EP3818600B1 - Fabrication de raccords sertis à la presse dans l'étau - Google Patents

Fabrication de raccords sertis à la presse dans l'étau Download PDF

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Publication number
EP3818600B1
EP3818600B1 EP18742909.7A EP18742909A EP3818600B1 EP 3818600 B1 EP3818600 B1 EP 3818600B1 EP 18742909 A EP18742909 A EP 18742909A EP 3818600 B1 EP3818600 B1 EP 3818600B1
Authority
EP
European Patent Office
Prior art keywords
connection
connection element
strand
receiving
vice
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.)
Active
Application number
EP18742909.7A
Other languages
German (de)
English (en)
Other versions
EP3818600A1 (fr
Inventor
Marc Essers
Pascal RABE
Christoph Forstmeier
Christoph GEFFERS
Uwe Reisgen
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.)
Lisa Draexlmaier GmbH
Original Assignee
Lisa Draexlmaier GmbH
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Filing date
Publication date
Application filed by Lisa Draexlmaier GmbH filed Critical Lisa Draexlmaier GmbH
Publication of EP3818600A1 publication Critical patent/EP3818600A1/fr
Application granted granted Critical
Publication of EP3818600B1 publication Critical patent/EP3818600B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/02—Soldered or welded connections
    • H01R4/027—Soldered or welded connections comprising means for positioning or holding the parts to be soldered or welded
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/10—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation
    • H01R4/18—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/10—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation
    • H01R4/18—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping
    • H01R4/187—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping combined with soldering or welding
    • 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
    • H01R43/04—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for forming connections by deformation, e.g. crimping tool
    • H01R43/042—Hand tools for crimping
    • 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
    • H01R43/04—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for forming connections by deformation, e.g. crimping tool
    • H01R43/042—Hand tools for crimping
    • H01R43/0421—Hand tools for crimping combined with other functions, e.g. cutting
    • 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
    • H01R43/04—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for forming connections by deformation, e.g. crimping tool
    • H01R43/048—Crimping apparatus or processes
    • 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
    • H01R43/04—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for forming connections by deformation, e.g. crimping tool
    • H01R43/058—Crimping mandrels
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/53—Means to assemble or disassemble
    • Y10T29/5313—Means to assemble electrical device
    • Y10T29/532—Conductor
    • Y10T29/53209—Terminal or connector
    • Y10T29/53213—Assembled to wire-type conductor
    • Y10T29/53235—Means to fasten by deformation
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/53—Means to assemble or disassemble
    • Y10T29/5313—Means to assemble electrical device
    • Y10T29/532—Conductor
    • Y10T29/53209—Terminal or connector
    • Y10T29/53213—Assembled to wire-type conductor
    • Y10T29/53239—Means to fasten by elastic joining

