Conductor stranding device with annealing function

Abstract

The utility model relates to wire and cable manufacturing equipment technical field, concretely is a kind of conductor stranding device with annealing function, including support base plate, support base plate is fixed with wire drawing die set, annealing furnace and frame stranding machine, wire drawing die set outlet end is aligned with annealing furnace inlet end, annealing furnace outlet end is sealingly connected with guide channel one end, and guide channel other end is sealingly docked with frame stranding machine inlet end;Guide channel inside is provided with guide roller, and guide channel outside is provided with cooling pipe, and connecting liquid inlet pipe and liquid outlet pipe are connected on cooling pipe, and air inlet pipe is communicated on guide channel, the heat preservation layer of annealing furnace maintains stable annealing temperature, and it is sealingly docked with the guide channel of stainless steel material, frame stranding machine, combined with the protective gas that air inlet pipe and flow regulating valve pass in, form whole process closed protective atmosphere, put an end to conductor oxidation, guide roller with ceramic coating in guide channel is guided by bearing rotation, reduce conductor friction damage.

Description

Technical Field

[0001] This utility model relates to the technical field of wire and cable manufacturing equipment, specifically to a conductor stranding device with annealing function. Background Technology

[0002] In the field of conductor (such as copper wire and aluminum wire) processing, three core processes, namely wire drawing, annealing, and stranding, are usually required to meet the requirements of conductivity and structural strength. Existing processing equipment mostly adopts a decentralized layout, with wire drawing modules, annealing furnaces, and stranding equipment set up independently, lacking a unified support and positioning structure. This makes it difficult to accurately align the axes between the equipment. After the conductor is output from the wire drawing module, it is easy to cause surface scratches or deformation due to friction with equipment parts caused by the deviation of the conveying path. Moreover, there is no sealed connection channel between the annealing furnace and the stranding equipment. The conductor after high-temperature annealing is directly exposed to the air, which is easy to react with oxygen to form an oxide layer, reducing the surface quality of the conductor and making it difficult to meet the actual needs of high-precision conductor processing. Therefore, this utility model proposes a conductor stranding device with annealing function to solve the above problems. Utility Model Content

[0003] The purpose of this invention is to provide a conductor stranding device with an annealing function to solve the problems mentioned in the background art.

[0004] To achieve the above objectives, this utility model provides the following technical solution: a conductor stranding device with annealing function, comprising a supporting base plate, on which a wire drawing module, an annealing furnace, and a frame stranding machine are fixed. The wire exit end of the wire drawing module is aligned with the wire inlet end of the annealing furnace. The wire exit end of the annealing furnace is sealed to one end of a guide channel, and the other end of the guide channel is sealed to the wire inlet end of the frame stranding machine. A guide roller is provided inside the guide channel, and a cooling pipe is provided outside the guide channel. A liquid inlet pipe and a liquid outlet pipe are connected to the cooling pipe, and an air inlet pipe is connected to the guide channel.

[0005] Preferably, the guide rollers are spaced apart in the horizontal direction and are rotatably connected to the inner wall of the guide channel via bearings, and the outer surface of the guide rollers is provided with a ceramic coating.

[0006] Preferably, the annealing furnace is a sealed cavity with an insulation layer on its inner wall, and the annealing furnace is connected to the guide channel to form a closed space.

[0007] Preferably, the cooling pipe is wound around the outer wall of the guide channel in a spiral coil structure along the vertical direction, and the cooling pipe is made of copper.

[0008] Preferably, the intake pipe is equipped with a flow regulating valve for regulating the flow rate of the protective gas.

[0009] Preferably, the guide channel is a stainless steel tubular structure.

[0010] Preferably, the intake pipe is connected to an external protective gas source.

[0011] Compared with the prior art, the beneficial effects of this utility model are: The insulation layer of the annealing furnace maintains a stable annealing temperature. Its sealed connection with the stainless steel guide channel and frame stranding machine, combined with the protective gas introduced through the air inlet pipe and flow regulating valve, forms a fully enclosed protective atmosphere to prevent conductor oxidation. The guide roller with ceramic coating inside the guide channel rotates through bearings to reduce conductor friction damage. The spirally wound copper cooling pipe on the outer wall achieves circulating cooling through the liquid inlet and outlet pipes, so that the conductor is cooled evenly, avoiding performance fluctuations. The overall process is simplified, the equipment stability is improved, and the conductor processing accuracy and product quality are significantly improved. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the overall structure of this utility model.

[0013] Figure 2 This is a schematic diagram of the external structure of the guide channel of this utility model.

[0014] Figure 3 This is a schematic diagram of the cooling pipe structure of this utility model.

