Cable production line

Abstract

The utility model relates to the technical field of cable production, in particular to a cable production line, which comprises a power cable feeding frame, a cable core preheater, an extruder, a cable cooling device, a traction machine, a cable water removal device, a cable detection device and a take-up machine, and realizes whole-course automation of cable production by integrating various automatic equipment, improves the production efficiency and reduces the production cost. Wherein the cable detection device comprises a spark machine, a single-shaft diameter measuring instrument and an eccentric measuring instrument, the spark machine is used for detecting the integrity of a cable insulating layer, ensuring that the cable has no insulation defect before leaving a factory and improving the reliability of a product, and the single-shaft diameter measuring instrument is used for detecting the diameter of the cable and adjusting the traction speed of a traction machine according to a detection result; and the eccentricity measuring instrument is used for detecting the deviation degree of the center of the cable, so that the concentricity of the cable core can be adjusted in time.

Description

Technical Field

[0001] This utility model relates to the field of cable production technology, specifically to a cable production line. Background Technology

[0002] With the continuous advancement of industrialization and the development of fields such as power and communications, the demand for high-quality wires and cables is increasing day by day.

[0003] For example, Chinese utility model patent with authorization announcement number CN204832627U discloses a fully automatic cable production equipment, including an optical fiber pay-off machine, a preheating and baking device, a plastic extruder, a graded cooling mechanism, a take-up machine, a tension dancing device, a take-up machine, and a main control cabinet; the optical fiber pay-off machine, the preheating and baking device, the plastic extruder, the graded cooling mechanism, the take-up machine, the tension dancing device, and the take-up machine are arranged horizontally side by side in sequence, and the main control cabinet controls the operation of the optical fiber pay-off machine, the preheating and baking device, the plastic extruder, the graded cooling mechanism, the take-up machine, the tension dancing device, and the take-up machine.

[0004] The fully automated cable production equipment disclosed above, although capable of continuous cable production, is not equipped with dedicated online testing instruments to monitor potential quality problems during the production process in real time. This may result in some potential defects not being detected and corrected in the first instance, thereby affecting the pass rate of the final product. Utility Model Content

[0005] In view of the above-mentioned technical problems in the existing technology, this utility model provides a cable production line.

[0006] To achieve the above objectives, the present invention provides the following technical solution:

[0007] A cable production line is provided, comprising: a power feeder frame for controlling the tension during the core release process; a core preheater for heating the core to improve the bonding effect during extrusion; an extruder for coating the heated core with insulation material; a cable cooling device for cooling the cable after it has been extruded from the extruder; a traction machine for providing traction force during cable production; a cable dehydration device for removing residual moisture from the cable surface; a cable inspection device including a spark tester for inspecting the integrity of the cable insulation layer; a single-axis diameter gauge for inspecting the cable diameter to adjust the traction speed of the traction machine; an eccentricity measuring instrument for inspecting the cable center deviation to adjust the core concentricity; and a take-up machine for collecting qualified cables after the above processes.

[0008] Preferably, there are two power feeder frames, each equipped with a bearing seat and a set of wire core guide wheels. The bearing seat is also equipped with a counterweight, the number of which is the same as the number of wire core guide wheels.

[0009] Preferably, the extruder includes an extrusion main unit and an extrusion auxiliary unit, with the extrusion outlets of a pair of extrusion auxiliary units respectively connected to the extrusion outlets of the extrusion main unit.

[0010] Preferably, the cable cooling device includes a temperature-controlled cooling component for cooling the extruded cable; a single-layer spray water tank for further cooling the cable and removing surface impurities; and an immersion water tank for final cooling of the cable and ensuring its complete curing.

[0011] Preferably, the temperature control cooling assembly includes a housing and a movable water tank. The movable water tank is slidably disposed inside the housing along the direction of cable movement. The housing also has a water storage tank communicating with the movable water tank. At the end of the immersion water tank, a capacitance sensor for detecting the static capacitance of the cable is provided to determine the moving distance of the movable water tank within the housing.

[0012] Preferably, the cable dewatering device includes a soundproof cover and a water absorption component and a water blowing component disposed inside the soundproof cover. The water absorption component includes a housing and a blower. The housing is provided with a cable passage groove, and the bottom of the cable passage groove is provided with multiple water absorption holes. The blower is connected to the water absorption holes to absorb the moisture from the surface of the cable.

