CN211680602U - Welding device for flat wire winding in iron core - Google Patents
Welding device for flat wire winding in iron core Download PDFInfo
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- CN211680602U CN211680602U CN201922319560.4U CN201922319560U CN211680602U CN 211680602 U CN211680602 U CN 211680602U CN 201922319560 U CN201922319560 U CN 201922319560U CN 211680602 U CN211680602 U CN 211680602U
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Abstract
The utility model discloses a welding set of flat wire winding in iron core, including the welder subassembly, still include: the lifting plate is provided with a through hole; the first lifting driving mechanism is connected with the lifting plate; the positioning assembly is provided with a plurality of first through holes matched with the flat wire welding end parts, the positioning assembly is rotatably assembled in the through holes on the lifting plate, and the flat wire welding end parts are separated from or matched with the first through holes when the positioning assembly is lifted along with the lifting plate; and the rotary driving mechanism is in rotary fit with the iron core or the positioning plate to drive the iron core or the positioning assembly to rotate in a direct or indirect mode. The utility model has the advantages of promote welding efficiency.
Description
Technical Field
The utility model relates to a motor technology field, concretely relates to welding set of flat wire winding in iron core.
Background
With the continuous development of new energy electric vehicles, the requirements of high power density and small volume of a driving motor are further improved, and innovative support of new structures, new materials and new processes is needed. Because the slot filling rate of the flat wire winding is high, the power density can be improved, the current density can be reduced, the temperature rise is reduced, and the motor efficiency is improved. Therefore, the stator winding coil tends to be developed from a round wire to a flat wire.
The conventional flat wire winding motor stator comprises a plurality of stator slots and windings arranged in the stator slots; the winding comprises a plurality of conductor segments, each conductor segment having a straight segment disposed in the stator slot and two connecting segments located on both sides of the stator slot; each connecting segment of each conductor segment is welded with a corresponding connecting segment of another connected conductor segment; when the stator is installed, each conductor section is inserted into the corresponding stator slot in a linear manner, and then the corresponding two connecting sections are formed and welded; or each conductor segment is formed by linearly forming one connecting segment, inserting the connecting segment into the corresponding stator slot, and then forming the other connecting segment and then welding.
For the welding of the connection section in the flat wire winding motor, CN108296682A discloses a new energy motor stator coil welding machine, in which a driving motor drives an L-shaped engaging plate to move two opposite coil engaging pieces, so as to clamp the ends of two or more coils, and then a welding gun welds the ends of the coils. Therefore, in the technical scheme, each time one welding is finished, the driving mechanism is required to drive the clamping plate and the coil clamping piece to move along the radial direction, the lower axial direction and other directions of the stator, so that the action of clamping the end part of the coil can be finished, and after the welding is finished, the clamping plate and the coil clamping piece also need to be reset to match the graduation of the stator to prepare for the next welding. It is clear that the clamping action described above has the drawback of reducing the welding efficiency of the welding machine.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a promote welding efficiency's the welding set of the flat wire winding in the iron core.
Realize the utility model discloses the technical scheme of purpose as follows:
welding set of flat wire winding in iron core includes the welder subassembly, still includes:
the lifting plate is provided with a through hole;
the first lifting driving mechanism is connected with the lifting plate;
the positioning assembly is provided with a plurality of first through holes matched with the flat wire welding end parts, the positioning assembly is rotatably assembled in the through holes on the lifting plate, and the flat wire welding end parts are separated from or matched with the first through holes when the positioning assembly is lifted along with the lifting plate;
and the rotary driving mechanism is in rotary fit with the iron core or the positioning plate to drive the iron core or the positioning assembly to rotate in a direct or indirect mode.
