CN112626580B

CN112626580B - Electroplating repair equipment for side wall of plastic mold cavity

Info

Publication number: CN112626580B
Application number: CN202110044672.2A
Authority: CN
Inventors: 王萍
Original assignee: Nanyang Xingguang Technology Co ltd
Current assignee: Nanyang Xingguang Technology Co ltd
Priority date: 2021-01-13
Filing date: 2021-01-13
Publication date: 2022-09-16
Anticipated expiration: 2041-01-13
Also published as: CN112626580A

Abstract

The invention relates to the field of plastic molds, in particular to electroplating repair equipment for a side wall of a cavity of a plastic mold, which comprises a machine body and an electrode arranged in the machine body, a first transmission cavity positioned at the right side of the electrode is arranged in the machine body, a base is arranged at the lower side of the machine body, the top wall of the base is fixedly provided with a fixed magnetic suction base which can adsorb and fix the plastic mould, the electroplating repair equipment for the side wall of the cavity of the plastic mould can automatically carry out electroplating repair operation on the inner wall of the cavity of the plastic mould, therefore, various cracks and grooves generated in the operation process are repaired, the integrity of the plastic mold cavity is guaranteed, production and utilization can be continued, defective products are reduced, financial resources for replacing the mold are saved, the device can perform complete repair on corners in the repairing process, and the efficiency is high.

Description

Electroplating repair equipment for side wall of plastic mold cavity

Technical Field

The invention relates to the field of plastic molds, in particular to electroplating repair equipment for a side wall of a cavity of a plastic mold.

Background

The plastic mould is used as an important part for plastic production and manufacturing, the flatness of the outer surface of the plastic mould influences the smoothness degree of a plastic product after molding, but in the past, when the plastic product is subjected to stripping operation, the plastic product is difficult to separate from the mould, hard objects are adopted to draw out the plastic product, the inner wall of a cavity of the mould is damaged in the process, the next production is influenced, the inner wall of the cavity needs to be repaired, and therefore, the electroplating repair equipment for the side wall of the cavity of the plastic mould is needed to be designed, and the existing problems are solved.

Disclosure of Invention

The invention aims to provide electroplating repair equipment for the side wall of a plastic mould cavity, which can overcome the defects in the prior art, thereby improving the practicability of the equipment.

The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to electroplating repair equipment for a plastic mould cavity side wall, which comprises a machine body and an electrode arranged in the machine body, wherein a first transmission cavity positioned on the right side of the electrode is arranged in the machine body, a base is arranged on the lower side of the machine body, a fixed magnetic suction base is fixedly arranged on the top wall of the base and can be used for adsorbing and fixing a plastic mould, lifting devices are arranged in the first transmission cavity and between the machine body and the base and can drive the machine body to lift, a rotary table is arranged on the bottom wall of the machine body in a rotating manner, an incomplete gear is fixedly arranged on the outer surface of the rotary table, an expansion table is fixedly arranged on the bottom wall of the rotary table, an expansion device is arranged in the expansion table and comprises a second transmission cavity arranged in the expansion table, and a motor is fixedly arranged on the right end wall of the expansion table, the telescopic table is internally provided with a third transmission cavity which is positioned on the left side of the second transmission cavity and has an opening at the left side and the lower side, an output shaft of the motor extends leftwards to penetrate through the second transmission cavity to the left end wall of the third transmission cavity, the circumferential surface of the inner wall of the second transmission cavity is fixedly provided with an inclined block, the outer surface of the output shaft is provided with a spline shaft which is positioned in the second transmission cavity and extends into the third transmission cavity in a spline fit manner, the outer surface of the spline shaft is vertically and symmetrically fixedly provided with a cantilever positioned in the second transmission cavity, a spring inside the cantilever is connected with a centrifugal spring block which can slide and extend to the outer side of the cantilever, the end surface of the centrifugal spring block positioned outside the cantilever is fixedly provided with a rolling ball, the ball is always contacted with the inclined block, and when the output shaft drives the spline shaft to rotate, the centrifugal spring block slides outwards under the action of centrifugal force, the cooperation the inclination of sloping block makes the cantilever drives the integral key shaft moves to the left, the fixed bevel gear that is located of integral key shaft left end, the integral key shaft surface rotates and is provided with and is located in the third transmission intracavity the sleeve on first bevel gear right side, the fixed surface of sleeve is provided with downwardly extending to the fixed connecting rod of flexible platform downside, the fixed surface of fixed connecting rod bottom is provided with and is located the processing platform of flexible platform downside, the inside electroplating device that is provided with of processing platform, electroplating device is used for electroplating the operation to the mould die cavity.

