CN114411227B

CN114411227B - Electroplating equipment

Info

Publication number: CN114411227B
Application number: CN202210165484.XA
Authority: CN
Inventors: 匡优新; 匡泓
Original assignee: Wuxi Xingyi Intelligent Environment Equipment Co Ltd
Current assignee: Wuxi Xingyi Intelligent Environment Equipment Co Ltd
Priority date: 2022-02-18
Filing date: 2022-02-18
Publication date: 2023-09-05
Anticipated expiration: 2042-02-18
Also published as: CN114411227A

Abstract

The invention belongs to the technical field of electroplating, and discloses electroplating equipment which comprises a cross beam, a fixed hanging bracket, a movable hanging bracket, a driving mechanism and two clamping structures, wherein the fixed hanging bracket is fixedly connected to one end of the cross beam, the fixed hanging bracket and the movable hanging bracket are arranged at intervals along the horizontal direction, the movable hanging bracket can move relative to the cross beam, the driving mechanism can drive the movable hanging bracket to move relative to the cross beam, the two clamping structures are respectively arranged on the fixed hanging bracket and the movable hanging bracket, and the two clamping structures can respectively clamp two ends of a workpiece to be electroplated. The electroplating equipment can be used for attaching plating layers on the surfaces of horizontally suspended workpieces to be electroplated, and is suitable for the workpieces to be electroplated with different lengths.

Description

Electroplating equipment

Technical Field

The invention relates to the technical field of electroplating, in particular to electroplating equipment.

Background

The electroplating is a method for attaching a metal electroplated layer on the surface of a workpiece by an electrolysis principle, and has the effects of preventing the workpiece from being corroded and prolonging the service life of the workpiece. The electroplating process comprises the following steps: the metal of the metal electroplated layer is connected with the anode, the workpiece to be electroplated is connected with the cathode, the metal of the metal electroplated layer and the workpiece to be electroplated are placed in electroplating solution, the electroplating solution is a solution formed by taking the metal of the metal electroplated layer as positive ions, after a direct current power supply is connected, the metal of the metal electroplated layer of the anode is oxidized and loses electrons, the positive ions in the electroplating solution obtain electrons, and then the electrons are reduced into atoms at the cathode and accumulated on the surface of the workpiece to be electroplated. In general, a workpiece to be electroplated is vertically suspended in a plating tank and is entirely immersed in a plating solution for electroplating, and the vertical suspension mode is only suitable for shorter workpieces to be electroplated, and longer workpieces to be electroplated of several meters or even more than ten meters cannot be vertically suspended for electroplating. At present, a longer workpiece to be electroplated, such as a longer oil cylinder rod, needs to be horizontally hung on a cathode copper bar of a beam during chrome plating, and is immersed into electroplating liquid for electroplating. However, the existing electroplating equipment can only horizontally suspend the to-be-electroplated pieces with the same length in the plating tank, and cannot be applied to-be-electroplated pieces with different lengths.

Disclosure of Invention

The invention aims to provide electroplating equipment, which solves the problem that the existing electroplating equipment can only horizontally suspend to-be-electroplated parts with the same length in a plating tank and cannot be suitable for to-be-electroplated parts with different lengths.

To achieve the purpose, the invention adopts the following technical scheme:

an electroplating apparatus comprising:

a cross beam;

the fixed hanging bracket is fixedly connected to one end of the cross beam;

the movable hanging frame is arranged at intervals along the horizontal direction, and can move relative to the cross beam;

the driving mechanism can drive the movable hanger to move relative to the cross beam;

the two clamping structures are respectively arranged on the fixed hanging bracket and the movable hanging bracket, and can respectively clamp two ends of a workpiece to be electroplated.

As a preferable scheme of the electroplating equipment, the driving mechanism comprises a gear and a rack, the gear is rotationally arranged on the movable hanging bracket, the rack is fixedly arranged on the cross beam along the horizontal direction, and the gear is meshed and matched with the rack.

As a preferable scheme of the electroplating equipment, the driving mechanism further comprises a hand rocker, and the hand rocker is fixedly arranged on the gear.

As a preferable scheme of the electroplating equipment, the electroplating equipment further comprises a cathode copper bar, wherein the cathode copper bar is fixedly arranged on the cross beam, and the movable hanging frame and the fixed hanging frame are in contact with the cathode copper bar.

