Cooling device for printing equipment

Abstract

The utility model discloses a cooling device for printing equipment, which comprises a printing equipment main body, a pipe body is movably inserted in a printing roller of the printing equipment main body, a U-shaped pipe is fixed on the inner wall of the pipe body, the pipe body movably penetrates through the side wall of the printing equipment main body, and a first cooling structure is arranged on one side of the printing equipment main body; the printing roller cooling device is reasonable in structure and novel in design, so that the pipe body is fixed and prevented from rotating along with the printing roller, a cold air pipe is arranged on the refrigeration equipment, a cold air box is connected to the cold air pipe, the cold air enters the cavities in the first cover plate and the second cover plate through an air inlet pipe, the first cover plate and the second cover plate are cooled, and the printing roller cooling effect is improved. And liquid falling on the printing roller can be discharged through an arranged discharging pipe, material stacking on the second cover plate is avoided, a connecting pipe and a U-shaped pipe are convenient to disassemble, and a pipe body is convenient to disassemble, replace and overhaul.

Description

TECHNICAL FIELD

[0001] The utility model relates to cooling device technical field, concretely for a cooling device for printing equipment. BACKGROUND

[0002] Printing is the technology that the original such as text, picture, photo, anti -fake etc. original is made into a plate, ink is applied, pressure is added and so on, makes the ink transfer to the paper, the material such as textile, plastic product, leather etc. surface, batch copy original content, printing is the process that the printing plate that is approved after audit is transferred to the printing material by printing machinery and special ink, the machine of printing text and image, modern printing machine is generally composed of plate mounting, ink application, impression, paper feeding mechanism, the printing roller of printing equipment is easy to rise in temperature when printing, needs to be cooled.

[0003] Chinese patent number CN218112031U provides a printing roller cooling device for printing equipment convenient to operate, its structure includes cooling device and heat dissipation fan device, by setting up cooling device, the heat of heat dissipation guide vane is taken away by the operation of the cooling device in the cooling device Small air compressor and refrigeration piece work will take away the heat of the left and right ends of the heat absorption block, so that the heat absorption block takes away the heat of the left and right ends of the printing roller for printing equipment, so that the cooling speed of the left and right ends of the printing roller for printing equipment is improved, the working efficiency of the printing roller for printing equipment is increased, the service life is increased, by setting up heat dissipation fan device, the motor in the heat dissipation fan device works will drive the powerful heat dissipation fan to move clockwise, so that the powerful heat dissipation fan carries out comprehensive heat dissipation to the printing roller for printing equipment, so that the cooling efficiency of the printing roller for printing equipment is increased, and the printing quality of the printing roller for printing equipment is improved, the printing efficiency is improved, and the benefit is increased.

[0004] However, the above-mentioned case although exports heat in printing roller both sides, utilizes the fan to the printing roller and carries out cooling, but utilizes the cooling mode of fan, and the trace of printing is easily blurred, thereby leading to poor printing quality, and the whole printing roller cannot be cooled well and continuously. Utility model content

[0005] In view of the deficiency of prior art, a kind of cooling device for printing equipment is disclosed, it includes printing equipment main body, the printing roller inside printing equipment main body is movably inserted with pipe body, U-shaped tube is fixed on the pipe body inner wall, the pipe body movably penetrates printing equipment main body side wall, first cooling structure is arranged on the side of printing equipment main body;

[0006] The first cooling structure comprises a pair of boxes mounted on the side walls of the printing device body, each of which is provided with a water inlet pipe and a water return pipe, the water inlet pipe and the water return pipe are connected with the refrigeration device respectively, a hose is mounted at the inner end of the water inlet pipe, a connecting pipe is mounted at the end of the hose away from the water inlet pipe, and the connecting pipe is tightly inserted into the opening at one end of the U-shaped pipe.

[0007] Preferably, a fixing structure is mounted at the inner end of the pipe body.

[0008] Preferably, the fixing structure comprises a fixing plate mounted on the upper wall of the pipe body, a sliding plate is slidingly inserted into the fixing plate, and locking bolts are spirally threaded through the side walls of the fixing plate.

