CN111245184A - Needle type winding machine for straight stator core - Google Patents

Abstract

The invention relates to a needle type winding machine for a straight bar stator core. The machine comprises a machine frame, wherein a stator core feeding mechanism, a wire clamping and cutting mechanism, a winding mechanism and a wire inlet tensioning mechanism are arranged on the machine frame. And the stator core feeding mechanism is used for conveying, fixing and rotating the straight stator cores so that the winding mechanism can wind the straight stator cores conveniently. And the winding mechanism is used for winding the straight stator core. And the wire clamping and shearing mechanism is used for shearing the copper wires between the straight stator core and the winding mechanism and clamping the sheared copper wires. The stator core feeding mechanism, the wire clamping and shearing mechanism and the winding mechanism realize the procedures of conveying, fixing, rotating, winding, shearing and the like of the stator core, and the quick sliding of the winding needle and the straight stator core is driven by the servo motor, so the sliding distance of the winding needle and the straight stator core is accurate, the winding speed is high, and the conveying is accurate and stable.

Description

Needle type winding machine for straight stator core

Technical Field

The invention relates to the technical field of needle type winding machines, in particular to a needle type winding machine for a straight bar stator core.

Background

The existing straight bar stator core needle type winding machine has low winding efficiency, so the structure of the existing straight bar stator core needle type winding machine needs to be further improved.

Disclosure of Invention

The invention aims to provide a needle type winding machine for a straight bar stator core, which has high winding efficiency.

The purpose of the invention is realized as follows:

the needle type winding machine for the straight bar stator core comprises a machine frame, wherein a stator core feeding mechanism, a wire clamping and cutting mechanism, a winding mechanism and a wire inlet tensioning mechanism are arranged on the machine frame.

And the stator core feeding mechanism is used for conveying, fixing and rotating the straight stator cores so that the winding mechanism can wind the straight stator cores conveniently.

And the winding mechanism is used for winding the straight stator core.

And the wire clamping and shearing mechanism is used for shearing the copper wires between the straight stator core and the winding mechanism and clamping the sheared copper wires.

And the wire inlet tensioning mechanism is used for tensioning the copper wire and guiding the copper wire to a wire winding needle of the wire winding mechanism. The incoming line tensioning mechanism is well known in the art and will not be described in detail here.

The present invention may be further improved as follows.

The machine frame is provided with a temporary fixture placing table, the temporary fixture placing table can serve as a feeding and discharging transfer table, workers can place a wound linear stator core and a fixture thereof, and a non-wound linear stator core and a fixture thereof on the temporary fixture placing table in advance, and due to the fact that the linear stator core and the fixture thereof are heavy, the labor intensity of the workers for dismounting and mounting the stator core fixture for a long time is large, and the labor intensity of the workers can be reduced due to the design.

The stator core feeding mechanism comprises a front and rear feeding servo motor, a front and rear feeding moving seat, a left and right feeding servo motor, a left and right feeding moving seat, a clamp rotating servo motor, a clamp rotating seat, a clamp pressing assembly and an anti-rotation assembly, the front and back feeding moving seat is horizontally arranged on the frame in a sliding manner along the front and back directions of the frame, the front and back feeding servo motor is arranged on the frame, and is connected with the front and rear feeding moving seats in a driving way, the left and right feeding moving seats are horizontally arranged on the front and rear feeding moving seats in a sliding way along the left and right direction of the frame, the left and right feeding servo motors are arranged on the front and rear feeding moving seats, and is in driving connection with the left and right feeding moving seats, the clamp rotating seat is rotatably arranged on the left and right feeding moving seats along the vertical direction, the clamp rotating servo motor is arranged on the left feeding moving seat and the right feeding moving seat and is in driving connection with the clamp rotating seat. The left and right feeding servo motors positively and negatively rotate to drive the straight stator iron cores to slide left and right, and the front and back feeding servo motors positively and negatively rotate to drive the straight stator iron cores to slide front and back, so that the stator iron core feeding mechanism disclosed by the invention can stably and accurately convey the straight stator iron cores.

The U-shaped fixture rotating seat is characterized in that the fixture rotating seat is U-shaped, fixture positioning grooves and fixture pressing buckles are arranged at two ends of the fixture rotating seat, the fixture pressing buckles are arranged beside the fixture positioning grooves in a rotating mode in the vertical direction, and pressing buckle springs are arranged between the fixture pressing buckles and the fixture rotating seat. The tip of stator core anchor clamps is installed in the anchor clamps constant head tank, presses the knot spring to make anchor clamps press to detain forward rotation and press stator core anchor clamps in the anchor clamps constant head tank. When a worker wants to disassemble and assemble the stator core fixture, the elasticity of the pressing and buckling spring can be overcome, the fixture is reversely turned and pressed and buckled, and then the end part of the stator core fixture is placed into the fixture positioning groove, so that the straight stator core is firmly fixed.

The fixture rotating seat is horizontally arranged on the left feeding moving seat and the right feeding moving seat, and the fixture rotating servo motor is in driving connection with one end of the fixture rotating seat.

The anti-rotation assembly comprises an anti-rotation air cylinder, a bearing seat and a rotating shaft, the bearing seat is arranged on a left feeding moving seat and a right feeding moving seat, the rotating shaft is rotatably arranged on the bearing seat, one end of the rotating shaft is connected with the fixture rotating seat, the other end, corresponding to the rotating shaft, of an air cylinder rod of the anti-rotation air cylinder is provided with a locking fixture block, when the anti-rotation air cylinder needs to lock the fixture rotating seat, the anti-rotation air cylinder drives the locking fixture block to move towards the rotating shaft, and the locking fixture block is clamped with. Because when the wire winding mechanism winds the wire, the pulling force of copper line is very big, prevent changeing the angle and the position that the cylinder can lock anchor clamps roating seat, stator core anchor clamps and vertical bar stator core, consequently the anchor clamps roating seat can not be drawn by the copper line and is rotating to avoid vertical bar stator core to rotate, influence the wire winding precision of wire winding mechanism.

