CN214753375U - Winding device of three-needle type straight bar winding machine - Google Patents

Abstract

The utility model provides a winding device of a three-needle type straight bar winding machine, which comprises a machine head and a winding driving device, wherein the winding driving device is in transmission connection with the machine head, the machine head is provided with at least three wire nozzles, and the wire nozzles are internally provided with lead channels; a plurality of stators can be fixed on the clamping device simultaneously in linear arrangement, and every line mouth corresponds carries out the wire winding at each stator, improves work efficiency.

Description

Winding device of three-needle type straight bar winding machine

Technical Field

The utility model relates to a coiling machine technical field especially relates to a winding device of straight strip coiling machine of three pin formulas.

Background

The winding machine is equipment for winding a linear object on a specific workpiece, is usually used for winding a copper wire, most of electric appliance products need to be wound into an inductance coil by using an enameled copper wire (short for enameled wire) at the present stage, and the winding machine can be used for finishing one or more processing steps, such as various motors, coreless motors, rotors, stators, pin inductors, chip inductors, transformers, electromagnetic valves, linear inductors, resistance sheets, ignition coils, RFID (radio frequency identification devices), mutual inductors, acoustic coils, IC (integrated circuit) card high-low frequency coils, focusing coils and the like.

Stator winding machine among the prior art is usually for carrying out the wire winding to single sectional type motor stator, and every 3 or 4 ends of a thread weld and constitute U, V, W threephase after together in the wire winding, just so produce a large amount of ends of a thread and need weld, increased work load, improved labour cost, reduced work efficiency.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a coiling device of straight strip coiling machine of three pin types to solve the problem that coiling machine wire winding is inefficient among the prior art.

In order to achieve the above object, the utility model provides a following technical scheme:

the winding device of the three-needle type straight bar winding machine comprises a machine head and a winding driving device, wherein the winding driving device is in transmission connection with the machine head, at least three wire nozzles are arranged on the machine head, and a lead channel is arranged inside each wire nozzle.

The utility model discloses an among the possible embodiment, the aircraft nose includes X axle movable plate, Y axle movable plate, Z axle movable plate, Y axle movable plate and the workstation of the straight strip coiling machine of three pin types are along Y axle direction sliding connection, X axle movable plate with Y axle movable plate is along X axle direction sliding connection, Z axle movable plate with X axle movable plate is along Z axle direction sliding connection, winding drive arrangement respectively with X axle movable plate Y axle movable plate and Z axle movable plate transmission is connected, line mouth fixed connection be in on the Z axle movable plate.

In a possible embodiment of the present invention, the winding driving device includes an X-axis motor, a Y-axis motor and a Z-axis motor, the Y-axis motor is in transmission connection with the Y-axis movable plate, and the Y-axis motor is fixedly connected with the worktable; the X-axis motor is in transmission connection with the X-axis movable plate, and the X-axis motor is fixedly connected with the Y-axis movable plate; the Z-axis motor is in transmission connection with the Z-axis movable plate, and the Z-axis motor is fixedly connected with the X-axis movable plate.

The utility model discloses an in a possible embodiment, fixed surface is connected with the Y axle guide rail on the workstation, the Y axle guide rail sets up along Y axle direction, the Y axle movable plate with Y axle guide rail is along Y axle direction sliding connection.

The utility model discloses an among the possible embodiment, fixedly connected with X axle guide rail on the Y axle movable plate, X axle guide rail sets up along X axle direction, X axle guide rail with the Y axle guide rail is perpendicular, X axle guide rail with Y axle guide rail level sets up, Y axle movable plate with X axle guide rail is along X axle direction sliding connection.

The utility model discloses an among the possible embodiment, high fixedly connected with Z axle guide rail on the X axle movable plate, Z axle guide rail sets up along Z axle direction, Z axle guide rail respectively with X axle guide rail and Y axle guide rail is perpendicular, the vertical setting of Z axle guide rail, Z axle movable plate with Z axle guide rail is along Z axle direction sliding connection.

In a possible embodiment of the present invention, the X-axis movable plate is fixedly connected with a lead frame, the nozzle is fixedly connected to one end of the lead frame, the nozzle is located outside the lead frame, the other end of the lead frame is provided with a lead hole corresponding to the nozzle, and the lead hole runs through the lead frame.

In a possible embodiment of the present invention, the nozzle includes a lead tube and a fixing seat, the lead channel is located in and runs through the lead tube, the lead tube is connected with the lead frame by screw threads.

In a possible embodiment of the invention, the feed-through tube has elasticity.

