EP3916932A1 - Serre-flan contact - Google Patents

Serre-flan contact Download PDF

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Publication number
EP3916932A1
EP3916932A1 EP20176362.0A EP20176362A EP3916932A1 EP 3916932 A1 EP3916932 A1 EP 3916932A1 EP 20176362 A EP20176362 A EP 20176362A EP 3916932 A1 EP3916932 A1 EP 3916932A1
Authority
EP
European Patent Office
Prior art keywords
holding
contact
closed position
contact part
support surface
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.)
Granted
Application number
EP20176362.0A
Other languages
German (de)
English (en)
Other versions
EP3916932B1 (fr
Inventor
Andreas Lenz
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.)
Komax SLE GmbH and Co KG
Original Assignee
Komax SLE GmbH and Co KG
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 Komax SLE GmbH and Co KG filed Critical Komax SLE GmbH and Co KG
Priority to EP20176362.0A priority Critical patent/EP3916932B1/fr
Publication of EP3916932A1 publication Critical patent/EP3916932A1/fr
Application granted granted Critical
Publication of EP3916932B1 publication Critical patent/EP3916932B1/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
    • H01R43/048—Crimping apparatus or processes
    • H01R43/055—Crimping apparatus or processes with contact member feeding mechanism

Definitions

  • the present invention relates to a contact hold-down for use in crimping cables.
  • contact parts For the production of cable plug connections, cable ends, in particular stripped cable ends, are provided with contact parts.
  • a common method of connecting the contact parts to the cable ends is pressing or crimping.
  • the contact parts have a crimping point which is plastically deformed during the crimping process in such a way that the contact part is firmly connected to the cable end.
  • an anvil and a mostly essentially U- or W-shaped crimping die are used as a rule.
  • the contact part tends to stick to the crimping die after crimping. This is a consequence of the plastic and elastic deformation of the crimping point after or during crimping in the crimping die or a jamming of the remaining contact part with the crimping die.
  • a conventional solution to this problem is to oil the affected contact points.
  • the disadvantage of this is the poorer electrical conductivity of the contact parts compared to non-oiled contact parts.
  • a device with an oiler requires more maintenance than devices with a dry crimping process.
  • stop or wiper elements Another conventional solution is the use of stop or wiper elements.
  • the contact part is stripped off in the upward movement on such a stop or stripping element.
  • a stop or stripping element is for example in the U.S. 6,073,471 A disclosed device is present.
  • Another conventional solution consists in the use of a spring-loaded wiper which, after the crimping process, presses the contact part away from the crimping surface of the crimping die when the crimping die moves upwards.
  • Corresponding crimping devices are for example in U.S. 5,353,625 A and also in the U.S. 6,073,471 A disclosed.
  • contact hold-downs Another way is pursued with so-called contact hold-downs.
  • the contact part is held back in the direction of movement of the crimping die until the crimping process is completed and the crimping die has moved away from the contact part.
  • An example of this is in the EP 1 994 612 B1 disclosed.
  • a hold-down device runs ahead of a punch. Since the hold-down device is connected to the punch via springs, the hold-down device remains in the specified position during the crimping process. This position is determined by exchangeable spacers.
  • the object of the present invention is to provide an improved hold-down device which offers advantages when holding the contact part.
  • the hold-down device can offer advantages in aligning the contact part.
  • a contact hold-down device can be used, for example, to hold a contact part in its position during a crimping process, i.e. during a deformation of the contact part by a crimping die.
  • the contact hold-down device can prevent the contact part from adhering to the crimping die after the deformation and from following the movement of the crimping die.
  • the contact hold-down device can be actuated independently of the crimping die.
  • the contact part can be selected from a variety of types.
  • the contact part can be crimped with a cable end using a crimping die and an anvil.
  • the crimping die and the anvil can be provided separately or in combination with the contact hold-down device.
  • the contact part can be, for example, an elongated, rectilinear contact part or an angled contact part, for example an angled F connector.
  • the contact parts can, for example, be connected to one another to form a tape or via a tape. Such contact parts are punched and shaped from a strip material but remain on a common contact strip (carrier strip) until crimping.
  • the contact hold-down device has two holding elements which are moved between an open and a closed position by a movement mechanism.
  • the two holding elements When moving from the open to the closed position, the two holding elements are moved towards one another. In other words, in the closed position the distance between the two holding elements is smaller than in the open position. In the closed position, the two holding elements can securely hold a contact part.
  • the contact part can be held in the closed position by the first holding area, which faces the second holding element, and the second holding area, which faces the first holding element.
