225results about "Embedding prefabricated windings" patented technology

This method for manufacturing a stator coil of a rotating electrical machine includes: a winding step of arraying the plurality of conductive wires in one row and winding, while maintaining an arrayed state, each of the conductive wires a predetermined number of times on each of a plurality of the reels having different diameters, to form a plurality of coils connected to each other by a jumper wire; a gripping step of detaching each of the plurality of coils from the corresponding reel while maintaining the arrayed state of the plurality of conductive wires; and an insertion step of disposing, in the stator core, the plurality of gripped coils so as to stack the coils in an order of insertion into the core slots, and then inserting the coils into the core slots.

A stator includes: a stator core having an annular shape, a coil, and a cover member having a cylindrical shape. The stator core includes a plurality of teeth portions that are aligned in a circumferential direction and a plurality of slots that are formed between the teeth portions which are adjacent to each other in the circumferential direction. In the coil, a plurality of conductor wire portions are wound around each of the teeth portions through the slots. The cover member is arranged to be inserted into an inner circumferential portion of the stator core such that an outer circumferential surface faces an opening on an inside in a radial direction of the plurality of slots. A foamable insulation member that covers an outer surface of the plurality of the conductor wire portions of the coil and is bonded to the outer circumferential surface of the cover member through the opening of the slots is loaded in each of the slots.

A method for the making of a stator for electric motors, comprising providing two jigs, each having a circular opening inside the jig and a series of teeth inside the circular opening extending towards a central axis, the teeth defining a series of slots; arranging the two jigs coaxially spaced along a central axis; winding, between the teeth, a plurality of wires to form a plurality of windings, so the wires of each winding occupy a plurality of the slots of both jigs; the windings including linear wire portions extending between the two jigs; inserting, from the inside, a plurality of first stator portions between the linear wire portions; and inserting, from the outside, a plurality of second stator portions complementary to the first stator portions between the linear wire portions, to form a stator body.

The utility model relates to the technical field of stator coil inserting, in particular to a coil inserting die and a coil inserting machine, the coil inserting die comprises a push head and a push seat, the push head is located at the front side of the push seat, the push head and the push seat are connected through at least one connecting column, the push head and the push seat can be driven to move together, and the push head is located at the front side of the push seat. The push head is used for pushing a coil to insert the coil, and the push seat is used for pushing slot cover paper into a stator iron core. According to the wire inserting die provided by the utility model, the conventional structure is simplified and improved, a paper beating mechanism and a paper storage mechanism are removed, the push rod structure is simplified, and a simple wire inserting scheme which is simple in structure and low in cost is formed.

The utility model belongs to the technical field of motor assembly equipment, and particularly relates to a stator coil press fitting device which comprises a supporting frame. The material carrying table is arranged at the lower end of the supporting frame; the clamping and pressing mechanism is mounted on the supporting frame; the material clamping and press-fitting mechanism comprises a moving assembly arranged on the supporting frame; the press-fitting assembly is mounted on the moving assembly; the press-fitting assembly is provided with a third driving part, a mounting frame, a pressing die and a first clamping jaw air cylinder, the pressing die is hollow, the first clamping jaw air cylinder is provided with a plurality of first clamping jaw parts, and the lower ends of the first clamping jaw parts penetrate through the pressing die. The material clamping and press-fitting mechanism can be used for conveying the stator coil and can also be used for press-fitting the stator coil, the size of a machine is reduced, the press-fitting efficiency of the stator coil is improved, a first clamping jaw piece of a first clamping jaw air cylinder penetrates through a pressing die to internally support and fix the stator coil, and when the first clamping jaw piece loosens the stator coil, the stator coil is pressed by the first clamping jaw air cylinder. The stator coil press-fitting device is simple and rapid to operate, and ensures the production efficiency.

The utility model belongs to the technical field of flat wire motor stator production, and specifically relates to a flat wire motor stator wire pressing machine, comprising a workbench, a support frame is installed on the workbench, a first motor is installed on the top of the support frame, a first gear is installed on the output end of the first motor, a ball screw is installed on the support frame, a nut sleeve of the ball screw is provided with a second gear, a screw of the ball screw is fixedly connected with a pressing plate, and a chain is installed between the first gear and the second gear; a tripod is installed on the workbench, a second motor is installed on the tripod, the output end of the second motor is meshed and connected with a fourth gear through a third gear, and a base including a mounting barrel is installed on the fourth gear through a transmission shaft; the pressing plate comprises a pressing portion and a limiting portion, and a guide rod penetrating the limiting portion is installed on the top of the support frame; it is realized that when one flat wire motor is fixed in the wire pressing process, another flat wire motor that has completed the wire pressing can be removed and installed, thereby increasing production efficiency.

The invention discloses a stator coil installation production line, and relates to the technical field of stator coil installation production equipment.The stator coil installation production line comprises a plurality of turnover discs, a feeding device, a first conveying device, a turning-around device, a second conveying device, a third conveying device, a discharging device and a transferring device; each device is also provided with a corresponding specific structure, for example, the first conveying device and the third conveying device are respectively provided with a carrier roller, a lifting mechanism, an installation operation mechanism and the like, and the installation operation of the stator coil can be carried out on the first conveying device, the second conveying device and the third conveying device. According to the invention, automatic feeding, conveying, turning around and discharging of the stator coil and transfer operation of the turnover disc are realized, the efficiency of installation and production of the stator coil is improved, and the labor intensity of workers is reduced.

