EP1539391B1 - Outil de cintrage et dispositif porte-outil associe - Google Patents

Outil de cintrage et dispositif porte-outil associe Download PDF

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Publication number
EP1539391B1
EP1539391B1 EP03794687A EP03794687A EP1539391B1 EP 1539391 B1 EP1539391 B1 EP 1539391B1 EP 03794687 A EP03794687 A EP 03794687A EP 03794687 A EP03794687 A EP 03794687A EP 1539391 B1 EP1539391 B1 EP 1539391B1
Authority
EP
European Patent Office
Prior art keywords
tool
lock
bending tool
tool holder
bending
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.)
Expired - Lifetime
Application number
EP03794687A
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German (de)
English (en)
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EP1539391A1 (fr
Inventor
Reinhard Artmayr
Alfred HASELBÖCK
Martin Halmdienst
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.)
Trumpf Maschinen Austria GmbH and Co KG
Original Assignee
Trumpf Maschinen Austria 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 Trumpf Maschinen Austria GmbH and Co KG filed Critical Trumpf Maschinen Austria GmbH and Co KG
Priority to AT03794687T priority Critical patent/ATE345885T1/de
Publication of EP1539391A1 publication Critical patent/EP1539391A1/fr
Application granted granted Critical
Publication of EP1539391B1 publication Critical patent/EP1539391B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
    • B21D5/02—Bending sheet metal along straight lines, e.g. to form simple curves on press brakes without making use of clamping means
    • B21D5/0209—Tools therefor
    • 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
    • B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
    • B21D5/02—Bending sheet metal along straight lines, e.g. to form simple curves on press brakes without making use of clamping means
    • B21D5/0209—Tools therefor
    • B21D5/0236—Tool clamping

