EP3904007A1 - Matrice de pince à sertir et pince à sertir - Google Patents

Matrice de pince à sertir et pince à sertir Download PDF

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Publication number
EP3904007A1
EP3904007A1 EP21170759.1A EP21170759A EP3904007A1 EP 3904007 A1 EP3904007 A1 EP 3904007A1 EP 21170759 A EP21170759 A EP 21170759A EP 3904007 A1 EP3904007 A1 EP 3904007A1
Authority
EP
European Patent Office
Prior art keywords
die
stop body
die half
guide
crimping
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
EP21170759.1A
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German (de)
English (en)
Other versions
EP3904007C0 (fr
EP3904007B1 (fr
Inventor
Thomas Glockseisen
Roman Zinser
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.)
Wezag GmbH and Co KG
Original Assignee
Wezag 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 Wezag GmbH and Co KG filed Critical Wezag GmbH and Co KG
Publication of EP3904007A1 publication Critical patent/EP3904007A1/fr
Application granted granted Critical
Publication of EP3904007C0 publication Critical patent/EP3904007C0/fr
Publication of EP3904007B1 publication Critical patent/EP3904007B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
    • B25B27/14—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same
    • B25B27/146—Clip clamping hand tools
    • 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

Definitions

  • the present invention relates to a crimping tool die which is intended for use in a crimping tool.
  • the crimping pliers die has two die half units, the crimping surfaces of which delimit a die receptacle into which a workpiece can be inserted, which is then to be crimped between the crimping surfaces of the die half units.
  • the crimping pliers die is used to press a workpiece that is a wire end sleeve (with or without an insulating collar) with a cable arranged in it.
  • the invention also relates to crimping pliers with such a crimping pliers die.
  • the pamphlet EP 0 516 598 B1 discloses a crimping tool die having two die half units.
  • the die half units are each mounted on the tong jaws via pivot bolts in the bearing eyes of the pliers jaws of the crimping pliers so as to be pivotable about a pivot axis arranged vertically to a pivot plane of the pliers jaws.
  • the die half units each have a guide rod on one side of a die and a guide recess designed as a guide bore on the other side of the die half.
  • the guide rod of one die half unit is then slidably guided in the assigned guide bore of the other die half unit in the direction of the crimping axis, thus forming an anti-rotation device via which the two die half units are guided relative to one another via the crimp stroke.
  • the two die half units In a relative position of the two die half units predetermined by the anti-rotation device, the two die half units can be rotated together about an axis of rotation that runs coaxially to the crimping axis.
  • the longitudinal axis of the die holder delimited by the two die halves can then be aligned into one take place in the first rotary position in which the die holder is oriented in the longitudinal direction of the crimping pliers and runs in the pivot plane of the pliers jaws, and in a second rotary position in which the die holder is oriented vertically to the pivot plane of the pliers jaws. While a workpiece can be inserted frontally into the crimping pliers and into the die holder in the first rotary position, in the second rotary position it is possible to insert the workpiece laterally into the die holder.
  • the invention proposes a crimping pliers die with two die half units.
  • the two die half units are guided relative to one another over the crimp hub by means of a guide.
  • the die half units each have a die half that forms the crimping surface that interacts directly with the workpiece in order to apply the crimping forces to the workpiece.
  • the guide has at least one guide rod held on a die half unit. This guide rod is guided in a guide recess of the other die half unit.
  • the guide rod and the guide recess can have any cross-section as long as they ensure longitudinal guidance over the crimp stroke.
  • the guide rod and the guide recess preferably have a (partially) circular guide cross-section.
  • both guide rods are provided, which are then guided in corresponding guide recesses.
  • both guide rods can be provided on one die half unit, while both guide recesses are then arranged on the other die half unit.
  • each die half unit it is also possible for each die half unit to have a guide rod and a guide recess.
  • the die halves are solid with large crimping surfaces. These crimping surfaces according to EP 0 516 598 B1 are designed throughout. A continuous crimping surface of a die half according to EP 0 516 598 B1 is convex, while the crimping surface of the other die half according to EP 0 516 598 B1 is concave. According to the invention, however, it is proposed in a die half unit with a guide, for example accordingly EP 0 516 598 B1 to employ a different type of die halves, namely die halves each having a plurality of ribs. The ribs of the die halves then interlock with an extent of engagement that varies across the crimp stroke.
  • the crimping surfaces of the die halves are formed from the end faces of the ribs.
  • This type of dies thus does not produce a large-area continuous pressing of the workpiece between the die halves, but rather the pressing takes place in several partial areas arranged at a distance from one another in the area of the end faces of the spaced ribs of the die halves.
  • the use of such die halves has proven to be advantageous for a special type of work piece, in particular for pressing wire end sleeves with a cable.
  • Die halves with such interlocking Ribs are, for example, from a tool from the applicant with the identification “CS 10-AE 22” or from one of the publications EP 3 179 580 A1 , U.S. 4,283,933 A and U.S.
  • the die halves have a base plate from which a die extends in the direction of the other die half.
  • the guide rod is attached to the base plate.
  • the guide rod is formed from a thickened end region of at least one rib of a die half. This connection of the guide rod to the at least one rib of the die half can take place as an alternative or in addition to its connection to a base plate.
