Electrophoresis equipment for automobile part production

Abstract

The invention relates to the technical field of electrophoresis equipment, and particularly discloses electrophoresis equipment for automobile part production, the electrophoresis equipment comprises a support, an electrophoresis tank, a moving assembly arranged on the support and a bearing frame arranged at the output end of the moving assembly, the side wall of the electrophoresis tank is provided with a liquid overflow port and a liquid inlet, a one-way valve is arranged in the liquid inlet, and the electrophoresis tank is further provided with a liquid supplementing module; each liquid supplementing module comprises a circulating unit and a liquid supplementing unit; the circulating unit comprises an auxiliary box body arranged in the electrophoresis tank, and a partition plate is arranged in the auxiliary box body, so that an upper chamber and a lower chamber are formed in the auxiliary box body. The device has the beneficial effects that the automobile parts enter the electrophoresis buffer solution, so that the electrophoresis buffer solution overflows from the overflow port, whether the electrophoresis buffer solution in the electrophoresis tank is reduced or not is judged according to the amount of the overflowed electrophoresis buffer solution, and when the electrophoresis buffer solution in the electrophoresis tank is reduced, a new electrophoresis buffer solution can be automatically added through the liquid storage tank; enough electrophoresis buffer solution is always kept in the electrophoresis tank.

Description

Technical Field

[0001] The present invention relates to the technical field of electrophoresis equipment, and more particularly to an electrophoresis equipment for automobile part production. Background Art

[0002] Electrophoretic coating is a special coating method in which the conductive object to be coated is immersed in an electrophoresis coating tank filled with water-diluted and relatively low-concentration electrophoresis coating as the anode, and a corresponding cathode is provided in the tank. After direct current is applied between the two electrodes for a period of time, a uniform, fine and water-insoluble coating film is deposited on the surface of the object to be coated.

[0003] Chinese Patent with the authorized announcement number CN221701671U discloses an electrophoretic coating equipment for automobile parts, which relates to the technical field of automobile part processing. It includes a main body and a moving mechanism. The main body includes an electrophoresis tank. A secondary tank is installed on one side of the electrophoresis tank. A flow guide plate is installed on the top of the secondary tank. Air drying boxes are installed on both sides of the top of the flow guide plate. A storage tank is installed inside the secondary tank. Air blowers are installed inside the air drying boxes. The moving mechanism includes a moving frame, a hanging basket, a pair of mounting frames and a power box. The width of the moving frame is greater than the width of the flow guide plate. A pair of hydraulic rods are inserted into the top of the moving frame. The output ends of the pair of hydraulic rods penetrate through the top of the moving frame and extend to the outside, and are respectively installed with fixing blocks. Thread grooves are respectively opened on one side of the fixing blocks. Slots are respectively opened on both sides of the top of the hanging basket. The slots are all matched with the fixing blocks. Tightening bolts are threadedly connected to the slots. The tightening bolts are all threadedly connected to the thread grooves. This patent can effectively improve the working efficiency of electrophoretic coating on the surface of automobile parts and has high practical value.

[0004] In the electrophoretic coating production system of automobile parts, after the workpiece completes electrophoresis, it needs to be transferred to the subsequent liquid draining section through a vertical lifting mechanism. Inevitably, loss of bath liquid is generated during this process. With the continuous progress of continuous production, the cumulative loss of bath liquid will cause the liquid level of the electrophoresis tank to show a progressive downward trend. When the liquid level height is lower than the process-set threshold value, the bath liquid cannot completely cover the automobile parts, affecting the quality of electroplating of the automobile parts. Summary of the Invention

[0005] The present invention provides an electrophoresis equipment for automobile part production, aiming to solve the technical problem in the related art that in the electrophoretic coating production system of automobile parts, after the workpiece completes electrophoresis, it needs to be transferred to the subsequent liquid draining section through a vertical lifting mechanism. Inevitably, loss of bath liquid is generated during this process. With the continuous progress of continuous production, the cumulative loss of bath liquid will cause the liquid level of the electrophoresis tank to show a progressive downward trend. When the liquid level height is lower than the process-set threshold value, the bath liquid cannot completely cover the automobile parts, affecting the quality of electroplating of the automobile parts.

[0006] An electrophoretic device for the production of automotive parts according to the present invention includes: a bracket, an electrophoretic tank, a moving assembly provided on the bracket, and a carrier provided at the output end of the moving assembly. An overflow port and a liquid inlet are formed on the side wall of the electrophoretic tank. A one-way valve is provided in the liquid inlet. A liquid replenishment module is further provided on the electrophoretic tank. The liquid replenishment module includes a circulation unit and a liquid replenishment unit; the circulation unit includes a secondary box body provided in the electrophoretic tank. A partition is provided in the secondary box body to form an upper chamber and a lower chamber inside. The overflow port is located in the upper chamber, and the liquid inlet is located in the lower chamber. A communication groove communicating with the lower chamber is provided in the upper chamber. A lifting plate is elastically slidably fitted up and down in the upper chamber. A limiting plate is elastically slidable on the side wall of the electrophoretic tank. A driving frame is elastically slidable vertically on the electrophoretic tank. The driving frame has a driving portion that abuts against the limiting plate. When the driving frame moves up and down, it can push the limiting plate to slide. A pushing portion is further provided on the driving frame. A pressing plate is horizontally and sealingly slidable in the lower chamber; the liquid replenishment unit includes a sliding plate elastically slidable on the side wall of the electrophoretic tank. When the pushing portion descends, it can push the sliding plate to slide. A plugging plate is elastically slidably fitted on the sliding plate. The plugging plate has a jack. A plug block adapted to the jack is provided on the lifting plate. A liquid storage tank is provided on the secondary box body. The liquid storage tank is provided with a liquid discharge port communicating with the lower chamber. The plugging plate is inserted into the liquid discharge port to control its opening and closing.

