Cooling device for cable insulation extrusion

Abstract

The utility model discloses a cooling device for cable insulation extrusion, and relates to the technical field of cable processing. Comprising a water tank, supporting legs are installed at the two ends of the bottom of the water tank, conveying rollers are arranged in the water tank, water collecting chambers are arranged at the left end and the right end of the water tank, guide rollers are arranged in the water collecting chambers, water return pipes are connected to the bottoms of the water collecting chambers, and circulating pumps are installed on cross beams of the supporting legs. According to the cooling device for cable insulation extrusion, water in the water tank overflows into the water collecting chambers at the two ends, the water is pushed into the water tank through the circulating pump to form circular flow, and during the period, nitrogen in the liquid nitrogen bottle is conveyed into the aeration pipe arranged at the bottom of the tank through the gas conveying pipeline according to a certain flow rate through the vortex gas pump, and is dispersed and escaped in a bubble form; and water is cooled through liquid nitrogen, and dispersed bubbles can stir the water to a certain degree, so that the cooling effect on the cable is better, and the production efficiency of the cable is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of cable processing, in particular to a cooling device for cable insulation extrusion. Background Art

[0002] Cables include power cables, control cables, compensating cables, shielded cables, high-temperature cables, computer cables, signal cables, coaxial cables, fire-resistant cables, marine cables, mining cables, aluminum alloy cables, etc. They are all composed of single or multiple strands of wires and insulating layers, and are used to connect circuits, electrical appliances, etc. The fillers on the surface of the cable or inside the cable are mostly heated by extruders or injection molding equipment, and then installed on the cable surface or filled into the cable. After that, the cable needs to be cooled.

[0003] Most of the existing wire and cable cooling devices are single water cooling. Although they can cool the cables, the fluidity of water is poor when cooling the wires and cables with water, resulting in uneven water temperature, which leads to unsatisfactory cooling effect of the wires and cables. Utility Model Content

[0004] The utility model provides a cooling device for cable insulation extrusion to solve the problems in the background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a cooling device for cable insulation extrusion, comprising a water trough, legs are installed at both ends of the bottom of the water trough, a conveying roller is arranged in the water trough, a water collecting chamber is arranged at the left and right ends of the water trough, and a guide roller is arranged in the water collecting chamber, a return pipe is connected to the bottom of the water collecting chamber, a circulating pump is installed on the cross beam of the leg, and the input end of the circulating pump is connected to the return pipe, a spray pipe is installed on the top of the water trough, and the spray pipe is connected to the output end of the circulating pump, a vortex air pump and a liquid nitrogen bottle are respectively installed on the cross beam of the leg, and the input port of the vortex air pump is connected to the liquid nitrogen bottle through a pipeline, an aeration pipe is laid on the inner bottom of the water trough, and the aeration pipe is connected to the output port of the vortex air pump.

[0006] Furthermore, the guide rollers are located on both sides of the water collecting chamber, and the top surfaces of the guide rollers are higher than the top surfaces of the conveying rollers.

[0007] Furthermore, a first regulating valve is provided between the circulation pump and the return pipe, and a second regulating valve is provided between the circulation pump and the spray pipe.

[0008] Furthermore, the nozzle of the spray pipe faces downward, and the aeration pipes are located at both ends of the bottom of the water tank.

[0009] Furthermore, the liquid nitrogen bottle is provided with an inlet and outlet liquid valve, which is connected to a pipeline connected to the vortex air pump through the inlet and outlet liquid valve.

[0010] Furthermore, a flow meter is installed on the pipeline connecting the vortex air pump and the liquid nitrogen bottle, and a third regulating valve is provided between the vortex air pump and the aeration pipe.

