Unpowered pay-off rack capable of automatically changing wheels

Abstract

The utility model provides an automatic wheel changing unpowered pay-off rack, which comprises a base, a cylinder, a wheel changing frame, a wire passing buffer mechanism and a pay-off mechanism, and is characterized in that the wheel changing frame comprises a longitudinal stand column vertically arranged on the base, a lug plate arranged at the side part of the longitudinal stand column and two transverse hanging shafts symmetrically hung at the two sides of the longitudinal stand column; the fixed end of the air cylinder is rotatably hinged to the base, and the piston end is hinged to the lug plate. The wire passing buffering mechanism comprises a sliding pipe vertically fixed to the top of the longitudinal stand column, a sliding rail fixed to the outer side of the sliding pipe, a cloud frame capable of sliding up and down on the sliding rail, a pulley erected on the top of the sliding pipe, the cloud frame and a balancing weight which are connected through a connecting rope and hung on the pulley, and two wire clamping devices symmetrically fixed to the two sides of the sliding pipe. The pay-off mechanism comprises a rocker arm, a rocker arm rotating shaft and a rocker arm frame, the rocker arm frame is arranged on the base, the rocker arm is arranged on the rocker arm frame through the rocker arm rotating shaft in a self-rotating mode, and the rocker arm inclines outwards in the direction close to the longitudinal stand column.

Description

Technical Field

[0001] The utility model belongs to the technical field of steel wire pay-off, in particular to an automatic wheel-changing unpowered pay-off frame. Background Art

[0002] During the processing, the steel wire is usually evenly released from the I-shaped wheel. The traditional wheel changing method is to pause the equipment when the steel wire on the I-shaped wheel is about to be released, and then continue processing after the remaining steel wire is welded with another full wheel of steel wire and replaced with the full wheel.

[0003] However, this method requires a dedicated person to observe in real time when the wire is about to be released during the wire payout process. If you are not careful during this period, it will cause wire breakage or even equipment failure, and the suspension of equipment during replacement will greatly affect production efficiency. Utility Model Content

[0004] In view of the above technical problems, the utility model provides an automatic wheel-changing non-powered pay-off stand to solve the above problems.

[0005] The utility model provides an automatic wheel-changing unpowered wire-releasing frame, comprising: a base, a cylinder, a wheel-changing frame, a wire-passing buffer mechanism and a wire-releasing mechanism, the fixed end of the cylinder can be hinged on the base for horizontal rotation, the wheel-changing frame comprises a longitudinal column, an ear plate and two transverse hanging shafts, the longitudinal column is erected on the base along a first direction, the ear plate is arranged on the side of the longitudinal column, the piston end of the cylinder is hinged to the ear plate, and is used to drive the longitudinal column to rotate in the horizontal direction, the two transverse hanging shafts extend along a second direction and are symmetrically hung on both sides of the longitudinal column, and are used to hang an I-shaped wheel, the second direction is perpendicular to the first direction, the wire-passing buffer mechanism comprises a sliding tube, a sliding rail, a pulley, a counterweight, an inductor, a connecting rope, a cloud frame, two wire clamps and two hanging wheels, the sliding tube is vertically fixed to the top of the longitudinal column along the first direction, the pulley frame is arranged on the top of the sliding tube, the sliding rail extends along the first direction and is fixed to the outside of the sliding tube, the two wire clamps are symmetrically fixed on both sides of the sliding tube along the second direction, and are used to be The two wheels are arranged at the ends of the two guide wheels, and the two guide wheels are arranged at the ends of the two guide wheels, and the two guide wheels are located above the two wire clamps. The two guide wheels are arranged at the ends of the two guide wheels, and the two guide wheels are located above the two wire clamps. The two guide wheels are arranged at the ends of the two guide wheels, and the two guide wheels are located above the two wire clamps. The two guide wheels are arranged at the ends of the two guide wheels, and the two guide wheels are located above the two wire clamps. The two guide wheels are arranged at the ends of the two guide wheels, and the two guide wheels are located above the two wire clamps.

