Color steel plate double-sided film coating device

Abstract

The invention relates to the technical field of color steel plate processing, in particular to a color steel plate double-face film covering device which comprises a bottom plate, a feeding structure is arranged on the bottom plate, and a film covering structure is arranged on the bottom plate; according to the double-sided film coating device for the color steel plate, through the arrangement of the feeding structure, a first motor drives a first lead screw to rotate, a transmission block drives a connecting plate to move under the action of the first lead screw, a first feeding plate synchronously follows the transmission block to move, and a transmission belt drives a second connecting plate to move under the action of the first connecting block; the first feeding plate and the second feeding plate can move in a reciprocating mode for feeding.

Description

Technical Field

[0001] The invention relates to the technical field of color steel plate processing, in particular to a double-sided coating device for a color steel plate. Background Art

[0002] Color steel plate is a steel plate with colored coating, which is light, beautiful and has good corrosion resistance. It is widely used in large public buildings, public factories, mobile houses, refrigerator shells, refrigerator side panels, microwave oven shells, air conditioner shells, washing machine shells and other products. The substrate structure of color steel plate includes steel substrate and colored paint layer covering the surface of the substrate, and plastic film and protective film are covered on the steel plate in turn.

[0003] In order to improve the efficiency of laminating color steel plates, some equipment already has the function of double-sided laminating. However, in the actual production process, the color steel plates need to be loaded by a device. The existing devices usually stack the color steel plates in a pile when loading them. After a pile of color steel plates is loaded, they need to be stacked again before loading. When the color steel plates are stacked, the laminating device cannot work due to the absence of color steel plates, which delays the loading speed and affects the work efficiency. Summary of the invention

[0004] The purpose of the present invention is to provide a double-sided coating device for color steel plates to solve the problem in the above background technology that when color steel plates are stacked, the coating device cannot work due to the absence of color steel plates, which delays the loading speed and affects the work efficiency.

[0005] To achieve the above object, the present invention provides the following technical solution: a double-sided coating device for a color steel plate, comprising a bottom plate, a feeding structure is arranged on the bottom plate, and a coating structure is arranged on the bottom plate;

[0006] The feeding structure includes a support frame, a first slide rail, a first slider, a first feeding plate, a first connecting block, a pulley, a transmission belt, a first motor, a first screw rod, a transmission block, a connecting plate, a connecting frame, a second slide rail, a second slider, a sliding plate, a through groove, a second connecting block, a guide rod, a fixed plate, a second feeding plate, a transmission plate, a sliding block, a guide frame and a guide groove. The support frame is mounted on the bottom plate, the first slide rail is mounted on the support frame, the first slider is movably mounted on the first slide rail, the first feeding plate is mounted on the first slider, the pulley is movably mounted on the support frame, the transmission belt is arranged on the pulley, the first connecting block is mounted on the first feeding plate and the first connecting block is connected to the transmission belt, the first motor is mounted on the side wall of the support frame, the first screw rod is mounted on the side wall of the support frame and the first screw rod is connected to the driving end of the first motor, and the transmission The block is movably arranged on the side wall of the supporting frame and the transmission block is movably connected to the first screw rod, the connecting plate is installed on the transmission block and the connecting plate is connected to the first feeding plate, the connecting frame is installed on the supporting frame, the second slide rail is installed on the connecting frame, the second sliding block is movably installed on the second slide rail, the sliding plate is installed on the second sliding block, the through groove is arranged on the sliding plate, the second connecting block is installed on the sliding plate and the second connecting block is connected to the transmission belt, the guide rod is movably mounted on the sliding plate, the fixing plate is mounted on the guide rod, the second feeding plate is mounted on one end of the guide rod away from the fixing plate, the transmission plate is mounted on the second feeding plate, the guide frame is installed on the supporting frame, the guide groove is arranged on the guide frame, the sliding block is mounted on the transmission plate and the sliding block is movably connected to the guide groove.

[0007] Preferably, a bracket is provided on the bottom plate, and a connecting rod is provided on the bracket.

[0008] Preferably, a tensioning wheel is provided on the support frame, and the size of the sliding block is adapted to the size of the guide groove.

