Permanent magnet motor stator coil winding device and brushless flat wire motor thereof

Abstract

The permanent magnet motor stator coil winding device comprises a processing table, the rear side of the upper end of the processing table is fixedly provided with an extension support, the inner side of the upper end of the extension support is rotationally connected with a pay-off wheel through a rotating shaft, and the pay-off wheel is used for paying off a flat copper wire. A conveying table is fixedly installed in the middle of the upper end of the machining table in a supporting mode, the rear side of the upper end of the conveying table is rotationally connected with a wire guiding wheel through a pin shaft, and the wire guiding wheel is used for conducting guiding rolling supporting on the upper end and the lower end of a flat copper wire. A lower conveying wheel is fixedly installed on a transmission shaft part on the inner side of the conveying motor, a first telescopic air cylinder is fixedly installed at the top end of the conveying table in a supporting mode, a lifting table is fixedly installed on a telescopic part of the lower end of the first telescopic air cylinder, and a vertical sliding rail is movably connected to the inner side of the lifting table in a limiting fit mode. According to the utility model, complete winding operation can be carried out on the flat copper wire without excessive manual intervention.

Description

TECHNICAL FIELD

[0001] The utility model relates to motor manufacturing technical field, concretely is a kind of permanent magnet motor stator coil winding device and its brushless flat wire motor. BACKGROUND

[0002] Permanent magnet brushless flat wire motor is a kind of high-efficiency motor combined permanent magnet brushless motor technology and flat wire winding technology.The main functions of permanent magnet brushless flat wire motor include:

[0003] Improve power density and efficiency: the high slot fill rate of flat wire winding can accommodate more copper wire in the same volume, enhance the magnetic field strength and torque output.Permanent magnet provides stable magnetic field, reduces excitation loss, and improves overall efficiency by 1%-2%, and full-speed efficiency by 2%-3%.Power density can be increased by more than 20%, some products reach 4.7kW / kg, meet the demand of new energy vehicles for lightweight and high energy efficiency.Reduce noise and vibration: high slot fill rate reduces mechanical vibration caused by speed change, combined with the electronic commutation characteristics of brushless motor, reduces electromagnetic noise and mechanical noise, improves ride comfort.Enhance heat dissipation capacity: the gap between flat wire windings is reduced, and the thermal conductivity of the wire is higher than that of air, which is more conducive to heat dissipation, combined with liquid cooling integrated technology, can reduce alternating current loss by more than 30%.Optimize space utilization and integration Flat wire motor is small in size and light in weight, supports the high integration of electric drive system, such as BYD's eight-in-one electric power assembly, with a comprehensive efficiency of more than 89%, reducing volume can improve the passenger space or battery capacity.Improve reliability and life: brushless design eliminates rotor friction loss and reduces maintenance cost.

[0004] However, in actual use, during the winding process of the permanent magnet motor stator coil using the winding device, the steps of the conventional winding device usually involve more manual intervention, which can easily lead to uneven gap of flat copper coil, thereby affecting the processing quality and efficiency of the permanent magnet motor stator coil. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of permanent magnet motor stator coil winding device and its brushless flat wire motor, to solve the problem of the above background art that the steps of the conventional winding device usually involve more manual intervention during the winding process of the permanent magnet motor stator coil using the winding device, which can easily lead to uneven gap of flat copper coil, thereby affecting the processing quality and efficiency of the permanent magnet motor stator coil.

[0006] To achieve the above object, the utility model provides the following technical scheme:

[0007] A permanent magnet motor stator coil winding device: including processing table, the upper end rear side of the processing table is fixed in the extension support, the upper end inner side of the extension support is rotatably connected with the pay-off wheel for paying off the flat copper wire through the rotating shaft, the upper end middle part of the processing table is supported and fixedly installed with the conveying table, the outer side of the upper end of the conveying table is supported and fixedly installed with the conveying motor, the inner side of the conveying motor is fixedly installed with the lower conveying wheel on the transmission shaft part, the upper end of the conveying table is supported and fixedly installed with the first telescopic cylinder, the lower end telescopic part of the first telescopic cylinder is fixedly installed with the lifting table, the inner side of the lifting table is movably connected with the vertical slide rail, the inner side of the lower end of the lifting table is rotatably connected with the upper conveying wheel through the pin shaft, the front side of the upper end of the conveying table is fixedly installed with the guide groove for guiding the flat copper wire, and the front side of the upper end of the conveying table is fixedly installed with the opening plate.

