Rapid cooling device after thermal shrinkage of cable outer sheath

By combining spiral water-cooled pipes and air-cooled shells, the problem of low cooling efficiency after heat shrinking of the cable outer sheath is solved, achieving rapid cooling and safe production, and avoiding cable damage.

CN223871279UActive Publication Date: 2026-02-03JINSHUI CABLE GRP
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Patent Information

Application Number
CN202520329195.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-27
Publication Date
2026-02-03
Estimated Expiration
2035-02-27

AI Technical Summary

Technical Problem

The cable outer sheath cannot be cooled quickly after heat shrinking, resulting in low production efficiency. Furthermore, water-cooling is unsafe and can easily damage the cable.

Method used

The device employs a combination of spiral water-cooled pipes, a rapid cooling box, and an air-cooled shell, utilizing both cooling plates and fans for dual cooling, avoiding direct contact between cables and water sources, and achieving rapid cooling.

Benefits of technology

This technology enables rapid cooling of the cable outer sheath, improves production efficiency, reduces the risk of cable damage, and lowers maintenance costs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a rapid cooling device after thermal shrinkage of a cable outer sheath, and relates to the related technical field of cable processing. The device comprises a water storage tank, a cooling water tank, a spiral water cooling pipe, a quick cooling tank and an air cooling shell, the cooling water tank is arranged above the water storage tank, and the spiral water cooling pipe is arranged between the top surface of the water storage tank and the bottom surface of the cooling water tank; a quick cooling box is arranged beside the water storage box, two sets of inclined refrigerating pieces distributed at equal intervals are fixed to the two inner side walls of the quick cooling box, air cooling shells are arranged on the upper portion and the lower portion of the quick cooling box, and air guide channels where tools are distributed are fixed to the faces, facing the quick cooling box, of the air cooling shells in a penetrating mode. According to the utility model, the spiral water cooling pipe, the rapid cooling box, the air cooling shell, the water storage box and the cooling water tank are arranged, so that the problems that the cable outer sheath cannot be rapidly and timely cooled after thermal shrinkage, the water cooling mode of the cable outer sheath is not safe and convenient enough, and once a cable core is in contact with water, the whole section of cable cannot be used easily are solved.
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Description

Technical Field

[0001] This utility model belongs to the technical field of cable processing, and in particular relates to a rapid cooling device after heat shrinking of the cable outer sheath. Background Technology

[0002] The cable outer sheath is a protective layer covering the cable core, protecting it from moisture and other harmful substances, as well as mechanical damage. It is completely waterproof. The cable outer sheath provides mechanical protection, moisture and water resistance, flame retardancy, anti-aging properties, corrosion resistance, chemical corrosion resistance, and interference shielding. The manufacturing of cable outer sheaths typically involves different processes such as extrusion wrapping and heat shrinking. For example, the heat shrinking process involves placing a heat shrink tube with a slightly larger inner diameter around the cable core, then using heat, hot air guns, or flame to shrink the tube and make it fit tightly against the outside of the cable. However, this process still has the following drawbacks in practical use:

[0003] 1. Currently, after the cable sheath is heat-shrinked, its surface still has a high temperature. It is usually simply cooled and then directly wound into a coil. During this process, the cable sheath cannot be cooled quickly, and residual heat remains after winding, which is not conducive to cable production operations and has insufficient cooling efficiency.

[0004] 2. Secondly, conventional cable sheath cooling, such as the outer sheath of cables in extrusion operations, involves direct immersion in water for cooling. This method causes water stains to adhere to the outer surface of the cable sheath, which needs to be dried before the cable can be rolled. Furthermore, if the outer sheath of the cable is slightly damaged and immersed in water, the entire cable cannot be packaged and sold and needs to be reworked. Utility Model Content

[0005] The purpose of this utility model is to provide a rapid cooling device for cable outer sheath after heat shrinking. By setting up a spiral water cooling pipe, a rapid cooling box, an air cooling shell, a water storage tank, and a cooling water tank, it solves the problems that the cable outer sheath cannot be cooled quickly and in a timely manner after heat shrinking, and that the water cooling method for the cable outer sheath is not safe and convenient enough. Once the cable core comes into contact with water, it can easily make the entire cable unusable.

[0006] To solve the above-mentioned technical problems, this utility model is achieved through the following technical solution:

[0007] This utility model is a rapid cooling device for heat-shrinked cable outer sheath, including a water storage tank, a cooling water tank, a spiral water cooling pipe, a rapid cooling box and an air cooling shell. The four corners of the upper end of the water storage tank are all fixed with pillars, and the upper ends of all pillars are jointly fixed with the cooling water tank. A spiral water cooling pipe is provided between the top surface of the water storage tank and the bottom surface of the cooling water tank.

