EP3642944A1 - Dispositif et procédé d'usinage d'au moins un segment conducteur d'un support de bobinage d'une machine électrique - Google Patents

Dispositif et procédé d'usinage d'au moins un segment conducteur d'un support de bobinage d'une machine électrique

Info

Publication number
EP3642944A1
EP3642944A1 EP18728129.0A EP18728129A EP3642944A1 EP 3642944 A1 EP3642944 A1 EP 3642944A1 EP 18728129 A EP18728129 A EP 18728129A EP 3642944 A1 EP3642944 A1 EP 3642944A1
Authority
EP
European Patent Office
Prior art keywords
wedge
actuator
adjusting
wedges
conductor
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP18728129.0A
Other languages
German (de)
English (en)
Inventor
Oliver Christian VOLLMAR
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Strama-Mps Maschinenbau & Co KG GmbH
Original Assignee
Strama-Mps Maschinenbau & Co KG GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Strama-Mps Maschinenbau & Co KG GmbH filed Critical Strama-Mps Maschinenbau & Co KG GmbH
Publication of EP3642944A1 publication Critical patent/EP3642944A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
    • H02K15/0056—Manufacturing winding connections
    • H02K15/0068—Connecting winding sections; Forming leads; Connecting leads to terminals
    • H02K15/0081—Connecting winding sections; Forming leads; Connecting leads to terminals for form-wound windings
    • H02K15/0087—Connecting winding sections; Forming leads; Connecting leads to terminals for form-wound windings characterised by the method or apparatus for simultaneously twisting a plurality of hairpins open ends after insertion into the machine
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
    • H02K15/04—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of windings, prior to mounting into machines
    • H02K15/0414—Windings consisting of separate elements, e.g. bars, hairpins, segments, half coils
    • H02K15/0421—Windings consisting of separate elements, e.g. bars, hairpins, segments, half coils consisting of single conductors, e.g. hairpins
    • H02K15/0428—Windings consisting of separate elements, e.g. bars, hairpins, segments, half coils consisting of single conductors, e.g. hairpins characterised by the method or apparatus for simultaneously twisting a plurality of hairpins

