Cooling device at uv position of label printing machine

Abstract

The utility model discloses a cooling device at the uv position of a label printing machine, and relates to the technical field of cooling of label printing machines, the cooling device comprises a guide roller installed at the uv position, vertical plates used for installing the guide roller are arranged on the two sides of the guide roller, and auxiliary rollers used for assisting printing materials in moving are arranged on the inner sides, located on the outer side of the guide roller, of the vertical plates. And a cooling structure used for cooling the printing material is mounted on one side, located on the inner side of the vertical plate, of the guide roller. According to the utility model, the cooling structure is arranged, and the cooling structure is arranged at the UV part, so that the temperature of the UV part can be reduced, the temperature of a material is reduced when the material passes through the UV part, and the effect of protecting the material is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of cooling of label printing machines, in particular to a cooling device at a UV position of a label printing machine. Background Art

[0002] The temperature of the UV area of ​​the label printing machine will accumulate and reach about 80°. At this time, when the printed material passes through the UV area, the material will be deformed due to the high temperature of the UV area, causing the label printing machine to malfunction.

[0003] Therefore, we install a cooling device at the UV area, which can reduce the temperature of the UV area, so that the temperature of the material passing through the UV area is around 40° or even lower, which can effectively protect the material. Utility Model Content

[0004] Based on this, the purpose of the present invention is to provide a cooling device at the UV position of a label printing machine to solve the technical problems mentioned in the above background.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solution: a cooling device at the UV of a label printing machine, comprising a guide roller installed at the UV, vertical plates for installing the guide rollers are provided on both sides of the guide roller, and auxiliary rollers for assisting the movement of printed materials are provided on the inner side of the vertical plates and the outer side of the guide rollers, and a cooling structure for cooling the printed materials is installed on one side of the guide roller located on the inner side of the vertical plates.

[0006] By adopting the above technical solution and installing a cooling structure at the UV area, the temperature at the UV area can be reduced, so that the temperature of the material is reduced when passing through the UV area, thereby protecting the material.

[0007] The utility model is further configured such that the cooling structure includes an installation box installed on the inner side of the vertical plate, and a bellows is installed on the outer wall of the installation box, fan blades are installed inside the bellows, and the ends of the fan blades are connected to a drive motor for driving the fan blades to operate.

[0008] By adopting the above technical solution, the fan blades can be driven.

[0009] The utility model is further configured such that an end portion of the bellows is connected to an air pipe, and the end portion of the air pipe extends into an installation box, a water tank is installed inside the installation box, and a water cavity filled with a cold water source is opened inside the water tank, and the air pipe extends into the water cavity, and the end portion of the air pipe is connected to a heat dissipation pipe, and the heat dissipation pipe is formed by splicing multiple groups of U-shaped pipes.

[0010] By adopting the above technical solution, the gas can be cooled down.

[0011] The utility model is further configured such that the other end of the heat dissipation pipe is connected to an air outlet pipe, and the end of the air outlet pipe is connected to an air supply pipe installed on the outer wall of the installation box. The outer wall of the air supply pipe is connected to multiple groups of connecting pipes, and a cooling nozzle is installed at the end of each group of connecting pipes.

[0012] By adopting the above technical solution, the surface of the printed material can be cooled down.

[0013] The present invention is further configured such that one end of the air supply pipe is connected to an air outlet branch pipe extending to the outside of the vertical plate, and an air collecting part is provided at the end of the air outlet branch pipe, and the outer wall of the air collecting part is connected to a cooling pipe extending to the inside of the guide roller, and the cooling pipe passes through the inside of the guide roller and extends out from the other end of the guide roller, the cooling pipe is slidingly connected to the inner wall of the guide roller, and an air outlet is provided on the outer wall of the cooling pipe located in the inner part of the guide roller, and an exhaust valve is also provided in the inner wall of the guide roller.

[0014] By adopting the above technical solution, the temperature inside the guide roller is reduced.

[0015] In summary, the present invention has the following beneficial effects:

[0016] 1. The utility model sets a cooling structure. First, the driving motor is started, and the driving motor drives the fan blades to rotate. After the fan blades rotate, air is sucked into the bellows from the outside. Then the gas enters the heat dissipation pipe in the water tank through the air pipe. Since the water tank is filled with cooling water, the gas in the heat dissipation pipe will achieve a cooling effect under the action of the water. Finally, the gas will flow out to the air supply pipe through the air outlet pipe. At this time, the cooling nozzle installed on the outside of the air supply pipe will suck the cooled gas from the air supply pipe and then spray it onto the surface of the printed material passing through the UV area, thereby achieving a cooling effect on the printed material to prevent it from deformation.

