A coating apparatus for single-side coating of white board paper

Abstract

The utility model provides a kind of single side coating whiteboard paper's coating equipment, belong to whiteboard paper processing equipment technical field.The utility model embodiment provides a kind of single side coating whiteboard paper's coating equipment, sequentially be equipped with spraying assembly, roll brush subassembly and roll pressure coating subassembly on the transmission path of whiteboard paper, can be in the transmission process of whiteboard paper, by spraying assembly, coating is sprayed on the surface of whiteboard paper, then by roll brush subassembly, the coating on the paperboard of whiteboard paper is evenly brushed, so that coating is more evenly distributed on the surface of whiteboard paper.Coating on the surface of whiteboard paper is evenly brushed after roll brush subassembly, then by roll pressure coating subassembly, coating on the surface of whiteboard paper is roll pressure coating, so that coating can be more evenly coated on the surface of whiteboard paper, compared with the coating roller of being coated by coating in prior art, coating is coated on the surface of whiteboard paper, effectively improve the uniformity of whiteboard paper surface coating.

Description

Technical Field

[0001] This utility model belongs to the technical field of whiteboard paper processing equipment, and in particular, relates to a coating equipment for single-sided coating of whiteboard paper. Background Technology

[0002] White cardboard is a type of paperboard composed of a face layer, a core layer, and a bottom layer. During production, a special coating is typically applied to the surface of the cardboard to increase its gloss and smoothness, improving its visual appeal and protective properties. Current coating equipment generally involves first immersing a coating roller in the coating solution, and then using the coated roller to apply the coating to the surface of the white cardboard. However, this method of using a coated roller to apply the coating can easily result in uneven coating, reducing the overall coating effect. Utility Model Content

[0003] Based on the above-mentioned problems in the prior art, the purpose of this utility model embodiment is to provide a coating device for single-sided coating of whiteboard paper, so as to solve the technical problem that the coating device in the prior art uses a coating roller soaked in coating to apply the coating to the surface of the whiteboard paper, which easily leads to uneven coating.

[0004] To achieve the above objectives, the technical solution adopted by this utility model is: to provide a coating device for single-sided coating of whiteboard paper, comprising: frame; A cardboard conveying assembly includes a plurality of conveying rollers rotatably mounted on a frame, a first power roller rotatably mounted at the feed end of the frame, and a second power roller rotatably mounted at the discharge end of the frame. The plurality of conveying rollers are arranged side by side in sequence along the direction from the feed end of the frame to the discharge end of the frame. The first power roller and the second power roller are respectively located above the corresponding conveying rollers. A first gap for whiteboard paperboard to pass through is respectively provided between the first power roller and the second power roller and between the first power roller and the corresponding conveying roller. Spraying assembly for spraying paint onto the surface of whiteboard paperboard; A roller brush assembly is used to brush the paint sprayed on the whiteboard paperboard, and the roller brush assembly is rotatably mounted on the frame; A roll coating assembly is used to roll coat the coating on whiteboard paperboard. The roll coating assembly is rotatably mounted on the frame. The spraying assembly, the brush assembly, and the roll coating assembly are arranged sequentially along the conveying direction of the whiteboard paperboard conveying assembly. A transmission assembly is used to drive the first power roller, the second power roller, the roller brush assembly, and the roll coating assembly; and A drive motor is used to drive the first power roller, the second power roller, the roller brush assembly, and the roller coating assembly to rotate. The drive motor is connected to the transmission assembly for transmission.

[0005] Furthermore, the spraying assembly includes a feed cylinder fixedly mounted on the frame and located above the conveying roller, a plurality of nozzles disposed on the feed cylinder and communicating with the feed cylinder, a paint supply tank for storing paint, a feed pump disposed in the paint supply tank, and a feed pipe for connecting the feed cylinder to the discharge port of the feed pump.

[0006] Furthermore, multiple nozzles are arranged in a matrix on the outer circumferential surface of the feed cylinder, and the spray holes of each nozzle are all facing the coating surface of the whiteboard paper on the conveying roller.

[0007] Furthermore, the roller brush assembly includes multiple roller brushes rotatably mounted on the frame. The multiple roller brushes are arranged sequentially along the conveying direction of the whiteboard paper conveying assembly, and the outer peripheral surface of the roller brushes is provided with bristles for brushing the coating.

[0008] Furthermore, the spacing between two adjacent roller brushes is equal.

[0009] Furthermore, the bristles are coated with a Teflon coating.