Definitions

  • the invention relates to apparatus for processing at least one conductor segment, in particular at least one winding bar, a winding carrier of an electric machine, with at least one receiving crown. Furthermore, the invention relates to a method for processing conductor segments, in particular of winding bars, a winding support of an electrical machine, wherein the conductor segments are held by the winding support, and wherein end portions of the conductor segments protrude from the Wickungssträ- ger.
  • Such devices and methods are known in the art in a variety of configurations. Particularly in applications in the field of electromobility electrical machines, especially electric motors, needed to meet the high performance requirements. Often, electric motors are used for this purpose whose rotor or stator windings are not realized by widely known wire windings, but by means of I- or U-shaped winding bars, which are inserted in corresponding recesses in the laminated core of the rotor or stator and end-side depending on the motor configuration are interconnected.
  • US 2009/0302705 A1 discloses a method and a device for machining, in particular deforming, the end sections of such winding bars.
  • the device has a plurality of pots rotatable relative to each other, each of which receives a plurality of end sections of winding strands and deforms them by rotation of the pots.
  • DE 10 2014 206 105 A1 discloses a device and a method for bending winding segments for producing a winding.
  • the device has a main bender and a parabolic Tiellbiege adopted on, so that the end portions of the winding bars are deformable in different lengths.
  • the present invention is therefore based on the object of specifying a method and a device for processing conductor segments of a winding support of an electrical machine, with which the conductor segments, in particular winding rods, are deformable with very high accuracy.
  • the above object is achieved in a generic device characterized in that the receiving crown has at least one Aktorkeil and at least one adjusting wedge, that the Aktorkeil at least one actuator surface and the wedge has at least one footprint that the Aktorkeil is kept movable so that at least a portion of Actuator surface slides along a movement of Aktorkeils on the footprint that by sliding along the actuator surface on the footprint displacement of at least the adjusting wedge in a direction of adjustment, and that the displacement of the actuating wedge causes deformation of at least one end portion of a conductor segment.
  • the device is used to process at least one conductor segment of a winding carrier of an electrical machine, preferably the processing of a plurality of electrical conductor segments.
  • electrical conductor segments in the form of winding bars on a winding support for.
  • winding rods in the form of U-shaped or I-shaped winding bars are used to produce the windings of the electric machine, which are arranged in recesses provided for this purpose on a winding support and are connected to each other at the ends as a function of the design of the electrical machine.
  • the end sections In the case of U-shaped winding bars, the end sections only have to be connected on one side, with I-shaped winding bars having to connect the end sections on both sides of the winding carrier.
  • the end sections of the conductor segments Before joining, the end sections of the conductor segments must, if necessary, be at least partially deformed; in particular, depending on the design of the electrical machine, the radial distance and / or the distance in the circumferential direction between the end sections of the conductor segments must be changed.
  • the adaptation of the distance between the end sections, the so-called gauge, is done with a device according to the invention.
  • the device comprises at least one receiving crown, wherein the receiving crown in particular has a longitudinal axis.
  • the receiving crown is preferably formed substantially round, so that it extends around the longitudinal axis.
  • the device further comprises at least one first holding means for at least temporarily holding the winding carrier with the conductor segments arranged therein, in particular the winding bars arranged therein.
  • the device in particular comprises a second holding means for the receiving crown, wherein the receiving crown is held, for example, in at least one direction movable and / or rotatable on the second holding means.
  • the first holding means and / or the second holding means are part of a machine frame.
  • the receiving crown and the winding carrier are preferably held on the first holding means and / or the second holding means such that the longitudinal axes of the receiving crown and the winding carrier can be arranged concentrically.
  • the receiving crown is held, for example, such that it is movable in the direction of the holding carrier held by the winding carrier or the winding carrier is movable together with the holding means on the receiving crown.
  • the receiving crown is held so that it can be arranged on the winding support, in particular on the conductor segments of the winding support, that the conductor segments, in particular the end portions of the conductor segments, at least partially editable with the receiving crown, in particular at least partially deformable, are.
  • the receiving crown has at least one actuator wedge and at least one adjusting wedge.
  • the actuator wedge has at least one actuator surface and the wedge has at least one footprint. If the actuator wedge is actively moved in the direction of the setting wedge, the actuator surface slides at least partially along the footprint of the wedge and causes a displacement of the wedge at least in a direction of adjustment.
  • the adjusting wedge is displaceable, at least in the direction of adjustment, held on the receiving crown.
  • the actuator wedge and the wedge are wedge-shaped and have, in particular along the longitudinal axis of the Aktorkeils or the adjusting wedge on in at least one direction changing width.
  • the diameter of the receiving crown corresponds, for example, essentially to the diameter of the conductor segments held circumferentially on the winding carrier.
  • Each wedge is preferably associated with at least one end portion of a conductor segment.
  • the receiving crown with the adjusting wedge can be arranged on the winding support in such a way that the adjusting wedge can act on the end section in order to cause a deformation, in particular a bending.
  • the displacement of the adjusting wedge thus causes a force on at least one end portion, which in particular has at least a portion which is not parallel to its longitudinal axis, so that the end portion is at least partially deformed.
  • the adjusting wedge is thus associated with at least one end portion of a conductor segment such that a Displacement of the adjusting wedge in the direction of adjustment causes a deformation of the end portion of the conductor segment in the direction of adjustment.
  • the type of deformation and the degree of deformation is, is preferably via a variation of the design of the actuator surface and the footprint, in particular their inclination and / or curvature, adjustable.
  • the end portion is inclined by the displacement of the actuating wedge, starting from its initial position.
  • the inclination of the actuator surface and the footprint are in particular always matched to one another, so that the actuator surface and the footprint can be brought into complete contact with each other.
  • at least the actuator surface and the footprint have an inclination at least in at least one second direction, so that the actuating wedge can advantageously be guided on a circular path.
  • the actuator wedge is movable, in particular, between an actuator output position, in which no movement of the actuating wedge from an actuating output position is effected by the actuator surface sliding along the actuating surface, and an actuator end position, in which a maximum movement of the actuating wedge into a final position has occurred actively movable.
  • the adjusting wedge is held on the receiving crown in such a way that it always endeavors to return to the setting starting position, in particular by a spring effect.
  • the actuator surface and the footprint preferably contact each other over the entire surface. It is preferably provided that the Aktorkeil is held at least temporarily in this position after reaching the Aktorendposition.
  • the receiving crown is circumferentially completely closed.
  • the actuator wedge and / or the wedge are at least partially coated, in particular completely coated.
