A cable corrosion prevention processing device

Abstract

A cable corrosion prevention processing device, the processing device comprises a base, a conveying mechanism fixedly connected to the base, the conveying mechanism comprising a conveying cavity extending in a first direction, and a screw rod extending in the first direction and located in the conveying cavity, the screw rod integrally formed with a thread and a stirring part to stir the molten material in the conveying cavity; a heating mechanism fixedly connected to the screw rod, the heating mechanism comprising a first heater, a second heater and a third heater; the conveying cavity integrally formed with a first non-return ring and a second non-return ring extending towards the screw rod, the non-molten material being sequentially molten in the first heater and the second heater, the first non-return ring and the second non-return ring respectively forming a first flow space and a second flow space with the screw rod to limit the non-molten material to pass through and continue to be molten in the first heater or the second heater.

Description

Technical Field

[0001] This utility model relates to the field of multi-core cable production equipment, and in particular to a stranding device for cable production. Background Technology Corrosion protection processing of cables is a crucial step in ensuring their long-term service in harsh environments such as humidity and chemical corrosion. Among these processes, the plastic extruder is the core equipment for coating the cable surface with a corrosion-resistant plastic sheath. Its working principle is as follows: solid plastic granules are added to the barrel, where they are conveyed, heated, compacted, and melted by an internal rotating screw, ultimately becoming a uniform melt. This melt is then continuously and tightly wrapped around the cable conductor through a die, forming a dense, corrosion-resistant insulation layer.

[0002] However, conventional plastic extruder screws in existing technologies lack sufficient melting efficiency and stability when used for producing anti-corrosion coatings for cables. Conventional screws typically employ a three-section design: a feeding section, a compression section, and a homogenization section. During the melting process, solid plastic begins to melt under the heating zone and the shearing action of the screw, forming a solid-liquid mixture. However, due to the lack of effective physical barriers, molten plastic may prematurely leak back into the feeding zone, while incompletely melted plastic may break and directly enter the homogenization section. This instability in the melting process leads to fluctuations in the die head's discharge pressure and temperature, ultimately resulting in uneven coating thickness and the appearance of incompletely melted crystal points. These crystal points and thin spots become defects in the anti-corrosion barrier, severely affecting the long-term anti-corrosion performance of cables. Furthermore, cable anti-corrosion materials often require the addition of various additives such as color masterbatches, antioxidants, and UV absorbers to achieve long-term protection. The thread structure of conventional screws primarily focuses on conveying and pressurizing, with limited capacity for material distribution, mixing, and dispersion. This can easily lead to uneven dispersion of additives in the melt, resulting in color differences, agglomeration, or localized performance degradation. In scenarios where recycled and virgin materials need to be blended, the viscosity difference makes it even more difficult to mix them evenly, ultimately resulting in uneven chemical protection of the anti-corrosion coating and a risk of premature failure.

[0003] Therefore, it is necessary to provide a stranding equipment for cable production that can prevent incompletely melted plastic from entering the homogenization stage prematurely and can effectively improve the mixing efficiency of various materials. Utility Model Content

[0004] The purpose of this invention is to provide a stranding device for cable production that can prevent incompletely melted plastic from entering the homogenization stage prematurely and can effectively improve the mixing efficiency of various materials.

[0005] According to one aspect of this application, a cable anti-corrosion processing apparatus is provided, the processing apparatus comprising: Base A conveying mechanism is fixedly connected to the base. The conveying mechanism includes a conveying cavity extending along a first direction and a spiral rod located in the conveying cavity and also extending along the first direction. The spiral rod is integrally formed with a thread and also integrally formed with a plurality of stirring parts spaced apart from the thread along the first direction to stir the molten material in the conveying cavity. A heating mechanism is fixedly connected to the side of the screw rod away from the conveying chamber. The heating mechanism includes a first heater, a second heater, and a third heater arranged sequentially along the first direction. The conveying chamber has a first check ring integrally formed on the side opposite to the first heater, extending towards the screw rod. The conveying chamber also has a second check ring integrally formed on the side opposite to the second heater, extending towards the screw rod. Unmelted material is melted sequentially in the first heater and the second heater. Before entering the second heater, the material passes through the first check ring. Before entering the third heater, the material passes through the second check ring. The first and second check rings form a first flow space and a second flow space with the screw rod, respectively, to restrict the passage of unmelted material and allow it to continue melting in the first or second heater.