In a possible embodiment of the invention, the distance between the wire hole and the wire guiding channel is L1, the length of the wire guiding tube is L2, wherein L2< L1.

Drawings

Fig. 1 is a schematic structural view of a three-pin type straight bar winding machine according to an embodiment of the present invention;

FIG. 2 is a schematic structural view of the three-pin type straight bar winding machine in FIG. 1 from another view angle;

fig. 3 is a schematic structural diagram of a winding device in an embodiment of the present invention;

FIG. 4 is a schematic view of the winding device of FIG. 3 from another perspective;

FIG. 5 is an enlarged view of a portion of the X-ray plate of FIG. 3;

FIG. 6 is a cross-sectional view taken along line A-A of FIG. 5;

fig. 7 is a schematic structural view of a clamping device in an embodiment of the present invention;

fig. 8 is a schematic structural diagram of a positioning device in an embodiment of the present invention;

fig. 9 is a schematic structural view of a clipping device according to an embodiment of the present invention;

FIG. 10 is a simplified diagram of a portion of a collective clamping and shearing device according to an embodiment of the present invention;

fig. 11 is a schematic structural diagram of a tensioning device in an embodiment of the present invention.

Description of reference numerals:

100. a work table;

200. a winding device;

210. a machine head; 211. a thread nozzle; 212. a wire passage; 213. a lead frame; 214. a wire hole; 215. a lead tube; 216. a fixed seat;

220. a winding drive device; 221. an X-axis motor; 222. a Y-axis motor; 223. a Z-axis motor;

230. an X-axis movable plate; 240. a Y-axis movable plate; 250. a Z-axis movable plate; 260. a Y-axis guide rail; 270. an X-axis guide rail; 280. a Z-axis guide rail;

300. a clamping device;

310. installing a clamping plate;

320. a turnover driving device; 321. turning over a motor;

330. fixing the clamping block; 340. a sliding clamping block; 350. a fixed mount; 360. a turnover plate; 370. clamping the motor;

380. a positioning device; 381. a locking cylinder; 382. positioning blocks; 383. a pressing cylinder; 384. a moving cylinder; 385. a slide rail; 386. a slide base;

400. a clipping device;

410. a clamp shear drive device; 411. a pinch shear motor;

420. a fixed block; 421. shearing a groove;

430. a movable block; 431. cutting the block;

440. a clamping groove;

450. a lifting plate; 451. a guide post;

460. a lifting cylinder;

500. a tensioning device;

510. a sliding wire wheel; 520. fixing the wire wheel;

530. an elastic member; 531. a compression spring;

540. tensioning the slide block; 550. an electromagnetic brake; 560. a slide bar; 570. a support frame.

Detailed Description

Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present application, and should not be construed as limiting the present application.

In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the present application.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those skilled in the art as the case may be.

The following describes embodiments of the present invention with reference to fig. 1 to 11.

Referring to fig. 1 and 2, in some embodiments of the present invention, a three-pin type straight bar winding machine is provided, including a worktable 100, a winding device 200, a clamping device 300, a clamping and shearing device 400 and a tensioning device 500, wherein the winding device 200, the clamping device 300 and the clamping and shearing device 400 are respectively mounted on an upper surface of the worktable 100; the winding device 200 comprises a machine head 210 and a winding driving device 220, the winding driving device 220 is in transmission connection with the machine head 210, at least three wire nozzles 211 are arranged on the machine head 210, and a lead channel 212 is arranged in each wire nozzle 211; the clamping device 300 comprises a clamping plate 310 and an overturning driving device 320, the clamping plate 310 can rotate around a horizontal axis relative to the workbench 100, and the overturning driving device 320 is in transmission connection with the clamping plate 310; the clamping and shearing device 400 comprises a fixed block 420, a movable block 430 and a clamping and shearing driving device 410, wherein the fixed block 420 is fixedly connected with the clamping and shearing driving device 410, the movable block 430 is in transmission connection with the clamping and shearing driving device 410, the fixed block 420 and the movable block 430 are arranged side by side along the horizontal direction, and the clamping and shearing driving device 410 is used for driving the movable block 430 to approach or separate from the fixed block 420; the clamping and shearing device 400 is positioned between the winding device 200 and the clamping device 300; the tensioning device 500 is located on the side of the winding device 200 remote from the pinch-shear device 400, and the tensioning device 500 is used to tension the wire entering the wire guide channel 212.