[0013] Preferably, the water absorption assembly is provided in pairs, and the pair of water blowing assemblies respectively include a water blowing housing and an air blowing pipe. The water blowing housing is also provided with an air blowing nozzle. The pair of air blowing nozzles are respectively located at the top and bottom of the air blowing housing. The air blowing pipe is connected to the pair of air blowing nozzles and is used to blow air onto the surface of the cable to remove moisture.

[0014] Preferably, the take-up machine is a fully automatic double-reel take-up machine, and the take-up machine is also equipped with a meter counter for accurately collecting the cable length.

[0015] The beneficial effects of this utility model are:

[0016] This utility model discloses a cable production line, including a power feeder, a core preheater, an extruder, a cable cooling device, a traction machine, a cable dehydration device, a cable testing device, and a take-up machine. By integrating multiple automated devices, it achieves full automation of cable production, improving production efficiency. The cable testing device includes an EDM machine, a uniaxial diameter gauge, and an eccentricity measuring instrument. The EDM machine is used to detect the integrity of the cable insulation layer, ensuring that the cable is free of any insulation defects before leaving the factory, thus improving product reliability. The uniaxial diameter gauge is used to detect the cable diameter and adjust the traction speed of the traction machine according to the detection results, ensuring the consistency of the cable diameter. The eccentricity measuring instrument is used to detect the deviation of the cable center, allowing for timely adjustment of the core concentricity. Attached Figure Description

[0017] Figure 1 This is a structural diagram of a cable production line in one of the embodiments.

[0018] Figure 2 This is a front view of the power supply frame in the embodiment.

[0019] Figure 3 This is a front view of the extruder in the embodiment.

[0020] Figure 4 This is a cross-sectional view of the temperature control and cooling assembly in the embodiment.

[0021] Figure 5 This is a front view of the cable dewatering device in the embodiment.

[0022] Figure 6 for Figure 5 Enlarged view of point A in the middle.

[0023] Figure 7 for Figure 5 Enlarged view of section B in the middle.

[0024] Figure 8 This is a front view of the cable detection device in the embodiment.

[0025] Attached reference numerals: 1. Power feeder frame; 10. Bearing housing; 11. Core conductor pulley; 12. Counterweight; 2. Core conductor preheater;

[0026] 3. Extruding the machine; 30. Extruding the main machine; 31. Extruding the auxiliary machine;

[0027] 4. Cable cooling device; 40. Temperature-controlled cooling assembly; 401. Housing; 402. Movable water tank; 403. Water storage tank; 41. Single-layer spray water tank; 42. Immersion water tank

[0028] 5. Traction machine;

[0029] 6. Cable dewatering device; 60. Soundproof enclosure; 61. Water absorption assembly; 611. Housing; 612. Blower; 613. Cable tray; 614. Water suction hole;

[0030] 62. Water blowing assembly; 621. Water blowing housing; 622. Air blowing pipe; 623. Air blowing nozzle

[0031] 7. Cable testing device; 70. EDM machine; 71. Single-axis diameter gauge; 72. Eccentricity measuring instrument;

[0032] 8. Take-up machine. Detailed Implementation

[0033] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Unless otherwise specified, the following embodiments and features can be combined with each other.

[0034] This embodiment of a cable production line includes, from left to right, a power feeder 1, a wire core preheater 2, an extruder 3, a cable cooling device 4, a traction machine 5, a cable dehydration device 6, a cable testing device 7, and a take-up machine 8.

[0035] Furthermore, the power feeder frame 1 is used to control the tension during cable release. Two power feeders are provided, each equipped with a bearing housing 10 and a set of wire core guide wheels 11. Each bearing housing 10 also has a counterweight 12, the number of which is the same as the number of wire core guide wheels 11. By employing a dual-machine configuration, the power feeder frame 1 provides a stable wire core supply speed, reducing downtime due to single-machine failure and thus improving the efficiency of the entire production line. The counterweights 12 on the power feeders ensure more uniform tension of the wire core during feeding, preventing wire breakage caused by uneven tension.

[0036] Furthermore, the wire core preheater 2 is used to uniformly heat the wire core drawn from the power wire feeder. By heating the wire core, the bonding effect of the wire core is better during the extrusion process, and the material loss during the extrusion process can also be reduced.