[0009] Preferably, the coating structure includes a fixed frame, a guide rail, a guide block, a movable plate, a second motor, a cylinder, an electromagnetic block, a hydraulic cylinder, a mounting frame, a film collecting and sticking roller, a film discharging and sticking roller, a fixed placement frame, a first coating roller, a sliding frame, a movable placement frame, a second coating roller, a sleeve, a fixed pin, a push rod, a clamping hole, a sliding groove, a spring, a first movable clamping frame, a first pressure roller, a second movable clamping frame, a second pressure roller, a second screw rod, a stabilizing frame and a shelf frame, the fixed frame is mounted on the bottom plate, the guide rail is mounted on the fixed frame, the guide block is movably mounted on the guide rail, the second motor is mounted on the fixed frame, the second screw rod is movably arranged on the fixed frame and the second screw rod is connected to the driving end of the second motor, the movable plate is mounted on the guide block and the movable plate is movably connected to the second screw rod, the cylinder is mounted on the movable plate, the electromagnetic block is mounted on the driving end of the cylinder, the shelf frame is mounted on the bottom plate, the hydraulic cylinder is mounted on the shelf frame, and the mounting frame is mounted on the driving end of the hydraulic cylinder The lifting mechanism is a lifting mechanism, and the lifting mechanism is a lifting mechanism, and the lifting mechanism is a lifting mechanism, and the lifting mechanism is a lifting mechanism, and the lifting mechanism is a lifting mechanism, and the lifting mechanism is a lifting mechanism.

[0010] Preferably, there are a plurality of the clamping holes, and the size of the fixing pin is adapted to the size of the clamping holes.

[0011] Preferably, the push rod is adapted to the size of the sleeve, and the sliding grooves are provided in a pair and are symmetrically arranged.

[0012] Preferably, the first sliding block is matched with the first sliding rail, and the guide block is matched with the guide rail.

[0013] Compared with the prior art, the beneficial effects of the present invention are: in this double-sided laminating device for color steel plates, through the setting of the feeding structure, the first motor drives the first screw rod to rotate, the transmission block drives the connecting plate to move under the action of the first screw rod, the first feeding plate synchronously follows the movement of the transmission block, and the transmission belt drives the second connecting plate to move under the action of the first connecting block, and the first feeding plate and the second feeding plate can move reciprocatingly for loading. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention;

[0015] Figure 2 This is a schematic diagram of a three-dimensional structure from another viewing angle of the present invention;

[0016] Figure 3 It is a schematic diagram of the matching structure of the transmission plate and the guide frame of the present invention;

[0017] Figure 4 This is a schematic diagram of the cooperation structure between the first screw rod and the transmission block of the present invention;

[0018] Figure 5 This is a schematic diagram of the matching structure of the sliding rack and the mobile placement rack of the present invention;

[0019] Figure 6 It is a schematic diagram of the matching structure of the sleeve and the ejector rod of the present invention;

[0020] Figure 7 It is a schematic diagram of the three-dimensional structure of the guide frame of the present invention;

[0021] Figure 8 It is a schematic diagram of the three-dimensional structure of the transmission plate of the present invention.

[0022] In the figure, 1, bottom plate; 2, feeding structure; 201, support frame; 202, first slide rail; 203, first slider; 204, first feeding plate; 205, first connecting block; 206, pulley; 207, tensioning wheel; 208, transmission belt; 209, first motor; 210, first screw rod; 211, transmission block; 212, connecting plate; 213, connecting frame; 214, second slide rail; 215, second slider; 216, sliding plate; 217, through groove; 218, second connecting block; 219, guide rod; 220, fixed plate; 221, second feeding plate; 222, transmission plate; 223, sliding block; 224, guide frame; 225, guide groove; 3, coating structure, 301, fixed frame; 3 02, guide rail; 303, guide block; 304, moving plate; 305, second motor; 306, cylinder; 307, electromagnetic block; 308, hydraulic cylinder; 309, mounting frame; 310, film collecting sticky roller; 311, film discharging sticky roller; 312, fixed placement frame; 313, first coating roller; 314, sliding frame; 315, movable placement frame; 316, second coating roller; 317, sleeve; 318, fixing pin; 319, ejector rod; 320, card hole; 321, sliding groove; 322, spring; 323, first movable card frame; 324, first pressure roller; 325, second movable card frame; 326, second pressure roller; 327, second screw rod; 328, stabilizing frame; 329, shelf; 4, bracket; DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0024] See also Figure 1-8 , the present invention provides a technical solution: a double-sided coating device for a color steel plate, comprising a bottom plate 1 on which a feeding structure 2 is arranged, and a coating structure 3 is arranged on the bottom plate 1;

