CN211046703U - Flat wire twisting device for armature winding end part of flat wire motor - Google Patents
Flat wire twisting device for armature winding end part of flat wire motor Download PDFInfo
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- CN211046703U CN211046703U CN201922182696.5U CN201922182696U CN211046703U CN 211046703 U CN211046703 U CN 211046703U CN 201922182696 U CN201922182696 U CN 201922182696U CN 211046703 U CN211046703 U CN 211046703U
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Abstract
The utility model belongs to the technical field of motor armature winding preparation, in particular to flat wire motor armature winding tip flat wire device of twisting. The method comprises the following steps: the ejection mechanism comprises an ejection rod and an ejection disc coaxially arranged on the ejection rod; the twisting mechanism comprises a plurality of wire inserting holes arranged along the circumferential direction of the ejection rod; and the power mechanism is used for driving the twisting mechanism to enable the wire inserting hole to rotate along the circumferential direction of the ejection rod. And fixing a stator core on the ejection disc, inserting the linear part of each U-shaped wire in the armature winding into the wire insertion hole, and driving the part, in which the linear part of each U-shaped wire is positioned, to rotate relative to the stator core by the wire insertion hole when the power mechanism drives the torsion mechanism to rotate so as to twist the linear part. Can save the working steps, save the manpower and the time and improve the production efficiency.
Description
Technical Field
The utility model belongs to the technical field of motor armature winding preparation, in particular to flat wire motor armature winding tip flat wire device of twisting.
Background
The armature is an important component of the motor, the armature consists of two main parts, namely a stator core and a winding, and the armature winding is an enameled copper wire which is arranged on the armature in a winding or inserting mode.
With the development of the times, in the fields of driving motors for electric vehicles and others, in order to pursue high efficiency and small size, enameled rectangular wires with rectangular cross sections are used as windings of the motors. The flat copper wire is formed into a U-shaped wire (shown in figure 1) which is approximately U-shaped and approximately provided with a bending part 1a, a first straight line part 2a and a second straight line part 2b, then the U-shaped wire is inserted into a stator iron core groove, and is assembled with a stator iron core to form a winding (shown in figure 2) with approximately orderly arranged straight line parts, in order to solve the circuit connection requirement, the straight line parts of the U-shaped wire in the winding need to be twisted at different angles to achieve the adjacent effect, and then the U-shaped wire is tightly connected by welding or other methods.
The invention patent of granted publication No. CN1237687C, granted publication No. 2006, 1/18, discloses a method of manufacturing a stator winding, which discloses a twisting step with a straight portion of a U-shaped wire segment. In order to meet the twisting requirement required by the method, the twisting device is required to be highly matched with a person to twist every two layers of the outermost layer straight line part to the innermost layer straight line part of the winding respectively, the method has complicated steps, different twisting dies are required to be replaced every two layers, the effect can be achieved only by twisting for three times, and time and labor are wasted.
SUMMERY OF THE UTILITY MODEL
The utility model provides a solve above-mentioned technical problem, provide a flat wire motor armature winding tip flat wire device of twisting, a serial communication port, include:
the ejection mechanism comprises an ejection rod and an ejection disc coaxially arranged on the ejection rod;
the twisting mechanism comprises a plurality of wire inserting holes arranged along the circumferential direction of the ejection rod;
and the power mechanism is used for driving the twisting mechanism to enable the wire inserting hole to rotate along the circumferential direction of the ejection rod.
And when the power mechanism drives the twisting mechanism to rotate, the wire insertion holes drive the part, in which the U-shaped wire straight part is positioned, to rotate relative to the stator core, so that the straight part is twisted. Can save the working steps, save the manpower and the time and improve the production efficiency.
Preferably, the twisting mechanism comprises a plurality of first gears which are arranged up and down along the same circle center, a hollow shaft is arranged on each first gear, the hollow shafts are coaxially arranged outside the ejector rod, and a twisting die provided with the wire inserting hole is arranged on each hollow shaft; the power mechanism comprises a transmission gear shaft and a motor for driving the transmission gear shaft to rotate, a plurality of second gears are arranged in the axial direction of the transmission gear shaft and are in one-to-one correspondence with the first gears, and each second gear is meshed with the corresponding first gear.
