阅读说明：本技术 一种钢丝绳索具自动切绳机 (Automatic rope cutting machine for steel wire rope rigging ) 是由 施聪 夏利科 刘国庆 于 2021-07-23 设计创作，主要内容包括：本发明公开了一种钢丝绳索具自动切绳机,包括放料部和裁切部,所述放料部包括能够转动安装工字轮的放线架,所述放线架内设置有驱动工字轮旋转的驱动机构,所述裁切部包括两组同轴布置且能够相对转动的裁切刀；所述裁切部的上下游侧分别设置有前端送料部和后端牵引部,所述前端送料部和后端牵引部内均设置有能够拖拽工件进给并单独复位的压模机构,所述后端牵引部内设置用于压模机构的行程检测机构,所述行程检测机构的输出端与裁切部的控制单元电连接,所述后端牵引部内设置承托工件的底部托板,所述底部托板能够向下翻转开启,本钢丝绳索具自动切绳机实现自动化生产,整个过程仅需单人监控,极大提升生产效率。(The invention discloses an automatic rope cutting machine for a steel wire rope sling, which comprises a feeding part and a cutting part, wherein the feeding part comprises a pay-off rack capable of rotatably mounting a spool, a driving mechanism for driving the spool to rotate is arranged in the pay-off rack, and the cutting part comprises two groups of cutting knives which are coaxially arranged and can relatively rotate; the last downstream side of cutting portion is provided with front end pay-off portion and rear end traction portion respectively, all be provided with in front end pay-off portion and the rear end traction portion and pull the die pressing mechanism that the work piece fed and reset alone, set up the stroke detection mechanism who is used for die pressing mechanism in the rear end traction portion, stroke detection mechanism's output is connected with the control unit electricity of cutting the portion, set up the bottom layer board of bearing work piece in the rear end traction portion, the bottom layer board can overturn downwards and open, and this automatic rope machine that cuts of wire rope rigging realizes automated production, and whole process only needs single control, greatly promotes production efficiency.)

1. The utility model provides an automatic rope machine of cutting of wire rope rigging, includes blowing portion (1) and cutting portion (4), its characterized in that: the feeding part (1) comprises a pay-off rack (101) capable of rotatably mounting a spool, a driving mechanism (103) for driving the spool to rotate is arranged in the pay-off rack (101), and the cutting part (4) comprises two groups of cutting knives which are coaxially arranged and can relatively rotate;

the upper and lower sides of the cutting part (4) are respectively provided with a front end feeding part (3) and a rear end traction part (5), die pressing mechanisms capable of dragging workpieces to feed and reset independently are arranged in the front end feeding part (3) and the rear end traction part (5), a stroke detection mechanism for the die pressing mechanisms is arranged in the rear end traction part (5), the output end of the stroke detection mechanism is electrically connected with a control unit of the cutting part (4), a bottom supporting plate (501) for supporting the workpieces is arranged in the rear end traction part (5), and the bottom supporting plate (501) can be turned downwards and opened;

a tension adjusting part (2) capable of accommodating redundant workpieces is arranged between the front end feeding part (3) and the material placing part (1), a workpiece internal tension detecting unit is arranged in the tension adjusting part (2), and the output end of the tension detecting unit is electrically connected with a control unit of a driving mechanism (103) of the material placing part (1).

2. The automatic wire rope cutter of claim 1, wherein: a driving mechanism (103) of the discharging part (1) is a variable frequency motor, and a manual clutch (102) is arranged at a power output end of the driving mechanism (103).

3. The automatic wire rope cutter of claim 1, wherein: the tension adjusting portion (2) comprises a swing arm (202) rotatably installed along a horizontal axis, a line wheel (201) is rotatably arranged at the free end of the swing arm (202), the swing arm (202) and the line wheel (201) are parallel to each other and perpendicular to the feeding direction of a workpiece, an angle monitoring mechanism for monitoring the rotating angle of the swing arm (202) is further arranged inside the tension adjusting portion (2), and the output end of the angle monitoring mechanism is electrically connected with a control unit of a driving mechanism (103) of the material placing portion (1).

4. The automatic wire rope cutter of claim 3, wherein: the swing arm (202) is coaxially and fixedly provided with a fan-shaped pendulum bob (203) at the rotating shaft, when the swing arm (202) naturally droops, the gravity center of the fan-shaped pendulum bob (203) is at the lowest point, the circle center of the circumferential surface of the fan-shaped pendulum bob (203) is not coincident with the rotation axis, the tension adjusting part (2) further comprises a fixedly arranged distance sensor (205), the detection direction of the distance sensor (205) faces the rotation axis of the fan-shaped pendulum bob (203) and can detect the distance between the self and the circumferential surface of the fan-shaped pendulum bob (203), and the output end of the distance sensor (205) is electrically connected with the control unit of the driving mechanism (103) of the material placing part (1).