The embodiment of the utility model provides a straight strip coiling machine of three pin formulas, in the use, fix the stator on clamping device 300, then pass overspeed device tensioner 500 with the wire, overspeed device tensioner 500 carries out the tensioning and straightens the wire, the wire leads to winding device 200 after the tensioning, the wire gets into aircraft nose 210 after, insert lead wire passageway 212 and pass line mouth 211, wear out from earlier mouth and then pass the clamp and cut device 400, the wire gets into behind the clamp and cuts device 400, the clamp cuts drive arrangement 410 drive movable block 430 and moves towards the direction that is close to fixed block 420, the movable block 430 cliies the wire after foldeing with fixed block 420, then will press from both sides the wire of cutting between device 400 and the line mouth 211 and wind on the stator. A plurality of stators can be fixed on clamping device 300 simultaneously in linear arrangement, and every line mouth 211 corresponds carries out the wire winding at each stator, improves work efficiency. After a group of stators is wound, the machine head 210 pulls the wires between the wire nozzle 211 and the stators to the clamping and shearing device 400, the clamping and shearing device 400 shears the wires, and the clamping and shearing device 400 clamps the wires while shearing the wires, so that the wires are prevented from retracting into the wire nozzle 211 and are kept in a tensioning state.

Referring to fig. 3 and 4, in a possible implementation manner of this embodiment, the handpiece 210 includes an X-axis movable plate 230, a Y-axis movable plate 240, and a Z-axis movable plate 250, the Y-axis movable plate 240 is slidably connected to the worktable 100 along the Y-axis direction, the X-axis movable plate 230 is slidably connected to the Y-axis movable plate 240 along the X-axis direction, the Z-axis movable plate 250 is slidably connected to the X-axis movable plate 230 along the Z-axis direction, the winding driving device 220 is respectively connected to the X-axis movable plate 230, the Y-axis movable plate 240, and the Z-axis movable plate 250 in a transmission manner, and the nozzle 211 is fixedly connected to the Z-axis movable plate 250.

With the above possible implementation manner of the present embodiment, the X-axis, the Y-axis, and the Z-axis are three coordinate axes in a rectangular spatial coordinate system, and the winding driving device 220 drives the X-axis movable plate 230, the Y-axis movable plate 240, and the Z-axis movable plate 250 to move along the X-axis, the Y-axis, and the Z-axis, respectively. When the winding driving device 220 drives the Y-axis movable plate 240 to move along the Y axis, the X-axis movable plate 230 and the Z-axis movable plate 250 synchronously move along the Y axis, and when the winding driving device 220 drives the X-axis movable plate 230 to move along the X axis, the Z-axis movable plate 250 synchronously moves along the X axis, and finally, the spatial movement speed and the movement direction of the nozzle 211 can be controlled by controlling the movement speeds of the X-axis movable plate 230, the Y-axis movable plate 240 and the Z-axis movable plate 250, so that the nozzle 211 is driven to move along a preset spatial route, and the preset spatial route can be a straight line or a curve.

In a possible implementation manner of this embodiment, the winding driving device 220 includes an X-axis motor 221, a Y-axis motor 222, and a Z-axis motor 223, the Y-axis motor 222 is in transmission connection with a Y-axis movable plate 240, and the Y-axis motor 222 is fixedly connected with the worktable 100; the X-axis motor 221 is in transmission connection with the X-axis movable plate 230, and the X-axis motor 221 is fixedly connected with the Y-axis movable plate 240; the Z-axis motor 223 is in transmission connection with the Z-axis movable plate 250, and the Z-axis motor 223 is fixedly connected with the X-axis movable plate 230.

Through the above possible embodiment modes of this embodiment, the X-axis motor 221, the Y-axis motor 222, and the Z-axis motor 223 may adopt linear motors or rotary motors, when a rotary motor is adopted, a synchronous belt is used for transmission, the motor drives the synchronous belt to move, and the synchronous belt pulls the movable plate to move. When a linear motor is adopted, the motor is directly connected with the movable plate to drive the movable plate to move. The Y-axis motor 222 drives the Y-axis moving plate 240 to move along the Y-axis, thereby driving the X-axis moving plate 230, the X-axis motor 221, the Z-axis moving plate 250, and the Z-axis motor 223 to move along the Y-axis. The X-axis motor 221 drives the X-axis movable plate 230 to move along the X-axis, thereby driving the Z-axis movable plate 250 and the Z-axis motor 223 to move along the X-axis. The Z-axis motor 223 drives the Z-axis movable plate 250 to move along the Z-axis, and finally controls the moving direction and the moving speed of the nozzle 211 by respectively controlling the transmission speeds of the X-axis motor 221, the Y-axis motor 222 and the Z-axis motor 223.