The utility model has the advantages that: when the lifting plate descends, the positioning plate descends along with the lifting plate, the welding end part of the flat wire in the iron core wire embedding groove is matched with the first through hole, so that the welding end part of the flat wire is bound in the first through hole, the flat wire, the iron core and the positioning plate are integrated, one of the flat wire, the iron core and the positioning plate rotates, and the rest two parts rotate along with the flat wire, the iron core and the positioning plate. With this structure, the welding end of the flat wire is engaged with the first through hole in the process of lowering the lifter plate, and the welding end of the flat wire is restrained without using any other component. The novel iron core wire embedding groove has the advantages that convenience is realized, after the end part of the flat wire in the current wire embedding groove is welded, when the end part of the flat wire in the next wire embedding groove is required to be welded, the iron core A or the positioning plate is driven to rotate through the rotary driving mechanism, in the process, the positioning plate is not required to be separated from the flat wire, namely, the rotary indexing is directly completed, therefore, the indexing time and the time for positioning the flat wire are saved, and the structure is obvious, so that the welding efficiency is improved.
Drawings
FIG. 1 is a schematic view of a flat wire winding welder of the present invention;
fig. 2 is a perspective view of a welding device in the present invention;
FIG. 3 is a side view of a welded portion;
FIG. 4 is a schematic view of a positioning plate;
fig. 5 is a schematic view of a stator according to the present invention;
FIG. 6 is a schematic view of a material taking and placing mechanism;
FIG. 7 is a schematic view of a radial displacement actuator;
a is an iron core, B is a flat wire, 1 is a lifting plate, 2 is a support, 3 is a mounting plate, 4 is a second lifting driving mechanism, 5 is a second translation driving mechanism, 6 is a welding gun, 7 is a lead screw, 8 is a nut, 9 is a bottom plate, 10 is a motor, 11 is a belt transmission mechanism, 12 is a positioning plate, 12a is a first through hole, 12B is a groove, 13 is a bearing, 14 is a rotation driving mechanism, 15 is a first translation driving mechanism, 16 is a rack, 17 is a third translation mechanism, 18 is a third lifting driving mechanism, 19 is a radial movement driver, 20 is a tensioning block, 21 is a linear driver, 22 is a clamping block, 23 is an upright column, 24 is a first linear driver, and 25 is a limiting block.
Detailed Description
As shown in fig. 1 to 3, the utility model discloses a welding machine of flat wire winding in iron core A, including getting material drop feed mechanism and the welding set of extracting and releasing the iron core, welding set includes welder subassembly, lifter plate 1, first lift actuating mechanism, locating component, rotary driving mechanism, and iron core A both can be the stator core of motor, also can be rotor core, and in this embodiment, what iron core A preferred adopted is the stator core of motor.
The welding gun assembly is preferably fixed on the lifting plate 1, so that the welding gun assembly can lift along with the lifting of the lifting plate 1, and the whole welding machine is compact. The welding gun assembly comprises a support 2, a mounting plate 3, a second lifting driving mechanism 4, a second translation driving mechanism 5 and a welding gun 6, the mounting plate 3 is in sliding fit with the support 2, the mounting plate 3 forms lifting motion relative to the support 2, the second lifting driving mechanism 4 is connected with the mounting plate 3, the second lifting driving mechanism 4 drives the mounting plate 3 to lift relative to the support 2, the second lifting driving mechanism 4 preferentially adopts an air cylinder, and the second lifting driving mechanism 4 can also adopt an air cylinder and is connected with a motor of a screw rod mechanism. The second translation drive mechanism 5 is connected to the mounting plate 3, and the welding gun 6 is connected to the second translation drive mechanism 5. The second translation driving mechanism 5 can adopt a linear module and also can adopt a screw mechanism driven by a motor, in the embodiment, two welding guns 6 are arranged, and the position of the welding gun 6 can be adjusted through the second translation driving mechanism 5, so that the position of the welding gun 6 is better adapted to a flat wire winding required to be welded. The second translation drive mechanism 5 may also employ air claws, hydraulic cylinders, or the like.