Further, elevating gear is including fixed setting up the pedestal roof just is located the gas pole on base right side is inhaled to fixed magnetism, the inside upper and lower slip of gas pole is provided with upwards extend to the piston rod of gas pole upside, the fixed block that is provided with in piston rod top, the fixed threaded sleeve that is provided with in fixed block left end, first transmission chamber roof rotates and is provided with and is located revolving stage right side downwardly extending extremely first pivot on incomplete gear right side, first pivot lower extreme fixed be provided with incomplete gear intermittent type meshing's first gear, first pivot external surface is fixed be provided with and is located the first band pulley of first transmission intracavity, first transmission chamber roof rotates and is provided with and is located first pivot right side downwardly extending extends to the second pivot of organism downside, second pivot external surface is fixed be provided with and is located in the first transmission intracavity through first belt with the cooperation of first band pulley is connected The bottom end of the second rotating shaft is fixedly provided with a threaded rod matched with the threaded sleeve, and the second rotating shaft drives the threaded rod to rotate, so that the machine body can move up and down under the action of the threaded sleeve.

Further, the electroplating device comprises the processing table and a fourth transmission cavity arranged inside the processing table, the top wall of the fourth transmission cavity is rotatably provided with a third rotating shaft extending into the third transmission cavity, a second bevel gear which is always meshed with the first bevel gear is fixedly arranged at the top end of the third rotating shaft, a third bevel gear positioned in the fourth transmission cavity is fixedly arranged at the bottom end of the third rotating shaft, a second gear positioned on the upper side of the third bevel gear in the fourth transmission cavity is fixedly arranged on the outer surface of the third rotating shaft, the upper end wall and the lower end wall of the fourth transmission cavity are rotatably provided with first wheel shafts which are symmetrically positioned at the front side and the rear side of the third rotating shaft, a third gear which is positioned in the fourth transmission cavity and is meshed with the second gear is fixedly arranged on the outer surface of the first wheel shaft, and a third belt wheel positioned on the lower side of the third gear is fixedly arranged on the outer surface of the first wheel shaft.

Further, electroplating device still includes that the horizontal slip sets up processing platform left end wall extends right and runs through fourth transmission chamber extremely the fifth pivot on processing platform right side, fourth transmission chamber right-hand member wall rotates and is provided with the cover and entangles the screw sleeve axle of fifth pivot, the screw sleeve axle left end fixed be provided with third bevel gear engaged with fourth bevel gear, the fifth pivot surface be provided with local screw with screw sleeve axle inner wall cooperation, the fixed limiting plate that is located processing platform right side that is provided with of fifth pivot right-hand member, when the screw sleeve axle rotates drive under the effect of screw the fifth pivot is removed about.

Furthermore, the electroplating device also comprises a fixed frame fixedly arranged on the left end wall of the processing table and used for sheathing the fifth rotating shaft, the front and back of the outer surface of the fixed frame are symmetrically and fixedly provided with a bracket, the left end of the bracket is rotatably provided with a second wheel shaft, the outer surface of the second wheel shaft is fixedly provided with two friction wheels which are vertically symmetrical, the outer surface of the second wheel shaft is fixedly provided with a fourth belt wheel positioned between the friction wheels, the fourth belt wheel is matched and connected with the third belt wheel through a second belt, the inner part of the fifth rotating shaft is provided with a spring rod which extends to the outside of the fifth rotating shaft leftwards in a spring connection manner, the spring rod can slide leftwards and rightwards in the fifth rotating shaft, the left end of the spring rod is fixedly provided with a fixed plate positioned between the front friction wheel and the back friction wheels, the left end wall of the fixed plate is fixedly provided with an electroplating block, and the electroplating block is communicated with the electrode through a lead, and when the electroplating block contacts the inner wall of the cavity, electroplating operation is carried out on the electroplating block.

The invention has the beneficial effects that: the electroplating repair equipment for the side wall of the plastic mould cavity can automatically carry out electroplating repair operation on the inner wall of the plastic mould cavity, thereby carrying out repair operation on various cracks and grooves generated in the operation process, ensuring the integrity of the plastic mould cavity, being capable of continuously producing and utilizing, reducing the generation of defective products, saving the financial resources for replacing the mould, and being capable of carrying out complete repair on corners in the repair process and having high efficiency.

