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EP3553900B1 - Mâchoire pivotante de pince du type à plaques et pince de sertissage pourvue de mâchoire pivotante de pince - Google Patents

Mâchoire pivotante de pince du type à plaques et pince de sertissage pourvue de mâchoire pivotante de pince Download PDF

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Publication number
EP3553900B1
EP3553900B1 EP18166739.5A EP18166739A EP3553900B1 EP 3553900 B1 EP3553900 B1 EP 3553900B1 EP 18166739 A EP18166739 A EP 18166739A EP 3553900 B1 EP3553900 B1 EP 3553900B1
Authority
EP
European Patent Office
Prior art keywords
pliers
jaw
sheet
pliers jaw
leg
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
EP18166739.5A
Other languages
German (de)
English (en)
Other versions
EP3553900A1 (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 Werkzeugfabrik
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 Werkzeugfabrik filed Critical Wezag GmbH Werkzeugfabrik
Priority to EP18166739.5A priority Critical patent/EP3553900B1/fr
Priority to JP2019072727A priority patent/JP7290984B2/ja
Priority to US16/377,551 priority patent/US11331777B2/en
Priority to TW108112319A priority patent/TWI793300B/zh
Priority to CN201910287577.8A priority patent/CN110364903B/zh
Publication of EP3553900A1 publication Critical patent/EP3553900A1/fr
Application granted granted Critical
Publication of EP3553900B1 publication Critical patent/EP3553900B1/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
    • 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
    • B25B7/00—Pliers; Other hand-held gripping tools with jaws on pivoted limbs; Details applicable generally to pivoted-limb hand tools
    • B25B7/02—Jaws
    • B25B7/04—Jaws adjustable