[0017] 2. The utility model sets an air outlet branch pipe. After the cooled gas gathers in the air supply pipe, part of the gas will flow out to the air collecting part through the air outlet branch pipe at the end of the air supply pipe, and the gas in the air collecting part will flow into the inside of the guide roller through the cooling pipe, thereby achieving a cooling effect on the guide roller, which also reduces the heat transferred to the printing material when passing through the guide roller, further improving the cooling effect of the printing material. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the bellows structure of the utility model;

[0020] Figure 3This is a schematic diagram of the internal structure of the water tank of the utility model;

[0021] Figure 4 This is a schematic diagram of the installation of the cooling nozzle of the utility model;

[0022] Figure 5 This is a schematic diagram of the cooling pipe installation structure of the utility model.

[0023] In the figure: 1. Guide roller; 2. Vertical plate; 3. Auxiliary roller; 4. Mounting box; 5. Bellows; 6. Fan blades; 7. Air pipe; 8. Water tank; 9. Water cavity; 10. Heat dissipation pipe; 11. Air outlet pipe; 12. Air supply pipe; 13. Connecting pipe; 14. Cooling nozzle; 15. Air outlet branch pipe; 16. Air collecting part; 17. Cooling pipe. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. The embodiments described below with reference to the drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0025] The following describes an embodiment of the present invention based on its overall structure.

[0026] Cooling device at UV of label printing machine, such as Figure 1-5 As shown, it includes a guide roller 1 installed at uv, and vertical plates 2 for installing the guide roller 1 are provided on both sides of the guide roller 1, and an auxiliary roller 3 for assisting the movement of the printing material is provided on the inner side of the vertical plates 2 and on the outer side of the guide roller 1. A cooling structure for cooling the printing material is installed on one side of the guide roller 1 and on the inner side of the vertical plates 2;

[0027] Furthermore, the cooling structure in this embodiment includes an installation box 4 installed on the inner side of the vertical plate 2, and a bellows 5 is installed on the outer wall of the installation box 4, a fan blade 6 is installed inside the bellows 5, and the end of the fan blade 6 is connected to a drive motor for driving the fan blade 6 to operate, the end of the bellows 5 is connected to an air pipe 7, and the end of the air pipe 7 extends into the installation box 4.

[0028] See also Figure 3 A water tank 8 is installed inside the installation box 4, and a water cavity 9 filled with cold water is opened inside the water tank 8, and the air pipe 7 extends into the water cavity 9. The end of the air pipe 7 is connected to the heat dissipation pipe 10, and the heat dissipation pipe 10 is spliced ​​with multiple groups of U-shaped pipes to achieve cooling of the gas, thereby improving the cooling effect of the gas.

[0029] See also Figure 4The other end of the heat dissipation pipe 10 is connected to the air outlet pipe 11, and the end of the air outlet pipe 11 is connected to the air supply pipe 12 installed on the outer wall of the installation box 4. The outer wall of the air supply pipe 12 is connected to multiple groups of connecting pipes 13, and the end of each group of connecting pipes 13 is installed with a cooling nozzle 14 to achieve a cooling effect on the surface of the printed material.

[0030] See also Figure 5 One end of the air supply pipe 12 is connected to an air outlet branch pipe 15 extending to the outside of the vertical plate 2, and an air collecting part 16 is provided at the end of the air outlet branch pipe 15. The outer wall of the air collecting part 16 is connected to a cooling pipe 17 extending to the inside of the guide roller 1, and the cooling pipe 17 passes through the inside of the guide roller 1 and extends from the other end of the guide roller 1. The cooling pipe 17 is slidably connected to the inner wall of the guide roller 1, and an air outlet is provided on the outer wall of the cooling pipe 17 located in the inner part of the guide roller 1, and an exhaust valve is also provided in the inner wall of the guide roller 1 to achieve the cooling effect on the guide roller 1.