In a possible implementation manner of this embodiment, a Y-axis guide 260 is fixedly connected to the upper surface of the table 100, the Y-axis guide 260 is disposed along the Y-axis direction, and the Y-axis moving plate 240 is slidably connected to the Y-axis guide 260 along the Y-axis direction.

Through the above possible embodiments of this embodiment, the Y-axis guide rail 260 can guide the Y-axis movable plate 240, so that the Y-axis movable plate 240 slides more smoothly and the moving direction is more accurate.

In a possible implementation manner of this embodiment, the Y-axis moving plate 240 is fixedly connected with an X-axis guide rail 270, the X-axis guide rail 270 is disposed along the X-axis direction, the X-axis guide rail 270 is perpendicular to the Y-axis guide rail 260, the X-axis guide rail 270 is disposed horizontally to the Y-axis guide rail 260, and the Y-axis moving plate 240 is slidably connected with the X-axis guide rail 270 along the X-axis direction.

Through the above possible embodiment modes of the present embodiment, the X-axis guide 270 can guide the X-axis moving plate 230, so that the X-axis moving plate 230 slides more stably and the moving direction is more accurate.

In a possible implementation manner of this embodiment, a Z-axis guide rail 280 is fixedly connected to the X-axis movable plate 230, the Z-axis guide rail 280 is disposed along the Z-axis direction, the Z-axis guide rail 280 is perpendicular to the X-axis guide rail 270 and the Y-axis guide rail 260, the Z-axis guide rail 280 is disposed vertically, and the Z-axis movable plate 250 and the Z-axis guide rail 280 are slidably connected along the Z-axis direction.

Through the above possible embodiments of the present embodiment, the Z-axis guide rail 280 can guide the Z-axis moving plate 250, so that the Z-axis moving plate 250 slides more stably and the moving direction is more accurate.

Referring to fig. 5 and 6, in a possible implementation manner of this embodiment, a lead frame 213 is fixedly connected to the X-axis moving plate 230, the nozzle 211 is fixedly connected to one end of the lead frame 213, the nozzle 211 is located outside the lead frame 213, a lead hole 214 corresponding to the nozzle 211 is formed in the other end of the lead frame 213, and the lead hole 214 penetrates through the lead frame 213.

With the above possible embodiments of the present embodiment, the diameter of the lead passage 212 is smaller than that of the lead hole 214, and the lead frame 213 spaces the lead hole 214 and the nozzle 211 at a distance, so that the wire can enter the lead passage 212 straightly, and the friction force between the wire and the edge of the port of the lead passage 212 when the wire enters the lead passage 212 is reduced.

In one possible embodiment of this embodiment, the nozzle 211 comprises a lead tube 215 and a fixing base 216, the lead channel 212 is located in the lead tube 215 and penetrates through the lead tube, and the lead tube 215 is screwed to the lead frame 213.

With the above possible embodiments of the present embodiment, the lead tube 215 is screwed to the lead frame 213, so that the lead tube 215 can be easily attached to the lead frame 213 or detached from the lead frame 213, thereby facilitating maintenance and replacement of the nozzle 211.

In one possible implementation of this embodiment, the lead tube 215 is resilient.

Through the possible embodiment modes of the present embodiment, the lead tube 215 is made of a stainless steel tube, which has good corrosion resistance and prevents the lead from being scratched by the rust slag generated on the surface. In the process that the wire twines on the stator, the wire can form the contained angle with the axis of lead wire pipe 215, and the wire rubs with the port edge of lead wire pipe 215, because lead wire pipe 215 has elasticity, consequently, lead wire pipe 215 can deviate the axis bending after receiving the extrusion of wire, forms the arc, makes the wire smooth transition crooked, and the degree of buckling reduces to reduce the wire and the friction at lead wire pipe 215 port edge, reduce the wearing and tearing and the scratch that the wire received.

In one possible implementation of the present embodiment, the distance between the wire hole 214 and the wire passage 212 is L1, and the length of the wire tube 215 is L2, wherein L2< L1.

With the above possible embodiment modes of the present embodiment, in order to improve the elastic performance of the lead tube 215, the wall thickness of the lead tube 215 is set to about 0.5mm, so that the lead tube 215 is not too long, which may result in insufficient rigidity of the lead tube 215 and excessive bending after being pressed by the lead. The length of the lead tube 215 is set at about 25mm, in order to enable the lead wire to pass through the lead tube 215 more straightly, after the lead wire passes through the lead hole 214, the lead wire needs to be straightened by a longer distance, and through experimental comparison, the distance between the lead hole 214 and the lead tube 215 needs to be larger than 50mm, the lead wire winding effect meets the requirement, meanwhile, the distance between the lead tube 215 and the wire hole is not too large, and the structure is compact.