Definitions

  • the present invention relates to a method for connecting a strand element to a connection element using a method for deforming, in particular a crimping method, at least in parts of the manufacturing method, using a vise or vise.
  • the method is used in particular to connect a pipe to a termination or connection element, or, for example, to connect a cable to a cable lug.
  • post-processing may be required to completely manufacture the workpiece.
  • This post-processing may include drilling and/or welding.
  • a great deal of pressure is exerted on the crimp connection, so that this crimp connection can be damaged or destroyed, and the joining process thus suffers significant losses in quality.
  • the GB710,974 discloses a holder with two receivers for holding a barrel during crimping of the barrel to a wire, the receivers each having two semi-openings with two diameters.
  • a system according to the invention which is set up to establish a mechanical connection between a line element and a connection element, has the following components: A pair of receptacles, each receptacle having a face with a groove and a well.
  • the groove is suitable for accommodating the connection element.
  • the groove can be designed in such a way that it encloses the connecting element at a distance of, for example, less than 1 mm or less than 0.1 mm.
  • the fillet may be configured to provide a slight pinch of the terminal when the pair of receptacles encircle the terminal.
  • the fillet can be arranged in the middle of the end face.
  • the fillet can have a semicircular, oval, triangular or polygonal shape.
  • the shaft can be arranged essentially in the middle of the end face.
  • the shaft can be completely enclosed by the material of the receiving element, but it can also be open, at least partially, on one side.
  • the open side can be designed in such a way that elements of a slide can be accommodated at this point.
  • the system also has a pair of press inserts.
  • each press insert has an end face with a groove that extends over the entire narrow side of the end face.
  • the groove of the press inserts has a smaller diameter than the groove of the receiving elements, so that the press insert is suitable for forming the connection element.
  • the press insert is set up to be arranged in the shaft of the connecting element. This is designed so that when the die is placed in the well, the fillet of the die is substantially flush with the fillet of the receptacle, apart from the different diameters and shapes of the fillets.
  • the press insert can protrude up to 0.2 mm. This has the advantage that the clamping forces are essentially introduced into the workpiece via the press inserts.
  • the press insert can protrude up to 0.2 mm. This has the advantage that the clamping forces are essentially introduced into the workpiece via the press inserts.
  • the press insert can protrude up to 0.2 mm. This has the advantage that the clamping forces are essentially introduced into
  • the receiving elements and the press inserts are arranged in a vise or vise which, depending on the embodiment, can be operated in a vertical and/or horizontal installation position.
  • a vise or vise is commonly used to clamp or clamp certain workpieces for machining.
  • the machining of the workpieces is carried out by other machines, e.g. by milling machines.
  • the vise or vise is used for machining, in particular for forming, the workpieces. This is particularly advantageous because it means that standard machine tools, such as a vice or vise, can be used for the production of forming workpieces, for example a crimp connection. Only the specific forming or crimping tools, such as the receiving elements and the press inserts, have to be used in these standard machine tools.
  • the system also has a clamp.
  • the clamping bracket has an end face with a groove that is suitable for receiving the connection element.
  • the groove can be designed in such a way that it encloses the connecting element at a distance of, for example, less than 1 mm or less than 0.5 mm.
  • the fillet can be arranged in the middle of the end face.
  • the fillet can have a semicircular, oval, triangular or polygonal shape.
  • the clamping bracket has a stop which is arranged on a first side of the clamping bracket. In one embodiment, the stop does not completely close the groove of the clamping bracket, but is suitable for allowing a protruding part of the connection element to protrude beyond the connection element. In one embodiment, the stop is moveable.
  • the system in making the connection, takes the string member with the terminal member located at a first end of the string member up to the stop and places the pair of crimping inserts around a central portion (viewed in the axial direction) of the terminal member.
  • the middle area of the connection element can include the middle third, but it can also extend to one end of the connection element.
  • the press inserts and the receiving elements are therefore designed in pairs so that they can be positioned as symmetrically as possible around the central area of the Can arrange connection element and thus achieve a symmetrical and high-quality transformation.
  • more than two each of dies and receptacles are used in manufacture.
  • the line element is a tube that can be used, for example, for tube connections in sanitary technology.
  • the string element is an electrical line or a bundle of lines, so that establishing a mechanical connection causes an electrical connection to be established at the same time.
  • the method mentioned makes it possible to produce an electrical connection with a low contact resistance in a relatively simple manner.
  • the strand element consists at least partially of plastics, in particular thermoplastics, of soft metals, in particular of aluminum or copper or aluminum and/or copper alloys, and/or of steel and/or of combinations of these materials.
