Heating device for production of copper-clad steel grounding stranded wire

Abstract

The invention relates to the technical field of copper-clad steel grounding stranded wire production, and discloses a heating device for copper-clad steel grounding stranded wire production, which comprises an annealing furnace, an electric heating belt is arranged on the inner wall of the annealing furnace, and a first opening and closing door and a second opening and closing door are symmetrically arranged on the annealing furnace. The grounding stranded wire is inserted into the second opening and closing door from one end of the first opening and closing door through the guide wheel, then the grounding stranded wire is guided from the second opening and closing door to return to the first opening and closing door through the guide wheel, the operation is repeated from bottom to top for several times and is clamped and fixed through the terminal clamping assembly, and then all the sliding frames are switched to the stretching state. In the process, all the guide wheels move to thoroughly unfold the grounding stranded wires, and the grounding stranded wires are automatically sucked into the annealing furnace to complete the laying work, so that the problem that the visual field and the operation space are limited along with the increase of the number of the wound grounding stranded wires during manual winding is avoided, and the whole process does not need to go deep into the annealing furnace.

Description

Technical Field

[0001] The invention relates to the technical field of copper-clad steel grounding stranded wire production, and in particular to a heating device for producing copper-clad steel grounding stranded wire. Background Art

[0002] The core of copper-clad steel grounding stranded wire is steel, and the outer layer is covered with copper, combining the advantages of two metals: the high strength of steel and the excellent conductivity of copper. During the production process, in order to ensure that the stranded wire has the required physical and electrical properties, annealing treatment must be carried out. The main function of the heating device is to heat the stranded wire to an appropriate temperature so that the internal stress and work hardening generated during the manufacturing process can be eliminated through the annealing process, which helps to improve the ductility and toughness of the stranded wire while maintaining its conductive properties.

[0003] The traditional annealing process usually involves placing the twisted copper-clad steel grounding stranded wire into an annealing furnace, closing the furnace door to ensure good sealing, and then starting to heat up. By monitoring the temperature control system, the temperature in the furnace is ensured to be uniform and to heat up according to a predetermined program. When the furnace temperature reaches the set annealing temperature, it enters the insulation stage to fully release the internal stress of the stranded wire. After the insulation is completed, the stranded wire can be taken out after cooling for a period of time. In the process of placing the stranded wire, in order to avoid uneven annealing caused by contact between the stranded wires, it is necessary to manually wind the stranded wire on the rack to ensure that the stranded wires are properly spaced. When the number of stranded wires gradually increases, the dense arrangement of the rack will significantly increase the difficulty of the worker's operation, making it difficult to accurately place the stranded wire in the predetermined position. At the same time, since it is necessary to wind deep into the furnace, the worker's line of sight and operating space will be severely restricted, further increasing the difficulty of operation and the risk of error. Long-term repetitive labor is also likely to cause worker fatigue, thereby affecting work efficiency and winding quality. Based on this, the present invention purposely provides a heating device for copper-clad steel grounding stranded wire production that improves the convenience of stranded wire winding and ensures that the stranded wires are properly spaced. Summary of the invention

[0004] The purpose of the present invention is to address the deficiencies in the prior art and provide a heating device for the production of copper-clad steel grounding stranded wires to solve the technical problem that when the stranded wires are manually wound onto a rack, the workers' vision and operating space are severely limited, resulting in reduced work efficiency and winding quality.

[0005] The purpose of the present invention can be achieved through the following technical solutions:

[0006] A heating device for producing copper-clad steel grounding stranded wire, comprising:

[0007] An annealing furnace, wherein an electric belt is arranged on the inner wall thereof, and a first opening and closing door and a second opening and closing door are arranged symmetrically thereon, the electric belt is connected to a controller, a line inlet assembly corresponding to the first opening and closing door is arranged on the bottom plate of the annealing furnace, and a terminal clamping assembly corresponding to the second opening and closing door is arranged on the top plate thereof, a first bogie and a second bogie arranged symmetrically are rotatably installed in the annealing furnace, a plurality of guide wheels arranged at equal intervals in the longitudinal direction are fixedly installed on the first bogie and the second bogie, and the guide wheels on the first bogie and the guide wheels on the second bogie are arranged in a staggered manner;

