High-precision metal plate automatic coating equipment

Abstract

The application discloses a kind of high-precision metal plate automatic coating equipment, specifically relates to metal plate coating technical field, including including distributing mechanism, coating mechanism, distributing mechanism includes suction nozzle, separation nozzle, suction nozzle includes with first continuous pipe communication suction sleeve, suction sleeve is slidably connected suction tube, suction nozzle is obliquely arranged, and suction nozzle is connected with resistance flow detachment accessory.The way of upper suction cooperates with side air blowing is used to separate the laminated substrate, which facilitates the single substrate to be fed into the coating mechanism.The suction nozzle is obliquely arranged and connected with the suction tube, after the suction tube contacts with the uppermost substrate, the suction tube is retracted and the substrate is lifted by extracting the air inside the suction nozzle, the substrate enters the coating mechanism and moves forward under the traction of the coating mechanism, which makes the resistance flow detachment accessory rotate and realizes automatic detachment.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of metal plate coating, in particular to a high-precision metal plate automatic coating equipment. BACKGROUND

[0002] Metal plate coating has the effects of corrosion prevention, insulation and decoration, and the substrate is aluminum plate, metal foil, etc. The coating equipment adopts a coating and polishing machine. The principle of the metal plate coating and polishing machine is to transport the stacked substrate to the front side of the coating mechanism through a conveying mechanism, then send the substrate into the coating mechanism through a material separating mechanism, coat the substrate by the coating mechanism, dry after coating, and finally put into use.

[0003] The application file with publication number CN114029273A discloses an intelligent cleaning and coating equipment, which includes a conveying belt, clamps and a box. The clamps are equally spaced along the conveying direction of the conveying belt. The box is divided into a cleaning chamber, a drying chamber and a coating chamber by a partition. The lower surface of the conveying belt passes through the cleaning chamber, the drying chamber and the coating chamber. The clamp includes a suction plate for attracting and fixing the metal plate. The suction plate is installed on a passive mechanism. The passive mechanism includes a stand column, which is installed on the conveying belt through a matching mechanism. The cleaning chamber, the drying chamber and the coating chamber are provided with a trigger mechanism. The trigger mechanism is used to cooperate with the matching mechanism to rotate the suction plate around the conveying direction of the conveying belt at different angles. The intelligent cleaning and coating equipment can realize continuous and automatic flushing, brushing, drying, drying and coating of the metal plate. It has high automation degree and high processing efficiency, and can adjust the posture of the metal plate with different mechanisms.

[0004] However, the stacked substrate is thin, large in area and small in gap between adjacent substrates. The conventional material separating method is prone to cause double or multiple plate problems, and is prone to coating errors. SUMMARY

[0005] The present application aims to provide a high-precision metal plate automatic coating equipment to solve the problems in the background art.

[0006] To achieve the above-mentioned purpose, the present application provides the following technical scheme:

[0007] A high-precision metal plate automatic coating equipment includes a material separating mechanism and a coating mechanism. The material separating mechanism includes a suction nozzle and a separating nozzle. The suction nozzle includes a suction sleeve in communication with a first connecting pipe. The suction sleeve is slidably connected with a suction pipe. The suction nozzle is inclined. A flow resistance and detachment device is connected to the suction nozzle.

[0008] Preferably, the flow blocking and separating accessory is a rotating sleeve fixedly connected to the top end of the suction sleeve, the rotating sleeve is rotatably connected to and communicated with the first connecting pipe, the rotating sleeve and the first connecting pipe are respectively provided with staggered through holes, and the rotating sleeve is connected to the first connecting pipe through a torsional spring.

[0009] Preferably, the separating nozzle is connected to the adjusting frame, the separating nozzle is connected to the air pump through the second connecting pipe, and the separating nozzle is arranged on four sides of the feeding frame.

[0010] Preferably, a baffle is arranged between the feeding frame and the coating mechanism, the top of the baffle is inclined, the baffle is connected to the supporting frame through an adjusting screw rod, and the separating nozzle on the front side is connected to the baffle and the nozzle opening of the separating nozzle penetrates through the baffle.

[0011] Preferably, the feeding frame is connected to the supporting frame through a three-axis feeding mechanism, and a proximity switch is rotatably connected to the baffle on the feeding frame.