Drawings

In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic view of the overall structure of the electroplating repair equipment for the side wall of the plastic mold cavity.

Fig. 2 is a schematic view of the structure a-a in fig. 1.

Fig. 3 is a schematic diagram of the structure B-B in fig. 2.

Fig. 4 is a schematic diagram of the structure C-C in fig. 2.

Fig. 5 is a partially enlarged schematic view of D in fig. 1.

Detailed Description

The invention will now be described in detail with reference to fig. 1-5, wherein for ease of description the orientations described hereinafter are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

Referring to fig. 1-5, an electroplating repair apparatus for a sidewall of a plastic mold cavity comprises a machine body 10 and an electrode 12 disposed inside the machine body 10, wherein a first transmission cavity 17 disposed at the right side of the electrode 12 is disposed inside the machine body 10, a base 28 is disposed at the lower side of the machine body 10, a fixed magnetic attraction base 29 is fixedly disposed on the top wall of the base 28, the fixed magnetic attraction base 29 can fix the plastic mold in an adsorption manner, a lifting device 71 is disposed inside the first transmission cavity 17 and between the machine body 10 and the base 28, the lifting device 71 can drive the machine body 10 to lift, a rotary table 14 is rotatably disposed on the bottom wall of the machine body 10, an incomplete gear 15 is fixedly disposed on the outer surface of the rotary table 14, a telescopic table 30 is fixedly disposed on the bottom wall of the rotary table 14, a telescopic device 72 is disposed inside the telescopic table 30, and the telescopic device 72 includes a second transmission cavity 33 disposed inside the telescopic table 30, the right end wall of the telescopic table 30 is fixedly provided with a motor 11, the telescopic table 30 is internally provided with a third transmission cavity 31 which is positioned at the left side of the second transmission cavity 33 and is provided with openings at the left side and the lower side, an output shaft 34 of the motor 11 extends leftwards to penetrate through the second transmission cavity 33 to the left end wall of the third transmission cavity 31, the circumferential surface of the inner wall of the second transmission cavity 33 is fixedly provided with an inclined block 35, the outer surface of the output shaft 34 is provided with a spline shaft 36 which is positioned in the second transmission cavity 33 and extends into the third transmission cavity 31 in a spline fit manner, the outer surface of the spline shaft 36 is vertically and symmetrically and fixedly provided with a cantilever 62 positioned in the second transmission cavity 33, the inner part of the cantilever 62 is provided with a centrifugal spring block 63 which can slide and extend to the outer side of the cantilever 62 in a spring connection manner, and the end surface of the centrifugal spring block 63 positioned outside the cantilever 62 is fixedly provided with a rolling ball 65, the rolling ball 65 is always in contact with the inclined block 35, when the output shaft 34 drives the spline shaft 36 to rotate, the centrifugal spring block 63 slides outwards under the action of centrifugal force, the cantilever 62 drives the spline shaft 36 to move left by matching with the inclination of the inclined block 35, the left end of the spline shaft 36 is fixedly provided with a first bevel gear 38 positioned in the third transmission cavity 31, the spline shaft 36 is provided with a sleeve 37 on the outer surface thereof to the right of the first bevel gear 38 in the third transmission chamber 31, the outer surface of the sleeve 37 is fixedly provided with a fixed connecting rod 66 extending down to the underside of the telescopic table 30, the bottom end of the fixed connecting rod 66 is fixedly provided with a processing table 41 positioned at the lower side of the telescopic table 30, the processing table 41 is internally provided with a plating device 73, and the plating device 73 is used for performing plating operation on the mold cavity.

Beneficially, the lifting device 71 includes an air rod 27 fixedly disposed on the top wall of the base 28 and located on the right side of the fixed magnetic attraction base 29, a piston rod 26 extending upward to the upper side of the air rod 27 is slidably disposed inside the air rod 27, a fixed block 25 is fixedly disposed at the top end of the piston rod 26, a threaded sleeve 24 is fixedly disposed at the left end of the fixed block 25, a first rotating shaft 18 located on the right side of the rotating table 14 and extending downward to the right side of the incomplete gear 15 is rotatably disposed on the top wall of the first transmission cavity 17, a first gear 16 intermittently meshed with the incomplete gear 15 is fixedly disposed at the lower end of the first rotating shaft 18, a first pulley 19 located in the first transmission cavity 17 is fixedly disposed on the outer surface of the first rotating shaft 18, a second rotating shaft 22 located on the right side of the first rotating shaft 18 and extending downward to the lower side of the machine body 10 is rotatably disposed on the top wall of the first transmission cavity 17, the outer fixed surface of second pivot 22 is provided with and is located in first transmission cavity 17 through first belt 20 with second band pulley 21 that first band pulley 19 cooperation is connected, second pivot 22 bottom mounting be provided with threaded rod 23 of threaded sleeve 24 complex, second pivot 22 drives when threaded rod 23 rotates, organism 10 is in can reciprocate under the effect of threaded sleeve 24.