Definitions

  • the invention relates to a bending tool according to the preamble of claim 1 and a tool receiving device with such a tool.
  • a plate forming press with a clamping piece and tools for an adjustable press bar of the molding press is known.
  • the tool In the tool a to a side surface and this in a locking position with the clamping piece engageable, biased by a compression spring locking element in the direction perpendicular to the side surface direction is arranged adjustable.
  • a pressing tool with a tool holder for a press brake is further known, the tool has opposite side surfaces superior and adjustable in this direction vertical locking elements, which for securing engage the tool in receiving grooves of the tool holder and the arranged via a tool arranged in the actuator from the locking position into an unlocked position in which the securing means are out of engagement with the receiving grooves, are adjusted.
  • Such a device requires elaborate tools, which are also to be dimensioned correspondingly larger by the arrangement of the actuator in the tool.
  • the object of the invention is to provide a tool receiving device and a tool with a locking device which is to be arranged in tools of conventional dimensions and ensures an effective function for preventing a tool crash when releasing the clamping device.
  • a modular locking device is achieved, which is prefabricated as a functional unit and can be retrofitted in this form with little effort in existing bending tools.
  • an advantage is also an embodiment according to claim 8, because thus longer tools for the clamping operation are accurately positioned and crash-protected accordingly for the removal process.
  • the embodiment according to claim 14 allows the opposite arrangement of the locking elements in the tool base, whereby a canting of the tool is effectively prevented before the clamping operation.
  • an embodiment according to claim 18 is advantageous, because thus the unlocking operation, i. an adjustment of the locking elements in the unlocked position in which the locking lugs disengage from the locking receptacles, takes place only after reducing the frictional resistance of the bearing surface of the locking lugs in the locking receptacles by a slight lifting of the tools, but which also ensures that the tools already secured are detected by the operator.
  • a tool receiving device which has a bending tool according to the invention and an unlocking device.
  • the object is to provide a tool holder device with the bending tools with backup devices are simply exchangeable held.
  • the surprising advantage here is that with a simple unlocking device on the tool receiving device arranged in the bending tools actuator for counteracting adjustment of locking elements can be acted upon.
  • Possible embodiments are as described in claims 20 to 22, whereby, regardless of the position of the bending tools used in the longitudinal direction of a bending beam or a tool receiving device, an unlocking process is easy to carry out.
  • an embodiment according to claim 28 is advantageous, whereby the mechanical complexity for such adjusting arrangement for actuating the locking elements is reduced.
  • Fig. 1 is a tool receiving device 1 with a tool 2 arranged therein, in particular bending tool 3, as a so-called hanging tool 2, that is the in an upper adjustable press bar 4 a bending press 5 inserted bending tool 3, shown.
  • the tool receiving device 1 a securing device 11, which prevents a crash of the tool 2 when loosening the clamping device 6 for removing the tool 2 from the tool holder.
  • This locking device 11 is by two, in an aligned guide assembly 12 adjustable relative to each other guided locking elements 13, the projecting in the locking position opposite side surfaces 14 of the tool 2 in the region of a tool base 15 and arranged in mutually facing side surfaces 16 of the groove-shaped tool holder 8, preferably groove-shaped, in the direction of a longitudinal extent of the tool receiving device 1 extending locking receptacles 17 protrude.
  • the locking elements 13 are formed as a cylindrical bolt 18 with nose-shaped locking lugs 19 and the guide assembly 12 is designed as a bore 20, in which case further a rotation 21 by a pin 18 arranged in and along the bore 20 extending guide groove 22 engaging pin 23rd is provided.
  • the locking elements 13 have a polygonal, in particular square cross section and the guide assembly 12 is formed by a cross section of the locking elements 13 adapted guide, whereby also the rotation 21 is achieved.
  • a plunger 27 is adjustably guided and via a spring assembly 28, e.g. a compression spring 29, biased in the direction of the locking elements 13.
  • a spring assembly 28 e.g. a compression spring 29, biased in the direction of the locking elements 13.
  • the spring force to be applied by the compression spring 29 to the push rod 27 is adjustable according to arrow 33, for which purpose an adjusting element 39, e.g. a threaded bolt, for adjusting the bias of the compression spring 29 is provided, which is arranged in a coaxial with the guide assembly 25 extending threaded bore 40 in the tool base 15.
  • an adjusting element 39 e.g. a threaded bolt
