EP3840125B1 - Procédé et dispositif de fabrication d'un ensemble de conduite - Google Patents

Procédé et dispositif de fabrication d'un ensemble de conduite Download PDF

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Publication number
EP3840125B1
EP3840125B1 EP19217572.7A EP19217572A EP3840125B1 EP 3840125 B1 EP3840125 B1 EP 3840125B1 EP 19217572 A EP19217572 A EP 19217572A EP 3840125 B1 EP3840125 B1 EP 3840125B1
Authority
EP
European Patent Office
Prior art keywords
pressing
fastening tube
central axis
cable
internal diameter
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
EP19217572.7A
Other languages
German (de)
English (en)
Other versions
EP3840125A1 (fr
Inventor
Christian Dürmeier
Walter Lang
Hubert Huber
Rudolf Wiebe
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.)
MD Elektronik GmbH
Original Assignee
MD Elektronik 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 MD Elektronik GmbH filed Critical MD Elektronik GmbH
Priority to EP19217572.7A priority Critical patent/EP3840125B1/fr
Priority to CN202011324762.9A priority patent/CN112993709B/zh
Priority to US17/114,513 priority patent/US11217954B2/en
Publication of EP3840125A1 publication Critical patent/EP3840125A1/fr
Application granted granted Critical
Publication of EP3840125B1 publication Critical patent/EP3840125B1/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
    • H01R43/04—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
    • H01R43/0585—Crimping mandrels for crimping apparatus with more than two radially actuated mandrels
    • 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
    • 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
    • H01R4/20—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 using a crimping sleeve
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
    • H01R9/03—Connectors arranged to contact a plurality of the conductors of a multiconductor cable, e.g. tapping connections
    • H01R9/05—Connectors arranged to contact a plurality of the conductors of a multiconductor cable, e.g. tapping connections for coaxial cables
    • H01R9/0518—Connection to outer conductor by crimping or by crimping ferrule

Definitions

  • the invention relates to a method for producing a line connection arrangement, with a line connector and an electrical line connected to the line connector.
  • the invention further relates to a device for producing such a line connection arrangement.
  • coaxial cables are used, for example.
  • the coaxial arrangement of the inner conductor, dielectric and shielding can largely ensure a high transmission quality of signals with low attenuation and low susceptibility to interference, provided that the coaxial structure and the associated line impedance remain as constant as possible over the entire length of the electrical line.
  • the cable ends, on which plug-in systems are usually mounted are often problematic in this context in order to communicatively connect the electrical cable to the components between which data transmission is to take place.
  • Undesirable defects regularly arise on the line, which can occur, for example, due to asymmetrical deformation of the electrical line during assembly of the plug-in system on the electrical line.
  • interference points can overall affect the transmission quality of signals to be transmitted.
  • the defects can lead to frequency-dependent attenuations, which are also referred to as “notches”.
  • it must be ensured that the connection between the plug-in system and the electrical cable is stable enough to enable safe use of the electrical cable and the plug-in system.
  • it is not possible to reliably connect a plug-in system to an electrical line without negatively affecting the transmission quality.
  • the US 3,499,101 A discloses a method of connecting a coaxial cable to a cylindrical member.
  • an outer conductor is exposed and expanded in one end section of the coaxial cable, the cylindrical element being arranged between an insulator of the coaxial cable and the expanded outer conductor.
  • a malleable sleeve is then placed over the end section.
  • the sleeve is pressed in a first area in which the outer conductor is arranged between the cylindrical element and the sleeve in such a way that the outer conductor is fixed between the sleeve and the cylindrical element.
  • the sleeve is pressed in such a way that the shielding retains its original diameter.
  • a part of the sleeve in which the sheath of the coaxial cable is arranged remains undeformed.
  • the US 10 355 379 B1 discloses an assembly including a conductor, such as a coaxial electrical cable, having a circular cross section and a cylindrical seamless outer sleeve having a sleeve radius surrounding a portion of the conductor.
  • the outer sleeve is deformed to define four depressions and four projections evenly spaced around a circumference of the outer sleeve.
  • the four depressions have a uniform depression radius that is smaller than the sleeve radius.
