EP3782269A1 - Dispositif et procédé pour orienter un enroulement en épingle à cheveux - Google Patents

Dispositif et procédé pour orienter un enroulement en épingle à cheveux

Info

Publication number
EP3782269A1
EP3782269A1 EP19718122.5A EP19718122A EP3782269A1 EP 3782269 A1 EP3782269 A1 EP 3782269A1 EP 19718122 A EP19718122 A EP 19718122A EP 3782269 A1 EP3782269 A1 EP 3782269A1
Authority
EP
European Patent Office
Prior art keywords
gripper
contact
pair
grippers
pairs
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.)
Pending
Application number
EP19718122.5A
Other languages
German (de)
English (en)
Inventor
Matthias Ebert
Bernhard BYZIO
Erhard WEHNER
Jürgen Tröster
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.)
ZF Friedrichshafen AG
Original Assignee
ZF Friedrichshafen AG
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 ZF Friedrichshafen AG filed Critical ZF Friedrichshafen AG
Publication of EP3782269A1 publication Critical patent/EP3782269A1/fr
Pending 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
    • B23K31/02—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to soldering or welding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
    • B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
    • B23K37/0426—Fixtures for other work
    • B23K37/0435—Clamps
    • B23K37/0443—Jigs
    • 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
    • H02K15/0025—Shaping or compacting conductors or winding heads after the installation of the winding in the core or machine ; Applying fastening means on winding heads
    • H02K15/0037—Shaping or compacting winding heads
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K2101/00—Articles made by soldering, welding or cutting
    • B23K2101/32—Wires
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K2101/00—Articles made by soldering, welding or cutting
    • B23K2101/36—Electric or electronic devices
    • B23K2101/38—Conductors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • H01R43/02—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for soldered or welded connections
    • H01R43/0263—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for soldered or welded connections for positioning or holding parts during soldering or welding process
    • 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
    • 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