[0008] The upper end of the processing table is fixedly installed with a support table, the upper end of the support table is fixedly installed with a horizontal limiting slide rail, the upper end of the horizontal limiting slide rail is movably connected with a transmission rack, the front side of the support table is supported and fixedly installed with a third telescopic cylinder, the rear side of the upper end of the support table is fixedly installed with a U-shaped frame, the upper end middle part of the U-shaped frame is rotatably connected with a rotating shaft column through a rotating shaft, the lower end of the rotating shaft column is fixedly installed with a transmission gear disc, the upper end of the rotating shaft column is fixedly installed with a winding disc, the upper end of the winding disc is respectively fixedly installed with a winding clamping column and a winding clamping block, and the upper top end of the winding clamping column and the winding clamping block is fixedly installed with an inclined block for upwardly guiding the flat copper wire.

[0009] The upper end of the processing table is fixedly installed with a support table, the upper end of the support table is fixedly installed with a horizontal limiting slide rail, the upper end of the horizontal limiting slide rail is movably connected with a transmission rack, the front side of the support table is supported and fixedly installed with a third telescopic cylinder, the rear side of the upper end of the support table is fixedly installed with a U-shaped frame, the upper end middle part of the U-shaped frame is rotatably connected with a rotating shaft column through a rotating shaft, the lower end of the rotating shaft column is fixedly installed with a transmission gear disc, the upper end of the rotating shaft column is fixedly installed with a winding disc, the upper end of the winding disc is respectively fixedly installed with a winding clamping column and a winding clamping block, and the upper top end of the winding clamping column and the winding clamping block is fixedly installed with an inclined block for upwardly guiding the flat copper wire.

[0010] Preferably, the upper end rear side of the extension support is fixedly installed with a support arc plate for abutting and supporting the flat copper wire.

[0011] Preferably, the upper end rear side of the conveying table is rotatably connected with a wire guide wheel for guiding and rolling supporting the upper and lower ends of the flat copper wire through a pin shaft, the number of the wire guide wheels is several, and they are respectively distributed in an upper and lower staggered symmetrical manner on the upper end rear side of the conveying table, and the lower conveying wheel is rotatably connected on the upper end of the conveying table through a rotating shaft.

[0012] Preferably, the vertical slide rail is fixedly installed on the inner side of the upper end of the conveying table, and the upper conveying wheel and the lower conveying wheel are on the same vertical line.

[0013] Preferably, the second telescopic cylinder is fixedly installed at the front end of the opening plate, and the second telescopic cylinder is symmetrically distributed on both sides of the front end of the opening plate.

[0014] Preferably, the third telescopic cylinder is fixedly installed at the front end of the transmission rack, the front end of the transmission gear plate is meshingly connected with the rear end of the transmission rack, the winding clamp column and the winding clamp block are staggered and distributed on the front and rear of the upper end of the winding disc, and the upper end of the winding clamp column and the winding clamp block is provided with an opening groove for limiting the flat copper wire.

[0015] A brushless flat wire motor comprises a motor body, a stator fixedly installed in the motor body, and a flat copper coil embedded in the stator.

[0016] Preferably, the number of flat copper coils is several, and each two positive and negative flat copper coils form a group, and the several groups of flat copper coils are symmetrically distributed in the stator in sequence.

[0017] Compared with the prior art, the utility model has the advantages that:

[0018] When the flat copper wire is clamped and conveyed forward, the pay-off wheel rotates and pays off the flat copper wire, the guide wheel guides and supports the upper and lower ends of the conveyed flat copper wire, the guide groove guides the conveying of the flat copper wire, and the first telescopic cylinder is controlled to be opened and telescoped.

[0019] The utility model discloses still when the third telescopic air cylinder is telescopic, will drive transmission rack left and right linear movement, when transmission rack left and right linear movement, will mesh drive transmission gear plate and carry out reciprocating rotation, when transmission gear plate carries out reciprocating rotation, will through rotating shaft column drive transmission gear plate and carry out reciprocating rotation, when transmission gear plate carries out reciprocating rotation, will synchronous drive winding clamp column and winding clamp block and carry out reciprocating rotation, when winding clamp column and winding clamp block carry out reciprocating rotation, will push the bent winding of flat copper wire after conveying, when flat copper wire carries out bent winding, through inclined block will guide the flat copper wire of bent winding upwards, make the flat copper wire of bent winding will gradually stack upwards, thereby realize the complete winding operation of flat copper wire under the condition of not needing manual intervention too much. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 For the whole structure of the utility model discloses a permanent magnet motor stator coil winding device Figure 1 ;

[0021] Figure 2 For the whole structure of the utility model discloses a permanent magnet motor stator coil winding device Figure 2 ;

[0022] Figure 3 For the utility model discloses a permanent magnet motor stator coil winding device partial structure schematic Figure 1 ;

[0023] Figure 4 For the utility model discloses a permanent magnet motor stator coil winding device partial structure schematic Figure 2 ;

[0024] Figure 5 For the whole structure of the utility model discloses a brushless flat wire motor schematic diagram

[0025] Figure 6 For the utility model discloses a brushless flat wire motor partial structure schematic.

