CN210945827U

CN210945827U - Cathode electrophoresis device with good electrophoresis coating effect

Info

Publication number: CN210945827U
Application number: CN201921969085.9U
Authority: CN
Inventors: 戈俊杰; 戈福庆
Original assignee: Changzhou Hongyu Magnetic Industry Co ltd
Current assignee: Changzhou Hongyu Magnetic Industry Co ltd
Priority date: 2019-11-14
Filing date: 2019-11-14
Publication date: 2020-07-07
Anticipated expiration: 2029-11-14

Abstract

The utility model discloses a cathode electrophoresis device with good electrophoresis coating effect, which relates to the field of electrophoresis coating and comprises a cathode electrophoresis cell, an electrophoresis anode tube and a cathode rod, wherein stirring devices are arranged at four corners of the cathode cell; agitating unit includes driving motor, (mixing) shaft and stirring rake, driving motor installs on negative pole electrophoresis cell, (mixing) shaft and the coaxial fixed of driving motor, the stirring rake can be dismantled with the (mixing) shaft and be connected, one side that the stirring rake is close to negative pole electrophoresis cell is equipped with the circular arc board, the circular arc board sets up and installs in the cathode electrophoresis cell towards the center of negative pole electrophoresis cell. The utility model discloses have the stirring tank liquor, make the tank liquor composition even and then promote the effect of magnet surface performance.

Description

Cathode electrophoresis device with good electrophoresis coating effect

Technical Field

The utility model belongs to the technical field of the technique of electrophoresis application and specifically relates to a effectual cathode electrophoresis device of electrophoresis application is related to.

Background

The bonded neodymium iron boron magnet is prepared by mixing quick-quenching NdFeB magnetic powder and a bonding agent and performing compression molding. The bonded magnet has high dimensional accuracy, can be made into a magnetic component with a relatively complex shape, and has one-step forming. The bonded neodymium iron boron has high mechanical strength and can be formed with other matched components at one time during forming. In order to obtain the performances of high temperature resistance, corrosion resistance and the like of the neodymium iron boron magnet, a layer of epoxy resin layer is required to be added on the surface of the neodymium iron boron magnet in a cathode electrophoresis mode.

The electrodeposition coating is a special coating film forming method and is only applicable to a water-based paint (electrophoretic paint for short) dedicated for electrodeposition coating, which is different from a general paint. It is a coating method, in which the coated object with conductivity is immersed in the electrophoretic coating bath filled with water and diluted and with relatively low concentration as anode (or cathode), and in the bath another cathode (or anode) is set, and between both electrodes a direct current is passed, so that a uniform water-insoluble coating film can be deposited on the coated object. The electrophoretic coating method can be divided into two types according to the polarity of the coated object and the type of electrophoretic coating, and the anodic electrophoretic coating method comprises the following steps: the coated object is an anode, and the adopted electrophoretic coating is anionic (negatively charged); cathode electrophoresis coating method: the coated object is a cathode, and the adopted electrophoretic coating is cationic (positively charged).

The cathode electrophoresis apparatus in the prior art is shown in fig. 1, and comprises a cathode electrophoresis cell 1, an electrophoresis anode tube 11, a hanger 3 and a cathode rod 12, wherein a bath solution for electrophoresis is contained in the cathode electrophoresis cell 1, the electrophoresis anode tube 11 is installed on the side wall of the cathode electrophoresis cell 1 for removing free acid in the bath solution, the cathode rod 12 is installed on the side wall of the cathode electrophoresis cell 1, a magnet is hung on the cathode rod 12 through the conductive hanger 3, and two ends of the cathode rod 12 are respectively connected with electrodes for performing electrophoretic coating on the magnet.

The adoption of the scheme has the following defects: the bath solution adopts a process proportion and consists of various components, the distribution of the components is difficult to be uniform, and the coating particles in the bath solution gradually sink along with the lapse of time, so that the electrophoretic coating of the magnet is influenced, and the surface performance of the magnet is reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an effectual cathode electrophoresis device of electrophoresis application has the effect that makes the bath solution composition even, promote magnet surface performance.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a cathode electrophoresis device with good electrophoresis coating effect comprises a cathode electrophoresis cell, an electrophoresis anode tube and a cathode rod, wherein stirring devices are arranged at four corners of the cathode cell;

agitating unit includes driving motor, (mixing) shaft and stirring rake, driving motor installs on negative pole electrophoresis cell, (mixing) shaft and the coaxial fixed of driving motor, the stirring rake can be dismantled with the (mixing) shaft and be connected, one side that the stirring rake is close to negative pole electrophoresis cell is equipped with the circular arc board, the circular arc board sets up and installs in the cathode electrophoresis cell towards the center of negative pole electrophoresis cell.