[0008] A plurality of sliding frames, each of which is located between a first bogie and a second bogie, wherein the sliding frames are slidably installed in the annealing furnace, and two adjacent sliding frames move toward each other, the plurality of sliding frames are driven by a driving assembly to move synchronously, and the plurality of sliding frames are arranged at equal intervals in the transverse direction, and each sliding frame is fixedly mounted with a plurality of guide wheels arranged at equal intervals in the longitudinal direction, the guide wheel with the lowest horizontal height on the sliding frame corresponds to the wire feed assembly, the guide wheel with the highest horizontal height on the sliding frame corresponds to the terminal clamping assembly, and each guide wheel on the first bogie and the second bogie is located between two adjacent guide wheels on the sliding frame; and

[0009] The grounding stranded wire, when the driving assembly drives the multiple sliding frames to move to the retracted state, one end of the grounding stranded wire passes through the wire feed assembly and passes around the guide wheels on the first bogie and the second bogie from bottom to top in turn, and is then clamped and fixed by the terminal clamping assembly. At this time, the grounding stranded wire blocks the moving trajectory of the sliding frame. When the driving assembly drives the multiple sliding frames to move to the extended state, the guide wheels on the sliding frames abut the grounding stranded wire and drive the grounding stranded wire to move, and the grounding stranded wire drives the first bogie and the second bogie to rotate.

[0010] As a further solution of the present invention: the driving assembly includes threaded rods and synchronous belts, the number of the threaded rods is equal to the number of sliding frames, each threaded rod is rotatably installed on the annealing furnace, one end of two adjacent threaded rods is connected by a synchronous belt transmission, and the thread directions of the two adjacent threaded rods are opposite, one threaded rod is driven to rotate by a driving source, each threaded rod is threadedly connected to the corresponding sliding frame, and the driving source is connected to a controller.

[0011] As a further solution of the present invention: the guide wheel is of hollow design, and is provided with a plurality of transverse round rods and longitudinal round rods, and the plurality of transverse round rods and longitudinal round rods are arranged circumferentially, and the outer circumferential surfaces of the transverse round rods and the longitudinal round rods are in contact with the grounding stranded wire.

[0012] As a further solution of the present invention: the transverse round rod and the longitudinal round rod are both rotatably mounted on the guide wheel, and both are in contact with the grounding stranded wire. When the grounding stranded wire moves, the grounding stranded wire drives the transverse round rod and the longitudinal round rod to rotate.

[0013] As a further solution of the present invention: the incoming line assembly includes a guide wheel, an extension frame, a slider and a limiting wheel, the guide wheel is fixedly installed on the bottom plate of the annealing furnace, the extension frame is fixedly installed on the guide wheel, and a slide groove is opened on it, the slider is slidably installed in the slide groove, and it is connected to the slide groove through a spring, the limiting wheel is rotatably installed on the slider, and it abuts against the grounding stranded wire.

[0014] As a further solution of the present invention: the terminal clamping assembly includes a turntable and an eccentric sleeve, the turntable is arranged on the top plate of the annealing furnace, there are two eccentric sleeves, the two eccentric sleeves are rotatably installed on the turntable, and are driven to rotate by an output source, and one end of the grounding stranded wire is located between the two eccentric sleeves.

[0015] As a further solution of the present invention: the turntable is rotatably mounted on the top plate of the annealing furnace, and when the guide wheel on the sliding frame abuts against the grounding strand and drives the grounding strand to move, the grounding strand drives the turntable to rotate.

[0016] As a further solution of the present invention: the annealing furnace is connected to the exhaust hole and the charging hole, the exhaust hole is connected to the exhaust device, the charging hole is connected to the charging device, and the exhaust device and the charging device are respectively connected to the controller.