Advantageously, the electroplating device 73 comprises the processing table 41 and a fourth transmission cavity 42 arranged inside the processing table 41, a third rotating shaft 40 extending into the third transmission cavity 31 is rotatably arranged on the top wall of the fourth transmission cavity 42, a second bevel gear 39 constantly engaged with the first bevel gear 38 is fixedly arranged at the top end of the third rotating shaft 40, a third bevel gear 43 located in the fourth transmission cavity 42 is fixedly arranged at the bottom end of the third rotating shaft 40, a second gear 44 located on the upper side of the third bevel gear 43 in the fourth transmission cavity 42 is fixedly arranged on the outer surface of the third rotating shaft 40, first wheel shafts 59 symmetrically located on the front and rear sides of the third rotating shaft 40 are rotatably arranged on the upper and lower end walls of the fourth transmission cavity 42, and a third gear 61 engaged with the second gear 44 located in the fourth transmission cavity 42 is fixedly arranged on the outer surface of the first wheel shafts 59, a third pulley 60 is fixedly arranged on the outer surface of the first axle 59 and positioned below the third gear 61.

Advantageously, the electroplating device 73 further comprises a fifth rotating shaft 48 which is slidably arranged left and right on the left end wall of the processing table 41 and extends through the fourth transmission cavity 42 to the right side of the processing table 41, a threaded sleeve shaft 46 which sleeves the fifth rotating shaft 48 is rotatably arranged on the right end wall of the fourth transmission cavity 42, a fourth bevel gear 45 which is meshed with the third bevel gear 43 is fixedly arranged on the left end of the threaded sleeve shaft 46, partial threads 47 are arranged on the outer surface of the fifth rotating shaft 48 and are matched with the inner wall of the threaded sleeve shaft 46, a limiting plate 49 which is positioned on the right side of the processing table 41 is fixedly arranged on the right end of the fifth rotating shaft 48, and the fifth rotating shaft 48 is driven to move left and right by the threads 47 when the threaded sleeve shaft 46 rotates.

Advantageously, the electroplating device 73 further comprises a fixed frame 50 fixedly arranged on the left end wall of the processing table 41 and sheathing the fifth rotating shaft 48, the fixed frame 50 is fixedly provided with brackets 51 in a front-back symmetrical manner on the outer surface, the left end of the bracket 51 is rotatably provided with a second wheel shaft 56, the outer surface of the second wheel shaft 56 is fixedly provided with two friction wheels 55 in a vertical symmetrical manner, the outer surface of the second wheel shaft 56 is fixedly provided with a fourth belt pulley 57 positioned between the friction wheels 55, the fourth belt pulley 57 is in fit connection with the third belt pulley 60 through a second belt 58, the fifth rotating shaft 48 is internally provided with a spring rod 52 extending to the left outside the fifth rotating shaft 48 in a spring connection manner, the spring rod 52 can slide in the fifth rotating shaft 48 from left to right, the left end of the spring rod 52 is fixedly provided with a fixed plate 54 positioned between the front-back friction wheels 55, the left end wall of the fixed plate 54 is fixedly provided with an electroplating block 53, the electroplating block 53 is communicated with the electrode 12 through a lead 13, and electroplating operation is carried out on the electroplating block 53 when the electroplating block is contacted with the inner wall of the cavity.

The fixing and connecting method in this embodiment includes, but is not limited to, bolting, welding, and the like.