  • the two holding elements can grip around the contact part in the closed position or clamp it between them, so that movement of the contact part is prevented or over a small area of, for example, a maximum of 10 mm or a maximum of 5 mm or a maximum of 2 mm or a maximum of 1 mm or a maximum of 0 .5 mm from the intended crimping position.
  • a movement of the contact part away from a support surface can be prevented or limited and / or a movement of the contact part in a direction parallel to the support surface can be prevented or limited.
  • the contact part In the open position, in which the holding elements are sunk into the support surface (running surface, conveying plane), the contact part can be brought into or removed from the crimping position without any problems, or subsequent contact parts can be brought into or out of the crimping position without any problems.
  • the movement mechanism can have two lever arms on which the holding elements are provided.
  • the holding elements can each be moved between the open and the closed position by pivoting the lever arms about two mutually parallel or identical pivot axes.
  • the two pivot axes can lie on one side of the support surface which is opposite to the direction in which the support surface faces. That is, if the support surface points upwards so that the contact part can rest on it, the pivot axes can be arranged below the support surface.
  • the pivot axes can be arranged under the bearing surface or in the bearing surface or in the body forming the bearing surface.
  • the lever arms can be elongated components.
  • the lever arms can be strip-shaped.
  • the pivot axis can be provided at one end of an elongated lever arm and the holding element can be provided at the other, opposite end of the elongated lever arm.
  • the lever arm can, for example, be provided with a hole through which a pin or shaft or a shaft is guided.
  • the lever arm can be pivoted, for example, by rotating the shaft.
  • the first pivot axis can lie on a first side along an x-axis perpendicular to the pivot axis with respect to the crimping position, the first lever arm can extend from the first pivot axis in the direction of an opposite second side along the x-axis with respect to the crimping position , and the first holding portion may be arranged on the second side with respect to the crimping position.
  • the second pivot axis can be on the second side along the x-axis with respect to the crimping position, the second lever arm can extend from the second pivot axis in the direction of the first side along the x-axis, and the second holding area can be on the first side be arranged with respect to the crimping position.
  • the first and the second lever arm can be arranged on opposite sides of the support element in a direction along the pivot axes (y-axis).
  • the first and second holding elements lie on opposite sides along the x-axis with respect to the crimping position.
  • the distance between the two pivot axes can be less than the sum of the distances between the pivot axes and the holding areas of the holding elements provided on the respective lever arms.
  • the distance between a pivot axis and a holding area is the shortest distance between the swivel axis and a part of the holding area which comes into contact with the contact part in the closed position or which limits a movement of the contact part.
  • the distance between the swivel axis and the holding area is the shortest distance between the swivel axis and a centering surface of the holding area facing the swivel axis or the contact part in the closed position. The distance is determined perpendicular to the pivot axis.
  • the distance between the two pivot axes can be greater than half the sum of the distances between the pivot axes and the holding areas of the holding elements provided on the respective lever arms. As a result, an advantageous angle between the holding elements is achieved in the closed position.
  • the two lever arms can be pivotably attached to the support element.
  • the two lever arms can be attached to shafts that are supported by the support element.
  • the two lever arms can be attached pivotably to another component, which is provided, for example, in a stationary manner with respect to the support element.
  • Inner contours of the holding elements facing the bearing surface can move on a circular path around the respective pivot axis during the movement between the open and the closed position.
  • the circular path is defined in a plane perpendicular to the pivot axis.
  • the angle of intersection facing the support surface between the tangents to the respective circular paths at an intersection point of the two circular paths can be, for example, in the range from 70 ° to 120 °.
  • the directions of movement of the holding elements intersect at an angle suitable for holding the contact part. That is, the angle formed by the holding elements in the closed position is preferably in the range from 70 ° to 120 °.
  • a movement of the contact part upwards away from the support surface can be limited in the closed position by retaining surfaces of the holding areas.
  • the retaining surfaces are designed in such a way that in the closed position they offer the contact part little or no upward play in the return direction (along the z-axis) of the crimping die.
  • the retaining surfaces can rest on the contact part in the closed position and hold the contact part on the bearing surface, or the retaining surfaces can be arranged in the closed position at a small distance of, for example, a maximum of 2 mm or a maximum of 1 mm above the contact part, so that the contact part can only move slightly upwards.
