in the top of the fixing frame and used for providing space for feeding and discharging of plating pieces, a lifting table is arranged at the top end of the replacement cavity and used for lifting a workpiece hanging frame, the plating pieces on the workpiece hanging frame can be conveniently taken out and transferred to the next electroplating bath, a sliding groove is formed in the lifting table, a sliding block is arranged in the sliding groove in a sliding mode, and the workpiece hanging frame is fixedly installed below the sliding block and connected with a driving mechanism through a traction rope.

As the preferable technical scheme, the elevating platform slope sets up, the elevating platform extends to plating bath direction, elevating platform one end and change cavity top fixed connection, the other end is located the plating bath top.

As a preferable technical scheme, the fixing frame is arranged in a circular arc shape, a gap is formed between the fixing frame and the electroplating pool, and the distances of the gaps are equal;

the driving mechanism comprises a driving hook, an arc chute, an arc sliding block, an elastic hanging rope and a release mechanism;

the electroplating bath is characterized in that a driving hook is arranged on the outer side of the electroplating bath, an arc-shaped chute is formed in the middle of one side of the fixing frame, the arc-shaped chute and the driving hook are located on the same vertical plane, an arc-shaped sliding block is arranged in the arc-shaped chute in a sliding mode, the arc-shaped sliding block is connected with a sliding block through a traction rope, steering of the traction rope is achieved through a fixed pulley, an elastic hanging rope is arranged on one side of the arc-shaped sliding block, which is close to the electroplating bath, two ends of the fixing frame are provided with release mechanisms, the release mechanisms are used for releasing the fixing of the driving hook to the elastic hanging rope, the arc-shaped sliding block does not continue to slide, and a workpiece hanging frame can enter the electroplating bath of the next stage under the action of gravity to be electroplated.

As a preferable technical scheme, the release mechanism comprises a supporting plate and a release rod;

the support plate is all installed at the mount both ends, the support plate is close to one side middle part of electroplating pool and is provided with two and releases the pole, two the distance between the release pole is greater than the width of drive couple, drive couple passes from two release poles, release the pole towards the one end opening of arc slider, the other end and support plate fixed connection, the distance between release pole open end and the support plate is greater than the distance between the other end and the support plate.

As the preferable technical scheme, the supporting plate is arranged along the tangential direction of the fixing frame, so that the gap between the supporting plate and the electroplating pool is gradually increased, and the elastic hanging rope is more easily separated from the driving hook.

As the preferred technical scheme, a plurality of storage grooves are all formed in two sides of the sliding block, the rollers are mounted in the storage grooves, and the clamping phenomenon between the sliding block and the sliding groove can be avoided due to the installation of the rollers.

As the preferred technical scheme, the inside both sides of sliding tray are provided with a plurality of protruding gasbag, switch on each other between the protruding gasbag, and the gas volume in the protruding gasbag is less than the inflation total volume of protruding gasbag, and the purpose is in order to be when the sliding block slides downwards from the top of sliding tray, can play certain cushioning effect, makes it have certain damping effect, avoids the work piece stores pylon to slide in the twinkling of an eye and gets into in the electroplating bath, leads to plating piece to drop from the work piece stores pylon, and has avoided the splash of plating solution.

As a preferable technical scheme, an electroplating solution is placed in the electroplating tank, and an electroplating anode is also arranged in the electroplating tank;

the workpiece hanging frame comprises a supporting cross rod and a workpiece hanging rod;

the support cross rod is fixedly provided with a plurality of workpiece hanging rods, the workpiece hanging rods are fixedly provided with plating pieces, the support cross rod is powered on, and the support cross rod and the workpiece hanging rods are conductive, so that the plating pieces fixed on the workpiece hanging rods can be used as cathodes for nickel electroplating, and nickel electroplating operation is realized.