As a preferable mode of the electroplating equipment, the electroplating equipment further comprises a conductor, wherein the conductor is electrically connected with the cathode copper bar.

As a preferred scheme of above-mentioned electroplating device, remove the gallows and include gallows body and coupling assembling, gallows body one end is connected clamping structure, the other end is connected coupling assembling, coupling assembling includes first splint, second splint and retaining member, the one end of first splint with the one end of second splint respectively fixed connection in gallows body's both sides, the crossbeam with the negative pole copper bar is located between first splint and the second splint, first splint and/or the second splint with negative pole copper bar contact, the outer wall interval of retaining member is provided with first screw thread and second screw thread, first screw thread with the rotation direction of second screw thread is opposite, first screw thread with the second screw thread respectively with first splint with second splint spiro union.

As a preferable scheme of the electroplating equipment, the electroplating equipment further comprises a conductive roller, the conductive roller is rotatably connected with the movable hanging frame, the conductive roller rolls on the cathode copper bar, and the cross beam and the cathode copper bar are positioned between the conductive roller and the clamping structure.

As a preferable mode of the electroplating device, the clamping structure comprises a first clamping arm, a second clamping arm and a locking assembly, wherein any one of the first clamping arm and the second clamping arm is connected with the movable hanging bracket or the fixed hanging bracket, one end of the first clamping arm is rotatably connected with one end of the second clamping arm, the locking assembly can lock or unlock the other end of the first clamping arm and the other end of the second clamping arm, and when the locking assembly locks the other end of the first clamping arm and the other end of the second clamping arm, a containing cavity is formed between the first clamping arm and the second clamping arm, and a workpiece to be electroplated is arranged in the containing cavity in a penetrating mode.

As a preferable mode of the above plating apparatus, the lock assembly includes a rotation shaft, a bolt and a nut, the bolt is fixedly connected to the rotation shaft, the bolt is in screw connection with the nut, the rotation shaft is rotatably connected to one of the first clamp arm and the second clamp arm, the other of the first clamp arm and the second clamp arm is provided with a receiving groove, and when the rotation shaft rotates, the bolt enters or leaves the receiving groove; when the bolt enters the accommodating groove, the nut is abutted with the other one of the first clamping arm and the second clamping arm, and the nut and the rotating shaft are positioned at two ends of the accommodating groove.

As a preferable mode of the electroplating device, a first limiting structure is arranged on the inner wall of the first clamping arm and/or the second clamping arm, a second limiting structure is arranged on the workpiece to be electroplated, and the first limiting structure is configured to be matched with the second limiting structure so as to prevent the workpiece to be electroplated from being separated from the first clamping arm and/or the second clamping arm.

The invention has the beneficial effects that:

the invention provides electroplating equipment, wherein a fixed hanging bracket and a movable hanging bracket are arranged at intervals along the horizontal direction, and two clamping structures are respectively arranged on the fixed hanging bracket and the movable hanging bracket, so that a workpiece to be electroplated clamped by the two clamping structures can be horizontally hung. And the two clamping structures respectively clamp the two ends of the workpiece to be electroplated, so that the periphery of the workpiece to be electroplated is attached with an electroplated layer. The driving mechanism can drive the movable hanging frame to move relative to the cross beam, so that the distance between the movable hanging frame and the fixed hanging frame can be adjusted, and the electroplating equipment is applicable to workpieces to be electroplated with different lengths.

Drawings

FIG. 1 is a schematic view of an electroplating apparatus according to an embodiment of the present invention;

FIG. 2 is a schematic view of a part of the structure of an electroplating apparatus according to an embodiment of the present invention;

FIG. 3 is a schematic view of a mobile hanger in an electroplating apparatus according to an embodiment of the present invention;

fig. 4 is a schematic structural view of a clamping structure in an electroplating apparatus according to an embodiment of the present invention.

In the figure:

1. a workpiece to be electroplated;

2. a cross beam;

3. fixing the hanging frame;

4. moving the hanger; 41. a hanger body; 42. a connection assembly; 421. a first clamping plate; 422. a second clamping plate; 423. a locking member;

5. a clamping structure; 51. a first clamp arm; 52. a second clamp arm; 53. a locking assembly; 531. a rotating shaft; 532. a bolt; 533. a nut; 511. a protrusion; 521. a receiving groove;

61. a gear; 62. a rack; 63. a hand rocker;

7. cathode copper bars;

8. a conductive device;

9. a conductive roller;

10. and an auxiliary roller.