  • a further object is to provide a device for carrying out a method according to the invention.
  • a method according to the invention relates to the production of a line connection arrangement which comprises a line connector and an electrical line connected to the line connector.
  • a line connector can be understood as a component that is used to mechanically and electrically connect the electrical line to another component.
  • the component can be, for example, an electronic component or another electrical line.
  • the component preferably comprises a suitable mating plug element that can be connected to the line connector.
  • the line connector is preferably designed as a sleeve element, with the sleeve element particularly preferably having a rotationally symmetrical structure.
  • the sleeve element can have areas of different diameters.
  • the line connector can further be formed from an electrically conductive material.
  • the electrical line comprises at least one insulation layer, which preferably extends along a longitudinal direction of the electrical line, and a line jacket surrounding the insulation layer, which preferably also extends along the longitudinal direction of the electrical line and protects the electrical line against external influences.
  • the insulation layer can enclose at least one electrically conductive inner conductor.
  • an electrically conductive shielding which encloses the insulation layer can be arranged between the insulation layer and the cable jacket. If the electrical line has an inner conductor and a shield, it is preferred that the inner conductor, the insulation layer, the shield and the line jacket are arranged coaxially to one another.
  • the electrical line has at least one conductor end section, on which the line jacket is removed at least in areas, so that at least the insulation layer is preferably exposed. If a shield is arranged between the cable jacket and the insulation layer, the insulation layer can still be partially enclosed by the shield in the conductor end section. If the electrical line includes an inner conductor, the insulation layer can also be removed in the end section so that the inner conductor is exposed.
  • the inner conductor can be either single-core or multi-core.
  • the method according to the invention includes at least one step of positioning the line connector on a conductor end section, so that a section of the insulation layer is at least partially enclosed by the line connector. This can be done, for example, by designing the line connector as a sleeve element and pushing it at least partially over the insulation layer. It is therefore preferred that the insulation layer has a smaller diameter than the line connector.
  • the line connector is preferably positioned in an area on the line end section in which the line jacket is completely removed, so that an overlap of the line jacket and line connector is avoided.
  • the method according to the invention comprises at least one step of arranging the conductor end section within a fastening tube, so that a first tube section of the fastening tube at least encloses the line connector and a second tube section of the fastening tube at least partially encloses the line jacket.
  • the fastening tube preferably has an original inside diameter that is larger than the line connector and than the electrical line in the area of the line jacket.
  • the original inside diameter can be understood to mean the inside diameter of the fastening tube that the fastening tube has after its production and before its further processing.
  • the fastening tube is also preferably designed to be seamless.
  • the first pipe section is preferably defined by the area of the fastening pipe which at least partially encloses the line connector when the line end section is arranged with the line connector in the fastening pipe.
  • the second pipe section is accordingly preferably defined by the area of the fastening pipe, which at least partially encloses the cable jacket.
  • the method according to the invention includes a step of pressing the fastening tube between a plurality of strip-shaped pressing surfaces which are arranged at a constant distance from a central axis around the central axis, preferably on an imaginary circular path.
  • the fastening tube is preferably positioned coaxially to the central axis between the pressing surfaces.
  • coaxial positioning can be understood to mean that the fastening tube is positioned with its longitudinal axis on the central axis. It should be noted at this point that the central axis is an imaginary auxiliary line to illustrate the arrangement and does not represent a physical axis.
  • the strip-shaped pressing surfaces preferably run with their longest side parallel to the central axis. Furthermore, the pressing surfaces are preferably arranged with their longest sides parallel to one another.
  • the first pipe section is crimped with the line connector and the second pipe section is crimped with the line jacket. This is essentially done by reshaping the fastening tube through the pressing step. This creates a non-positive and/or positive connection between the fastening tube with the line connector and the line jacket.
  • pressing is preferably carried out by moving the pressing surfaces from a basic position into a pressing position and in this way pressing the fastening tube.
  • the pressing surfaces apply a force to the fastening tube synchronously, i.e. at the same time. It is particularly preferred that each pressing surface applies the same force to the fastening tube.
  • the first pipe section is pressed to a first inside diameter and the second pipe section to a second inside diameter, the first inside diameter being smaller than the second inside diameter.
