94results about "Embedding prefabricated windings" patented technology

An e-machine includes a stator core having a first axial end and a second axial end that are separated along a longitudinal axis. The stator core has a slot that extends between the first axial end and the second axial end. The e-machine further includes a plurality of winding members. The plurality of winding members comprise a plurality of longitudinal segments that are received in the slot and that extend between the first axial end and the second axial end. Individual ones of the plurality of longitudinal segments have a cross-sectional profile that is non-circular. The plurality of longitudinal segments are disposed in an abutting arrangement to define a fluid passageway within the slot and between neighboring ones of the plurality of longitudinal segments. The fluid passageway extends between the first axial end and the second axial end of the stator core.

An electric motor casing. A method of manufacturing an electric motor casing. A method of assembling an electric motor. An electric motor including a motor casing and an interior assembly press fitted to the motor casing. According to certain examples, the motor casing includes a structural feature that changes shape to allow the motor casing to expand when the interior assembly is press fitted to the motor casing. According to certain examples, the interior assembly is press fitted to the motor casing without heating the motor casing.

The utility model provides a wire embedding cooperation mechanism of an embedding and expanding all-in-one machine, and belongs to the technical field of stator processing. The wire embedding matching mechanism of the embedding and expanding all-in-one machine comprises a paper pushing and wire hanging structure, a push plate moving structure, a guide seat clamping structure and a feeding and shearing structure, the push plate moving structure is arranged between the front machine plate and the rear machine plate and mainly comprises a front thrust fixing plate and a rear thrust fixing plate; the paper pushing and line hanging structure is arranged between the front machine plate and the rear machine plate, protrudes out of the front machine plate and structurally comprises a guiding head, a tooth guiding base, a clamping gear, a discharging warehouse, a fixing base, a paper pushing strip, a front pushing plate gasket and a rear pushing plate gasket in sequence from front to back. The guide seat clamping structure is arranged on the front machine plate and comprises a guide seat rotating structure and a clamping fixing structure; the feeding and shearing structure is arranged on the rear side of the front machine plate and below the paper pushing and line hanging structure and mainly comprises a shearing tool apron, a pre-feeding box and a paper passing plate. The device has the advantages of simple transmission structure, simplicity, high efficiency, lower maintenance cost and higher practicability.

The present invention relates to a stator of a rotating electric machine and a method for manufacturing same. The stator of the rotating electric machine of the present invention comprises: a stator core provided with a plurality of slots spaced apart from each other along the circumferential direction; and a stator coil wound on the stator core, wherein the stator coil is configured to be provided with a plurality of magnet wire modules including a plurality of magnet wires, each having a straight shape disposed along the axial direction, and molding parts surrounding and fixing the plurality of magnet wires, the plurality of magnet wire modules are configured to be inserted into the plurality of slots, respectively, and the plurality of magnet wires are configured to be bent along the circumferential direction of the stator core so as to be in contact with each other, and then, to be connected to conduct electricity. Accordingly, the bending operation of the magnet wire can be suppressed before slot insertion to facilitate the insertion of the magnet wire.

Power-dependent component for an electric motor, comprising a cylindrical laminated core with a plurality of radially extending slots and a double-layered wave winding mat inserted into the slots, wherein the double-layered wave winding mat comprises a first mat (1) and an identical second mat (2), each having at least one conductor strand comprising at least one conductor formed into parallel webs (3) and winding heads (4) connecting these, wherein the webs (3) of the first mat (1) and the webs (3) of the second mat (2) are arranged alternately in a first and a second mat plane (E1, E2), wherein the first mat (1) and the second mat (2) are arranged offset from each other in a longitudinal direction (R) perpendicular to the webs (3),that a single-layer starting region (5) is formed only by the first mat (1) and a single-layer ending region (6) is formed only by the second mat (2), and that between the starting region (5) and the ending region (6) the webs (3) of the first mat (1) and the webs (3) of the second mat (2) are arranged in pairs overlapping each other, and that the double-layer winding mat forms a plurality of concentric winding layers (L1 - L5), characterized in that the starting region (5) is arranged in the first of the winding layers (L1) and the ending region (6) is arranged in the last of the winding layers (L5), and that the starting region (5) and the ending region (6) together have a length corresponding to the length of a section of the wave winding mat arranged in one of the winding layers (L1 - L5), and that the starting region (5) in the first of the winding layers (L1) has a first half and the ending region (6) in the last of the winding layers (L5) has a second half covers.

