Water cooling device for optical cable sheath production

Abstract

The present application relates to the technical field of sheath forming, in particular to a water cooling device for optical cable sheath production, which comprises an assembly shell and a positioning sleeve at the end of the assembly shell, the positioning sleeve is fixedly installed with an assembly plate at the end, the end of the assembly plate is rotatably installed with a taper sleeve in a penetrating mode, the assembly shell is designed with a tapered functional cavity inside, the taper sleeve is designed with a thin wall, and both ends of the taper sleeve are provided with penetrating immersion cavities, and the optical cable passes through the immersion cavities; the outer wall of the taper sleeve is integrally formed with spiral dragon leaves, and there is a gap between the outer wall of the spiral dragon leaves and the inner wall of the functional cavity; the assembly shell completely surrounds the taper sleeve; and the end of the assembly plate is installed with a driver for controlling the rotation of the taper sleeve, the present application can not disturb the sheath when mixing cold and hot water, can effectively output uniform temperature water to the optical cable sheath, and can gently shape and avoid thermal shock.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of sheath forming, in particular to a water cooling device for optical cable sheath production. BACKGROUND

[0002] The water cooling device is used for the optical cable sheath after extrusion forming, realizes fast round setting and uniform cooling, reduces the outer diameter fluctuation and residual stress, and improves the consistency of finished products, and mainly comprises a water cooling tank and a circulating system.

[0003] In the prior art, because the cooling method of the water cooling tank is relatively extensive, the simple immersion type cooling cannot realize accurate temperature control and flow field control, and only relies on the work of the circulating system, it is difficult to fully mix the high-temperature water and the low-temperature water, the water temperature of the water cooling tank is reduced, and effective stirring is lacked, but stirring in the water cooling tank will interfere with the flow field, the cable and the sheath will move in the water cooling tank, resulting in reduction of the forming quality of the sheath, such as uneven thickness, surface wrinkles and sheath ovality. SUMMARY

[0004] The present application provides a water cooling device for optical cable sheath production, which can not disturb the sheath when mixing cold and hot water, and can effectively output uniform temperature water to the optical cable sheath, and gently shape, avoiding thermal shock.

[0005] In order to achieve the above purpose, the present application provides the following technical scheme:

[0006] A water cooling device for optical cable sheath production, comprising:

[0007] The positioning sleeve at the end of the assembly shell is fixedly installed with an assembly plate, the end of the assembly plate is rotatably installed with a tapered sleeve, the interior of the assembly shell is designed with a tapered functional cavity, the tapered sleeve is designed with a thin wall, and the two ends of the tapered sleeve are provided with penetrating immersion cavities, and the optical cable passes through the immersion cavities; the outer wall of the tapered sleeve is integrally formed with spiral dragon leaves, and the outer wall of the spiral dragon leaves and the inner wall of the functional cavity have a gap; the assembly shell completely surrounds the tapered sleeve; and the end of the assembly plate is installed with a driver for controlling the rotation of the tapered sleeve.

[0008] Optionally, the end of the tapered sleeve is integrally formed with a first straight cylinder portion, the first straight cylinder portion penetrates the end of the assembly plate, and the first straight cylinder portion and the penetration portion form a piston type sealing cooperation and allow rotation, the tapered sleeve is a tapered structure, and the taper of the tapered sleeve is equal to and coaxial with the taper of the functional cavity, the gap between the outer wall of the spiral dragon leaves and the inner wall of the functional cavity can be adjusted when the tapered sleeve is displaced, and the spiral dragon leaves can be attached to the inner wall of the functional cavity.

[0009] Optionally, the end of the assembly shell away from the positioning sleeve is integrally formed with a necked shell, the end of the necked shell is integrally formed with a shaping shell, and the end of the tapered sleeve away from the first straight cylindrical portion is integrally formed with a second straight cylindrical portion. An annular slit can be formed between the second straight cylindrical portion and the assembly shell and the necked shell, and the taper of the shaping shell is greater than the taper of the assembly shell.

[0010] Optionally, the outer wall of the conical sleeve is provided with multiple guide holes that communicate with the soaking chamber. The multiple guide holes are distributed along the spiral gap of the conical sleeve, and the guide holes are designed as a frustum from the outside to the inside.

[0011] Optionally, the driver includes a long spline fixedly mounted on a first cylindrical section, a driven wheel slidably mounted on the outer wall of the first cylindrical section by means of the long spline, a servo motor fixedly mounted on the outer wall of the mounting plate, a pulley fixedly mounted on the output end of the servo motor, the pulley and the driven wheel being connected by a synchronous belt drive, and a frame fork for restricting the sliding of the driven wheel being mounted on the mounting plate.