Referring to fig. 7 and fig. 8, in a possible implementation manner of the present embodiment, the clamping device 300 further includes a fixing frame 350, the fixing frame 350 is fixedly connected to the upper surface of the worktable 100, the clamping plate 310 is rotatably connected to the fixing frame 350, the clamping plate 310 is horizontal relative to a central axis of rotation of the fixing frame 350, the turnover driving device 320 includes a turnover motor 321, the turnover motor 321 is fixedly connected to the fixing frame 350, and the turnover motor 321 is in transmission connection with the clamping plate 310.

Through the above possible embodiment mode of this embodiment, fix the stator on clamping device 300 in-process, the upset motor 321 moves clamping plate 310 and overturns to fixed station up before, and the staff of being convenient for fixes the stator on clamping plate 310, and after the stator is fixed to be accomplished, upset drive arrangement 320 drives clamping plate 310 again and overturns to fixed station towards line mouth 211, the line mouth 211 of being convenient for twines the wire on the stator.

In a possible implementation manner of this embodiment, the clamping plate 310 includes a turning plate 360, a fixed clamping block 330 and a sliding clamping block 340, the turning plate 360 is rotatably connected to the fixed frame 350, and the turning motor 321 is in transmission connection with the turning plate 360; the fixed clamping block 330 is fixedly connected with the turnover plate 360, the sliding clamping block 340 is slidably connected with the turnover plate 360, and the sliding clamping block 340 can be close to or far away from the fixed clamping block 330 after sliding relative to the turnover plate 360.

By the above possible embodiment modes of the present embodiment, in the process of fixing the stator on the clamping plate 310, the stator is placed on the turnover plate 360, the stator is located between the fixed clamping block 330 and the sliding clamping block 340, the sliding clamping block 340 is pushed towards the direction close to the fixed clamping block 330, and the sliding clamping block 340 presses the stator on the fixed clamping block 330, so that the stator is limited to move in the direction parallel to the sliding direction of the sliding clamping block 340.

In a possible implementation manner of this embodiment, the clamping device 300 further includes a clamping motor 370, the clamping motor 370 is fixedly connected to the fixed frame 350, and the clamping motor 370 is in transmission connection with the sliding clamping block 340.

By the above possible embodiment modes of the present embodiment, after the stator is placed between the fixed clamping block 330 and the sliding clamping block 340, the clamping motor 370 can drive the sliding clamping block 340 to move towards the direction close to or away from the fixed clamping block 330, so as to automatically press the stator on the fixed clamping block 330.

In one possible embodiment of this embodiment, the slide block is horizontally slidably connected to the flipping panel 360.

Through the above possible embodiment modes of the present embodiment, the plurality of wire mouths 211 are arranged side by side along the horizontal direction, therefore, the stators need to be combined together side by side along the horizontal direction and then fixed on the turnover plate 360, and after the number of the stators is adjusted, the distance between the fixed clamping block 330 and the sliding clamping block 340 needs to be changed, therefore, the clamping motor 370 is used to drive the sliding clamping block 340 to move along the horizontal direction to change the distance between the sliding clamping block 340 and the fixed clamping block 330, so as to adapt to the total length of the stator after the number is adjusted.

In a possible implementation manner of this embodiment, the clamping device 300 further includes a positioning device 380, and the positioning device 380 abuts against the turning plate 360 to limit the rotation of the turning plate 360.

Through the above possible embodiment mode of this embodiment, in the winding process, the wire has certain tightness on the stator winding, and the stator receives the pulling force effect by the winding dynamics, especially when the stator quantity of wire winding is more simultaneously, the total effort that returning face plate 360 received is great, therefore the torque that produces is also great. The positioning device 380 abuts against or clamps the main turnover plate 360 to limit the rotation of the turnover plate 360, so that the stability of the stator in the winding process is improved.

In a possible implementation manner of this embodiment, the positioning device 380 includes a locking cylinder 381 and a positioning block 382, the locking cylinder 381 is fixedly connected to the fixing frame 350, the positioning block 382 is in transmission connection with the locking cylinder 381, and the locking cylinder 381 drives the positioning block 382 to move into the range of the rotation space of the turnover plate 360 and abuts against the turnover plate 360 to limit the rotation of the turnover plate 360.