[0017] Beneficial effects of the present invention:

[0018] 1. In the present invention, by moving the sliding frame in the annealing furnace, all the sliding frames are switched between the retracted state and the extended state. In the retracted state, the grounding stranded wire is inserted from one end of the first opening and closing door through the guide wheel into the second opening and closing door, and then the grounding stranded wire is guided from the second opening and closing door through the guide wheel back to the first opening and closing door, and this is repeated several times from bottom to top until the grounding stranded wire is clamped and fixed by the terminal clamping assembly. The process is simple to operate and does not require excessive penetration into the annealing furnace. Then all the sliding frames are switched to the extended state. In this process, the movement of all the guide wheels will completely unfold the grounding stranded wire and automatically suck the grounding stranded wire into the annealing furnace to complete the layout work without manual guidance. This avoids the problem of limited vision and operating space due to the increase in the number of wound grounding stranded wires during manual winding;

[0019] 2. In the present invention, the hollow design of the guide wheel can ensure that the high temperature in the annealing furnace can be radiated to the grounding stranded wire, ensuring uniform heating, and the circumferentially arranged transverse round rods form a ring for supporting the grounding stranded wire. The contact area between the grounding stranded wire and the transverse round rods is very small, which avoids the problem of excessive contact area between the closed ring and the grounding stranded wire, resulting in uneven heating of the contact surface, thereby causing uneven annealing. Similarly, the arrangement of the longitudinal round rods also reduces the contact area between the side of the guide wheel and the grounding stranded wire;

[0020] 3. In the present invention, the sliding contact friction between the transverse round rod and the longitudinal round rod and the grounding stranded wire is converted into rolling contact friction by rotating the transverse round rod and the longitudinal round rod, which greatly reduces the resistance of the guide wheel to the movement of the grounding stranded wire. The rotation of the transverse round rod and the longitudinal round rod can also protect the surface of the grounding stranded wire. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The present invention will be further described below in conjunction with the accompanying drawings.

[0022] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0023] Figure 2 It is a structural schematic diagram of the second opening and closing door in the present invention;

[0024] Figure 3 It is a schematic diagram of the structure of the sliding frame in the retracted state of the present invention;

[0025] Figure 4 It is a front view structural schematic diagram of the sliding frame in the retracted state of the present invention;

[0026] Figure 5 The present invention Figure 4 Side view of the structure;

[0027] Figure 6 It is a schematic diagram of the structure of the sliding frame in the extended state of the present invention;

[0028] Figure 7 It is a front view structural schematic diagram of the sliding frame in the extended state of the present invention;

[0029] Figure 8 The present invention Figure 7 A schematic diagram of the structure from a side view;

[0030] Fig. 9 It is a structural schematic diagram of the guide wheel in the present invention;

[0031] Fig.10 It is a structural schematic diagram of the incoming line assembly in the present invention;

[0032] Fig.11 It is a structural schematic diagram of the terminal clamping assembly in the present invention.

[0033] In the figure: 1. Annealing furnace; 101. Exhaust hole; 102. Inflation hole; 103. First opening and closing door; 104. Second opening and closing door; 2. Grounding stranded wire; 3. Inlet assembly; 301. Extension frame; 302. Slide groove; 303. Sliding block; 304. Limiting wheel; 305. Spring; 4. Terminal clamping assembly; 401. Turntable; 402. Eccentric sleeve; 5. Sliding frame; 6. Guide wheel; 601. Horizontal round rod; 602. Longitudinal round rod; 7. Threaded rod; 701. Synchronous belt; 8. First bogie; 9. Second bogie. DETAILED DESCRIPTION

[0034] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0035] See also Figure 1-Figure 11 As shown, the present invention is a heating device for producing copper-clad steel grounding stranded wire, comprising:

[0036] An annealing furnace 1, whose inner wall is provided with an electric belt, and a symmetrically arranged first opening and closing door 103 and a second opening and closing door 104 are provided thereon, the electric belt is connected to a controller, a line inlet assembly 3 corresponding to the first opening and closing door 103 is provided on the bottom plate of the annealing furnace 1, and a terminal clamping assembly 4 corresponding to the second opening and closing door 104 is provided on the top plate thereof, a symmetrically arranged first bogie 8 and a second bogie 9 are rotatably installed in the annealing furnace 1, a plurality of guide wheels 6 arranged at equal intervals in the longitudinal direction are fixedly installed on the first bogie 8 and the second bogie 9, and the guide wheels 6 on the first bogie 8 and the guide wheels 6 on the second bogie 9 are arranged in a staggered manner;