[0012] Optionally, a retaining ring is provided on the outer wall of the first straight section to limit rotation, and an electric push rod is fixedly installed on the outer wall of the assembly plate, with the output end of the electric push rod being fixedly connected to the outer wall of the retaining ring.

[0013] Optionally, a feed pipe is installed on the top of the positioning sleeve, which is connected to the functional cavity. A sludge discharge port is opened on the inner wall of the positioning sleeve at the lowest point, and a controllable switch is installed at the sludge discharge port. A water return trough is also installed on the outer wall of the assembly shell, which surrounds the assembly shell and contains a water-cooling medium.

[0014] Optionally, the controllable switch includes a device box fixedly installed below the discharge port. The device box is fixedly installed on the outer wall of the positioning sleeve. An arc-shaped valve plate is slidably installed inside the device box. The top arc wall of the arc-shaped valve plate is on the same arc surface as the inner wall of the positioning sleeve. A pneumatic push rod for controlling the up and down displacement of the arc-shaped valve plate is installed inside the device box. A discharge port is opened on the side wall of the device box.

[0015] This invention provides a water-cooling device for the production of optical cable sheaths, which has the following advantages compared with the prior art;

[0016] The rotating spiral blades powerfully agitate the water flow within the functional chamber, completely eliminating temperature stratification and achieving highly uniform water temperature. Simultaneously, the thin-walled immersion chamber of the conical sleeve completely isolates the optical cable sheath from the strong external water flow, avoiding the problems of turbulence caused by traditional agitation methods that lead to the soft sheath swaying and deforming.

[0017] By changing the axial position of the cone sleeve, the gap between the spiral auger blades and the inner wall of the functional cavity can be adjusted, thereby precisely controlling the mixing intensity according to actual working conditions. When the blades rotate in contact with the inner wall, they can automatically scrape off and flush away contaminants adhering to the inner wall, greatly reducing the burden of maintenance and cleaning.

[0018] The uniformly heated water, propelled by the spiral auger blades, flows through the annular slit, forming a uniform and gentle annular water curtain that continuously impacts the outer wall of the jacket as it enters the molding shell. This rapidly refreshes the thermal boundary layer, accelerates heat exchange, and avoids thermal shock caused by direct contact between the low-temperature inlet water and the jacket, thus improving cooling consistency and molding quality.

[0019] The guide holes allow some uniformly heated water to enter the immersion chamber, accelerating the removal of internal heat and further improving overall cooling efficiency. Its unique truncated cone design effectively prevents external contaminants from entering the immersion chamber in reverse, ensuring a clean environment for the optical cable sheath forming process.

[0020] The coordination between the feed pipe, the bottom drain port of the positioning sleeve, the arc-shaped valve plate and the pneumatic push rod inside the equipment box, and the return water tank enables closed-loop temperature control and purification, including online water replenishment, rapid bottom drainage, and circumferential return water cooling. This maintains uniform temperature within the tank over the long term and reduces sedimentation and maintenance frequency. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the external three-dimensional structure of the present invention;

[0022] Figure 2 For the present invention Figure 1 A schematic diagram of the right-side view structure;

[0023] Figure 3 For the present invention along Figure 2 A schematic diagram of the structure viewed in section AA;

[0024] Figure 4 This is a schematic diagram of the inner wall of the conical sleeve scraping and cleaning function cavity in this invention;

[0025] Figure 5 This is a three-dimensional structural diagram of the conical sleeve and the assembly shell in this invention;

[0026] Figure 6 For the present invention Figure 1 A schematic diagram of the rear view structure;

[0027] Figure 7 This is a schematic diagram of the external three-dimensional structure from another perspective of the present invention;

[0028] Figure 8 This is a schematic diagram of the assembly between the water-cooling tank and the assembly shell in this invention.

[0029] In the diagram: 1. Assembly shell; 2. Necked shell; 3. Shaping shell; 4. Feed pipe; 5. Assembly plate; 6. Positioning sleeve; 7. First straight section; 8. Conical sleeve; 9. Spiral auger blade; 11. Second straight section; 12. Equipment box; 13. Arc-shaped valve plate; 14. Snap ring; 15. Driven wheel; 16. Long spline; 17. Electric push rod; 18. Return water tank. Detailed Implementation

[0030] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0031] Please see Figures 1 to 8 This invention provides a technical solution: a water-cooling device for optical cable sheath production, comprising:

[0032] The assembly shell 1 and its end positioning sleeve 6 are assembled. An assembly plate 5 is fixedly installed at the end of the positioning sleeve 6. A conical sleeve 8 is rotatably installed through the end of the assembly plate 5. The assembly shell 1 has a conical functional cavity inside. The conical sleeve 8 is thin-walled and has through-hole immersion cavities at both ends, through which the optical cable passes. A spiral auger blade 9 is integrally formed on the outer wall of the conical sleeve 8. There is a gap between the outer wall of the spiral auger blade 9 and the inner wall of the functional cavity. The assembly shell 1 completely surrounds the conical sleeve 8. A driver for controlling the rotation of the conical sleeve 8 is installed at the end of the assembly plate 5.

