A method for manufacturing a canvas coating and a coating device

Abstract

The invention relates to the field of canvas manufacturing technology, specifically to a method for making a canvas coating and a coating device, the formula of which is as follows: 40% to 50% resin, 10% to 20% plasticizer, 10% to 20% diluent, 5% to 10% flame retardant, 1% to 2% stabilizer, 2% to 5% anion additive, 5% to 10% filler, and 5% to 10% other additives, and also includes the following steps: S1, determining the mass of the materials in the formula according to demand; S2, adding the resin to a stirring kettle, and heating the resin to a suitable temperature; S3, adding other materials in sequence, and continuously stirring to fully mix the various materials. The invention provides a method for making a canvas coating and a coating device, a conveyor belt can move the primer from a gathered position to a position where the primer is scarce, and accelerate the movement of the primer to avoid the primer staying on the scraper for a long time, a plurality of inclined scrapers can guide the primer on the cloth to move, and the inclination directions of two adjacent scrapers are opposite, which can guide the primer to move in opposite directions, making it more convenient for the primer to cover the cloth.

Description

Technical Field

[0001] The invention relates to the technical field of canvas manufacturing, and in particular to a method for manufacturing a canvas coating and a coating device. Background Art

[0002] Canvas is a woven fabric used for oil or acrylic painting. It is made of strong, specially woven linen. Due to its strong water absorption capacity, you cannot paint directly on linen. You need to use coating materials or synthetic rubber to seal the linen, and then bake to fix the synthetic rubber on the linen. Then apply a layer of white primer to make the surface of the cloth smooth. After the cloth is dried and sealed with a wooden frame, it can be shipped from the factory.

[0003] According to the publication (announcement) number CN206325791U, the publication (announcement) date is 2017.07.14, and a uniform coating device for canvas processing is disclosed, including a paint box and a spreading platform, wherein the paint box is erected on the top of the spreading platform by legs, and a discharge pipe is provided on the side of the paint box. The device evenly distributes the discharge pipes on the outside of the paint box and installs a regulating valve on the outside of the discharge pipe. The combined structure can sprinkle the paint on the canvas as needed, and the paint is evenly applied on the canvas after being scraped by the scraper plate; by setting a baffle plate, when scraping the paint, it is prevented that the excess paint flows away from both sides of the canvas, causing a waste of paint; the utility model has a simple structure, even application, saves paint, and is safe to use.

[0004] In the prior art including the above-mentioned patent, when spreading the primer on the linen, the primer is generally dripped on the linen first, and then the primer is scraped flat with multiple scrapers. When a larger pile of primer comes into contact with the scraper, part of the primer will adhere to the scraper, and part of the primer will gradually solidify due to water loss if it adheres to the scraper for a long time. The solidified primer is likely to hinder the normal operation of the scraper, and the solidified primer is also likely to fall on the canvas, affecting the flatness of the canvas surface. Summary of the invention

[0005] The purpose of the present invention is to provide a method for preparing a canvas coating and a coating device, aiming to solve the problem that when a scraper is used to scrape and coat primer, the primer attached to the scraper is easily solidified due to water loss, thereby hindering the work of the scraper.

[0006] In order to achieve the above object, the present invention provides a method for preparing a canvas coating, the formula of which is as follows: 40% to 50% resin, 10% to 20% plasticizer, 10% to 20% diluent, 5% to 10% flame retardant, 1% to 2% stabilizer, 2% to 5% negative ion additive, 5% to 10% filler, and 5% to 10% other additives, and further comprising the following steps:

[0007] S1. Determine the quality of the materials in the formula according to the requirements;

[0008] S2, adding the resin into the stirring tank and heating the resin to a suitable temperature;

[0009] S3, add other materials in sequence and continue stirring to fully mix the various materials;

[0010] S4. Maintain appropriate temperature so that the synthetic rubber composed of various materials has sufficient fluidity.

