CN112821693A - Automatic winding equipment and method for motor coil - Google Patents
Automatic winding equipment and method for motor coil Download PDFInfo
- Publication number
- CN112821693A CN112821693A CN202110096563.5A CN202110096563A CN112821693A CN 112821693 A CN112821693 A CN 112821693A CN 202110096563 A CN202110096563 A CN 202110096563A CN 112821693 A CN112821693 A CN 112821693A
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- enameled wire
- sliding
- fixedly connected
- clamping plate
- clamping
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/04—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of windings, prior to mounting into machines
- H02K15/0435—Wound windings
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/08—Forming windings by laying conductors into or around core parts
- H02K15/085—Forming windings by laying conductors into or around core parts by laying conductors into slotted stators
Abstract
The invention belongs to the technical field of winding equipment, and particularly relates to automatic winding equipment and a winding method for a motor coil, which comprise a rack and a pay-off reel; one side of the rack is fixedly connected with a shell through a support, the bottom of the shell is fixedly connected with an air cylinder, the top of a piston rod of the air cylinder is provided with a clamping plate, one side, close to the piston rod, of the clamping plate is provided with a first sliding hole, and the end part of the piston rod is sleeved in the first sliding hole and is in sliding sealing connection with the first sliding hole; the top of the shell is fixedly connected with a top plate through a support at a position corresponding to the clamping plate, one side of the first sliding hole, which is far away from the pay-off disc, is communicated with a sliding cylinder, a push rod is slidably connected in the sliding cylinder, and the end part of the push rod is connected with an annular clamping unit through a shifting fork; according to the invention, the clamping plate is pushed by the cylinder to slide upwards and clamp the enameled wire, and then the clamping unit is pushed to stretch the enameled wire, so that the enameled wire is straightened and stretched to generate plastic deformation, the hardness of the enameled wire after cold drawing is increased, and the production efficiency of the winding equipment is further improved.
Description
Technical Field
The invention belongs to the technical field of winding equipment, and particularly relates to automatic winding equipment and a winding method for a motor coil.
Background
In the manufacturing process of the motor coil, the winding is generally performed by manually operating a winding machine. However, the manual operation efficiency is low, the time consumption is long, the work is tedious and repeated, the product quality is influenced by the operation proficiency of workers, especially when the number of winding turns is counted manually, because the motor needs to rotate forwards and backwards uninterruptedly during winding, errors often occur in manual counting, and the production efficiency is seriously influenced.
Some technical solutions related to winding equipment also appear in the prior art, for example, a chinese patent with application number 2018113502574 discloses an automatic winding equipment and a winding method for a motor coil, which includes a coil rack, a wire feeding mechanism, a frame, a pinch-off mechanism and a winding mechanism; the winding mechanism comprises a winding device for clamping and winding a copper wire and a winding former fixing device for clamping and rotating the winding former; the winding device comprises a winding mechanical arm, a rotating wheel, a lifting module and a translation module; the winding former fixing device comprises a rotating motor, a bearing, a second rotating connection assembly, a coil sleeve and a locking mechanism. According to the winding device, the winding is performed by utilizing the lifting of the winding mechanical arm in the winding device and the rotating reciprocation of the winding former fixing device, so that the winding step is simplified into two single reciprocating processes, and the production efficiency is effectively improved.
Still disclose a wire straightener like chinese patent application No. 2012206905812, including parallel arrangement's mounting panel and fly leaf, mounting panel straight line equidistance is provided with a plurality of fixed pulley, straight line equidistance is provided with a plurality of movable pulley on the fly leaf, movable pulley sets up relative fixed pulley interval, fixed pulley and the global alignment groove that is provided with wire width looks adaptation of movable pulley, the slip that the fly leaf can be close to and keep away from relative fixed pulley, be provided with apart from adjustment mechanism and interim opening mechanism on the fly leaf, interim opening mechanism includes fly leaf canceling release mechanical system that fly leaf opening mechanism and supplementary fly leaf opened, fly leaf opening mechanism includes the cam, the global another side of laminating with fly leaf relative fixed pulley of cam is laminated, the side of fly leaf and cam laminating is the curved surface, the cam can be relative mounting panel circumferential direction rotation. With the adoption of the scheme, the utility model provides a compress tightly even, rational in infrastructure wire straightener.
But among the prior art through drawing forth the back with the enameled wire in the drawing drum, after applying the pretightning force through the tensioning unit, carry out the wire winding operation to the stator coil former through the wire winding unit, nevertheless the enameled wire of drawing forth from the drawing drum is free bending state, and then makes the enameled wire be difficult to quick alignment and penetrate pin hole and tensioning unit, causes threading efficiency beneath, influences the wire winding efficiency after the drawing drum is changed.
Therefore, the invention provides automatic winding equipment and a winding method for a motor coil.
Disclosure of Invention
In order to make up for the defects of the prior art and solve the problems that after an enameled wire in a pay-off reel is led out and a pre-tightening force is applied by a tensioning unit, the winding operation is carried out on a stator coil frame by a winding unit, but the enameled wire led out from the pay-off reel is in a free bending state, so that the enameled wire is difficult to align quickly and penetrate into a lead hole and the tensioning unit, the threading efficiency is low, and the winding efficiency after the pay-off reel is replaced is influenced in the prior art, the invention provides automatic winding equipment and a winding method for a motor coil.
