CN220661964U - Cooling structure for printing roller cooling device - Google Patents

Abstract

The utility model relates to a cooling structure for a printing roller cooling device, which aims to solve the technical problem that the printing production is affected due to poor cooling effect on one side when a cooling roller does not rotate to the bottom and is in contact with cooling liquid.

Description

Cooling structure for printing roller cooling device

Technical Field

The utility model relates to the technical field of printing equipment, in particular to a cooling structure for a printing roller cooling device.

Background

The printer is a machine for printing characters and images, and the modern printer generally consists of mechanisms such as plate filling, inking, embossing, paper feeding and the like, and the working principle of the printer is as follows: firstly, making characters and images to be printed into printing plates, mounting the printing plates on a printer, then, manually or by the printer, coating ink on places where the characters and images are on the printing plates, and directly or indirectly transferring the printing plates onto paper or other printing stock, thereby copying printed matters which are the same as the printing plates, wherein the printer comprises a frame, and a large amount of heat is generated when a printing roller is used for a long time; the existing cooling roller device mainly comprises a cooling roller, a water inlet pipe, a water cavity and a water return groove, and is mainly used for cooling by updating through flowing of water, namely water-cooled cooling is achieved, however, the cooling roller device adopting water-cooled cooling is often gathered at the bottom of the cooling roller to cool the cooling roller under the action of gravity of water, the cooling roller rotates for a circle, complete circumferential cooling can be achieved on the cooling roller, one side of the cooling roller, which does not rotate to the bottom to contact cooling liquid, is poor in cooling effect, and printing production is affected.

In view of this, we propose a cooling structure for a printing roller cooling device.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art, adapt to the actual needs, and provide a cooling structure for a printing roller cooling device so as to solve the technical problems that the cooling effect of one side is poor and the printing production is influenced when the cooling roller does not rotate to the bottom to contact cooling liquid.

In order to achieve the purpose of the utility model, the technical scheme adopted by the utility model is as follows: the cooling structure for the printing roller cooling device comprises a roller body, wherein rotating mechanisms are arranged at two ends of the surface-smooth barrel-shaped roller body, a heat dissipation plate used for cooling the roller body is arranged inside the roller body, the heat dissipation plate is fixedly connected to the outer wall of an inner pipe used for heat dissipation, circulating liquid pipes are arranged at two ends of the inner pipe, and a pressure valve used for cooling liquid pressure is arranged at one end of each circulating liquid pipe.

Preferably, the rotating mechanism comprises an outer ring, the outer wall of the outer ring is fixedly connected with an inner cylinder, the inner wall of the outer ring is rotationally connected with a shaft bead, the shaft bead is rotationally connected with an inner ring, one side of the inner ring is fixedly connected with a heat dissipation plate, and the inner wall of the inner ring is fixedly connected with the outer wall of the inner tube.

Preferably, the inner tube is in a barrel-shaped structure with a smooth surface, liquid inlet holes are formed in two ends of the inner tube, a liquid flow cavity is formed in the inner tube, two ends of the inner wall of the inner tube are fixedly connected with circulating liquid tubes, and cooling channels in the inner tube are connected with an external fan pipeline.

Preferably, the liquid outlet end is fixed to the pressure valve, the pressure valve comprises a valve body, a valve plate is arranged in the valve body, one end of a spring used for extrusion is fixedly connected with the valve plate, the other end of the spring is fixedly connected with the inside of the valve body, and a sliding sleeve is arranged in the valve body.

Compared with the prior art, the utility model has the beneficial effects that:

the utility model improves the existing structure, the rotating mechanism is fixedly connected with the two ends of the roller body, the inner pipe is arranged in the rotating mechanism, the circulating liquid pipe is arranged in the inner pipe, the inner pipe is provided with the liquid inlet end cooling liquid which enters the liquid flowing cavity and is connected with the external equipment through the circulating liquid pipe, the cooling liquid is filled in the roller body in the cooling process, and the cooling liquid is connected with the external fan through the cooling plate in the inner pipe in the circulation process, so that the orderly cooling effect of the roller body is improved, and the printing production efficiency is improved.

