CN112030212A

CN112030212A - Electrophoretic coating method

Info

Publication number: CN112030212A
Application number: CN202010924974.4A
Authority: CN
Inventors: 不公告发明人
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-09-06
Filing date: 2020-09-06
Publication date: 2020-12-04

Abstract

The invention discloses an electrophoretic coating film-plating method, which comprises the steps of workpiece pretreatment, electrophoretic coating, cleaning on a tank, ultra-filtration water washing and drying, wherein the electrophoretic tank is arranged between two side plates, the side plate is arranged at the top end of the base plate and used for supporting, and the top end of the base plate is fixedly provided with the control console at the position corresponding to one side of the drying bin, through the arranged driving motor, the alternate electrophoresis tank, the sliding plate and the mounting connecting plate, the dust fiber attached to the surface of the workpiece in the moving process can be reduced, the rejection rate of the workpiece is reduced, the electrophoretic coating and drying efficiency of the workpiece is improved, through the arrangement of the water suction pump, the electromagnetic adsorption pipe, the separation filter screen, the grading filter screen and the containing bucket, can collect the iron-containing material and the impurity in the electrophoresis liquid, the electrophoresis liquid then can flow back and use, has improved the utilization ratio of water resource.

Description

Electrophoretic coating method

Technical Field

The invention relates to the technical field of electrophoretic coating, in particular to an electrophoretic coating method.

Background

The electrophoretic coating is a coating method which utilizes an external electric field to ensure that particles such as pigment, resin and the like suspended in electrophoretic liquid directionally migrate and are deposited on the surface of a substrate of one of electrodes, the principle of the electrophoretic coating is invented at the end of the 30 th 20 th century, but the development of the technology and the industrial application are that after 1963, the electrophoretic coating is a special coating forming method developed in the last 30 years, the electrophoretic coating is a construction process which has the most practical significance for water-based coatings, has the characteristics of water solubility, no toxicity, easy automation control and the like, and is rapidly and widely applied to industries such as automobiles, building materials, hardware, household appliances and the like;

electrophoresis coating method is when carrying out electrophoresis coating to the work piece in the existing market, and the work piece can directly be taken out and dry after electrophoresis in the electrophoresis tank, and drying chamber and electrophoresis tank are all separately independent, and it is longer to move the required distance to the drying chamber behind the work piece electrophoresis, and the surface consequently adheres to dust fibre easily, leads to work piece electrophoresis coating's effect not good, consequently leads to the rejection rate promotion of work piece electrophoresis coating easily, influences work piece electrophoresis coating's efficiency and effect.

Disclosure of Invention

The technical scheme provided by the invention can effectively solve the problems that the workpiece provided by the background technology can be directly taken out for drying after electrophoresis in the electrophoresis tank, the drying chamber and the electrophoresis tank are separated and independent, the distance required for the workpiece to move to the drying chamber after electrophoresis is longer, dust fibers are easily attached to the surface of the workpiece, the electrophoretic coating effect of the workpiece is poor, the rejection rate of electrophoretic coating of the workpiece is easily increased, and the electrophoretic coating efficiency and effect of the workpiece are influenced.

In order to achieve the purpose, the invention provides the following technical scheme: the electrophoretic coating method is characterized by comprising the following steps:

s1, workpiece pretreatment: selecting a workpiece needing film coating, and performing oil removal, rust removal, phosphorization and passivation treatment on the surface of the workpiece;

s2, electrophoretic coating: adding the pretreated workpiece into an electrophoresis tank for electrophoretic coating, and performing alternate electrophoretic coating on the workpiece by using an alternate electrophoresis mechanism;

s3, cleaning on the tank: filtering the electrophoretic liquid by using an electrophoretic liquid filtering mechanism, selecting a workpiece subjected to electrophoretic coating, placing the workpiece on an electrophoretic tank, and washing by using the filtered electrophoretic liquid;

s4, ultrafiltration and water washing: selecting a washed workpiece, placing the workpiece above an electrophoresis tank, and washing the workpiece by using ultrafiltration water;

s5, drying: and finally, placing the washed workpiece in a drying bin for drying, and performing environment-friendly emission on gas by using a high-efficiency drying emission reduction mechanism.

Compared with the prior art, the invention has the beneficial effects that: the invention has scientific and reasonable structure and safe and convenient use:

1. through the arranged driving motor, the alternative electrophoresis tank, the alternative electric telescopic rod, the baffle plate, the guide rail, the sliding plate and the installation connecting plate, the clamped workpiece can be moved to the upper part of the electrophoresis tank and driven to move downwards to enter the electrophoresis tank for electrophoresis coating, after the electrophoresis coating of the workpiece is finished, the workpiece after electrophoresis can be moved to a drying bin for shielding and drying, meanwhile, the electrophoresis coating can be carried out after the other workpiece is clamped, the electrophoresis working and the drying working can be carried out simultaneously, the workpiece is not required to be dried after electrophoresis, the time for the workpiece to move to a drying place after electrophoresis is shorter, the dust fibers attached to the surface of the workpiece in the moving process from electrophoresis to drying of the workpiece can be effectively reduced, the rejection rate of the workpiece caused by the fact that the workpiece is dried is reduced, the total time required by electrophoresis and drying of the workpiece is reduced, and the electrophoresis coating and drying efficiency of the workpiece is, therefore, the time cost of workpiece electrophoresis and drying is reduced, the economy of the workpiece during electrophoresis coating is improved, the cost of the workpiece after electrophoresis coating is reduced, and the market competitiveness of the electrophoresis coated workpiece is improved.