  • the formation of the guide rod by the thickened end area of the at least one rib results in a particularly compact design. It is possible that the production is simplified since the guide rod can be produced as an integral part of the at least one rib. It is also possible that this reduces the assembly effort and the number of components of the crimping pliers die. Rather, the guide rod is connected at least over part of the extension of the rib (s) in the direction of the crimping axis to a plate-shaped base body of the rib, which can result in a particularly rigid support. The guide rod is therefore not held in a freely cantilevered manner on the base plate, so that, under certain circumstances, the precision of the guide is increased and the mechanical strength thereof is increased.
  • the guide recess is formed by a guide recess area or connecting area which is arranged in the end area of at least one rib and preferably connects the end areas of two ribs of a die half.
  • the guide recess area forms an at least cylinder segment-shaped guide surface and the guide recess delimited by the guide surface, the guide recess being open at the edge in cross section, namely in the direction of the space between the two ribs is open.
  • the guide recess area then has a cylinder segment-shaped guide surface on which the guide rod is guided.
  • the cylinder segment has a cylinder segment angle of more than 180 ° (preferably more than 200 °, more than 220 °, more than 240 °, more than 260 °, more than 280 °), which can mean that by means of the cylinder segment-shaped Guide surface a support can take place in orthogonal directions in a plane transverse to the guide axis. By connecting the guide recess area to two ribs, a very rigid support can be ensured.
  • the die halves can be manufactured using any manufacturing method, for example using a casting method, an injection molding method and / or a material-removing or milling manufacturing method.
  • the die halves are designed as powder injection molded parts.
  • Powder injection molding which is also known as the PIM process (English for power injection molding) or MIM process (English for metal injection molding), is a primary molding process for the production of metallic components.
  • PIM process English for power injection molding
  • MIM process English for metal injection molding
  • any post-processing can be carried out after production in a molding or injection molding process. It has been shown that a powder injection molding process is advantageous for the production of the die halves and the complex geometry of the multiple ribs arranged parallel to one another and / or the guide.
  • At least one die half unit has a bearing part.
  • the die half unit can be mounted pivotably on an associated gripper jaw.
  • the assembly takes place with a swivel axis which is arranged vertically to a swivel plane of a gripper jaw.
  • the die half units can be aligned with one another on the tong jaws in such a way that the guide rod is arranged coaxially to the guide recess possibly on the other hand with the interlocking of the ribs is possible.
  • the bearing part can be accordingly EP 0 516 598 B1 be designed as a pivot pin, which is received in a bearing eye of a pincer jaw.
  • the bearing part has a bearing body.
  • the bearing body can have a cylinder segment-like guide surface with a guide diameter.
  • the bearing body also has an insert surface. In the area of the insertion surface, the extent of the bearing body is smaller than the guide diameter.
  • the bearing body of the bearing part is rotated so that the bearing body with the smaller extension in the area of the insert surface can be inserted into the bearing eye through the edge opening. If the bearing body is then in the bearing eye, the bearing body is rotated so that the larger guide diameter of the cylinder segment-like guide surface comes into effect, so that the bearing body can no longer exit the edge opening.
  • the edge opening of the bearing eye of the pliers jaw has an extension which is smaller than the guide diameter and larger than the extension of the bearing body in the area of the insertion surface.
  • the die half unit has a holding body which can also form the bearing part or which can also hold the bearing part.
  • the die half is mounted on the holding body via a pivot bearing.
  • the pivot bearing has an axis of rotation which is oriented parallel to the guide axis of the guide rod and / or the guide recess. The axis of rotation thus runs parallel or coaxially to the guide axis of the guide. The axis of rotation can coincide with the crimping axis of the crimping pliers.
  • the pivot bearing can be used to ensure that the die half units are rotated together relative to the tong jaws in such a way that the workpiece can be inserted into a die holder in different directions so that, for example, the workpiece can be inserted from the front or from the side.
  • a latching device or a locking device can be arranged between the holding body and the die half.
  • the latching device or locking device can then latch or lock the die half at predetermined relative angles of rotation between the holding body and the die half about the axis of rotation.
  • the latching device or locking device can an operating position of the crimping pliers die to back up. In this case, locking can be abandoned by the user applying sufficiently large rotational forces around the axis of rotation, while locking cannot be abandoned by simply applying a torque about the axis of rotation, but rather an unlocking element must also be operated manually.
  • the holding body and the die surface can have guide surfaces. These guide surfaces are oriented vertically to the axis of rotation. The holding body and the die half are guided against one another on the guide surfaces during rotation about the axis of rotation. On the other hand, the crimping force can also be supported between the holding body and the die half via the guide surfaces.
  • a guide surface has a recess. A latching or locking element is then arranged in the recess, which is acted upon by a pretensioned spring. The other guide surface then has latching or locking recesses.
