阅读说明：本技术 一种滚压式防断丝送丝机构 (Rolling type wire breaking and feeding mechanism ) 是由 陈鹏 陆野 张瑞孔 李学显 吴增雷 郭宗涛 张传周 张义敬 张姗姗 于 2021-10-09 设计创作，主要内容包括：本发明属于盾尾刷生产制造设备技术领域,提出一种滚压式防断丝送丝机构,包括机台,所述机台上设置有蜗轮蜗杆减速机,蜗轮蜗杆减速机的动力输入端和动力输出端分别设置有电机和驱动辊,驱动辊的上方设置有压丝辊,压丝辊包括内外设置的钢质体和橡胶层,压丝辊和驱动辊上下分布且共同设置在支撑架上,支撑架设置在机台上,支撑架上设置有与压丝辊和驱动辊滚动配合的轴承,支撑架的两侧设置有调节孔,调节孔中设置有用来调节压丝辊高度的顶丝调节装置,机台的一侧设置有用来限制钢丝束的展平组件。本装置设计合理、结构简单、利于保证钢丝束质量、有利于提高送丝连续性且有利于提高生产效率,适合大规模推广。(The invention belongs to the technical field of shield tail brush production and manufacturing equipment, and provides a rolling type broken wire prevention and feeding mechanism which comprises a machine table, wherein a worm gear speed reducer is arranged on the machine table, a power input end and a power output end of the worm gear speed reducer are respectively provided with a motor and a driving roller, a wire pressing roller is arranged above the driving roller and comprises a steel body and a rubber layer which are arranged inside and outside, the wire pressing roller and the driving roller are distributed up and down and are jointly arranged on a support frame, the support frame is arranged on the machine table, the support frame is provided with bearings which are in rolling fit with the wire pressing roller and the driving roller, two sides of the support frame are provided with adjusting holes, a top wire adjusting device used for adjusting the height of the wire pressing roller is arranged in the adjusting holes, and one side of the machine table is provided with a flattening assembly used for limiting a steel wire bundle. The device has reasonable design and simple structure, is beneficial to ensuring the quality of the steel wire bundle, improving the wire feeding continuity and improving the production efficiency, and is suitable for large-scale popularization.)

1. The utility model provides a disconnected silk thread feeding mechanism is prevented to rolling formula, includes the board, its characterized in that, be provided with the worm gear speed reducer on the board, the power input end and the power take off end of worm gear speed reducer are provided with motor and drive roller respectively, the top of drive roller is provided with the pressure silk roller, the pressure silk roller includes the inner and outer steel body and the rubber layer that set up, distribute from top to bottom and set up on the support frame jointly with the drive roller, the support frame sets up on the board, be provided with on the support frame with pressure silk roller and drive roller roll complex bearing, the both sides of support frame are provided with the regulation hole, be provided with the jackscrew adjusting device who is used for adjusting the height of pressure silk roller in the regulation hole, jackscrew adjusting device include with bearing complex movable bearing seat, the both ends of movable bearing seat be provided with support frame contact complex baffle, the top of the movable bearing seat is rotatably provided with a jackscrew, the jackscrew is in threaded connection with the support frame, a horizontal handle rod is arranged at the top of the jackscrew, a flattening assembly is arranged on one side of the machine table and used for automatically flattening steel wire bundles fed into the flattening assembly, a vibration assembly is arranged on one side of the flattening assembly and used for discharging broken steel wires in the steel wire bundles in a vibrating mode, and a slag hopper is arranged below the vibration assembly.

2. The rolling type wire breakage preventing and feeding mechanism according to claim 1, wherein the flattening assembly comprises a limiting frame, the limiting frame comprises a bottom plate, lower side plates are arranged on two sides of the bottom plate, first vertical holes are formed in the lower side plates, an upper side plate is arranged at the top of the lower side plates, second vertical holes corresponding to the first vertical holes are formed in the upper side plates, lower limiting rods and upper limiting rods which are vertically movably matched with the first vertical holes are arranged inside the first vertical holes and the second vertical holes, and counterweight components are arranged on the upper limiting rods.