[0011] A canvas coating coating device, which is based on the canvas coating in the above scheme, is characterized in that it also includes a frame, on which are provided a plurality of scrapers located above the cloth body and inclined relative to the moving direction of the cloth body, the inclination directions of two adjacent scrapers are opposite, and the scrapers are provided with guide grooves distributed in a linear array, the guide grooves include a vertical portion and an arc portion, a diverter block for guiding synthetic rubber is provided between the vertical portions of two adjacent guide grooves, the starting end of the arc portion is connected to the vertical portion, and the second end is staggered with the vertical portion, a conveyor belt for conveying synthetic rubber is movably provided inside the arc portion, and the offset directions of the arc portions on two adjacent scrapers relative to the corresponding vertical portions are opposite.

[0012] Preferably, a water storage tank is provided inside the scraper, and the conveyor belt includes a first recessed portion engaged with the arc-shaped portion and a second recessed portion extending into the water storage tank.

[0013] Preferably, the conveyor belt is composed of a plurality of movably connected chain links, and the chain links are provided with drainage holes for allowing water in the water storage tank to penetrate into the arc-shaped portion.

[0014] Preferably, a paddle is provided on the side wall of the arc-shaped portion, and a sealing plate is movably provided inside the chain link, and the paddle moves to move the sealing plate inside the chain link it faces.

[0015] Preferably, a slider for supporting the scraper is movably provided on the frame, a first gear for driving the conveyor belt to move is movably provided on the scraper, and the slider reciprocates to allow the first gear to continuously rotate in a directional manner.

[0016] Preferably, racks meshing with the first gear are symmetrically and movably arranged on the frame, and the slider reciprocates to make the two racks mesh with the first gear alternately.

[0017] Preferably, a movable frame is movably provided on the frame, locking plates for locking the two racks are symmetrically provided on the movable frame, and a first locking groove and a second locking groove adapted to the locking plates are provided on the rack.

[0018] Preferably, a trigger block corresponding to the rack one by one and facing the slider is movably provided on the frame, and a pull rope is provided between the trigger block and the corresponding rack.

[0019] Preferably, the movable frame is provided with a lever for driving the movable frame to move up and down, and the sliding block is provided with an oblique groove adapted to the lever.

[0020] In the above technical scheme, a method for making a canvas coating and a coating device provided by the present invention have the following beneficial effects: when applying primer to the cloth, the cloth moves inside the frame, the primer is dripped on the cloth, and the inclined scraper pushes more primer on the cloth to avoid the primer on the cloth being too thick. Part of the primer will adhere to the scraper due to its own viscosity, part of the primer is located in the vertical part of the guide groove, and part of the primer enters two adjacent vertical parts under the guidance of the diverter block. In the process of continuous movement of the cloth, primer will continue to adhere to the scraper, and the later primer will push the previous primer, and the previous primer will be pushed into the arc-shaped part and The primer is moved by the conveyor belt in the arc-shaped portion, and moves from the starting end of the arc-shaped portion to the second end and is scraped off. Since the starting end of the arc-shaped portion is connected to the vertical portion and the second end is staggered with the vertical portion, the primer scraped off from the second end will fall back onto the cloth, and the dripping position is staggered with the previous vertical portion, so that the primer can be moved from the accumulated position to the position where the primer is scarce. The conveyor belt accelerates the movement of the primer and prevents the primer from staying on the scraper for a long time. Multiple inclined scrapers can guide the movement of the primer on the cloth. The opposite inclination directions of two adjacent scrapers can guide the primer to move in opposite directions, making it more convenient for the primer to cover the cloth. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present invention. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0022] Figure 1 A schematic diagram of the overall structure provided for an embodiment of the present invention;

[0023] Figure 2 A schematic diagram of the internal structure provided by an embodiment of the present invention;

[0024] Figure 3 A schematic diagram of the structure of an activity frame provided by an embodiment of the present invention;

[0025] Figure 4 for Figure 3 Enlarged view of point A in the middle;

[0026] Figure 5A schematic diagram of the structure of a lever provided by an embodiment of the present invention;

[0027] Figure 6 for Figure 5 Enlarged view of point B in the middle;

[0028] Figure 7 for Figure 6 Enlarged view of point C in the middle;