The clamp pressing assembly comprises a clamp pressing cylinder and a translation cylinder, the clamp pressing cylinder is horizontally arranged on the front and rear feeding moving seats in a sliding mode along the left and right directions of the rack, the translation cylinder is arranged on the front and rear feeding moving seats and drives the clamp pressing cylinder to slide, the clamp pressing cylinder is located above the clamp rotating seat, and a pressing block is arranged on a cylinder rod of the clamp pressing cylinder. Because when the wire winding mechanism winds the wire, the pulling force of copper line is very big, anchor clamps compress tightly the stator core anchor clamps that the cylinder was used for pushing down the good straight bar stator core of dress for stator core anchor clamps can not pulled by the copper line when straight bar stator core winds the wire, can not pulled out the anchor clamps roating seat by the copper line.

The wire clamping and trimming mechanism comprises a wire clamping lifting seat, a wire clamping lifting cylinder, a wire clamping translation seat, a wire trimming cutter lifting cylinder, a wire trimming lifting seat, a wire clamping lifting guide rod, a wire clamping lifting slider and a wire trimming cutter, wherein the wire clamping translation cylinder is arranged on the wire clamping lifting seat and drives the wire clamping translation seat to horizontally slide, the wire trimming lifting seat is vertically arranged on the wire clamping translation seat, the wire clamping lifting cylinder is vertically arranged on the wire clamping translation seat, a wire clamping block is arranged at the top end of the wire clamping lifting guide rod, the wire clamping lifting slider is vertically arranged on the wire clamping lifting guide rod and is positioned below the wire clamping block, a jacking spring is arranged between the bottom end of the wire clamping lifting slider and the wire clamping translation seat, the wire trimming lifting seat is vertically arranged on the wire clamping lifting slider, the thread trimmer is arranged on the thread trimmer lifting seat.

The wire clamping lifting seat is arranged on the rack in a vertically sliding mode, the wire clamping lifting cylinder is arranged on the rack and drives the wire clamping lifting seat to lift, the wire clamping translation seat is horizontally arranged on the wire clamping lifting seat in a sliding mode along the front-back direction of the rack, and the wire clamping translation cylinder is arranged on the wire clamping lifting seat and drives the wire clamping translation seat to horizontally slide. The invention drives the wire clamping lifting slide block and the wire shearing knife to lift and translate through the wire clamping lifting cylinder and the wire clamping translation cylinder, so the wire clamping and cutting actions of the invention are fast and the efficiency is high.

The gap between the wire clamping lifting slide block and the wire clamping block is a wire clamping opening, and the cutting edge of the wire cutter faces upwards to the wire clamping opening. The wire cutting machine drives the wire clamping lifting sliding block and the wire cutting knife to lift together through the wire cutting knife lifting cylinder, and cuts off copper wires while clamping wires, so that the wire cutting machine is quick in wire cutting action and high in wire cutting efficiency.

The lateral wall of the wire clamping lifting slide block is provided with a first jacking bulge corresponding to the wire shearing lifting seat, the lateral wall of the wire clamping lifting slide block is provided with a third jacking bulge corresponding to the wire shearing knife, the lower end of the wire shearing knife is abutted against the third jacking bulge, and the lower end of the wire shearing lifting seat is abutted against the first jacking bulge. When the lifting spring jacks up the wire clamping lifting slide block, the wire shearing knife is also jacked up together, so that the wire shearing knife also ascends in advance, and the wire cutting speed of the wire shearing knife is high.

The cutting edge of the thread trimmer is positioned at the top end of the thread trimmer, and the cutting edge of the thread trimmer is aligned with the thread clamping opening. Therefore, when the thread cutter slides upwards, the cutting edge of the thread cutter can smoothly cut the copper wire, and the thread clamping opening cannot interfere with the sliding of the thread cutter.

The level of the cutting edge of the trimming knife is higher than the level at the top end of the wire clamping lifting slide block, so that when the trimming lifting seat stops lifting during guarantee, namely when the top end of the wire clamping lifting slide block completely compresses a copper wire, the trimming knife also cuts the wire, thereby avoiding the problem that the copper wire is not fixed well and influencing the efficiency and quality of the wire cutting.

The rear side of the upper end of the wire clamping lifting slide block is provided with a second jacking protrusion corresponding to the wire shearing lifting seat, and the wire shearing lifting seat pushes the wire clamping lifting slide block to ascend by utilizing the second jacking protrusion, so that the top end of the wire clamping lifting slide block completely clamps the copper wire.

The jacking spring is sleeved on the wire clamping lifting guide rod, so that the jacking spring is firmly positioned and works stably.

The wire clamping lifting sliding block is provided with a guide hole corresponding to the wire clamping lifting guide rod, and the wire clamping lifting guide rod penetrates through the guide hole.

The thread trimming lifting seat and the thread trimming knife are respectively positioned on the rear side and the front side of the thread trimming lifting seat. The thread clamping lifting sliding block is positioned between the thread cutting knife and the thread cutting lifting seat and guides the thread cutting knife and the thread cutting lifting seat to slide up and down on the thread clamping lifting sliding block, so that the thread cutting knife and the thread cutting lifting seat are lifted stably.

The wire clamping and trimming device comprises a wire clamping and trimming component, a wire clamping lifting guide rod, a wire clamping lifting slide block and a wire trimming knife, wherein the wire clamping and trimming component is arranged on a wire clamping translation seat, and each wire clamping and trimming component corresponds to a corresponding wire winding needle and clamps and trims the wire of the wire winding needle.

Winding mechanism includes mount pad, lift servo motor, translation servo motor, horizontal sliding seat, lift sliding seat, first belt pulley drive mechanism, second belt pulley drive mechanism, main sliding seat and wire winding needle, the lift sliding seat slides along vertical direction and locates on the mount pad, lift servo motor locates on the mount pad to be connected with the transmission of lift sliding seat, the horizontal sliding seat slides along the horizontal direction and locates on the mount pad, translation servo motor locates on the mount pad to be connected with the transmission of horizontal sliding seat, the wire winding needle is located on the main sliding seat, the vertical slip of main sliding seat is located the horizontal sliding seat, and the horizontal slip locates on the lift sliding seat, the wire winding needle is located on the main sliding seat. When the winding mechanism winds and hangs wires, the lifting servo motor rotates forwards to drive the winding needle to ascend firstly, after the lifting servo motor is in place, the translation servo motor rotates forwards to drive the winding needle to move leftwards, after the lifting servo motor rotates backwards to drive the winding needle to descend, and after the lifting servo motor rotates backwards to drive the winding needle to move rightwards, so that the winding needle completes one-time rotary motion, namely, the winding motion of copper wires on the wire grooves of the straight stator cores is completed.