3. The rolling type wire breakage preventing and feeding mechanism of claim 2, wherein the weight component comprises a hollow cylinder, the hollow cylinder is sleeved outside the upper limiting rod, the space between the hollow cylinder and the upper limiting rod is used for storing weight materials, a conveying port used for conveying the weight materials to the inside of the hollow cylinder is arranged at the end of the hollow cylinder, necking pipes are arranged at two ends of the hollow cylinder, a sealing shaft sleeve is arranged inside the necking pipes, the outer wall of the sealing shaft sleeve is in threaded connection with the necking pipes, and the inner wall of the sealing shaft sleeve is in movable fit with the upper limiting rod.

4. The rolling type broken wire preventing and feeding mechanism according to claim 3, wherein threaded holes are formed in both sides of the upper side plate and the lower side plate and connected through screws, a pair of mortise and tenon structures symmetrically distributed about the first vertical hole and the second vertical hole are arranged on the inner sides of the upper side plate and the lower side plate, and each mortise and tenon structure comprises a mortise and a tenon plate which are inserted up and down.

5. The rolling type wire breakage preventing and feeding mechanism according to claim 1, wherein the vibration assembly comprises a pair of swing rods arranged on the side surfaces of two lower side plates, the swing rods are connected with the lower side plates through torsion springs, a vibration deflector rod is arranged at one end, away from the lower side plates, of each swing rod, two ends of each vibration deflector rod are connected with the two swing rods, each vibration deflector rod is L-shaped, the opening of each vibration deflector rod faces upwards, a connecting hole is formed in the corner of each vibration deflector rod, a spring is arranged at the connecting hole, and the other end of each spring is connected with the side surface of the machine table.

6. The rolling type broken wire prevention wire feeding mechanism of claim 4 or 5, wherein the longitudinal section of the machine table is isosceles trapezoid and two waist sides of the machine table face the moving direction of the steel wire bundle.

7. The rolled wire breakage prevention wire feeder of claim 6, wherein the rubber layer is made of polyurethane rubber, and the shore hardness of the rubber layer is 50-90 HA.

Technical Field

The invention belongs to the technical field of shield tail brush production and manufacturing equipment, and relates to a rolling type broken wire preventing wire feeding mechanism.

Background

A shield tunneling machine, called shield machine for short, is a special engineering machine for tunneling. The shield tail brush is characterized in that a certain amount of grease filler is injected into a clearance formed by fluffy steel wires after the steel wires are bent, so that a good sealing effect is achieved between the shield and the segment, underground water, outer soil, lining back grouting and the like are prevented from flowing into a tunnel, the tunneling safety is ensured, and the engineering can be smoothly carried out. The shield tail seal of the shield tunneling machine consists of 3 shield tail brushes to form two grease chambers, namely a front chamber and a rear chamber, wherein the front two are long shield tail brushes, and the third is a short shield tail brush. In recent years, large-scale shield tunneling machines in China require a large number of shield tail brushes due to the large excavation diameter. And the large shield tail brush has large bearing pressure and serious abrasion in the working process and large consumption. In addition, the shield tail brush is used as a special accessory of the shield machine, so that the number of manufacturers is small, and the market is always in a stock shortage state. Although the market demand of the shield tail brush is large, the machining and manufacturing of the shield tail brush are not automated at present, so that the productivity is low, and the cost is high.

At present, in the shield tail brush processing process, a mechanical roller continuously provides a steel wire bundle for a hair combining mechanism. Because the total weight of the steel wire bundle is larger, the tension of the steel wire can be changed in the wire feeding and cutting process, and when the steel wire long wire bundle is fed into the wool combining equipment from the steel wire frame, the abrasion of the speed reduction transmission part can be aggravated due to the overlarge pressing force of the wire feeding mechanism; moreover, when the pressing force is large, the steel wire bundles are easy to deform and bend, even the steel wire bundles can be broken, and when the pressing force is low, the steel wire bundles can slide to influence the wool combining processing quality, so that the uniformity and the stability of the product are poor. Therefore, the continuous and stable performance of the wire feeding process also becomes the key for determining the production efficiency and the product quality of the wool combining machine.

Disclosure of Invention

Aiming at the technical problems of the shield tail brush steel wire bundle in the wire feeding aspect, the invention provides a rolling type wire breakage prevention wire feeding mechanism which is reasonable in design, simple in structure, beneficial to ensuring the quality of the steel wire bundle, beneficial to improving the wire feeding continuity and beneficial to improving the production efficiency.