Definitions

  • the publication DE 198 02 287 C1 discloses crimping pliers having fixed pliers.
  • a fixed hand lever is connected in one piece to a fixed pliers jaw.
  • a pliers pivot jaw is pivotally mounted on the fixed pliers part in a scissor-like manner.
  • the pliers swivel jaw has a support plate and two pliers jaw plates.
  • the pliers jaw plates are arranged with an overlap on both sides of the support plate.
  • the pliers jaw plates are held in the area of the overlaps by two bolts on the support plate.
  • the support plate protrudes from the side facing away from the pliers head Overlaps out. In the projecting end area, the support plate is pivotally connected to a movable hand lever.
  • the movable hand lever is pivotally supported on the fixed hand lever via a pressure lever to form a toggle lever drive.
  • the pliers jaw plates protrude from the overlaps.
  • a receiving space of a receptacle for a die insert is formed between the pliers jaw plates.
  • the die insert has a die plate and two support elements.
  • the die plate forms a flange arranged in the receiving space of the receptacle and a section protruding in the direction of the fixed pliers jaw from the pliers jaw plates.
  • the outer end face of the protruding section of the die plate forms several dies.
  • the die plate has holes in the transition area between the flange and the projecting section.
  • the bores are spaced apart from one another in a support plane.
  • the support plane is oriented transversely to the crimping force acting between the dies.
  • the support elements designed as cross bolts are fastened in the bores or received with a press fit.
  • the cross bolts protrude from the die plate on both sides.
  • the pliers jaw plates have open-edged recesses on the side facing the fixed pliers jaw.
  • the recesses can be semi-cylindrical or have a polygonal, half-open cross section. If the die insert is inserted into the receptacle formed by the pliers jaw plates, the crossbeams are accommodated in the recesses that are open at the edge and fit securely.
  • both the pliers jaw plates and the die insert can have a through hole or a threaded hole, via which the die insert can be fastened to the pliers jaw plates with a fastening screw or a bolt.
  • the bolts for fastening the pliers jaw plates to the support plate are arranged on a connecting axis, which is arranged approximately parallel to the longitudinal extension of the movable hand lever.
  • the connection axis is oriented at an acute angle of approx. 20 ° to the support plane.
  • the main direction of extension of the overlaps of the support plate and the pliers jaw plates is oriented parallel to the hand levers and / or at the aforementioned acute angle to the support plane.
  • the publication DE 20 2006 012 869 U1 discloses a crimping pliers with a fixed pliers part, which integrally forms a fixed hand lever and a fixed pliers jaw.
  • a movable pliers swivel jaw is constructed in plate construction and is pivotably articulated in a swivel bearing on the fixed pliers part.
  • the pliers swivel jaw has a support plate and a pliers jaw plate attached to it, which forms a receptacle for a die insert.
  • the movable hand lever is articulated on the support plate via a swivel bearing, the movable hand lever being additionally articulated on the fixed hand lever via a pressure lever.
  • the pliers jaw plate is approximately triangular, the receptacle for the die insert being formed in the area of one side of the triangle, a side of the triangle adjacent to this side prescribing the outer contour of the pliers pivoting jaw in the area of the pliers head and the fastening bolts for fastening the support plate in the area of the third side are provided on the pliers jaw plate.
  • a connecting axis of the longitudinal axes of the fastening bolts is oriented parallel to this third side.
  • the first side of the triangle for the formation of the receptacle for the die insert and the connecting axis form an angle of approximately 120 °.
  • the publication DE 20 2013 102 833 U1 discloses the use of a corresponding pliers swivel jaw for a crimping tool that is powered by external energy, here electro-hydraulically.
  • the invention proposes a pliers swivel jaw, which is made in plate construction. Sheets with the required thicknesses and mechanical properties can be obtained inexpensively as semi-finished products. The plates can be brought into the required dimensions and geometries using inexpensive known manufacturing processes.
  • the pliers swivel jaw according to the invention is used in a manually operated crimping tool, as described at the beginning.
  • the tong swivel jaw has a support plate and (at least) one tong jaw plate.
  • the pliers jaw plate can immediately form a receptacle for a die insert.
  • the pliers jaw plate carries such a receptacle, with which the receptacle can also be held interchangeably on the pliers jaw plate.
  • the pliers jaw plate specifies a support plane of the receptacle for supporting a crimping force acting on the die insert.