[0026] In the drawing: 1, processing table 2, extension support 3, pay-off wheel 4, support arc plate 5, conveying table 6, wire guide wheel 7, conveying motor 8, lower conveying wheel 9, first telescopic air cylinder 10, lifting table 11, vertical slide rail 12, upper conveying wheel 13, guide groove 14, opening plate 15, second telescopic air cylinder 16, moving plate 17, horizontal slide groove 18, cutting knife 19, support table 20, horizontal limit slide rail 21, third telescopic air cylinder 22, U-shaped frame 23, rotating shaft column 24, winding disc 25, winding clamp column 26, winding clamp block 27, inclined block 28, motor main body 29, stator 30, flat copper coil 31, busbar 32, transmission rack 33, transmission gear plate. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the utility model will be apparently and completely described in connection with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0028] Please refer to Figures 1-4 The utility model provides a kind of permanent magnet motor stator coil winding device: including processing table 1, processing table 1 upper end rear side is fixed in having extension support 2, extension support 2 upper end inner side is rotationally connected with the pay-off wheel 3 for paying off flat copper wire, and extension support 2 upper end rear side is fixedly installed with the support arc plate 4 for the lamination support of flat copper wire;

[0029] Processing table 1 upper end middle part is supported and fixedly installed with conveying table 5, and the wire guide wheel 6 for guiding and rolling support to the upper and lower ends of flat copper wire is rotationally connected with the conveying motor 7 on the upper end rear side of conveying table 5 by pin shaft, and the number of wire guide wheel 6 is several, and is distributed with upper and lower staggered symmetry on the upper end rear side of conveying table 5, and conveying motor 7 is supported and fixedly installed on the outer side of the upper end of conveying table 5, and the lower conveying wheel 8 is fixedly installed on the inner side transmission shaft part of conveying motor 7, and the lower conveying wheel 8 is rotationally connected on the upper end of conveying table 5 by pivot, and the first telescopic cylinder 9 is supported and fixedly installed on the top end of conveying table 5, and the lifting table 10 is fixedly installed on the inner side of the upper end of conveying table 5 by the vertical slide rail 11, so that the lifting table 10 is vertically moved and limited by the vertical slide rail 11, and the upper conveying wheel 12 is rotationally connected on the inner side of the lower end of lifting table 10 by pin shaft, and the upper conveying wheel 12 and the lower conveying wheel 8 are on the same vertical line, and the guide groove 13 for guiding flat copper wire is fixedly installed on the front side of the upper end of conveying table 5, and the opening plate 14 is fixedly installed on the front side of the upper end of conveying table 5, and the second telescopic cylinder 15 is fixedly installed on the front end of opening plate 14, and the number of second telescopic cylinder 15 is two, and is distributed with symmetry on the both sides of the front end of opening plate 14, and the moving plate 16 is fixedly installed on the inner side telescopic part of second telescopic cylinder 15, and the horizontal sliding groove 17 is movably connected with the moving plate 16, and the horizontal sliding groove 17 is fixedly installed on the front end of opening plate 14, so that the moving plate 16 is linearly moved and limited by the horizontal sliding groove 17, and the cutting knife 18 for cutting flat copper wire is fixedly installed on the inner side of moving plate 16;

[0030] The front side of the upper end of the processing table 1 is fixedly provided with a supporting table 19, the upper end of the supporting table 19 is fixedly provided with a horizontal limiting sliding rail 20, the upper end of the horizontal limiting sliding rail 20 is limitingly and movably provided with a transmission rack 32, the front side of the supporting table 19 is fixedly provided with a third telescopic cylinder 21, the inner side of the third telescopic cylinder 21 is fixedly provided with a telescopic part at the front end of the transmission rack 32, the rear side of the upper end of the supporting table 19 is fixedly provided with a U-shaped frame 22, the middle part of the upper end of the U-shaped frame 22 is rotatably provided with a rotating shaft column 23 through a rotating shaft, the lower end of the rotating shaft column 23 is fixedly provided with a transmission gear disc 33, the front end of the transmission gear disc 33 is movably provided with the rear end of the transmission rack 32, the upper end of the rotating shaft column 23 is fixedly provided with a winding disc 24, the upper end of the winding disc 24 is fixedly provided with a winding clamping column 25 and a winding clamping block 26, respectively, the winding clamping column 25 and the winding clamping block 26 are staggered and distributed at the upper end of the winding disc 24, the upper end of the winding clamping column 25 and the winding clamping block 26 is provided with an opening slot for limiting the flat copper wire, and the upper end of the winding clamping column 25 and the winding clamping block 26 is fixedly provided with an inclined block 27 for upward guiding the flat copper wire.

