CN213086254U - Double-motor steel wire drawing and bottom lifting mechanism of flat knitting machine - Google Patents

Abstract

The utility model provides a double-motor steel wire drawing and feeding bottom lifting mechanism of a transverse braiding machine, which comprises a bottom lifting plate component and a wire component, wherein the wire component is provided with a threading motor and a take-up motor, the wire component fixes one end of a steel wire, clamps the steel wire and controls the steel wire to transversely reciprocate, and when the bottom lifting mechanism threads, the threading motor controls the steel wire to penetrate through steel wire holes of all bottom lifting needles of the bottom lifting plate component; when the bottom lifting mechanism draws, the wire take-up motor controls the steel wire to be drawn away from the bottom lifting plate assembly, and the wire take-up is wound on the wire assembly. The utility model can realize stable threading of the steel wire by arranging the double motors; the winding machine has the advantages that winding is accurate, the stability of threading and winding work of the lifting plate is greatly improved, the fault rate of the lifting needle plate is reduced, starting yarns are saved, and the weaving work efficiency is improved.

Description

Double-motor steel wire drawing and bottom lifting mechanism of flat knitting machine

Technical Field

The utility model belongs to the technical field of the computer flat knitting machine technique and specifically relates to a two motor steel wire drawing and delivering bottom raising mechanism of flat knitting machine.

Background

The existing flat knitting machines are mostly computer flat knitting machines, and are controlled by an automatic electric control system, wherein the electric control system is a whole of electric dragging and control circuit combination for controlling starting, braking, forward and reverse rotation, speed regulation and the like of a motor of the machine. When the computerized flat knitting machine is used for knitting, the bottom plate lifting device firstly needs to lift the bottom, and the existing computerized flat knitting machine mainly comprises a composite needle, a composite needle opening and closing structure, a bottom lifting small needle plate, a lifting mechanism and a motor for driving the bottom plate to move up and down. The specific control mode is as follows: rely on compound needle with the coil lock in the slot, make the start-up bottom plate provide pulling force to weaving the piece downwards, will weave the piece and draw the closed back roller of roller cloth roller and can normally the tractive weave the piece when, compound needle is released the rubber band of lock in the hook groove, and the end device is to the reset position downwards to accomplish end work, consequently can reduce and weave the produced yarn waste of in-process, practice thrift manufacturing cost.

There is certain drawback when traditional computer flat knitting machine uses: in the process from the beginning of weaving to the back-and-forth weaving of the bottom lifting needle plate by the lifting device, the problem of a small amount of head yarns still exists, the head yarns need to be manually removed from the woven cloth pieces, and the weaving working efficiency cannot be improved due to certain influence. Therefore, a double-motor steel wire drawing and bottom lifting mechanism is proposed.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the main object of the present invention is to provide a dual-motor steel wire drawing and feeding bottom mechanism with improved bottom drawing stability by matching a point motor and a wire-receiving motor.

High-efficient bottom plate wire device stability that improves, the end mechanism that plays of first yarn is prevented the manual work and is torn open.

In order to realize the purpose, the utility model discloses a technical scheme as follows:

a double-motor steel wire drawing and feeding bottom lifting mechanism of a transverse braiding machine comprises a bottom lifting plate component and a wire guide component, wherein the wire guide component is provided with a threading motor and a wire collecting motor, the wire guide component is used for fixing one end of a steel wire, clamping the steel wire and controlling the steel wire to transversely reciprocate, and when the bottom lifting mechanism is used for threading, the threading motor is used for controlling the steel wire to penetrate through steel wire holes of all bottom lifting needles of the bottom lifting plate component; when the bottom lifting mechanism draws, the wire take-up motor controls the steel wire to be drawn away from the bottom lifting plate assembly, and the wire take-up is wound on the wire assembly.

Furthermore, the wire guiding assembly is characterized in that a wire threading motor and a wire take-up motor are fixed by a support plate, a wire threading motor gear is connected to the output shaft end of the wire threading motor, a wire guiding wheel is sleeved below the wire threading motor gear, a driven guide wheel connecting rod is arranged above the support plate, the wire threading driven gear and a driven guide wheel are sleeved and fixed on the driven guide wheel connecting rod, and the wire threading motor gear and the wire threading driven gear, and the wire guiding wheel and the driven guide wheel can be respectively meshed through the action of the driven guide wheel connecting rod; the output end of the take-up motor is connected with a take-up motor gear, the take-up driven gear is connected to the support plate and meshed with the take-up motor gear, the take-up wheel is sleeved below the take-up driven gear, one end of the steel wire is fixed and wound on the take-up wheel, and the other end of the steel wire penetrates out of the space between the wire guide wheel and the driven guide wheel.