Preferably, the number of the transmission gear shafts is two, the first transmission gear shaft is provided with a second gear which is used for being meshed with the first gear on the odd-numbered layer hollow shaft, and the second transmission gear shaft is provided with a second gear which is used for being meshed with the first gear on the even-numbered layer hollow shaft. The motor drives the first transmission gear shaft to rotate so as to realize simultaneous twisting of odd layers of the U-shaped line straight part of the armature winding of the flat wire motor, the motor drives the second transmission gear shaft to rotate so as to realize simultaneous twisting of even layers of the U-shaped line straight part of the armature winding of the flat wire motor, and the motor drives the first transmission gear shaft and the second transmission gear shaft to rotate simultaneously so as to realize simultaneous twisting of odd layers and even layers of the U-shaped line straight part of the armature winding of the flat wire motor.
Preferably, the number of the motors is two, the first motor is used for driving the first transmission gear to transmit, and the second motor is used for driving the second transmission gear to rotate.
Preferably, the power mechanism further comprises a speed reducer fitted to the motor, and the transmission gear shaft is disposed on the speed reducer.
Preferably, a spacer is arranged between the adjacent hollow shafts, and an upper bearing and a lower bearing are respectively arranged at two end parts of the spacer. The gap between each layer of the hollow shaft is separated by an upper bearing and a lower bearing, and a spacer bush is arranged between the two same bearings to play roles in supporting the bearings and limiting. The upper bearing and the lower bearing are the same bearing, and play a role in mutual interference of rotation.
Preferably, the inner circumference of the wire insertion hole is provided with a chamfer. So that the straight portion of the U-shaped wire can be inserted into the wire insertion hole more efficiently.
Preferably, the device also comprises an upper support plate and a lower support plate which are oppositely arranged; the twisting mechanism and the transmission gear shaft are arranged between the upper supporting plate and the lower supporting plate. After the even layers of the straight line part of the armature winding of the flat wire motor and the odd layers of the straight line part of the winding are twisted, the stator core is automatically ejected out, so that the manual conveying and feeding time is saved.
Preferably, the ejection mechanism further comprises an air cylinder, one end of the ejection rod is connected with the air cylinder, and the other end of the ejection rod is provided with the ejection disc.
Preferably, the cylinder is fixed on the lower supporting plate, the ejector rod extends out of the upper supporting plate, and the twisting die is rotatably mounted in the upper supporting plate.
The utility model discloses following beneficial effect has:
the flat enameled wire twisting device for the armature winding end part of the flat wire motor solves the problem of forming process of the armature winding end part of the flat wire motor, achieves simultaneous twisting of odd layers and even layers of the straight line part of the armature winding of the flat wire motor, is controllable in twisting angle and direction, can save work steps, saves labor and time, and improves production efficiency.
Drawings
Fig. 1 is a perspective view showing a U-shaped wire formed by molding a single rectangular enameled rectangular wire into a substantially U-shaped configuration.
Fig. 2 is a perspective view showing a winding having six layers of linear portions arranged substantially in alignment, which is formed by inserting a U-shaped wire into a stator core slot and fitting the U-shaped wire to a stator core.
Fig. 3 is a perspective view showing a U-shaped wire inserted into a stator core slot and twisted to form a winding having six layers of straight portions arranged substantially in alignment with the stator core.
Fig. 4 is a longitudinal sectional view of the flat wire twisting device main body of the flat wire motor armature winding end portion including the ejection mechanism, the twisting mechanism and the power mechanism according to the present invention.
Fig. 5 is a perspective view showing an ejection mechanism included in the twisting device.
Fig. 6 is a longitudinal sectional view showing a twisting mechanism included in the twisting device.