[0015] Figure 4 This is a schematic diagram of the structure of this utility model from another perspective.

[0016] Figure 5 This is a schematic diagram of the internal structure of the guide channel of this utility model.

[0017] In the diagram: 1. Support base plate; 2. Wire drawing module; 3. Annealing furnace; 4. Frame stranding machine; 5. Guide channel; 6. Guide roller; 7. Cooling pipe; 8. Liquid inlet pipe; 9. Liquid outlet pipe; 10. Air inlet pipe. Detailed Implementation

[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0019] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; 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; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0020] Please see Figures 1 to 5 This utility model provides a technical solution: a conductor stranding device with annealing function, including a supporting base plate 1, which is a rigid metal plate. The upper end of the supporting base plate is fixedly installed with a wire drawing module 2, an annealing furnace 3, and a frame stranding machine 4 by fastening bolts. The three are arranged in sequence along the conductor conveying direction, and it is strictly ensured that the wire outlet end of the wire drawing module 2, the wire inlet end of the annealing furnace 3, the two ends of the guide channel 5, and the wire inlet end of the frame stranding machine 4 are collinear, which effectively avoids friction damage caused by path deviation during conductor conveying. The wire drawing module 2 and the frame stranding machine 4 adopt mature conductor wire drawing equipment and frame stranding equipment in the prior art. The working principle of the core wire drawing mechanism and the stranding mechanism follows the prior art. This utility model mainly optimizes its installation layout and the connection structure between each process.

[0021] Annealing furnace 3 is a sealed cavity with openings at both ends. Its inner wall is lined with an insulation layer made of high-temperature resistant ceramic fiber material, which has good heat insulation performance and can stably maintain the annealing temperature in the furnace within a preset range, ensuring that the conductivity and mechanical strength of the conductor after annealing meet the standards. The inlet end of annealing furnace 3 is sealed and aligned with the outlet end of wire drawing module 2 through an integrated butt sleeve. The inner wall of the butt sleeve is fitted with a high-temperature resistant sealing ring to achieve a seamless sealing connection between the two, preventing external air from entering the furnace and reacting with the high-temperature conductor to cause oxidation. The outlet end of annealing furnace 3 is fixedly connected to one end of guide channel 5 through a flange structure. A graphite sealing gasket is added to the flange mating surface, and the seal is locked by bolt tightening to ensure no gas leakage at the connection. Annealing furnace 3 uses mature conductor annealing equipment in the prior art to anneal the drawn conductor to optimize its conductivity and mechanical strength.

[0022] like Figure 2As shown, the guide channel 5 adopts a 304 stainless steel tubular structure, which has the characteristics of corrosion resistance, high temperature resistance and high structural strength. Its other end is connected to the inlet end of the frame stranding machine 4 through a flange sealing structure of the same specification, so that the annealing furnace 3, the guide channel 5 and the frame stranding machine 4 form a continuous closed space. Multiple sets of guide rollers 6 are evenly spaced in the horizontal direction inside the guide channel 5. Both ends of each set of guide rollers 6 are rotatably connected to the inner wall of the guide channel 5 through bearings. The bearings adopt the high temperature resistant deep groove ball bearings of the prior art, which can ensure that the guide rollers 6 can rotate flexibly in the high temperature environment. The outer surface of the guide rollers 6 is prepared with a ceramic coating by the plasma spraying process of the prior art. The ceramic coating has the characteristics of high hardness and low friction coefficient, which can accurately guide the conductor to be transported along the axis and avoid the conductor surface being scratched by friction.

[0023] The outer wall of the guide channel 5 is tightly wound with a cooling pipe 7 along the vertical direction. The cooling pipe 7 is made of copper, which has excellent thermal conductivity. The cooling pipe 7 has a spiral coil structure design, which can maximize the contact area with the outer wall of the guide channel 5 and improve the heat exchange efficiency. The upper end of the cooling pipe 7 is welded to the liquid inlet pipe 8, and the lower end is welded to the liquid outlet pipe 9. Both the liquid inlet pipe 8 and the liquid outlet pipe 9 are externally connected to the existing industrial circulating cooling system. The residual heat of the conductor in the guide channel 5 is quickly removed by the circulation of the cooling medium, so as to achieve uniform cooling of the conductor and avoid the conductor performance fluctuation or structural deformation caused by natural cooling.

