Wire pressing device of stranding machine

Abstract

The utility model relates to a wire pressing device of a stranding machine, which is used for limiting a wire on a traction wheel from falling off and comprises a base, a control box with a built-in reversing valve, a telescopic piece controlled by the reversing valve and a wire pressing unit, the control box is arranged on one side of the base, the telescopic piece is arranged in the middle of the base, and the wire pressing unit is arranged on the other side of the base. The wire pressing unit comprises a lower plate, a support and a wire pressing wheel, the lower portion of the support is hinged to the lower plate, the upper portion of the support is rotationally connected with the wire pressing wheel, one end of the telescopic part is hinged to the base, the other end of the telescopic part is hinged to the middle of the support, the telescopic part operates to achieve swing of the support, and a plurality of circular grooves evenly distributed at intervals are formed in the surface of the wire pressing wheel and matched with grooves in the surface of the traction wheel to press wires. Swing of the wire pressing wheel is controlled through the telescopic piece, the wire pressing wheel abuts against the traction wheel, wire jumping is effectively limited, and the phenomenon that the wire falls off the wheel is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technology field of stranding machine especially relates to stranding machine line pressing device. BACKGROUND

[0002] Stranding machine is used for twisting of metal wire, and the stranding machine comprises a pay-off device, a twisting main machine, a traction device, a take-up device, a transmission system, a control system, a lubrication and cooling system and auxiliary equipment. The wire is arranged from the pay-off device, twisted by the rotating main shaft, uniformly pulled out by the traction device, and finally wound by the take-up device.

[0003] The traction device in the stranding machine is prior art, and its principle is that two traction wheels are driven to rotate by a variable frequency motor, the traction wheel surface has a plurality of grooves, the wire is wound in each groove of the traction wheel in sequence to ensure the regularity of the wire winding, and then the wire is led tangentially along the traction wheel to realize traction of the wire by the rotating traction wheel. Figure 1 The patent with the publication number CN204959459U discloses a series type pipe stranding wire rope production device, which describes a first steel wire rope traction device and a second steel wire rope traction device. The patent with the publication number CN115821611A discloses a pipe-free single-stranding machine, which describes a traction servo motor in the traction device for driving the main traction wheel and the auxiliary traction wheel.

[0004] Since the wire runs at a high speed when passing through the traction device, the wire tension fluctuates, and the wire may jump out of the groove, which causes the wire to be loosely arranged on the surface of the traction wheel, and this requires immediate shutdown for processing, which seriously affects the production efficiency. SUMMARY

[0005] The utility model discloses in order to solve the problem that the wire is easily dropped from the traction wheel under the influence of tension fluctuation, provides stranding machine line pressing device, and the wire on the traction wheel is pressed through the line pressing wheel, guarantees that the wire is in the groove on the surface of the traction wheel and does not separate, thereby limiting the tension fluctuation of the wire and avoiding the situation of dropping from the traction wheel.

[0006] To achieve the above purpose, the technical scheme adopted by the utility model is:

[0007] The stranding machine line pressing device is used for limiting the wire from falling off the traction wheel and comprises a base, a control box with a reversing valve built-in, an extension piece controlled by the reversing valve and a line pressing unit, the control box is arranged on one side of the base, the extension piece is arranged in the middle of the base, and the line pressing unit is arranged on the other side of the base.

[0008] The wire pressing unit comprises a lower plate, a support and a wire pressing wheel, the lower part of the support is hinged to the lower plate to facilitate the deflection of the support, the upper part of the support is rotationally connected with the wire pressing wheel, one end of an extension member is hinged to the base and the other end is hinged to the middle part of the support, the extension member is operated to swing the support, a plurality of circular grooves are arranged on the surface of the wire pressing wheel, and the circular grooves are matched with the grooves on the surface of the traction wheel to effectively limit the wire.