2. Through the suction pump that sets up, handle the storehouse, the electromagnetic adsorption pipe, the filter bin, separate the filter screen, graded filter net and accomodate the fill, can transmit the electrophoresis liquid in the electrophoresis tank to handling in the storehouse, adsorb the iron-bearing material in the electrophoresis liquid, reduce the influence that workpiece surface adnexed scum led to the electrophoresis application, can filter and collect the impurity in the electrophoresis liquid through separating filter screen and graded filter net afterwards, the fill is accomodate to the detachable is cleared up, electrophoresis liquid after magnetic adsorption and impurity filtration can transmit to the electrophoresis tank in and continue to use, thereby when reducing the electrophoresis application, the water waste that the water resource direct discharge produced, the utilization ratio of water resource has been improved, water resource cost when having reduced the work piece application electrophoresis, thereby the resource utilization ratio of work piece application in-process has been improved.

3. Through the stoving fluorescent tube that sets up, the aspiration pump, the connecting pipe, discharge the filter screen, arrange the material pipe, collect and fight, separate the plectane, one-way nozzle and absorption storehouse, can dry the work piece after the electrophoresis, and can filter the collection and clear up the dust that contains in the gas, thereby adhere to the dust on workpiece surface when reducing the work piece and dry, also can absorb the soluble harmful gas in the discharge gas, avoid appearing because of the condition that the dust adheres to and causes work piece application effect to deteriorate, reduce the harmful gas in the work piece electrophoresis postbake discharge gas, thereby environmental protection when having increased work piece electrophoresis and drying, do not need install gas treatment equipment in addition, reduce the required fund of installation gas treatment equipment, thereby economic benefits when having improved work piece electrophoresis and drying.

4. Through the arranged cleaning motor, the contact guide wheel, the transmission belt, the cleaning sliding chute, the connecting block, the cleaning rubber strip, the placing hopper and the collecting groove, the cleaning motor can be operated to drive the contact guide wheel to rotate, so that the cleaning rubber strip is driven to move along the clip-shaped sliding rail and the clip-shaped limiting rod, the inner walls of the electrophoresis tank and the alternative electrophoresis tank are cleaned, stains attached to the inner walls of the electrophoresis tank and the alternative electrophoresis tank are reduced, the stains falling during cleaning are collected and cleaned conveniently, the cleaning difficulty of the inner walls of the electrophoresis tank and the alternative electrophoresis tank is reduced, the condition that the electrophoresis effect of a workpiece is poor due to accumulation of the stains at the bottom ends of the electrophoresis tank and the alternative electrophoresis tank is avoided, and the electrophoresis coating effect of the workpiece is ensured;

5. through the centre gripping backing plate that sets up, centre gripping electric telescopic handle, the upset motor, drive pulley, driven pulley, driving belt, interior driven gear and interior linkage shaft, can carry out the centre gripping to the work piece in the inboard and the outside respectively, be convenient for classify the centre gripping according to the shape size of work piece, the stability of work piece centre gripping has been improved, and can be when the application outside the work piece, carry out the centre gripping to the work piece in the work piece inboard, reduce the incomplete phenomenon of electrophoresis that the work piece brought because of the centre gripping, can overturn the work piece after the centre gripping simultaneously, be convenient for carry out the electrophoresis to the different angular position departments of work piece, reduce the required step and the time of follow-up adjustment work piece angle electrophoresis, be convenient for carry out the electrophoresis application of multi-angle to the work piece, the.

To sum up, through work piece electrophoresis stoving in turn, the retrieval and utilization is filtered to the electrophoresis liquid, the work piece is dried and is reduced discharging, the inside clearance of cleaning of electrophoresis tank and work piece upset adjustment centre gripping, can improve the efficiency of work piece electrophoresis application, promote the whole effect of electrophoresis application work piece, water waste when reducing work piece electrophoresis application has reduced the waste gas emission of drying after the work piece electrophoresis, thereby economic benefits when having increased work piece electrophoresis application, the feature of environmental protection when having improved work piece electrophoresis application and drying has reduced the required cost of work piece electrophoresis application, the market competition of preparing out the work piece has been improved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic view of the flow structure of the electrodeposition coating of the present invention;

FIG. 2 is a schematic view showing the construction of an electrodeposition coating device according to the present invention;

FIG. 3 is a schematic view of the installation structure of the electrophoresis tank and the drying chamber of the present invention;

FIG. 4 is a schematic diagram of the structure of an alternating electrophoresis mechanism of the present invention;

FIG. 5 is a schematic view showing the installation structure of the shielding plate and the gasket according to the present invention;

FIG. 6 is a schematic structural view of an electrophoretic fluid filtration treatment mechanism according to the present invention;

FIG. 7 is a schematic view of the mounting arrangement of the suction pump and delivery tube of the present invention;

FIG. 8 is a schematic structural view of the region A in FIG. 7 according to the present invention;

FIG. 9 is a schematic view of the mounting structure of the detaching plate and the electromagnetic absorption tube according to the present invention;

FIG. 10 is a schematic structural diagram of the efficient drying and emission reduction mechanism of the present invention;

FIG. 11 is a schematic view showing the installation structure of the suction pump and the connection pipe according to the present invention;

FIG. 12 is a schematic view of the mounting structure of the track and bucket of the present invention;

FIG. 13 is a schematic view of the wiping mechanism of the present invention;

FIG. 14 is a schematic view of the mounting structure of the wiping strip and the cleaning chute of the present invention;