[0029] Figure 8 A schematic diagram of the distribution of multiple scrapers provided in an embodiment of the present invention;

[0030] Fig. 9 A schematic diagram of the structure of a guide groove provided in an embodiment of the present invention;

[0031] Fig.10 for Fig. 9 Enlarged view of point D in the middle;

[0032] Fig.11 A schematic diagram of the internal structure of a scraper provided in an embodiment of the present invention;

[0033] Fig.12 A schematic diagram of the structure of a conveyor belt provided by an embodiment of the present invention;

[0034] Fig.13 A schematic diagram of the structure of a chain link provided by an embodiment of the present invention;

[0035] Fig.14 A schematic diagram of the internal structure of a chain link provided in an embodiment of the present invention.

[0036] Description of reference numerals:

[0037] 1. frame; 11. scraper; 111. guide groove; 1111. paddle; 1112. arc portion; 1113. vertical portion; 1114. diverter block; 1115. water storage tank; 112. conveyor belt; 1121. second drive rod; 1122. first gear; 113. first recess; 114. second recess; 115. chain link; 116. cover plate; 117. connecting block; 11 8. Guide block; 119. Scraper block; 12. First drive rod; 121. Movable plate; 122. Movable frame; 123. First rack; 1231. First locking groove; 1232. Second locking groove; 1233. Second rack; 124. Locking plate; 125. Push rod; 126. Trigger block; 127. Pull rope; 128. Slider; 129. Inclined groove; 13. Support roller; 14. Cloth body. DETAILED DESCRIPTION

[0038] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below with reference to the accompanying drawings.

[0039] Embodiment 1

[0040] A method for making a canvas coating, the formula of which is as follows: 40% to 50% resin, 10% to 20% plasticizer, 10% to 20% diluent, 5% to 10% flame retardant, 1% to 2% stabilizer, 2% to 5% negative ion additive, 5% to 10% filler, and 5% to 10% other additives, and further comprising the following steps:

[0041] S1. Determine the quality of the materials in the formula according to the requirements;

[0042] S2, adding the resin into the stirring tank and heating the resin to a suitable temperature;

[0043] S3, add other materials in sequence and continue stirring to fully mix the various materials;

[0044] S4. Maintain appropriate temperature so that the synthetic rubber composed of various materials has sufficient fluidity.

[0045] Specifically, the resin in the above embodiments can be polyvinyl chloride, polyurethane, polypropylene, etc., the plasticizer can be a commonly used DBP plasticizer, the flame retardant can be a phosphazene series, aluminum hydroxide, magnesium hydroxide, etc., and the negative ion additive can be seagull stone, opal, tourmaline, additives, etc., which can release negative ions.

[0046] Embodiment 2

[0047] like Figure 1-14 As shown, a canvas coating coating device is based on the canvas coating in the above scheme, characterized in that it also includes a frame 1, on which are arranged a plurality of scrapers 11 located above a cloth body 14 and inclined relative to the moving direction of the cloth body 14, the inclined directions of two adjacent scrapers 11 are opposite, and the scrapers 11 are provided with guide grooves 111 distributed in a linear array, the guide grooves 111 include a vertical portion 1113 and an arc portion 1112, a diverter block 1114 for guiding synthetic rubber is arranged between the vertical portions 1113 of two adjacent guide grooves 111, the starting end of the arc portion 1112 is connected to the vertical portion 1113, and the second end is staggered with the vertical portion 1113, a conveyor belt 112 for conveying synthetic rubber is movably arranged inside the arc portion 1112, and the offset directions of the arc portions 1112 on two adjacent scrapers 11 are opposite to the corresponding vertical portions 1113.

[0048] Specifically, the frame 1 is provided with multiple rows of drip nozzles distributed in a linear array for discharging primer, and two adjacent rows of drip nozzles are arranged in a staggered manner. The multiple rows of drip nozzles correspond one by one to the multiple scrapers 11, and the frame 1 is provided with a supporting roller 13 for supporting the cloth body 14. The diverter block 1114 is symmetrically provided with arc-shaped notches corresponding to the two adjacent vertical portions 1113. The top of the vertical portion 1113 is provided with a guide block 118 for guiding the primer into the arc-shaped portion 1112. The second end of the arc-shaped portion 1112 is provided with a scraping block 119 for scraping the primer off the conveyor belt 112, and the axis of the arc-shaped portion 1112 is spiral.