[0025] The feeding structure 2 includes a support frame 201, a first slide rail 202, a first slider 203, a first feeding plate 204, a first connecting block 205, a pulley 206, a transmission belt 208, a first motor 209, a first screw rod 210, a transmission block 211, a connecting plate 212, a connecting frame 213, a second slide rail 214, a second slider 215, a sliding plate 216, a through groove 217, a second connecting block 218, a guide rod 219, a fixed plate 220, a second feeding plate 221, a transmission plate 222, a sliding block 223, a guide frame 224 and a guide groove 225. The support frame 201 is installed on the base plate 1, the first slide rail 202 is installed on the support frame 201, and the first slider 203 is movably installed on the second The first material feeding plate 204 is mounted on the first slider 203, the pulley 206 is movably mounted on the support frame 201, the transmission belt 208 is arranged on the pulley 206, the first connecting block 205 is mounted on the first material feeding plate 204 and the first connecting block 205 is connected to the transmission belt 208, the first motor 209 is mounted on the side wall of the support frame 201, the first screw rod 210 is mounted on the side wall of the support frame 201 and the first screw rod 210 is connected to the driving end of the first motor 209, the transmission block 211 is movably mounted on the side wall of the support frame 201 and the transmission block 211 is movably connected to the first screw rod 210, and the connecting plate 21 2 is installed on the transmission block 211 and the connecting plate 212 is connected to the first feeding plate 204, the connecting frame 213 is installed on the supporting frame 201, the second slide rail 214 is installed on the connecting frame 213, the second slider 215 is movably installed on the second slide rail 214, the sliding plate 216 is installed on the second slider 215, the through groove 217 is provided on the sliding plate 216, the second connecting block 218 is installed on the sliding plate 216 and the second connecting block 218 is connected to the transmission belt 208, the guide rod 219 is movably installed on the sliding plate 216, the fixing plate 220 is installed on the guide rod 219, and the second feeding plate 221 is installed on The guide rod 219 is away from one end of the fixed plate 220, the transmission plate 222 is installed on the second feeding plate 221, the guide frame 224 is installed on the support frame 201, the guide groove 225 is provided on the guide frame 224, the sliding block 223 is installed on the transmission plate 222 and the sliding block 223 is movably connected with the guide groove 225, the first slide rail 202 is provided with a pair, the first slider 203 is provided with a pair and is respectively provided on the first slide rail 202, four pulleys 206 are provided, and two are symmetrically provided on the support frame 201, the first connecting block 205 is connected to the end of the transmission belt 208 close to the first slide rail 202, and the second connecting block 218 is connected to the end of the transmission belt 208 away from the first slide rail 202,The first connecting block 205 moves in opposite directions to the second connecting block 218. A pair of second slide rails 214 and second sliders 215 are provided. The pair of second sliders 215 are respectively arranged on the second slide rails 214 to drive the first motor 209. The first motor 209 drives the first screw rod 210 to rotate. The transmission block 211 drives the connecting plate 212 to move under the action of the first screw rod 210. The first feeding plate 204 moves synchronously with the transmission block 211. The first feeding plate 204 slides on the first slide rail 202 through the first slider 203, and then drives the first connecting block 205 to move. The transmission belt 208 rotates under the action of the first connecting block 205. The second connecting plate 212 drives the sliding plate 216 to slide on the second slide rail 214 through the second slider 215 under the action of the transmission belt 208. The second feeding plate 22 1 synchronously follows the movement of the sliding plate 216 through the guide rod 219, and the transmission plate 222 synchronously drives the sliding block 223 to slide in the guide groove 225 under the action of the second feeding plate 221, thereby driving the second feeding plate 221 to move up and down on the sliding plate 216 through the guide rod 219 to prevent the first feeding plate 204 and the second feeding plate 221 from interfering. The first feeding plate 204 and the second feeding plate 221 can move back and forth. After the color steel plate on the first feeding plate 204 is loaded, the color steel plate on the second feeding plate 221 is sent to the feeding place. At this time, the color steel plate can be placed on the first feeding plate 204 while the color steel plate on the second feeding plate 221 is loaded, so that the device is always working. The height of the color steel plate on the second feeding plate 221 is less than the height between the first feeding plate 204 and the second feeding plate 221.