The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to automatic winding equipment for a motor coil, which comprises a rack and a pay-off reel; the pay-off reel is rotatably connected to one side of the rack, the other side of the rack is rotatably connected with a stator coil rack, and a winding unit is arranged on one side of the stator coil rack; one side of the rack is fixedly connected with a shell through a support, the bottom of the shell is fixedly connected with an air cylinder, the top of a piston rod of the air cylinder is provided with a clamping plate, one side, close to the piston rod, of the clamping plate is provided with a first sliding hole, and the end part of the piston rod is sleeved in the first sliding hole and is in sliding sealing connection with the first sliding hole; the top of the shell is fixedly connected with a top plate through a support at a position corresponding to the clamping plate, one side, away from the pay-off disc, of the first sliding hole is communicated with a sliding cylinder, a push rod is connected in the sliding cylinder in a sliding mode, the end portion of the push rod is connected with an annular clamping unit through a shifting fork, and the clamping unit is embedded into an annular groove in one side, away from the push rod, of the shifting fork; a pair of driving wheels is rotatably connected in the shell at one side of the clamping unit, which is far away from the sliding cylinder; when the device works, after the enameled wire in the pay-off reel is led out in the prior art, pretightening force is applied through the tensioning unit, the winding operation is carried out on the stator coil rack through the winding unit, but the enameled wire led out from the pay-off reel is in a free bending state, so that the enameled wire is difficult to align rapidly and penetrate into a lead hole and the tensioning unit, the threading efficiency is low, and the winding efficiency after the pay-off reel is replaced is influenced, at the moment, the invention fixes the bent enameled wire head led out from the pay-off reel on the clamping unit after penetrating through the clamping plate, then pushes the clamping plate to slide upwards through the cylinder and clamp the enameled wire, then the cylinder continues to extrude upwards, and further drives the push rod to stretch out of the sliding cylinder through hydraulic oil in the first sliding hole, so that the shifting fork pushes the enameled wire of the clamping unit, the enameled wire, and further, the efficiency of aligning the enameled wire and penetrating the tensioning unit and the winding unit is increased, and the production efficiency of the winding equipment is further improved.
Preferably, the clamping unit comprises a slip ring and a wedge block; one side of the slip ring, which is far away from the shifting fork, is provided with a tapered hole, and wedge blocks are uniformly distributed on the inner periphery of the tapered hole in the circumference and are in sliding connection with the tapered hole; the outer periphery of the slip ring is fixedly connected with an outer gear ring, a driving motor is fixedly connected to the position, corresponding to the outer gear ring, on the shifting fork, and a gear fixedly connected with an output shaft of the driving motor is meshed with the outer gear ring; after chucking the enameled wire through the wedge, the push rod promotes the shift fork and removes to the direction of keeping away from the slide cartridge, and then make the wedge slide along the bell mouth under the drive of shift fork, later the wedge is close to the direction removal and the enameled wire in the extrusion slip ring of center to the slip ring, and then continuously press from both sides tight enameled wire, it is rotatory that driving motor drives the gear simultaneously, gear drive outer gear ring is rotatory, and then the drive slip ring is constantly rotatory around self axis, make the slip ring drive the enameled wire with the wedge and constantly twist reverse at the tensioning in-process, further increase the torsional deformation of enameled wire in the tensile process, increase the cold drawing hardening effect on enameled wire surface, further increase the alignment efficiency of enameled wire, increase the efficiency that the enameled wire passed stretch-draw unit and winding unit, save threading time, further increase the efficiency that winding equipment changed.
Preferably, one side of the sliding cylinder is rotatably connected with a guide wheel through a support, the top of the shell is slidably connected with a cutter through a support, and one side of the cutter is fixedly connected with a protrusion; a sliding plug is connected in a sliding hole II horizontally formed in the support in a sliding manner and clamps the bottom of the protrusion; a pressure spring is fixedly connected between the sliding plug and the bottom of the second sliding hole; one side of the shifting fork, which is close to the sliding cylinder, is fixedly connected with a pull rope through a tension spring, and the pull rope is fixedly connected with a fixed pin on the cutter after bypassing the guide wheel; a cutter holder is fixedly connected with the position, corresponding to the cutter, in the shell; after the enameled wire is driven to extend and be aligned through the push rod, the tension spring is pulled by the shifting fork, the tension spring is lengthened and stored, meanwhile, the tension spring drives the pull rope to tighten and obliquely downwards pull the cutter, the cutter slides downwards on the support and is close to the enameled wire, then, the protrusion on the cutter extrudes the sliding plug, the sliding plug loses the support for the protrusion after sliding in the second sliding hole, the elastic potential energy of the tension spring converts the kinetic energy of the cutter movement, the cutter slides downwards at an accelerated speed and is matched with the cutter holder to rapidly cut off the enameled wire, and then, the end part of the enameled wire deformed due to clamping of the clamping unit is cut off, the straightness of the end part of the enameled wire is further guaranteed, the efficiency of aligning the enameled wire and penetrating through the tensioning unit and the winding unit is increased, the threading time is further saved, and the.