5. The automatic wire rope cutter of claim 1, wherein: the die pressing mechanism comprises a die pressing frame (302) capable of moving along the workpiece feeding direction, an intermediate plate (301) capable of sliding up and down is arranged in the die pressing frame (302), and a vertically arranged first telescopic rod (303) is arranged between the intermediate plate (301) and the die pressing frame (302).

6. The automatic wire rope cutter of claim 5, wherein: the utility model discloses a cutting machine, including front end pay-off portion (3) and rear end traction portion (5), front end pay-off portion (3) and rear end traction portion (5) are inside all to be provided with the slide rail of arranging along work piece direction of feed, moulding press mechanism and slide rail slidable mounting, second telescopic link (304) have been arranged along the direction of slide between moulding press mechanism and the slide rail of front end pay-off portion (3) inside, the inside chain drive mechanism that drives moulding press mechanism and feed that is provided with of rear end traction portion (5), and rear end traction portion (5) inside is provided with position adjustable travel switch, travel switch's output is connected with the actuating mechanism control unit electricity of cutting portion (4).

7. The automatic wire rope cutter of claim 1, wherein: the utility model discloses a cutting device, including two sets of cutters, the periphery of cutting the sword, the sword is discoid structure, and the periphery corresponding position of two sets of cutters all is provided with the U-shaped groove that runs through and take the open-ended, and one of them group cuts the fixed setting of sword, and another group cuts the sword and rotates the installation relatively, and the activity cuts the outside articulated third telescopic link (403) that is provided with of sword, and when two sets of cutters were in and cut the position, third telescopic link (403) axis was parallel with the tangent line that cuts the sword.

Technical Field

The invention relates to the technical field of steel wire rope production equipment, in particular to an automatic rope cutting machine for a steel wire rope rigging.

Background

In carrying out steel wire rope production process, need carry out the fixed length to the wire rope of coiling and tailor, current production process does, and the manual work carries out the blowing to wire rope, with wire rope straightening back in the factory building, carries out length measurement, and artifical the use cuts the sword afterwards and cuts, then arranges in order and accomodate the wire rope after cutting, to the wire rope that the diameter is thicker, its quality is great, and whole process that cuts needs many people to cooperate, and production efficiency is low, is unfavorable for rapid production.

Disclosure of Invention

The invention aims to overcome the defects in the prior art, provides the automatic rope cutting machine for the steel wire rope, realizes automatic production, only needs one person to monitor the whole process, greatly improves the production efficiency, and can effectively solve the problems in the background art.

In order to achieve the purpose, the invention provides the following technical scheme: an automatic wire rope cutting machine for a steel wire rope tool comprises a feeding portion and a cutting portion, wherein the feeding portion comprises a pay-off rack capable of rotatably mounting a spool, a driving mechanism for driving the spool to rotate is arranged in the pay-off rack, and the cutting portion comprises two groups of cutting knives which are coaxially arranged and can relatively rotate;

the upper and lower sides of the cutting part are respectively provided with a front end feeding part and a rear end traction part, die pressing mechanisms capable of dragging workpieces to feed and reset independently are arranged in the front end feeding part and the rear end traction part, a stroke detection mechanism for the die pressing mechanisms is arranged in the rear end traction part, the output end of the stroke detection mechanism is electrically connected with a control unit of the cutting part, a bottom supporting plate for supporting the workpieces is arranged in the rear end traction part, and the bottom supporting plate can be turned downwards to open;

a tension adjusting part capable of accommodating redundant workpieces is arranged between the front end feeding part and the discharging part, a workpiece internal tension detecting unit is arranged in the tension adjusting part, and the output end of the tension detecting unit is electrically connected with a driving mechanism control unit of the discharging part.

As a preferred technical scheme of the invention, a driving mechanism of the discharging part is a variable frequency motor, and a power output end of the driving mechanism is provided with a manual clutch;

through the structural design of the manual clutch, the output shaft of the driving mechanism can be quickly separated from the mounting shaft of the spool, so that the spool is convenient to hoist and replace.