[0026] Furthermore, a bracket 4 is provided on the base plate 1, and a connecting rod is provided on the bracket 4. The bracket 4 is arranged at the contact end between the base plate 1 and the placement plane. The bracket 4 can make the device placement more stable. The connecting rod is arranged in the bracket 4, and the connecting rod increases the strength of the bracket 4.

[0027] Furthermore, a tensioning wheel 207 is provided on the support frame 201, and the size of the sliding block 223 is adapted to the size of the guide groove 225. A pair of tensioning wheels 207 are provided, and a pair of tensioning wheels 207 can make the transmission belt 208 tight for better transmission. The adapted sliding block 223 can be more stable when moving in the guide groove 225.

[0028] Furthermore, the coating structure 3 includes a fixed frame 301, a guide rail 302, a guide block 303, a movable plate 304, a second motor 305, a cylinder 306, an electromagnetic block 307, a hydraulic cylinder 308, a mounting frame 309, a film receiving and sticking roller 310, a film discharging and sticking roller 311, a fixed placement frame 312, a first coating roller 313, a sliding frame 314, a movable placement frame 315, a second coating roller 316, a sleeve 317, a fixed pin 318, a push rod 319, a card hole 320, a sliding groove 321, a spring 322, a first movable card frame 323, a first pressure roller 324, a second movable card frame 325, a second pressure roller 326, a second screw rod 327, a stabilizing frame 328 and a shelf 329, and the fixed frame 301 is mounted on the The bottom plate 1 is mounted on the guide rail 302, the guide block 303 is movably mounted on the guide rail 302, the second motor 305 is mounted on the fixed frame 301, the second screw rod 327 is movably arranged on the fixed frame 301 and the second screw rod 327 is connected to the driving end of the second motor 305, the movable plate 304 is mounted on the guide block 303 and the movable plate 304 is movably connected to the second screw rod 327, the cylinder 306 is mounted on the movable plate 304, the electromagnetic block 307 is mounted on the driving end of the cylinder 306, the shelf 329 is mounted on the bottom plate 1, the hydraulic cylinder 308 is mounted on the shelf 329, and the The mounting frame 309 is mounted on the driving end of the hydraulic cylinder 308, the film collecting sticky roller 310 is movably mounted on the mounting frame 309, the film discharging sticky roller 311 is movably mounted on the mounting frame 309, the fixed placement frame 312 is mounted on the shelf frame 329, the first coating roller 313 is movably mounted on the fixed placement frame 312, the sliding frame 314 is mounted on the shelf frame 329, the movable placement frame 315 is mounted on the sliding frame 314, the second coating roller 316 is movably mounted on the movable placement frame 315, the sleeve 317 is mounted on the shelf frame 329, the push rod 319 is movably mounted on the sleeve 317 and one end of the push rod 319 is connected to the movable placement frame 315. The placing frame 315 is connected, the card hole 320 is installed on the push rod 319, the fixing pin 318 passes through the sleeve 317 and is movably connected with the card hole 320, the stabilizing frame 328 is installed on the placing frame 329, the sliding groove 321 is set on the inner wall of the stabilizing frame 328, the first movable card frame 323 is movably set in the sliding groove 321, the spring 322 is installed in the sliding groove 321 and the spring 322 is connected to the first movable card frame 323, the first pressure roller 324 is installed on the first movable card frame 323, the second movable card frame 325 is installed on the stabilizing frame 328, and the second pressure roller 326 is installed on the second movable card frame 325.A pair of hydraulic cylinders 308, mounting brackets 309, film collecting and sticking rollers 310, and film discharging and sticking rollers 311 are all provided and symmetrically arranged, and can remove impurities from both sides of the color steel plate, drive the second motor 305, and the second motor 305 drives the second screw rod 327 to rotate. The movable plate 304 slides on the guide rail 302 through the guide block 303 under the action of the second screw rod 327, and the cylinder 306 follows the movable plate 304 to drive the electromagnetic block 307 to move. The electromagnetic block 307 can adsorb the color steel plate, and then move it between a pair of film discharging and sticking rollers 311 through the movable plate 304. The film discharging and sticking rollers 311 can adhere and remove impurities from both sides of the color steel plate, and the film collecting and sticking rollers 310 follow the film discharging and sticking rollers 311 to rotate to retract the sticky film on the film discharging and sticking rollers 311 to improve the cleaning effect. The mounting bracket 309 can be adjusted according to the thickness of the color steel plate. The spacing between them is used to adjust the height of the push rod 319 in the sleeve 317. After the adjustment, the fixing pin 318 is passed through the sleeve 317 to abut against the card hole 320 on the push rod 319, so that the push rod 319 can be limited in the sleeve 317, and then the height of the second coating roller 316 in the movable placement frame 315 can be adjusted, so that it is convenient to adjust according to the thickness of the color steel plate. The color steel plate can be coated on both sides by the first coating roller 313 and the second coating roller 316. The coated color steel plate enters between the first pressing roller 324 and the second pressing roller 326. The first pressing roller 324 drives the first movable bracket 323 to move through the spring 322, so that the first pressing roller 324 can always contact with the color steel plate, and then the dry coating on the color steel plate can be pressed by the first pressing roller 324 and the second pressing roller 326 to improve the coating effect.