Sequence of mechanical actions of the whole device:

when the device works, the air rod 27 is controlled to enable the piston rod 26 to move upwards to drive the machine body 10 to move upwards, after a plastic mould is placed on the fixed magnetic suction base 29 to be sucked and fixed, the fixed magnetic suction base 29 is connected with the cathode of the electrode 12, then the air rod 27 is controlled to enable the piston rod 26 to move downwards to drive the machine body 10 to move downwards so that the electroplating block 53 falls into a cavity of the plastic mould, the bottom end of the electroplating block 53 is contacted with the bottom wall of the cavity, the motor 11 is started to drive the output shaft 34 to rotate so as to drive the spline shaft 36 to rotate so as to drive the cantilever 62 to rotate, the centrifugal spring block 63 slides outwards under the action of centrifugal force, the cantilever 62 drives the spline shaft 36 to move leftwards by matching with the inclination of the inclined block 35 so as to drive the sleeve 37 to move leftwards so as to drive the fixed connecting rod 66 to move leftwards, thereby moving the processing table 41 to the left, the spline shaft 36 rotates to drive the first bevel gear 38 to rotate, thereby driving the second bevel gear 39 to rotate, thereby driving the third rotating shaft 40 to rotate, thereby driving the third bevel gear 43 to rotate, thereby driving the fourth bevel gear 45 to rotate, thereby driving the threaded sleeve shaft 46 to rotate, thereby driving the fifth rotating shaft 48 to the left, and the friction wheel 55 contacts the inner wall of the cavity in cooperation with the left movement of the processing table 41, and the plating block 53 is always attached to the inner wall of the cavity, and the third rotating shaft 40 also drives the second gear 44 to rotate, thereby driving the third gear 61 to rotate, thereby driving the first wheel shaft 59 to rotate, thereby driving the third belt wheel 60 to rotate, thereby driving the fourth belt wheel 57 to rotate, thereby driving the second wheel shaft 56 to rotate, thereby driving the friction wheel 55 to rotate, so that the friction wheel 55 drives the electroplating block 53 to move to make a circular motion along the inner wall of the cavity, thereby driving the telescopic table 30 to make a circular motion around the rotary table 14, thereby driving the rotary table 14 to rotate, thereby driving the incomplete gear 15 to rotate, wherein each rotation of the incomplete gear 15 and the first gear 16 are meshed once, and when meshed, the incomplete gear 16 is driven to rotate, thereby the first rotary shaft 18 is driven to rotate, thereby the first belt wheel 19 is driven to rotate, thereby the first belt 20 is driven to rotate, thereby the second belt wheel 21 is driven to rotate, thereby the second rotary shaft 22 is driven to rotate, thereby the threaded rod 23 is driven to rotate, thereby the machine body 10 is driven to move upwards for a distance, so that the electroplating block 53 continues to perform electroplating repair on a repair area, and each rotation of the rotary table 14, the machine body 10 drives the machine body 10 to move upwards for a certain distance under the action of the threaded rod 23 until the repair is completed.

