Photolysis-resistant long-life thermo-sensitive paper coating device

Abstract

The utility model discloses a photolysis-resistant long-life thermo-sensitive paper coating device which comprises a placing base, the top of the placing base is fixedly connected with a coating cover, the two sides of the coating cover are respectively provided with an inlet and an outlet, and a liquid coating mechanism is arranged in the coating cover; the liquid coating mechanism comprises a liquid storage box connected to one side of the coating cover in a penetrating mode, the top of the liquid storage box is rotationally connected with a liquid coating roller, the bottom of the liquid coating roller is located in the liquid storage box, and a motor is fixedly connected to the liquid storage box. According to the photolysis-resistant long-service-life thermal sensitive paper coating device, the bottom of raw paper can be coated with a layer of coating liquid through the arranged liquid coating mechanism, so that the light resistance and the heat resistance of the raw paper are obviously improved, the protection effect is effectively improved, the service life is prolonged, meanwhile, the raw paper can abut against the liquid coating roller through the abutting roller, uniform liquid coating on the raw paper is facilitated, and the production efficiency is improved. And the coating liquid is distributed more uniformly.

Description

Technical Field

[0001] The utility model relates to the technical field of thermal paper coating, in particular to a photolysis-resistant and long-life thermal paper coating device. Background Art

[0002] Thermal paper refers to information recording paper coated with color-producing materials that develop color by themselves when stimulated by heat signals. Thermal paper has been rapidly developed with the popularization of fax machines around the world. With the development of electronic communications, thermal paper is not only popular in individual households in the form of fax paper, but also appears in various fields such as commerce, supermarkets, banks, hospitals, airports, etc. Its uses are becoming more and more extensive, with more and more varieties and a wider range of applications.

[0003] The publication number CN 216936626 U discloses a coating device for thermal paper, including a bottom support plate. The practical new type is provided with a material control mechanism on the top of the coating box, and an auxiliary roller inside the coating box. The first motor of the material control mechanism drives the rotating shaft and the gear column to rotate, driving the gear and the threaded column to rotate. The threaded column cooperates with the threaded hole on the upper surface of the coating box to make the lifting scraper at the bottom end of the threaded column move up and down, thereby controlling the thickness of the coating layer on the thermal paper. A drying box is provided on the upper surface of the bottom support plate at a position on one side of the coating box, a cold drying device is provided on the top of the drying box, and a cold drying diverter is provided at the bottom of the cold drying device. The drying process required after the thermal coating is sprayed can be realized, avoiding the discoloration of the thermal coating due to heating and drying, resulting in the failure of the finished product processing.

[0004] However, the coating device has the following shortcomings: the device can conveniently spray thermal paper when in use, but often because there is a coating on the top of the processed thermal paper and the bottom is the original paper layer, if the storage method is improper, the photosensitive paper is prone to photolysis, which shortens its service life.

[0005] Therefore, the utility model provides a photolysis-resistant and long-life thermal paper coating device to solve the above problems. Utility Model Content

[0006] In view of the deficiencies in the prior art, the utility model provides a photolysis-resistant and long-life thermal paper coating device, which solves the above-mentioned problems.

[0007] To achieve the above purpose, the utility model is implemented by the following technical scheme: a photolysis-resistant long-life thermal paper coating device, comprising a placement base, a coating cover is fixedly connected to the top of the placement base, inlets and outlets are opened on both sides of the coating cover, and a coating liquid mechanism is arranged in the coating cover;

[0008] The coating liquid mechanism includes a liquid storage tank connected through the side of the coating cover. A coating roller is rotatably connected to the top of the liquid storage tank. The bottom of the coating roller is located inside the liquid storage tank. A motor is fixedly connected to the liquid storage tank. The output shaft of the motor is connected to one end of the coating roller. A double-layer scraper is fixedly connected to the liquid storage tank. A mounting box is fixedly connected to the inner wall of the top of the coating cover. Two telescopic cylinders are slidably inserted through the bottom of the mounting box. The bottom ends of the two telescopic cylinders are fixedly connected with a U-shaped bracket. A pressing roller is rotatably connected inside the U-shaped bracket. The outer wall of the pressing roller is in contact with the liquid storage tank.