Drawings

FIG. 1 is a schematic view of the overall structure of a roll body according to the present utility model;

FIG. 2 is a schematic view of a cross-sectional structure of a roll body according to the present utility model;

FIG. 3 is an exploded view of the pressure valve of the present utility model;

in the figure: 1. a roller body; 2. a rotation mechanism; 3. a heat dissipation plate; 4. an inner tube; 5. a circulating liquid pipe; 6. a pressure valve;

201. an outer ring; 202. an inner cylinder; 203. a shaft bead; 204. an inner ring;

401. a liquid inlet hole; 402. a liquid flow chamber;

601. a valve body; 602. a valve plate; 603. a spring; 604. and a sliding sleeve.

Detailed Description

The utility model is further illustrated by the following examples in conjunction with the accompanying drawings:

example 1: the cooling structure for the printing roll cooling device, see fig. 1 to 3, comprises a roll body 1 which is a smooth-surfaced barrel-shaped device. The two ends of the roller body 1 are provided with a rotating mechanism 2, so that the roller body can easily perform rotating motion. The inside heating panel 3 that has set up of roll body 1 is used for the cooling roll body. The heat radiation plate 3 is fixedly coupled to the outer wall of the inner tube 4 so as to realize a heat radiation function. The two ends of the inner tube 4 are provided with circulating liquid tubes 5 for circulating liquid. One end of the circulation liquid pipe 5 is provided with a pressure valve 6 for regulating the pressure of the cooling liquid. The roll body 1 is placed in the desired position and the surface thereof is ensured to be smooth and upward. The rotating mechanism 2 is started to enable the roller body 1 to rotate freely. The rotation speed is adjusted as needed. The heat radiating plate 3 is ensured to be in sufficient contact with the roller body 1 to achieve effective cooling of the roller body. A cooling liquid is introduced into the inner tube 4 and an unobstructed flow of liquid is ensured. The pressure valve 6 is adjusted to control the pressure of the cooling liquid in the circulation liquid pipe 5. The pressure value is adjusted as needed. The cooling liquid exchanges heat with the roller body 1 through the heat dissipation plate 3, so that the cooling effect of the roller body is realized.

Before operation, please ensure that the surface of the roller 1 is clean so as not to affect the heat dissipation effect. Before use, it should be checked whether the rotating mechanism 2 is flexible or not, so as to ensure smooth rotation of the roller body. It is ensured that the heat radiating plate 3 is firmly fixed to the outer wall of the inner tube 4 to avoid looseness and malfunction. Periodically checking whether the circulating liquid pipe 5 has water leakage or blockage, and timely maintaining and cleaning. The pressure valve 6 is adjusted to ensure that the pressure of the cooling liquid is within a suitable range, according to specific requirements.

Specifically, the rotation mechanism 2 is mainly composed of an outer ring 201, an inner cylinder 202, a shaft bead 203, an inner ring 204, and a heat radiation plate 3. The outer wall of the outer ring 201 is fixedly connected with the inner cylinder 202 to form an integral structure. The inner wall of outer race 201 is rotatably coupled to shaft ball 203, and shaft ball 203 is rotatably coupled to inner race 204. One side of the inner ring 204 is fixedly connected with the heat dissipation plate 3, and meanwhile, the inner wall of the inner ring 204 is fixedly connected with the outer wall of the inner pipe 4; the rotation mechanism 2 is mounted at a desired position, and the connection between the outer race 201 and the inner tube 202 is secured. Ensuring smooth rotation of outer race 201, the connection between beads 203 and inner race 204 should also be in good operation. The position of the heat dissipation plate 3 should be aligned with the side where the inner ring 204 is connected, ensuring a fixed connection therebetween. Ensuring the fixed connection between the outer wall of the inner tube 4 and the inner wall of the inner ring 204 to realize the circulation of the cooling liquid ensures the integrity and quality of the parts before the rotating mechanism 2 is installed and operated, and should be replaced in time if damaged or missing.