  • the latching or locking element is then arranged (at least partially) in an associated latching or locking recess, with which the latching or locking is provided. In this way, latching or locking can be provided in a structurally simple but reliable manner.
  • the pivot bearing for the rotatable mounting of the holding body with respect to the die half can be designed as desired.
  • the holding body has a bearing extension to form the pivot bearing.
  • the bearing extension is oriented parallel to the guide axis of the guide rod and / or the guide recess of the die half unit.
  • the bearing extension extends through a pivot bearing bore in the die half and has an axial securing element.
  • a material area of the die half can then be caught between a base body or a base plate of the holding body and the axial securing element, which prevents the bearing extension from axially exiting the pivot bearing bore of the die half.
  • the die half can have a lateral slot between the end face facing the holding body and the crimping surfaces.
  • the end region of the bearing extension can then have an annular groove.
  • the end annular groove of the bearing extension is accessible via the lateral slot and an axial locking element designed as a locking ring can then be inserted through the lateral slot and snap onto the annular groove.
  • an insertion stop is provided on the crimping pliers or the crimping pliers die, via which an insertion aid for the workpiece is provided in the die receptacle.
  • An insertion stop is preferably used to specify how far the workpiece can be inserted into the die holder in the direction of the longitudinal axis of the workpiece in the direction of the longitudinal axis of the die holder.
  • the insertion stop is provided on the die half unit, it also being possible for the insertion stop to be arranged on the die half or to be formed integrally with it.
  • the invention comprises embodiments in which only one insertion stop is arranged in a fixed position relative to the die half unit or die half. It is also possible for the insertion stop to be adjustable.
  • a stop body in particular a stop disk, is provided for a special configuration of the crimping pliers die. If reference is made in the following to a stop disk, it can also be any other rotatable stop body (and vice versa).
  • the stop body is mounted on a die half via a stop body pivot bearing so as to be rotatable about a stop body pivot axis.
  • the stop body axis of rotation is oriented parallel to a longitudinal or receiving axis of the die holder.
  • the stop body has several insertion stops.
  • insertion stops are adapted for different workpieces, for example different sizes and axial lengths of ferrules.
  • the different insertion stops can specify different insertion depths for the depth of the insertion of the workpiece into the die holder.
  • the insertion stops are distributed (evenly or unevenly) over the circumference and the stop body axis of rotation. By rotating the stop body around the stop body axis of rotation, the different insertion stops can then be brought into effect, so that the user can adapt the crimping tool die, namely by adjusting the insertion depth, to different workpieces, in particular different types or sizes of a End sleeve, can make.
  • a stop body latching device or stop body locking device is provided for an embodiment of the crimping pliers die.
  • the stop body latching device or stop body locking device latches or locks the stop body in predetermined stop body rotation angles of the stop body with respect to the die half, with which the operating position of the stop body can be secured.
  • the stop body and the die half each have stop body guide surfaces.
  • the stop body guide surfaces are oriented vertically to the stop body axis of rotation.
  • the stop body and the die half are guided relative to one another during the rotation about the stop body axis of rotation.
  • a stop body guide surface has a recess. In this recess a spring-loaded stop body latching element or a stop body locking element is arranged.
  • the other stop body guide surface has several stop body latching recesses or stop body locking recesses.
  • the stop body latching element or stop body locking element is at least partially arranged in the predetermined relative stop body rotation angles in which an insertion stop assigned to the stop body rotation angles is arranged at the correct location with respect to the die holder. In this way, an operating position of the stop body predetermined by the user can be secured.
  • the die half have a stop body bearing extension.
  • This stop body bearing extension extends through a stop body pivot bearing bore of the stop body.
  • the stop body bearing extension On the side of the stop body facing away from the die half, the stop body bearing extension has an axial securing element which can be a securing ring received in an annular groove of the stop body bearing extension.
  • the stop body can be axially caught between a base body of the die half and the axial securing element, thus providing a safeguard against the stop body bearing extension from emerging from the stop body.
  • the die half units are designed differently in the crimping pliers die. On the one hand, the differences can relate to the die contours and the design of the crimping surfaces. It is also entirely possible, however, for the guidance or other components or design criteria of the die half units to differ from one another. To name only one example that does not limit the invention, one die half unit can have the two guide rods, while this die half unit does not form any guide recesses, the other die half unit then only being able to have guide recesses.
  • the two die half units, the two bearing parts and / or the two die halves are designed identically, which means that the number of components is reduced, manufacturing costs can be reduced, greater interchangeability can be ensured and stockpiling costs can also be reduced.
  • a further solution to the problem on which the invention is based is provided by crimping pliers.
  • die half units of a crimping pliers die as described above, are held on the pliers jaws of the crimping pliers.