[0037] Furthermore, the extruder 3 is used to coat the heated wire core with insulating material. The extruder 3 includes an extrusion main machine 30 and an extrusion auxiliary machine 31. The extrusion outlets of a pair of extrusion auxiliary machines 31 are respectively connected to the extrusion outlets of the extrusion main machine 30. The design of setting a pair of extrusion auxiliary machines 31 increases the flexibility of the production line. One or two auxiliary machines can be used according to different production needs. Even if one auxiliary machine fails, the other auxiliary machine can continue to work, reducing downtime and ensuring the continuity of production.

[0038] Furthermore, the cable cooling device 4 is used to cool the cable after it is extruded from the extruder 3. The cable cooling device 4 includes a temperature-controlled cooling component 40, a single-layer spray water tank 41, and an immersion water tank 42. The temperature-controlled cooling component 40 is used to cool the extruded cable. The single-layer spray water tank 41 is used to further cool the cable and remove surface impurities. The immersion water tank 42 is used to finally cool the cable and ensure its complete curing. The temperature-controlled cooling component 40 includes a housing 401 and a movable water tank 402. The movable water tank 402 is slidably disposed in the housing 401 along the direction of cable movement. A water storage tank 403 is also provided in the housing 401. A water pump is provided on the water storage tank 403 to transport coolant to the movable water tank 402. The movable water tank 402 is provided with a return port to return the overflowing coolant to the water storage tank 403, forming a circulation system. A heating block is also installed in the water tank 403 to heat the coolant inside. By heating the coolant, the cable cools down slowly, preventing a temperature gradient inside the cable from forming due to a sudden drop in coolant temperature, thus avoiding thermal stress and preventing micro-cracks or delamination of the insulation layer covering the cable's outer surface. A capacitance sensor is also installed at the end of the immersion tank 42 to detect the cable's electrostatic capacitance. If the cable's capacitance value does not meet the standard, the position of the movable tank 402 will be adjusted to cool the cable earlier or later, changing the crystallinity of the insulation material on the cable surface, thereby changing the cable's electrostatic capacitance until the electrostatic capacitance value meets the requirements.

[0039] Furthermore, the traction machine 5 is used to provide traction force during the cable production process, while precisely controlling the cable's travel speed to ensure that the cable maintains a constant speed throughout the production process, avoiding cable twisting or breakage caused by speed fluctuations.

[0040] Furthermore, the cable dehydration device 6 is used to remove residual moisture from the cable surface. The cable dehydration device 6 includes a soundproof cover 60, and a water absorption component 61 and a water blowing component 62 disposed within the soundproof cover 60. The water absorption component 61 includes a housing 611 and a blower 612. The housing 611 has a cable passage groove 613, and multiple water absorption holes 614 are provided at the bottom of the cable passage groove 613. The blower 612 is connected to the multiple water absorption holes 614 to absorb moisture from the cable surface. There is a pair of water blowing components 62. Each pair of water blowing components 62 includes a water blowing housing 621 and an air blowing pipe 622. The water blowing housing 621 has an air blowing nozzle 623, and the air blowing pipe 622 is connected to the air blowing nozzle 623. There is a pair of air blowing nozzles 623, one disposed at the top of the water blowing housing 621 and the other disposed at the bottom of the water blowing housing 621. By combining the water absorption component 61 and the water blowing component 62, the moisture on the surface of the cable can be completely removed, improving the water removal efficiency. The soundproof cover 60 completely encloses the water absorption component 61 and the water blowing component 62, reducing the noise generated during the operation of the equipment.

[0041] Furthermore, the cable testing device 7 is used to measure various indicators of the cable. The cable testing device 7 includes a spark tester 70, a uniaxial diameter gauge 71, and an eccentricity measuring instrument 72. The spark tester 70 is used to detect the integrity of the cable insulation layer, enabling timely detection of insulation defects and ensuring the electrical performance of the cable. The uniaxial diameter gauge 71 is used to detect the diameter of the cable and adjust the traction speed of the traction machine 5 accordingly, ensuring the consistency of the cable diameter and improving production quality. The eccentricity measuring instrument 72 is used to detect the cable center deviation, i.e., whether the wire core is located in the center of the insulation layer, ensuring the concentricity of the cable and avoiding a decrease in electrical performance due to eccentricity.