[0037] A plurality of sliding frames 5, each of which is located between a first bogie 8 and a second bogie 9. The sliding frames 5 are slidably installed in the annealing furnace 1, and two adjacent sliding frames 5 move toward each other. The plurality of sliding frames 5 are driven to move synchronously by a driving assembly, and the plurality of sliding frames 5 are arranged at equal intervals in the horizontal direction. Each sliding frame 5 is fixedly mounted with a plurality of guide wheels 6 arranged at equal intervals in the longitudinal direction. The guide wheel 6 with the lowest horizontal height on the sliding frame 5 corresponds to the wire feed assembly 3, and the guide wheel 6 with the highest horizontal height on the sliding frame 5 corresponds to the terminal clamping assembly 4. Each guide wheel 6 on the first bogie 8 and the second bogie 9 is located between two adjacent guide wheels 6 on the sliding frame 5; and

[0038] The grounding stranded wire 2, when the driving assembly drives the multiple sliding frames 5 to move to the retracted state, one end of the grounding stranded wire 2 passes through the incoming wire assembly 3 and passes around the guide wheels 6 on the first bogie 8 and the second bogie 9 from bottom to top in turn, and is then clamped and fixed by the terminal clamping assembly 4. At this time, the grounding stranded wire 2 blocks the moving trajectory of the sliding frame 5. When the driving assembly drives the multiple sliding frames 5 to move to the extended state, the guide wheels 6 on the sliding frame 5 abut against the grounding stranded wire 2 and drive the grounding stranded wire 2 to move, and the grounding stranded wire 2 drives the first bogie 8 and the second bogie 9 to rotate.

[0039] In one case of the present embodiment, a temperature monitoring component connected to the controller is provided in the annealing furnace 1. It should be noted that the electric heating belt, controller and temperature monitoring component described in the present invention are all prior arts, and the present invention does not improve them. Therefore, there is no need to disclose their specific mechanical structure and circuit structure, which does not affect the integrity of the present invention.

[0040] In actual application of this embodiment, when the driving assembly drives the sliding frame 5 to move, the sliding frame 5 switches between the retracted state and the extended state, such as Figure 3-5 Taking the example shown in the figure, at this time all the sliding frames 5 are in a retracted state, and the sliding frames 5 are close to the middle of the annealing furnace 1. Only in this state can the operation of placing the grounding stranded wire 2 be performed. When placing the grounding stranded wire 2, the first opening and closing door 103 and the second opening and closing door 104 are opened, and one end of the grounding stranded wire 2 is passed through the first opening and closing door 103 into the wire feed assembly 3, and passes through the lowest guide wheel 6 on each sliding frame 5 in turn, and then comes to the lowest guide wheel 6 on the first bogie 8, and one end of the grounding stranded wire 2 is passed through the guide groove of the lowest guide wheel 6 on the first bogie 8 from the second opening and closing door 104, and passes through the guide wheel 6 on each sliding frame 5 in turn to the lowest guide wheel 6 on the second bogie 9, and then guides the grounding stranded wire 2 from the first opening and closing door 103 to pass through the lowest guide wheel 6 on the second bogie 9, and so on, passing through all the guide wheels 6 from bottom to top in turn, and finally one end of the grounding stranded wire 2 comes to the terminal clamping assembly 4 and is clamped and fixed, as shown in FIG. Figure 5 As shown, the preliminary placement of the grounding strand 2 is completed, and at this time the grounding strand 2 blocks the moving path of the sliding frame 5 when switching to the extended state;

[0041] When the driving assembly drives the sliding frame 5 to switch to the extended state, as shown in FIG. Figure 6-Figure 8Taking the state shown as an example, when the sliding frame 5 moves, it will abut against the grounding stranded wire 2 and drive the grounding stranded wire 2 to move. Since one end of the grounding stranded wire 2 is fixed by the terminal clamping component 4, the other end of the grounding stranded wire 2 will continuously enter from the outside of the annealing furnace 1 and continuously pass through the wire inlet component 3. This process is automatically completed without manual intervention. When the sliding frame 5 moves toward the edge of the annealing furnace 1, the grounding stranded wire 2 will drive the guide wheels 6 on the first bogie 8 and the second bogie 9 to deflect in the direction, so that the guide grooves on the first bogie 8 and the second bogie 9 are consistent with the direction of the grounding stranded wire 2, thereby ensuring the smooth movement of the grounding stranded wire 2, and finally forming the following Figure 8 As shown, at this time, the grounding stranded wire 2 is evenly wound on the guide wheel 6 in the annealing furnace 1, and the grounding stranded wires 2 are clearly spaced apart from each other to ensure uniform heating. Then, the controller closes the first opening and closing door 103 and the second opening and closing door 104 to ensure that the annealing furnace 1 is closed. Then, the electric heating belt is turned on to heat the grounding stranded wire 2. After the heating is completed, the grounding stranded wire 2 can be taken out after cooling for a period of time.

