Electrophoretic coating equipment and method

Abstract

The present invention relates to the technical field of electrophoretic coating, and discloses an electrophoretic coating device and method, including a cross bar, a conveying mechanism, a driving motor 1, an electrophoretic coating box, a drying box and a clamping and rotating mechanism, longitudinal bars are welded and distributed between the transverse parts of the cross bar, support bars are welded at both transverse ends of the cross bar, and a bottom plate is welded at the bottom of the support bar; the electrophoretic coating box is arranged at the upper side end of the bottom plate; the conveying mechanism is arranged below the cross bar and the longitudinal bar, and the conveying mechanism includes a pad 1, a pad 2, a conveying frame 1, a conveying frame 2 and a chain; the clamping and rotating mechanism is fixedly arranged at the bottom extension of the fixed rod 2; the bottom output end of the driving motor 1 is connected to a driving shaft 1, and the bottom of the driving shaft 1 is connected to a rotating rod; an extension plate is fixedly arranged at the rear of the bottom plate, and the drying box is arranged above the extension plate. The present application automatically controls the clamping and rotating mechanism to convey the workpiece, and can accurately control the workpiece clamping, rotating, moving and adjusting to extend into the inside of the electrophoretic coating box for uniform coating, and efficiently and quickly dry the workpiece.

Description

Technical Field

[0001] The present invention relates to the technical field of electrophoretic coating, and in particular to an electrophoretic coating device and method. Background Art

[0002] Electrophoretic coating is a coating method that uses an external electric field to make the particles of pigments and resins suspended in the electrophoretic liquid migrate in a directional manner and deposit on the surface of the substrate of one of the electrodes. Electrophoretic coating is the most practical construction process for water-based coatings. It has the characteristics of water solubility, non-toxicity, and easy automation control, and has been widely used in the automotive, building materials, hardware, home appliances and other industries.

[0003] The existing electrophoretic coating equipment cannot automatically clamp the workpiece and extend it into the electrophoretic coating box for full processing, making it difficult to coat it evenly and thoroughly, and unable to achieve continuous work at different stages. The existing coating process has manual intervention, which causes many potential errors, and the efficiency and quality of electrophoretic coating are difficult to guarantee, and the cost is high. Therefore, it is necessary to design a corresponding technical solution to solve this problem. Summary of the invention

[0004] In view of the shortcomings of the prior art, the present invention provides an electrophoretic coating device and method, which solves the technical problems that it is difficult to coat the workpiece evenly and thoroughly, it is impossible to achieve continuous work in different stages, there are many potential errors caused by manual intervention, the efficiency and quality of electrophoretic coating are difficult to ensure, and the cost is high.

[0005] To achieve the above objectives, the present invention is implemented through the following technical solutions: an electrophoretic coating device, comprising a crossbar, a conveying mechanism, a driving motor, an electrophoretic coating box, a drying box and a clamping and rotating mechanism, longitudinal bars are welded and distributed between the transverse parts of the crossbar, support bars are welded at both transverse ends of the crossbar, and a bottom plate is welded at the bottom of the support bar;

[0006] The electrophoretic coating box is arranged at the upper side end of the bottom plate;

[0007] The conveying mechanism is arranged below the cross bar and the longitudinal bar, and the conveying mechanism includes a pad plate 1, a pad plate 2, a conveying frame 1, a conveying frame 2 and a chain, the ends of the conveying frame 1 and the conveying frame 2 are semicircular structures and a gap-shaped slide groove is formed in the middle, the chain is arranged below the conveying frame 1 and the conveying frame 2, and a fixed rod 1 and a fixed rod 2 are fixedly distributed between the chains at intervals, and a moving block is fixedly provided above the fixed rod 1 and the fixed rod 2, and shaft rods are fixedly provided at both ends of the moving block, and rollers are rotatably connected to the outer ends of the shaft rods, and the rollers are slidably connected to the inner upper parts of the conveying frames 1 and 2, the pad plate 1 is welded to the upper parts of the conveying frames 1 and 2 and to the outer side walls of the support rods, and the pad plate 2 is welded to the upper parts of the ends of the conveying frames 1 and 2 and to the middle of the bottom of the longitudinal bar;

[0008] The clamping and rotating mechanism is fixedly arranged at the bottom extension of the second fixing rod;

[0009] The bottom output end of the driving motor 1 is connected to the driving shaft 1, the bottom of the driving shaft 1 is connected to a rotating rod, the bottom of the rotating rod is rotatably connected to an axle seat, the axle seat is fixedly arranged above the bottom plate, a sleeve is installed near the top of the rotating rod, a connecting plate is fixedly distributed on the outside of the sleeve, a toothed ring is fixedly arranged on the outside of the connecting plate, and the outer end of the toothed ring is connected to the inner end of the chain;

[0010] An extension plate is fixedly arranged at the rear of the bottom plate, and the drying box is arranged above the extension plate.

