CN114737232A

CN114737232A - Nano metal particle material plating process and plating device

Info

Publication number: CN114737232A
Application number: CN202210561943.6A
Authority: CN
Inventors: 宋艺楠
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-05-23
Filing date: 2022-05-23
Publication date: 2022-07-12

Abstract

The invention relates to a plating process and a plating device for a nano metal particle material, wherein the plating device comprises a base, an electroplating pool is arranged on the base, a mounting frame is arranged on the base, a follow-up frame body is arranged on the mounting frame and connected with a power assembly arranged on the mounting frame, a through groove for conducting the inner side and the outer side of the follow-up frame body is arranged on the inner wall of the follow-up frame body, a convex block is arranged in the through groove and connected with a connecting frame body movably arranged in the follow-up frame body, a vibration assembly is arranged between the connecting frame body and the follow-up frame body and connected with the power assembly, a lifting plate is further sleeved in the connecting frame body and connected with a telescopic shaft penetrating through the connecting frame body, and the telescopic shaft is matched with guide plates symmetrically arranged on the mounting frame, the telescopic shaft is connected with the conduction assembly arranged on the base, so that better electroplating is realized, and energy is saved.

Description

Nano metal particle material plating process and plating device

Technical Field

The invention relates to the field of material treatment, in particular to a plating process and a plating device for a nano metal particle material.

Background

Nanometal materials are metals and alloys that form nanocrystals. Has the characteristics of large proportion of grain boundary, specific surface energy, surface atom proportion and the like. The particle size is reduced from 100nm to 5nm, the ratio of the surface energy to the total energy of the particles is increased from 0.8% to 14%, the proportion of grain boundaries is increased from 3% to 50%, the proportion of surface atoms is increased to 40%, and the proportion of surface atoms is increased to 80% when the particle size is 2 nm. The nano aluminum powder can improve the combustion efficiency; the fracture strength of the nanocrystalline of the steel containing 1.8 percent of C can reach 4800 MPa.

In the process of producing the nano metal material, in order to improve the strength and the corrosion resistance of the nano metal material, the surface of the nano metal material is often required to be plated, when the nano metal material is placed in an electroplating tank, bubbles are often attached to the surface of the nano metal material, and in the electroplating process, the plating effect of the nano metal material is reduced due to the existence of the bubbles, so that the strength and the corrosion resistance of the nano metal material are influenced.

Disclosure of Invention

An object of the present invention is to provide a process and an apparatus for plating a nano-sized metal particle material, which solve the problems of the background art mentioned above.

In order to achieve the purpose, the invention provides the following technical scheme:

a process for plating a nano-sized metal particle material, comprising the steps of:

the method comprises the following steps: taking a nano metal particle material, wiping dust on the surface of the nano metal particle material, removing an oxide layer on the surface of the nano metal particle material by using a grinding machine, and simultaneously carrying out homogenization treatment on the surface of the nano metal particle material to obtain an initial product;

step two: sequentially putting the primary product into an electrolytic degreasing tank, a water washing tank, a pickling tank and an ultrasonic cleaning tank, degreasing the primary product, and drying the degreased nano metal particle material to obtain an intermediate product;

step three: electroplating the intermediate product by using a plating device;

step four: and drying the electroplated nano metal particle material again, and packaging the nano metal particle material.

A plating apparatus comprising:

the electroplating device comprises a base, an electroplating pool is installed on the base, a mounting frame is arranged on the base, a follow-up frame body capable of moving along the length direction of the base is movably arranged on the mounting frame, the follow-up frame body is connected with a power assembly arranged on the mounting frame, a through groove for conducting the inside and the outside of the follow-up frame body is arranged on the inner wall of the follow-up frame body, a convex block is arranged in the through groove in a sliding manner, the convex block is fixedly connected with a connecting frame body movably arranged in the follow-up frame body, a vibration assembly is arranged between the connecting frame body and the follow-up frame body, the vibration assembly is connected with the power assembly, a lifting plate is further sleeved in the connecting frame body in a sliding manner, the lifting plate is connected with a telescopic shaft penetrating through the connecting frame body, the telescopic shaft is in sliding fit with a guide plate symmetrically arranged on the mounting frame so as to change the movement track of the telescopic shaft, the telescopic shaft is connected with a conduction assembly arranged on the base, and the conduction assembly enables the electroplating pool to be electrified when the motion track of the telescopic shaft changes.

