Thermal sensitive paper coating machine with cooling mechanism

Abstract

The utility model discloses a thermo-sensitive paper coating machine with a cooling mechanism, which comprises a coating machine body, the middle part of the coating machine body is rotatably connected with a cooling roller, and the cooling roller is used for rapidly reducing the temperature of a coating after coating; the cooling water tank is arranged on one side of the coating machine body, fins are arranged in the cooling water tank, a refrigeration part is installed at one end of each fin, and a water pump used for conveying cold water into the cooling roller is installed at the top of the cooling water tank. The double-layer cooling system disclosed by the utility model has the beneficial effects that the double-layer cooling system can be used for rapidly reducing the temperature of paper and improving the production efficiency; the cooling water forms closed circulation between the cooling roller and the cooling water tank, so that the water waste is reduced, and the cooling efficiency is improved; air in the air cooling assembly is filtered and dehumidified through the filter box before being blown to the thermo-sensitive paper, so that the cleanliness and dryness of the air are ensured; this helps to prevent adverse effects of moisture and impurities in the air on the thermo-sensitive paper.

Description

Technical Field

[0001] This utility model relates to the field of thermal paper processing technology, specifically a thermal paper coating machine with a cooling mechanism. Background Technology

[0002] Thermal paper is a special type of paper with a special heat-sensitive coating on its surface. When this coating is exposed to a certain temperature, a chemical reaction occurs, changing its color and forming text or images. Due to its unique properties, thermal paper has been widely used in many fields.

[0003] During the processing of thermal paper, thermal coating is evenly applied to the paper through coating, giving the paper thermal properties. However, existing coating machines cannot quickly reduce the temperature of the coating after coating, and cannot effectively help the coating cure on the paper surface, resulting in deformation or adhesion of the coating. Utility Model Content

[0004] The purpose of this invention is to provide a thermal paper coating machine with a cooling mechanism to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a thermal paper coating machine with a cooling mechanism, comprising:

[0006] The coating machine body has a cooling roller rotatably connected in the middle to quickly reduce the temperature of the coating after coating.

[0007] A cooling water tank is located on one side of the coating machine body. The interior of the cooling water tank is provided with fins, and a cooling unit is installed at one end of the fins. A water pump for conveying cold water into the cooling roller is installed on the top of the cooling water tank.

[0008] An air-cooled assembly is placed inside the cooling water tank. The air-cooled assembly includes a spiral tube placed inside the cooling water tank and an air outlet pipe for blowing air onto the coated material.

[0009] Preferably, the ends of the cooling rollers are equipped with rotary joints, and the output end of the water pump is connected to the rotary joints via water pipes.

[0010] Preferably, the cooling unit is a semiconductor refrigeration chip, with the cooling end of the semiconductor refrigeration chip fixedly connected to the fins, and the heating end of the semiconductor refrigeration chip equipped with a heat dissipation duct.

[0011] Preferably, the input end of the water pump is inserted into the cooling water tank through a water pipe, and the bottom of the cooling water tank is fixedly connected to an inlet pipe.

[0012] Preferably, the spiral tube is fixed inside the cooling water tank, the bottom of the cooling water tank is fixedly connected to an air supply pipe, a filter box is fixedly connected to the outside of the coating machine body, a fan is fixedly connected to the top of the filter box, the output end of the fan is fixedly connected to the air supply pipe, the input end of the fan is connected to the filter box, and a filter plate is installed on one side of the filter box.

[0013] Preferably, the top of the spiral tube is connected to the air outlet pipe via an air duct, and the air outlet pipe is fixed inside the coating machine body and located above the cooling roller.

[0014] Preferably, a bellows is provided on the outside of the air outlet pipe, and an air vent is provided at the bottom of the bellows.

[0015] Compared with existing technologies, the advantages of this invention are as follows: Direct contact between the cooling roller and cooling water rapidly absorbs and removes heat from the thermal paper after coating, effectively reducing the paper temperature; the cooling unit (semiconductor cooling chip) in the cooling water tank continuously cools the cooling water, ensuring stable and efficient cooling; in addition to direct cooling by the cooling roller, an air-cooling component is also provided, using cold air in a spiral tube to perform secondary cooling on the thermal paper; this dual-layer cooling system can reduce the paper temperature more quickly, improving production efficiency; the cooling water forms a closed loop between the cooling roller and the cooling water tank, reducing water waste and improving cooling efficiency; the air in the air-cooling component is filtered and dehumidified before being blown onto the thermal paper, ensuring air cleanliness and dryness; this helps prevent moisture and impurities in the air from adversely affecting the thermal paper. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure of this utility model;

[0017] Figure 2 This is a schematic diagram of the air outlet pipe of this utility model;

[0018] Figure 3 This is an enlarged structural schematic diagram of point A of this utility model;

[0019] Figure 4 This is a schematic diagram of the structure of the cooling roller of this utility model;

[0020] Figure 5 This is a schematic diagram of the structure of the spiral tube of this utility model;

[0021] Figure 6 This is a schematic diagram of the structure of the fin of this utility model.