  • the spring force of the compression spring 29 - according to arrow 33 - or the resulting force components - according to arrows 34 - on the locking elements 13 is greater than the tensile force - as indicated by arrow 36 - the traction means 37 so the spiral tension spring 38th
  • a center angle 41 of the biconical adjusting wedge 30 will be greater than 15 ° to less than 120 °, preferably between 60 ° and 90 °, in any case selected in a range which is above a friction-induced self-locking.
  • the tensile force - according to arrow 36 - of the traction means 37 will be smaller than the operating force to overcome the friction, for adjusting the locking elements 13 in the unlocked position, due to the weight of the bending tool 3, in bearing surfaces 42 of the locking lugs 19th present in the locking receptacle 17. This is to make an unlocking and removal of the bending tool 3 from the tool holder 8, a lifting of the bending tool 3 - according to an arrow 43 - required, which ensures that the bending tool 3 was deliberately detected by the operator and thus a tool crash, associated with, if necessary damage of the bending tool or injury to the operator, avoided.
  • the tool receiving device 1 has an unlocking device 44, by means of which the unlocking process is carried out.
  • the locking elements 13 in the direction of adjustment of the locking elements 13 - according to double arrow 24 - adjustable, associated actuating means 45 which acts on adjustment against the action of a spring assembly 46 on a Stirnfase 47 of the locking element 13 and thus the locking element 13 is adjusted in the direction of the median plane 26, wherein at the same time the pressure plunger 27 via the adjusting wedge 30, against the action of the compression spring 29, is raised.
  • the acted upon by the compression spring 29 push rod 27 positions the locking elements 13 in principle in the locked position.
  • the bending tool 3 is inserted into the tool holder 8, by applying a force - as indicated by arrow 43 - the locking elements 13, in a row from the tool holder 8 facing angularly extending control surfaces 50, in the direction of the median plane 26 with simultaneous adjustment of the plunger 27 with his Positioning wedge 30, against the action of the compression spring 29, adjusted so far until the locking lugs 19 no longer project beyond the side surfaces 14 of the bending tool 3.
  • the tool can be inserted into the tool holder 8. If the locking lugs 19 now reach the area of the locking receptacle 17, the spring-loaded pressure plunger 27 with its adjusting wedge 30 results in an adjustment of the locking elements 13 into the locking position, counter to the spring force of the spiral tension spring 38 connecting the locking elements 13.
  • one of the locking elements 13 is acted upon by the actuating means 45 and thus performed the unlocking, wherein the opposite locking element 13 in the direction of the median plane 26 by reducing the action of the Spiralzugfeder 38 of the distance 35 is moved, whereby the locking lugs 19 of both locking elements 13 pass from the locking position to the release position and thus the bending tool 3 can be removed from the tool holder 8.
  • the unlocking device 44 with the actuating means 45, such as e.g. shown in dotted lines, to adjust the actuating means 45 by means of a control lever 51 against the action of the spring assembly 46.
  • the unlocking device 44 with a pressure medium, e.g. Compressed air, pressure oil, etc., to be acted upon pressure cylinder 52 which acts with a piston rod 53 directly on the Stirnfase 47 of the locking element 13.
  • a pressure medium e.g. Compressed air, pressure oil, etc.
  • a further embodiment of the unlocking device 44 is shown.
  • a cover profile 62 extending over its entire length, in particular of a resiliently recoverable material, e.g. Spring plate, arranged.
  • spring vanes 63 are formed, which protrude with angled legs 64 in the tool holder 8 arranged openings 65 in the direction of the locking receptacle 17.
  • a likewise extending over the entire length of the locking receptacle 17 a provided with spring tongues 66 actuation profile 67 is fixed, wherein the spring tongues 66 of the Stirnfase 47 of the locking lugs 19 of the locking elements 13 are assigned.
  • FIG. 3 shows a further variant of the actuator 49 with the adjusting means 48 for locking and unlocking the bending tool 3 from the tool holder 8 and with another embodiment of the unlocking device 44 for carrying out the unlocking operation.
  • the plunger 27 in extension of the adjusting wedge 30 on an actuating extension 70 which projects into a subsequent to the guide assembly 25 and coaxial with a longitudinal central axis 71 bore 72.
  • the adjusting projection 70 receiving bore intersects with a rectangular, to the bending tool 3 at right angles to the side surfaces 14, transverse bore 73rd
  • the actuating extension 70 is arranged in a connecting region 74 between the adjusting wedge 30 and a guide element 75 spaced therefrom, extending in the direction of the longitudinal central axis 71 slot 76, of which the locking elements 13 connecting spiral tension springs 38 passes.
  • the gate element 75 has a wedge-shaped end portion 77 which, in the end position of the plunger 27, wherein the locking wedge 30, the locking elements 13 positioned in their locking position, in the bending tool 3 transverse bore 73.