[0024] like Figure 3 As shown, an air inlet pipe 10 is welded to the upper side wall of the guide channel 5. The end of the air inlet pipe 10 away from the guide channel 5 is connected to a protective gas source in the prior art, such as a nitrogen cylinder, through a quick connector. A flow regulating valve is fixedly installed on the air inlet pipe 10. The flow regulating valve adopts a ball valve in the prior art. The operator can flexibly adjust the flow rate of the protective gas according to the production conditions, so that the closed space formed by the annealing furnace 3 and the guide channel 5 is always filled with protective gas, and the internal air is completely discharged. This fundamentally prevents the conductor after high-temperature annealing from contacting oxygen and undergoing an oxidation reaction, ensuring that the conductor surface remains clean and smooth, and meeting the requirements of high-precision conductor processing.

[0025] The conductor first enters the wire drawing module 2, which is fixed on the support base plate 1, for wire drawing. Because the wire exit end of the last wire drawing die of the wire drawing module 2 is sealed and aligned with the wire inlet end of the annealing furnace 3, the wire-drawn conductor can enter the annealing furnace 3 in a straight line without deviation. The heat insulation layer provided on the inner wall of the annealing furnace 3 can maintain a stable annealing temperature, ensuring that the conductor is annealed in the sealed cavity. After annealing, the conductor directly enters the guide channel 5, which is sealed and connected to the wire exit end of the annealing furnace 3 through a sealing flange. The guide channel 5 is equipped with a guide roller 6. The ceramic coating on the outer surface of the guide roller 6 is closely attached to the conductor, which can accurately guide the conductor to be stably transported along the axis of the guide channel 5, avoiding surface damage caused by the conductor deviating and rubbing against the inner wall of the channel. Meanwhile, the cooling pipe 7, which is spirally wound vertically on the outer wall of the guide channel 5, is connected to the cooling medium provided by the external cooling medium supply device through the liquid inlet pipe 8 connected to the upper inlet. After passing through the cooling pipe 7, the cooling medium flows into the external recovery tank from the liquid outlet pipe 9 connected to the lower outlet, forming a circulating cooling, so that the conductor cools down evenly after annealing, avoiding the fluctuation of conductor performance caused by natural cooling. During this process, the air inlet pipe 10, which is connected to the side wall of the guide channel 5 and equipped with a flow regulating valve, is connected to an external protective gas source, such as a nitrogen cylinder. The flow rate of nitrogen is controlled by the flow regulating valve. After the nitrogen fills the guide channel 5, it flows back into the annealing furnace 3, forming a protective atmosphere covering the annealing furnace 3 and the guide channel 5 throughout the process, preventing the conductor from oxidizing due to contact with air. Finally, the cooled and protected conductor directly enters the frame stranding machine 4, which is sealed and fixed to the other end of the support base plate 1 and connected to the outlet end of the guide channel 5, to complete the multi-strand stranding operation. The entire process relies on the integrated fixation of each component by the support base plate 1 to ensure the overall stability of the equipment.

[0026] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0027] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A conductor stranding device with annealing function, comprising a supporting base plate (1), characterized in that: The support base plate (1) is fixed with a wire drawing module (2), an annealing furnace (3) and a frame stranding machine (4). The wire drawing module (2) is aligned with the wire inlet of the annealing furnace (3). The wire inlet of the annealing furnace (3) is sealed to one end of the guide channel (5). The other end of the guide channel (5) is sealed to the wire inlet of the frame stranding machine (4). The guide channel (5) is equipped with a guide roller (6) inside. The guide channel (5) is equipped with a cooling pipe (7) outside. The cooling pipe (7) is connected to a liquid inlet pipe (8) and a liquid outlet pipe (9). The guide channel (5) is connected to an air inlet pipe (10).

2. The conductor stranding device with annealing function according to claim 1, characterized in that: The guide rollers (6) are spaced apart in the horizontal direction and are rotatably connected to the inner wall of the guide channel (5) through bearings. The outer surface of the guide rollers (6) is provided with a ceramic coating.

3. The conductor stranding device with annealing function according to claim 2, characterized in that: The annealing furnace (3) is a sealed cavity with an insulation layer on its inner wall. The annealing furnace (3) and the guide channel (5) are connected to form a closed space.

4. A conductor stranding device with annealing function according to claim 3, characterized in that: The cooling pipe (7) is spirally coiled around the outer wall of the guide channel (5) in a vertical direction, and the material of the cooling pipe (7) is copper.

5. A conductor stranding device with annealing function according to claim 4, characterized in that: The intake pipe (10) is equipped with a flow regulating valve for regulating the flow rate of the protective gas.

6. A conductor stranding device with annealing function according to claim 5, characterized in that: The guide channel (5) is a stainless steel tubular structure.

7. A conductor stranding device with annealing function according to claim 6, characterized in that: The intake pipe (10) is connected to an external protective gas source.

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