Efficient annealing equipment for cable manufacturing

By introducing a rotating cylinder into the annealing equipment for cable manufacturing, the cable is driven to rotate at a constant speed during heating or cooling, the problems of cable heating and uneven cooling are solved, the annealing efficiency and quality are improved, and the practicality of the equipment is enhanced.

CN222524622UActive Publication Date: 2025-02-25ZHEJIANG PERMANENT CABLE CO LTD
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Patent Information

Application Number
CN202420146201.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-01-22
Publication Date
2025-02-25
Estimated Expiration
2034-01-22

AI Technical Summary

Technical Problem

During the heating and cooling process of existing annealing equipment for cable manufacturing, the cable is heated and cooled unevenly, which affects the annealing efficiency and quality.

Method used

An annealing device with a rotating cylinder is designed. By rotating the cylinder, the connecting plate is rotated at a constant speed, so that the cable can rotate at a constant speed during heating or cooling, thereby achieving uniformity of heating and cooling.

Benefits of technology

By allowing the cable to rotate uniformly during heating or cooling, the annealing efficiency and quality are significantly improved, and the practicality of the equipment is enhanced.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of accessory devices for cable processing, in particular to efficient annealing equipment for cable manufacturing, which can drive a cable to rotate and enable the cable to be heated or cooled uniformly when the cable is heated or cooled after being fixed, so that the annealing efficiency and quality are improved, and the production cost is reduced. Therefore, the practicability of the efficient annealing equipment for cable manufacturing is enhanced. Comprising an annealing furnace, a cooling assembly, a heating assembly and a cover plate, and further comprises a connecting block, a rotating air cylinder, a connecting plate, a two-way screw rod, two sets of first sliding blocks, two sets of first arc-shaped clamping plates and an auxiliary mechanism, a preformed hole is formed in the left side of a working cavity of the annealing furnace, and the connecting block is rotationally connected with the working cavity of the annealing furnace through the preformed hole; the left end of the connecting block is connected with the output end of the right end of the rotating air cylinder, the right end of the connecting block is connected with the left end of the connecting plate, a set of sliding grooves are formed in the right end of the connecting plate, and one end of the two-way screw is rotationally connected with the connecting plate through the sliding grooves.
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Description

Technical Field

[0001] The utility model relates to the technical field of auxiliary devices for cable processing, in particular to a high-efficiency annealing device for cable manufacturing. Background Art

[0002] As we all know, annealing is a heat treatment process for materials, including metal materials and non-metal materials. It means slowly heating the metal to a certain temperature, keeping it for a sufficient time, and then cooling it at an appropriate speed. The purpose is to reduce hardness, improve cutting processability; eliminate residual stress, stabilize size, reduce deformation and crack tendency; refine grains, adjust structure, and eliminate structural defects. In the processing and manufacturing of cables, annealing process is required to make the copper wire reach the conductor performance required by cable products.

[0003] When using the existing annealing equipment for cable manufacturing, the cable to be processed is usually placed in the working chamber of the annealing furnace, and then fixed by a fixing device, and then heated by a heating component in the working chamber of the annealing furnace. When heated to a certain temperature, the heating is stopped, and the cooling component is started to cool down. When using the existing annealing equipment for cable manufacturing, it is found that because the cables to be processed are fixed by the fixing device, the cables may be heated and cooled unevenly, affecting the annealing efficiency and quality, thus resulting in poor practicality. Utility Model Content

[0004] In order to solve the above technical problems, the utility model provides an efficient annealing equipment for cable manufacturing which can drive the cable to rotate when heating or cooling operation is performed on the cable after it is fixed, so that it is heated or cooled evenly, thereby improving the annealing efficiency and quality, thereby enhancing the practicality.