Fig. 7 is a plan view of a six-stage twisting mold of a twisting mechanism in which each insert groove can be seen, and a partial perspective view of each stage twisting mold.
Detailed Description
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. Unless otherwise defined, all terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It will be further understood that the conventional terms should be interpreted as having a meaning that is consistent with their meaning in the relevant art and this disclosure. This disclosure is to be considered as an example of the invention and is not intended to limit the invention to the particular embodiments.
The utility model discloses be applied to a flat wire motor armature winding tip forming process, through the single shaping of the enameled flat wire that is the rectangle with the cross section for the U type and have a bending part 1a, insert the stator core inslot behind the U molded lines of first straight line portion 2a and second straight line portion 2b (as shown in figure 1), join in marriage with stator core and constitute the winding that possesses the straight line portion of roughly neatly arranging (as shown in figure 2), for solving the circuit connection demand, thereby each U molded lines straight line portion need carry out the crumpling of different angles and reach adjacent effect in the winding, use welding or other modes to make its zonulae occludens after.
Example one
As shown in fig. 4-7, a twisting device for forming an armature winding end of a flat-wire motor is used for twisting an enameled flat wire at the armature winding end of the flat-wire motor in the forming process of the armature winding end of the flat-wire motor. The device comprises an ejection mechanism, a twisting mechanism, a power mechanism, an upper supporting plate 4 and a lower supporting plate 5 which are oppositely arranged.
The ejection mechanism comprises an ejection rod 11, an air cylinder 12 and an ejection disc 13. One end of the ejector rod 11 is connected with the cylinder 12, and the ejector disk 13 is coaxially arranged at the other end of the ejector rod. The cylinder 12 is fixed on the lower support plate 5, and the ejector rod 11 extends out of the upper support plate 4.
The twisting mechanism is arranged between the upper support plate and the lower support plate. The wire inserting device comprises a plurality of first gears 21 which are vertically arranged along the same circle center, a hollow shaft 22 is arranged on each first gear 21, the hollow shafts 22 are coaxially arranged outside the ejector rod 11, and a twisting die 23 provided with a wire inserting hole 231 is arranged on each hollow shaft 22. The hollow shaft 22 of this embodiment has six, and the upper support plate 4 is provided with holes for rotation of the twisting dies 23. The top end of each quill 22 is at approximately the same height so that the twist dies 23 mounted on the top ends of the quill 22 are located approximately in the holes in the upper support plate 4. The heights of the six hollow shafts 22 are gradually shortened from inside to outside, so that the bottom ends of the hollow shafts 22 of all layers are exposed outside and can be meshed with a second gear on a transmission gear shaft which is also arranged between the upper support plate and the lower support plate in the power structure. The spacer 24 is disposed between the adjacent hollow shafts 22, and an upper bearing 251 and a lower bearing 252 are disposed at both ends of the spacer 24. The twisting mold 23 on each hollow shaft 22 is different from each other, but it is formed with wire insertion holes 231 aligned along its circumferential direction:
the twisting die 23a on the outermost hollow shaft (the 1 st hollow shaft) is a smooth surface without grooves on the inner and outer peripheral sides, the outer peripheral side is provided with closed type grooves (namely, wire inserting holes of the twisting die 23 a) which are in one-to-one correspondence with the linear parts in the 1 st layer of the linear part end part of the U-shaped wire of the armature winding, and the term "closed" in the description here and in the following means end surface covers of the grooves. The closed type grooves are circumferentially and uniformly distributed at the position, close to the inner peripheral side, of the twisting mold 23a, and the inner peripheral side of the twisting mold 23a is attached to the outer peripheral side of the twisting mold 23b on the layer 2 hollow shaft (as shown in fig. 7).