  • the connection element consists at least partially of plastics, in particular thermoplastics, of soft metals, in particular of aluminum or copper or aluminum and/or copper alloys, and/or of steel and/or of combinations of these materials.
  • the strand element and/or the connection element is/are coated with plastics, with paint, with metals, in particular with nickel, tin, zinc, silver. The measures mentioned have the advantageous effect of further improving the conductivity, in particular the transition and overall resistance and/or the corrosion resistance, strength properties and/or flow properties of the workpiece produced.
  • the pair of flutes of the dies form a hexagon. This is particularly advantageous for cables with a certain thickness that are to be fixed during assembly.
  • the system also has a welding tool for the integral connection of the strand element and the connecting element.
  • a welding tool for the integral connection of the strand element and the connecting element. This enables a connection of the highest quality, both mechanically and electrically.
  • welding occurs on some types of welding tools under high pressure.
  • the axial force used can, for example, be greater than 1 kN, in particular greater than 10 kN.
  • a system according to the invention ensures that the reshaping, for example the described crimping process, produces a connection of such high quality that the welding process forces that occur do not result in breakage or deterioration of the connection.
  • a pressure connection welding process such as spot friction welding, is used as the welding method. This advantageously creates a very compact welded structure.
  • the stop is closed by means of a closing spring. This is particularly advantageous when the stop is part of a machine with which the crimping process is carried out fully automatically or semi-automatically; because this allows the workpiece to be released very easily, e.g. for removal, and closed again during the manufacturing process.
  • the pair of receiving elements is driven by the jaws or jaw attachment of the vise or vise.
  • only one of the jaws can be designed to be movable. This means that large forces can be used in the forming process in a reproducible manner.
  • At least one side of the vise or vise is integrated into a tool unit that is moved along a slide bar. This enables simple and effective integration into the manufacturing process.
  • the system has a further clamping element, which is suitable for accommodating the string element and is in particular moved together with the tool unit. This further improves the manufacturing process because it enables or at least simplifies the exact fixing of the workpiece at the beginning of the manufacturing process.
  • a holding device is used as part of the receiving element for receiving the line element and a correspondingly arranged die on the tool unit is provided for positioning and aligning the connection element relative to the line element.
  • the holding device and the Correspondingly arranged dies are mounted such that they can be displaced horizontally and/or vertically relative to one another by means of at least one compensating element.
  • the die has a clamping hook, which is made to correspond to a tab of the connecting element and thus allows the positioning and alignment of the connecting element by means of the movement of the clamping hook.
  • the connecting element has a tab.
  • the lug can be designed as a screw lug.
  • the tab may have an opening.
  • Such connection elements with tabs are required for many applications, for example in industry or automotive engineering.
  • an embodiment of the clamp can be selected in which the stop does not completely close the groove of the clamp, but which is suitable for allowing a protruding part of the connection element to protrude beyond the connection element.
  • the system has cooling and/or preheating. This can improve process stability and/or tool life.
  • cooling and/or preheating the workpiece can improve the crimping and/or welding properties, for example the optimal process temperature can be set and maintained for each material combination of strand element and connection element.
  • the preheating can be used to support the forming, for example in the case of workpieces that have thermoplastics.
  • the invention also includes a method for producing a mechanical (non-positive and, depending on the choice/shaping of the press insert, at the same time positive) connection between a strand element and a connection element.
  • a mechanical non-positive and, depending on the choice/shaping of the press insert, at the same time positive
  • the line element is arranged with the connecting element on a stop of a clamping bracket.
  • the workpiece is arranged on the stop in such a way that the connection element is in direct contact with the stop. This improves the reproducibility and/or quality of manufacture.
  • a material connection between the line element and the connection element is produced by means of a welding tool. This enables a connection of the highest quality, both mechanically and electrically. In the process, welding happens to some Types of welding tools under high pressure.
  • the axial force used can, for example, be greater than 1 kN, in particular greater than 10 kN.
  • the method mentioned ensures that the reshaping, for example by the crimping method described, produces a connection of such high quality that the welding process forces that occur do not result in the connection breaking.
  • the line element is arranged in the connection element in such a way that a predefined distance remains between a first end of the line element and the inside of the end face of the connection element. In this way, an expansion, e.g. due to thermal effects, of the line element can be compensated for during production, so that the line element does not move in the connection element during production and thus deteriorate the connection.
  • a stop for the strand can also be provided.
  • a pair of press inserts is arranged around a central area of the connection element.