First lift actuating mechanism is connected with the lifter plate, and first lift actuating mechanism includes: the lifting plate comprises a screw 7, a nut 8 and a driving mechanism, wherein the nut 8 is connected with the lifting plate 1, the screw 7 is in threaded connection with the nut 8, and the driving mechanism is connected with the screw 7. Preferably, the present embodiment further includes a bottom plate 9, one end of the lead screw 7 is connected to the bottom plate 9 through a first bearing, the driving mechanism includes a motor 10 and a belt transmission mechanism 11, the motor 10 is installed on the bottom plate 9, and an output end of the motor 10 is connected to the belt transmission mechanism 11. When the motor 10 drives the belt transmission mechanism 11 to work, the belt transmission mechanism 11 drives the lead screw 7 to rotate, and the lead screw 7 drives the nut 8 to linearly displace, so that the lifting plate 1 is driven to lift.
The lifting plate 1 is provided with a through hole, the positioning assembly is provided with a plurality of first through holes 12a matched with the flat wire welding end parts, the positioning assembly is rotatably assembled in the through hole on the lifting plate 1, and the flat wire welding end parts are separated from or matched with the first through holes when the positioning assembly is lifted along with the lifting plate 1. The positioning assembly includes: locating plate 12, bearing 13 and locating plate 12 fixed connection, bearing 13 and the through-hole cooperation on the lifter plate 1, first through-hole 12a sets up on lifter plate 1.
The iron core A is located below the lifting plate 1, when the lifting plate 1 descends, the positioning plate 12 descends along with the lifting plate 1, the welding end portion of the flat wire in the wire embedding groove of the iron core A is matched with the first through hole, so that the welding end portion of the flat wire is bound in the first through hole, the flat wire B, the iron core A and the positioning plate 12 are integrated, one of the flat wire B, the iron core A and the positioning plate 12 rotates, and the rest two parts rotate along with the rotation. With this configuration, the welding end of the flat wire B is engaged with the first through hole in the process of lowering the lifter plate 1, and the welding end of the flat wire B is restrained without using any other component. Very convenient, when the welding, to the flat wire end welding completion back in the present rule groove, when needing to weld the flat wire B tip in the next rule groove, through rotatory actuating mechanism drive iron core A or locating plate rotation can, at this in-process, need not to separate locating plate 12 and flat wire B, it can to directly accomplish rotatory graduation promptly, consequently, practiced thrift the graduation and carried out the time of fixing a position to the flat wire, this kind of structure is obvious, make the welded efficiency obtain the improvement.
The rotary driving mechanism 14 is matched with the iron core A or the positioning component in a rotating mode to drive the iron core A or the positioning component to rotate in a direct or indirect mode, the rotary driving mechanism 14 is located below the lifting plate 1, the rotary driving mechanism 14 is preferentially matched with the iron core A, the rotary driving mechanism 14 preferentially adopts an indexing mechanism for indexing the iron core A, and the indexing mechanism is located below the lifting plate. The indexing mechanism is prior art and will not be redundantly described here. The indexing mechanism drives the iron core A to rotate, for example, 24 embedding slots are arranged on the iron core A, the central angle corresponding to each two adjacent embedding slots is 15 degrees, after the end part of a flat wire in the current embedding slot is welded, when the end part of the flat wire in the next embedding slot needs to be welded, the iron core A or the positioning plate is driven to rotate by 15 degrees through the rotary driving mechanism 14.
The iron core lifting device further comprises a first translation driving mechanism 15, wherein the first translation driving mechanism 15 is connected with the indexing mechanism to drive the indexing mechanism to move to the position right below the lifting plate, and the center of the iron core corresponds to the center of the through hole. The first translation driving mechanism 15 is connected with the rotation driving mechanism 14 to drive the rotation driving mechanism 14 to move to the position right below the lifting plate 1, so that the center of the iron core A corresponds to the center of the through hole; after the first translation driving mechanism 15 rotates the driving mechanism 14, the iron core a and the flat wire B are aligned with the positioning plate 12, so that the positioning plate 12 and the flat wire B can be accurately engaged when the lifting plate 1 is lowered. Therefore, by controlling the stroke of the first translation driving mechanism 15, not only the automation of the welding machine is improved, but also the precision of matching of each part is improved.