  • locking elements 13 are adjustably guided with the locking lug 19.
  • At least one helical compression spring 83 is arranged between the locking elements 13, which positions the locking elements 13 against the action of a stop arrangement 84 provided between them in the locking position, in which the locking lugs 19 project beyond the side surfaces 14 of the bending tool 3.
  • the actuator 49 is formed by opposing tooth elements 85, 86 of the locking elements 13 and a drive connection between the opposing tooth elements 85, 86 creating sprocket 87 which is rotatably mounted in the housing 81 about a direction of rotation of the locking elements 13 perpendicular axis of rotation 88.
  • the gegen By such a design of the actuator 49, the gegentechnische adjustment of the locking elements 13 from the locking position to the unlocked position upon application of one of the locking elements 13 with a force - according to arrow 89 - reaches the Stirnfase 47 of the locking lug 19.
  • an insertable into the bending tool 3 locking module 90 is achieved, which can be prefabricated and assembled economically in series in this form, and thus also bending tools can be retrofitted in a simple manner with this unit.
  • a further embodiment of such a locking module 90 is shown, in which in the housing 81, the counter-adjustable locking elements 13 are arranged and positioned on the compression spring 83 in the locked position.
  • the adjusting means 48 of the actuator 49 are further formed in the embodiment shown by a scissor lever assembly 91 through which the locking elements 13, are drivingly connected.
  • the scissors lever assembly 91 is formed by two levers 92, 93, which are pivotally connected in each case on the one hand with the locking element and pivotally connected to a centrally arranged pivot axis 94.
  • This central pivot axis 94 is further in side walls 95, 96 of the housing 81 in the region of the median plane 26 arranged oblong holes 97 in the direction the longitudinal center plane 26 adjustably guided.
  • the same adjustment of the locking elements 13 from the locking position to the unlocked position by applying an adjusting force - according to arrow 89 - reached on one of the locking elements 13 on the scissors lever assembly 91.
  • the stop assembly 84 is provided by overlapping arranged on the locking elements 13 stop projections 98 between the locking elements 13.
  • FIGS. 8 and 9 show a further embodiment of the securing device 11 designed in the form of the locking module 90.
  • a bending tool 3 traversing the tubular housing 99 are bolt-shaped, the locking elements 13 relative to each other adjustable and guided against rotation.
  • the locking elements 13 are positioned by the coil compression spring 83 arranged between them in the locking position, in which the locking lugs 19 project beyond the side surfaces 14.
  • the rotation 21 is at the same time the stop assembly 84, which limits the adjustment of the locking elements 13 and is formed by an engaging in a guide groove 100 of the housing 99 locking pin 101, which projects beyond the locking elements 13 on the circumference.
  • a locking elements 13 drive-connecting pivot pin 102 is provided which is provided at its outer diameter in the form of a coarse thread with an outer coil 103 and is in engagement with an inner coil 104, which are provided in bores 105 of the locking elements 13, wherein in one of the locking elements 13, the inner coil 104 is designed to be right-handed and in the further locking element 13 to be left-handed. Accordingly, the outer coil 103 of the pivot pin 102 is half-sided on the left and half formed left-hand spiral.
  • FIG. 10 shows a further embodiment of the unlocking device 44 for the securing device 11.
  • the bending tool 3 is held secured in the tool receiving device 1 by means of the bolts 18 in the locking receptacle 17.
  • the mechanic for the adjustment of the bolt 18 in the tool base 15 are the previously described ways of execution.
  • the spring tongues 66 actuating profile 67 is arranged from a spring plate in the now described embodiment in the locking receptacle 17, wherein the spring tongue 66 upon adjustment in the direction of the tool 3, the pin 18 end face impinges and in the adjustment - according to arrow 68 - presses in the unlocked position.
  • a slide assembly 110 with a slider 111 which is linearly adjustable - according to double arrow 112 - stored in the tool holder 1 and mounted with a in a bore 113 between the spring tongue 66 and the slide 111 Pressure pin 114 via a direction of adjustment - according to arrow 68 - angularly extending contact surface 115 cooperates.
  • the slider 111 is moved in the direction of the pressure bolt 114, which is adjusted as a result of force deflection in the contact surface 115 in the adjustment direction - according to arrow 68 - while the spring tongue 66 against the force of the spring action against the side surface 14 of the bending tool 3 presses while adjusting the bolt 18 in the unlocked position for removal of the bending tool 3 from the tool receiving device 1.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
  • Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)
  • Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
  • Mounting, Exchange, And Manufacturing Of Dies (AREA)
  • Adornments (AREA)