[0009] Preferably, an external thread is arranged at the outer end of the U-shaped pipe, a nut is spirally mounted on the U-shaped pipe, and the connecting pipe is rotatably threaded through the nut.

[0010] Preferably, a second cooling structure is arranged on the upper end of the printing roller, the second cooling structure comprises a first cover plate arranged at the upper end of the printing roller, the first cover plate is hollow, the first cover plate is fixed to the inner wall of the printing device body, air inlet pipes and air outlet pipes are connected to the two ends of the first cover plate respectively, and the air inlet pipes and the air outlet pipes are respectively threaded through the side walls of the printing device body.

[0011] Preferably, a third cooling structure is arranged on the lower end of the printing roller, the third cooling structure comprises a second cover plate arranged at the lower end of the printing roller, the second cover plate is hollow, the second cover plate is fixed to the inner wall of the printing device body, air inlet pipes and air outlet pipes are connected to the two ends of the second cover plate respectively, and the air inlet pipes and the air outlet pipes are respectively threaded through the side walls of the printing device body.

[0012] Preferably, a plurality of discharge pipes are fixedly threaded through the second cover plate.

[0013] Preferably, the first cover plate and the second cover plate are both arc-shaped structures.

[0014] The utility model has the advantages of reasonable structure, novel design and the following beneficial effects: when in use, cooling water in the refrigeration equipment is injected into the U-shaped pipe through the water inlet pipe, the hose and the connecting pipe, cooling is carried out through the cooling water, the cooling water flows into the box through the other end of the U-shaped pipe, and then flows back to the refrigeration equipment through the backwater pipe on the box to carry out refrigeration; the sliding plate can slide in the fixed plate, and the sliding plate position is fixed through the locking bolt by abutting the sliding plate against the upper wall of the box, so that the pipe body is fixed to prevent the pipe body from rotating with the printing roller; the refrigeration equipment is provided with a cold air pipe, the cold air pipe is connected with a cold air tank, the cold air tank is provided with an air suction fan, the air inlet pipe is connected with the cold air tank, the cold air in the refrigeration equipment can be sucked into the cold air tank through the air suction fan, and the cavity in the first cover plate and the second cover plate is entered through the air inlet pipe to cool the first cover plate and the second cover plate, so that the surrounding air is cooled, the printing roller is cooled, the liquid falling from the printing roller can be discharged through the discharge pipe, the second cover plate is prevented from being stacked, and the connecting pipe and the U-shaped pipe are convenient to disassemble, convenient to replace and convenient to overhaul. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 It is a schematic front view of the utility model;

[0016] Fig. 2 It is a schematic side view of the printing roller in the utility model;

[0017] Fig. 3 It is a schematic plan view of the second cover plate in the utility model.

[0018] In the drawing: 1 - printing equipment main body, 2 - pipe body, 3 - U-shaped pipe, 4 - box, 5 - water inlet pipe, 6 - backwater pipe, 7 - hose, 8 - connecting pipe, 9 - fixed plate, 10 - sliding plate, 11 - locking bolt, 12 - nut, 13 - first cover plate, 14 - air inlet pipe, 15 - exhaust pipe, 16 - second cover plate, 17 - discharge pipe. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0020] Please refer to Figs. 1-3A cooling device for printing equipment includes a printing equipment body 1. A tube 2 is movably inserted into the printing roller of the printing equipment body 1. The tube 2 can be pulled out from the printing roller for easy replacement. A U-shaped tube 3 is fixed to the inner wall of the tube 2. Condensate is injected into the U-shaped tube 3 to cool the tube 2, thereby cooling the printing roller and achieving a cooling effect. The tube 2 movably penetrates the side wall of the printing equipment body 1. A first cooling structure is provided on one side of the printing equipment body 1.