[0012] Preferably, the coating mechanism comprises a coating frame, a pressurized roller is rotatably connected to the coating frame, the coating frame is connected to a bearing through a pressurized cylinder, a coating roller is rotatably connected to the bearing, an antiskid conveying wheel is connected to the coating frame, and the coating roller, the pressurized roller and the antiskid conveying wheel are synchronously transmissionally connected.

[0013] Preferably, the antiskid conveying wheel is rotatably connected to a wheel frame, and the wheel frame has two groups, one group of the wheel frame is slidably connected to the bearing.

[0014] Preferably, a coating tank is arranged above the coating roller, an overflow pipe is connected to the bottom of the coating tank, the overflow pipe is communicated with an overflow clamping plate, the overflow clamping plate is close to the coating roller, a peristaltic pump pipe is connected to the middle of the overflow pipe, a peristaltic pump wheel is connected to the side of the peristaltic pump pipe, and the peristaltic pump wheel is transmissionally connected to the coating roller.

[0015] Preferably, a scraping plate is connected to one side of the overflow clamping plate, the scraping plate is an arc-shaped plate tangent to the side surface of the coating roller, and a uniform distribution plate is connected to the other side of the overflow clamping plate, and the local plate is close to the side surface of the coating roller.

[0016] Preferably, a recovery tank is arranged below the coating roller, and the recovery tank is connected to the coating tank through a recovery pipe.

[0017] Compared with the prior art, the present application has the following beneficial effects:

[0018] The laminated base materials are separated by the way of upper suction and side air blowing, so that the single base material can be conveniently sent into the coating mechanism;

[0019] The suction nozzle is arranged in a slanting manner and is connected to the suction sleeve and the suction pipe, after the suction pipe is contacted with the uppermost base material, the suction pipe is retracted and the base material is lifted by the way of extracting the air in the suction nozzle, the base material is moved forward by the traction of the coating mechanism, the flow blocking and separating accessory is rotated, and automatic separation is realized.

[0020] The front side is provided with a height-adjustable baffle, according to the thickness of the base material, the height of the baffle can be adjusted, so that only a single metal plate is allowed to pass at a time;

[0021] The three-axis feeding mechanism on the feeding rack cooperates with the proximity switch to adjust the position of the base material, so that the entering position of the base material is adapted to the position of the coating mechanism for accurate coating;

[0022] The anti-skid conveying wheel in the coating mechanism is drivingly connected with the coating roller and the pressure roller, so that the moving speed of the metal plate in the coating mechanism is adapted to the rotating speed of the coating roller, and the sliding of the metal plate and the coating roller is avoided to affect the coating quality;

[0023] The peristaltic pump wheel connected with the middle part of the coating roller and the overflow pipe is drivingly connected, so that the rotation of the coating roller is proportional to the overflow amount, and the uniform discharge of the overflow clamp plate and the uniform coating of the coating roller surface by the coating material can make the coating material uniformly form a film on the coating roller. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 It is a structural schematic diagram of the present application;

[0025] Figure 2 It is a structural schematic diagram of the baffle and the material distribution mechanism of the present application;

[0026] Figure 3 It is a sectional view of the flow resistance and stripping accessory in embodiment 1 of the present application;

[0027] Figure 4 It is a sectional view of the first connecting rod in embodiment 1 of the present application;

[0028] Figure 5 It is a connection schematic diagram of the flow resistance and stripping accessory and the suction nozzle in embodiment 2 of the present application;

[0029] Figure 6 It is an exploded view of the flow resistance and stripping accessory in embodiment 2 of the present application;

[0030] Figure 7 It is a structural schematic diagram of the three-axis feeding mechanism of the present application;

[0031] Figure 8 It is a structural schematic diagram of the coating mechanism of the present application;

[0032] Figure 9 It is a structural schematic diagram of the coating tank and the recovery tank of the present application;

[0033] Figure 10 It is a partial structural schematic diagram of the overflow pipe and the overflow clamp plate of the present application;