  • the ac- toric surface and / or the support surface by means of physical vapor deposition with titanium carbide, Titanchromnitrid or zirconium carbonitride and / or by chemical vapor deposition with titanium carbide, titanium nitride / titanium carbide or titanium nitride / Tintancarbid coated. It is further preferably provided that at least the actuator surface and / or the footprint are at least partially coated with a ceramic coating.
  • the present invention has over the prior art has the advantage that by the interaction of at least one Aktorkeils with at least one wedge a very precise deformation of at least one end portion of at least one conductor segment can be achieved because the desired deformation by the geometry of the Aktorkeils and the adjusting wedge precisely predetermined is. Furthermore, the deformation rate by the movement of the Aktorkeils is precisely controlled.
  • the receiving crown has a plurality of actuator wedges and a plurality of adjusting wedges.
  • at least one actuating wedge is associated with each actuator wedge, the displacement of which it causes when the actuator wedge is moved toward the wedge and slides along the actuator surface on the footprint.
  • one of the number of conductor segments corresponding number of Aktorkeilen and wedges is provided. But it is also envisaged that fewer actuator wedges and wedges are present as end portions of conductor segments.
  • all actuator wedges on a receiving crown identical and all adjusting wedges of a receiving crown are identical or that different Aktorkeil / Stellkeilcrue are present, so that different conductor segments are different, for example, with different angles, deformable.
  • the Aktorkeil is held movable parallel to the longitudinal axis of the receiving crown, and that the adjusting direction is not parallel to the longitudinal axis. The Aktorkeil or Aktorkeile are thus actively held so movably on the receiving crown that they are kept movable parallel to the original longitudinal axis of each conductor segment.
  • a movement of the Aktorkeils in the direction parallel to the longitudinal axis of the receiving crown on the adjusting wedge leads to a displacement of the adjusting wedge at least in a direction of adjustment, which is not parallel to the longitudinal axis of the receiving crown.
  • the adjustment direction can indeed contain motion components in a direction parallel to the longitudinal axis, but is not oriented completely parallel to the longitudinal axis.
  • the movement of the actuator wedge parallel to the longitudinal direction of the receiving crown is consequently converted into a movement in a direction of adjustment which is not parallel to this longitudinal direction.
  • the adjusting direction, in which the adjusting wedge is displaced by the Aktorkeil lies in a plane E, wherein the longitudinal axis of the receiving crown is a normal to the plane E.
  • the setting wedge is movably held on a circular arc segment, in particular with the radius R1 about the longitudinal axis of the receiving crown, so that the positioning direction at least partially includes a circular path.
  • the adjusting wedges or the adjusting wedge on a circular path or a circular arc segment with the radius R1 are preferably held displaceably on the receiving crown about the longitudinal axis of the receiving crown, so that a deformation of an end section of a conductor segment likewise takes place along the corresponding circular path.
  • a movement of an actuator wedge, in particular parallel to the longitudinal axis of the receiving crown, to an adjusting wedge, a movement of the adjusting wedge on a circular path, in particular a circular arc segment, causes the longitudinal axis of the receiving crown.
  • the adjusting wedge or adjusting wedges are thus moved by the associated Aktorkeil on a circular arc segment.
  • At least one actuator wedge and at least one adjusting wedge - a first actuator wedge wedge pair - on a circular path with a radius R1 about the longitudinal axis of the receiving crown and at least one actuator wedge and at least one adjusting wedge - a second Aktorkeil- Stellkeilpoc - are arranged on a circular path with the radius R2 about the longitudinal axis.
  • At least one Aktorkeil- and Stellkeilcru on a radius R3 and / or at least one actuator and Stellkeilcru are arranged on a radius R4.
  • a plurality of actuator wedges and adjusting wedges and / or adjusting blocks are arranged on each radius.
  • the actuator wedges on the different radii are individually, jointly, in groups and / or sequentially movable, so that with respect to the deformation of the end portions of the conductor segments is given complete flexibility.
  • the receiving crown has a plurality of PorterausEnglishept for at least partially receiving the end portions of at least a portion of the conductor segments.
  • an end portion of a conductor segment is advantageously at least partially inserted.
  • the number of conductor recesses preferably corresponds at least to the number of conductor segments on the winding carrier.
  • at least one Porterausnaturalung is arranged in each adjusting wedge, so that an arranged in the Porterausnaturalung an actuating wedge end portion follows the adjusting wedge in a displacement of the adjusting wedge by its arrangement in the Porterausnaturalung and is deformed thereby.
  • the conductor segments are introduced in the production of a winding carrier with windings in the recesses of the winding carrier, so that the end portions are preferably evenly spaced in their initial position.
  • the receiving crown has at least one control block, and that the adjusting block is held so movably in the receiving crown, that a movement of the adjusting wedge in the adjusting direction causes a movement of the adjusting block in the adjusting direction and thus an at least partial deformation of the adjusting block associated end portion of a conductor segment.
  • the adjusting block is thus arranged such that, as soon as the adjusting wedge is displaced by the Aktorkeil, it follows the movement of the adjusting wedge, either directly or with a time delay, whereby the end section associated with the adjusting block is also deformed.
  • the control block and the distance between the wedge and control block is the Adjusting block associated end portion identical or less strongly deformed than the adjusting wedge associated end portion.
  • the receiving crown on a plurality of control blocks which are in particular, as well as the wedges, on the circumference of a circular path - on a circular arc segment - arranged and held movable.
  • the adjusting block or each adjusting block has at least one conductor recess for receiving at least a part of an end section of a conductor segment.
  • the end portion of the conductor segment may be at least partially inserted into a conductor recess, so that it easily follows the movement of the control block and is deformed.
  • each adjusting wedge at least one control block, in particular two control blocks assigned.
  • At least one first actuator wedge and at least one first adjusting wedge with a first adjusting direction and at least one second actuator wedge and at least one second wedge with a second adjusting direction are arranged on the receiving crown , and that the first adjustment direction is opposite, in particular on a circular path, to the second adjustment direction.
  • the actuator wedges are each moved parallel to the longitudinal axis toward their respective adjusting wedge.
  • the first actuating wedge is displaced in a first adjustment direction opposite to the second direction of adjustment of the second actuating wedge.
  • the first adjustment direction is on a circular path, in particular with the radius R1, opposite to the second adjustment direction.
  • the first adjusting wedge and the second adjusting wedge move on the circumference of a circular path opposite one another when the respective actuator wedge acts on the respective adjusting wedge.
  • the precision of the deformation can preferably be increased by providing, according to a further embodiment of the device, that the receiving crown has at least one immovable support section, in particular a plurality of immovable support sections, and that the support section is provided for direct or indirect support of at least one actuator wedge ,
  • the support section is preferably formed by a rigid part of the receiving crown and serves to prevent a bending of the actuator wedge. This is done in particular by the fact that the support section is provided for direct or indirect support of at least one Aktorkeils by the Aktorkeil is supported with its the actuating wedge facing away from the surface indirectly or directly on the stationary support section.