FIG. 15 is a schematic view of the structure of the area B in FIG. 14 according to the present invention;

FIG. 16 is a schematic view of the flip adjustment clamping mechanism of the present invention;

FIG. 17 is a schematic view of the mounting structure of the connection knob and the rotation coupling shaft of the present invention;

FIG. 18 is a schematic view of the mounting structure of the clamping electric telescopic rod and the clamping round base plate of the present invention;

reference numbers in the figures: 1. a substrate; 2. a side plate; 3. an electrophoresis tank; 4. a drying bin; 5. a console; 6. an electrophoresis electrode;

7. an alternating electrophoresis mechanism; 701. alternating the electrophoresis tanks; 702. connecting the sliding seat; 703. a sliding plate; 704. mounting a connecting plate; 705. alternating the electric telescopic rods; 706. a drive motor; 707. a drive bevel gear; 708. a driven screw; 709. a driven bevel gear; 710. a guide rail; 711. a shielding plate; 712. a gasket; 713. a connecting frame; 714. shielding the electric telescopic rod;

8. an electrophoretic liquid filtering treatment mechanism; 801. an input tube; 802. an output pipe; 803. a processing bin; 804. a partition plate; 805. a water pump; 806. a conveying pipe; 807. a filtering bin; 808. a transport baffle; 809. separating the filter screens; 810. grading and filtering a screen; 811. a built-in plate; 812. disassembling the handle; 813. a storage hopper; 814. disassembling the plate; 815. an electromagnetic adsorption tube;

9. a high-efficiency drying and emission reduction mechanism; 901. placing a rack; 902. drying the lamp tube; 903. an exhaust absorption bin; 904. a discharge transfer pipe; 905. an exhaust hole; 906. an air pump; 907. a connecting pipe; 908. discharging the filter screen; 909. a discharge pipe; 910. a separation disc; 911. a one-way nozzle; 912. an absorption bin; 913. a slide rail; 914. a collecting hopper;

10. a wiping and cleaning mechanism; 1001. a placement groove; 1002. placing a hopper; 1003. cleaning the handle; 1004. fixing the knob; 1005. a collecting groove; 1006. a clip-shaped slide rail; 1007. a clip-shaped limiting rod; 1008. wiping the adhesive tape; 1009. cleaning the sliding chute; 1010. connecting blocks; 1011. a transmission belt; 1012. wiping the motor; 1013. a drive gear; 1014. a contact guide wheel; 1015. a driven gear; 1016. a transmission gear chain;

11. turning over and adjusting the clamping mechanism; 1101. fixing the connecting plate; 1102. connecting the side plates; 1103. rotating the clamping chamber; 1104. a connecting knob; 1105. rotating the connecting shaft; 1106. turning over a motor; 1107. a drive pulley; 1108. a driven pulley; 1109. a drive belt; 1110. an inner linkage shaft; 1111. an inner driven gear; 1112. an inner drive gear; 1113. an inner transmission toothed chain; 1114. clamping the electric telescopic rod; 1115. and clamping the round cushion plate.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.

Example (b): as shown in fig. 1, the present invention provides a technical solution, an electrophoretic coating method, comprising the following steps:

s2, electrophoretic coating: adding the pretreated workpiece into an electrophoresis tank 3 for electrophoretic coating, and performing alternate electrophoretic coating on the workpiece by using an alternate electrophoresis mechanism 7;

s3, cleaning on the tank: filtering the electrophoretic liquid by using an electrophoretic liquid filtering mechanism 8, selecting a workpiece subjected to electrophoretic coating, placing the workpiece on an electrophoresis tank 3, and washing the workpiece by using the filtered electrophoretic liquid;

s4, ultrafiltration and water washing: selecting a washed workpiece, placing the workpiece above an electrophoresis tank 3, and washing the workpiece by using ultrafiltration water;

s5, drying: and finally, placing the washed workpiece in a drying bin 4 for drying, and using a high-efficiency drying and emission reduction mechanism 9 for environment-friendly emission of gas.

As shown in fig. 2-18, the electrophoresis tank 3 is installed between two side plates 2, the side plates 2 are installed on the top end of the substrate 1 for supporting, one end of the electrophoresis tank 3 is fixedly connected with a drying chamber 4, a console 5 is fixedly installed on the top end of the substrate 1 corresponding to one side of the drying chamber 4, and electrophoresis electrodes 6 are uniformly and symmetrically connected to the inner walls of the two ends of the electrophoresis tank 3;

an alternate electrophoresis mechanism 7 is arranged at the top end of the substrate 1 corresponding to the positions above the electrophoresis tank 3 and the drying bin 4, and the alternate electrophoresis mechanism 7 comprises an alternate electrophoresis tank 701, a connecting sliding seat 702, a sliding plate 703, an installation connecting plate 704, an alternate electric telescopic rod 705, a driving motor 706, a driving bevel gear 707, a driven screw 708, a driven bevel gear 709, a guide rail 710, a shielding plate 711, a sealing gasket 712, a connecting frame 713 and a shielding electric telescopic rod 714;

an alternate electrophoresis tank 701 is fixedly installed at a position, corresponding to one end of a drying bin 4, of the top end of a substrate 1, a connecting sliding seat 702 is symmetrically installed between two side plates 2, sliding plates 703 are evenly installed at the bottom ends of the connecting sliding seats 702 in a sliding mode, an installation connecting plate 704 is fixedly connected to the bottom end of each sliding plate 703, an alternate electric telescopic rod 705 is installed at the top end of each installation connecting plate 704 in a penetrating mode, a driving motor 706 is fixedly connected to one end of one side plate 2, a driving bevel gear 707 is fixedly connected to an output shaft of each driving motor 706, a driven screw 708 is rotatably installed at a position, corresponding to the position of each sliding plate 703, of one end of each;

