CN114411227A

CN114411227A - Electroplating equipment

Info

Publication number: CN114411227A
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: 2022-04-29
Anticipated expiration: 2042-02-18
Also published as: CN114411227B

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 attach the plating layer on the surface of the workpiece to be electroplated which is horizontally suspended, and is suitable for 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

Electroplating is a method of attaching a metal electroplated layer on the surface of a workpiece by an electrolysis principle, and can play a role in 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 the electroplating solution, the electroplating solution uses the metal of the metal electroplated layer as positive ions to form solution, after the direct-current power supply is switched on, the metal of the metal electroplated layer of the anode can be oxidized and lose electrons, and the positive ions in the electroplating solution obtain electrons, and then are reduced into atoms at the cathode and accumulated on the surface of the workpiece to be electroplated. Usually, the workpiece to be electroplated is vertically suspended in the plating tank and is completely immersed in the plating solution for electroplating, and the vertical suspension mode is only suitable for short workpieces to be electroplated, and long workpieces to be electroplated with the length of several meters or even tens of meters can not be vertically suspended for electroplating. At present, a long workpiece to be electroplated, such as a long oil cylinder rod, needs to be horizontally hung on a cathode copper bar of a cross beam during chromium plating and is immersed in electroplating solution for electroplating. However, the existing electroplating equipment can only horizontally suspend the pieces to be electroplated with the same length in the plating tank, and cannot be applied to the pieces to be electroplated with different lengths.

Disclosure of Invention

The invention aims to provide electroplating equipment to solve the problem that the existing electroplating equipment can only horizontally suspend an article to be electroplated with the same length in a plating tank and cannot be suitable for articles to be electroplated with different lengths.

In order 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 fixed hanging frame and the movable hanging frame are arranged at intervals along the horizontal direction, and the movable hanging frame 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 can respectively clamp two ends of a workpiece to be electroplated.

As a preferable scheme of the electroplating apparatus, the driving mechanism includes a gear and a rack, the gear is rotatably disposed on the movable hanger, the rack is fixedly disposed on the cross beam along the horizontal direction, and the gear is engaged with the rack.

As a preferred scheme of the above electroplating device, the driving mechanism further comprises a hand lever, and the hand lever 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 bracket and the fixed hanging bracket are both in contact with the cathode copper bar.

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

As an optimal scheme of the above electroplating device, the movable hanger comprises a hanger body and a connecting assembly, one end of the hanger body is connected with the clamping structure, the other end of the hanger body is connected with the connecting assembly, the connecting assembly comprises a first clamping plate, a second clamping plate and a locking piece, one end of the first clamping plate and one end of the second clamping plate are respectively and fixedly connected with two sides of the hanger body, the cross beam and the cathode copper bar are located between the first clamping plate and the second clamping plate, the first clamping plate and/or the second clamping plate are in contact with the cathode copper bar, first threads and second threads are arranged on the outer wall of the locking piece at intervals, the rotation directions of the first threads and the second threads are opposite, and the first threads and the second threads are respectively in threaded connection with the first clamping plate and the second clamping plate.

As a preferable scheme of the electroplating device, the electroplating device further comprises a conductive roller, the conductive roller is rotatably connected to the movable hanging bracket, the conductive roller rolls on the cathode copper bar, and the beam and the cathode copper bar are located between the conductive roller and the clamping structure.

As a preferable scheme of the above electroplating apparatus, the clamping structure includes a first clamping arm, a second clamping arm, and a locking component, either one of the first clamping arm and the second clamping arm is connected to the mobile hanger or the fixed hanger, one end of the first clamping arm is rotatably connected to one end of the second clamping arm, the locking component can lock or unlock the other end of the first clamping arm and the other end of the second clamping arm, when the locking component locks the other end of the first clamping arm and the other end of the second clamping arm, an accommodating cavity is formed between the first clamping arm and the second clamping arm, and the workpiece to be electroplated is inserted into the accommodating cavity.

As a preferable scheme of the electroplating apparatus, the locking assembly includes a rotating shaft, a bolt and a nut, the bolt is fixedly connected to the rotating shaft, the bolt is in threaded connection with the nut, the rotating shaft is rotatably connected to one of the first clamping arm and the second clamping arm, the other of the first clamping arm and the second clamping arm is provided with a receiving groove, and when the rotating shaft rotates, the bolt enters or leaves the receiving groove; when the bolt enters the accommodating groove, the nut is abutted to the other of the first clamping arm and the second clamping arm, and the nut and the rotating shaft are located at two ends of the accommodating groove.

As a preferable scheme of the electroplating apparatus, an inner wall of the first clamping arm and/or the second clamping arm is provided with a first limiting structure, the workpiece to be electroplated is provided with a second limiting structure, and the first limiting structure is configured to be capable of cooperating with the second limiting structure to prevent the workpiece to be electroplated from separating 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 two ends of the workpiece to be electroplated, so that electroplated layers are attached to the circumferential surface of the workpiece to be electroplated. The driving mechanism can drive the movable hanging bracket to move relative to the cross beam, and the distance between the movable hanging bracket and the fixed hanging bracket can be adjusted, so that the electroplating equipment is suitable for workpieces to be electroplated with different lengths.

