阅读说明：本技术 一种光缆生产用快速冷却设备 (Optical cable production is with quick cooling arrangement ) 是由 许付宾 薛常勇 许丹丹 周金全 张道明 李宁宁 于 2021-08-03 设计创作，主要内容包括：本申请涉及一种光缆生产用快速冷却设备,包括支撑架、设置于支撑架的第一冷却槽和第二冷却槽,所述第一冷却槽位于第二冷却槽的上游,所述第一冷却槽的两端、第二冷却槽的两端均开设有供光缆线穿过的排液口,所述第一冷却槽和第二冷却槽均盛放有冷却液,第一冷却槽和第二冷却槽的上方设置有用于向第一冷却槽内、第二冷却槽内输入冷却液的第一输液管和第二输液管,第一冷却槽的冷却液温度高于第二冷却槽的冷却液温度。本申请具有提高护套包层表面的光滑度的效果。(The utility model relates to an optical cable production is with quick cooling arrangement, include the support frame, set up in the first cooling bath and the second cooling bath of support frame, first cooling bath is located the upper reaches of second cooling bath, the leakage fluid dram that supplies the optical cable to pass is all seted up at the both ends of first cooling bath, the both ends of second cooling bath, first cooling bath and second cooling bath have all held the coolant liquid, and the top of first cooling bath and second cooling bath is provided with first transfer line and the second transfer line that is used for to input the coolant liquid in first cooling bath, the second cooling bath, and the coolant liquid temperature of first cooling bath is higher than the coolant liquid temperature of second cooling bath. The present application has the effect of improving the smoothness of the jacket cladding surface.)

1. The utility model provides an optical cable production is with quick cooling arrangement which characterized in that: including support frame (1), set up in first cooling bath (3) and second cooling bath (4) of support frame (1), first cooling bath (3) are located the upper reaches of second cooling bath (4), leakage fluid dram (14) that supply the optical cable to pass are all seted up at the both ends of first cooling bath (3), the both ends of second cooling bath (4), first cooling bath (3) and second cooling bath (4) all hold the coolant liquid, and the top of first cooling bath (3) and second cooling bath (4) is provided with first transfer line (11) and second transfer line (12) that are used for to first cooling bath (3) in, the input coolant liquid in second cooling bath (4), and the coolant liquid temperature of first cooling bath (3) is higher than the coolant liquid temperature of second cooling bath (4).

2. The rapid cooling apparatus for optical cable production according to claim 1, wherein: still including setting up in catch basin (2) of support frame (1), catch basin (2) are provided with baffle (21) that separate into high temperature chamber (22) and low temperature chamber (23) with the inner chamber of catch basin (2), place high temperature chamber (22) in first cooling trough (3), place low temperature chamber (23) in second cooling trough (4), catch basin (2) are provided with respectively and carry out circulation reflux's first circulating device (5) and carry out circulation reflux's second circulating device (6) to the coolant liquid in low temperature chamber (23) to the coolant liquid in high temperature chamber (22).

3. The rapid cooling apparatus for optical cable production according to claim 2, wherein: the first circulating device (5) comprises a first circulating pipe (51) with one end communicated with the high-temperature cavity (22), a first circulating pump (53) arranged on the first circulating pipe (51) to provide conveying pressure and a heating box (54) communicated with the other end of the first circulating pipe (51), and the first infusion pipe (11) is communicated with the heating box (54).

4. The rapid cooling apparatus for optical cable production according to claim 2, wherein: the second circulating device (6) comprises a second circulating pipe (61) with one end communicated with the low-temperature cavity (23), a second circulating pump (63) arranged on the second circulating pipe (61) to provide conveying pressure and a refrigerating box (64) communicated with the other end of the second circulating pipe (61), and the second liquid conveying pipe (12) is communicated with the refrigerating box (64).

5. The rapid cooling apparatus for optical cable production according to claim 2, wherein: the water collecting tank (2) is provided with a first filter screen plate (24) and a second filter screen plate (25) which are respectively arranged in the high-temperature cavity (22) and the low-temperature cavity (23) correspondingly, the first filter screen plate (24) is positioned below the first cooling tank (3), and the second filter screen plate (25) is positioned below the second cooling tank (4).