As a preferred technical scheme of the invention, the tension adjusting part comprises a swing arm rotatably mounted along a horizontal axis, a wire passing wheel is rotatably arranged at the free end of the swing arm, the rotation axes of the swing arm and the wire passing wheel are parallel and perpendicular to the feeding direction of a workpiece, an angle monitoring mechanism for monitoring the rotation angle of the swing arm is further arranged in the tension adjusting part, and the output end of the angle monitoring mechanism is electrically connected with a driving mechanism control unit of the discharging part;

the angle monitoring mechanism can adopt an encoder to monitor the angle, and the monitoring of the internal tension of the steel wire rope is realized by detecting the upward swinging angle of the swinging arm, so that data is fed back to the driving mechanism of the material placing part, the paying-off speed is controlled, and the tension stability of the whole steel wire rope is adjusted;

the wire passing wheel is externally provided with a limiting wheel in parallel, a shielding frame is arranged between two ends of the limiting wheel and a rotating shaft of the wire passing wheel, a steel wire rope passes through a gap between the limiting wheel and the wire passing wheel, and the wire passing wheel adopts a rail wheel, so that the steel wire rope is effectively prevented from being separated from the wire passing wheel;

the wire outlet end of the material discharging part is provided with a positioning guide frame, so that the steel wire rope released by the material discharging part can enter the tension adjusting part from the same position and is not influenced by the winding mode of the steel wire rope in the spool;

set up the vision camera in the location leading truck simultaneously, carry out visual monitoring to the wire rope of unwrapping wire, when wire rope appears disconnected silk, the uneven circumstances of stranding, can automatic alarm, the operating personnel of being convenient for carries out emergency treatment, guarantees the quality of production product.

As a preferred technical scheme of the present invention, a fan-shaped pendulum bob is coaxially and fixedly arranged at a rotating shaft of the swing arm, when the swing arm naturally droops, the center of gravity of the fan-shaped pendulum bob is at the lowest point, the center of circle of the circumferential surface of the fan-shaped pendulum bob does not coincide with the rotation axis, the tension adjusting part further comprises a distance sensor which is fixedly arranged, the detection direction of the distance sensor faces the rotation axis of the fan-shaped pendulum bob, the distance sensor can detect the distance between the distance sensor and the circumferential surface of the fan-shaped pendulum bob, and the output end of the distance sensor is electrically connected with a driving mechanism control unit of the material placing part;

through increasing the fan-shaped pendulum of eccentric settings, can utilize the action of gravity, make the swing arm with cross the line wheel and can independently lower the pendulum to taut wire rope realizes tensioning of wire rope, and because fan-shaped pendulum adopts eccentric design, when swinging arm swing, its periphery constantly changes with fixed distance sensor's clearance, through the measurement to the clearance value, realizes the detection to swing arm swing angle, thereby utilizes this signal to realize the control of the linear velocity in the blowing portion.

As a preferred technical scheme of the invention, the die pressing mechanism comprises a die pressing frame capable of moving along the feeding direction of a workpiece, an intermediate plate capable of sliding up and down is arranged in the die pressing frame, and a first telescopic rod vertically arranged is arranged between the intermediate plate and the die pressing frame;

the steel wire rope penetrates through the middle plate and the bottom plate of the die pressing frame, the middle plate is driven to press downwards through the first telescopic rod, the steel wire rope and the die pressing frame are enabled to interact, the steel wire rope and the die pressing mechanism are relatively fixed and synchronously feed along with the die pressing mechanism, when the steel wire rope is fed to a specified position, the middle plate rises, the steel wire rope can be released, the rest positions of the steel wire rope are limited and fixed, the die pressing mechanism is moved again to reset, the steel wire rope does not synchronously move, the independent resetting of the die pressing mechanism is achieved, and the preparation is made for the feeding of the steel wire rope at the next time.

As a preferred technical scheme of the invention, slide rails arranged along the feeding direction of a workpiece are arranged in the front end feeding part and the rear end traction part, the die pressing mechanism is installed with the slide rails in a sliding manner, a second telescopic rod is arranged between the die pressing mechanism in the front end feeding part and the slide rails along the sliding direction, a chain driving mechanism for driving the die pressing mechanism to feed is arranged in the rear end traction part, a position-adjustable travel switch is arranged in the rear end traction part, and the output end of the travel switch is electrically connected with a driving mechanism control unit of the cutting part;

according to the length of the steel wire rope which needs to be cut actually, the position of the travel switch on the inner sliding rail of the rear end traction portion is changed, when the die pressing mechanism in the rear end traction portion pulls the steel wire rope to move to the position of the travel switch, the travel switch transmits a signal to the cutting portion to cut the steel wire rope, and the automatic cutting with fixed length is achieved.