The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a plastics mould die cavity lateral wall electroplates repair equipment, includes the organism and sets up the inside electrode of organism, its characterized in that: a first transmission cavity positioned at the right side of the electrode is arranged in the machine body, a base is arranged at the lower side of the machine body, a fixed magnetic suction base is fixedly arranged on the top wall of the base and can suck and fix a plastic mould, a lifting device is arranged in the first transmission cavity and between the machine body and the base and can drive the machine body to lift, a rotary table is rotatably arranged on the bottom wall of the machine body, an incomplete gear is fixedly arranged on the outer surface of the rotary table, a telescopic table is fixedly arranged on the bottom wall of the rotary table, a telescopic device is arranged in the telescopic table and comprises a second transmission cavity arranged in the telescopic table, a motor is fixedly arranged on the right end wall of the telescopic table, a third transmission cavity which is positioned at the left side of the second transmission cavity and is provided with an opening at the left side and the lower side is arranged in the telescopic table, an output shaft of the motor extends leftwards to penetrate through the second transmission cavity to the left end wall of the third transmission cavity, an inclined block is fixedly arranged on the circumferential surface of the inner wall of the second transmission cavity, a spline shaft which is positioned in the second transmission cavity and extends into the third transmission cavity is arranged on the outer surface of the output shaft in a spline fit mode, cantilevers which are positioned in the second transmission cavity are fixedly arranged on the outer surface of the spline shaft in an up-and-down symmetrical mode, a centrifugal spring block which can slide and extend to the outer side of the cantilever is arranged in the cantilever in a spring connection mode, rolling balls are fixedly arranged on the end face, positioned outside the cantilever, of the centrifugal spring block, the balls are in constant contact with the inclined block, when the output shaft drives the spline shaft to rotate, the centrifugal spring block slides outwards under the action of centrifugal force, and the cantilever drives the spline shaft to move leftwards by matching with the inclination of the inclined block, a first bevel gear positioned in the third transmission cavity is fixedly arranged at the left end of the spline shaft, a sleeve positioned at the right side of the first bevel gear in the third transmission cavity is rotatably arranged on the outer surface of the spline shaft, a fixed connecting rod extending downwards to the lower side of the telescopic table is fixedly arranged on the outer surface of the sleeve, a processing table positioned at the lower side of the telescopic table is fixedly arranged at the bottom end of the fixed connecting rod, an electroplating device is arranged in the processing table, and the electroplating device is used for electroplating the die cavity; the lifting device comprises a gas rod fixedly arranged on the top wall of the base and positioned on the right side of the fixed magnetic suction base, a piston rod extending upwards to the upper side of the gas rod is arranged in the gas rod in a vertically sliding mode, a fixed block is fixedly arranged at the top end of the piston rod, a threaded sleeve is fixedly arranged at the left end of the fixed block, a first rotating shaft which is positioned on the right side of the rotary table and extends downwards to the right side of the incomplete gear is rotatably arranged on the top wall of the first transmission cavity, a first gear which is intermittently meshed with the incomplete gear is fixedly arranged at the lower end of the first rotating shaft, a first belt wheel positioned in the first transmission cavity is fixedly arranged on the outer surface of the first rotating shaft, a second rotating shaft which is positioned on the right side of the first rotating shaft and extends downwards to the lower side of the machine body is rotatably arranged on the top wall of the first transmission cavity, and a second belt wheel which is positioned in the first transmission cavity and is connected with the first belt wheel in a matching mode through a first belt is fixedly arranged on the outer surface of the second rotating shaft, a threaded rod matched with the threaded sleeve is fixedly arranged at the bottom end of the second rotating shaft, and when the second rotating shaft drives the threaded rod to rotate, the machine body can move up and down under the action of the threaded sleeve; the electroplating device comprises the processing table and a fourth transmission cavity arranged inside the processing table, the top wall of the fourth transmission cavity is rotatably provided with a third rotating shaft extending into the third transmission cavity, a second bevel gear which is always meshed with the first bevel gear is fixedly arranged at the top end of the third rotating shaft, a third bevel gear positioned in the fourth transmission cavity is fixedly arranged at the bottom end of the third rotating shaft, a second gear positioned on the upper side of the third bevel gear in the fourth transmission cavity is fixedly arranged on the outer surface of the third rotating shaft, the upper end wall and the lower end wall of the fourth transmission cavity are rotatably provided with first wheel shafts which are symmetrically positioned at the front side and the rear side of the third rotating shaft, a third gear which is positioned in the fourth transmission cavity and is meshed with the second gear is fixedly arranged on the outer surface of the first wheel shaft, a third belt wheel positioned on the lower side of the third gear is fixedly arranged on the outer surface of the first wheel shaft; the electroplating device further comprises a fifth rotating shaft which is arranged on the left end wall of the processing table in a left-right sliding mode, extends through the fourth transmission cavity to the right side of the processing table, a threaded sleeve shaft which sleeves the fifth rotating shaft is rotatably arranged on the right end wall of the fourth transmission cavity, a fourth bevel gear which is meshed with the third bevel gear is fixedly arranged at the left end of the threaded sleeve shaft, partial threads are arranged on the outer surface of the fifth rotating shaft and matched with the inner wall of the threaded sleeve shaft, a limiting plate which is located on the right side of the processing table is fixedly arranged at the right end of the fifth rotating shaft, and the fifth rotating shaft is driven to move left and right under the action of the threads when the threaded sleeve shaft rotates; the electroplating device also comprises a fixed frame which is fixedly arranged on the left end wall of the processing table and sleeves the fifth rotating shaft, the outer surface of the fixed frame is symmetrically and fixedly provided with a bracket in the front-back direction, the left end of the bracket is rotatably provided with a second wheel shaft, the outer surface of the second wheel shaft is fixedly provided with two friction wheels which are symmetrical up and down, the outer surface of the second wheel shaft is fixedly provided with a fourth belt wheel positioned between the friction wheels, the fourth belt wheel is matched and connected with the third belt wheel through a second belt, the inner part of the fifth rotating shaft is provided with a spring rod which extends to the left outside the fifth rotating shaft in a spring connection manner, the spring rod can slide left and right in the fifth rotating shaft, the left end of the spring rod is fixedly provided with a fixed plate positioned between the front friction wheel and the rear friction wheel, the left end wall of the fixed plate is fixedly provided with an electroplating block, and the electroplating block is communicated with the electrode through a lead, and when the electroplating block contacts the inner wall of the cavity, electroplating operation is carried out on the electroplating block.