CN109230806B

CN109230806B - Initiative pay-off

Info

Publication number: CN109230806B
Application number: CN201811060906.7A
Authority: CN
Inventors: 常天福; 乔晓龙; 王震; 董文卫; 陈庆谊
Original assignee: Xi'an Telison New Materials Co ltd
Current assignee: Xi'an Telison New Materials Co ltd
Priority date: 2018-09-12
Filing date: 2018-09-12
Publication date: 2023-12-22
Anticipated expiration: 2038-09-12
Also published as: CN109230806A

Abstract

The invention discloses an active paying-off device which comprises a wire coil and a rack, wherein the wire coil is horizontally arranged on the rack, a supporting plate is vertically arranged in the rack, and a hollow shaft, a first idler wheel, a potentiometer and a second idler wheel are arranged on the supporting plate. The hollow shaft is horizontally fixed on the supporting plate, the right end of the hollow shaft extends out of the supporting plate, the right end of the hollow shaft is provided with a U-shaped bracket, and the wire coil extends into an opening of the U-shaped bracket; the hollow shaft is connected with a first driving part; the U-shaped bracket is provided with a pigtail ring, a first guide wheel, a second guide wheel and a third guide wheel; the potentiometer is connected with a tension swing rod, and the swing end of the tension swing rod is provided with a third idler wheel; the wire rod passes through the pigtail ring, the first guide wheel, the second guide wheel, the third guide wheel, the hollow shaft, the first passing wheel, the second passing wheel, the third passing wheel and the first passing wheel in sequence. According to the invention, the paying-off process is realized by designing the U-shaped bracket, the rotational inertia is small, the energy consumption is greatly reduced, the equipment is convenient to start and stop, the control precision is improved, and no noise pollution is caused.

Description

Initiative pay-off

Technical Field

The invention belongs to the technical field of photovoltaic solder strips, and particularly relates to an active paying-off device.

Background

The welding strip is an important raw material in the welding process of the photovoltaic module, and the quality of the welding strip can directly influence the collection efficiency of the current of the photovoltaic module, so that the power of the photovoltaic module is greatly affected. In the production process of the welding strip, the first operation is to finish paying off the copper wires on the material tray. The existing active paying-off structure is characterized in that a left center and a right center are used for propping up a material disc, and a left driving mechanism is used for reducing a speed and a servo motor to directly drive the left center to rotate so as to drive a whole coil of material disc to rotate to finish paying-off operation.

The existing paying-off structure needs to drive the whole coil tray to rotate, when a large coil tray is used or high-speed rotation operation is needed, the asynchronous gear motor of the left driving mechanism needs larger torque, and under the continuous running state of equipment, the electric power energy loss is larger; when the existing paying-off structure runs at high speed, the rotational inertia of the large-coil-diameter material disc is large, so that the starting and stopping time of the paying-off mechanism is long, and the speed control and matching of the whole machine of the full-automatic tin-plating integrated machine with the welding strip are not facilitated; when the existing pay-off structure works for a long time, because the large-coil-diameter material disc is heavier, the accuracy of the left and right center is reduced under the condition of long-term stress and abrasion, so that the noise of the equipment is larger during working, and the noise of the common asynchronous motor is larger, so that the noise pollution of a production workshop is huge.

Disclosure of Invention

In order to solve the problems, the invention aims to provide an active paying-off device, which realizes paying-off by designing a U-shaped bracket, and has the advantages of simple structure, light weight, small moment of inertia and greatly reduced energy consumption; and the servo motor is adopted for driving, the equipment is quick and convenient to start and stop, the control precision is improved, faults such as broken wires and the like caused by mismatching of the speed of the whole machine and the paying-off speed are avoided, the working efficiency of the whole machine is improved, and noise pollution is avoided.

In order to achieve the above purpose, the present invention adopts the following technical scheme.