[0031] Please refer to Figures 5-6 A brushless flat wire motor: including motor body 28, the inside of the motor body 28 is fixedly provided with a stator 29, the inside of the stator 29 is embedded with a flat copper coil 30, and the flat copper coil 30 is wound by the above-mentioned permanent magnet motor stator coil winding device, the number of flat copper coils 30 is several, every two positive and negative flat copper coils 30 is a group, several groups of flat copper coils 30 are symmetrically distributed in the inside of the stator 29 in turn, the flat copper coil 30 is connected by a high-temperature and high-pressure resistant sheath flexible wire, the yoke of the motor body 28 is fixedly provided with a busbar 31, and the neutral point of the flat copper coil 30 is welded on the upper end of the busbar 31, that is, considering the convenience of welding to reduce the welding points, and retaining the process area of the yoke of the motor body 28.

[0032] Working principle: in use, the utility model is opened by controlling the conveying motor 7, when the conveying motor 7 is opened, the lower conveying wheel 8 is driven to rotate, when the lower conveying wheel 8 rotates, the flat copper wire is clamped and conveyed forward through the friction force of the upper conveying wheel 12, when the flat copper wire is clamped and conveyed forward, the flat copper wire is rotated and unwound through the unwinding wheel 3, the upper and lower ends of the conveyed flat copper wire are guided and rolled through the wire guide wheel 6, the flat copper wire is conveyed and guided through the guide groove 13, and the first telescopic cylinder 9 is controlled to be opened and extended at the same time, when the first telescopic cylinder 9 is extended, the lifting table 10 moves up and down linearly, when the lifting table 10 moves up and down linearly, the upper conveying wheel 12 moves up and down linearly, so that the linear distance between the upper conveying wheel 12 and the lower conveying wheel 8 is adjusted, so that the flat copper wire is conveyed forward, and the friction force of the flat copper wire clamped and conveyed by the upper conveying wheel 12 and the lower conveying wheel 8 is adjusted;

[0033] When the flat copper wire is conveyed forward, the third telescopic cylinder 21 is controlled to be opened to extend and retract, when the third telescopic cylinder 21 extends and retracts, the transmission rack 32 moves linearly left and right, when the transmission rack 32 moves linearly left and right, the transmission rack 32 is engaged to drive the transmission tooth disc 33 to reciprocate, when the transmission tooth disc 33 reciprocates, the transmission tooth disc 33 is driven by the rotating shaft column 23 to reciprocate, when the transmission tooth disc 33 reciprocates, the winding clamp column 25 and the winding clamp block 26 are synchronously driven to reciprocate, when the winding clamp column 25 and the winding clamp block 26 reciprocate, the flat copper wire after conveying is pushed to bend and wind, when the flat copper wire bends and winds, the inclined block 27 guides the flat copper wire after bending and winding upwards, so that the flat copper wire after bending and winding is gradually stacked upwards, when the flat copper wire is stacked to the required number of turns, the second telescopic cylinder 15 is synchronously controlled to be opened to extend, when the second telescopic cylinder 15 extends, the moving plate 16 moves linearly inward, when the moving plate 16 moves linearly inward, the cutting knife 18 moves linearly inward, when the cutting knife 18 moves linearly inward, the flat copper wire is cut and cut off, so that the complete winding operation of the flat copper wire is realized without too much manual intervention.