guide rails 710 are symmetrically connected to the inner walls of two ends of the drying bin 4, shielding plates 711 are symmetrically and slidably mounted on the positions, corresponding to the guide rails 710, of the inner walls of the drying bin 4, sealing gaskets 712 are connected to one ends of the two shielding plates 711, a connecting frame 713 is fixedly mounted at one end of the drying bin 4, and a shielding electric telescopic rod 714 is connected to one end of the connecting frame 713, corresponding to the position of the shielding plates 711;

the input end of the control console 5 is electrically connected with the output end of a commercial power, the output end of the control console 5 is electrically connected with the input ends of the alternating electric telescopic rods 705, the driving motor 706 and the shielding electric telescopic rods 714, the driving bevel gear 707 is in meshing connection with the driven bevel gear 709, the driven screw 708 is in meshing connection with the sliding plate 703, the distance between the axes of the two alternating electric telescopic rods 705 is equal to the minimum distance between the alternating electrophoresis tank 701 and the electrophoresis tank 3, the hollow ceramic plate is embedded in the shielding plate 711, and the driving motor 706 can drive the sliding plate 703 to move when rotating.

One end of the electrophoresis tank 3 and one end of the alternative electrophoresis tank 701 are connected with an electrophoresis liquid filtering treatment mechanism 8, and the electrophoresis liquid filtering treatment mechanism 8 comprises an input pipe 801, an output pipe 802, a treatment bin 803, a separation plate 804, a water pump 805, a transmission pipe 806, a filtering bin 807, a transmission baffle 808, a separation filter screen 809, a graded filter screen 810, an embedded plate 811, a detachable handle 812, a containing hopper 813, a detachable plate 814 and an electromagnetic adsorption pipe 815;

an input pipe 801 is fixedly connected to one end of each of the electrophoresis tank 3 and the alternate electrophoresis tank 701, an output pipe 802 is connected to one end of each of the electrophoresis tank 3 and the alternate electrophoresis tank 701 corresponding to the position above the input pipe 801, a treatment bin 803 is installed at one end of each of the input pipe 801 and the output pipe 802, a partition plate 804 is fixedly connected to the inner wall of the treatment bin 803, a water suction pump 805 is connected to the inner wall of the bottom end of the treatment bin 803, a transmission pipe 806 is fixedly connected to a water outlet of the water suction pump 805, a filter bin 807 is connected to the position, corresponding to the transmission pipe 806, of the bottom end of the partition plate 804, a transmission baffle 808 is connected to the position, corresponding to the transmission pipe 806, of the inner wall of the bottom end of the filter bin 807, a partition filter screen;

an embedded plate 811 is uniformly embedded and mounted at a position, corresponding to the position of the partition screen 809, of one end of the treatment bin 803, a disassembly handle 812 is connected at one end of the embedded plate 811, a containing hopper 813 is connected at the other end of the embedded plate 811, a disassembly plate 814 is embedded and mounted at a position, corresponding to the two sides of the embedded plate 811, of one end of the disassembly plate 814, and an electromagnetic adsorption tube 815 is uniformly connected at a position, corresponding to the inner side of the treatment bin 803, of one end of the disassembly plate 814;

the output electric connection suction pump 805 of control cabinet 5 and the input of electromagnetic adsorption pipe 815, the quantity of hierarchical filter screen 810 is 3, and the aperture of three hierarchical filter screen 810 reduces from supreme down gradually, and the sealing washer is installed with the junction of treatment storehouse 803 to embedding board 811, and the shape of hierarchical filter screen 810 is the bellied circular in center, adjacent two the interval of hierarchical filter screen 810 is 50mm, has increased the sealing performance of embedding board 811 and treatment storehouse 803 junction.

One end of the drying bin 4 is provided with an efficient drying and emission reduction mechanism 9, and the efficient drying and emission reduction mechanism 9 comprises a placing frame 901, a drying lamp tube 902, an emission absorption bin 903, an emission transmission tube 904, an exhaust hole 905, an air suction pump 906, a connecting tube 907, an emission filter screen 908, a discharge tube 909, a separation circular plate 910, a one-way nozzle 911, an absorption bin 912, a slide rail 913 and a collection hopper 914;

placing racks 901 are arranged on the inner walls of two ends and the inner wall of the bottom end of a drying bin 4, drying lamp tubes 902 are uniformly connected to the inner walls of the placing racks 901, a discharge absorption bin 903 is fixedly connected to one end of the drying bin 4, a discharge transmission pipe 904 is connected to the top end of the discharge absorption bin 903, exhaust holes 905 are uniformly formed in the position, corresponding to one side of the discharge transmission pipe 904, of the top end of the discharge absorption bin 903, an air suction pump 906 is arranged in the position, corresponding to the discharge transmission pipe 904, of the top end of the discharge absorption bin 903, a connecting pipe 907 is arranged in the position of an air outlet hole of the air suction pump 906, a discharge filter screen 908 is connected to the inner;

one end of the connecting pipe 907 is fixedly connected with an absorption bin 912, one end of the connecting pipe 907 penetrates through the absorption bin 912 and is fixedly connected with a separation circular plate 910, one end of the separation circular plate 910 is uniformly connected with one-way nozzles 911, the bottom end of the emission absorption bin 903 is symmetrically connected with sliding rails 913, and the bottom end of the sliding rails 913 is slidably provided with a collection hopper 914;

the output end of the console 5 is electrically connected with the input ends of the drying lamp tube 902 and the air pump 906, the bottom end of the discharge tube 909 passes through the discharge absorption bin 903 and stays at the inner side of the collection hopper 914, and the installation angle of the discharge filter screen 908 is 30 degrees, so that the discharge filter screen 908 can filter out dust and fall off conveniently.