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.

To enable a coil body to be supported by an armature core and ensure the positional accuracy of the coil body with respect to the armature core.SOLUTION: A stator has a stator core, a coil body 32, and a coil body support member 60. The coil body 32 has a band member 34 wound annularly in the circumferential direction, a coil 16 formed on the band member 34, and a coil body side recess 34D provided on the band member 34. The coil body support member 60 is provided between the stator core and the coil body 32 and is attached to the stator core. The coil body support member 60 has a support member side protrusion 62D. The coil body 32 is positioned with respect to the stator core by engaging the support member side protrusion 62D and the coil body side recess 34D.SELECTED DRAWING: Figure 17

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 invention specifies a method for producing a stator (11) for an electric machine (1), in which method a stator laminated core (12) having a plurality of helically extending stator slots (15), which form a skewing of the stator laminated core (12), is provided. A stator winding (14, 14a, 14b) is also provided, which comprises a plurality of straight and mutually parallel conductor portions (B, B1, B2) and a plurality of connecting portions (C), wherein at least in each case two of the parallel conductor portions (B, B1, B2) are connected to each other at a respective one of their ends by means of one of the connecting portions (C). Finally, the stator winding (14, 14a, 14b) is inserted into the stator slots (15), the stator winding (14, 14a, 14b) already having an asymmetry corresponding to the skew before being inserted into the stator slots (15). The invention also specifies an intermediate product of a stator winding (14, 14a, 14b), an electric machine (1) having a stator (11) of the kind mentioned, and also a vehicle (22) having such an electric machine (1).

The utility model relates to the technical field of motor stator coil installation auxiliary tools, in particular to a motor stator coil insertion tool which can enable the periphery of a stator coil to descend synchronously, prevent the stator coil from inclining and being clamped, enable the stator coil to be installed more smoothly and bring convenience to workers. Comprising a base, three sets of ground feet are fixedly arranged at the bottom end of the base in an annular array mode, three sets of supporting plates are fixedly arranged at the top end of the base in an annular array mode, clamping studs are arranged on the three sets of supporting plates in a screwed mode, and the outer ends of the three sets of clamping studs are fixedly sleeved with rotary knobs. A guide sleeve is fixedly arranged on one side of the support, a guide rod is fixedly connected to one side of the top end of the pressing disc, the guide rod is arranged on the guide sleeve in a sliding mode, and a limiting plate is fixedly connected to the top end of the guide rod.

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.

A method and an apparatus for making a stator for axial flux and distributed winding electric motors are described, as well as a stator and a motor obtained with the method described. The method provides for making coils with linear lengths of conducting wire. First linear lengths of coil are inserted into open stator slots of a stator body, so that to occupy all the stator slots. Second linear lengths of coil are gripped by a tool and roto-translated, with respect to the corresponding first linear lengths, up to also being inserted into the stator slots, above the first linear length of a different coil. For this, the apparatus comprises a lower tool having the task of holding the stator body with the open slots facing upward, and an upper tool provided with teeth which jut out towards the lower tool, to grip the coils and impart roto-translation. The linear lengths of the coils are preferably subjected to a pressing and / or carburizing treatment before being inserted into the stator slots.

An armature for an electric machine, the armature comprising: an armature core (11) in which a plurality of slots (13) are arranged in a slot width direction; and an armature winding (20) mounted on the armature core (11), characterized in that the armature winding (20) comprises a plurality of two-track first winding bodies (22, 22B), each formed from two seamless, continuous conductor wires (19) coated with insulation; the two-track first winding bodies (22, 22B) are arranged at a distance of one slot in the slot arrangement direction, so that the two conductor wires are mounted in a third slot (133), a first slot (131), and a second slot (132), which are sequentially arranged in the slot arrangement direction at an angular pitch of p slots, where p is a natural number greater than or equal to 2;that the two conductor wires (19) forming the two-lane first winding bodies (22, 22B) are layered in a slot depth direction of the armature core (11); that the two-lane first winding bodies (22, 22B) have a number m of a coil pattern in which the two conductor wires (19) layered in the slot depth direction are sequentially inserted into the first slot (131), the second slot (132), the first slot (131), and the third slot (133), where m is a natural number greater than or equal to 1; and that the number m of the coil pattern are lined up in the slot depth direction.

The invention belongs to the technical field of electrical mechanical equipment, and relates to a coil inserting machine stator push-out device which is characterized in that a bottom plate is provided with a stator supporting plate which is fixedly connected through a screw, a fixed seat is fixedly connected to the bottom plate through a screw, a cushion block is fixedly connected to the cushion block through a screw, and an air cylinder fixing plate is provided with a sliding sleeve which is fixedly connected to the cushion block through a screw. The cylinder is fixedly connected to the front end of the cylinder fixing plate and connected with the top plate through a floating connector, the guide rod is fixedly connected to the top plate through a sliding sleeve screw, and the push block is fixedly connected to the top plate through a screw. The stator push-out device of the coil inserting machine has the advantages of simple structure, high working efficiency, low cost, stability and reliability.