Detailed Description

The invention is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present invention are shown in the drawings.

In the description of the present invention, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.

In the present invention, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", and the like are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or element in question must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the invention. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.

The invention provides electroplating equipment, as shown in fig. 1 and 2, which comprises a cross beam 2, a fixed hanging bracket 3, a movable hanging bracket 4, a driving mechanism and two clamping structures 5, wherein the fixed hanging bracket 3 is fixedly connected to one end of the cross beam 2, the fixed hanging bracket 3 and the movable hanging bracket 4 are arranged at intervals along the horizontal direction, the movable hanging bracket 4 can move relative to the cross beam 2, the driving mechanism can drive the movable hanging bracket 4 to move relative to the cross beam 2, the two clamping structures 5 are respectively arranged on the fixed hanging bracket 3 and the movable hanging bracket 4, and the two clamping structures 5 can respectively clamp two ends of a workpiece 1 to be electroplated. In the electroplating equipment, two clamping structures 5 respectively clamp two ends of a workpiece 1 to be electroplated, and the whole periphery of the workpiece 1 to be electroplated can be contacted with electroplating liquid, so that the periphery of the workpiece 1 to be electroplated is provided with an electroplated layer. The fixed hanging frame 3 and the movable hanging frame 4 are arranged at intervals along the horizontal direction, and the two clamping structures 5 are respectively arranged on the fixed hanging frame 3 and the movable hanging frame 4, so that the workpiece 1 to be electroplated clamped by the two clamping structures 5 can be horizontally hung. The driving mechanism can drive the movable hanger 4 to move relative to the cross beam 2, so that the distance between the movable hanger 4 and the fixed hanger 3 can be adjusted, and it is understood that the distance between the movable hanger 4 and the fixed hanger 3 is adjusted according to the length of the workpiece 1 to be electroplated, so that the electroplating equipment is suitable for the workpieces 1 to be electroplated with different lengths.

Alternatively, as shown in fig. 1 and 2, the driving mechanism includes a gear 61 and a rack gear 62, the gear 61 is rotatably provided to the movable hanger 4, the rack gear 62 is fixedly provided to the cross member 2 in the horizontal direction, and the gear 61 is engaged with the rack gear 62. The gear 61 is rotated, the gear 61 is meshed with the rack 62, and since the rack 62 is fixed, the gear 61 moves relative to the rack 62 along the extending direction of the rack 62, the gear 61 drives the movable hanger 4 to move, the rack 62 extends along the horizontal direction and the cross beam 2 is fixedly arranged, and the movable hanger 4 can move relative to the cross beam 2 in the horizontal direction.

Optionally, as shown in fig. 3, the driving mechanism further includes a hand crank 63, and the hand crank 63 is fixedly disposed on the gear 61. The gear 61 is rotated by the hand rocker 63, so that the operation is convenient. Optionally, the electroplating device further comprises a cathode copper bar 7, the cathode copper bar 7 is fixedly arranged on the cross beam 2, and the movable hanging frame 4 and the fixed hanging frame 3 are in contact with the cathode copper bar 7. The current is conducted to the fixed hanger 3 and the movable hanger 4 through the cathode copper bar 7, then conducted to the clamping structure 5 through the fixed hanger 3 and the movable hanger 4, and conducted to the workpiece 1 to be electroplated through the clamping structure 5.

Optionally, as shown in fig. 1 and 2, the electroplating apparatus further comprises a conductive body 8, and the conductive body 8 is electrically connected to the cathode copper bar 7. The conductive device 8 is used for conducting the current of the direct current power supply to the cathode copper bar 7. Optionally, the electrical conductor 8 is fixedly connected to the plating tank.

