A cooling water tank device for cable production

Abstract

The utility model discloses a cooling water tank device for cable production belongs to cable production technical field, and this device includes the tank body, and the tank body one end is equipped with the feed port, and the other end is equipped with the discharge gate, and the feed port is equipped with the import cushion block, and the discharge gate is equipped with the export cushion block, and the tank body is equipped with first partition block and second partition block, and first partition block and second partition block divide the space in the tank body into first work area, second work area and third work area, and first partition block is equipped with first through -groove, and second partition block is equipped with second through -groove, and be equipped with the heater in first work area. The utility model discloses the heater in first work area can improve the water temperature of cooling water in first work area quickly, prevents the insulation layer and cracks suddenly, and the water temperature of cooling water in second work area and third work area is lower than first work area, guarantees the cooling setting effect of insulation layer, and the feed port and discharge gate all set up the cushion block, and the cushion block that absorbs full water has the cooling effect when contacting the cable line.

Description

Technical Field

[0001] This utility model belongs to the field of cable production technology, and specifically relates to a cooling water tank device for cable production. Background Technology

[0002] In cable production, the insulation layer covering the conductor is typically extruded and wrapped around the conductor using a cable extruder. A cooling water tank is usually installed behind the extruder to cool and shape the insulation layer, ensuring the plastic layer is neatly fixed to the outside of the conductor. However, excessively low cooling water temperatures can affect the quality of the insulation layer's shaping, leading to cracking. Therefore, some existing cooling water tanks are equipped with heaters to heat the cooling water. However, these heaters heat the entire water tank, resulting in slow heating, significant heat loss, and excessively high water temperatures can also negatively impact the insulation layer's shaping effect. Utility Model Content

[0003] The technical problem solved by this utility model is to provide a cooling water tank device for cable production that can prevent the insulation layer from cracking due to sudden cooling while ensuring the shaping effect of the insulation layer.

[0004] Technical solution: To solve the above-mentioned technical problems, the technical solution adopted by this utility model is as follows:

[0005] A cooling water tank device for cable production includes a tank body for containing cooling water. One end of the tank body has a feed inlet, and the other end has a discharge outlet. The feed inlet has an inlet pad, and the discharge outlet has an outlet pad. The tank body has a first partition block and a second partition block, which divide the internal space of the tank body into a first working area, a second working area, and a third working area. The first partition block has a first through groove, and the second partition block has a second through groove. A heater is provided in the first working area.

[0006] Furthermore, the tank is connected to a circulation pump, the inlet of the circulation pump is connected to the second working area through a first circulation pipe, and the outlet of the circulation pump is connected to the third working area through a second circulation pipe.

[0007] Furthermore, the outlet end of the circulating pump is connected to a filter.

[0008] Furthermore, the inlet end of the circulating pump is connected to the first working area through a third circulating pipe.

[0009] Furthermore, a first water hopper is connected to the inlet end of the tank, and a second water hopper is connected to the outlet end. Both the first and second water hoppers are connected to the water tank.

[0010] Furthermore, the water tank is connected to the tank body via a water replenishment pump.

[0011] Furthermore, the height of the tank is H, and the heights of the inlet pad and the outlet pad are both h, where h ≥ H / 2.

[0012] Furthermore, the tank is equipped with a first temperature sensor corresponding to the first working area and a second temperature sensor corresponding to the third working area.

[0013] Furthermore, the tank is provided with a plurality of wire-supporting rollers, which are spaced apart along the length of the tank.

[0014] Furthermore, both the first and second drain hoppers are equipped with filter cotton.

[0015] Beneficial effects: Compared with the prior art, the present invention has the following advantages:

[0016] 1. The tank is divided into a first working area, a second working area and a third working area by setting up partition blocks. A heater is installed in the first working area to quickly increase the temperature of the cooling water in the first working area and prevent the insulation layer from cracking due to sudden cooling. The temperature of the cooling water in the second and third working areas is lower than that in the first working area to ensure the cooling and shaping effect of the insulation layer.

[0017] 2. Both the inlet and outlet are equipped with pads made of high-density sponge. After being fully soaked in water, the pads can support the passing cables and prevent them from scraping against the tank. The water-soaked pads also have a cooling effect when they come into contact with the cables.