[0005] The utility model discloses an efficient annealing device for cable manufacturing, comprising an annealing furnace, a cooling component, a heating component and a cover plate. The annealing furnace is provided with a working chamber, the heating components are evenly arranged inside the working chamber of the annealing furnace, and the cooling component is arranged on the top of the working chamber of the annealing furnace. The front end of the annealing furnace is provided with a cover plate, and also comprises a connecting block, a rotating cylinder, a connecting plate, a bidirectional screw, two groups of first sliding blocks, two groups of first arc-shaped clamping plates and an auxiliary mechanism. A reserved hole is arranged on the left side of the working chamber of the annealing furnace, the connecting block is rotatably connected to the working chamber of the annealing furnace through the reserved hole, the left end of the connecting block is connected to the output end of the right end of the rotating cylinder, the end of the connecting block is connected to the left end of the connecting plate, a group of sliding grooves is arranged on the right end of the connecting plate, one end of the bidirectional screw is rotatably connected to the connecting plate through the sliding groove, the two groups of first sliding blocks are respectively threadedly connected to one end of the bidirectional screw, and the two groups of first sliding blocks are respectively slidably connected to the connecting plate sliding groove, the right ends of the two groups of first sliding blocks are respectively connected to one end of a group of first arc-shaped clamping plates, and the right end of the working chamber of the annealing furnace is provided with an auxiliary mechanism.

[0006] The utility model discloses an efficient annealing device for cable manufacturing, wherein the auxiliary mechanism comprises a support block, two groups of first screw rods, two groups of second sliders, two groups of second arc-shaped clamping plates, multiple groups of rollers, four groups of bevel gears, two groups of rotating rods and an adjusting component. A reserved hole is arranged at the right end of the working chamber of the annealing furnace, the support block is rotatably connected with the working chamber of the annealing furnace through the reserved hole, a groove is arranged at the left end of the support block, a group of slide grooves are respectively arranged at the top and the bottom of the right end of the groove of the support block, the two groups of first screw rods are respectively rotatably connected with the groove of the support block through a group of slide grooves, the two groups of second sliders are respectively connected with a group of first The screw is threadedly connected, and the two groups of second sliding blocks are respectively slidably connected to the support block slide groove, the left ends of the two groups of second sliding blocks are respectively connected to one end of a group of second arc-shaped clamping plates, one end of the two groups of second arc-shaped clamping plates are respectively evenly provided with multiple rollers, one end of the two groups of first screws is respectively provided with a group of bevel gears, the right ends of the two groups of support block slide grooves are respectively provided with reserved holes, the two groups of rotating rods are respectively rotatably connected to the reserved holes, the left ends of the two groups of rotating rods are respectively provided with a group of bevel gears, and the two groups of bevel gears are respectively meshed with the bevel gears at one end of the first screw, and the right ends of the two groups of rotating rods are provided with adjustment components.

[0007] The utility model discloses an efficient annealing device for cable manufacturing. The adjusting components include two groups of transmission gears and two groups of rotating handles. The right ends of the two groups of rotating rods are respectively provided with a group of transmission gears. The two groups of rotating handles are respectively provided with inner cavities, and the inner cavities of the two groups of rotating handles are respectively provided with multiple tooth blocks. The inner cavities of the two groups of rotating handles are respectively meshed with a group of transmission gears through the tooth blocks, and the left ends of the two groups of rotating handles are respectively rotatably connected with the right ends of the supporting blocks.

[0008] The utility model provides a high-efficiency annealing device for cable manufacturing, which also comprises two groups of high-temperature resistant rubber pads. One end of the two groups of first arc-shaped clamping plates is respectively provided with a group of high-temperature resistant rubber pads.

[0009] The utility model discloses a high-efficiency annealing device for cable manufacturing, which also comprises a rotating nut. The bottom of a bidirectional screw passes through a connecting plate slide slot, and a group of rotating nuts are arranged at the bottom of the bidirectional screw.

[0010] The utility model provides a high-efficiency annealing device for cable manufacturing, which also includes a protective shell and an inspection cover. The left end of the rotating cylinder is provided with the protective shell, the left end of the protective shell is provided with the inspection cover, and the top of the inspection cover is hinged to the left end of the protective shell, and the inspection cover is evenly provided with multiple groups of heat dissipation holes.

[0011] The utility model discloses an efficient annealing device for cable manufacturing, which also includes a water collecting pipe, a water collecting box and a mounting frame. The mounting frame is arranged on the left side of the bottom of the annealing furnace, and the bottom of the water collecting box and the mounting frame are clamped. The working bottom of the annealing furnace is provided with a slope, and a through hole is arranged at the left end of the working chamber of the annealing furnace. One end of the water inlet pipe is clamped with the through hole of the annealing furnace, and the other end of the water inlet pipe is respectively connected to one side of the top of the water collecting box.

[0012] The utility model provides a high-efficiency annealing device for cable manufacturing, which also comprises a handle. The left end of the inspection cover is provided with the handle.