[0049] Furthermore, when the cloth body 14 is coated with primer, the cloth body 14 moves inside the frame 1, and the first row of drip nozzles drips the primer on the cloth body 14. The inclined scraper 11 pushes more primer on the cloth body 14 to prevent the primer on the cloth body 14 from being too thick. Part of the primer will adhere to the scraper 11 due to its own viscosity, and part of the primer is located in the vertical portion 1113 of the guide groove 111. Part of the primer enters two adjacent vertical portions 1113 under the guidance of the diverter block 1114. In the process of continuous movement of the cloth body 14, primer will continue to adhere to the scraper 11, and the later primer will push the previous primer. The previous primer is pushed into the arc portion 1112 from the vertical portion 1113 under the guidance of the guide block 118, and is moved by the conveyor belt 112 in the arc portion 1112. The primer moves from the starting end of the arc portion 1112 to the second end. The scraper block 119 on the second end of the arc-shaped portion 1112 scrapes off the primer on the conveyor belt 112. Since the starting end of the arc-shaped portion 1112 is connected to the vertical portion 1113 and the second end is staggered with the vertical portion 1113, the primer scraped off from the second end will fall back onto the cloth body 14, and the dripping position is staggered with the previous vertical portion 1113, so that the primer can be moved from the accumulated position to the position where the primer is scarce. The conveyor belt 112 accelerates the movement of the primer to prevent the primer from staying on the scraper 11 for a long time. After the cloth body 14 passes the first scraper 11, the second row of drip nozzles drips primer on the cloth body 14, and the second scraper 11 repeats the material equalization work. Multiple inclined scrapers 11 can guide the movement of the primer on the cloth body 14. The opposite inclination directions of the two adjacent scrapers 11 can guide the primer to move in opposite directions, which is more convenient for the primer to cover the cloth body 14.

[0050] Furthermore, the distance between the multiple scrapers 11 and the cloth body 14 in the above embodiment can decrease with the moving direction of the cloth body 14, so that the multiple scrapers 11 can thin the primer on the cloth body 14 in turn, reduce the amount of primer used, and save costs.

[0051] In the above technical solution, when the cloth body 14 is coated with primer, the cloth body 14 moves inside the frame 1, and the primer is dripped on the cloth body 14. The inclined scraper 11 pushes more primer on the cloth body 14 to prevent the primer on the cloth body 14 from being too thick. Part of the primer will adhere to the scraper 11 due to its own viscosity, and part of the primer is located in the vertical portion 1113 of the guide groove 111. Part of the primer enters two adjacent vertical portions 1113 under the guidance of the diverter block 1114. In the process of continuous movement of the cloth body 14, primer will continue to adhere to the scraper 11, and the later primer will push the previous primer. The previous primer is pushed into the arc portion 1112 and is carried by the conveyor belt 112 in the arc portion 1112. As the primer moves, it moves from the starting end of the arc-shaped portion 1112 to the second end and is scraped off. Since the starting end of the arc-shaped portion 1112 is connected to the vertical portion 1113 and the second end is staggered with the vertical portion 1113, the primer scraped off from the second end will fall back onto the cloth body 14, and the dripping position is staggered with the previous vertical portion 1113, which can move the primer from the accumulated position to the position where the primer is scarce. The conveyor belt 112 accelerates the movement of the primer and prevents the primer from staying on the scraper 11 for a long time. Multiple inclined scrapers 11 can guide the movement of the primer on the cloth body 14. The opposite inclination directions of two adjacent scrapers 11 can guide the primer to move in opposite directions, making it more convenient for the primer to cover the cloth body 14.

[0052] As a further embodiment of the present invention, a water tank 1115 is provided inside the scraper 11 , and the conveyor belt 112 includes a first recess 113 engaged with the arc portion 1112 and a second recess 114 extending into the water tank 1115 .