The twisting die 23b is a smooth surface with no groove on the inner peripheral side, and the outer peripheral side has an open type groove (i.e., a wire insertion hole of the twisting die 23 b) corresponding to each linear portion in the 2 nd layer of the linear portion end portion of the U-shaped wire of the armature winding one by one, and the term "closed" as used herein and hereinafter means that the groove has a notch on the end face of the groove and is not closed, and the groove face is attached to the outer peripheral side of the twisting die 23c on the 3 rd layer hollow shaft as shown in FIG. 7)
The outer periphery of the twisting die 23c has a smooth surface without grooves, the inner periphery of the twisting die 23c has open grooves (i.e., wire insertion holes of the twisting die 23 c) corresponding to the linear portions of the layer 3 of the end portion of the linear portion of the U-shaped wire of the armature winding one by one, and the inner periphery of the twisting die 23c is attached to the outer periphery of the twisting die 23d on the layer 4 of the hollow shaft (as shown in fig. 7).
The inner and outer peripheral sides of the twisting die 23d are smooth surfaces without grooves, and the grooves of the twisting die 23d (i.e., the wire insertion holes of the twisting die 23 d) are opened in the inner part and are closed, and correspond to the linear parts in the 4 th layer of the linear part end part of the U-shaped wire of the armature winding one by one. The closed type grooves are circumferentially and uniformly distributed in the twisting die 23d, and the inner peripheral side of the twisting die 23d is attached to the outer peripheral side of the twisting die 23e on the 5 th layer of hollow shaft. (as shown in fig. 7).
The inner and outer peripheral sides of the twisting die 23e are smooth surfaces without grooves, and the grooves of the twisting die 23e are opened in the twisting die 23e to be closed (namely, wire insertion holes of the twisting die 23 e) and correspond to the linear parts in the 5 th layer of the linear part end part of the U-shaped wire of the armature winding one by one. The closed type grooves are uniformly distributed in the circumferential direction of the twisting die 23e, and the inner peripheral side of the twisting die 23e is attached to the outer peripheral side of the twisting die 23f on the layer 6 hollow shaft (as shown in fig. 7).
The twisting die 23f is a smooth surface with no groove on the inner periphery, open type grooves (i.e., wire insertion holes of the twisting die 23 f) corresponding to the linear portions in the 6 th layer of the end portion of the linear portion of the U-shaped wire of the armature winding are formed on the outer periphery of the twisting die, and the open type grooves are uniformly distributed on the twisting die 6f in the circumferential direction (as shown in fig. 7).
Preferably, the inner circumference of each wire insertion hole is chamfered to facilitate more efficient insertion of the straight portion of the U-shaped wire into the wire insertion hole.
The power mechanism is used for driving the twisting mechanism to enable the wire inserting hole 231 to rotate along the circumferential direction of the ejection rod 11. The power mechanism 3 of the present embodiment includes a transmission gear shaft 31, a speed reducer 32, and a motor 33. The transmission gear shaft is arranged on the lower support plate 5 and positioned between the upper support plate and the lower support plate, a plurality of second gears 311 are axially arranged on the transmission gear shaft, the second gears 311 correspond to the first gears 21 one by one, and each second gear 311 is meshed with the corresponding first gear 21. The number of the transmission gear shafts 31 is two, the first transmission gear shaft is provided with 3 second gears which are respectively meshed with first gears on odd-numbered layers of hollow shafts (1 st, 3 rd and 5 th layers of hollow shafts), and the second transmission gear shaft is provided with 3 second gears which are respectively meshed with first gears on even-numbered layers of hollow shafts (2 nd, 4 th and 6 th layers of hollow shafts). The number of the motors 33 is two, the first motor is used for driving the first transmission gear to transmit, and the second motor is used for driving the second transmission gear to rotate. The two speed reducers 32 are respectively matched with the two motors, and the two transmission gear shafts are respectively arranged on the two speed reducers.