[0006] More preferably, the processing apparatus further includes: The first feeding mechanism is fixedly connected to the conveying mechanism and is located on the side of the conveying mechanism away from the base; The second feeding mechanism is fixedly connected to the second heater and is located vertically above the second heater.

[0007] More preferably, the plastic enters the conveying mechanism through the first feeding mechanism and is propelled toward the heating mechanism through the thread of the screw rod.

[0008] More preferably, the anti-corrosion material enters the conveying mechanism through the second feeding mechanism and is propelled from the second heater to the third heater through the thread of the screw rod.

[0009] More preferably, the processing apparatus further includes: The housing is fixedly connected to the outside of the heating mechanism; The second feeding mechanism is also fixedly connected to one side of the housing, and the housing is provided with several cooling fans to exhaust the heat outside the heating mechanism from the housing.

[0010] More preferably, the conveying mechanism further includes: A fixed platform is fixedly connected to the base; The motor is fixedly connected to the fixed platform; The output shaft of the motor passes through the fixed platform along the first direction.

[0011] More preferably, the conveying cavity is fixedly connected to the side of the fixed platform away from the motor, and the output shaft of the motor extends into the conveying cavity and is fixedly connected to the screw rod to drive the screw rod to rotate.

[0012] More preferably, the motor rotates in the second direction and drives the screw rod to rotate in the second direction as well.

[0013] More preferably, the housing is further provided with a first opening and a second opening. The conveying cavity is fixedly connected to the first opening and is fixed to the heating mechanism inside the housing through the first opening. The molten anti-corrosion plastic passing through the third heater along the first direction is discharged from the processing device through the second opening.

[0014] More preferably, the housing further includes a clamping member extending along the first direction on the housing toward the side of the housing opposite to the heating mechanism to clamp the cable-carrying head between the clamping member and the housing.

[0015] This utility model has the following beneficial effects: By integrally incorporating a first check ring and a second check ring on the inner wall of the conveying chamber between adjacent heating zones, and cooperating with the screw to form a first flow space and a second flow space, the material must pass through this narrow flow space before entering the second heater from the first heater and the third heater from the second heater. This structure physically hinders incompletely melted materials in a solid or semi-molten state with high viscosity, forcing them to remain in the current heating zone to continue receiving heating and shearing. This effectively prevents incompletely melted plastic and other component materials from prematurely entering the subsequent homogenization section and outlet, ensuring plasticizing quality and the density of the extruded product. Furthermore, several stirring sections are integrally formed on the screw and spaced apart from the thread. When the screw rotates, these stirring sections can generate strong segmentation, folding, and recombination effects on the molten material in the conveying chamber, greatly increasing the shearing action and interface renewal frequency between materials. This effectively improves the mixing efficiency of various components, such as plastic substrate, color masterbatch, antioxidants, UV absorbers, and other additives. Consequently, the chemical corrosion resistance of any cross-section of the sheath remains consistent, effectively avoiding the decline in local protection performance caused by additive agglomeration or uneven dispersion, and ensuring the cable's corrosion resistance life in long-term harsh environments. Attached Figure Description

[0016] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0017] Figure 1 This is a schematic planar view of the processing apparatus described in one embodiment of this application, viewed from the frontal direction. Figure 2 This is a schematic planar view of the processing apparatus described in one embodiment of this application after the housing has been removed, viewed from the frontal direction. Figure 3 This is a schematic diagram showing the cross-sectional connection of the heating mechanism, the first feeding device, the second feeding device, and the conveyor and screw rod in the conveying mechanism of the processing device described in one embodiment of this application; Figure 4 For the Figure 3 Enlarged view of point A in the middle; Figure 5 For the Figure 3 Enlarged view of point B in the middle; Figure 6 For the Figure 3 Enlarged view of point C in the middle; Figure 7 This is a schematic diagram of the planar structure of the processing device described in one embodiment of this application, viewed from the side. Explanation of reference numerals: 100, processing device; 10, base; 20, conveying mechanism; 21, conveying chamber; 21A, first check ring; 21B, second check ring; 22, screw rod; 22A, thread; 22B, stirring part; 23, fixed platform; 24, motor; 30, heating mechanism; 31, first heater; 32, second heater; 33, third heater; 40, first feeding mechanism; 50, second feeding mechanism; 60, housing; 61, cooling fan; 62, first opening; 63, second opening; 64, clamping component; F1, first direction; F2, second direction. Detailed Implementation

[0018] To facilitate understanding of this application, a more complete description will be provided below with reference to the accompanying drawings. Preferred embodiments of this application are shown in the drawings. However, this application can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to provide a more thorough and complete understanding of the disclosure of this application.