Compared with the prior art, the invention has the beneficial effects that:

1. the electroplating bath is provided with the lifting mechanism, the electroplating bath is driven to rotate by the driving motor, the elastic hanging rope is further fixed by the driving hook, the arc-shaped sliding block is driven to slide in the arc-shaped sliding groove, the sliding block can be driven to slide upwards in the lifting seat by the traction rope, the workpiece hanging frame fixed on the sliding block can be lifted from the electroplating bath, and the workpiece hanging frame convenient to fix a plating piece can enter the electroplating bath at the next stage for electroplating treatment.

2. The invention is provided with the release mechanism, so that when the arc-shaped sliding block slides to one end of the arc-shaped sliding groove, the release mechanism can be utilized to release the fixing of the driving hook to the elastic hanging rope, and further, the arc-shaped sliding block can return to the original position through the traction rope under the action of the gravity of the workpiece hanging frame, and at the moment, the workpiece hanging piece automatically falls into the electroplating bath of the next stage under the action of the gravity to carry out electroplating treatment of the next layer of the plating piece.

3. The invention is provided with the convex air bags, so that when the workpiece hanging frame slides downwards on the lifting table, the workpiece hanging frame has certain resistance, the workpiece hanging frame is prevented from directly falling into the electroplating bath to cause the splashing of the electroplating solution, and meanwhile, the plating piece on the workpiece hanging frame is prevented from falling under the heavy falling.

4. The invention is provided with the limit groove, the limit seat and the limit ball, so that the electroplating pool is more stable when rotating, and meanwhile, the electroplating pool can be supported to a certain extent, so that the electroplating pool is more stable.

Drawings

FIG. 1 is a schematic view showing the structure of a multi-layered nickel plating apparatus for improving corrosion resistance of a plated member according to the present invention;

FIG. 2 is a schematic view showing the structure of a support frame of a multi-layered nickel electroplating device for improving corrosion resistance of a plated member according to the present invention;

FIG. 3 is a schematic view showing the structure of a plating bath of a multi-layered nickel plating apparatus for improving corrosion resistance of a plated article according to the present invention;

FIG. 4 is a schematic view showing the structure of the bottom of the plating bath of the multi-layered nickel plating apparatus for improving the corrosion resistance of a plated member according to the present invention;

FIG. 5 is a schematic view showing the structure of a lifting mechanism of a multi-layered nickel plating apparatus for improving corrosion resistance of a plated member according to the present invention;

FIG. 6 is a schematic view showing the structure of the multilayer nickel plating apparatus for improving corrosion resistance of a plated member according to the present invention at the area A in FIG. 5;

FIG. 7 is a schematic drawing showing a traction mode of a traction rope of a multilayer nickel electroplating device for improving corrosion resistance of a plated member according to the present invention;

FIG. 8 is a schematic view showing the structure of a slider of a multi-layered nickel plating apparatus for improving corrosion resistance of a plated member according to the present invention;

FIG. 9 is a schematic view of the structure of the arcuate slider and the driving hooks of the multi-layered nickel plating apparatus for improving the corrosion resistance of a plated article according to the present invention;

FIG. 10 is a schematic view showing the structure of a release mechanism and a driving hook of a multi-layered nickel plating apparatus for improving corrosion resistance of a plated member according to the present invention;

FIG. 11 is a schematic view showing the structure of the inside of a sliding groove of a multi-layered nickel plating apparatus for improving corrosion resistance of a plated member according to the present invention.

Reference numerals in the drawings: 1. a support frame; 2. a rotary groove;

3. an electroplating pool; 301. plating bath;

4. a driving motor;

5. a workpiece hanger; 501. a support rail; 502. a workpiece hanging rod;

6. a lifting mechanism; 601. a fixing frame; 602. replacing the cavity; 603. a lifting table; 604. a sliding groove; 6041. a convex air bag; 605. a sliding block; 6051. a receiving groove; 6052. a roller; 606. a traction rope; 6071. driving the hook; 6072. an arc chute; 6073. an arc-shaped sliding block; 6074. an elastic hanging rope; 6075. a release mechanism; 60751. a support plate; 60752. a release lever;