[0031] The working principle of the present invention is as follows: first, the driving motor is started, and the driving motor drives the fan blades 6 to rotate. After the fan blades 6 rotate, air is sucked into the bellows 5 from the outside, and then the gas enters the heat dissipation pipe 10 in the water tank 8 through the air pipe 7. Since the water tank 8 is filled with cooling water, the gas in the heat dissipation pipe 10 will achieve a cooling effect under the action of the water, and finally the gas will flow out to the air supply pipe 12 through the air outlet pipe 11. At this time, the cooling nozzle 14 installed on the outside of the air supply pipe 12 will suck the cooled gas from the air supply pipe 12, and then spray it onto the surface of the printed material passing through the UV area, thereby achieving a cooling effect on the printed material to prevent it from deformation.

[0032] Furthermore, after the cooled gas converges into the air supply pipe 12, part of the gas will flow out to the air collecting section 16 through the air outlet branch pipe 15 at the end of the air supply pipe 12, and the gas in the air collecting section 16 will flow into the inside of the guide roller 1 through the cooling pipe 17, thereby achieving a cooling effect on the guide roller 1, and reducing the heat transferred to the printing material when passing through the guide roller 1, further improving the cooling effect on the printing material.

[0033] Although embodiments of the present invention have been shown and described, these specific embodiments are merely explanations of the present invention and are not limitations on the present invention. The specific features, structures, materials, or characteristics described may be combined in a suitable manner in any one or more embodiments or examples. After reading this specification, those skilled in the art may make modifications, substitutions, and variations to the embodiments as needed without departing from the principles and purpose of the present invention, but as long as they are within the scope of the claims of the present invention, they are protected by patent law.

Claims

1. A cooling device at UV of a label printing machine, comprising a guide roller (1) installed at UV, characterized in that: Both sides of the guide roller (1) are provided with vertical plates (2) for mounting the guide roller (1), and an auxiliary roller (3) for assisting the movement of printed materials is provided on the inner side of the vertical plates (2) and the outer side of the guide roller (1), and a cooling structure for cooling the printed materials is provided on one side of the guide roller (1) and the inner side of the vertical plates (2).

2. The cooling device at UV of the label printing machine according to claim 1, characterized in that: The cooling structure comprises an installation box (4) installed on the inner side of the vertical plate (2), and a wind box (5) is installed on the outer wall of the installation box (4). A fan blade (6) is installed inside the wind box (5), and the end of the fan blade (6) is connected to a drive motor for driving the fan blade (6) to operate.

3. The cooling device at UV of the label printing machine according to claim 2, characterized in that: The end of the bellows (5) is connected to an air pipe (7), and the end of the air pipe (7) extends into the installation box (4).

4. The cooling device at UV of the label printing machine according to claim 3, characterized in that: A water tank (8) is installed inside the installation box (4), and a water cavity (9) filled with a cold water source is provided inside the water tank (8), and the air pipe (7) extends into the water cavity (9).

5. The cooling device at UV of the label printing machine according to claim 4, characterized in that: The end of the air pipe (7) is connected to a heat dissipation pipe (10), and the heat dissipation pipe (10) is formed by splicing together multiple groups of U-shaped pipes.

6. The cooling device at UV of the label printing machine according to claim 5, characterized in that: The other end of the heat dissipation pipe (10) is connected to an air outlet pipe (11), and the end of the air outlet pipe (11) is connected to an air supply pipe (12) installed on the outer wall of the installation box (4).

7. The cooling device at UV of the label printing machine according to claim 6, characterized in that: The outer wall of the air supply pipe (12) is connected to a plurality of connecting pipes (13), and a cooling nozzle (14) is installed at the end of each connecting pipe (13).

8. The cooling device at UV of the label printing machine according to claim 6, characterized in that: One end of the air supply pipe (12) is connected to an air outlet branch pipe (15) extending to the outside of the vertical plate (2), and an air collecting portion (16) is provided at the end of the air outlet branch pipe (15). The outer wall of the air collecting portion (16) is connected to a cooling pipe (17) extending to the inside of the guide roller (1), and the cooling pipe (17) passes through the inside of the guide roller (1) and extends out from the other end of the guide roller (1).

9. The cooling device at UV of the label printing machine according to claim 8, characterized in that: The cooling pipe (17) is slidably connected to the inner wall of the guide roller (1), and an air outlet is provided on the outer wall of the cooling pipe (17) located inside the guide roller (1), and an exhaust valve is also provided in the inner wall of the guide roller (1).

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