[0053] Specifically, a liquid infusion tube connected to the water storage tank 1115 is provided on the frame 1.

[0054] Furthermore, the conveyor belt 112 moves inside the scraper 11. When the conveyor belt 112 moves, the conveyor belt 112 inside the water tank 1115 moves toward the arc portion 1112 with water, and the primer on the scraper 11 contacts the conveyor belt 112. The water on the conveyor belt 112 can moisten the primer to prevent the primer from solidifying due to water loss, and also facilitates the separation of the primer from the conveyor belt 112. Then the conveyor belt 112 returns to the water tank 1115, and the water in the water tank 1115 washes off the residual primer on the conveyor belt 112.

[0055] As another embodiment further provided by the present invention, the conveyor belt 112 is composed of a plurality of movably connected chain links 115 , and the chain links 115 are provided with drainage holes for allowing water in the water storage tank 1115 to penetrate into the arc-shaped portion 1112 .

[0056] Specifically, two adjacent chain links 115 can rotate or slide axially (eg Fig.13As shown), the chain link 115 can adapt to the arc-shaped portion 1112. A through hole penetrating the water storage tank 1115 and the arc-shaped portion 1112 is opened on the scraper 11. The cross-section of the chain link 115 is an isosceles trapezoid. When the chain link 115 moves to the first recess 113, multiple chain links 115 are tightly together to form an arch, preventing the primer from entering the gap between two adjacent chain links 115.

[0057] Furthermore, when the chain links 115 constituting the conveyor belt 112 move along the arc portion 1112, the drainage holes on the chain links 115 will gradually approach the through holes at the bottom of the water tank 1115. When the drainage holes are opposite to the through holes, the water inside the water tank 1115 will penetrate into the arc portion 1112 through the through holes and the drainage holes, and wet the primer on the chain links 115 to prevent the primer from solidifying on the chain links 115.

[0058] As another embodiment further provided by the present invention, a paddle 1111 is provided on the side wall of the arc-shaped portion 1112, and a sealing plate 116 is movably provided inside the link 115. The paddle 1111 moves to move the sealing plate 116 inside the link 115 facing it.

[0059] Specifically, a spring is provided between the sealing plate 116 and the chain link 115 , a connecting block 117 is provided on the sealing plate 116 , and there is magnetic attraction cooperation between the connecting block 117 and the paddle 1111 , and the sealing plate 116 is used to block the drainage hole.

[0060] Furthermore, when the chain link 115 moves inside the water storage tank 1115, the drainage hole is closed by the sealing plate 116 to form a groove in which a small amount of water is stored. Then the chain link 115 moves into the arc portion 1112 and contacts the primer, and the water flows out of the groove and moistens the primer. When there is too much primer on the conveyor belt 112 and the water in the groove of the chain link 115 is insufficient to moisten the primer, the chain link 115 moves along the arc portion 1112 with the primer and gradually contacts the paddle 1111. When the primer contacts the paddle 1111, the paddle 1111 is magnetically engaged with the connecting block 117. The primer continues to move and pushes the paddle block to move. The paddle block drives the sealing plate 116 to move through the connecting block 117, so that the drainage hole on the connection is opened. At this time, the water inside the water storage tank 1115 will penetrate into the arc portion 1112 through the through hole and the drainage hole, and moisten the primer on the chain link 115, thereby preventing the primer from solidifying on the chain link 115.

[0061] As another embodiment further provided by the present invention, a slider 128 for supporting the scraper 11 is movably provided on the frame 1, and a first gear 1122 for driving the conveyor belt 112 to move is movably provided on the scraper 11, and the slider 128 reciprocates to make the first gear 1122 continuously rotate in a directional manner.

[0062] Specifically, a slide groove adapted to the slider 128 is opened on the frame 1, and a movable plate 121 is slidably arranged on the frame 1. The movable plate 121 is fixedly connected to multiple sliders 128. A driving rod for driving the movable plate 121 to reciprocate is rotatably arranged on the frame 1. A synchronous belt is arranged between the first driving rod 12 and the supporting roller 13. The first driving rod 12 is specifically a reciprocating screw rod. The scraper 11 is internally rotatably arranged with a second driving rod 1121 for driving multiple conveyor belts 112 to move. A shaft rod is arranged on the first gear 1122, and a first bevel gear is arranged on the shaft rod. A second bevel gear meshing with the first bevel gear is arranged on the second driving rod 1121.