[0042] Furthermore, the take-up machine 8 is used to collect qualified cables after the above-mentioned processes. The take-up machine 8 is a fully automatic double-reel take-up machine 8, and a meter counter is also provided on the take-up machine 8 to accurately collect the cable length.

[0043] In the description of this utility model, it is obvious that the described embodiments are only a part of the embodiments of this utility model, and not all of them. The components of the embodiments of this utility model described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.

[0044] Therefore, the above detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.

[0045] In the description of this utility model, it should be noted that the terms "middle," "upper," "lower," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the product of this utility model is in use. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. In addition, the terms "first," "second," etc., are only used to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0046] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "set," "connected," and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection. They can refer to a mechanical connection or an electrical connection. They can refer to a direct connection or an indirect connection through an intermediate medium, or a connection within two components. For those skilled in the art, the specific meaning of the above terms in this utility model can be understood according to the specific circumstances.

Claims

1. A cable production line, characterized in that, Includes a power feeder (1) for controlling the tension during the core release process; a core preheater (2) for heating the core to improve the bonding effect during the extrusion process; an extruder (3) for covering the heated core with insulating material; and a cable cooling device (4) for cooling the cable after it is extruded from the extruder (3). The cable traction machine (5) is used to provide traction force during the cable production process; the cable dehydration device (6) is used to remove residual moisture from the cable surface; the cable inspection device (7) includes a spark tester (70) for detecting the integrity of the cable insulation layer; a single-axis diameter gauge (71) for detecting the diameter of the cable, thereby adjusting the traction speed of the cable traction machine (5); an eccentricity measuring instrument (72) for detecting the deviation of the cable center, thereby adjusting the concentricity of the wire core; and a take-up machine (8) for collecting qualified cables after the above processes.

2. The cable production line according to claim 1, characterized in that, Two power supply frames (1) are provided. Each power supply frame (1) is provided with a bearing seat (10) and a set of wire core guide wheels (11). A counterweight (12) is also provided on the bearing seat (10). The number of counterweights (12) is the same as the number of wire core guide wheels (11).

3. The cable production line according to claim 1, characterized in that, The extruder (3) includes an extrusion main unit (30) and an extrusion auxiliary unit (31), and the extrusion outlets of a pair of extrusion auxiliary units (31) are respectively connected to the extrusion outlets of the extrusion main unit (30).

4. The cable production line according to claim 1, characterized in that, The cable cooling device (4) includes a temperature-controlled cooling assembly (40) for cooling the extruded cable; a single-layer spray water tank (41) for further cooling the cable and removing surface impurities; and an immersion water tank (42) for finally cooling the cable and ensuring its complete curing.

5. A cable production line according to claim 4, characterized in that, The temperature-controlled cooling assembly (40) includes a housing (401) and a movable water tank (402). The movable water tank (402) is slidably disposed inside the housing (401) along the direction of cable movement. The housing (401) is also provided with a water storage tank (403) that communicates with the movable water tank (402). At the end of the immersion water tank (42), a capacitance sensor for detecting the static capacitance of the cable is provided to determine the moving distance of the movable water tank (402) inside the housing (401).

6. A cable production line according to claim 1, characterized in that, The cable dewatering device (6) includes a soundproof cover (60) and a water absorption component (61) and a water blowing component (62) installed inside the soundproof cover (60). The water absorption component (61) includes a housing (611) and a blower (612). The housing (611) is provided with a cable passage groove (613). The bottom of the cable passage groove (613) is provided with multiple water absorption holes (614). The blower (612) is connected to the water absorption holes (614) to absorb the moisture on the surface of the cable.

7. A cable production line according to claim 1, characterized in that, The water absorption assembly (61) is provided in pairs, and the pair of water blowing assemblies (62) respectively include a water blowing housing (621) and an air blowing pipe (622). The water blowing housing (621) is also provided with an air blowing nozzle (623). The pair of air blowing nozzles (623) are provided in pairs, and the pair of air blowing nozzles (623) are respectively provided at the top and bottom of the water blowing housing (621). The air blowing pipe (622) is connected to the pair of air blowing nozzles (623) and is used to blow air onto the surface of the cable to remove moisture.

8. A cable production line according to claim 6, characterized in that, The take-up machine (8) is a fully automatic double-reel take-up machine (8), and the take-up machine (8) is also equipped with a meter counter for accurately taking the length of the cable.

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