  • the first pipe section is pressed to a first inner diameter that is smaller or at least equal to an outer diameter of the line connector, wherein the second pipe section is pressed to a second inner diameter that is smaller or at least equal to an outer diameter of the line jacket.
  • the pressing surfaces can be shaped like a circular arc, with an imaginary center of the circular arc shape lying on the central axis. It is particularly preferred that a complete circular shape is formed by the sum of all pressing surfaces, with the center of this circular shape particularly preferably lying on the central axis.
  • the method according to the invention can provide a manufacturing method of line connection arrangements that securely attaches a line connector to an electrical line and at the same time maintains a high transmission quality in the electrical line and the line connector.
  • This is made possible on the one hand by pressing the fastening tube through the plurality of strip-shaped pressing surfaces, which ensure uniform deformation and thus uniformly distributed crimping of the fastening tube with the cable jacket and the cable connector. In this way, undesirable deformations, particularly within the electrical line, are significantly reduced.
  • By pressing the fastening tube in the first tube section to the first inside diameter and in the second tube section to the second inside diameter it is additionally ensured that the electrical cable is not squeezed too much by the pressing. At the same time, a coaxial structure of the electrical line can be largely maintained if this is desired.
  • the fastening tube can be pressed over a total length of the fastening tube.
  • the longest side of the strip-shaped pressing surfaces preferably has a greater length than the length of the fastening tube.
  • the mounting tube may have a constant original inside diameter before the pressing step.
  • the first and second inner diameters can only be created during the pressing step.
  • a particularly advantageous pressing of the fastening tube can occur if the fastening tube is pressed through at least ten, particularly preferably at least sixteen, pressing surfaces.
  • the pressing surfaces can be arranged rotationally symmetrically about the central axis, so that it is advantageous if an even number of pressing surfaces is always selected.
  • an almost circular shape of the fastening tube can be ensured even after the pressing step, which significantly increases the stability of the crimping. The reason for this is that forces acting on the fastening pipe can be diverted over the entire circumference of the line connector and/or the circumference of the line jacket.
  • a gap can remain at least between two adjacent pressing surfaces, in which the fastening tube remains unpressed.
  • a gap is preferably arranged between all adjacent pressing surfaces. It is particularly preferred that the gap is the same size on all adjacent pressing surfaces.
  • the pressing surfaces have a width that corresponds to a maximum of ten times the width of the gap, preferably a maximum of five times the width of the gap.
  • the width of the gap can be understood as the distance between two adjacent pressing surfaces, which the pressing surfaces have when they are preferably in a pressing position. Accordingly, the width of the gap can correspond to the width of the unpressed area of the fastening tube.
  • the width of a press surface can be understood to mean a narrow side that is arranged between two longest sides of the press surface.
  • the electrical line comprises a shielding, which is preferably arranged between the insulation layer and the cable jacket and preferably encloses the insulation layer along the longitudinal direction of the electrical line
  • the shielding can be arranged between the fastening tube and a surface of the line connector facing the fastening tube during the arranging step become.
  • the line connector is to be used as an external conductor and an electrically conductive connection between the shield and the line connector is necessary.
  • the shielding is usually arranged directly on the insulation layer, it can be advantageous if a step of widening the shielding takes place before the positioning step in order to create a, preferably circumferential, distance between the shielding and the insulation layer at least in some areas. In this way The line connector can be positioned enclosing the insulation layer on the conductor end section between the insulation layer and the shielding.
  • the line connector is pressed to an inside diameter at least in the first pipe section, which corresponds to an original inside diameter of the shielding.
  • the original inner diameter of the shielding can be understood to mean the inner diameter that the shielding has before the pressing step and the widening step, provided that a widening step is carried out.
  • the invention relates to a device for producing a line connection arrangement according to the method according to the invention.
  • the device according to the invention comprises a plurality of tool segments which are arranged at a constant distance from a central axis around the central axis, preferably on an imaginary circular path, and are movable perpendicular to the central axis between a basic position and a pressing position, preferably synchronously, with each tool segment on one the side facing the central axis has a strip-shaped pressing surface.