  • the middle area of the connection element can include the middle third, but it can also extend to one end of the connection element.
  • connection element has also proven to be advantageous to move the line element and the connection element vertically and/or horizontally in relation to one another until the connection element is optimally positioned and aligned relative to the line element.
  • Fig. 1a shows the schematic representation of a press insert 300. It is clearly visible that the groove 315 extends over the entire narrow side of the end face 310 of the press insert 300.
  • the groove 315 is designed in such a way that it has a smaller diameter than the groove 215 of the receiving elements 200 (see FIG Fig. 1b ).
  • the press insert 300 is suitable for forming the connecting element 150 (see Figure 2a ) to accomplish.
  • the fillet 315 is configured in the embodiment shown to have a hexagonal shape when the die 300 is used in pairs.
  • Fig. 1b shows the schematic representation of a receiving element 200.
  • the receiving element 200 has a groove 215 on the end face 210.
  • FIG. Furthermore, the receiving element 200 has a shaft 230 . In the embodiment shown, this is open at the bottom.
  • the receiving element 200 is designed in such a way that when the pressing insert 300 (see Fig. 1a ) is disposed in the well 230, the fillet 315 of the die 300 is substantially aligned with the fillet 215 of the receptacle 200, except for the different diameters and shapes of the fillets 215 and 315.
  • the die may be up to 0.2 mm to preside
  • FIG. 1c shows the schematic representation of a clamp 400.
  • the clamp 400 has a groove 415 on the end face 410 (this on in 1c down) up.
  • the clamping bracket 400 has a stop 450 on a first side 420 .
  • the clamp 400 is designed to be movable. It can be clearly seen that the stop 450, when it is guided down and closed, the groove 415 of the Clamping bracket 400 is not completely closed, but is suitable for allowing a protruding part of the connection element to protrude over the connection element.
  • Figure 2a shows the schematic exploded view of a system 10 according to the invention, which was realized by means of a vise or vise.
  • the elements of the press insert 300 and the receiving element 200 are attached to an adapter plate 290 which is arranged on a carriage track 530 .
  • the elements of the press insert 300 and the receiving element 200 on an adapter plate 290 can also be made in one piece.
  • the adapter plate 290 enables simple assembly on a vise or vise 500. It can be clearly seen that the elements of the press insert 300, receiving element 200 and adapter plate 290 are arranged in pairs opposite one another.
  • a line element 100 and a connection element 150 are arranged in the middle of the system 10 .
  • the connection element 150 has a tab 158 .
  • the connector 150 is shown after the reshaping and opening of the system 10; thereby, by closing the movable element of the vise or vice 500, the central area 155 of the connecting element 150 was pressed into a hexagonal shape.
  • a vise or vice 500 can exert enormous forces on the workpiece in a predictable manner and ensure a satisfactory repeatability of the movement sequences and thus bring about a high-quality forming.
  • Figure 2b shows a closed vice or vice immediately after the end of the forming process. Only the tab 158 and an upper part of the connecting element 150 can be seen. The change in the elements of the vise or vise 500 is, particularly in comparison with Figure 2a , clearly visible. In this case, the pressing insert 300 is covered by the closed receiving element 200 .
  • a welding tool 600 eg based on a spot friction welding tool, a sonotrode, an electrode or a hot stamp
  • the welding tool 600 can be used to achieve a cohesive connection between the strand element 100 and the connecting element 150 after the forming, and thus further improve the quality of the connection.
  • the system 10 is arranged vertically.
  • the receiving element 200 is floatingly mounted in the vertical direction on a lower tool unit 550 by a spring mechanism and can be moved in the open vise position move relative to the die 300.
  • the receiving element 200 is designed in such a way that, in addition to the connecting element 150 , it also receives the strand element 100 in a separate recess/mold cavity outside the forming area by means of a die 580 and a holding device 590 .
  • the line element 100 and the connecting element 150 are placed horizontally in the receiving element 200, the connecting element 150 being fixed via a clamp 400 and the line element 100 via a separate clamping element 540 on the receiving element 200 or on a holding device 590 as part of the receiving element 200.
  • the die 580 for holding and positioning the connecting element 150 in the 3 shown can be displaced in the vertical and/or horizontal direction in relation to the matrix 580. This allows for easier positioning and retention of the connector member 150 relative to the string member 100.
  • This is preferably accomplished by a balancing member 510, which may be a spring, hydraulic cylinder, or similar mechanical balancing member.
  • the compensating element 510 is preferably arranged on the lower tool unit 550 below the die 510 and/or below the holding device 590 of the connecting element 200.
  • the die 580 is held by a stamp-shaped hydraulic compensating element 510 and the holding device 590 of the connecting element 200 by means of a spring as a compensating element 510.
  • the die 580 also has a clamping hook 585 which grasps the tab 158 of the connecting element 150 and thus supports positioning of the connection element 150 is used.
  • the receiving element 200 is arranged higher than the press insert 300 by the spring mechanism. This has the advantage that tilting or slipping of the connecting element 150 and the strand element 100 on the relatively narrow press insert 300, which otherwise projects relative to the receiving element 200, whose width usually • 10 mm is avoided.