The method for molding the armature winding end part of the flat wire motor by applying the twisting device of the embodiment comprises the following steps:
1. the stator core is provided with iron core slots which are radially arranged in the circumferential direction, the first straight line part 2a or the second straight line part 2b of the U-shaped line is inserted into and close to the inner side of the iron core slot, the other straight line part is inserted into and close to the inner side of the other iron core slot with reasonable span, every two or every three U-shaped lines form a U-shaped line group, a plurality of U-shaped line groups can be arranged in the circumferential direction according to the same rule to form a layer of winding, six layers of windings (shown in figure 2) can be stacked from the outer side of the iron core to the inner side of the iron core, and the iron core slots are approximately filled with the windings. In this case, six layers of U-shaped linear portions are drawn out along the stator slots to form the ends of the linear portions of the winding (as shown in fig. 2), each of which is substantially circular, and which are substantially perpendicular to the lower end surface of the stator core.
2. And carrying the stator core manually or mechanically, wherein the lower end surface of the stator core close to the inner side of the winding is matched with the outer peripheral side of an ejection disc on the ejection mechanism of the twisting device and is approximately vertical to the ejection rod. An air cylinder 12 in the ejection mechanism drives an ejection rod 11 to enable an ejection disc 13 arranged at the other end of the ejection rod 11 to descend, (the ejection rod 11 is assembled with the center of the ejection disc 13 and is perpendicular to the ejection disc 13, and the other end of the ejection rod is connected with a piston rod of the air cylinder 12) to enable each layer of led-out straight line parts in the six layers of windings in the linear end parts of the windings to be inserted into corresponding grooves (namely insertion holes) in a six-layer corresponding twisting die in a twisting mechanism along a chamfer, and each straight line part corresponds to each groove one by one.
3. The utility model discloses a mould, including six layers of winding odd number layers, the first motor of the epaxial three axial evenly distributed size and dimension of first transmission gear is from last to mesh with the first gear of installing the odd number layer hollow shaft down mutually in the gear train after the odd number layer mould of twisting among the six layers of winding straight line tip the straight line portion of drawing forth in the six layers of winding odd number layers inserts in the six layers of winding odd number layers of winding are twisted the mould after, by first motor in the mechanism of twisting after the speed reducer increase moment of torsion, drive the first transmission gear axle of connecting on the speed reducer and rotate according to first motor rotation equidirectional, and further drive these first gears and press the opposite direction of first transmission gear axle rotation direction rotates, drive the mould of twisting 23a on the odd number layer hollow shaft at last, 23 c.
After the linear parts led out from the even layers of the six layers of windings in the ends of the linear ends of the windings are inserted into the even layers of the bending dies in the six bending dies, a second motor in the bending mechanism increases torque through a speed reducer, a second transmission gear shaft connected to the speed reducer is driven to rotate in the same direction as the rotation of the second motor, three second gears which are uniformly distributed in the axial direction and have the same size are meshed with first gears provided with even layers of hollow shafts in a gear set from top to bottom, the first gears are further driven to rotate in the opposite direction of the rotation direction of the first transmission gear shaft, and finally the bending dies 23b, 23d and 23f on the even layers of hollow shafts and the first gears in the gear set are driven to rotate in the same direction.
The first motor and the second motor are often rotated simultaneously or separately. After the rotation, the end parts of the U-shaped wire straight line parts of the armature windings of the flat wire motor are respectively and simultaneously twisted by six layers of twisting dies, and the twisted ends are shown in fig. 3. And the first motor and the second motor determine the number of turns of the gear in the twisting mechanism, and further determine the twisting angle of each layer of the end part of the U-shaped wire linear part of the winding, which is led out by the corresponding twisting die.
The ejection mechanism starts after the end part of the winding straight line part is twisted, the piston rod of the air cylinder 12 upwards applies thrust, and further drives the ejection rod 11 arranged on the air cylinder 12, so that the ejection disc 13 arranged at the other end of the ejection rod 11 ascends, and further drives the stator core formed by twisting to ascend.
And finally, carrying the stator core manually or mechanically.
Although embodiments of the present invention have been described, various changes or modifications may be made by one of ordinary skill in the art within the scope of the appended claims.