The fixed connection between the outer ring 201 and the inner cylinder 202 is ensured to be firm and reliable, and the failure or the fault of the mechanism is avoided. The connection state between the shaft ball 203 and the inner ring 204 is checked periodically, if an abnormality is found to be repaired or replaced in time. The heat dissipation plate 3 should be tightly and fixedly connected with the inner ring 204 to ensure the normal operation of the cooling function. The cooling liquid can realize the heat dissipation effect through the flow of the inner pipe 4, ensure the smoothness of the liquid and prevent the blockage or leakage phenomenon.

Further, the inner tube 4 is a smooth-surfaced barrel-shaped tube, and two ends of the tube are provided with liquid inlet holes 401 for injecting liquid. The inner tube 4 is provided inside with a liquid flow chamber 402 for accommodating and guiding the liquid flow. The two ends of the inner wall of the inner tube 4 are fixedly connected with a circulating liquid tube 5 so as to realize the circulating flow of liquid. The inner tube 4 furthermore has cooling channels which can be cooled by means of external fan tubes. The two ends of the inner tube 4 are respectively and fixedly connected with a circulating liquid tube 5. In the working scenario where cooling is required, an external fan duct is connected to the cooling channel of the inner tube 4 to ensure the cooling effect. Liquid is injected into the inner pipe 4 using the liquid inlet hole 401, and the liquid flows through the liquid flow chamber 402 and circulates under the guidance of the circulating liquid pipe 5.

Before the inner tube 4 is installed and used, the surface of the inner tube is ensured to be smooth and intact, and if the inner tube is damaged or defective, the inner tube should be replaced in time. Please ensure that the position of the liquid inlet 401 is correct, so that the liquid can be smoothly injected into the inner tube 4. The cooling channel is correctly connected with an external fan pipeline, so that the normal operation of the cooling effect is ensured. If the liquid needs to be replaced, the original liquid needs to be emptied and then injected. The connection state of the circulating liquid pipe 5 and the inner pipe 4 is checked regularly, and if abnormality is found, the abnormality should be repaired or replaced in time. For the liquid flow chamber 402, attention is paid to cleaning and maintenance to avoid accumulated impurities affecting flow performance.

Claims (4)

1. The cooling structure for the printing roller cooling device comprises: the roller body (1), its characterized in that, roller body (1) are equipped with rotary mechanism (2) for the surface smooth barreled shape both ends, roller body (1) inside is equipped with heating panel (3) that are used for cooling the roller body, heating panel (3) fixed connection is used for on the outer wall of radiating inner tube (4), inner tube (4) both ends are equipped with circulation liquid pipe (5), circulation liquid pipe (5) one end is equipped with pressure valve (6) that are used for cooling liquid pressure.

2. The cooling structure for the printing roller cooling device according to claim 1, wherein the rotating mechanism (2) comprises an outer ring (201), an outer wall of the outer ring (201) is fixedly connected with an inner cylinder (202), an inner wall of the outer ring (201) is rotatably connected with a shaft bead (203), the shaft bead (203) is rotatably connected with an inner ring (204), one side of the inner ring (204) is fixedly connected with a heat dissipation plate (3), and an inner wall of the inner ring (204) is fixedly connected with an outer wall of the inner tube (4).

3. The cooling structure for the printing roller cooling device according to claim 2, wherein the inner tube (4) is in a barrel shape with a smooth surface, liquid inlet holes (401) are formed in two ends of the inner tube (4), a liquid flow cavity (402) is formed in the inner tube (4), two ends of the inner wall of the inner tube (4) are fixedly connected with circulating liquid pipes (5), and cooling channels in the inner tube (4) are connected with an external fan pipeline.

4. A cooling structure for a printing roller cooling device according to claim 3, characterized in that the liquid outlet end is fixed by the pressure valve (6), the pressure valve (6) comprises a valve body (601), a valve plate (602) is arranged inside the valve body (601), the valve plate (602) is fixedly connected with one end of a spring (603) for extrusion, the other end of the spring (603) is fixedly connected inside the valve body (601), and a sliding sleeve (604) is arranged inside the valve body (601).