By adopting the technical scheme, the stirring paddle is used for stirring the tank liquor, so that various components in the tank liquor are uniformly distributed, the electrophoretic coating effect is further improved, and the surface performance of the magnet is improved; the setting of arc plate has then reduced the dead angle region in the cathode electrophoresis cell, and during the stirring of stirring rake, the tank liquor striking of being pushed to the corner is on the arc plate, and the central department of surging the cathode electrophoresis cell once more along the orbit of arc plate has aggravated the confusion of tank liquor, has further promoted the mixed effect of tank liquor.

The utility model discloses further set up to: the stirring rake includes oar axle and paddle, the paddle includes inner leaf and outer leaf, the inner leaf sets up on the oar axle and the other end is connected with the go-between, inner leaf and outer leaf pass through the go-between and connect, inner leaf and outer leaf all incline to set up and the opposite direction slope of the two orientation, inner leaf and outer leaf all have a plurality ofly along the even array of oar axle circumference.

Through adopting above-mentioned technical scheme, the mutual slope setting of inner leaf and outer leaf, during the stirring of stirring rake, inner leaf and outer leaf form two kinds of whirl, make the tank liquor further bump the mixture, promote its mixed effect, make the combination of composition more even in the tank liquor.

The utility model discloses further set up to: the stirring shaft is provided with a screw thread sleeve, the screw thread sleeve is in threaded connection with the stirring shaft, and the T-shaped convex block and the T-shaped sliding groove are both covered by the screw thread sleeve.

Through adopting above-mentioned technical scheme, screw thread bush is screwed off, can make things convenient for the change of stirring rake with the oar axle along T shape recess roll-off, reduces the time cost that the stirring rake brought of changing.

The utility model discloses further set up to: the cathode rod is provided with a hanger, the hanger comprises a fixed rod and a supporting rod, the top of the fixed rod is provided with a hook for hanging, the fixed rod is oppositely arranged at two ends of the supporting rod, the supporting rod is uniformly arrayed along the axial direction of the fixed rod, the fixed rod is connected with the supporting rod, and the supporting rod is uniformly arrayed along the axial direction of the supporting rod and is provided with a plurality of V-shaped clamps;

the pressing plate is arranged above the V-shaped clamp, the width of the pressing plate is smaller than half of the maximum width of the V-shaped clamp, two ends of the pressing plate are respectively connected with a pressing rod, the pressing rods are located on the outer side of the fixing rod, and a plurality of groups of pressing devices are arranged on the pressing rods.

Through adopting above-mentioned technical scheme, the magnet is restricted between clamp plate and V clamp, and rethread pressing device compresses tightly, makes it can not break away from the hanger and fall into in the negative pole swimming pool by agitating unit's influence.

The utility model discloses further set up to: the pressing device comprises a sliding rod and a rotating plate, the sliding rod is fixedly connected to the pressing rod and arranged towards the inclined direction of the V-shaped clamp, a kidney-shaped groove for the sliding rod to slide is formed in the rotating plate, the rotating plate is hinged to the fixed rod, and a locking device is arranged on the fixed rod.

Through adopting above-mentioned technical scheme, rotate the rotor plate, waist shape hole rotates thereupon, oppresses the slide bar and removes, and the slide bar drives the depression bar and removes, and the depression bar drives the clamp plate removal again, compresses tightly the magnet, keeps static through locking device control dwang at last, and then makes the magnet be in the state that compresses tightly always.

The utility model discloses further set up to: locking device includes annular plate and slider, annular plate fixed connection is on the dead lever, be equipped with the dwang on the rotor plate, the radian of annular plate is unanimous with the rotation orbit of dwang, annular plate and dwang butt, the direction slip of dwang has the slider in the annular plate, be equipped with in the annular plate and supply the gliding spout of slider, the radian direction of annular plate is evenly followed to the spout is equipped with a plurality ofly.