  • the support plane is preferably oriented vertically to the crimping force or at most forms an acute angle of less than 30 °, less than 20 ° or less than 15 ° or less than 10 ° or even less than 5 ° with respect to the plane which is oriented vertically to the crimping force .
  • the pliers jaw plate is arranged with an overlap on one side of the support plate, the pliers jaw plate preferably abutting directly on the support plate with the overlap. In the area of the overlap, the pliers jaw plate is held on the support plate by (exactly) two bolts.
  • the pliers jaw plate and the support plate can have aligned bores. The bolts can be received in the aligned holes. It is possible that the pliers jaw plate is held on the support plate by means of a screw bolt.
  • the pliers jaw plate can be held on the support plate by means of a pin-like or cylindrical bolt, which has a press fit or a transition fit in the bores of the pliers jaw plate and the support plate is arranged, can have a thickening or a retaining ring received in a groove on one side and can have a retaining ring received in a groove on the other side.
  • the pliers jaw plate and the support plate can then be caught between the projection or the circlips and the circlip.
  • an angle between a connecting axis of the longitudinal axes of the bolts and the support plane in a pliers head plane is 90 ° ⁇ 30 ° (preferably ⁇ 20 °, ⁇ 15 °, ⁇ 10 ° or ⁇ 5 °).
  • the invention leaves the path previously followed according to the prior art in that the connecting axis of the longitudinal axes of the bolts must be arranged as parallel as possible to the support plane.
  • the pincer swivel jaw acts in the manner of a straight-line lever with regard to the introduction of the crimping force and the pin forces of the pins oriented parallel to the crimping force, by means of which the pincer jaw plate is held on the support plate should be formed, at one end the crimping force acts, at the other end a bolt force acts and finally the other bolt force acts approximately in the middle.
  • the person skilled in the art has assumed good force absorption by the bolts and thus high strength.
  • the force ratios are not (substantially) worse or can even be improved if the angle according to the invention of approximately 90 ° is chosen between the connecting axis of the longitudinal axes of the bolts and the support plane.
  • the introduction points of the crimping force and the two bolt forces are on the corners of a square in view of the selected angle between the connecting axis of the longitudinal axes of the bolts and the support plane, the maximum bolt force acting on the bolts as a result of the crimping force is only half is as large as this when the crimping force is introduced in one end region of a straight-line lever which is supported in the middle and in the other end region by the bolts.
  • the configuration according to the invention thus leads to a reduction in the mechanical stress on the components involved.
  • the pliers jaw plate is L-shaped.
  • the two legs of the L are formed by a fastening leg and a jaw leg.
  • the mounting leg is preferably used to attach the pliers jaw plate to the support plate.
  • the pliers jaw leg preferably serves the actual formation of the pliers jaw plate and the support or formation of the receptacle for the die insert.
  • a bolt extends through the transition area in which the transition from the fastening leg to the pliers jaw leg takes place (that is to say in the corner area of the L).
  • a bolt can extend through the free end region of the fastening leg. This results in a particularly compact design in which the material of the pliers jaw plate is used optimally.
  • the pivot bearing coincides with a bolt for fastening the jaw plate to the support plate.
  • the bolt which extends through the free end region of the fastening leg of the pliers jaw plate is a pivot bolt of the crimping pliers, by means of which the pliers pivot jaw is pivotably mounted relative to the fixed pliers jaw.
  • the bolt can be used in a multifunctional manner: On the one hand, the bolt forms the pivot bolt for the pivotable mounting of the pliers swivel jaw relative to the fixed pliers jaw. On the other hand, the bolt is used to attach the pliers jaw plate to the support plate. This results in a particularly compact embodiment and a reduction in the number of components involved.
  • Another embodiment of the invention is devoted to the arrangement of a die insert on the pliers pivot jaw.
  • any receptacles known from the prior art can be used for the die insert on the pliers swivel jaw according to the invention become.
  • the holder of the pliers jaw plate has two holders for supporting elements of a die insert.
  • the recordings are convex and are spaced apart from one another in a projection onto the support plane.
  • At least one component of a crimping force acting on the die insert, which is oriented vertically to the support plane, can be transferred from the die insert to the pliers jaw plate via the receptacles and the supporting elements of a die insert arranged therein.
  • the convex receptacles can be designed as open-edged recesses, while the supporting elements can be designed as cross bolts projecting from a die plate, as is described in the document DE 198 02 287 C1 is described.
