Wire inlet main shaft of bunch stranding machine and bunch stranding machine

Abstract

The wire inlet main shaft comprises a main shaft, the center of the main shaft is provided with a wire penetrating hole, the main shaft is provided with a concave cavity, the concave cavity is communicated with the wire penetrating hole, the main shaft is further fixedly provided with a twisting bow plate, the concave cavity is located on the side face of the twisting bow plate, the side face of the twisting bow plate is further fixedly provided with a supporting plate, and the supporting plate is arranged on the supporting plate. The supporting plate is located above the concave cavity, a bearing in the supporting plate is connected with a main shaft guide wheel, the main shaft guide wheel and the inner wall of the concave cavity form a threading channel, two ends of the stranding bow plate are connected with stranding bow seats, the stranding bow seat at one end is provided with a wire inlet transition guide wheel subassembly, and the stranding bow seat at the other end is provided with a wire outlet transition guide wheel subassembly. According to the utility model, the supporting plate is fixed on the side surface of the stranding bow plate, the bearing of the main shaft guide wheel is connected in the supporting plate, the distance between the main shaft guide wheel and the stranding bow plate is reduced, the main shaft guide wheel is simultaneously positioned between the concave cavity and the stranding bow plate, the connection between the stranding bow plate and the main shaft is enhanced, and the rigidity of the stranding bow plate is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of bundle twisting machine equipment, in particular to a wire inlet main shaft of a bundle twisting machine and a bundle twisting machine. Background Art

[0002] In the existing bundle twisting machine, when the cable is fed in, the bearing seat is usually installed on the main shaft, and the guide wheel is installed in the bearing seat, so that the cable is guided to the twisting bow seat by the guide wheel. In this installation method of the guide wheel, the distance between the guide wheel and the twisting bow plate is large, and the twisting bow plate is only connected to the main shaft, and the rigidity is poor. Therefore, in order to improve the rigidity of the twisting bow plate, the cable feeding main shaft and the bundle twisting machine are designed. Utility Model Content

[0003] The purpose of the utility model is to provide a wire feeding spindle of a bundle twisting machine and a bundle twisting machine. By fixing a support plate on the side of a twisting bow plate and connecting the spindle guide wheel bearing in the support plate, the distance between the spindle guide wheel and the twisting bow plate is shortened, the length of the overall equipment is shortened, the wiring angle is increased, and the wiring is smoother. The spindle guide wheel is located between the concave cavity and the twisting bow plate at the same time, which strengthens the connection between the twisting bow plate and the spindle and improves the rigidity of the twisting bow plate.

[0004] The utility model provides the following technical solutions: a wire feed spindle of a bundle twisting machine comprises a spindle, a wire threading hole is provided at the center of the spindle, a concave cavity is provided on the spindle, the concave cavity is communicated with the wire threading hole, a twisting bow plate is also fixed on the spindle, the concave cavity is located on the side of the twisting bow plate, a support plate is also fixed on the side of the twisting bow plate, the support plate is located above the concave cavity, a spindle guide wheel is connected to a bearing in the support plate, the spindle guide wheel and the inner wall of the concave cavity form a wire threading channel, bow seats are connected at both ends of the twisting bow plate, a wire feed transition guide wheel assembly is installed on the bow seat at one end, and the cable is plugged into the wire feed transition guide wheel assembly through the wire threading channel.

[0005] In order to ensure that the force on the twist bow plate is uniform when it rotates, a counterweight block is fixed on the twist bow plate, and the counterweight block and the support plate are distributed symmetrically with the center.

[0006] In order to reduce the distance between the main shaft guide wheel and the twist bow plate, a clearance hole for avoiding the main shaft guide wheel is opened on the twist bow plate.

[0007] In one embodiment, there are two support plates, which are installed on both sides of the clearance hole. A guide wheel shaft is fixed at the center of the spindle guide wheel. The guide wheel shaft is connected between the support plates through bearings. A reinforcing plate is also connected to the outer end surface of the support plate.