Through adopting above-mentioned technical scheme, the dwang rotates along the annular plate, reaches the position of predetermineeing after, will contract the slider roll-off in the annular plate, supports the dwang, and the effort with the anti clamp plate of magnet forms the equilibrium, makes the dwang keep quiescent condition, and then makes the magnet be in the state that compresses tightly always.

The utility model discloses further set up to: the one end that the slider is close to the dwang articulates there is the baffle, baffle and dwang butt, the one end that the dwang was kept away from to the slider is connected with the dog.

By adopting the technical scheme, after the rotating rod is abutted against the sliding block, the baffle plate is rotated to be abutted against the rotating rod, so that the sliding of the rotating rod along the direction of the sliding block is prevented, and the possibility of disengagement and locking of the rotating rod is reduced; the setting of dog then can make the slider be unlikely to that side that slides the dwang completely, and supplementary baffle carries on spacingly to the dwang simultaneously.

The utility model discloses further set up to: and a compression spring is arranged between the rotating rod and the fixed rod.

By adopting the technical scheme, after the sliding block retracts into the annular plate, the compression spring pushes out the rotating rod by means of the elasticity of the compression spring, the rotating rod drives the pressure rod to move upwards, and then the pressure plate is driven to move upwards, so that a worker can conveniently take materials; meanwhile, due to the arrangement of the compression spring, when the rotating rod drives the pressing rod to press down, the pressing rod is more stable, and the magnet pressed by the pressing plate is protected.

To sum up, the utility model discloses a beneficial technological effect does:

1. through the arrangement of the stirring device and the arc plate, the tank liquor is stirred and mixed, so that various components in the tank liquor are uniformly mixed, the electrophoretic coating effect is further improved, and the product has better surface performance;

2. through the arrangement of the V-shaped clamp and the pressing plate, the movement of the magnet is limited, the possibility that the magnet is separated from the hanging tool in the electrophoretic coating process is reduced, electrophoretic coating is better accepted, and better surface performance is obtained.

Drawings

FIG. 1 is a schematic representation of a prior art cathodophoresis device;

FIG. 2 is a schematic structural diagram for embodying the whole in the present embodiment;

FIG. 3 is a schematic view of a connection structure for embodying the front of the hanger in the present embodiment;

FIG. 4 is an enlarged view of portion A of FIG. 3;

FIG. 5 is a schematic view of the connection structure for embodying the reverse side of the hanger in this embodiment;

FIG. 6 is an enlarged view of portion B of FIG. 5;

fig. 7 is a schematic diagram of a connection structure for embodying a T-shaped protrusion and a T-shaped groove in the present embodiment.

In the figure, 1, a cathode swimming pool; 11. an electrophoresis anode tube; 12. a cathode rod; 13. a circular arc plate; 2. a stirring device; 21. a drive motor; 22. a stirring shaft; 221. a T-shaped groove; 222. a threaded sleeve; 23. a stirring paddle; 231. a paddle shaft; 2311. a T-shaped bump; 232. a paddle; 2321. inner leaf; 2322. outer leaves; 2323. a connecting ring; 3. a hanger; 31. fixing the rod; 32. a support bar; 321. a V-shaped clamp; 33. pressing a plate; 35. a pressure lever; 36. a pressing device; 361. a rotating plate; 3611. a kidney-shaped groove; 3612. rotating the rod; 362. a slide bar; 363. a locking device; 3631. an annular plate; 3632. a slider; 3633. a chute; 3634. a baffle plate; 3635. a stopper; 365. a first link; 366. a second link; 37. and (4) hanging hooks.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example (b):

as shown in fig. 2, the cathode electrophoresis apparatus with good electrophoresis coating effect disclosed by the present invention comprises a cathode electrophoresis tank 1, an electrophoresis anode tube 11, a cathode rod 12, a hanger 3 and a stirring device 2, wherein the cathode electrophoresis tank 1 is filled with bath solution for electrophoresis; an electrophoresis anode tube 11 is arranged on the side wall of the cathode electrophoresis cell 1 and is used for removing free acid in the cell liquor; the cathode rod 12 is installed on the side wall of the cathode electrophoresis cell 1, the magnet (not shown in the figure) is hung on the cathode rod 12 through the conductive hanger 3, the two ends of the cathode rod 12 are respectively connected with the electrodes, and the magnet is subjected to electrophoretic coating. Agitating unit 2 sets up in four angular points departments of negative pole electrophoresis cell 1, stirs the tank liquor, makes various compositions in the tank liquor mix more fully, and then promotes electrophoresis application's effect, improves the surface property of magnet.