[0007] As the automotive parts gradually enter the electrophoresis buffer solution, the electrophoresis buffer solution gradually overflows from the overflow port. The overflowed electrophoresis buffer solution enters the upper chamber, causing the lifting plate to quickly descend until the lower surface of the horizontal part of the lifting plate abuts against the upper surface of the limiting plate. When the carrier frame descends close to the limit position, the installation part of the carrier frame will downwardly press the horizontal rod part of the driving frame, causing the driving frame to descend. The lower inclined section abuts against the first side rod and pushes the first side rod to move leftward, causing the limiting plate to move leftward. The limiting plate completely contracts into the right side panel of the electrophoresis tank, releasing the restriction on the lifting plate. The lifting plate quickly descends and passes over the limiting plate. When the first side rod enters the upper inclined section, the elastic force of the second spring is released, driving the first side rod to reset to the right, and the limiting plate extends to the right again, blocking above the lifting plate. The electrophoresis buffer solution above the horizontal part will enter the lower chamber. The air cylinder drives the extrusion plate to move leftward, squeezing the electrophoresis buffer solution in the lower chamber into the electrophoresis tank through the liquid inlet. When the driving frame descends, the pushing parts will all push the second side rod to move leftward. When the insertion block is inserted into the jack, it means that there is enough electrophoresis buffer solution in the electrophoresis tank and the sliding plate cannot pull the sealing plate to move. When the electrophoresis buffer solution in the electrophoresis tank decreases, the insertion block cannot be inserted into the jack, and the sliding plate pulls the sealing plate to move leftward, opening the drain port. The electrophoresis buffer solution in the liquid storage tank enters the lower chamber to supplement the electrophoresis buffer solution. When the automotive parts enter the electrophoresis buffer solution, the electrophoresis buffer solution overflows from the overflow port. The amount of the overflowed electrophoresis buffer solution is used to judge whether the electrophoresis buffer solution in the electrophoresis tank decreases. At the same time, when the electrophoresis buffer solution in the electrophoresis tank decreases, new electrophoresis buffer solution can be automatically added through the liquid storage tank, always keeping a sufficient amount of electrophoresis buffer solution in the electrophoresis tank to ensure the electrophoresis quality of the automotive parts.

[0008] Preferably, a screen is provided in the upper chamber, and the screen is located below the overflow port.

[0009] After the automotive parts enter the electrophoresis buffer solution, the upper layer of the liquid will overflow from the overflow port, and at the same time, the dust and impurities on the upper layer will also be carried out. Finally, after being filtered by the screen, the cleaning of the dust and impurities on the upper surface of the electrophoresis buffer solution is completed.

[0010] Preferably, a first spring is arranged between the lifting plate and the partition plate. The lifting plate is in an L-shaped structure and has a horizontal part and a vertical part.

[0011] Preferably, the driving frame is in an inverted U-shaped structure and has a horizontal rod part and two vertical rod parts. The horizontal rod part is fixed at the upper ends of the two vertical rod parts. A vertically arranged installation groove is formed on the electrophoresis tank, and the vertical rod parts are slidably assembled in the installation groove, and the upper ends of the vertical rod parts are located above the electrophoresis tank.

[0012] The descent of the carrier frame is used to control the lifting of the driving frame, and the lifting and lowering of the driving frame can control the movement of the limiting plate and the sliding plate.

[0013] Preferably, the driving part includes a lower vertical section, a lower inclined section, an upper inclined section and an upper vertical section. The lower vertical section, the lower inclined section, the upper inclined section and the upper vertical section are arranged in sequence from bottom to top and are connected to each other. The lower inclined section slopes downward gradually from left to right, the upper inclined section slopes upward gradually from left to right, and the lower inclined section and the upper inclined section are arranged in a V-shaped configuration.

[0014] Preferably, the pushing part is inclined, and slopes downward gradually from left to right.

[0015] By providing the lower vertical section, the lower inclined section, the upper inclined section and the upper vertical section, when the driving frame moves up and down, the limiting plate can be driven to slide.

[0016] Preferably, first side rods are fixedly installed on the front and rear side walls of the limiting plate. Both of the two first side rods are cylindrical structures, and the two first side rods are coaxially arranged.

[0017] Preferably, a stirring blade is rotatably installed at the bottom of the electrophoresis tank, and the liquid inlet faces the blade of the stirring blade.

[0018] When the electrophoresis buffer solution in the lower chamber enters the electrophoresis tank from the liquid inlet, the stirring blade can be driven to rotate. The stirring blade can disturb the electrophoresis buffer solution in the electrophoresis tank, so that the components in the electrophoresis buffer solution can be more evenly distributed.