[0008] A rapid cooling box is installed next to the water storage tank. Two sets of inclined and equidistant cooling plates are fixed on the two inner walls of the rapid cooling box. Air-cooled shells are installed above and below the rapid cooling box. The side of the air-cooled shell facing the rapid cooling box is permeated with fixed air guide channels.

[0009] Furthermore, one end of the spiral water-cooling pipe is fixedly connected to an inlet pipe, and the other end of the spiral water-cooling pipe is fixedly connected to a return pipe. The upper end of the inlet pipe passes through the bottom of the cooling water tank and communicates with the inside of the cooling water tank, while the lower end of the return pipe passes through the top of the water storage tank and communicates with the inside of the water storage tank.

[0010] Furthermore, a water pump is fixed to the top surface of the water storage tank, and a water pumping pipe is fixed through the water pump's pumping end. The end of the water pump away from the water pump is connected to the inside of the water storage tank. A water outlet pipe is fixed through the water pump's outlet end, and the end of the water outlet pipe away from the water pump passes through the upper part of the side wall of the cooling water tank and extends into the cooling water tank.

[0011] Furthermore, the rapid cooling box has inclined and equidistant openings on both its upper and lower surfaces, and the end of the air guide channel near the rapid cooling box extends into the opening close to it.

[0012] Furthermore, the cooling element and the adjacent opening are arranged in parallel and located diagonally below the opening.

[0013] Furthermore, the quick-cooling box has an outlet at the end near the water storage tank and an inlet at the end away from the water storage tank, and the inlet, outlet and the center line of the spiral water-cooling pipe are on the same straight line.

[0014] Furthermore, fans are fixed on both the upper and lower surfaces of the rapid cooling box above and below the inlet, and an air outlet pipe is fixedly connected to the air outlet end of the fan. The air outlet pipe is also fixedly connected to the end of the air-cooled shell that is close to it. A bracket is fixed on the outer wall of the rapid cooling box, and the bottom end of the bracket is flush with the bottom end of the water storage tank.

[0015] This utility model has the following beneficial effects:

[0016] 1. This utility model solves the problem of low cooling efficiency caused by the inability to quickly and timely cool the residual heat of the cable outer sheath after heat shrinking by setting up a spiral water-cooling pipe, a rapid cooling box, and an air-cooling shell. After heat shrinking, the cable enters the rapid cooling box, where the cooling fins work to lower its internal temperature. At this time, the fan outside the air-cooling shell blows air into the air-cooling shell and then out through the air guide channel, blowing the cold air outside the cooling fins. As the cable passes between a large number of cooling fins, the cold air quickly contacts the surface of the cable and rapidly cools its outer sheath. Even if a small amount of residual heat remains, the cable will pass through the spiral water-cooling pipe, where the cold water flowing through the spiral water-cooling pipe will continue to remove the heat from the cable, achieving a dual rapid cooling effect, allowing the cable to be immediately packaged into rolls.

[0017] 2. This utility model solves the problem that water cooling of the cable outer sheath is not safe and convenient enough by setting up a spiral water cooling pipe, a rapid cooling box, a water storage tank, and a cooling water tank. Once the cable core comes into contact with water, the entire cable can easily become unusable. When the cable passes through the rapid cooling box and the spiral water cooling pipe, it does not come into contact with any external equipment or other components, nor with water. This reduces wear and prevents the cable from being damaged by water immersion due to accidental contact or related production defects. Even if there are defects in the cable sheath, it will not come into contact with water, reducing subsequent maintenance costs. Attached Figure Description

[0018] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below.

[0019] Figure 1 A perspective view of a rapid cooling device for heat-shrinkable cable outer sheath;

[0020] Figure 2 This is a structural diagram showing the structure after the rapid cooling box and air-cooled shell have been removed.

[0021] Figure 3 This is a connection diagram of the rapid cooling box and the air-cooled shell.

[0022] Figure 4 This is a cross-sectional view of the rapid cooling box and its connection to the air-cooled shell.

[0023] Figure 5 This is a cross-sectional view of the rapid cooling chamber;

[0024] Figure 6 This is a structural diagram of the air-cooled shell.

[0025] Figure label:

[0026] 1. Water tank; 101. Support column; 2. Cooling water tank; 3. Water pump; 301. Pump pipe; 302. Outlet pipe; 4. Spiral water cooling pipe; 401. Inlet pipe; 402. Return pipe; 5. Rapid cooling box; 501. Bracket; 502. Inlet; 503. Outlet; 504. Cooling element; 505. Through port; 6. Air-cooled shell; 601. Air guide channel; 602. Fan; 603. Outlet duct. Detailed Implementation

[0027] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention.