7. a limit groove; 8. a limit seat; 9. and limiting the ball.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Examples: as shown in fig. 1 to 11, the present invention provides a multi-layered nickel plating apparatus for improving corrosion resistance of plated parts, the multi-layered nickel plating apparatus comprising a support frame 1, a plating bath 3, a workpiece hanger 5 and a lifting mechanism 6;

the rotary tank 2 has been seted up at support frame 1 top, rotary tank 2 internally mounted has rotatable electroplating tank 3, driving motor 4 is installed to electroplating tank 3 bottom, it is rotatory to drive electroplating tank 3 through driving motor 4, work piece stores pylon 5 is installed through elevating system 6 to electroplating tank 3 inside, take out work piece stores pylon 5 from electroplating tank 3 inside through elevating system 6, conveniently shift the plating piece on the work piece stores pylon 5 to the electroplating solution of next concentration in carry out the electronickel treatment, make can realize the multilayer electroplating operation to the plating piece.

The rotary tank 2 bottom is provided with spacing groove 7, and electroplating tank 3 bottom is provided with a plurality of spacing seat 8 that corresponds with spacing groove 7 position, and spacing ball 9 is installed to spacing seat 8 inside embedding, and spacing ball 9 moves in spacing groove 7 through spacing effect of spacing seat 8, on the one hand, can utilize spacing seat 8 and spacing ball 9 to support electroplating tank 3, on the other hand, can reduce the frictional force between electroplating tank 3 and the rotary tank 2 for electroplating tank 3's rotation is more smooth and easy.

A plurality of electroplating tanks 301 are arranged in the electroplating tank 3;

the lifting mechanism 6 comprises a fixed frame 601, a replacement cavity 602, a lifting table 603, a sliding groove 604, a sliding block 605, a traction rope 606 and a driving mechanism;

the fixed frame 601 consistent with the plating tank 301 in quantity is installed in the electroplating bath 3 outside, change cavity 602 has been seted up at the fixed frame 601 top, change cavity 602 is used for providing the space for the material loading and the unloading of plating piece, change cavity 602 top is provided with elevating platform 603, elevating platform 603 is used for going up and down to work piece stores pylon 5 for can take out the plating piece on the work piece stores pylon 5, conveniently shift the plating piece to next plating tank 301, sliding tray 604 has been seted up to elevating platform 603 inside, sliding tray 604 inside slides and is provided with slider 605, slider 605 below fixed mounting has work piece stores pylon 5, slider 605 is connected with actuating mechanism through haulage rope 606, actuating mechanism drives slider 605 through haulage rope 606, make can take out work piece stores pylon 5 from plating tank 301 through slider 605.

Lifting table 603 slope sets up, lifting table 603 extends to plating bath 301 direction, lifting table 603 one end and change cavity 602 top fixed connection, the other end is located plating bath 301 top for by the work piece stores pylon 5 that rises not directly be located plating bath 301 directly over, but be located plating bath 301's top one side, avoided the direct change of plating piece in plating bath 301 top of operating personnel, avoid the plating solution to cause threat to operating personnel's health, simultaneously, avoid appearing plating piece when hanging plating piece and drop the unexpected condition emergence in getting into plating bath 301.

The fixing frame 601 is arranged in a circular arc shape, a gap is formed between the fixing frame 601 and the electroplating tank 3, and the distances of the gaps are equal;

the driving mechanism comprises a driving hook 6071, an arc chute 6072, an arc slide block 6073, an elastic hanging rope 6074 and a releasing mechanism 6075;