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Manufacturing Of Electrical Connectors (AREA)
  • Wire Processing (AREA)
  • Pressure Welding/Diffusion-Bonding (AREA)
  • Automatic Assembly (AREA)

Claims (14)

  1. Système (10), qui est adapté pour établir une liaison mécanique entre un élément continu (100) et un élément de raccordement (150), présentant :
    - une paire d'éléments de réception (200),
    dans lequel chaque élément de réception (200) présente un côté frontal (210) avec une gorge (215), qui est appropriée pour recevoir l'élément de raccordement (150), et un puits (230),
    - un étrier de serrage (400) avec un côté frontal (410) qui présente une gorge (415), qui est appropriée pour recevoir l'élément de raccordement (150), et une butée (450) qui est agencée sur un premier côté (420) de l'étrier de serrage (400),
    - une paire d'inserts de presse (300),
    dans lequel chaque insert de presse (300) présente un côté frontal (310) avec une gorge (315) qui s'étend sur tout le petit côté du côté frontal, et dans lequel l'insert de presse (300) est adapté pour être agencé dans le puits (230) d'un élément de réception associé (200), et, lorsque l'insert de presse (300) est agencé dans le puits (230), la gorge (315) de l'insert de presse (300) est essentiellement alignée avec la gorge (215) de l'élément de réception (200),
    - un étau à vis ou de serrage (500),
    dans lequel les éléments de réception (200) et les inserts de presse (300) sont agencés dans l'étau à vis ou de serrage (500),
    de telle sorte que, lors de l'établissement de la liaison, le système (10) reçoit l'élément continu (100) avec l'élément de raccordement (150), qui est agencé à une première extrémité (110) de l'élément continu (100), jusqu'à la butée (450), et
    la paire d'inserts de presse (300) est agencée autour d'une zone centrale (155) de l'élément de raccordement (150) .
  2. Système (10) selon la revendication 1,
    dans lequel l'élément continu (100) est constitué au moins partiellement de matières plastiques, notamment de thermoplastiques, de métaux mous, notamment d'aluminium ou de cuivre ou d'alliages d'aluminium et/ou de cuivre, et/ou d'acier et/ou de combinaisons de ces matériaux, l'élément de raccordement (150) est constitué au moins partiellement de matières plastiques, notamment de thermoplastiques, de métaux mous, notamment d'aluminium ou de cuivre ou d'alliages d'aluminium et/ou de cuivre, et/ou d'acier et/ou de combinaisons de ces matériaux, et l'élément continu (100) et/ou l'élément de raccordement (150) est revêtu de matières plastiques, de vernis, de métaux, notamment de nickel, d'étain, de zinc, d'argent.
  3. Système (10) selon l'une quelconque des revendications précédentes,
    dans lequel la paire de gorges (215) des inserts de presse (300) forme un polygone, notamment un hexagone.
  4. Système (10) selon l'une quelconque des revendications précédentes,
    le système (10) présentant en outre un outil de soudage (600) pour la liaison par liaison de matière de l'élément continu (100) et de l'élément de raccordement (150).
  5. Système (10) selon l'une quelconque des revendications précédentes, dans lequel la paire d'éléments de réception (200) peut être entraînée par les mâchoires (520) ou l'embout de mâchoire de l'étau à vis ou de serrage (500).
  6. Système (10) selon la revendication 5,
    dans lequel au moins un côté de mâchoire de l'étau à vis ou de serrage (500) est intégré dans une unité d'outil (550) qui peut être déplacée le long d'une glissière (570) par rapport à une deuxième unité d'outil (550).
  7. Système (10) selon la revendication 6,