First belt pulley drive mechanism includes first belt, first band pulley and second band pulley all rotate locate the mount pad on, first band pulley sets up on the mount pad with the second band pulley one on the other, first band pulley and second band pulley are connected to first belt, lift sliding seat and first belt fixed connection.

The second belt pulley transmission mechanism comprises a second belt, a third belt pulley and a fourth belt pulley, the third belt pulley and the fourth belt pulley are arranged on the mounting seat in a rotating mode, the third belt pulley and the fourth belt pulley are arranged on the mounting seat in a first left-right mode, the third belt pulley and the fourth belt pulley are connected through the second belt, and the horizontal sliding seat is fixedly connected with the second belt.

The winding needle is characterized in that a horizontal guide rail is arranged on the lifting sliding seat, a vertical guide rail is arranged on the horizontal sliding seat, the main sliding seat is vertically arranged on the vertical guide rail in a sliding mode, and the main sliding seat is arranged on the horizontal guide rail in a sliding mode, so that the winding needle can stably move in a translation mode and lift mode.

The winding needles of the winding mechanism are three winding needles which are arranged at intervals along the horizontal direction. Therefore, the three-phase servo motor can be subjected to three-wire parallel winding.

The invention has the following beneficial effects:

the invention realizes the procedures of conveying, fixing, rotating, winding, trimming and the like of the stator core through the stator core feeding mechanism, the wire clamping and trimming mechanism and the winding mechanism, and the fast sliding of the winding needle and the straight stator core is driven by the servo motor, so the sliding distance of the winding needle and the straight stator core is accurate, the winding speed is fast, the conveying is accurate and stable, and the winding precision, the winding efficiency and the reject ratio of the winding machine are high.

And (II) when the winding mechanism winds, the lifting servo motor rotates forwards and reversely to drive the winding needle to slide up and down at intervals at high speed in a reciprocating mode, and the translation servo motor rotates forwards and reversely to drive the winding needle to slide left and right at intervals at high speed in a reciprocating mode, so that the winding needle completes rotary motion, namely, the winding motion of copper wires on the wire grooves of the straight stator iron cores is completed.

And (III) the left and right feeding servo motors positively and negatively rotate to drive the straight stator iron cores to slide left and right, and the front and back feeding servo motors positively and negatively rotate to drive the straight stator iron cores to slide front and back, so that the stator iron core feeding mechanism of the invention can stably and accurately convey the straight stator iron cores, thereby improving the winding efficiency and the winding precision. In addition, the clamp rotating servo motor can drive the straight stator core to rotate, so that the straight stator core is kept inclined, and a winding needle can pull a copper wire to hang the wire.

And fourthly, the wire clamping and trimming mechanism utilizes the jacking spring to push the wire clamping lifting slide block upwards so that the wire clamping lifting slide block clamps the copper wire in advance, and then the wire trimming knife lifting cylinder drives the wire clamping lifting slide block to completely clamp the copper wire and the wire trimming knife cuts off the copper wire. The invention cuts off the copper wire while clamping the wire, therefore the invention has fast wire cutting action and high wire cutting efficiency, thereby leading the winding efficiency of the winding machine to be high.

In addition, the invention can realize single-needle winding and three-needle winding, so that the invention can switch the single-needle winding and the three-needle winding, and is suitable for the winding of a three-phase servo motor and a single-phase servo motor.

And (VI) when the existing straight bar stator core needle type winding machine winds the wire, the winding needle slides up and down at a high speed, and the stator core slides left and right at a high speed, so that the defective rate is high, the winding precision is low, and the winding efficiency is low.

Drawings

Fig. 1 is a schematic structural view of the needle type winding machine for straight bar stator cores according to the present invention.

Fig. 2 is a schematic structural view of the present embodiment with a part of the frame omitted.

Fig. 3 is a schematic view of the structure of fig. 2 from another angle.

Fig. 4 is a schematic view of the structure of fig. 2 from another angle.

FIG. 5 is a schematic view of the structure of the winding mechanism of the present invention

Fig. 6 is a schematic view of the structure of fig. 5 at another angle (the first and second belts are not shown).

Fig. 7 is an exploded view of the winding mechanism of the present invention.

Fig. 8 is a schematic structural diagram of the stator core feeding mechanism of the embodiment

Fig. 9 is a schematic view of the structure of fig. 8 at another angle.

Fig. 10 is an exploded structural schematic view of the stator core feeding mechanism of the present embodiment.

FIG. 11 is a schematic structural view of the thread clamping and cutting mechanism of the present embodiment

Fig. 12 is a schematic view of the structure of fig. 11 at another angle.

Fig. 13 is an exploded view of the thread clamping and cutting mechanism of the present embodiment.

Fig. 14 is an enlarged view at a in fig. 12.

Fig. 15 is an exploded view of the wire clamping elevating slider of the present embodiment.

Fig. 16 is a schematic view of a structure in which the stator core jig of the present embodiment clamps a straight stator core.

Fig. 17 is an exploded view of fig. 16.

Fig. 18 is a schematic view of the structure of fig. 16 from another angle.

Detailed Description

The invention is further described with reference to the following figures and examples. The "front", "rear", "left", "right", "up" and "down" are all referred to as a frame as a reference. The left-right direction and the front-back direction of the frame are the same as those of the front-back feeding moving seat.