[0033] In existing technologies, optical cables and their sheaths pass through water-cooled tanks. However, the associated circulation system cannot effectively mix the incoming low-temperature water with the high-temperature water, resulting in poor temperature uniformity within the water-cooled tank. This is most directly reflected in the size and structure of the sheath. Furthermore, it leads to the concentration of residual internal stress in the material, freezing the molecular chains in the rapidly cooling areas into an extended state, preventing relaxation and increasing product brittleness, thus causing subsequent stress cracking. An effective way to mix low-temperature and high-temperature water is to accelerate the heat exchange of water molecules, primarily achieved through mechanical stirring. However, high-speed rotating impellers and other agitators can cause water... The water in the cold bath forms turbulence, which pushes the cooling soft sheath, causing it to swing up and down or left and right. This leads to reduced sheath forming, uneven thickness, and surface wrinkles. In this case, the conical sleeve 8 is designed so that the spiral auger blade 9 on its outside can disturb the hot and cold water between the functional cavity and the outside of the conical sleeve 8 when it rotates. At the same time, the immersion cavity protects the optical cable sheath passing through it from external disturbances. Furthermore, the gap between the outer wall of the spiral auger blade 9 and the inner wall of the functional cavity prevents the rotation of the spiral auger blade 9 from causing strong directional water flow and avoids internal turbulence.

[0034] The spiral auger blade 9, through continuous division, rotation, and recombination of the flow streams, can completely eliminate the temperature and density stratification of hot and cold water, achieving a high degree of uniformity in water temperature within the tank. Secondly, the thin-walled characteristics of the conical sleeve 8 allow the heated water after heat transfer from the internal optical cable to be transferred to the thin wall of the conical sleeve 8. The rotation of the conical sleeve 8 accelerates the heat exchange between its outer wall and the newly introduced low-temperature water in the functional cavity, thus preventing the newly introduced low-temperature water from directly merging with the heated water and avoiding affecting the temperature uniformity. Furthermore, since the assembly shell 1 completely encloses the conical sleeve 8, the opening of the conical sleeve 8 merges with the functional cavity, thereby mixing the uniformly heated water flow with the water flow inside the soaking chamber.

[0035] In a preferred embodiment, the end of the cone sleeve 8 is integrally formed with a first cylindrical portion 7, which extends through the end of the mounting plate 5. The first cylindrical portion 7 forms a piston-like seal with the through portion, allowing rotation. The cone sleeve 8 has a tapered structure, and the taper of the cone sleeve 8 is equal to and coaxial with the taper of the functional cavity. When the cone sleeve 8 is displaced, the gap between the outer wall of the spiral auger blade 9 and the inner wall of the functional cavity can be adjusted. The spiral auger blade 9 can fit against the inner wall of the functional cavity. Please refer to [reference needed]. Figures 3 to 5 In this embodiment, the adjustable position of the spiral auger blade 9 brings about changes in the gap, which allows for adjustment of the mixing intensity according to the actual situation. Secondly, the fit between the outer wall of the spiral auger blade 9 and the functional cavity can effectively scrape and clean the inner wall of the functional cavity, while generating a strong directional water flow to flush away contaminants on the inner wall of the functional cavity, thus improving the cleaning effect.

[0036] To eliminate hard damage, a rubber sleeve can be placed over the outside of the spiral auger blade 9.