Drawings

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

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

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

fig. 4 is a schematic structural diagram 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 hanger;

4. moving the hanger; 41. a hanger body; 42. a connecting assembly; 421. a first splint; 422. a second splint; 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. accommodating grooves;

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

7. cathode copper bar;

8. a conductive device;

9. a conductive roller;

10. and (5) auxiliary rollers.

Detailed Description

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

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", and the like are used in the orientation or positional relationship shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

The invention provides electroplating equipment, as shown in figures 1 and 2, the electroplating equipment 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, so that the peripheral surface of the workpiece 1 to be electroplated is completely contacted with electroplating solution, and electroplating layers are attached to the peripheral surface of the workpiece 1 to be electroplated. The fixed hanging bracket 3 and the movable hanging bracket 4 are arranged at intervals along the horizontal direction, and the two clamping structures 5 are respectively arranged on the fixed hanging bracket 3 and the movable hanging bracket 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, the distance between the movable hanger 4 and the fixed hanger 3 can be adjusted, and it can be understood that the distance between the movable hanger 4 and the fixed hanger 3 can be adjusted according to the length of the workpiece 1 to be electroplated, so that the electroplating equipment is suitable for 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 62, the gear 61 is rotatably disposed on the mobile hanger 4, the rack 62 is fixedly disposed on the beam 2 along the horizontal direction, and the gear 61 is engaged with the rack 62. The gear 61 is rotated, the gear 61 is meshed with the rack 62, 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 is fixedly provided with the beam 2, and then the movable hanger 4 can move relative to the beam 2 in the horizontal direction.

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

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

Optionally, as shown in fig. 2 and 3, the movable hanger 4 includes a hanger body 41 and a connecting assembly 42, the clamping structure 5 is connected to one end of the hanger body 41, the other end is connected to the connecting assembly 42, the connecting 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, the outer wall of the locking member 423 is provided with a first thread and a second thread at intervals, the 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. Coupling assembling 42 is used for connecting gallows body 41 and crossbeam 2, the one end of first splint 421 and the one end of second splint 422 fixed connection respectively in the both sides of gallows body 41, retaining member 423 and the other end of first splint 421 and the other end spiro union of second splint 422, when retaining member 423 is rotatory, the other end of first splint 421 and the other end of second splint 422 are close to each other or keep away from, crossbeam 2 and negative pole copper bar 7 are located between first splint 421 and the second splint 422, thereby can adjust the distance between first splint 421 and the second splint 422 through retaining member 423, make first splint 421 and second splint 422 compress tightly or loosen crossbeam 2 and negative pole 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 in contact with the first clamping plate 421 and the second clamping plate 422.

Optionally, as shown in fig. 2 and fig. 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 can be understood 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 move relative to the beam 2, and the movable hanger 4 can be prevented from being separated from the beam 2. Electrically conductive gyro wheel 9 rolls in negative pole copper bar 7 and can guarantee electrically conductive gyro wheel 9 and the contact of negative pole copper bar 7, and the electric current of negative pole copper bar 7 can also be transmitted to removal gallows 4 through electrically conductive gyro wheel 9.

In this embodiment, the conductive rollers 9 are disposed on the hanger body 41 of the mobile hanger 4 and located 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 near the upper part of the second clamping plate 422, and roll above the cathode copper bar 7 contacted with the second clamping plate 422.

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

Optionally, 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 one of the first clamping arm 51 and the second clamping arm 52 is connected to the mobile 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 and the other end of 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, an accommodating cavity is formed between the first clamping arm 51 and the second clamping arm 52, and the workpiece 1 to be plated is inserted into the accommodating cavity. When the locking assembly 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 plated can be placed in the first clamping arm 51 and the second clamping arm 52, and then the locking assembly 53 is used to lock the other end of the first clamping arm 51 and the other end of the second clamping arm 52 after the first clamping arm 51 or the second clamping arm 52 is rotated, so that the workpiece 1 to be plated can be clamped by the clamping structure 5. The clamping structure 5 is simple in structure and is convenient for clamping the workpiece 1 to be electroplated.