The inner walls of the electrophoresis tank 3 and the alternate electrophoresis tank 701 are respectively provided with a wiping cleaning mechanism 10, and the wiping cleaning mechanism 10 comprises a placing groove 1001, a placing hopper 1002, a cleaning handle 1003, a fixing knob 1004, a collecting groove 1005, a clip-shaped slide rail 1006, a clip-shaped limit rod 1007, a wiping rubber strip 1008, a cleaning slide groove 1009, a connecting block 1010, a transmission belt 1011, a wiping motor 1012, a driving gear 1013, a contact guide wheel 1014, a driven gear 1015 and a transmission toothed chain 1016;

a placing groove 1001 is respectively arranged at one end of the electrophoresis tank 3 and one end of the alternative electrophoresis tank 701, a placing hopper 1002 is placed in the placing groove 1001, a cleaning handle 1003 is connected at one end of the placing plate 1002, a fixing knob 1004 is embedded and installed at the position of the two sides of the cleaning handle 1003 corresponding to one end of the placing hopper 1002, a collecting groove 1005 is arranged at the top end of the placing hopper, clip-shaped slide rails 1006 are symmetrically connected with the inner walls of the electrophoresis tank 3 and the alternative electrophoresis tank 701, clip-shaped limit rods 1007 are connected at the positions above the clip-shaped slide rails 1006 corresponding to the inner walls of the electrophoresis tank 3 and the alternative electrophoresis tank 701, a wiping rubber strip 1008 is slidably installed at the outer sides of the clip-shaped slide rails 1006 and the clip-shaped limit rods 1007, a cleaning slide groove 1009 of the electrophoresis tank 3 and the alternative electrophoresis tank 701 is arranged, a connecting block 1010 is fixedly installed at the position corresponding to the cleaning slide groove 1009, a driving belt 1011 is slidably installed at the inner wall of the cleaning slide groove 1008, the output shaft of the wiping motor 1012 is fixedly connected with a driving gear 1013, the inner wall of the bottom end of the cleaning chute 1009 is rotatably provided with a contact guide wheel 1014, the top end of the contact guide wheel 1014 is fixedly connected with a driven gear 1015, and the outer sides of the driving gear 1013 and the driven gear 1015 are engaged with a transmission toothed chain 1016;

the output of the console 5 is electrically connected to the input of the wiping motor 1012.

The bottom end of the alternate electric telescopic rod 705 is provided with an overturning adjusting clamping mechanism 11, and the overturning adjusting clamping mechanism 11 comprises a fixed connecting plate 1101, a connecting side plate 1102, a rotating clamping bin 1103, a connecting knob 1104, a rotating connecting shaft 1105, an overturning motor 1106, a driving pulley 1107, a driven pulley 1108, a driving belt 1109, an inner connecting shaft 1110, an inner driven gear 1111, an inner driving gear 1112, an inner driving toothed chain 1113, a clamping electric telescopic rod 1114 and a clamping circular pad 1115;

the bottom end of the alternating electric telescopic rod 705 is provided with a fixed connecting plate 1101, the bottom end of the fixed connecting plate 1101 is symmetrically provided with connecting side plates 1102, one end of the fixed connecting plate 1101 is rotatably provided with a rotating clamping chamber 1103, the other end of the fixed connecting plate 1101 is embedded with a connecting knob 1104, a rotating connecting shaft 1105 is rotatably arranged between the two rotating clamping chambers 1103, the bottom end of the fixed connecting plate 1101 is fixedly provided with a turnover motor 1106 corresponding to the position between the two connecting side plates 1102, an output shaft of the turnover motor 1106 is fixedly connected with a driving pulley 1107, the outer side of the rotating connecting shaft 1105 is fixedly connected with a driven pulley 1108 corresponding to the position of the driving pulley 1107, the outer sides of the driving pulley 1107 and the driven pulley 1108 are sleeved with a transmission belt 1109, the inner wall of the rotating clamping chamber 1103 is symmetrically rotatably provided with an inner connecting shaft 1110, the outer side of the inner connecting shaft 1110 is fixedly connected with an inner driven, an inner transmission toothed chain 1113 is meshed and mounted on the outer sides of the inner transmission gear 1112 and the inner driven gear 1111, two ends of an inner linkage shaft 1110 penetrate through the rotary clamping bin 1103 and are fixedly connected with a clamping electric telescopic rod 1114, and one end of the clamping electric telescopic rod 1114 is fixedly connected with a clamping circular cushion plate 1115;

the output end of the console 5 is electrically connected with the input end of the turnover motor 1106, one end of the connecting knob 1104 penetrates through the connecting side plate 1102 to be fixedly connected with the rotating clamping bin 1103, and the outer side corners of the clamping circular backing plate 1115 are smooth round corners, so that the stability of the clamping circular backing plate 1115 for clamping workpieces is improved.