[0022] In the diagram: 1. Coating machine body; 2. Cooling water tank; 3. Heat dissipation duct; 4. Fins; 5. Spiral tube; 6. Refrigeration section; 7. Cooling roller; 8. Rotary joint; 9. Water pump; 10. Filter box; 11. Filter plate; 12. Fan; 13. Water inlet pipe; 14. Air delivery pipe; 15. Air box; 16. Air outlet pipe. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] Please see Figure 1 , 2 As shown in Figures 3, 4, 5, and 6, this utility model provides a technical solution: a thermal paper coating machine with a cooling mechanism, comprising: a coating machine body 1 including a paint supply assembly and a roller coating system; the paint supply assembly including a paint tank, a feed roller, and a doctor blade; wherein the paint tank is used to hold the paint to be coated; the feed roller uniformly transfers the paint from the paint tank to the coating roller, controlling the paint flow rate and coating amount; the doctor blade is used to adjust the removal of excess paint from the surface of the feed roller, ensuring the amount of paint transferred to the coating roller and the uniformity of coating; the roller coating system includes a coating roller and a transfer roller, through which the paint is coated onto the surface of the substrate. The function of the transfer roller is to ensure that the coating is evenly applied to the surface of the substrate, and to avoid coating sloshing by matching the speed of the roller. A cooling roller 7 is rotatably connected to the middle of the coating machine body 1 to quickly reduce the temperature of the coating after coating. The cooling water tank 2 is fixed to one side of the coating machine body 1. The interior of the cooling water tank 2 is provided with fins 4. A cooling unit 6 is installed at one end of the fins 4. A water pump 9 is installed on the top of the cooling water tank 2 to deliver cold water to the interior of the cooling roller 7. The air cooling component is placed inside the cooling water tank 2. The air cooling component includes a spiral tube 5 placed inside the cooling water tank 2 and an air outlet pipe 16 for blowing air to the coated material.

[0025] It should be noted that after the thermal paper is coated, the coated thermal paper is conveyed forward from the top of the cooling roller 7 to the next drying process. During this process, cold water is repeatedly injected into the cooling roller 7 to cool it down and the thermal paper is cooled down. The cooling section 6 inside the cooling water tank 2 cools the water inside the cooling water tank 2 and then inputs it into the cooling roller 7. After being filtered, the water enters the spiral tube 5 inside the cooling water tank 2. Since the spiral tube 5 is a copper tube, the water inside the cooling water tank 2 cools the air inside the spiral tube 5. The cooled air is then delivered to the air outlet pipe 16 through the air supply pipe 14 and blown onto the thermal paper below through the air outlet pipe 16, thus achieving double-layer cooling.

[0026] Please see Figure 1 , 4 As shown, a rotary joint 8 is installed at each end of the cooling roller 7. The output end of the water pump 9 is connected to the rotary joint 8 through a water pipe. The input end of the water pump 9 is inserted into the cooling water tank 2 through a water pipe. A water inlet pipe 13 is fixedly connected to the bottom of the cooling water tank 2. The water inlet pipe 13 is connected to the rotary joint 8 of the other end of the cooling roller 7 through a water pipe from the bottom of the coating machine body 1.

[0027] It should be noted that one end of the cooling roller 7 of this utility model is equipped with a drive motor and a gear set to drive the cooling roller 7 to rotate. After the water pump 9 is connected to the rotary joint 8 through a water pipe, the water pump continuously delivers cooling water to the inside of the cooling roller 7 for cooling. The cooling water flows steadily into the inner cavity of the cooling roller from the water pump and cools the thermal paper through the cooling roller. The cooling roller quickly absorbs heat from the thermal paper by contacting the cooling water, thereby reducing the temperature of the coated paper. The cooled water will flow back to the cooling water tank 2 through the water inlet pipe 13, and after cooling, it will enter the cooling roller 7 again. Through the closed circulation system, it helps to improve the cooling efficiency and avoid the waste of cooling water.

[0028] Please see Figure 1 , 2 As shown in Figures 5 and 6, the cooling section 6 is a semiconductor refrigeration chip. The cooling end of the semiconductor refrigeration chip is fixedly connected to the fins 4, and the heating end of the semiconductor refrigeration chip is equipped with a heat dissipation duct 3.

[0029] It should be noted that the cooling end of this utility model is connected to the fins 4, which can conduct the absorbed heat to the fins. The fins increase the contact area with the cooling water, thereby effectively reducing the water temperature in the cooling water tank 2. The heating end is equipped with a heat dissipation duct 3, which is used to effectively dissipate the excess heat generated by the semiconductor cooling chip during operation. The heating end of the cooling chip releases heat, so it needs to be cooled by the heat dissipation duct 3. The heat dissipation duct 3 is connected to an external air-cooling system, which can remove the heat generated by the heating end through a fan or natural ventilation, so as to prevent the cooling chip from overheating and affecting its working efficiency.