[0006] Optionally, each transverse hanging shaft includes a support seat, a main shaft, a spherical roller bearing, a graphite self-lubricating copper sleeve, a shaft sleeve and a locking block. The support seat is fixed on the longitudinal column, the main shaft is inserted and fixed on the support seat in a non-rotatable manner along the second direction, the spherical roller bearing and the graphite self-lubricating copper sleeve are respectively sleeved on both ends of the main shaft, the shaft sleeve can be rotatably sleeved on the outside of the spherical roller bearing and the graphite self-lubricating copper sleeve, and the locking block is adjustable and clamped between the main shaft and the shaft sleeve.

[0007] Preferably, each transverse hanging shaft further comprises a bayonet, which is inserted into an end of the shaft sleeve away from the longitudinal column and is used to prevent the I-shaped wheel hung on the shaft sleeve from falling off.

[0008] Preferably, a plurality of through holes are evenly formed along the circumferential direction at one end of the sleeve away from the longitudinal column, and the plurality of through holes are all located on the outer side of the main shaft.

[0009] Optionally, the rocker arm shaft coincides with the axial center line of the I-shaped wheel hung on the transverse hanging shaft.

[0010] Preferably, the rocker arm has an adjustable height.

[0011] Optionally, the rocker arm includes a straight plate, an inclined rod, a first guide wheel, a second guide wheel and a third guide wheel, wherein a side of the straight plate away from the wheel changing frame is vertically connected to the rocker arm rotating shaft, the first guide wheel is fixed on a side of the straight plate close to the wheel changing frame, one end of the inclined rod is obliquely connected to an end of the straight plate along a first direction, the third guide wheel is fixed to the other end of the inclined rod, the second guide wheel is arranged in the middle of the inclined rod, and the diameter of the second guide wheel is smaller than the diameters of the first guide wheel and the third guide wheel.

[0012] Preferably, the bottom of the wheel groove of the second guide wheel is closer to the inclined rod than the bottom of the wheel groove of the third guide wheel.

[0013] Optionally, the counterweight block can be slidably disposed in the sliding tube up and down along the first direction.

[0014] Optionally, two limit blocks are provided on the base along a third direction to prevent the ear plate from rotating more than 180 degrees, and the third direction is perpendicular to the second direction.

[0015] Compared with the prior art, the automatic wheel-changing unpowered pay-off stand of the utility model can stably and automatically switch from an empty I-spool that has just been paid out to a full I-spool, thereby achieving uninterrupted and continuous pay-off, which greatly reduces the labor intensity of workers and effectively improves production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of the automatic wheel-changing unpowered pay-off frame of the utility model at one viewing angle;

[0017] Figure 2It is a structural schematic diagram of the automatic wheel-changing unpowered pay-off frame of the utility model from another perspective;

[0018] Figure 3 The utility model is a schematic structural diagram of the wheel changing frame of the automatic wheel changing unpowered pay-off frame. DETAILED DESCRIPTION

[0019] In order to provide a further understanding of the purpose, structure, features, and functions of the present invention, the present invention is described in detail below with reference to the embodiments.

[0020] In the description of the present invention, it should be noted that the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the present invention.

[0021] Please refer to Figure 1 and Figure 2 As shown, an automatic wheel-changing unpowered pay-off frame 100 comprises: a base 1, a cylinder 2, a wheel-changing frame 3, a wire-passing buffer mechanism 4 and a pay-off mechanism 5.

[0022] The fixed end of the cylinder 2 is hinged on the base 1 so as to be horizontally rotatable.