Preferably, a group of first holes are uniformly distributed on one side of the slip ring and on the circumference of the corresponding position of the tapered hole, a push rod is connected in each first hole in a sliding mode, one end of each push rod penetrates through each first hole and is in contact with the wedge block, and the other end of each push rod extends to the outside of each first hole; the cutter slides downwards to abut against the ejector rod; when the cutter slided downwards and cut off the enameled wire, the inclined plane of cutter one side supports the ejector pin for the ejector pin slides to one side that is close to the wedge in a hole, and then makes the cutter cut off the enameled wire after, the ejector pin promotes the wedge and slides fast, makes the wedge follow the taper hole and relax the clamping-force to the enameled wire after sliding to the direction of keeping away from the shift fork, further increases the efficiency of centre gripping unit discharge waste material, reduces the influence of waste discharge to the enameled wire lead wire.
Preferably, a clamping plate is arranged in a cavity formed in one side of the wedge-shaped block close to the center of the sliding ring, and the middle part of the clamping plate is hinged with the inner wall of the cavity through a rotating pin; the length of the clamping plate on one side of the rotating pin close to the cavity is greater than that of the other side of the rotating pin; the enameled wire is clamped by the end, close to the center of the slip ring, of the clamping plate, the end of the clamping plate is embedded into the enameled wire, friction force between the wedge-shaped block and the enameled wire is further increased, slipping in the process of stretching and straightening the enameled wire is reduced, and straightening efficiency of the enameled wire is increased.
Preferably, one side of the cavity close to the slip ring is fixedly connected with an electromagnet, and the electromagnet is connected with a power supply through a controller; a travel switch is fixedly connected to the cutter holder at a position corresponding to the fixing pin, and the travel switch is connected with a power supply through a controller; when the cutter cut off the enameled wire completely, the fixed pin contact triggered travel switch, and then made the circular telegram of controller control electro-magnet and attract the cardboard for cardboard anticlockwise rotation and relax the centre gripping to the enameled wire waste material, further increase the efficiency of centre gripping unit discharge waste material.
Preferably, one side of the clamping plate, which is far away from the cavity, is fixedly connected with an arc-shaped plate, one side of the arc-shaped plate, which is far away from the clamping plate, is uniformly distributed with a group of anti-skid grains, and the middle parts of the anti-skid grains are fixedly connected with spines; a butterfly-shaped bag is fixedly connected to one side of the clamping plate, which is far away from the electromagnet, and is communicated with a vent hole formed in the clamping plate, and one end of the vent hole penetrates through the spine; through arc cooperation anti-skidding line, make the cardboard block and press from both sides tight enameled wire when at the uniform velocity rotation, increase the tight effect of clamp plate to the clamp of enameled wire, reduce the cardboard rotate with the enameled wire vertical position after and between the enameled wire not hard up, cooperate spine extrusion enameled wire and card simultaneously and go into the depressed part in the enameled wire, further reduce skidding of enameled wire, when cardboard clockwise turning and relaxing the enameled wire, the butterfly bag receives to extrude the back through the air vent exhaust, further increase the clearance effect of the insulating varnish that drops on the enameled wire of adhesion on the anti-skidding line, increase the frictional force between anti-skidding line and the enameled wire.
A winding method of a motor coil is used for the automatic winding equipment of the motor coil, and comprises the following steps:
s1, leading out the enameled wire wound on the pay-off reel, penetrating the enameled wire between the clamping plate and the top plate, penetrating the enameled wire through the clamping unit, clamping the enameled wire by the clamping unit, inflating the enameled wire into the air cylinder, pushing the piston rod to slide out by the air cylinder, driving the clamping plate to clamp the enameled wire by the piston rod, and simultaneously driving the clamping unit to stretch the enameled wire by the push rod to obtain an enameled wire which is tensioned, stretched and straightened;
s2, when the shifting fork is ejected out through the push rod, the driving motor drives the slip ring to rotate, and the enameled wire is twisted;
s3, after the push rod is completely stretched straight, pulling the cutter through the pull rope, enabling the protrusion on the cutter to quickly slide downwards after the protrusion on the cutter passes through the sliding plug, then quickly cutting off the enameled wire through the cutter, and removing the deformation part clamped by the clamping unit on the enameled wire;
and S4, one side of the straightened enameled wire passes through the winding unit after passing through the driving unit, and then the winding operation of the stator coil rack is completed through the winding unit.
The invention has the following beneficial effects:
1. according to the automatic winding device and the automatic winding method for the motor coil, the bent enameled wire head led out from the pay-off reel penetrates through the clamping plate and then is fixed on the clamping unit, then the clamping plate is pushed by the cylinder to slide upwards to clamp the enameled wire, then the cylinder continues to extrude upwards, and further the push rod is driven by the hydraulic oil in the first sliding hole to extend out of the sliding cylinder, so that the shifting fork pushes the clamping unit to stretch the enameled wire, the enameled wire is straightened and stretched to generate plastic deformation, the hardness of the enameled wire after cold drawing is increased, the efficiency of the enameled wire aligning and penetrating through the stretching unit and the winding unit is increased, and the production efficiency of the winding device is further improved.