[0028] Please see Figure 1-6 As shown, this utility model is a rapid cooling device for the outer sheath of a cable after heat shrinking, including a water storage tank 1, a cooling water tank 2, a spiral water cooling pipe 4, a rapid cooling box 5 and an air cooling shell 6. The four corners of the upper end of the water storage tank 1 are all fixed with support columns 101, and the upper end of all the support columns 101 is jointly fixed with the cooling water tank 2. The spiral water cooling pipe 4 is arranged between the top surface of the water storage tank 1 and the bottom surface of the cooling water tank 2.

[0029] The water storage tank 1 contains a certain amount of cooling water, and a cooling water tank 2 is installed above it via a support column 101. The upper end of the cooling water tank 2 is open to facilitate the cooling of the water discharged from the water storage tank 1.

[0030] The spiral water-cooled pipe 4 is used for secondary cooling of the cable. Water from the water tank 1 is injected into the spiral water-cooled pipe 4 for secondary cooling.

[0031] A rapid cooling box 5 is set next to the water storage tank 1. Two sets of inclined and equally spaced cooling plates 504 are fixed on the two inner walls of the rapid cooling box 5. Air-cooled shells 6 are set above and below the rapid cooling box 5. The side of the air-cooled shells 6 facing the rapid cooling box 5 is permeated with fixed air guide channels 601.

[0032] After heat shrinking, the cable enters the rapid cooling box 5. The cooling element 504 inside the rapid cooling box 5 works, lowering its internal temperature. At this time, the fan 602 outside the air-cooled shell 6 blows air into the air-cooled shell 6 and then out through the air guide channel 601, blowing towards the corresponding cooling element 504. This blows the cold air outside the cooling element 504. As the cable passes between a large number of cooling elements 504, the cold air quickly contacts the surface of the cable, rapidly cooling its outer sheath.

[0033] One end of the spiral water cooling pipe 4 is fixedly connected to the inlet pipe 401, and the other end of the spiral water cooling pipe 4 is fixedly connected to the return pipe 402. The upper end of the inlet pipe 401 passes through the bottom of the cooling water tank 2 and is connected to the inside of the cooling water tank 2. The lower end of the return pipe 402 passes through the top of the water storage tank 1 and is connected to the inside of the water storage tank 1.

[0034] The inlet pipe 401 introduces the cooling water in the cooling water tank 2 into the spiral water cooling pipe 4, and then returns it to the water storage tank 1 through the return pipe 402, so as to realize the flow of cooling water and carry away the heat on the cable passing through the spiral water cooling pipe 4.

[0035] A water pump 3 is fixed on the top surface of the water storage tank 1. A water pump pipe 301 is fixed through the water pump 3, and the end of the water pump pipe 301 away from the water pump 3 is connected to the inside of the water storage tank 1. A water outlet pipe 302 is fixed through the water pump 3, and the end of the water outlet pipe 302 away from the water pump 3 passes through the upper part of the side wall of the cooling water tank 2 and extends into the cooling water tank 2.

[0036] The water pump 3 draws water from the water storage tank 1 and then introduces it into the cooling water tank 2 through the outlet pipe 302. After cooling, the water enters the spiral water cooling pipe 4 through the inlet pipe 401 to achieve circulation.

[0037] The quick-cooling box 5 has inclined and equidistant openings 505 on both the top and bottom surfaces. The air guide channel 601 extends into the opening 505 near the quick-cooling box 5. The cooling plate 504 and the opening 505 near it are arranged in parallel and are located diagonally below the opening 505.

[0038] The fan 602 blows air into the air-cooled housing 6, and then the air is guided out through the air guide channel 601, enters the rapid cooling box 5 through the port 505, and blows towards the cooling plate 504 diagonally below the port 505, so that it quickly drives the flow of cold air to perform rapid cooling of the cable.

[0039] The quick-cooling box 5 is provided with an outlet 503 at the end near the water storage tank 1, and an inlet 502 at the end away from the water storage tank 1. The center lines of the inlet 502, the outlet 503 and the spiral water cooling pipe 4 are on the same straight line. After the cable outer sheath is heat-shrinked, it enters from the inlet 502, exits from the outlet 503, and then enters the spiral water cooling pipe 4.

[0040] Fans 602 are fixed on both the upper and lower sides of the quick-cooling box 5 above and below the inlet 502, and an air outlet pipe 603 is fixed through the air outlet end of the fan 602. The air outlet pipe 603 is fixed through the air-cooling shell 6 near it. A bracket 501 is fixed on the outer wall of the quick-cooling box 5, and the bottom end of the bracket 501 is flush with the bottom end of the water storage tank 1.

[0041] The fan 602 provides air cooling power, which is blown into the air-cooled housing 6 from the air outlet 603 and fixedly supported by the bracket 501.