[0018] 3. Install a circulating pump and filter to circulate and filter the cooling water in the tank, which can ensure the water quality in the tank;

[0019] 4. At the same time, a third circulation pipe is set up to connect the first working area with the circulation pump. When used in a low-temperature environment, the water in the first working area can be used to increase the cooling water temperature in the third working area. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the cooling water tank device according to an embodiment of the present invention;

[0021] Figure 2 This is a top view of the tank structure in the embodiment;

[0022] Figure 3 This is a schematic diagram of the structure at the feed inlet of the embodiment;

[0023] Figure 4 This is a schematic diagram of the structure at the first partition block in the embodiment;

[0024] Figure 5 This is a schematic diagram of the working state of the embodiment. Detailed Implementation

[0025] The present invention will be further illustrated below with reference to specific embodiments. The embodiments are implemented based on the technical solution of the present invention. It should be understood that these embodiments are only used to illustrate the present invention and are not intended to limit the scope of the present invention.

[0026] like Figure 1 , Figure 2 and Figure 3 As shown, a cooling water tank device for cable production includes a tank body 1. In this embodiment, the tank body 1 is rectangular and has an opening at the top. The tank body 1 is used to hold cooling water for cooling the cable 91 that has just come out of the extruder, so that the insulation layer on the outside of the conductor is cooled and shaped. The tank body 1 has two ends in the length direction. One end is provided with a feed inlet 11 and the other end is provided with a discharge outlet 12. The feed inlet 11 is provided with an inlet pad 13. Four first positioning plates 111 are provided at the feed inlet 11. The four first positioning plates 111 are respectively disposed on the inner side of the two side walls of the tank body 1. The first positioning plates 111 on the two side walls of the tank body 1 are arranged opposite to each other. The four first positioning plates 111 form a first positioning groove at the feed inlet 11. The inlet pad 13 is a rectangular block and is placed in the first positioning groove (directly inserted from the top, with an interference fit). The inlet pad 13 is made of a flexible porous material. In this embodiment, the inlet pad 13 is made of high-density sponge with a sponge density greater than 25 kg / m³. 3 When the inlet pad 13 is placed in the first positioning groove at the inlet 11, one side is in contact with the cooling water in the tank 1. Due to the porous nature of the sponge, the inlet pad 13 absorbs water under capillary action, and the inlet pad 13 forms a barrier against the cooling water in the tank 1 (complete sealing is not required). Corresponding to the inlet 11, the outlet 12 is provided with an outlet pad 14. The outlet pad 14 has the same shape as the inlet pad 13 and is made of the same high-density sponge. The outlet 12 is also provided with four first positioning grooves. Plate 111 forms a second positioning groove at the discharge port 12 through four first positioning plates 111. The outlet pad 14 is placed in the second positioning groove. The outlet pad 14 is also filled with water and also forms a barrier to the cooling water in the tank 1. The height of the tank 1 is H, and the heights of the inlet pad 13 and the outlet pad 14 are both h, where h ≥ H / 2. By setting two pads at both ends of the tank 1, the cooling water in the tank 1 can be kept to accumulate to a certain height, which is up to the same height as the two pads. If the water level rises further, it will overflow.

[0027] like Figure 1 , Figure 2 and Figure 4As shown, the tank 1 is provided with a first partition block 21 and a second partition block 22, which divide the space inside the tank 1 into a first working area 101, a second working area 102, and a third working area 103. The first partition block 21 and the second partition block 22 are located at two equal divisions of the tank 1, so that the first working area 101, the second working area 102, and the third working area 103 have the same length. The first working area 101 is located at one end where the feed inlet 11 is located, the third working area 103 is located at one end where the discharge outlet 12 is located, and the second working area 102 is located between the first working area 101 and the third working area 103. The first partition block 21 is provided with a first through groove 211, which is located in the middle of the first partition block 21 and extends downward from the upper end of the first partition block 21. The depth of the first through groove 211 is greater than half the height of the first partition block 21, allowing the cable 91 to pass through. Figure 4 (The dashed line represents the water level). The first working area 101 is connected to the second working area 102 through the first through groove 211. The second partition block 22 is provided with a second through groove 221. The shape of the second partition block 22 is the same as that of the first partition block 21, and the shape of the second through groove 221 is the same as that of the first through groove 211. The second working area 102 is connected to the third working area 103 through the second through groove 221. In this embodiment, both the first partition block 21 and the second partition block 22 are made of high-density sponge, using the same material as the two pads. At the same time, the first partition block 21 and the second partition block 22 are also provided with positioning plates similar to the first positioning plate 111, forming positioning grooves to restrict the first partition block 21 or the second partition block 22. The first partition block 21 or the second partition block 22 is inserted into the positioning grooves to complete the fixation. The first through groove 211 and the second through groove 221 allow the cable to pass through, and when the cable position is too low, the two partition blocks can provide a certain degree of support.