In a first embodiment, as shown in fig. 1 to 17, a needle type winding machine for a straight bar stator core includes a frame 1, and a stator core feeding mechanism 2, a wire clamping and trimming mechanism 3, a winding mechanism 4, and a wire inlet tensioning mechanism 8 are disposed on the frame 1. And the stator core feeding mechanism 2 is used for conveying, fixing and rotating the straight stator cores 6 so that the winding mechanism 4 winds the straight stator cores 6. And the winding mechanism 4 is used for winding the straight stator core 6. And the wire clamping and shearing mechanism 3 is used for shearing the copper wires between the straight stator core 6 and the winding mechanism 4 and clamping the sheared copper wires. And the wire inlet tensioning mechanism 8 is used for tensioning the copper wire and guiding the copper wire to a wire winding needle of the wire winding mechanism 4.

The present invention is a more specific embodiment.

The machine is characterized in that a clamp temporary placing table 11 is arranged on the machine frame 1, the clamp temporary placing table 11 can be used as a feeding and discharging transfer table, a worker can place a wound linear stator core 6 and a clamp thereof, a non-wound linear stator core 6 and a clamp thereof on the clamp temporary placing table 11 in advance, and due to the fact that the linear stator core 6 and the clamp thereof are heavy, the worker can disassemble and assemble the stator core clamp 7 for a long time, and the labor intensity of the worker can be reduced due to the design.

The stator core feeding mechanism 2 comprises a front feeding servo motor 21, a front feeding moving seat 22, a rear feeding moving seat 22, a left feeding servo motor 23, a right feeding moving seat 24, a clamp rotating servo motor 25, a clamp rotating seat 26, a clamp pressing component 27 and an anti-rotating component 28, wherein the front feeding moving seat 22 and the rear feeding moving seat 22 are horizontally arranged on the rack 1 in a sliding manner along the front and rear directions of the rack 1, the front feeding servo motor 21 and the rear feeding servo motor 21 are arranged on the rack 1 and are in driving connection with the front feeding moving seat 22 and the rear feeding moving seat 22, the left feeding moving seat 24 and the right feeding moving seat 24 are horizontally arranged on the rack 1 in a sliding manner along the left and right directions of the rack 1, the left feeding servo motor 23 and the right feeding servo motor are arranged on the front feeding moving seat 22 and the rear feeding moving seat 22 and are in driving connection with the left feeding moving seat 24 and the, and is drivingly connected to the clamp swivel 26.

The U-shaped fixture rotating base 26 has two ends of the fixture rotating base 26 having fixture positioning grooves 262 and fixture press-buckles 263, the fixture press-buckles 263 are vertically and rotatably disposed beside the fixture positioning grooves 262, and a press-buckle spring 264 is disposed between the fixture press-buckles 263 and the fixture rotating base. The end of the stator core holder 7 is mounted in the holder positioning groove 262, and the press-fastening spring 264 makes the holder press-fastening 263 rotate forward and press the stator core holder 7 in the holder positioning groove 262. When a worker wants to disassemble and assemble the stator core fixture 7, the fixture press-button 263 is reversely turned over against the elastic force of the press-button spring 264, and then the end of the stator core fixture 7 is placed in the fixture positioning groove 262.

The opening of the clamp rotating seat faces the rear side of the rack, namely the winding mechanism.

The fixture rotating seat is horizontally arranged on the left and right feeding moving seats, and the fixture rotating servo motor 25 is in driving connection with one end of the fixture rotating seat 26.

The anti-rotation assembly 28 comprises an anti-rotation air cylinder 281, a bearing seat 283 and a rotating shaft 284, wherein the bearing seat 283 is arranged on the left feeding moving seat 24 and the right feeding moving seat 24, the rotating shaft 284 is rotatably arranged on the bearing seat 283, one end of the rotating shaft 284 is connected with the clamp rotating seat 26, a locking fixture block 282 is arranged on an air cylinder rod of the anti-rotation air cylinder 281, and the anti-rotation air cylinder 281 is connected with the other end of the rotating shaft 284. The other end that corresponds the pivot on the cylinder pole of preventing changeing the cylinder is equipped with locking fixture block 282, and when preventing changeing the cylinder and need locking the anchor clamps roating seat, prevent changeing the cylinder drive locking fixture block 282 and remove toward the pivot, locking fixture block 282 and the other end card of pivot. Because when the wire winding mechanism winds the wire, the pulling force of copper line is very big, prevent changeing the angle and the position that the cylinder can lock anchor clamps roating seat, stator core anchor clamps and vertical bar stator core, consequently the anchor clamps roating seat can not be drawn by the copper line and is rotating to avoid vertical bar stator core to rotate, influence the wire winding precision of wire winding mechanism.

The clamp pressing assembly 27 comprises a base 273, a cylinder seat 272, a clamp pressing cylinder 274 and a translation cylinder 271, wherein the base 273 is arranged on the front and rear feeding moving seat 22, the translation cylinder 271 and the cylinder seat 272 are arranged on the base 273, the cylinder seat 272 is horizontally arranged on the base 273 in a sliding manner along the left and right direction of the frame 1, the translation cylinder 271 drives the cylinder seat 272 to slide, the clamp pressing cylinder 274 is positioned above the clamp rotating seat 26, and a pressing block 275 is arranged on a cylinder rod of the clamp pressing cylinder 274. Because the pulling force of copper line is very big when the mechanism of winding wire winds, anchor clamps compress tightly cylinder 274 and are used for pushing down the stator core anchor clamps 7 of adorning straight bar stator core 6 for stator core anchor clamps 7 can not pulled by the copper line when straight bar stator core 6 winds, can not pulled out anchor clamps roating seat 26 by the copper line.