  • the pamphlet DE 198 02 287 C1 is referred to for further details.
  • the disclosure of the document DE 198 02 287 C1 is made the subject of the present disclosure with respect to the formation of the receiving space for the die insert and with regard to the attachment and support of the die insert to the pliers jaw plates.
  • the holder of the pliers jaw plate it is possible for the holder of the pliers jaw plate to have a hole for a fastening screw.
  • the die insert can then be attached to the pliers swivel jaw using the fastening screw.
  • the actual absorption of the high crimping forces can nevertheless take place via the support of a supporting element of a die insert on a convex reception of the pliers jaw plate.
  • the longitudinal extension of the fastening leg of the pliers jaw plate is greater than half of the transverse extension of the pliers head (in particular greater than half of the transverse extension of the pliers head in the region of the swivel joint, via which the pliers pivot jaw is pivotably held on the fixed pliers jaw).
  • pliers jaw plates are arranged on both sides of the support plate.
  • the two pliers jaw plates can have the same or different geometry (s).
  • the two pliers jaw plates are then on via the two bolts the support plate held. The holding over the bolts takes place in the area of (preferably corresponding) overlaps of the two pliers jaw plates with the support plate.
  • the pliers swivel jaw can be constructed symmetrically.
  • the two pliers jaw plates can be arranged symmetrically to a center plane of the pliers head.
  • the two pliers jaw plates can then serve together to form or support the receptacle for the die insert.
  • the thickness of the support plate in the area of the overlaps with the pliers jaw plates corresponds to the thickness of a die insert (in particular in the area of a flange of a die plate).
  • the thickness of the support plate also specifies an extension of a receiving space of the receptacle, which is formed between the pliers jaw plates.
  • the flange of the die insert can be inserted into the receiving space.
  • the die insert can already be guided or supported flatly in the area of its flange between the pliers jaw plates.
  • Supplementary support can be provided by means of a fastening screw and / or the support elements supported in the convex receptacles.
  • a pliers swivel jaw according to the invention can be integrated into any crimping pliers with any drive kinematics.
  • the crimping tool has a toggle lever drive.
  • the toggle lever drive is actuated via the hand lever, and part of a hand lever can also form a toggle lever of the toggle lever drive (cf. for example the prior art mentioned at the beginning DE 198 02 287 C1 ).
  • a toggle lever of the toggle lever drive is articulated on the support plate.
  • the support plate can have a bore which can form a bearing eye for a pivot pin.
  • the support plate carries a pivot pin in a bore.
  • the pliers pivot jaw (which is formed with the support plate and the at least one pliers jaw plate) is basically designed according to a T in a plan view of the pliers head plane.
  • a first horizontal leg of the T is formed by the pincer jaw leg of the pincer jaw plate.
  • a second horizontal leg of the T is formed by the support plate.
  • the pivot bearing In the free end area of the second Horizontal leg of the T is then formed the pivot bearing, in the area of which the jaw pivot jaw can be actuated via the toggle lever drive.
  • the overlap of the support plate with the pliers jaw plate (here the fastening leg of the pliers jaw plate) is arranged.
  • the pivot bearing is preferably arranged, by means of which the pincer pivot jaw is pivotably mounted on the fixed pincer jaw.
  • the support plate has a fastening leg and a swivel arm leg.
  • the fastening leg and the swivel arm leg are arranged in an L-shape.
  • the pivot arm leg of the support plate is arranged approximately parallel to the jaw jaw leg of the at least one jaw jaw plate.
  • approximately parallel means that the swivel arm leg of the support plate and the pincer jaw leg of the at least one pincer jaw plate form an angle of less than 30 °, less than 20 ° or less than 10 ° to one another.
  • a pivot bearing is arranged in the free end region of the swivel arm leg.
  • the swivel jaw of the pliers can be pivoted to a pliers head, a fixed part of the pliers or a hand lever via this pivot bearing.
  • Fig. 1 and 2nd show a crimping tool 1 according to the prior art, in particular according to the document DE 198 02 287 C1 .
  • the crimping pliers 1 have a fixed pliers part 2, a movable pliers part 3 and a toggle lever drive 4 which is formed with a movable hand lever 5.
  • the fixed pliers part 2 forms in one piece a fixed hand lever 6 and a fixed pliers jaw 7.
  • the toggle lever drive 4 has toggle levers 8, 10.
  • the toggle lever 8 is designed as a pressure lever 9.
  • the toggle lever 10 is formed from the front end portion of the movable hand lever 5.
  • the toggle levers 8, 10 are connected to one another via a knee joint 11.
  • the knee joint 11 is designed as a pivot bearing 12 with a pivot pin 13.
