CN220171923U - Double-coil winding machine - Google Patents

Abstract

The utility model discloses a double-coil winding machine which comprises a pay-off rack, a main frame, a wire feeding mechanism, a first winding mechanism and a wiring mechanism, wherein the pay-off rack is arranged on one side of the main frame, the wiring mechanism is arranged on the other side of the main frame, the wire feeding mechanism and the first winding mechanism are arranged on the main frame through an adjusting main board, a second winding mechanism and a blanking mechanism are further arranged on the main frame, a shearing mechanism is arranged between the first winding mechanism and the second winding mechanism, and the blanking mechanism is matched with the second winding mechanism. According to the double-coil winding machine, the pay-off rack and the wire feeding mechanism are used for conveying wires, the first winding mechanism is used for winding wires to form a first coil, the wire connecting mechanism is used for pulling the first coil, the shearing mechanism is used for shearing the wires, the second winding mechanism is used for reversely winding the wires to form a second coil, the blanking mechanism is used for blanking the double coils, and finally automatic winding of the double coils is achieved, so that manual operation is reduced, winding efficiency of the double coils is improved, and winding quality of the double coils can be ensured.

Description

Double-coil winding machine

Technical Field

The utility model relates to the technical field of winding, in particular to a double-coil winding machine.

Background

A coil is one of the most common electronic components in electronic products, and generally refers to a winding of wire in a ring shape, and the most common coil uses: motors, inductors, transformers, loop antennas, etc.

At present, coils are mostly wound and produced through a winding machine, and compared with manual production, the production efficiency is greatly improved, however, the existing coil winding machine only can wind a single coil in the production process, and when double coils are required to be wound, workers are generally required to produce the coils, so that the production efficiency is greatly reduced, the production cost is higher, and the product quality qualification rate is lower, so that improvement is needed.

Disclosure of Invention

The utility model aims to provide a double-coil winding machine which improves production efficiency and ensures product quality.

In order to solve the technical problems, the utility model can be realized by adopting the following technical scheme:

the double-coil winding machine comprises a pay-off rack, a main frame, a wire feeding mechanism, a first winding mechanism and a wiring mechanism, wherein the pay-off rack is arranged on one side of the main frame, the wiring mechanism is arranged on the other side of the main frame, the wire feeding mechanism and the first winding mechanism are arranged on the main frame through an adjusting main board, and the adjusting main board can drive the wire feeding mechanism and the first winding mechanism to move along the main frame; the coil winding machine is characterized in that a second winding mechanism and a blanking mechanism are further arranged on the main frame, the second winding mechanism is arranged side by side with the first winding mechanism and located between the first winding mechanism and the wiring mechanism, a shearing mechanism is arranged between the first winding mechanism and the second winding mechanism, and the blanking mechanism is matched with the second winding mechanism to grab and blanking a coil wound at the second winding mechanism.

In one embodiment, the pay-off rack comprises a pay-off motor, a material tray, a mounting bracket and a pay-off guide roller, wherein the material tray is arranged on the mounting bracket, a first gear is arranged at the end part of a rotating shaft of the material tray, the output end of the pay-off motor is meshed with the first gear at the end part of the rotating shaft of the material tray and drives the material tray to rotate, the pay-off guide roller is provided with a torque sensor, and the torque sensor is matched with the pay-off motor; the installing support is equipped with two sets of, all includes guide post, lift mounting panel, lift cylinder and limiting plate, and lift mounting panel and limiting plate all set up on the guide post, and the limiting plate is located the top of lift mounting panel, and lift cylinder is connected with the lift mounting panel to order about the lift mounting panel and go up and down along the guide post, have two bearings that set up side by side on the lift mounting panel, be equipped with the dog that corresponds with the bearing on the limiting plate, and the dog is equipped with and the arc recess of charging tray pivot cooperation, the pivot at charging tray both ends sets up respectively between the bearing and the arc recess of two sets of installing support.

In one embodiment, the wire feeding mechanism comprises an adjusting auxiliary plate, an aligning unit, a pressing unit and a wire feeding unit, wherein the adjusting auxiliary plate is arranged on the adjusting main plate and can move along the adjusting main plate, the aligning unit, the pressing unit and the wire feeding unit are respectively arranged on the adjusting auxiliary plate, and the pressing unit is positioned between the aligning unit and the wire feeding unit; the pressing unit comprises a pressing seat, a pressing cylinder and a pressing plate, wherein the pressing seat is provided with a pressing groove, the pressing plate is provided with a pressing head matched with the pressing groove, the pressing plate is positioned above the pressing seat and connected with the pressing cylinder, and the pressing cylinder drives the pressing head of the pressing plate to be far away from or close to the pressing groove of the pressing seat; the wire feeding unit comprises a wire feeding motor, a pressing and feeding seat, a pressing and feeding cylinder and a pressing and feeding block, wherein the wire feeding motor is connected with the pressing and feeding seat and drives the pressing and feeding seat to be far away from or close to the pressing and fixing unit, a wire feeding groove is formed in the pressing and feeding seat, the pressing and feeding block is provided with a wire feeding head matched with the wire feeding groove, the pressing and feeding block is located above the pressing and feeding seat and connected with the pressing and feeding cylinder, and the pressing and feeding cylinder drives the wire feeding head of the pressing and feeding block to be far away from or close to the wire feeding groove of the pressing and feeding seat.

In one embodiment, the first winding mechanism comprises a first winding seat, a first winding lifting motor, a first winding rotating motor, a first winding upper die and a first winding lower die; the first winding seat and the first winding lower die are respectively arranged on the adjusting main board, the first winding lifting motor is arranged on the first winding seat, the first winding rotary motor is connected with the first winding lifting motor, the first winding lifting motor drives the first winding rotary motor to lift, the first winding upper die is connected with the first winding rotary motor, and the first winding upper die is positioned above the first winding lower die; the first winding lower die is provided with a first winding slot matched with the first winding upper die, the top surface of the first winding lower die is a first spiral rising surface, and the first winding upper die is provided with a first winding column for winding.

