Cable continuous wire drawing and annealing tandem type production line

By setting up a vacuum pump and heating pipe in the cable continuous drawing annealing production line, the cable annealing is achieved in a vacuum state, and the oxygen-free cooling unit is quickly cooled, which solves the problem of oxidation after annealing and improves the cable quality and processing efficiency.

CN222551695UActive Publication Date: 2025-03-04JIANGSU ZHAOHONG CABLE EQUIP CO LTD
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Patent Information

Application Number
CN202420957327.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-06
Publication Date
2025-03-04
Estimated Expiration
2034-05-06

AI Technical Summary

Technical Problem

In the existing cable drawing and annealing technology, the cable is in a high temperature state after annealing and is prone to oxidation in a non-vacuum environment, affecting the quality and processing efficiency of the cable.

Method used

A cable continuous drawing annealing series production line is designed. By setting up a vacuum pump and heating pipe in the annealing unit, the cable is fully heated and annealed in a vacuum state, and quickly cooled through the cooling unit in an oxygen-free environment.

Benefits of technology

It effectively avoids oxidation caused by contact with oxygen after cable annealing, improves the quality and processing efficiency of the cable, and shortens the cooling time.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of cable wire drawing and annealing production, in particular to a cable continuous wire drawing and annealing tandem type production line which comprises a wire drawing main body and an annealing unit, the input end and the output end of the annealing unit are each provided with a plurality of sets of series connection mechanisms. The cooling unit is used for conducting anaerobic cooling on the annealed cable. The annealing unit comprises an annealing box and an annealing assembly. The wire drawing main body, the annealing unit and the cooling unit can be connected in series through the series mechanism, so that continuous processing is facilitated; the wire-drawing formed cable is comprehensively heated and annealed in a vacuum state through the annealing unit, so that the annealed cable is prevented from being in contact with oxygen to be oxidized; and through the arrangement of the cooling unit, the cable can be rapidly cooled in an oxygen-free environment, damage caused by oxidation of the cable is further avoided, the cooling time is shortened, and the processing efficiency is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of cable wire drawing annealing production, in particular to a cable continuous wire drawing annealing series production line. Background Art

[0002] In the production of cable copper wires, the copper wires usually need to be drawn first. The usual drawing method is to draw them through a die to the required diameter. After the drawing is completed, multiple annealing is required to eliminate the internal stress generated during the drawing process.

[0003] The Chinese patent with the authorization announcement number CN219766401U discloses a continuous annealing wire drawing device, including a wire drawing body and an annealing body, the wire drawing body is connected with the annealing body, so that the metal wire that has completed the wire drawing process in the wire drawing body can be annealed and cooled in the annealing body, and the drying component is also arranged on the downstream output side of the cooling component, and the drying component takes away the coolant remaining on the surface of the metal wire in a directional gas injection manner. The utility model can effectively dry the metal wire that has been annealed and cooled continuously.

[0004] However, the above-mentioned disclosed solutions have the following shortcomings: after annealing, the cable is in a high temperature state, the annealing body is not in a vacuum state, and external air will enter through the output end of the annealing body. The cable is easily oxidized after contacting with the air, which affects the cable quality and reduces the processing efficiency. Utility Model Content

[0005] The utility model aims to solve the problems existing in the background technology and proposes a cable continuous wire drawing annealing series production line.

[0006] The technical solution of the utility model is as follows: a cable continuous wire drawing annealing series production line, comprising a wire drawing body; and an annealing unit, wherein the input end and the output end thereof are both provided with a plurality of series mechanisms, the plurality of series mechanisms located at the input end are connected to the wire drawing body, the plurality of series mechanisms located at the output end are connected to a cooling unit, the cooling unit is used for oxygen-free cooling of the cable after annealing, the annealing unit comprises an annealing box, the top end of which is provided with a vacuum pump, the vacuum pump is used for extracting air from the annealing box to provide a vacuum environment for cable annealing, the input end and the output end of the annealing box are both provided with a plurality of first through holes, the first through holes are adapted to the series mechanisms; and an annealing assembly, wherein the plurality of groups are provided and distributed inside the annealing box, the annealing assembly is used for heating and annealing the wire drawn and formed cable.

[0007] Preferably, the annealing assembly includes a plurality of heating tubes, which are arranged in a plurality of groups and are evenly distributed and installed along the height direction inside the annealing box; and a plurality of guide wheels, which are arranged in a plurality of groups and are respectively installed on the inner side walls of the annealing box, the guide wheels corresponding to the heating tubes and used to guide the cables into the heating tubes or out of the heating tubes.