In order to achieve the above purpose, the technical scheme adopted by the invention is that the rolling type broken wire-breaking-preventing wire feeding mechanism comprises a machine table, a worm gear speed reducer is arranged on the machine table, a motor and a driving roller are respectively arranged at a power input end and a power output end of the worm gear speed reducer, a wire pressing roller is arranged above the driving roller, the wire pressing roller comprises a steel body and a rubber layer which are arranged inside and outside, the wire pressing roller and the driving roller are vertically distributed and are jointly arranged on a supporting frame, the supporting frame is arranged on the machine table, a bearing which is in rolling fit with the wire pressing roller and the driving roller is arranged on the supporting frame, adjusting holes are arranged at two sides of the supporting frame, a top wire adjusting device for adjusting the height of the wire pressing roller is arranged in each adjusting hole, the top wire adjusting device comprises a movable bearing seat which is matched with the bearing, and baffles which are in contact fit with the supporting frame are arranged at two ends of the movable bearing seat, the top of the movable bearing seat is rotatably provided with a jackscrew, the jackscrew is in threaded connection with the support frame, a horizontal handle rod is arranged at the top of the jackscrew, a flattening assembly is arranged on one side of the machine table and used for automatically flattening steel wire bundles fed into the flattening assembly, a vibration assembly is arranged on one side of the flattening assembly and used for discharging broken steel wires in the steel wire bundles in a vibrating mode, and a slag hopper is arranged below the vibration assembly.

Preferably, the flattening assembly comprises a limiting frame, the limiting frame comprises a bottom plate, lower side plates are arranged on two sides of the bottom plate, first vertical holes are formed in the lower side plates, upper side plates are arranged at the tops of the lower side plates, second vertical holes corresponding to the first vertical holes are formed in the upper side plates, lower limiting rods and upper limiting rods which are vertically movably matched with the first vertical holes are arranged in the first vertical holes and the second vertical holes, and counterweight components are arranged on the upper limiting rods.

Preferably, the counterweight component comprises a hollow cylinder, the hollow cylinder is sleeved outside the upper limiting rod, the hollow cylinder and the upper limiting rod are used for storing counterweight materials, a conveying port for conveying the counterweight materials to the inside of the hollow cylinder is formed in the end portion of the hollow cylinder, two ends of the hollow cylinder are provided with necking pipes, a sealing shaft sleeve is arranged inside the necking pipes, the outer wall of the sealing shaft sleeve is in threaded connection with the necking pipes, and the inner wall of the sealing shaft sleeve is in movable fit with the upper limiting rod.

Preferably, both sides of the upper side plate and the lower side plate are provided with threaded holes, the threaded holes are connected through screws, a pair of tenon-and-mortise structures which are symmetrically distributed about the first vertical hole and the second vertical hole are arranged on the inner sides of the upper side plate and the lower side plate, and each tenon-and-mortise structure comprises a tenon opening and a tenon plate which are vertically inserted.

Preferably, the vibration assembly comprises a pair of swing rods arranged on the side faces of the two lower side plates, the swing rods are connected with the lower side plates through torsion springs, one ends, far away from the lower side plates, of the swing rods are provided with vibration driving levers, the two ends of the vibration driving levers are connected with the two swing rods, the vibration driving levers are L-shaped, the openings of the vibration driving levers face upwards, connecting holes are formed in the corners of the vibration driving levers, springs are arranged at the positions of the connecting holes, and the other ends of the springs are connected with the side faces of the machine table.

Preferably, the longitudinal section of the machine table is isosceles trapezoid, and the two waist sides of the machine table face the moving direction of the steel wire bundle.

Preferably, the rubber layer is made of polyurethane rubber, and the Shore hardness of the rubber layer is 50-90 HA.

Compared with the prior art, the invention has the advantages and positive effects that:

1. according to the rolling type anti-broken wire feeding mechanism provided by the invention, the wire pressing roller not only has enough rigidity, but also adopts the elastic rubber layer to reduce the abrasion of the steel wire to the surface of the wire pressing roller and the radial compressive stress of the wire pressing roller, effectively prolongs the service life of the bearing and the corresponding transmission part, simultaneously improves the friction between the steel wire bundle and the wire pressing roller, prevents the sliding between the steel wire and the surface of the roller and between the steel wire and the steel wire, and effectively improves the working efficiency; the wire pressing roller can also ensure the constant tension of the steel wire, when the steel wire is cut off, the broken steel wire bundle can be compressed to prevent springback, and the continuous and stable wire feeding process can be ensured, so that the production efficiency of a production line is improved.