[0042] By moving the sliding rack 5 in the annealing furnace 1, all the sliding racks 5 are switched between the retracted state and the extended state. In the retracted state, the grounding stranded wire 2 is inserted from one end of the first opening and closing door 103 through the guide wheel 6 into the second opening and closing door 104, and then the grounding stranded wire 2 is guided from the second opening and closing door 104 through the guide wheel 6 back to the first opening and closing door 103. This is repeated several times from bottom to top until the grounding stranded wire 2 is clamped and fixed by the terminal clamping assembly 4. The process is simple to operate and does not require excessive penetration into the annealing furnace 1. Then all the sliding racks 5 are switched to the extended state. During this process, the movement of all the guide wheels 6 will completely unfold the grounding stranded wire 2 and automatically suck the grounding stranded wire 2 into the annealing furnace 1 to complete the layout work without manual guidance. This avoids the problem of limited vision and operating space due to the increase in the number of wound grounding stranded wires 2 during manual winding.

[0043] like Figure 1-Figure 8 As shown, as a preferred embodiment of the present invention, the driving assembly includes a threaded rod 7 and a synchronous belt 701, the number of the threaded rods 7 is equal to the number of the sliding frames 5, each threaded rod 7 is rotatably installed on the annealing furnace 1, one end of two adjacent threaded rods 7 is connected by a synchronous belt 701, and the thread directions of the two adjacent threaded rods 7 are opposite, one threaded rod 7 is driven to rotate by a driving source, each threaded rod 7 is threadedly connected to the corresponding sliding frame 5, and the driving source is connected to the controller.

[0044] In one case of this embodiment, the driving source may be a servo motor, a servo motor or other components, or other mechanisms capable of achieving rotational motion, which is not specifically limited in this embodiment.

[0045] In actual application of this embodiment, since the threaded rod 7 is threadedly connected to the sliding frame 5, and the sliding frame 5 can slide in the annealing furnace 1, when the driving source drives the threaded rod 7 to rotate, the sliding frame 5 will slide in the annealing furnace 1, and the existence of the synchronous belt 701 ensures that all the threaded rods 7 can rotate synchronously and in the same direction. Because the threads on two adjacent threaded rods 7 have opposite directions, when all the threaded rods 7 rotate synchronously, the movement directions of two adjacent sliding frames 5 will be opposite, which is specifically manifested as follows: Figure 5 When all the sliding frames 5 are in the retracted state, the threaded rod 7 drives the sliding frames 5 to move, and all the sliding frames 5 are switched to Figure 8 in short, by rotating the threaded rod 7 at a high synchronization rate, individual lags in movement of the sliding frame 5 are avoided, and two adjacent sliding frames 5 move in opposite directions. This symmetrical movement helps to balance the load, making the grounding stranded wire 2 evenly expanded and more stable.

[0046] like Fig. 9 As shown, as a preferred embodiment of the present invention, the guide wheel 6 is of hollow design, and is provided with a plurality of transverse round rods 601 and a longitudinal round rod 602, and the plurality of transverse round rods 601 and the longitudinal round rods 602 are all arranged in a circle, and the outer circumferential surfaces of the transverse round rods 601 and the longitudinal round rods 602 are in contact with the grounding stranded wire 2.

[0047] In actual application, the hollow design of the guide wheel 6 can ensure that the high temperature in the annealing furnace 1 can be radiated to the grounding stranded wire 2 to ensure uniform heating. The circumferentially arranged transverse round rods 601 form a ring to support the grounding stranded wire 2. The contact area between the grounding stranded wire 2 and the transverse round rods 601 is very small, which avoids excessive contact area between the closed ring and the grounding stranded wire 2, resulting in uneven heating of the contact surface and uneven annealing. Similarly, the arrangement of the longitudinal round rods 602 also reduces the contact area between the side of the guide wheel 6 and the grounding stranded wire 2.