An active paying-off device comprises a wire coil and a rack, wherein the wire coil is horizontally arranged on the right side wall of the rack, a supporting plate is vertically arranged in the rack, and a hollow shaft, a first idler wheel, a potentiometer and a second idler wheel are arranged on the supporting plate; the hollow shaft is horizontally fixed on the supporting plate through a bearing seat, and the right end of the hollow shaft extends out of the supporting plate; the right end of the hollow shaft is horizontally provided with a U-shaped bracket, the opening end of the U-shaped bracket faces the wire coil, and the wire coil stretches into the opening of the U-shaped bracket; the central line of the hollow shaft, the central line of the U-shaped bracket and the central line of the wire coil are respectively positioned on the same horizontal plane; the hollow shaft is connected with a first driving part, and the first driving part drives the U-shaped bracket wire spool to rotate; a pigtail ring, a first guide wheel and a second guide wheel are sequentially arranged on one horizontal support rod of the U-shaped support from right to left, and a third guide wheel is arranged on a vertical rod of the U-shaped support; and the lowest point tangent line of the third guide wheel, the central line of the hollow shaft and the lowest point tangent line of the first passing wheel are respectively positioned on the same horizontal plane.

The extension shaft of the potentiometer is connected with a tension swing rod through a coupler, and the swing end of the tension swing rod is provided with a third idler wheel; the potentiometer is also connected with a servo driver, the output end of the potentiometer is connected with the input end of the servo driver, and the output end of the servo driver is connected with the control end of the first driving component.

Wire rods on the wire coil sequentially pass through the pigtail ring, the first guide wheel, the second guide wheel, the third guide wheel, the hollow shaft, the first passing wheel, the second passing wheel and the third passing wheel, and then are discharged through the second passing wheel.

In addition, the active paying-off device provided by the invention can also have the following additional technical characteristics:

preferably, the first driving part comprises a first servo motor, a first synchronous pulley, a second synchronous pulley and a conveyor belt, wherein the first synchronous pulley is sleeved on the hollow shaft, the second synchronous pulley is sleeved on an output shaft of the first servo motor, and the conveyor belt is sleeved on the first synchronous pulley and the second synchronous pulley.

Preferably, the first servo motor is connected with the support plate.

Preferably, the output end of the potentiometer is connected with the input end of the servo driver, and the output end of the servo driver is connected with the control end of the first servo motor.

Preferably, the first guide wheel, the second guide wheel and the third guide wheel are respectively provided with an anti-derailing baffle rod.

Preferably, a base is arranged at the right end of the wire coil, a first pin hole is formed in the base, a second pin hole is correspondingly formed in a right side plate of the frame, and pins are assembled in the first pin hole and the second pin hole.

Preferably, the base is provided with a sliding block, a right side plate of the frame is provided with a vertical guide rail, the wire coil is connected with a second driving component, and the second driving component drives the wire coil to move up and down along the vertical guide rail.

Preferably, the second driving part comprises a second servo motor and a ball screw, an output shaft of the second servo motor is connected with one end of the ball screw, and a nut base of the ball screw is connected with the wire coil.

Preferably, the second servo motor is arranged at the upper end of the right side wall of the frame.

Preferably, the bottom of frame is provided with the cylinder, the left end of cylinder is fixed in on the frame lateral wall, the right-hand member of cylinder is provided with the tray, the tray bottom is provided with the gyro wheel, be provided with horizontal guide rail on the bottom plate of frame, the gyro wheel is followed horizontal guide rail moves about.

Preferably, a groove is formed in the tray, and the wire coil is placed in the groove.

Preferably, the hollow shaft is welded and fixed with the U-shaped bracket.

Preferably, a balancing weight is arranged in the middle of the tension swing rod.

Preferably, the left end of the supporting plate is connected with the left side wall of the frame, and the right end of the supporting plate is connected with the rear side wall of the frame through a connecting rod.

Compared with the prior art, the invention has the following beneficial effects:

(1) The device has changed traditional paying off mechanism's unwrapping wire mode, and the drum does not take place to rotate, adopts U-shaped support wire reel to rotate and carries out the unwrapping wire operation, and device simple structure, moment of inertia is little, and equipment opens and stops conveniently, and first drive part adopts less power can accomplish the unwrapping wire operation, compares with current unwrapping wire mechanism, and motor power falls to 200W from original 2.2KW, greatly reduced the energy consumption.