[0021] The first cooling structure includes a pair of boxes 4 installed on the side wall of the main body 1 of the printing equipment. The side wall of the box 4 is provided with an inspection door. Each box 4 is provided with an inlet pipe 5 and a return pipe 6. The inlet pipe 5 and the return pipe 6 are respectively connected to the refrigeration equipment. The inlet pipe 5 is connected to the refrigeration equipment through a pump body. A hose 7 is installed at the inner end of the inlet pipe 5. A connecting pipe 8 is installed at the end of the hose 7 away from the inlet pipe 5. The connecting pipe 8 is tightly inserted into the opening at one end of the U-shaped pipe 3.

[0022] Cooling water from the refrigeration equipment is injected into the U-shaped pipe 3 through the inlet pipe 5, the hose 7 and the connecting pipe 8. The cooling water is then used for cooling. The cooling water flows into the box 4 through the other end of the U-shaped pipe 3 and returns to the refrigeration equipment through the return pipe 6 on the box 4 for further cooling.

[0023] The pipe body 2 is located inside the box body 4 and is equipped with a fixing structure. The fixing structure includes a fixing plate 9 installed on the upper wall of the pipe body 2. A sliding plate 10 is slidably inserted into the fixing plate 9. A locking bolt 11 is spirally inserted through the side wall of the fixing plate 9.

[0024] The slide plate 10 can slide inside the fixed plate 9. By pressing the slide plate 10 against the upper wall of the box 4 and fixing the position of the slide plate 10 with the locking bolt 11, the tube 2 is fixed and the tube 2 is prevented from rotating with the printing roller.

[0025] The outer end of the U-shaped tube 3 is provided with an external thread, and a nut 12 is screwed on the U-shaped tube 3. The connecting tube 8 rotates through the nut 12, which makes it easy to disassemble the connecting tube 8 from the U-shaped tube 3.

[0026] A second cooling structure is provided on the upper printing roller. The second cooling structure includes a first cover plate 13 located at the upper end of the printing roller. The first cover plate 13 is hollow inside. The first cover plate 13 is fixed to the inner wall of the printing equipment body 1. An air inlet pipe 14 and an exhaust pipe 15 are respectively connected to the two ends of the first cover plate 13. The air inlet pipe 14 and the exhaust pipe 15 respectively penetrate the side wall of the printing equipment body 1.

[0027] The third cooling structure is arranged on the lower end of the printing roller, and the third cooling structure comprises a second cover plate 16 arranged at the lower end of the printing roller. The second cover plate 16 is hollow inside, and is fixed to the inner wall of the printing device body 1. The two ends of the second cover plate 16 are respectively connected with an air inlet pipe 14 and an air outlet pipe 15, and the air inlet pipe 14 and the air outlet pipe 15 respectively penetrate through the side wall of the printing device body 1.

[0028] The refrigeration device is provided with a cold air pipe, and a cold air tank is connected to the cold air pipe. An air suction fan is arranged in the cold air tank. The air inlet pipe 14 is connected to the cold air tank. The air suction fan can suck the cold air in the refrigeration device into the cold air tank, and then the cold air enters the cavity in the first cover plate 13 and the second cover plate 16 through the air inlet pipe 14, so as to cool the first cover plate 13 and the second cover plate 16, thereby reducing the air around the first cover plate 13 and the second cover plate 16, and assisting in cooling the printing roller.

[0029] A plurality of discharge pipes 17 are fixedly arranged on the second cover plate 16. The discharge pipes 17 can discharge the liquid falling from the printing roller, so as to avoid material accumulation above the second cover plate 16.

[0030] The first cover plate 13 and the second cover plate 16 are both arc-shaped structures. The arc-shaped structures can effectively cover the surface of the printing roller, and improve the cooling effect.