As shown in fig. 2, the stirring device 2 includes a driving motor 21, a stirring shaft 22 and a stirring paddle 23, the driving motor 21 is installed on the cathode electrophoretic cell 1, the stirring paddle 23 and the stirring shaft 22 are both located in the cathode electrophoretic cell 1, the driving motor 21 and the stirring shaft 22 are coaxially fixed, and the stirring shaft 22 is detachably connected with the stirring paddle 23; the stirring paddle 23 comprises a paddle shaft 231 and paddles 232, the paddles 232 comprise an inner blade 2321 and an outer blade 2322, the inner blade 2321 is arranged on the paddle shaft 231 and is uniformly arrayed along the circumferential direction of the paddle shaft 231, one end of the inner blade 2321, which is far away from the paddle shaft 231, is connected with a connecting ring 2323, the connecting ring 2323 is uniformly arrayed along the circumferential direction thereof with a plurality of outer blades 2322, the outer blade 2322 and the inner blade 2321 are connected through the connecting ring 2323, both of which are arranged in an inclined manner, and the inclined directions of the two are opposite; when the inner blade 2321 and the outer blade 2322 which are inclined in opposite directions rotate, two kinds of rotational flows can be formed, and the disorder degree during stirring is increased. .

As shown in fig. 2, in order to further improve the stirring effect and efficiency of the bath, there are also arc plates 13 at four corners of the cathode electrophoretic pool 1, the arc plates 13 are located between the stirring paddle 23 and the cathode electrophoretic pool 1, and they are bent towards the corners of the cathode electrophoretic pool 1, when the stirring paddle 23 stirs the bath, part of the bath collides with the arc plates 13, and the arc of the arc plates 13 is gushed towards the center of the cathode electrophoretic pool 1, so as to intensify the collision and mixing of the bath, and improve the stirring effect. The existence of the circular arc plate 13 makes the bath solution not to flow to the corner of the cathode electrophoresis cell 1, reduces the flow stroke of partial bath solution, and further improves the stirring efficiency.

As shown in fig. 7, in order to facilitate the disassembly and replacement of the damaged stirring paddle 23, a T-shaped protrusion 2311 is disposed at one end of the stirring shaft 22 close to the paddle shaft 231, a T-shaped groove 221 for the T-shaped protrusion 2311 to slide is disposed on the paddle shaft 231, and the relative rotation between the stirring shaft 22 and the paddle shaft 231 is limited by the arrangement of the T-shaped protrusion 2311 and the T-shaped groove 221; in order to completely fix the stirring shaft 22 and the paddle shaft 231, a threaded sleeve 222 is screwed on the stirring shaft 22, and the threaded sleeve 222 covers the T-shaped protrusion 2311 and the T-shaped groove 221 at the same time, abuts against the two, limits the radial sliding of the two, and completes the fixation.

As shown in fig. 3 and 6, the hanger 3 comprises a fixing rod 31 and a supporting rod 32, the fixing rod 31 is oppositely arranged at two ends of the supporting rod 32, and a hook 37 is arranged at the top of the fixing rod for hanging the hanger 3 on the cathode rod 12; a plurality of support rods 32 are uniformly arrayed along the circumferential direction of the fixed rod 31, all the support rods 32 are fixedly connected with the fixed plate, and a plurality of V-shaped clamps 321 are uniformly arranged on the support rods 32 along the axial direction of the support rods and used for placing magnets; in order to further limit the magnet and prevent the magnet from moving easily, a pressing plate 33 is arranged on the V-shaped clamp 321, and the magnet is clamped between the pressing plate 33 and the V-shaped clamp 321 and is difficult to move due to the clamping of the pressing plate 33 and the V-shaped clamp 321; the V-shaped clamp 321 has a gradually widening width, so that magnets with different diameters can be placed in the V-shaped clamp 321, and the width of the pressing plate 33 is less than half of the maximum width of the V-shaped clamp 321 so that the width of the pressing plate 33 does not interfere with the V-shaped clamp 321. The two ends of the pressing plate 33 are respectively connected with a first connecting rod 365, one end, far away from the pressing plate 33, of the first connecting rod 365 is connected with a pressing rod 35 by bypassing the fixing rod 31, the first connecting rod 365 is connected with a second connecting rod 366 through a bolt, the fixing rod 31 is located between the first connecting rod 365 and the second connecting rod 366, the first connecting rod 365 and the second connecting rod 366 are arranged, the pressing rod 35 can only move along the axial direction of the fixing rod 31, and the pressing plate 33 can only press and relax along with the pressing rod 35.