[0034] In the diagram: 1. Support frame; 2. Baffle; 21. Adjusting screw; 22. Inclined plate; 23. Proximity switch; 3. Material distribution mechanism; 31. Suction nozzle; 311. Adsorption sleeve; 312. Adsorption tube; 313. Flow-blocking and de-attaching device; 3131. Rotating sleeve; 3132. Flow-blocking block; 3133. Torsion spring; 3134. Inner flow-blocking plate; 3135. Outer flow-blocking plate; 3136. Rotating cylinder; 3137. Connecting shaft; 3138. Blocking plate; 32. Separating nozzle; 33. First connecting pipe; 34. Separating frame; 4. Three-axis feeding mechanism; 1. Lifting cylinder; 42. Limiting vertical rod; 43. Connecting horizontal frame; 44. Horizontal movement screw; 45. Horizontal movement frame; 46. Limiting horizontal rod; 47. Conveying longitudinal shaft; 48. Transmission belt; 5. Feeding rack; 6. Coating mechanism; 61. Coating roller; 62. Pressurizing roller; 63. Pressurizing cylinder; 64. Bearing; 65. Anti-slip conveyor wheel; 66. Belt; 7. Paint tank; 71. Overflow shaft; 72. Pipe rack; 73. Peristaltic pump pipe; 74. Peristaltic pump wheel; 75. Overflow clamp; 76. Scraper; 77. Distributing plate; 78. Recovery tank. Detailed Implementation

[0035] To make the technical means, creative features, objectives and effects of this invention easier to understand, the invention will be further described below in conjunction with specific embodiments. Example 1

[0036] like Figures 1-4 As shown in Figures 7 and 8, a high-precision automatic coating device for metal sheets includes a dispensing mechanism 3 and a coating mechanism 6. The dispensing mechanism 3 includes a suction nozzle 31 and a separating nozzle 32. The suction nozzle 31 includes an adsorption sleeve 311 that communicates with a first connecting pipe 33. An adsorption tube 312 is slidably connected inside the adsorption sleeve 311. The suction nozzle 31 is inclined and a flow-blocking and de-emittering accessory 313 is connected to the suction nozzle 31. The flow-blocking and de-emittering accessory 313 is a rotating sleeve 3131 that is fixedly connected to the top of the adsorption sleeve 311. The rotating sleeve 3131 is rotatably connected to and communicates with the first connecting pipe 33. The rotating sleeve 3131 and the first connecting pipe 33 are respectively provided with staggered... The through hole, the rotating sleeve 3131 is connected to the first connecting pipe 33 through the torsion spring 3133; the separating nozzle 32 is connected to the adjusting frame, the separating nozzle 32 is connected to the air pump through the second connecting pipe, and the separating nozzle 32 is set on the four sides of the feeding frame 5; a baffle 2 is set between the feeding frame 5 and the coating mechanism 6, the top of the baffle 2 is inclined, the baffle 2 is connected to the support frame 1 through the adjusting screw 21, the front separating nozzle 32 is connected to the baffle 2 and the nozzle of the separating nozzle 32 passes through the baffle 2; the feeding frame 5 is connected to the support frame 1 through the three-axis feeding mechanism 4, and a proximity switch 23 is rotatably connected on the feeding frame 5 and located on the baffle 2.

[0037] In the coating, the laminated substrate is sent to the right side of the baffle 2 by the three-axis feeding mechanism 4 on the support frame 1, and the three-axis feeding mechanism 4 cooperates with the proximity switch 23 to detect the position of the laminated substrate, so that the substrate entering position is aligned with the coating position. During the adjustment process, the proximity switch 23 detects the position of the substrate and feeds back the detection result to the control system. Through the control system, the lifting cylinder 41 drives the connecting cross frame 43 to move up and down. The limiting vertical rod 42 fixedly connected at the bottom of the connecting cross rod penetrates the support frame 1, so that the connecting cross frame 43 can only move vertically. The cross-moving motor is fixedly connected on the limiting cross frame. The output shaft of the cross-moving motor is coaxially fixedly connected with the cross-moving lead screw 44. The cross-moving lead screw 44 is rotated by rotating the output shaft of the cross-moving motor. The limiting cross rod 46 limits the longitudinal position of the feeding frame 5. The cross-moving lead screw 44 can move the cross-moving frame 45 transversely by rotating the cross-moving lead screw 44. The rotation of the conveying longitudinal shaft 47 on the feeding frame 5 can control the longitudinal movement of the laminated substrate. The adjacent conveying longitudinal shafts 47 are connected through the transmission belt 48, so that the laminated substrate is finally abutted against the right side of the baffle 2, and the bottom side of the uppermost substrate is flush with the connection between the baffle 2 and the inclined plate 22. The bottom end of the suction nozzle 31 is attached to the baffle 2.