Claims (10)
1. The utility model provides a flat wire motor armature winding tip flat wire device of twisting which characterized in that includes:
the ejection mechanism comprises an ejection rod and an ejection disc coaxially arranged on the ejection rod;
the twisting mechanism comprises a plurality of wire inserting holes arranged along the circumferential direction of the ejection rod;
and the power mechanism is used for driving the twisting mechanism to enable the wire inserting hole to rotate along the circumferential direction of the ejection rod.
2. The device for twisting the flat wire at the armature winding end part of the flat wire motor according to claim 1, is characterized in that:
the twisting mechanism comprises a plurality of first gears which are arranged up and down along the same circle center, a hollow shaft is arranged on each first gear, the hollow shafts are coaxially arranged outside the ejector rod, and a twisting die provided with the wire inserting hole is arranged on each hollow shaft;
the power mechanism comprises a transmission gear shaft and a motor for driving the transmission gear shaft to rotate, a plurality of second gears are arranged in the axial direction of the transmission gear shaft and are in one-to-one correspondence with the first gears, and each second gear is meshed with the corresponding first gear.
3. The device for twisting the flat wire at the armature winding end part of the flat wire motor according to claim 2, is characterized in that:
the first transmission gear shaft is provided with a second gear which is used for being meshed with the first gear on the odd-numbered layer hollow shaft, and the second transmission gear shaft is provided with a second gear which is used for being meshed with the first gear on the even-numbered layer hollow shaft.
4. The device for twisting the flat wire at the armature winding end part of the flat wire motor according to claim 3, is characterized in that:
the motor has two, and first motor is used for driving the transmission of first drive gear, and the second motor is used for driving the rotation of second drive gear.
5. The device for twisting the flat wire at the armature winding end part of the flat wire motor according to claim 2, is characterized in that:
the power mechanism further comprises a speed reducer matched with the motor, and the transmission gear shaft is arranged on the speed reducer.
6. The device for twisting the flat wire at the armature winding end part of the flat wire motor according to claim 2, is characterized in that:
and a spacer bush is arranged between the adjacent hollow shafts, and an upper bearing and a lower bearing are respectively arranged at the two end parts of the spacer bush.
7. The device for twisting the flat wire at the armature winding end part of the flat wire motor according to claim 1, is characterized in that:
and a chamfer is arranged on the inner side circumference of the wire inserting hole.
8. The device for twisting the flat wire at the armature winding end part of the flat wire motor according to claim 2, is characterized in that:
the device also comprises an upper supporting plate and a lower supporting plate which are oppositely arranged;
the twisting mechanism and the transmission gear shaft are arranged between the upper supporting plate and the lower supporting plate.
9. The device of claim 8, wherein the device comprises:
the ejection mechanism further comprises an air cylinder, one end of the ejection rod is connected with the air cylinder, and the other end of the ejection rod is provided with the ejection disc.
10. The device of claim 9, wherein the device comprises:
the cylinder is fixed on the lower supporting plate, the ejector rod extends out of the upper supporting plate, and the twisting die is rotatably installed in the upper supporting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922182696.5U CN211046703U (en) | 2019-12-09 | 2019-12-09 | Flat wire twisting device for armature winding end part of flat wire motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922182696.5U CN211046703U (en) | 2019-12-09 | 2019-12-09 | Flat wire twisting device for armature winding end part of flat wire motor |
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| Publication Number | Publication Date |
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| CN211046703U true CN211046703U (en) | 2020-07-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922182696.5U Active CN211046703U (en) | 2019-12-09 | 2019-12-09 | Flat wire twisting device for armature winding end part of flat wire motor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117254619A (en) * | 2023-11-20 | 2023-12-19 | 昆山汇智电机科技有限公司 | Flat wire motor with winding torsion equipment |
-
2019
- 2019-12-09 CN CN201922182696.5U patent/CN211046703U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117254619A (en) * | 2023-11-20 | 2023-12-19 | 昆山汇智电机科技有限公司 | Flat wire motor with winding torsion equipment |
| CN117254619B (en) * | 2023-11-20 | 2024-01-23 | 昆山汇智电机科技有限公司 | Flat wire motor with winding torsion equipment |
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