[0037] Based on the embodiment of scraping and cleaning the inner wall, the end of the assembly shell 1 away from the positioning sleeve 6 is integrally formed with a necked shell 2, the end of the necked shell 2 is integrally formed with a shaping shell 3, and the end of the tapered sleeve 8 away from the first straight cylindrical portion 7 is integrally formed with a second straight cylindrical portion 11. An annular slit can be formed between the second straight cylindrical portion 11 and both the assembly shell 1 and the necked shell 2. The taper of the shaping shell 3 is greater than the taper of the assembly shell 1. Please refer to [link / reference]. Figure 3 and its detailed enlarged image, Figure 4 and Figure 5 In this embodiment, regardless of the gap between the outer wall of the spiral auger blade 9 and the functional cavity, the rotation of the spiral auger blade 9 can drive the water flow, only the flow velocity and directionality differ. Therefore, when the water flows through the annular slit, it can form an annular impact water curtain. By designing the travel direction of the optical cable sheath, in Figure 3From right to left, the water curtain impacts the outer wall of the sheath, and the continuous operation of the water curtain can quickly refresh the thermal boundary layer on the outer wall of the sheath, thereby achieving rapid heat exchange. Secondly, the annular slit outputs a water flow with good temperature uniformity, which gently shapes the optical cable sheath that initially enters the shaping shell 3, avoiding thermal shock. Therefore, it can improve the cooling consistency of the sheath and improve the shaping quality. After the optical cable sheath enters the soaking chamber, it begins the subsequent main body cooling and final rounding.

[0038] The uniformly heated water flow introduced into the shaping shell 3 through the annular slit is not the low-temperature water that directly enters the functional cavity. This avoids direct contact between the low-temperature water and the optical cable sheath, thus preventing thermal shock. At the same time, the annular slit can continuously output water, preventing dead zones from appearing inside the shaping shell 3.

[0039] Based on the embodiment of scraping and cleaning the inner wall, multiple guide holes communicating with the soaking chamber are provided on the outer wall of the conical sleeve 8. The multiple guide holes are distributed along the spiral gap of the conical sleeve 8, and the guide holes are designed as a frustum from the outside to the inside. Please refer to [link to relevant documentation]. Figure 5 In this embodiment, in order to improve the heat conduction rate from the soaking chamber to the functional chamber, the water in the functional chamber is directly exchanged between the two through the guide hole. Secondly, the slot of the cone design can prevent contaminants from entering the soaking chamber.

[0040] Based on the embodiment for scraping and cleaning the inner wall, the actuator includes a long spline 16 fixedly mounted on the first cylindrical section 7. A driven wheel 15 is slidably mounted on the outer wall of the first cylindrical section 7 via the long spline 16. A servo motor is fixedly mounted on the outer wall of the mounting plate 5. A pulley is fixedly mounted on the output end of the servo motor. The pulley and the driven wheel 15 are connected by a synchronous belt drive. A frame fork is mounted on the mounting plate 5 to restrict the sliding of the driven wheel 15. (See also...) Figure 6 and Figure 7 In this embodiment, through the cooperation between the long spline 16, the driven wheel 15 and the frame fork, the driven wheel 15 can maintain its spatial position, and the first straight cylinder 7 will slide relative to the driven wheel 15, so that no matter where the first straight cylinder 7 is, the driven wheel 15 can always maintain synchronous transmission with the pulley.

[0041] Furthermore, a retaining ring 14 is provided on the outer wall of the first cylindrical section 7 to limit its rotation, and an electric push rod 17 is fixedly installed on the outer wall of the assembly plate 5. The output end of the electric push rod 17 is fixedly connected to the outer wall of the retaining ring 14. Through the cooperation between the retaining ring 14 and the electric push rod 17, the electric push rod 17 will limit the rotation of the retaining ring 14. Similarly, the first cylindrical section 7 will not drive the retaining ring 14 to rotate during the rotation process, but the retaining ring 14 can drive the first cylindrical section 7 to make horizontal displacement.

[0042] In summary, further, the top of the positioning sleeve 6 is equipped with a feed pipe 4, which is connected to the functional cavity. The inner wall of the positioning sleeve 6 at the lowest point is provided with a sludge discharge port, and a controllable switch is installed at the sludge discharge port. The outer wall of the assembly shell 1 is also equipped with a water return tank 18, which surrounds the assembly shell 1 and has a water cooling medium flowing inside it.

[0043] Furthermore, the controllable switch includes an equipment box 12 fixedly installed below the discharge port. The equipment box 12 is fixedly installed on the outer wall of the positioning sleeve 6. An arc-shaped valve plate 13 is slidably installed inside the equipment box 12. The top arc wall of the arc-shaped valve plate 13 is on the same arc surface as the inner wall of the positioning sleeve 6. A pneumatic push rod for controlling the up and down displacement of the arc-shaped valve plate 13 is installed inside the equipment box 12. A discharge port is opened on the side wall of the equipment box 12.

[0044] By utilizing the above-mentioned structures, the sheath will not be disturbed when hot and cold water are mixed, and at the same time, it can effectively output uniformly heated water to the optical cable sheath, gently shaping it and avoiding thermal shock.