As shown in fig. 3 and 4, in order to press the magnet by the pressing plate 33, a plurality of pressing devices 36 are provided on the pressing rod 35, and in the present embodiment, four sets of pressing devices 36 are provided. The pressing device 36 comprises a sliding rod 362 and a rotating plate 361, the sliding rod 362 is fixedly connected to the pressing rod 35 and arranged towards the inclined direction of the V-shaped clamp 321, the rotating plate 361 is hinged to the fixed rod 31, a waist-shaped groove 3611 for the sliding rod 362 to slide is arranged on the rotating plate 361, and a rotating rod 3612 is arranged at one end of the rotating plate 361 far away from the pressing rod 35 to facilitate the rotation of the rotating plate 361; the rotating plate 361 rotates to drive the kidney-shaped groove 3611 to rotate, the side wall of the kidney-shaped groove 3611 tilts accordingly, the sliding rod 362 is pressed to move, the sliding rod 362 drives the pressing rod 35 to move, and then the pressing plate 33 is driven to move. In order to keep the rotating plate 361 at a stationary state after rotating to a predetermined position, a locking device 363 is provided on the fixing rod 31. The locking device 363 comprises an annular plate 3631 and a sliding block 3632, the annular plate 3631 is fixed on the fixing rod 31, the radian of the annular plate 3631 is consistent with the rotating track of the rotating rod 3612, the rotating rod 3612 is abutted against the annular plate 3631 and rotates along the annular plate 3631, the sliding block 3632 slides in the annular plate 3631 towards the rotating rod 3612, and after the rotating rod 3612 rotates to a preset position, the sliding block 3632 slides out to abut against the rotating rod 3612; a plurality of sliding grooves 3633 for sliding the sliding blocks 3632 are arranged in the annular plate 3631, the sliding grooves 3633 are uniformly arranged along the rotating direction of the rotating rod 3612, the position of each sliding groove 3633 corresponds to the position to which the magnet rotating rod 3612 with different diameters should rotate, and the sliding blocks 3632 are inserted into the sliding grooves 3633 corresponding to the magnets with corresponding diameters.

As shown in fig. 4 and 6, two ends of the sliding block 3632 are respectively provided with a stopper 3635 and a baffle 3634, the stopper 3635 is fixedly connected with the baffle 3634, the baffle 3634 is hinged to the sliding block 3632 and rotates along the rotation direction of the rotating rod 3612, the sliding block 3632 is inserted into the sliding slot 3633, and the stopper 3635 can prevent the sliding block 3632 from completely sliding into the sliding slot 3633; when the rotating rod 3612 abuts against the slider 3632, the baffle 3634 is rotated to abut against the rotating rod 3612, so that the movement of the rotating rod 3612 along the sliding direction of the slider 3632 is prevented, and the possibility that the rotating rod 3612 suddenly breaks away from the slider 3632 during electrophoretic coating and the magnet is not limited is reduced. In order to make the rotating rod 3612 loosen, the magnet can be conveniently taken by a worker, so that a compression spring is arranged between the rotating rod 3612 and the fixing rod 31, the rotating rod 3612 is pushed open by the elasticity of the compression spring, and the pressing plate 33 is further driven to move upwards, so that the worker can conveniently take the magnet.

The implementation process of the embodiment is as follows: a worker places a magnet on the V-shaped clamp 321, rotates the rotating rod 3612, presses the pressing plate 33 on the magnet, slides out of the sliding block 3632, pushes against the rotating rod 3612, rotates the baffle 3634 to limit the rotating rod 3612, and keeps the rotating rod 3612 in a static state all the time; meanwhile, the driving motor 21 drives the stirring paddle 23 to stir all the time, so that components in the bath solution are kept in a uniform state all the time, and after the magnet is clamped, a worker hangs the hanger 3 on the cathode rod 12 through the hook, and the main body of the hanger 3 is soaked in the bath solution, so that the cathode rod 12 is electrified, and the magnet is subjected to electrophoretic coating.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides an effectual cathode electrophoresis device of electrophoretic coating, includes negative pole electrophoresis cell (1), electrophoresis anode tube (11) and negative pole (12), its characterized in that: stirring devices (2) are arranged at four corners of the cathode electrophoresis cell (1);