Claims (35)

  1. Outil de cintrage (3), en particulier outil de pliage pour un logement d'outil (8) d'une presse plieuse avec un dispositif de sécurité (11) par un élément de verrouillage (13) faisant saillie sur une face latérale (14, 16) de l'outil de pliage (3) dans une position de verrouillage et ajustable dans une direction perpendiculaire à la face latérale (14, 16), qui est apte à s'engager dans un logement en forme de rainure du logement d'outil (8), et avec un dispositif de déverrouillage (44) associé à l'élément de verrouillage (13), caractérisé en ce que dans un agencement de guidage commun (25) dans l'outil de pliage (8), des éléments de verrouillage (13) faisant saillie sur des faces latérales opposées (14, 16), ajustables l'un relativement à l'autre sont disposés, et entre ceux-ci, une commande de positionnement (49) avec des moyens de positionnement (48) est disposée qui maintient les éléments de verrouillage (13) en position de verrouillage et qui réalise une liaison d'entraînement pour le déplacement simultané diamétralement opposé des éléments de verrouillage (13) dans une position de déverrouillage.
  2. Outil de cintrage selon la revendication 1, caractérisé en ce que les moyens de positionnement (48) de la commande de positionnement (49) sont formés par un ressort de traction spirale (38) contraignant les éléments de verrouillage (13) l'un vers l'autre et par un poussoir de pression (27) réalisant entre les faces d'application (31) orientées l'une vers l'autre des éléments de verrouillage (13) un coin de positionnement (30), logé d'une manière déplaçable dans l'outil de cintrage (3) dans un agencement de guidage (25) s'étendant perpendiculairement à une direction de déplacement des éléments de verrouillage (13), précontraint par un ressort de pression (29) en direction des éléments de verrouillage (13).
  3. Outil de cintrage selon la revendication 1, caractérisé en ce que les moyens de positionnement (48) de la commande de positionnement (49) sont formés par au moins un ressort de pression spirale (83) disposé entre les éléments de verrouillage (13) et un pignon (87) en prise avec les éléments dentés opposés (86) aux éléments de verrouillage (13), logé d'une manière tournante en position fixe.
  4. Outil de cintrage selon la revendication 1, caractérisé en ce que les moyens de positionnement (48) de la commande de positionnement (49) sont formés par le ressort de pression spirale (83) disposé entre les éléments de verrouillage (13) et un agencement à leviers croisés (91).
  5. Outil de cintrage selon la revendication 1, caractérisé en ce que les moyens de positionnement (48) de la commande de positionnement (49) sont formés par le ressort de pression spirale (83) disposé entre les éléments de verrouillage (13) et un boulon tournant (102) en prise avec les taraudages (104) des éléments de verrouillage (13), présentant un filetage (103).
  6. Outil de cintrage selon l'une ou plusieurs des revendications 1 à 5, caractérisé en ce que les éléments de verrouillage (13) et les moyens de positionnement (48) sont disposés dans un boîtier (81, 99) recevant ceux-ci, qui est disposé d'une manière fixe dans un perçage (82) traversant l'outil de cintrage (3) dans le sens de l'épaisseur.
  7. Outil de cintrage selon l'une ou plusieurs des revendications 1 à 6, caractérisé en ce qu'une force de pression (selon la flèche 33) appliquée par le ressort de pression (29) au poussoir de pression (27) respectivement une composante de force (selon la flèche 34) agissant sur les éléments de verrouillage (13) par le coin de positionnement (30), quant à la somme, sont plus grandes qu'une force de traction (selon la flèche 36) du ressort de traction spirale (38) agissant entre les éléments de verrouillage (13).
  8. Outil de cintrage selon l'une ou plusieurs des revendications 1 à 7, caractérisé en ce que dans la direction d'une longueur d'outil à une distance, plusieurs éléments de verrouillage (13) avec des boîtiers (81, 99) recevant les poussoirs de pression (27) ou la commande de positionnement (49) sont disposés.
  9. Outil de cintrage selon l'une ou plusieurs des revendications 1 à 8, caractérisé en ce que le poussoir de pression (27) et/ou les éléments de verrouillage (13) sont formés par des boulons cylindriques (18) et les agencements de guidage (12, 25) par des perçages (20).
  10. Outil de cintrage selon l'une ou plusieurs des revendications 1 à 9, caractérisé en ce que le poussoir de pression (27) et/ou des éléments de verrouillage (13) sont disposés dans les perçages (20) d'une manière assurée à l'encontre d'une rotation.
  11. Outil de cintrage selon l'une ou plusieurs des revendications 1 à 10, caractérisé en ce qu'une sécurité à l'encontre d'une rotation (21) est formée par des chevilles (23) s'engageant dans les rainures de guidage (22) s'étendant dans la direction longitudinale de l'agencement de guidage (12, 25), en particulier du perçage (20), reliées d'une manière immobile aux éléments de verrouillage (13) et/ou aux poussoirs de pression (27).
  12. Outil de cintrage selon l'une ou plusieurs des revendications 1 à 11, caractérisé en ce que la sécurité à l'encontre d'une rotation (21) forme un agencement de butée pour le déplacement des éléments de verrouillage (13).
  13. Outil de cintrage selon une ou plusieurs des revendications 1 à 12, caractérisé en ce que le poussoir de pression (27) et/ou les éléments de verrouillage (13) et les perçages (20) formant les agencements de guidage (12, 25) ont une section transversale polygonale, ovale etc.
  14. Outil de cintrage selon l'une ou plusieurs des revendications 1 à 13, caractérisé en ce qu'une longueur totale de l'élément de verrouillage (13) est plus petite que la moitié de l'épaisseur de l'outil de cintrage (3).
  15. Outil de cintrage selon l'une ou plusieurs des revendications 1 à 14, caractérisé en qu'un chemin de déplacement de l'élément de verrouillage (13) correspond au moins à une longueur du bout rapporté de verrou (19).