  • the end region of the toggle lever 8 facing away from the knee joint 11 is articulated in a pivot bearing 14 with a pivot pin 15 on the fixed pliers part 2.
  • the toggle lever 10 and thus the movable hand lever 5 are articulated on the movable pliers part 3 via a pivot bearing 16 with a pivot pin 17.
  • the movable pliers part 3 is a movable pliers pivot jaw 18.
  • the pliers pivot jaw 18 has a support plate 23.
  • the pivot bearing 20 is formed with the support plate 23.
  • the support plate 23 can have a through hole for receiving the pivot pin 19.
  • Pliers jaw plates 25a, 25b are arranged with overlaps 24a, 24b on both sides of the support plate 23. In the area of the overlaps 24a, 24b, the support plate 23 and the jaw plates 25a, 25b are fastened to one another via bolts 27, 28.
  • the bolts 27, 28 extend vertically to the plane of extension of the support plate 23 and the pliers jaw plates 25a, 25b and to a pliers head plane 62 which corresponds to the plane of the drawing Fig. 1 corresponds.
  • the bolts 27, 28 extend through aligned bores of the support plate 23 and the pliers jaw plates 25.
  • the bolts 27, 28 are secured here by means of locking rings 29, 30.
  • the support plate 23 is approximately triangular (here with rounded corners).
  • the pivot bearing 16 In the area of Fig. 1 is the right corner of the support plate 23, the pivot bearing 16, so that here the support plate 23 has a bore.
  • the swivel bearing 20 In the area of Fig. 1 The swivel bearing 20 is located in the upper corner of the support plate 23, so that the support plate 23 has a corresponding bore here.
  • the overlap 24 is in the area of the in Fig. 1 lower left part of the triangle.
  • the bolt 27 is arranged in the area of the left corner of the triangle.
  • the bolt 28 is arranged approximately in the middle of the base leg of the triangle.
  • a crimping force acts on the pliers swivel jaw 18 in the area of the receptacle 22b and the distance of the force application of the crimping force from the bolt 27 corresponds to the distance between the bolt 27 and the bolt 28.
  • the crimping force acting on the pliers swivel jaw 18 causes one in Fig. 1 vertically oriented bolt force on the bolt 27, which is twice the crimping force.
  • the bolt 28 is then subjected to a bolt force which approximately corresponds to the crimping force.
  • the receptacles 22 are formed for a die insert with a receptacle space 31a, 31b.
  • the receiving space 31a is formed in the space between the jaw plates 25a, 25b.
  • the receiving space 31b is formed in the space between two pliers part plates 32a, 32b of the fixed pliers part 2.
  • a flange of a die insert can be inserted into the receiving spaces 31 and can be guided and / or supported there, cf. DE 198 02 287 C1 .
  • the pliers jaw plates 25a, 25b (just like the pliers sub-plates 32a, 32b) have convex receptacles 33, 34 for a supporting element (in particular a cross bolt) of a die insert and a fastening bore 35, via which a die insert with the pliers jaw plates 25 or the pliers sub-plates 32 can be screwed. Also in this regard, further details on the publication DE 198 02 287 C1 referred.
  • the receptacle 22 for the die insert formed with the receptacles 33, 34 for the support elements specifies a support plane 36.
  • the support plane 36 is oriented transversely to the crimping force acting on the pliers swivel jaw 18 or deviates from this transverse direction by a maximum of 30 °, a maximum of 20 °, a maximum of 10 ° or a maximum of 5 °.
  • the longitudinal axes of the receptacles 33, 34 or the support elements of a die insert arranged therein predetermine or are arranged in the support plane 36. It is also possible for the end faces of the pliers jaw plates 25a, 25b facing the pliers jaw 21 to specify the support plane 36.
  • the jaw plates 25a, 25b are designed in a simplified view as a straight lever.
  • the crimping force acts on an end region of the lever.
  • the support is provided approximately in the middle via the bolt 27. In the other end region, the support is carried out via the bolt 28.
  • the pliers jaw plates 25 are oriented approximately parallel to the support plane 36. In the closed position of the hand levers 5, 6, the pliers jaw plates 25 are also oriented with their longitudinal extensions approximately parallel to the hand lever 5.
  • the crimping tool 1 has a corresponding design 3 to 6 Via a differently designed pliers pivot jaw 18:
  • the pliers jaw plates 25a, 25b are L-shaped.
  • the L-shape of the pliers jaw plates 25a, 25b has a fastening leg 37 and a pliers jaw leg 38.
  • the bolt 28 is here in the free end region of the Fastening leg 37 arranged.
  • the bolt 27 is arranged in the connection area between the fastening leg 37 and the pliers jaw leg 38 (ie in the area of the corner of the L).
  • a connecting axis 61 of the longitudinal axes of the bolts 27, 28 is oriented approximately vertically to the support plane 36.
  • the support plate 23 is basically in accordance with the exemplary embodiment according to Fig. 1 and 2nd formed, that is, roughly triangular.
  • the bolt 28 is not only used for fastening the jaw plates 25a, 25b to the support plate 23. Rather, the bolt 28 simultaneously serves as a pivot bolt 19 for the pivot bearing 20.