To provide a flat wire motor stator copper wire forming device.SOLUTION: A flat wire motor stator copper wire forming device includes: a supply mechanism 1 for automatically inputting a copper wire coil and straightening a copper wire; an enamel coating removal mechanism 2 for automatically removing enamel coating relative to four side faces of a straightened copper wire; a chamfering mechanism 3 for cutting four corners at the same position of the copper wire after enamel coating is removed; a wire feeding mechanism 4 for automatically feeding a wire in a machining process of the supply mechanism, the enamel coating removal mechanism, and the chamfering mechanism; a slicing mechanism 5 for slicing the machined copper wires to a predetermined length; a 2D forming mechanism 10 for 2D forming the sliced copper wire cut to a predetermined length; a transport mechanism 6 for transferring the copper wires after 2D forming to a 3D forming mechanism 7; the 3D forming mechanism for performing 3D press forming relative to the copper wire after 2D forming; and a discharge unit for collecting the copper wire after 3D forming.SELECTED DRAWING: Figure 1

Gripping device (10, 100) for gripping hairpins and for placing gripped hairpins in, in particular, stators of electric motors, comprising a base body (12), a first gripper (20) provided on the base body (12), and a second gripper (22), wherein the first gripper (20) and the second gripper (22) each have gripping jaws (26) that can be moved towards and away from each other along a gripping axis (24), wherein a cantilever arm (32) is provided on the base body (12) which is pivotable about a cantilever arm pivot axis (36), and in that the second gripper (22) is rotatable on the cantilever arm (32) about a transverse axis (34) extending transversely to its gripping axis (24), characterized in that a first drive train which can be driven by a first drive (44) is provided in or on the base body (12) with which the second gripper (22) is rotatable about its transverse axis (34).

The present invention provides a production method and apparatus for a multiphase electromagnetic mat (10) for forming a current-carrying component of a power conversion system, wherein the electromagnetic mat (10) comprises: a structural fiber section (20) divided into at least two groups (21, 22); and a winding fiber section (71A, 71B) divided into a number of groups corresponding to the number of phases and the number of parallel conductors of one phase, wherein the winding fiber section (71A, 71B) is held in place by the groups (21, 22) of the structural fiber section (20).

The invention relates to an automatic combination device for a middle plate-mounted coil stator sheet, in particular to the technical field of automatic processing equipment. Comprising a conveying device, a coil supplying and feeding device, a middle plate assembling device, a sealing piece assembling device and a stator piece assembling device which are sequentially arranged in the conveying direction of the conveying device. The problems that at present, the number of parts of a middle plate assembly is large, production of the middle plate assembly is completed mainly through manual assembly, and batch production requirements are difficult to meet are solved; and the problems of positioning deviation, angle dislocation and insufficient assembly precision of parts caused by easy fatigue in the manual batch assembly process are solved.

The present invention relates to a winding pad device (21) configured as a stator winding for a stator, wherein the winding pad device (21) has at least two winding pads (17, 18, 19, 20) that intersect each other. The present invention also relates to a method for manufacturing a stator.

The invention provides a welding method capable of suppressing welding deviation in an assembly. The present invention relates to a welding method for welding a conductive wire (15) and a terminal (17) inside an assembly (1) by bringing the conductive wire (15) and the terminal (17) into contact with each other, in which a jig (19) that can be operated from the outside of the assembly (1) is driven, and the conductive wire (15) and the terminal (17) are brought into contact with each other. By managing the driving force of the jig (19), welding is performed while a predetermined pressing force is applied between the conductive wire (15) and the terminal (17).