  • the actuator wedge which is moved parallel to the longitudinal axis of the receiving collar, is supported in the circumferential direction about the longitudinal axis on a support section.
  • An indirect support of the Aktorkeils is given when lying between the respective Aktorkeil and the support section components, such as another group of an actuator wedge and an actuating wedge, preferably already fully engaged with each other, contribute to the transmission of power from the Aktorkeil on the support section.
  • the actuator wedges can be controlled individually and / or in groups and / or in sequence.
  • the movement of each Aktorkeils is individually controllable, which offers the greatest flexibility in the deformation of the end sections. By a group or time successively following, sequential movement of Aktorkeile the cycle time can be reduced to deform.
  • the movement of the actuator wedge or the actuator wedges takes place electrically, mechanically, hydraulically and / or pneumatically.
  • the actuator wedges are moved mechanically sequentially via a die.
  • the actuator wedges are provided individually or in groups, electrically, mechanically, hydraulically and / or pneumatically, i. to be moved to the wedge.
  • the device according to the invention is preferably set up and designed for carrying out one of the methods described below.
  • the object mentioned at the outset is also achieved with a method for processing conductor segments, in particular winding bars, of a winding carrier of an electrical machine.
  • the winding carrier is, for example, the laminated core of a rotor or of a stator of an electric motor, a rotor or stator being formed with the conductor segments connected to windings.
  • the conductor segments are preferably held in recesses on the winding carrier and are arranged around a longitudinal axis of the winding carrier around.
  • the end sections of the conductor segments protrude from the end of the winding support.
  • the conductor segments are, for example, U-shaped or I-shaped winding bars.
  • At least one end section of at least one conductor segment is deformed by the interaction of at least one actuator wedge with at least one setting wedge.
  • the interaction between actuator wedge and adjusting wedge takes place in such a way that the actuator wedge is moved in the direction of the setting wedge, that at least one actuator surface of the actuator wedge slides along at least one positioning surface of the wedge, and that by slipping along one of the actuator wedge.
  • displacement of at least the adjusting wedge is at least in a direction of adjustment.
  • the displacement of the adjusting wedge causes a deformation of at least one end portion of a conductor segment assigned to the adjusting wedge.
  • the actuator wedge which is actively moved onto the wedge, thus causes a displacement of the passive wedge by sliding an actuator surface on a support surface, which causes a deformation of an end section of a conductor segment assigned to the wedge.
  • the end portion is at least partially inclined by the wedge relative to its starting position, in particular the end portion is rotated or offset about the longitudinal axis, preferably with a rotation angle between 0.1 ° and 10 °, more preferably 0, 1 ° and 5 °.
  • the conductor segments are preferably arranged in a starting position - before deformation - evenly around a longitudinal axis of the winding support around.
  • the actuator wedge and the adjusting wedge are first arranged, for example, on the winding carrier or the conductor segments in such a way that the adjusting wedge can act on at least one end section of a conductor segment.
  • the Aktorkeil is moved in particular parallel to the longitudinal axis of the winding carrier in the direction of the adjusting wedge, so that the adjusting wedge is moved mechanically by an evasive movement, whereby the end portion of the adjusting wedge associated conductor segment is deformed.
  • the method further comprises a method step in which the winding carrier with the conductor segments arranged thereon is held at least temporarily by a holding means.
  • the Aktorkeil and the adjusting wedge are preferably arranged in a, in particular round, receiving crown, which is arranged at the end portions of the conductor segments, that with a displacement of the adjusting wedge a deformation of at least one end portion is effected.
  • a plurality of actuator wedges is moved in the direction of a plurality of setting wedges in order to deform a plurality of end sections of a plurality of conductor segments.
  • Each actuator wedge thus acts on at least one associated adjusting wedge, as a result of which it is displaced and at least the end wedge associated with the end wedge is deformed.
  • a further development of the method provides that the actuator wedge and the adjusting wedge or actuator wedges and adjusting wedges are held movably or displaceably on a round receiving crown.
  • the receiving crown is guided in the direction of the end sections of the conductor segments of the winding carrier, so that the receiving crown, in particular the adjusting wedge or the adjusting wedges, can act on the end sections.
  • the receiving crown is arranged such that the longitudinal axis of the receiving crown is concentric with the longitudinal axis of the winding carrier.
  • the actuator wedge is guided in a direction parallel to the longitudinal axis of the winding carrier or the receiving crown and moved towards the adjusting wedge, and that the adjusting direction is not parallel to the longitudinal axis.
  • the adjustment direction may have portions in the direction parallel to the longitudinal axis, but is not completely parallel to the longitudinal axis.
  • the movement is parallel to the longitudinal axis in a movement in a direction of adjustment, which is not parallel to the longitudinal axis.
  • the adjusting wedge is moved in a plane E, to which the longitudinal axis is a normal. Consequently, the direction of adjustment is orthogonal to the longitudinal axis.
  • the displacement of the adjusting wedge or the adjusting wedges in the respective adjusting direction at least one end portion of a conductor segment is deformed.
  • the movement of the actuator wedges in the direction of the positioning wedges is controlled sequentially, so that different actuator wedges are moved at different times in the direction of their respective adjusting wedges.
  • a further embodiment of the method also provides that the sequence of movements of the Aktorkeile is controlled so that each actuator wedge in its movement in the direction of a control wedge on its side facing away from the actuating wedge on an immovable, rigid support section or a group of at least one, in particular two, fully moved in the direction of the respective wedges and held in this position Aktorkeile supported.
  • the actuator surfaces preferably lie completely against the actuating surfaces of the actuator wedges and actuating wedges serving for the support.
  • Such a combination of Aktorkeilen and wedges also provides sufficient support for a moving in the direction of its associated control wedge actuator. This sequence of movement of the actuator wedges ensures that bending of the actuator wedges during movement in the direction of the adjusting wedges is reliably prevented, since the actuator wedge, in particular in the circumferential direction, can be supported.
  • the rigid support portion is preferably a part of the tool, in particular the receiving crown, in which the actuator wedge and the adjusting wedge are held.
  • the deformation of the end sections of the conductor segments is advantageously improved in that at least one end section of at least one conductor segment is received in a conductor recess and deformed by a movement of the conductor recess, in particular that the adjusting wedge has at least one conductor recess.
  • the wedge or the wedges with the PorterausEnglishept so at the winding introduced carrier with the conductor segments that at least a portion of the end portions of the conductor segments is received in the PorterausEnglishept.
  • Each adjusting wedge preferably has at least one conductor recess into which an end section of a conductor segment is at least partially insertable.
  • the conductor recess is arranged so that the end portion of a conductor segment can be inserted parallel to the longitudinal axis of a control wedge in the Porteraus foundedung.
  • the adjusting wedge is now moved in a direction different from its longitudinal direction, the end portion is reliably deformed by following the end portion of the conductor recess.
  • the adjusting wedge in particular the adjusting wedges, on a circular path, in particular with the radius R1 is moved.