[0009] Further, the base comprises a bottom plate and a top frame, the bottom plate is bolted to the ground to facilitate disassembly and assembly of the base, the top frame in the shape of a Chinese character 'gate' is arranged on one side of the bottom plate, and the control box is arranged on the top frame, the reversing valve in the control box is a manual reversing valve, and the manual lever of the manual reversing valve extends out of the control box to facilitate manual operation of the reversing valve.

[0010] Further, the middle part of the base is provided with a mounting plate, the mounting plate is bent in the shape of a Chinese character 'n', and the mounting plate is hinged to the extension member through bolts; the extension member is one of a pneumatic cylinder or an oil cylinder, and the extension member is conveniently operated by compressed air or hydraulic oil.

[0011] Further, the lower plate is vertically bent upwards at both ends, the cross section of the lower plate is in the shape of a Chinese character 'n', a lower bolt is arranged in the lower part of the support, and the lower plate and the support are hinged and installed through the lower bolt.

[0012] The middle part of the support is provided with a middle bolt, a rotating pipe is arranged on the middle bolt, the rotating pipe comprises a pipe body and a block, and the cross section of the pipe body and the block after being combined is in the shape of 'T', and the other end of the extension member is threadedly connected with the block.

[0013] Further, the upper part of the support is provided with an upper bolt, a tubular mounting sleeve is arranged on the upper bolt, the wire pressing wheel is rotationally arranged on the mounting sleeve, the wire pressing wheel comprises a wheel body and a rubber wheel sleeve, a bearing is arranged in the wheel body, the wheel body is rotationally connected with the mounting sleeve through the bearing, the smoothness of rotation of the wire pressing wheel is improved, the rubber wheel sleeve is arranged on the wheel body, the circular grooves are arranged on the surface of the rubber wheel sleeve, and the wire pressing wheel is in flexible contact with the wire.

[0014] Further, the other side of the base is provided with two tension springs, the two tension springs are arranged at both ends of the axial direction of the wire pressing wheel, one end of each tension spring is connected to the base downward and the other end is connected to the upper part of the support. The tension spring can independently provide tension to promote the close abutment of the wire pressing wheel and the traction wheel, and avoid the accidental failure of the extension member.

[0015] Through the above technical scheme, the wire pressing device has the following beneficial effects:

[0016] The utility model discloses a reasonable structure design, and the reversing valve of manual can control telescopic piece operation, and telescopic piece operation drives the swing of pressure line unit, and the left and right swing of pressure line unit can make the pressure line wheel tightly abut on the surface of traction wheel or be far from traction wheel. When the pressure line wheel tightly abut on the surface of traction wheel, the round groove on the surface of pressure line wheel corresponds with the groove on the surface of traction wheel, can effectively limit the wire on the traction wheel, prevent the wire from jumping due to tension, avoid the wire from separating from traction wheel. When telescopic piece fails unexpectedly, the tension spring can still guarantee that the pressure line wheel tightly abut on the traction wheel, and ensure the working state of pressure line wheel. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the schematic diagram of two traction wheels in traction device, and the arrow direction in drawing is the winding direction of wire on traction wheel.

[0018] Figure 2 It is the front view of the utility model twisted strand machine pressure line device.

[0019] Figure 3 It is the side view of the pressure line unit of the utility model twisted strand machine pressure line device.

[0020] Figure 4 It is the pressure line wheel sectional view of the utility model twisted strand machine pressure line device.

[0021] Figure 5 It is the pressure line wheel contrast schematic diagram of the utility model twisted strand machine pressure line device before and after operation.

[0022] Figure 6 It is the tension spring installation schematic diagram of the utility model twisted strand machine pressure line device.