[0011] Preferably, a fixing plate is fixedly distributed on the outer side wall of the driving motor 1, a support rod is welded to the bottom of the fixing plate, a mounting seat is welded to the bottom of the support rod, the mounting seat is installed above the longitudinal rod, and the driving shaft 1 is rotatably connected to the middle of the mounting seat; the mounting seat is used to install the driving structure above the longitudinal rod, and the fixing plate and the support rod are used to provide all-round and high-strength support to the driving motor 1.

[0012] Preferably, an inlet and outlet are provided on the top of the drying box, electric heating wires are installed around the inside of the drying box, a control device is electrically connected to the front of the drying box, a drain pipe is connected to the side bottom of the drying box, a fixed block is welded to the outer wall of the drying box, a push rod is fixedly provided at the bottom of the fixed block, an electric push rod device is connected to the bottom of the push rod, and the electric push rod device is fixed above the extension plate; the electric push rod device and the push rod are used for lifting and adjusting the height of the fixed block, the fixed block is used to support the lifting and adjusting height of the drying box, the inlet and outlet are used for inserting the workpiece for drying operation, the control device is used to automatically control the heating of the electric heating wire, heat and dry the workpiece in an annular and all-round manner, and the drain pipe is used to discharge the drained electrophoretic coating liquid.

[0013] Preferably, the clamping and rotating mechanism includes a bracket, a support plate, an electric push rod device 2, a limiting guide ring and a positioning frame 1, the bracket is an N-shaped structure, the support plate is fixedly arranged at the bottom of the bracket, the electric push rod device 2 is penetrated and fixedly arranged in the middle of the support plate, the bottom of the electric push rod device 2 is connected with a push rod 2, the limiting guide ring is slidingly connected to the outside of the push rod 2, and the positioning frame 1 is an inverted L-shaped structure welded to both sides of the limiting guide ring and the bottom of the support plate; the N-shaped bracket and the support plate are used to fix and support the electric push rod device 2, the electric push rod device 2 is used to control the telescopic adjustment of the push rod 2, the positioning frame 1 with an inverted L-shaped structure is used to fix the limiting guide ring, and the limiting guide ring is used to safely limit the telescopic adjustment of the push rod 2 to avoid shaking adjustment.

[0014] Preferably, the clamping and rotating mechanism also includes a second driving motor, an end plate and a cross plate, a shaft ring is fixedly provided at the bottom of the second push rod, the bottom of the shaft ring is rotatably connected to an extension column, the cross plate is fixedly provided at the bottom of the extension column, a shaft disk is fixedly provided near the top of the outside of the extension column, the end plate is fixedly provided near the bottom of the outside of the second push rod, the second driving motor is fixedly provided above the end plate, a second driving shaft is penetrated and connected at the bottom of the second driving motor, a shaft disk is fixedly provided at the bottom of the second driving shaft, a transmission belt is sleeved between the second shaft disk and the first shaft disk; the end plate is used to fixedly support the second driving motor, the second driving motor is used to drive and control the rotation of the second driving shaft and the second shaft disk, the second shaft disk is used to control the rotation of the shaft disk and the extension column through the transmission belt, thereby driving the rotation of the cross plate.

[0015] Preferably, a positioning plate is fixedly provided at one end of the bottom of the transverse plate, and a movable plate is slidably connected to the other end of the bottom of the transverse plate, rollers are distributed on the inner ends of the positioning plate and the movable plate, a rotating shaft rod is fixedly provided through the inside of the roller, baffles are rotatably connected to the upper and lower parts of the rotating shaft rod, and the baffles are fixed to the inner side walls of the positioning plate and the movable plate; the roller is used to clamp and position the workpiece, the movable plate is used for lateral movement and adjustment, the baffle is used to support the rotation of the rotating shaft rod, and the rotating shaft rod is used to drive the roller to rotate, and support the forward and backward movement and adjustment of the workpiece.

[0016] Preferably, a driving shaft three is fixedly provided passing through the top of the rotating shaft rod at the middle part, a driving motor three is passed through the top of the driving shaft three and is rotatably connected, and a positioning frame two is welded between the side of the driving motor three and the top of the cross plate; the positioning frame two is used for fixing and supporting the driving motor three, and the driving motor three is used for driving and controlling the driving shaft three to rotate, thereby driving the rotating shaft rod at the middle part to rotate and adjust, thereby movably adjusting the workpiece.

[0017] Preferably, the bottom of the transverse plate is symmetrically provided with slide grooves, a limit groove is provided above the slide groove, a fixed column is fixedly provided above the movable plate, a limit plate is fixedly provided above the fixed column, the limit plate is slidably connected to the limit groove, the inner rotation connection of the limit groove is connected with a lead screw, the lead screw is connected to the inner part of the limit plate by a thread, the side of the lead screw is connected with a drive motor four, and the drive motor four is fixed to the side end of the transverse plate; the drive motor four is used for driving and controlling the rotation of the lead screw, the lead screw is used for adjusting the limit plate in the limit groove through a thread, and the fixed column is used for supporting the movable adjustment of the movable plate in the slide groove.