[0045] The standard parts used in this embodiment can be purchased directly from the market, and the non-standard structural parts described in the specification and drawings can also be processed without any doubt based on existing technical common sense. At the same time, the connection methods of each component adopt mature conventional methods in the existing technology, and the machinery, parts and equipment all adopt conventional models in the existing technology, so they will not be described in detail here.

[0046] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A water cooling device for optical cable jacket production, characterized by: Include: The assembly shell (1) and its end positioning sleeve (6), the positioning sleeve (6) end fixedly installed with assembly plate (5), the assembly plate (5) end through type rotary installation with taper sleeve (8), the assembly shell (1) inside design has taper function cavity, the taper sleeve (8) is thin wall design, and its both ends have through type soaking cavity, optical cable runs in soaking cavity; The outer wall of the taper sleeve (8) is integrally formed with spiral dragon leaf (9), and the outer wall of the spiral dragon leaf (9) and the inner wall of the function cavity have a gap; The assembly shell (1) completely surrounds the taper sleeve (8); The assembly plate (5) end installs the drive that controls the rotation of taper sleeve (8); The taper sleeve (8) is integrally formed with a first straight cylinder (7) at the end, the first straight cylinder (7) penetrates the end of the assembly plate (5), and the first straight cylinder (7) and the penetration form a piston type sealing cooperation and allow rotation, the taper sleeve (8) is tapered structure, and the taper of the taper sleeve (8) is equal to the taper of the function cavity and coaxial design, the gap between the outer wall of the spiral dragon leaf (9) and the inner wall of the function cavity can be adjusted when the taper sleeve (8) is displaced, the spiral dragon leaf (9) can be attached to the inner wall of the function cavity.

2. The water cooling device for optical cable jacket production according to claim 1, characterized in that: The end of the assembly shell (1) away from the positioning sleeve (6) is integrally formed with a necked shell (2), the end of the necked shell (2) is integrally formed with a shaped shell (3), the end of the taper sleeve (8) away from the first straight cylinder (7) is integrally formed with a second straight cylinder (11), the second straight cylinder (11) can form an annular gap between the assembly shell (1) and the necked shell (2), and the taper of the shaped shell (3) is greater than the taper of the assembly shell (1).

3. The water cooling device for optical cable jacket production according to claim 1, characterized in that: A plurality of flow guide holes are formed in the outer wall of the taper sleeve (8) and communicated with the soaking cavity, the plurality of flow guide holes are distributed along the spiral gap of the taper sleeve (8), and the flow guide holes are designed as frustopyramidal from outside to inside.

4. The water cooling device for optical cable jacket production according to claim 1, characterized in that: The drive includes a long spline (16) fixedly installed on the first straight cylinder (7), the outer wall of the first straight cylinder (7) is slidably assembled with a driven wheel (15) by the long spline (16), the outer wall of the assembly plate (5) is fixedly installed with a servo motor, the output end of the servo motor is fixedly installed with a belt wheel, the belt wheel and the driven wheel (15) are connected by a synchronous belt transmission, and the assembly plate (5) is installed with a frame fork limiting the sliding of the driven wheel (15).

5. The water cooling device for optical cable jacket production according to claim 4, characterized in that: The first straight cylinder (7) is rotatably limited by a snap ring (14) on the outer wall, the outer wall of the assembly plate (5) is fixedly installed with an electric push rod (17), and the output end of the electric push rod (17) is fixedly connected with the outer wall of the snap ring (14).

6. The water cooling device for optical cable jacket production according to any one of claims 1-5, characterized in that: The top of the positioning sleeve (6) is provided with an inlet pipe (4) communicated with the function cavity, the inner wall of the positioning sleeve (6) at the lowest position is provided with a sewage discharge opening, a controllable switch is installed at the sewage discharge opening, and a water return groove (18) is further installed on the outer wall of the assembly shell (1), the water return groove (18) surrounds the assembly shell (1), and water cooling medium flows in the water return groove (18).

7. The water cooling device for optical cable jacket production according to claim 6, characterized in that: The controllable switch comprises a device box (12) fixedly installed below the sewage outlet, the device box (12) is fixedly installed on the outer wall of the positioning sleeve (6), an arc-shaped valve plate (13) is slidably installed in the device box (12), the top arc wall of the arc-shaped valve plate (13) is in the same arc surface with the inner wall of the positioning sleeve (6), a pneumatic push rod for controlling the up-down displacement of the arc-shaped valve plate (13) is installed in the device box (12), and a discharge port is formed in the side wall of the device box (12).

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