The utility model relates to the technical field of coil inserting machines, and discloses a coil inserting machine trimming clamping mechanism which comprises a coil inserting machine trimming frame, the top end of the coil inserting machine trimming frame is fixedly connected with a telescopic air cylinder, the bottom end of the telescopic end of the telescopic air cylinder is fixedly connected with a moving plate, the top end of the moving plate is fixedly connected with a limiting assembly, and the limiting assembly is fixedly connected with the coil inserting machine trimming frame. The bottom end of the moving plate is fixedly connected with a connecting frame, the inner side of the connecting frame is fixedly connected with an elastic assembly, the bottom end of the elastic assembly is fixedly connected with a clamping frame, the inner side of the coil inserting machine trimming frame is movably connected with a cable, and the bottom end of the moving plate is fixedly connected with a trimming blade. The number of the limiting assemblies is two, the two limiting assemblies are distributed on the outer side of the telescopic air cylinder in a bilateral symmetry mode, and the number of the clamping frames is two. The wire cutting and clamping mechanism of the wire inserting machine has the advantages that the wire cutting and clamping mechanism can limit the cable, so that the wire cutting effect of the cable can be improved, and the like.

The utility model discloses motor coil fixing and riveting equipment which comprises a fixing frame, a limiting device and a riveting device, the riveting device comprises a riveting motor, a riveting head and a riveting fixing block, and the riveting motor and the riveting head are arranged on the riveting fixing block and rotate synchronously; the limiting device comprises a limiting column and supporting blocks, and the four supporting blocks are arranged on the outer side of the limiting column, are in end-to-end contact and do reciprocating motion in the radial direction of the limiting column through a driving mechanism; the limiting column is arranged on the fixing frame, guide rails are arranged on the fixing frame on the two sides of the limiting column, the grinding and riveting fixing block is arranged on the guide rails and reciprocates along the guide rails on the moving mechanism, and the grinding and riveting head is located at the end close to the limiting column. The limiting device is clamped through the two grinding and riveting devices, grinding and riveting are carried out on a motor magnetic pole hole arranged on the limiting device in a sleeving mode when the grinding and riveting devices move towards the limiting device, grinding and riveting connection of a magnetic pole coil and a motor shell is achieved, and the problem that bolt connection is prone to loosening and falling off is solved.

The invention relates to a mounting device for mounting at least one arc-shaped winding mat in a stator body of an electric rotary machine, a method for mounting at least one arc-shaped winding mat and a stator of an electric rotary machine. The assembly device (140) comprises a magazine (141) for receiving the arc-shaped winding mat with receiving grooves (142) for receiving linear sections (21) of at least one conductor element (20) of the winding mat (40), wherein the magazine (141) has a support (143) for axially supporting the winding mat (40), in which several openings (145) are formed in a first plane (144), wherein the assembly device (140) further comprises a push unit (150) which has several push elements (151) whose respective positions are assigned to individual openings (145), so that when the push elements (151) are displaced transversely to the first plane (144), the push elements (151) can be inserted into the openings (145) and the linear sections (21) of at least one conductor element (20) can be pushed out of the receiving grooves (142). The assembly device and method for assembling at least one arc-shaped winding mat and the stator of an electric rotary machine ensure the cost-effective manufacture and assembly of a stator winding with a small installation space requirement.

To set a crossover wire length to an appropriate length to improve productivity.SOLUTION: A winding device 20 for a split core according to the present disclosure comprises: a core supporting member 26 having a first core supporting part 29 and a second core supporting part 30, is rotatable around a rotary axis, and is slidable in a slide direction S; a wire nozzle 22; and a side guide 27 arranged on one side in the slide direction S of the core supporting member 26 to define a core accommodation space. The core supporting member 26 arranges the second core supporting part 30 at a winding position by a sliding movement from a first state in which the first core supporting part 29 is arranged at the winding position toward the above one side, and can change to a second state in which a first split core 10a is accommodated in the core accommodation space. The side guide 27 covers the first split core 10a in the second state, and restricts interference of a winding 14 toward the first split core 10a during a winding around a second split core 10b to guide the winding 14 toward the second split core 10b side.SELECTED DRAWING: Figure 5

This invention discloses a duct pump motor assembly fixture, which includes a moving mechanism and a coil fixing component and a stator fixing component disposed on the moving mechanism. The coil fixing component and the stator fixing component are positioned close to or far apart from each other on the moving mechanism. Compared with the prior art, this invention, through the moving mechanism and the coil fixing component and stator fixing component disposed on the moving mechanism, enables the coil to be stably installed in the inner cavity of the stator, completing the mechanical assembly of the stator and the coil. The assembly is highly stable and accurate, and there is no deviation in the installation position. This effectively solves the problems of time-consuming, labor-intensive, and inaccurate manual assembly, thereby improving the performance of the assembled motor and benefiting production.