[0028] like Figure 1 and Figure 5 As shown, the tank 1 is provided with a plurality of wire support rollers 19, which are spaced apart along the length of the tank 1. Each wire support roller 19 includes an intermediate shaft and a roller rotatably connected to the intermediate shaft. The intermediate shaft of the wire support roller 19 is fixedly connected to the two side walls of the tank 1, and the roller is rotatably connected to the intermediate shaft through bearings. The plurality of wire support rollers 19 are all set below the waterline and can play a supporting role when the cable passes through. In this embodiment, the wire support rollers 19 are existing nylon rollers.

[0029] like Figure 1 and Figure 2As shown, a heater 3 is provided in the first working area 101. The heater 3 is an existing electric heater, such as a submersible heating pipe, which is connected to the side wall of the tank 1 by a flange. When the heater 3 is working, it can heat the cooling water in the first working area 101 and maintain the temperature at about 60°C to prevent the surface from cracking due to sudden cooling when the cable passes through. There are two heaters 3. When the ambient temperature is high, a single heater 3 can be used.

[0030] like Figure 1 and Figure 5 As shown, tank 1 is connected to circulating pump 4. The inlet of circulating pump 4 is connected to the second working area 102 via a first circulating pipe 41, which is connected to the bottom wall of tank 1 and located in the middle of the second working area 102. The outlet of circulating pump 4 is connected to filter 5, which is an existing PP cotton filter element. The outlet of filter 5 is connected to the third working area 103 via a second circulating pipe 42, which is connected to the side wall of tank 1 at the tail end of the third working area 103. When circulating pump 4 is working, it can circulate the cooling water in the second working area 102 and the third working area 103, and the water is filtered by filter 5 during circulation to ensure the quality of the cooling water in tank 1.

[0031] like Figure 1 and Figure 5As shown, the first working area 101 is connected to the first circulating pipe 41 through the third circulating pipe 43. The third circulating pipe 43 is connected to the bottom wall of the tank 1 and is located at the front end of the first working area 101. The diameter of the third circulating pipe 43 is smaller than the diameter of the first circulating pipe 41. Ball valves are installed on both the third circulating pipe 43 and the first circulating pipe 41 to control the opening and closing of the corresponding pipes. When the device is used in low-temperature environments, such as during winter, the cooling water temperature in the third working zone 103 is prone to dropping below 15°C, while the cooling water temperature in the third working zone 103 generally needs to be controlled at around 20°C. Too low a water temperature will affect the cable insulation layer. Although the first working zone 101, the second working zone 102, and the third working zone 103 are connected by the first through-slot 211 and the second through-slot 221, the water flow is slow due to the small cross-sections of the two through-slots. Furthermore, the overall length of the water tank 1 is generally over ten meters, resulting in slow heat exchange between the three working zones (the water temperature in the second working zone 102 near the first working zone 101 is slightly higher than the water temperature in other parts of the second working zone 102). To improve the cooling water temperature in the second working zone 102 and the third working zone 103... To lower the water temperature, the higher-temperature cooling water in the first working zone 101 can be used to increase the cooling water temperature in the third working zone 103 and the second working zone 102. The ball valve on the first circulation pipe 41 is closed, and the ball valve on the third circulation pipe 43 is opened. The circulation pump 4 is used to transport the higher-temperature cooling water in the first working zone 101 to the third working zone 103 (at this time, both heaters 3 continue to work to ensure the water temperature in the first working zone 101), thereby increasing the cooling water temperature in the third working zone 103 and the second working zone 102. When it is not necessary to increase the cooling water temperature in the second working zone 102 and the third working zone 103, the ball valve on the third circulation pipe 43 is closed, and the cooling water temperature in the second working zone 102 and the third working zone 103 will gradually and naturally decrease.

[0032] like Figure 1 and Figure 5As shown, a first drain hopper 61 is connected to one end of the tank body 1 where the feed inlet 11 is located. The first drain hopper 61 is connected to the opening at the front end of the tank body 1 and has an open top, so it will not obstruct the cable. A second drain hopper 62 is connected to one end of the tank body 1 where the discharge outlet 12 is located. The second drain hopper 62 is connected to the opening at the rear end of the tank body 1 and has an open top, so it will not obstruct the cable. The first drain hopper 61 is connected to the water tank 63 through a first drain pipe 612. A filter cotton 611 is provided inside the first drain hopper 61. The filter cotton 611 is made of existing PP cotton cloth. The feed inlet 11... Water seeping or overflowing from the inlet pad 13 is collected by the first drain hopper 61 and filtered by the filter cotton 611 before entering the water tank 63. Similarly, the second drain hopper 62 is connected to the water tank 63 through the second drain pipe 622. The second drain hopper 62 is also equipped with filter cotton 611, which is made of existing PP cotton cloth. Water seeping or overflowing from the outlet pad 14 at the outlet 12 is collected by the second drain hopper 62 and filtered by the filter cotton 611 before entering the water tank 63. The water tank 63 is equipped with an insulation cotton layer to reduce heat loss.