[0048] like Fig. 9 As shown, as a preferred embodiment of the present invention, the transverse round rod 601 and the longitudinal round rod 602 are both rotatably installed on the guide wheel 6. When both are in contact with the grounding stranded wire 2 and the grounding stranded wire 2 moves, the grounding stranded wire 2 drives the transverse round rod 601 and the longitudinal round rod 602 to rotate.

[0049] In actual application of this embodiment, when the sliding frame 5 switches from the retracted state to the extended state, the grounding stranded wire 2 will move. In fact, the grounding stranded wire 2 slides in the guide wheel 6. When the grounding stranded wire 2 slides, due to the friction between it and the transverse round rod 601 and the longitudinal round rod 602, the transverse round rod 601 and the longitudinal round rod 602 will rotate, thereby converting the sliding contact friction into rolling contact friction, which greatly reduces the resistance of the guide wheel 6 to the movement of the grounding stranded wire 2. In addition, the rotation of the transverse round rod 601 and the longitudinal round rod 602 can also protect the surface of the grounding stranded wire 2.

[0050] like Fig.10 As shown, as a preferred embodiment of the present invention, the incoming line assembly 3 includes a guide wheel 6, an extension frame 301, a slider 303 and a limiting wheel 304, the guide wheel 6 is fixedly installed on the bottom plate of the annealing furnace 1, the extension frame 301 is fixedly installed on the guide wheel 6, and a slide groove 302 is opened on it, the slider 303 is slidably installed in the slide groove 302, and it is connected to the slide groove 302 through a spring 305, the limiting wheel 304 is rotatably installed on the slider 303, and it abuts against the grounding stranded wire 2.

[0051] In actual application of this embodiment, the grounding stranded wire 2 is passed through the middle of the guide wheel 6 and the extension frame 301, and the elastic force of the spring 305 enables the limiting wheel 304 to always abut against the grounding stranded wire 2, and the grounding stranded wire 2 abuts against the transverse round rod 601. When the sliding frame 5 switches from the contracted state to the extended state, the grounding stranded wire 2 will move and continuously pass through the middle of the guide wheel 6 and the limiting wheel 304, and the rotation of the limiting wheel 304 and the transverse round rod 601 can reduce the resistance of the grounding stranded wire 2 passing through, and the elasticity of the spring 305 makes the distance between the limiting wheel 304 and the transverse round rod 601 variable, so as to adapt to the situation where the grounding stranded wire 2 jumps when passing through quickly.

[0052] like Fig.11 As shown, as a preferred embodiment of the present invention, the terminal clamping assembly 4 includes a turntable 401 and an eccentric sleeve 402, the turntable 401 is arranged on the top plate of the annealing furnace 1, the number of the eccentric sleeves 402 is two, the two eccentric sleeves 402 are rotatably installed on the turntable 401, and are driven to rotate by an output source, and one end of the grounding stranded wire 2 is located between the two eccentric sleeves 402.

[0053] In one case of this embodiment, the output source may be a servo motor, a servo motor or other components, or may be manually rotated, which is not specifically limited in this embodiment.

[0054] In actual application of this embodiment, when one end of the grounding stranded wire 2 is placed between the two eccentric sleeves 402, the two eccentric sleeves 402 are driven to rotate through the output source so that the two eccentric sleeves 402 are close to the grounding stranded wire 2. At this time, the gap between the two eccentric sleeves 402 is reduced, so that the grounding stranded wire 2 can be clamped and fixed. Conversely, when the two eccentric sleeves 402 are rotated away from the grounding stranded wire 2, the contact has a fixing effect on the grounding stranded wire 2, and the contact area between the eccentric sleeves 402 and the grounding stranded wire 2 is small, ensuring that the grounding stranded wire 2 can be heated at high temperature to achieve a uniform annealing effect.

[0055] like Fig.11 As shown, as a preferred embodiment of the present invention, the turntable 401 is rotatably mounted on the top plate of the annealing furnace 1. When the guide wheel 6 on the sliding frame 5 abuts against the grounding strand 2 and drives the grounding strand 2 to move, the grounding strand 2 drives the turntable 401 to rotate.