  • the adjusting wedge or the adjusting wedges are held on a circular path or a circular arc segment, displaceable on a tool, in particular a receiving crown.
  • actuator wedges and associated adjusting wedges are held on two, three or four different radii on the tool, in particular the receiving crown, in order to deform end sections on different radii.
  • At least one control block in particular one Plural of control blocks, is present, and that at least one control block is displaced by the displacement of an associated control wedge.
  • the control block or the control blocks are also displaced by at least one adjusting wedge associated with it or with them, wherein a control block likewise causes a deformation of a further end section of a conductor segment assigned to the control block.
  • the control block also has a conductor recess, into which an end section is at least partially insertable, whereby a deformation of the end section takes place by a displacement of the control block caused by an adjusting wedge.
  • first adjusting wedges are displaced in the opposite direction to second adjusting wedges, in particular on a circular path about the longitudinal axis of the winding carrier or the receiving crown, are displaced in the opposite direction.
  • the positioning surface is also inclined in opposite directions, so that the direction of adjustment of the first setting wedge is directed opposite to the direction of adjustment of the second setting wedge.
  • the adjusting wedges are held displaceably on a circular path, so that the first and second adjusting wedges are moved in opposite directions on a circular path.
  • the actuator wedge prefferably, according to a further embodiment of the method, provision is made for the actuator wedge to be held in an actuator end position in which the setting wedge is displaced into its final position, and for a rotational movement of the receiving crown to take place at a predetermined angle about its longitudinal axis, and for Rotary movement of the receiving crown causes a simultaneous, further deformation of all end portions of all conductor segments of the Wicklungsträ- gers.
  • all actuator wedges are moved to their Aktorendposition before the start of the rotational movement and are held there.
  • the end sections located in the conductor recesses are deformed, in particular inclined by a certain angle relative to their respective starting position.
  • the rotational movement preferably takes place at an angle between 0.1 ° and 60 ° about the longitudinal axis.
  • a further embodiment also provides that, at the same time as the rotational movement, the receiving crown and the winding carrier approach, in particular in that the receiving crown is moved in the direction of the winding carrier and / or the winding carrier in the direction of the receiving crown.
  • the movement of the actuator wedge or the actuator wedges takes place electrically, mechanically, hydraulically and / or pneumatically.
  • the actuator wedges are moved sequentially by means of a die mechanically from its Aktorausgangsposition in their Aktorendposition.
  • the actuator wedges are moved individually and / or in groups.
  • FIG. 1 shows an embodiment of a device for processing at least one conductor segment of a winding carrier of an electric machine in a first state
  • FIG. 2 shows a view of the embodiment of a device according to FIG. 1 in a second state
  • FIG. 3 is a view of the embodiment of a device according to FIG. 1 in a third state, FIG.
  • FIG. 4 is a view of the embodiment of a device according to FIG. 1 in a fourth state, FIG.
  • 5a to 5d an embodiment of an apparatus for processing and the course of a method for processing at least one conductor segment
  • 9a an embodiment of a device for processing at least one conductor segment of a winding carrier
  • 9b shows the embodiment of a device according to FIG. 9a in another view
  • FIG. 9c the embodiment of FIG. 9a in another
  • FIG. 10 is a schematic flow of the method.
  • Fig. 1 shows an embodiment of a device 1 for processing at least one conductor segment 2, wherein a plurality of conductor segments 2 are provided, which are formed in this embodiment as I-shaped winding bars and deformed.
  • the conductor segments 2 are held in a winding support 3, which in this embodiment is designed as a laminated core of a stator of an electric motor.
  • the conductor segments 2 protrude from both end sides of the winding carrier 3 out of this and have in the illustrated starting position at a uniform distance from each other.
  • the device 1 comprises at least one receiving crown 4 with a longitudinal axis L.
  • the receiving crown 4 has at least one actuator wedge 5 and at least one adjusting wedge 6.
  • a plurality of actuator wedges 5 and adjusting wedges 6 are arranged on the receiving crown 4.
  • the actuator wedges 5 are movable in such a way and the adjusting wedges 6 are held displaceably on the receiving crown 4 in such a way that a movement of an actuator wedge 5 causes a displacement of the setting wedge 6 in a direction of adjustment parallel to the longitudinal axis L1 of the receiving crown 4 in the direction of the adjusting wedge 6 assigned to it.
  • the adjusting direction lies on a circular path about the longitudinal axis L1, so that each adjusting wedge 6 is displaced on a circular arc segment.
  • An actuator wedge 5 and an adjusting wedge 6 assigned to it form an actuator wedge wedge pair.
  • all actuator wedges 5 are in their Aktorausgangslage, so that no displacement of the control wedges 6 is carried out in the direction of adjustment.
  • Each Aktorkeil 5 has an actuator surface 7, which slides along the displacement of the actuator wedge 5 associated adjusting wedge 6 on a footprint 8 of the adjusting wedge.
  • a displacement of a control wedge 5 at least one protruding from the winding support 3 end portion 9 of a conductor segment 2 is deformed.
  • the receiving crown 4 is arranged with its longitudinal axis L1 coaxial with the longitudinal axis L2 of the winding support 3 - as shown - so that the receiving crown according to FIG. 1 with a movement along the longitudinal axes L1, L2 to the conductor segments 2 of the winding support 3 to move.
  • the winding support 3 is preferably held by a first holding means (not shown) and / or the receiving crown 4 by a second holding means (not shown).
  • FIG. 2 shows the exemplary embodiment according to FIG. 1 in a second state in which the receiving crown 4 has already been moved towards the end sections 9 of the conductor segments 2 such that the end sections 9 can be deformed by a displacement of the adjusting wedges 6.
  • the receiving crown 4 has been moved along its longitudinal axis L1 toward the end sections 9 of the conductor segments 2 in such a way that the end sections 9 are accommodated in conductor recesses 10, for example, in a form-locking manner.
  • a part of the conductor recesses 10 is located directly in the receiving crown 4 and at least one further part is located in the adjusting wedges 5.
  • FIG. 3 shows the embodiment of FIG. 1 in a third state in which all Aktorkeile 5 from its in Figs. 1 and 2 Aktorausgangsposition completely in their Aktorendposition have been moved, whereby the respective Aktorkeilen 6 associated adjusting wedges 5 have been moved to their final position and assigned to the adjusting wedges 5 End portions 9 have been deformed.
  • the first deformation of individual end sections 9 while other end sections 9 remain unchanged, FIG. 3 can be clearly seen.
  • Fig. 4 shows the embodiment of FIG. 1 in a fourth state, in which after the first deformation of the end portions 9 by the adjusting wedge 6, namely the end portions 9, which an adjusting wedge 6 is assigned, a second deformation is carried out.
  • the second deformation takes place with all end portions 9 of all conductor segments 2 by rotating D of the entire receiving crown 4 by a predetermined angle about the longitudinal axis L1. Simultaneously with the rotation D takes place an approximation between the receiving crown 4 and the winding support 5 along the longitudinal axis L1, in the present case by the receiving crown 4 is moved simultaneously with the rotation D to the winding support 3 to.
  • the receiving crown 4 has an actuator wedge 5 and an adjusting wedge 6.
  • the adjusting wedge 6 has not yet been displaced in the illustrated actuator output position of the actuator wedge 5, so that a gap 11 is present on the circumference, into which the adjusting wedge 6 is displaceable.
  • Fig. 5b shows the embodiment of FIG. 5a in the same state, but in a different view.
  • the conductor recesses 10, which are arranged partially in the receiving crown 4 and in the adjusting wedge 6, are equally spaced from one another.