[0019] Preferably, two sets of liquid replenishing modules are provided, and the two sets of liquid replenishing modules are respectively arranged on the left and right sides of the electrophoresis tank, and the left and right two sets of liquid replenishing modules are symmetrically arranged.

[0020] Preferably, the moving assembly includes a lifting frame that slidably cooperates with the bracket up and down. A track is provided at the bottom of the lifting frame. The length of the track extends in the left-right direction. A sliding block is slidably installed on the track in the left-right direction. A connecting rod is fixedly installed on the lower surface of the sliding block, and the bearing frame is fixed to the lower end of the connecting rod.

[0021] With the above technical solution, the beneficial effects of the present invention are as follows: As the automotive parts gradually enter the electrophoresis buffer solution, the electrophoresis buffer solution gradually overflows from the overflow port. The overflowed electrophoresis buffer solution enters the upper chamber, causing the lifting plate to rapidly descend until the lower surface of the horizontal portion of the lifting plate abuts against the upper surface of the limiting plate. When the carrier approaches the limit position during its descent, the mounting portion of the carrier will downwardly press the horizontal rod portion of the driving frame, causing the driving frame to descend. The lower inclined section abuts against the first side rod and pushes the first side rod to move leftward, causing the limiting plate to move leftward. The limiting plate completely retracts into the right side panel of the electrophoresis tank, releasing the restriction on the lifting plate. The lifting plate rapidly descends and crosses over the limiting plate. When the first side rod enters the upper inclined section, the elastic force of the second spring is released, driving the first side rod to reset rightward, and the limiting plate extends rightward again to block above the lifting plate. The electrophoresis buffer solution above the horizontal portion will enter the lower chamber. The air cylinder drives the pressing plate to move leftward, squeezing the electrophoresis buffer solution in the lower chamber into the electrophoresis tank through the liquid inlet. When the driving frame descends, the pushing portions will all push the second side rod to move leftward. When the insertion block is inserted into the jack, it indicates that there is enough electrophoresis buffer solution in the electrophoresis tank and the sliding plate cannot pull the sealing plate to move. When the electrophoresis buffer solution in the electrophoresis tank decreases, the insertion block cannot be inserted into the jack, and the sliding plate pulls the sealing plate to move leftward, opening the drain port. The electrophoresis buffer solution in the liquid storage tank enters the lower chamber to supplement the electrophoresis buffer solution. When the automotive parts enter the electrophoresis buffer solution, the electrophoresis buffer solution overflows from the overflow port. The amount of the overflowed electrophoresis buffer solution is used to determine whether the electrophoresis buffer solution in the electrophoresis tank decreases. At the same time, when the electrophoresis buffer solution in the electrophoresis tank decreases, new electrophoresis buffer solution can be automatically added through the liquid storage tank, always maintaining a sufficient amount of electrophoresis buffer solution in the electrophoresis tank to ensure the electrophoresis quality of the automotive parts.

[0022] After the automotive parts enter the electrophoresis buffer solution, the upper layer of the liquid will overflow from the overflow port, and at the same time, the upper layer of dust and impurities will also be carried out. Finally, after passing through the filtration of the sieve mesh, the cleaning of the dust and impurities on the upper surface of the electrophoresis buffer solution is completed. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the overall structure of the present invention.

[0024] Figure 2 It is a cross-sectional view of the present invention.

[0025] Figure 3 It is of the present invention Figure 2 enlarged view of part A.

[0026] Figure 4 It is an exploded view of the driving frame, lifting plate and auxiliary box body of the present invention.

[0027] Figure 5 It is a schematic diagram of the structure of the lifting plate of the present invention.

[0028] Figure 6 This is an exploded view of the electrophoresis tank and the drive frame of the present invention.

[0029] Figure 7 For the present invention Figure 6 An enlarged view of part B in

[0030] Figure 8 This is a right view of the electrophoresis tank of the present invention.

[0031] Reference numerals: 10, support; 11, lifting frame; 12, track; 13, sliding block; 14, connecting rod; 15, carrier; 16, electrophoresis tank; 17, overflow port; 18, liquid inlet; 19, stirring blade; 20, auxiliary box body; 21, screen; 22, partition board; 23, upper chamber; 24, lower chamber; 25, perforation; 26, communication groove; 30, lifting plate; 31, first spring; 32, horizontal part; 33, vertical part; 34, avoidance groove; 35, insertion block; 40, limiting plate; 41, second spring; 42, first side rod; 50, drive frame; 51, third spring; 52, drive part; 53, lower vertical section; 54, lower inclined section; 55, upper inclined section; 56, upper vertical section; 57, pushing part; 60, air cylinder; 61, pressing plate; 70, sliding plate; 71, fourth spring; 72, second side rod; 73, blocking plate; 74, insertion hole; 75, liquid storage tank; 76, drain port. Detailed implementation manners

[0032] The embodiments of the present invention will be described in detail below. Examples of the embodiments are shown in the accompanying drawings. The embodiments described below by referring to the accompanying drawings are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention.

[0033] As Figures 1 to 8 shown, a specific embodiment of an electrophoresis device for automobile part production according to the present invention includes an electrophoresis module and a liquid supplement module.

[0034] As Figure 1 and Figure 2 shown, the electrophoresis module includes a carrying unit and an electrophoresis unit. The carrying unit includes a support 10, a lifting frame 11, a track 12, a sliding block 13, a connecting rod 14, and a carrier 15.