As a further scheme of the invention: the power component includes that the symmetry rotates to be installed two drive wheels on the mounting bracket, two the cover is equipped with the drive belt on the drive wheel, and one of them drive wheel and fixed mounting are in drive arrangement's on the mounting bracket output shaft, the drive belt pass through the gomphosis structure with the follow-up framework is connected, drive arrangement's output shaft is still connected and is set up bevel gear group on the mounting bracket, bevel gear group passes through the belt and connects the vibration subassembly.

As a still further scheme of the invention: the embedded structure comprises an embedded part movably arranged on the mounting frame, a sliding groove is formed in the embedded part, the sliding groove is in sliding fit with a protrusion on the transmission belt, the embedded part is fixedly connected with the follow-up frame body, two sliding sleeves are symmetrically arranged on the embedded part, and the sliding sleeves are symmetrically arranged on the guide rod on the mounting frame in a sliding connection mode.

As a still further scheme of the invention: the vibration assembly comprises a cam which is rotatably installed on the follow-up frame body, the cam is abutted against a pulley, the pulley is rotatably installed on the lug on one side of the connecting frame body, the cam is connected with the belt through a follow-up structure, and the lug on the other side of the connecting frame body is connected with the follow-up frame body through an elastic structure.

As a still further scheme of the invention: the follow-up structure is installed including rotating the transfer line on the mounting bracket, the transfer line is installed with the rotation the last rotation sleeve sliding sleeve of follow-up framework registrates, just be provided with the stopper on the transfer line, the stopper is in with the setting spacing groove sliding fit on the rotation sleeve inner wall, rotate the sleeve with cam fixed connection.

As a still further scheme of the invention: the elastic structure comprises a vertical rod fixedly mounted on the follow-up frame body, the vertical rod is connected with a protruding portion on the lug in a sliding mode, a spring is sleeved on the vertical rod, one end of the spring is connected with the end portion of the vertical rod, and the other end of the spring is connected with the protruding portion.

As a still further scheme of the invention: the switch-on component includes that the symmetry sets up two risers on the base, be provided with on the riser and erect the groove, it is provided with the slider to erect the inslot and slide, install vertically horizontal pole with it on the slider, it is provided with the follow-up sleeve to slide on the horizontal pole, the same telescopic shaft fixed connection of follow-up sleeve, the slider with still be provided with connection structure between the riser, connection structure with electroplating bath electric connection.

As a still further scheme of the invention: the connecting structure comprises a moving contact which is arranged on the sliding block in a sliding mode, a second spring is sleeved on the moving contact, one end of the second spring is connected with the sliding block, the other end of the second spring is connected with the end portion of the moving contact, and a fixed contact which is matched with the moving contact to enable the electroplating pool to be electrified is further arranged on the vertical plate.

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

the invention has novel design, when plating, the dust and the oxide on the surface of the nano metal particle material are removed, and simultaneously the nano metal particle material is degreased, thereby avoiding that the impurities on the surface of the nano metal particle material influence the electroplating effect in the plating process and ensuring the electroplating quality;

meanwhile, after the surface treatment of the nano metal particle material is finished, the nano metal particle material is connected with the lifting plate, the lifting plate drives the nano metal particle material to move under the driving of the power assembly, meanwhile, under the action of the telescopic shaft and the guide plate, the nano metal particle material is deep into the electrolytic cell in the moving process, and in the process of the nanometer metal particle material telescopic electrolytic cell, the conducting component leads the electrolytic cell to be electrified, so as to carry out electroplating treatment on the nano metal particle material, the electroplating pool is powered off under the non-electroplating condition, the waste of electric power resources is reduced, and in the working process of the power assembly, it will order about the vibration subassembly action, drives nanometer metal particle material and takes place the vibration for the bubble attached to nanometer metal particle material surface separates with it, improves the electroplating effect, to sum up, this device has realized when saving electric power resource, has improved the plating effect to nanometer metal particle material.

Drawings

FIG. 1 is a schematic view of the structure of one embodiment of the plating apparatus.

FIG. 2 is a schematic diagram of the structure of the follow-up frame and the connection frame in one embodiment of the plating apparatus.

FIG. 3 is a schematic structural view of a connection frame and a lifting plate in an embodiment of a plating apparatus.

FIG. 4 is a schematic view of a still further angle of an embodiment of a plating apparatus.

FIG. 5 is a schematic diagram of the vibrating assembly in one embodiment of the plating apparatus.

FIG. 6 is a schematic diagram of a conductive element in an embodiment of a plating apparatus.

