161results about "Embedding prefabricated windings" patented technology

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.

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 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 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.

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.

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 present invention relates to the technical field of motor stator assembly, and in particular to a conductive wire placement disk, comprising a first wire disk and a wire pushing disk, wherein the wire pushing disk is arranged at the upper end of the first wire disk and can rotate around the axis of the first wire disk, and the first wire insertion hole and the first wire groove are evenly distributed. The minimum distance between the first wire insertion hole and the axis of the first wire disk is smaller than the minimum distance between the first wire groove and the axis of the first wire disk, and the wire pushing disk is provided with evenly distributed wire pushing grooves, the line connecting the end points of the first wire groove does not pass through the center of the first wire disk, the line connecting the end points of the wire pushing groove does not pass through the center of the wire pushing disk, and the opening direction of the wire pushing groove is opposite to the opening direction of the first wire groove. When the wire placement disk is in use, the wire pushing groove cooperates with the first wire groove to move the conductive wire from one end of the first wire groove to the other end, so that a circular ring is formed between the conductive wires, which is convenient for subsequent processing.

Method (1) for introducing an insulating film (2) and at least one electrical conductor (3) into at least one slot (4) of a stator (5) of an electrical machine, at least comprising the following steps: axially or radially introducing a spacer element (6) into the slot (4) such that the spacer element (6) bears against a slot base (7) of the slot (4); radially inserting the insulating film (2) into the slot (4) until the insulating film (2) bears against the spacer element (6) and a right-hand leg (8) of the insulating film (2) bears against a right-hand slot edge (9) and a left-hand leg (10) of the insulating film (2) bears against a left-hand slot edge (11) of the slot (4), wherein the respective legs (8, 10) of the insulating film (2) extend radially beyond the respective slot edge (9, 11) in the region of a slot opening (12) of the slot (4); radial insertion of the electrical conductor (3) into the groove (4) until it rests against the insulating film (2) in the region of the spacer element (6);axial removal of the spacer element (6); further radial insertion of the electrical conductor (3) and thus of the insulating film (2) into the groove (4) until the insulating film (2) rests against the groove base (7) of the groove (4); folding the legs (8, 10) of the insulating film (2) in the region of the groove opening (12) in the direction of the electrical conductor (3).

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.

The present invention provides a production jig and a production method for a rotor assembly. The production jig includes a base, a taking-out mechanism and a reset unit. The base is provided with a coil positioning boss, an oscillator positioning groove, a PCB positioning post and a reset unit. During the production process, the coil and the oscillator of the rotor assembly can be simultaneously fixed on the corresponding coil positioning boss, oscillator positioning groove and PCB positioning post, and the coil, the oscillator and the PCB are bonded and fixed into a whole through glue dots. The rotor assembly is taken out by pressing the taking-out mechanism, and the initial state of the production jig is restored by the reset unit. The coil positioning boss, the oscillator positioning groove and the PCB positioning post on the production jig can effectively ensure the accurate positioning of the rotor assembly, facilitate the realization of automatic production while improving the production efficiency and product quality.

A slotless electric motor and means for making the same, wherein the slotless electric motor has a cylindrical air gap between an inner and outer cylindrical layer. Arcuate orthocyclic windings are secured within the air gap, and electrically connected to an annular circuit board, the annular circuit board further having means to electrically connect power and control wiring to the annular circuit board and therein to the orthocyclic windings.