[0011] Compared with the prior art, the utility model provides a cooling device for cable insulation extrusion, which has the following beneficial effects:

[0012] In the cooling device for cable insulation extrusion, water in a water tank overflows into water collecting chambers at both ends, and a circulating pump is used to push the water into the water tank to form a circulating flow. During this period, a vortex air pump is used to transport nitrogen in a liquid nitrogen bottle to an aeration pipe arranged at the bottom of the tank through a gas pipeline at a certain flow rate, and the nitrogen escapes in the form of bubbles, thereby cooling the water with liquid nitrogen, and the dispersed bubbles can also stir the water body to a certain extent, so that the cooling effect on the cable is better, which is beneficial to improving the production efficiency of the cable. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the structure of the utility model;

[0014] Figure 2 It is a partial side view of the utility model;

[0015] Figure 3 It is a top view of the utility model.

[0016] In the figure: 1. water tank; 2. support leg; 3. conveying roller; 4. water collecting chamber; 5. guide roller; 6. return pipe; 7. circulation pump; 8. spray pipe; 9. vortex air pump; 10. liquid nitrogen bottle; 11. aeration pipe; 12. first regulating valve; 13. second regulating valve; 14. inlet and outlet liquid valve; 15. flow meter; 16. third regulating valve. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0018] See also Figure 1-Figure 3The utility model discloses a cooling device for cable insulation extrusion, comprising a water tank 1, legs 2 are installed at both ends of the bottom of the water tank 1, a conveying roller 3 is arranged in the water tank 1, a water collecting chamber 4 is arranged at the left and right ends of the water tank 1, and a guide roller 5 is arranged in the water collecting chamber 4, a return pipe 6 is connected to the bottom of the water collecting chamber 4, a circulating pump 7 is installed on the cross beam of the leg 2, and the input end of the circulating pump 7 is connected to the return pipe 6, a spray pipe 8 is installed on the top of the water tank 1, and the spray pipe 8 is connected to the output end of the circulating pump 7, a vortex air pump 9 and a liquid nitrogen bottle 10 are respectively installed on the cross beam of the leg 2, and the output end of the vortex air pump 9 is connected to the output end of the circulating pump 7. The inlet is connected to the liquid nitrogen bottle 10 through a pipeline. An aeration pipe 11 is laid on the inner bottom of the water tank 1, and the aeration pipe 11 is connected to the output port of the vortex air pump 9. The water in the water tank 1 overflows into the water collecting chambers 4 at both ends. The circulating pump 7 is used to push the water into the water tank 1 to form a circulating flow. During this period, the vortex air pump 9 is used to transport the nitrogen in the liquid nitrogen bottle 10 to the aeration pipe 11 arranged at the bottom of the tank through the gas pipeline at a certain flow rate, and the nitrogen is dispersed and escaped in the form of bubbles, so that the water is cooled by liquid nitrogen, and the dispersed bubbles can also stir the water body to a certain extent, so that the cooling effect on the cable is better, which is beneficial to improving the production efficiency of the cable.

[0019] Specifically, the guide rollers 5 are located on both sides of the water collecting chamber 4 , and the top surfaces of the guide rollers 5 are higher than the top surfaces of the conveying rollers 3 .

[0020] In this embodiment, the guide roller 5 is used to guide and position the introduced cable, and the conveying roller 3 is used to guide the smooth conveyance of the cable.

[0021] Specifically, a first regulating valve 12 is provided between the circulation pump 7 and the return pipe 6 , and a second regulating valve 13 is provided between the circulation pump 7 and the spray pipe 8 .

[0022] In this embodiment, the regulating valve is used to adjust parameters such as flow rate, pressure and temperature of the fluid to ensure stable and safe operation of the system.

[0023] Specifically, the nozzle of the spray pipe 8 faces downward, and the aeration pipe 11 is located at both ends of the bottom of the water tank 1.

[0024] In this embodiment, a circulation pump 7 is used to push water into the water tank 1 through a spray pipe 8, and a vortex air pump 9 is used to transport nitrogen in a liquid nitrogen bottle 10 through a gas pipeline at a certain flow rate to an aeration pipe 11 provided at the bottom of the tank, thereby cooling the water with liquid nitrogen.

[0025] Specifically, the liquid nitrogen bottle 10 is provided with a liquid inlet and outlet valve 14 , and is connected to a pipeline connected to the vortex air pump 9 via the liquid inlet and outlet valve 14 .