2. According to the rolling type broken wire prevention wire feeding mechanism, the top wire pressure can be accurately adjusted by using the top wire adjusting device, and meanwhile, when different numbers of steel wire bundles are adopted for different types of shield tail brushes, the pressing force of the wire pressing roller can be flexibly adjusted.

3. According to the rolling type wire breakage prevention wire feeding mechanism, the self-locking performance of the worm gear reducer is utilized, the wire breakage resilience of the steel wire bundle is effectively avoided, and the steel wire can still be firmly fixed between the wire pressing roller and the driving roller after being broken.

4. According to the rolling type broken wire-breaking-preventing wire feeding mechanism, the neatness of a steel wire bundle entering between the wire pressing roller and the driving roller can be improved by utilizing the flattening component, and the radial compressive stress of the wire pressing roller is reduced.

5. According to the rolling type broken wire prevention wire feeding mechanism provided by the invention, broken wires carried by a steel wire bundle are subjected to vibration screening by using the vibration assembly so as to improve the quality of the steel wire bundle, the abrasion and scraping of other parts are reduced, and the screened broken wires can fall into a slag hopper so as to realize reasonable collection.

The device has reasonable design and simple structure, is beneficial to ensuring the quality of the steel wire bundle, improving the wire feeding continuity and improving the production efficiency, and is suitable for large-scale popularization.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on the drawings without creative efforts.

FIG. 1 is an isometric view of a rolled wire breakage prevention wire feeder according to an embodiment;

FIG. 2 is an isometric view of a rolled wire breakage prevention wire feeder of an embodiment in another orientation;

FIG. 3 is a side view of a rolled wire breakage prevention wire feeder according to an exemplary embodiment;

FIG. 4 is a sectional view of a rolled wire breakage prevention wire feeder in the direction H-H according to an embodiment;

FIG. 5 is an enlarged schematic view of the structure A of FIG. 4;

in the above figures, 1, machine; 2. a worm gear reducer; 3. a motor; 4. a drive roller; 5. a wire pressing roller; 51. a steel body; 52. a rubber layer; 6. a support frame; 61. an adjustment hole; 7. a bearing; 8. a jackscrew adjusting device; 81. a movable bearing seat; 82. a baffle plate; 83. carrying out top thread; 84. a horizontal bar; 9. a flattening assembly; 91. a limiting frame; 911. a base plate; 912. a lower side plate; 913. an upper side plate; 914. a first vertical hole; 915. a second vertical hole; 916. a threaded hole; 917. a mortise and tenon joint structure; 92. a lower limit lever; 93. an upper limiting rod; 94. a weight member; 941. a hollow cylinder; 942. a necking pipe; 943. a delivery port; 944. sealing the shaft sleeve; 10. a vibrating assembly; 101. a swing rod; 102. vibrating a deflector rod; 103. a spring; 11. a slag hopper.

Detailed Description

In order that the above objects, features and advantages of the present invention can be more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict. For convenience of description, the words "upper", "lower", "left" and "right" used herein refer to the same directions as the drawings, and do not limit the structure.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and thus the present invention is not limited to the specific embodiments of the present disclosure.

In the embodiment, as shown in fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, the rolling type broken wire preventing and feeding mechanism provided by the present invention includes a machine table 1, a worm and gear reducer 2 is disposed on the machine table 1, a motor 3 and a driving roller 4 are respectively disposed at a power input end and a power output end of the worm and gear reducer 2, a wire pressing roller 5 is disposed above the driving roller 4, the wire pressing roller 5 includes a steel body and a rubber layer disposed inside and outside, the wire pressing roller 5 and the driving roller 4 are distributed up and down and are commonly disposed on a supporting frame 6, the supporting frame 6 is disposed on the machine table 1, a bearing 7 which is in rolling fit with the wire pressing roller 5 and the driving roller 4 is disposed on the supporting frame 6, adjusting holes 61 are disposed at two sides of the supporting frame 6, a top wire adjusting device 8 for adjusting the height of the wire pressing roller 5 is disposed in the adjusting holes 61, a flattening assembly 9 is disposed at one side of the machine table 1, the flattening assembly is used for automatically flattening a steel wire bundle fed into the flattening assembly, one side of the flattening component is provided with a vibration component, the vibration component is used for discharging broken wires in the steel wire bundles in a vibration mode, and a slag hopper is arranged below the vibration component. The driving roller 4 is driven by the worm gear reducer 2 and the motor 3 to rotate, and the steel wire bundle can be conveyed by the driving roller 4 and the wire pressing roller 5 simultaneously after being brought in. The support frame 6 provides a mounting base and an adjusting base for the driving roller 4 and the wire pressing roller 5. The bearing 7 plays a role in reducing rolling friction between two ends of the wire pressing roller 5 and two ends of the driving roller 4, and improves the compressive strength of the wire pressing roller 5 and the driving roller 4 to a certain extent.