the electroplating bath 3 outside is provided with drive couple 6071, the mount 601 is close to electroplating bath 3 one side middle part and has seted up arc spout 6072, arc spout 6072 is located same vertical plane with drive couple 6071, the inside slip of arc spout 6072 is provided with arc slider 6073, arc slider 6073 passes through haulage rope 606 and sliding block 605 are connected, the direction of haulage rope 606 is realized through the fixed pulley, arc slider 6073 is close to electroplating bath 3 one side and is provided with elasticity string 6074, when electroplating bath 3 takes place to rotate under driving motor 4, can drive couple 6071 and hang elasticity string 6074, and drive arc slider 6073 under elasticity string 6074 and slide in arc spout 6072 inside, and then drive sliding block 605 upwards slides in the inside of sliding tank 604 under the effect of haulage rope 606, take out work piece stores pylon 5 from plating bath 301 inside, the mount 601 both ends all are provided with release mechanism 6075, release mechanism 6075 is used for releasing the fixed of drive couple 6071 to elasticity string 6074, make arc slider 6073 not slide, make work piece stores pylon 5 can get into plating bath 301 under the effect of the next stage under the gravity.

The release mechanism 6075 includes a support plate 60751 and a release lever 60752;

the support plate 60751 is installed at both ends of the fixing frame 601, two release rods 60752 are arranged in the middle of one side of the support plate 60751, which is close to the electroplating bath 3, the distance between the two release rods 60752 is larger than the width of the drive hook 6071, the drive hook 6071 passes through the space between the two release rods 60752, the release rods 60752 are open towards one end of the arc-shaped sliding block 6073, the other end of the release rods 60752 is fixedly connected with the support plate 60751, the distance between the open end of the release rods 60752 and the support plate 60751 is larger than the distance between the other end of the release rods 60751, and the purpose is that when the drive hook 6071 fixed with the elastic hanging rope 6074 passes through the two release rods 60752, the elastic hanging rope 60752 can be removed from the drive hook 6071, normal rotation of the electroplating bath 3 is not affected, meanwhile, the workpiece hanging frame 5 can be lifted by contact, and the workpiece hanging frame 5 fixed with a plating piece can enter the electroplating bath 301 of the next stage to be subjected to electroplating treatment.

The support plate 60751 is disposed along the tangential direction of the fixing frame 601, so that the gap between the support plate 60751 and the plating tank 3 is gradually increased, and the elastic hanging rope 6074 is more easily detached from the driving hook 6071.

A plurality of accommodating grooves 6051 are formed in two sides of the sliding block 605, rollers 6052 are arranged in the accommodating grooves 6051, and the rollers 6052 are arranged to avoid clamping between the sliding block 605 and the sliding groove 604.

The inside both sides of sliding tray 604 are provided with a plurality of protruding gasbag 6041, switch on each other between protruding gasbag 6041, and the gas volume in protruding gasbag 6041 is less than protruding gasbag 6041's inflation total volume, and the purpose is in order to be when sliding block 605 down slides from the top of sliding tray 604, can play certain cushioning effect, makes it have certain damping effect, avoids work piece stores pylon 5 to slide in the moment and gets into electroplating bath 3, leads to the plated piece to drop from work piece stores pylon 5, and has avoided the splash of electroplating solution.

The electroplating bath 3 is internally provided with an electroplating liquid, and the electroplating bath 3 is internally provided with an electroplating anode;

the workpiece hanger 5 comprises a support cross bar 501 and a workpiece hanger bar 502;

a plurality of workpiece hanging rods 502 are fixedly mounted on the supporting cross rod 501, plating pieces are fixedly mounted on the workpiece hanging rods 502, the supporting cross rod 501 is powered on, and the supporting cross rod 501 and the workpiece hanging rods 502 are conductive, so that the plating pieces fixed on the workpiece hanging rods 502 can be used as cathodes for nickel electroplating, and nickel electroplating operation is achieved.