The working principle and the using process of the invention are as follows: firstly, selecting a workpiece needing electrophoresis, placing the workpiece on the outer sides of the clamping circular cushion plates 1115 on the two sides, controlling the operation of the clamping electric telescopic rod 1114 through the console 5, driving the clamping circular cushion plates 1115 to move, thereby clamping the workpiece on the inner side, also placing a small workpiece on the inner sides of the clamping circular cushion plates 1115 on the two sides, driving the clamping circular cushion plates 1115 to move through the operation of the clamping electric telescopic rod 1114, thereby clamping the outer sides of the workpiece, facilitating the classification and the classification of the workpiece according to the shape and the size of the workpiece, controlling the operation of the turnover motor 1106 through the console 5 after clamping the workpiece, driving the rotation connecting shaft 1105 and the inner transmission gear 1112 through the transmission of the driving belt pulley 1107, the driven belt pulley 1108 and the transmission belt 1109, driving the rotation connecting shaft 1111 and the inner transmission gear 1112 to rotate by combining the transmission of the inner transmission toothed chain 1113, thereby driving the inner driven gear 1111 and the, the clamped workpiece is turned over, so that electrophoresis can be conveniently carried out at different angle positions of the workpiece;

then, the driving motor 706 is controlled to operate by the console 5 to drive the driving bevel gear 707 to rotate, the driving bevel gear 707 is meshed with the driven bevel gear 709 to drive the driven screw 708 to rotate, the driven screw 708 is meshed with the sliding plate 703 to drive the sliding plate 703 and the mounting connecting plate 704 to move, the clamped workpiece can be moved to the upper part of the electrophoresis tank 3, the clamped workpiece is driven to move downwards to enter the electrophoresis tank 3 by the operation of the alternating electric telescopic rod 705, the electrophoresis electrode 6 is controlled to be switched on by the console 5 to carry out electrophoretic coating on the workpiece, after the electrophoretic coating of the workpiece is finished, the driving motor 706 can be operated to drive the sliding plate 703 and the mounting connecting plate 704 to move to the position above the drying bin 4, the operation of the alternating electric telescopic rod 705 is combined to drive the electrophoretic workpiece to enter the drying bin 4, and the operation of the electric telescopic rod 714 is shielded, the shielding plate 711 is driven to move along the guide rail 710 to shield and dry the drying bin 4, the electrophoresis workpiece is dried, another workpiece can be clamped, and the electrophoresis coating is carried out by using the alternative electrophoresis tank 701, so that the electrophoresis work and the drying work can be carried out simultaneously, the time required by the electrophoresis and the drying of the workpiece is shortened, and the electrophoresis coating and drying efficiency of the workpiece is improved;

after the electrophoresis of the workpiece, the operation of the water pump 805 can be controlled by the console 5, the electrophoresis liquid in the electrophoresis tank 3 is pumped out through the input pipe 801 and is transmitted into the processing bin 803, the operation of the electromagnetic adsorption pipe 815 is controlled by the console 5, the iron-containing substances in the electrophoresis liquid entering the processing bin 803 can be adsorbed, the influence of iron slag attached to the surface of the workpiece on the electrophoretic coating is reduced, the electrophoresis liquid is transmitted into the filtering bin 807 through the transmission pipe 806, the electrophoresis liquid transmitted into the filtering bin 807 can be filtered through the separation filter screen 809 and the grading filter screen 810, the impurities generated by filtering can fall into the storage hopper 813 for collection, after the use is finished, the disassembly plate 814 and the storage hopper 813 can be disassembled 812 through disassembly, the impurities collected in the storage hopper 813 can be cleaned, the electrophoresis liquid after magnetic adsorption and impurity filtration can be transmitted into the electrophoresis tank 3 through the output pipe 802 for continuous use, therefore, the water waste caused by direct discharge of water resources during electrophoretic coating is reduced, and the utilization rate of the water resources is improved;

after the workpiece is placed in the drying bin 4, the workpiece after electrophoresis can be dried by operating the drying lamp 902 on the inner wall of the placing frame 901, the air pump 906 can be operated to pump the air in the drying bin 4 into the connecting pipe 907 through the discharge conveying pipe 904, the dust contained in the pumped air can be filtered through the discharge filter screen 908 in the connecting pipe 907, the filtered air can fall into the collecting hopper 914 through the discharge pipe 909, the filtered dust can be collected through the collecting hopper 914, and after the use, a worker can take down the collecting hopper 914 to clean the dust, so that the dust attached to the surface of the workpiece during drying can be reduced, the condition that the coating effect of the workpiece is poor due to the dust attachment is avoided, the filtered air can be discharged into the absorption bin 912 through the one-way nozzle 911 connected with one end of the partition circular plate 910, the absorption liquid stored in the absorption bin 912 can absorb soluble harmful gas in the discharged gas, so that the harmful gas in the gas at the discharge position after the electrophoresis of the workpiece is dried is reduced, and the environmental protection property of the workpiece during the electrophoresis drying is improved;

after electrophoresis of the workpiece is finished, the operation of the wiping motor 1012 is controlled by the console 5, the operation of the wiping motor 1012 drives the driving gear 1013 to rotate, and in combination with the meshing transmission of the transmission toothed chain 1016, the driven gear 1015 and the contact guide wheel 1014 are driven to rotate, through the contact between the contact guide wheel 1014 and the transmission belt 1011, the contact guide wheel 1014 drives the transmission belt 1011 to move along the cleaning chute 1009 when rotating, thereby driving the wiping rubber strip 1008 to move along the clip-shaped slide rail 1006 and the clip-shaped spacing rod 1007 through the connecting block 1010, the inner walls of the electrophoresis tank 3 and the alternate electrophoresis tank 701 can be wiped by the wiping rubber strip 1008, therefore, stains attached to the inner walls of the electrophoresis tank 3 and the alternate electrophoresis tank 701 are reduced, the stains falling after being wiped can fall into the collecting groove 1005 at the top end of the placing bucket 1002, and a worker can rotate the fixing knob 1004 after use to detach the placing bucket 1002.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The electrophoretic coating method is characterized by comprising the following steps:

2. The method according to claim 1, wherein the electrophoresis tank is mounted between two side plates, the side plates are mounted on top of the base plate for supporting, one end of the electrophoresis tank is fixedly connected with the drying chamber, a console is fixedly mounted on the top of the base plate corresponding to one side of the drying chamber, and electrophoresis electrodes are uniformly and symmetrically connected to inner walls of two ends of the electrophoresis tank;

the top end of the substrate is provided with an alternative electrophoresis mechanism corresponding to the positions above the electrophoresis tank and the drying bin, and the alternative electrophoresis mechanism comprises an alternative electrophoresis tank, a connecting slide seat, a sliding plate, an installation connecting plate, an alternative electric telescopic rod, a driving motor, a driving bevel gear, a driven screw, a driven bevel gear, a guide rail, a shielding plate, a sealing gasket, a connecting frame and a shielding electric telescopic rod;

an alternate electrophoresis tank is fixedly arranged at the position, corresponding to one end of the drying bin, of the top end of the base plate, a connecting sliding seat is symmetrically arranged between the two side plates, a sliding plate is uniformly and slidably arranged at the bottom end of the connecting sliding seat, an installation connecting plate is fixedly connected to the bottom end of the sliding plate, an alternate electric telescopic rod is arranged at the top end of the installation connecting plate in a penetrating mode, one end of one side plate is fixedly connected with a driving motor, an output shaft of the driving motor is fixedly connected with a driving bevel gear, a driven screw rod is rotatably arranged at the position, corresponding to the position of the sliding plate, of one end of the side plate;

guide rails are symmetrically connected to the inner walls of two ends of the drying bin, shielding plates are symmetrically and slidably mounted on the inner wall of the drying bin corresponding to the positions of the guide rails, one ends of the two shielding plates are connected with sealing gaskets, a connecting frame is fixedly mounted at one end of the drying bin, and a shielding electric telescopic rod is connected to one end of the connecting frame corresponding to the position of the shielding plate;

the input electric connection of control cabinet the output of commercial power, the output electric connection of control cabinet is electric telescopic handle, driving motor in turn and shelters from electric telescopic handle's input.

3. The method according to claim 1, wherein the driving bevel gear is engaged with the driven bevel gear, the driven screw is engaged with the sliding plate, the distance between the axes of the two alternating electric telescopic rods is equal to the minimum distance between the alternating electrophoresis tanks, and the hollow ceramic plate is embedded inside the shielding plate.

4. The method according to claim 1, wherein one end of the electrophoretic bath and the alternate electrophoretic bath is connected with an electrophoretic liquid filtering mechanism, and the electrophoretic liquid filtering mechanism comprises an input pipe, an output pipe, a processing bin, a partition plate, a water pump, a transmission pipe, a filtering bin, a transmission baffle plate, a partition filter screen, a grading filter screen, an embedded plate, a detachable handle, a containing hopper, a detachable plate and an electromagnetic adsorption pipe;

one end of each of the electrophoresis tank and the alternate electrophoresis tank is fixedly connected with an input pipe, one end of each of the electrophoresis tank and the alternate electrophoresis tank is connected with an output pipe at a position corresponding to the upper part of the input pipe, one end of each of the input pipe and the output pipe is provided with a processing bin, the inner wall of each of the processing bins is fixedly connected with a partition plate, the inner wall of the bottom end of each of the processing bins is connected with a water suction pump, the water outlet of each water suction pump is fixedly connected with a transmission pipe, the position, corresponding to the transmission pipe, of the bottom end of each partition plate is connected with a filtering bin, the position, corresponding to the transmission pipe, of the inner wall of the bottom end of each filtering bin is connected with a separation filter screen at;

an embedded plate is uniformly embedded and mounted at a position, corresponding to the position of the separation filter screen, of one end of the treatment bin, a dismounting handle is connected to one end of the embedded plate, a containing hopper is connected to the other end of the embedded plate, dismounting plates are embedded and mounted at positions, corresponding to the two sides of the embedded plate, of one end of the treatment bin, and electromagnetic adsorption tubes are uniformly connected at positions, corresponding to the inner side of the treatment bin, of one end of each dismounting plate;

the output end of the control console is electrically connected with the water suction pump and the input end of the electromagnetic adsorption tube.

5. The electrodeposition coating method according to claim 4, wherein the number of the graded filter screens is two, the apertures of three graded filter screens are gradually reduced from bottom to top, the sealing ring is mounted at the joint of the insertion plate and the treatment chamber, the graded filter screens are in a circular shape with a convex center, and the interval between two adjacent graded filter screens is 50 mm.