(2) The device adopts first servo motor drive hollow shaft to drive U-shaped support and rotates and realize the unwrapping wire process, compares ordinary asynchronous motor, and servo motor opens and stops more convenient sensitivity, and control accuracy is better, can effectively improve complete machine speed control and matching ability, avoids the complete machine to lead to the fact trouble such as broken wire owing to speed mismatch to improve complete machine work efficiency.

(3) The device simple structure, motor power greatly reduced, and to realizing rotating each spare part precision requirement low, noiseless pollution in unwrapping wire in-process has improved workshop operational environment.

Drawings

The invention will now be described in further detail with reference to the drawings and to specific examples.

FIG. 1 is a schematic diagram of an embodiment of an active payout device of the present invention.

FIG. 2 is a schematic view of an embodiment of an active payout device of the present invention

Fig. 3 is a schematic diagram showing connection between the second driving part and the wire coil in the active paying-off device according to the present invention.

Fig. 4 is a schematic diagram showing connection between a potentiometer and a tension swing rod in an active paying-off device.

Fig. 5 is a control circuit diagram of an active payout device according to the present invention.

In the above figures: 1. wire coil; 101. a base; 102. a slide block; 103. a pin; 2. a hollow shaft; 201. a U-shaped bracket; 202. pigtail ring; 203. a first guide wheel; 204. a second guide wheel; 205. a third guide wheel; 3. a first pass wheel; 4. a potentiometer; 401. tension swing rod; 402. a third pass wheel; 403. balancing weight; 5. a second pass wheel; 6. a tray; 601. a roller; 602. a horizontal guide rail; 603. a groove; 7. a cylinder; 8. a first driving part; 801. a first servo motor; 802. a conveyor belt; 9. a second driving part; 901. a second servo motor; 902. a ball screw; 10. a support plate; 11. a frame; 1101. and (5) a vertical guide rail.

Detailed Description

Referring to fig. 1-5, the active paying-off device comprises a wire coil 1 and a frame 11, wherein the wire coil 1 is horizontally arranged on the right side wall of the frame 11, a support plate 10 is vertically arranged in the frame 11, and a hollow shaft 2, a first idler wheel 3, a potentiometer 4 and a second idler wheel 5 are arranged on the support plate 10; the hollow shaft 2 is horizontally fixed on the supporting plate 10 through a bearing seat, and the right end of the hollow shaft 2 extends out of the supporting plate 10; the right end of the hollow shaft 2 is horizontally provided with a U-shaped support 201, the opening end of the U-shaped support 201 faces the wire coil 1, and the wire coil 1 stretches into the opening of the U-shaped support 201; the central line of the hollow shaft 2, the central line of the U-shaped bracket 201 and the central line of the wire coil 1 are respectively positioned on the same horizontal plane; the hollow shaft 2 is connected with a first driving part 8, and the first driving part 8 drives the U-shaped bracket 201 to rotate around the spool 1; a pigtail ring 202, a first guide wheel 203 and a second guide wheel 204 are sequentially arranged on one horizontal support rod of the U-shaped support 201 from right to left, and a third guide wheel 205 is arranged on a vertical rod of the U-shaped support 201; the lowest point tangent line of the third guide wheel 205, the center line of the hollow shaft 2 and the lowest point tangent line of the first idler wheel 3 are respectively located on the same horizontal plane.

The extension shaft of the potentiometer 4 is connected with a tension swing rod 401 through a coupler, and a third idler wheel 402 is arranged at the swing end of the tension swing rod 401; the potentiometer 4 is also connected with a servo driver, the output end of the potentiometer 4 is connected with the input end of the servo driver, and the output end of the servo driver is connected with the control end of the first driving part 8.

The wire on the wire coil 1 sequentially passes through the pigtail ring 202, the first guide wheel 203, the second guide wheel 204, the third guide wheel 205, the hollow shaft 2, the first idler wheel 3, the second idler wheel 5 and the third idler wheel 402, and then is discharged through the second idler wheel 5.