  • the pressing surfaces preferably run with their longest side parallel to one another and parallel to the central axis.
  • the movement of the tool segments between the basic position and the pressing position can be carried out, for example, by a pneumatic, mechanical or electrical drive.
  • Each pressing surface includes at least a first and at least a second pressing surface section.
  • the first pressing surface section has a smaller distance from the central axis than the second pressing surface section.
  • the first pressing surface sections preferably of all tool segments, form a first pressing area for pressing the first pipe section onto the first inner diameter.
  • the second pressing surface sections preferably of all tool segments, form a second pressing area for pressing the second pipe section onto the second inner diameter.
  • the device according to the invention can be used to produce a line connection arrangement according to the method according to the invention.
  • the fastening tube is pressed to the first inside diameter in the first tube section and to the second inside diameter in the second tube section. It is preferred that the first tube section is at least predominantly, more preferably completely, pressed in the first pressing area and the second tube section is at least predominantly, even more preferably completely, pressed in the second pressing area.
  • the tool segments are preferably arranged at constant distances from one another, particularly in the area of the pressing surfaces, so that a gap is formed between two tool segments.
  • the distance between at least two adjacent tool segments in the basic position can differ from a distance between at least two adjacent tool segments in the pressing position. However, it is preferred that a distance between the tool segments is maintained even in the pressing position.
  • a step can be formed between the first and second pressing surface sections.
  • the step can run perpendicular to the central axis, so that there is an abrupt transition between the first and second pressing surface sections.
  • the step can run obliquely, so that a smooth transition between the first and second pressing surface sections is made possible.
  • the step has a height that corresponds to at most twice, more preferably one layer, thickness of the cable jacket.
  • At least one pressing surface can have edges that run parallel to the central axis and are rounded off.
  • the edges preferably run along the longest sides of the pressing surfaces. This is particularly advantageous if the tool segments are arranged at a distance from one another, so that an unpressed area remains in the fastening tube between the pressing surfaces during the pressing step.
  • the rounded edge means that sharp transitions between pressed and unpressed areas in the fastening tube can be avoided.
  • At least one tool segment can comprise a first sub-segment and a second sub-segment, the first sub-segment forming the first pressing surface section and the second sub-segment forming the second pressing surface section.
  • the shape of the pressing surfaces can be created and put together in a modular system.
  • first sub-segment and the second sub-segment are detachably connected to one another.
  • the sub-segments can also be used multiple times in different configurations.
  • a chamfer can be arranged between the first and second pressing surface sections.
  • the second pressing surface section can additionally have a recess in the area of the chamfer or in the area of the step in order to form a defined bead in the fastening tube during the pressing step.
  • a chamfer can also be arranged on a side of the second pressing section facing away from the first pressing section.
  • Figure 1 shows a first embodiment of a device 25 according to the invention for carrying out a method according to the invention.
  • the device 25 comprises sixteen tool segments 19 which are arranged around a central axis 20.
  • the tool segments 19 are arranged rotationally symmetrically in a circle around the central axis 20 at a constant distance from the central axis 20.
  • the tool segments 19 can be moved perpendicular to the central axis 20 between a basic position and a pressing position using a mechanical drive.
  • An actuation stop is arranged on the central axis 20 on a rear side of the device 25. If the actuation stop is actuated, the tool segments 19 move from the basic position into the pressing position.
  • the actuation stop can be triggered by an electrical line to be pressed by inserting the electrical line into the device 25 along the central axis 20 until it actuates the actuation stop.
  • the actuation stop can also serve to position the electrical line correctly between the tool segments 19. After pressing, the tool segments 19 move back to the basic position.
  • Figure 2 shows a schematic representation of the tool segments 19 according to the first exemplary embodiment.
  • the tool segments 19 are arranged rotationally symmetrically.
  • the axis of symmetry runs on the central axis 20.
  • Each tool segment 19 is assigned an opposite tool segment 19.
  • the tool segments 19 have a uniform structure and can therefore be viewed as identical parts.
  • the tool segments 19 have a shape that tapers towards the central axis 20 in order to enable, on the one hand, a stable fastening of the drive at an end facing away from the central axis 20 and at the same time the tightest possible arrangement in the area of the central axis 20.