FIG. 7 is a schematic view of another embodiment of a plating apparatus.

FIG. 8 is a schematic view of a partial structure of a power module in an embodiment of a plating apparatus.

In the figure: 1. a base; 2. a mounting frame; 3. a drive device; 4. a driving wheel; 5. a transmission belt; 6. a protrusion; 7. an engaging member; 8. a chute; 9. a sliding sleeve; 10. a guide bar; 11. a follow-up frame body; 12. a through groove; 13. connecting the frame body; 14. a bump; 15. a pulley; 16. a cam; 17. rotating the sleeve; 18. a transmission rod; 19. a belt; 20. a bevel gear set; 21. erecting a rod; 22. a first spring; 23. a lifting plate; 24. a telescopic shaft; 25. a clamping plate; 26. a guide plate; 27. a follower sleeve; 28. a cross bar; 29. a vertical plate; 30. a slider; 31. a moving contact; 32. a second spring; 33. carrying out static contact; 34. and (4) an electroplating pool.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

In addition, an element described herein as being "secured to" or "disposed on" another element may be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a single embodiment.

In an embodiment of the present invention, a process for plating a nano metal particle material includes the following steps:

step three: electroplating the intermediate product by using a plating device;

Referring to fig. 1, 2, 7 and 8, a plating apparatus according to an embodiment of the present invention is further provided, including:

the electroplating device comprises a base 1, wherein an electroplating pool 34 is installed on the base 1, an installation frame 2 is arranged on the base 1, a follow-up frame body 11 capable of moving along the length direction of the base 1 is movably arranged on the installation frame 2, the follow-up frame body 11 is connected with a power assembly arranged on the installation frame 2, the power assembly comprises two driving wheels 4 which are symmetrically and rotatably installed on the installation frame 2, a driving belt 5 is sleeved on the two driving wheels 4, one driving wheel 4 is connected with an output shaft of a driving device 3 fixedly installed on the installation frame 2, the driving belt 5 is connected with the follow-up frame body 11 through an embedded structure, the embedded structure comprises an embedded part 7 movably arranged on the installation frame 2, a sliding groove 8 is formed in the embedded part 7, and the sliding groove 8 is in sliding fit with a protrusion 6 installed on the driving belt 5, the embedded part 7 is fixedly connected with the follow-up frame body 11, two sliding sleeves 9 are symmetrically arranged on the embedded part 7, and the sliding sleeves 9 are in sliding connection with guide rods 10 symmetrically arranged on the mounting rack 2;

the output shaft of the driving device 3 is further connected with a bevel gear set 20 arranged on the mounting frame 2, the bevel gear set 20 comprises a first bevel gear coaxially and fixedly connected with the output shaft of the driving device 3, and the first bevel gear is meshed with a second bevel gear rotatably arranged on the mounting frame 2.

When in use, after the nano metal particle material is fixed, the driving device 3 is controlled to work to drive the driving wheel 4 connected with the output shaft to rotate, the driving wheel 4 is sleeved with the driving belt 5, the driving belt 5 moves and drives the protrusion 6 connected with the driving belt to move, the protrusion 6 and the sliding chute 8 on the embedded part 7 are in a sliding connection state, so that the embedded part 7 moves in the moving process of the driving belt 5 and drives the nano metal particle material to move, and the driving belt 5 is divided into an upper layer and a lower layer, so that the nano metal particle material can realize reciprocating motion in the reciprocating motion of the driving belt 5, and further, when the device is produced, the requirements on the driving device 3 are less, the production cost of the device is reduced, the use cost of the device is reduced, and meanwhile, the sliding sleeves 9 are arranged at two ends of the embedded part 7, and the sliding sleeve 9 is connected with the guide rod 10 in a sliding manner, so that the embedded part 7 is more stable in the moving process, and the stability of the nano metal particle material is better in the moving process, thereby improving the plating effect.