[0035] The bracket 10 is vertically and fixedly installed on the ground. In this embodiment, there are two rows of brackets 10 arranged front and back, and two brackets are arranged at intervals left and right in each row. The lifting frame 11 is slidably engaged with the bracket 10 up and down. A vertically arranged chute is formed on the bracket 10, and a slider cooperating with the chute is provided on the bracket 10. By means of the cooperation between the slider and the chute, the lifting frame 11 can be lifted along the bracket 10. A driving mechanism for driving the lifting frame 11 to lift is provided on the bracket 10, and the driving mechanism can be a telescopic cylinder or a lead screw structure, etc.

[0036] A track 12 is arranged at the bottom of the lifting frame 11. The length of the track 12 extends in the left-right direction. A sliding block 13 is slidably installed on the track 12 in the left-right direction. A driving source is arranged on the sliding block 13 to drive the sliding block 13 to move along the track 12. In this embodiment, the driving source can be in the form of cooperation between a motor and a roller. That is, a motor is fixedly installed on the sliding block 13, a roller is installed at the output end of the motor, and the roller is in transmission cooperation with the track 12. Thus, when the motor drives the roller to rotate, the sliding block 13 can move along the track 12.

[0037] A connecting rod 14 is fixedly installed on the lower surface of the sliding block 13. In this embodiment, the connecting rod 14 is a rod-shaped structure made of metal. The lower end of the connecting rod 14 is fixedly installed with a bearing frame 15. The bearing frame 15 has a horizontally arranged mounting portion and a plurality of vertically arranged hanging portions. The mounting portion is fixedly connected to the lower end of the connecting rod 14, and a plurality of hanging portions are fixedly installed at the bottom of the mounting portion. The hanging portions are used for installing and fixing automotive parts, so that a plurality of automotive parts can be installed on the plurality of hanging portions simultaneously.

[0038] The electrophoresis unit includes an electrophoresis tank 16. The electrophoresis tank 16 is a square structure with an open top. The electrophoresis tank 16 includes a bottom plate and four panels in the circumferential direction. An electrophoresis buffer solution is carried in the electrophoresis tank 16. When the automotive parts enter the electrophoresis buffer solution, electrophoresis treatment can be performed on the automotive parts. Overflow ports 17 penetrating left and right are formed at positions near the upper ends of the left and right side walls of the electrophoresis tank 16. The overflow ports 17 are rectangular structures, and the length direction of the overflow ports 17 extends in the front-rear direction.

[0039] The liquid level of the electrophoresis buffer solution in the electrophoresis tank 16 is slightly lower than the overflow ports 17. Thus, when the bearing frame 15 drives the automotive parts into the electrophoresis buffer solution, the liquid level will flow out from the overflow ports 17 to the liquid supplement module, which will be described in detail below.

[0040] As Figure 2 shown, in this embodiment, there are two groups of liquid supplement modules, and the two groups of liquid supplement modules are respectively arranged on the left and right sides of the electrophoresis tank 16, and the left and right two groups of liquid supplement modules are symmetrically arranged. Each group of liquid supplement modules includes a circulation unit and a liquid supplement unit. The right-side liquid supplement module will be taken as an example for expansion and description later.

[0041] AsFigure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 and Figure 8 As shown in Figure 8 , the circulation unit includes a secondary box body 20, a screen 21, a partition plate 22, a lifting plate 30, a first spring 31, a horizontal portion 32, a vertical portion 33, a plug 35, a limiting plate 40, a second spring 41, a first side rod 42, a driving frame 50, a third spring 51, a driving portion 52, a cylinder 60 and a pressing plate 61.

[0042] The secondary box body 20 is fixedly installed on the side of the electrophoresis tank 16, and the secondary box body 20 is connected to the electrophoresis tank 16 by welding. A chamber with an upper opening is formed inside the secondary box body 20. A partition plate 22 is fixedly installed inside the secondary box body 20, and the partition plate 22 is horizontally arranged. The partition plate 22 divides the chamber inside the secondary box body 20 into an upper chamber 23 and a lower chamber 24. A through hole 25 that penetrates up and down is provided on the side of the partition plate 22 away from the electrophoresis tank 16. That is, the left end of the partition plate 22 is fixedly connected to the right side wall of the electrophoresis tank 16, and there is a certain gap between the right end of the partition plate 22 and the secondary box body 20, and this gap forms the through hole 25.

[0043] The screen 21 is fixedly installed in the upper chamber 23, and the screen 21 is horizontally arranged. It should be specifically noted that the height of the screen 21 is lower than that of the overflow port 17, so that the electrophoresis buffer solution overflowing from the overflow port 17 can fall after passing through the screen 21. The screen 21 can filter the electrophoresis buffer solution overflowing from the overflow port 17. When the automotive parts enter the electrophoresis tank 16, the dust and impurities on the automotive parts may float on the upper surface of the electrophoresis buffer solution. At the same time, the dust floating in the air in the workshop will also fall on the surface of the electrophoresis buffer solution. When the electrophoresed automotive parts leave the electrophoresis buffer solution, the dust and impurities floating on the liquid surface will adhere to the automotive parts, thus affecting the electrophoresis quality of the automotive parts. After the automotive parts enter the electrophoresis buffer solution, the upper layer of the liquid will overflow from the overflow port 17, and at the same time, it will also carry out the upper layer of dust and impurities. Finally, after passing through the filtration of the screen 21, the cleaning of the dust and impurities on the upper surface of the electrophoresis buffer solution is completed.