[0019] It should be noted that when a component is said to be "fixed to" another component, it can be directly attached to the other component or there may be an intervening component. When a component is said to be "connected to" another component, it can be directly connected to the other component or there may be an intervening component. The terms "vertical," "horizontal," "left," "right," and similar expressions used in this document are for illustrative purposes only.

[0020] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the specification of this application is for the purpose of describing particular embodiments only and is not intended to be limiting of this application. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0021] Please refer to Figure 1 - Figure 7 One embodiment of this application provides a cable anti-corrosion processing device 100, which includes a base 10, a conveying mechanism 20 and a heating mechanism 30.

[0022] The conveying mechanism 20 is fixedly connected to the base 10. The conveying mechanism 20 includes a conveying cavity 21 extending along a first direction F1, and a spiral rod 22 located within the conveying cavity 21 and also extending along the first direction F1. The spiral rod 22 has an integrally formed thread 22A, and also has a plurality of stirring parts 22B integrally formed along the first direction F1 at intervals from the thread 22A, to stir the molten material in the conveying cavity 21. The heating mechanism 30 is fixedly connected to the side of the spiral rod 22 away from the conveying cavity 21. The heating mechanism 30 includes a first heater 31, a second heater 32, and a third heater 33 arranged sequentially along the first direction F1. The conveying chamber 21 has a first check ring 21A extending towards the screw rod 22 integrally formed on the side opposite to the first heater 31, and a second check ring 21B extending towards the screw rod 22 integrally formed on the side opposite to the second heater 32. Unmelted material is melted sequentially in the first heater 31 and the second heater 32. Before the material enters the second heater 32 after passing through the first heater 31, it passes through the first check ring 21A. Before the material enters the third heater 33 after passing through the second heater 32, it passes through the second check ring 21B. The first check ring 21A and the second check ring 21B form a first flow space and a second flow space with the screw rod 22, respectively, to restrict the passage of unmelted material and allow it to continue melting in the first heater 31 or the second heater 32.

[0023] The conveying mechanism 20 is bolted to the upper surface of the base 10. Inside the conveying mechanism 20 is a cylindrical conveying chamber 21 extending horizontally along the first direction F1, i.e., the material's forward direction. The conveying chamber 21 houses a spiral rod 22 also extending along the first direction F1. The spiral rod 22 is driven to rotate by a motor 24. A continuous thread 22A is integrally machined onto the metal surface of the spiral rod 22 to propel the material forward. Simultaneously, multiple stirring parts 22B are integrally formed on the spiral rod 22, spaced apart from the thread 22A. These stirring parts 22B can be diamond-shaped blocks or pin-shaped structures. Their core function is to strongly shear, divide, fold, and reassemble the material during the melting process, thereby greatly improving the mixing uniformity of the plastic base material with antioxidants, UV absorbers, and other corrosion-preserving additives, ensuring consistent chemical properties of the extruded corrosion-preserving jacket. A heating mechanism 30 is fixed to the outer wall of the conveying chamber 21. Inside, a first heater 31, a second heater 32, and a third heater 33 are arranged sequentially along the first direction F1. Each of the three heaters integrates a temperature sensor near the side of the conveying chamber 21 to monitor the temperature of the chamber wall. The first heater 31, the second heater 32, and the third heater 33 form three independent temperature control zones. Based on their respective temperature sensor readings, the temperatures of the three sections of the conveying chamber 21 are precisely controlled between 140°C and 200°C for gradual heating and plasticizing of the material. On the inner wall of the conveying chamber 21, a first check ring 21A, protruding towards the axis of the screw 22, is integrally formed in the transition region between the first heater 31 and the second heater 32. Similarly, a second check ring 21B is integrally formed in the transition region between the second heater 32 and the third heater 33. These two check rings maintain very small gaps with the outer edge of the rotating screw 22, forming a first flow space and a second flow space. When material is conveyed from the first heater 31 to the second heater 32 or from the second heater 32 to the third heater 33, it must be forced through these narrow flow spaces. Materials that are fully molten and have good flowability can pass through smoothly; however, high-viscosity materials that are not completely molten and still contain solid particles are effectively blocked before the check ring, preventing them from entering the subsequent homogenization section prematurely. These blocked materials are forced back into the current heating zone to undergo longer heating and screw shearing until they are fully melted. The fully plasticized and uniformly mixed molten plastic is then continuously extruded through the second opening 63 at the end of the device and tightly wrapped around the cable in the die head, forming a uniform, dense, and chemically stable high-quality anti-corrosion sheath.