Through the above possible embodiment mode of this embodiment, locking cylinder 381 and locating piece 382 are located the top of returning face plate 360, and returning face plate 360 overturns to vertical state after, fix the stator on returning face plate 360 towards line mouth 211, and at this moment, locking cylinder 381 drive locating piece 382 downstream to returning face plate 360 keep away from one side of stator, and locating piece 382 keeps away from the one side butt of stator with returning face plate 360 to restriction returning face plate 360 rotates.

In a possible implementation manner of this embodiment, the positioning device 380 further includes a pressing cylinder 383, the pressing cylinder 383 is located above the turnover plate 360, and the pressing cylinder 383 is used for pressing the stator on the turnover plate 360 downwards.

Through the above possible embodiment modes of this embodiment, the clamping motor 370 can drive the sliding clamping block 340 to press the stator on the fixing clamping block 330 in the horizontal direction, but in the winding process, the lead generates pulling force or pushing force to the stator periodically in the 360 direction, in the winding process, the piston rod of the pressing cylinder 383 moves downward to press the upper surface of the stator, the lower surface of the stator abuts against the horizontal step surface on the turnover plate 360, so as to limit the stator to move in the vertical direction, one surface of the stator far away from the wire nozzle 211 abuts against the surface of the turnover plate 360, so the stator can only move in the direction close to the wire nozzle 211, but under the pressing constraint of the pressing cylinder 383 and the clamping motor 370, the stator can be limited to move in the direction close to the wire nozzle 211 by friction force.

In a possible implementation manner of this embodiment, the positioning device 380 further includes a moving cylinder 384, the moving cylinder 384 is fixedly connected with the fixed frame 350, the pressing cylinder 383 is horizontally slidably connected with the fixed frame 350, and the moving cylinder 384 is drivingly connected with the pressing cylinder 383.

Through the above possible embodiment modes of this embodiment, since the number of the stators may be changed, in order to make the compressing cylinder 383 compress the stator more stably, the position where the compressing cylinder 383 compresses the stator needs to be located on the upper surface of the center of the stator assembly, at this time, the moving cylinder 384 drives the compressing cylinder 383 to horizontally move to a position right above the center of a group of stators, and the piston rod of the compressing cylinder 383 moves downward and then can compress the upper surface of the center of the stator assembly.

In a possible implementation manner of this embodiment, the positioning device 380 further includes a slide rail 385 and a slide seat 386, the slide rail 385 is fixedly connected with the fixed frame 350, the slide rail 385 is horizontally disposed, the pressing cylinder 383 is fixedly connected with the slide seat 386, the slide seat 386 is horizontally slidably connected with the slide rail 385, and the moving cylinder 384 is drivingly connected with the slide seat 386.

Through the above possible embodiment modes of the present embodiment, the slider can guide the sliding seat 386, so that the sliding process of the sliding seat 386 is more stable.

Referring to fig. 9 and 10, in a possible implementation manner of this embodiment, a gap is formed between the surfaces of the fixed block 420 and the movable block 430, the gap forms a clamping groove 440, a cutting groove 421 is formed on the fixed block 420, a cutting block 431 corresponding to the cutting groove 421 is fixedly connected to the movable block 430, the cutting block 431 and the cutting groove 421 are respectively located inside the clamping groove 440, and after the movable block 430 and the fixed block 420 are closed, the cutting block 431 is inserted into the cutting groove 421.

With the above possible embodiments of this embodiment, after the wire passes through the clamping groove 440, the movable block 430 presses the wire against the fixed block 420, and the cutout 431 is inserted into the cutout groove 421, so that the wire is cut off, and after the wire is cut off, the movable block 430 and the fixed block 420 still clamp the wire.

In one possible implementation of this embodiment, the depth of cutout 421 is greater than the diameter of the wire, and the length of cutout 431 is greater than twice the diameter of the wire.

By means of the above-mentioned possible embodiments of the present embodiment, the cutout 431 is designed to be knife-edged, and the wire can be cut off after the cutout 431 is inserted into the cutout groove 421.

In a possible implementation manner of this embodiment, the clamping and shearing device 400 further includes a lifting plate 450, the lifting plate 450 is connected with the workbench 100 in a sliding manner along a vertical direction, the fixed block 420 is fixedly connected with the lifting plate 450, the clamping and shearing driving device 410 includes a clamping and shearing motor 411, the clamping and shearing motor 411 is in transmission connection with the movable block 430, and the clamping and shearing motor 411 is fixedly connected with the lifting plate 450.