[0063] Furthermore, when the cloth body 14 moves in the frame 1, the supporting roller 13 rotates to support the cloth body 14, and the supporting roller 13 drives the first driving rod 12 to rotate through the synchronous belt. The first driving rod 12 drives the movable plate 121 and the slider 128 to move back and forth, and the slider 128 drives the scraper 11 to move back and forth in a direction perpendicular to the cloth body 14. The scraper 11 pushes the primer to move, so that the primer is more evenly distributed on the cloth body 14. At the same time, the first gear 1122 continues to rotate in a directional manner, and the first gear 1122 drives the first bevel gear to rotate through the shaft rod, and the first bevel gear drives the second driving rod 1121 to rotate through the second bevel gear meshing therewith, and the second driving rod 1121 drives the conveyor belt 112 to move, and the conveyor belt 112 transports the primer attached to the scraper 11.

[0064] As another embodiment further provided by the present invention, racks meshing with the first gear 1122 are symmetrically and movably arranged on the frame 1, and the slider 128 reciprocates to make the two racks mesh with the first gear 1122 alternately.

[0065] Specifically, when the slider 128 moves back and forth with the scraper 11 in a direction perpendicular to the cloth body 14, two racks distributed on both sides of the first gear 1122 are alternately meshed with the first gear 1122. When the moving direction of the slider 128 changes, the rack meshed with the first gear 1122 also changes, and the two racks alternately push the first gear 1122 to rotate, and the first gear 1122 continues to rotate and the rotation direction remains unchanged.

[0066] As another embodiment further provided by the present invention, a movable frame 122 is movably provided on the frame 1, locking plates 124 for locking two racks are symmetrically provided on the movable frame 122, and a first locking groove 1231 and a second locking groove 1232 adapted to the locking plates 124 are provided on the rack.

[0067] Specifically, the rack includes a first rack 123 and a second rack 1233. When the slider 128 carries the scraper 11 along the first direction (with Figure 8According to the present invention, when the slider 128 moves with the scraper 11 upward as the first direction, and the slider 128 moves with the scraper 11 downward as the second direction), the second locking groove 1232 on the first rack 123 cooperates with the locking plate 124, the first rack 123 engages with the first gear 1122, the first locking groove 1231 of the second rack 1233 cooperates with the locking plate 124, and the second rack 1233 is separated from the first gear 1122.

[0068] As another embodiment further provided by the present invention, a trigger block 126 corresponding to the rack one by one and facing the slider 128 is movably provided on the frame 1, a pull rope 127 is provided between the trigger block 126 and the corresponding rack, a lever 125 for driving it to move up and down is provided on the movable frame 122, and an inclined groove 129 adapted to the lever 125 is provided on the slider 128.

[0069] Specifically, a spring is provided between the trigger block 126 and the frame 1 , a spring is provided between the rack and the frame 1 , and a spring is provided between the movable frame 122 and the frame 1 .

[0070] Furthermore, when the cloth body 14 is coated with primer, the cloth body 14 moves inside the frame 1, and the first row of drip nozzles drips the primer on the cloth body 14. The inclined scraper 11 pushes more primer on the cloth body 14 to prevent the primer on the cloth body 14 from being too thick. Part of the primer will adhere to the scraper 11 due to its own viscosity, part of the primer is located in the vertical portion 1113 of the guide groove 111, and part of the primer enters two adjacent vertical portions 1113 under the guidance of the diverter block 1114. In the process of continuous movement of the cloth body 14, primer will continue to adhere to the scraper 11, and the later primer will push the previous primer. The previous primer is pushed from the vertical portion 1113 into the arc portion 1112 under the guidance of the guide block 118, and adheres to the conveyor belt 112.