The wire clamping and trimming mechanism 3 comprises a wire clamping lifting seat 35, a wire clamping lifting cylinder 31, a wire clamping translation cylinder 32, a wire clamping translation seat 34, a trimming knife lifting cylinder 33, a trimming lifting seat 363 and a wire clamping and trimming assembly 36, wherein the wire clamping lifting seat 35 is arranged on the frame 1 in a vertical sliding manner, the wire clamping lifting cylinder 31 is arranged on the frame 1 and drives the wire clamping lifting seat 35 to lift, the wire clamping translation seat 34 is horizontally arranged on the wire clamping lifting seat 35 along the front-back direction of the frame 1 in a sliding manner, the wire clamping translation cylinder 32 is arranged on the wire clamping lifting seat 35 and drives the wire clamping translation seat 34 to slide, the wire trimming lifting seat 363 is arranged on the wire clamping translation seat 34 in a vertical sliding manner, the trimming knife lifting cylinder 33 is arranged on the wire clamping translation seat 34 and drives the wire trimming lifting seat 363 to lift, the wire clamping and trimming assembly 36 comprises a wire clamping lifting guide rod 365, a wire clamping lifting slide block 364 and a trimming knife 362, the wire clamping lifting guide rod 365 is vertically arranged on the wire clamping translation seat 34, the wire clamping block 366 is arranged at the top end of the wire clamping lifting guide rod 365, the wire clamping lifting slide block 364 is arranged on the wire clamping lifting guide rod 365 in a vertically sliding mode and is located below the wire clamping block 366, a jacking spring 3611 is arranged between the bottom end of the wire clamping lifting slide block 364 and the wire clamping translation seat 34, the wire shearing lifting seat 363 is arranged on the wire clamping lifting slide block 364 in a vertically sliding mode, the wire shearing knife 362 is arranged on the wire shearing lifting seat 363, and the cutting edge of the wire shearing knife 362 faces upwards towards the wire clamping block 366.

The wire clamping lifting cylinder 31 is characterized in that a cylinder rod of the wire clamping lifting cylinder 31 vertically faces downwards, a connecting seat 371 is arranged on the cylinder rod of the wire clamping lifting cylinder 31, a plurality of lifting guide optical shafts 37 are arranged on the connecting seat 371, guide shaft sleeves 38 are arranged on the frame 1 corresponding to the lifting guide optical shafts 37, the lifting guide optical shafts 37 vertically penetrate through the guide shaft sleeves 38 upwards, and the wire clamping lifting seat 35 is arranged at the upper end of the lifting guide optical shafts 37 and is located above the wire clamping lifting cylinder 31. The cylinder rod of the wire clamping lifting cylinder 31 extends up and down to drive the lifting guide optical axis to slide up and down, so that the wire clamping lifting seat 35 ascends or descends.

The gap between the wire clamping lifting slide block and the wire clamping block is a wire clamping opening 367, and the cutting edge of the wire cutter 362 faces upwards to the wire clamping opening 367. The wire cutting machine drives the wire clamping lifting slide block and the wire cutting knife 362 to lift together through the wire cutting knife lifting cylinder, and cuts a copper wire while clamping the wire, so that the wire cutting machine is quick in wire cutting action and high in wire cutting efficiency.

The cutting edge of the trimming blade 362 is located at the top end of the trimming blade 362, and the cutting edge of the trimming blade 362 is aligned with the clipping opening 367. Therefore, when the trimming blade 362 slides upward, the blade of the trimming blade 362 can smoothly cut the copper wire, and the clipping opening 367 does not interfere with the sliding of the trimming blade 362.

The level of the cutting edge of trimming sword 362 is higher than the level on double-layered line lifting slide top to when trimming lift seat stops rising when guaranteeing, when the top of double-layered line lifting slide compresses tightly the copper line completely promptly, trimming sword 362 also carries out the tangent line, thereby avoids the copper line not fixed, influences tangential efficiency and quality.

The jacking spring 3611 is sleeved on the wire clamping lifting guide rod 365, so that the jacking spring is firmly positioned and works stably.

The wire clamping lifting slider 364 is provided with a guide hole 3610 corresponding to the wire clamping lifting guide rod 365, and the wire clamping lifting guide rod 365 is arranged on the guide hole 3610 in a penetrating manner.

The side wall of the wire clamping lifting slider 364 is provided with a first jacking protrusion 368 corresponding to the wire cutting lifting seat 363, the side wall of the wire clamping lifting slider is provided with a third jacking protrusion 369 corresponding to the wire cutting knife 362, the lower end of the wire cutting knife 362 abuts against the third jacking protrusion 369, and the lower end of the wire cutting lifting seat 363 abuts against the first jacking protrusion 368. When the lifting spring jacks up the wire clamping lifting slide block, the wire shearing knife is also jacked up together, so that the wire shearing knife also ascends in advance, and the wire cutting speed of the wire shearing knife is high.

The thread clamping lifting slider 364 is located between the thread trimming cutter 362 and the thread trimming lifting seat 363, the thread trimming lifting seat 363 and the thread trimming cutter 362 are respectively located on the rear side and the front side of the thread trimming lifting seat 363, and the thread clamping lifting slider guides the thread trimming cutter and the thread trimming lifting seat to slide up and down on the thread trimming cutter and the thread trimming lifting seat, so that the thread trimming cutter and the thread trimming lifting seat are lifted stably.

The rear side of the upper end of the wire clamping lifting slider 364 is provided with a second lifting protrusion 360 corresponding to the wire cutting lifting seat 363. The wire cutting lifting seat utilizes the second jacking bulge to push the wire clamping lifting sliding block to ascend, so that the top end of the wire clamping lifting sliding block completely clamps the copper wire.

The thread clamping lifting guide rod, the thread clamping lifting slide block and the thread trimming knife form thread clamping and thread trimming components 36, three groups of thread clamping and thread trimming components 36 are arranged on the thread clamping translation seat, each group of thread clamping and thread trimming components corresponds to a corresponding thread winding needle, and thread clamping and thread trimming are carried out on the thread winding needles.

Winding mechanism 4 includes mount pad 41, lift servo motor 43, translation servo motor 42, horizontal sliding seat 44, lift sliding seat 45, first belt pulley drive 430, second belt pulley drive 420, main sliding seat 46 and winding needle 47, lift sliding seat 45 slides along vertical direction and locates on mount pad 41, lift servo motor 43 locates on mount pad 41 to be connected with lift sliding seat 45 transmission, horizontal sliding seat 44 slides along the horizontal direction and locates on mount pad 41, translation servo motor 42 locates on mount pad 41 to be connected with horizontal sliding seat 44 transmission, winding needle 47 locates on main sliding seat 46, horizontal sliding seat 44 is located to the vertical slip of main sliding seat 46, and horizontal slip locates on lift sliding seat 45, winding needle 47 locates on main sliding seat 46. When the winding mechanism winds and hangs the wire, the lifting servo motor rotates forwards to drive the winding needle to ascend firstly, after the lifting servo motor is in place, the translation servo motor rotates forwards to drive the winding needle to move leftwards, after the lifting servo motor rotates backwards again to drive the winding needle to descend, and after the lifting servo motor rotates backwards to drive the winding needle to move rightwards, so that the winding needle completes one-time rotary motion, namely, the copper wire winds a circle on the wire slot of the straight stator core, and one-time winding action is completed.