2. The invention relates to automatic winding equipment and a winding method of a motor coil, after an enameled wire is clamped by a wedge-shaped block, a push rod pushes a shifting fork to move towards a direction far away from a sliding barrel, so that the wedge block slides along the tapered hole under the driving of the shifting fork, then the wedge block moves towards the direction of the slip ring close to the center and extrudes the enameled wire in the slip ring, thereby continuously clamping the enameled wire, simultaneously driving the motor to drive the gear to rotate, driving the gear to drive the outer gear ring to rotate, and then the drive sliding ring is constantly rotatory around self axis for the sliding ring drives the enameled wire constantly to twist reverse at the tensioning in-process together with the wedge, further increases the torsional deformation of enameled wire in tensile in-process, increases the cold drawing hardening effect on enameled wire surface, further increases the alignment efficiency of enameled wire, increases the efficiency that the enameled wire passed stretch-draw unit and wire winding unit, saves the threading time, further increases the efficiency that coiling equipment changed the drawing drum.
3. According to the automatic winding equipment and the winding method for the motor coil, the arc-shaped plate is matched with the anti-slip patterns, so that the clamping plate rotates at a constant speed when clamping and clamping the enameled wire, the clamping effect of the clamping plate on the enameled wire is increased, the looseness between the clamping plate and the enameled wire after the clamping plate rotates to be perpendicular to the enameled wire is reduced, the clamping plate is matched with the sharp spines to extrude the enameled wire and is clamped into the concave part of the enameled wire, the slipping of the enameled wire is further reduced, when the clamping plate rotates clockwise and loosens the enameled wire, the butterfly-shaped bag exhausts air through the vent after being extruded, the cleaning effect of insulating paint falling on the enameled wire adhered to the anti-slip patterns is further increased, and the friction force between the anti-slip.
Drawings
The invention will be further explained with reference to the drawings.
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a cross-sectional view of the housing of the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 2 at A;
FIG. 4 is an enlarged view of a portion of FIG. 2 at B;
FIG. 5 is a schematic view of the slip ring of the present invention;
FIG. 6 is an enlarged view of a portion of FIG. 5 at C;
FIG. 7 is a flow chart of a winding method of the present invention;
in the figure: the device comprises a rack 1, a pay-off reel 11, a stator coil rack 12, a shell 13, a cylinder 14, a piston rod 15, a clamping plate 16, a first sliding hole 17, a top plate 18, a sliding cylinder 2, a push rod 21, a shifting fork 22, a clamping unit 3, an annular groove 23, a driving wheel 24, a sliding ring 31, a wedge block 32, a tapered hole 33, an outer gear ring 34, a driving motor 35, a gear 36, a guide wheel 4, a support 41, a cutter 42, a protrusion 43, a second sliding hole 44, a sliding plug 45, a tension spring 46, a pull rope 47, a fixing pin 48, a tool apron 49, a first hole 5, a top rod 51, a cavity 52, a clamping plate 53, a rotating pin 54, an electromagnet 55, an arc-shaped plate 56, an anti-skid pattern 57.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1 to 7, the automatic winding device for the motor coil according to the present invention includes a frame 1 and a pay-off reel 11; the pay-off spool 11 is rotatably connected to one side of the rack 1, the other side of the rack 1 is rotatably connected with a stator coil rack 12, and a winding unit is arranged on one side of the stator coil rack 12; a shell 13 is fixedly connected to one side of the rack 1 through a support, an air cylinder 14 is fixedly connected to the bottom of the shell 13, a clamping plate 16 is arranged at the top of a piston rod 15 of the air cylinder 14, a first sliding hole 17 is formed in one side, close to the piston rod 15, of the clamping plate 16, and the end portion of the piston rod 15 is sleeved into the first sliding hole 17 and is in sliding sealing connection with the first sliding hole 17; a top plate 18 is fixedly connected to the position, corresponding to the clamping plate 16, of the top of the shell 13 through a support, a sliding cylinder 2 is communicated with one side, away from the pay-off reel 11, of the first sliding hole 17, a push rod 21 is connected in the sliding cylinder 2 in a sliding mode, the end portion of the push rod 21 is connected with an annular clamping unit 3 through a shifting fork 22, and the clamping unit 3 is embedded into an annular groove 23, away from one side, away from the push rod 21, of the shifting; a pair of driving wheels 24 are rotatably connected to the housing 13 at one side of the clamping unit 3 away from the slide drum 2; when the device works, after the enameled wire in the pay-off reel 11 is led out, and a pretightening force is applied through the tensioning unit in the prior art, the winding operation is performed on the stator coil rack 12 through the winding unit, but the enameled wire led out from the pay-off reel 11 is in a free bending state, so that the enameled wire is difficult to align and penetrate into a lead hole and the tensioning unit quickly, the threading efficiency is low, and the winding efficiency after the pay-off reel 11 is replaced is influenced, at the moment, the invention fixes the bent enameled wire head led out from the pay-off reel 11 on the clamping unit 3 after penetrating through the clamping plate 16, then pushes the clamping plate 16 to slide upwards and clamp the enameled wire through the air cylinder 14, then the air cylinder 14 continues to extrude upwards, and further drives the push rod 21 to extend out of the slide cylinder 2 through hydraulic oil in the first slide hole 17, so that the shift fork 22 pushes the, the hardness of the enameled wire after cold drawing is increased, the efficiency of aligning the enameled wire and penetrating the tensioning unit and the winding unit is increased, and the production efficiency of the winding equipment is further improved.