[0018] Preferably, an electrophoretic coating method comprises the following steps:

[0019] S1, first start the electric push rod device 2 of the clamping and rotating mechanism, automatically control the extension and contraction adjustment of the push rod 2, so that the positioning plate and the movable plate under the horizontal plate move up and down, and then start the drive motor 4 to automatically control the screw to rotate, and control the limit plate to slide in the limit groove through the action of the thread, and drive the movable plate to slide horizontally through the fixed column to adjust the position, so that the rollers at the inner side of the positioning plate and the movable plate clamp the workpiece;

[0020] S2, start the driving motor 1 to automatically control the driving shaft 1 and the rotating rod supported on the shaft seat to rotate, so that the gear ring drives the chain transmission, through the fixed rod 1 and the fixed rod 2 are located between the conveying frame 1 and the conveying frame 2 sliding conveying clamping rotating mechanism, the shaft rods and rollers at both ends of the moving block are supported on the upper part of the conveying frame 1 and the conveying frame 2 to slide;

[0021] S3, when conveying to the electrophoretic coating box, start the electric push rod device 2 of the clamping and rotating mechanism again, control the workpiece to extend into the electrophoretic coating box, and start the drive motor 3 to automatically control the drive shaft 3 to rotate, drive the rotating shaft rod in the middle of the positioning plate to rotate, so that the roller in the middle of the positioning plate rotates, and slightly moves back and forth to adjust the position of the workpiece, so that it can be fully electrophoretically coated, and start the drive motor 2 to automatically control the drive shaft 2 and the shaft disc 2, and drive the shaft disc 1 and the extension column to rotate through the transmission belt, so that the cross plate can be adjusted to rotate forward and reverse, and the workpiece can be further fully mixed;

[0022] S4. When conveying to the top of the drying box, the workpiece is inserted into the drying box through the inlet and outlet, and then the drying box is heated by the control device to effectively dry and drain, making the electrophoretic coating more uniform and faster.

[0023] Compared with the prior art, the present invention has the following beneficial effects: the conveying mechanism provided facilitates the automated control of the clamping and rotating mechanism to convey the workpiece, and the workpiece clamping, rotating, moving and adjusting adjustment can be accurately and automatically controlled to extend into the electrophoretic coating box for processing, so that the workpiece is thoroughly and evenly coated, and the drying box provided ensures efficient and rapid drying of the workpiece, so that a more uniform surface treatment can be obtained and the processing time can be shortened, and the sequential automation of different stages ensures a smooth and continuous workflow, minimizes human intervention and potential errors, and helps to improve efficiency and ensure quality control in the application of electrophoretic coatings, and reduce operating costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a schematic diagram of the overall side upper viewing angle structure of the present invention;

[0025] Figure 2 It is a schematic diagram of the overall front and top viewing angle structure of the present invention;

[0026] Figure 3 It is a schematic diagram of the lower structure of the rotating mechanism of the present invention;

[0027] Figure 4 It is a schematic diagram of the structure of the conveying mechanism of the present invention;

[0028] Figure 5 It is a schematic diagram of the overall top view structure of the present invention;

[0029] Figure 6 For the present invention Figure 5 The enlarged structural diagram at A in the middle;

[0030] Figure 7 It is a schematic diagram of the upper structure of the clamping and rotating mechanism of the present invention;

[0031] Figure 8 It is a schematic diagram of the clamping activity structure of the present invention;

[0032] Fig. 9 For the present invention Figure 8 The enlarged structural diagram at B in the middle;

[0033] Fig.10 It is a schematic diagram of the upper structure of the drying mechanism of the present invention;

[0034] Fig.11 It is a side structural schematic diagram of the drying mechanism of the present invention.

[0035] In the figure, 1, horizontal bar; 11, longitudinal bar; 12, supporting bar; 13, bottom plate; 2, conveying mechanism; 21, pad 1; 22, pad 2; 23, conveying frame 1; 231, conveying frame 2; 24, chain; 25, fixed rod 1; 26, fixed rod 2; 27, moving block; 271, shaft rod; 272, roller; 3, driving motor 1; 31, mounting seat; 32, fixed plate; 321, supporting rod; 33, driving shaft 1; 34, rotating rod; 341, shaft seat; 35, sleeve; 351, connecting plate; 352, gear ring; 4, electrophoretic coating box; 5, drying box; 501, inlet and outlet; 51, extension plate; 52, control device; 53, drain pipe; 54, electric push rod device 1; 541, push rod 1; 542, fixed block; 6, clamping and rotating mechanism; 61, bracket; 62, support plate; 63, electric push rod device 2; 631, push rod 2; 632, limit guide ring; 6321, positioning frame 1; 64, shaft ring; 641, shaft disk 1; 642, extension column; 65, drive motor 2; 651, end plate; 652, drive shaft 2; 653, shaft disk 2; 66, cross plate; 67, positioning plate; 671, drive motor 3; 672, positioning frame 2; 673, drive shaft 3; 68, moving plate; 681, drive motor 4; 682, slide groove; 683, limit groove; 684, fixed column; 685, limit disk; 686, lead screw; 69, roller shaft; 691, rotating shaft rod; 692, baffle. DETAILED DESCRIPTION