    dans lequel un dispositif de maintien (590) fait partie de l'élément de réception (200) pour recevoir l'élément continu (100) et une matrice (580) agencée de manière correspondante sur l'unité d'outil (550) sert au positionnement et à l'orientation de l'élément de raccordement (150) par rapport à l'élément continu (100).
  8. Système (10) selon la revendication 7,
    dans lequel le dispositif de maintien (590) et la matrice (580) agencée de manière correspondante sont montés de manière à pouvoir être coulissés horizontalement et/ou verticalement l'un par rapport à l'autre au moyen d'au moins un élément de compensation (510).
  9. Système (10) selon l'une quelconque des revendications 7 ou 8,
    dans lequel la matrice (580) présente un crochet de serrage (585) correspondant à une patte (158) de l'élément de raccordement (150) et permet ainsi le positionnement et l'orientation de l'élément de raccordement (150) au moyen du déplacement du crochet de serrage (585).
  10. Système (10) selon l'une quelconque des revendications précédentes,
    le système (10) comprenant en outre un système de refroidissement et/ou un système de préchauffage (560), avec lequel au moins des parties du système (10), l'élément continu (100) et/ou l'élément de raccordement (150) peuvent être refroidis ou chauffés pendant le processus de formage et/ou pendant le processus de soudage ultérieur.
  11. Procédé d'établissement d'une liaison mécanique entre un élément continu et un élément de raccordement (150) en utilisant un système selon la revendication 1, comprenant les étapes suivantes :
    - l'agencement de l'élément continu (100) avec l'élément de raccordement (150), qui est agencé à une première extrémité (110) de l'élément continu (100), contre la butée (450) de l'étrier de serrage (400) ;
    - l'agencement de la paire d'inserts de presse (300) autour d'une zone centrale (155) de l'élément de raccordement (150) ;
    - la liaison par liaison de matière de l'élément continu (100) et de l'élément de raccordement (150) au moyen d'un outil de soudage (600).
  12. Procédé selon la revendication 11,
    dans lequel l'élément continu (100) est agencé dans l'élément de raccordement (150) de telle sorte qu'une distance prédéfinie reste entre une première extrémité (110) de l'élément continu (100) et le côté intérieur (156) du côté frontal (157) de l'élément de raccordement (150) .
  13. Procédé selon l'une quelconque des revendications 11 ou 12,
    dans lequel l'élément continu (100) et l'élément de raccordement (150) sont coulissés verticalement et/ou horizontalement l'un par rapport à l'autre jusqu'à ce qu'un positionnement et une orientation optimaux de l'élément de raccordement (150) par rapport à l'élément continu (100) soient obtenus.
  14. Procédé selon l'une quelconque des revendications 11 à 13, comprenant l'étape supplémentaire suivante :
    - le refroidissement ou le chauffage d'au moins une partie du système (10), de l'élément continu (100) et/ou de l'élément de raccordement (150) pendant le processus de formage et/ou pendant le processus de soudage ultérieur.
EP18742909.7A 2018-07-04 2018-07-04 Fabrication de raccords sertis à la presse dans l'étau Active EP3818600B1 (fr)

Applications Claiming Priority (1)

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PCT/DE2018/100608 WO2020007383A1 (fr) 2018-07-04 2018-07-04 Fabrication de raccords sertis à la presse dans l'étau

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EP3818600A1 EP3818600A1 (fr) 2021-05-12
EP3818600B1 true EP3818600B1 (fr) 2023-02-15

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EP (1) EP3818600B1 (fr)
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Also Published As

Publication number Publication date
EP3818600A1 (fr) 2021-05-12
US20210273395A1 (en) 2021-09-02
WO2020007383A1 (fr) 2020-01-09
CN112449734A (zh) 2021-03-05
CN112449734B (zh) 2022-09-13

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