In the above embodiment, the frame 11 is used to support the entire apparatus and make the position of the entire apparatus movable; the supporting plate 10 is arranged in the frame 11 and is used for supporting and fixing the hollow shaft 2, the first passing wheel 3, the potentiometer 4, the second passing wheel 5 and other parts at the hollow part of the frame 11; the right end of the hollow shaft 2 is horizontally provided with a U-shaped support 201, the opening end of the U-shaped support 201 faces the wire coil 1, and the wire coil 1 stretches into the opening of the U-shaped support 201; the wire on the wire coil 1 can be paid out through the rotation of the wire coil 1 of the U-shaped support 201. The right end of the hollow shaft 2 extends out of the support plate 10, so that collision with the support plate 10 during rotation of the U-shaped support 201 is avoided, and enough space is reserved for rotation of the U-shaped support 201. The center line of the hollow shaft 2, the center line of the U-shaped support 201 and the center line of the wire coil 1 are respectively positioned on the same horizontal plane, so that the hollow shaft 2 and the U-shaped support 201 can rotate by taking the wire coil 1 as a center shaft, the coaxial rotation is realized, the whole paying-off process is more stable, and the condition of wire breakage is avoided; the hollow shaft 2 is connected with a first driving part 8 for driving the hollow shaft 2 to rotate, so that the hollow shaft 2 drives the U-shaped support 201 wire spool 1 to rotate, and an active paying-off process is realized. In the paying-off process, the wire coil 1 does not rotate, and paying-off operation is performed by adopting the rotation of the wire spool 1 of the U-shaped support 201, compared with the traditional paying-off operation by rotating the wire coil 1, the paying-off device is simple in structure, small in rotational inertia and low in power required by rotation, and the power of a motor can be reduced from original 2.2KW to 200W, so that the energy consumption is greatly reduced; and the structure is simple, the precision requirement for realizing rotation of each part is low, and no noise pollution is caused in the paying-off process.

The pigtail 202 is used for guiding wires, so that the wires can slide smoothly in the pigtail 202 in the rotating process of the U-shaped support 201, the sliding resistance of the wires is reduced, and the abrasion of the wires is reduced; the first guide wheel 203 enables the wire rod to smoothly transition in the horizontal direction, the second guide wheel 204 is used for guiding the horizontal movement of the wire rod to the vertical direction, and the third guide wheel 205 is used for guiding the vertical movement of the wire rod to the horizontal direction, so that the wire rod smoothly enters the hollow shaft 2; the lowest point tangent line of the third guide wheel 205, the central line of the hollow shaft 2 and the lowest point tangent line of the first passing wheel 3 are respectively positioned on the same horizontal plane, so that wires are guided front and back on the right side and the left side of the hollow shaft 2, friction is avoided from being generated by the contact between the wires and the inner walls at the left end and the right end of the hollow shaft 2 in the conveying process, the wires are worn, meanwhile, the wires are stably conveyed in the horizontal direction, the upper and lower pulling forces are avoided, the linear distance is shortest, and the conveying time can be saved.

The up-and-down swing of the tension swing rod 401 is sensed by the extending shaft of the potentiometer 4, and the displacement signal is converted into an electric signal for feeding back the matching condition of the paying-off speed and the speed of the whole machine, so that the first driving part 8 is guided to adjust the rotating speed of the hollow shaft 2 to change the paying-off speed, and the paying-off speed is matched with the speed of the whole machine.

When the wire paying-off device is used, wires on the wire coil 1 are manually led through the pigtail ring 202, the first guide wheel 203, the second guide wheel 204, the third guide wheel 205, the hollow shaft 2, the first passing wheel 3, the second passing wheel 5 and the third passing wheel 402 in sequence, led out of the paying-off device through the second passing wheel 5 to enter a subsequent process, and then the first driving part 8 is started to realize the continuous paying-off process of the wires.