[0023] The sign in drawing is: 1 traction wheel, 2 wire, 3 base, 31 bottom plate, 32 top frame, 4 control box, 5 telescopic piece, 6 pressure line unit, 61 lower plate, 62 support, 63 pressure line wheel, 7 manual lever, 8 mounting plate, 9 lower bolt, 10 middle bolt, 11 rotating tube, 111 tube body, 112 block, 12 wheel body, 13 rubber wheel cover, 14 round groove, 15 upper bolt, 16 mounting sleeve, 17 bearing, 18 bottom column, 19 tension spring. DETAILED DESCRIPTION

[0024] The specific implementation of the utility model will be described in detail below in connection with the drawings:

[0025] As Figures 2-6As shown, the stranding machine wire pressing device for limiting the wire falling off on the traction wheel 1, including the base 3, the control box 4 with the reversing valve, the telescopic piece 5 controlled by the reversing valve and the wire pressing unit 6. The base 3 is the basis of the entire wire pressing wheel 63, the base 3 is installed on the ground on one side of the traction wheel 1, the base 3 includes the bottom plate 31 and the top frame 32, the bottom plate 31 is bolted to the ground, the bottom plate 31 can be installed by expansion bolts, the bottom plate 31 is attached to the ground, and the top frame 32 is provided on one side of the bottom plate 31. The top frame 32 is arranged vertically.

[0026] The control box 4 is provided on one side of the base 3, the control box 4 is arranged on the top frame 32, the reversing valve in the control box 4 is a manual reversing valve, the manual reversing valve is a prior art, the manual lever 7 of the manual reversing valve extends out of the control box 4, and the worker can operate the manual reversing valve through the manual lever 7.

[0027] The telescopic piece 5 is provided in the middle of the base 3, the telescopic piece 5 is a prior art with telescopic function, the operation of the telescopic piece 5 is controlled by the reversing valve in the control box 4, here the telescopic piece 5 is one of a pneumatic cylinder or an oil cylinder, preferably, the telescopic piece 5 adopts a pneumatic cylinder. The manual reversing valve is communicated with the pneumatic cylinder through an air pipe, an air compressor is used to provide a compressed air source in the air pipe, thereby providing power for the operation of the pneumatic cylinder, and the telescopic operation of the pneumatic cylinder can be controlled by manually operating the reversing valve.

[0028] When the telescopic piece 5 is installed, one end of the telescopic piece 5 is hinged to the base 3. Specifically, the middle of the base 3 is provided with a mounting plate 8, the mounting plate 8 is bent in a "n" shape, the mounting plate 8 is hinged to the telescopic piece 5 through a bolt, and the telescopic piece 5 can swing left and right with the bolt as the hinge point.

[0029] The wire pressing unit 6 is provided on the other side of the base 3, the wire pressing unit 6 directly contacts with the traction wheel 1 to realize the pressing of the wire. The wire pressing unit 6 includes a lower plate 61, a bracket 62 and a wire pressing wheel 63, the lower plate 61 is fixedly connected with the bottom plate 31, the bottom plate 31 is vertically upwardly bent at both ends, and the cross section of the bottom plate 31 is in the shape of "n". The bracket 62 is composed of two spaced apart support plates, and the bracket 62 is hinged to the bottom plate 31 at the lower part during installation. Specifically, the bracket 62 is provided with a lower bolt 9, and the lower plate 61 and the bracket 62 are hingedly installed through the lower bolt 9, so that the bracket 62 can swing left and right relative to the lower plate 61.

[0030] The left and right swing of the support 62 is controlled by the telescopic member 5, that is, the telescopic member 5 operates to realize the swing of the support 62, and in turn the telescopic member 5 needs to be connected with the support 62, and here the other end of the telescopic member 5 is hinged with the middle part of the support 62. Specifically, the middle part of the support 62 is provided with a middle bolt 10, the middle bolt 10 is provided with a rotating tube 11, the rotating tube 11 includes a tube body 111 and a block body 112, the tube body 111 and the block body 112 are combined in a "T" shape after connection, the tube body 111 is sleeved on the middle bolt 10, and the tube body 111 can ensure the fixation of the distance between the two support plates. Since the telescopic member 5 is a gas cylinder, the other end of the telescopic member 5, that is, the piston rod of the gas cylinder is threadedly connected with the block body 112. In this way, the telescopic operation of the telescopic member 5 can drive the support 62 to swing.