6. The electrophoretic coating film coating method according to claim 1, wherein one end of the drying bin is provided with a high-efficiency drying emission reduction mechanism, and the high-efficiency drying emission reduction mechanism comprises a placing frame, a drying lamp tube, a discharge absorption bin, a discharge transmission tube, an exhaust hole, an air suction pump, a connecting tube, a discharge filter screen, a discharge tube, a separation circular plate, a one-way nozzle, an absorption bin, a slide rail and a collection hopper;

the device comprises a drying bin, a discharge absorption bin, a discharge transmission pipe, an exhaust hole, an air suction pump, a connecting pipe, a discharge filter screen and a discharge filter screen, wherein the inner walls of two ends and the inner wall of the bottom end of the drying bin are both provided with placing frames, the inner walls of the placing frames are uniformly connected with drying lamp tubes, one end of the drying bin is fixedly connected with the discharge absorption bin, the top end of the discharge absorption bin is connected with the discharge transmission pipe, the position of the top end of the discharge absorption bin, which corresponds to one side of the discharge transmission pipe, is uniformly provided with the exhaust hole, the position of the top end of the discharge absorption bin, which corresponds to the position of;

one end of the connecting pipe is fixedly connected with an absorption bin, one end of the connecting pipe penetrates through the absorption bin and is fixedly connected with a separation circular plate, one end of the separation circular plate is uniformly connected with one-way nozzles, the bottom end of the emission absorption bin is symmetrically connected with a sliding rail, and the bottom end of the sliding rail is slidably provided with a collection hopper;

the output end of the control console is electrically connected with the drying lamp tube and the input end of the air pump.

7. The electrodeposition coating method according to claim 6, wherein the bottom end of the discharge pipe passes through the discharge absorption chamber and stays inside the collection hopper, and the installation angle of the discharge screen is 30 degrees.

8. The electrophoretic coating film coating method according to claim 1, wherein the inner walls of the electrophoretic bath and the alternating electrophoretic bath are respectively provided with a wiping and cleaning mechanism, and the wiping and cleaning mechanism comprises a placing groove, a placing hopper, a cleaning handle, a fixing knob, a collecting groove, a clip-shaped sliding rail, a clip-shaped limiting rod, a wiping rubber strip, a cleaning sliding groove, a connecting block, a transmission belt, a wiping motor, a driving gear, a contact guide wheel, a driven gear and a transmission toothed chain;

the electrophoresis tank and the alternate electrophoresis tank are respectively provided with a placing groove at one end, a placing hopper is placed in the placing groove, one end of the placing plate is connected with a cleaning handle, the other end of the placing hopper is embedded and provided with a fixing knob corresponding to the positions of the two sides of the cleaning handle, the top end of the placing hopper is provided with a collecting groove, the inner walls of the electrophoresis tank and the alternate electrophoresis tank are symmetrically connected with a clip-shaped slide rail, the inner walls of the electrophoresis tank and the alternate electrophoresis tank are connected with a clip-shaped limiting rod corresponding to the positions above the clip-shaped slide rail, the outer sides of the clip-shaped slide rail and the clip-shaped limiting rod are slidably provided with a cleaning rubber strip, the electrophoresis tank and the alternate electrophoresis tank are provided with a cleaning slide groove, one end of the cleaning rubber strip is fixedly provided with a connecting block corresponding to the position of the cleaning slide groove, the inner wall of the cleaning slide groove is slidably provided with a driving, an output shaft of the wiping motor is fixedly connected with a driving gear, a contact guide wheel is rotatably mounted on the inner wall of the bottom end of the cleaning chute, a driven gear is fixedly connected to the top end of the contact guide wheel, and a transmission toothed chain is mounted on the outer sides of the driving gear and the driven gear in a meshed manner;

the output end of the control console is electrically connected with the input end of the wiping motor.

9. The electrophoretic coating method according to claim 1, wherein the bottom end of the alternating electric telescopic rod is provided with a turnover adjusting clamping mechanism, and the turnover adjusting clamping mechanism comprises a fixed connecting plate, a connecting side plate, a rotary clamping bin, a connecting knob, a rotary connecting shaft, a turnover motor, a driving belt pulley, a driven belt pulley, a driving belt, an inner connecting shaft, an inner driven gear, an inner driving toothed chain, a clamping electric telescopic rod and a clamping round cushion plate;

the bottom end of the alternating electric telescopic rod is provided with a fixed connecting plate, the bottom end of the fixed connecting plate is symmetrically provided with connecting side plates, one end of the fixed connecting plate is rotatably provided with a rotating clamping chamber, the other end of the fixed connecting plate is embedded with a connecting knob, a rotating connecting shaft is rotatably arranged between the two rotating clamping chambers, the bottom end of the fixed connecting plate is fixedly provided with a turnover motor corresponding to the position between the two connecting side plates, an output shaft of the turnover motor is fixedly connected with a driving belt pulley, the outer side of the rotating connecting shaft is fixedly connected with a driven belt pulley corresponding to the position of the driving belt pulley, the outer sides of the driving belt pulley and the driven belt pulley are sleeved with a transmission belt, the inner wall of the rotating clamping chamber is symmetrically rotatably provided with an inner connecting shaft, the outer side of the inner connecting shaft is fixedly connected with an inner driven gear, and the outer side, the outer sides of the inner transmission gear and the inner driven gear are meshed with an inner transmission toothed chain, two ends of the inner linkage shaft penetrate through the rotating clamping bin and are fixedly connected with a clamping electric telescopic rod, and one end of the clamping electric telescopic rod is fixedly connected with a clamping round base plate;

the output end of the control console is electrically connected with the input end of the turnover motor.

10. The electrophoretic coating method according to claim 9, wherein one end of the connecting knob passes through the connecting side plate and is fixedly connected with the rotary clamping chamber, and the outer side corners of the clamping round backing plate are smooth round corners.