[0036] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0037] See also Figure 1-Figure 11 The embodiment of the present invention provides a technical solution: an electrophoretic coating device, comprising a cross bar 1, a conveying mechanism 2, a driving motor 3, an electrophoretic coating box 4, a drying box 5 and a clamping and rotating mechanism 6, longitudinal bars 11 are welded and distributed between the transverse parts of the cross bar 1, support bars 12 are welded at both transverse ends of the cross bar 1, and a bottom plate 13 is welded at the bottom of the support bar 12;

[0038] The electrophoretic coating box 4 is arranged at the upper side end of the bottom plate 13;

[0039] The conveying mechanism 2 is arranged below the cross bar 1 and the longitudinal bar 11. The conveying mechanism 2 includes a pad 1 21, a pad 22, a conveying frame 1 23, a conveying frame 231 and a chain 24. The ends of the conveying frame 1 23 and the conveying frame 231 are semicircular structures and a gap-shaped slide groove is formed in the middle. The chain 24 is arranged below the conveying frame 1 23 and the conveying frame 231. Fixed rods 1 25 and fixed rods 26 are fixedly distributed between the chains 24 at intervals. The upper ends of the fixed rods 1 25 and the fixed rods 26 are Each side is fixed with a moving block 27, and both ends of the moving block 27 are fixed with a shaft 271, and the outer end of the shaft 271 is rotatably connected to a roller 272, and the roller 272 is slidably connected to the upper part of the inner part of the conveying frame 1 23 and the conveying frame 2 231, and the pad 1 21 is welded to the upper part of the conveying frame 1 23 and the conveying frame 2 231 and welded to the outer side wall of the support rod 12, and the pad 2 22 is welded to the upper part of the end of the conveying frame 1 23 and the conveying frame 2 231 and welded to the middle of the bottom of the longitudinal rod 11;

[0040] The clamping and rotating mechanism 6 is fixedly arranged at the bottom extension of the second fixing rod 26;

[0041] The bottom output end of the driving motor 3 is connected to a driving shaft 33, the bottom of the driving shaft 33 is connected to a rotating rod 34, the bottom of the rotating rod 34 is rotatably connected to a shaft seat 341, the shaft seat 341 is fixedly arranged above the bottom plate 13, a sleeve 35 is installed near the top of the rotating rod 34, a connecting plate 351 is fixedly distributed on the outside of the sleeve 35, a toothed ring 352 is fixedly arranged on the outside of the connecting plate 351, and the outer end of the toothed ring 352 is connected to the inner end of the chain 24;

[0042] An extension plate 51 is fixedly provided at the rear of the bottom plate 13 , and the drying box 5 is arranged above the extension plate 51 .

[0043] The conveying mechanism 2 is provided to facilitate the automatic control of the clamping and rotating mechanism 6 to convey the workpiece, and the workpiece clamping rotation movement adjustment can be accurately and automatically controlled to extend into the electrophoretic coating box 4 for processing, so that the workpiece is thoroughly and evenly coated, and the drying box 5 is provided to ensure efficient and rapid drying of the workpiece, so that a more uniform surface treatment can be obtained and the processing time can be shortened. The sequential automation of different stages ensures a smooth and continuous workflow, minimizes human intervention and potential errors, and helps to improve efficiency and ensure quality control in the application of electrophoretic coatings, and reduce operating costs.

[0044] Further improved, a fixing plate 32 is fixedly distributed on the outer side wall of the driving motor 1 3, a support rod 321 is welded to the bottom of the fixing plate 32, a mounting seat 31 is welded to the bottom of the support rod 321, the mounting seat 31 is installed above the longitudinal rod 11, and a driving shaft 1 33 penetrates and is rotatably connected to the middle of the mounting seat 31;

[0045] The mounting seat 31 is used to mount the driving structure above the longitudinal rod 11, and the fixing plate 32 and the support rod 321 are used to support the driving motor 3 in all directions with high strength.

[0046] Further improved, a material inlet and outlet port 501 is provided on the top of the drying box 5, electric heating wires are installed and distributed around the inside of the drying box 5, a control device 52 is electrically connected to the front of the drying box 5, a drainage pipe 53 is connected to the side bottom of the drying box 5, a fixing block 542 is welded and distributed on the outer wall of the drying box 5, a push rod 541 is fixedly provided at the bottom of the fixing block 542, an electric push rod device 54 is connected to the bottom of the push rod 541, and the electric push rod device 54 is fixedly provided above the extension plate 51;

[0047] The electric push rod device 54 and the push rod 541 are used to lift and adjust the height of the fixed block 542, the fixed block 542 is used to support the drying box 5 to lift and adjust the height, the inlet and outlet 501 is used to insert the workpiece for drying operation, the control device 52 is used to automatically control the heating of the electric heating wire, and heats and dries the workpiece in an annular all-round manner. The drain pipe 53 is used to discharge the drained electrophoretic coating liquid.