As an embodiment of the present invention, the clamping unit 3 includes a slip ring 31 and a wedge 32; a tapered hole 33 is formed in one side, away from the shifting fork 22, of the slip ring 31, and wedge blocks 32 are uniformly distributed on the inner periphery of the tapered hole 33 in a circumferential manner and are in sliding connection with the tapered hole 33; the outer periphery of the slip ring 31 is fixedly connected with an outer gear ring 34, a driving motor 35 is fixedly connected to the position, corresponding to the outer gear ring 34, of the shifting fork 22, and a gear 36 fixedly connected with an output shaft of the driving motor 35 is meshed with the outer gear ring 34; after the enameled wire is clamped by the wedge block 32, the push rod 21 pushes the shifting fork 22 to move in the direction far away from the slide cylinder 2, so that the wedge block 32 slides along the tapered hole 33 under the driving of the shifting fork 22, and then the wedge block 32 moves towards the direction of the slip ring 31 approaching to the center and extrudes the enameled wire in the slip ring 31, thereby continuously clamping the enameled wire, simultaneously driving the motor 35 to drive the gear 36 to rotate, driving the gear 36 to drive the external gear ring 34 to rotate, and then the drive sliding ring 31 is constantly rotatory around self axis for sliding ring 31 together with wedge 32 drive the enameled wire constantly twist reverse at the tensioning process, further increase the torsional deformation of enameled wire in tensile process, increase the cold drawing hardening effect on enameled wire surface, further increase the alignment efficiency of enameled wire, increase the efficiency that the enameled wire passed stretch-draw unit and wire winding unit, save the threading time, further increase the efficiency that wire winding equipment changed drawing drum 11.
As an embodiment of the invention, one side of the sliding cylinder 2 is rotatably connected with a guide wheel 4 through a bracket, the top of the shell 13 is slidably connected with a cutter 42 through a support 41, and one side of the cutter 42 is fixedly connected with a protrusion 43; a sliding plug 45 is connected in a sliding way in a second sliding hole 44 horizontally formed in the support 41, and the sliding plug 45 is clamped at the bottom of the protrusion 43; a pressure spring is fixedly connected between the sliding plug 45 and the bottom of the second sliding hole 44; one side of the shifting fork 22 close to the sliding cylinder 2 is fixedly connected with a pull rope 47 through a tension spring 46, and the pull rope 47 is fixedly connected with a fixing pin 48 on the cutter 42 after bypassing the guide wheel 4; a cutter seat 49 is fixedly connected with the position corresponding to the cutter 42 in the shell 13; after the enameled wire is driven by the push rod 21 to extend and straighten, the tension spring 46 is pulled by the shifting fork 22, so that the tension spring 46 is extended and stores energy, meanwhile, the tension spring 46 drives the pull rope 47 to be tightened and obliquely pulls the cutter 42 downwards, so that the cutter 42 slides downwards on the support 41 and approaches to the enameled wire, then the protrusion 43 on the cutter 42 extrudes the sliding plug 45, so that the sliding plug 45 loses the support of the protrusion 43 after the sliding plug 45 slides into the second sliding hole 44, so that the elastic potential energy of the tension spring 46 converts the kinetic energy of the movement of the cutter 42, the cutter 42 accelerates to slide downwards and cooperates with the cutter seat 49 to rapidly cut off the enameled wire, and then cut off the enameled wire tip that produces the deformation because of the 3 centre gripping of clamping unit, further guarantee the straightness of enameled wire tip, increase the enameled wire and align and pass the efficiency of stretch-draw unit and winding unit, further save threading time, further increase the efficiency that coiling equipment changed drawing drum 11.
As an embodiment of the invention, a group of first holes 5 are uniformly distributed on one side of the slip ring 31 and on the circumference of the corresponding position of the tapered hole 33, a push rod 51 is connected in each first hole 5 in a sliding manner, one end of the push rod 51 penetrates through each first hole 5 and is in contact with the wedge block 32, and the other end of the push rod 51 extends to the outside of each first hole 5; the cutter 42 slides downwards to abut against the ejector rod 51; when cutter 42 glides downwards and cuts off the enameled wire, the inclined plane of cutter 42 one side supports ejector pin 51, make ejector pin 51 slide to one side that is close to wedge 32 in a hole 5, and then make cutter 42 cut off the enameled wire after, ejector pin 51 promotes wedge 32 and slides fast, make wedge 32 relax the clamping-force to the enameled wire along taper hole 33 after sliding to the direction of keeping away from shift fork 22, further increase the efficiency of clamping unit discharge waste material, reduce the influence of waste material discharge to the enameled wire lead wire.
As an embodiment of the invention, a clamping plate 53 is arranged in a cavity 52 formed in one side of the wedge block 32 close to the center of the sliding ring 31, and the middle part of the clamping plate 53 is hinged with the inner wall of the cavity 52 through a rotating pin 54; the length of the clamping plate 53 on one side of the rotating pin 54 close to the cavity 52 is greater than that on the other side; the enameled wire is clamped by the clamping plate 53 close to one end of the center of the sliding ring 31, and then the end of the clamping plate 53 is embedded into the enameled wire, so that the friction force between the wedge-shaped block 32 and the enameled wire is further increased, the slipping of the enameled wire in the stretching and straightening process is reduced, and the straightening efficiency of the enameled wire is increased.