[0008] Preferably, the cooling unit includes a cooling box, which is connected to the annealing box through a series mechanism, and the input and output ends of the cooling box are both provided with multiple groups of second through holes, and the second through holes are adapted to the series mechanism; a connecting valve, which is arranged at the top of the cooling box and is used to connect to the inert gas supply mechanism; and a cooling assembly, which is provided with multiple groups and is evenly distributed inside the cooling box, and the cooling assembly is used to quickly cool down the cable.

[0009] Preferably, the cooling assembly includes several groups of lower rotating tubes, which are evenly arranged at the lower part of the cooling box; several groups of upper rotating tubes, which are evenly arranged at the upper part of the cooling box, and the lower rotating tubes and the upper rotating tubes are driven to rotate by a driving mechanism installed at the rear end of the cooling box, and the other ends of the lower rotating tubes and the upper rotating tubes extend to the outside of the cooling box; and limiting wheels, which are evenly arranged at multiple groups of lower rotating tubes and upper rotating tubes, and the lower rotating tubes, the upper rotating tubes and the limiting wheels are all made of copper material to facilitate heat conduction.

[0010] Preferably, a diverter box is installed at the output end of the connecting valve, and a plurality of groups of diverter holes are arranged at the bottom of the diverter box.

[0011] Preferably, the series mechanism includes a connecting tube, which connects the wire drawing body and the annealing box or the annealing box and the cooling box; the input end and the output end of the connecting tube are both hinged with a cover plate, and the other end of the cover plate is connected to the series mechanism through a lock; and a flexible sealing ring, which can be detachably installed inside the two ends of the series mechanism and abutted against the corresponding cover plate, and the flexible sealing ring abuts against the side wall of the wire drawing body, the annealing box or the cooling box.

[0012] Compared with the prior art, the above technical scheme of the utility model has the following beneficial technical effects: the utility model can connect the wire drawing body, annealing unit and cooling unit in series through a series mechanism, which is convenient for continuous processing; the wire drawing formed cable is fully heated and annealed in a vacuum state through the annealing unit to avoid oxidation of the cable after annealing due to contact with oxygen; the setting of the cooling unit facilitates rapid cooling of the cable in an oxygen-free environment, further avoiding damage caused by oxidation of the cable, shortening the cooling time and improving processing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0014] Figure 2 This is a schematic diagram of the annealing unit structure of the utility model;

[0015] Figure 3 This is a schematic diagram of the cooling unit structure of the utility model.

[0016] Figure numerals: 1. wire drawing body; 2. annealing box; 201. first through hole; 3. series mechanism; 301. connecting tube; 302. cover plate; 303. flexible sealing ring; 4. vacuum pump; 5. heating tube; 501. mounting frame; 502. guide wheel; 6. cooling box; 601. second through hole; 602. connecting valve; 603. diverter box; 604. diverter hole; 7. lower transfer tube; 701. upper transfer tube; 702. limiting wheel. DETAILED DESCRIPTION

[0017] Embodiment 1

[0018] like Figures 1 to 3 As shown, the utility model proposes a cable continuous wire drawing annealing series production line, comprising a wire drawing body 1 and an annealing unit; multiple sets of series mechanisms 3 are arranged at both the input end and the output end of the annealing unit, the multiple sets of series mechanisms 3 at the input end are connected to the wire drawing body 1, and the multiple sets of series mechanisms 3 at the output end are connected to a cooling unit, and the cooling unit is used to perform oxygen-free cooling on the annealed cable to avoid oxidation;

[0019] The annealing unit includes an annealing box 2 and an annealing assembly; a vacuum pump 4 is arranged at the top of the annealing box 2, and the vacuum pump 4 is used to extract the air in the annealing box 2 to provide a vacuum environment for cable annealing to avoid oxidation. The input and output ends of the annealing box 2 are both provided with multiple groups of first through holes 201, and the first through holes 201 are adapted to the series mechanism 3; multiple groups of annealing assemblies are arranged and distributed inside the annealing box 2, and the annealing assemblies are used to quickly heat and anneal the wire-drawn cables.

[0020] Furthermore, the annealing assembly includes a heating tube 5 and a guide wheel 502; a plurality of heating tubes 5 are provided, and the plurality of heating tubes 5 are evenly distributed and installed along the height direction inside the annealing box 2; the heating tubes 5 are installed inside the annealing box 2 through a mounting frame 501; electric heating wires are evenly laid in the inner wall interlayer of the heating tube 5, which are used to evenly transport heat to the inside of the heating tube 5 to heat and anneal the cables passing through; a plurality of guide wheels 502 are respectively installed on the inner side walls of the annealing box 2, and the guide wheels 502 correspond to the heating tubes 5, and are used to guide the cables into the heating tubes 5 or out of the heating tubes 5.