agitating unit (2) include driving motor (21), (mixing) shaft (22) and stirring rake (23), driving motor (21) are installed on negative pole electrophoresis cell (1), stirring shaft (22) and driving motor (21) coaxial fixed, stirring rake (23) can be dismantled with (mixing) shaft (22) and be connected, one side that stirring rake (23) are close to negative pole electrophoresis cell (1) is equipped with circular arc board (13), circular arc board (13) set up and install in negative pole electrophoresis cell (1) towards the center of negative pole electrophoresis cell (1).

2. The cathode electrophoresis apparatus with good electrophoresis coating effect according to claim 1, wherein: the stirring paddle (23) comprises a paddle shaft (231) and a paddle (232), the paddle (232) comprises an inner blade (2321) and an outer blade (2322), the inner blade (2321) is arranged on the paddle shaft (231) and the other end of the inner blade is connected with a connecting ring (2323), the inner blade (2321) and the outer blade (2322) are connected through the connecting ring (2323), the inner blade (2321) and the outer blade (2322) are both obliquely arranged and are inclined towards opposite directions, and the inner blade (2321) and the outer blade (2322) are both uniformly arrayed along the circumference of the paddle shaft (231).

3. The cathode electrophoresis apparatus with good electrophoresis coating effect according to claim 1, wherein: the novel stirring device is characterized in that a T-shaped convex block (2311) is arranged at one end, close to the paddle shaft (231), of the stirring shaft (22), a T-shaped groove (221) for the T-shaped convex block (2311) to slide is formed in the paddle shaft (231), a threaded sleeve (222) is arranged on the stirring shaft (22), the threaded sleeve (222) is in threaded connection with the stirring shaft (22), and the T-shaped convex block (2311) and the T-shaped groove (221) are both covered by the threaded sleeve (222).

4. The cathode electrophoresis apparatus with good electrophoresis coating effect according to claim 1, wherein: the cathode rod (12) is provided with a hanger (3), the hanger (3) comprises a fixed rod (31) and a supporting rod (32), the fixed rod (31) is arranged at two ends of the supporting rod (32) oppositely, the supporting rod (32) is uniformly arrayed along the axial direction of the fixed rod (31), the fixed rod (31) and the supporting rod (32) are connected with each other, and the supporting rod (32) is uniformly arrayed along the axial direction thereof with a plurality of V-shaped clamps (321);

the pressing plate (33) is arranged above the V-shaped clamp (321), two ends of the pressing plate (33) are connected with pressing rods (35), the pressing rods (35) are located on the outer side of the fixing rod (31), and a plurality of groups of pressing devices (36) are arranged on the pressing rods (35).

5. The cathode electrophoresis apparatus with good electrophoresis coating effect according to claim 4, wherein: the pressing device (36) comprises a sliding rod (362) and a rotating plate (361), the sliding rod (362) is fixedly connected to the pressing rod (35), a waist-shaped groove (3611) for the sliding rod (362) is formed in the rotating plate (361), the rotating plate (361) is hinged to the fixing rod (31), and a locking device (363) is arranged on the fixing rod (31).

6. The cathode electrophoresis apparatus with good electrophoresis coating effect according to claim 5, wherein: locking device (363) include annular plate (3631) and slider (3632), annular plate (3631) fixed connection is on dead lever (31), the slope is equipped with dwang (3612) on rotor plate (361), the radian of annular plate (3631) is unanimous with the rotation orbit of dwang (3612), it has slider (3632) to slide on annular plate (3631), slider (3632) and dwang (3612) butt.

7. The cathode electrophoresis apparatus with good electrophoresis coating effect according to claim 6, wherein: one end, close to the rotating rod (3612), of the sliding block (3632) is hinged to a baffle (3634), the baffle (3634) is abutted to the rotating rod (3612), and one end, far away from the rotating rod (3612), of the sliding block (3632) is connected with a stopper (3635).

8. The cathode electrophoresis apparatus with good electrophoresis coating effect according to claim 7, wherein: a compression spring is arranged between the rotating rod (3612) and the fixed rod (31).