6. The rapid cooling apparatus for optical cable production according to claim 5, wherein: chute (26) along vertical extension are seted up to the inside wall of catch basin (2), and chute (26) are provided with a plurality ofly and distribute along the length direction of catch basin (2), the lateral wall of first cooling bath (3), the lateral wall of second cooling bath (4) all the protrusion is provided with slide and connects slider (31) in chute (26), catch basin (2) are provided with adjusting device (7) of adjusting first cooling bath (3), second cooling bath (4) high position.

7. The rapid cooling apparatus for optical cable production according to claim 6, wherein: adjusting device (7) are including rotating transmission lead screw (71) and the adjusting hand wheel (72) of fixed connection in transmission lead screw (71) of connecting in spout (26) inner wall, and the axis of transmission lead screw (71) is vertical setting, and slider (31) are worn to locate by transmission lead screw (71) screw thread.

8. The rapid cooling apparatus for optical cable production according to claim 6, wherein: the first cooling tank (3) and the first filter screen plate (24) are detachably connected, and the second cooling tank (4) and the second filter screen plate (25) are detachably connected through a connecting mechanism (8).

9. The rapid cooling apparatus for optical cable production according to claim 8, wherein: coupling mechanism (8) inhale seat (82) including linking arm (81) and fixed connection in linking arm (81) of first cooling bath (3) bottom outer wall and second cooling bath (4) bottom outer wall, magnetism inhale seat (82) are provided with and carry out the magnetic attraction piece that adsorbs first filter screen board (24) and second filter screen board (25).

10. The rapid cooling apparatus for optical cable production according to claim 9, wherein: linking arm (81) include fixed connection in connecting pipe (811) of first cooling bath (3) bottom outer wall and second cooling bath (4) bottom outer wall and slide and insert connecting rod (812) of locating connecting pipe (811), and seat (82) fixed connection is inhaled in the magnetism in the lower part of connecting rod (812), high temperature chamber (22) inside wall, low temperature chamber (23) inside wall all bulge and are provided with spacing protruding edge (27), first filter plate (24) and second filter plate (25) all butt in the up end of spacing protruding edge (27).

Technical Field

The application relates to the technical field of cable production, in particular to a rapid cooling device for optical cable production.

Background

Optical fiber is a short term for optical fiber, and is a light conduction tool using the principle of total reflection in a fiber made of glass or plastic. The optical cable mainly comprises a cable core and a sheath outside the cable core, wherein the cable core and the sheath are formed by a certain number of optical fibers according to a certain mode, in the optical cable processing and manufacturing process, plastic is melted by a sheath extruding machine and is wrapped around a plurality of optical fibers to form a sheath cladding for ensuring the normal use of the optical cable, and the sheath cladding needs to be cooled after being formed.

At present, chinese patent with publication number CN204494938U discloses a cooling device, the device includes a cooling tank provided with at least one set of through-hole through which a wire rod can pass, one end of the cooling tank is passed through the cooling liquid through pipe of the side wall of the cooling tank, and a cooling liquid storage device communicated with the other end of the cooling liquid through pipe and arranged outside the cooling tank, wherein the vertical distance from the cooling tank to the bottom surface of the cooling tank is not less than the vertical distance from the through-hole to the bottom of the cooling tank.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: the optical cable formed by the sheath cladding passes through the through holes at the two ends of the cooling pool for cooling, and the outside of the cooled sheath cladding has wrinkle grains, which affects the smoothness of the surface of the sheath cladding, so that further improvement is needed.

Disclosure of Invention

In order to improve the smoothness of the surface of the sheath cladding, the application provides a rapid cooling device for producing an optical cable.

The application provides a quick cooling arrangement for optical cable production adopts following technical scheme:

the utility model provides an optical cable production is with quick cooling arrangement, includes the support frame, sets up in the first cooling bath and the second cooling bath of support frame, first cooling bath is located the upper reaches of second cooling bath, the leakage fluid dram that supplies the optical cable to pass is all seted up at the both ends of first cooling bath, the both ends of second cooling bath, first cooling bath and second cooling bath have all held the coolant liquid, and the top of first cooling bath and second cooling bath is provided with first transfer line and the second transfer line that is used for to first cooling bath, second cooling bath input coolant liquid, and the coolant liquid temperature of first cooling bath is higher than the coolant liquid temperature of second cooling bath.