[0024] More preferably, the processing device 100 further includes: a first unloading mechanism 40 and a second unloading mechanism 50.

[0025] The first feeding mechanism 40 is fixedly connected to the conveying mechanism 20 and is located on the side of the conveying mechanism 20 opposite to the base 10. The second feeding mechanism 50 is fixedly connected to the second heater 32 and is located vertically above the second heater 32.

[0026] The processing device 100 is equipped with a first feeding mechanism 40 and a second feeding mechanism 50. The first feeding mechanism 40 is fixedly installed at the top of the conveying mechanism 20 and located above its initial feeding section. It is used to continuously supply solid plastic main material into the conveying chamber 21, so that it is captured by the thread 22A of the screw 22 and pushed towards the heating area. The second feeding mechanism 50 is uniquely fixedly connected to the vertical top of the corresponding second heater 32 outer wall. Its feeding port is directly connected to the material area that has been initially heated and plasticized. This design allows heat-sensitive anti-corrosion additives to be added after the plastic base material begins to melt. This effectively avoids the additives from decomposing and failing due to premature exposure to high temperature. It also makes full use of the high-intensity shearing action of the stirring part 22B on the subsequent screw 22 and the backflow mixing effect formed by the anti-reverse ring, ensuring that these additives can be fully and uniformly dispersed and fused with the melt, thereby improving the reliability of the final anti-corrosion sleeve performance.

[0027] More preferably, the plastic enters the conveying mechanism 20 through the first feeding mechanism 40 and is pushed toward the heating mechanism 30 through the thread 22A of the screw rod 22.

[0028] In this process, solid plastic granules are stably fed into the starting end of the conveying mechanism 20 via the first feeding mechanism 40. The plastic falling into the conveying chamber 21 is then captured by the rotating screw 22. The continuous threads 22A on the screw generate a strong axial thrust, which, like a screw, continuously and stably conveys the plastic material forward and forces it into the heating area. This forced conveying process not only ensures the continuity of the material supply, but also performs preliminary compaction on the material before it enters the first heater 31, eliminating air between the granules and ensuring uniform heating and melting in the subsequent process.

[0029] More preferably, the anti-corrosion material enters the conveying mechanism 20 through the second feeding mechanism 50, and is pushed from the second heater 32 to the third heater 33 through the thread 22A of the screw rod 22.

[0030] In this process, powdered or granular anti-corrosion material is introduced into the conveying chamber 21 through the second feeding mechanism 50. This feeding point is located above the chamber corresponding to the second heater 32. The anti-corrosion material is directly fed into the plastic melt that has been preheated by the first heater 31 and has begun to plasticize. Subsequently, these mixtures are pushed by the thread 22A on the rotating screw 22 from the area of ​​the second heater 32 to the area of ​​the final third heater 33. This prevents the anti-corrosion material from decomposing and failing due to prolonged exposure to high temperatures at the front end of the conveying chamber 21. At the same time, the travel from the second heater 32 to the third heater 33 provides sufficient space and time for the stirring part 22B on the screw 22 to perform high-intensity shearing and mixing of the anti-corrosion material and the plastic matrix, ensuring that the additives are evenly dispersed inside the plastic melt, thereby achieving uniform distribution of the anti-corrosion function at any cross-section of the cable sheath.

[0031] More preferably, the processing apparatus 100 further includes a housing 60.

[0032] The housing 60 is fixedly connected to the outside of the heating mechanism 30. The second feeding mechanism 50 is also fixedly connected to one side of the housing 60. The housing 60 is provided with a plurality of cooling fans 61 to exhaust heat from the outside of the heating mechanism 30 from the housing 60.

[0033] The processing device 100 also includes a housing 60 that is entirely enclosed outside the heating mechanism 30. This housing 60 forms a sealed, heat-insulated space. The second feeding mechanism 50 is fixedly installed on one side wall of the housing 60, allowing its feeding pipe to pass through the housing 60 and communicate with the internal conveying chamber 21. Several cooling fans 61 are installed on the wall of the housing 60 to actively and forcibly expel excess heat dissipated from the three internal heaters into the enclosed space. This not only provides a relatively low-temperature and stable working environment for the second feeding mechanism 50 and the heat-sensitive anti-corrosion material it conveys, effectively preventing the additive from pre-plasticizing or degrading near the feeding port due to external radiant heat, but also establishes a stable external temperature field for the entire heating system through convective heat dissipation, reducing the interference of ambient temperature fluctuations on the precise temperature control of the heater.