[0031] The support 62 is rotatably connected with a wire pressing wheel 63, the wire pressing wheel 63 includes a wheel body 12 and a rubber wheel sleeve 13, the wheel body 12 is sleeved with the rubber wheel sleeve 13, and the rubber wheel sleeve 13 is a circular ring sleeve structure made of rubber. In order to facilitate the installation of the rubber wheel sleeve 13, a plurality of grooves are formed on the surface of the wheel body 12, and a plurality of protrusions are arranged on the inner surface of the rubber wheel sleeve 13, the protrusions and the grooves are triangular, and in turn the radial positioning of the rubber wheel sleeve 13 can be realized through the cooperation of the protrusions and the grooves, so as to ensure the accuracy of the installation of the rubber wheel sleeve 13 and prevent the radial deviation of the rubber wheel sleeve 13.

[0032] At the same time, since the surface of the traction wheel 1 is provided with a groove, the wire is wound in the groove, and in order to be able to well press the wire, a plurality of circular grooves 14 are formed on the surface of the wire pressing wheel 63, that is, the circular grooves 14 are arranged on the surface of the rubber wheel sleeve 13, the circular grooves 14 and the grooves on the surface of the traction wheel 1 one-to-one correspond, the cross section of the circular groove 14 is semicircular, and the circular groove 14 is wound around the rubber wheel sleeve 13. The circular grooves 14 on the surface of the wire pressing wheel 63 cooperate with the grooves on the surface of the traction wheel 1 to effectively limit the wire.

[0033] When the wire pressing wheel 63 is installed, the upper part of the support 62 is provided with an upper bolt 15, the upper bolt 15 is provided with a tubular mounting sleeve 16, and the mounting sleeve 16 is arranged between the two support plates to limit the distance between the two support plates. The middle part of the mounting sleeve 16 is larger in diameter than the two ends, the wire pressing wheel 63 is rotatably arranged on the mounting sleeve 16, in order to ensure the smooth rotation of the wire pressing wheel 63, two side-by-side bearings 17 are arranged in the wheel body 12 of the wire pressing wheel 63, and the wheel body 12 is rotatably connected with the mounting sleeve 16 through the bearings 17, so that the wire pressing wheel 63 can freely rotate.

[0034] The utility model discloses a principle is: manual operation change-over valve promotes telescopic part 5 to stretch out, and telescopic part 5 runs and drives support 62 to swing, and then press line wheel 63 moves close to traction wheel 1, until with traction wheel 1 abuts. Traction wheel 1 in operation drives press line wheel 63 to rotate, and the wire on traction wheel 1 is limited between the groove on traction wheel 1 and the round groove 14 of press line wheel 63 surface, so this can prevent wire to drop the wheel. Manual operation change-over valve promotes telescopic part 5 to retract, and press line wheel 63 is far away from traction wheel 1, and press line wheel 63 no longer carries out the suppression to wire at this time.

[0035] In order to optimize product structure, prevent the accidental failure of cylinder due to leakage, change-over valve failure, insufficient gas source pressure, gas pipe joint loosening and the like, pull spring 19 is arranged on the other side of base 3, the number of pull spring 19 is two, and the two pull springs 19 are arranged at the two ends of the axial direction of press line wheel 63. One end of each pull spring 19 is connected to the lower part of base 3, and the other end is connected to the upper part of support 62.

[0036] When installing pull spring 19, bottom column 18 with a round hole is arranged on bottom plate 31, and round holes are formed at the two ends of upper bolt 15, so that the two ends of pull spring 19 can be respectively hooked between the end part of bottom column 18 and upper bolt 15, to realize the installation of pull spring 19. When press line wheel 63 abuts on traction wheel 1, pull spring 19 tends to be shortened, and even if the cylinder fails accidentally, the pulling force of pull spring 19 can also be used to make press line wheel 63 always abut on traction wheel 1. After press line wheel 63 moves away from traction wheel 1, pull spring 19 is elongated.