In one embodiment, the wiring mechanism comprises a wiring rack, a wiring board and a wiring unit, one end of the wiring rack is arranged at the first winding mechanism, a wiring mobile motor is arranged on the wiring board, a second gear is arranged at the output end of the wiring mobile motor and meshed with the wiring rack, the wiring mobile motor drives the second gear to rotate, and therefore the wiring board is moved, and the wiring unit is arranged on the wiring board; the wiring unit comprises a wiring rotating motor and a wiring pressing plate, the wiring pressing plate is connected with the wiring rotating motor, and the wiring rotating motor drives the wiring pressing plate to rotate.

In one embodiment, the shearing mechanism comprises a moving plate, a driving air cylinder, a shearing air cylinder, a swinging arm and a cutter, wherein the moving plate is connected with the driving air cylinder, the driving air cylinder drives the moving plate to move back and forth, a shearing channel is arranged on the moving plate, the middle part of the swinging arm is connected with the moving plate, the two ends of the swinging arm are respectively connected with the shearing air cylinder and the cutter, the cutter is positioned below the shearing channel, and the shearing air cylinder drives the swinging arm to swing, so that the cutter shears a wire in the shearing channel.

In one embodiment, the second winding mechanism includes a second winding seat, a second winding lifting motor, a second winding rotating motor, a second winding upper die, a second winding lower die and a positioning device, wherein the second winding seat and the positioning device are respectively arranged on the main frame, and the second winding lower die is arranged on the positioning device and is matched with the positioning device; the second winding lifting motor is arranged on the second winding seat, the second winding rotating motor is connected with the second winding lifting motor, the second winding lifting motor drives the second winding rotating motor to lift, the second winding upper die is connected with the second winding rotating motor, and the second winding upper die is positioned above the second winding lower die; the second winding lower die is provided with a second winding slot matched with the second winding upper die, the top surface of the second winding lower die is a second spiral rising surface, and the second winding upper die is provided with a second winding column for winding.

In one embodiment, the positioning device comprises a positioning frame, a positioning driving motor, a movable seat, a limiting unit, a clamping unit and a positioning unit, wherein the positioning frame is arranged on the main frame, the positioning driving motor and the movable seat are respectively arranged on the positioning frame, the positioning driving motor is connected with the movable seat and drives the movable seat to move along the positioning frame, the limiting unit and the clamping unit are arranged on the movable seat, and the positioning unit is arranged at the lower part of the positioning frame and is matched with a second winding lower die arranged on the positioning frame; the limiting unit comprises a limiting cylinder and a limiting block, the limiting cylinder is arranged on the movable seat, the limiting block is connected with the limiting cylinder, and the limiting cylinder drives the limiting block to move up and down; the clamping units are provided with two groups and are respectively positioned at two sides of the limiting unit, each clamping unit comprises a clamping cylinder, a fixed clamping block and a movable clamping block, the clamping cylinders and the fixed clamping blocks are respectively arranged on the movable seat, the top ends of the movable clamping blocks are hinged with the fixed clamping blocks, the middle parts of the movable clamping blocks are connected with the clamping cylinders, and the clamping cylinders drive the movable clamping blocks to swing; the positioning unit comprises a pushing cylinder, a swinging rod, a push-pull rod, a positioning lifting cylinder and a positioning head, wherein the middle part of the swinging rod is rotationally connected with the top of the positioning frame, the two ends of the swinging rod are respectively connected with the pushing cylinder and the push-pull rod, the other end of the push-pull rod is connected with the positioning lifting cylinder, the positioning head is connected with the positioning lifting cylinder, the pushing cylinder drives the positioning head to move forwards and backwards, and the positioning lifting cylinder drives the positioning head to lift up and down to be matched with the second winding lower die for positioning.

In one embodiment, the blanking mechanism comprises a stand seat, a blanking motor, a blanking seat, a blanking rotating motor and a blanking clamping cylinder, wherein the stand seat is arranged on the main frame, the blanking motor and the blanking seat are respectively arranged on the stand seat, the blanking motor is connected with the blanking seat and drives the blanking seat to move along the stand seat, the blanking rotating motor is arranged on the blanking seat, the blanking clamping cylinder is connected with the blanking rotating motor, the blanking rotating motor drives the blanking clamping cylinder to rotate, and the blanking clamping cylinder is provided with a clamping piece.

In one embodiment, the first winding mechanism is further provided with a pushing arc mechanism, the pushing arc mechanism comprises a pushing motor, a pushing screw rod and a pushing block, the pushing motor is arranged on the first winding seat, one end of the pushing screw rod is connected with the pushing motor through a transmission belt, the pushing motor drives the pushing screw rod to rotate, the pushing block is connected with the pushing screw rod, and the pushing block is driven to move when the pushing screw rod rotates, and a pushing roller is arranged on the pushing block.

Advantageous effects

According to the double-coil winding machine, a wire coil is installed by the pay-off rack, the wire coil is conveyed by the wire feeding mechanism, the wire is conveyed to the first winding mechanism, the wire is wound by the first winding mechanism to form a first coil, after the first coil is wound, the wire feeding mechanism pushes the first coil to the wire connecting mechanism, at the moment, the wire connecting mechanism sequentially pulls the first coil through the shearing mechanism and the second winding mechanism, after the wire coil is pulled to a set position, the wire is sheared by the shearing mechanism, the sheared part of the wire is reversely wound by the second winding mechanism to form a second coil, after the second coil is wound, the double coil is conveyed by the blanking mechanism, the wound double coil is placed on the conveyor belt to perform next work, and finally automatic winding of the double coil is achieved, so that manual operation is reduced, winding efficiency of the double coil is improved, and winding quality of the double coil can be ensured.