  • the pivoting of the pliers pivot jaw 18 relative to the fixed pliers jaw 7 is also ensured by means of the bolt 28.
  • a pivot pin can thus be saved.
  • the pliers pivot jaw 18 can also be shortened, since the horizontal spacing of the bolts 27, 28 according to FIG Fig. 1 and 2nd is not required.
  • the two pliers jaw plates 25a, 25b are arranged in external parallel planes, while hand lever plates 39a, 39b of the movable hand lever 5 and the pliers partial plates 32 of the fixed pliers part 2 are arranged internally in adjacent parallel planes thereof.
  • the support plate 23 and the pressure lever 9 (which here is part of a positive lock known per se) are in turn arranged in an intermediate space between the latter levels.
  • a pliers pivot jaw 18 is pivotably mounted on a fixed pliers part 2 via a pivot bearing 20.
  • the pivot bearing 20 is not arranged in the area of a pliers head of the crimping pliers 1, but in the area of the fixed hand lever 6 of the fixed pliers part 2.
  • the support plate 23 has a greater extension in the longitudinal direction of the crimping pliers 1 in this case.
  • the support plate 23 is formed with two plate-like support plate parts 40a, 40b.
  • a spring element 41 is arranged between the support plate parts 40a, 40b, by means of which the opening and closing characteristics of the crimping pliers and the force relationships during opening and closing are influenced.
  • the support plate 23 and the support plate parts 40a, 40b are roughly L-shaped.
  • the support plate parts 40a, 40b each have a fastening leg 42a, 42b and a swivel arm leg 43a, 43b.
  • the swivel arm legs 43a, 43b serve to bridge the distance of the swivel bearing 20 from the pliers head.
  • the fastening leg 42 serves to fasten the jaw plates 25a, 25b.
  • the overlaps 24a, 24b are formed between the support plate parts 40a, 40b and the pliers jaw plates 25a, 25b in the region of the fastening legs 42a, 42b.
  • the toggle lever drive 4 is designed differently than for the exemplary embodiments according to FIG 1 to 6 :
  • the movable hand lever 5 is articulated to the fixed pliers part 2 via a pivot bearing 44 with a pivot pin 45, but pivotably.
  • the movable hand lever 5 forms a toggle lever 46 between the pivot bearing 44 and a knee joint 47.
  • the knee joint 47 has a pivot pin 48.
  • a knee lever 49 which is a pressure lever 50, is articulated in the knee joint 47 on the movable hand lever 5.
  • the toggle lever 49 is articulated in the end region facing away from the knee joint 47 via a pivot bearing 51 with a pivot pin 52 on the support plate 23.
  • This articulation takes place (for example approximately in the middle) in the region of the swivel arm legs 43a, 43b of the support plate parts 40a, 40b.
  • two pressure levers 50a, 50b are located outside of the tong part plates 32a, 32b.
  • the pivot bolts 52 are passed through elongated holes 53a, 53b of the tong part plates 32a, 32b.
  • the elongated holes 53a, 53b are shaped such that they do not hinder the movement of the pivot pin 52 over the crimping stroke. It can also be seen that the crimping pliers 1 according to the 7 to 9 has a forced locking 54.
  • the pliers pivot jaw 18 has an approximately Z-shaped geometry in a plan view of the pliers head plane.
  • the connecting leg between the two horizontal legs of the Z is oriented vertically.
  • the two horizontal legs of the Z in the longitudinal direction of the crimping pliers 1 are arranged offset from one another without overlapping them in the longitudinal direction.
  • the lower horizontal leg of the Z is formed by the pliers jaw legs 38 of the pliers jaw plates 25.
  • the connecting leg of the Z is formed both by the fastening legs 37 of the pliers jaw plates 25 and the fastening legs 42 of the support plate parts 40.
  • the upper horizontal leg of the Z is formed by the swivel arm legs 43 of the support plate parts 40.
  • Fig. 8 are inserted into the receptacles 22a, 22b of the fixed jaw 7 and the jaw pivot 18 die inserts 55, 56.
  • These have support elements 58, 59.
  • the support elements 58, 59 are designed as cross bolts and project from a die plate 57 on both sides.
  • the die inserts 55, 56 are arranged and supported in the concave receptacles 33, 34.
  • the additional screwing of the die inserts 55, 56 via a fastening screw 60 in the region of the fastening bore 35 can also be seen.
  • a connecting axis of the longitudinal axes of the bolts 27, 28 is identified with the reference number 61.
  • the angle between this connecting axis 61 and the support plane 36 is preferably 90 ° ⁇ 30 °, for example 90 ° ⁇ 20 ° or 90 ° ⁇ 10 ° or 90 ° ⁇ 5 ° for the configuration according to the invention.
  • a pliers head plane 62 denotes a plane in which the pliers pivot jaw 18 is pivoted.
  • the pliers head plane 62 corresponds here to the drawing planes Fig. 1 , Fig. 3 , Fig. 4 , Fig. 5 and Fig. 9 , or it is oriented parallel to these drawing levels.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Gripping Jigs, Holding Jigs, And Positioning Jigs (AREA)
  • Hand Tools For Fitting Together And Separating, Or Other Hand Tools (AREA)
  • Manufacturing Of Electrical Connectors (AREA)