Definitions

  • the present invention relates to a device and a method for Ausrich device, in particular the guarantee of a radial distance, the hairpin ends to be joined together in the production of Hairpinwicklept for an electrical cal machine.
  • Object of the present invention is to provide a device which also allows accurate positioning of the contact ends, is easy to put down and provides a high process reliability.
  • a device for aligning the contact ends of Hair pins a Hairpinwicklung, wherein the contact ends of Hairpinwicklung in the circumferential direction extending double layers and a number of slots corresponding number of radially extending rows are arranged, wherein at least two double layers are IN ANY, and wherein two in a double layer of a Form row adjacent contact ends form a contact pair, characterized in that a gripper is provided, that the gripper has at least one side part, that the gripper has a partition, which is connected to the side part and at least partially tan gential between the contact pairs extending around the contact pair gripping positively, and that at least one operation is provided, by which the gripping fer radially movable to deform the at least one pair of contacts in the radial direction.
  • U-shaped bent conductor elements are used, which are inserted in the slots of a stator or rotor of an electrical machine, that their open ends, which represent the contact ends, arranged at one axial end, and all closed turning portions at the other axial end are.
  • the hairpins are arranged in several layers, wherein the two legs of a U-shaped conductor element are each arranged in different positions.
  • the contact ends are substantially formed per ply in different tangential directions per layer, so-called twists, to approximate contact of circumferentially spaced hairpins, thereby enabling electrically conductive bonding and thus formation of a coil of a plurality of hairpins.
  • connection takes place in each case between two adjacent contact ends of different layers, which thus form a contact pair and are combined to form double layers.
  • the double layers are preferably arranged in one of the number of slots corresponding number of radial rows, wherein the number of slots corresponds to the number of slots for receiving the conductor elements in the stator or rotor.
  • the contact ends of a pair of contacts In order to produce a usually made by welding electrically conductive connec tion between contact ends of a double layer or a pair of contacts, the contact ends of a pair of contacts must be aligned with each other. In particular, the pairs of contacts must have a stand from each other to have an insulation against each other and to allow better accessibility for further manufacturing steps, such as welding. A distance in the tangential direction is given by the grooves and the BE BEING through these grooves intervals. In the radial direction, however, in a preferred use of similar hairpins, the contact ends are block-shaped, whereby no sufficient distance is given. For this purpose, the device has at least one gripper, which is designed to be movable.
  • the gripper comprises at least one side part and a partition, which miteinan of, preferably integrally, are connected.
  • the partition wall is formed between the Kon contact pairs inserted in the axial direction.
  • the partition has a small width in the radial direction and / or is at the hairpin winding facing side provided with an inlet slope.
  • the side member transmits the radial movement to the bulkhead and includes means for operative connection with the actuation.
  • a single side member extends before given in the axial direction above the contact pairs in the radial direction to achieve a uniform force distribution across the width of the contact pair. It is also possible a lateral arrangement between adjacent rows. In an arrangement between the rows, at least two side parts are preferably provided on both sides of the contact pair, whereby the introduction of force is distributed more uniformly and a more stable gripper is present.
  • the radial movement of the gripper takes place by an actuation, which cooperates with the at least one side part.
  • a device for aligning the contact ends of Hairpins a Hairpinwicklung wherein the contact ends of the Hairpinwicklung circumferentially extending double layers and a number of slots corresponding to number radially extending rows are arranged, wherein at least two Doppella conditions are present, and two in a double layer of a Form row adjacent contact ends form a contact pair, characterized in that a gripper is seen before, that the gripper has two side parts with which it at least partially encloses at least a pair of contacts laterally that the side parts are relatively zuei nander movable to the contact pair at least non-positively grab, and that at least one actuation is provided, through which the gripper is radially be wegbar, to deform the at least one pair of contacts in the radial direction.
  • two side parts are arranged in the tangential direction relative to each other movable on both sides of the contact pair and thus can perform a gripping movement.
  • the side parts extend in the radial direction between the rows and cover at least a portion of the contact pair, in particular the rear in the direction of movement of the gripper contact end of the contact pair.
  • the contact pair is through the Side parts which have been moved towards each other and acted upon by a corresponding force, held in a force-locking manner in the manner of a pair of pliers.
  • a radial loading movement of the gripper with the frictionally held contact pair thereby leads to a deformation of the contact pair in the radial direction to achieve a distance from the adjacent in the row contact pair.
  • the gripper is also moved here by an operation in the radial direction. The movement and holding force of the side parts to each other can be done via a separate drive or integrated into the operation.
  • Preferred embodiments with mutually movable side parts fiction are characterized in that the gripper has at least one partition wall, which is connected to a side part and extends teilwei se tangentially between the contact pairs.
  • the contact pair can be additionally held positively, whereby the process reliability is increased.
  • Inventive embodiments of the device are characterized in net that the operation of a cam, a lever or an actuator to summarizes.
  • the actuator comprises at least one driven component for moving the gripper in the radial direction.
  • the operation may for example be formed as curves disc, with corresponding sliding or running surfaces on the gripper as a means for operative connection with the operation.
  • By rotating or axial displacement of the cam with respect to the gripper ent speaking movement of the gripper can take place in the radial direction.
  • a similar effect can be achieved by using a lever that is coupled to the gripper.
  • the radial movement of the gripper can also be done by Aktua factors, such as hydraulic or pneumatic pistons, screw drives, gears or electromagnetic drives, which are operatively connected to the gripper.
  • devices according to the invention have a restoring device, by means of which the gripper is automatically returned to a starting position.
  • Such reset devices can in particular be executed by elastic components such as springs and the like, but also be carried out for example by a forced operation of the actuator, which thus alternates between different switching positions.