[0023] The wheel-changing frame 3 includes a longitudinal column 31, an ear plate 32 and two transverse hanging shafts 33. The longitudinal column 31 is erected on the base 1 along the first direction Z. The ear plate 32 is arranged on the side of the longitudinal column 31. The piston end of the cylinder 2 is hinged to the ear plate 32 to drive the longitudinal column 31 to rotate in the horizontal direction. The two transverse hanging shafts 33 extend along the second direction X and are symmetrically hung on both sides of the longitudinal column 31 for hanging the I-shaped wheel 101. The second direction X is perpendicular to the first direction Z.

[0024] The line buffer mechanism 4 includes a slide tube 41, a slide rail 42, a pulley 43, a counterweight 44, a sensor 45, a connecting rope 46, a cloud rack 47, two wire clamps 48 and two hanging wheels 49. The slide tube 41 is vertically fixed to the top of the longitudinal column 31 along the first direction Z, the pulley 43 is mounted on the top of the slide tube 41, the slide rail 42 extends along the first direction Z and is fixed to the outside of the slide tube 41. The two wire clamps 48 are symmetrically fixed to both sides of the slide tube 41 along the second direction X, and are used to be able to be dragged to the ground to clamp the steel wires 102 respectively drawn from the two I-shaped wheels 101. The cloud rack 47 can be slidably arranged on the slide rail 42 along the first direction Z. The hanging wheels 49 are arranged on both ends of the cloud frame 47 along the second direction X. The two hanging wheels 49 are located above the two wire clamps 48. The two hanging wheels 49 are symmetrical with the center. The hanging wheel 49 on the side away from the wire-releasing mechanism 5 is hung with the steel wire 102 led out from the two wire clamps 48. One end of the connecting rope 46 is connected to the counterweight block 44, and the other end is connected to the cloud frame 47 after being wrapped around the pulley 43. The weight of the counterweight block 44 is greater than the weight of the cloud frame 47 and the two hanging wheels 49. The sensor 45 is arranged at the bottom of the sliding tube 41, and is used to send a driving signal to the cylinder 2 to drive the piston rod of the cylinder 2 to retract first and then extend when the counterweight block 44 is sensed to rise.

[0025] The wire-releasing mechanism 5 includes a rocker arm 51, a rocker arm shaft 52 and a rocker arm frame 53. The rocker arm frame 53 is arranged on the base 1. The rocker arm 51 is rotatably arranged on the rocker arm frame 53 through the rocker arm shaft 52, and the rocker arm 51 is inclined outward along the direction close to the longitudinal column 31, so as to avoid the I-shaped wheel 101 placed on the transverse hanging shaft 33 when the rocker arm 51 rotates. A wire-releasing hole 521 is opened at the axial center line of the rocker arm shaft 52.

[0026] Optional, such as Figure 3As shown, each transverse hanging shaft 33 includes a support seat 331, a main shaft 332, a spherical roller bearing 333, a graphite self-lubricating copper sleeve 334, a sleeve 335 and a locking block 336. The support seat 331 is fixed on the longitudinal column 31, the main shaft 332 is inserted and fixed on the support seat 331 along the second direction X so as to be non-rotatable, the spherical roller bearing 333 and the graphite self-lubricating copper sleeve 334 are respectively sleeved on both ends of the main shaft 332, the sleeve 335 is rotatably sleeved on the outside of the spherical roller bearing 333 and the graphite self-lubricating copper sleeve 334, and the locking block 336 is clamped between the main shaft 332 and the sleeve 335 in an adjustable tightness. Generally, after the wheel is changed, the steel wires 102 on the two I-shaped wheels 101 need to be pulled out with a little excess for welding, and the welded steel wires 102 are then hung on the left hanging wheel 49 of the cloud frame 47. However, after hanging, the steel wires 102 are loose and have no tension due to the excess of the steel wires 102, which affects the next wheel change. After the transverse hanging shaft 33 is set in this way, the left I-shaped wheel 101 can be rotated around the main shaft 332 with the sleeve 335 by loosening the locking block 336, thereby tightening the steel wire 102. After the steel wire 102 is tightened, the locking block 336 is tightened to prevent the sleeve 335 from rotating, and the bayonet 337 is inserted to prevent the I-shaped wheel 101 from falling.