The material taking and discharging mechanism is matched with the rotary driving mechanism. Get material drop feed mechanism and include: the device comprises a rack 16, a third translation mechanism 17 arranged on the rack, a third lifting driving mechanism 18, a radial movement driver 19 and a tensioning block 20, wherein the third lifting driving mechanism 18 is arranged on the third translation mechanism 17, the radial movement driver 19 is arranged on the third lifting driving mechanism 18, and the tensioning block 20 is connected with the radial movement driver. The third translation mechanism 17 comprises a motor, a belt transmission mechanism and a sliding frame, the sliding frame is in sliding fit with the rack 16, the motor is installed on the rack 16, and the motor is connected with the sliding frame through the belt transmission mechanism. The third lifting drive mechanism 18 preferably adopts a structure composed of a motor and a screw mechanism. The radial displacement actuator 19 is preferably a pneumatic gripper, preferably a three finger gripper.
The working process of the material taking and discharging mechanism is as follows: the third lifting driving mechanism 18 works to drive the radial moving driver 19 and the tension block 20 to descend, the tension block 20 extends into an inner hole of the iron core a, the radial moving driver 19 works to enable the tension block 20 to move along the outer side of the radial moving driver 19, after the tension block 20 performs a tension action on the iron core a, the third lifting driving mechanism 18 works to drive the radial moving driver 19 and the tension block 20 to ascend to set positions, and the third translation mechanism 17 works to drive the third lifting driving mechanism 18 to translate, so that the iron core a reaches the position above the first translation driving mechanism 15. The third lifting driving mechanism 18 operates to drive the radial moving driver 19 and the tension block 20 to descend, so that the iron core a is released to the rotary driving mechanism 14, the radial moving driver 19 drives the tension block 20 to contract, and the tension block 20 loses tension on the iron core a. The third lifting driving mechanism 18 works to drive the radial moving driver 19 and the tensioning block 20 to ascend, so that the processes of material taking and material discharging are completed. In the process, manual participation is not needed, so that the automation degree of the welding machine is further improved.
Of course, industrial robots can also be adopted for the material taking and discharging mechanism.
For the welding machine of the above embodiment, the welding machine further comprises a clamping mechanism, the clamping mechanism clamps the iron core after the welding is finished, and the positioning assembly is smoothly separated from the welding end part of the flat wire B when the lifting plate 1 is lifted. After the soldering, the volume of the end portion of the flat wire B becomes large or irregular due to the holding of the solder, and the end portion of the flat wire B passes through the first through hole 12a of the positioning plate 12, so that when the lifting plate 1 is lifted, the end portion of the flat wire B interferes with the positioning plate 12 due to the irregularity caused after the soldering, thereby causing the separation of the positioning plate 12 from the flat wire B to be hindered. The positions of the iron core A and the flat wire B are kept unchanged by the clamping action of the clamping mechanism on the iron core A, so that the separation is smooth.
The clamping mechanism includes a linear actuator 21 and a clamping block 22, the clamping block 22 is connected to the linear actuator 21, and the linear actuator 21 may be an air cylinder or a hydraulic cylinder. The end face of the clamping block 22 facing the iron core a is an arc-shaped face, so that the clamping block 22 is matched with the circumferential face of the iron core a. The linear actuator 21 may be mounted on the screw 7, and preferably further comprises a column 23, one end of the column 23 is connected with the bottom plate 9, the column 23 passes through the lifting plate 1 to provide a guiding function for the lifting plate 1 during lifting, and the linear actuator 21 is preferably mounted on the column 23.
For the welding machine of the above embodiment, the circumferential surface of the positioning assembly is provided with the groove 12b, and the groove 12b is preferably provided on the circumferential surface of the positioning plate 12. The welding device further comprises a limiting assembly, the limiting assembly is connected with the lifting plate 1, and one end of the limiting assembly is matched with the groove 12b on the peripheral surface of the positioning assembly to limit the rotation of the positioning assembly during welding. Because the positioning plate 12 can rotate under the action of external force, in order to avoid misoperation (such as starting a rotary driving mechanism or mistakenly touching a welding assembly) or manual touching of an operator to enable the positioning plate 12 to rotate, one end of the limiting assembly is matched with the groove 12B to limit the rotation of the positioning assembly, so that the end part of the flat wire B can be ensured to be successfully welded, and the welding reliability is improved.