Through adopting above-mentioned technical scheme, the optic cable passes the leakage fluid dram and then passes from first cooling bath and second cooling bath, carry, first transfer line and second transfer line input coolant liquid respectively to first cooling bath and second cooling bath, the coolant liquid flows out from the leakage fluid dram simultaneously, utilize the flow velocity difference, the coolant liquid forms certain liquid level height in first cooling bath and second cooling bath, with the optic cable submergence, the coolant liquid temperature of first cooling bath is higher than the coolant liquid temperature of second cooling bath, thereby carry out progressively cooling to the optic cable, progressively carry out destressing to the sheath cladding, and then effectively reduce the outside possibility that has the fold line of sheath cladding after the cooling, improve the smoothness on sheath cladding surface.

Preferably, still including setting up in the catch basin of support frame, the catch basin is provided with the baffle that separates into high temperature chamber and low temperature chamber with the inner chamber of catch basin, place high temperature chamber in the first cooling bath, place low temperature chamber in the second cooling bath, the catch basin is provided with the first circulating device who carries out circulation backward flow to the coolant liquid in the high temperature chamber and carries out circulation backward flow's second circulating device to the coolant liquid in the low temperature chamber respectively.

Through adopting above-mentioned technical scheme, be provided with the catch basin, the coolant liquid in the first cooling tank falls into the high temperature intracavity through the leakage fluid dram, carries out cyclic utilization through first circulating device, and the coolant liquid in the second cooling tank passes through the leakage fluid dram and emits into the low temperature intracavity, carries out cyclic utilization through second circulating device.

Preferably, the first circulation device comprises a first circulation pipe, a first circulation pump and a heating box, wherein one end of the first circulation pipe is communicated with the high-temperature cavity, the first circulation pump is arranged on the first circulation pipe to provide conveying pressure, the heating box is communicated with the other end of the first circulation pipe, and the first infusion pipe is communicated with the heating box.

Through adopting above-mentioned technical scheme, first circulating pump provides delivery pressure, and the coolant liquid pump that will discharge into the high temperature chamber heats to the heating cabinet in, and rethread first transfer line flows back to first cooling bath and carries out first cooling, cyclic utilization to the optical cable.

Preferably, the second circulating device comprises a second circulating pipe, a second circulating pump and a refrigerating box, wherein one end of the second circulating pipe is communicated with the low-temperature cavity, the second circulating pump is arranged on the second circulating pipe to provide conveying pressure, the refrigerating box is communicated with the other end of the second circulating pipe, and the second liquid conveying pipe is communicated with the refrigerating box.

Through adopting above-mentioned technical scheme, the second circulating pump provides delivery pressure, and the coolant liquid pump that will discharge into the low temperature chamber refrigerates to the refrigeration incasement, and rethread second transfer line flows back to the second cooling bath and carries out secondary cooling to the optical cable and handle, cyclic utilization.

Preferably, the water collecting tank is provided with a first filter screen plate and a second filter screen plate which are respectively arranged in the high-temperature cavity and the low-temperature cavity in a corresponding mode, the first filter screen plate is located below the first cooling tank, and the second filter screen plate is located below the second cooling tank.

By adopting the technical scheme, the first filter screen plate and the second filter screen plate are arranged to respectively filter the impurities discharged into the high-temperature cavity and the low-temperature cavity, so that the possibility that the impurities enter the first circulating pipe and the second circulating pipe is effectively reduced, and the possibility that the first circulating pipe and the second circulating pipe are blocked is reduced.

Preferably, the inside wall of catch basin sets up along the spout of vertical extension, and the spout is provided with a plurality ofly and distributes along the length direction of catch basin, the lateral wall of first cooling bath, the lateral wall of second cooling bath all the protrusion is provided with the slider of sliding connection in the spout, the catch basin is provided with the adjusting device who adjusts first cooling bath, second cooling bath high position.

By adopting the technical scheme, the sliding type assembly of the first cooling tank, the second cooling tank and the water collecting tank is realized by arranging the sliding chute and the sliding block, and the height positions of the first cooling tank and the second cooling tank are adjusted by the adjusting device, so that the cooling device is convenient to adapt to sheath plastic extruders of different models and the application range of the cooling device is expanded; on one hand, according to the liquid level conditions in the first cooling tank and the second cooling tank, the height positions of the first cooling tank and the second cooling tank are adjusted, so that the optical cable is completely immersed in the cooling liquid; on the other hand, when needing to filter first filter plate and second filter plate and carry out the dismouting, adjust first cooling bath, second cooling bath to suitable high position, provide suitable dismouting space to filter first filter plate and second and filter the plate and carry out the dismouting.