[0027] Preferably, each transverse hanging shaft 33 further includes a latch 337 , which is inserted into an end of the shaft sleeve 335 away from the longitudinal column 31 , and is used to prevent the I-shaped wheel 101 hung on the shaft sleeve 335 from falling off.

[0028] Preferably, a plurality of through holes 3351 are evenly formed along the circumferential direction on one end of the sleeve 335 away from the longitudinal column 31, and the plurality of through holes 3351 are all located outside the main shaft 332. This arrangement facilitates the insertion of the bayonet 337 without affecting the rotation of the sleeve 335.

[0029] Optionally, the rocker arm shaft 52 coincides with the axial centerline of the spool 101 hung on the transverse hanging shaft 33. This arrangement facilitates the rocker arm 51 to stably release the wire around the spool 101.

[0030] Preferably, the rocker arm frame 53 has an adjustable height, which facilitates adjusting the height of the rocker arm shaft 52 to keep the axial height of the spool 101 consistent with that of the spool 101 for spools 101 of different diameters.

[0031] Optionally, the rocker arm 51 includes a straight plate 511, an inclined rod 512, a first guide wheel 513, a second guide wheel 514 and a third guide wheel 515, wherein a side of the straight plate 511 away from the wheel changing frame 3 is vertically connected to the rocker arm shaft 52, the first guide wheel 513 is fixed to a side of the straight plate 511 close to the wheel changing frame 3, one end of the inclined rod 512 is obliquely connected to one end of the straight plate 511 along the first direction Z, wherein a counterweight module can be provided on the other end of the straight plate 511 along the first direction Z to adjust the balance of the rocker arm 51 during rotation, the third guide wheel 515 is fixed to the other end of the inclined rod 512, the second guide wheel 514 is provided in the middle of the inclined rod 512, and the diameter of the second guide wheel 514 is smaller than the diameters of the first guide wheel 513 and the third guide wheel 515. The steel wire 102 can be released along the third guide wheel 515, the second guide wheel 514 and the first guide wheel 513 in sequence, and the smaller second guide wheel 514 can not only stabilize the tension of the steel wire 102, but also press the steel wire 102 toward the inclined rod 512 as much as possible to prevent the steel wire 102 from hitting the I-shaped wheel 101 when the rocker arm 51 rotates outside the I-shaped wheel 101.

[0032] Preferably, the bottom of the wheel groove of the second guide wheel 514 is closer to the inclined rod 512 than the bottom of the wheel groove of the third guide wheel 515. This arrangement facilitates better tensioning of the steel wire 102. In addition, when the steel wire 102 is wound, it passes through the bottom of the third guide wheel 515, the bottom of the second guide wheel 514, the top of the first guide wheel 513 and the wire release hole in sequence.

[0033] Optionally, the counterweight 44 can be arranged in the slide tube 41 to slide up and down along the first direction Z. This arrangement facilitates the counterweight 44 to slide up and down stably.

[0034] Optionally, two limit blocks 11 are provided on the base 1 along the third direction Y to prevent the ear plate 32 from rotating more than 180 degrees, and the third direction Y is perpendicular to the second direction X. This arrangement ensures that the I-shaped wheels 101 on the left and right sides can better complete the symmetrical transposition.