  • Figure 3 shows a sectional view of a second embodiment of a device 25 according to the invention in a basic position in the area of the central axis 20.
  • the cutting plane runs along the central axis 20.
  • sixteen tool segments 19 are arranged around the central axis 20 and have a uniform structure.
  • a conductor end section 8 of an electrical line 3 is arranged on the central axis 20.
  • the electrical line 3 is a coaxial line, consisting of an inner conductor 4 Copper, an insulation layer 5, a shielding 6, which is created by a wire mesh made of copper and a cable jacket 7.
  • the cable jacket 7 is removed in the area of the conductor end section 8, so that the shielding 6 is exposed. Furthermore, in a partial area of the conductor end section 8, the insulation layer 5 and the shielding 6 are also removed, so that the inner conductor 4 is exposed. The exposed inner conductor 4 was crimped with a crimp sleeve, not shown, in a previous process step, not shown.
  • a line connector 2 is positioned on the electrical line 3 in the conductor end section 8.
  • the line connector 2 is formed by a sleeve element made of bronze.
  • the line connector 2 is arranged between an insulation layer 5 and shielding 6 on the conductor end section 8, with the line connector 2 partially enclosing the insulation layer 5.
  • the insulation layer 5 is partially arranged within the line connector 2.
  • the line connector 2 has a diameter that is larger than a diameter of the insulation layer 5.
  • the shielding 6 was expanded in a previous process step, not shown, so that there is a distance between the shielding 6 and the insulation layer 5.
  • the line connector 2 was then pushed onto the insulation layer 5.
  • the shielding 6 is arranged on a surface 18 on the line connector 2 facing away from the insulation layer 5, so that the shielding 6 is connected to the line connector 2 in an electrically conductive manner.
  • the conductor end section 8 and the line connector 2 are arranged within a fastening tube 9.
  • the fastening tube 9 is also made of bronze in the present exemplary embodiment.
  • the fastening tube 9 is arranged in relation to the line connector 2 and the electrical line 3 in such a way that a first tube section 10 of the fastening tube 9 encloses the shielding 6 and the line connector 2 and a second tube section 11 encloses the line jacket 7.
  • the fastening tube 9 is arranged with a central axis 13 on the central axis 20. Furthermore, the fastening tube is seamless and has a constant original diameter d0 over its length I.
  • the tool segment 19 is made of steel and has a pressing surface 12, which is divided into a first pressing surface section 14 and a second pressing surface section 15.
  • the two pressing surface sections 14, 15 become divided by a step 16, which in the present exemplary embodiment is arranged at an angle of 50 degrees to the central axis 20.
  • the step 16 is generated by a height difference in which the first pressing surface section 14 and the second pressing surface section 15 are arranged relative to one another. In the present exemplary embodiment, the height of the step is 0.1 mm.
  • the first pressing surface sections 14 of the sixteen tool segments 19 form a first pressing area A, with the second pressing surface sections 15 forming a second pressing area B.
  • FIG 4 an enlarged sectional view of the second exemplary embodiment is shown in the first pressing area A.
  • a circular section of the electrical line and the device 25 according to the invention is shown with the central axis 20 as the center.
  • the cutting plane runs perpendicular to the central axis 20.
  • the pressing surfaces 12 of the individual tool segments, not shown, are arranged at equal distances from one another around the central axis 20. Since the pressing surfaces 12 are arranged in the basic position, the pressing surfaces 12 are also at a distance from the fastening tube 9.
  • Figure 5 shows the second exemplary embodiment of the device 25 according to the invention in a pressing position.
  • the first pressing area A presses the first pipe section 10 to a first inner diameter d1.
  • the second pressing area B presses the second pipe section 11 to a second inner diameter d2.
  • the first inside diameter d1 is smaller than the second inside diameter d2.
  • the transition between the first and second inner diameters d1, d2 of the fastening tube 9 is generated by the step 16 between the pressing areas A, B.
  • the oblique course of the step 16 ensures that no sharp-edged areas are formed on the fastening tube 9.
  • the shielding 6 is additionally pressed between the fastening tube 9 and the line connector 2, so that a non-positive, conductive connection between the line connector 2 and the shielding 6 is created.