[0034] It should be noted that the relational terms herein such as first and second and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any such actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0035] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made thereto without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A stator coil winding device for a permanent magnet motor, characterized in that: The equipment includes a processing table (1), an extension bracket (2) fixed to the rear side of the upper end of the processing table (1), a wire feeding wheel (3) for feeding flat copper wires is rotatably connected to the inner side of the upper end of the extension bracket (2) via a rotating shaft, a conveyor table (5) is fixedly installed in the middle of the upper end of the processing table (1), a conveyor motor (7) is fixedly installed on the outer side of the upper end of the conveyor table (5), a lower conveyor wheel (8) is fixedly installed on the inner drive shaft of the conveyor motor (7), a first telescopic cylinder (9) is fixedly installed at the top of the conveyor table (5), a lifting platform (10) is fixedly installed on the telescopic part of the lower end of the first telescopic cylinder (9), a vertical slide rail (11) is movably connected to the inner side of the lifting platform (10) with a limit fit, an upper conveyor wheel (12) is rotatably connected to the inner side of the lower end of the lifting platform (10) via a pin shaft, a guide groove (13) for guiding flat copper wires is fixedly installed on the front side of the upper end of the conveyor table (5), and an opening plate (14) is fixedly installed on the front side of the upper end of the conveyor table (5). A support platform (19) is fixedly installed on the front side of the upper end of the processing table (1). A horizontal limiting slide rail (20) is fixedly installed on the upper end of the support platform (19). A transmission rack (32) is movably connected to the upper end of the horizontal limiting slide rail (20). A third telescopic cylinder (21) is fixedly installed on the front side of the support platform (19). A U-shaped frame (22) is fixedly installed on the rear side of the upper end of the support platform (19). A rotating shaft column (23) is rotatably connected through the middle of the upper end of the U-shaped frame (22). A transmission gear plate (33) is fixedly installed on the lower end of the rotating shaft column (23). A winding disc (24) is fixedly installed on the upper end of the rotating shaft column (23). A winding clamp (25) and a winding clamp block (26) are fixedly installed on the upper end of the winding disc (24). An inclined block (27) for guiding the flat copper wire upward is fixedly installed on the top of the winding clamp (25) and the winding clamp block (26).

2. The permanent magnet motor stator coil winding device according to claim 1, characterized in that: The upper rear side of the extension bracket (2) is fixedly installed with a support arc plate (4) for attaching and supporting the flat copper wire.

3. The permanent magnet motor stator coil winding device according to claim 2, characterized in that: The upper rear side of the conveyor platform (5) is rotatably connected by a pin to a guide wheel (6) for guiding and rolling support of the upper and lower ends of the flat copper wire. There are several guide wheels (6), which are symmetrically distributed on the upper rear side of the conveyor platform (5). The lower conveyor wheel (8) is rotatably connected to the upper end of the conveyor platform (5) through a rotating shaft.

4. The permanent magnet motor stator coil winding device according to claim 3, characterized in that: The vertical slide rail (11) is fixedly installed on the inner side of the upper end of the conveyor table (5), and the upper conveyor wheel (12) and the lower conveyor wheel (8) are on the same vertical line.

5. A permanent magnet motor stator coil winding device according to claim 4, characterized in that: The front end of the opening plate (14) is fixedly installed with a second telescopic cylinder (15). There are two second telescopic cylinders (15), which are symmetrically distributed on both sides of the front end of the opening plate (14). The telescopic part inside the second telescopic cylinder (15) is fixedly installed with a moving plate (16). The moving plate (16) is movably connected to a horizontal slide groove (17) in a limiting fit. The moving plate (16) is fixedly installed with a cutting blade (18) for cutting flat copper wire. The horizontal slide groove (17) is fixedly installed at the front end of the opening plate (14).

6. The permanent magnet motor stator coil winding device according to claim 5, characterized in that: The inner telescopic part of the third telescopic cylinder (21) is fixedly installed at the front end of the transmission rack (32). The front end of the transmission rack (33) is meshed with the rear end of the transmission rack (32). The winding pin (25) and the winding block (26) are staggered at the front and rear of the upper end of the winding plate (24). The upper ends of the winding pin (25) and the winding block (26) are respectively provided with opening slots for limiting the flat copper wire.

7. A brushless flat wire motor, characterized in that: The motor body (28) includes a stator (29) fixedly installed inside the motor body (28), a flat copper coil (30) is embedded inside the stator (29), a busbar (31) is fixedly installed on the yoke of the motor body (28), and the flat copper coil (30) is wound by the permanent magnet motor stator coil winding device according to any one of claims 1-6.

8. A brushless flat wire motor according to claim 7, characterized in that: There are several flat copper coils (30), with each pair of positive and negative flat copper coils (30) forming a group. Several groups of flat copper coils (30) are symmetrically distributed inside the stator (29) and connected by sheathed flexible wires resistant to high temperature and high pressure. The neutral point of the flat copper coils (30) is welded to the upper end of the busbar (31).

Images