[0035] The operating principle of the embodiment of the automatic wheel-changing unpowered pay-off stand 100 of the utility model is as follows:

[0036] The traction device is used to continuously traction the steel wire 102 on the right side of the wire-releasing mechanism 5, so that the rocker arm 51 rotates around the right spool 101 to release the wire, and the right spool 101 remains stationary during the process. When the steel wire 102 on the right spool 101 is about to be released, the rocker arm 51 is pulled above the spool 101 and is basically flush with the right wire clamp 48. At this time, the steel wire 102 on the right wire clamp 48 is easily pulled out, and the pulled out steel wire 102 drives the hanging wheel 49 on the cloud frame 47 to descend, and at the same time, the counterweight block 44 rises along the first direction Z to trigger the sensor 45 to send a driving signal to the cylinder 2. After receiving the driving signal, the piston rod of the cylinder 2 first performs a contraction action to drive the ear plate 32 to drive the longitudinal column 31 to rotate 90 degrees as a whole, and when it rotates 90 degrees, the piston rod of the cylinder 2 immediately extends. At this time, due to the effect of rotational inertia, the longitudinal column 31 as a whole will continue to rotate in the original rotation direction until the I-shaped wheels 101 on the left and right sides are switched left and right. At the same time, the cloud frame 47 is pulled down to the specified position by the pull of the steel wire 102, and then the steel wire 102 is successively separated from the hanging wheel 49 and the wire clamp 48 located on the right side after rotation. The completely separated steel wire 102 begins to tighten under the traction of the traction equipment, so that the rocker arm 51 rotates around the newly replaced full wheel I-shaped wheel 101 on the right side again to perform the wire release action. At this point, the wheel change action is completed, and the full I-shaped wheel 101 originally prepared on the left side is successfully replaced to the wire release position on the right side, and the empty I-shaped wheel 101 originally on the right side is also replaced to the unloading position on the left side. After that, the empty I-shaped wheel 101 is removed and replaced with a new full wheel I-shaped wheel 101 for preparation, and then the steel wires 102 of the two I-shaped wheels 101 are welded, and the welded steel wires 102 are clamped by two wire clamps 48 and hung on the hanging wheel 49 located on the left side at this time, waiting for the next wheel change.

[0037] The automatic wheel-changing unpowered pay-off stand of the utility model can stably and automatically switch from an empty spool that has just been paid out to a full spool, thereby realizing uninterrupted and continuous pay-off, which greatly reduces the labor intensity of workers and effectively improves production efficiency.

[0038] The present invention has been described by the above-mentioned relevant embodiments, however, the above-mentioned embodiments are only examples for implementing the present invention. It must be pointed out that the disclosed embodiments do not limit the scope of the present invention. On the contrary, any changes and modifications made without departing from the spirit and scope of the present invention are within the scope of patent protection of the present invention.

Claims

1. An automatic wheel-changing unpowered pay-off stand, characterized in that: include: Base, cylinder, wheel changing frame, wire passing buffer mechanism and wire releasing mechanism; The fixed end of the cylinder is hinged to the base in a horizontally rotatable manner; The wheel-changing frame comprises a longitudinal column, an ear plate and two transverse hanging shafts, wherein the longitudinal column is erected on the base along a first direction, the ear plate is arranged on the side of the longitudinal column, the piston end of the cylinder is hinged to the ear plate, and is used to drive the longitudinal column to rotate in a horizontal direction, and the two transverse hanging shafts extend along a second direction and are symmetrically hung on both sides of the longitudinal column, and are used to hang the I-shaped wheel, and the second direction is perpendicular to the first direction; The over-line buffer mechanism includes a slide tube, a slide rail, a pulley, a counterweight, a sensor, a connecting rope, a cloud rack, two wire clamps and two hanging wheels. The slide tube is vertically fixed to the top of the longitudinal column along the first direction, the pulley is mounted on the top of the slide tube, the slide rail extends along the first direction and is fixed to the outside of the slide tube, the two wire clamps are symmetrically fixed on both sides of the slide tube along the second direction, and are used to be able to be dragged to the ground to clamp the steel wires respectively led out of the two I-shaped wheels, the cloud rack can be slidably arranged on the slide rail up and down along the first direction, and the two Hanging wheels are arranged at two ends of the cloud rack along the second direction, and the two hanging wheels are located above the two wire clamps, wherein the hanging wheel far away from the side of the wire-releasing mechanism is hung with steel wires drawn from the two wire clamps, one end of the connecting rope is connected to the counterweight block, and the other end is connected to the cloud rack after being wound around the pulley, the weight of the counterweight block is greater than the weight of the cloud rack and the two hanging wheels, and the sensor is arranged at the bottom of the sliding tube, and is used to send a driving signal to the cylinder to drive the piston rod of the cylinder to retract first and then extend when sensing that the counterweight block rises; The wire-releasing mechanism comprises a rocker arm, a rocker arm shaft and a rocker arm frame, wherein the rocker arm frame is arranged on the base, and the rocker arm is rotatably arranged on the rocker arm frame via the rocker arm shaft, and the rocker arm is inclined outwardly in a direction close to the longitudinal column, so as to avoid the I-shaped wheel placed on the transverse hanging shaft when the rocker arm rotates, and a wire-releasing hole is provided at the axial center line of the rocker arm shaft.