  • At least one die half unit is supported in the crimping pliers via a force-displacement compensation element.
  • a force-displacement compensation element specifically provides elasticity on the path of the actuating forces applied by the user to the hand levers of the crimping pliers to the pliers jaws and to the die half units. This elasticity can be used to enlarge the range of possible geometries of the workpiece that can be crimped by means of the crimping pliers and the same die half units.
  • the crimping pliers are basically designed for crimping a workpiece with a relatively small geometry, crimping a workpiece with a larger geometry using the crimping pliers and the same die half units means that the required crimping forces have already been generated before the hand lever is fully closed . Without the force-displacement compensation element, the closed position of the hand lever cannot be reached. However, if the crimping tool is also equipped with a self-locking mechanism, it is essential that the crimping tool is in the closed position in order to open it again.
  • force-displacement compensation elements such as those from the publications EP 3 012 923 B1 or EP 0 732 779 B1 , EP 0 158 611 B1 , DE 31 09 289 C2 , DE 20 2012 102 561 U1 , DE 20 2009 005 811 U1 , DE 10 2013 100 801 A1 and EP 2 905 848 B1 are known.
  • Fig. 1 shows a three-dimensional exploded view of a crimping pliers die 1.
  • the crimping pliers die 1 has an upper die half unit 2 and a lower die half unit 3, which are of identical design, so that for the following description, reference is primarily made to the die half unit 2, in which case the same also applies to the other die half unit 3.
  • the die half unit 2 has a holding body 4 and a die half 5.
  • the holding body has a bearing part 6 with a bearing body 7 and with stops 8, 9, which are designed here as webs 10, 11 arranged on both sides of the bearing body 7.
  • the bearing part 6 with the bearing body 7 and the webs 10, 11 is arranged on the side of the holding body 4 facing away from the die half 5.
  • the holding body 4 On the side facing the die half 5, the holding body 4 forms a guide surface 12. At least one recess 13, 14 extends from the guide surface 12, here in the form of a blind hole 15, 16.
  • a spring 17 is supported on the bottom of the recess 14 and a latching element 18, here a latching ball 19, is supported via the spring 17.
  • the spring 17 with the latching element 18 can also be arranged in the other recess 13 or a spring with an associated latching element can be assigned in both recesses 13, 14.
  • the bearing body 7 has a cylinder segment-like guide surface 20 and an insertion surface 21, which can be a flattened area 22, for example.
  • the die half 5 has a guide surface 23 on the side facing the holding body 4.
  • the guide surface 23 of the die half 5 rests on the guide surface 12 of the holding body 4, with the guide surfaces 12, 23 also supporting the crimping force between the die half 5 and the holding body 4 takes place.
  • the guide surfaces 12, 23 ensure guidance during the relative rotation of the die half 5 with respect to the holding body 4, which will be explained below, and the guide surfaces 12, 23 ensure the desired alignment of the die half 5 with respect to the holding body 4 regardless of this relative rotation (preferably in the direction of the crimping axis 105).
  • Latching recesses 24a, 24b, ... extend from the guide surface 23 of the die half 5.
  • the locking recesses 24 are designed as blind bores or through bores in a base plate 25 of the die half 5.
  • the locking element 18 can be pressed by the spring 17 out of the holding body 4 into the locking recess 24 of the die half 5 and (at least partially) enter the locking recess 24, whereby the relative angle of rotation between Die half 5 and holding body 4 is secured.
  • a bearing extension 27 which is designed here as a journal and in the end region facing away from the base plate 26 has an annular groove 29.
  • the bearing extension 27 is received in a pivot bearing bore 30 of the die half 5.
  • the bearing extension 27 extends as far as a lateral slot 31 of the die half 5.
  • the annular groove 29 of the bearing extension 27 is accessible from the outside through the slot 31, so that it is possible to connect an axial securing element 32, here a securing ring 33, through the lateral slot 31 to the bearing extension 27 by snapping the securing ring 33 into the annular groove 29 for the design of the securing element 32 as a securing ring 33. In this way, the bearing extension 27 of the holding body 4 is secured against re-emergence from the die half 5.
  • the mounting of the bearing extension 27 of the holding body 4 in the rotary bearing bore 30 forms a rotary bearing 34.
  • the rotary bearing 34 enables a relative rotation of the die half 5 with respect to the holding body 4 about an axis of rotation 35 which is oriented parallel or coaxially to the crimping axis 105.
  • securing can take place through the entry of the latching element 19 into one of the latching recesses 24a, 24b, ..., whereby a latching device 36 is formed.
  • the die half 5 has several plate-shaped ribs 37a, 37b, ... which are arranged in parallel at the same distance from one another.
  • the ribs 37 extend vertically to the base plate 25 of the die half 5.
  • the ribs 37 extend parallel to the axis of rotation 5 and the crimping axis 105
  • the distance between the ribs 37a, 37b, ... is slightly greater than the thickness of the ribs 37a, 37b, ...
  • the ribs 37a, 37b, ... all have the same thickness.
  • the ribs 37 of the die halves 5 of the die half units 2, 3 preferably rest on one another as closely as possible, but with little friction, so that a transition fit or clearance fit can be present here.
  • a relative movement of the ribs 37 is thus possible in the direction of the crimping axis 105 and the axis of rotation 35. In a direction vertical to the plane of extent of the ribs 37, there is at most a small amount of play for a relative movement of the holding bodies 4 of the die half units 2, 3.
  • the ribs 37 are basically designed according to a right-angled triangle.