Drawings

FIG. 1 is a schematic diagram of a dual coil winder of the present utility model;

FIG. 2 is a side view of the dual coil winder of the present utility model;

FIG. 3 is a top view of the dual coil winder of the present utility model;

FIG. 4 is a schematic diagram of a pay-off rack of a dual-coil winder of the present utility model;

FIG. 5 is a second schematic diagram of the pay-off rack of the dual-coil winder of the present utility model;

FIG. 6 is a schematic view of a mounting bracket of the dual coil winder of the present utility model;

fig. 7 is an assembly view of a wire feeding mechanism and a first winding mechanism of the dual-coil winding machine of the present utility model;

fig. 8 is a schematic diagram of a wire feeding mechanism of the dual-coil winding machine according to the present utility model;

fig. 9 is a schematic diagram of a wire feeding mechanism of the dual-coil winding machine according to the second embodiment of the present utility model;

fig. 10 is a schematic diagram of a pressing unit of the dual coil winding machine according to the present utility model;

fig. 11 is a schematic diagram of a wire feeding unit of the dual coil winding machine according to the present utility model;

FIG. 12 is a first schematic diagram of a first winding mechanism of the dual-coil winding machine according to the present utility model;

FIG. 13 is a second schematic structural view of a first winding mechanism of the dual-coil winding machine according to the present utility model;

fig. 14 is a schematic view of a first winding lower die of the dual-coil winding machine according to the present utility model;

FIG. 15 is a schematic view of a pushing arc mechanism of the dual coil winder of the present utility model;

FIG. 16 is a schematic diagram of a pushing block of the dual-coil winder of the present utility model;

FIG. 17 is an assembly view of a wire connection mechanism and a first wire winding mechanism of the dual-coil winding machine of the present utility model;

FIG. 18 is a schematic diagram of a wiring mechanism of a dual-coil winder of the present utility model;

FIG. 19 is a second schematic view of the wiring mechanism of the dual-coil winder of the present utility model;

FIG. 20 is an assembly view of a cutting mechanism and a first winding mechanism of the dual-coil winding machine of the present utility model;

FIG. 21 is a schematic view of a cutting mechanism of a dual-coil winder of the present utility model;

FIG. 22 is a first schematic diagram of a second winding mechanism of the dual-coil winding machine according to the present utility model;

FIG. 23 is a second schematic structural view of a second winding mechanism of the dual-coil winding machine according to the present utility model;

FIG. 24 is a schematic diagram of a positioning device of a dual-coil winder of the present utility model;

FIG. 25 is a second schematic diagram of a positioning device of the dual-coil winder of the present utility model;

fig. 26 is a schematic view of a clamping unit of the dual-coil winding machine according to the present utility model;

FIG. 27 is a schematic view of a positioning unit of the dual coil winder of the present utility model;

Fig. 28 is a schematic diagram of a blanking mechanism of the dual-coil winding machine according to the present utility model;

fig. 29 is a schematic diagram of a blanking mechanism of the dual-coil winding machine according to the second embodiment of the present utility model;

fig. 30 is a schematic diagram of a coil made by the dual coil winder of the present utility model.

As shown in the accompanying drawings:

100. a pay-off rack; 110. paying-off motor; 120. a material tray; 121. a first gear; 130. a mounting bracket; 131. a guide post; 132. lifting the mounting plate; 133. a lifting cylinder; 134. a limiting plate; 135. a bearing; 136. a stop block; 137. an arc-shaped groove; 140. paying-off guide rollers; 150. a torque sensor;

200. a main frame; 210. adjusting a main board;

300. a wire feeding mechanism; 310. adjusting the auxiliary plate; 320. an alignment unit; 330. a press fixing unit; 331. pressing and fixing the seat; 332. a pressing cylinder; 333. pressing and fixing the plate; 334. pressing and fixing the groove; 335. pressing and fixing the head; 340. a wire feeding unit; 341. a wire feeding motor; 342. a pressing and conveying seat; 343. a pressure-feed cylinder; 344. a pressing block; 345. wire feeding groove; 346. a wire feeding head;

400. a first winding mechanism; 410. a first winding seat; 420. a first winding lifting motor; 430. a first wound-rotor electric machine; 440. a first winding upper die; 441. a first winding post; 450. a first winding lower die; 451. a first winding slot;

500. A wiring mechanism; 510. a wiring rack; 520. a wiring board; 530. a wiring unit; 531. a wiring rotating electric machine; 532. a wiring pressing plate; 540. a wiring mobile motor; 550. a second gear;

600. a second winding mechanism; 610. a second winding seat; 620. a second winding lifting motor; 630. a second wound-rotor electric machine; 640. a second winding upper die; 641. a second winding post; 650. a second winding lower die; 651. a second winding slot; 660. a positioning device; 661. a positioning frame; 662. positioning a driving motor; 663. a movable seat; 664. a limit unit; 664a, limit cylinder; 664b, a limiting block; 665. a clamping unit; 665a, clamping cylinder; 665b, fixing the clamping blocks; 665c, movable clamping blocks; 666. a positioning unit; 666a, pushing cylinder; 666b, swing rod; 666c, push-pull rod; 666d, positioning lifting cylinders; 666e, positioning heads;

700. a blanking mechanism; 710. a stand column base; 720. a blanking motor; 730. a blanking seat; 740. a blanking rotating motor; 750. a blanking clamping cylinder; 760. a clamping member;

800. a shearing mechanism; 810. a moving plate; 820. a driving cylinder; 830. a shear cylinder; 840. swing arms; 850. a cutter; 860. shearing the channel;

900. A pushing arc mechanism; 910. a pushing motor; 920. pushing the screw rod; 930. a pushing block; 931. pushing the roller; 940. a drive belt.

Description of the embodiments

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. The present utility model may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the utility model, whereby the utility model is not limited to the specific embodiments disclosed below.

It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. In contrast, when an element is referred to as being "directly on" another element, there are no intervening elements present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 3 and 30, a dual-coil winding machine includes a pay-off rack 100, a main frame 200, a wire feeding mechanism 300, a first winding mechanism 400 and a wire connection mechanism 500, wherein the pay-off rack 100 is disposed on one side of the main frame 200, the wire connection mechanism 500 is disposed on the other side of the main frame 200, the wire feeding mechanism 300 and the first winding mechanism 400 are disposed on the main frame 200 through an adjusting main board 210, and the adjusting main board 210 can drive the wire feeding mechanism 300 and the first winding mechanism 400 to move along the main frame 200; the main frame 200 is also provided with a second winding mechanism 600 and a blanking mechanism 700, the second winding mechanism 600 is arranged side by side with the first winding mechanism 400 and is positioned between the first winding mechanism 400 and the wiring mechanism 500, a shearing mechanism 800 is arranged between the first winding mechanism 400 and the second winding mechanism 600, the blanking mechanism 700 is matched with the second winding mechanism 600, and the coil wound at the second winding mechanism 600 is grabbed and blanked.