  • a distance between the retaining surfaces and the bearing surface at points of the retaining surfaces furthest away from the bearing surface in the closed position can be adapted to the respective contact part to be processed and can, for example, be a maximum of 50 mm or a maximum of 30 mm or a maximum of 20 mm or a maximum of 10 mm be.
  • a movement of the contact part in a direction parallel to the support surface can be limited in the closed position by centering surfaces of the holding areas.
  • the centering surfaces ensure a lateral positioning or alignment of the contact part.
  • the centering surfaces can rest on the contact part in the closed position and hold the contact part on the support surface or the centering surfaces can be arranged in the closed position at a small distance of, for example, a maximum of 2 mm or a maximum of 1 mm from the contact part, so that the Contact part can only move slightly in the direction parallel to the support surface. This can be guaranteed, for example that the contact part is aligned parallel to the crimping die or the anvil during the crimping process.
  • the centering surfaces can clamp the contact part between them in the closed position.
  • a distance between the centering surfaces in the closed position can be adapted to the respective contact part to be processed and can, for example, be a maximum of 50 mm or a maximum of 30 mm or a maximum of 20 mm or a maximum of 10 mm.
  • the retaining surfaces and the centering surfaces can be provided on clamping inserts.
  • the clamping inserts can be removed and thus exchanged. Different clamping inserts can be used for different contact parts.
  • the clamping inserts can be specifically adapted to a contact type and used for the respective contact type. Separate clamping inserts can also be provided for the retaining surfaces and the centering surfaces.
  • Tilting or twisting of an angled contact part can be prevented by support areas. This may be necessary after positioning loose contact parts in the crimping position or after separating a contact part from a contact strip.
  • the support areas can also prevent the angled contact part from slipping.
  • the support areas can be provided on support inserts.
  • the support inserts can be removed and thus exchanged. Different support inserts can be used for different contact parts.
  • the support inserts can be specifically adapted to a type of contact and used for the respective type of contact.
  • the support inserts can also be formed integrally with the clamping inserts.
  • the holding elements In the closed position, the holding elements can encompass the contact part resting on the support surface. In the closed position, the holding elements and at least a part of the support surface can form a space which tapers upwards, ie away from the support surface, for receiving the contact part. In this embodiment, the distance between the holding elements decreases towards the top.
  • the holding elements can touch one another at their upper ends or have a small distance of, for example, a maximum of 10 mm or a maximum of 5 mm or a maximum of 2 mm or a maximum of 1 mm.
  • the space can be open along the longitudinal extension direction of the contact part.
  • the support surface can have openings (perforations) which are at least partially closed by the holding elements in the open position and through which the holding elements are moved during the movement between the open position and the closed position.
  • the holding elements can be received in the receiving element in the open position.
  • the holding elements can be sunk into the support surface in the open position.
  • the support surface can be a flat surface, and the holding elements can be arranged below the support surface in the open position.
  • the holding elements for example the shovel-like lever ends of the lever arms
  • the holding elements preferably close the openings (breakthroughs) in the bearing surface (running surface) that are provided for them.
  • the clamping inserts, as well as the affected areas of the bearing surface (running surface) can be provided with slots.
  • the hold-down device according to the invention can offer more free space for specially shaped contact parts (e.g. angled F-connectors) than conventional devices.
  • the holding areas can be formed from a suitable material, for example from rubber.
  • Another aspect of the present disclosure is a system comprising a contact hold-down according to claim 1 and a contact part.
  • the contact hold-down device and the contact part can be matched to one another.
  • the holding elements and / or the movement mechanism can be designed in such a way that the holding areas clamp the contact part between them in the closed position, i.e. that there is no play between the holding areas and the contact part.
  • the crimping device can have an anvil and a crimping die for crimping contact parts.
  • Yet another aspect of the present disclosure is a crimping device having an anvil, a crimping die, and a contact hold-down.
  • the contact hold-down device can be integrated into the crimping device.
  • Fig. 1a shows a perspective view of a contact hold-down 1 according to a first embodiment.
  • a coordinate system with a z-axis, an x-axis and a y-axis is specified.
  • the coordinate system is used for explanation and does not restrict the alignment of the contact hold-down device 1.
  • the z-axis is oriented essentially vertically and parallel to the direction of gravity and the x-axis and the y-axis are oriented essentially horizontally.
  • the contact hold-down device 1 has a support element 13.
  • the support element 13 has the shape of a cuboid.
  • the support element 13 has a flat, horizontally extending support surface or running surface 10 on an upper side which is perpendicular to the z-axis.