[0044] A communication groove 26 is provided at a position near the bottom on the right side wall of the upper chamber 23. The bottom of the communication groove 26 corresponds to and communicates with the through hole 25. That is, the communication groove 26 communicates with the lower chamber 24 through the through hole 25.

[0045] A lifting plate 30 is sealingly and slidably installed in the upper chamber 23, and the lifting plate 30 can slide up and down in the upper chamber 23. A first spring 31 is arranged between the lifting plate 30 and the partition plate 22. One end of the first spring 31 is fixedly connected to the partition plate 22, and the other end of the first spring 31 is fixedly connected to the lifting plate 30. The first spring 31 can provide an elastic force for the reset of the lifting plate 30.

[0046] As Figure 3 shown in Figure 5 the figure, the lifting plate 30 is located below the screen 21. The lifting plate 30 has an L-shaped structure and includes a horizontal portion 32 and a vertical portion 33. The horizontal portion 32 is sealingly and slidably engaged with the inner wall of the upper chamber 23. The vertical portion 33 of the lifting plate 30 is slidably engaged with the right side wall of the upper chamber 23, and the lower end of the vertical portion 33 passes through the perforation 25 and penetrates into the lower chamber 24 below.

[0047] A relief groove 34 is formed in the vertical portion 33 of the lifting plate 30. The relief groove 34 has a square structure, and a plurality of insertion blocks 35 are arranged at intervals in the front-rear direction on the top wall of the relief groove 34.

[0048] As Figure 3 shown in Figure 4 and Figure 5 as well as Figure 7 the figure, an installation groove is provided on the outer side wall of the right panel of the electrophoresis tank 16. A limiting plate 40 is horizontally and slidably installed in the installation groove in the left-right direction. The right end of the limiting plate 40 extends into the upper chamber 23. The left end of the limiting plate 40 is connected to the electrophoresis tank 16 through a second spring 41. That is, one end of the second spring 41 is connected to the electrophoresis tank 16, and the other end of the second spring 41 is fixedly connected to the limiting plate 40. The second spring 41 can provide an elastic force for the reset of the limiting plate 40.

[0049] First side rods 42 are fixedly installed on the front and rear side walls of the limiting plate 40 near the left end. The front and rear first side rods 42 are both cylindrical structures, and the two first side rods 42 are coaxially arranged, and their axes extend in the front-rear direction.

[0050] As Figure 4 shown in Figure 6 and Figure 7 the figure, a driving frame 50 is vertically slidably installed on the right panel of the electrophoresis tank 16. The driving frame 50 has an inverted U-shaped structure. A third spring 51 is arranged between the driving frame 50 and the electrophoresis tank 16. One end of the third spring 51 is fixedly connected to the electrophoresis tank 16, and the other end of the third spring 51 is fixedly connected to the driving frame 50. The third spring 51 can provide an elastic force for the reset of the driving frame 50.

[0051] The driving frame 50 has a horizontal rod portion and two vertical rod portions. The two vertical rod portions are arranged at intervals in the front-back direction, and the horizontal rod portion is fixed to the upper ends of the two vertical rod portions. Vertical mounting grooves are vertically formed at intervals on the right side panel of the electrophoresis tank 16, and the two vertical rod portions are respectively vertically and slidably assembled in the corresponding mounting grooves. The upper ends of the vertical rod portions are located above the right side panel of the electrophoresis tank 16, that is, in the initial state, the horizontal rod portion is located above the electrophoresis tank 16.

[0052] As Figure 7 shown, driving portions 52 are provided on the vertical rod portions of the driving frame 50. The driving portions 52 are in contact with the first side rod 42 to push the first side rod 42 to move. The driving portion 52 includes a lower vertical section 53, a lower inclined section 54, an upper inclined section 55 and an upper vertical section 56. The lower vertical section 53, the lower inclined section 54, the upper inclined section 55 and the upper vertical section 56 are arranged in sequence from bottom to top and are connected to each other.

[0053] The lower inclined section 54 is gradually inclined downward from left to right, and the upper inclined section 55 is gradually inclined upward from left to right. The lower inclined section 54 and the upper inclined section 55 are arranged in a V shape. Both the lower vertical section 53 and the upper vertical section 56 are vertically arranged. The lower end of the lower inclined section 54 is connected to the upper end of the lower vertical section 53, the lower end of the upper inclined section 55 is connected to the upper end of the lower inclined section 54, and the lower end of the upper vertical section 56 is connected to the upper end of the upper inclined section 55.

[0054] A pushing portion 57 is further provided at a position near the lower end of the vertical rod portion of the driving frame 50. The pushing portion 57 is inclined and is gradually inclined downward from left to right.

[0055] In the initial state, the first side rod 42 is located at the position of the lower vertical section 53. When the driving frame 50 descends, the lower inclined section 54 gradually comes into contact with the first side rod 42 and pushes the first side rod 42 to move to the left side. The second spring 41 will be compressed. When the first side rod 42 enters the upper inclined section 55, the elastic force of the second spring 41 is released, driving the first side rod 42 to reset to the right side. Finally, when the driving frame 50 descends to the limit position, the first side rod 42 reaches the position of the upper vertical section 56.