A 3D printed metal coil for an electrical machine. The 3D printed coil has a plurality of turns and is configured to fit within a slot in an electrical machine. A cross-sectional shape of successive turns of the plurality of turns varies such that a portion of each turn forms a part of an external surface of the metal coil, the external surface forming an interface with a side of the slot.

A method of manufacturing a stator for an electric motor having a stator body (10) having a plurality of stator teeth arranged radially about a common central axis (Y) and a plurality of sectors (3) defined between the teeth and into which one or more windings (4) made of conductive wire (14) are at least partially inserted, the method comprising the steps of: The method comprises: providing two jigs (2, 2'), each having an inner periphery defining a circular opening (20', 20") within the jig (2, 2') and a series of teeth (21, 21') projecting into said circular opening (20', 20") towards a common central axis (Y), said series of teeth defining a series of slots (22', 22") therebetween; disposing the two jigs (2, 2') coaxially about a common central axis (Y) and spaced apart along the central axis (Y); winding or inserting a plurality of the windings (4) of the conductive wire (14) having straight wire portions (4a, 4b) extending between the jigs (2, 2') between the teeth (21, 21') of the jigs (2, 2') to form a plurality of windings (4) and occupy a plurality of the slots (22', 22") of both of the jigs (2, 2'); inserting a plurality of first stator sections (6) between the straight wire sections (4a, 4b) from the inside; and inserting a second stator portion (7) complementary to the first stator portion (6) from the outside between the straight wire portions (4a, 4b) to join the first stator portion (6) and the second stator portion (7) to form a stator body (10) including the straight wire portions (4a, 4b) in separate sectors (3) defined between the first stator portion (6) and the second stator portion (7).

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 station (1) for forming a lattice of inductive windings of electric conductors (C) of the hairpin type, wherein each conductor (C) is fork-shaped with two straight shanks (D) of different length joined by a bridge (F). The station (1) comprises a forming tool (4) configured to temporarily accommodate a plurality of conductors (C) about a first axis of symmetry (2a), so as to form the lattice (3) with the bridges (F) of each conductor (C) arranged substantially at the same axial height; it further comprises a pushing element (7) configured to be moved along the first axis of symmetry (2a) so as to push the lattice (3) with respect to the forming tool (4): the pushing element (7) comprises a pusher (8) provided with an operative face (8a) designed to abut against terminal fronts (E) of the shanks (D) of the electric conductors (C) which form the lattice (3). The operative face (8a) of the pusher (8) has a radially-inclined annular configuration with a protrusion that decreases as it progresses further away from the first axis of symmetry (2a), so as to abut against the electric conductors (C) at different axial heights along a radial direction. The operative face (8a) is configured to move axially while remaining in abutment against the terminal fronts (E), until it partially lifts the shanks (D) of the electric conductors (C) that form the lattice from the forming tool (4), so as to enable a subsequent extraction of the lattice (3) from the forming tool (4) by means of an extractor element (9).

A method and apparatus for production of a multiphase electromagnetic mat for forming current carrying components of a power conversion system, wherein the electromagnetic mat comprises structural fibre lengths divided into at least two groups and winding fibre lengths divided into several groups corresponding to the number of phases and the number of parallel conductors of one phase, wherein the winding fibre lengths are retained in position by the groups of structural fibre lengths.

The present invention provides a method and apparatus forproduction of a multiphase electromagnetic mat (10) for forming current carrying components of a power conversion system, wherein the electromagnetic mat (10) comprises structural fibre lengths (20)divided into at least two groups (21, 22) and winding fibre lengths(71A, 71B) divided into several groups corresponding to the number of phases and the number of parallel conductors of one phase,wherein the winding fibre lengths (71A, 71B) are retained in position by the groups (21, 22) of structural fibre lengths (20).

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 the technical field of motor assembly, in particular to a shrinkage fit tool and method for a stator winding, the shrinkage fit tool comprises a guide column, an expansion sleeve and a driving part, and the outer surface of the guide column is provided with a guide surface which is obliquely arranged from top to bottom; the multiple expansion sleeves are arranged in the circumferential direction of the guide column at intervals, and the inner side of each expansion sleeve is provided with a matching face used for being attached to the corresponding guide face. The driving piece is arranged to be capable of driving the plurality of expansion sleeves to move downwards along the guide surfaces of the guide columns at the same time so as to expand the stator winding to be mounted from inside to outside; according to the invention, the plurality of expansion sleeves are driven by the driving piece to move downwards along the guide surfaces of the guide columns at the same time, the stator winding is expanded from inside to outside, the stator winding is prevented from being eccentric in the shrinkage fit process, the position accuracy of the stator winding in the process of mounting the shrinkage fit to a motor base can be ensured, and the quality of the stator winding is improved. The problem that the motor performance is reduced due to the installation position error of the stator winding is effectively solved.