Optionally, as shown in fig. 2 and 3, the mobile hanger 4 includes a hanger body 41 and a connection assembly 42, one end of the hanger body 41 is connected with the clamping structure 5, the other end is connected with the connection assembly 42, the connection assembly 42 includes a first clamping plate 421, a second clamping plate 422 and a locking member 423, one end of the first clamping plate 421 and one end of the second clamping plate 422 are respectively and fixedly connected to two sides of the hanger body 41, the cross beam 2 and the cathode copper bar 7 are located between the first clamping plate 421 and the second clamping plate 422, the first clamping plate 421 and/or the second clamping plate 422 are in contact with the cathode copper bar 7, a first thread and a second thread are arranged on an outer wall of the locking member 423 at intervals, rotation directions of the first thread and the second thread are opposite, and the first thread and the second thread are respectively screwed with the first clamping plate 421 and the second clamping plate 422. The connecting component 42 is used for connecting the hanger body 41 and the cross beam 2, one end of the first clamping plate 421 and one end of the second clamping plate 422 are respectively fixedly connected to two sides of the hanger body 41, the locking piece 423 is in threaded connection with the other end of the first clamping plate 421 and the other end of the second clamping plate 422, when the locking piece 423 rotates, the other end of the first clamping plate 421 and the other end of the second clamping plate 422 are close to or far away from each other, the cross beam 2 and the cathode copper bar 7 are located between the first clamping plate 421 and the second clamping plate 422, and therefore the distance between the first clamping plate 421 and the second clamping plate 422 can be adjusted through the locking piece 423, and the first clamping plate 421 and the second clamping plate 422 can be used for pressing or loosening the cross beam 2 and the cathode copper bar 7.

In this embodiment, the number of the cathode copper bars 7 is two, the two cathode copper bars 7 are respectively located at two sides of the beam 2, and the two cathode copper bars 7 are respectively contacted with the first clamping plate 421 and the second clamping plate 422.

Optionally, as shown in fig. 2 and 3, the electroplating apparatus further includes a conductive roller 9, the conductive roller 9 is rotatably connected to the movable hanger 4, the conductive roller 9 rolls on the cathode copper bar 7, and the beam 2 and the cathode copper bar 7 are located between the conductive roller 9 and the clamping structure 5. It will be appreciated that the conductive roller 9 is located above the beam 2 and the cathode copper bar 7 and the clamping structure 5 is located below the beam 2 and the cathode copper bar 7. When the gear 61 is rotated, the conductive roller 9 rolls on the cathode copper bar 7, so that the movable hanger 4 can be moved relative to the beam 2, and the movable hanger 4 can be prevented from being separated from the beam 2. The conductive roller 9 rolls on the cathode copper bar 7, so that the conductive roller 9 can be contacted with the cathode copper bar 7, and the current of the cathode copper bar 7 can be transmitted to the movable hanging frame 4 through the conductive roller 9.

In this embodiment, the conductive rollers 9 are disposed on the hanger body 41 of the movable hanger 4 and above the first clamping plate 421 and the second clamping plate 422, the number of the conductive rollers 9 is four, two conductive rollers 9 are disposed above the first clamping plate 421, and the two conductive rollers 9 roll above the cathode copper bar 7 contacting with the first clamping plate 421; two conductive rollers 9 are arranged above the second clamping plate 422, and the two conductive rollers roll above the cathode copper bar 7 contacted with the second clamping plate 422.

Optionally, as shown in fig. 2 and 3, the mobile hanger 4 is further provided with four auxiliary rollers 10, wherein two auxiliary rollers 10 are located at two sides of the first clamping plate 421 and each roll on the side surface of the cathode copper bar 7 in contact with the first clamping plate 421, and the other two auxiliary rollers 10 are located at two sides of the second clamping plate 422 and each roll on the side surface of the cathode copper bar 7 in contact with the second clamping plate 422. It will be appreciated that the conductive roller 9 and the auxiliary roller 10 are both made of conductive material. The auxiliary rollers 10 are arranged to assist the movement of the movable hanger 4 relative to the cross beam 2 and ensure that current is conducted from the cathode copper bar 7 to the movable hanger 4.