The invention relates to an active paying-off device, which is further provided with the following additional embodiments:

referring to fig. 1 and 2, according to an embodiment of the present invention, the first driving part 8 includes a first servomotor 801, a first synchronous pulley, a second synchronous pulley, and a transmission belt 802, the first synchronous pulley is sleeved on the hollow shaft 2, the second synchronous pulley is sleeved on an output shaft of the first servomotor 801, and the transmission belt 802 is sleeved on the first synchronous pulley and the second synchronous pulley.

In the above embodiment, the output shaft of the first servo motor 801 drives the second synchronous pulley to rotate, so that the conveyor belt 802 drives the first synchronous pulley to rotate, and the first synchronous pulley drives the hollow shaft 2 to rotate, so that synchronous rotation of the output shaft of the first servo motor 801 and the hollow shaft 2 is realized, the rotation speed of the hollow shaft 2 is conveniently adjusted through the first servo motor 801, and the paying-off speed is further controlled.

Referring to fig. 1 and 2, a first servo motor 801 is coupled to a support plate 10 according to one embodiment of the present invention.

In the above embodiment, the first servo motor 801 is connected to the support plate 10 for fixing the first servo motor 801 to the support plate 10.

Referring to fig. 4, according to one embodiment of the invention, the output of potentiometer 4 is connected to the input of a servo driver, the output of which is connected to the control of a first servo motor 801.

In the above embodiment, the potentiometer 4 converts the displacement movement of the tension swing rod 401 into an electrical signal and transmits the electrical signal to the servo driver, and the servo driver is used for acquiring the electrical signal and controlling the rotation speed of the first servo motor 801, so as to realize that the paying-off speed of the wire coil 1 is guided by the tension swing rod 401, and further, the paying-off speed and the overall speed are better matched. Specifically, if the paying-out speed is too fast, the tension swing rod 401 descends from the intermediate position, the voltage value of the potentiometer 4 is reduced, and the voltage value is transmitted to the servo driver, and the servo driver performs PID positive regulation to reduce the output rotating speed of the first servo motor 801, so that the paying-out speed is reduced, and the paying-out speed is matched with the speed of the whole machine. Otherwise, if the paying-off speed is too slow, the tension swing rod 401 rises from the middle position, the voltage value of the potentiometer 4 rises and is transmitted to the servo driver, and the servo driver performs PID positive regulation to increase the output rotating speed of the motor, so that the paying-off speed is improved, and the paying-off speed is matched with the speed of the whole machine.

Referring to fig. 1, according to an embodiment of the present invention, a base 101 is disposed at the right end of a wire coil 1, a first pin 103 hole is formed in the base 101, a second pin 103 hole is correspondingly formed in the right side plate of a frame 11, and pins 103 are assembled in the first pin 103 hole and the second pin 103 hole.

In the above embodiment, the right end of the wire coil 1 is provided with the base 101, the base 101 is provided with the first pin 103 hole, the right side plate of the stand 11 is correspondingly provided with the second pin 103 hole, the first pin 103 hole and the second pin 103 hole are internally provided with the pin 103, the wire coil 1 is assembled in the first pin 103 hole and the second pin 103 hole through the pin 103, the connection with the stand 11 is realized, the wire coil 1 is fixed on the stand 11, and the stable paying-off is convenient.

Referring to fig. 1, according to an embodiment of the present invention, a slider 102 is provided on a base 101, a vertical rail 1101 is provided on a right side plate of a frame 11, and a wire coil 1 is connected to a second driving part 9, and the second driving part 9 drives the wire coil 1 to move up and down along the vertical rail 1101.

In the above embodiment, the wire coil 1 can automatically move in the vertical direction, so that the position of the wire coil 1 in the vertical direction can be conveniently changed, and the labor is saved.

Referring to fig. 1 and 3, according to an embodiment of the present invention, the second driving part 9 includes a second servo motor 901 and a ball screw 902, an output shaft of the second servo motor 901 is connected to one end of the ball screw 902, and a nut base 101 of the ball screw 902 is connected to the wire reel 1.

In the above embodiment, the output shaft of the second servo motor 901 drives the ball screw 902 to rotate, so that the nut seat on the ball screw 902 moves up and down, and the nut seat on the ball screw 902 is connected with the wire coil 1 by means of threaded fixation and the like, so as to drive the whole wire coil 1 to move up and down, and realize the up and down movement of the wire coil 1.