  • the legs delimiting the right angle of the triangle are alternately connected to the base plate 25 of the die half 5, with the result that crimping surfaces 39, 40 of adjacent ribs 37 formed by the ribs 37 form a type of V or a right angle.
  • the crimping surfaces 39, 40 of the two die halves 5 of the die half units 2, 3 delimit the in Fig. 2 Obvious square, rectangular or diamond-shaped cross-sectional contour of the die holder 38.
  • the size of the die holder 38 can be reduced via the crimp stroke by relative movement of the die half units 2, 3 in the direction of the crimp axis 105, but a square, rectangular or diamond-shaped geometry is still maintained.
  • the dies (except for the side with the crimping surfaces 39, 40) for forming the die receptacle 38 have a fundamentally cuboid external geometry, this being open in the area of the spaces between the ribs 37.
  • a (preferably central) rib 37 extends beyond the cuboid external geometry with a strip-shaped or plate-shaped extension section 41 and an end-side thickening 42.
  • the thickening 42 forms a guide rod 43 Rib 37 is connected to rib 37 in the direction of crimping axis 105.
  • the extension section 41 and the thickening 42 have a constant cross section in the direction of the crimping axis 105, which is formed in the area of the extension section 41 by two guide surfaces arranged parallel to one another. In the area of the thickening 42, the cross-section is partially circular, so that the guide rod 43 forms a cylinder segment-like guide surface 44.
  • the guide recess area 45 has two plate or strip-shaped extension sections 46, 47 as well as a guide recess section 48.
  • the extension sections 46, 47 form guide surfaces arranged parallel to one another, while the guide recess section has a cylinder segment-shaped guide surface on the inside 49 trains.
  • the guide surface 49 forms a guide recess 50 or (open-edged) guide bore.
  • the guide recess area 45 extends over the entire extent of the associated ribs 37 in the direction of the crimping axis 105 and has a constant cross section over the entire extent.
  • At least one die half 5 of the crimping pliers die 1 can have a stop body 52, which is designed here as a stop disk.
  • the stop body 52 is rotatably mounted on a base body or a rib 37 of the die half 5 via a stop body pivot bearing 53, the stop body pivot bearing 53 having a stop body rotation axis 54 which is oriented vertically to the main plane of extent of the ribs 37.
  • the stop body pivot bearing 53 is formed with a stop body bearing extension 55 which extends from the base body or the rib 37 of the die half 5 and has an end-side stop body annular groove 56.
  • the stop body 52 has a stop body pivot bearing bore 57.
  • the stop body bearing extension 55 of the die half 5 extends through the stop body pivot bearing bore 57 of the stop body 52
  • the stop body 52 is axially secured to the die half 5.
  • the stop body 52 is caught axially between the stop body securing element 58 and the base body or the rib 37 of the die half 5.
  • the stop body 52 has several insertion stops 60a, 60b distributed over the circumference around the stop body rotation axis 54, which can be brought into an operating position at different relative angles of rotation of the stop body 52 with respect to the die half 5 around the stop body rotation axis 54 each specify an insertion position for inserting a workpiece into the die holder 38.
  • the insertion stops 60a, 60b can have different through-holes as shown, which for example can be conical on the side facing away from the die half 5 or can also have an elongated cross-section deviating from a circular cross-section with beveled guide surfaces.
  • the individual insertion stops 60 have different stop positions with respect to the stop body rotation axis 54, the different stop positions leading to a wire end sleeve being inserted into the die receptacle 38 at different distances for the different insertion stops 60 in their operating positions.
  • the different insertion positions can then ensure, for example, that an inner end region of a wire end sleeve is located at a predetermined point on the die receptacle 38, in particular in a predetermined position relative to the ribs 37.
  • the crimping pliers die 1 has a stop body latching device 61 for the illustrated embodiment.
  • the die half 5 has a recess 62 at the bottom of which is a spring 63 and a stop body latching element 64 via the spring 63, here in the form of Locking ball 65 is supported.
  • the stop body 52 On the side facing the die half 5, the stop body 52 has several stop body latching recesses 66 distributed over the circumference, into which the stop body latching element 64 can latch in the different operating positions of the insertion stops 60.
  • a crimping pliers 67 (without front fixed pliers part plate) is shown, in which the die half units 2, 3 of the crimping pliers die 1 are mounted on pliers jaws 68, 69.
  • Fig. 5 a detail IV of the connection area of the crimping pliers die 1 with the pliers jaws 68, 69.
  • the pliers jaws 68, 69 each form a bearing eye 70 which, with the bearing body 7 of the die half units 2, 3, forms a pivot bearing 71 with a pivot axis 72 that extends vertically to the plane of the drawing according to Fig. 4 and 5 and is oriented vertically to the pivot plane of the jaws 68, 69.
  • the bearing eye 70 has a bearing bore 73 with an edge opening 74.
  • the bearing bore 73 is designed in the shape of a cylinder segment with a segment angle that is greater than 180 °, for example in Range from 190 ° to 240 °.
  • the lateral boundaries 75, 76 of the edge opening 74 are therefore at a distance that is smaller than a guide diameter of the bearing bore 73.
  • the bearing body 7 can be pivoted vertically to the pivot plane of the tong jaws 68, 69 in such a way that the insertion surface 21 is arranged in the interior of the bearing eye 70.
  • the larger guide diameter of the cylinder segment-like guide surface 20 of the bearing body 7 prevents the bearing body 7 from escaping again from the bearing eye 70 for this angle of rotation and adjacent angles of rotation passed through during the crimp stroke an exit from the same is possible, selected so that this angle of rotation for assembled crimping pliers 67 with the crimping pliers die 1 held thereon is never reached, but this angle of rotation is only possible for at least partially dismantled crimping pliers 67.