  16. Outil de cintrage selon l'une ou plusieurs des revendications 1 à 15, caractérisé en ce qu'un angle central (41) du coin de positionnement (30) est compris entre 15° et 120°.
  17. Outil de cintrage selon l'une ou plusieurs des revendications 1 à 16, caractérisé en ce qu'une force du ressort de pression (29) est réglable par un élément de positionnement (39) modifiable par la tension du ressort.
  18. Outil de cintrage selon l'une ou plusieurs des revendications 1 à 17, caractérisé en ce que la force de traction agissant par le moyen de traction (37) sur les éléments de verrouillage (13) est plus petite qu'une force de déplacement nécessaire pour surmonter les forces de friction entre les bouts rapportés de verrou (19) et les faces d'application (42) du logement de verrouillage (17) pour déplacer les éléments de verrouillage (13) dans la position de déverrouillage.
  19. Dispositif de réception d'outil (1) pour une presse plieuse (5), en particulier presse de pliage, avec au moins un outil de pliage (3) selon l'une ou plusieurs des revendications 1 à 18 et avec un dispositif de déverrouillage (44), caractérisé en ce que le dispositif de déverrouillage (44) est formé par un profil de recouvrement (62) s'étendant sur une face latérale (61) du logement d'outil (8) dans la direction longitudinale de celui-ci, formant des lamelles de ressort coudées (63).
  20. Dispositif de réception d'outil selon la revendication 19, caractérisé en ce que les lamelles de ressort (63) traversent avec une branche coudée (64) des perçages (65) dans le logement d'outil (8) dans la direction des éléments de verrouillage (13).
  21. Dispositif de réception d'outil selon la revendication 19 ou 20, caractérisé en ce qu'un profil d'actionnement (67) pourvu de languettes élastiques (66) est disposé dans le logement de verrouillage en forme de rainure (17).
  22. Dispositif de réception d'outil selon l'une ou plusieurs des revendications 19 à 21, caractérisé en ce que les languettes élastiques (66) au profil d'actionnement (67) sont associées au bout rapporté (19) des éléments de verrouillage (13).
  23. Dispositif de réception d'outil selon l'une ou plusieurs des revendications 19 à 22, caractérisé en ce que le dispositif de déverrouillage (44) pour les éléments de verrouillage (13) disposé dans le logement d'outil (8) est formé par au moins un moyen d'actionnement (45) déplaçable dans la direction de déplacement de l'élément de verrouillage (13).
  24. Dispositif de réception d'outil selon l'une ou plusieurs des revendications 19 à 23, caractérisé en ce que le moyen d'actionnement (45) est déplaçable contre l'effet d'un agencement de ressort (46) dans la direction de l'élément de verrouillage (13).
  25. Dispositif de réception d'outil selon l'une ou plusieurs des revendications 19 à 24, caractérisé en ce que le moyen d'actionnement (45) est déplaçable dans la direction d'axe de l'élément de verrouillage (13).
  26. Dispositif de réception d'outil selon l'une ou plusieurs des revendications 19 à 25, caractérisé en ce qu'un levier de positionnement (48) est disposé dans le dispositif de réception d'outil (1) pour le déplacement du moyen d'actionnement (45).
  27. Dispositif de réception d'outil selon l'une ou plusieurs des revendications 19 à 26, caractérisé en ce que plusieurs moyens d'actionnement (45) sont déplaçables conjointement par un agencement de leviers de positionnement.
  28. Dispositif de réception d'outil selon l'une ou plusieurs des revendications 19 à 27, caractérisé en ce que le moyen d'actionnement (45) est un vérin de pression (52) pouvant être chargé par un milieu sous pression.
  29. Dispositif de réception d'outil selon l'une ou plusieurs des revendications 19 à 28, caractérisé en ce que le moyen d'actionnement (45) est formé par un boulon de pression (78) pouvant être inséré dans un perçage (73) dans l'outil de cintrage (3) s'étendant à angle droit à une direction de déplacement du poussoir de pression (27).
  30. Dispositif de réception d'outil selon l'une ou plusieurs des revendications 19 à 29, caractérisé en ce que le poussoir de pression (27) est pourvu d'un prolongement de positionnement (70) faisant saillie dans la direction de déplacement dans le perçage (73) du boulon de pression (78).
  31. Dispositif de réception d'outil selon l'une ou plusieurs des revendications 19 à 30, caractérisé en ce que le prolongement de positionnement (70) est traversé par le ressort de traction spirale (38) disposé entre les éléments de verrouillage (13) dans un trou oblong (76) d'une zone de liaison (74) du prolongement de positionnement (70).
  32. Dispositif de réception d'outil selon l'une ou plusieurs des revendications 19 à 31, caractérisé en ce que le prolongement de positionnement (70) et le boulon de pression (78) présentent des faces de contact (80) s'étendant selon un angle, en particulier selon un angle de 45°, à la direction de déplacement du poussoir de pression (27).
  33. Dispositif de réception d'outil selon l'une ou plusieurs des revendications précédentes, caractérisé en ce que le dispositif de déverrouillage (44) est formé par un agencement de poussoir (110) disposé dans le dispositif de réception (1) d'outil.
  34. Dispositif de réception d'outil selon la revendication 33, caractérisé en ce que par le poussoir (111), sur un boulon de pression (114) logé d'une manière déplaçable dans un perçage (113) en direction de l'outil de pliage (3), une force de déplacement est applicable à la languette élastique (66) et ainsi au boulon (18) faisant saillie sur la face latérale (14) de l'outil de verrouillage (3) avec le bout rapporté de verrou (19).
  35. Dispositif de réception d'outil selon la revendication 34, caractérisé en ce qu'une force de rappel a lieu sur le poussoir (111) par le boulon de pression (114) sollicité par ressort.
EP03794687A 2002-09-16 2003-09-16 Outil de cintrage et dispositif porte-outil associe Expired - Lifetime EP1539391B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT03794687T ATE345885T1 (de) 2002-09-16 2003-09-16 Biegewerkzeug und werkzeugaufnahmevorrichtung hierfür