[0021] Furthermore, the series mechanism 3 includes a connecting tube 301 and a flexible sealing ring 303; the connecting tube 301 connects the wire drawing body 1 and the annealing box 2 or the annealing box 2 and the cooling box 6; the input end and the output end of the connecting tube 301 are both hinged with a cover plate 302, and the other end of the cover plate 302 is connected to the series mechanism 3 through a lock; the flexible sealing ring 303 is detachably installed inside the two ends of the series mechanism 3, and is abutted and connected with the corresponding cover plate 302, the flexible sealing ring 303 abuts against the side wall of the wire drawing body 1, the annealing box 2 or the cooling box 6 to improve the sealing of the connection, and the inner wall of the connecting tube 301 is provided with a limiting ring adapted to the flexible sealing ring 303 to prevent the flexible sealing ring 303 from sliding inside the connecting tube 301 following the moving cable, and the flexible sealing ring 303 is made of high temperature resistant material.

[0022] When the cable passes through the series mechanism 3, it passes through the flexible sealing ring 303. The setting of the flexible sealing ring 303 can improve the sealing of the connection between the wire drawing body 1 and the annealing box 2 and the annealing box 2 and the cooling box 6, thereby preventing air from entering and causing oxidation of the cable during annealing or cooling, thereby improving processing quality and efficiency, and the flexible sealing ring 303 can be replaced by opening the cover plate 302.

[0023] In this embodiment, the vacuum pump 4 is started to continuously extract the internal air to provide a vacuum environment for the cable to prevent oxidation after annealing. The cable raw material is drawn into shape by the drawing body 1 and then enters the annealing box 2 through the series mechanism 3. Then the cable passes through each group of heating tubes 5 in the corresponding annealing assembly in turn, and the heating tubes 5 are started to heat the cable. The provision of multiple groups of heating tubes 5 extends the heating area and duration of the cable in the annealing box 2, thereby improving the annealing efficiency. After the cable is annealed, it is introduced into the cooling unit by the series mechanism 3 at the output end of the annealing box 2 for cooling.

[0024] Embodiment 2

[0025] like Figure 1 and Figure 3 As shown, the utility model proposes a cable continuous wire drawing annealing series production line. Compared with the first embodiment, the cooling unit includes a cooling box 6, a connecting valve 602 and a cooling assembly; the cooling box 6 is connected to the annealing box 2 through the series mechanism 3, and the input and output ends of the cooling box 6 are both provided with multiple groups of second through holes 601, and the second through holes 601 are adapted to the series mechanism 3; the connecting valve 602 is arranged at the top of the cooling box 6, for connecting to the inert gas supply mechanism, the inert gas can be set to nitrogen, and the output end of the connecting valve 602 is equipped with a diverter box 603, and the bottom of the diverter box 603 is provided with several groups of diverter holes 604, which improve the uniformity of the inert gas entering the cooling box 6, improve the uniformity of the contact between the inert gas and the cable, and facilitate the blowing out of the heat inside the cooling box 6; the cooling assembly is provided with multiple groups and evenly distributed inside the cooling box 6, and the cooling assembly is used to quickly cool down the cable.

[0026] Furthermore, the cooling assembly includes a lower rotating tube 7, an upper rotating tube 701 and a limiting wheel 702; the lower rotating tube 7 is provided in several groups and is evenly arranged at the lower part of the cooling box 6; the upper rotating tube 701 is provided in several groups and is evenly arranged at the upper part of the cooling box 6, and the lower rotating tube 7 and the upper rotating tube 701 are driven to rotate by a driving mechanism installed at the rear end of the cooling box 6, and the other ends of the lower rotating tube 7 and the upper rotating tube 701 extend to the outside of the cooling box 6 for heat dissipation; there are multiple groups of limiting wheels 702, and the multiple groups of limiting wheels 702 are evenly arranged on the multiple groups of lower rotating tubes 7 and upper rotating tubes 701, and the lower rotating tube 7, the upper rotating tube 701 and the limiting wheels 702 are all made of copper material for heat conduction.