The invention relates to a stator of an electric machine (2) comprising a laminated core (3) which comprises laminations (4) and on which stator teeth (5) and stator slots (6) lying between the stator teeth (5) are formed, said laminated core extending about a stator axis (7), wherein a respective conductor bundle (9) of a stator winding (10) runs in each stator slot (6), and sleeves (11) are provided in the stator slots (6) of the laminated core (3), said sleeves at least partly surrounding the conductor bundle (9) of each stator slot (6). The invention is characterized in that - the material for producing each sleeve (11) is an expandable material, in particular a thermally expandable material, and - the conductor bundles (9) are locally clamped in the stator slots (6) as a result of an expansion of the sleeves (11), thereby forming clamping points (12).

Provided is a method of manufacturing a coil unit, which is suitable for collectively manufacturing a plurality of coil portions in a multi-axis linear motor actuator. The method including a plurality of linear shaft motors in a row at a predetermined pitch includes a step of preparing a coil fixing member having a receiving portion adapted to receive the plurality of coil portions, same in number as the plurality of the linear shaft motors, arranged in a row at the predetermined pitch, a step of arranging the plurality of coil portions in a row in the coil fixing member and fixing the plurality of coil portions, and a step of arranging a magnetic shielding plate, longer than the coil portion, along a center axis direction at least at a position corresponding to a space between adjacent ones of the plurality of coil portions arranged in a row.

To provide a manufacturing method of a slotless motor with less time.SOLUTION: A manufacturing method of a stator for a slotless motor includes the steps of: arranging a conductor in an annular cylinder shape; bonding a plurality of bonding parts 302 of the conductor; and providing a plurality of petal-like parts 410 repeated along the conductor by bending the conductor. Non-bonding parts 301 of petal-like parts are bundled by a circumference of a first circle 451, and the first circle has a first diameter. The non-bonding parts for connecting the petal-like parts are bordered by a circumference of a second circle 452, and the second circle has a second diameter. The second diameter is smaller than the first diameter, and the first and second circles are on the same plane and are concentric. By rotating the petal-like parts with a point of the second circle as a center, and aligning the bonding parts of all of the petal-like parts in parallel, a cylinder-shaped conductor having a diameter which is equivalent to the second diameter is contained. The bonding parts are arranged around a central longitudinal axis of the cylinder-shaped conductor at an equivalent distance from the central longitudinal axis.SELECTED DRAWING: Figure 4A

The invention relates to a winding carrier, in particular a stator, for an axial flux machine having a winding carrier yoke, from which winding carrier teeth distributed circumferentially on one or both sides in the axial direction project with interposed winding carrier grooves, in which at least one winding wire is deposited to form at least one winding, wherein the winding carrier is of segmental construction, in which a plurality of winding carrier segments are joined together annularly one behind the other in a circumferential direction, wherein at least one winding carrier segment can be fitted with the winding. The winding of the winding carrier segment is designed as a toroidal winding, in which winding wire is wound around the winding carrier yoke using a toroidal winding technique.