[0009] Preferably, two anti-deviation rods are fixedly connected to the inner wall of the top of the mounting box. The bottom ends of the two anti-deviation rods respectively slide and extend into the corresponding telescopic cylinders. A first spring is slidably sleeved on the anti-deviation rod. The top end of the first spring is connected to the mounting box. The bottom end of the first spring is connected to the telescopic cylinder. A baffle is fixedly connected to the bottom end of the anti-deviation rod. A second spring is fixedly connected to the bottom end of the baffle. The bottom end of the second spring is connected to the telescopic cylinder. By using the anti-deviation rods, the first spring, the baffle and the second spring in combination, a downward force can be applied to the pressing roller, which is convenient for it to press tightly on the coating roller and at the same time prevent it from shifting.

[0010] Preferably, a material storage tank is fixedly connected to the top of the coating cover. A feeding hopper is connected through the top of the material storage tank. An observation window is arranged on one side of the material storage tank. By using the material storage tank, the feeding hopper and the observation window in combination, it is convenient to store the spraying material and convenient for coating use.

[0011] Preferably, a guide pipe is fixedly connected inside the coating cover. A plurality of spraying nozzles are connected through the bottom of the guide pipe. One end of the guide pipe is fixedly connected with a feed pipe. One end of the feed pipe extends outside the coating cover. A spraying pump is fixedly connected to the top of the coating cover. The feeding end of the spraying pump extends into the material storage tank. The discharging end of the spraying pump is fixedly connected with a connecting pipe. The bottom end of the connecting pipe extends into the feed pipe. By using the guide pipe, the spraying nozzles, the feed pipe, the spraying pump and the connecting pipe in combination, it is convenient to uniformly spray the base paper.

[0012] Preferably, an air guide pipe is fixedly connected to the inner wall of the top of the coating cover. A plurality of short pipes are connected through the bottom of the air guide pipe. The bottom end of the short pipe is fixedly connected with a long pipe. A plurality of air spraying pipes are connected through the bottom of the long pipe. By using the air guide pipe, the short pipes, the long pipe and the air spraying pipes in combination, the air spraying range can be increased and the drying efficiency can be accelerated.

[0013] Preferably, a cold dryer is fixedly connected to the top of the coating hood, an air outlet of the cold dryer is fixedly connected to an air supply pipe, and the bottom end of the air supply pipe extends into the air guide pipe. The cold dryer and the air supply pipe are used in combination to facilitate the delivery of cold air into the air guide pipe.

[0014] Preferably, a plurality of traction rollers are rotatably connected inside the coating hood, four side panels are fixedly connected to the top of the placement base, and two feed rollers are rotatably connected between each two adjacent side panels. The traction rollers, side panels and feed rollers are used in combination to facilitate the movement and transportation of thermal paper, making it easier to spray it.

[0015] Beneficial Effects

[0016] The utility model provides a photolysis-resistant and long-life thermal paper coating device. Compared with the prior art, it has the following beneficial effects:

[0017] (1) The device for coating light-resistant long-life thermal paper can coat a layer of coating liquid on the bottom of the base paper through the coating mechanism, thereby significantly improving its light and heat resistance, effectively improving the protection effect, and extending its service life. At the same time, the base paper can be pressed against the coating roller through the pressing roller, which facilitates uniform coating of the base paper and makes the coating liquid more evenly distributed.

[0018] (2) The device for coating thermal paper with long life and resistant to light degradation can deliver airflow into the air guide pipe through the cold dryer, and then dry the spray layer of the thermal paper through a plurality of evenly distributed air jet pipes, thereby achieving better drying efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a three-dimensional diagram of the external structure of the utility model;

[0020] Figure 2 It is a schematic diagram of the internal structure of the coating cover of the utility model;

[0021] Figure 3 It is a schematic diagram of the relevant structure of the telescopic cylinder in the utility model;

[0022] Figure 4 It is the relevant assembly drawing of the spray pipe in the utility model;

[0023] Figure 5 It is the relevant assembly drawing of the liquid storage tank in the utility model;

[0024] Figure 6 It is a schematic diagram of the distribution structure of the air jet pipe in the utility model.