Further, the wire guide wheel is provided with a v-shaped groove for accommodating the steel wire to pass through.

Furthermore, the driven guide wheel connecting rod is connected with a tension adjusting spring and a tension adjusting screw, and the pressure of the spring is adjusted through the tension adjusting screw, so that the clamping force of the driven guide wheel and the wire guide wheel on the steel wire is adjusted.

Further, the take-up pulley side is equipped with receives line limit sensor, the take-up pulley inboard is equipped with the helicla flute the take-up pulley below is equipped with receives line response pendulum rod, receive line response pendulum rod and comprise response magnet steel, slip rivet and locating pin, receive line response pendulum rod and pass through the locating pin and connect on the extension board to can be rotatory around the locating pin, along with the rotation of take-up pulley, the slip rivet slides in the helicla flute, when sliding to the helicla flute outside, receive line response magnet steel and can trigger receive line limit sensor.

Furthermore, the bottom lifting plate assembly comprises a bottom lifting plate, a row of bottom lifting needles are arranged on the bottom lifting plate at equal intervals, bottom lifting needle steel wire holes are formed in the end portions of the bottom lifting needles and used for penetrating through bottom lifting steel wires, and the steel wires penetrating out of the wire guide assembly are guided to the positions of the bottom lifting needle steel wire holes through steel wire guide pipes on the bottom lifting plate assembly.

Furthermore, the lower parts of the two sides of the rising and falling plate assembly are respectively connected with a supporting plate, a steel wire inductor frame supporting column and a threading limit sensor are arranged on the supporting plate at the side where the tail end of the steel wire reaches, the upper end of the steel wire inductor frame is parallel to the rising and falling needle, the steel wire inductor frame can circumferentially swing by taking the steel wire inductor frame supporting column as a supporting point when being impacted by the steel wire, and the lower end of the steel wire inductor frame triggers the threading limit sensor.

Furthermore, the bottom lifting mechanism is also provided with a lifting assembly, the lifting assembly is connected to two sides of the bottom lifting plate assembly, the lifting assembly drives the bottom lifting plate assembly to ascend when needles are penetrated, threading holes of the bottom lifting needles penetrate through the cloth pieces, and steel wires penetrate through the steel wire holes of the bottom lifting needles in the whole row; when the cloth is drawn, the lifting assembly drives the lifting plate assembly to move downwards, and the cloth piece moves downwards under the tension of the steel wire.

Further, the lifting assembly comprises a lifting motor, a synchronous belt arranged on two sides, and upper and lower synchronous wheels at two ends of the synchronous belt, the lifting motor drives the synchronous belt to rotate on the synchronous wheel, and the synchronous belt rotates to drive the supporting plate of the bottom plate assembly to move up and down.

Further, the synchronous belts on the two sides are connected with a slide rail seat, a support plate is arranged above the slide rail seat, the bottom lifting plate assembly is arranged between the two synchronous belts, and the two support plates of the lifting assembly are connected through the two support plates.

Furthermore, a motor shaft of the lifting motor is provided with a small chain wheel, the small chain wheel is connected with a large chain wheel through a chain, the large chain wheel is sleeved on the lifting shaft with the lower synchronous wheel, and the synchronous belt is also connected to the lifting shaft through the lower synchronous wheel; the slide rail seat is arranged on the synchronous belt through the synchronous belt clamping plate.

Furthermore, displacement sensors are respectively arranged at the upper end and the lower end of the inner side of the synchronous belt, and feed back information to the lifting motor by the displacement sensors to control the operation of the lifting motor.

Adopt above-mentioned technical scheme, the utility model discloses following beneficial effect has:

utilize and compare with prior art, the utility model discloses high-efficient exempt from to tear open piece play end mechanism, the structure sets up rationally, and is functional strong, has following beneficial effect: through the arrangement of the wire guiding assembly threading motor and the wire take-up motor, the stable threading of the steel wire can be realized; the winding machine has the advantages that winding is accurate, the stability of threading and winding work of the lifting base plate is greatly improved, the fault rate of the lifting base plate is reduced, starting yarns are saved, the weaving work efficiency is improved, and better use prospects are brought.