  • An actuation can also be used simultaneously for several grippers.
  • a cam can extend over a circumference around the hairpin winding to be produced and be operatively connected to a plurality of grippers distributed over the circumference for a same double layer.
  • a lever as an actuation multiple, different double layers of a row associated, gripper be operatively connected, whereby they can be moved with a corresponding arrangement on the lever at the same time in the radial direction, but with different length of the track, be.
  • a gripper for example, by the operation in addition to the radial movement and the gripping motion of the side parts and the holding force can be generated.
  • first the gripping movement is performed and the holding force applied and then in a second section bezie as a second direction of movement of the cam or lever, the radial movement of the gripper are made.
  • Embodiments of a device are characterized in that a plurality of grippers are arranged radially adjacent to different pairs of contacts.
  • a plurality, preferably all, to be deformed Kon contact pairs one row can be transformed in one process step, which reduces the time required.
  • a plurality of grippers are provided in which, for example, the side parts of the plurality of grippers in the axial and / or tangener tialer direction adjacent or overlap are arranged to allow a different radial extent.
  • the adjacent arrangement may, for example, telescopically with nested side parts with correspondingly different sized cross sections or different lengths of the legs in, for example, L-shaped grippers, wherein the cross section may be the same.
  • the multiple grippers can be moved via a common operation in the radial direction or also correspondingly have a plurality of separate operations.
  • the different radial distances of the gripper for example, in addition to correspondingly differently shaped means for operative connection on the gripper, as different Lich shaped treads and the like, also, especially in a lever, un ferent contact positions of the means for operative connection to the Be provided actuation.
  • Device are characterized in that a plurality of grippers for contact pairs of different rows are arranged adjacent in the circumferential direction. This also reduces the time required to produce the hairpin winding.
  • the plurality of grippers are assigned in the circumferential direction of the same double position, whereby more preferably a common joint operation extending over the corresponding region of the circumference can be provided.
  • Such embodiments in combination with the above-mentioned embodiments of several, radially adjacent grippers, save the greatest amount of time since, correspondingly, all the contact pairs to be reshaped can be deformed simultaneously, whereby the device becomes correspondingly more complex.
  • Preferred embodiments of a device according to the invention are characterized in that the plurality of grippers have a common operation by which the plurality of grippers are movable. As already stated embodiments of the above, preferably several grippers are moved with a common operation in the radial direction, whereby the number of components ge can be kept ring and a uniform movement is ensured.
  • Embodiments of the device according to the invention are alternative to a common operation characterized in that the plurality of grippers each one have separate operation, by which the plurality of grippers are movable.
  • the device is more flexible and it may optionally be cheaper standard components, as instead of specially designed and to be manufactured components, such as cams, for example, actuators Ak as movement thread, hydraulic or pneumatic pistons are used.
  • a further aspect of the invention is a method for aligning the contact ends of hairpins of a hairpin winding with a device according to the invention, wel Ches is characterized by the steps that the gripper is adjacent to the Kon contact pairs positioned that at least one pair of contacts by the gripper force and / or positively gripped, and that the gripper is moved in the radial direction, so that the gripped contact pair is deformed in the radial direction.
  • a method for a device according to the invention reference is also made to the above description of the device.
  • the device is first positioned on the Hairpinwicklung carrying part, for example stator, the electrical Maschi ne, so that the gripper is arranged according to be deformed on the contact pair be adjacent.
  • the gripper engages at least the verfor to mating contact pair non-positively and / or positively.
  • the gripper is moved by the actuation in the radial direction, whereby the held contact pair is deformed in the radial direction to space adjacent pairs of contacts in the radial direction.
  • methods according to the invention are characterized in that different contact pairs are gripped by a plurality of grippers at the same time, and that the grippers are moved at a uniform speed. If a plurality of grippers are used, for example, to grasp different contact pairs of a row and, correspondingly differently far, to deform radially outwards, the grippers can be moved by the actuation or actuations at a uniform speed. This uniform process conditions for the contact pairs are achieved and it is possible, for example, operations and grippers staggered execute, in which first all gripper by a first operation and then each one reduced by a gripper number is moved by a further operation in the radial direction.
  • Another aspect of the invention is an electric machine with a Hairpinwick- ment, which is characterized in that the contact pairs are arranged spaced apart by a method according to the invention in the radial direction.
  • Preferred embodiments of electrical machines according to the invention are characterized in that the contact ends of the hairpins have phases or bevels at least in the radial direction. Through these phases or bevels, the axial insertion of the partitions (4) of the gripper (2) is facilitated.
  • Fig. 1 shows a partial section through elements of a Vorrich device according to the invention.
  • Fig. 2 shows schematically a gripper device according to another Vorrich invention in the axial direction.
  • FIG. 3 shows schematic parts of another device according to the invention.
  • Fig. 4 shows a schematic operation of another invention before direction.
  • Fig. 1 shows a part of the elements of an embodiment according to the invention, where are shown in sections cut.
  • a stator (S) is shown schematically, only the example of the plane lying in the sectional conductor elements (P) of the hairpins are shown.
  • the stator (S) in the Vorrich device (1) is inserted or the device (1) mounted on the stator (S) and the radially outer pair of contacts (K) by the gripper (2) gripped, but not reshaped ,
  • the device (1) comprises in this embodiment a plurality of grippers (2), which are distributed over the circumference, each associated with a row of a same double layer.
  • the grippers (2) have at their front, here radially inside lying, the end of two side parts (3), which extend in the radial direction and are tangentially spaced from each other.
  • the side parts (3) are connected at their front end by a partition wall (4), whereby an enclosed space in the axial direction is formed, in which at least one contact pair (K) of a hairpin winding can be accommodated.