  • a contact part 7 to be crimped can rest on the supporting surface / running surface 10 or can be displaced along the supporting surface / running surface 10.
  • the support surface / running surface 10 forms a conveying plane 11.
  • Fig. 1a three contact parts 7 are shown.
  • the contact parts 7 are aligned parallel to one another and are connected to a contact strip 9.
  • the contact parts 7 have an elongated shape with a longitudinal direction parallel to the y-axis.
  • the right and the middle contact part 7 in Fig. 1a lie on the support surface 10.
  • An anvil (not shown) and a crimping die (not shown) for deforming the contact parts 7 for crimping with cable ends can for example be provided between the support element 13 and the contact strip 9 along the y-axis.
  • the contact hold-down device 1 has two lever arms 2.
  • a first lever arm 2a of the two lever arms 2 is pivotably attached at a first end to a first side surface 16a of the support element 13, which is perpendicular to the y-axis.
  • the first lever arm 2a is pivotable about a first pivot axis 14a extending parallel to the y-axis.
  • a second lever arm 2b of the two lever arms 2 is pivotably attached at a first end to a second side surface 16b of the support element 13 opposite to the first side surface 16a.
  • the second lever arm 2b can be pivoted about a second pivot axis 14b extending parallel to the y-axis.
  • the first lever arm 2a and the second lever arm 2b are each driven by a drive 18, which can be, for example, an electric motor or a hydraulically or pneumatically operated drive, via a shaft that extends along the first or second pivot axis 14a, 14b or pivoted.
  • the two drives 18 are controlled by a common controller 19.
  • a common drive can be provided for the first and second lever arms 2a, 2b.
  • the two lever arms 2a, 2b can be pivoted synchronously and in opposite directions to one another about the pivot axes 14a, 14b.
  • the shafts with which the two lever arms 2a, 2b are pivoted can be interlocked with one another.
  • the first lever arm 2a has an elongated section 15a which extends from the first end parallel to the first side surface 16a.
  • the elongated section 15a has, for example, a length in the range from 5 cm to 50 cm.
  • a shovel-shaped first holding element 12a is provided at a second end of the first lever arm 2a opposite to the first end.
  • the first holding element 12a is provided perpendicular to the elongated section 15a at the second end of the first lever arm 2a and extends essentially upwards from the second end of the first lever arm 2a.
  • the first holding element 12a extends perpendicular to the first side surface 16a along the y-axis and, in the present embodiment, has a constant cross section along the y-axis.
  • the first holding element 12a is in relation to the crimping position at which the in Fig. 1a right contact part 7 is located, arranged along the x-axis on the opposite side of the first pivot axis 14a.
  • the elongated section 15a runs along the x-axis below the crimping position.
  • the shovel-shaped first holding element 12a is curved along a virtual circular line about the first pivot axis 14a.
  • the first side surface 16a has a recess in the region of the first lever arm 2a, in which the elongated section 15a is received and can be pivoted about the first pivot axis 14a within a certain angular range.
  • the support surface 10 has a recess or opening which extends parallel to the y-axis and in which the first holding element 12a is received.
  • An upper end of the first holding element 12a is arranged flush with the support surface 10, as shown in the open position.
  • the first holding element 12a is sunk into the recess in the support surface 10.
  • An upper end of the first holding element 12a and the support surface 10 form a flat surface in the open position.
  • the second lever arm 2b is essentially identical to the first lever arm 2a and is arranged point-symmetrically to the first lever arm 2a on the support element 13, that is, the second lever arm 2b is viewed in a plan view along the z-axis by 180 ° with respect to FIG arranged the first lever arm 2a.
  • a second holding element 12b is provided on the second lever arm 2b. In the open position, the second holding element 12b is sunk into a recess or opening in the support surface 10. An upper end of the second holding element 12b and the support surface 10 form a flat surface in the open position.
  • the contact parts 7 can be displaced along a longitudinal direction of extension of the contact strip 9, i.e. along the x-axis, on the support surface or running surface 10 and can be easily pushed over the first holding element 12a and the second holding element 12b.
  • the upper ends of the first holding element 12a and the second holding element 12b are spaced apart from one another by a distance which is greater than the width of a contact part 7 along the x-axis.
  • the upper ends of the first and the second holding element 12a, 12b are at least 10 cm or at least 5 cm or at least 2 cm or at least 1 cm apart.
  • Figure 1b shows a closed position in which the first and the second lever arm 2a, 2b are pivoted upwards about the first and the second pivot axis 14a, 14b, so that the first Holding element 12a and the second holding element 12b protrude through the openings in the support surface 10 from the support surface 10.
  • the upper ends of the first and second holding elements 12a, 12b touch one another or are spaced apart from one another which is less than the width of a contact part 7 along the x-axis.
  • the upper ends of the first and the second holding element 12a, 12b have a distance of a maximum of 10 mm or a maximum of 5 mm or a maximum of 1 mm or a maximum of 0.5 mm.