By the above possible embodiments of this embodiment, the clipping device 400 is located below the turning plate 360 to make room for the winding movement of the nozzle 211. When the wires need to be clipped and cut, the lifting plate 450 moves upwards to enable the movable block 430 and the fixed block 420 to be close to the stator, so that the wire mouth 211 can conveniently pull the wires to be clipped into the clipping groove 421, the wires can be kept in a straight state relative to the clipping groove 421 when being clipped into the clipping groove 421, and clipping and clamping operations are convenient.

In a possible implementation manner of this embodiment, the clamping and shearing device 400 further includes a lifting cylinder 460 and a guide post 451, the guide post 451 is fixedly connected to the workbench 100, the guide post 451 is vertically disposed, the lifting plate 450 is slidably connected to the guide post 451 along a vertical direction, the lifting cylinder 460 is fixedly connected to the workbench 100, and the lifting cylinder 460 is in transmission connection with the lifting plate 450.

Through the above possible embodiment modes of the present embodiment, the lifting cylinder 460 can drive the lifting plate 450 to ascend or descend, and the guide posts 451 can guide the lifting plate 450, so that the ascending or descending process of the lifting plate 450 is more stable.

Referring to fig. 11, in a possible implementation manner of this embodiment, the tensioning device 500 includes a supporting frame 570, a sliding pulley 510, a fixed pulley 520, an elastic member 530, and a tensioning slider 540, the supporting frame 570 is fixedly connected to the worktable 100, the sliding pulley 510 is rotatably connected to the tensioning slider 540, the tensioning slider 540 is slidably connected to the supporting frame 570, the fixed pulley 520 is fixedly connected to the supporting frame 570, one end of the elastic member 530 is fixedly connected to the supporting frame 570, the other end of the elastic member 530 is fixedly connected to the tensioning slider 540, and the sliding pulley 510 and the fixed pulley 520 are respectively located at two ends of the elastic member 530.

Through the above possible embodiment mode of the present embodiment, the wire is wound on the fixed pulley 520, then wound on the sliding pulley 510, and after wound around the sliding pulley 510, the bending angle of the wire with respect to the direction entering the fixed pulley 520 is greater than 150 degrees, and finally the wire penetrates into the wire hole 214, when the tension of the wire is increased, the pressure generated by the wire on the sliding pulley 510 pushes the sliding pulley 510 to move towards the direction close to the fixed pulley 520, the tensioning slider 540 compresses the elastic member 530, and when the tension of the wire is reduced, the elastic member 530 pushes the tensioning slider 540 to move towards the direction far from the fixed pulley 520, so that the tension of the wire is increased, and the wire is buffered, and the wire is prevented from being broken due to the excessive instantaneous tension.

In a possible implementation manner of this embodiment, the tensioning device 500 further includes an electromagnetic brake 550, the electromagnetic brake 550 is fixedly connected to the supporting frame 570, the electromagnetic brake 550 is located at one end of the elastic member 530 far away from the sliding pulley 510, and the fixed pulley 520 is located between the sliding pulley 510 and the electromagnetic brake 550.

Through the above possible embodiment modes of the present embodiment, the electromagnetic brake 550 brakes the wire by using the electromagnetic damping principle, and there are a plurality of electromagnetic braking modes in practical application, and the following modes are adopted in the present embodiment but not limited to this mode: set up a runner on support frame 570, the runner rotates with support frame 570 to be connected, the inside hollow structure that is of runner, fixed connection magnet on the inner wall of runner, the inside coil that sets up in support frame 570 fixed connection of runner, the both ends of coil are closed, produce the magnetic field that changes around the coil when the runner is rotatory to at the inside electric current that produces of coil, the electric current produces the magnetic field around the coil again, thereby the magnetic field interact of the magnetic field that the electric current produced and magnet reduces the kinetic energy of runner. By using the principle, the wire is drawn from the sliding wire wheel 510 to the rotating wheel and wound on the rotating wheel, and finally penetrates into the wire nozzle 211, so that the multi-tensioning control of the wire is realized. When the elastic member 530 or the tension slider 540 is stuck, the battery brake can continuously control the tension of the wire.

In a possible embodiment of this embodiment, the tensioning device 500 further includes a sliding rod 560, the sliding rod 560 is fixedly connected to the supporting frame 570, and the tensioning slider 540 is slidably connected to the sliding rod 560.

Through the above possible embodiment modes of the present embodiment, the sliding rod 560 can guide the tensioning slider 540, so that the tensioning slider 540 slides more stably, the sliding direction of the tensioning slider 540 is more accurate, and the phenomenon that the magnitude of the received elastic force is too large due to the included angle between the sliding direction and the elastic deformation direction of the elastic member 530 is avoided.