As a preferred technical scheme of the present invention, the cutting knives are disc-shaped, and U-shaped grooves with openings are formed at corresponding positions of the circumferential surfaces of the two sets of cutting knives, wherein one set of cutting knives is fixedly disposed, the other set of cutting knives is relatively rotatably disposed, and a third telescopic rod is hinged to the outer portion of each movable cutting knife, and when the two sets of cutting knives are located at the cutting positions, the axis of the third telescopic rod is parallel to the tangent line of the cutting knife;

the cutting knife comprises a fixed knife and a movable knife, the two groups of cutting knives are the same in shape, the fixed knife is fixedly installed, the movable knife is installed in a relative rotating mode, the two ends of a third telescopic rod are hinged to the circumferential portion of the movable knife and an external fixed rack respectively, in the working process, a steel wire rope penetrates through a U-shaped groove of the cutting knife, when the cutting portion receives a cutting instruction, the third telescopic rod drives the movable knife to rotate, and the steel wire rope is cut by utilizing side blades of the two groups of U-shaped grooves of the cutting knives.

Compared with the prior art, the invention has the beneficial effects that: the automatic rope cutter for the steel wire rope rigging adopts automatic discharging of the discharging part, is combined with the tension adjusting part, realizes automatic containing of redundant discharging and automatic adjustment of tension, realizes automatic length measurement and cutting by utilizing the rear end traction part, and automatically stores and arranges the steel wire rope after cutting, the whole process does not need manual participation, and the efficiency is improved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of a discharge portion of the present invention;

FIG. 3 is a schematic view of a positioning guide of the present invention;

FIG. 4 is a schematic view of a tension adjusting portion according to the present invention;

FIG. 5 is a front view of a tension adjuster section according to the present invention;

FIG. 6 is a schematic view of a fan shaped pendulum of the present invention;

FIG. 7 is a schematic view of the assembly of the moveable knife of the present invention;

FIG. 8 is a schematic view of a compression molding mechanism of the present invention;

FIG. 9 is a schematic view of a front end feed mechanism of the present invention;

FIG. 10 is a cross-sectional view of the rear end tractor portion of the present invention;

FIG. 11 is a schematic view of a cut-out portion according to the present invention.

In the figure: 1. a discharging part; 101. a pay-off rack; 102. a manual clutch; 103. a drive mechanism; 104. positioning a guide frame; 2. a tension adjusting part; 201. a wire passing wheel; 202. swinging arms; 203. a fan-shaped pendulum bob; 204. a limiting wheel; 205. a distance sensor; 3. a front end feeding part; 301. a middle plate; 302. pressing the die frame; 303. a first telescopic rod; 304. a second telescopic rod; 4. a cutting section; 401. fixing a knife; 402. a movable knife; 403. a third telescopic rod; 5. a rear end traction portion; 501. a bottom pallet; 502. and a fourth telescopic rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-11, the present invention provides a technical solution: an automatic wire rope cutting machine for a steel wire rope sling comprises a feeding portion 1 and a cutting portion 4, wherein the feeding portion 1 comprises a pay-off rack 101 capable of rotatably mounting a spool, a driving mechanism 103 for driving the spool to rotate is arranged in the pay-off rack 101, and the cutting portion 4 comprises two groups of cutting knives which are coaxially arranged and can relatively rotate;

the upper and lower sides of the cutting part 4 are respectively provided with a front end feeding part 3 and a rear end traction part 5, both the front end feeding part 3 and the rear end traction part 5 are internally provided with a die pressing mechanism capable of dragging a workpiece to feed and reset independently, the rear end traction part 5 is internally provided with a stroke detection mechanism for the die pressing mechanism, the output end of the stroke detection mechanism is electrically connected with a control unit of the cutting part 4, the rear end traction part 5 is internally provided with a bottom supporting plate 501 for supporting the workpiece, and the bottom supporting plate 501 can be turned downwards and opened;

a tension adjusting part 2 capable of accommodating redundant workpieces is arranged between the front end feeding part 3 and the material placing part 1, a workpiece internal tension detecting unit is arranged in the tension adjusting part 2, and the output end of the tension detecting unit is electrically connected with a control unit of a driving mechanism 103 of the material placing part 1.

The driving mechanism 103 of the feeding part 1 is a variable frequency motor, and the power output end of the driving mechanism 103 is provided with a manual clutch 102;

through the structural design of the manual clutch 102, the output shaft of the driving mechanism 103 can be quickly separated from the mounting shaft of the spool, so that the spool is convenient to hoist and replace.