More specifically, the wire pressing roller 5 not only has enough rigidity, but also reduces the abrasion of the steel wire to the surface of the wire pressing roller 5 and the radial compressive stress of the wire pressing roller 5 by adopting an elastic rubber layer, effectively prolongs the service life of the bearing 7 and the corresponding transmission part, simultaneously improves the friction between the steel wire bundle and the wire pressing roller 5, prevents the sliding between the steel wire and the surface of the roller and between the steel wire and the steel wire, and effectively improves the working efficiency; the wire pressing roller 5 can also ensure the constant tension of the steel wire, when the steel wire is cut off, the broken steel wire bundle can be compressed to prevent springback, and the continuous and stable wire feeding process can be ensured, so that the production efficiency of a production line is improved. The jackscrew adjusting device 8 can accurately adjust the pressure of the jackscrew 83, and can flexibly adjust the pressing force of the wire pressing roller 5 when different numbers of steel wire bundles are adopted for different types of shield tail brushes. Due to the self-locking property of the worm gear reducer, the wire feeding operation avoids the condition of wire breakage and resilience of the steel wire bundle, so that the steel wire can still be firmly fixed between the wire pressing roller 5 and the driving roller 4 after being broken. The flattening component 9 can improve the uniformity of the steel wire bundle entering between the wire pressing roller 5 and the driving roller 4 and reduce the radial compressive stress of the wire pressing roller 5.

In order to improve the practicability of the jackscrew adjusting device 8, the jackscrew adjusting device 8 provided by the invention comprises a movable bearing seat 81 matched with a bearing 7, two ends of the movable bearing seat 81 are provided with baffle plates 82 matched with a support frame 6 in a contact manner, the top of the movable bearing seat 81 is rotatably provided with a jackscrew 83, the jackscrew 83 is in threaded connection with the support frame 6, and the top of the jackscrew 83 is provided with a horizontal handle rod 84. In this way, when the horizontal lever 84 is manually rotated, the relative position of the bottom of the lever and the movable bearing seat 81 is kept unchanged, the matching position of the jackscrew 83 and the support frame 6 is changed, the position of the movable bearing seat 81 in the adjusting hole 61 is changed, and the purpose of adjusting the height of the wire pressing roller 5 is achieved. Baffle 82 can avoid movable bearing seat 81 to swing towards the support both sides, and the job stabilization nature of pressure silk roller 5 is guaranteed to the one hand, and on the other hand then is favorable to avoiding jackscrew 83 bending deformation, guarantees that jackscrew 83 has longer life.

In order to improve the flattening effect of the flattening assembly 9, the flattening assembly 9 comprises a limiting frame 91, the limiting frame 91 comprises a bottom plate 911, lower side plates 912 are arranged on two sides of the bottom plate, first vertical holes 914 are arranged on the lower side plates 912, an upper side plate 913 is arranged at the top of the lower side plate 912, second vertical holes 915 corresponding to the first vertical holes 914 are arranged on the upper side plate 913, lower limiting rods 92 and upper limiting rods 93 which are vertically and movably matched with the first vertical holes 914 and the second vertical holes 915 are arranged in the first vertical holes 914 and the second vertical holes 915, and counterweight components 94 are arranged on the upper limiting rods. After each pair of upper side plates 913 and lower side plates 912 on the bottom plate 911 are butted, the first vertical hole 914 and the second vertical hole 915 form a vertical hole of a complete channel, and can support two limiting rods, and the two limiting rods 92 can pass through bundled steel wires, so that the guide function and the anti-jump function are achieved; the weight component 94 can be adjusted to different weights depending on the requirements of the actual production of the tendon to meet the pressure requirements of different production lines on the tendon.