  • the receiving crown 4 has a number of conductor recesses 10 corresponding to the number of end sections 9.
  • the radius R1 is the radius of the circular path or circular arc segments on which the adjusting wedge 6 is displaceable and relates to the middle of the radial thickness of the adjusting wedge 6 (see FIG. 5d).
  • the device 1 is in a state in which the Aktorkeil 5 has been moved partially in a direction parallel to the longitudinal axis L1 in the direction of the control wedge 6, whereby the gap 1 1 already at least partially closed and the wedge 6 in Adjusting direction has shifted on the circular path with the radius R1.
  • FIG. 5 d shows a state in which the actuator wedge 5 is moved completely in the direction of the adjusting wedge 6, so that the gap 1 1 is now completely closed and the actuator surface 7 abuts the full surface of the adjusting surface 8.
  • the receiving crown 4 is now closed over its entire circumference.
  • the Aktorkeil is located in the Aktorendposition in which it is held at least a second.
  • the conductor recess 10 of the adjusting wedge 6 is positioned closer to the conductor recess 10 arranged on the circumference to the right, which means that, when used with a conductor segment 2, the end section 9 of the conductor segment 2 is closer to the adjacent end section 9 of the conductor segment 2 has been deformed.
  • FIG. 6a to 6c show an exemplary embodiment of a device 1 and, in terms of content, the sequence of a method 100 for processing at least one conductor segment 2 of a winding carrier 3 of an electrical machine.
  • the receiving crown 4 comprises a plurality of actuator wedges 5 and stator wedges 6.
  • individual adjusting wedges 6 are associated with actuating blocks 12, which are displaced from them by a movement of the adjusting wedges 6.
  • Control blocks 12 are also shown in the embodiment of FIG. 1 to FIG. 4.
  • the actuator wedges 5 are controlled so that a part of the actuator wedges 5, already about half in the direction of the associated adjusting wedges 6 are moved, while another part of the actuator wedges 5 is still in the Aktorausgangsposition.
  • the Aktorkeile 5 are controlled so that an actuator wedge 5 is supported indirectly or directly on an immovable support portion 13 of the receiving crown 4 in its movement in the direction of Aktorendposition on its side facing away from the adjusting wedge 6 side 14. The support prevents the Aktorkeile 5 are deformed by force in the circumferential direction.
  • FIG. 6a further shows that the actuator wedge 5, 5 a shown on the right, together with its adjusting wedge 6, has a different adjusting direction, namely an actuating direction opposite to a circular path than the actuator wedges 5, 5 b with the associated adjusting wedges 6.
  • Each actuator wedge 5 has an actuator surface 7 and each wedge 6 via a footprint 8.
  • the respective actuator surface 7 slides along the associated footprint 8 and thereby displaces the wedge 6.
  • the actuator surface 7 and associated shelves 8 have corresponding geometries.
  • Actuator surface 7 and the actuator 8 surface are inclined both in the longitudinal direction and in the transverse direction, to allow the displacement of the adjusting wedge 6 to a circular path.
  • FIG. 6b shows the embodiment of FIG. 6a, in which all the actuator wedges 5 have been moved to a single Aktorkeil 5 completely in the direction of the control wedges 6 in their Aktorendposition.
  • the Aktorkeil 5, which is still in the Aktorausgangsosition, relies on a movement in this embodiment, on its side facing away from the adjusting wedge 6 on a group 15 of two fully in the direction of the control wedges 6 moving Aktorkeilen 5, the wedges 6 and two control blocks 12 off.
  • FIG. 6c all actuator wedges 5 are moved out of the actuator output position shown in FIG.
  • 6a in which no movement of the adjusting wedge 6 out of the setting output position is moved to its actuator end position, so that the adjusting wedges 6 have also reached their final position on the respective circular arc segment.
  • the actuator wedges 5 are held in the Aktorendposition and the receiving crown 4 makes a rotational movement D about the longitudinal axis L by a predetermined angle, whereby a simultaneous deformation of all end portions 9 of all conductor segments 2 is effected (see also Fig. 4).
  • 6c shows a completely closed receiving crown 4, in which an advantageous force transmission in the circumferential direction in the context of the rotational movement D or the approach between the receiving crown 4 and the winding carrier 3 can take place.
  • FIG. 6d shows the state of the device 1 according to FIG. 6c in another view.
  • the distance between the conductor recesses 10 to each other has been changed by the displacement of the adjusting wedges 5 and adjusting blocks 12 for individual PorterausEnglishun- 10, whereby a deformation of the respective end portions 9 (shown for example in Fig. 3) is effected.
  • Fig. 7a shows an embodiment of an actuator wedge 5 in a perspective view.
  • the actuator surface 7 is in both the longitudinal and in the transverse direction ge tends so that the Aktorkeil 5 can be arranged on the circumference of a circular path in a receiving crown 4.
  • the upper outer side 16 is longer than the upper inner side 17.
  • FIG. 7b shows the embodiment of the actuator wedge 5 according to FIG. 7a from below, in which the ratios of the aforementioned side lengths can be clearly seen.
  • FIG. 8 a shows an exemplary embodiment of an actuating wedge 6, which has a conductor recess 10 on its underside. Also in the wedge 6, the upper outer side 20 is longer than the upper inner side 21 and the lower outer side 22 is longer than the lower inner side 23rd
  • FIG. 8b shows the embodiment according to FIG. 8a from the underside, so that the aforementioned side lengths of the lower outer side 22 and lower inner side 23 as well as the Porterausnaturalung 10 can be clearly seen.
  • FIG. 9a shows an exemplary embodiment of a device 1 in which the receiving crown 4 has both actuator wedges 5 and adjusting wedges 6 on a radius R1 and actuator wedges 5 and adjusting wedges 6 on a smaller radius R2.
  • end sections 9 arranged on different radii can be processed by conductor segments 2.
  • all the actuator wedges 5 are in the actuator starting position.
  • FIG. 9b shows the embodiment according to FIG. 9a in a detailed view.
  • column 1 1 are present, which are gradually closed by the displacement of the control wedges 6 and / or control blocks 12.
  • the LeiterausEnglishept 10 are evenly spaced on the circumference to each other. All shown Positioning wedges 6 move on a circular path, in particular on a circular path with the radius R1 or with the radius R2.
  • FIG. 9c shows the embodiment according to FIG. 9a in a view from below.
  • the column 1 1, in which the control wedges 6 and / or control blocks 12 can be moved, are open.
  • the Porteraus Principle 11 have on the circumference at equal distances from each other, so that all Aktorkeile 5 are in the Aktorausgangsposition.
  • FIG. 10 shows a schematic sequence of a method 100, in which a deformation 300 of at least one end section 10 of at least one conductor segment 2 is brought about by the interaction 200 of at least one actuator wedge 5 with at least one adjusting wedge 6.
  • the interaction 200 is effected by moving 201 at least one Aktorkeils 5 from its Aktorausgangsposition in its Aktorendposition, whereby at least one adjusting wedge 5 on a circular arc segment on a receiving crown 4 29ob moved 202 and deforming 300 at least one end portion 10 takes place.
  • the displacement 202 is effected in that an actuator surface 7 slides along a footprint 8 of the control wedge 6 and the control wedge 6 is displaced by a power transmission from the Aktorkeil 5 on the wedge 6, in particular in a plane E is displaced, of which the longitudinal axis of the L1 Pickup crown 4 is a normal.
  • a plurality of actuator wedges 5 are moved 201 in the direction of the respectively associated adjusting wedge 6, whereby a deformation 300 of a plurality of end sections 9 of a plurality of conductor segments 2 takes place (see also FIG. 3).
  • a turning 400 of the receiving crown 4 takes place by a predetermined angle about the longitudinal axis L1 or the longitudinal axis L2, which leads to a further deformation 500 of all final dimensions.
  • sections 9 leads all conductor segments 2, namely a twisting of all conductor segments 2 (see also Fig. 4).
  • the turning 400 comprises a simultaneous approach between receiving crown 4 and winding support 3, so that the resulting shortening of the extension of the end sections 9 in the longitudinal direction is compensated.