[0010] Furthermore, the roll coating assembly includes a plurality of coating rollers rotatably mounted on the frame. The plurality of coating rollers are arranged sequentially along the conveying direction of the whiteboard paper conveying assembly, and each coating roller has a second gap between itself and the corresponding conveying roller for the whiteboard paper to pass through.

[0011] Furthermore, the spacing between two adjacent coating rollers is equal.

[0012] Furthermore, the transmission assembly includes a first synchronous pulley connected to the first power roller, a second synchronous pulley connected to the second power roller, a third synchronous pulley connected to the roller brush of the roller brush assembly, a fourth synchronous pulley connected to the coating roller of the roll coating assembly, and a synchronous belt that drives the first synchronous pulley, the second synchronous pulley, the third synchronous pulley and the fourth synchronous pulley, and the output shaft of the drive motor is connected to the second synchronous pulley.

[0013] Furthermore, the coating roller of the roll coating assembly is coated with a Teflon coating.

[0014] Compared with the prior art, one or more technical solutions in the embodiments of this utility model have at least one of the following beneficial effects: This invention discloses a coating device for single-sided coating of whiteboard paper. The device comprises a spraying assembly, a roller brush assembly, and a roller coating assembly sequentially arranged along the paper's transport path. During transport, the spraying assembly sprays paint onto the surface of the whiteboard paper. The roller brush assembly then evenly distributes the paint across the paper surface. After the paint is evenly brushed by the roller brush assembly, the roller coating assembly applies the paint to the whiteboard paper surface, resulting in a more uniform coating. Compared to existing coating devices that use paint-soaked rollers to apply paint, this device effectively improves the uniformity of paint coating on the whiteboard paper surface. Attached Figure Description

[0015] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0016] Figure 1 A three-dimensional structural schematic diagram of a coating device for single-sided coating of whiteboard paper provided in an embodiment of this utility model; Figure 2 Another three-dimensional structural schematic diagram of the coating equipment for single-sided coating of whiteboard paper provided in an embodiment of this utility model; Figure 3 A cross-sectional structural schematic diagram of a coating device for single-sided coating of whiteboard paper provided in an embodiment of this utility model; Figure 4 An assembly diagram of the cardboard conveying assembly and the roll coating assembly provided in this embodiment of the utility model; Figure 5 A three-dimensional structural diagram of the frame provided in an embodiment of this utility model; Figure 6 An assembly drawing of the feeding cylinder and nozzle provided for an embodiment of this utility model; Figure 7 A three-dimensional structural schematic diagram of the roller brush assembly provided in an embodiment of this utility model; Figure 8 An exploded view of the main components of the coating equipment for single-sided coating of whiteboard paper provided in this embodiment of the utility model.

[0017] The following are the labeling elements in the figure: 1-Frame; 11-Support leg; 12-Guard plate; 13-Feed end; 14-Discharge end; 2-Paperboard conveying assembly; 21-Conveyor roller; 22-First power roller; 23-Second power roller; 3-Spraying assembly; 31-Feed cylinder; 32-Spray nozzle; 33-Paint supply tank; 34-Feeding pipe; 4-Roller brush assembly; 41-Roller brush; 42-Brush bristles; 5-Roller coating assembly; 51-Coating roller; 6-Transmission assembly; 61-First synchronous pulley; 62-Second synchronous pulley; 63-Third synchronous pulley; 64-Fourth synchronous pulley; 65-Synchronous belt; 7-Drive motor. Detailed Implementation

[0018] To make the technical problems, technical solutions, and beneficial effects of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.

[0019] It should be noted that when an element is referred to as "connected to" or "set on" another element, it can be directly on or indirectly on the other element. When an element is referred to as "connected to" another element, it can be directly connected to or indirectly connected to the other element. Furthermore, the terms "first," "second," "third," and "fourth" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, features defined with "first," "second," "third," and "fourth" may explicitly or implicitly include one or more of that feature. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified. In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installed," "connected," and "attached" should be interpreted broadly, for example, as a fixed connection, a detachable connection, or an integral connection; a mechanical connection or an electrical connection; a direct connection or an indirect connection through an intermediate medium; or a connection within two elements or an interaction between two elements. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0020] Throughout this specification, reference to "an embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with an embodiment is included in at least one embodiment of this application. Therefore, the phrases "in one embodiment," "in some embodiments," or "in some of these embodiments" appear in various places throughout the specification, and not all refer to the same embodiment. Furthermore, in one or more embodiments, particular features, structures, or characteristics may be combined in any suitable manner.