In order to improve the utilization rate of the weight component 94, the weight component 94 provided by the invention comprises a hollow cylinder, wherein the hollow cylinder 941 is sleeved outside the upper limiting rod, the space between the hollow cylinder 941 and the upper limiting rod is used for storing weight materials, a conveying port 943 used for conveying the weight materials to the inside of the hollow cylinder 941 is arranged at the end part of the hollow cylinder 941, two ends of the hollow cylinder 941 are respectively provided with a reducing pipe 942, a sealing shaft sleeve 944 is arranged inside the reducing pipe 942, the outer wall of the sealing shaft sleeve 944 is in threaded connection with the reducing pipe 942, and the inner wall of the sealing shaft sleeve 944 is movably matched with the upper limiting rod 93. The weight material can be a liquid medium or a particle medium. Like this, can make hollow cylinder 941 wholly obtain different qualities through the medium of injecting different volumes or different compositions to hollow cylinder 941, make this exhibition flat subassembly 9 have nimble quality adjustability, and then satisfy its spacing and exhibition flat needs to the steel wire bundle. Meanwhile, the counterweight component 94 is connected with the upper limiting rod in an assembling manner, so that the counterweight component 94 can be better assembled with the upper limiting rod, and meanwhile, a good sealing effect is achieved.

In order to improve the practicability of the flattening assembly 9, threaded holes 916 are formed in two sides of the upper side plate 913 and the lower side plate 912, the threaded holes are connected through screws (not shown in the figure), a pair of mortise and tenon structures 917 symmetrically distributed about the first vertical hole 914 and the second vertical hole 915 are arranged on the inner sides of the upper side plate 913 and the lower side plate 912, and the mortise and tenon structures 917 comprise a mortise and a tenon plate which are inserted up and down. Wherein, the screw rod plays main joint action, and mortise-tenon joint face of mortise-tenon structure 917 can effectively reduce the shear stress of curb plate and lower side plate 912 to the screw rod, effectively prolongs the actual life of screw rod, improves its reliability of being connected to curb plate and lower side plate 912.

In order to improve the utilization rate of the vibration assembly 10, the vibration assembly 11 provided by the invention comprises a pair of swing rods 101 arranged on the side surfaces of two lower side plates 912, wherein the swing rods 101 are connected with the lower side plates 912 through torsion springs (not shown in the figure), one ends of the swing rods 101, which are far away from the lower side plates 912, are provided with vibration shift levers 102, two ends of the vibration shift levers 102 are connected with the two swing rods 101, the vibration shift levers 102 are L-shaped, the openings of the vibration shift levers face upwards, the corners of the vibration shift levers 102 are provided with connecting holes, the connecting holes are provided with springs 103, and the other ends of the springs 103 are connected with the side surfaces of a machine table. The torsion spring and the spring can play a dynamic balance role on the oscillating bar 101 and the vibrating deflector rod 102, so that the vibrating deflector rod 102 can continuously and rapidly shake while supporting the underlying steel wire bundle, and broken wires carried in the steel wire bundle are subjected to vibration screening. The elastic connection reliability of the vibration component 10 is high, the vibration component can be fully adapted to steel wire bundles in a continuous conveying state, the design is reasonable, and the wire screening effect is good.

In order to improve the wire feeding efficiency of the device to the steel wire, the longitudinal section of the machine table 1 is in an isosceles trapezoid shape, and the two waist sides of the machine table face to the moving direction of the steel wire bundle, so that a certain slope support can be provided for the steel wire of the filament, the traction resistance of the wire pressing roller 5 and the driving roller 4 is reduced, and the wire feeding performance of the device is improved.

In order to improve the utilization rate of the wire pressing roller 5 to the steel wire bundle, the rubber layer provided by the invention is made of polyurethane rubber, the Shore hardness of the rubber layer is 50-90 HA, and the rubber layer HAs the advantages of good wear resistance, good pressing performance and longer service life.

The above description is only a preferred embodiment of the present invention, and not intended to limit the present invention in other forms, and any person skilled in the art may apply the above modifications or changes to the equivalent embodiments with equivalent changes, without departing from the technical spirit of the present invention, and any simple modification, equivalent change and change made to the above embodiments according to the technical spirit of the present invention still belong to the protection scope of the technical spirit of the present invention.