The tension adjusting part 2 comprises a swing arm 202 which is rotatably installed along a horizontal axis, the free end of the swing arm 202 is rotatably provided with a wire passing wheel 201, the rotation axes of the swing arm 202 and the wire passing wheel 201 are parallel and vertical to the feeding direction of a workpiece, an angle monitoring mechanism for monitoring the rotation angle of the swing arm 202 is further arranged inside the tension adjusting part 2, and the output end of the angle monitoring mechanism is electrically connected with the control unit of the driving mechanism 103 of the material placing part 1;

the angle monitoring mechanism can adopt an encoder to monitor the angle, and the monitoring of the internal tension of the steel wire rope is realized by detecting the upward swinging angle of the swinging arm 202, so that data is fed back to the driving mechanism 103 of the discharging part 1, and the paying-off speed is controlled to adjust the tension stability of the whole steel wire rope;

a limiting wheel 204 is arranged outside the wire passing wheel 201 in parallel, a shielding frame is arranged between two ends of the limiting wheel 204 and a rotating shaft of the wire passing wheel 201, a steel wire rope passes through a gap between the limiting wheel 204 and the wire passing wheel 201, and the wire passing wheel 201 adopts a rail wheel, so that the steel wire rope is effectively prevented from being separated from the wire passing wheel 201;

the wire outlet end of the material discharging part 1 is provided with a positioning guide frame 104, so that the steel wire rope released by the material discharging part 1 can enter the tension adjusting part 2 from the same position and is not influenced by the winding mode of the steel wire rope in the spool;

meanwhile, a visual camera is arranged in the positioning guide frame 104 to visually monitor the paying-off steel wire rope, when the steel wire rope is broken and twisted unevenly, an alarm can be automatically given, so that an operator can conveniently perform emergency treatment, and the quality of a produced product is ensured.

The rotary shaft of the swing arm 202 is coaxially and fixedly provided with a fan-shaped pendulum bob 203, when the swing arm 202 naturally droops, the gravity center of the fan-shaped pendulum bob 203 is at the lowest point, the circle center of the circumferential surface of the fan-shaped pendulum bob 203 is not overlapped with the rotary axis, the tension adjusting part 2 further comprises a fixedly arranged distance sensor 205, the detection direction of the distance sensor 205 faces to the rotary axis of the fan-shaped pendulum bob 203 and can detect the distance between the distance sensor and the circumferential surface of the fan-shaped pendulum bob 203, and the output end of the distance sensor 205 is electrically connected with the control unit of the driving mechanism 103 of the material placing part 1;

through increasing the fan-shaped pendulum 203 of eccentric settings, can utilize the action of gravity, make swing arm 202 and cross line wheel 201 can independently the downswing to taut wire rope realizes tensioning of wire rope, and because fan-shaped pendulum 203 adopts eccentric design, when swinging arm 202 swings, its periphery constantly changes with fixed distance sensor 205's clearance, through the measurement to the clearance value, realize the detection to swing arm 202 swing angle, thereby utilize this signal to realize the control of the discharge line speed in blowing portion 1.

The die pressing mechanism comprises a die frame 302 capable of moving along the workpiece feeding direction, an intermediate plate 301 capable of sliding up and down is arranged in the die frame 302, and a first telescopic rod 303 vertically arranged is arranged between the intermediate plate 301 and the die frame 302;

the steel wire rope penetrates through the middle plate 301 and the bottom plate of the die holder 302, the middle plate 301 is driven to press downwards through the first telescopic rod 303, the steel wire rope and the bottom of the die holder 302 are made to interact, the steel wire rope and the die pressing mechanism are relatively fixed and synchronously feed along with the die pressing mechanism, when the steel wire rope is fed to a specified position, the middle plate 301 rises, the steel wire rope is released at the moment, the rest positions of the steel wire rope are limited and fixed, the die pressing mechanism is moved again to reset at the moment, the steel wire rope cannot move synchronously, the independent reset of the die pressing mechanism is realized, and the preparation is made for the feeding of the steel wire rope at the next time.