[0021] Please refer to the following: Figures 1 to 8 The coating equipment for single-sided coating of white cardboard provided in this embodiment of the present invention will now be described. Please refer to the following for further details. Figure 1 , Figure 2 , Figure 3 and Figure 5The coating equipment for single-sided coated whiteboard paper provided in this embodiment of the utility model includes a frame 1, a paperboard conveying assembly 2, a spraying assembly 3, a roller brush assembly 4, a roller coating assembly 5, a transmission assembly 6, and a drive motor 7. The bottom of the frame 1 is provided with several support legs 11, and the two sides of the frame 1 are provided with guard plates 12. The cardboard conveying assembly 2 includes multiple conveying rollers 21 rotatably mounted on the frame 1 via bearings, a first power roller 22 rotatably mounted on the feed end 13 of the frame 1 via bearings, and a second power roller 23 rotatably mounted on the discharge end 14 of the frame 1 via bearings. The multiple conveying rollers 21 are arranged side by side in sequence along the direction from the feed end 13 of the frame 1 to the discharge end 14 of the frame 1. The first power roller 22 and the second power roller 23 are respectively located above the corresponding conveying rollers 21. There are first gaps between the first power roller 22 and the second power roller 23 and between the first power roller 22 and the corresponding conveying roller 21 for the white cardboard to pass through. The white cardboard to be coated only needs to pass through the first gap between the first power roller 22 and the corresponding conveying roller 21 and the first gap between the second power roller 23 and the corresponding conveying roller 21 in sequence. The white cardboard to be coated can be driven by the first power roller 22 and the second power roller 23 rotating in the same direction and continuously conveyed along the direction from the feed end 13 of the frame 1 to the discharge end 14 of the frame 1. The spraying assembly 3, the roller brush assembly 4, and the roll coating assembly 5 are positioned along the transport path of the whiteboard paper to be coated, and are arranged sequentially along the transport direction of the whiteboard paper transport assembly 2. The spraying assembly 3 sprays the coating onto the surface of the whiteboard paperboard. After the spraying assembly 3 applies the coating, the roller brush assembly 4 brushes the coating onto the whiteboard paperboard. Areas with thicker coating on the whiteboard paper surface are brushed by the roller brush assembly 4, resulting in a more uniform coating distribution. After the surface coating has been brushed by the roller brush assembly 4, the whiteboard paper passes through the roll coating assembly 5, where the roll coating assembly 5 applies the coating, ensuring a uniform coating on the surface of the whiteboard paper. The roller brush assembly 4 and the roller coating assembly 5 are rotatably mounted on the frame 1 via bearings. The transmission assembly 6 is connected to the first power roller 22, the second power roller 23, the roller brush assembly 4, and the roller coating assembly 5. The drive motor 7 is connected to the transmission assembly 6, thereby enabling the drive motor 7 to drive the first power roller 22, the second power roller 23, the roller brush assembly 4, and the roller coating assembly 5 to rotate.

[0022] When the coating equipment for single-sided coated whiteboard paper provided in this embodiment of the invention is working, during the continuous conveying of whiteboard paper along the direction from the feed end 13 of the frame 1 to the discharge end 14 of the frame 1 by the first power roller 22, the second power roller 23, and multiple conveying rollers 21, the coating material is sprayed onto the surface of the whiteboard paper by the spraying assembly 3. Then, the coating material sprayed onto the whiteboard paper is brushed by the roller brush assembly 4, so that the areas with a larger coating thickness on the whiteboard paper surface are more evenly distributed on the surface of the whiteboard paper under the brushing action of the roller brush assembly 4. After the coating material on the surface of the whiteboard paper is brushed by the roller brush assembly 4, the coating material on the surface of the whiteboard paper is then roller coated by the roller pressing assembly 5, thereby making the coating material evenly coated on the surface of the whiteboard paper. Compared with the coating equipment in the prior art that uses a coating roller soaked in coating material to apply coating material to the surface of whiteboard paper, this effectively improves the uniformity of coating material on the surface of whiteboard paper.

