EP3269509A1 - Pince pour réaliser des trous sur des profiles à section trapézodale - Google Patents

Pince pour réaliser des trous sur des profiles à section trapézodale Download PDF

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Publication number
EP3269509A1
EP3269509A1 EP17180819.9A EP17180819A EP3269509A1 EP 3269509 A1 EP3269509 A1 EP 3269509A1 EP 17180819 A EP17180819 A EP 17180819A EP 3269509 A1 EP3269509 A1 EP 3269509A1
Authority
EP
European Patent Office
Prior art keywords
pliers
trapezoidal
punch
legs
perforating
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
EP17180819.9A
Other languages
German (de)
English (en)
Other versions
EP3269509B1 (fr
Inventor
Oliver HÖLSCHER
Marc Hoffmann
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.)
H3 Tools & Co KG GmbH
Original Assignee
H3 Tools & Co KG GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by H3 Tools & Co KG GmbH filed Critical H3 Tools & Co KG GmbH
Publication of EP3269509A1 publication Critical patent/EP3269509A1/fr
Application granted granted Critical
Publication of EP3269509B1 publication Critical patent/EP3269509B1/fr
Active legal-status Critical Current
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
    • B26F1/32—Hand-held perforating or punching apparatus, e.g. awls
    • B26F1/36—Punching or perforating pliers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D28/00—Shaping by press-cutting; Perforating
    • B21D28/002—Drive of the tools
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D28/00—Shaping by press-cutting; Perforating
    • B21D28/24—Perforating, i.e. punching holes
    • B21D28/243—Perforating, i.e. punching holes in profiles
    • 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
    • B25B7/12—Pliers; Other hand-held gripping tools with jaws on pivoted limbs; Details applicable generally to pivoted-limb hand tools involving special transmission means between the handles and the jaws, e.g. toggle levers, gears
    • 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
    • B25B7/12—Pliers; Other hand-held gripping tools with jaws on pivoted limbs; Details applicable generally to pivoted-limb hand tools involving special transmission means between the handles and the jaws, e.g. toggle levers, gears
    • B25B7/126—Pliers; Other hand-held gripping tools with jaws on pivoted limbs; Details applicable generally to pivoted-limb hand tools involving special transmission means between the handles and the jaws, e.g. toggle levers, gears with fluid drive
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D5/00—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D5/08—Means for actuating the cutting member to effect the cut
    • B26D5/086—Electric, magnetic, piezoelectric, electro-magnetic means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
    • B26F1/32—Hand-held perforating or punching apparatus, e.g. awls
    • B26F1/34—Hand-held perforating or punching apparatus, e.g. awls power actuated
    • 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
    • B25B27/02—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same
    • B25B27/10—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same inserting fittings into hoses