In a possible implementation manner of this embodiment, the elastic member 530 includes a compression spring 531, the compression spring 531 is sleeved on the sliding rod 560, the compression spring 531 is slidably connected to the sliding rod 560, and two ends of the compression spring 531 are fixedly connected to the tensioning slider 540 and the supporting frame 570, respectively.

Through the above possible embodiment modes of the present embodiment, the sliding rod 560 can guide the compression spring 531, and the central axis is always kept consistent with the elastic deformation direction after the compression spring 531 is elastically deformed, so as to avoid the overlarge change of the received elastic force caused by the included angle generated between the sliding direction and the elastic deformation direction of the compression spring 531.

The above embodiments are merely illustrative of the present invention, and are not intended to limit the present invention, and those skilled in the art can make modifications without inventive contribution to the embodiments of the present invention as needed after reading the present specification, but all the embodiments of the present invention are protected by patent laws within the scope of the claims of the present invention.

Claims (10)

1. The winding device of the three-needle type straight bar winding machine is characterized by comprising a machine head and a winding driving device, wherein the winding driving device is in transmission connection with the machine head, at least three wire nozzles are arranged on the machine head, and a lead channel is arranged inside each wire nozzle.

2. The winding device of the three-pin straight bar winding machine according to claim 1, wherein the machine head comprises an X-axis movable plate, a Y-axis movable plate and a Z-axis movable plate, the Y-axis movable plate is connected with the worktable of the three-pin straight bar winding machine in a sliding manner along a Y-axis direction, the X-axis movable plate is connected with the Y-axis movable plate in a sliding manner along an X-axis direction, the Z-axis movable plate is connected with the X-axis movable plate in a sliding manner along a Z-axis direction, the winding driving device is respectively connected with the X-axis movable plate, the Y-axis movable plate and the Z-axis movable plate in a transmission manner, and the nozzle is fixedly connected to the Z-axis movable plate.

3. The winding device of the three-pin straight bar winding machine according to claim 2, wherein the winding driving device comprises an X-axis motor, a Y-axis motor and a Z-axis motor, the Y-axis motor is in transmission connection with the Y-axis movable plate, and the Y-axis motor is fixedly connected with the workbench; the X-axis motor is in transmission connection with the X-axis movable plate, and the X-axis motor is fixedly connected with the Y-axis movable plate; the Z-axis motor is in transmission connection with the Z-axis movable plate, and the Z-axis motor is fixedly connected with the X-axis movable plate.

4. The winding device of the three-pin straight bar winding machine according to claim 3, wherein a Y-axis guide rail is fixedly connected to the upper surface of the working table, the Y-axis guide rail is arranged along the Y-axis direction, and the Y-axis movable plate is slidably connected with the Y-axis guide rail along the Y-axis direction.

5. The winding device of the three-pin straight bar winding machine according to claim 4, wherein the Y-axis movable plate is fixedly connected with an X-axis guide rail, the X-axis guide rail is arranged along the X-axis direction, the X-axis guide rail is perpendicular to the Y-axis guide rail, the X-axis guide rail is horizontally arranged with the Y-axis guide rail, and the Y-axis movable plate is connected with the X-axis guide rail in a sliding manner along the X-axis direction.

6. The winding device of the three-pin straight bar winding machine according to claim 5, wherein a Z-axis guide rail is fixedly connected to the X-axis movable plate, the Z-axis guide rail is arranged along a Z-axis direction, the Z-axis guide rail is perpendicular to the X-axis guide rail and the Y-axis guide rail, the Z-axis guide rail is arranged vertically, and the Z-axis movable plate is slidably connected with the Z-axis guide rail along the Z-axis direction.

7. The winding device of the three-pin straight bar winding machine according to claim 2, wherein a lead frame is fixedly connected to the X-axis movable plate, the nozzle is fixedly connected to one end of the lead frame, the nozzle is located on the outer side of the lead frame, and a lead hole corresponding to the nozzle is formed in the other end of the lead frame and penetrates through the lead frame.

8. The winding device according to claim 7, wherein the nozzle comprises a lead tube and a fixing seat, the lead channel is located in the lead tube and penetrates through the lead tube, and the lead tube is in threaded connection with the lead frame.

9. The winding device for the three-pin straight bar winding machine according to claim 8, wherein the lead tube has elasticity.

10. The winding device of the three-pin straight bar winding machine according to claim 9, wherein the distance between the lead hole and the lead channel is L1, the length of the lead tube is L2, wherein L2< L1.

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