The working principle of the invention is as follows: when the multi-layer nickel plating device is used, plating solutions with different nickel ion concentrations, pH values and temperatures are respectively added into a plurality of different plating tanks 301 according to the actual requirements of nickel plating, the current in each plating tank 301 is controlled, a driving motor 4 is started, the driving motor 4 is used for driving the plating tank 3 to rotate for sixty degrees, an elastic hanging rope 6074 can be fixed through a driving hook 6071, an arc-shaped sliding block 6073 is moved to one end of the arc-shaped sliding groove 6072, at the moment, the arc-shaped sliding block 6073 is moved, under the action of a traction rope 606, a sliding block 605 is moved to the top end of the sliding groove 604, at the moment, a workpiece hanger 5 is lifted to a position for replacing a cavity 602, and at the moment, a plating piece needing nickel plating is fixed on a workpiece hanging rod 502;

in this case, the position right below the lifting table 603 is the boundary position of the two plating tanks 301, the plating tank 3 is driven to rotate by the driving motor 4 again, at this time, the driving hook 6071 is scratched from between the two release rods 60752, when the driving hook 6071 is scratched by the release rods 60752, the elastic hanging rope 6074 on the driving hook 6071 is taken down under the action of the release rods 60752, at this time, the driving hook 6071 does not exert an acting force on the elastic hanging rope 6074 any more, at this time, the workpiece hanging frame 5 at the other end of the pulling rope 606 slides towards the bottom end of the lifting table 603 under the action of gravity, the sliding block 605 is subjected to a certain blocking action in the process of sliding towards the bottom end of the sliding tank 604, the sliding of the sliding block 605 is delayed in the speed of sliding block 605 when the sliding block 605 passes through one of the convex air bags 6041, and only when the gas in the current convex air bag 6041 is extruded into other convex air bags 6041, the sliding block 605 continues to slide downwards, at this time, the workpiece hanging frame 5 at this time is rotated by the motor, the bottom end of the plating tank 603 slides towards the bottom end of the plating tank 603, and the plating tank 301 is driven by twenty-level 4, and the plating tank 301 is completely plated by the plating solution, and the plating tank 301 is completely rotated;

after the electroplating operation in the electroplating tank 301 is finished, the driving motor 4 is started again, so that the driving motor 4 drives the electroplating tank 3 to rotate, namely the elastic hanging rope 6074 is fixedly moved by the driving hook 6071 again, when the driving hook 6071 moves to one end of the arc-shaped chute 6072, the workpiece hanging frame 5 is lifted to the topmost end under the action of the traction rope 606, at the moment, the elastic hanging rope 6074 is fixed by the driving hook 6071 again by the releasing mechanism 6075, and the operation is repeated, so that the multilayer nickel plating operation on a plated part can be automatically completed;

after the plating piece finishes the multilayer nickel plating operation, the workpiece hanging frame 5 is lifted to the position of the replacement cavity 602, the plating piece on the workpiece hanging rod 502 is replaced, the workpiece is not required to be replaced right above the electroplating bath 301, the health of operators is ensured, and the accident that the plating piece falls into the electroplating bath 301 during fixing is avoided.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A multilayer nickel electroplating device for improving anticorrosive performance of plated piece, its characterized in that: the multilayer nickel electroplating device comprises a support frame (1), an electroplating pool (3), a workpiece hanging frame (5) and a lifting mechanism (6);

the top of the supporting frame (1) is provided with a rotary groove (2), a rotatable electroplating pool (3) is arranged in the rotary groove (2), a driving motor (4) is arranged at the bottom of the electroplating pool (3), and a workpiece hanging frame (5) is arranged in the electroplating pool (3) through a lifting mechanism (6);

the bottom of the rotary groove (2) is provided with a limit groove (7), the bottom of the electroplating tank (3) is provided with a plurality of limit seats (8) corresponding to the positions of the limit groove (7), limit balls (9) are embedded and installed in the limit seats (8), and the limit balls (9) move in the limit groove (7) under the limit action of the limit seats (8);

a plurality of electroplating tanks (301) are arranged in the electroplating tank (3);

the lifting mechanism (6) comprises a fixed frame (601), a replacement cavity (602), a lifting table (603), a sliding groove (604), a sliding block (605), a traction rope (606) and a driving mechanism;