[0034] More preferably, the conveying mechanism 20 further includes a fixed platform 23 and a motor 24.

[0035] The fixed platform 23 is fixedly connected to the base 10. The motor 24 is fixedly connected to the fixed platform 23. The output shaft of the motor 24 passes through the fixed platform 23 along the first direction F1.

[0036] The conveying mechanism 20 also includes a fixed platform 23 firmly mounted on the base 10 and a motor 24. The motor 24 is tightly fixed to the side of the fixed platform 23 by bolts, and its output shaft passes horizontally through the pre-set through hole on the fixed platform 23 along the first direction F1, i.e. the material conveying direction. This rigid connection structure provides an extremely stable support foundation for the motor 24. Its core purpose is to ensure that the output shaft of the motor 24 can be centered and connected with the screw rod 22 in the rear conveying cavity 21, thereby transmitting the rotational power of the motor 24 to the screw rod 22.

[0037] More preferably, the conveying cavity 21 is fixedly connected to the side of the fixed platform 23 away from the motor 24, and the output shaft of the motor 24 extends into the conveying cavity 21 and is fixedly connected to the screw rod 22 to drive the screw rod 22 to rotate.

[0038] The conveying chamber 21 is mounted and fixed on the fixed platform 23 on the opposite side of the motor 24 via its flange end face. The high-speed output shaft of the motor 24 extends forward from the center hole of the fixed platform 23 into the conveying chamber 21 and is rigidly connected to the drive end of the screw rod 22 via a spline. This ensures that the rotational power generated by the motor 24 can be directly transmitted to the screw rod 22, thereby driving the screw rod 22 to rotate stably in the chamber for pushing or shearing.

[0039] More preferably, the motor 24 rotates along the second direction F2 and drives the screw rod 22 to rotate along the second direction F2 as well.

[0040] Wherein, the second direction F2 is the clockwise direction observed along the first direction F1 of the material's movement. The output shaft of the motor 24 rotates around the second direction F2 and drives the screw rod 22 to rotate synchronously along the second direction F2. The rotation direction is matched with the direction of the thread 22A on the screw rod 22. The positive thread 22A can generate a continuous forward thrust on the material in the first direction F1. This thrust is the power source for the stable delivery of the material from the feed inlet to the outlet of the machine head. At the same time, this rotation direction is coordinated with the arrangement angle of the stirring part 22B on the rod body to ensure that the stirring part 22B can effectively shear the melt during rotation.

[0041] More preferably, the housing 60 is further provided with a first opening 62 and a second opening 63. The conveying cavity 21 is fixedly connected to the first opening 62 and is fixed to the heating mechanism 30 inside the housing 60 through the first opening 62. The molten anti-corrosion plastic passing through the third heater 33 along the first direction F1 is discharged from the processing device 100 through the second opening 63.

[0042] The housing 60 has a first opening 62 and a second opening 63 precisely formed. The outer side of the conveying cavity 21 passes through the first opening 62 and is sealed and fixed thereto. The molten anti-corrosion plastic, which has been fully plasticized and uniformly mixed, continues to move forward along the first direction F1 under the propulsion of the screw rod 22, and is finally stably extruded into the processing device 100 through the second opening 63 at the end of the housing 60.

[0043] More preferably, the housing 60 further includes a clamping member 64 extending along the first direction F1 on the housing 60 toward the side of the housing 60 opposite to the heating mechanism 30, to clamp the cable-carrying head between the clamping member 64 and the housing 60.

[0044] The front end of the housing 60 is also equipped with a clamping member 64. The clamping member 64 extends outward from the end face of the housing 60 along the material forward direction. The extruder head that passes through the cable can be firmly clamped in the installation space formed between the clamping member 64 and the end face of the housing 60, providing a rigid support for the extruder head that withstands the high pressure of the plastic melt. The second opening 63 extends into the head to ensure that the molten plastic can smoothly transition from the conveying chamber 21 to the head flow channel, and finally form a uniform thickness anti-corrosion sheath around the cable.