[0013] Compared with the prior art, the utility model has the following beneficial effects of a high-efficiency annealing device for cable manufacturing: open the cover plate, place one end of the cable between the two groups of first arc-shaped clamping plates, and then rotate the bidirectional screw so that the two groups of first sliders respectively drive one group of first arc-shaped clamping plates to move until one end of the two groups of arc-shaped clamping plates are respectively in close contact with one end of the cable, and then fix the other end of the cable through the auxiliary mechanism, close the cover plate, start the heating component for heating, and when heated to a suitable temperature, cool it down through the cooling component, and then start the rotating cylinder when annealing, so that the rotating cylinder drives the connecting plate to rotate at a uniform speed through the connecting block, so that the cable rotates at a uniform speed, so that it is heated or cooled evenly, thereby improving the annealing efficiency and quality, thereby enhancing practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a front view structural cross-sectional schematic diagram of the utility model;

[0015] Figure 2 It is a front view structural schematic diagram of the utility model;

[0016] Figure 3 It is a partial structure enlarged schematic diagram of A of the utility model;

[0017] Figure 4 It is a partial structure enlarged schematic diagram of B of the utility model;

[0018] Markings in the attached drawings: 1. Annealing furnace; 2. Cooling assembly; 3. Heating assembly; 4. Cover plate; 5. Connecting block; 6. Rotating cylinder; 7. Connecting plate; 8. Bidirectional screw; 9. First slider; 10. First arc-shaped clamping plate; 11. Support block; 12. First screw; 13. Second slider; 14. Second arc-shaped clamping plate; 15. Roller; 16. Bevel gear; 17. Rotating rod; 18. Transmission gear; 19. Rotating handle; 20. High temperature resistant rubber pad; 21. Rotating nut; 22. Protective shell; 23. Inspection cover; 24. Water collecting pipe; 25. Water collecting tank; 26. Mounting frame; 27. Handle. DETAILED DESCRIPTION

[0019] The following is a further detailed description of the specific implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0020] like Figures 1 to 4As shown, the utility model is a high-efficiency annealing equipment for cable manufacturing, including an annealing furnace 1, a cooling component 2, a heating component 3 and a cover plate 4. The annealing furnace 1 is provided with a working chamber, the heating components 3 are evenly arranged inside the working chamber of the annealing furnace 1, and the cooling component 2 is arranged on the top of the working chamber of the annealing furnace 1. The front end of the annealing furnace 1 is provided with a cover plate 4, and also includes a connecting block 5, a rotating cylinder 6, a connecting plate 7, a bidirectional screw 8, two groups of first sliders 9, two groups of first arc-shaped clamping plates 10 and an auxiliary mechanism. A reserved hole is provided on the left side of the working chamber of the annealing furnace 1, and the connecting block 5 is rotatably connected to the working chamber of the annealing furnace 1 through the reserved hole. The left end of the connecting block 5 is connected to the right end output end of the rotating cylinder 6, the end of the connecting block 5 is connected to the left end of the connecting plate 7, and the right end of the connecting plate 7 is provided with a group of slide grooves. One end of the bidirectional screw 8 is rotatably connected to the connecting plate 7 through the slide groove, and the two groups of first sliders 9 are respectively threadedly connected to one end of the bidirectional screw 8 The two groups of first sliders 9 are respectively connected to the sliding grooves of the connecting plate 7 for sliding sliding connection, and the right ends of the two groups of first sliders 9 are respectively connected to one end of a group of first arc-shaped clamping plates 10, and an auxiliary mechanism is arranged at the right end of the working chamber of the annealing furnace 1; open the cover plate, place one end of the cable between the two groups of first arc-shaped clamping plates, and then rotate the bidirectional screw so that the two groups of first sliders respectively drive one group of first arc-shaped clamping plates to move until one end of the two groups of arc-shaped clamping plates are respectively in close contact with one end of the cable, and then fix the other end of the cable through the auxiliary mechanism, close the cover plate, start the heating component for heating, and when heated to a suitable temperature, cool it down through the cooling component, and then start the rotating cylinder when performing annealing work, so that the rotating cylinder drives the connecting plate to rotate at a uniform speed through the connecting block, so that the cable rotates at a uniform speed, so that it is heated or cooled evenly, thereby improving the annealing efficiency and quality, and thus enhancing practicality.