[0029] Furthermore, there are a plurality of the clamping holes 320 , and the size of the fixing pin 318 matches that of the clamping holes 320 . A plurality of clamping holes 320 facilitates adjustment of the position of the fixed ejector rod 319 , and the matching fixing pins 318 can fix the ejector rod 319 more stably.

[0030] Furthermore, the push rod 319 is adapted in size to the sleeve 317, and the sliding grooves 321 are provided in a pair and are symmetrically arranged. The adapted push rod 319 can move more stably in the sleeve 317, and the pair of sliding grooves 321 can make the first movable bracket 323 move more stably.

[0031] Furthermore, the first slider 203 is matched with the first slide rail 202 , and the guide block 303 is matched with the guide rail 302 . The matched first slider 203 can move more stably on the first slide rail 202 , and the matched guide block 303 is convenient for sliding on the guide rail 302 .

[0032] Working principle: the color steel plate is placed on the first feeding plate 204 and the second feeding plate 221, the first feeding plate 204 is close to the first laminating roller 313, when feeding is required, the second motor 305, the second motor 305 drives the second screw 327 to rotate, the movable plate 304 slides on the guide rail 302 through the guide block 303 under the action of the second screw 327, the cylinder 306 follows the movable plate 304 to drive the electromagnetic block 307 to move, the electromagnetic block 307 can adsorb the color steel plate, and then move through the movable plate 304 to send it between a pair of film-discharging adhesive rollers 311, the pair of film-discharging adhesive rollers 311 can adhere and remove impurities on both sides of the color steel plate, and a pair of cylinders 306 can drive a pair of mounting frames 309 to move according to the thickness of the color steel plate The height of the push rod 319 in the sleeve 317 is adjusted. After the adjustment, the fixing pin 318 passes through the sleeve 317 and abuts against the card hole 320 on the push rod 319, so that the push rod 319 can be limited in the sleeve 317, and then the height of the second coating roller 316 in the movable placement frame 315 can be adjusted, which is convenient for adjustment according to the thickness of the color steel plate. The color steel plate can be coated on both sides by the first coating roller 313 and the second coating roller 316. The coated color steel plate enters between the first pressing roller 324 and the second pressing roller 326. The first pressing roller 324 drives the first movable bracket 323 to move through the spring 322, so that the first pressing roller 324 can always contact with the color steel plate, and then the first pressing roller 324 and the second pressing roller can be used to coat the color steel plate. The roller 326 presses the dry coating on the color steel plate to improve the coating effect. When the color steel plate of the first feeding plate 204 is loaded, the first motor 209 is driven. The first motor 209 drives the first screw rod 210 to rotate. The transmission block 211 drives the connecting plate 212 to move under the action of the first screw rod 210. The first feeding plate 204 moves synchronously with the transmission block 211. The first feeding plate 204 slides on the first slide rail 202 through the first slider 203, and then drives the first connecting block 205 to move. The transmission belt 208 rotates under the action of the first connecting block 205. The second connecting plate 212 drives the sliding plate 216 to slide on the second slide rail 214 through the second slider 215 under the action of the transmission belt 208. The feeding plate 221 synchronously follows the sliding plate 216 through the guide rod 219, and the transmission plate 222 synchronously drives the sliding block 223 to slide in the guide groove 225 under the action of the