[0042] The specific working principle of this utility model is as follows: First, the outer sheath of the cable is heat-shrinked and enters from the inlet 502 of the rapid cooling box 5 and exits from the outlet 503 (the size of the inlet 502 and outlet 503 can be appropriately enlarged to facilitate air blowing and heat dissipation). Then, it enters the spiral water cooling pipe 4 (the cable does not contact the spiral water cooling pipe 4). During this process, the fan 602 provides air cooling power and blows air into the air cooling shell 6 from the air outlet pipe 603. The air is then blown into the air cooling shell 6 and out of the air guide channel 601. It enters the rapid cooling box 5 from the opening 505 and blows towards the cooling plate 504 diagonally below the opening 505, blowing the cold air outside the cooling plate 504. At this time, the cable passes between a large number of cooling plates 504, but the cable does not contact the cooling plate 504 or any other components. The cold air will quickly contact the surface of the cable and rapidly cool its outer sheath.

[0043] Secondly, the water pump 3 is used to draw water from the water storage tank 1 and then introduce it into the cooling water tank 2 through the water outlet pipe 302. After cooling, the water enters the spiral water cooling pipe 4 through the water inlet pipe 401. The cold water flowing in the spiral water cooling pipe 4 continues to carry away the heat of the cable and then flows back to the water storage tank 1 through the water return pipe 402. This realizes the flow of cooling water, which carries away the heat on the cable passing through the spiral water cooling pipe 4 and completes the dual rapid cooling effect.

[0044] The above are merely preferred embodiments of the present utility model and do not limit the present utility model. Any modifications, equivalent substitutions, or improvements made to the technical solutions described in the foregoing embodiments, or to some of the technical features, shall fall within the protection scope of the present utility model.

Claims

1. A rapid cooling device for heat-shrinked cable outer sheath, comprising a water storage tank (1), a cooling water tank (2), a spiral water-cooled pipe (4), a rapid cooling box (5), and an air-cooled shell (6), characterized in that: The four corners of the upper end of the water storage tank (1) are all fixed with support columns (101), and the upper ends of all the support columns (101) are jointly fixed with cooling water tank (2). A spiral water cooling pipe (4) is provided between the top surface of the water storage tank (1) and the bottom surface of the cooling water tank (2). A rapid cooling box (5) is provided next to the water storage tank (1). Two sets of inclined and equally spaced cooling plates (504) are fixed on the two inner side walls of the rapid cooling box (5). Air-cooled shells (6) are provided above and below the rapid cooling box (5). The side of the air-cooled shell (6) facing the rapid cooling box (5) is permeated with fixed air guide channels (601).

2. The rapid cooling device for heat-shrinked cable outer sheath according to claim 1, characterized in that: One end of the spiral water cooling pipe (4) is fixedly connected to the inlet pipe (401), and the other end of the spiral water cooling pipe (4) is fixedly connected to the return pipe (402). The upper end of the inlet pipe (401) passes through the bottom of the cooling water tank (2) and is connected to the inside of the cooling water tank (2). The lower end of the return pipe (402) passes through the top of the water storage tank (1) and is connected to the inside of the water storage tank (1).

3. The rapid cooling device for heat-shrinked cable outer sheath according to claim 1, characterized in that: A water pump (3) is fixed on the top surface of the water storage tank (1). A water pump pipe (301) is fixed through the water pump (3) and the end of the water pump (301) away from the water pump (3) is connected to the inside of the water storage tank (1). A water outlet pipe (302) is fixed through the water pump (3) and the end of the water outlet pipe (302) away from the water pump (3) passes through the upper part of the side wall of the cooling water tank (2) and extends into the cooling water tank (2).

4. The rapid cooling device for heat-shrinked cable outer sheath according to claim 1, characterized in that: The quick-cooling box (5) has inclined and equally spaced openings (505) on both the top and bottom surfaces. The air guide channel (601) extends into the opening (505) near the quick-cooling box (5).

5. The rapid cooling device for heat-shrinked cable outer sheath according to claim 4, characterized in that: The cooling element (504) and the adjacent opening (505) are arranged in parallel and are located diagonally below the opening (505).

6. The rapid cooling device for heat-shrinked cable outer sheath according to claim 1, characterized in that: The quick-cooling box (5) has an outlet (503) at one end near the water storage tank (1) and an inlet (502) at the other end away from the water storage tank (1). The center lines of the inlet (502), the outlet (503) and the spiral water cooling pipe (4) are on the same straight line.

7. The rapid cooling device for heat-shrinked cable outer sheath according to claim 6, characterized in that: Fans (602) are fixed on both the upper and lower sides of the quick-cooling box (5) above and below the inlet (502), and an air outlet pipe (603) is fixed through the air outlet end of the fan (602). The air outlet pipe (603) and the end of the air-cooled shell (6) nearby are fixed through the air outlet pipe (603). A bracket (501) is fixed on the outer wall of the quick-cooling box (5), and the bottom end of the bracket (501) is flush with the bottom end of the water storage tank (1).