[0048] Further improved, the clamping and rotating mechanism 6 includes a bracket 61, a support plate 62, an electric push rod device 63, a limiting guide ring 632 and a positioning frame 6321, the bracket 61 is an N-shaped structure, the support plate 62 is fixedly arranged at the bottom of the bracket 61, the electric push rod device 63 is fixedly arranged in the middle of the support plate 62, the bottom of the electric push rod device 63 is connected with the push rod 631, the limiting guide ring 632 is limitedly slidably connected to the outside of the push rod 631, and the positioning frame 6321 is an inverted L-shaped structure welded to both sides of the limiting guide ring 632 and the bottom of the support plate 62;

[0049] The N-shaped bracket 61 and support plate 62 are used to fix and support the electric push rod device 63, and the electric push rod device 63 is used to control the telescopic adjustment of the push rod 631. The positioning frame 6321 with an inverted L-shaped structure is used to fix the limit guide ring 632, and the limit guide ring 632 is used to safely limit the telescopic adjustment of the push rod 631 to avoid shaking adjustment.

[0050] Further improved, the clamping and rotating mechanism 6 also includes a second driving motor 65, an end plate 651 and a cross plate 66, a shaft ring 64 is fixedly provided at the bottom of the second push rod 631, an extension column 642 is rotatably connected to the bottom of the shaft ring 64, a cross plate 66 is fixedly provided at the bottom of the extension column 642, a shaft disc 1 641 is fixedly provided near the top of the outside of the extension column 642, an end plate 651 is fixedly provided near the bottom of the outside of the second push rod 631, a second driving motor 65 is fixedly provided above the end plate 651, a second driving shaft 652 is connected through the bottom of the second driving motor 65, a second shaft disc 653 is fixedly provided at the bottom of the second driving shaft 652, and a transmission belt is sleeved between the second shaft disc 653 and the first shaft disc 641;

[0051] The end plate 651 is used to fix and support the second driving motor 65, and the second driving motor 65 is used to drive and control the rotation of the second driving shaft 652 and the second shaft disc 653. The second shaft disc 653 is used to control the rotation of the first shaft disc 641 and the extension column 642 through the transmission belt, thereby driving the cross plate 66 to rotate.

[0052] Further improved, a positioning plate 67 is fixedly provided at one end of the bottom of the horizontal plate 66, and a movable plate 68 is slidably connected to the other end of the bottom of the horizontal plate 66. A roller shaft 69 is distributed at the inner ends of the positioning plate 67 and the movable plate 68. A rotating shaft rod 691 is fixedly provided inside the roller shaft 69. A baffle plate 692 is rotatably connected to the upper and lower parts of the rotating shaft rod 691. The baffle plate 692 is fixedly provided on the inner side walls of the positioning plate 67 and the movable plate 68.

[0053] The roller 69 is used to clamp and position the workpiece, the moving plate 68 is used for lateral movement and adjustment, the baffle 692 is used to support the rotation of the shaft rod 691, and the shaft rod 691 is used to drive the roller 69 to rotate and support the workpiece to move forward and backward for adjustment.

[0054] Further improved, a driving shaft 3 673 is fixedly provided above the rotating shaft rod 691 in the middle, a driving motor 3 671 is rotatably connected to the driving shaft 3 673, and a positioning frame 2 672 is welded between the side of the driving motor 3 671 and the top of the horizontal plate 66;

[0055] The second positioning frame 672 is used to fix and support the driving motor 3 671, and the driving motor 3 671 is used to drive and control the driving shaft 3 673 to rotate, driving the middle rotating shaft rod 691 to rotate and adjust, thereby movably adjusting the workpiece.

[0056] Further improved, the bottom of the horizontal plate 66 is symmetrically provided with slide grooves 682, and a limit groove 683 is provided above the slide groove 682. A fixed column 684 is fixed above the movable plate 68, and a limit plate 685 is fixed above the fixed column 684. The limit plate 685 is slidably connected to the limit groove 683, and a lead screw 686 is rotatably connected inside the limit groove 683. The lead screw 686 is connected to the inside of the limit plate 685 through a thread, and the side of the lead screw 686 is connected to a drive motor 4 681, which is fixed to the side end of the horizontal plate 66.

[0057] The driving motor 4 681 is used to drive and control the rotation of the lead screw 686, and the lead screw 686 is used to adjust the limit plate 685 located inside the limit groove 683 through a threaded adjustment, and the fixed column 684 is used to support the movable plate 68 to be located in the slide groove 682 for horizontal movement adjustment.

[0058] Specifically, an electrophoretic coating method includes the following steps:

[0059] S1, first start the electric push rod device 2 63 of the clamping and rotating mechanism 6, automatically control the push rod 2 631 to extend and retract, so that the positioning plate 67 and the movable plate 68 under the horizontal plate 66 move up and down, and then start the driving motor 4 681 to automatically control the screw 686 to rotate, and control the limit plate 685 to slide in the limit groove 683 through the action of the thread, and drive the movable plate 68 to slide horizontally through the fixed column 684 to adjust the position, so that the roller shaft 69 on the inner side of the positioning plate 67 and the movable plate 68 clamps the workpiece;