  • Fig. 2a shows a side view of the contact hold-down 1 in the open position
  • Figure 2b shows a side view of the contact hold-down 1 in the closed position.
  • the first lever arm 2a is pivoted from the open position to the closed position by a certain angle counterclockwise in the figures about the first pivot axis 14a, so that the second end of the first lever arm 2a with the first holding element 12a moves upwards will.
  • the specific angle is in the range from 10 ° to 70 ° or in the range from 15 ° to 30 °.
  • the first holding element 12a or an inner contour or inner surface of the first holding element 12a facing the second holding element 12b and the support surface 10 moves when the first lever arm 2a is pivoted along the y-axis, viewed around the first pivot axis 14a along a first circular path
  • the center point is the first pivot axis 14a.
  • the radius of the first circular path corresponds to the distance between the first holding element 12a and the first pivot axis 14a.
  • the first holding element 12a moves through the opening in the support surface 10.
  • each of the two holding elements 12a, 12b has a clamping area which is designed as a clamping insert 3.
  • the clamping insert 3 is fixedly or removably attached to the respective holding element 12a, 12b or to a corresponding receptacle on the holding element 12a, 12b.
  • the clamping area can be formed integrally with the respective holding element 12a, 12b.
  • the clamping insert 3 has a retaining surface 4 and a centering surface 5.
  • the retaining surface 4 and the centering surface 5 form a holding area 20 of the respective holding element 12a, 12b.
  • the retaining surface 4 faces the supporting surface 10 and is at an acute angle, which is smaller than 80 ° or smaller than 60 ° or smaller than 45 ° or smaller than 30 ° or smaller than 10 °, to the supporting surface 10 arranged.
  • the retaining surface 4 can also be arranged parallel to the support surface 10. In the closed position, the retaining surface 4 is inclined in a direction away from the support surface 10 in the direction of the opposing retaining element 12a, 12b.
  • the retaining surface 4 limits a movement of the contact part 7 (in Figure 1b of the right contact part 7) in the vertical direction along the z-axis away from the support surface 10.
  • the retaining surface 4 prevents the contact part 7 from being lifted off the support surface 10, and thereby prevents the contact part 7 from being due to adhesion of the contact part 7 to the crimping die after deformation of the contact part 7 by the crimping die is moved along with the crimping die.
  • the retaining surface 4 can rest on the contact part 7 in the closed position or have a small distance of a maximum of 2 mm or a maximum of 1 mm or a maximum of 0.5 mm from the top of the contact part 7.
  • a distance between the retaining surface 4 and the support surface 10 in the closed position can be, for example, a maximum of 50 mm or a maximum of 30 mm or a maximum of 20 mm or a maximum of 10 mm, depending on the contact part 7.
  • the centering surface 5 faces the contact part 7 and is arranged essentially at right angles to the support surface 10.
  • the essentially right-angled arrangement also includes deviations from an exact 90 ° angle.
  • the centering surface 5 can be arranged at an angle in the range from 70 ° to 110 ° or in the range from 80 ° to 100 ° to the support surface 10.
  • the centering surfaces 5 of the two holding elements 12a, 12b limit a movement of the contact part 7 in the horizontal direction along the x-axis, ie in a direction parallel to the support surface 10.
  • the centering surfaces 5 thus define the position in the closed position of the contact part 7 along the x-axis.
  • the centering surfaces 5 can rest on the contact part 7 in the closed position or have a small distance of a maximum of 10 mm or a maximum of 5 mm or a maximum of 1 mm or a maximum of 0.5 mm from the contact part 7.
  • the centering surfaces 5 can clamp the contact part 7 between them in the closed position.
  • a distance between the centering surfaces 5 of the two holding elements 12a, 12b in the closed position can be, for example, a maximum of 50 mm or a maximum of 30 mm or a maximum of 20 mm or a maximum of 10 mm.
  • FIGS. 3a to 3c show a modification of the contact hold-down device 1 which is suitable for use with angled contact parts 8, in particular angled F-connectors 8.
  • a support area is provided on each of the two holding elements 12a, 12b, which is designed as a support insert 6.
  • the support insert 6 is fixedly or removably attached to the respective holding element 12a, 12b or to a corresponding receptacle on the holding element 12a, 12b.
  • the support area can be formed integrally with the respective holding element 12a, 12b.
  • the cross section of the shovel-shaped holding elements 12a, 12b along the y-axis is therefore not completely constant.
  • the support insert 6 has a recess or depression. When viewed in a direction perpendicular to the blade surface of the respective blade-shaped holding element 12a, 12b, the recess is a depression in an upper edge or an upper edge of the blade surface.
  • the recess is designed to receive and hold an angled part of the contact part 8 that extends vertically along the z-direction in the closed position. As in Figure 3b As shown, the support insert 6 prevents rotation of the contact part 8 about an axis along the longitudinal extension direction of the contact part 8, ie about the y-axis, and a slipping of the contact part 8 along the y-axis or along the x-axis in the closed position .