Referring to fig. 1, 2, 4 and 5, a through groove 12 for communicating the inside and the outside of the follow-up frame 11 is disposed on the inner wall of the follow-up frame 11, a protrusion 14 is slidably disposed in the through groove 12, the protrusion 14 is fixedly connected to a connecting frame 13 movably disposed in the follow-up frame 11, a vibration component is disposed between the connecting frame 13 and the follow-up frame 11, the vibration component includes a cam 16 rotatably mounted on the follow-up frame 11, the cam 16 abuts against a pulley 15, the pulley 15 is rotatably mounted on the protrusion 14 on one side of the connecting frame 13, the cam 16 is connected to a belt 19 through a follow-up structure, the follow-up structure includes a transmission rod 18 rotatably mounted on the mounting frame 2 and connected to the second bevel gear through the belt 19, the transmission rod 18 is slidably sleeved on a rotating sleeve 17 rotatably mounted on the follow-up frame 11, a limiting block is arranged on the transmission rod 18, the limiting block is in sliding fit with a limiting groove arranged on the inner wall of the rotating sleeve 17, and the rotating sleeve 17 is fixedly connected with the cam 16;

connect framework 13 opposite side the lug 14 with follow-up framework 11 passes through the elastic construction and connects, the elastic construction includes fixed mounting and is in pole setting 21 on the follow-up framework 11, pole setting 21 with set up protruding portion sliding connection on the lug 14, just the cover is equipped with a spring 22 on the pole setting 21, a spring 22 one end with the end connection of pole setting 21, the other end with the protruding portion is connected.

When the driving device 3 works, the output shaft of the driving device drives the transmission rod 18 to rotate through the bevel gear set 20 and the belt 19, the transmission rod 18 drives the rotating sleeve 17 to rotate along with the rotating sleeve, and in the rotating process of the rotating sleeve 17, the cam 16 is driven to rotate, the cam 16 is always in a butting state with the pulley 15, and the connecting frame body 13 is elastically connected with the follow-up frame body 11 through the first spring 22, so that in the rotating process of the cam 16, when the part, in which the cam 16 is in butting connection with the pulley 15, is changed from the short shaft of the cam 16 into the long shaft of the cam 16, the pulley 15 is pushed outwards and drives the connecting frame body 13 to move, at the moment, the first spring 22 is compressed, and when the part, in which the cam 16 is in butting connection with the pulley 15, is changed from the long shaft of the cam 16 into the short shaft, the connecting frame body 13 moves in the reverse direction under the action of the first spring 22, and the transmission rod 18 is connected with the rotating sleeve 17 through the limiting block and the limiting groove, in the process that the follow-up frame body 11 drives the connecting frame body 13 to move, the connecting frame body 13 can vibrate relative to the follow-up frame body 11 and drive the nano metal particle material, so that bubbles attached to the surface of the connecting frame body can be separated from the nano metal particle material by vibration when the connecting frame body is electroplated in the electroplating pool 34, the plating effect on the surface of the nano metal particle material is improved, and compared with the existing plating device, the plating device has the advantages that the used power resource is smaller when the same electroplating effect is achieved, namely the device is more environment-friendly and is more suitable for popularization and use.

Referring to fig. 3 and 6, a lifting plate 23 is further slidably sleeved in the connecting frame body 13, a clamping plate 25 is arranged at the lower end of the lifting plate 23, the clamping plate 25 can be fixed with a nano metal particle material through a bolt, the lifting plate 23 is connected with a telescopic shaft 24 penetrating through the connecting frame body 13, and the telescopic shaft 24 is in sliding fit with guide plates 26 symmetrically arranged on the mounting frame 2 to change the motion track of the telescopic shaft 24;

the telescopic shaft 24 is connected with a conduction assembly arranged on the base 1, the conduction assembly comprises two vertical plates 29 symmetrically arranged on the base 1, vertical grooves are formed in the vertical plates 29, sliding blocks 30 are arranged in the vertical grooves in a sliding mode, transverse rods 28 perpendicular to the sliding blocks 30 are arranged on the sliding blocks 30, follow-up sleeves 27 are arranged on the transverse rods 28 in a sliding mode, and the follow-up sleeves 27 are fixedly connected with the telescopic shaft 24;

a connecting structure is further arranged between the sliding block 30 and the vertical plate 29, the connecting structure comprises a moving contact 31 which is arranged on the sliding block 30 in a sliding manner, a second spring 32 is sleeved on the moving contact 31, one end of the second spring 32 is connected with the sliding block 30, and the other end of the second spring is connected with the end part of the moving contact 31;

the vertical plate 29 is further provided with a fixed contact 33 which is matched with the movable contact 31 to electrify the electroplating pool 34.