Preferably, adjusting device is including rotating the adjusting hand wheel of connecting in the transmission lead screw of spout inner wall and fixed connection in transmission lead screw, and the axis of transmission lead screw is vertical setting, and the slider is worn to locate by the transmission lead screw thread.

Through adopting above-mentioned technical scheme, when adjusting first cooling bath, second cooling bath height position, rotate the hand wheel and drive the rotation of transmission lead screw to realize the lift of first cooling bath and second cooling bath and slide.

Preferably, the first cooling tank and the first filter screen plate, and the second cooling tank and the second filter screen plate are detachably connected through a connecting mechanism.

By adopting the technical scheme, when the first filter screen plate or the second filter screen plate is detached and cleaned, the adjusting device drives the first cooling tank or the second cooling tank to ascend, the first filter screen plate or the second filter screen plate is driven to ascend through the connecting mechanism, so that the first filter screen plate or the second filter screen plate is separated from the water collecting tank, and the first filter screen plate or the second filter screen plate is detached and cleaned through the connecting mechanism.

Preferably, coupling mechanism includes that fixed connection inhales the seat in the linking arm and the magnetism of fixed connection in linking arm lower part in first cooling tank bottom outer wall and second cooling tank bottom outer wall, and magnetism is inhaled the seat and is provided with and carries out the piece of adsorbing to first filter screen board and second filter screen board.

Through adopting above-mentioned technical scheme, it adsorbs first filter plate and second filter plate to be provided with magnetism and inhale the piece, first cooling bath or second cooling bath are at the ascending in-process, it rises together with the second filter plate to drive first filter plate and second through the linking arm, when first filter plate or second filter plate rise to suitable position, the staff filters the otter board to first filter plate or second and exerts the effort, make first filter plate or second filter plate and linking arm separation, thereby the dismantlement that the otter board was filtered to first filter plate or second is realized.

Preferably, the linking arm includes fixed connection in the connecting pipe of fixed connection in first cooling tank bottom outer wall and second cooling tank bottom outer wall and slides and insert the connecting rod of locating the connecting pipe, and seat fixed connection is inhaled to magnetism is in the lower part of connecting rod, high temperature intracavity lateral wall, low temperature intracavity lateral wall all bulge and are provided with spacing protruding edge, first filter plate and second filter plate all butt in the up end on spacing protruding edge.

Through adopting above-mentioned technical scheme, the connecting rod slides and inserts and locates the connecting pipe to make the linking arm have certain flexible change volume, when highly carrying out the fine setting to first cooling bath and second cooling bath, the linking arm compensates its regulating variable, thereby make first filter plate and second filter plate butt all the time in the up end on spacing protruding edge.

In summary, the present application includes at least one of the following beneficial technical effects:

the optical cable penetrates through the liquid outlet and then penetrates through the first cooling groove and the second cooling groove to be conveyed, cooling liquid is respectively input into the first cooling groove and the second cooling groove through the first liquid conveying pipe and the second liquid conveying pipe, the cooling liquid flows out of the liquid outlet at the same time, a certain liquid level height is formed in the first cooling groove and the second cooling groove through the cooling liquid, the optical cable is immersed, the temperature of the cooling liquid in the first cooling groove is higher than that of the cooling liquid in the second cooling groove, so that the optical cable is cooled gradually, the stress removal treatment is carried out on the sheath layer gradually, the possibility that wrinkles exist on the outside of the cooled sheath layer is effectively reduced, and the smoothness of the surface of the sheath layer is improved;

the adjusting device adjusts the height positions of the first cooling groove and the second cooling groove, on one hand, the cooling device is convenient to adapt to sheath extruders of different models, and the application range of the cooling device is widened; on one hand, according to the liquid level conditions in the first cooling tank and the second cooling tank, the height positions of the first cooling tank and the second cooling tank are adjusted, so that the optical cable is completely immersed in the cooling liquid; on the other hand, when needing to filter first filter plate and second filter plate and carry out the dismouting, adjust first cooling bath, second cooling bath to suitable high position, provide suitable dismouting space to filter first filter plate and second and filter the plate and carry out the dismouting.