  • Fig. 6 shows a possible embodiment of a crimping pliers 67, in which a crimping pliers die 1 can be used, in an exploded view.
  • the crimping pliers have a fixed pliers part 67.
  • the fixed pliers part 67 forms a fixed hand lever 68.
  • the fixed tong part 67 has a front and a rear fixed tong part plate 79.
  • An elastic tong jaw 81 is pivotably supported on the fixed tong part 77 via a pivot pin 80, preferably in the area of the hand lever 78.
  • the elastic tong jaw 81 is pivotably mounted on the fixed tong part 77 via a further pivot pin 82.
  • the pivot pin 82 can alternatively be arranged in the area of a first longitudinal extension 83 or a second longitudinal extension 84 of the elastic pincer jaw 81.
  • the first longitudinal extension can, for example, correspond approximately to half the longitudinal extension of the elastic pincer jaw 81, while the second longitudinal extension 84 can be arranged, for example, at a distance of 1/3 to 1/4 of the elastic pincer jaw 81 from the pivot pin 80.
  • the elastic pincer jaw 81 thus has a freely protruding pincer jaw section 85, in the free end region of which the bearing eye 70 is arranged.
  • the elasticity, in particular the rigidity of the material and / or the cross section and the geometrical moment of inertia of the elastic pincer jaw 81 are / is such selected so that with sufficiently large crimping forces an elastic bending or evasive movement of the elastic pliers jaw 81 and with this of the bearing eye 70 can take place. In this way, a force-displacement compensation element 86 is provided.
  • a movable hand lever 87 is articulated in one end area via a pivot bearing 88 with a pivot pin 89 on a movable pliers jaw 90.
  • the movable tong jaw 90 is also pivotably mounted on the fixed tong part 77 via a pivot bearing 91 with a pivot pin 92.
  • the movable hand lever 87 is also connected to a pressure lever 95 via a pivot bearing 93 with a pivot pin 94.
  • the pressure lever 95 is articulated in one end area via a pivot bearing 96 with a pivot pin 97 on the fixed pliers part 77.
  • An opening spring 104 acts between the movable pincer jaw 90 and the elastic pincer jaw 81.
  • the movable hand lever 87, the pressure lever 95 and the articulation of the movable hand lever 87 on the movable pincer jaw 90 form a toggle lever drive 98.
  • a toggle joint 99 of the toggle lever drive 98 is from the pivot bearing 93 is formed, while a first toggle lever is formed by the pressure lever 95 in the section between the pivot bearings 93, 96 and a second toggle lever is formed by the movable hand lever 87 in the section between the pivot bearings 88, 93.
  • the movable pincer jaw 90 and the elastic pincer jaw 81 each form a bearing eye 70 in the end regions in the area of a pincer jaw.
  • the bearing bodies 7 of the die half units 2, 3 of the crimping pliers die 1 are then mounted in the bearing eyes 70.
  • crimping pliers 87 are designed as a plate construction, whereby individual plates can be constructed multiple times.
  • the crimping pliers 67 also has a compulsory lock 100 for the illustrated embodiment.
  • the compulsory lock 100 prevents the crimping stroke from being possible even with several partial crimping steps, with the crimping pliers 67 being prevented from opening by the automatic locking device 100 after the respective partial crimping steps. Rather, the automatic locking mechanism 100 only enables the crimping pliers 67 to be opened when the crimping stroke and thus all partial crimping stages have been completed in full.
  • the automatic locking mechanism 100 has an external toothing 101 of the pressure lever 95, a pawl 102 and a pawl spring 103.
  • Fig. 8 shows a crimping pliers 67 with the crimping pliers die 1 held thereon in an open position
  • Fig. 9 shows the crimping pliers 67 in a closed position. It can be seen that in the open position the guide rods 43 of the die half units 2, 3 are partially arranged outside the guide recesses 50 of the die half units 2, 3 and a large cross section of the die holder 38 results, while in FIG Fig. 9 the guide rods 43 have further or completely entered the guide recesses 50 and a smaller cross section of the die holder 38 results.
  • a connecting axis of the axes of rotation 72 of the two die half units 2, 3 forms a crimping axis 105, in the direction of which a crimping force is generated which is applied via the crimping surfaces 39, 40 to the outer surface of the workpiece, which is arranged in the die holder 38.
  • the configuration of the guide 51 can be used for any configurations of the die halves 5, in particular also for die halves 5 that are not embodied as rib dies with ribs 37.
  • the thickening 42 which forms the guide rods 43, is formed from the lateral end region of a single rib 37. It is also possible within the scope of the invention for the thickening 42 to be formed jointly by the lateral end regions of two immediately adjacent or also spaced-apart ribs 37 or even more ribs 37.
  • the guide recess 50 is formed by the lateral end regions of two adjacent ribs 37. It is also possible within the scope of the invention for the guide recess 50 to be formed only by a single rib 37, the lateral end region of which then encompasses the guide rod 43 from one side, or for the guide recess 50 to be formed by the end regions of two not immediately adjacent ribs 37 (or is even formed by more than two ribs 37).
  • the pivot bearing 34 which enables the joint rotation of the die halves 5 about the pivot axis 35, is an integral part of the crimping pliers die 1 according to the invention the crimping pliers are hinged, which takes place for the illustrated embodiment with an additional degree of pivoting freedom.
  • the invention also includes an embodiment of a Crimping pliers die with two die half units 5, the crimping pliers die 1 then not forming the complete pivot bearing 34, but only a pivot bearing element 106 of the pivot bearing 34.
  • the pivot bearing element 106 can be, for example, a bearing eye such as the pivot bearing bore 30 (or a journal) act.