First belt pulley drive 430 includes first belt 434, first piece 433, first band pulley 431 and second band pulley 432 of smuggleing secretly, first band pulley 431 and second band pulley 432 all rotate and locate on mount pad 41, first band pulley 431 sets up with second band pulley 432 one on one, first belt 434 is connected first band pulley 431 and second band pulley 432, first piece 433 of smuggleing secretly is located on lift slide 45, first piece 433 of smuggleing secretly is connected with first belt 434.

Second belt pulley drive 420 includes that second belt 424, second smuggle piece 423, third band pulley 421 and fourth band pulley 422 secretly, third band pulley 421 and fourth band pulley 422 all rotate and locate on mount pad 41, third band pulley 421 sets up on the mount pad with fourth band pulley 422 a left side right side, third band pulley 421 and fourth band pulley 422 are connected to second belt 424, the second is smuggled piece 423 and is connected with second belt 424 secretly, the second is smuggled piece 423 and is located on horizontal slip seat 44 secretly.

The lifting sliding seat 45 is provided with a horizontal guide rail 451, the horizontal sliding seat 44 is provided with a vertical guide rail 441, the main sliding seat 46 is vertically slidably arranged on the vertical guide rail 441 and horizontally slidably arranged on the horizontal guide rail 451, so that the winding needle 47 can stably move in a horizontal and lifting manner.

The winding needles 47 of the winding mechanism 4 are three winding needles 47 arranged at intervals along the horizontal direction, so that the three-phase servo motor can be wound in three lines. The stator core of the three-phase servo motor is provided with a plurality of wire grooves, and when the winding machine of the invention performs three-wire parallel winding, every three wire grooves are taken as a group for winding.

The present invention is a more specific embodiment.

The stator core clamp comprises a first clamping plate 71 and a second clamping plate 72, wherein the second clamping plate 72 is arranged on the first clamping plate 71 in a vertical sliding mode, a plurality of clamping claws 76 are arranged on the second clamping plate 72 along the length direction of the second clamping plate, a plurality of clamping plates 75 are arranged on the first clamping plate along the length direction of the first clamping plate, a lifting guide push rod 74 is arranged on the second clamping plate 72, a guide hole is formed in the first clamping plate 71 corresponding to the lifting guide push rod 74, the lifting guide push rod 74 downwards penetrates through the guide hole, a folding spring 73 is sleeved on the lifting guide push rod 74, the bottom end of the folding spring 73 abuts against the lower end of the lifting guide push rod 74, the top end of the folding spring 73 abuts against the first clamping plate 71, and the second clamping plate 72 and the first clamping plate 71 are driven to be folded by the elasticity of the. When a worker wants to install the stator core on the stator core fixture, the worker needs to overcome the elastic force of the folding spring 73 so as to separate the second clamping plate 72 from the first clamping plate 71, then the bottom of the straight stator core is seated on the clamping plates 75, then the worker loosens the second clamping plate, the clamping jaws 76 of the second clamping plate 72 clamp the top of the straight stator core under the elastic force of the folding spring 73, and thus the straight stator core is installed on the stator core fixture. On the contrary, the straight stator core can be removed by separating the second clamping plate 72 from the first clamping plate 71.

The working principle of the invention is as follows:

before winding, a worker firstly pulls copper wires, the worker pulls the copper wires on a wire barrel to the three winding needles 47 of the winding mechanism 4 through the wire inlet tensioning mechanism 8, the wire clamping blocks 366 and the wire clamping lifting slide block 364 of the wire clamping and cutting mechanism 3 clamp the ends of the three copper wires, after the wires are clamped, the wire clamping and cutting mechanism 3 descends, the lifting servo motor drives the winding needles to ascend, the three copper wires are elongated, the worker installs a clamp provided with a straight stator core 6 on the clamp rotating seat 26 of the stator core feeding mechanism 2 in advance, specifically, the worker overcomes the elasticity of a press buckle spring 264, lifts clamp press buckles 263 at two ends of the clamp rotating seat 26, places the two ends of the clamp in clamp positioning grooves 262, then releases the clamp press buckles 263, and the clamp press buckles 263 buckle 263 downwards at two ends of a stator core clamp 7.

When the winding device starts winding, the winding mechanism 4 and the stator core feeding mechanism 2 are started, the front and rear feeding servo motor 21 drives the front and rear feeding moving seat 22 to slide backwards, meanwhile, the left and right feeding servo motor 23 drives the left and right feeding moving seat 24 to move rightwards, the straight stator core 6 is gradually close to the winding needle 47, meanwhile, the lifting servo motor 43 drives the lifting sliding seat 45 to slide upwards and downwards, the translation servo motor 42 drives the horizontal sliding seat 44 to horizontally slide leftwards and rightwards until the first group of wire slots 61 of the straight stator core 6 are aligned with the positions of the three winding needles 47, and then the straight stator core 6 does not slide any more. Thereafter, the clamp pressing cylinder 274 is driven by the translation cylinder 271 to slide rightward until the clamp pressing cylinder 274 is driven by the translation cylinder 271 to slide above the stator core clamp 7, then the clamp pressing cylinder 274 drives the pressing block 275 to descend, and the pressing block 275 presses the stator core clamp 7 downward. In addition, the rotation preventing cylinder 281 locks the angles and positions of the jig rotating base 26, the stator core jig, and the straight bar stator core 6.

Then, the winding mechanism 4 starts winding, the lifting servo motor 43 drives the lifting slide seat 45 to slide up and down in a reciprocating manner, and at the same time, the translation servo motor 42 drives the horizontal slide seat 44 to slide horizontally in a reciprocating manner left and right, so that the main slide seat 46 drives the three winding needles 47 to rotate, and the three winding needles 47 wind on the first group of slots 61 of the straight stator core 6.