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Power Engineering (AREA)
  • Manufacture Of Motors, Generators (AREA)

Abstract

L'invention concerne un dispositif (1) et un procédé (100) d'usinage d'au moins un segment conducteur (2), en particulier d'au moins une barre de bobinage, d'un support de bobinage (3) d'une machine électrique. Le dispositif (1) comporte au moins une couronne de réception (4). L'invention concerne en outre un procédé (100) et un dispositif (1) d'usinage des segments conducteurs d'un support de bobinage d'une machine électrique, avec lequel les segments conducteurs (2), en particulier les barres de bobinage, sont déformables avec une très grande précision, qui sont réalisés en ce que: la couronne de réception (4) comporte au moins un coin actionneur (5) et au moins un coin de réglage (6); le coin actionneur (5) comporte au moins une surface d'actionneur (7) et le coin de réglage (6) comporte au moins une surface de réglage (8); le coin actionneur (5) est maintenu mobile de telle sorte qu'au moins une partie de la surface d'actionneur (7), lors d'un mouvement du coin actionneur (5), glisse le long de la surface de réglage (8); du fait du glissement de la surface d'actionneur (7) sur la surface de réglage (8), un déplacement d'au moins le coin de réglage (6) est effectué dans une direction de réglage; et au moyen du déplacement du coin de réglage (6), une déformation d'au moins une section d'extrémité (9) d'un segment conducteur (2) peut être obtenue. Le procédé est caractérisé en ce qu'au moins une section d'extrémité (9) d'au moins un segment conducteur (2) est déformée par interaction d'au moins un coin actionneur (5) avec au moins un coin de réglage (6).
EP18728129.0A 2017-06-23 2018-05-29 Dispositif et procédé d'usinage d'au moins un segment conducteur d'un support de bobinage d'une machine électrique Withdrawn EP3642944A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102017114021.2A DE102017114021B4 (de) 2017-06-23 2017-06-23 Vorrichtung und Verfahren zum Bearbeiten mindestens eines Leitersegments eines Wicklungsträgers einer elektrischen Maschine
PCT/EP2018/064080 WO2018233988A1 (fr) 2017-06-23 2018-05-29 Dispositif et procédé d'usinage d'au moins un segment conducteur d'un support de bobinage d'une machine électrique

Publications (1)

Publication Number Publication Date
EP3642944A1 true EP3642944A1 (fr) 2020-04-29

Family

ID=62455495

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18728129.0A Withdrawn EP3642944A1 (fr) 2017-06-23 2018-05-29 Dispositif et procédé d'usinage d'au moins un segment conducteur d'un support de bobinage d'une machine électrique

Country Status (3)