As an embodiment of the present invention, an electromagnet 55 is fixedly connected to one side of the cavity 52 close to the slip ring 31, and the electromagnet 55 is connected to a power supply through a controller; a travel switch is fixedly connected to the cutter holder 49 at a position corresponding to the fixing pin 48, and the travel switch is connected with a power supply through a controller; when the cutter 42 cuts off the enameled wire completely, the fixing pin 48 contacts and triggers the travel switch, and then the controller controls the electromagnet 55 to be electrified and attract the clamping plate 53, so that the clamping plate 53 rotates anticlockwise and releases the clamping of the enameled wire waste, and the efficiency of the clamping unit for discharging the waste is further increased.
As an embodiment of the invention, one side of the clamping plate 53, which is far away from the cavity 52, is fixedly connected with an arc-shaped plate 56, one side of the arc-shaped plate 56, which is far away from the clamping plate 53, is uniformly distributed with a group of anti-skid grains 57, and the middle parts of the anti-skid grains 57 are fixedly connected with spikes 58; a butterfly-shaped bag 59 is fixedly connected to one side of the clamping plate 53, which is far away from the electromagnet 55, the butterfly-shaped bag 59 is communicated with a vent hole 6 formed in the clamping plate 53, and one end of the vent hole 6 penetrates through the spine 58; through arc 56 cooperation anti-skidding line 57, make cardboard 53 at the uniform velocity when blocking and pressing from both sides tight enameled wire, increase the tight effect of clamp plate 16 to the clamp of enameled wire, reduce cardboard 53 rotate with the enameled wire vertical position after with between the enameled wire not hard up, cooperate spine 58 extrusion enameled wire and the depressed part of card income in the enameled wire simultaneously, further reduce the skidding of enameled wire, when cardboard 53 clockwise rotation and relax the enameled wire, butterfly bag 59 receives to extrude the back through air vent 6 exhaust, further increase the clearance effect of the insulating varnish that drops on the enameled wire of adhesion on the anti-skidding line 57, increase the frictional force between anti-skidding line 57 and the enameled wire.
A winding method of a motor coil is used for the automatic winding equipment of the motor coil, and comprises the following steps:
s1, leading out the enameled wire wound on the pay-off reel 11, penetrating the enameled wire between the clamping plate 16 and the top plate 18, penetrating the enameled wire through the clamping unit 3, clamping the enameled wire by the clamping unit 3, inflating the enameled wire into the air cylinder 14, then pushing the piston rod 15 to slide out by the air cylinder 14, driving the clamping plate 16 to clamp the enameled wire by the piston rod 15, and simultaneously driving the clamping unit to stretch the enameled wire by the push rod 21 to tension the enameled wire to obtain the enameled wire which is tensioned;
s2, when the shifting fork 22 is ejected out through the push rod 21, the driving motor 35 drives the slip ring 31 to rotate, and the enameled wire is twisted;
s3, after the push rod 21 is completely stretched, the cutting knife 42 is pulled through the pull rope 47, the protrusion 43 on the cutting knife 42 slides downwards quickly after sliding the sliding plug 45, then the enameled wire is cut off quickly through the cutting knife 42, and the deformation part clamped by the clamping unit 3 on the enameled wire is removed;
and S4, one side of the straightened enameled wire passes through the winding unit after passing through the driving unit, and then the winding operation of the stator coil frame 12 is completed through the winding unit.
When the device works, the bent enameled wire end led out from the pay-off reel 11 penetrates through the clamping plate 16 and then is fixed on the clamping unit 3, then the clamping plate 16 is pushed by the air cylinder 14 to slide upwards and clamp the enameled wire, then the air cylinder 14 continues to extrude upwards, and then the push rod 21 is driven by hydraulic oil in the first sliding hole 17 to extend out of the sliding barrel 2, so that the shifting fork 22 pushes the clamping unit 3 to stretch the enameled wire, the enameled wire is straightened and stretched to generate plastic deformation, the hardness of the enameled wire after cold drawing is increased, the efficiency of the enameled wire aligning and penetrating through the stretching unit and the winding unit is increased, and the production efficiency of winding equipment is further improved; after the enameled wire is clamped by the wedge block 32, the push rod 21 pushes the shifting fork 22 to move in the direction far away from the slide cylinder 2, so that the wedge block 32 slides along the tapered hole 33 under the driving of the shifting fork 22, and then the wedge block 32 moves towards the direction of the slip ring 31 approaching to the center and extrudes the enameled wire in the slip ring 31, thereby continuously clamping the enameled wire, simultaneously driving the motor 35 to drive the gear 36 to rotate, driving the gear 36 to drive the external gear ring 34 to rotate, further, the slip ring 31 is driven to rotate around the axis of the slip ring 31 continuously, so that the slip ring 31 and the wedge block 32 drive the enameled wire to be continuously twisted in the tensioning process, the twisting deformation of the enameled wire in the tensioning process is further increased, the cold drawing hardening effect of the surface of the enameled wire is increased, the straightening efficiency of the enameled wire is further increased, the efficiency of the enameled wire passing through the tensioning unit and the winding unit is increased, the threading time is saved, and the efficiency of replacing the pay-off reel 11 by winding equipment is further increased; after the enameled wire is driven by the push rod 21 to extend and straighten, the tension spring 46 is pulled by the shifting fork 22, so that the tension spring 46 is extended and stores energy, meanwhile, the tension spring 46 drives the pull rope 47 to be tightened and obliquely pulls the cutter 42 