Drawings

Fig. 1 is a schematic structural view of the dual-motor steel wire drawing and feeding bottom lifting mechanism of the present invention.

Fig. 2 is a schematic view of the wire assembly of the present invention.

Fig. 3 is a schematic view of the bottom plate assembly of the present invention.

Fig. 4 is a schematic view of the lifting assembly of the present invention.

Fig. 5 is a partial schematic view of the steel wire and the base pin of the present invention.

Fig. 6 is a partial schematic view of the present invention, showing the matching of the steel wire and the steel wire inductor frame.

Fig. 7 is a plan view of the wire guide wheel of the present invention.

Fig. 8 is a rear view of the take-up reel of the present invention.

Fig. 9 is a schematic view of the wire-rewinding sensing swing rod and the wire-rewinding wheel of the present invention.

Description of reference numerals: a: lifting the bottom plate assembly; b: a lifting assembly; c: a wire assembly; a-1: lifting the bottom plate; a-2: a bottom needle is started; a-3: a steel wire; a-4: a steel wire positioning plate; a-5: a steel wire conduit fixing seat; a-6: a support plate; a-7: a wire guide tube; a-8: a steel wire inductor frame; a-9: a return torsion spring; a-10: a threading limit sensor; a-11: a steel wire inductor frame strut; b-1: a lifting motor; b-2: a small sprocket; b-3: a chain; b-4: a large sprocket; b-5: a lower synchronizing wheel; b-6: clamping plates of synchronous belts; b-7: a slide rail seat; b-8: a guide shaft; b-9: an upper synchronizing wheel; b-10: a synchronous belt; b-11: a support plate; b-12, a lifting shaft; b-13, a lower displacement sensor; b-14, an upper displacement sensor; c-1: a threading motor; c-2: a take-up motor; c-3: a support plate; c-4: a threading motor gear; c-5: a wire guide wheel; c-6: a threading driven gear; c-7: a driven guide wheel; c-8: a driven guide wheel connecting rod; c-9: a tension adjusting screw; c-10: a tension adjusting spring; c-11: a wire holder; c-12: a wire take-up motor gear; c-13: a take-up driven gear; c-14: a take-up pulley; c-141: a helical groove; c-15: a wire-rewinding induction swing rod; c-151 induction magnetic steel; c-152, sliding rivets; c-153, a positioning pin; c-16: a take-up limit sensor; c-17: sensor mount.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and embodiments. It is to be understood that the block diagrams and specific examples are set forth herein for purposes of explanation only and are not intended as limitations on the present invention.

As shown in fig. 1-9, the utility model provides a double-motor steel wire drawing and feeding bottom lifting mechanism of a flat knitting machine, which comprises a bottom lifting plate component A and a wire component C, wherein the wire component is provided with a threading motor and a take-up motor, the wire component fixes one end of a steel wire, clamps the steel wire and controls the steel wire to transversely reciprocate, and when the bottom lifting mechanism threads, the threading motor controls the steel wire to penetrate through steel wire holes of all bottom lifting needles of the bottom lifting plate component; when the bottom lifting mechanism draws, the wire take-up motor controls the steel wire to be drawn away from the bottom lifting plate assembly, and the wire take-up is wound on the wire assembly.

Example 1

As shown in fig. 1-2 and 7-9, a threading motor C-1 and a take-up motor C-2 are fixed on a wire guide assembly C by a support plate C-3, a threading motor gear C-4 is connected to an output shaft end of the threading motor, a wire guide wheel C-5 is sleeved below the threading motor gear, a driven guide wheel connecting rod C-8 is arranged above the support plate, a threading driven gear C-6 and a driven guide wheel C-7 are sleeved and fixed on the driven guide wheel connecting rod, and the threading motor gear and the threading driven gear, and the wire guide wheel and the driven guide wheel can be respectively meshed through the action of the driven guide wheel connecting rod.

The driven guide wheel connecting rod is pressed downwards to enable the threading driven gear to be abutted to the threading motor gear, the threading motor rotates to drive the threading motor gear to rotate together with the wire guide wheel, the threading driven gear is driven through meshing transmission, and finally the guide wheel and the driven guide wheel are meshed to generate friction force. The support plate C-3 is provided with two wire seats C-11 which are respectively used for fixing a steel wire guide pipe A-7 and a driven guide wheel connecting rod C-8, and the steel wire extends outwards along the steel wire guide pipe.