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing Of Electrical Connectors (AREA)
  • Gripping Jigs, Holding Jigs, And Positioning Jigs (AREA)
  • Hand Tools For Fitting Together And Separating, Or Other Hand Tools (AREA)
  • Forging (AREA)
EP21170759.1A 2020-04-28 2021-04-27 Matrice de pince à sertir et pince à sertir Active EP3904007B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102020111522 2020-04-28

Publications (3)

Publication Number Publication Date
EP3904007A1 true EP3904007A1 (fr) 2021-11-03
EP3904007C0 EP3904007C0 (fr) 2023-06-07
EP3904007B1 EP3904007B1 (fr) 2023-06-07

Family

ID=75728603

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21170759.1A Active EP3904007B1 (fr) 2020-04-28 2021-04-27 Matrice de pince à sertir et pince à sertir

Country Status (5)

Country Link
US (1) US11631957B2 (fr)
EP (1) EP3904007B1 (fr)
JP (1) JP2021171916A (fr)
CN (1) CN113571989A (fr)
TW (1) TW202143591A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202023101054U1 (de) 2023-03-06 2023-07-14 Gustav Klauke Gmbh Presswerkzeug mit einem Paar von Werkzeugteilen zum Vercrimpen eines Presslings sowie Paar von Werkzeugteilen für ein Presswerkzeug

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102018101159A1 (de) * 2017-12-01 2019-06-06 Rennsteig Werkzeuge Gmbh Pressbacken, sowie Presszange mit zwei Zangenbacken
EP4007087B1 (fr) * 2019-11-11 2024-02-07 WEZAG GmbH & Co. KG Pince à sertir