  • the fastening tube 9 is crimped with the line connector 2 in the first tube section 10.
  • the second pipe section 11, however, is crimped with the cable jacket 7.
  • the fastening tube 9 is pressed over its entire length I.
  • Figure 6 shows the circular section of the second embodiment in the first pressing area A, with the tool segments 19 being in a pressing position.
  • all pressing surfaces 12 act simultaneously with the same force on the fastening tube 9 and thus reshape the fastening tube 9 as a result of the pressing.
  • the pressing surfaces 12 are arranged at a uniform distance, so that a gap 17 remains between two adjacent pressing surfaces 12 in the pressing position. In the area of the gap 17, the fastening tube 9 is not pressed, so that even after pressing has taken place, unpressed areas remain between the pressing surfaces 12.
  • the ratio between the width b1 of the pressing surfaces 12 to the width b2 of the column 17 is selected to be one to six in the present exemplary embodiment.
  • a width b1 of the pressing surfaces corresponds to six widths b2 of the column 17.
  • the pressing surfaces In order to promote the flow of the material of the fastening tube 9 during pressing, the pressing surfaces have rounded edges 21 on the sides that run parallel to the central axis.
  • Figure 7 shows a third embodiment of the device 25 according to the invention in a sectional view, with only one tool segment 19 being shown in the basic position for a better overview.
  • the tool segment 19 has a chamfer 24 on a side of the second pressing region B facing away from the first pressing region A. With the help of the chamfer 24, the flow of the material of the fastening tube 9 is promoted during pressing.
  • Figure 8 shows a fourth embodiment of the device 25 according to the invention in a sectional view.
  • the tool segment 19 is in the basic position.
  • the tool segment 19 has a recess between step 16 and second pressing surface section 15.
  • a space can be formed during the pressing process into which the flowing material of the fastening tube 9 can penetrate and form a bulge.
  • Figure 9 shows a fifth embodiment of a device 25 according to the invention in a sectional view.
  • the tool segment 19 has a first sub-segment 22 and a second sub-segment 23.
  • the sub-segments 22; 23 are screwed together.
  • the first sub-segment 22 forms the first pressing surface section 14.
  • the second sub-segment 23 forms the second pressing surface section 15.

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Cable Accessories (AREA)
  • Insulated Conductors (AREA)

Claims (17)

  1. Procédé de fabrication d'un ensemble de connexion de ligne (1), comportant un connecteur de ligne (2) et une ligne électrique (3) connectée au connecteur de ligne (2), laquelle ligne comprend au moins une couche isolante (5) et une gaine de ligne (7) entourant la couche isolante (5), dans lequel la gaine de ligne (7) est éloignée au moins dans certaines régions au niveau d'au moins une partie d'extrémité de conducteur (8), comportant les étapes suivantes :
    - positionnement du connecteur de ligne (2) au niveau de la partie d'extrémité de conducteur (8), de sorte qu'une partie de la couche isolante (5) soit entourée au moins partiellement par le connecteur de ligne (2) ;
    - agencement de la partie d'extrémité de conducteur (8) à l'intérieur d'un tube de fixation (9), de sorte qu'une première partie de tube (10) du tube de fixation (9) entoure le connecteur de ligne (2) au moins dans certaines parties et qu'une deuxième partie de tube (11) du tube de fixation (9) entoure la gaine de ligne (7) au moins dans certaines parties ;
    - pressage du tube de fixation (9) entre une pluralité de surfaces de pressage (12) en forme de bandes, lesquelles sont agencées à une distance constante d'un axe central (20) autour de l'axe central (20) et les surfaces de pressage soumettent le tube de fixation à une force de manière synchrone,
    caractérisé en ce que la première partie de tube (10) est sertie sur le connecteur de ligne (2) et la deuxième partie de tube (11) est sertie sur la gaine de ligne (7), la première partie de tube (10) est pressée sur un premier diamètre intérieur (d1) et la deuxième partie de tube (11) est pressée sur un deuxième diamètre intérieur (d2) et le premier diamètre intérieur (d1) est inférieur au deuxième diamètre intérieur (d2).