the electroplating device comprises an electroplating tank (3), wherein fixing frames (601) with the same number as that of electroplating tanks (301) are arranged on the outer side of the electroplating tank (3), a replacement cavity (602) is formed in the top of the fixing frames (601), a lifting table (603) is arranged at the top end of the replacement cavity (602), a sliding groove (604) is formed in the lifting table (603), a sliding block (605) is arranged in the sliding groove (604) in a sliding mode, a workpiece hanging frame (5) is fixedly arranged below the sliding block (605), and the sliding block (605) is connected with a driving mechanism through a traction rope (606);

the driving mechanism comprises a driving hook (6071), an arc chute (6072), an arc sliding block (6073), an elastic hanging rope (6074) and a releasing mechanism (6075);

the electroplating device is characterized in that a driving hook (6071) is arranged on the outer side of the electroplating pool (3), an arc-shaped chute (6072) is formed in the middle of one side of the fixing frame (601) close to the electroplating pool (3), the arc-shaped chute (6072) and the driving hook (6071) are located on the same vertical plane, an arc-shaped sliding block (6073) is arranged in the arc-shaped chute (6072) in a sliding mode, the arc-shaped sliding block (6073) is connected with a sliding block (605) through a traction rope (606), steering of the traction rope (606) is achieved through a fixed pulley, an elastic hanging rope (6074) is arranged on one side of the arc-shaped sliding block (6073) close to the electroplating pool (3), and release mechanisms (6075) are arranged at two ends of the fixing frame (601);

the release mechanism (6075) includes a support plate (60751) and a release lever (60752);

support plate (60751) are all installed at mount (601) both ends, one side middle part that backup pad (60751) is close to electroplating bath (3) is provided with two and releases pole (60752), two the distance between release pole (60752) is greater than the width of drive couple (6071), drive couple (6071) pass between two release poles (60752), the one end opening of release pole (60752) orientation arc slider (6073), the other end and backup pad (60751) fixed connection, the distance between release pole (60752) open end and backup pad (60751) is greater than the distance between the other end and backup pad (60751).

2. A multi-layered nickel plating apparatus for improving corrosion resistance of a plated member according to claim 1, wherein: the lifting table (603) is obliquely arranged, the lifting table (603) extends towards the electroplating bath (301), one end of the lifting table (603) is fixedly connected with the top of the replacement cavity (602), and the other end of the lifting table is located above the electroplating bath (301).

3. A multi-layered nickel plating apparatus for improving corrosion resistance of a plated member according to claim 2, wherein: the fixing frame (601) is in an arc-shaped arrangement, a gap is formed between the fixing frame (601) and the electroplating tank (3), and the distances of the gaps are equal.

4. A multi-layered nickel plating apparatus for improving corrosion resistance of a plated member according to claim 3, wherein: the supporting plate (60751) is arranged along the tangential direction of the fixing frame (601).

5. A multi-layered nickel plating apparatus for improving corrosion resistance of a plated member according to claim 1, wherein: a plurality of accommodating grooves (6051) are formed in two sides of the sliding block (605), and rollers (6052) are arranged in the accommodating grooves (6051).

6. A multi-layered nickel plating apparatus for improving corrosion resistance of a plated member according to claim 5, wherein: the sliding groove (604) is internally provided with a plurality of raised air bags (6041) at two sides, the raised air bags (6041) are communicated with each other, and the gas volume in the raised air bags (6041) is smaller than the total expansion volume of the raised air bags (6041).

7. A multi-layered nickel plating apparatus for improving corrosion resistance of a plated member according to claim 1, wherein: an electroplating solution is placed in the electroplating tank (3), and an electroplating anode is also arranged in the electroplating tank (3);

the workpiece hanging frame (5) comprises a supporting cross rod (501) and a workpiece hanging rod (502);

the support cross rod (501) is fixedly provided with a plurality of workpiece hanging rods (502), the workpiece hanging rods (502) are fixedly provided with plating pieces, the support cross rod (501) is powered on, and the support cross rod (501) and the workpiece hanging rods (502) are conductive.