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US4283933A (en) 1977-11-18 1981-08-18 Pressmaster A.B. Gripping or pressing tool
DE3109289C2 (fr) 1980-03-19 1987-08-06 C.A. Weidmueller Gmbh & Co, 4930 Detmold, De
EP0158611B1 (fr) 1984-02-27 1990-07-04 Pressmaster Tool Ab Outil de sertissage
EP0516598B1 (fr) 1991-05-27 1994-11-09 Weidmüller Interface GmbH & Co. Pince avec introduction avant et côté facultative
EP0732779B1 (fr) 1995-03-02 1998-09-30 Rennsteig Werkzeuge GmbH Pince pour comprimer des embouts
EP0888850A2 (fr) * 1997-07-04 1999-01-07 Weidmüller Interface GmbH & Co. Pince
US6151950A (en) 1998-04-24 2000-11-28 Rennsteig Werkzeuge Gmbh Hand pressing tool for crimping lead end sleeves
DE202009005811U1 (de) 2009-04-18 2010-09-16 Weidmüller Interface GmbH & Co. KG Crimpwerkzeug
US20120000326A1 (en) * 2010-06-30 2012-01-05 Swanstrom Tools Usa Parallel action pliers
DE202012102561U1 (de) 2012-07-11 2013-10-14 Weidmüller Interface GmbH & Co. KG Crimpwerkzeug für Aderendhülsen
DE102013100801A1 (de) 2013-01-28 2014-07-31 Rennsteig Werkzeuge Gmbh Crimpzange
EP2905848B1 (fr) 2014-02-06 2016-09-14 Wezag GmbH Werkzeugfabrik Pince de pression
EP3179580A1 (fr) 2015-12-11 2017-06-14 Hanlong Industrial Co., Ltd. Pince à sertir
EP3012923B1 (fr) 2014-10-20 2017-11-29 Wezag GmbH Werkzeugfabrik Pince de pression
WO2019105703A1 (fr) * 2017-12-01 2019-06-06 Rennsteig Werkzeuge Gmbh Mâchoires de sertissage ainsi que pince de sertissage avec deux mâchoires de pince

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US7886638B2 (en) * 2005-12-22 2011-02-15 Wiha Werkzeuge Gmbh Pliers
EP3300187B1 (fr) * 2016-09-22 2021-03-24 Wezag GmbH Werkzeugfabrik Positionneur d'outil de presse et outil de presse
DE202016105959U1 (de) 2016-10-24 2018-01-25 Wezag Gmbh Werkzeugfabrik Crimpwerkzeug-Positionierer, Crimpwerkzeugkopf und Crimpwerkzeug
DE102017128584A1 (de) 2017-12-01 2019-06-06 Rennsteig Werkzeuge Gmbh Presszange

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4283933A (en) 1977-11-18 1981-08-18 Pressmaster A.B. Gripping or pressing tool
DE3109289C2 (fr) 1980-03-19 1987-08-06 C.A. Weidmueller Gmbh & Co, 4930 Detmold, De
EP0158611B1 (fr) 1984-02-27 1990-07-04 Pressmaster Tool Ab Outil de sertissage
EP0516598B1 (fr) 1991-05-27 1994-11-09 Weidmüller Interface GmbH & Co. Pince avec introduction avant et côté facultative
EP0732779B1 (fr) 1995-03-02 1998-09-30 Rennsteig Werkzeuge GmbH Pince pour comprimer des embouts
EP0888850A2 (fr) * 1997-07-04 1999-01-07 Weidmüller Interface GmbH & Co. Pince
US6151950A (en) 1998-04-24 2000-11-28 Rennsteig Werkzeuge Gmbh Hand pressing tool for crimping lead end sleeves
DE202009005811U1 (de) 2009-04-18 2010-09-16 Weidmüller Interface GmbH & Co. KG Crimpwerkzeug
US20120000326A1 (en) * 2010-06-30 2012-01-05 Swanstrom Tools Usa Parallel action pliers
DE202012102561U1 (de) 2012-07-11 2013-10-14 Weidmüller Interface GmbH & Co. KG Crimpwerkzeug für Aderendhülsen
DE102013100801A1 (de) 2013-01-28 2014-07-31 Rennsteig Werkzeuge Gmbh Crimpzange
EP2905848B1 (fr) 2014-02-06 2016-09-14 Wezag GmbH Werkzeugfabrik Pince de pression
EP3012923B1 (fr) 2014-10-20 2017-11-29 Wezag GmbH Werkzeugfabrik Pince de pression
EP3179580A1 (fr) 2015-12-11 2017-06-14 Hanlong Industrial Co., Ltd. Pince à sertir
WO2019105703A1 (fr) * 2017-12-01 2019-06-06 Rennsteig Werkzeuge Gmbh Mâchoires de sertissage ainsi que pince de sertissage avec deux mâchoires de pince

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202023101054U1 (de) 2023-03-06 2023-07-14 Gustav Klauke Gmbh Presswerkzeug mit einem Paar von Werkzeugteilen zum Vercrimpen eines Presslings sowie Paar von Werkzeugteilen für ein Presswerkzeug

Also Published As

Publication number Publication date
EP3904007C0 (fr) 2023-06-07
US20210336399A1 (en) 2021-10-28
JP2021171916A (ja) 2021-11-01
EP3904007B1 (fr) 2023-06-07
TW202143591A (zh) 2021-11-16
CN113571989A (zh) 2021-10-29
US11631957B2 (en) 2023-04-18

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