downwards, so that the cutter 42 slides downwards on the support 41 and approaches to the enameled wire, then the protrusion 43 on the cutter 42 extrudes the sliding plug 45, so that the sliding plug 45 loses the support of the protrusion 43 after the sliding plug 45 slides into the second sliding hole 44, so that the elastic potential energy of the tension spring 46 converts the kinetic energy of the movement of the cutter 42, the cutter 42 accelerates to slide downwards and cooperates with the cutter seat 49 to rapidly cut off the enameled wire, the end part of the enameled wire deformed by clamping of the clamping unit 3 is cut off, so that the flatness of the end part of the enameled wire is further ensured, the efficiency of aligning the enameled wire and penetrating the tensioning unit and the winding unit is increased, the threading time is further saved, and the efficiency of replacing the pay-off reel 11 by winding equipment is further increased; when the cutter 42 slides downwards and cuts off the enameled wire, the inclined surface on one side of the cutter 42 abuts against the ejector rod 51, so that the ejector rod 51 slides to one side close to the wedge block 32 in the first hole 5, and further, after the cutter 42 cuts off the enameled wire, the ejector rod 51 pushes the wedge block 32 to slide rapidly, so that the clamping force on the enameled wire is released after the wedge block 32 slides to the direction far away from the shifting fork 22 along the tapered hole 33, the waste discharging efficiency of the clamping unit is further increased, and the influence of the waste discharging on the enameled wire lead is reduced; the enameled wire is clamped through one end, close to the center of the slip ring 31, of the clamping plate 53, then the end portion of the clamping plate 53 is embedded into the enameled wire, friction force between the wedge-shaped block 32 and the enameled wire is further increased, slipping in the process of stretching and straightening the enameled wire is reduced, and straightening efficiency of the enameled wire is increased; when the cutter 42 completely cuts off the enameled wire, the fixed pin 48 contacts and triggers the travel switch, so that the controller controls the electromagnet 55 to be electrified and attract the clamping plate 53, the clamping plate 53 rotates anticlockwise and releases clamping of the enameled wire waste, and the waste discharging efficiency of the clamping unit is further increased; through arc 56 cooperation anti-skidding line 57, make cardboard 53 at the uniform velocity when blocking and pressing from both sides tight enameled wire, increase the tight effect of clamp plate 16 to the clamp of enameled wire, reduce cardboard 53 rotate with the enameled wire vertical position after with between the enameled wire not hard up, cooperate spine 58 extrusion enameled wire and the depressed part of card income in the enameled wire simultaneously, further reduce the skidding of enameled wire, when cardboard 53 clockwise rotation and relax the enameled wire, butterfly bag 59 receives to extrude the back through air vent 6 exhaust, further increase the clearance effect of the insulating varnish that drops on the enameled wire of adhesion on the anti-skidding line 57, increase the frictional force between anti-skidding line 57 and the enameled wire.
The front, the back, the left, the right, the upper and the lower are all based on figure 1 in the attached drawings of the specification, according to the standard of the observation angle of a person, the side of the device facing an observer is defined as the front, the left side of the observer is defined as the left, and the like.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present invention and for simplifying the description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the scope of the present invention.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. The utility model provides an automatic spooling equipment of motor coil which characterized in that: comprises a frame (1) and a pay-off reel (11); the pay-off spool (11) is rotatably connected to one side of the rack (1), the other side of the rack (1) is rotatably connected with a stator coil rack (12), and a winding unit is arranged on one side of the stator coil rack (12); a shell (13) is fixedly connected to one side of the rack (1) through a support, an air cylinder (14) is fixedly connected to the bottom of the shell (13), a clamping plate (16) is arranged at the top of a piston rod (15) of the air cylinder (14), a first sliding hole (17) is formed in one side, close to the piston rod (15), of the clamping plate (16), and the end portion of the piston rod (15) is sleeved into the first sliding hole (17) and is in sliding sealing connection with the first sliding hole (17); a top plate (18) is fixedly connected to the position, corresponding to the clamping plate (16), of the top of the shell (13) through a support, one side, away from the pay-off disc (11), of a first sliding hole (17) is communicated with a sliding cylinder (2), a push rod (21) is connected into the sliding cylinder (2) in a sliding mode, the end portion of the push rod (21) is connected with an annular clamping unit (3) through a shifting fork (22), and the clamping unit (3) is embedded into an annular groove (23) in one side, away from the push rod (21), of the shifting fork (22); a pair of driving wheels (24) are rotatably connected to the shell (13) on one side, far away from the sliding barrel (2), of the clamping unit (3).
2. The automatic winding apparatus of an electric motor coil as claimed in claim 1, wherein: the clamping unit (3) comprises a sliding ring (31) and a wedge block (32); one side of the slip ring (31) far away from the shifting fork (22) is provided with tapered holes (33), and wedge blocks (32) are uniformly distributed on the inner periphery of the tapered holes (33) in the circumference and are in sliding connection with the tapered holes (33); the periphery of the slip ring (31) is fixedly connected with an outer gear ring (34), a driving motor (35) is fixedly connected to the corresponding position of the outer gear ring (34) on the shifting fork (22), and a gear (36) fixedly connected with an output shaft of the driving motor (35) is meshed with the outer gear ring (34).