Referring to fig. 1, a second servo motor 901 is provided at an upper end of a right side wall of the frame 11 according to an embodiment of the present invention.

In the above embodiment, the second servo motor 901 is disposed at the upper end of the right side wall of the frame 11, so that the second servo motor 901 is fixed on the frame 11, and further up-down driving of the wire coil 1 is achieved.

Referring to fig. 1, according to an embodiment of the present invention, a cylinder 7 is provided at the bottom of a frame 11, the left end of the cylinder 7 is fixed to the side wall of the frame 11, a tray 6 is provided at the right end of the cylinder 7, a roller 601 is provided at the bottom of the tray 6, a horizontal rail 602 is provided on the bottom plate of the frame 11, and the roller 601 moves left and right along the horizontal rail 602.

In the above embodiment, the air cylinder 7 is used for pushing the tray 6 to move in the horizontal direction, the roller 601 at the bottom of the tray 6 moves left and right along the horizontal guide rail 602, so that the tray 6 moves left and right along the guide rail, the wire coil 1 is placed on the tray 6, the tray 6 is pushed to move through the air cylinder 7, the horizontal movement of the wire coil 1 is completed, and the horizontal movement of the wire coil 1 is completed in a time-saving and labor-saving manner.

Referring to fig. 1 and 2, according to one embodiment of the present invention, the first guide wheel 203, the second guide wheel 204, and the third guide wheel 205 are provided with an anti-thread out stop lever, respectively.

In the above embodiment, the wire-off prevention lever is used to prevent the wire from coming off during the rotation of the U-shaped bracket 201 and to prevent the wire from coming off during the transfer.

Referring to fig. 1 and 2, according to one embodiment of the present invention, the hollow shaft 2 is welded to the U-shaped bracket 201.

In the above embodiment, the hollow shaft 2 and the U-shaped bracket 201 are welded and fixed, so that the two are fixed more firmly, and in the subsequent rotational paying-off process, the influence on paying-off stability caused by inconsistent rotation speeds of the hollow shaft 2 and the U-shaped bracket 201 is avoided

Referring to fig. 1 and 2, according to one embodiment of the present invention, a groove 603 is provided on the tray 6, and the wire coil 1 is placed in the groove 603.

In the above embodiment, the groove 603 is provided on the tray 6, so that when the wire coil 1 moves in the horizontal direction, the wire coil 1 is placed in the groove 603, and the wire coil 1 is prevented from rolling out of the tray 6 when the wire coil 1 moves in the horizontal direction.

Referring to fig. 1, 2 and 4, according to one embodiment of the present invention, a weight 403 is provided in the middle of the tension swing link 401.

In the above embodiment, the weight 403 is used for adjusting the tension of the wire, and in the initial stage of paying-off, the wire is always in a tensioning state by moving the position of the weight 403 on the tension swing rod 401, so as to avoid the deformation or even fracture of the wire caused by too loose wire and excessive wire tension.

Referring to fig. 1 and 2, according to an embodiment of the present invention, a left end of a support plate 10 is connected to a left side wall of a frame 11, and a right end of the support plate 10 is connected to a rear side wall of the frame 11 through a connection rod.

In the above embodiment, the left end of the support plate 10 is connected with the left side wall of the frame 11, and the right end of the support plate 10 is connected with the rear side wall of the frame 11 through the connecting rod, so that the support plate 10 is fixed in the middle of the frame 11 by taking the left side wall and the rear side wall of the frame 11 as supports, and the whole device is stable in structure.

It will be apparent to those skilled in the art that various modifications and variations can be made to the present invention without departing from the spirit or scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and the equivalents thereof, the present invention is intended to include such modifications and variations.