2. The automatic wheel-changing unpowered pay-off stand according to claim 1, characterized in that: Each transverse hanging shaft includes a support seat, a main shaft, a spherical roller bearing, a graphite self-lubricating copper sleeve, a shaft sleeve and a locking block. The support seat is fixed on the longitudinal column, and the main shaft is inserted and fixed on the support seat in a non-rotatable manner along the second direction. The spherical roller bearing and the graphite self-lubricating copper sleeve are respectively sleeved on both ends of the main shaft, and the shaft sleeve is rotatably sleeved on the outside of the spherical roller bearing and the graphite self-lubricating copper sleeve, and the locking block is clamped between the main shaft and the shaft sleeve in an adjustable tightness.

3. The automatic wheel-changing unpowered pay-off stand according to claim 2, characterized in that: Each transverse hanging shaft also includes a latch pin, which is inserted on an end of the shaft sleeve away from the longitudinal column and is used to prevent the I-shaped wheel hung on the shaft sleeve from falling off.

4. The automatic wheel-changing unpowered pay-off stand according to claim 3, characterized in that: A plurality of through holes are evenly formed along the circumferential direction on one end of the sleeve away from the longitudinal column, and the plurality of through holes are all located on the outer side of the main shaft.

5. The automatic wheel-changing unpowered pay-off stand according to claim 1, characterized in that: The rocker arm rotating shaft coincides with the axial center line of the I-shaped wheel hung on the transverse hanging shaft.

6. The automatic wheel-changing unpowered pay-off stand according to claim 5, characterized in that: The rocker arm has an adjustable height.

7. The automatic wheel-changing unpowered pay-off stand according to claim 1, characterized in that: The rocker arm includes a straight plate, an inclined rod, a first guide wheel, a second guide wheel and a third guide wheel, wherein a side of the straight plate away from the wheel-changing frame is vertically connected to the rocker arm rotating shaft, the first guide wheel is fixed on a side of the straight plate close to the wheel-changing frame, one end of the inclined rod is obliquely connected to an end of the straight plate along the first direction, the third guide wheel is fixed to the other end of the inclined rod, the second guide wheel is arranged in the middle of the inclined rod, and the diameter of the second guide wheel is smaller than the diameters of the first guide wheel and the third guide wheel.

8. The automatic wheel-changing unpowered pay-off stand according to claim 7, characterized in that: The bottom of the wheel groove of the second guide wheel is closer to the inclined rod than the bottom of the wheel groove of the third guide wheel.

9. The automatic wheel-changing unpowered pay-off stand according to claim 1, characterized in that: The counterweight block can be slidably disposed in the sliding tube up and down along the first direction.

10. The automatic wheel-changing unpowered pay-off stand according to claim 1, characterized in that: Two limit blocks are arranged on the base along a third direction to prevent the ear plate from rotating more than 180 degrees, and the third direction is perpendicular to the second direction.

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