[0008] In order to reduce the temperature of the main shaft and avoid the heat generated by twisting to affect the cable, the main shaft is connected to the frame through the first bearing and the second bearing. A cooling fan is also fixed on the frame. The first bearing and the second bearing are located on both sides of the cooling fan. The air outlet of the cooling fan is located above the main shaft.

[0009] In order to limit the first bearing, a rear spacer and a rear pressure cover are connected to the left end face of the first bearing, a front pressure cover is connected to the right end face of the second bearing, and an inner bearing spacer and an outer bearing spacer are also arranged between the first bearings.

[0010] In order to drive the main shaft to rotate, a synchronous wheel is connected to the main shaft through a keyway, and the synchronous wheel is located on the side of the rear spacer.

[0011] In order to install the other end of the main shaft in the frame, a third bearing is installed on the other end of the main shaft, and the third bearing is located on the right side of the twisting bow plate. A spacer is connected to the end face of the third bearing, and the spacer is fixed on the main shaft. A bearing seat is fixed on the outer side of the third bearing, and a pressure cover is connected to the side of the bearing seat.

[0012] The utility model also provides a technical solution: a bundle twisting machine, comprising the wire inlet main shaft of the bundle twisting machine.

[0013] Compared with the prior art, the beneficial effects achieved by the utility model are:

[0014] (1) By fixing the support plate on the side of the twist bow plate and connecting the spindle guide wheel bearing inside the support plate, the distance between the spindle guide wheel and the twist bow plate is shortened, the length of the overall equipment is shortened, the wiring angle is increased, and the wiring is smoother;

[0015] (2) The spindle guide wheel is located between the concave cavity and the twist bow plate, which strengthens the connection between the twist bow plate and the spindle and improves the rigidity of the twist bow plate;

[0016] (3) Install a counterweight on the bow plate. Use the counterweight to evenly distribute the weight on the bow plate so that the center of gravity of the bow plate is in the same straight line as the center line of the main shaft, further ensuring that the force on the bow plate is uniform when rotating, thereby reducing the friction between the bow plate and the main shaft, making the bow plate rotate more smoothly and reducing the generation of noise. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0018] Figure 1 This is a structural schematic diagram of the inlet main shaft of the utility model;

[0019] Figure 2 It is a schematic diagram of the installation structure of the main shaft guide wheel of the utility model;

[0020] In the figure: 1. synchronous wheel; 2. rear spacer; 3. rear pressure cover; 4. outer spacer of bearing; 5. inner spacer of bearing; 6. main shaft; 61. threading hole; 62. concave cavity; 7. bearing retaining ring; 8. front pressure cover; 9. main shaft guide wheel; 10. twisting bow plate; 11. twisting bow seat; 12. pressure cover; 14. bearing seat; 15. spacer; 16. reinforcement plate; 17. support plate; 18. bearing pressure cover; 19. guide wheel shaft; 20. counterweight; 21. bow belt pressure plate; 22. inlet excessive guide wheel assembly; 23. oil retaining ring; 24. cooling fan; 25. frame; 26. first bearing; 27. second bearing; 28. third bearing. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] Embodiment 1