Drawings

Fig. 1 is a schematic view of the overall structure of a rapid cooling apparatus for manufacturing an optical cable according to example 1.

Fig. 2 is a schematic structural view of the first circulating apparatus and the second circulating apparatus in example 1.

FIG. 3 is a schematic view showing the structure of a sump according to example 1.

Fig. 4 is a schematic view showing the overall structure of the sump, the first cooling tank and the second cooling tank in embodiment 2.

FIG. 5 is a schematic view showing the internal structure of the sump according to example 2.

Fig. 6 is a schematic structural view of the adjusting device in embodiment 2.

Fig. 7 is a schematic structural view of the connecting mechanism and the adjusting mechanism in embodiment 2.

Description of reference numerals: 1. a support frame; 10. a plastic extruding machine; 11. a first infusion tube; 12. a second infusion tube; 13. a baffle plate; 14. a liquid discharge port; 2. a water collecting tank; 21. a partition plate; 22. a high temperature chamber; 23. a low temperature chamber; 24. a first filter screen plate; 25. a second filter screen plate; 26. a chute; 27. a limiting convex edge; 3. a first cooling tank; 31. a slider; 32. a balloon body; 33. a limiting rod; 4. a second cooling tank; 5. a first circulating means; 51. a first circulation pipe; 52. a first movable frame; 53. a first circulation pump; 54. a heating box; 6. a second circulation device; 61. a second circulation pipe; 62. a second movable frame; 63. a second circulation pump; 64. a refrigeration case; 7. an adjustment device; 71. a transmission screw rod; 72. adjusting a hand wheel; 73. a transmission assembly; 731. a drive sprocket; 732. a drive chain; 8. a connecting mechanism; 81. a connecting arm; 811. a connecting pipe; 812. a connecting rod; 82. a magnetic attraction seat; 9. an adjustment mechanism; 91. an air pump; 92. a header pipe; 93. a branch pipe; .

Detailed Description

The present application is described in further detail below with reference to figures 1-7.

The embodiment of the application discloses optical cable production is with quick cooling arrangement.

Example 1:

referring to fig. 1, a rapid cooling apparatus for manufacturing an optical cable includes a support frame 1 located at a downstream of an extruder 10, a water collecting tank 2, a first cooling tank 3 and a second cooling tank 4, wherein the water collecting tank 2 is fixedly connected to the support frame 1, the first cooling tank 3 and the second cooling tank 4 are both arranged in the water collecting tank 2, and the first cooling tank 3 is located at an upstream of the second cooling tank 4.

Referring to fig. 2 and 3, the water collecting tank 2 is fixedly connected with a partition plate 21 which divides the inner cavity of the water collecting tank 2 into a high temperature cavity 22 and a low temperature cavity 23, the upper end surface of the partition plate 21 is positioned below the optical cable, the first cooling tank 3 is arranged in the high temperature cavity 22, and the second cooling tank 4 is arranged in the low temperature cavity 23. The water collecting tank 2 is fixedly connected with a first filter screen plate 24 and a second filter screen plate 25 which are respectively arranged in the high-temperature cavity 22 and the low-temperature cavity 23 in a corresponding mode, the first filter screen plate 24 and the second filter screen plate 25 are all iron plates, the first filter screen plate 24 is located below the first cooling tank 3, and the second filter screen plate 25 is located below the second cooling tank 4.

Referring to fig. 2 and 3, baffles 13 are disposed at both ends of the first cooling tank 3 and both ends of the second cooling tank 4, and the baffles 13 are provided with liquid discharge ports 14 through which optical cables pass. The first cooling tank 3 and the second cooling tank 4 both contain cooling liquid, a first infusion tube 11 and a second infusion tube 12 for inputting the cooling liquid into the first cooling tank 3 and the second cooling tank 4 are arranged above the first cooling tank 3 and the second cooling tank 4, the temperature of the cooling liquid in the first cooling tank 3 is higher than that of the cooling liquid in the second cooling tank 4, specifically, the temperature of the cooling liquid in the first cooling tank 3 is set to be 30-45 ℃, and the temperature of the cooling liquid in the second cooling tank 4 is set to be 15-25 ℃.