[0056] When the sliding block 13 drives the automotive parts on the carrier 15 to move directly above the electrophoresis tank 16, electrophoresis of the automotive parts begins. The lifting frame 11 drives the carrier 15 to descend into the electrophoresis buffer solution in the electrophoresis tank 16, so that the automotive parts enter the electrophoresis buffer solution. As the automotive parts gradually enter the electrophoresis buffer solution, the liquid level of the electrophoresis buffer solution rises, and the electrophoresis buffer solution gradually overflows from the overflow port 17. The overflowed electrophoresis buffer solution enters the upper chamber 23. After being filtered by the screen 21, the overflowed electrophoresis buffer solution falls above the lower lifting plate 30. As more and more electrophoresis buffer solution overflows, under the action of gravity, the lifting plate 30 descends rapidly, and the first spring 31 will be compressed until the lower surface of the horizontal portion 32 of the lifting plate 30 abuts against the upper surface of the limiting plate 40. That is, the limiting plate 40 restricts the descent of the lifting plate 30. At this time, the vertical portion 33 of the lifting plate 30 completely blocks the communication groove 26, and the horizontal portion 32 is located above the communication groove 26.

[0057] As the lifting frame 11 drives the carrier 15 to continue descending, when the carrier 15 descends close to the limit position, the installation portion of the carrier 15 will downwardly press the horizontal rod portion of the driving frame 50, causing the driving frame 50 to descend. The first side rod 42 moves from the lower vertical section 53 to the lower inclined section 54. The lower inclined section 54 abuts against the first side rod 42 and pushes the first side rod 42 to move to the left. The second spring 41 will be compressed, causing the limiting plate 40 to move to the left. The limiting plate 40 completely retracts into the right side panel of the electrophoresis tank 16, releasing the restriction on the lifting plate 30. The lifting plate 30 descends rapidly and passes over the limiting plate 40. When the first side rod 42 enters the upper inclined section 55, the elastic force of the second spring 41 is released, driving the first side rod 42 to reset to the right. Finally, when the driving frame 50 descends to the limit position, the first side rod 42 reaches the position of the upper vertical section 56. At this time, the limiting plate 40 extends to the right again and blocks above the lifting plate 30.

[0058] At this time, the horizontal portion 32 of the lifting plate 30 reaches the position of the communication groove 26, and the upper surface of the horizontal portion 32 is lower than the upper groove wall of the communication groove 26. The electrophoresis buffer solution above the horizontal portion 32 will enter the communication groove 26 and then enter the lower chamber 24 through the through hole 25.

[0059] After the electrophoresis of the automotive parts is completed, the lifting frame 11 drives the carrier 15 to rise, so that the automotive parts leave the electrophoresis tank 16, and then the driving frame 50 and the lifting plate 30 both rise and reset.

[0060] As Figure 2As shown, a cylinder 60 is installed near the bottom on the right side of the auxiliary box body 20, and the telescopic part of the cylinder 60 penetrates into the lower chamber 24. A pressing plate 61 is installed in the lower chamber 24 to slide hermetically in the left-right direction, and the pressing plate 61 is fixedly connected to the telescopic part of the cylinder 60. A liquid inlet 18 penetrating left and right is opened near the bottom of the right panel of the electrophoresis tank 16, and a one-way valve (not shown in the figure) is installed in the liquid inlet 18. The lower chamber 24 is communicated with the electrophoresis tank 16 through the liquid inlet 18. The cylinder 60 drives the pressing plate 61 to move to the left, and squeezes the electrophoresis buffer solution in the lower chamber 24 into the electrophoresis tank 16 through the liquid inlet 18.

[0061] As Figure 3 , Figure 4 and Figure 7 shown, the liquid replenishing unit includes a sliding plate 70, a fourth spring 71, a second side rod 72, a plugging plate 73 and a liquid storage tank 75.

[0062] A sliding plate 70 is horizontally slidably installed on the right panel of the electrophoresis tank 16 in the left-right direction. The sliding plate 70 is connected to the electrophoresis tank 16 through a fourth spring 71. That is, one end of the fourth spring 71 is fixedly connected to the sliding plate 70, and the other end is fixedly connected to the electrophoresis tank 16. The fourth spring 71 can provide elastic force for the reset of the sliding plate 70.

[0063] Second side rods 72 are fixedly installed on both the front and rear sides of the sliding plate 70. The front and rear two second side rods 72 are coaxially arranged, and their axes extend in the front-rear direction. The second side rod 72 is located on the lifting path of the pushing part 57 on the driving frame 50. When the pushing part 57 descends, it can abut against the second side rod 72.

[0064] A plugging plate 73 is horizontally slidably installed on the right side of the sliding plate 70, and the plugging plate 73 is connected to the sliding plate 70 through a spring. The plugging plate 73 is located at the bottom of the partition plate 22 and is slidably matched with the partition plate 22. A plurality of jacks 74 are provided on the plugging plate 73, and the jacks 74 are arranged corresponding to the plug blocks 35 up and down.