[0027] In this embodiment, the cable enters the cooling box 6 through the series mechanism 3, and nitrogen is transported to the cooling box 6 through the inert gas supply mechanism, and is continuously blown downward from a plurality of groups of diversion holes 604, so that the air inside the cooling box 6 can be discharged to prevent oxygen from entering and causing oxidation of the cable. The cable passes around the lower rotating tube 7 and the limiting wheel 702 on the upper rotating tube 701 in turn, and is then discharged from the second through hole 601 at the output end of the cooling box 6 to be wound up. The arrangement of the lower rotating tube 7, the upper rotating tube 701 and the limiting wheel 702 facilitates the transmission of the cable while absorbing the heat on the cable, and is discharged to the outside of the cooling box 6 from the ends of the lower rotating tube 7 and the upper rotating tube 701. At the same time, the nitrogen continuously blown out of the diversion hole 604 can provide a dry airflow to the cable, and blow the heat inside the cooling box 6 outward from the second through hole 601, further accelerating the heat dissipation and cooling.

[0028] The implementation modes of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited thereto, and various changes can be made within the knowledge scope of technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. A cable continuous drawing annealing tandem production line, characterized in that: include Brushed body (1); and an annealing unit, wherein the input end and the output end are both provided with a plurality of sets of series mechanisms (3), the plurality of sets of series mechanisms (3) located at the input end are connected to the wire drawing body (1), and the plurality of sets of series mechanisms (3) located at the output end are connected to a cooling unit, and the cooling unit is used to perform oxygen-free cooling on the wire after annealing. The annealing unit comprises An annealing box (2) is provided with a vacuum pump (4) at the top thereof, and the vacuum pump (4) is used to extract air from the annealing box (2) to provide a vacuum environment for cable annealing. The annealing box (2) is provided with a plurality of groups of first through holes (201) at both the input end and the output end, and the first through holes (201) are adapted to the series connection mechanism (3); And an annealing assembly, which is provided in multiple groups and distributed inside the annealing box (2), and the annealing assembly is used to heat and anneal the wire drawn and formed cables.

2. A cable continuous drawing annealing tandem production line according to claim 1, characterized in that: Annealing components include A plurality of heating tubes (5) are provided, and the plurality of heating tubes (5) are evenly distributed and installed along the height direction of the interior of the annealing box (2); and guide wheels (502), which are provided in multiple groups. The multiple groups of guide wheels (502) are respectively installed on the inner side walls of the annealing box (2). The guide wheels (502) correspond to the heating tube (5) and are used to guide the cable to enter the heating tube (5) or lead it out of the heating tube (5).

3. The cable continuous drawing annealing tandem production line according to claim 1, characterized in that: Cooling unit includes A cooling box (6) is connected to the annealing box (2) via a series connection mechanism (3); the input end and the output end of the cooling box (6) are both provided with a plurality of groups of second through holes (601), and the second through holes (601) are adapted to the series connection mechanism (3); A connecting valve (602) is arranged at the top of the cooling box (6) and is used to connect to an inert gas supply mechanism; And a cooling assembly, which is provided in multiple groups and evenly distributed inside the cooling box (6), and the cooling assembly is used to quickly cool down the cable.

4. A cable continuous drawing annealing tandem production line according to claim 3, characterized in that: Cooling kit includes A plurality of lower transfer pipes (7) are provided and are evenly arranged at the lower part of the cooling box (6); The upper rotating tubes (701) are provided in a plurality of groups and are evenly arranged above the interior of the cooling box (6); the lower rotating tubes (7) and the upper rotating tubes (701) are driven to rotate by a driving mechanism installed at the rear end of the cooling box (6); and the other ends of the lower rotating tubes (7) and the upper rotating tubes (701) extend to the outside of the cooling box (6); And a plurality of limiting wheels (702) are provided, and the plurality of limiting wheels (702) are evenly arranged on the plurality of lower rotating tubes (7) and upper rotating tubes (701), and the lower rotating tubes (7), the upper rotating tubes (701) and the limiting wheels (702) are all made of copper material to facilitate heat conduction.

5. A cable continuous drawing annealing tandem production line according to claim 4, characterized in that: A diverter box (603) is installed at the output end of the connecting valve (602), and a plurality of groups of diverter holes (604) are arranged at the bottom of the diverter box (603).

6. The cable continuous drawing annealing tandem production line according to claim 1, characterized in that: The series mechanism (3) includes A connecting tube (301) is connected between the wire drawing body (1) and the annealing box (2) or the annealing box (2) and the cooling box (6); the input end and the output end of the connecting tube (301) are both hinged with a cover plate (302), and the other end of the cover plate (302) is connected to the series mechanism (3) through a lock; And a flexible sealing ring (303) which is detachably mounted inside the two ends of the series mechanism (3) and is abutted against the corresponding cover plate (302); the flexible sealing ring (303) is abutted against the side wall of the wire drawing body (1), the annealing box (2) or the cooling box (6).

Citation Information

Patent Citations

  • Continuous annealing wire drawing device

    CN219766401U