[0033] like Figure 1 and Figure 5 As shown, water tank 63 is connected to tank 1 via water pump 7. Water pump 7's outlet is connected to water supply pipe 71. A water inlet 72 is located on the side wall of tank 1 at a position corresponding to the third working area 103. Water supply pipe 71 is connected to water inlet 72. By setting up water pump 7, water can be added to tank 1 when the water level is too low. Tank 1 is equipped with a first temperature sensor 81 corresponding to the first working area 101 and a second temperature sensor 82 corresponding to the third working area 103. The first temperature sensor 81 measures the cooling water temperature in the first working area 101, and the second temperature sensor 82 is located at the tail end of tank 1 and measures the cooling water temperature in the third working area 103. Both the first and second temperature sensors 81 and 82 are existing PT100 temperature sensors and are connected to an external digital DC temperature display, such as a YB5140TM temperature meter, to display the corresponding temperature.

[0034] like Figure 1 and Figure 5As shown, during use, the conductor passes through the extrusion head 92 of the cable extruder. The high-temperature molten plastic inside the extrusion head 92 coats the conductor to form an insulated cable 91. The cable 91 is cooled by a cooling water tank to set the insulation layer. When passing through the feed inlet 11 of the tank 1, it is supported by a water-soaked inlet pad 13. The cable 91 is immersed in the cooling water and passes through the first working zone 101, the second working zone 102, and the third working zone 103 in sequence. In the first working zone 101, due to the presence of a heater 3, the water temperature in the first working zone 101 is relatively high to prevent the insulation layer from cooling down suddenly. When passing through the second working zone 102 and the third working zone 103, the cooling water temperature is relatively low to complete the setting of the insulation layer of the cable 91. The cable 91 is pulled by a traction mechanism and then goes through subsequent steps such as drying and printing, and finally is wound up by a winding machine.

[0035] The above description is only a preferred embodiment of the present utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the principle of the present utility model, and these improvements and modifications should also be considered within the protection scope of the present utility model.

Claims

1. A cooling water tank device for cable production, characterized in that, The system includes a tank (1) for containing cooling water. One end of the tank (1) is provided with a feed inlet (11) and the other end of the tank (1) is provided with a discharge outlet (12). The feed inlet (11) is provided with an inlet pad (13) and the discharge outlet (12) is provided with an outlet pad (14). The tank (1) is provided with a first partition block (21) and a second partition block (22). The first partition block (21) and the second partition block (22) divide the space inside the tank (1) into a first working area (101), a second working area (102) and a third working area (103). The first partition block (21) is provided with a first through groove (211) and the second partition block (22) is provided with a second through groove (221). The first working area (101) is provided with a heater (3).

2. The cooling water tank device for cable production according to claim 1, characterized in that, The tank (1) is connected to the circulation pump (4). The inlet end of the circulation pump (4) is connected to the second working area (102) through the first circulation pipe (41), and the outlet end of the circulation pump (4) is connected to the third working area (103) through the second circulation pipe (42).

3. The cooling water tank device for cable production according to claim 2, characterized in that, The outlet end of the circulating pump (4) is connected to the filter (5).

4. The cooling water tank device for cable production according to claim 2, characterized in that, The first working area (101) is connected to the first circulation pipe (41) through the third circulation pipe (43).

5. The cooling water tank device for cable production according to claim 1, characterized in that, The inlet (11) of the trough (1) is connected to a first drain hopper (61), and the outlet (12) is connected to a second drain hopper (62). Both the first drain hopper (61) and the second drain hopper (62) are connected to the water tank (63).

6. The cooling water tank device for cable production according to claim 5, characterized in that, The water tank (63) is connected to the tank body (1) via a water replenishment pump (7).

7. The cooling water tank device for cable production according to claim 1, characterized in that, The height of the tank (1) is H, and the heights of the inlet pad (13) and the outlet pad (14) are both h, where h ≥ H / 2.

8. The cooling water tank device for cable production according to claim 1, characterized in that, The tank (1) is provided with a first temperature sensor (81) corresponding to the first working area (101) and a second temperature sensor (82) corresponding to the third working area (103).

9. The cooling water tank device for cable production according to claim 1, characterized in that, The groove (1) is provided with a plurality of wire support rollers (19), which are spaced apart along the length of the groove (1).

10. The cooling water tank device for cable production according to claim 5, characterized in that, Both the first drain hopper (61) and the second drain hopper (62) are equipped with filter cotton (611).

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