Alternatively, as shown in fig. 4, the clamping structure 5 includes a first clamping arm 51, a second clamping arm 52, and a locking assembly 53, either of the first clamping arm 51 and the second clamping arm 52 is connected to the movable hanger 4 or the fixed hanger 3, one end of the first clamping arm 51 is rotatably connected to one end of the second clamping arm 52, the locking assembly 53 can lock or unlock the other end of the first clamping arm 51 with the other end of the second clamping arm 52, and when the locking assembly 53 locks the other end of the first clamping arm 51 with the other end of the second clamping arm 52, a receiving cavity is formed between the first clamping arm 51 and the second clamping arm 52, and the workpiece 1 to be plated is penetrated in the receiving cavity. When the locking component 53 unlocks the other end of the first clamping arm 51 and the other end of the second clamping arm 52, the workpiece 1 to be electroplated can be placed in the first clamping arm 51 and the second clamping arm 52, and after the first clamping arm 51 or the second clamping arm 52 is rotated, the other end of the first clamping arm 51 and the other end of the second clamping arm 52 are locked by the locking component 53, so that the clamping structure 5 clamps the workpiece 1 to be electroplated. The clamping structure 5 is simple in structure and convenient to clamp the workpiece 1 to be electroplated.

Alternatively, as shown in fig. 4, the locking assembly 53 includes a rotation shaft 531, a bolt 532 and a nut 533, the bolt 532 is fixedly coupled to the rotation shaft 531, the bolt 532 is screw-coupled to the nut 533, the rotation shaft 531 is rotatably coupled to one of the first and second clamp arms 51 and 52, the other of the first and second clamp arms 51 and 52 is provided with the receiving groove 521, and the bolt 532 is introduced into or withdrawn from the receiving groove 521 when the rotation shaft 531 is rotated; when the bolt 532 enters the accommodation groove 521, the nut 533 abuts against the other of the first clamp arm 51 and the second clamp arm 52, and the nut 533 and the rotation shaft 531 are located at both ends of the accommodation groove 521. When the first and second clamp arms 51 and 52 are to be unlocked, the screw bolt 532 can be pulled out of the accommodating groove 521 while the screw nut 533 is screwed to the screw bolt 532, and at this time, the rotation shaft 531 rotates, the screw bolt 532 is separated from the accommodating groove 521, and the first and second clamp arms 51 and 52 are unlocked; when the first arm 51 and the second arm 52 are to be locked, the bolt 532 is pushed into the accommodation groove 521, the nut 533 abuts against the other of the first arm 51 and the second arm 52 after the bolt 532 enters the accommodation groove 521, the nut 533 and the rotation shaft 531 are positioned at both ends of the accommodation groove 521, and the first arm 51 and the second arm 52 are locked. The locking component 53 with the structure can prevent parts from being lost when the first clamping arm 51 and the second clamping arm 52 are unlocked, the nut 533 is arranged on the bolt 532, the bolt 532 is arranged on the first clamping arm 51 or the second clamping arm 52, and the rotating shaft 531 only needs to be rotated when the first clamping arm 51 and the second clamping arm 52 are unlocked or locked, the nut 533 does not need to be frequently screwed, and the operation is convenient and quick.

Optionally, as shown in fig. 4, the inner wall of the first clamping arm 51 and/or the second clamping arm 52 is provided with a first limiting structure, and the workpiece 1 to be electroplated is provided with a second limiting structure, and the first limiting structure is configured to cooperate with the second limiting structure to prevent the workpiece 1 to be electroplated from separating from the first clamping arm 51 and/or the second clamping arm 52. In this embodiment, the first limiting structure is a protrusion 511, the second limiting structure is a groove, the groove is disposed on the circumferential surface of the workpiece 1 to be electroplated, the protrusion 511 can be inserted into the groove, and when the workpiece 1 to be electroplated is placed on the first clamping arm 51 or the second clamping arm 52, the protrusion 511 on the first clamping arm 51 or the second clamping arm 52 is inserted into the groove on the circumferential surface of the workpiece 1 to be electroplated, and at this time, the workpiece 1 to be electroplated can not move along the axial direction any more, so that the workpiece cannot be separated from the clamping structure 5. Further alternatively, the grooves are annular grooves, the first clamping arm 51 and the second clamping arm 52 are provided with protrusions 511, a plurality of protrusions 511 which are arranged at intervals along the circumferential direction can be respectively arranged on the first clamping arm 51 and the second clamping arm 52, and semi-annular protrusions can also be respectively arranged on the first clamping arm 51 and the second clamping arm 52.

It is to be understood that the above examples of the present invention are provided for clarity of illustration only and are not limiting of the embodiments of the present invention. Various obvious changes, rearrangements and substitutions can be made by those skilled in the art without departing from the scope of the invention. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the invention are desired to be protected by the following claims.