Claims (7)

  1. Mâchoire pivotante de pince (18) du type à plaques pour une pince de sertissage (1) actionnée manuellement, avec
    a) une plaque de support (23) et
    b) une plaque de mâchoire de pince (25), laquelle
    ba) constitue ou porte un logement (22) pour un insert de matrice (56),
    bb) prédétermine un plan d'appui (36) du logement (22) pour un appui d'une force de sertissage agissant sur l'insert de matrice (56),
    bc) est disposée avec un chevauchement (24) sur un côté de la plaque de support (23) et
    bd) est retenue dans la zone du chevauchement (24) par le biais de deux goujons (27, 28) sur la plaque de support (23),
    c) un angle entre un axe de raccordement (61) des axes longitudinaux des goujons (27, 28) et le plan d'appui (36) étant de 90° plus/moins 30° dans un plan de tête de pince (62),
    caractérisée en ce que
    d) la plaque de mâchoire de pince (25) comporte une branche de fixation (37) et une branche de mâchoire de pince (38), la branche de fixation (37) et la branche de mâchoire de pince (38) étant disposées en forme de L,
    e) et
    ea) un des goujons (27) par le biais desquels la plaque de mâchoire de pince (25) est retenue dans la zone du chevauchement (24) sur la plaque de support (23) s'étend à travers la zone de transition dans laquelle s'effectue la transition à partir de la branche de fixation (37) vers la branche de mâchoire de pince (38), et/ou
    eb) un des goujons (28) par le biais desquels la plaque de mâchoire de pince (25) est retenue dans la zone du chevauchement (24) sur la plaque de support (23) s'étend à travers la zone d'extrémité libre de la branche de fixation (37), et
    f) le goujon (28) qui s'étend à travers la zone d'extrémité libre de la branche de fixation (37) est un goujon de pivotement (19) de la pince de sertissage (1).
  2. Mâchoire pivotante de pince (18) selon la revendication 1, caractérisée en ce que
    a) le logement (22) de la plaque de mâchoire de pince (25) comporte deux logements (33, 34) convexes, espacés en projection sur le plan d'appui (36), pour des éléments de support (58, 59) d'un insert de matrice (56) par le biais desquels au moins une composante d'une force de sertissage agissant sur l'insert de matrice (56) et qui est orientée verticalement par rapport au plan d'appui (36) peut être transmise à partir de l'insert de matrice (56) vers la plaque de mâchoire de pince (25), et/ou
    b) le logement (22) de la plaque de mâchoire de pince (25) comporte un alésage (35) pour une vis de fixation (60) par le biais de laquelle l'insert de matrice (56) peut être fixé sur la plaque de mâchoire de pince (25).
  3. Mâchoire pivotante de pince (18) selon l'une des revendications précédentes, caractérisée en ce que l'étendue longitudinale de la branche de fixation (37) est supérieure à une moitié de l'étendue transversale de la tête de pince.
  4. Mâchoire pivotante de pince (18) selon l'une des revendications précédentes, caractérisée en ce que deux plaques de mâchoire de pince (25a, 25b) sont retenues sur les différents côtés de la plaque de support (23) par le biais des deux goujons (27, 28).
  5. Mâchoire pivotante de pince (18) selon la revendication 4, caractérisée en ce que l'épaisseur de la plaque de support (23) dans la zone des chevauchements (24) correspond à l'épaisseur d'un insert de matrice (56) qui peut être inséré dans un espace de logement (31) du logement (22) constitué entre les plaques de mâchoire de pince (25a, 25b).
  6. Pince de sertissage (1) avec une mâchoire pivotante de pince (18) selon l'une des revendications précédentes, caractérisée en ce que la pince de sertissage (1) comporte une commande à genouillère (4) actionnée par le biais des leviers manuels (5, 6), une genouillère (10) de la commande à genouillère (4) étant articulée sur la plaque de support (23).
  7. Pince de sertissage (1) avec une mâchoire pivotante de pince (18) selon l'une des revendications 1 à 5, en particulier pince de sertissage (1) selon la revendication 6, caractérisée en ce que la plaque de support (23) comporte une branche de fixation (42) et une branche de bras pivotant (43),
    a) la branche de fixation (42) et la branche de bras pivotant (43) étant disposées en forme de L,
    b) la branche de bras pivotant (43) de la plaque de support (23) étant disposée à peu près parallèlement à la branche de mâchoire de pince (38) de la plaque de mâchoire de pince (25) au moins au nombre de un, et
    c) un palier pivotant (20) étant disposé dans la zone d'extrémité libre de la branche de bras pivotant (43), par le biais duquel la mâchoire pivotante de pince (18) est retenue sur une tête de pince, une partie de pince (2) fixe ou un levier manuel (6).
EP18166739.5A 2018-04-11 2018-04-11 Mâchoire pivotante de pince du type à plaques et pince de sertissage pourvue de mâchoire pivotante de pince Active EP3553900B1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP18166739.5A EP3553900B1 (fr) 2018-04-11 2018-04-11 Mâchoire pivotante de pince du type à plaques et pince de sertissage pourvue de mâchoire pivotante de pince
JP2019072727A JP7290984B2 (ja) 2018-04-11 2019-04-05 パネル式プライヤ旋回ジョーおよびプライヤ旋回ジョーを有する圧着プライヤ
US16/377,551 US11331777B2 (en) 2018-04-11 2019-04-08 Pivoting pliers jaw in a design comprising plates and crimping pliers comprising a pivoting pliers jaw
TW108112319A TWI793300B (zh) 2018-04-11 2019-04-09 板結構方式的鉗擺動顎和具有鉗擺動顎的壓接鉗
CN201910287577.8A CN110364903B (zh) 2018-04-11 2019-04-11 板结构方式的钳摆动颚和具有钳摆动颚的压接钳