Specifically, the winding machine in this embodiment winds the flat wire, and is not limited to the flat wire, and when the winding work is performed, a worker installs the coil on the pay-off rack 100, and makes the start end of the coil wire go through the wire feeding mechanism 300 to the first winding mechanism 400, the wire is conveyed by matching the pay-off rack 100 and the wire feeding mechanism 300, and the first winding mechanism 400 winds the wire to form a first coil, when the first winding mechanism 400 finishes winding the first coil, the pay-off rack 100 and the wire feeding mechanism 300 match to push the first coil onto the wire connecting mechanism 500, the wire connecting mechanism 500 sequentially pulls the first coil through the shearing mechanism 800 and the second winding mechanism 600 to a set position, the pulling distance is matched with the number of wound coils, when the wire connecting mechanism 500 pulls the first coil in place, the shearing mechanism 800 shears the wire, and the second winding mechanism 600 starts reversely pulling and winding the cut wire to form a second coil, and when the second coil is wound, after the first winding mechanism 400 finishes winding the first coil, the second coil is conveyed by double-winding mechanism 700, and the double-winding machine is carried by double-winding mechanism, and the double-winding quality is improved, and the double-winding is achieved, and the winding work is performed.

In order to enable the winding machine to wind flat wires with different widths, the main frame 200 is further provided with an adjusting main board 210, the wire feeding mechanism 300 and the first winding mechanism 400 are arranged on the adjusting main board 210, and the positions of the wire feeding mechanism 300 and the first winding mechanism 400 can be adjusted through the adjusting main board 210, so that the positions of the wire feeding mechanism 300 and the first winding mechanism 400 can adapt to the flat wires with different widths and keep matching with the pay-off rack 100, and the flat wires with different widths are kept to be linearly conveyed in the conveying process, so that the quality of double coils during winding is ensured, and the practical performance of the winding machine can be improved.

In addition, referring to fig. 13, 15, 16 and 30, since the double coil is formed into an arc shape at the start end of the first coil according to the need during winding, in this embodiment, the first winding mechanism 400 is further provided with an arc pushing mechanism 900, and the arc pushing mechanism 900 includes a pushing motor 910, a pushing screw 920 and a pushing block 930, the pushing motor 910 is disposed on the first winding seat 410, one end of the pushing screw 920 is connected to the pushing motor 910 through a transmission belt 940, the pushing motor 910 drives the pushing screw 920 to rotate, the pushing block 930 is connected to the pushing screw 920, the pushing block 930 is driven to move when the pushing screw 920 rotates, and the pushing roller 931 is disposed on the pushing block 930.

When the initial end of the wire starts to be wound, the pushing motor 910 is started, the pushing screw rod 920 is driven to rotate through the transmission belt 940, and when the pushing screw rod 920 rotates, the pushing block 930 is driven to move, so that the pushing roller 931 on the pushing block 930 acts on the wire, and then the arc-shaped manufacturing of the initial end of the wire is realized by combining with the rotary winding of the first winding mechanism 400, after the arc-shaped manufacturing is finished, the pushing motor 910 drives the pushing roller 931 on the pushing block 930 to reset, at the moment, the first winding mechanism 400 can normally start to be wound, double-coil winding with different requirements is realized, and the practicability of the winding machine is improved.

Referring to fig. 4 to 6, in order to replace a coil and convey a coil material, the pay-off rack 100 in this embodiment includes a pay-off motor 110, a tray 120, a mounting bracket 130 and a pay-off guide roller 140, wherein the tray 120 is disposed on the mounting bracket 130, a first gear 121 is disposed at a rotating shaft end of the tray 120, an output end of the pay-off motor 110 is meshed with the first gear 121 at the rotating shaft end of the tray 120 and drives the tray 120 to rotate, the pay-off guide roller 140 is provided with a torque sensor 150, and the torque sensor 150 is matched with the pay-off motor 110; the installing support 130 is equipped with two sets of, all include guide post 131, lift mounting panel 132, lift cylinder 133 and limiting plate 134, lift mounting panel 132 and limiting plate 134 all set up on guide post 131, and limiting plate 134 is located the top of lift mounting panel 132, lift cylinder 133 is connected with lift mounting panel 132, and order about lift mounting panel 132 to go up and down along guide post 131, have two bearings 135 that set up side by side on the lift mounting panel 132, be equipped with the dog 136 that corresponds with bearing 135 on the limiting plate 134, and dog 136 is equipped with and cooperates arc recess 137 with the pivot of charging tray 120, the pivot at charging tray 120 both ends sets up respectively between bearing 135 and arc recess 137 of two sets of installing support 130.

When the coil needs to be replaced, the lifting cylinder 133 of the mounting bracket 130 drives the lifting mounting plate 132 to move downwards along the guide post 131, so that the bearing 135 on the lifting mounting plate 132 and the arc-shaped groove 137 of the stop block 136 on the limiting plate 134 are opened, after the bearing 135 is opened, the charging tray 120 can be disassembled, a new coil is mounted on the charging tray 120, at the moment, two ends of the charging tray 120 are respectively placed between the bearing 135 and the stop block 136 of the two groups of mounting brackets 130, the lifting cylinder 133 drives the lifting mounting plate 132 to move upwards along the guide post 131, the bearing 135 on the lifting mounting plate 132 and the arc-shaped groove 137 of the stop block 136 on the limiting plate 134 are closed, the charging tray 120 is limited and fixed, the first gear 121 at the end part just meshes with the output end of the paying-off motor 110 after the charging tray 120 is mounted, and the paying-off motor 110 is started to drive the charging tray 120 to rotate, so that the wire is conveyed.

The wire rod can pass through the paying-off guide roller 140 in the conveying process, the tension force during wire rod conveying can be monitored through the torque sensor 150 of the paying-off guide roller 140 and then matched with the paying-off motor 110, so that smooth translation of the wire rod during conveying is ensured, and the winding quality of a coil is ensured.