Claims

1. An electroplating apparatus, comprising:

a cross beam (2);

the fixed hanging bracket (3), the fixed hanging bracket (3) is fixedly connected to one end of the cross beam (2);

the movable hanging frame (4), the fixed hanging frame (3) and the movable hanging frame (4) are arranged at intervals along the horizontal direction, and the movable hanging frame (4) can move relative to the cross beam (2);

the driving mechanism can drive the movable hanging bracket (4) to move relative to the cross beam (2);

the two clamping structures (5) are respectively arranged on the fixed hanging bracket (3) and the movable hanging bracket (4), and the two clamping structures (5) can respectively clamp the two ends of the workpiece (1) to be electroplated;

the driving mechanism comprises a gear (61) and a rack (62), the gear (61) is rotatably arranged on the movable hanging bracket (4), the rack (62) is fixedly arranged on the cross beam (2) along the horizontal direction, and the gear (61) is meshed with the rack (62);

remove gallows (4) including gallows body (41) and coupling assembling (42), gallows body (41) one end is connected clamping structure (5), the other end is connected coupling assembling (42), coupling assembling (42) include first splint (421), second splint (422) and retaining member (423), the one end of first splint (421) with the one end of second splint (422) respectively fixed connection in gallows body (41) both sides, crossbeam (2) and negative pole copper bar (7) are located between first splint (421) and second splint (422), first splint (421) and/or second splint (422) with negative pole copper bar (7) contact, the outer wall interval of retaining member (423) is provided with first screw thread and second screw thread, first screw thread with the direction of rotation of second screw thread is opposite, first screw thread with second screw thread respectively with first splint (421) and second splint (422) spiro union.

2. Electroplating apparatus according to claim 1, wherein the drive mechanism further comprises a hand lever (63), the hand lever (63) being fixedly arranged to the gear (61).

3. Electroplating apparatus according to claim 1, wherein the cathode copper bar (7) is fixedly arranged to the cross beam (2), the movable hanger (4) and the fixed hanger (3) both being in contact with the cathode copper bar (7).

4. A plating apparatus according to claim 3, further comprising a conductive element (8), said conductive element (8) being electrically connected to said cathode copper bar (7).

5. A plating apparatus according to claim 3, further comprising a conductive roller (9), said conductive roller (9) being rotatably connected to said movable hanger (4), said conductive roller (9) rolling on said cathode copper bar (7), said beam (2) and said cathode copper bar (7) being located between said conductive roller (9) and said clamping structure (5).

6. Electroplating apparatus according to claim 1, characterized in that the clamping structure (5) comprises a first clamping arm (51), a second clamping arm (52) and a locking assembly (53), wherein either one of the first clamping arm (51) and the second clamping arm (52) is connected with the movable hanger (4) or the fixed hanger (3), one end of the first clamping arm (51) is rotatably connected with one end of the second clamping arm (52), the locking assembly (53) can lock or unlock the other end of the first clamping arm (51) and the other end of the second clamping arm (52), and a containing cavity is formed between the first clamping arm (51) and the second clamping arm (52) when the locking assembly (53) locks the other end of the first clamping arm (51) and the other end of the second clamping arm (52), and the workpiece (1) to be electroplated is arranged in the containing cavity in a penetrating manner.

7. The plating apparatus according to claim 6, wherein the locking assembly (53) includes a rotation shaft (531), a bolt (532), and a nut (533), the bolt (532) is fixedly connected to the rotation shaft (531), the bolt (532) is screwed with the nut (533), the rotation shaft (531) is rotatably connected to one of the first clamp arm (51) and the second clamp arm (52), the other of the first clamp arm (51) and the second clamp arm (52) is provided with a receiving groove (521), and when the rotation shaft (531) rotates, the bolt (532) enters or leaves the receiving groove (521); when the bolt (532) enters the accommodating groove (521), the nut (533) abuts against the other of the first clamp arm (51) and the second clamp arm (52), and the nut (533) and the rotation shaft (531) are located at both ends of the accommodating groove (521).

8. Electroplating apparatus according to claim 6, characterized in that the inner wall of the first clamping arm (51) and/or the second clamping arm (52) is provided with a first limit structure, the workpiece (1) to be electroplated is provided with a second limit structure, the first limit structure is configured to cooperate with the second limit structure to prevent the workpiece (1) to be electroplated from being separated from the first clamping arm (51) and/or the second clamping arm (52).