[0037] The above-mentioned embodiments are only preferred embodiments of the utility model, and do not limit the implementation range of the utility model, so that equivalent changes or modifications made according to the structure, features and principles described in the patent range of the utility model should be included in the patent range of the utility model application.

Claims

1. A stranding press device for limiting wire stripping on a traction wheel (1), characterized in that, The utility model relates to a wire pressing device, including pedestal (3), control box (4) that has included reversing valve, controlled telescopic piece (5) of reversing valve and pressure line unit (6), one side of the pedestal (3) is provided with the control box (4), the middle part of pedestal (3) is provided with the telescopic piece (5), the other side of pedestal (3) is provided with the pressure line unit (6), The pressure line unit (6) includes a lower plate (61), a bracket (62), and a wire pressing wheel (63), the lower part of the bracket (62) is hinged to the lower plate (61), the upper part of the bracket (62) is rotatably connected to the wire pressing wheel (63), one end of the telescopic piece (5) is hinged to the pedestal (3), the other end is hinged to the middle part of the bracket (62), the operation of the telescopic piece (5) realizes the swing of the bracket (62), the surface of the wire pressing wheel (63) is provided with a plurality of circular grooves (14) distributed at intervals, and the circular grooves (14) are matched with the grooves on the surface of the traction wheel (1) to press the wire.

2. A stranding press device according to claim 1, characterized in that The pedestal (3) includes a bottom plate (31) and a top frame (32), the bottom plate (31) is bolted to the ground, one side of the bottom plate (31) is provided with a door-shaped top frame (32), the control box (4) is arranged on the top frame (32), the reversing valve in the control box (4) is a manual reversing valve, and the manual lever (7) of the manual reversing valve extends out of the control box (4).

3. The stranding press device of claim 1, wherein The middle part of the pedestal (3) is provided with a mounting plate (8), the mounting plate (8) is bent into a "n" shape, the mounting plate (8) is hinged to the telescopic piece (5) through bolts, and the telescopic piece (5) is one of a pneumatic cylinder or an oil cylinder.

4. The stranding press device of claim 1, wherein The both ends of the lower plate (61) are vertically upwardly bent, the cross section of the lower plate (61) is in the shape of "n", the lower part of the bracket (62) is provided with a lower bolt (9), and the lower plate (61) and the bracket (62) are hingedly installed through the lower bolt (9). The middle part of the bracket (62) is provided with a middle bolt (10), the middle bolt (10) is provided with a rotating tube (11), the rotating tube (11) includes a tube body (111) and a block body (112), the cross section of the combination of the tube body (111) and the block body (112) is in the shape of "T", and the other end of the telescopic piece (5) is threadedly connected to the block body (112).

5. The stranding press device of claim 1, wherein The upper part of the bracket (62) is provided with an upper bolt (15), the upper bolt (15) is provided with a tubular mounting sleeve (16), the wire pressing wheel (63) is rotatably arranged on the mounting sleeve (16), the wire pressing wheel (63) includes a wheel body (12) and a rubber wheel sleeve (13), the wheel body (12) is provided with a bearing (17), the wheel body (12) is rotatably connected to the mounting sleeve (16) through the bearing (17), the wheel body (12) is externally provided with the rubber wheel sleeve (13), and the surface of the rubber wheel sleeve (13) is arranged with the circular grooves (14).

6. The stranding press device of claim 1, wherein The other side of the pedestal (3) is provided with two tension springs (19), the two tension springs (19) are arranged at the both ends of the axial direction of the wire pressing wheel (63), one end of each tension spring (19) is downwardly connected to the pedestal (3), and the other end is upwardly connected to the upper part of the bracket (62).

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