3. The automatic winding apparatus of an electric motor coil as claimed in claim 2, wherein: one side of the sliding cylinder (2) is rotatably connected with a guide wheel (4) through a bracket, the top of the shell (13) is slidably connected with a cutter (42) through a support (41), and one side of the cutter (42) is fixedly connected with a protrusion (43); a sliding plug (45) is connected in a sliding way in a second sliding hole (44) horizontally formed in the support (41), and the sliding plug (45) clamps the bottom of the protrusion (43); a pressure spring is fixedly connected between the sliding plug (45) and the bottom of the second sliding hole (44); one side of the shifting fork (22) close to the sliding cylinder (2) is fixedly connected with a pull rope (47) through a tension spring (46), and the pull rope (47) rounds the guide wheel (4) and is fixedly connected with a fixing pin (48) on the cutter (42); a cutter holder (49) is fixedly connected with the position corresponding to the cutter (42) in the shell (13).
4. An automatic winding apparatus for a coil of an electric machine according to claim 3, wherein: one side of the slip ring (31) corresponds to the conical hole (33) and is circumferentially and uniformly provided with a group of first holes (5), a push rod (51) is connected in each first hole (5) in a sliding mode, one end of each push rod (51) penetrates through each first hole (5) and is in contact with the wedge block (32), and the other end of each push rod (51) extends to the outside of each first hole (5); the cutter (42) slides downwards to abut against the ejector rod (51).
5. The automatic winding apparatus of an electric motor coil as set forth in claim 4, wherein: a clamping plate (53) is arranged in a cavity (52) formed in one side of the wedge-shaped block (32) close to the center of the sliding ring (31), and the middle part of the clamping plate (53) is hinged with the inner wall of the cavity (52) through a rotating pin (54); the length of the clamping plate (53) on one side of the rotating pin (54) close to the cavity (52) is larger than that on the other side.
6. An automatic winding apparatus for a coil of an electric machine according to claim 5, wherein: an electromagnet (55) is fixedly connected to one side, close to the slip ring (31), in the cavity (52), and the electromagnet (55) is connected with a power supply through a controller; and a travel switch is fixedly connected to the cutter holder (49) at a position corresponding to the fixing pin (48), and the travel switch is connected with a power supply through a controller.
7. The automatic winding apparatus of an electric motor coil as set forth in claim 6, wherein: an arc-shaped plate (56) is fixedly connected to one side, away from the cavity (52), of the clamping plate (53), a group of anti-slip grains (57) are uniformly distributed on one side, away from the clamping plate (53), of the arc-shaped plate (56), and spikes (58) are fixedly connected to the middle parts of the anti-slip grains (57); a butterfly bag (59) is fixedly connected to one side, away from the electromagnet (55), of the clamping plate (53), the butterfly bag (59) is communicated with a vent hole (6) formed in the clamping plate (53), and one end of the vent hole (6) penetrates through the spine (58).
8. A winding method of a motor coil for use in the automatic winding apparatus of a motor coil according to any one of claims 1 to 7, comprising the steps of:
s1, leading out an enameled wire wound on the pay-off reel (11), penetrating the enameled wire between a clamping plate (16) and a top plate (18), penetrating a clamping unit (3), clamping the enameled wire by the clamping unit (3), inflating the air cylinder (14), pushing a piston rod (15) to slide out by the air cylinder (14), driving the clamping plate (16) by the piston rod (15) to clamp the enameled wire, simultaneously driving the clamping unit by a push rod (21) to stretch the enameled wire, and tensioning, stretching and straightening the enameled wire;
s2, when the shifting fork (22) is ejected out through the push rod (21), the driving motor (35) drives the slip ring (31) to rotate, and the enameled wire is twisted;
s3, after the push rod (21) is completely stretched straight, the cutting knife (42) is pulled through the pull rope (47), the protrusion (43) on the cutting knife (42) slides downwards quickly after sliding the sliding plug (45), then the enameled wire is cut off quickly through the cutting knife (42), and the deformation part clamped by the clamping unit (3) on the enameled wire is removed;
and S4, one side of the straightened enameled wire passes through the winding unit after passing through the driving unit, and then the winding operation of the stator coil rack (12) is completed through the winding unit.
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| CN202110096563.5A CN112821693B (en) | 2021-01-25 | 2021-01-25 | Automatic winding equipment and method for motor coil |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113572324A (en) * | 2021-09-27 | 2021-10-29 | 烟台一诺半导体材料有限公司 | Rotary pay-off device of multi-wire winding machine |
| CN113937968A (en) * | 2021-11-18 | 2022-01-14 | 康平科技(苏州)股份有限公司 | Rotor winding device and method |
| CN114726171A (en) * | 2022-06-08 | 2022-07-08 | 扬州市新港电机有限公司 | Intelligent winding machine for motor machining |
| CN115514173A (en) * | 2022-09-23 | 2022-12-23 | 江苏北辰互邦电力股份有限公司 | Automatic winding device and method for offshore wind power high-voltage coil |
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