To provide an electric motor and a method for assembling an electric motor, capable of achieving miniaturization by suppressing the protruded winding of a coil caused by using a distributed winding method and also capable of achieving an improvement in efficiency of coil winding work.SOLUTION: An electric motor includes a stator 3 including a plurality of stator salient poles 10 and a plurality of slots, and a plurality of air core coils 20 wound around the stator 3. Each of the air core coils 20 includes a first slot insertion part 21 and a second slot insertion part 22 which are inserted into the two slots, respectively and two coil end parts 23 that are respectively bridged over the slot insertion parts 21, 22. Only one of the slot insertion parts 21, 22 is inserted into one slot, and the second slot insertion part 22 in any air core coil 20 is disposed on the radially outer side of the first slot insertion part 21 in other air core coils 20.SELECTED DRAWING: Figure 3

The invention discloses a hydro-generator stator bar withdrawal system and a use method thereof.The system comprises a withdrawal unit, the withdrawal unit comprises a translation frame, butt joint devices, radial sliding tables and a first annular track, the translation frame is provided with the two butt joint devices, the butt joint devices are used for being connected with bars, the radial sliding tables are installed at the upper end and the lower end of the translation frame respectively, and the first annular track is used for being connected with the radial sliding tables; the translation frame can slide in the radial direction through the radial sliding tables, the bottom of the radial sliding table located on the lower side and the top of the radial sliding table located on the upper side are each provided with a first annular track in a sliding mode, and the translation frame can rotate along the first annular tracks and is used for being installed on the inner side of a stator. According to the invention, the bar is mechanically withdrawn, the construction speed is greatly increased, the construction difficulty is reduced, the withdrawing of the bar is controlled at a millimeter level, and the risks of personnel injury and insulation damage of the bar caused by collision of the bar are eliminated.

The present invention relates to a method for manufacturing a stator (1) for an electric machine (2) for powering a motor vehicle (3). The method comprises: - Providing a stator base body (4) with a plurality of stator slots (5), - Arranging hairpins (6) in the stator slots (5), wherein a hairpin end face (9) of the hairpins (6) has a concave end contour (10) which extends towards a hairpin end surface (8) of a hairpin end (7) projecting from the stator slot (5), and - Twisting the hairpin ends (7) in a circumferential direction (U) of the stator base body (4) by engaging a twisting tool in the concave end contours (10) and exerting a twisting force on the hairpin ends (7) by the twisting tool in a circumferential direction (U). Furthermore, the invention relates to an electric machine (2) for driving a motor vehicle (3) and a motor vehicle (3) with an electric drive system (11)

The application discloses a kind of actuator and the manufacturing method of its circuit board, manufacturing method includes the following steps: step 1: take first circuit structural member with several circuit lines;Step 2: first circuit structural member is carried out patch production, to be respectively welded on each circuit line Electronic component is fixed, finally obtain second circuit structural member with electronic component;Electronic component includes coil;Wherein, before carrying out patch production, the two ends of the coil are shaped using coil shaping jig, then coil positioning jig is used to position between coil and circuit line on first circuit structural member, then patch production is carried out;Step 3: the second circuit structural member obtained in step 2 is segmented into independent actuator circuit board with electronic component and circuit line.Beneficial effects: by this, production efficiency can be greatly improved, and the performance on electronic product is guaranteed.

To provide a flat wire motor stator copper wire forming device.SOLUTION: A flat wire motor stator copper wire forming device includes: a supply mechanism 1 for automatically inputting a copper wire coil and straightening a copper wire; an enamel coating removal mechanism 2 for automatically removing enamel coating relative to four side faces of a straightened copper wire; a chamfering mechanism 3 for cutting four corners at the same position of the copper wire after enamel coating is removed; a wire feeding mechanism 4 for automatically feeding a wire in a machining process of the supply mechanism, the enamel coating removal mechanism, and the chamfering mechanism; a slicing mechanism 5 for slicing the machined copper wires to a predetermined length; a 2D forming mechanism 10 for 2D forming the sliced copper wire cut to a predetermined length; a transport mechanism 6 for transferring the copper wires after 2D forming to a 3D forming mechanism 7; the 3D forming mechanism for performing 3D press forming relative to the copper wire after 2D forming; and a discharge unit for collecting the copper wire after 3D forming.SELECTED DRAWING: Figure 1