[0038] In the material separation, the suction nozzle 31 connected to the top of the separation frame 34 is communicated with the air pump pipe through the first connecting pipe 33. The air pump extracts the gas in the suction nozzle 31 to reduce the internal pressure of the suction nozzle 31. The suction nozzle 31 is adsorbed on the upper side of the uppermost substrate. At the same time, the side separation nozzle 32 blows the substrate from the side to make the lower side of the substrate have a high pressure, so that the substrate can be adsorbed on the suction nozzle 31. Under the action of the pressure difference, the adsorption pipe 312 in the suction nozzle 31 slides upward relative to the adsorption sleeve 311. The suction nozzle 31 contracts and drives the substrate to rise. Since the suction nozzle 31 is inclined and the inclination angle of the suction nozzle 31 is the same as that of the inclined plate 22, the front end of the substrate moves along the inclined plate 22, and only one substrate can be carried at a time. When the substrate rises to the top, the front end of the substrate enters the coating mechanism 6 and is gradually moved forward by the traction at the top of the coating mechanism 6. Since the suction nozzle is rotatably connected with the first connecting pipe 33 through the flow resistance release accessory 313, the suction nozzle can rotate. During the rotation process, the inner flow resistance plate 3134 fixedly connected on the rotating sleeve 3131 rotates. The inner flow resistance plate 3134 gradually closes the through hole provided on the first connecting pipe 33. At the same time, the flow resistance block 3132 fixedly connected on the first connecting pipe 33 rotates relative to the through hole on the rotating sleeve 3131. When the through hole on the rotating sleeve 3131 is misaligned with the flow resistance block 3132, the suction nozzle is closed with the first connecting pipe 33 and the suction nozzle is communicated with the outside, the internal pressure of the suction nozzle is restored, and the adsorption is released. After the suction nozzle is separated from the board under the action of the torsional spring 3133, the suction nozzle is reset. The adsorption pipe 312 slides downward under the action of gravity and abuts against the upper side of the next substrate to re-adsorb the next substrate. The laminated substrate can be continuously separated one by one.

[0039] The separation nozzle 32 is plugged into the separation frame 34, and can be adjusted in position according to the substrate width to provide lateral pressure from the side at a specific position. Example 2

[0040] As shown in Figures 1-2 , 4-5, 7, an automatic high-precision metal plate coating equipment, characterized by comprising a material distribution mechanism 3 and a coating mechanism 6, the material distribution mechanism 3 comprising a suction nozzle 31 and a separation nozzle 32, the suction nozzle 31 comprising a suction sleeve 311 in communication with a first connecting pipe 33, the suction sleeve 311 being slidably connected with a suction pipe 312, the suction nozzle 31 being inclinedly arranged, and the suction nozzle 31 being connected with a desorption resistance piece 313, the desorption resistance piece 313 being two rotating cylinders 3136 connected in the middle of the suction sleeve 311, the two rotating cylinders 3136 being rotatably connected through a connecting shaft 3137 in the middle, the two rotating cylinders 3136 being respectively provided with through holes in the side surfaces, the through holes being closed by an outer resistance plate 3135 fixed on the other rotating cylinder 3136, the connecting shaft 3137 being fixed with the rotating cylinder 3136 fixed on the lower half of the suction sleeve 311, and the connecting shaft 3137 being fixedly connected with a blocking plate 3138, the rest of the scheme being the same as that of example 1 except the structure and connection position of the desorption resistance piece.

[0041] After the substrate is adsorbed into the coating mechanism 6 by the suction pipe 312, the lower half of the suction sleeve 311 in the suction nozzle 31 is rotated relative to the upper half, until the blocking block closes the port of the upper half of the suction sleeve 311, the rotating cylinder 3136 is staggered with the outer resistance plate 3135, so that the pressure in the suction pipe 312 can be restored, and the desorption is realized, and compared with the scheme in example 1, the rotating radius of the suction nozzle is smaller, and for the substrate with larger thickness and not easy to deform, the substrate deformation can be reduced, and the resistance piece 313 in this embodiment can be arranged on the suction pipe 312, and the rotating radius of the suction nozzle can be further reduced. Example 3