Definitions

  • the invention relates to a Trapezlochlochzange with the features of the preamble of claim 1.
  • Trapezlochlochangen be used with which at the same time holes can be punched at the two oblique legs of the trapezoidal profile, where in turn cable routes, luminous bodies or cable guides can be fastened.
  • Such trapezoidal pliers must be manually operated and has a similar kinematic design as a pruning shears, that is, two pivotally interconnected pliers legs, each carrying a cutting punch, are relatively short, whereas starting from the hinge point to the other side substantially longer lever arms with handles are formed so that the user can muster the necessary forces for punching.
  • the object of the present invention is therefore to provide a Trapezlochlochzange with which the work described are much easier executable.
  • the two lever arms are formed on the side facing away from the two collets limbs side of the joint only very short and formed on their mutually facing inner edges with a profiling so that they can be coupled with an electric pressing tool for heating and plumbing needs.
  • Such pressing tools are basically known, for example from the DE 199 27 776 A1 ,
  • the pressing tools which can be placed thereon have two pressing legs with which crimped connections of pipe ends can be produced or fittings can be attached to a pipe end.
  • the punch pliers according to the invention has two pairs of stop surfaces.
  • a first pair is referred to as front abutment surfaces and is disposed with some offset of the connecting line of the two hinge points on the side of the front ends of the pincer leg; the other couple on the opposite Side of the connecting line.
  • Essential to the invention are u.a. the aspect ratio at the pincer legs.
  • the forward ends extending between a front tip carrying the punches and the bearing pins are significantly longer than the rear ends of the hole legs beyond the bearing pins.
  • the aspect ratio is at least 1.5: 1. Only in this way is it possible to have a large opening angle, which makes it possible to set the punches on both sides of the trapezoidal profile at the same time.
  • the trapezoidal pliers have a customizable closed position.
  • threaded pins can be inserted into designated tapped holes.
  • the pins can be adjusted by the thread so that they protrude more or less out of the stop surface, so that depending on the Trapezblechblechbreite the closing angle of the punch leg is limited.
  • the force-controlled pressing machine shuts off when the pins meet. Also possible is the one-sided use of a threaded pin so that it presses against the opposite stop surface.
  • An alternative way to limit the work path is to shorten / limit the way the pressure rollers. As soon as the pressure rollers can no longer penetrate deep to close to the retaining plate, it is no longer possible to close the jaws tightly.
  • a mechanical Wegverkürzung can also be achieved by the introduction of a screw between the two lower ends of the punch leg. The path of the pressure rollers is reduced by the height of the screw head.
  • the punching tool according to the invention has a defined symmetrical open position, in particular, in that a centering bolt is placed on the central axis between the trailing ends of the punching pliers leg lying beyond the bearing bolts. Together with a corresponding shape is achieved that the two pairs of jaw tong are forced into a symmetrical with respect to the central axis alignment.
  • the closure is preferably supported by a compression spring, but is carried out for the punching operation mainly by the force exerted on the pair of rollers of the electric pressing tool force.
  • the force acting on the perforated pliers on a comparatively thin-walled trapezoidal sheet metal profile must be severely limited. Therefore, only a certain closing path is permitted by the adjoining front abutment surfaces and a certain distance of the pincer leg to each other always maintained, which is so dimensioned that the trapezoidal sheet metal profile is not squeezed on its lateral flanks after the punches have penetrated therein.
  • a punch 50 is arranged on the respective inner flank. This has, for example, an end provided with a thread 51, so that via nuts 52 an axial adjustment and thus an adjustment of the penetration depth are possible.
  • the two punching pliers legs 10, 20 are connected to each other via a hinge unit 30, which is similar to the top and bottom.
  • a joint base plate 31 is provided in each case, which has two bearing bores 32.
  • the bearing bolts 33 are provided at both ends with a threaded bore, so that they can be screwed on washers 34 and screws 35 with the joint base plate 31.
  • a compression spring 40 holds the pincer legs 10, 20 in the closed position to facilitate transportation and handling.
  • the storage via two spaced apart bearing pins 33 has the advantage that no overlap of parts of the pincers 10, 20 is required, so that there is no weakening by reduced cross-sections.
  • the defined position and the symmetrical movement during closing and opening of the two pliers legs 10, 20 are achieved in that the coupling takes place with the electric pressing tool, which moves the two short ends 11, 21 by its roller drive similar.
  • the inner contour of the punching pliers legs 10, 20 is essential for the function of the Trapezlochlochzange 100.
  • the short ends 11, 21 must be rounded to facilitate the inlet of the rollers of the pressing tool. Between the ends 11, 21, the contour must taper in the direction of the hinge unit 30 to define an end region for the extension path of the roller pair. Stop surfaces 14 in the region of the hinge unit 30 on the one hand and an obliquely outwardly extending contour of the respective long ends 11, 21 of the punching pliers legs 10, 20 are required so that there is a defined closed position, in which the ends 12; 12 'and the punches 50 maintain a distance from each other and do not press against each other.
  • the outwardly fleeing long ends 12, 12 ' may be V-shaped to each other; but they are preferably rounded parabolically on the inside. This has the advantage that the ends 12, 12 'approximately parallel to each other and the mounting holes for the punches 50 can be introduced perpendicular to the ends 12.
  • FIG. 2 the open trapezoidal forceps 100 is shown in a side view, but without the required for use electric pressing tool 200, which is indicated here only by a dashed line.