[0065] A liquid storage tank 75 is provided on the right side of the auxiliary box body 20, and new electrophoresis buffer solution is stored in the liquid storage tank 75. A liquid discharge port 76 penetrating left and right is provided on the side wall of the auxiliary box body 20. The liquid discharge port 76 communicates the liquid storage tank 75 with the lower chamber 24. The right end of the plugging plate 73 has a convex part, and the convex part is inserted into the liquid discharge port 76 to block it.

[0066] When the electrophoresis buffer solution overflowing in the electrophoresis tank 16 is sufficient, the lifting plate 30 can descend to the bottom limit position. When the overflowing electrophoresis buffer solution gradually decreases, the lifting plate 30 cannot descend to the limit position and cannot cross the limiting plate 40. When the lifting plate 30 can descend to the bottom limit position, the plug block 35 will be inserted into the jack 74 to limit the sliding of the plugging plate 73.

[0067] Each time the driving frame 50 descends, the pushing part 57 will push the second side rod 72 to move to the left. When the insertion block 35 is inserted into the insertion hole 74, it means that there is enough electrophoresis buffer solution in the electrophoresis tank 16, and the sliding plate 70 cannot pull the blocking plate 73 to move, and the spring connected between the two will be stretched. When the electrophoresis buffer solution in the electrophoresis tank 16 decreases, the insertion block 35 cannot be inserted into the insertion hole 74, and the sliding plate 70 will pull the blocking plate 73 to move to the left to open the liquid discharge port 76, and the electrophoresis buffer solution in the liquid storage tank 75 will enter the lower chamber 24 to supplement the electrophoresis buffer solution, so as to always keep enough electrophoresis buffer solution in the electrophoresis tank 16.

[0068] A stirring blade 19 is also rotatably installed at the bottom of the electrophoresis tank 16. The liquid inlet ports 18 in the liquid replenishing modules on the left and right sides are arranged with a front-back offset, and the liquid inlet ports 18 face the blades of the stirring blade 19. That is, the liquid inlet port 18 on the right panel of the electrophoresis tank 16 is located at a position near the rear side of the bottom, and the liquid inlet port 18 on the left panel of the electrophoresis tank 16 is located at a position near the front side of the bottom. Therefore, when the electrophoresis buffer solution in the lower chambers 24 on the left and right sides enters the electrophoresis tank 16 from the liquid inlet ports 18, it can drive the stirring blade 19 to rotate, and the stirring blade 19 can disturb the electrophoresis buffer solution in the electrophoresis tank 16, so that the components in the electrophoresis buffer solution can be more evenly distributed.

[0069] The working principle of the present invention is as follows: When the sliding block 13 drives the automotive parts on the carrier 15 to move directly above the electrophoresis tank 16, electrophoresis of the automotive parts begins. The lifting frame 11 drives the carrier 15 to descend into the electrophoresis buffer solution in the electrophoresis tank 16, so that the automotive parts enter the electrophoresis buffer solution. As the automotive parts gradually enter the electrophoresis buffer solution, the liquid level of the electrophoresis buffer solution rises, and the electrophoresis buffer solution gradually overflows from the overflow port 17. The overflowed electrophoresis buffer solution enters the upper chamber 23. The overflowed electrophoresis buffer solution falls above the lower lifting plate 30 after being filtered by the screen 21. As more and more electrophoresis buffer solution overflows, under the action of gravity, the lifting plate 30 quickly descends, and the first spring 31 will be compressed until the lower surface of the horizontal portion 32 of the lifting plate 30 abuts against the upper surface of the limiting plate 40. That is, the limiting plate 40 restricts the descent of the lifting plate 30. At this time, the vertical portion 33 of the lifting plate 30 completely blocks the communication groove 26, and the horizontal portion 32 is located above the communication groove 26. As the lifting frame 11 drives the carrier 15 to continue descending, when the carrier 15 descends close to the limit position, the mounting portion of the carrier 15 will downwardly press the horizontal rod portion of the driving frame 50, causing the driving frame 50 to descend. The first side rod 42 moves from the lower vertical section 53 to the lower inclined section 54. The lower inclined section 54 abuts against the first side rod 42 and pushes the first side rod 42 to move to the left. The second spring 41 will be compressed, causing the limiting plate 40 to move to the left. The limiting plate 40 completely retracts into the right panel of the electrophoresis tank 16, releasing the restriction on the lifting plate 30. The lifting plate 30 quickly descends and passes over the limiting plate 40. When the first side rod 42 enters the upper inclined section 55, the elastic force of the second spring 41 is released, driving the first side rod 42 to reset to the right. Finally, when the driving frame 50 descends to the limit position, the first side rod 42 reaches the upper vertical section 56 position. At this time, the limiting plate 40 extends to the right again and blocks above the lifting plate 30. At this time, the horizontal portion 32 of the lifting plate 30 reaches the position of the communication groove 26, and the upper surface of the horizontal portion 32 is lower than the upper groove wall of the communication groove 26. The electrophoresis buffer solution above the horizontal portion 32 will enter the communication groove 26 and then enter the lower chamber 24 through the through holes 25. After the electrophoresis of the automotive parts is completed, the lifting frame 11 drives the carrier 15 to rise, so that the automotive parts leave the electrophoresis tank 16. Then the driving frame 50 and the lifting plate 30 both rise and reset. The air cylinder 60 drives the pressing plate 61 to move to the left, and squeezes the electrophoresis buffer solution in the lower chamber 24 into the electrophoresis tank 16 through the liquid inlet 18.