[0023] See also Figure 1The utility model provides a technical solution: a wire feed spindle of a bundle twisting machine and a bundle twisting machine, including a spindle 6, a threading hole 61 is provided in the center of the spindle 6, the cable enters the spindle 6 from the threading hole 61, a concave cavity 62 is provided on the spindle 6, the concave cavity 62 is a circular arc-shaped lower groove, the concave cavity 62 is connected with the threading hole 61, a twisting bow plate 10 is also fixed on the spindle 6, the concave cavity 62 is located on the side of the twisting bow plate 10, a support plate 17 is also fixed on the side of the twisting bow plate 10, the support plate 17 is located above the concave cavity 62, a spindle guide wheel 9 is connected to the bearing on the support plate 17, the spindle guide wheel 9 is located in the concave cavity 62, the spindle guide wheel 9 and the inner wall of the concave cavity 62 form a threading channel, the two ends of the twisting bow plate 10 are connected to the twisting bow seat 11, the twisting bow seat 11 at one end is equipped with a wire feed transition guide wheel part 22, and the wire feed transition The guide wheel assembly 22 is connected to the twisting bow seat 11 through the bow belt pressure plate 21, and the cable is inserted into the incoming wire guide wheel assembly 22 through the threading channel, and is led out from the incoming wire guide wheel assembly 22 to another guide wheel of the bundle twisting machine. In this technical solution, by installing the support plate 17 on the side of the twisting bow plate 10 and connecting the main shaft guide wheel 9 bearing to the support plate 17, the distance between the main shaft guide wheel 9 and the twisting bow plate 10 is shortened, the size of the overall equipment is reduced, and the footprint of the equipment is reduced; in this technical solution, the main shaft guide wheel 9 is simultaneously arranged in the concave cavity 62 of the main shaft 6 and in the support plate 17, which improves the rigidity of the twisting bow plate 10, further improves the bearing capacity of the twisting bow plate 10, and enables the twisting bow plate 10 to adapt to a higher rotation speed, thereby improving the production speed of the bundle twisting machine.

[0024] A counterweight 20 is also fixed on the twisting bow plate 10. The counterweight 20 and the support plate 17 are distributed symmetrically with the center. The counterweight 20 and the support plate 17 are respectively located below and above the main shaft 6, so that the center of gravity of the twisting bow plate 10 is in the same straight line as the center line of the main shaft 6, so that the upper and lower sides of the twisting bow plate 10 are evenly stressed when rotating, thereby improving the smoothness of the rotation of the twisting bow plate 10, avoiding vibration of the twisting bow plate 10 caused by uneven force, and further reducing the generation of noise.

[0025] The bow plate 10 is provided with a clearance hole for avoiding the spindle guide wheel 9. The clearance hole is provided so that the spindle guide wheel 9 is located inside the bow plate 10, and the spindle guide wheel 9 is used to enhance the rigidity of the bow plate 10.

[0026] The main shaft 6 is connected to the frame 25 through the first bearing 26 and the second bearing 27. The first bearing 26 is an angular contact ball bearing, and the second bearing 27 is a cylindrical roller bearing. A cooling fan 24 is also fixed on the frame 25. The first bearing 26 and the second bearing 27 are located on both sides of the cooling fan 24. The air outlet of the cooling fan 24 is located above the main shaft 6. The twisting of the cables will cause friction and generate heat. Long-term production will greatly increase the temperature of the main shaft 6. The cooling fan is used to cool the main shaft 6 to reduce the temperature of the main shaft 6, thereby preventing the temperature rise of the main shaft 6 from affecting the twisting of the copper wire.

[0027] The left end face of the first bearing 26 is connected to the rear spacer 2 and the rear pressure cover 3, the right end face of the second bearing 27 is connected to the front pressure cover 8, there are three first bearings 26, and inner bearing spacers 5 and outer bearing spacers 4 are arranged between the first bearings 26. The first bearing 26 is positioned by the inner bearing spacer 5 and the outer bearing spacer 4, and fixed by the rear spacer 2 and the rear pressure cover 3.

[0028] The main shaft 6 is also connected to a synchronous wheel 1 through a keyway. The synchronous wheel 1 is located on the side of the rear spacer 2. The rotation of the synchronous wheel 1 drives the main shaft 6 to rotate, thereby driving the cables in the main shaft 6 to rotate and twist.