Slide rails arranged along the workpiece feeding direction are arranged in the front end feeding part 3 and the rear end traction part 5 respectively, the die pressing mechanism and the slide rails are installed in a sliding mode, a second telescopic rod 304 is arranged between the die pressing mechanism in the front end feeding part 3 and the slide rails along the sliding direction, a chain driving mechanism for driving the die pressing mechanism to feed is arranged in the rear end traction part 5, a position-adjustable travel switch is arranged in the rear end traction part 5, and the output end of the travel switch is electrically connected with a driving mechanism control unit of the cutting part 4;

according to the length of the steel wire rope which needs to be cut actually, the position of the travel switch on the sliding rail in the rear end traction portion 5 is changed, when the die pressing mechanism in the rear end traction portion 5 pulls the steel wire rope to move to the position of the travel switch, the travel switch transmits a signal to the cutting portion 4, the steel wire rope is cut, and the automatic cutting with fixed length is achieved.

The cutting knives are of a disc-shaped structure, U-shaped grooves which penetrate through and are provided with openings are formed in the circumferential surfaces of the two groups of cutting knives, one group of cutting knives is fixedly arranged, the other group of cutting knives is installed in a relative rotating mode, the outer portions of the movable cutting knives are hinged with third telescopic rods 403, and when the two groups of cutting knives are located at the cutting positions, the axes of the third telescopic rods 403 are parallel to the tangent lines of the cutting knives;

the cutting knife comprises a fixed knife 401 and a movable knife 402, the two sets of cutting knives are the same in shape, the fixed knife 401 is fixedly installed, the movable knife 402 is installed in a relative rotating mode, two ends of a third telescopic rod 403 are hinged to the circumferential portion and the external fixed rack of the movable knife 402 respectively, in operation, a steel wire rope penetrates through a U-shaped groove of the cutting knife, when the cutting portion 4 receives a cutting instruction, the third telescopic rod 403 drives the movable knife 402 to rotate, and the steel wire rope is cut by using side edges of the two sets of U-shaped grooves of the cutting knives.

When in use: the driving mechanism 103 in the material placing part 1 drives the spool to pay off, the steel wire rope passes through the positioning guide frame 104, is output at a fixed position, enters the tension adjusting part 2, then passes through the die pressing mechanism of the front end feeding part 3, then passes through the U-shaped groove of the cutting knife of the cutting part 4, and enters the die pressing mechanism of the rear end traction part 5, at the moment, the die pressing mechanism of the front end feeding part 3 is in a release state, the two groups of U-shaped grooves of the cutting knife of the cutting part 4 are in an overlapping state, the die pressing mechanism of the rear end traction part 5 is in a locking state, under the traction of the chain driving mechanism, the steel wire rope is driven to axially feed until the die pressing mechanism and the steel wire rope move to a travel switch position, the travel switch transmits a signal to the cutting part 4, the third telescopic rod drives the movable knife 402 to rotate, when cutting, the axis of the third telescopic rod 403 is vertical to the direction of the force arm, the largest force arm 403 is obtained, namely the largest shearing force is obtained, cut wire rope fast, when die pressing mechanism drags wire rope and feeds, bottom layer board 501 supports wire rope, treat the back of cuting, fourth telescopic link 502 drives bottom layer board 501 upset downwards and opens, make wire rope drop downwards and accomodate, die pressing mechanism rapid motion in the rear end traction portion 5 reaches foremost afterwards, this in-process again, the die pressing mechanism locking wire rope of front end pay-off portion 3, drag and feed, get into in the die pressing mechanism in the rear end traction portion 5 behind the U-shaped groove, and by its locking, the die pressing mechanism release of front end pay-off portion 3, and reset, carry out cutting of next round afterwards.

In the paying-off process, the actual paying-off speed with the same rotating speed is different due to the change of the spool diameter and is influenced by the transverse dense arrangement of steel wires, the actual paying-off speed in the same spool diameter is also fluctuated, so that the internal tension of the steel wire rope is in a fluctuation state, the wire passing wheel 201 presses the steel wire rope downwards by the gravity of the wire passing wheel 201, the actual wire accommodating amount in the tension adjusting part 2 is different when the wire passing wheel 201 is at different heights, when the height of the wire passing wheel 201 is higher, namely the swing arm 202 has a larger swing angle, the driving mechanism 103 is controlled to rotate at an accelerated speed, the rotating speed of the spool is increased, the paying-off speed is accelerated, when the height of the wire passing wheel 201 is lower, namely the swing arm 202 has a smaller swing angle, the driving mechanism 103 is controlled to decelerate, the rotating speed of the spool is reduced, the paying-off speed is reduced, so that the wire content of the tension adjusting part 2 is ensured to be stable, and the internal tension of the steel wire rope is constant, the steel wire rope is prevented from derailing, and the continuous production is ensured.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.