[0045] By integrally forming a first check ring 21A and a second check ring 21B on the inner wall of the conveying chamber 21 between adjacent heating zones, and cooperating with the screw 22 to form a first flow space and a second flow space, the material must pass through this narrow flow space before entering the second heater 32 from the first heater 31 and the third heater 33 from the second heater 32. This structure physically hinders incompletely melted materials in a solid or semi-molten state with high viscosity, forcing them to remain in the current heating zone to continue to be heated and sheared. This effectively prevents incompletely melted plastic and other component materials from prematurely entering the subsequent homogenization section and outlet, ensuring plasticization quality and the density of the extruded product. Furthermore, a plurality of stirring parts 22B are integrally formed on the screw rod 22 and spaced apart from the thread 22A. When the screw rod 22 rotates, these stirring parts 22B can generate strong segmentation, folding and recombination effects on the molten material in the conveying chamber 21, which greatly increases the shearing action and interface renewal frequency between materials. This effectively improves the mixing efficiency of various components, such as plastic substrate, color masterbatch, antioxidants, ultraviolet absorbers and other additives. As a result, the chemical corrosion resistance of any cross section of the sheath remains consistent, effectively avoiding the decline in local protection performance caused by additive agglomeration or uneven dispersion, and ensuring the corrosion resistance life of the cable in long-term harsh environments.

[0046] The embodiments described above are merely examples of several implementation methods of this application, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of this application. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this application, and these modifications and improvements all fall within the protection scope of this application.

Claims

1. A cable anti-corrosion processing device, characterized in that, The processing apparatus includes: Base A conveying mechanism is fixedly connected to the base. The conveying mechanism includes a conveying cavity extending along a first direction and a spiral rod located in the conveying cavity and also extending along the first direction. The spiral rod is integrally formed with a thread and also integrally formed with a plurality of stirring parts spaced apart from the thread along the first direction to stir the molten material in the conveying cavity. A heating mechanism is fixedly connected to the side of the screw rod away from the conveying chamber. The heating mechanism includes a first heater, a second heater, and a third heater arranged sequentially along the first direction. The conveying chamber has a first check ring integrally formed on the side opposite to the first heater, extending towards the screw rod. The conveying chamber also has a second check ring integrally formed on the side opposite to the second heater, extending towards the screw rod. Unmelted material is melted sequentially in the first heater and the second heater. Before entering the second heater, the material passes through the first check ring. Before entering the third heater, the material passes through the second check ring. The first and second check rings form a first flow space and a second flow space with the screw rod, respectively, to restrict the passage of unmelted material and allow it to continue melting in the first or second heater.

2. The cable anti-corrosion processing device according to claim 1, characterized in that, The processing apparatus further includes: The first feeding mechanism is fixedly connected to the conveying mechanism and is located on the side of the conveying mechanism away from the base; The second feeding mechanism is fixedly connected to the second heater and is located vertically above the second heater.

3. The cable anti-corrosion processing device according to claim 2, characterized in that, The plastic enters the conveying mechanism through the first feeding mechanism and is pushed toward the heating mechanism through the thread of the screw rod.

4. The cable anti-corrosion processing device according to claim 3, characterized in that, The anti-corrosion material enters the conveying mechanism through the second feeding mechanism and is pushed from the second heater to the third heater through the thread of the screw rod.

5. The cable anti-corrosion processing device according to claim 4, characterized in that, The processing apparatus further includes: The housing is fixedly connected to the outside of the heating mechanism; The second feeding mechanism is also fixedly connected to one side of the housing, and the housing is provided with several cooling fans to exhaust the heat outside the heating mechanism from the housing.

6. The cable anti-corrosion processing device according to claim 1, characterized in that, The conveying mechanism further includes: A fixed platform is fixedly connected to the base; The motor is fixedly connected to the fixed platform; The output shaft of the motor passes through the fixed platform along the first direction.

7. The cable anti-corrosion processing device according to claim 6, characterized in that, The conveying cavity is fixedly connected to the side of the fixed platform away from the motor. The output shaft of the motor extends into the conveying cavity and is fixedly connected to the screw rod to drive the screw rod to rotate.

8. The cable anti-corrosion processing device according to claim 7, characterized in that, The motor rotates in the second direction and drives the screw rod to rotate in the second direction as well.

9. The cable anti-corrosion processing device according to claim 5, characterized in that, The housing is also provided with a first opening and a second opening. The conveying cavity is fixedly connected to the first opening and is fixed to the heating mechanism inside the housing through the first opening. The molten anti-corrosion plastic passing through the third heater along the first direction is discharged from the processing device through the second opening.

10. The cable anti-corrosion processing device according to claim 5, characterized in that, The housing also includes a clamping member that extends along the first direction on the housing toward the side of the housing opposite to the heating mechanism to clamp the head of the machine through the cable between the clamping member and the housing.

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