[0021] The utility model discloses an efficient annealing device for cable manufacturing, wherein the auxiliary mechanism comprises a support block 11, two groups of first screw rods 12, two groups of second sliders 13, two groups of second arc-shaped clamping plates 14, multiple groups of rollers 15, four groups of bevel gears 16, two groups of rotating rods 17 and an adjusting component. A reserved hole is arranged at the right end of a working chamber of an annealing furnace 1, the support block 11 is rotatably connected with the working chamber of the annealing furnace 1 through the reserved hole, a groove is arranged at the left end of the support block 11, a group of slide grooves are arranged at the top and the bottom of the right end of the groove of the support block 11, the two groups of first screw rods 12 are rotatably connected with the groove of the support block 11 through a group of slide grooves, the two groups of second sliders 13 are respectively threadedly connected with a group of first screw rods 12, and the two groups of second sliders 13 are respectively slidably connected with the slide grooves of the support block 11, the left ends of the two groups of second sliders 13 are respectively connected with one end of a group of second arc-shaped clamping plates 14, and the two groups of second arc-shaped clamping plates 14 are uniformly arranged at one end thereof. Multiple rollers 15 are provided, and one end of the two groups of first screw rods 12 is respectively provided with a group of bevel gears 16, and the right ends of the slide grooves of the two groups of support blocks 11 are respectively provided with reserved holes, and the two groups of rotating rods 17 are respectively rotatably connected with the reserved holes, and the left ends of the two groups of rotating rods 17 are respectively provided with a group of bevel gears 16, and the two groups of bevel gears 16 are respectively meshed with the bevel gears 16 at one end of the first screw rod 12, and the right ends of the two groups of rotating rods 17 are provided with adjustment components; the cable is inserted into the groove of the support block, and then the two groups of rotating rods are rotated through the adjustment component, and the two groups of first screw rods start to rotate through the connotation of the bevel gears, and the two groups of second sliders respectively drive one end of a group of second arc-shaped clamping plates to move until the multiple groups of rollers at one end of the two groups of second arc-shaped clamping plates are tightly attached to one end of the cable, so that the staff can quickly clamp and fix the cable, and when the cable is driven to rotate, the auxiliary cable rotation can be performed, thereby enhancing practicality.

[0022] The utility model discloses an efficient annealing device for cable manufacturing, wherein the adjusting components include two groups of transmission gears 18 and two groups of rotating handles 19, the right ends of the two groups of rotating rods 17 are respectively provided with a group of transmission gears 18, the two groups of rotating handles 19 are respectively provided with inner cavities, and the inner cavities of the two groups of rotating handles 19 are respectively provided with multiple tooth blocks, the inner cavities of the two groups of rotating handles 19 are respectively meshed with a group of transmission gears 18 through the tooth blocks, and the left ends of the two groups of rotating handles 19 are respectively rotatably connected with the right ends of the supporting blocks 11; the two groups of rotating handles are rotated, and the rotating rods are driven to rotate through the tooth blocks and the transmission gear meshing, so that the staff can clamp and fix one end of the cable more quickly, thereby enhancing the practicality.

[0023] The utility model is a high-efficiency annealing device for cable manufacturing, which also includes two groups of high-temperature resistant rubber pads 20. One end of the two groups of first arc-shaped clamping plates 10 is respectively provided with a group of high-temperature resistant rubber pads 20; the cable can be prevented from being damaged due to extrusion and friction, thereby enhancing practicality.

[0024] The utility model is a high-efficiency annealing device for cable manufacturing, which also includes a rotating nut 21. The bottom of the bidirectional screw 8 passes through the sliding groove of the connecting plate 7, and a group of rotating nuts 21 are arranged at the bottom of the bidirectional screw 8; the staff can clamp and fix one end of the cable more quickly, thereby enhancing the practicality.

[0025] The utility model is a high-efficiency annealing equipment for cable manufacturing, which also includes a protective shell 22 and an inspection cover 23. The left end of the rotating cylinder 6 is provided with the protective shell 22, and the left end of the protective shell 22 is provided with the inspection cover 23. The top of the inspection cover 23 and the left end of the protective shell 22 are hinged, and the inspection cover 23 is evenly provided with a plurality of groups of heat dissipation holes. The rotating cylinder can be protected to prevent damage caused by collision and other factors that affect normal work, and the heat generated by the rotating cylinder during operation can be discharged through the heat dissipation holes, thereby enhancing practicality.