  • the closed position is in Fig. 3 shown.
  • the punches 50 penetrate the trapezoidal sheet 300.
  • the punching is made with it.
  • the rollers 201 move back again, the two pliers legs 10, 20 can get back into their widely spread starting position.
  • a second preferred embodiment trapezoidal pliers 100 ' which in Fig. 4 is shown in exploded view, with respect to the shape of the hole pliers legs 10, 20 unchanged.
  • a hinge unit 30 ' is also formed with two parallel hinge plates 31' above and below the hole pliers legs 10, 20 also similar.
  • the trapezoidal pliers 100 'according to Fig. 4 in the joint unit 30 ' no screwing of the bearing pin 33' provided with the joint base plates 31 ', but an axial fixing of the bearing pin 33' on the joint base plates 31 via end-mounted circlips 34 '.
  • the hole pliers legs 10, 20 are held in a closed position by a compression spring 40, which is guided in blind holes in the stop surfaces 15.
  • the Trapezlochlochzange 100 has a arranged on the central axis locking unit 60' for a depth stop 67 '.
  • This serves to maintain the desired distance from the underside of the trapezoidal sheet metal profile 300 and accordingly perform the punching at the intended height of the lateral flanks of the trapezoidal sheet metal profile 300.
  • the depth stop 67 'in the form of an angled wire profile can be used in a receptacle of a threaded sleeve 62'.
  • the threaded sleeve 62 ' is screwed by a screw and a lock nut 63' with the joint base plate 31 '.
  • the Trapezlochlochzange 100 'in the joint unit 30' before a centering pin which is connected to at least one of the base plates 31 'and which causes both Lochzangenschenkel 10, 20 occupy a symmetrical open position, so that no skewing of the two pliers legs 10, 20th takes place because in this case the punch and punch 50 would set at different heights on the trapezoidal sheet 300 and could lead to a height offset of the stamped recesses.
  • Fig. 5a shows the Trapezlochlochzange 100 'according to the second embodiment of the invention in top view.
  • the tool according to the invention is connected to a pressing tool 200 and is driven via its roller pair 201.
  • Between the two pincer arms 10, 20 of the centering pin 35 ' is arranged, which is fixed to the central, rearward bore of the T-shaped base member 31 '.
  • Fig. 5b is the position of Trapezlochzangenschenkel 10, 20 opposite Fig. 5a unchanged.
  • the upper hinge base plate 31 ' including the locking unit 60' is removed in order to better represent the position of the two hole pliers legs 10, 20 to each other and to the centering pin 35 '.
  • the open position in which the front ends 12, 22 of the punch arms 10, 20 are spread apart from each other, they abut against each other at abutment surfaces 15, which lies slightly below the horizontal line extending through the two bearing pins 33 '.
  • the maximum splayed position is specified.
  • the two hole pliers legs 10, 20 bear with their rear ends 11, 21 on the centering pin 35 in order to achieve an exactly symmetrical alignment of the two hole pliers legs with respect to the central axis and to avoid tilting to the side.
  • the area of storage of the two hole pliers legs 10, 20 is in Fig. 5c shown in an enlarged detail.
  • the pliers legs 10, 20 are flat against each other.
  • the centering pin 35 ' is located between the rear ends 11, 21, with some play, so as to ensure in any case that the stop surfaces 15 are close to each other and no double fit is formed.
  • Fig. 6a is analogous to Fig. 5a the position of the Trapezlochlochzange 100 'according to the invention with respect to a trapezoidal sheet 300, wherein in this illustration, the punching leg 10 20 but are closed at maximum and the punching and pressing tools 50 have penetrated into the lateral profile legs of the trapezoidal sheet 300.
  • the depth stop 67 ' also indicates the correct positioning in relation to the trapezoidal sheet profile 300 in this position.
  • Fig. 6c again shows an enlarged view of the area of the storage of the two pliers legs 10, 20.
  • the two abutment surfaces 15 are no longer in front of each other after the front ends 12, 22 have been moved towards each other and beyond the storage line between the bearing pin 33 arranged rear ends 11, 21 have been spread apart from each other.
  • the spring 40 holds the closed position of the front leg of the punching pliers legs 10, 20. A contact with the centering pin 35 is no longer in this position.
  • Fig. 7 shows a Trapezlochlochzange 100 "according to a third embodiment This agrees with respect to the geometry of the Trapezlochzangenschenpenschenkel 10", 20 "and their connection via a hinge unit 14, etc. with the other Au Unitsformen. The difference is that the Trapezlochlochzangenschenkel 10", 20 “receiving recesses 16th "in the form of through threaded holes.
  • the tool according to the invention is in the representation of Fig. 7 not connected to a pressing tool 200. Shown is the position of Trapezlochlochzangenschenkel 10 ", 20" in the open position in which the front ends 12 ", 22" of the punching pliers legs 10 ", 20” are spread apart from each other and the rear abutment surfaces 15 "lie against each other.
  • the two Trapezlochlochzangenschenkel 10 ", 20” provided with grub screws 17 "as adjusting elements, which are introduced into the designated threaded holes 16".
  • the setscrews 17 can their distance with respect to the stop surfaces 14" on the inner edges of the hole pliers legs 10 ", 20” changed and thereby the closing angle can be adjusted so that a profile located between the front ends 11 ', 21 "profile is not crushed.
  • a second way to limit the closing angle between the Trapezlochzangenschenken 10 ", 20" is also in Fig. 7 displayed.
  • the schematically illustrated screw 19 "in the back area prevents any, complete curling of the roller pair 201 (s. Fig. 6a ).
  • the Trapezlochzangenschenkelschen 10 ", 20" can not reach their maximum closed position, which is desired for wider trapezoidal sheets.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Hand Tools For Fitting Together And Separating, Or Other Hand Tools (AREA)
  • Scissors And Nippers (AREA)
EP17180819.9A 2016-07-12 2017-07-11 Pince pour réaliser de troux sur des profiles à section trapézoïdale Active EP3269509B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE202016103737.9U DE202016103737U1 (de) 2016-07-12 2016-07-12 Trapezlochzange