[0025] In the figure: 1. Placing base; 2. Coating cover; 3. Inlet and outlet; 4. Liquid storage tank; 5. Coating roller; 6. Motor; 7. Double-layer scraper; 8. Installation box; 9. Telescopic cylinder; 10. C-shaped bracket; 11. Tightening roller; 12. Anti-deviation rod; 13. First spring; 14. Baffle; 15. Second spring; 16. Material storage box; 17. Feeding hopper; 18. Observation window; 19. Guide pipe; 20. Spraying head; 21. Feed pipe; 22. Spraying pump; 23. Connecting pipe; 24. Air guide pipe; 25. Short pipe; 26. Long pipe; 27. Air spraying pipe; 28. Cold dryer; 29. Air supply pipe; 30. Traction roller; 31. Side plate; 32. Material conveying roller. Detailed implementation mode

[0026] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0027] Embodiment 1:

[0028] Please refer to Figures 1 to 5 , a light-resistant and long-life thermal paper coating device, including a placing base 1, a coating cover 2 is fixedly connected to the top of the placing base 1, inlets and outlets 3 are opened on both sides of the coating cover 2, and a coating liquid mechanism is arranged inside the coating cover 2;

[0029] The coating liquid mechanism includes a liquid storage tank 4 penetrating and connected to one side of the coating cover 2, a coating roller 5 is rotatably connected to the top of the liquid storage tank 4, the bottom of the coating roller 5 is located inside the liquid storage tank 4, a motor 6 is fixedly connected to the liquid storage tank 4, the output shaft of the motor 6 is connected to one end of the coating roller 5, a double-layer scraper 7 is fixedly connected to the liquid storage tank 4, an installation box 8 is fixedly connected to the inner wall of the top of the coating cover 2, two telescopic cylinders 9 are slidably inserted and connected to the bottom of the installation box 8, the bottom ends of the two telescopic cylinders 9 are fixedly connected with a C-shaped bracket 10, a tightening roller 11 is rotatably connected inside the C-shaped bracket 10, and the outer wall of the tightening roller 11 is in contact with the liquid storage tank 4; two anti-deviation rods 12 are fixedly connected to the inner wall of the top of the installation box 8, the bottom ends of the two anti-deviation rods 12 respectively slide and extend into the corresponding telescopic cylinders 9, a first spring 13 is slidably sleeved on the anti-deviation rod 12, the top end of the first spring 13 is connected to the installation box 8, the bottom end of the first spring 13 is connected to the telescopic cylinder 9, the bottom end of the anti-deviation rod 12 is fixedly connected with a baffle 14, the bottom end of the baffle 14 is fixedly connected with a second spring 15, and the bottom end of the second spring 15 is connected to the telescopic cylinder 9.

[0030] Embodiment 2:

[0031] Please refer to Figures 1 to 6 This embodiment provides a technical solution based on the first embodiment: a material storage box 16 is fixedly connected to the top of the coating hood 2, a feeding hopper 17 is connected through the top of the material storage box 16, and an observation window 18 is provided on one side of the material storage box 16; a material guide pipe 19 is fixedly connected inside the coating hood 2, a plurality of spray heads 20 are connected through the bottom of the material guide pipe 19, one end of the material guide pipe 19 is fixedly connected to a feed pipe 21, one end of the feed pipe 21 extends to the outside of the coating hood 2, a spray pump 22 is fixedly connected to the top of the coating hood 2, the feed end of the spray pump 22 extends into the material storage box 16, the discharge end of the spray pump 22 is fixedly connected to a connecting pipe 23, and the connecting pipe 2 3 extends into the feed pipe 21; an air duct 24 is fixedly connected to the inner wall of the top of the coating hood 2, a plurality of short tubes 25 are connected through the bottom of the air duct 24, a long tube 26 is fixedly connected to the bottom of the short tube 25, and a plurality of air injection tubes 27 are connected through the bottom of the long tube 26; a cold dryer 28 is fixedly connected to the top of the coating hood 2, an air supply pipe 29 is fixedly connected to the air outlet end of the cold dryer 28, and the bottom end of the air supply pipe 29 extends into the air duct 24; a plurality of traction rollers 30 are rotatably connected in the coating hood 2, four side plates 31 are fixedly connected to the top of the placement base 1, and two feed rollers 32 are rotatably connected between each two adjacent side plates 31.

[0032] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0033] Working principle: When in use, the operator inserts the base paper on the equipment in sequence and connects one end of the base paper to the winding device to pull the base paper to move. When the base paper moves inside the coating hood 2, the rotating coating roller 5 can stick the coating liquid stored in the liquid storage tank 4 to the bottom of the base paper. At the same time, the double-layer scraper 7 can scrape off the excess coating liquid on the surface of the coating roller 5. At the same time, the spray pump 22 is started, and the spray pump 22 transports the coating stored in the storage tank 16 to the guide pipe 19, and finally sprays it on the surface of the base paper through multiple spray heads 20. When the base paper moves to the bottom of the jet pipe 27, the cold air flow generated by the cold dryer 28 enters the air guide pipe 24 through the air supply pipe 29, and then the coating layer on the base paper is dried through multiple short pipes 25, long pipes 26 and jet pipes 27 to complete the coating work.