Referring to fig. 7 to 11, in the present embodiment, when the wire is conveyed, the wire feeding mechanism 300 is combined with the pay-off rack 100 to feed the wire, and the wire feeding mechanism 300 includes an adjusting sub-plate 310, an aligning unit 320, a pressing unit 330 and a wire feeding unit 340, wherein the adjusting sub-plate 310 is disposed on the adjusting main plate 210 and can move along the adjusting main plate 210, the aligning unit 320, the pressing unit 330 and the wire feeding unit 340 are respectively disposed on the adjusting sub-plate 310, and the pressing unit 330 is disposed between the aligning unit 320 and the wire feeding unit 340; the pressing unit 330 comprises a pressing seat 331, a pressing cylinder 332 and a pressing plate 333, the pressing seat 331 is provided with a pressing groove 334, the pressing plate 333 is provided with a pressing head 335 matched with the pressing groove 334, the pressing plate 333 is positioned above the pressing seat 331 and connected with the pressing cylinder 332, and the pressing cylinder 332 drives the pressing head 335 of the pressing plate 333 to be far away from or close to the pressing groove 334 of the pressing seat 331; the wire feeding unit 340 includes a wire feeding motor 341, a wire pressing and feeding seat 342, a wire pressing and feeding cylinder 343 and a wire pressing and feeding block 344, the wire feeding motor 341 is connected with the wire pressing and feeding seat 342 and drives the wire pressing and feeding seat 342 to be far away from or close to the press-fixing unit 330, a wire feeding groove 345 is arranged on the wire pressing and feeding seat 342, the wire pressing and feeding block 344 is provided with a wire feeding head 346 matched with the wire feeding groove 345, the wire pressing and feeding block 344 is located above the wire pressing and feeding seat 342 and connected with the wire pressing and feeding cylinder 343, and the wire pressing and feeding cylinder 343 drives the wire feeding head 346 of the wire pressing and feeding block 344 to be far away from or close to the wire feeding groove 345 of the wire pressing and feeding seat 342.

When the wire is conveyed, the wire sequentially passes through the alignment unit 320, the pressing unit 330 and the wire feeding unit 340 to the first winding mechanism 400, and the alignment unit 320 ensures that the conveyed wire is conveyed in a straight line, so as to improve the winding quality.

When the wire is conveyed, the pressing and conveying cylinder 343 of the wire feeding unit 340 drives the pressing and conveying block 344 to move downwards, the wire feeding head 346 of the pressing and conveying block 344 presses the wire in the wire feeding groove 345 on the pressing and conveying seat 342, and the wire feeding motor 341 drives the pressing and conveying seat 342 to move towards a direction away from the pressing and fixing unit 330 and cooperate with the wire releasing motor 110 to convey the wire.

After the wire feeding motor 341 drives the pressing and feeding seat 342 to move forward to a set position with the wire, the pressing and feeding cylinder 343 drives the pressing and feeding block 344 to reset upwards, so that the wire feeding head 346 loosens the wire in the wire feeding groove 345, meanwhile, the pressing and fixing cylinder 332 of the pressing and fixing unit 330 drives the pressing and fixing plate 333 to move downwards, so that the pressing and fixing head 335 of the pressing and fixing plate 333 presses the wire in the pressing and fixing groove 334 on the pressing and fixing seat 331, after the wire is pressed, the wire feeding motor 341 drives the pressing and feeding seat 342 to move towards the direction of the pressing and fixing unit 330, and after the wire is moved in place, the wire feeding head 346 presses the wire in the wire feeding groove 345, the pressing and fixing head 335 loosens the wire in the pressing and fixing groove 334, and finally, the wire feeding motor 341 drives the pressing and fixing seat 342 to move towards a direction away from the pressing and fixing unit 330 again, and finally, the wire is automatically conveyed through the alternate work of the pressing and fixing unit 330 and the reciprocating movement of the wire feeding unit 340 and the cooperation of the wire feeding motor 110, so that the winding efficiency of the coil is improved, and the winding quality of the coil is ensured by the aligning unit 320.

In addition, the alignment unit 320, the press fixing unit 330 and the wire feeding unit 340 are respectively arranged on the adjusting auxiliary plate 310, and the positions of the alignment unit 320, the press fixing unit 330 and the wire feeding unit 340 can be adjusted through the adjusting auxiliary plate 310, so that flat wires with different sizes can be conveyed, the linear conveying of the wires is ensured, and the coil winding quality is improved.

Referring to fig. 12 to 14, after the wire is conveyed to the first winding mechanism 400, the first winding mechanism 400 winds the wire, and the first winding mechanism 400 in this embodiment includes a first winding base 410, a first winding lifting motor 420, a first winding rotating motor 430, a first winding upper die 440 and a first winding lower die 450; the first winding seat 410 and the first winding lower die 450 are respectively disposed on the adjusting main board 210, the first winding lifting motor 420 is disposed on the first winding seat 410, the first winding rotary motor 430 is connected with the first winding lifting motor 420, the first winding lifting motor 420 drives the first winding rotary motor 430 to lift, the first winding upper die 440 is connected with the first winding rotary motor 430, and the first winding upper die 440 is located above the first winding lower die 450; the first winding lower die 450 is provided with a first winding slot 451 which is engaged with the first winding upper die 440, and the top surface of the first winding lower die 450 is a first spiral rising surface, and the first winding upper die 440 is provided with a first winding post 441 for winding.

Specifically, when the wire is wound, the start end of the wire is conveyed to the top surface of the first winding lower die 450, and at this time, the first winding lifting motor 420 drives the first winding rotary motor 430 to move downward, and when the first winding rotary motor 430 moves downward, the first winding upper die 440 is driven to move downward, and the first winding upper die 440 is inserted into the first winding slot 451 of the first winding lower die 450, and the wire is placed between the first winding upper die 440 and the first winding post 441.

Then, the first winding rotary motor 430 is started to drive the first winding upper die 440 to rotate, the first winding post 441 acts on the wire to wind the wire, and when the wire is wound, the first spiral ascending surface of the first winding lower die 450 is used for sequentially ascending and winding the coil, and the first winding lifting motor 420 drives the first winding upper die 440 to ascend in a matched manner when the coil is sequentially ascending and wound, so that the automatic winding of the coil is finally realized, and the first coil is formed.

Referring to fig. 17 to 19, after the winding of the first coil is completed, the first coil is pushed onto the wire connection mechanism 500 by the wire pay-off rack 100 and the wire feeding mechanism 300, the wire connection mechanism 500 pulls the first coil, and the wire connection mechanism 500 in this embodiment includes a wire connection rack 510, a wire connection plate 520 and a wire connection unit 530, one end of the wire connection rack 510 is disposed at the first wire winding mechanism 400, the wire connection plate 520 is provided with a wire connection moving motor 540, an output end of the wire connection moving motor 540 is provided with a second gear 550, the second gear 550 is meshed with the wire connection rack 510, the wire connection moving motor 540 drives the second gear 550 to rotate, thereby moving the wire connection plate 520, and the wire connection unit 530 is disposed on the wire connection plate 520; the wiring unit 530 includes a wiring rotary motor 531 and a wiring pressing plate 532, the wiring pressing plate 532 is connected to the wiring rotary motor 531, and the wiring pressing plate 532 is driven to rotate by the wiring rotary motor 531.