Claims

1. The active paying-off device is characterized by comprising a wire coil (1) and a rack (11), wherein the wire coil (1) is horizontally arranged on the right side wall of the rack (11), a supporting plate (10) is vertically arranged in the rack (11), and a hollow shaft (2), a first passing wheel (3), a potentiometer (4) and a second passing wheel (5) are arranged on the supporting plate (10); the hollow shaft (2) is horizontally fixed on the supporting plate (10) through a bearing seat, and the right end of the hollow shaft (2) extends out of the supporting plate (10); the right end of the hollow shaft (2) is horizontally provided with a U-shaped support (201), the opening end of the U-shaped support (201) faces the wire coil (1), and the wire coil (1) stretches into the opening of the U-shaped support (201); the central line of the hollow shaft (2), the central line of the U-shaped bracket (201) and the central line of the wire coil (1) are respectively positioned on the same horizontal plane; the hollow shaft (2) is connected with a first driving component (8), and the first driving component (8) drives the U-shaped bracket (201) to rotate on the wire spool (1);

a pigtail ring (202), a first guide wheel (203) and a second guide wheel (204) are sequentially arranged on one horizontal support rod of the U-shaped support (201) from right to left, and a third guide wheel (205) is arranged on a vertical rod of the U-shaped support (201); the lowest point tangent line of the third guide wheel (205), the central line of the hollow shaft (2) and the lowest point tangent line of the first passing wheel (3) are respectively positioned on the same horizontal plane;

the extension shaft of the potentiometer (4) is connected with a tension swing rod (401) through a coupler, and a third idler wheel (402) is arranged at the swing end of the tension swing rod (401); the potentiometer (4) is also connected with a servo driver, the output end of the potentiometer (4) is connected with the input end of the servo driver, and the output end of the servo driver is connected with the control end of the first driving component (8);

the wire rods on the wire coil (1) sequentially pass through a pigtail ring (202), a first guide wheel (203), a second guide wheel (204), a third guide wheel (205), a hollow shaft (2), a first passing wheel (3), a second passing wheel (5) and a third passing wheel (402), and then are discharged through the second passing wheel (5);

the first driving component (8) comprises a first servo motor (801), a first synchronous belt pulley, a second synchronous belt pulley and a conveyor belt (802), wherein the first synchronous belt pulley is sleeved on the hollow shaft (2), the second synchronous belt pulley is sleeved on an output shaft of the first servo motor (801), and the conveyor belt (802) is sleeved on the first synchronous belt pulley and the second synchronous belt pulley;

the first guide wheel (203), the second guide wheel (204) and the third guide wheel (205) are respectively provided with an anti-off-line stop lever.

2. An active pay-off according to claim 1, characterized in that the output of the potentiometer (4) is connected to the input of the servo drive, the output of which is connected to the control of the first servo motor (801).

3. An active paying-off device according to claim 1, characterized in that a base (101) is arranged at the right end of the wire coil (1), a first pin (103) hole is formed in the base (101), a second pin (103) hole is correspondingly formed in the right side plate of the frame (11), and pins (103) are assembled in the first pin (103) hole and the second pin (103) hole.

4. An active paying-off device according to claim 3, characterized in that the base (101) is provided with a sliding block (102), the right side plate of the frame (11) is provided with a vertical guide rail (1101), the wire coil (1) is connected with a second driving component (9), and the second driving component (9) drives the wire coil (1) to move up and down along the vertical guide rail (1101).

5. An active pay-off device according to claim 4, characterized in that the second driving part (9) comprises a second servo motor (901) and a ball screw (902), the output shaft of the second servo motor (901) is connected with one end of the ball screw (902), and the nut base (101) of the ball screw (902) is connected with the wire coil (1).

6. The active paying-off device according to claim 1, wherein an air cylinder (7) is arranged at the bottom of the stand (11), the left end of the air cylinder (7) is fixed on the side wall of the stand (11), a tray (6) is arranged at the right end of the air cylinder (7), a roller (601) is arranged at the bottom of the tray (6), a horizontal guide rail (602) is arranged on the bottom plate of the stand (11), and the roller (601) moves left and right along the horizontal guide rail (602).

7. An active payout device according to claim 6, characterized in that the tray (6) is provided with grooves (603).

8. An active payout device according to claim 1, characterized in that the hollow shaft (2) is welded to the U-shaped support (201).