A stator coil of a rotating electric machine is formed by a concentric winding method. A stator coil is configured by inserting and connecting hairpin-shaped coil pieces (10, 11, 20, 21, 30, 31) formed from flat wires from one side and the other side in the axial direction. The length of the linear part of the coil piece is half of the axial length of the stator core, a convex shape or a concave shape is formed at the two leg end parts, and the convex part and the concave part are embedded. The coil is composed of three kinds of coil pieces: central coil pieces (10, 11) that connect the slots in the circumferential direction in the vicinity of the radial center of the slots; inner coil pieces (20, 21) that are connected in the circumferential direction so that coil end portions are biased inward in the radial direction than the radial positions of the slots; and outer coil pieces (30, 31) that are connected in the circumferential direction so as to be biased outward in the radial direction. Concentric coil portions formed by connected central coil pieces (10, 11), coil pieces (20, 31), and coil pieces (30, 21) are made to have the same length, so that the resistance values are made to be consistent, and the assemblability is improved.

To provide a method of manufacturing a stator capable of improving uniformity of an adhesive when a flexible circuit board is stuck to a stator core.SOLUTION: The method of manufacturing the stator includes an attaching step of attaching the flexible circuit board 1 to the inner peripheral surface of the stator core 51 by applying the room temperature curing adhesive 80 to at least one of the inner peripheral surface of the stator core 51 and the outer peripheral surface of the flexible circuit board 1, and a pressurizing and curing step of curing the adhesive 80 while maintaining a state in which a pressing force from the inside to the outside of the stator core 51 is applied to the adhesive 80 between the stator core 51 and the flexible circuit board 1 by a magnetic force generated between the stator core 51 and the pressurizing jig 100 by magnetically attaching the plate-shaped pressurizing jig 100 formed of a permanent magnet to the inner peripheral surface of the stator core 51 to which the flexible circuit board 1 is attached by the attaching step along the circumferential direction of the stator core 51.SELECTED DRAWING: Figure 4

The invention relates to a stator (1) for an electric machine (101), having a stator core (20) and a stator winding (7) which has N strands (U, V, W), wherein: – each strand (U, V, W) is formed by shaped conductors (8, 8a-c) which have leg portions (9, 9a-f) and each form connecting portions (10, 11), on the end faces (4, 5), that connect two of the leg portions (9, 9a-f); – the stator winding (7) forms, for each strand (U, V, W), at least one current path which is formed from a series circuit of a plurality of leg portions (9, 9a-f) and in which a last leg portion (9c) of a first current path portion (15a) and a first leg portion (9d) of a second current path portion (15b) are arranged in a reference position (RL1, RL2, RL3), which is a first position (20a) or an L-th position (20f, 20h) of a relevant groove (6), a last leg portion (9e) of the second current path portion (15b) and a first leg portion (9f) of a third current path portion (15c) are arranged in the other position (20f, 20h), and outer leg portions (9a, 9b) of the at least one current path are arranged in a double position (20a, 20c, 20d) comprising the reference position; – the leg portions (9, 9d, 9e) of the second current path portion (15b) occupy winding regions (23a-h) in a circumferential direction (19a, 19b) as a reference direction (RR1, RR2, RR3), and the leg portions (9, 9b, 9f) of the third current path portion (15c) occupy the winding regions (23a-h) in a circumferential direction (19a, 19b) counter to the reference direction (RR1, RR2, RR3); and – a current path is designed to be a first type (14a) of current path, in which the reference position (RL1) is the first position (20a) and the reference direction (RR1) is the first circumferential direction (19a).

To provide a technique for easily maintaining a connection state between a coil and a conductor part without providing a weld part and a soldering part.SOLUTION: A stator 1 includes a stator core 10, a coil 20, a conductor part 60, and an insulation resin 40. The stator core 10 has an annular shape. The coil 20 has a projection part 29 projecting to a side closer to one side in an axial direction than the end on the one side in the axial direction of the stator core 10. In the conductor part 60, the insulation resin 40 connected to the projection part 29 forms a press-fitting groove 50 between the projection part 29 and the insulation resin 40. The conductor part 60 is press-fit into the press-fitting groove 50, and is arranged in a state of being pushed against the projection part 29.SELECTED DRAWING: Figure 7

The invention relates to an electric machine (1) with the features of claim 1 and various methods for manufacturing stator segments (2a) of a stator (2) of an electric machine (1) with the features of claims 8, 9, 10 and 12.