The limiting component comprises a first linear driver 24 and a limiting block 25, wherein the first linear driver 24 preferably adopts an air cylinder, and can also adopt a hydraulic cylinder and the like. The stopper 25 is connected to an output end of the first linear driver 24.
Claims (8)
1. Welding set of flat wire winding in iron core, including the welder subassembly, its characterized in that still includes:
the lifting plate is provided with a through hole;
the first lifting driving mechanism is connected with the lifting plate;
the positioning assembly is provided with a plurality of first through holes matched with the flat wire welding end parts, the positioning assembly is rotatably assembled in the through holes on the lifting plate, and the flat wire welding end parts are separated from or matched with the first through holes when the positioning assembly is lifted along with the lifting plate;
and the rotary driving mechanism is in rotary fit with the iron core or the positioning plate to drive the iron core or the positioning assembly to rotate in a direct or indirect mode.
2. The apparatus of claim 1, wherein the positioning assembly comprises:
positioning a plate;
the bearing is fixedly connected with the positioning plate and matched with the through hole in the lifting plate.
3. The apparatus for welding flat wire windings in an iron core according to claim 1, wherein the welding gun assembly is fixed to a lifter plate.
4. The apparatus for welding flat wire windings in a core according to claim 1, wherein the welding gun assembly comprises: a support;
the mounting plate is in sliding fit with the support;
the second lifting driving mechanism is connected with the mounting plate;
the second translation driving mechanism is connected with the mounting plate;
and the welding gun is connected with the second translation driving mechanism.
5. The apparatus for welding a flat wire winding in an iron core according to claim 1, wherein the elevation driving mechanism comprises: a lead screw;
the nut is connected with the lifting plate, and the screw rod is in threaded connection with the nut;
and the driving mechanism is connected with the lead screw.
6. The apparatus for welding flat wire windings in an iron core according to claim 1, wherein the rotary drive mechanism is an indexing mechanism for indexing the iron core, the indexing mechanism being located below the lifting plate;
the first translation driving mechanism is connected with the indexing mechanism to drive the rotary indexing mechanism to move to the position right below the lifting plate, so that the center of the iron core corresponds to the center of the through hole.
7. The apparatus for welding a flat wire winding in an iron core according to any one of claims 1 to 6, further comprising a clamping mechanism for clamping the iron core after welding to smoothly separate the positioning member from the welding end of the flat wire when the lifter plate is raised.
8. The apparatus for welding flat wire windings in cores according to any one of claims 1 to 6, wherein the positioning member has a groove on its circumferential surface;
the welding device is characterized by further comprising a limiting assembly, wherein the limiting assembly is connected with the lifting plate, and one end of the limiting assembly is matched with a groove in the peripheral surface of the positioning assembly to limit the rotation of the positioning assembly during welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922319560.4U CN211680602U (en) | 2019-12-23 | 2019-12-23 | Welding device for flat wire winding in iron core |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922319560.4U CN211680602U (en) | 2019-12-23 | 2019-12-23 | Welding device for flat wire winding in iron core |
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| CN211680602U true CN211680602U (en) | 2020-10-16 |
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| CN201922319560.4U Active CN211680602U (en) | 2019-12-23 | 2019-12-23 | Welding device for flat wire winding in iron core |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112935463A (en) * | 2021-02-06 | 2021-06-11 | 跃科智能制造(无锡)有限公司 | Flat wire motor stator welding device and welding process |
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2019
- 2019-12-23 CN CN201922319560.4U patent/CN211680602U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112935463A (en) * | 2021-02-06 | 2021-06-11 | 跃科智能制造(无锡)有限公司 | Flat wire motor stator welding device and welding process |
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