The output end of the take-up motor is connected with a take-up motor gear C-12, a take-up driven gear C-13 is connected to the support plate and meshed with the take-up motor gear, and a take-up wheel C-14 is sleeved below the take-up driven gear. One end of the steel wire A-3 is fixed and wound on the take-up pulley, the other end of the steel wire A-3 penetrates out of the space between the wire guide wheel C-5 and the driven guide wheel C-7, horizontally and outwards extends out through friction force generated when the guide wheel is meshed with the driven guide wheel, the steel wire A-3 is horizontally and inwards wound on the take-up pulley through rotation of the take-up pulley, a flange is arranged on the take-up pulley, and the steel wire A-3 is further limited and wound on the take.

Preferably, the wire guide wheel is provided with a V-shaped groove for accommodating the steel wire to pass through, and further limiting the movement of the steel wire. The connecting rod of the driven guide wheel is connected with a tension adjusting spring C-10 and a tension adjusting screw C-9, and the pressure of the spring is adjusted through the tension adjusting screw, so that the clamping force of the driven guide wheel and the wire guide wheel on the steel wire is adjusted.

Preferably, a take-up limiting sensor C-16 is arranged on the side face of the take-up wheel, a spiral groove C-141 is arranged on the inner side of the take-up wheel, a take-up sensing swing rod C-15 is arranged below the take-up wheel and consists of sensing magnetic steel C-151, a sliding rivet C-152 and a positioning pin C-153, the take-up sensing swing rod is connected to the support plate through the positioning pin and can rotate around the positioning pin, the sliding rivet slides in the spiral groove along with the rotation of the take-up wheel, and when the sliding steel slides to the outermost side of the spiral groove, the take-up sensing magnetic steel. The take-up limiting sensor can feed back signals to the electric control system to control the take-up motor to stop rotating.

The utility model discloses during the threading, the clamping-force through wire wheel and driven guide pulley drives the steel wire and realizes threading work, and the self-locking control who utilizes the receipts line motor simultaneously produces certain pulling force to the steel wire and makes the removal of steel wire in the V-arrangement inslot more stable. When the wire is taken up, the self-locking control of the threading motor generates certain pulling force on the steel wire to enable the steel wire to be wound on the take-up pulley more accurately and orderly, and the take-up pulley is provided with a flange to enable the steel wire to be wound in the steel wire groove accurately and stably.

Example 2

As shown in fig. 3, 5 and 6, the lifting plate assembly comprises a lifting plate a-1, a row of lifting needles a-2 arranged at equal intervals are arranged on the lifting plate, a lifting needle steel wire hole is arranged at the end part of each lifting needle and used for penetrating a lifting steel wire a-3, and the steel wire penetrating out of the wire guide assembly is guided to the position of the lifting needle steel wire hole by a steel wire guide pipe a-7 on the lifting plate assembly. The lower parts of the two sides of the lifting plate component are respectively connected with a supporting plate A-6, the left side of the lifting plate component is connected with a steel wire positioning plate A-4, the outer edge of the steel wire positioning plate is provided with a threading hole, a steel wire guide pipe fixing seat A-5 connected with the supporting plate is arranged below the steel wire positioning plate, and the guide pipe is fixed at the position corresponding to the threading hole of the steel wire positioning plate by the steel wire guide pipe fixing seat. The steel wire passes through the steel wire pipe and gets into from steel wire locating plate lower extreme through wires hole, and the upper end through wires hole comes out, runs through whole row of end needle steel wire hole.

A supporting plate at the side where the tail end of the steel wire reaches (namely a supporting plate at the right side in figure 3) is provided with a steel wire inductor frame A-8, a steel wire inductor frame supporting column A-11 and a threading limit sensor A-10, the upper end of the steel wire inductor frame is parallel to the base needle, the steel wire inductor frame can circumferentially swing by taking the steel wire inductor frame supporting column as a supporting point when being impacted by the steel wire, and the lower end of the steel wire inductor frame triggers the threading limit sensor.