[0023] Please refer to the following: Figure 2 , Figure 3 , Figure 6 and Figure 8 In some embodiments, the spraying assembly 3 includes a feed cylinder 31 fixedly mounted on the frame 1 and located above the conveying roller 21, a plurality of nozzles 32 disposed on and communicating with the feed cylinder 31, a paint supply tank 33 for storing paint, a feed pump disposed in the paint supply tank 33, and a feed pipe 34 for connecting the feed cylinder 31 to the discharge end 14 of the feed pump. In this embodiment, the paint in the paint supply tank 33 is pumped into the feed cylinder 31 by the feed pump. Under the pumping pressure of the feed pump, the paint in the feed cylinder 31 can be dispersedly conveyed to the plurality of nozzles 32 through the branch channels. The plurality of nozzles 32 then disperse and uniformly spray the paint onto the surface of the whiteboard paper that has passed through the spraying assembly 3, which can avoid the situation of excessive or insufficient paint in some areas on the surface of the whiteboard paper, thereby improving the uniformity of paint coating on the surface of the whiteboard paper.

[0024] Please refer to the following: Figure 3 and Figure 5 In some embodiments, multiple nozzles 32 are arranged in a matrix on the outer peripheral surface of the feed cylinder 31, and the spray holes of each nozzle 32 are all facing the coating surface of the whiteboard paper on the conveying roller 21, which enables the coating to be sprayed more evenly and dispersed on the surface of the whiteboard paper after passing through the spraying assembly 3.

[0025] Please refer to the following: Figure 2 , Figure 3 , Figure 7 and Figure 8In some embodiments, the roller brush assembly 4 includes multiple roller brushes 41 rotatably mounted on the frame 1 via a rotating shaft. The multiple roller brushes 41 are arranged sequentially along the conveying direction of the whiteboard paper conveying assembly 2. The outer peripheral surface of the roller brushes 41 is provided with bristles 42 for brushing the coating. In this embodiment, by rotatably mounting multiple roller brushes 41 on the frame 1, the coating on the whiteboard paper can be brushed sequentially by the multiple roller brushes 41. After multiple brushings, the uniformity of the coating distribution on the surface of the whiteboard paper can be further improved, which is beneficial to the uniform coating of the subsequent coating.

[0026] Please refer to the following: Figure 2 , Figure 3 and Figure 7 In some embodiments, the spacing between two adjacent roller brushes 41 is equal. By using multiple roller brushes 41 with equal spacing to brush the paint on the whiteboard paper in sequence, the uniformity of the paint distribution on the surface of the whiteboard paper is further improved, which is beneficial to the uniform coating of the paint in the subsequent process.

[0027] Please refer to the following: Figure 2 , Figure 3 and Figure 5 In some embodiments, the bristles 42 of the roller brush 41 are coated with a Teflon coating, which can effectively prevent the paint from sticking to the bristles 42 and affecting the uniformity of the paint being brushed by the roller brush 41.

[0028] Please refer to the following: Figure 3 , Figure 4 and Figure 8 In some embodiments, the roll coating assembly 5 includes a plurality of coating rollers 51 rotatably mounted on the frame 1 via bearings. The plurality of coating rollers 51 are arranged sequentially along the conveying direction of the whiteboard paper conveying assembly 2, and each coating roller 51 has a second gap between itself and the corresponding conveying roller 21 for the whiteboard paper to pass through. In this embodiment, the coating on the whiteboard paper is sequentially roll-coated by the plurality of coating rollers 51, so that the coating on the whiteboard paper can undergo multiple roll coating processes, which can further improve the uniformity of the coating on the surface of the whiteboard paper.

[0029] Please refer to the following: Figure 2 , Figure 3 and Figure 4 In some embodiments, the spacing between two adjacent coating rollers 51 is equal. Multiple coating rollers 51 arranged at equal intervals are used to uniformly roll and coat the coating on the whiteboard paper in sequence, so that the coating on the whiteboard paper can be rolled and coated multiple times, which can further improve the uniformity of the coating on the surface of the whiteboard paper.

[0030] Please refer to the following: Figure 2 , Figure 4 and Figure 8In some embodiments, the transmission assembly 6 includes a first synchronous pulley 61 connected to the first power roller 22, a second synchronous pulley 62 connected to the second power roller 23, a third synchronous pulley 63 connected to the roller brush 41 of the roller brush assembly 4, a fourth synchronous pulley 64 connected to the coating roller 51 of the roll coating assembly 5, and a synchronous belt 65 connecting the first synchronous pulley 61, the second synchronous pulley 62, the third synchronous pulley 63, and the fourth synchronous pulley 64. The output shaft of the drive motor 7 is connected to the second synchronous pulley 62, thereby enabling the first power roller 22, the second power roller 23, the roller brush 41 of the roller brush assembly 4, and the coating roller 51 of the roll coating assembly 5 to rotate synchronously via a single drive motor 7. It should be noted that the drive motor 7 may be, but is not limited to, a geared motor.