After the first group of winding slots 61 are wound with copper wires, the clamp pressing cylinder 274 drives the pressing block 275 to rise, the pressing block 275 does not press the stator core clamp 7 any more, then the anti-rotation cylinder 281 loosens the clamp rotating seat 26, the clamp rotating servo motor 25 drives the clamp rotating seat 26, the stator core clamp 7 and the straight stator core 6 rotate towards the front side of the rack 1 to keep the straight stator core 6 inclined, then the left and right feeding servo motors 23 drive the left and right feeding moving seats 24 to slide to the right for the distance of three winding slots, the three copper wires cross the first group of winding slots and reach the position of the second group of winding slots 62, and the second group of winding slots 62 of the straight stator core 6 are aligned with the positions of the three winding pins 47. Then the lifting servo motor 43 and the translation servo motor 42 drive the winding needle to do a rotary motion, and at the same time, the fixture rotating servo motor 25 drives the straight stator core 6 to rotate and reset towards the rear side of the rack 1, so as to keep the straight stator core 6 upright, and the three copper wires are wound on the second group of wire slots 62. Thereafter, the rotation preventing cylinder 281 locks the jig rotating base 26 again, the jig pressing cylinder 274 drives the pressing block 275 to descend, and the pressing block 275 presses the stator core jig 7 downward.

Then, the winding mechanism 4 is started again to perform fast winding on the second group of wire slots.

When a next group of wire slots are wound, the winding needles 47 are required to perform wire hanging firstly, and when the wire is hung, the fixture rotating servo motor 25 drives the straight stator core 6 to rotate towards the front side of the rack to keep the straight stator core 6 inclined, so that the three winding needles 47 pull three copper wires to hang the wire. And when winding at every turn, all need anchor clamps to compress tightly stator core anchor clamps 7 downwards with prevent that commentaries on classics cylinder 281 fixes anchor clamps roating seat 26 to when preventing the wire winding, stator core anchor clamps 7 are pulled out anchor clamps roating seat 26 by the copper line and stator core anchor clamps 7 rotate, influence the wire winding precision.

As described above, the winding mechanism repeatedly winds each set of the next following slots until the last set of slots of the straight stator core 6 is wound, then the winding mechanism 4 stops winding, the clamp pressing cylinder 274 drives the pressing block 275 to rise, then the left and right feeding servo motors 23 drive the straight stator core 6 to move to the right, at the same time, the clamp rotating servo motor 25 drives the straight stator core 6 to rotate to the front side of the frame 1, the translation servo motor 42 drives the winding needle to move to the left by the distance of one slot, the winding needle carries a copper wire to hang the wire, then the clamp rotating servo motor 25 drives the straight stator core 6 to rotate to the back side of the frame 1 to reset, the straight stator core 6 is kept vertical, the lifting servo motor drives the winding needle to rise to be flush with the stator core 6, and then the front and back feeding servo motors 21 drive the straight stator core 6 to slide forward by a distance, the straight stator core 6 is far away from the winding needles, and the copper wires between the straight stator core and the winding needles are elongated, so that the three winding needles 47 finally pull the copper wires to perform a wire hanging action.

After the wire is too good, the wire clamping and trimming mechanism 3 is started, then the wire clamping translation cylinder 32 drives the wire clamping translation seat 34 to slide forwards, then the wire trimming cutter lifting cylinder 33 drives the wire trimming lifting seat 363 to descend, the jacking spring 3611 is compressed, so that the wire clamping lifting slider 364 is separated from the wire clamping block 366, the wire clamping opening 367 is opened, and then the wire clamping lifting cylinder 31 drives the wire clamping lifting seat 35 to ascend to the same height of a copper wire and stop. At this time, the trimming knife 362 and the clipping block 366 are located between the straight stator core 6 and the winding needle, then the translation servo motor 42 drives the winding needle to slide to the right, the left and right feeding servo motor 23 also drives the straight stator core 6 to move to the right, so that the copper wires between the straight stator core 6 and the winding needle 47 are hung at the clipping opening 367, the three copper wires are respectively hung at the clipping openings 367 of the three clipping and trimming assemblies 36, then the trimming knife lifting cylinder 33 drives the trimming lifting seat 363 to ascend, the lifting spring 3611 is restored and lifts the clipping lifting slide 364, the three clipping lifting slides 364 push the trimming lifting seat 363 and the three trimming knives 362 to ascend together, the clipping lifting slide 364 and the clipping block 366 clip the copper wires at the clipping opening 367 in advance, the clipping lifting slide stops ascending, then the trimming knife lifting cylinder 33 also drives the trimming lifting seat 363 and the three trimming knives 362 to ascend, the three trimming knives 362 and the trimming lifting seat 363 continue to ascend under the driving of the trimming knife lifting cylinder 33, when the trimming lifting seat 363 pushes the second jacking protrusion upwards to ascend together, the trimming lifting seat 363 and the trimming knives 362 stop ascending, the trimming lifting seat 363 pushes against the wire clamping lifting slide block 364, so that the wire clamping lifting slide block 364 keeps clamping the copper wires, and meanwhile, the three trimming knives 362 cut off the copper wires at the wire clamping opening 367.

After the wire is cut, the wire clamping translation cylinder 32 drives the wire clamping translation seat 34 to slide backwards, the wire shearing cutter lifting cylinder 33 drives the wire shearing cutter to descend, meanwhile, the lifting servo motor 43 drives the lifting sliding seat 45 to slide upwards, and the copper wire is stretched upwards, so that the copper wire is tensioned, and a certain length is reserved. Further, after the wire is cut, the other mechanisms are reset to prepare for winding of the next straight stator core 6.

Claims (10)

1. A needle type winding machine for straight stator cores comprises a frame, wherein a stator core feeding mechanism, a wire clamping and cutting mechanism and a winding mechanism are arranged on the frame,

the stator core feeding mechanism is used for conveying, fixing and rotating the straight stator cores so that the winding mechanism can wind the straight stator cores;

the winding mechanism is used for winding the straight stator iron core;

and the wire clamping and shearing mechanism is used for shearing the copper wires between the straight stator core and the winding mechanism and clamping the sheared copper wires.