[0042] As shown in Figure 1 , 8-10 shows a high-precision metal plate automatic coating equipment, including a distribution mechanism 3, coating mechanism 6, distribution mechanism 3 includes suction nozzle 31, separation nozzle 32, suction nozzle 31 includes with the first connecting pipe 33 communication suction sleeve 311, suction sleeve 311 in the sliding connection suction tube 312, suction nozzle 31 is inclined to set, suction nozzle 31 on the connection resistance to flow accessories 313, coating mechanism 6 includes a coating rack, the coating rack is connected to the pressurized cylinder 63 through the pressurized cylinder 63 connection bearing 3137, bearing 64 is connected to the coating roller 61, the coating rack is connected to the anti-skid conveying wheel 65, the coating roller 61, the pressurized cylinder 62, the anti-skid conveying wheel 65 are synchronously driven; the anti-skid conveying wheel 65 is rotatably connected to the wheel frame, the wheel frame has two groups, one of which is slidably connected to the bearing 64; the coating roller 61 is provided with a coating tank 7 above, the coating tank 7 is connected with an overflow pipe at the bottom, the overflow pipe is communicated with the overflow clamp plate 75, the overflow clamp plate 75 is close to the coating roller 61, the overflow pipe is connected with the peristaltic pump tube 73 in the middle, the peristaltic pump tube 73 is connected with the peristaltic pump wheel 74 on the side, the peristaltic pump wheel 74 is drivingly connected with the coating roller 61; the overflow clamp plate 75 is connected with the scraper 76 on one side, the scraper 76 is an arc plate tangent to the side surface of the coating roller 61, the overflow clamp plate 75 is connected with the uniform distribution plate 77 on the other side, and the local plate is close to the side surface of the glue roller; a recovery tank 78 is arranged below the glue roller, and the recovery tank 78 is connected with the coating tank 7 through a recovery pipe.

[0043] The pressurized cylinder 62 rotatably connected to the coating rack is connected to the hydraulic transmission cylinder at one end, and the hydraulic transmission cylinder is connected to the end of the coating roller 61, so that stable transmission within a certain distance can be realized, the coating roller 61 is connected to the coating rack through the pressurized cylinder 63, the gap between the coating roller 61 and the pressurized cylinder 62 can be controlled through the pressurized cylinder 63 to adapt to the coating of substrates with different thicknesses or to adjust the pressure according to the coating requirements, the conveying wheel above the coating roller 61 is drivingly connected with the pressurized cylinder 62 through the belt 66, so that the conveying wheel and the transmission roller can rotate at the same linear speed, and the substrate can be clamped by the conveying wheel to avoid the problem that the substrate slides relative to the coating roller 61, resulting in poor coating quality.

[0044] The coating roller 61 rotates in the coating process, the coating roller 61 drives the overflow shaft 71 connected by the belt 66 to rotate, the overflow shaft 71 is coaxially and fixedly connected with the peristaltic pump wheel 74, the peristaltic pump wheel 74 extrudes the peristaltic pump tube 73, one side of the peristaltic pump tube 73 is attached to the tube frame 72 fixed at the bottom of the coating tank 7, the other side of the peristaltic pump tube 73 is in contact with the peristaltic pump wheel 74, the peristaltic pump wheel 74 can quantitatively send the coating into the overflow clamp plate 75, the feeding rate is proportional to the rotation rate of the coating roller 61, and stable coating supply can be realized, the coating in the overflow pipe enters the overflow clamp plate 75, and the coating is discharged from the end of the overflow clamp plate 75 and applied to the coating roller 61, the coating roller 61 rotates to apply the coating thereon to the substrate, the uniform distribution plate 77 connected to the upper side of the overflow clamp plate 75 is left with a certain spacing between the coating roller 61, the coating is uniformly distributed on the coating roller 61, and the scraper 76 connected to the lower side of the overflow clamp plate 75 scrapes the remaining coating on the coating roller 61, the scraped coating enters the recovery tank 78, and the recovery tank 78 is communicated with the coating tank 7 through a recovery pipe and a recovery pump, so that the uniformity of the coating distribution on the coating roller 61 can be further improved.

[0045] As described above, the technical details of the present application have the following advantages:

[0046] Compared with the prior art, the present application has the following advantages:

[0047] 1. The present application adopts the mode of upward adsorption combined with side air blowing to separate the stacked substrates, so that the single substrate can be conveniently fed into the coating mechanism;

[0048] 2. The inclined suction nozzle of the present application is connected with the adsorption sleeve and the adsorption tube, after the adsorption tube contacts the uppermost substrate, the adsorption tube can be retracted and the substrate can be lifted by extracting the air in the suction nozzle, the substrate enters the coating mechanism and moves forward under the traction of the coating mechanism, so that the flow resistance detachment member rotates to realize automatic detachment;

[0049] 3. The present application sets a height-adjustable baffle at the front side, according to the thickness of the substrate, the height of the baffle can be adjusted, so that only a single metal plate is allowed to pass at a time;