[0056] In actual application, the turntable 401 is set to rotate so that when the grounding stranded wire 2 moves, the turntable 401 can adaptively turn to ensure that the clamped portion of the grounding stranded wire 2 always remains straight, thereby preventing the grounding stranded wire 2 from moving when one end of the grounding stranded wire 2 is clamped and fixed by the eccentric sleeve 402, thereby preventing the grounding stranded wire 2 from moving itself and causing a large angle bending in the contact portion with the eccentric sleeve 402, thereby playing a protective role.

[0057] like Figure 1 As shown, as a preferred embodiment of the present invention, the annealing furnace 1 is connected to the exhaust hole 101 and the charging hole 102, the exhaust hole 101 is connected to the exhaust device, the charging hole 102 is connected to the charging device, and the exhaust device and the charging device are respectively connected to the controller.

[0058] In one case of this embodiment, the exhaust device may be a vacuum pump, and the inflation device may be a valve and pipeline system, and the pipeline is connected to a protective gas source such as nitrogen, argon, etc. This embodiment does not make specific limitations here.

[0059] In actual application of this embodiment, before starting the electric belt for heating, the controller controls the exhaust equipment and the inflation equipment to flush the protective gas into the annealing furnace 1 to replace the air in the annealing furnace 1, and continuously supplies the protective gas during the heating stage of the electric belt until the grounding strand 2 is completely cooled, so that a barrier can be formed by the protective gas to isolate oxygen, thereby preventing the surface oxidation of the material of the grounding strand 2.

[0060] Working principle of the present invention: The above embodiment of the present invention provides a heating device for the production of copper-clad steel grounding stranded wire. When the sliding frame 5 is driven to move by the driving component, the sliding frame 5 will switch between a contracted state and an extended state. All sliding frames 5 are in a contracted state. At this time, the sliding frame 5 is close to the middle of the annealing furnace 1, and the operation of placing the grounding stranded wire 2 can be performed. When the grounding stranded wire 2 is placed, the driving component drives the sliding frame 5 to switch to an extended state. When the sliding frame 5 moves, it will abut against the grounding stranded wire 2 and drive the grounding stranded wire 2 to move. Since one end of the grounding stranded wire 2 is fixed by the terminal clamping component 4, the other end of the grounding stranded wire 2 will continuously enter from the outside of the annealing furnace 1 and continuously pass through the incoming wire component 3. Finally, the grounding stranded wire 2 is evenly wound on the guide wheel 6 in the annealing furnace 1, and the grounding stranded wires 2 are clearly spaced apart from each other to ensure uniform heating. Then the controller closes the first opening and closing door 103 and the second opening and closing door 104 to ensure that the annealing furnace 1 is closed, and then the electric belt is turned on to heat the grounding stranded wire 2. After the heating is completed, the grounding stranded wire 2 can be taken out after cooling for a period of time.

[0061] The above is a detailed description of an embodiment of the present invention, but the content is only a preferred embodiment of the present invention and cannot be considered to limit the scope of implementation of the present invention. All equivalent changes and improvements made within the scope of the present invention should still fall within the scope of the patent coverage of the present invention.

Claims

1. A heating device for producing copper-clad steel grounding stranded wire, characterized in that: include: An annealing furnace (1) has an electric belt arranged on its inner wall, and a first opening and closing door (103) and a second opening and closing door (104) are symmetrically arranged on the inner wall, the electric belt is connected to a controller, a line inlet assembly (3) corresponding to the first opening and closing door (103) is arranged on the bottom plate of the annealing furnace (1), and a terminal clamping assembly (4) corresponding to the second opening and closing door (104) is arranged on the top plate of the annealing furnace (1), a first bogie (8) and a second bogie (9) symmetrically arranged are rotatably installed in the annealing furnace (1), a plurality of guide wheels (6) arranged at equal intervals in the longitudinal direction are fixedly installed on the first bogie (8) and the second bogie (9), and the guide wheels (6) located on the first bogie (8) and the guide wheels (6) located on the second bogie (9) are arranged in a staggered manner; A plurality of sliding frames (5), each of which is located between a first bogie (8) and a second bogie (9), wherein the sliding frames (5) are slidably mounted in the annealing furnace (1), and two adjacent sliding frames (5) move toward each other, the plurality of sliding frames (5) are driven by a driving assembly to move synchronously, and the plurality of sliding frames (5) are arranged at equal intervals in the transverse direction, and each sliding frame (5) is fixedly mounted with a plurality of guide wheels (6) arranged at equal intervals in the longitudinal direction, the guide wheel (6) with the lowest horizontal height on the sliding frame (5) corresponds to the wire feed assembly (3), and the guide wheel (6) with the highest horizontal height on the sliding frame (5) corresponds to the terminal clamping assembly (4), and each guide wheel (6) on the first bogie (8) and the second bogie (9) is located between two adjacent guide wheels (6) on the sliding frame (5); and The grounding stranded wire (2) is a wire that passes through a wire feeder assembly (3) and passes through guide wheels (6) on a first bogie (8) and a second bogie (9) in sequence from bottom to top, and is then clamped and fixed by a terminal clamping assembly (4). At this time, the grounding stranded wire (2) blocks the moving track of the sliding frame (5). When the driving assembly drives the multiple sliding frames (5) to move to an extended state, the guide wheels (6) on the sliding frames (5) abut against the grounding stranded wire (2) and drive the grounding stranded wire (2) to move, and the grounding stranded wire (2) drives the first bogie (8) and the second bogie (9) to rotate.