[0029] A third bearing 28 is installed on the other end of the main shaft 6. The third bearing 28 is a spherical roller bearing. The third bearing 28 is located on the right side of the twisting bow plate 10. A spacer sleeve 15 is connected to the end face of the third bearing 28. The spacer sleeve 15 is fixed on the main shaft 6. A bearing seat 14 is fixed to the outer side of the third bearing 28. A pressure cover 12 is connected to the side of the bearing seat 14. The third bearing 28 is fixed by the pressure cover 12 and the spacer sleeve 15.

[0030] Embodiment 2

[0031] like Figure 2 As shown, in the present embodiment, there are two support plates 17, which are installed on both sides of the clearance hole. A guide wheel shaft 19 is fixed at the center of the spindle guide wheel 9, and the guide wheel shaft 19 is connected between the support plates 17 through a bearing. A reinforcing plate 16 is also connected to the outer end surface of the support plate 17, and the reinforcing plate 16 enhances the connection strength between the support plate 17 and the twisting bow plate 10. By installing the spindle guide wheel 9 between the two support plates 17, the rigidity of the spindle guide wheel 9 and the stability of the cable transportation are improved.

[0032] The utility model also provides a technical solution: a bundle twisting machine, comprising the wire inlet main shaft of the bundle twisting machine.

[0033] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A wire feed spindle of a bundle stranding machine, including a spindle, characterized in that: A threading hole is provided at the center of the main shaft, and a concave cavity is provided on the main shaft, which is connected to the threading hole. A twisting bow plate is also fixed on the main shaft, and the concave cavity is located on the side of the twisting bow plate. A support plate is also fixed on the side of the twisting bow plate, and the support plate is located above the concave cavity. A main shaft guide wheel is connected to the bearing in the support plate, and the main shaft guide wheel and the inner wall of the concave cavity form a threading channel. Both ends of the twisting bow plate are connected to twisting bow seats, and a wire feed guide wheel assembly is installed on the twisting bow seat at one end, and the cable is inserted into the wire feed guide wheel assembly through the threading channel.

2. The wire inlet spindle of the bundle stranding machine according to claim 1, characterized in that: A counterweight block is also fixed on the twist bow plate, and the counterweight block and the support plate are centrally symmetrically distributed.

3. The wire inlet spindle of the bundle stranding machine according to claim 1, characterized in that: A clearance hole for avoiding the main shaft guide wheel is provided in the twist bow plate.

4. The wire inlet spindle of the bundle stranding machine according to claim 3, characterized in that: There are two support plates, which are installed on both sides of the clearance hole. A guide wheel shaft is fixed at the center of the spindle guide wheel. The guide wheel shaft is connected between the support plates through bearings. A reinforcing plate is also connected to the outer end surface of the support plate.

5. The wire inlet spindle of the stranding machine according to claim 1, characterized in that: The main shaft is connected to the frame through the first bearing and the second bearing. A cooling fan is also fixed on the frame. The first bearing and the second bearing are located on both sides of the cooling fan. The air outlet of the cooling fan is located above the main shaft.

6. The wire inlet spindle of the bundle stranding machine according to claim 5, characterized in that: A rear spacer and a rear pressure cover are connected to the left end surface of the first bearing, a front pressure cover is connected to the right end surface of the second bearing, and an inner bearing spacer and an outer bearing spacer are also arranged between the first bearings.

7. The wire inlet spindle of the bundle stranding machine according to claim 6, characterized in that: The main shaft is also connected with a synchronous wheel via a keyway, and the synchronous wheel is located on the side of the rear spacer.

8. The wire inlet spindle of the stranding machine according to claim 1, characterized in that: A third bearing is installed on the other end of the main shaft, and the third bearing is located on the right side of the twist bow plate. A spacer is connected to the end face of the third bearing, and the spacer is fixed on the main shaft. A bearing seat is fixed on the outer side of the third bearing, and a pressure cover is connected to the side of the bearing seat.

9. A bundle twisting machine, characterized in that: A wire feed spindle for the stranding machine comprising any one of claims 1 to 7.

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