[0071] At the same time, the supporting roller 13 rotates to support the cloth body 14, and the supporting roller 13 drives the first driving rod 12 to rotate through the synchronous belt. The first driving rod 12 drives the movable plate 121 and the slider 128 to reciprocate, and the slider 128 drives the scraper 11 to reciprocate in a direction perpendicular to the cloth body 14. The scraper 11 pushes the primer to move, so that the primer is more evenly distributed on the cloth body 14. When the slider 128 drives the scraper 11 along the first direction (with Figure 8According to the present invention, the slider 128 moves upward with the scraper 11 as the first direction, and the slider 128 moves downward with the scraper 11 as the second direction), the second locking groove 1232 on the first rack 123 cooperates with the locking plate 124, the first rack 123 meshes with the first gear 1122, the first locking groove 1231 of the second rack 1233 cooperates with the locking plate 124, the second rack 1233 separates from the first gear 1122, and when the slider 128 moves to the first rack 123, when the slider 12 When the slider 128 moves to the end of the slide slot, it pushes the trigger block 126 corresponding to the second rack 1233, and the trigger block 126 moves toward the inside of the frame 1. The pull rope 127 between the trigger block 126 and the second rack 1233 is loosened, and the slider 128 continues to move. The lever 125 on the movable frame 122 is inserted into the inclined groove 129 on the slider 128, and the inclined groove 129 pushes the lever 125. The lever 125 moves downward with the movable frame 122, and the locking piece 124 on the movable frame 122 separates from the two racks. The two racks are unlocked, and the first rack 123 is pulled by the corresponding trigger block 126 through the pull rope 127 to shrink into the frame 1 and separate from the first gear 1122. The pull rope 127 between the second rack 1233 and the corresponding trigger block 126 is relaxed, and the second rack 1233 is extended to the outside of the frame 1 and meshes with the first gear 1122 under the push of the spring. The first locking groove 1231 of the first rack 123 is opposite to a locking plate 124, and the second locking groove 1231 of the second rack 1233 is opposite to a locking plate 124. 232 is facing the other locking piece 124, and then the moving direction of the slider 128 changes and moves to the second direction, the lever 125 gradually leaves the inclined slot 129, the movable frame 122 moves up, the two locking pieces 124 lock the two racks, the first gear 1122 continues to rotate in a directional manner, the first gear 1122 drives the first bevel gear to rotate through the shaft rod, the first bevel gear drives the second driving rod 1121 to rotate through the second bevel gear meshing therewith, and the second driving rod 1121 drives the conveyor belt 112 to move.

[0072] The chain links 115 constituting the conveyor belt 112 will pass through the water storage tank 1115 during the movement, and the water storage tank 1115 will wash off the primer attached to the chain links 115. At the same time, the drainage holes on the chain links 115 are closed by the sealing plate 116 to form a groove, in which a small amount of water is stored. Then the chain links 115 move into the arc-shaped portion 1112 and come into contact with the primer. This part of water flows out of the groove and wets the primer. When there is too much primer on the conveyor belt 112 and the water in the groove of the chain links 115 is insufficient to wet the primer, the chain links 115 move along the arc-shaped portion 1112 with the primer and gradually come into contact with the paddle 1111. When the primer comes into contact with the paddle 1111, the paddle 1111 is magnetically matched with the connecting block 117, and the primer continues to move and pushes the paddle block to move. The paddle block drives the sealing plate 116 to move through the connecting block 117. , so that the drainage hole on the connection is opened, at this time, the water inside the water storage tank 1115 will penetrate into the arc portion 1112 through the through hole and the drainage hole, and wet the primer on the chain link 115 to prevent the primer from solidifying on the chain link 115, and the primer moves from the starting end of the arc portion 1112 to the second end along with the conveyor belt 112, and the scraper block 119 on the second end of the arc portion 1112 scrapes the primer on the conveyor belt 112. Since the starting end of the arc portion 1112 is connected to the vertical portion 1113 and the second end is staggered with the vertical portion 1113, the primer scraped off from the second end will fall back onto the cloth body 14, and the dripping position is staggered with the previous vertical portion 1113, so that the primer can be moved from the accumulated position to the position where the primer is scarce, and the conveyor belt 112 accelerates the movement of the primer to prevent the primer from staying on the scraper 11 for a long time.