  • clamping inserts 3 and the support inserts 6 are detachably attached to the holding elements 12a, 12b and can be exchanged for use with differently designed contact parts 7, 8.
  • the Figures 3a to 3c show a situation in which the contact hold-down device 1 is provided with clamping inserts 3 and support inserts 6 for relatively thick contact parts 8 which have a diameter in the range from 10 mm to 50 mm. Accordingly, the recess of the support insert 6 has a width of 10 mm to 50 mm along the y-axis and a depth along the blade surface (measured from the upper edge of the blade surface) of 10 mm to 50 mm.
  • the Figures 4a to 4c show a situation in which the contact hold-down device 1 is provided with clamping inserts 3 and support inserts 6 for relatively thin contact parts 8, which have a diameter in the range from 2 mm to 10 mm. Accordingly, the recess of the support insert 6 has a width of 2 mm to 10 mm along the y-axis and a depth along the blade surface (measured from the upper edge of the blade surface) of 2 mm to 10 mm.
  • FIG. 11 shows the first lever arm 2a having the configuration shown in FIGS Figures 3a to 3c is shown, used clamping inserts 3a and support inserts 6a for relatively thick contact parts 8.
  • Figure 5b shows the first lever arm 2a having the configuration shown in FIGS Figures 4a to 4c is shown, used clamping inserts 3b and support inserts 6b for relatively thin contact parts 8.
  • Figure 5c shows separately the first lever arm 2a with the shovel-shaped holding element 12a, the clamping inserts 3a, 3b and the support inserts 6a, 6b.
  • Fig. 5d shows an enlarged illustration of the clamping insert 3b for relatively thin contact parts 8 with retaining surfaces 4 and centering surfaces 5.
  • Figure 5e shows an enlarged view of the clamping insert 3a for relatively thick contact parts 8.
  • the clamping inserts 3a, 3b and the support inserts 6a, 6b can be provided correspondingly on the shovel-shaped holding element 12b of the second lever arm 2b.
  • other or further clamping and / or support inserts can be provided.
  • the clamping inserts 3 have a rib-like or lamellar configuration.
  • Each clamping insert 3 has several (in the present embodiment five) plate-shaped ribs or lamellae running perpendicular to the y-axis.
  • the clamping insert 3 has (in the present embodiment four) slots running perpendicular to the y-axis, which are formed between the ribs or lamellae.
  • the centering surface 5 is formed by end faces of the ribs or lamellae facing away from the holding element 12a, 12b on which the clamping insert 3 is provided, ie facing the opposite holding element 12a, 12b.
  • the centering surface 5 is not a continuous surface along the y-axis.
  • the centering surface 5 is interrupted by the slots.
  • the clamping surface 4 can be a continuous surface ( Figures 5a and 5e ) or can be formed by end faces of the ribs or lamellae facing away from the retaining element 12a, 12b ( Figures 5b and 5d ).
  • slots are formed in the support surface 10 in an area between the holding elements 12a, 12b.
  • the slots correspond to the ribs or lamellae of the clamping inserts 3.
  • the holding elements 12a, 12b are moved between the open and closed positions, the ribs or lamellae are moved through the slots in the support surface 10.
  • the Figures 6a and 6b show a contact hold-down 101 according to a second embodiment.
  • the contact hold-down 101 according to the second embodiment differs from the contact hold-down 1 according to the first embodiment essentially in that, instead of the lever arms 2, two linear drives 102 for moving two plate-shaped holding elements 112a, 112b, which are designed as sliding elements, instead of the shovel-shaped holding elements 12a, 12b can be used according to the first embodiment.
  • the linear drives 102 can be, for example, electrically or pneumatically or hydraulically operated linear drives.
  • the linear drives 102 move the holding elements 112a, 112b each along a direction of movement that runs perpendicular to the y-axis and intersects a support surface 110 at an angle in the range from 20 ° to 70 ° or in the range from 30 ° to 60 °.
  • the directions of movement of the holding elements 112a, 112b intersect above the support surface 110 or above a support element 113 on which the contact parts 7 rest.
  • the holding elements 112a, 112b are countersunk in the support element 113.
  • the closed position which is in Figure 6b
  • the holding elements 112a, 112b protrude from the support element 113 and hold a contact part 7.
  • the holding elements 112a, 112b are moved towards one another through corresponding openings in the support surface 110 during the movement from the open to the closed position.
  • the holding elements 112a, 112b each have a clamping area in the form of a clamping insert 103.
  • Each of the two clamping inserts 103 has an inlet surface 103a with an inlet geometry at an upper end and then a centering surface 5.
  • the clamping inserts 103 are upward, ie in the direction of movement of the holding elements 112a, 112b when moving from the open to the closed position, in the direction of the respective holding element 112a, 112b on which the clamping insert 103 is appropriate, tapered.
  • the centering surface 5 forms a holding area 20.
  • the contact part 7 is pre-centered by the inlet surface or geometry 103a.
  • the contact part 7 is held between the centering surfaces 5.
  • the contact part 7 can be held between the inlet surfaces or geometries 103a of the two holding elements 112a, 112b.
  • the contact part can be held at a transition from the run-in surfaces or geometries 103a to the centering surfaces 5.
  • the holding elements 112a, 112b can have support regions analogously to the holding elements 12a, 12b according to the first embodiment.