second feeding plate 221, thereby driving the second feeding plate 221 to move up and down on the sliding plate 216 through the guide rod 219. The first feeding plate 204 and the second feeding plate 221 can move reciprocatingly to send the color steel plate on the second feeding plate 221 to the feeding place. At this time, the color steel plate can be placed on the first feeding plate 204 for loading when the color steel plate on the second feeding plate 221 is loaded. After the color steel plate on the second feeding plate 221 is loaded, the first feeding plate 204 is sent to the feeding port. Such reciprocating movement can keep the device working all the time, thereby improving work efficiency.

[0033] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A double-sided coating device for color steel plates, comprising a bottom plate (1), characterized in that: A feeding structure (2) is provided on the bottom plate (1), and a coating structure (3) is provided on the bottom plate (1); The feeding structure (2) comprises a support frame (201), a first slide rail (202), a first slider (203), a first feeding plate (204), a first connecting block (205), a pulley (206), a transmission belt (208), a first motor (209), a first screw rod (210), a transmission block (211), a connecting plate (212), a connecting frame (213), a second slide rail (214), a second slider (215), a sliding plate (216), a through groove (217), a second connecting block (218), a guide rod (219), a fixed plate (220), a second feeding plate (221), a transmission plate (222), a sliding block (223), a guide frame (224) and a guide groove (225), wherein the support frame (2 01) is mounted on the base plate (1), the first slide rail (202) is mounted on the support frame (201), the first slider (203) is movably mounted on the first slide rail (202), the first feeding plate (204) is mounted on the first slider (203), the pulley (206) is movably mounted on the support frame (201), the transmission belt (208) is arranged on the pulley (206), the first connecting block (205) is mounted on the first feeding plate (204) and the first connecting block (205) is connected to the transmission belt (208), the first motor (209) is mounted on the side wall of the support frame (201), and the first screw rod (210) is mounted on the support frame (201). The support frame (201) is provided with a side wall surface of the support frame (201), and the first screw rod (210) is connected to the driving end of the first motor (209); the transmission block (211) is movably arranged on the side wall surface of the support frame (201), and the transmission block (211) is movably connected to the first screw rod (210); the connecting plate (212) is installed on the transmission block (211), and the connecting plate (212) is connected to the first feeding plate (204); the connecting frame (213) is installed on the support frame (201); the second slide rail (214) is installed on the connecting frame (213); the second slider (215) is movably installed on the second slide rail (214); the sliding plate (216) is installed on the second slider (21 5), the through groove (217) is arranged on the sliding plate (216), the second connecting block (218) is installed on the sliding plate (216) and the second connecting block (218) is connected to the transmission belt (208), the guide rod (219) is movably installed on the sliding plate (216), the fixed plate (220) is installed on the guide rod (219), the second feeding plate (221) is installed on the end of the guide rod (219) away from the fixed plate (220), the transmission plate (222) is installed on the second feeding plate (221), the guide frame (224) is installed on the support frame (201), and the guide groove (225) is arranged on the guide frame (224),The sliding block (223) is mounted on the transmission plate (222) and the sliding block (223) is movably connected to the guide groove (225).