[0060] S2, start the driving motor 3 to automatically control the driving shaft 1 33 and the rotating rod 34 supported on the shaft seat 341 to rotate, so that the gear ring 352 drives the chain 24 to transmit, and the sliding conveying clamping rotating mechanism 6 is located between the conveying frame 1 23 and the conveying frame 231 through the fixed rod 1 25 and the fixed rod 26, and the shaft rods 271 and the rollers 272 at both ends of the moving block 27 are supported on the inside of the conveying frame 1 23 and the conveying frame 231 to slide;

[0061] S3, when conveying to the electrophoretic coating box 4, the electric push rod device 2 63 of the clamping and rotating mechanism 6 is started again to control the workpiece to extend into the electrophoretic coating box 4, and at the same time, the driving motor 3 671 is started to automatically control the driving shaft 3 673 to rotate, driving the rotating shaft rod 691 in the middle of the positioning plate 67 to rotate, so that the roller 69 in the middle of the positioning plate 67 rotates, and the position of the workpiece is slightly moved forward and backward to adjust the position of the workpiece, so that it can be fully electrophoretically coated, and the driving motor 2 65 is started to automatically control the driving shaft 2 652 and the shaft disc 2 653, and the shaft disc 1 641 and the extension column 642 are driven to rotate through the transmission belt, so that the horizontal plate 66 is adjusted to rotate forward and reverse, and the workpiece is further fully mixed;

[0062] S4. When the workpiece is transported to the top of the drying box 5, the workpiece is inserted into the drying box 5 through the material inlet and outlet 501, and then the drying box 5 is heated by the control device 52 to effectively dry and drain the workpiece, so that the electrophoretic coating is more uniform and faster.

[0063] Working principle: first start the electric push rod device 2 63 of the clamping and rotating mechanism 6, and automatically control the push rod 2 631 to telescope and adjust, so that the positioning plate 67 and the movable plate 68 under the horizontal plate 66 move up and down, and then start the driving motor 4 681 to automatically control the rotation of the lead screw 686, and control the limit plate 685 to slide in the limit groove 683 through the action of the thread, and drive the movable plate 68 to slide horizontally through the fixed column 684 to adjust the position, so that the roller shaft 69 at the inner side of the positioning plate 67 and the movable plate 68 clamps the workpiece; start the driving motor 1 3 to automatically control the driving shaft 1 33 and the rotating rod 34 supported on the top of the shaft seat 341 to rotate, so that the gear ring 352 drives the chain 24 to transmit, and the fixed rod 1 25 and the fixed rod 26 are located between the conveying frame 1 23 and the conveying frame 2 231 to slide and convey the clamping and rotating mechanism 6, and the shafts 271 and rollers 272 at both ends of the moving block 27 are supported on the conveying frame 1 23 and the conveying frame 231 slides upward inside; when transported to the electrophoretic coating box 4, the electric push rod device 2 63 of the clamping and rotating mechanism 6 is started again to control the workpiece to extend into the interior of the electrophoretic coating box 4, and at the same time, the drive motor 3 671 is started to automatically control the drive shaft 3 673 to rotate, driving the rotating shaft rod 691 in the middle of the positioning plate 67 to rotate, so that the roller 69 in the middle of the positioning plate 67 rotates, and moves slightly back and forth to adjust the position of the workpiece so that it can be fully electrophoretically coated, and the drive motor 2 65 is started to automatically control the drive shaft 2 652 and the shaft disc 2 653, and the shaft disc 1 641 and the extension column 642 are driven to rotate through the transmission belt, so that the cross plate 66 can be adjusted to rotate forward and reverse to further fully mix the workpiece; when transported to the top of the drying box 5, after the workpiece passes through the inlet and outlet 501 and extends into the interior of the drying box 5, the control device 52 controls the heating of the drying box 5, effectively dries and drains, so that the electrophoretic coating is more uniform and faster.

[0064] The present invention comprises a cross bar 1, a longitudinal bar 11, a support bar 12, a bottom plate 13, a conveying mechanism 2, a pad 1 21, a pad 22, a conveying frame 1 23, a conveying frame 2 231, a chain 24, a fixing rod 1 25, a fixing rod 26, a moving block 27, an axle 271, a roller 272, a driving motor 1 3, a mounting seat 31, a fixing plate 32, a support rod 321, a driving shaft 1 33, a rotating rod 34, an axle seat 341, a sleeve 35, a connecting plate 351, a gear ring 352, an electrophoretic coating box 4, a drying box 5, an inlet and outlet 501, an extension plate 51, a control device 52, Discharge pipe 53, electric push rod device 1 54, push rod 1 541, fixed block 542, clamping rotation mechanism 6, bracket 61, support plate 62, electric push rod device 2 63, push rod 2 631, limit guide ring 632, positioning frame 1 6321, shaft ring 64, shaft disc 1 641, extension column 642, drive motor 2 65, end plate 651, drive shaft 2 652, shaft disc 2 653, cross plate 66, positioning plate 67, drive motor 3 671, positioning frame 2 672, drive shaft 3 673, moving plate 68, drive motor 4 681, slide 682, limit The positioning groove 683, the fixed column 684, the limit plate 685, the screw 686, the roller 69, the rotating shaft rod 691, and the baffle 692 are all universal standard parts or parts known to technical personnel in this field. Their structures and principles can be known to technical personnel in this field through technical manuals or through conventional experimental methods. The problem solved by the present invention is that it is difficult to coat the workpiece evenly and thoroughly, and it is impossible to achieve continuous work in different stages. There are many potential errors caused by manual intervention, and the efficiency and quality of electrophoretic coating are difficult to guarantee, and the cost is high. The present invention combines the above-mentioned parts with each other, and the conveying mechanism 2 is provided to facilitate the automatic control of the clamping and rotating mechanism 6 to convey the workpiece, and can accurately and automatically control the workpiece clamping rotation and movement adjustment to extend into the electrophoretic coating box 4 for internal processing, so as to thoroughly and evenly coat the workpiece, and the drying box 5 is provided to ensure efficient and rapid drying of the workpiece, so as to obtain a more uniform surface treatment and shorten the processing time. The sequential automation of different stages ensures a smooth and continuous workflow, minimizes manual intervention and potential errors, and helps to improve efficiency and ensure quality control in the application of electrophoretic coatings, and reduce operating costs.