Referring to fig. 2 and 3, the sump 2 is provided with a first circulation device 5 for circulating and refluxing the coolant in the high temperature chamber 22 and a second circulation device 6 for circulating and refluxing the coolant in the low temperature chamber 23, respectively. The first circulation device 5 includes a first circulation pipe 51 having one end communicating with the inner wall of the bottom of the high temperature chamber 22, a first movable frame 52 located at one side of the water collecting tank 2, a first circulation pump 53 fixedly connected to the first movable frame 52 for providing a conveying pressure, and a heating tank 54 fixedly connected to the first movable frame 52 and communicating with the other end of the first circulation pipe 51, wherein the first infusion pipe 11 is communicated with the heating tank 54. The second circulation device 6 includes a second circulation pipe 61 having one end connected to the low temperature chamber 23, a second movable frame 62 located at one side of the water collecting tank 2, a second circulation pump 63 fixedly connected to the second movable frame 62 for providing a conveying pressure, and a refrigeration box 64 fixedly connected to the second movable frame 62 and connected to the other end of the second circulation pipe 61, the second liquid pipe 12 is connected to the refrigeration box 64, and the first circulation pipe 51 and the second circulation pipe 61 are hoses.

The implementation principle of the embodiment 1 is as follows: an optical cable discharged from a discharge port of an extruding machine 10 passes through a liquid discharge port 14 and then passes through a first cooling tank 3 and a second cooling tank 4 for conveying, a first liquid conveying pipe 11 and a second liquid conveying pipe 12 respectively convey cooling liquid into the first cooling tank 3 and the second cooling tank 4, the cooling liquid simultaneously flows to a water collecting tank 2 from the liquid discharge port 14, the cooling liquid forms a certain liquid level height in the first cooling tank 3 and the second cooling tank 4 by utilizing flow speed difference, the optical cable is immersed, the temperature of the cooling liquid of the first cooling tank 3 is higher than that of the cooling liquid of the second cooling tank 4, so that the optical cable is gradually cooled and cooled, the stress removal treatment is gradually carried out on the sheath cladding, the possibility of wrinkle lines existing outside the cooled sheath cladding is effectively reduced, and the smoothness of the surface of the sheath cladding is improved; first circulating pump 53 provides delivery pressure, pumps the coolant liquid that discharges into high temperature chamber 22 and heats in heating box 54, and rethread first transfer line 11 flows back to first cooling bath 3 and carries out primary cooling to the optical cable, and second circulating pump 63 provides delivery pressure, pumps the coolant liquid that discharges into low temperature chamber 23 and refrigerates in refrigerating box 64, and rethread second transfer line 12 flows back to second cooling bath 4 and carries out secondary cooling to the optical cable.

Example 2:

referring to fig. 4, the difference between this embodiment and embodiment 1 is that a chute 26 extending vertically is formed in the inner side wall of the water collecting tank 2, the chute 26 is provided with a plurality of chutes which are distributed along the length direction of the water collecting tank 2, the outer side wall of the first cooling tank 3 and the outer side wall of the second cooling tank 4 are both provided with a sliding block 31 connected to the chute 26 in a sliding manner, and the water collecting tank 2 is provided with an adjusting device 7 for adjusting the height positions of the first cooling tank 3 and the second cooling tank 4.

Referring to fig. 5 and 6, the adjusting device 7 includes a transmission screw 71 with a lower portion rotatably connected to the inner wall of the chute 26 and an adjusting hand wheel 72 coaxially and fixedly connected to the upper portion of the transmission screw 71, the axis of the transmission screw 71 is vertically arranged, the transmission screw 71 is threaded through the slider 31, in this embodiment, the first cooling tank 3 and the second cooling tank 4 are both provided with two sets of adjusting devices 7, and a transmission assembly 73 is arranged between the two sets of adjusting devices 7 on the first cooling tank 3 and the second cooling tank 4. The transmission assembly 73 includes two transmission sprockets 731 coaxially and fixedly sleeved on the two transmission screws 71, and a transmission chain 732 engaged and wound around the two transmission sprockets 731. The inner side walls of the high-temperature cavity 22 and the low-temperature cavity 23 of the first filter screen plate 24 and the second filter screen plate 25 are respectively provided with a limiting convex edge 27 in a protruding mode and are respectively abutted to the upper end face of the limiting convex edge 27.