When the first coil is wound, the wire moving motor 540 drives the second gear 550 to rotate, the second gear 550 moves along the wire rack 510, so that the wire board 520 moves to the first winding mechanism 400, the wire paying-off frame 100 and the wire feeding mechanism 300 push the first coil onto the wire board 520, the wire rotating motor 531 of the rear wire connecting unit 530 is started to drive the wire pressing plate 532 to rotate, the first coil on the wire board 520 is pressed, and after the pressing, the wire moving motor 540 drives the second gear 550 to rotate reversely, so that the wire board 520 moves along the first coil in a direction far away from the first winding mechanism 400 until the wire board 520 moves to a set position (the pulling distance is matched with the winding number), and wire length reservation of the second coil is realized.

And when the first coil is pulled, the wire reserved at the rear part can sequentially pass through the shearing mechanism 800 and the second winding mechanism 600, and meanwhile, when the wiring board 520 moves, the shearing mechanism 800 and the second winding mechanism 600 can not block the wiring board 520.

Referring to fig. 20 and 21, after the first coil is pulled to a set distance, the cutting mechanism 800 cuts the wire reserved at the back, so the cutting mechanism 800 in this embodiment includes a moving plate 810, a driving cylinder 820, a cutting cylinder 830, a swing arm 840 and a cutter 850, the moving plate 810 is connected to the driving cylinder 820, the driving cylinder 820 drives the moving plate 810 to move back and forth, a cutting channel 860 is provided on the moving plate 810, the middle of the swing arm 840 is connected to the moving plate 810, two ends of the swing arm 840 are respectively connected to the cutting cylinder 830 and the cutter 850, and the cutter 850 is located below the cutting channel 860, the cutting cylinder 830 drives the swing arm 840 to swing, thereby the cutter 850 cuts the wire in the cutting channel 860.

When the first coil is pulled, the shearing mechanism 800 is at the rear, when the wire is required to be sheared, the driving cylinder 820 drives the moving plate 810 to move forwards and the wire is placed in the shearing channel 860, at this time, the shearing cylinder 830 is started and drives the swing arm 840 to swing, and when the swing arm 840 swings, the cutter 850 is driven to move upwards in the shearing channel 860, and when the cutter 860 moves upwards, the wire in the shearing channel 860 is sheared, so that automatic shearing of the wire is realized, and after the wire is sheared, the driving cylinder 820 drives the moving plate 810 to reset backwards again, so that the subsequent operation is facilitated.

Referring to fig. 22 and 23, when the wire reserved at the rear is cut, the wire is reversely pulled and wound by the second winding mechanism 600, so that the second winding mechanism 600 includes a second winding seat 610, a second winding lifting motor 620, a second winding rotary motor 630, a second winding upper die 640, a second winding lower die 650 and a positioning device 660, the second winding seat 610 and the positioning device 660 are respectively disposed on the main frame 200, and the second winding lower die 650 is disposed on the positioning device 660 and cooperates with the positioning device 660; the second winding lifting motor 620 is disposed on the second winding seat 610, the second winding rotating motor 630 is connected with the second winding lifting motor 620, the second winding lifting motor 620 drives the second winding rotating motor 630 to lift, the second winding upper die 640 is connected with the second winding rotating motor 630, and the second winding upper die 640 is located above the second winding lower die 650; the second winding lower die 650 is provided with a second winding slot 651 that mates with the second winding upper die 640, the top surface of the second winding lower die 650 is a second spiral rising surface, and the second winding upper die 640 is provided with a second winding post 641 for winding.

After the wire is sheared, the positioning device 660 performs positioning treatment on the position of the wire, so that the wire is matched with the second winding lower die 650, when the wire is positioned, the second winding lifting motor 620 drives the second winding rotary motor 630 to move downwards, the second winding rotary motor 630 drives the second winding upper die 640 to move, the second winding upper die 640 is inserted into the second winding slot 651 of the second winding lower die 650, the wire is positioned between the second winding upper die 640 and the second winding post 641, the second winding rotary motor 630 is started, the second winding upper die 640 and the second winding post 641 are driven to rotate, the second coil is wound through the second winding post 641, and when the coil is wound, the coil is wound in a sequential lifting mode by the second spiral lifting surface of the second winding lower die 650, and at the same time, the second winding lifting motor 620 drives the second winding upper die 640 to lift in a matched mode, and finally, the coil is automatically wound, so that the second coil is formed.

Referring to fig. 24 to 27, in order to position the wire, the positioning device 660 in the present embodiment includes a positioning frame 661, a positioning driving motor 662, a moving seat 663, a limiting unit 664, a clamping unit 665 and a positioning unit 666, wherein the positioning frame 661 is disposed on the main frame 200, the positioning driving motor 662 and the moving seat 663 are respectively disposed on the positioning frame 661, the positioning driving motor 662 is connected with the moving seat 663 and drives the moving seat 663 to move along the positioning frame 661, the limiting unit 664 and the clamping unit 665 are disposed on the moving seat 663, and the positioning unit 666 is disposed on the lower portion of the positioning frame 661 and cooperates with the second winding lower die 650 disposed on the positioning frame 661; the limiting unit 664 comprises a limiting cylinder 664a and a limiting block 664b, the limiting cylinder 664a is arranged on the moving seat 663, the limiting block 664b is connected with the limiting cylinder 664a, and the limiting cylinder 664a drives the limiting block 664b to move up and down; the clamping units 665 are provided with two groups and are respectively positioned at two sides of the limiting unit 640, the clamping units 665 comprise clamping cylinders 665a, fixed clamping blocks 665b and movable clamping blocks 665c, the clamping cylinders 665a and the fixed clamping blocks 665b are respectively arranged on the movable seat 663, the top ends of the movable clamping blocks 665c are hinged with the fixed clamping blocks 665b, the middle parts of the movable clamping blocks 665c are connected with the clamping cylinders 665a, and the clamping cylinders 665a drive the movable clamping blocks 665c to swing; the positioning unit 666 comprises a pushing cylinder 666a, a swinging rod 666b, a push-pull rod 666c, a positioning lifting cylinder 666d and a positioning head 666e, wherein the middle part of the swinging rod 666b is rotatably connected with the top of the positioning frame 661, two ends of the swinging rod 666b are respectively connected with the pushing cylinder 666a and the push-pull rod 666c, the other end of the push-pull rod 666c is connected with the positioning lifting cylinder 666d, the positioning head 666e is connected with the positioning lifting cylinder 666d, the pushing cylinder 666a drives the positioning head 666e to move back and forth, and the positioning lifting cylinder 666d drives the positioning head 666e to move up and down to be matched with the second winding lower die 650 for positioning.