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP18166739.5A EP3553900B1 (fr) 2018-04-11 2018-04-11 Mâchoire pivotante de pince du type à plaques et pince de sertissage pourvue de mâchoire pivotante de pince

Publications (2)

Publication Number Publication Date
EP3553900A1 EP3553900A1 (fr) 2019-10-16
EP3553900B1 true EP3553900B1 (fr) 2020-07-15

Family

ID=61965857

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EP18166739.5A Active EP3553900B1 (fr) 2018-04-11 2018-04-11 Mâchoire pivotante de pince du type à plaques et pince de sertissage pourvue de mâchoire pivotante de pince

Country Status (5)

Country Link
US (1) US11331777B2 (fr)
EP (1) EP3553900B1 (fr)
JP (1) JP7290984B2 (fr)
CN (1) CN110364903B (fr)
TW (1) TWI793300B (fr)

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Also Published As

Publication number Publication date
JP7290984B2 (ja) 2023-06-14
US20190314966A1 (en) 2019-10-17
TW201943505A (zh) 2019-11-16
TWI793300B (zh) 2023-02-21
CN110364903A (zh) 2019-10-22
EP3553900A1 (fr) 2019-10-16
US11331777B2 (en) 2022-05-17
CN110364903B (zh) 2022-04-08
JP2019181690A (ja) 2019-10-24

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