When the following frame 11 moves, the connecting frame 13 drives the lifting plate 23 to move, the lifting plate 23 is connected with the telescopic shaft 24, and the telescopic shaft 24 is slidably disposed in the guide slot on the guide plate 26, wherein the guide slot includes five parts, which are respectively a first straight section, a second inclined section, a third straight section, a fourth inclined section, and a fifth straight section, and the tail of the first straight section is in smooth transition with the head of the second inclined section, the tail of the second inclined end is in smooth transition with the head of the third straight section, the tail of the third straight section is in smooth transition with the head of the fourth inclined section, and the tail of the fourth inclined section is in smooth transition with the head of the fifth straight section, and in an initial state, the telescopic shaft 24 is located at the head of the first straight section, and along with the movement, it will move from the second inclined section to the third straight section, at this time, the telescopic shaft 24 drives the lifting plate 23 to move downwards, and the nano-metal particle material is immersed in the electroplating solution in the electroplating bath 34, meanwhile, when the telescopic shaft 24 descends, the following sleeve 27 is driven to descend, the movable contact 31 is driven to move downwards through the cross rod 28 to be abutted against the fixed contact 33, and the electroplating pool 34 is electrified to electroplate the nano metal particle material.

Through the setting, make when the top that the nanometer metal particle material is in the plating solution, electroplating bath 34 does not energize this moment, and at the in-process that the nanometer metal particle material submerged electroplating bath 34, electroplating bath 34 circular telegram, electroplate the nanometer metal particle material, realize under the non-electroplating condition, electroplating bath 34 does not energize, saves the electric power resource, and under the electroplating condition, electroplating bath 34 circular telegram has guaranteed the normal clear of electroplating, avoids the waste of the energy simultaneously.

In summary, when the device is used, after the nano metal particle material is fixed, the driving device 3 is controlled to work to drive the driving wheel 4 connected with the output shaft thereof to rotate, the driving belt 5 is sleeved on the driving wheel 4 to drive the driving belt 5 to move and the protrusion 6 connected with the driving belt to move, the protrusion 6 is in sliding connection with the chute 8 of the embedded member 7, so that the embedded member 7 moves in the moving process of the driving belt 5 and drives the nano metal particle material to move, and the driving belt 5 is divided into an upper layer and a lower layer, so that the nano metal particle material can reciprocate in the reciprocating motion of the driving belt 5, and further, when the device is produced, the requirements on the driving device 3 are less, the production cost of the device is reduced, the use cost of the device is reduced, and meanwhile, the sliding sleeves 9 are arranged at both ends of the embedded member 7, the sliding sleeve 9 is connected with the guide rod 10 in a sliding manner, so that the embedded part 7 is more stable in the movement process, and the stability of the nano metal particle material is better in the movement process, so that the plating effect is improved;

when the driving device 3 works, the output shaft of the driving device drives the transmission rod 18 to rotate through the bevel gear set 20 and the belt 19, the transmission rod 18 drives the rotating sleeve 17 to rotate along with the rotating sleeve, and in the rotating process of the rotating sleeve 17, the cam 16 is driven to rotate, the cam 16 is always in a butting state with the pulley 15, and the connecting frame body 13 is elastically connected with the follow-up frame body 11 through the first spring 22, so that in the rotating process of the cam 16, when the part, in which the cam 16 is in butting connection with the pulley 15, is changed from the short shaft of the cam 16 into the long shaft of the cam 16, the pulley 15 is pushed outwards and drives the connecting frame body 13 to move, at the moment, the first spring 22 is compressed, and when the part, in which the cam 16 is in butting connection with the pulley 15, is changed from the long shaft of the cam 16 into the short shaft, the connecting frame body 13 moves in the reverse direction under the action of the first spring 22, and the transmission rod 18 is connected with the rotating sleeve 17 through the limiting block and the limiting groove, in the process that the follow-up frame body 11 drives the connecting frame body 13 to move, the connecting frame body 13 can vibrate relative to the follow-up frame body 11 and drive the nano metal particle material, so that bubbles attached to the surface of the connecting frame body can be separated from the nano metal particle material by vibration when the connecting frame body is electroplated in the electroplating pool 34, the plating effect on the surface of the nano metal particle material is improved, and compared with the existing plating device, the device has the advantages that the used power resource is smaller when the same electroplating effect is achieved, namely the device is more environment-friendly and is more suitable for popularization and use;

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 attributes 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.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A process for plating a nano-sized metal particle material, comprising the steps of:

step three: electroplating the intermediate product by using a plating device;