When a steel wire penetrates through the rightmost base needle pinhole and contacts the steel wire inductor frame, the steel wire inductor frame is stressed and rotates around the steel wire inductor frame supporting column to be induced by the threading limit sensor, and the threading limit sensor A-10 feeds a signal back to the electric control system to control the threading motor C-1 to stop rotating. The steel wire inductor frame A-8 is reset by the resilience force of the return torsion spring A-9.

Example 3

As shown in fig. 1 and 4, the bottom lifting mechanism is also provided with a lifting assembly B, the lifting assembly is connected to two sides of the bottom lifting plate assembly, when the needle is threaded, the lifting assembly drives the bottom lifting plate assembly to ascend, the threading holes of the bottom lifting needles penetrate through the cloth pieces, and the steel wires penetrate through the steel wire holes of the bottom lifting needles in the whole row; when the cloth is drawn, the lifting assembly drives the lifting plate assembly to move downwards, and the cloth piece moves downwards under the tension of the steel wire.

The lifting assembly B comprises a lifting motor B-1, synchronous belts B-10 arranged on two sides, an upper synchronous wheel B-9 and a lower synchronous wheel B-5 which are arranged at two ends of the synchronous belts, the lifting motor drives the synchronous belts to rotate on the synchronous wheels, and the rotation of the synchronous belts drives a supporting plate A-6 of the bottom plate assembly to move up and down.

The synchronous belts on the two sides are connected with a slide rail seat B-7, a support plate B-11 is arranged above the slide rail seat, the bottom plate component is arranged between the two synchronous belts and is connected to the two support plates of the lifting component through two support plates.

A motor shaft of the lifting motor is provided with a small chain wheel B-2, the small chain wheel is connected with a large chain wheel B-4 through a chain, the large chain wheel is sleeved on a lifting shaft B-12 with a lower synchronous wheel B-5, and the synchronous belt is also connected on the lifting shaft through the lower synchronous wheel; the slide rail seat is arranged on the synchronous belt through a synchronous belt clamping plate B-6.

And displacement sensors B-14 and B-13 are respectively arranged at the upper end and the lower end of the inner side of the synchronous belt, and the displacement sensors feed back information to the lifting motor to control the operation of the lifting motor.

The lifting component B is controlled by a signal of an electric control system, when a lifting motor B-1 works, a small chain wheel B-2 is driven to run, a small chain wheel B-2 drives a large chain wheel B-4 to run through a chain B-3, a lower synchronous wheel B-5, a lifting shaft B-12 and the large chain wheel B-4 run synchronously, the lower synchronous wheel B-5 drives an upper synchronous wheel B-9 to run together through a synchronous belt B-10, the synchronous belt B-10 runs up and down to drive a slide rail seat B-7 and a support plate B-11 to run up and down along a guide shaft B-8, the base plate component A runs up and down along the support plate B-11, and the electric control system controls the running displacement of the lifting motor B-1 through signal feedback of an upper displacement sensor B-14 and a lower displacement sensor.

The above-mentioned embodiments only express the embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (12)

1. A double-motor steel wire drawing and feeding bottom lifting mechanism of a transverse braiding machine comprises a bottom lifting plate component and a wire guide component, and is characterized in that the wire guide component is provided with a threading motor and a wire collecting motor, the wire guide component fixes one end of a steel wire, clamps the steel wire and controls the steel wire to transversely reciprocate, and when the bottom lifting mechanism threads, the threading motor controls the steel wire to penetrate through steel wire holes of all bottom lifting needles of the bottom lifting plate component; when the bottom lifting mechanism draws, the wire take-up motor controls the steel wire to be drawn away from the bottom lifting plate assembly, and the wire take-up is wound on the wire assembly.

2. The dual-motor steel wire pumping and bottom lifting mechanism as claimed in claim 1, wherein the wire guiding assembly is composed of a supporting plate, a threading motor and a wire collecting motor are fixed on the supporting plate, a threading motor gear is connected to an output shaft end of the threading motor, a wire guiding wheel is sleeved below the threading motor gear, a driven guide wheel connecting rod is arranged above the supporting plate, the threading driven gear and the driven guide wheel are sleeved and fixed on the driven guide wheel connecting rod, and the threading motor gear and the threading driven gear, and the wire guiding wheel and the driven guide wheel can be respectively engaged through the action of the driven guide wheel connecting rod; the output end of the take-up motor is connected with a take-up motor gear, the take-up driven gear is connected to the support plate and meshed with the take-up motor gear, the take-up wheel is sleeved below the take-up driven gear, one end of the steel wire is fixed and wound on the take-up wheel, and the other end of the steel wire penetrates out of the space between the wire guide wheel and the driven guide wheel.