  • the partition (4) is pushed between two radially adjacent pairs of contacts (K), whereby the pair of contacts (K) in the clearance formed with the side parts (3) is positively gripped in the radial direction.
  • the means for operative connection (6) are provided, wel che in the example shown as axial projections with a curved cross-section are executed.
  • the means for operative connection (6) contact a Actuate supply (5).
  • the actuator (5) is in the example shown as an annular curves disc with radially outward curved surface, all grippers (2) via their means for operative connection (6) with the same actuator (5) are connected. There is thus provided a common operation (5) for all grippers (2).
  • the gripper (2) via its means for operative connection (6) are moved in the radial direction.
  • the gripper (2) in a support plate (7) are arranged.
  • the support plate (7) has in the example shown radially inwardly and outwardly each have a circumferential annular region, which elements by a plurality of mecanicsele (1 1) are connected.
  • the guide elements (1 1) are formed in the manner of ribs BE relationship spokes and each between two adjacent guide elements (1 1) form a space for receiving a gripper (2).
  • the space is longer than the gripper (2) designed to allow on the one hand the radial movement of the gripper (2) and on the other hand the passage of not by the gripper (2) held pairs of contacts (K).
  • the arrangement between the guide elements (1 1), the gripper (2) are guided.
  • the support plate (7) in the region of the rear ends of the gripper (2) recesses (9) in order to also make room for the movement of the gripper (2).
  • the example shown in Fig. 1 also has a cover plate (8).
  • the cover plate (8) is likewise of annular design and connected to the carrier plate (7), for example by means of screw connections.
  • the cover plate (8) so well covers the gripper (2) and the actuator (5) partially, whereby they are secured in the axial direction.
  • the gripper (2) in the axially opposite direction against failing can also be on the opposite side ent speaking cover plate (8) or corresponding tangential projections on the Füh approximately elements (1 1) are provided.
  • Fig. 2 shows a gripper (2) similar to Fig. 1, which at its front end also has two side parts (3) and a partition wall (4) through which a contact pair (K) can be enclosed.
  • the means for operative connection (6) with the actuator (5) is designed as an axially projecting shoulder.
  • the actuator (5) is designed as a fleece for a single gripper (2).
  • the operation (5) is rotatably mounted about an axially aligned lever axis (19) and comprises a lever arm (18).
  • the lever axis (19) can, as shown, be arranged next to the gripper (2) or else axially above the gripper (2), whereby space in the circumferential direction, in particular in the case of several grippers (2), is saved.
  • the lever arm (18) is bent to reach as uniform as possible contact largely center on the means for operative connection (6) to reach it when the actuator (5) is rotated.
  • the central contact improves the power flow and the distribution of force.
  • the contact surface of the agent for operative connection can be used
  • the lever arm (18) and / or the means for operative connection (6) bezie bent over a relationship as contact surface to have in a rotation about the lever axis (19) to achieve a radial movement of the gripper (2).
  • the lever axis (19) dre, the example shown coaxially to the lever axis a square on.
  • FIG. 3 parts of another embodiment of a device (1) according to the invention are shown.
  • This has three adjacent in the radial direction gripper (2), which can each receive a pair of contacts (K), which is why the device (1) is particularly suitable for Hairpinwicklitch ge with three or preferably four double layers.
  • the grippers (2) are arranged axially one above the other and have different lengths.
  • the front end of the lower gripper (2) is in this case formed largely analogous to the embodiment shown in FIG.
  • the two overlying gripper (2) are L-shaped, wherein they are respectively longer at the end of the prede Ren end and the side parts (3) are also formed in the axial direction Rich longer, so that the side parts (3) terminate at a same height ,
  • the grippers (2) in this example have a different cross-sectional shape.
  • the grippers (2) are arranged in the axial direction between a support plate (7) and a cover plate (8), wherein additionally laterally next to the grippers (2) Füh approximately elements (1 1) between the support plate (7) and the cover plate (8) intended are to guide the gripper (2).
  • a measuring device (10) in the form of a scale parallel to the grippers (2) provided, whereby simply the distance of the radial movement of the gripper (2) can be checked.
  • the support plate (7) with the grippers (2) is ver with a positioning device (12) connected by which the gripper (2) in the axial direction on the contact pairs (K) placed or more their partitions between the Kunststoffpaa Ren (K) positioned becomes.
  • a positioning device (12) connected by which the gripper (2) in the axial direction on the contact pairs (K) placed or more their partitions between the Kunststoffpaa Ren (K) positioned becomes.
  • the support plate (7) and cover plate (8) with La gerettin (13) of the positioning device (12) are connected and along these La geremia (13) displaceable in the axial direction.
  • the carrier plate (7) is connected to the positioning device (12) via a positioning drive (14).
  • the support plate (7) and thus the gripper (2) can be positioned in the axial direction.
  • spring elements (15) between the support plate (7) and the positioning device (12) is provided which at least part of the weight of Support plate (7) and carried by the support plate (7) parts, such as gripper (2), cover plate (8) and guide elements (1 1) wear.
  • the positioning device (12) is received via pins (not shown) in pin holes (17) of a base plate (16) and directed to a component with a Hairpinwicklung. Distributed over the circumference of the base plate (16), several corre sponding devices (1) can be arranged.
  • Fig. 4 shows the rear portion of axially superposed grippers (2) with a schematic operation (5).
  • the means for the operative connection (6) are in the radial direction to the rear and have contact points for contact with a designed as a lever actuator (5).
  • the lever axis (19) of the actuator (5) is arranged in the axial direction above the gripper (5) and the actuator (5) has a, here straight, lever arm (18).
  • the approximately equally protruding means for Wirkverbin tion (6) are moved differently far in the radial direction, whereby the non shown, the front ends of the gripper (2) held pairs of contacts (K) accordingly transformed differently far and thus be spaced from each other.
  • the lever axis (19) is in line with the means for Wirkverbin extension (6) or against the direction of movement of the gripper (2) offset from this, in order to avoid a collision of the gripper (2).
  • the lever arm (18) is fork-shaped with pa rallelen arms to comprise the means for operative connection (6) in the radial direction on both sides, whereby the lever arm (18) and thus the actuator (5) at the same time as a restoring device can serve.
  • the means for operative connection (6) may also be connected to the lever arm (18), said Ver connection preferably along the lever arm (18) is designed to be movable or with an additional joint to a relative axial movement between actuation (5) and To allow means for the active compound (6).