Country Link
EP (1) EP3642944A1 (fr)
DE (1) DE102017114021B4 (fr)
WO (1) WO2018233988A1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109746345B (zh) * 2018-12-30 2024-03-22 苏州阿福机器人有限公司 一种用于扁线电机绕组中扁线折弯的装置
DE102019116235A1 (de) * 2019-06-14 2020-12-17 Grob-Werke Gmbh & Co. Kg Aufnahme- und Dreheinheit, damit versehene Drahtendenumformvorrichtung sowie Drahtendenumformverfahren
DE102019120262A1 (de) * 2019-07-26 2021-01-28 Grob-Werke Gmbh & Co. Kg Kranzanordnungsvorrichtung und Kranzanordnungsverfahren
DE102019120261A1 (de) * 2019-07-26 2021-01-28 Grob-Werke Gmbh & Co. Kg Kranzanordnungs- und -fügevorrichtung sowie Kranzanordnungs- und -fügeverfahren
JP6913420B1 (ja) * 2020-01-22 2021-08-04 株式会社小田原エンジニアリング コイルセグメントのツイスト方法、ツイスト治具及びツイスト装置
WO2022118508A1 (fr) * 2020-12-01 2022-06-09 日立Astemo株式会社 Stator de machine dynamo-électrique, et son procédé de fabrication

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8215000B2 (en) 2007-07-20 2012-07-10 Tecnomatic, S.P.A. Methods for twisting rotor and stator ends
KR101704867B1 (ko) * 2011-01-04 2017-02-22 테크노마틱 에스.피.에이. 특히 전기 기계들의 바 권선들을 위한, 바 도체들의 단부 부분들을 비틀기 위한 고정장치 및 방법
DE102014206105B4 (de) 2014-04-01 2015-11-12 Continental Automotive Gmbh Vorrichtung und Verfahren zum Biegen von Wicklungssegmenten zur Bildung einer Wicklung, Wicklungsträger, elektrische Maschine
DE102014208082B4 (de) * 2014-04-29 2019-03-07 Continental Automotive Gmbh Verfahren und Vorrichtung zum Herstellen einer Wicklung einer elektrischen Maschine
DE102015217922A1 (de) * 2015-09-18 2017-03-23 Continental Automotive Gmbh Verfahren und zweiteilige Werkzeuganordnung zum Herstellen eines Stators für eine elektrische Maschine

Also Published As

Publication number Publication date
DE102017114021B4 (de) 2019-10-02
DE102017114021A1 (de) 2018-12-27
WO2018233988A1 (fr) 2018-12-27

Similar Documents

Publication Publication Date Title
DE102017114021B4 (de) Vorrichtung und Verfahren zum Bearbeiten mindestens eines Leitersegments eines Wicklungsträgers einer elektrischen Maschine
EP3750231B1 (fr) Dispositif et procédé pour modifier la forme de pièces dans la direction périphérique
EP3381108B1 (fr) Procédé de fabrication d'un enroulement de bobine à déposer dans des gorges radialement ouvertes de stators et de rotors de machines électriques
EP3743986B1 (fr) Dispositif de pliage pour plier des extrémités de fils saillants d'un logement annulaire et procédé de démontage pour le dispositif
EP3659243B1 (fr) Procédé et dispositif pour usiner des segments conducteurs d'un support d'enroulement d'une machine électrique
AT520311B1 (de) Verfahren und Vorrichtung zur automatisierten Herstellung eines Stators einer elektrischen Maschine
EP3534498A1 (fr) Procédé et dispositif de fabrication d'un stator doté d'un enroulement à bobines à air réduites
EP3994790A1 (fr) Procédé de fabrication d'un enroulement de bobine à insérer dans des rainures ouvertes radialement de stators ou de rotors de machines électriques
DE112015005324T5 (de) Statormontageverfahren und Statormontagevorrichtung
WO2018065318A1 (fr) Dispositif de montage permettant l'introduction simultanée de barres de cuivre
AT520356A1 (de) Verfahren und Vorrichtung zur automatisierten Herstellung einer Komponente eines Stators oder Rotors einer elektrischen Maschine
DE102018206003A1 (de) Vorrichtung und Verfahren zur Ausrichtung einer Hairpinwicklung
EP1162633B1 (fr) Méthode de fabrication et appareil pour mis en oevre de conducteurs transposés
EP3884570B1 (fr) Procédé de fabrication d'un enroulement ondulé continu, enroulement ondulé continu, stator et machine électrique
EP4038724A1 (fr) Élément de bobine pour machine électrique
WO2020187363A1 (fr) Procédé et dispositif pour réaliser une insertion multicouche d'un mat de bobine dans un composant d'une machine électrique
EP3506469B1 (fr) Bobineuse
WO2021026576A1 (fr) Procédé et dispositif d'usinage d'un produit semi-fini statorique
EP3211773B1 (fr) Procédé de fabrication d'un stator par enroulement par aiguille
EP3907864B1 (fr) Système et dispositifs ainsi que procédé de pliage radial d'extrémités de fil
EP4175139A1 (fr) Dispositif et procédé de fabrication d'une flexion d'un enroulement ondulé pour un enroulement de bobine d'une machine électrique
EP4391331A1 (fr) Procédé et dispositif de réception de nattes de bobines lors de la fabrication d'un composant d'une machine électrique
DE102021131130A1 (de) Klemmvorrichtung und -verfahren
WO2020249162A1 (fr) Unité de réception et de rotation, dispositif de formage d'extremité de fil muni de celle-ci ainsi que procédé de formage d'extremité de fil
DE10305199A1 (de) Verfahren und Vorrichtung zum Herstellen von Wicklungen aus Wickeldraht

Legal Events

Date Code Title Description
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: UNKNOWN

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE

PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

17P Request for examination filed

Effective date: 20190927

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

AX Request for extension of the european patent

Extension state: BA ME

DAV Request for validation of the european patent (deleted)
DAX Request for extension of the european patent (deleted)
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: EXAMINATION IS IN PROGRESS

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: EXAMINATION IS IN PROGRESS

17Q First examination report despatched

Effective date: 20201103

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION HAS BEEN WITHDRAWN

18W Application withdrawn

Effective date: 20230215

P01 Opt-out of the competence of the unified patent court (upc) registered

Effective date: 20230525