[0026] The utility model discloses an efficient annealing equipment for cable manufacturing, which also includes a water collecting pipe 24, a water collecting box 25 and a mounting frame 26. The mounting frame 26 is arranged on the left side of the bottom of the annealing furnace 1, and the bottom of the water collecting box 25 and the mounting frame 26 are clamped together. The working bottom of the annealing furnace 1 is provided with a slope, and a through hole is arranged at the left end of the working chamber of the annealing furnace 1. One end of the water inlet pipe is clamped together with the through hole of the annealing furnace 1, and the other end of the water inlet pipe is respectively connected to one side of the top of the water collecting box 25. When cooling, the waste water and the like enter the water inlet pipe through the through hole and flow into the water collecting box through the slope at the bottom of the working chamber of the annealing furnace, which can reduce the workload of the staff for cleaning, thereby enhancing the practicality.

[0027] The utility model of a high-efficiency annealing device for cable manufacturing further comprises a handle 27, and a handle 27 is arranged at the left end of the inspection cover 23. The staff can pull the inspection cover more quickly, thus enhancing the practicality.

[0028] The utility model discloses an efficient annealing device for cable manufacturing. When working, the cover plate is opened, one end of the cable is placed between two groups of first arc-shaped clamping plates, and then the bidirectional screw is rotated by rotating the nut, so that the two groups of first sliders respectively drive one group of first arc-shaped clamping plates to move, until the high-temperature resistant rubber pads at one end of the two groups of arc-shaped clamping plates are respectively in close contact with one end of the cable, and then the cable is inserted into the groove of the support block, and then the two groups of rotating handles are rotated, and the tooth block and the transmission gear are meshed to drive the rotating rod to rotate, and the inner content of the helical gear makes the two groups of first screws start to rotate, and the two groups of second sliders respectively drive one group of second arc-shaped clamping plates One end moves until the multiple groups of rollers at one end of the two groups of second arc-shaped clamping plates are in close contact with one end of the cable, the cover is closed, and the heating component is started for heating. When heated to a suitable temperature, the temperature is lowered through the cooling component. When annealing is performed, the rotating cylinder is started to drive the connecting plate to rotate at a uniform speed through the connecting block, so that the cable rotates at a uniform speed, so that it is heated or cooled evenly, and when cooling is performed, the waste water, etc. enters the water inlet pipe through the through hole through the slope at the bottom of the working chamber of the annealing furnace and flows into the water collecting tank. Before completing the above actions, it will first be moved to the position required by the user.

[0029] The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.

[0030] The “first”, “second” and “third” mentioned in the present invention do not represent specific quantities and orders, but are merely used to distinguish names.

[0031] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. An efficient annealing device for cable manufacturing, comprising an annealing furnace (1), a cooling component (2), a heating component (3) and a cover plate (4), wherein the annealing furnace (1) is provided with a working chamber, the heating components (3) are evenly arranged inside the working chamber of the annealing furnace (1), and the top of the working chamber of the annealing furnace (1) is provided with a cooling component (2), and the front end of the annealing furnace (1) is provided with a cover plate (4), characterized in that: The invention also comprises a connecting block (5), a rotating cylinder (6), a connecting plate (7), a bidirectional screw (8), two groups of first sliders (9), two groups of first arc-shaped clamping plates (10) and an auxiliary mechanism. A reserved hole is provided on the left side of the working chamber of the annealing furnace (1). The connecting block (5) is rotatably connected to the working chamber of the annealing furnace (1) through the reserved hole. The left end of the connecting block (5) is connected to the right end output end of the rotating cylinder (6). The right end of the connecting block (5) is connected to the left end of the connecting plate (7). A group of sliding grooves are provided on the right end of the connecting plate (7). One end of the bidirectional screw (8) is rotatably connected to the connecting plate (7) through the sliding groove. The two groups of first sliders (9) are respectively threadedly connected to one end of the bidirectional screw (8). The two groups of first sliders (9) are respectively slidably connected to the sliding groove of the connecting plate (7). The right ends of the two groups of first sliders (9) are respectively connected to one end of a group of first arc-shaped clamping plates (10). The right end of the working chamber of the annealing furnace (1) is provided with an auxiliary mechanism.