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Power Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Manufacture Of Motors, Generators (AREA)

Abstract

La présente invention concerne un dispositif et un procédé permettant d'orienter les extrémités de contact d'épingles à cheveux d'un enroulement en épingle à cheveux, lesdites extrémités de contact de l'enroulement en épingle à cheveux étant agencées en doubles couches s'étendant dans la direction périphérique et en un nombre de rangées s'étendant dans le sens radial et correspondant à un nombre de rainures, au moins deux couches doubles étant présentes, et deux extrémités de contact voisines dans une double couche d'une rangée formant une paire de contacts. L'invention se caractérise en ce qu'il est prévu un élément de préhension, lequel présente au moins une partie latérale et une paroi de séparation qui est reliée à la partie latérale, et s'étend au moins en partie de manière tangentielle entre les paires de contacts de manière à saisir la paire de contacts par complémentarité de forme et en ce qu'il est prévu au moins un actionnement permettant de déplacer l'élément de préhension dans le sens radial de manière à déformer ladite au moins une paire de contacts dans la direction radiale.
EP19718122.5A 2018-04-19 2019-04-11 Dispositif et procédé pour orienter un enroulement en épingle à cheveux Pending EP3782269A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102018206004.5A DE102018206004A1 (de) 2018-04-19 2018-04-19 Vorrichtung und Verfahren zur Ausrichtung einer Hairpinwicklung
PCT/EP2019/059230 WO2019201732A1 (fr) 2018-04-19 2019-04-11 Dispositif et procédé pour orienter un enroulement en épingle à cheveux

Publications (1)

Publication Number Publication Date
EP3782269A1 true EP3782269A1 (fr) 2021-02-24

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Application Number Title Priority Date Filing Date
EP19718122.5A Pending EP3782269A1 (fr) 2018-04-19 2019-04-11 Dispositif et procédé pour orienter un enroulement en épingle à cheveux

Country Status (3)

Country Link
EP (1) EP3782269A1 (fr)
DE (1) DE102018206004A1 (fr)
WO (1) WO2019201732A1 (fr)

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DE102019219500A1 (de) * 2019-12-12 2021-06-17 Thyssenkrupp Ag Biegevorrichtung für Kupferstäbe

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