3. The dual motor wire drawer bottom mechanism of claim 2, wherein the wire guide wheel is provided with v-shaped grooves for receiving the wire therethrough.

4. The dual-motor steel wire pumping and bottom lifting mechanism as claimed in claim 3, wherein the driven guide wheel connecting rod is connected with a tension adjusting spring and a tension adjusting screw, and the tension adjusting screw adjusts the pressure of the spring so as to adjust the steel wire clamping force of the driven guide wheel and the wire guide wheel on the steel wire.

5. The dual-motor steel wire pumping and bottom lifting mechanism according to claim 2, wherein a take-up limiting sensor is arranged on the side face of the take-up pulley, a spiral groove is formed in the inner side of the take-up pulley, a take-up sensing swing rod is arranged below the take-up pulley and consists of sensing magnetic steel, a sliding rivet and a positioning pin, the take-up sensing swing rod is connected to the support plate through the positioning pin and can rotate around the positioning pin, the sliding rivet slides in the spiral groove along with the rotation of the take-up pulley, and the take-up sensing magnetic steel can trigger the take-up limiting sensor when the sliding to the outermost side of the spiral.

6. The dual-motor steel wire drawing and setting mechanism as claimed in claim 1, wherein the setting plate assembly comprises a setting plate, a row of equidistantly arranged setting pins are disposed on the setting plate, a setting pin wire hole is disposed at an end of the setting pin for passing through a setting steel wire, and the steel wire coming out from the wire guiding assembly is guided to a position of the setting pin wire hole by a steel wire guiding tube on the setting plate assembly.

7. The dual-motor steel wire pumping and bottom lifting mechanism according to claim 6, wherein support plates are respectively connected to the lower portions of the two sides of the bottom lifting plate assembly, a steel wire sensor frame support column and a threading limit sensor are arranged on the support plate on the side where the tail end of the steel wire reaches, the upper end of the steel wire sensor frame is parallel to the bottom lifting needle, the steel wire sensor frame can circumferentially swing around the steel wire sensor frame support column as a fulcrum when the steel wire is impacted, and the threading limit sensor is triggered by the lower end of the steel wire sensor frame.

8. The dual-motor steel wire drawing and bottom lifting mechanism according to claim 7, wherein the bottom lifting mechanism is further provided with a lifting assembly, the lifting assembly is connected to two sides of the bottom lifting plate assembly, the lifting assembly drives the bottom lifting plate assembly to ascend when a needle is penetrated, a threading hole of the bottom needle to be lifted penetrates through the cloth piece, and the steel wire penetrates through the whole row of steel wire holes of the bottom needle; when the cloth is drawn, the lifting assembly drives the lifting plate assembly to move downwards, and the cloth piece moves downwards under the tension of the steel wire.

9. The dual-motor wire-drawing bottoming mechanism of claim 8, wherein: the lifting assembly comprises a lifting motor, a synchronous belt arranged on two sides, and upper and lower synchronous wheels at two ends of the synchronous belt, the lifting motor drives the synchronous belt to rotate on the synchronous wheel, and the synchronous belt rotates to drive the supporting plate of the bottom plate assembly to move up and down.

10. The dual-motor wire-drawing bottoming mechanism of claim 9, wherein: the synchronous belts on the two sides are connected with a slide rail seat, a support plate is arranged above the slide rail seat, the bottom lifting plate assembly is arranged between the two synchronous belts, and the two support plates of the lifting assembly are connected through the two support plates.

11. The dual-motor wire-drawing bottoming mechanism of claim 10, wherein: a motor shaft of the lifting motor is provided with a small chain wheel, the small chain wheel is connected with a large chain wheel through a chain, the large chain wheel and the lower synchronous wheel are sleeved on a lifting shaft, and the synchronous belt is also connected to the lifting shaft through the lower synchronous wheel; the slide rail seat is arranged on the synchronous belt through the synchronous belt clamping plate.

12. The dual-motor wire-drawing bottoming mechanism of claim 11, wherein: and displacement sensors are respectively arranged at the upper end and the lower end of the inner side of the synchronous belt and feed back information to the lifting motor to control the operation of the lifting motor.

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