Alternatively, as shown in fig. 4, the locking assembly 53 includes a rotating shaft 531, a bolt 532 and a nut 533, the bolt 532 is fixedly connected to the rotating shaft 531, the bolt 532 is screwed with the nut 533, the rotating shaft 531 is rotatably connected to one of the first clamping arm 51 and the second clamping arm 52, the other of the first clamping arm 51 and the second clamping arm 52 is provided with a receiving slot 521, and when the rotating shaft 531 rotates, the bolt 532 enters or leaves the receiving slot 521; when the bolt 532 enters the receiving groove 521, the nut 533 abuts against the other of the first clip arm 51 and the second clip arm 52, and the nut 533 and the rotating shaft 531 are located at two ends of the receiving groove 521. The state that the nut 533 is screwed with the bolt 532 can be maintained, when the first clamping arm 51 and the second clamping arm 52 are to be unlocked, the bolt 532 can be pulled out of the accommodating groove 521, at this time, the rotating shaft 531 rotates, the bolt 532 is separated from the accommodating groove 521, and the first clamping arm 51 and the second clamping arm 52 are unlocked; when the first clip arm 51 and the second clip arm 52 are to be locked, the bolt 532 is pushed into the receiving slot 521, after the bolt 532 enters the receiving slot 521, the nut 533 abuts against the other of the first clip arm 51 and the second clip arm 52, the nut 533 and the rotating shaft 531 are located at two ends of the receiving slot 521, and the first clip arm 51 and the second clip arm 52 are locked. The locking assembly 53 with the above structure is characterized in that when the first clamping arm 51 and the second clamping arm 52 are unlocked, the nut 533 is still arranged on the bolt 532, the bolt 532 is still arranged on the first clamping arm 51 or the second clamping arm 52, and the parts can be prevented from being lost.

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 be capable of cooperating with the second limiting 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. In this embodiment, the first limiting structure is a protrusion 511, the second limiting structure is a groove, the groove is disposed on the peripheral surface of the workpiece 1 to be electroplated, the protrusion 511 can be inserted into the groove, 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 peripheral surface of the workpiece 1 to be electroplated, at this time, the workpiece 1 to be electroplated can not move axially any more, and thus the workpiece 1 cannot be separated from the clamping structure 5. Further optionally, the groove is an annular groove, the first clamping arm 51 and the second clamping arm 52 are both provided with protrusions 511, a plurality of protrusions 511 arranged at intervals along the circumferential direction may be respectively arranged on the first clamping arm 51 and the second clamping arm 52, or semi-annular protrusions may be respectively arranged on the first clamping arm 51 and the second clamping arm 52.

It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, adaptations and substitutions will occur to those skilled in the art without departing from the scope of the invention. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. An electroplating apparatus, comprising:

a cross beam (2);

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

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);

a driving mechanism which can drive the movable hanger (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.

2. The plating apparatus as recited in claim 1, wherein the driving mechanism comprises a gear (61) and a rack (62), the gear (61) is rotatably disposed on the mobile hanger (4), the rack (62) is fixedly disposed on the cross beam (2) along a horizontal direction, and the gear (61) is engaged with the rack (62).

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

4. The electroplating apparatus according to claim 1, further comprising a cathode copper bar (7), wherein the cathode copper bar (7) is fixedly arranged on the cross beam (2), and the movable hanger (4) and the fixed hanger (3) are both in contact with the cathode copper bar (7).

5. Electroplating apparatus according to claim 4, further comprising a current conductor (8), the current conductor (8) being electrically connected to the cathode copper bar (7).

6. The electroplating apparatus according to claim 4, wherein the movable hanger (4) comprises a hanger body (41) and a connecting assembly (42), one end of the hanger body (41) is connected with the clamping structure (5), the other end of the hanger body is connected with the connecting assembly (42), the connecting assembly (42) comprises 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 with two sides of the hanger body (41), the cross beam (2) and the cathode copper bar (7) are positioned 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), the outer wall of the locking member (423) is provided with a first thread and a second thread at intervals, the first thread and the second thread are opposite in rotation direction, and are threadedly coupled with the first clamping plate (421) and the second clamping plate (422), respectively.

7. The electroplating apparatus according to claim 4, further comprising a conductive roller (9), wherein the conductive roller (9) is rotatably connected to the mobile 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).

8. Electroplating apparatus according to claim 1, wherein the clamping structure (5) comprises a first clamping arm (51), a second clamping arm (52) and a locking assembly (53), either one of the first and second clip arms (51, 52) is connected with the moving 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), 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), an accommodating cavity is formed between the first clamping arm (51) and the second clamping arm (52), and the workpiece (1) to be electroplated is arranged in the accommodating cavity in a penetrating mode.

9. The electroplating apparatus according to claim 8, wherein the locking assembly (53) comprises a rotating shaft (531), a bolt (532) and a nut (533), the bolt (532) is fixedly connected to the rotating shaft (531), the bolt (532) is in threaded connection with the nut (533), the rotating shaft (531) is rotatably connected to one of the first clamping arm (51) and the second clamping arm (52), the other of the first clamping arm (51) and the second clamping arm (52) is provided with a receiving groove (521), and the bolt (532) enters or leaves the receiving groove (521) when the rotating shaft (531) rotates; when the bolt (532) enters the accommodating groove (521), the nut (533) abuts against the other of the first clamping arm (51) and the second clamping arm (52), and the nut (533) and the rotating shaft (531) are located at two ends of the accommodating groove (521).

10. Electroplating apparatus according to claim 8, characterized in that the inner walls of the first gripper arm (51) and/or the second gripper arm (52) are provided with a first stop structure, and the workpiece (1) to be electroplated is provided with a second stop structure, the first stop structure being configured to be able to cooperate with the second stop structure to prevent the workpiece (1) to be electroplated from disengaging from the first gripper arm (51) and/or the second gripper arm (52).