2. The straight bar stator core needle type winding machine according to claim 1, wherein the winding mechanism comprises a mounting seat, a lifting servo motor, a translation servo motor, a horizontal sliding seat, a lifting sliding seat, a main sliding seat and a winding needle, the lifting sliding seat is slidably arranged on the mounting seat along a vertical direction, the lifting servo motor is arranged on the mounting seat and is in transmission connection with the lifting sliding seat, the horizontal sliding seat is slidably arranged on the mounting seat along a horizontal direction, the translation servo motor is arranged on the mounting seat and is in transmission connection with the horizontal sliding seat, the winding needle is arranged on the main sliding seat, the main sliding seat is slidably arranged on the horizontal sliding seat vertically and is slidably arranged on the lifting sliding seat horizontally, and the winding needle is arranged on the main sliding seat.

3. The straight bar stator core needle type winding machine according to claim 2, further comprising a first belt pulley transmission mechanism and a second belt pulley transmission mechanism, wherein the first belt pulley transmission mechanism comprises a first belt, a first belt pulley and a second belt pulley, the first belt pulley and the second belt pulley are arranged on the mounting seat in a vertically-arranged mode, the first belt is connected with the first belt pulley and the second belt pulley, and the lifting sliding seat is fixedly connected with the first belt; the second belt pulley transmission mechanism comprises a second belt, a third belt pulley and a fourth belt pulley, the third belt pulley and the fourth belt pulley are arranged on the mounting seat in a left-right mode, the third belt pulley and the fourth belt pulley are connected through the second belt, and the horizontal sliding seat is fixedly connected with the second belt.

4. The straight bar stator core needle type winding machine according to claim 1, wherein the stator core feeding mechanism comprises a front and rear feeding servo motor, a front and rear feeding moving seat, a left and right feeding servo motor, a left and right feeding moving seat, a jig rotating servo motor and a jig rotating seat, the front and rear feeding moving seat is horizontally slidably provided on the frame in the front and rear direction, the front and rear feeding servo motor is provided on the frame and drivingly connected to the front and rear feeding moving seat, the left and right feeding moving seat is horizontally slidably provided on the front and rear feeding moving seat in the left and right direction of the frame, the left and right feeding servo motor is provided on the front and rear feeding moving seat and drivingly connected to the left and right feeding moving seat, the jig rotating seat is rotatably provided on the left and right feeding moving seats in the vertical direction, the jig rotating servo motor is provided on the left and right feeding moving, and is in driving connection with the fixture rotating seat.

5. The straight bar stator core needle type winding machine according to claim 4, wherein the fixture rotating base is U-shaped, two ends of the fixture rotating base are provided with a fixture positioning groove and a fixture pressing buckle, the fixture pressing buckle is rotatably arranged beside the fixture positioning groove in the vertical direction, and a pressing buckle spring is arranged between the fixture pressing buckle and the fixture rotating base.

6. The straight strip stator core needle type winding machine according to claim 4, further comprising an anti-rotation assembly, wherein the anti-rotation assembly comprises an anti-rotation cylinder, a bearing seat and a rotating shaft, the bearing seat is arranged on the left and right feeding moving seats, the rotating shaft is rotatably arranged on the bearing seat, one end of the rotating shaft is connected with the fixture rotating seat, and a locking fixture block is arranged on the other end, corresponding to the rotating shaft, of a cylinder rod of the anti-rotation cylinder.

7. The straight strip stator core needle type winding machine according to claim 4, further comprising a clamp pressing assembly, wherein the clamp pressing assembly comprises a clamp pressing cylinder and a translation cylinder, the clamp pressing cylinder is horizontally slidably disposed on the front and rear feeding moving seats along the left and right directions of the frame, the translation cylinder is disposed on the front and rear feeding moving seats and drives the clamp pressing cylinder to slide, the clamp pressing cylinder is disposed above the clamp rotating seat, and a pressing block is disposed on a cylinder rod of the clamp pressing cylinder.

8. The straight strip stator core needle type winding machine according to claim 1 or 2, wherein the thread clamping and cutting mechanism comprises a thread clamping translation seat, a thread cutting knife lifting cylinder, a thread cutting lifting seat, a thread clamping lifting guide rod, a thread clamping lifting slider and a thread cutting knife, the thread cutting lifting seat is vertically slidably arranged on the thread clamping translation seat, the thread cutting knife lifting cylinder is vertically arranged on the thread clamping translation seat and drives the thread cutting lifting seat to lift, the thread clamping lifting guide rod is vertically arranged on the thread clamping translation seat, the thread clamping lifting slider is vertically slidably arranged on the thread clamping lifting guide rod and is provided with a thread clamping block, the thread clamping lifting slider is vertically slidably arranged on the thread clamping lifting guide rod and is positioned below the thread clamping block, a jacking spring is arranged between the bottom end of the thread clamping lifting slider and the thread clamping translation seat, the thread cutting seat is vertically slidably arranged on the thread clamping lifting slider, the thread cutting knife is arranged on the thread cutting lifting seat, and the cutting edge of the thread cutting knife faces upwards towards the thread clamping block, the cutting edge of the thread trimmer is positioned below the thread clamping block.

9. The straight bar stator core needle type winding mechanism according to claim 8, further comprising a wire clamping lifting seat, a wire clamping lifting cylinder and a wire clamping translation cylinder, wherein the wire clamping lifting seat is slidably arranged on the frame up and down, the wire clamping lifting cylinder is arranged on the frame and drives the wire clamping lifting seat to lift, the wire clamping translation seat is slidably arranged on the wire clamping lifting seat horizontally along the front-back direction of the frame, and the wire clamping translation cylinder is arranged on the wire clamping lifting seat and drives the wire clamping translation seat to slide horizontally.

10. The straight strip stator core needle type winding machine according to claim 4, wherein the wire clamping lifting guide rod, the wire clamping lifting slide block and the wire shearing knife form a wire clamping and shearing assembly, and three sets of the wire clamping and shearing assemblies are arranged on the wire clamping translation seat.

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