2. A highly efficient annealing device for cable manufacturing as claimed in claim 1, characterized in that: The auxiliary mechanism comprises a support block (11), two groups of first screw rods (12), two groups of second sliders (13), two groups of second arc-shaped clamping plates (14), multiple groups of rollers (15), four groups of bevel gears (16), two groups of rotating rods (17) and an adjusting assembly. A reserved hole is provided at the right end of the working chamber of the annealing furnace (1). The support block (11) is rotatably connected to the working chamber of the annealing furnace (1) through the reserved hole. A groove is provided at the left end of the support block (11). A group of slide grooves are respectively provided at the top and bottom of the right end of the groove of the support block (11). The two groups of first screw rods (12) are rotatably connected to the groove of the support block (11) through a group of slide grooves. The two groups of second sliders (13) are respectively threadedly connected to a group of first screw rods (12). The two groups of second sliders (13) are respectively threadedly connected to a group of first screw rods (12). The two sliders (13) are respectively connected to the slide grooves of the support block (11) in a sliding manner. The left ends of the two groups of second sliders (13) are respectively connected to one end of a group of second arc-shaped clamping plates (14). One end of the two groups of second arc-shaped clamping plates (14) is evenly provided with multiple rollers (15). One end of the two groups of first screw rods (12) is respectively provided with a group of bevel gears (16). The right ends of the slide grooves of the two groups of support blocks (11) are respectively provided with reserved holes. The two groups of rotating rods (17) are respectively connected to the reserved holes in a rotating manner. The left ends of the two groups of rotating rods (17) are respectively provided with a group of bevel gears (16). The two groups of bevel gears (16) are respectively meshed with the bevel gears (16) at one end of the first screw rod (12). The right ends of the two groups of rotating rods (17) are provided with adjustment components.

3. An efficient annealing device for cable manufacturing as claimed in claim 2, characterized in that: The adjustment assembly comprises two groups of transmission gears (18) and two groups of rotating handles (19); the right ends of the two groups of rotating rods (17) are respectively provided with a group of transmission gears (18); the two groups of rotating handles (19) are respectively provided with inner cavities; and the inner cavities of the two groups of rotating handles (19) are respectively provided with multiple tooth blocks; the inner cavities of the two groups of rotating handles (19) are respectively meshed with a group of transmission gears (18) through the tooth blocks; and the left ends of the two groups of rotating handles (19) are respectively rotatably connected to the right ends of the support blocks (11).

4. A highly efficient annealing device for cable manufacturing as claimed in claim 3, characterized in that: It also comprises two groups of high temperature resistant rubber pads (20), and one end of each of the two groups of first arc-shaped clamping plates (10) is provided with a group of high temperature resistant rubber pads (20).

5. A highly efficient annealing device for cable manufacturing as claimed in claim 4, characterized in that: It also includes a rotating nut (21), the bottom of the bidirectional screw rod (8) passes through the sliding groove of the connecting plate (7), and a group of rotating nuts (21) are arranged at the bottom of the bidirectional screw rod (8).

6. A highly efficient annealing device for cable manufacturing as claimed in claim 5, characterized in that: It also comprises a protective shell (22) and an inspection cover (23), wherein the left end of the rotary cylinder (6) is provided with the protective shell (22), the left end of the protective shell (22) is provided with the inspection cover (23), and the top of the inspection cover (23) is hinged to the left end of the protective shell (22), and the inspection cover (23) is evenly provided with a plurality of groups of heat dissipation holes.

7. A highly efficient annealing device for cable manufacturing as claimed in claim 6, characterized in that: It also includes a water collecting pipe (24), a water collecting box (25) and a mounting frame (26); the mounting frame (26) is arranged on the left side of the bottom of the annealing furnace (1); the bottom of the water collecting box (25) and the mounting frame (26) are clamped together; the working bottom of the annealing furnace (1) is provided with a slope; the left end of the working chamber of the annealing furnace (1) is provided with a through hole; one end of the water inlet pipe is clamped together with the through hole of the annealing furnace (1); and the other end of the water inlet pipe is respectively connected to one side of the top of the water collecting box (25).

8. An efficient annealing device for cable manufacturing as claimed in claim 7, characterized in that: It also includes a handle (27), and the left end of the inspection cover (23) is provided with a handle (27).