[0031] It should be noted that, in some embodiments, the coating roller 51 of the roll coating assembly 5 is coated with a Teflon coating, which effectively prevents the coating material from sticking to the surface of the coating roller 51 and affecting the uniformity of the coating. It should also be noted that, to prevent the coating material from sticking to the second power roller 23, the outer circumferential surface of the second power roller 23 is coated with a Teflon coating.

[0032] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A coating device for single-sided coating of whiteboard paper, characterized in that, include: frame; A cardboard conveying assembly includes a plurality of conveying rollers rotatably mounted on a frame, a first power roller rotatably mounted at the feed end of the frame, and a second power roller rotatably mounted at the discharge end of the frame. The plurality of conveying rollers are arranged side by side in sequence along the direction from the feed end of the frame to the discharge end of the frame. The first power roller and the second power roller are respectively located above the corresponding conveying rollers. A first gap for whiteboard paperboard to pass through is provided between the first power roller and the second power roller and between the first power roller and the corresponding conveying roller. Spraying assembly for spraying paint onto the surface of whiteboard paperboard; A roller brush assembly is used to brush the paint sprayed on the whiteboard paperboard, and the roller brush assembly is rotatably mounted on the frame; A roll coating assembly is used to roll coat the coating on whiteboard paperboard. The roll coating assembly is rotatably mounted on the frame. The spraying assembly, the brush assembly, and the roll coating assembly are arranged sequentially along the conveying direction of the whiteboard paperboard conveying assembly. A transmission assembly is used to drive and connect the first power roller, the second power roller, the roller brush assembly, and the roller coating assembly; as well as A drive motor is used to drive the first power roller, the second power roller, the roller brush assembly, and the roller coating assembly to rotate. The drive motor is connected to the transmission assembly for transmission.

2. The coating equipment for single-sided coating of white board paper as described in claim 1, characterized in that, The spraying assembly includes a feed cylinder fixedly mounted on the frame and located above the conveying roller, a plurality of nozzles disposed on the feed cylinder and communicating with the feed cylinder, a paint supply tank for storing paint, a feed pump disposed in the paint supply tank, and a feed pipe for connecting the feed cylinder to the discharge port of the feed pump.

3. The coating equipment for single-sided coating of white board paper as described in claim 2, characterized in that, Multiple nozzles are arranged in a matrix on the outer circumferential surface of the feed cylinder, and the spray holes of each nozzle are all facing the coating surface of the whiteboard paper on the conveying roller.

4. The coating equipment for single-sided coating of white board paper as described in claim 1, characterized in that, The roller brush assembly includes multiple roller brushes rotatably mounted on the frame. The multiple roller brushes are arranged sequentially along the conveying direction of the whiteboard paper conveying assembly. The outer peripheral surface of the roller brushes is provided with bristles for brushing the coating.

5. The coating equipment for single-sided coating of whiteboard paper as described in claim 4, characterized in that, The spacing between two adjacent roller brushes is equal.

6. The coating equipment for single-sided coating of white board paper as described in claim 4, characterized in that, The bristles are coated with a Teflon coating.

7. The coating equipment for single-sided coating of white board paper as described in claim 1, characterized in that, The roll coating assembly includes a plurality of coating rollers rotatably mounted on the frame. The plurality of coating rollers are arranged sequentially along the conveying direction of the whiteboard paper conveying assembly. Each coating roller has a second gap between itself and the corresponding conveying roller for the whiteboard paper to pass through.

8. The coating equipment for single-sided coating of white board paper as described in claim 7, characterized in that, The spacing between two adjacent coating rollers is equal.

9. The coating equipment for single-sided coating of white board paper as described in claim 1, characterized in that, The transmission assembly includes a first synchronous pulley connected to the first power roller, a second synchronous pulley connected to the second power roller, a third synchronous pulley connected to the roller brush of the roller brush assembly, a fourth synchronous pulley connected to the coating roller of the roller coating assembly, and a synchronous belt that drives the first synchronous pulley, the second synchronous pulley, the third synchronous pulley and the fourth synchronous pulley. The output shaft of the drive motor is connected to the second synchronous pulley.

10. A coating apparatus for single-sided coating of white cardboard paper as described in any one of claims 1 to 9, characterized in that, The coating rollers of the roll coating assembly are coated with a Teflon coating.

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