Publications (2)

Publication Number Publication Date
EP3269509A1 true EP3269509A1 (fr) 2018-01-17
EP3269509B1 EP3269509B1 (fr) 2021-11-03

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP17180819.9A Active EP3269509B1 (fr) 2016-07-12 2017-07-11 Pince pour réaliser de troux sur des profiles à section trapézoïdale

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EP (1) EP3269509B1 (fr)
DE (1) DE202016103737U1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113547018A (zh) * 2021-09-01 2021-10-26 桂林福达阿尔芬大型曲轴有限公司 用于检测曲臂差的钻孔装置
CN113580825A (zh) * 2021-08-02 2021-11-02 南宁市自然资源信息集团有限公司 一种森林调查用打标钳及使用方法
WO2023247980A1 (fr) * 2022-06-22 2023-12-28 Hajba Tamas Outil de perforation de plaques trapézoïdales

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202021105317U1 (de) 2021-10-01 2022-01-11 H3 Tools GmbH & Co. KG Lochstempel für eine Trapezlochzange

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4571975A (en) * 1984-03-29 1986-02-25 Pawloski James A Fluid actuated tool
DE19927776A1 (de) 1999-06-17 2000-12-21 Foell Remswerk Preßwerkzeug
EP2739445B1 (fr) * 2011-08-02 2015-08-26 Gustav Klauke GmbH Paire de mâchoires pour l'estampage de trous

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4571975A (en) * 1984-03-29 1986-02-25 Pawloski James A Fluid actuated tool
DE19927776A1 (de) 1999-06-17 2000-12-21 Foell Remswerk Preßwerkzeug
EP2739445B1 (fr) * 2011-08-02 2015-08-26 Gustav Klauke GmbH Paire de mâchoires pour l'estampage de trous

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
CIMCO WERKZEUGFABRIK: "CIMCO "Das Komplette Werkzeugprogramm für Industrie und Elektrohandwerk" 2012/2013", 1 January 2012 (2012-01-01), pages 110 - 110, XP002775710, Retrieved from the Internet <URL:http://pdf.cimco.de/epaper-CIMCO_Katalog_2014/#/112> [retrieved on 20171117] *

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113580825A (zh) * 2021-08-02 2021-11-02 南宁市自然资源信息集团有限公司 一种森林调查用打标钳及使用方法
CN113580825B (zh) * 2021-08-02 2023-06-06 南宁市自然资源信息集团有限公司 一种森林调查用打标钳及使用方法
CN113547018A (zh) * 2021-09-01 2021-10-26 桂林福达阿尔芬大型曲轴有限公司 用于检测曲臂差的钻孔装置
WO2023247980A1 (fr) * 2022-06-22 2023-12-28 Hajba Tamas Outil de perforation de plaques trapézoïdales

Also Published As

Publication number Publication date
EP3269509B1 (fr) 2021-11-03
DE202016103737U1 (de) 2016-08-18

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