[0050] 4. The three-axis feeding mechanism on the feeding rack of the present application adjusts the position of the substrate in cooperation with the proximity switch, so that the entering position of the substrate is adapted to the position of the coating mechanism, to realize accurate coating;

[0051] 5. The anti-skid conveying wheel in the coating mechanism of the present application is drivingly connected with the coating roller and the pressure roller, so that the moving speed of the metal plate in the coating mechanism is adapted to the rotation speed of the coating roller, to avoid the sliding of the metal plate and the coating roller and affect the coating quality;

[0052] 6. The present application is a peristaltic pump wheel transmission connection between the coating roller and the middle of the overflow pipe, which makes the rotation of the coating roller proportional to the amount of overflow, and cooperates with the overflow clamp plate to evenly discharge and evenly distribute the coating on the surface of the coating roller, so that the coating can be evenly coated on the coating roller.

[0053] The above shows and describes the basic principles, main features and advantages of the present application. Those skilled in the art should understand that the present application is not limited to the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A high-precision automatic coating equipment for metal sheets, characterized in that, It includes a material dispensing mechanism (3) and a coating mechanism (6). The material dispensing mechanism (3) includes a suction nozzle (31) and a separation nozzle (32). The suction nozzle (31) includes an adsorption sleeve (311) that communicates with the first connecting pipe (33). An adsorption tube (312) is slidably connected inside the adsorption sleeve (311). The suction nozzle (31) is inclined and a flow-blocking attachment (313) is connected to the suction nozzle (31). The flow-blocking attachment (313) is a rotating sleeve (3131) fixedly connected to the top of the adsorption sleeve (311). The rotating sleeve (3131) is rotatably connected to and communicates with the first connecting pipe (33). The rotating sleeve (3131) and the first connecting pipe (33) are respectively provided with staggered through holes. The rotating sleeve (3131) is connected to the first connecting pipe (33) through a torsion spring (3133). The separating nozzle (32) is connected to the adjusting frame, and the separating nozzle (32) is connected to the air pump through the second connecting pipe. The separating nozzle (32) is set on the four sides of the feeding frame (5). A baffle (2) is provided between the feeding rack (5) and the coating mechanism (6). The top of the baffle (2) is inclined. The baffle (2) is connected to the support frame (1) by the adjusting screw (21). The front separation nozzle (32) is connected to the baffle (2) and the nozzle of the separation nozzle (32) passes through the baffle (2). The coating mechanism (6) includes a coating frame, a pressure roller (62) is rotatably connected to the coating frame, the coating frame is connected to a bearing through a pressure cylinder (63), the coating roller (61) is rotatably connected to the bearing (64), and an anti-slip conveyor wheel (65) is connected to the coating frame. The coating roller (61), the pressure roller (62), and the anti-slip conveyor wheel (65) are synchronously connected.

2. The high-precision automatic coating equipment for metal sheets according to claim 1, characterized in that, The feeding rack (5) is connected to the support frame (1) via a three-axis feeding mechanism (4), and a proximity switch (23) is rotatably connected to the feeding rack (5) and located on the baffle (2).

3. The high-precision automatic coating equipment for metal sheets according to claim 2, characterized in that, The anti-slip conveyor wheel (65) is rotatably connected to the wheel frame. There are two sets of wheel frames, one of which is slidably connected to the bearing (64).

4. The high-precision automatic coating equipment for metal sheets according to claim 2, characterized in that, A coating tank (7) is provided above the coating roller (61). The bottom of the coating tank (7) is connected to an overflow pipe. The overflow pipe is connected to an overflow clamp (75). The overflow clamp (75) is close to the coating roller (61). A peristaltic pump pipe (73) is connected in the middle of the overflow pipe. A peristaltic pump wheel (74) is connected to the side of the peristaltic pump pipe (73). The peristaltic pump wheel (74) is connected to the coating roller (61) in a driving connection.

5. The high-precision automatic coating equipment for metal sheets according to claim 4, characterized in that, The overflow clamp (75) is connected to a scraper (76) on one side. The scraper (76) is an arc-shaped plate that is tangent to the side of the coating roller (61). The overflow clamp (75) is connected to a uniform distribution plate (77) on the other side. The local plate is close to the side of the coating roller.

6. The high-precision automatic coating equipment for metal sheets according to claim 5, characterized in that, A recycling tank (78) is provided below the glue-applying roller, and the recycling tank (78) is connected to the paint tank (7) through a recycling pipe.

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