[0026] In this embodiment, the inlet and outlet liquid valves 14 are valves for entering and discharging liquid nitrogen, so that the water is cooled by the liquid nitrogen.

[0027] Specifically, a flow meter 15 is installed on the pipeline connecting the vortex air pump 9 and the liquid nitrogen bottle 10 , and a third regulating valve 16 is provided between the vortex air pump 9 and the aeration pipe 11 .

[0028] In this embodiment, the flow meter 15 can accurately measure the flow rate of a fluid (such as liquid, gas or steam), helping the user to understand the flow rate changes and thus make adjustments and optimizations.

[0029] When in use, the water in the water tank 1 overflows into the water collecting chambers 4 at both ends, and the circulating pump 7 is used to push the water into the water tank 1 to form a circulating flow. During this period, the vortex air pump 9 is used to transport the nitrogen in the liquid nitrogen bottle 10 through the gas pipeline to the aeration pipe 11 arranged at the bottom of the tank at a certain flow rate, and the nitrogen escapes in the form of bubbles, thereby cooling the water through liquid nitrogen, and the dispersed bubbles can also stir the water body to a certain extent, so that the cooling effect on the cable is better, which is beneficial to improving the production efficiency of the cable.

[0030] In summary, in the cooling device for cable insulation extrusion, the water in the water tank 1 overflows into the water collecting chambers 4 at both ends, and the circulating pump 7 is used to push the water into the water tank 1 to form a circulating flow. During this period, the nitrogen in the liquid nitrogen bottle 10 is transported to the aeration pipe 11 arranged at the bottom of the tank through the gas pipeline at a certain flow rate by the vortex air pump 9, and escapes in the form of bubbles, thereby cooling the water by liquid nitrogen, and the dispersed bubbles can also stir the water body to a certain extent, so that the cooling effect on the cable is better, which is beneficial to improving the production efficiency of the cable.

[0031] 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 cooling device for cable insulation extrusion, comprising a water tank (1), characterized in that: Support legs (2) are installed at both ends of the bottom of the water tank (1), a conveying roller (3) is arranged in the water tank (1), a water collecting chamber (4) is arranged at the left and right ends of the water tank (1), and a guide roller (5) is arranged in the water collecting chamber (4), the bottom of the water collecting chamber (4) is connected to a return pipe (6), a circulating pump (7) is installed on the cross beam of the support leg (2), and the input end of the circulating pump (7) is connected to the return pipe (6), a spray pipe (8) is installed on the top of the water tank (1), and the spray pipe (8) is connected to the output end of the circulating pump (7), a vortex air pump (9) and a liquid nitrogen bottle (10) are respectively installed on the cross beam of the support leg (2), and the input port of the vortex air pump (9) is connected to the liquid nitrogen bottle (10) through a pipeline, and an aeration pipe (11) is laid on the inner bottom of the water tank (1), and the aeration pipe (11) is connected to the output port of the vortex air pump (9).

2. A cable insulation extrusion cooling device according to claim 1, characterized in that: The guide rollers (5) are located on both sides of the water collecting chamber (4), and the top surfaces of the guide rollers (5) are higher than the top surfaces of the conveying rollers (3).

3. A cable insulation extrusion cooling device according to claim 1, characterized in that: A first regulating valve (12) is provided between the circulation pump (7) and the return water pipe (6), and a second regulating valve (13) is provided between the circulation pump (7) and the spray pipe (8).

4. A cable insulation extrusion cooling device according to claim 1, characterized in that: The spray head of the spray pipe (8) faces downward, and the aeration pipe (11) is located at both ends of the bottom of the water tank (1).

5. A cable insulation extrusion cooling device according to claim 1, characterized in that: The liquid nitrogen bottle (10) is provided with a liquid inlet and outlet valve (14), and is connected to a pipeline connected to the vortex air pump (9) via the liquid inlet and outlet valve (14).

6. A cable insulation extrusion cooling device according to claim 1, characterized in that: A flow meter (15) is installed on the pipeline connecting the vortex air pump (9) and the liquid nitrogen bottle (10), and a third regulating valve (16) is provided between the vortex air pump (9) and the aeration pipe (11).

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