2. The plating apparatus according to claim 1, comprising:

the electroplating device comprises a base (1), wherein an electroplating pool (34) is installed on the base (1), an installation frame (2) is arranged on the base (1), a follow-up frame body (11) capable of moving along the length direction of the base (1) is movably arranged on the installation frame (2), and the follow-up frame body (11) is connected with a power assembly arranged on the installation frame (2);

a through groove (12) for conducting the inner side and the outer side of the follow-up frame body (11) is formed in the inner wall of the follow-up frame body (11), a lug (14) is arranged in the through groove (12) in a sliding mode, the lug (14) is fixedly connected with a connecting frame body (13) movably arranged in the follow-up frame body (11), a vibration assembly is arranged between the connecting frame body (13) and the follow-up frame body (11), and the vibration assembly is connected with the power assembly;

a lifting plate (23) is further slidably sleeved in the connecting frame body (13), the lifting plate (23) is connected with a telescopic shaft (24) penetrating through the connecting frame body (13), and the telescopic shaft (24) is in sliding fit with guide plates (26) symmetrically arranged on the mounting rack (2) so as to change the motion track of the telescopic shaft (24);

the telescopic shaft (24) is connected with a conduction assembly arranged on the base (1), and the conduction assembly enables the electroplating pool (34) to be electrified when the motion track of the telescopic shaft (24) changes.

3. A coating apparatus according to claim 2, wherein the power assembly comprises two driving wheels (4) symmetrically and rotatably mounted on the mounting frame (2), a driving belt (5) is sleeved on the two driving wheels (4), one of the driving wheels (4) is connected with an output shaft of a driving device (3) fixedly mounted on the mounting frame (2), and the driving belt (5) is connected with the follow-up frame body (11) through a jogged structure;

the output shaft of the driving device (3) is further connected with a bevel gear set (20) arranged on the mounting rack (2), and the bevel gear set (20) is connected with the vibration assembly through a belt (19).

4. A coating device according to claim 3, wherein the engaging structure comprises an engaging member (7) movably arranged on the mounting frame (2), the engaging member (7) is provided with a sliding groove (8), and the sliding groove (8) is in sliding fit with a protrusion (6) arranged on the transmission belt (5);

the embedded part (7) is fixedly connected with the follow-up frame body (11), two sliding sleeves (9) are symmetrically arranged on the embedded part (7), and the sliding sleeves (9) are in sliding connection with guide rods (10) symmetrically arranged on the mounting rack (2).

5. A coating apparatus according to claim 3, wherein said oscillating assembly comprises a cam (16) rotatably mounted on said follower frame (11), said cam (16) abutting against a pulley (15), said pulley (15) rotatably mounted on said projection (14) on one side of said connecting frame (13), and said cam (16) being connected to said belt (19) by a follower structure;

the convex block (14) on the other side of the connecting frame body (13) is connected with the follow-up frame body (11) through an elastic structure.

6. A coating device according to claim 5, wherein said follow-up structure comprises a transmission rod (18) rotatably mounted on said mounting frame (2), said transmission rod (18) being slidably fitted with a rotating sleeve (17) rotatably mounted on said follow-up frame (11), and said transmission rod (18) being provided with a stopper slidably fitted with a stopper groove provided on the inner wall of said rotating sleeve (17), said rotating sleeve (17) being fixedly connected to said cam (16).

7. A coating device according to claim 5, wherein said elastic structure comprises a vertical rod (21) fixedly mounted on said follower frame (11), said vertical rod (21) is slidably connected with a protrusion provided on said projection (14), and a first spring (22) is sleeved on said vertical rod (21), one end of said first spring (22) is connected with an end of said vertical rod (21), and the other end is connected with said protrusion.

8. A plating device according to claim 2, wherein the conducting assembly comprises two vertical plates (29) symmetrically arranged on the base (1), vertical grooves are formed in the vertical plates (29), sliding blocks (30) are arranged in the vertical grooves in a sliding manner, transverse rods (28) perpendicular to the sliding blocks (30) are arranged on the sliding blocks (30), follow-up sleeves (27) are arranged on the transverse rods (28) in a sliding manner, and the follow-up sleeves (27) are fixedly connected with the telescopic shafts (24);

a connecting structure is further arranged between the sliding block (30) and the vertical plate (29), and the connecting structure is electrically connected with the electroplating pool (34).

9. A coating device according to claim 8, wherein said connection structure comprises a movable contact (31) slidably mounted on said slide (30), said movable contact (31) being provided with a second spring (32), one end of said second spring (32) being connected to said slide (30) and the other end being connected to an end of said movable contact (31);

the vertical plate (29) is also provided with a static contact (33) which is matched with the moving contact (31) to electrify the electroplating pool (34).