  2. Procédé selon la revendication précédente, dans lequel, pendant l'étape de pressage, le tube de fixation (9) est pressé sur une longueur totale (I) du tube de fixation (9).
  3. Procédé selon l'une des revendications précédentes, dans lequel le tube de fixation (9) présente, avant l'étape de pressage, un diamètre intérieur initial constant (d0).
  4. Procédé selon l'une des revendications précédentes, dans lequel le tube de fixation (9) est pressé, en particulier de manière synchrone, par au moins dix, de manière particulièrement préférée au moins seize, surfaces de pressage (12).
  5. Procédé selon l'une des revendications précédentes, dans lequel, pendant l'étape de pressage, un espace (17) dans lequel le tube de fixation (9) demeure non pressé demeure au moins entre deux surfaces de pressage adjacentes (12).
  6. Procédé selon la revendication précédente, dans lequel les surfaces de pressage (12) présentent une largeur (b1) qui correspond au maximum au décuple de la largeur (b2) de l'espace (17), de préférence au maximum au quintuple de la largeur (b2) de l'espace (17).
  7. Procédé selon l'une des revendications précédentes, dans lequel la ligne électrique comprend un blindage (6) et, pendant l'étape d'agencement, le blindage (6) est agencé entre le tube de fixation (9) et une surface (18) du connecteur de ligne (2) tournée vers le tube de fixation (9).
  8. Procédé selon la revendication précédente, dans lequel, pendant l'étape de pressage, au moins dans la première partie de tube (10), le connecteur de ligne (2) est pressé sur un diamètre intérieur qui correspond à un diamètre intérieur initial du blindage (6).
  9. Dispositif (25) de fabrication d'un ensemble de connexion de ligne (1), comportant un connecteur de ligne (2) et une ligne électrique (3) connectée au connecteur de ligne (2), laquelle ligne comprend au moins une couche isolante (5) et une gaine de ligne (7) entourant la couche isolante (5), dans lequel la gaine de ligne (7) est éloignée au moins dans certaines régions au niveau d'au moins une partie d'extrémité de conducteur (8), selon un procédé comportant les étapes suivantes : positionnement du connecteur de ligne (2) au niveau de la partie d'extrémité de conducteur (8), de sorte qu'une partie de la couche isolante (5) soit entourée au moins partiellement par le connecteur de ligne (2) ; agencement de la partie d'extrémité de conducteur (8) à l'intérieur d'un tube de fixation (9), de sorte qu'une première partie de tube (10) du tube de fixation (9) entoure le connecteur de ligne (2) au moins dans certaines parties et qu'une deuxième partie de tube (11) du tube de fixation (9) entoure la gaine de ligne (7) au moins dans certaines parties ; pressage du tube de fixation (9) entre une pluralité de surfaces de pressage (12) en forme de bandes, lesquelles sont agencées à une distance constante d'un axe central (20) autour de l'axe central (20) et les surfaces de pressage soumettent le tube de fixation à une force de manière synchrone ; dans lequel la première partie de tube (10) est sertie sur le connecteur de ligne (2) et la deuxième partie de tube (11) est sertie sur la gaine de ligne (7), la première partie de tube (10) est pressée sur un premier diamètre intérieur (d1) et la deuxième partie de tube (11) est pressée sur un deuxième diamètre intérieur (d2) et le premier diamètre intérieur (d1) est inférieur au deuxième diamètre intérieur (d2), dans lequel le dispositif présente une pluralité de segments d'outil (19) qui sont agencés à une distance constante d'un axe central (20) autour de l'axe central (20) et sont déplaçables de manière synchrone orthogonalement à l'axe central (20) entre une position de base et une position de pressage, dans lequel chaque segment d'outil (19) présente une surface de pressage (12) en forme de bande sur un côté tourné vers l'axe central (19), chaque surface de pressage (12) comprend au moins une première et au moins une deuxième partie de surface de pressage (14 ; 15), la première partie de surface de pressage (14) présente une plus petite distance à l'axe central (19) que la deuxième partie de surface de pressage (15), caractérisé en ce que les premières parties de surface de pressage (14) forment une première région de pressage (A) servant au pressage de la première partie de tube (10) sur le premier diamètre intérieur (d1) et les deuxièmes parties de surface de pressage (15) forment une deuxième région de pressage (B) servant au pressage de la deuxième partie de tube (11) sur le deuxième diamètre intérieur (d2).