[0034] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0035] In the description of this article, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection, a mechanical connection, an electrical connection, a direct connection, or a connection through an intermediate medium, or the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in this utility model can be understood according to specific circumstances.

[0036] 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 photolysis-resistant long-life thermal paper coating device, comprising a placement base (1), characterized in that: The top of the placement base (1) is fixedly connected with a coating cover (2). Both sides of the coating cover (2) are provided with inlets and outlets (3). A coating liquid mechanism is arranged inside the coating cover (2). The coating liquid mechanism includes a liquid storage tank (4) penetrating and connected to one side of the coating cover (2). A coating roller (5) is rotatably connected to the top of the liquid storage tank (4). The bottom of the coating roller (5) is located inside the liquid storage tank (4). A motor (6) is fixedly connected to the liquid storage tank (4). The output shaft of the motor (6) is connected to one end of the coating roller (5). A double-layer scraper (7) is fixedly connected to the liquid storage tank (4). An installation box (8) is fixedly connected to the inner wall of the top of the coating cover (2). Two telescopic cylinders (9) are slidably inserted and connected to the bottom of the installation box (8). The bottom ends of the two telescopic cylinders (9) are both fixedly connected with a U-shaped bracket (10). A pressing roller (11) is rotatably connected inside the U-shaped bracket (10). The outer wall of the pressing roller (11) is in contact with the liquid storage tank (4).

2. The device for coating thermal paper with long life and resistant to light degradation according to claim 1, characterized in that: Two anti-deviation rods (12) are fixedly connected to the inner wall of the top of the installation box (8). The bottom ends of the two anti-deviation rods (12) respectively slide and extend into the corresponding telescopic cylinders (9). A first spring (13) is slidably sleeved on the anti-deviation rod (12). The top end of the first spring (13) is connected to the installation box (8). The bottom end of the first spring (13) is connected to the telescopic cylinder (9). A baffle (14) is fixedly connected to the bottom end of the anti-deviation rod (12). A second spring (15) is fixedly connected to the bottom end of the baffle (14). The bottom end of the second spring (15) is connected to the telescopic cylinder (9).

3. The device for coating thermal paper with long life and resistant to light degradation according to claim 1, characterized in that: A material storage box (16) is fixedly connected to the top of the coating cover (2). A feeding hopper (17) penetrates and is connected to the top of the material storage box (16). An observation window (18) is arranged on one side of the material storage box (16).

4. The device for coating thermal paper with long life and resistant to light degradation according to claim 3, characterized in that: A guide pipe (19) is fixedly connected inside the coating cover (2). A plurality of spray nozzles (20) penetrate and are connected to the bottom of the guide pipe (19). One end of the guide pipe (19) is fixedly connected with a feed pipe (21). One end of the feed pipe (21) extends outside the coating cover (2). A spraying pump (22) is fixedly connected to the top of the coating cover (2). The feeding end of the spraying pump (22) extends into the material storage box (16). The discharging end of the spraying pump (22) is fixedly connected with a connecting pipe (23). The bottom end of the connecting pipe (23) extends into the feed pipe (21).

5. The device for coating thermal paper with long life and resistant to light degradation according to claim 1, characterized in that: A guide air pipe (24) is fixedly connected to the inner wall of the top of the coating cover (2). A plurality of short pipes (25) penetrate and are connected to the bottom of the guide air pipe (24). The bottom end of the short pipe (25) is fixedly connected with a long pipe (26). A plurality of air spraying pipes (27) penetrate and are connected to the bottom of the long pipe (26).

6. The device for coating thermal paper with long life and resistant to light degradation according to claim 5, characterized in that: A cold dryer (28) is fixedly connected to the top of the coating cover (2). The air outlet end of the cold dryer (28) is fixedly connected with an air supply pipe (29). The bottom end of the air supply pipe (29) extends into the guide air pipe (24).

7. The device for coating thermal paper with long life and resistant to light degradation according to claim 1, characterized in that: A plurality of traction rollers (30) are rotatably connected inside the coating cover (2), four side panels (31) are fixedly connected to the top of the placement base (1), and two feed rollers (32) are rotatably connected between each two adjacent side panels (31).

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