[0031] In use, cooling water in the refrigeration device is injected into the U-shaped pipe 3 through the water inlet pipe 5, the hose 7 and the connecting pipe 8, and is cooled by the cooling water. The cooling water flows into the tank 4 through the other end of the U-shaped pipe 3, and flows back to the refrigeration device through the water return pipe 6 on the tank 4 to be refrigerated. The sliding plate 10 can slide in the fixed plate 9. The sliding plate 10 is fixed on the upper wall of the tank 4 by the locking bolt 11, so as to fix the pipe body 2, prevent the pipe body 2 from rotating with the printing roller, and assist in cooling the printing roller. The refrigeration device is provided with a cold air pipe, and a cold air tank is connected to the cold air pipe. An air suction fan is arranged in the cold air tank. The air inlet pipe 14 is connected to the cold air tank. The air suction fan can suck the cold air in the refrigeration device into the cold air tank, and then the cold air enters the cavity in the first cover plate 13 and the second cover plate 16 through the air inlet pipe 14, so as to cool the first cover plate 13 and the second cover plate 16, thereby reducing the air around the first cover plate 13 and the second cover plate 16, and assisting in cooling the printing roller. The discharge pipes 17 can discharge the liquid falling from the printing roller, so as to avoid material accumulation above the second cover plate 16. The connecting pipe 8 and the U-shaped pipe 3 are detachable, so as to facilitate dismounting, replacing and repairing the pipe body 2.

[0032] In the description of the present application, it should be noted that unless specifically defined and limited otherwise, the terms'mounting', 'connection', 'linking', 'communication' should be understood in a broad sense, for example, it can be fixed connection, or detachable connection, or integral connection; it can be mechanical connection, or electrical connection; it can be direct connection, or indirect connection through intermediate medium, or internal communication of two elements, or wireless connection, or wired connection. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0033] Although the embodiments of the present application have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A cooling device for printing equipment, characterized in that, It includes a printing equipment body (1), a tube (2) is movably inserted into the printing roller of the printing equipment body (1), a U-shaped tube (3) is fixed on the inner wall of the tube (2), the tube (2) movably penetrates the side wall of the printing equipment body (1), and a first cooling structure is provided on one side of the printing equipment body (1). The first cooling structure includes a pair of boxes (4) installed on the side wall of the main body (1) of the printing equipment. Each box (4) is provided with an inlet pipe (5) and a return pipe (6). The inlet pipe (5) and the return pipe (6) are respectively connected to the refrigeration equipment. A hose (7) is installed at the inner end of the inlet pipe (5) and a connecting pipe (8) is installed at the end of the hose (7) away from the inlet pipe (5). The connecting pipe (8) is tightly inserted into the opening at one end of the U-shaped pipe (3).

2. A cooling device for printing equipment according to claim 1, characterized in that, The tube (2) is fixed at the inner end of the box (4).

3. A cooling device for printing equipment according to claim 2, characterized in that, The fixing structure includes a fixing plate (9) installed on the upper wall of the tube body (2), a sliding plate (10) is slidably inserted into the fixing plate (9), and a locking bolt (11) is spirally inserted through the side wall of the fixing plate (9).

4. A cooling device for printing equipment according to claim 1, characterized in that, The outer end of the U-shaped tube (3) is provided with an external thread, and a nut (12) is screwed on the U-shaped tube (3). The connecting tube (8) rotates through the nut (12).

5. A cooling device for printing equipment according to claim 1, characterized in that, The upper printing roller is provided with a second cooling structure. The second cooling structure includes a first cover plate (13) located at the upper end of the printing roller. The first cover plate (13) is hollow inside and is fixed to the inner wall of the printing equipment body (1). The two ends of the first cover plate (13) are respectively connected to an air inlet pipe (14) and an exhaust pipe (15). The air inlet pipe (14) and the exhaust pipe (15) pass through the side wall of the printing equipment body (1).

6. A cooling device for printing equipment according to claim 5, characterized in that, A third cooling structure is provided on the lower end of the printing roller. The third cooling structure includes a second cover plate (16) located at the lower end of the printing roller. The second cover plate (16) is hollow inside and is fixed to the inner wall of the printing equipment body (1). An air inlet pipe (14) and an exhaust pipe (15) are respectively connected to both ends of the second cover plate (16). The air inlet pipe (14) and the exhaust pipe (15) pass through the side wall of the printing equipment body (1).

7. A cooling device for printing equipment according to claim 6, characterized in that, Multiple discharge pipes (17) are fixedly inserted through the second cover plate (16).

8. A cooling device for printing equipment according to claim 7, characterized in that, Both the first cover plate (13) and the second cover plate (16) are arc-shaped structures.

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