When the wire is sheared, the wire will be placed on the top surface of the positioning frame 661, the positioning driving motor 662 drives the moving seat 663 to move, the clamping cylinder 665a of the clamping unit 665 drives the movable clamping block 665c to open, after the fixed clamping block 665b of the clamping unit 665 contacts the wire, the clamping cylinder 665a drives the movable clamping block 665c to close, the movable clamping block 665c and the fixed clamping block 665b clamp the wire, the positioning driving motor 662 continues to drive the moving seat 663 to move, the inner side of the clamped wire is kept in fit with the second winding lower die 650, the pushing cylinder 666a of the rear positioning unit 666 drives the swinging rod 666b, the swinging rod 666b pulls the push-pull rod 666c when the swinging rod 666b is in fit with the outer side of the wire, and the positioning lifting cylinder 666d drives the positioning head 666e to lift, so that the height of the positioning head 666e is matched with the wire, and finally, positioning of the wire position is realized, so that the quality of the wire during winding is ensured.

After the wire is positioned, the limiting cylinder 664a of the limiting unit 664 drives the limiting block 664b to move downwards, the limiting block 664b can press down and limit the wire, so that the wire is prevented from arching in the moving process, the limiting block 664b does not completely compress the wire, and the movable clamping block 665c and the fixed clamping block 665b do not completely clamp the wire, but have a certain movable space for the wire to move.

Finally, referring to fig. 28 and 29, when the double coils of the second winding mechanism 600 are fully wound, the double coils of the second winding mechanism 600 need to be blanked, so the blanking mechanism 700 in this embodiment includes a post base 710, a blanking motor 720, a blanking base 730, a blanking rotary motor 740 and a blanking clamping cylinder 750, the post base 710 is disposed on the main frame 200, the blanking motor 720 and the blanking base 730 are respectively disposed on the post base 710, the blanking motor 720 is connected with the blanking base 730 and drives the blanking base 730 to move along the post base 710, the blanking rotary motor 740 is disposed on the blanking base 730, the blanking clamping cylinder 750 is connected with the blanking rotary motor 740, the blanking rotary motor 740 drives the blanking clamping cylinder 750 to rotate, and the blanking clamping cylinder 750 is provided with a clamping member 760.

After the second coil is wound, the blanking motor 720 drives the blanking seat 730 to move towards the second winding mechanism 600, the blanking seat 730 carries the blanking rotating motor 740 and the blanking clamping cylinder 750 to move, when the blanking seat 730 moves in place, the blanking clamping cylinder 750 drives the clamping piece 760 to clamp the double coils at the second winding mechanism 600, after the double coils are clamped, the blanking motor 720 drives the blanking rotating motor 740 and the blanking clamping cylinder 750 to reset, and the blanking rotating motor 740 drives the blanking clamping cylinder 750 to rotate by 90 degrees, and the double coils clamped by the clamping piece 760 are placed on a conveying belt to be conveyed for next operation, so that automatic blanking of the double coils is realized, manual operation is reduced, and the production efficiency of wire heads is improved.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. Those skilled in the art can practice the utility model smoothly as shown in the drawings and described above; however, those skilled in the art will appreciate that many modifications, adaptations, and variations of the present utility model are possible in light of the above teachings without departing from the scope of the utility model; meanwhile, any equivalent changes, modifications and evolution of the above embodiments according to the essential technology of the present utility model still fall within the scope of the present utility model.

Claims (10)

1. The utility model provides a double coil coiling machine which characterized in that: the wire feeding mechanism and the first winding mechanism are arranged on the main frame through an adjusting main board, and the adjusting main board can drive the wire feeding mechanism and the first winding mechanism to move along the main frame;

the coil winding machine is characterized in that a second winding mechanism and a blanking mechanism are further arranged on the main frame, the second winding mechanism is arranged side by side with the first winding mechanism and located between the first winding mechanism and the wiring mechanism, a shearing mechanism is arranged between the first winding mechanism and the second winding mechanism, and the blanking mechanism is matched with the second winding mechanism to grab and blanking a coil wound at the second winding mechanism.

2. The dual coil winding machine of claim 1 wherein: the pay-off rack comprises a pay-off motor, a material tray, a mounting bracket and a pay-off guide roller, wherein the material tray is arranged on the mounting bracket, a first gear is arranged at the end part of a rotating shaft of the material tray, the output end of the pay-off motor is meshed with the first gear at the end part of the rotating shaft of the material tray, the material tray is driven to rotate, the pay-off guide roller is provided with a torque sensor, and the torque sensor is matched with the pay-off motor;

the installing support is equipped with two sets of, all includes guide post, lift mounting panel, lift cylinder and limiting plate, and lift mounting panel and limiting plate all set up on the guide post, and the limiting plate is located the top of lift mounting panel, and lift cylinder is connected with the lift mounting panel to order about the lift mounting panel and go up and down along the guide post, have two bearings that set up side by side on the lift mounting panel, be equipped with the dog that corresponds with the bearing on the limiting plate, and the dog is equipped with and the arc recess of charging tray pivot cooperation, the pivot at charging tray both ends sets up respectively between the bearing and the arc recess of two sets of installing support.