[0030] Please see Figure 1 , 3 As shown, the spiral tube 5 is fixed inside the cooling water tank 2. The bottom of the cooling water tank 2 is fixedly connected to the air supply pipe 14. The outer side of the coating machine body 1 is fixedly connected to the filter box 10. The top of the filter box 10 is fixedly connected to the fan 12. The output end of the fan 12 is fixedly connected to the air supply pipe 14. The input end of the fan 12 is connected to the filter box 10. A filter plate 11 is installed on one side of the filter box 10. The top of the spiral tube 5 is connected to the air outlet pipe 16 through the air duct. The air outlet pipe 16 is fixed inside the coating machine body 1 and located above the cooling roller 7. An air box 15 is provided on the outer side of the air outlet pipe 16. The bottom of the air box 15 is provided with a vent.

[0031] It should be noted that the filter box 10 of this utility model is equipped with a desiccant and a HEPA filter. The fan 12 draws air through the filter plate 11 and the filter box 10 into the air supply pipe 14. During this process, the filter box 10 filters and dehumidifies the air. The air passes through the air supply pipe 14 into the spiral tube 5. The spiral tube 5 is cooled by the water in the cooling water tank 2. The cooled air enters the air outlet pipe 16 through the branch pipe. The air outlet at the bottom of the air outlet pipe 16 corresponds to the air vent at the bottom of the air box 15, so that the air can be blown onto the thermal paper through the air vent.

[0032] In the description of this utility model, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "side", "top", "inner", "front", "center", "both ends", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0033] 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 technical features indicated. Thus, a feature defined as "first," "second," "third," or "fourth" may explicitly or implicitly include at least one of those features.

[0034] In this utility model, unless otherwise explicitly specified and limited, the terms "installation", "setting", "connection", "fixing", "screw connection", etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal connection of two components or the interaction between two components. Unless otherwise explicitly limited, those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0035] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A thermal paper coating machine with a cooling mechanism, characterized by: Including: The coating machine body (1), the middle part of the coating machine body (1) is rotatably connected with a cooling roller (7), which is used to quickly reduce the temperature of the coating after coating; Cooling water tank (2), cooling water tank (2) is placed in one side of the coating machine body (1), the inside of the cooling water tank (2) is provided with fin (4), one end of the fin (4) is provided with refrigeration part (6), the top of the cooling water tank (2) is provided with water pump (9) for conveying cold water to the inside of the cooling roller (7); Air cooling assembly, air cooling assembly is placed in the inside of the cooling water tank (2), the air cooling assembly includes spiral pipe (5) placed in the inside of the cooling water tank (2) and air outlet pipe (16) for blowing the material after coating.

2. The thermal paper coating machine with cooling mechanism according to claim 1, characterized in that: The end of the cooling roller (7) is provided with a rotary joint (8), and the output end of the water pump (9) is connected with the rotary joint (8) through a water pipe.

3. The thermal paper coating machine with cooling mechanism according to claim 1, characterized in that: The refrigeration part (6) is a semiconductor refrigeration sheet, the refrigeration end of the semiconductor refrigeration sheet is fixedly connected with the fin (4), and the heating end of the semiconductor refrigeration sheet is provided with a heat dissipation air duct (3).

4. The thermal paper coating machine with cooling mechanism according to claim 1, characterized in that: The input end of the water pump (9) is inserted into the inside of the cooling water tank (2) through a water pipe, and the bottom of the cooling water tank (2) is fixedly connected with a water inlet pipe (13).

5. The thermal paper coating machine with cooling mechanism according to claim 1, characterized in that: The spiral pipe (5) is fixedly connected in the inside of the cooling water tank (2), the bottom of the cooling water tank (2) is fixedly connected with a gas conveying pipe (14), the outside of the coating machine body (1) is fixedly connected with a filter box (10), the top of the filter box (10) is fixedly connected with a fan (12), the output end of the fan (12) is fixedly connected with the gas conveying pipe (14), the input end of the fan (12) is communicated with the filter box (10), one side of the filter box (10) is provided with a filter plate (11).

6. The thermal paper coating machine with cooling mechanism according to claim 1, characterized in that: The top of the spiral pipe (5) is connected with the air outlet pipe (16) through an air pipe, and the air outlet pipe (16) is fixedly connected in the inside of the coating machine body (1) and located above the cooling roller (7).

7. The thermal paper coating machine with cooling mechanism according to claim 6, characterized in that: The outside of the air outlet pipe (16) is provided with a wind box (15), and the bottom of the wind box (15) is provided with a breathable port.

Images