  10. Dispositif (25) selon la revendication précédente, dans lequel un gradin (15) est formé entre la première et la deuxième partie de surface de pressage (14, 15).
  11. Dispositif (25) selon la revendication précédente, dans lequel une hauteur du gradin (15) correspond au maximum à une épaisseur de couche de la gaine de ligne (7) de la ligne électrique (3).
  12. Dispositif (25) selon l'une des revendications 9 à 11, dans lequel au moins une surface de pressage (12) présente des bords (21) s'étendant parallèlement à l'axe central (20), lesquels sont arrondis.
  13. Dispositif (25) selon l'une des revendications 9 à 12, dans lequel au moins dix, de préférence au moins seize, segments d'outil (18) sont prévus.
  14. Dispositif (25) selon l'une des revendications 9 à 13, dans lequel les segments d'outil (18) sont agencés symétriquement autour de l'axe central (20).
  15. Dispositif (25) selon l'une des revendications 9 à 14, dans lequel au moins un segment d'outil (19) comprend un premier segment partiel (22) et un deuxième segment partiel (23), dans lequel le premier segment partiel (22) forme la première partie de surface de pressage (14) et le deuxième segment partiel (23) forme la deuxième partie de surface de pressage (15).
  16. Dispositif (25) selon la revendication 15, dans lequel le premier segment partiel (22) et le deuxième segment partiel (23) sont reliés l'un à l'autre de manière amovible.
  17. Dispositif (25) selon l'une des revendications 10 à 16, dans lequel au moins un segment d'outil (19) présente au moins un chanfrein (24) dans la région de la surface de pressage (12).
EP19217572.7A 2019-12-18 2019-12-18 Procédé et dispositif de fabrication d'un ensemble de conduite Active EP3840125B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP19217572.7A EP3840125B1 (fr) 2019-12-18 2019-12-18 Procédé et dispositif de fabrication d'un ensemble de conduite
CN202011324762.9A CN112993709B (zh) 2019-12-18 2020-11-23 制造线缆装置的方法和设备
US17/114,513 US11217954B2 (en) 2019-12-18 2020-12-08 Method and device for producing a cable connection assembly

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP19217572.7A EP3840125B1 (fr) 2019-12-18 2019-12-18 Procédé et dispositif de fabrication d'un ensemble de conduite

Publications (2)

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EP3840125A1 EP3840125A1 (fr) 2021-06-23
EP3840125B1 true EP3840125B1 (fr) 2023-10-11

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US (1) US11217954B2 (fr)
EP (1) EP3840125B1 (fr)
CN (1) CN112993709B (fr)

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1493515A (en) * 1923-04-07 1924-05-13 Rajah Auto Supply Co Crimping machine
US2567155A (en) * 1946-06-27 1951-09-04 Aircraft Marine Prod Inc Crimping die
US3499101A (en) * 1968-08-23 1970-03-03 Amp Inc Outer conductor crimp for coaxial devices
US3728889A (en) * 1969-07-29 1973-04-24 Itt Crimping device
DE202012102561U1 (de) * 2012-07-11 2013-10-14 Weidmüller Interface GmbH & Co. KG Crimpwerkzeug für Aderendhülsen
US10355379B1 (en) * 2018-03-26 2019-07-16 Delphi Technologies, Llc Conductor assembly with a crimped tubular ferrule and method of manufacturing same
CN208849217U (zh) * 2018-11-14 2019-05-10 江苏恒泰易通新能源科技有限公司 一种新能源汽车的六边形免换模压接装置
CN216324382U (zh) * 2021-11-17 2022-04-19 四川泓奇航都科技有限公司 一种灌浆套筒剪力槽挤压机

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US11217954B2 (en) 2022-01-04
CN112993709B (zh) 2023-01-06
EP3840125A1 (fr) 2021-06-23
US20210194197A1 (en) 2021-06-24
CN112993709A (zh) 2021-06-18

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