2. A heating device for producing copper-clad steel grounding stranded wire according to claim 1, characterized in that: The driving assembly comprises a threaded rod (7) and a synchronous belt (701), the number of the threaded rods (7) is equal to the number of the sliding racks (5), each threaded rod (7) is rotatably mounted on the annealing furnace (1), one end of two adjacent threaded rods (7) is transmission-connected via a synchronous belt (701), and the thread directions of the two adjacent threaded rods (7) are opposite, one threaded rod (7) is driven to rotate by a driving source, each threaded rod (7) is threadedly connected to the corresponding sliding rack (5), and the driving source is connected to a controller.

3. A heating device for producing copper-clad steel grounding stranded wire according to claim 1, characterized in that: The guide wheel (6) is of hollow design, and is provided with a plurality of transverse round rods (601) and longitudinal round rods (602), and the plurality of transverse round rods (601) and longitudinal round rods (602) are arranged in a circumferential manner, and the outer circumferential surfaces of the transverse round rods (601) and longitudinal round rods (602) are in contact with the grounding stranded wire (2).

4. A heating device for producing copper-clad steel grounding stranded wire according to claim 3, characterized in that: The transverse round rod (601) and the longitudinal round rod (602) are both rotatably mounted on the guide wheel (6). When the two are in contact with the grounding stranded wire (2) and the grounding stranded wire (2) moves, the grounding stranded wire (2) drives the transverse round rod (601) and the longitudinal round rod (602) to rotate.

5. A heating device for producing copper-clad steel grounding stranded wire according to claim 4, characterized in that: The incoming wire assembly (3) comprises a guide wheel (6), an extension frame (301), a slider (303) and a limiting wheel (304); the guide wheel (6) is fixedly mounted on the bottom plate of the annealing furnace (1); the extension frame (301) is fixedly mounted on the guide wheel (6) and is provided with a slide groove (302); the slider (303) is slidably mounted in the slide groove (302) and is connected to the slide groove (302) via a spring (305); the limiting wheel (304) is rotatably mounted on the slider (303) and is in contact with the grounding stranded wire (2).

6. A heating device for producing copper-clad steel grounding stranded wire according to claim 1, characterized in that: The terminal clamping assembly (4) comprises a turntable (401) and an eccentric sleeve (402). The turntable (401) is arranged on the top plate of the annealing furnace (1). There are two eccentric sleeves (402). The two eccentric sleeves (402) are rotatably mounted on the turntable (401) and driven to rotate by an output source. One end of the grounding stranded wire (2) is located between the two eccentric sleeves (402).

7. A heating device for producing copper-clad steel grounding stranded wire according to claim 6, characterized in that: The turntable (401) is rotatably mounted on the top plate of the annealing furnace (1). When the guide wheel (6) on the sliding frame (5) abuts against the grounding strand (2) and drives the grounding strand (2) to move, the grounding strand (2) drives the turntable (401) to rotate.

8. A heating device for producing copper-clad steel grounding stranded wire according to claim 1, characterized in that: The annealing furnace (1) is in communication with the air extraction hole (101) and the air charging hole (102); the air extraction hole (101) is connected to an air extraction device; the air charging hole (102) is connected to an air charging device; and the air extraction device and the air charging device are respectively connected to a controller.

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