Referring to fig. 6 and 7, the first cooling tank 3 and the first filter screen plate 24, and the second cooling tank 4 and the second filter screen plate 25 are detachably connected by a connection mechanism 8, taking the first cooling tank 3 as an example, the connection mechanism 8 includes a connection arm 81 fixedly connected to the outer wall of the bottom of the first cooling tank 3 and a magnetic attraction seat 82 fixedly connected to the lower portion of the connection arm 81, the connection arm 81 is provided with a plurality of magnetic attraction pieces which are distributed along the length direction of the first cooling tank 3, the magnetic attraction seat 82 is fixed with the magnetic attraction pieces which attract the first filter screen plate 24, and the magnetic attraction pieces are magnets. The connecting arm 81 comprises a connecting pipe 811 fixedly connected to the outer wall of the bottom of the first cooling tank 3 and a connecting rod 812 slidably inserted into the connecting pipe 811 along the axial direction of the connecting pipe 811, the axis of the connecting pipe 811 is vertically arranged, and the magnetic attraction seat 82 is fixedly connected to the lower part of the connecting rod 812.

The cross section of first cooling bath 3, second cooling bath 4 is "Contraband" setting, and the equal fixedly connected with gasbag body 32 of both ends inside wall of first cooling bath 3, the both ends inside wall of second cooling bath 4 lies in and forms leakage fluid dram 14 between two gasbag bodies 32 of same end, and first cooling bath 3 and second cooling bath 4 all are provided with the adjustment mechanism 9 that aerifys or deflate gasbag body 32. Taking the first cooling tank 3 as an example, the adjusting mechanism 9 includes a micro air pump 91 fixedly connected to the upper end surface of the first cooling tank 3, a manifold 92 connected to the air pump 91, and branch pipes 93 respectively communicated with the two air bag bodies 32 at the same end, and the branch pipes 93 are communicated with the manifold 92. The inside wall fixedly connected with of first cooling bath 3 is located the gag lever post 33 of the gasbag body 32 both sides, and the axis direction of gag lever post 33 is on a parallel with the width direction of first cooling bath 3, and gag lever post 33 is provided with many and follows vertical distribution.

When the liquid level heights of the cooling liquids in the first cooling tank 3 and the second cooling tank 4 need to be adjusted, the air pump 91 inflates or deflates the air bag body 32, the air bag body 32 is limited by the limiting rod 33 to expand or contract in the width direction of the cooling tanks, the distance between the two air bag bodies 32 is adjusted, the opening size of the liquid discharge port 14 is adjusted, the flow speed difference is adjusted, and liquid level adjustment is achieved.

The implementation principle of the embodiment 2 is as follows: the adjusting hand wheel 72 is rotated to drive the transmission screw rod 71 to rotate, so that the height positions of the first cooling tank 3 and the second cooling tank 4 are adjusted, on one hand, the jacket plastic extruding machine 10 is convenient to adapt to different models, and the application range of the cooling equipment is widened; on one hand, according to the liquid level conditions in the first cooling tank 3 and the second cooling tank 4, the height positions of the first cooling tank 3 and the second cooling tank 4 are adjusted, so that the optical cable is completely immersed in the cooling liquid; on the other hand, when the first filter screen plate 24 and the second filter screen plate 25 need to be disassembled and assembled, the first cooling tank 3 and the second cooling tank 4 are adjusted to proper height positions, and a proper disassembling and assembling space is provided, so that the first filter screen plate 24 and the second filter screen plate 25 can be conveniently disassembled and assembled.

When the first filter screen plate 24 or the second filter screen plate 25 is detached and cleaned, the adjusting device 7 drives the first cooling tank 3 or the second cooling tank 4 to ascend, the connecting arm 81 drives the first filter screen plate 24 or the second filter screen plate 25 to ascend together, when the first filter screen plate 24 or the second filter screen plate 25 ascends to a proper position, a worker applies an acting force to the first filter screen plate 24 or the second filter screen plate 25, so that the first filter screen plate 24 or the second filter screen plate 25 is separated from the magnetic suction seat 82, and the first filter screen plate 24 or the second filter screen plate 25 is detached.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.