[0065] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present invention is defined by the attached claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims are included in the present invention. Any figure mark in the claims should not be regarded as limiting the claims involved.

[0066] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. An electrophoretic coating device, comprising a crossbar (1), a conveying mechanism (2), a driving motor (3), an electrophoretic coating box (4), a drying box (5) and a clamping and rotating mechanism (6), characterized in that: The transverse sections of the crossbars (1) are welded with longitudinal bars (11), the transverse ends of the crossbars (1) are welded with support bars (12), and the bottoms of the support bars (12) are welded with bottom plates (13); The electrophoretic coating box (4) is arranged at the upper side end of the bottom plate (13); The conveying mechanism (2) is arranged below the cross bar (1) and the longitudinal bar (11), and the conveying mechanism (2) comprises a pad plate 1 (21), a pad plate 2 (22), a conveying frame 1 (23), a conveying frame 2 (231) and a chain (24). The ends of the conveying frame 1 (23) and the conveying frame 2 (231) are semicircular structures and a gap-shaped slide groove is formed in the middle. The chain (24) is arranged below the conveying frame 1 (23) and the conveying frame 2 (231). Fixed rods 1 (25) and fixed rods 2 (26) are fixedly arranged between the chains (24) at intervals. The fixed rods 1 (25) and fixed rods 2 (2 6), a moving block (27) is fixedly provided on the top of each of the moving blocks (27), shafts (271) are fixedly provided at both ends of the moving block (27), the outer end of the shaft (271) is rotatably connected to a roller (272), the roller (272) is slidably connected to the inner top of the conveying frame 1 (23) and the conveying frame 2 (231), the pad 1 (21) is welded to the top of the conveying frame 1 (23) and the conveying frame 2 (231) and is welded to the outer side wall of the support rod (12), the pad 2 (22) is welded to the top of the end of the conveying frame 1 (23) and the conveying frame 2 (231) and is welded to the middle of the bottom of the longitudinal rod (11); The clamping and rotating mechanism (6) is fixedly arranged at the bottom extension of the second fixing rod (26); The bottom output end of the driving motor 1 (3) is connected to a driving shaft 1 (33), the bottom of the driving shaft 1 (33) is connected to a rotating rod (34), the bottom of the rotating rod (34) is rotatably connected to a shaft seat (341), the shaft seat (341) is fixedly arranged above the bottom plate (13), a sleeve (35) is installed near the top of the rotating rod (34), a connecting plate (351) is fixedly arranged on the outside of the sleeve (35), a toothed ring (352) is fixedly arranged on the outside of the connecting plate (351), the outer end of the toothed ring (352) is connected to the inner end of the chain (24); An extension plate (51) is fixedly provided at the rear of the bottom plate (13), and the drying box (5) is arranged above the extension plate (51); The clamping and rotating mechanism (6) comprises a bracket (61), a support plate (62), a second electric push rod device (63), a limiting guide ring (632) and a first positioning frame (6321), wherein the bracket (61) is an N-shaped structure, the support plate (62) is fixedly arranged at the bottom of the bracket (61), the second electric push rod device (63) is fixedly arranged through the middle of the support plate (62), the bottom of the second electric push rod device (63) is connected to the second push rod (631), the limiting guide ring (632) is limitedly slidably connected to the outside of the second push rod (631), and the first positioning frame (6321) is an inverted L-shaped structure welded to both sides of the limiting guide ring (632) and the bottom of the support plate (62); The clamping and rotating mechanism (6) also includes a second driving motor (65), an end plate (651) and a cross plate (66); a shaft ring (64) is fixedly provided at the bottom of the second push rod (631); the bottom of the shaft ring (64) is rotatably connected to an extension column (642); the cross plate (66) is fixedly provided at the bottom of the extension column (642); a shaft disk (641) is fixedly provided near the top of the outside of the extension column (642); the end plate (651) is fixedly provided near the bottom of the outside of the second push rod (631); the second driving motor (65) is fixedly provided above the end plate (651); a second driving shaft (652) is penetrated and connected at the bottom of the second driving motor (65); a second shaft disk (653) is fixedly provided at the bottom of the second driving shaft (652); a transmission belt is sleeved between the second shaft disk (653) and the first shaft disk (641); A positioning plate (67) is fixedly provided at one end of the bottom of the transverse plate (66), and a movable plate (68) is slidably connected to the other end of the bottom of the transverse plate (66). Rollers (69) are distributed at the inner ends of the positioning plate (67) and the movable plate (68). A rotating shaft (691) is fixedly provided inside the roller (69). A baffle (692) is rotatably connected to the upper and lower parts of the rotating shaft (691), and the baffle (692) is fixedly provided on the inner side walls of the positioning plate (67) and the movable plate (68). A third drive shaft (673) is fixedly provided above the rotating shaft rod (691) at the middle, and a third drive motor (671) is rotatably connected to the third drive shaft (673). A second positioning frame (672) is welded between the side of the third drive motor (671) and the top of the horizontal plate (66); The bottom of the transverse plate (66) is symmetrically provided with sliding grooves (682), and a limiting groove (683) is provided above the sliding groove (682). A fixing column (684) is fixedly provided above the movable plate (68), and a limiting plate (685) is fixedly provided above the fixing column (684). The limiting plate (685) is slidably connected to the limiting groove (683), and a lead screw (686) is rotatably connected inside the limiting groove (683). The lead screw (686) is connected to the inside of the limiting plate (685) through a thread, and a drive motor four (681) is connected through the side of the lead screw (686). The drive motor four (681) is fixedly provided on the side end of the transverse plate (66).