[0070] Each time the driving frame 50 descends, the pushing part 57 will push the second side rod 72 to move to the left. When the insertion block 35 is inserted into the insertion hole 74, it means that there is enough electrophoresis buffer solution in the electrophoresis tank 16, and the sliding plate 70 cannot pull the blocking plate 73 to move, and the spring connected between the two will be stretched. When the electrophoresis buffer solution in the electrophoresis tank 16 decreases, the insertion block 35 cannot be inserted into the insertion hole 74, and the sliding plate 70 pulls the blocking plate 73 to move to the left to open the liquid discharge port 76, and the electrophoresis buffer solution in the liquid storage tank 75 enters the lower chamber 24 to supplement the electrophoresis buffer solution, so as to always keep a sufficient amount of electrophoresis buffer solution in the electrophoresis tank 16.

[0071] Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are exemplary and should not be construed as limiting the present invention. Those of ordinary skill in the art can make changes, modifications, substitutions and variations to the above embodiments within the scope of the present invention.

Claims

1. An electrophoretic device for the production of automotive parts, comprising: A support, an electrophoresis tank, a moving component provided on the support, and a carrier provided at the output end of the moving component, characterized in that an overflow port and a liquid inlet are formed on the side wall of the electrophoresis tank, a one-way valve is provided in the liquid inlet, and a liquid replenishing module is further provided on the electrophoresis tank. The liquid replenishing module includes a circulation unit and a liquid replenishing unit; The circulation unit includes a secondary box body provided on the electrophoresis tank. A partition is provided in the secondary box body to form an upper chamber and a lower chamber inside. The overflow port is located in the upper chamber, and the liquid inlet is located in the lower chamber. A communication groove communicating with the lower chamber is provided in the upper chamber. A lifting plate is elastically slidably fitted up and down in the upper chamber. A limiting plate is elastically slidably provided on the side wall of the electrophoresis tank. A driving frame is elastically slidably provided vertically on the electrophoresis tank. The driving frame has a driving portion abutting against the limiting plate. When the driving frame moves up and down, it can push the limiting plate to slide. A pushing portion is further provided on the driving frame. A pressing plate is horizontally and sealingly slidably provided in the lower chamber; The liquid replenishing unit includes a sliding plate elastically slidable on the side wall of the electrophoresis tank. When the pushing portion descends, it can push the sliding plate to slide. A plugging plate is elastically slidably fitted on the sliding plate. The plugging plate has a jack. An inserting block adapted to the jack is provided on the lifting plate. A liquid storage tank is provided on the secondary box body. The liquid storage tank is provided with a liquid discharge port communicating with the lower chamber. The plugging plate is inserted into the liquid discharge port to control its opening and closing.

2. The electrophoresis equipment for automobile part production according to claim 1, characterized in that, A screen is provided in the upper chamber, and the screen is located below the overflow port.

3. An electrophoretic device for the production of automotive parts according to claim 1, characterized in that, A first spring is provided between the lifting plate and the partition. The lifting plate has an L-shaped structure and includes a horizontal portion and a vertical portion.

4. The electrophoresis equipment for manufacturing automotive parts according to claim 1, wherein, The driving frame has an inverted U-shaped structure and includes a horizontal rod portion and two vertical rod portions. The horizontal rod portion is fixed to the upper ends of the two vertical rod portions. A vertically arranged installation groove is formed on the electrophoresis tank. The vertical rod portions are slidably assembled in the installation groove, and the upper ends of the vertical rod portions are located above the electrophoresis tank.

5. An electrophoresis device for the production of automotive parts according to any one of claims 1-4, characterized in that, The driving portion includes a lower vertical section, a lower inclined section, an upper inclined section, and an upper vertical section. The lower vertical section, the lower inclined section, the upper inclined section, and the upper vertical section are arranged in sequence from bottom to top and are connected to each other. The lower inclined section gradually inclines downward from left to right, the upper inclined section gradually inclines upward from left to right, and the lower inclined section and the upper inclined section are arranged in a shape of an inverted V.

6. The electrophoretic equipment for automobile part production according to claim 5, characterized in that, The pushing portion is inclined, and the pushing portion gradually inclines downward from left to right.

7. An electrophoresis device for automobile part production according to claim 6, characterized in that, First side rods are fixedly installed on the front and rear side walls of the limiting plate. Both first side rods are cylindrical structures and are coaxially arranged.

8. An electrophoresis device for producing automotive parts according to claim 7, characterized in that, A stirring blade is rotatably installed at the bottom of the electrophoresis tank, and the liquid inlet faces the blade of the stirring blade.

9. An electrophoretic device for the production of automotive parts according to claim 8, characterized in that, Two sets of liquid replenishing modules are provided, and the two sets of liquid replenishing modules are respectively arranged on the left and right sides of the electrophoresis tank. The left and right two sets of liquid replenishing modules are symmetrically arranged.

10. An electrophoresis device for manufacturing automotive parts according to claim 1, characterized in that, The moving component includes a lifting frame slidably fitted up and down on the support. A track is provided at the bottom of the lifting frame. The length of the track extends in the left-right direction. A sliding block is slidably installed on the track in the left-right direction. A connecting rod is fixedly installed on the lower surface of the sliding block. The carrier is fixed to the lower end of the connecting rod.

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