3. The dual coil winding machine of claim 1 wherein: the wire feeding mechanism comprises an adjusting auxiliary plate, an aligning unit, a pressing unit and a wire feeding unit, wherein the adjusting auxiliary plate is arranged on the adjusting main plate and can move along the adjusting main plate;

The pressing unit comprises a pressing seat, a pressing cylinder and a pressing plate, wherein the pressing seat is provided with a pressing groove, the pressing plate is provided with a pressing head matched with the pressing groove, the pressing plate is positioned above the pressing seat and connected with the pressing cylinder, and the pressing cylinder drives the pressing head of the pressing plate to be far away from or close to the pressing groove of the pressing seat;

the wire feeding unit comprises a wire feeding motor, a pressing and feeding seat, a pressing and feeding cylinder and a pressing and feeding block, wherein the wire feeding motor is connected with the pressing and feeding seat and drives the pressing and feeding seat to be far away from or close to the pressing and fixing unit, a wire feeding groove is formed in the pressing and feeding seat, the pressing and feeding block is provided with a wire feeding head matched with the wire feeding groove, the pressing and feeding block is located above the pressing and feeding seat and connected with the pressing and feeding cylinder, and the pressing and feeding cylinder drives the wire feeding head of the pressing and feeding block to be far away from or close to the wire feeding groove of the pressing and feeding seat.

4. The dual coil winding machine of claim 1 wherein: the first winding mechanism comprises a first winding seat, a first winding lifting motor, a first winding rotating motor, a first winding upper die and a first winding lower die;

the first winding seat and the first winding lower die are respectively arranged on the adjusting main board, the first winding lifting motor is arranged on the first winding seat, the first winding rotary motor is connected with the first winding lifting motor, the first winding lifting motor drives the first winding rotary motor to lift, the first winding upper die is connected with the first winding rotary motor, and the first winding upper die is positioned above the first winding lower die;

The first winding lower die is provided with a first winding slot matched with the first winding upper die, the top surface of the first winding lower die is a first spiral rising surface, and the first winding upper die is provided with a first winding column for winding.

5. The dual coil winding machine of claim 1 wherein: the wiring mechanism comprises a wiring rack, a wiring board and a wiring unit, one end of the wiring rack is arranged at the first winding mechanism, a wiring mobile motor is arranged on the wiring board, a second gear is arranged at the output end of the wiring mobile motor, the second gear is meshed with the wiring rack, the wiring mobile motor drives the second gear to rotate, so that the wiring board moves, and the wiring unit is arranged on the wiring board;

the wiring unit comprises a wiring rotating motor and a wiring pressing plate, the wiring pressing plate is connected with the wiring rotating motor, and the wiring rotating motor drives the wiring pressing plate to rotate.

6. The dual coil winding machine of claim 1 wherein: the shearing mechanism comprises a moving plate, a driving air cylinder, a shearing air cylinder, a swinging arm and a cutter, wherein the moving plate is connected with the driving air cylinder, the driving air cylinder drives the moving plate to move back and forth, a shearing channel is arranged on the moving plate, the middle part of the swinging arm is connected with the moving plate, the two ends of the swinging arm are respectively connected with the shearing air cylinder and the cutter, the cutter is positioned below the shearing channel, and the shearing air cylinder drives the swinging arm to swing, so that the cutter shears a wire in the shearing channel.

7. The dual coil winding machine of claim 1 wherein: the second winding mechanism comprises a second winding seat, a second winding lifting motor, a second winding rotating motor, a second winding upper die, a second winding lower die and a positioning device, wherein the second winding seat and the positioning device are respectively arranged on the main frame, and the second winding lower die is arranged on the positioning device and is matched with the positioning device;

the second winding lifting motor is arranged on the second winding seat, the second winding rotating motor is connected with the second winding lifting motor, the second winding lifting motor drives the second winding rotating motor to lift, the second winding upper die is connected with the second winding rotating motor, and the second winding upper die is positioned above the second winding lower die;

the second winding lower die is provided with a second winding slot matched with the second winding upper die, the top surface of the second winding lower die is a second spiral rising surface, and the second winding upper die is provided with a second winding column for winding.

8. The dual coil winding machine of claim 7 wherein: the positioning device comprises a positioning frame, a positioning driving motor, a moving seat, a limiting unit, a clamping unit and a positioning unit, wherein the positioning frame is arranged on the main frame;

The limiting unit comprises a limiting cylinder and a limiting block, the limiting cylinder is arranged on the movable seat, the limiting block is connected with the limiting cylinder, and the limiting cylinder drives the limiting block to move up and down;

the clamping units are provided with two groups and are respectively positioned at two sides of the limiting unit, each clamping unit comprises a clamping cylinder, a fixed clamping block and a movable clamping block, the clamping cylinders and the fixed clamping blocks are respectively arranged on the movable seat, the top ends of the movable clamping blocks are hinged with the fixed clamping blocks, the middle parts of the movable clamping blocks are connected with the clamping cylinders, and the clamping cylinders drive the movable clamping blocks to swing;

the positioning unit comprises a pushing cylinder, a swinging rod, a push-pull rod, a positioning lifting cylinder and a positioning head, wherein the middle part of the swinging rod is rotationally connected with the top of the positioning frame, the two ends of the swinging rod are respectively connected with the pushing cylinder and the push-pull rod, the other end of the push-pull rod is connected with the positioning lifting cylinder, the positioning head is connected with the positioning lifting cylinder, the pushing cylinder drives the positioning head to move forwards and backwards, and the positioning lifting cylinder drives the positioning head to lift up and down to be matched with the second winding lower die for positioning.

9. The dual coil winding machine of claim 1 wherein: the blanking mechanism comprises a stand seat, a blanking motor, a blanking seat, a blanking rotating motor and a blanking clamping cylinder, wherein the stand seat is arranged on the main frame, the blanking motor and the blanking seat are respectively arranged on the stand seat, the blanking motor is connected with the blanking seat and drives the blanking seat to move along the stand seat, the blanking rotating motor is arranged on the blanking seat, the blanking clamping cylinder is connected with the blanking rotating motor, the blanking rotating motor drives the blanking clamping cylinder to rotate, and the blanking clamping cylinder is provided with a clamping piece.

10. The dual coil winding machine of claim 4 wherein: the first winding mechanism is further provided with a pushing arc mechanism, the pushing arc mechanism comprises a pushing motor, a pushing screw rod and a pushing block, the pushing motor is arranged on the first winding seat, one end of the pushing screw rod is connected with the pushing motor through a transmission belt, the pushing motor drives the pushing screw rod to rotate, the pushing block is connected with the pushing screw rod, the pushing block is driven to move when the pushing screw rod rotates, and a pushing roller is arranged on the pushing block.