2. The electrophoretic coating equipment according to claim 1, characterized in that: A fixing plate (32) is fixedly distributed on the outer side wall of the driving motor (3), a support rod (321) is welded to the bottom of the fixing plate (32), a mounting seat (31) is welded to the bottom of the support rod (321), the mounting seat (31) is mounted above the longitudinal rod (11), and the driving shaft (33) passes through and is rotatably connected to the middle of the mounting seat (31).

3. The electrophoretic coating equipment according to claim 1, characterized in that: The drying box (5) is provided with a material inlet and outlet port (501) at the top, and electric heating wires are installed around the inside of the drying box (5). The front of the drying box (5) is electrically connected to a control device (52). The bottom of the side of the drying box (5) is connected to a drain pipe (53). The outer wall of the drying box (5) is welded with a fixed block (542). A push rod 1 (541) is fixedly provided at the bottom of the fixed block (542). The bottom of the push rod 1 (541) is connected to an electric push rod device 1 (54). The electric push rod device 1 (54) is fixedly provided above the extension plate (51).

4. An electrophoretic coating method, based on an electrophoretic coating device according to claims 1-3, characterized in that: The method steps include the following: S1, firstly start the electric push rod device 2 (63) of the clamping and rotating mechanism (6), automatically control the push rod 2 (631) to extend and retract, so that the positioning plate (67) and the movable plate (68) below the horizontal plate (66) move up and down, then start the drive motor 4 (681) to automatically control the screw (686) to rotate, and control the limit plate (685) to slide at the limit groove (683) through the action of the thread, and drive the movable plate (68) to slide horizontally through the fixed column (684) to adjust the position, so that the roller (69) at the inner side of the positioning plate (67) and the movable plate (68) clamps the workpiece; S2, start the driving motor 1 (3) to automatically control the driving shaft 1 (33) and the rotating rod (34) supported on the shaft seat (341) to rotate, so that the gear ring (352) drives the chain (24) to transmit, through the fixed rod 1 (25) and the fixed rod 2 (26) located between the conveying frame 1 (23) and the conveying frame 2 (231) to slide the conveying clamping rotating mechanism (6), and the shaft rods (271) and the rollers (272) at both ends of the moving block (27) are supported on the inside of the conveying frame 1 (23) and the conveying frame 2 (231) to slide; S3, when conveying to the electrophoretic coating box (4), the electric push rod device 2 (63) of the clamping and rotating mechanism (6) is started again to control the workpiece to extend into the electrophoretic coating box (4), and at the same time, the drive motor 3 (671) is started to automatically control the drive shaft 3 (673) to rotate, driving the rotating shaft rod (691) in the middle of the positioning plate (67) to rotate, so that the roller shaft (69) in the middle of the positioning plate (67) rotates, and the position of the workpiece is slightly moved forward and backward to adjust the position of the workpiece, so that it can be fully electrophoretically coated, and the drive motor 2 (65) is started to automatically control the drive shaft 2 (652) and the shaft disc 2 (653), and the shaft disc 1 (641) and the extension column (642) are driven to rotate through the transmission belt, so that the cross plate (66) is adjusted to rotate forward and reverse, and the workpiece is further fully mixed; S4. When the workpiece is transported to the top of the drying box (5), the workpiece is inserted into the drying box (5) through the material inlet and outlet (501), and then the drying box (5) is heated by the control device (52), so that the workpiece is effectively dried and drained, so that the electrophoretic coating is more uniform and faster.

Images