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Manufacturing Of Electrical Connectors (AREA)
EP20176362.0A 2020-05-25 2020-05-25 Serre-flan contact Active EP3916932B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP20176362.0A EP3916932B1 (fr) 2020-05-25 2020-05-25 Serre-flan contact

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP20176362.0A EP3916932B1 (fr) 2020-05-25 2020-05-25 Serre-flan contact

Publications (2)

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EP3916932A1 true EP3916932A1 (fr) 2021-12-01
EP3916932B1 EP3916932B1 (fr) 2022-06-15

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Family Applications (1)

Application Number Title Priority Date Filing Date
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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5353625A (en) 1992-10-23 1994-10-11 Yazaki Corporation Terminal crimping machine
US6073471A (en) 1998-07-07 2000-06-13 The Whitaker Corporation Electrical wire-crimping device
EP1994612B1 (fr) 2006-02-27 2009-06-17 Tyco Electronics Corporation Dispositif serre-flan dans un applicateur de borne
EP2073324A1 (fr) 2007-12-18 2009-06-24 Hanke Crimp-Technik GmbH Outil de sertissage
EP3242361A1 (fr) * 2016-05-04 2017-11-08 TE Connectivity Corporation Localisateur de terminal pour un dispositif de sertissage de borne

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5353625A (en) 1992-10-23 1994-10-11 Yazaki Corporation Terminal crimping machine
US6073471A (en) 1998-07-07 2000-06-13 The Whitaker Corporation Electrical wire-crimping device
EP1994612B1 (fr) 2006-02-27 2009-06-17 Tyco Electronics Corporation Dispositif serre-flan dans un applicateur de borne
EP2073324A1 (fr) 2007-12-18 2009-06-24 Hanke Crimp-Technik GmbH Outil de sertissage
EP3242361A1 (fr) * 2016-05-04 2017-11-08 TE Connectivity Corporation Localisateur de terminal pour un dispositif de sertissage de borne

Also Published As

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