[0073] After the cloth body 14 passes through the first scraper 11, the second row of drip nozzles drip primer on the cloth body 14, and the second scraper 11 repeats the material equalization work. Multiple inclined scrapers 11 can guide the movement of the primer on the cloth body 14. The opposite inclination directions of two adjacent scrapers 11 can guide the movement of the primer in opposite directions, which is more convenient for the primer to cover the cloth body 14. At the same time, the offset directions of the arc-shaped parts 1112 on the two adjacent scrapers 11 relative to the corresponding vertical parts 1113 are opposite, which can make the conveyor belts 112 on the two adjacent scrapers 11 convey the primer in opposite directions, making the primer distribution more uniform.

[0074] The above description is only by way of illustration of certain exemplary embodiments of the present invention. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A canvas coating coating device, characterized in that: The machine also comprises a frame (1), wherein the frame (1) is provided with a plurality of scrapers (11) located above the cloth body (14) and inclined relative to the moving direction of the cloth body (14), wherein the inclination directions of two adjacent scrapers (11) are opposite, and the scrapers (11) are provided with guide grooves (111) distributed in a linear array, wherein the guide grooves (111) comprise vertical portions (1113) and arc portions (1112), and the vertical portions (1111) of two adjacent guide grooves (111) are arranged in a straight line. 3) is provided between the two scrapers (11) and a diverter block (1114) for guiding the synthetic rubber, the starting end of the arc-shaped portion (1112) is connected to the vertical portion (1113), and the second end is staggered with the vertical portion (1113), a conveyor belt (112) for conveying the synthetic rubber is movably provided inside the arc-shaped portion (1112), and the offset directions of the arc-shaped portions (1112) on two adjacent scrapers (11) relative to the corresponding vertical portions (1113) are opposite.

2. A canvas coating application device according to claim 1, characterized in that: A water storage tank (1115) is provided inside the scraper (11), and the conveyor belt (112) comprises a first recessed portion (113) engaged with the arc-shaped portion (1112) and a second recessed portion (114) extending into the water storage tank (1115).

3. A canvas coating application device according to claim 2, characterized in that: The conveyor belt (112) is composed of a plurality of movably connected chain links (115), and the chain links (115) are provided with drainage holes for allowing water in the water storage tank (1115) to penetrate into the arc-shaped portion (1112).

4. A canvas coating application device according to claim 3, characterized in that: A paddle (1111) is provided on the side wall of the arc-shaped portion (1112), a sealing plate (116) is movably provided inside the chain link (115), and the paddle (1111) moves to move the sealing plate (116) inside the chain link (115) facing it.

5. The canvas coating application device according to claim 1, characterized in that: A slider (128) for supporting the scraper (11) is movably provided on the frame (1), a first gear (1122) for driving the conveyor belt (112) to move is movably provided on the scraper (11), and the slider (128) reciprocates to enable the first gear (1122) to continuously rotate in a directional manner.

6. A canvas coating application device according to claim 5, characterized in that: The frame (1) is symmetrically and movably provided with racks meshing with the first gear (1122), and the slider (128) reciprocates to allow the two racks to alternately mesh with the first gear (1122).

7. The canvas coating application device according to claim 6, characterized in that: A movable frame (122) is movably provided on the frame (1), locking plates (124) for locking the two racks are symmetrically provided on the movable frame (122), and a first locking groove (1231) and a second locking groove (1232) adapted to the locking plates (124) are provided on the racks.

8. The canvas coating application device according to claim 6, characterized in that: A trigger block (126) corresponding one-to-one to the rack and facing the slider (128) is movably arranged on the frame (1), and a pull rope (127) is arranged between the trigger block (126) and the corresponding rack.

9. The canvas coating application device according to claim 7, characterized in that: The movable frame (122) is provided with a lever (125) for driving the movable frame (122) to move up and down, and the sliding block (128) is provided with an inclined groove (129) adapted to the lever (125).

Images