2. A double-sided coating device for color steel plate according to claim 1, characterized in that: A bracket (4) is provided on the bottom plate (1), and a connecting rod is provided on the bracket (4).

3. The double-sided coating device for color steel plate according to claim 1, characterized in that: The support frame (201) is provided with a tensioning wheel (207), and the size of the sliding block (223) is adapted to the size of the guide groove (225).

4. The double-sided coating device for color steel plate according to claim 1, characterized in that: The coating structure (3) comprises a fixed frame (301), a guide rail (302), a guide block (303), a movable plate (304), a second motor (305), a cylinder (306), an electromagnetic block (307), a hydraulic cylinder (308), a mounting frame (309), a film receiving and sticking roller (310), a film discharging and sticking roller (311), a fixed placement frame (312), a first coating roller (313), a sliding frame (314), a movable placement frame (315), a second coating roller (316), a sleeve (317), a fixed pin (318), a push rod (319), a clamping hole (320), a sliding groove (321), a spring (322), a first movable clamping frame (323), a first pressing roller (324), a second movable clamping frame (325), and a second A pressure roller (326), a second screw rod (327), a stabilizing frame (328) and a shelf (329), the fixed frame (301) is mounted on the bottom plate (1), the guide rail (302) is mounted on the fixed frame (301), the guide block (303) is movably mounted on the guide rail (302), the second motor (305) is mounted on the fixed frame (301), the second screw rod (327) is movably mounted on the fixed frame (301) and the second screw rod (327) is connected to the driving end of the second motor (305), the movable plate (304) is mounted on the guide block (303) and the movable plate (304) is movably connected to the second screw rod (327), the cylinder (30 6) is mounted on the movable plate (304), the electromagnetic block (307) is mounted on the driving end of the cylinder (306), the shelf (329) is mounted on the bottom plate (1), the hydraulic cylinder (308) is mounted on the shelf (329), the mounting frame (309) is mounted on the driving end of the hydraulic cylinder (308), the film receiving adhesive roller (310) is movably mounted on the mounting frame (309), the film discharging adhesive roller (311) is movably mounted on the mounting frame (309), the fixed placement frame (312) is mounted on the shelf (329), the first coating roller (313) is movably mounted on the fixed placement frame (312), and the sliding frame (314) is mounted on the shelf (32 9), the movable placement frame (315) is installed on the sliding frame (314), the second coating roller (316) is movably installed on the movable placement frame (315), the sleeve (317) is installed on the shelf (329), the push rod (319) is movably installed on the sleeve (317) and one end of the push rod (319) is connected to the movable placement frame (315), the clamping hole (320) is installed on the push rod (319), the fixing pin (318) passes through the sleeve (317) and is movably connected to the clamping hole (320), the stabilizing frame (328) is installed on the shelf (329), and the sliding groove (321) is provided on the inner wall of the stabilizing frame (328),The first movable bracket (323) is movably arranged in the sliding groove (321), the spring (322) is installed in the sliding groove (321) and the spring (322) is connected to the first movable bracket (323), the first pressure roller (324) is installed on the first movable bracket (323), the second movable bracket (325) is installed on the stabilizing frame (328), and the second pressure roller (326) is installed on the second movable bracket (325).

5. The double-sided coating device for color steel plate according to claim 4, characterized in that: A plurality of the clamping holes (320) are provided, and the size of the fixing pin (318) is matched with the size of the clamping holes (320).

6. A double-sided coating device for color steel plate according to claim 4, characterized in that: The push rod (319) is adapted in size to the sleeve (317), and a pair of sliding grooves (321) are provided and symmetrically arranged.

7. The double-sided coating device for color steel plate according to claim 4, characterized in that: The first sliding block (203) is matched with the first sliding rail (202), and the guide block (303) is matched with the guide rail (302).

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