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
AT0138302A AT411819B (de) 2002-09-16 2002-09-16 Biegewerkzeug und werkzeugaufnahmevorrichtung für ein solches
AT13832002 2002-09-16
PCT/AT2003/000273 WO2004024361A1 (fr) 2002-09-16 2003-09-16 Outil de cintrage et dispositif porte-outil associe

Publications (2)

Publication Number Publication Date
EP1539391A1 EP1539391A1 (fr) 2005-06-15
EP1539391B1 true EP1539391B1 (fr) 2006-11-22

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EP03794687A Expired - Lifetime EP1539391B1 (fr) 2002-09-16 2003-09-16 Outil de cintrage et dispositif porte-outil associe

Country Status (5)

Country Link
EP (1) EP1539391B1 (fr)
AT (2) AT411819B (fr)
AU (1) AU2003265705A1 (fr)
DE (1) DE50305783D1 (fr)
WO (1) WO2004024361A1 (fr)

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AT414327B (de) * 2003-05-14 2007-09-15 Trumpf Maschinen Austria Gmbh Werkzeugaufnahmevorrichtung
US7661288B2 (en) 2003-07-01 2010-02-16 Wilson Tool International Inc. Press brake tool safety key assemblies
US7004008B2 (en) * 2003-07-01 2006-02-28 Wilson Tool International, Inc. Press brake tool having lockable safety key
US7021116B2 (en) 2003-12-19 2006-04-04 Wilson Tool International, Inc. Press brake tooling technology
US7296457B2 (en) * 2004-06-25 2007-11-20 Wilson Tool International Inc. Thermally-actuated press brake tool holder technology
US7308817B2 (en) * 2005-02-08 2007-12-18 Wilson Tool International Inc. Push plate tool holder for press brakes
US7721586B2 (en) 2005-02-08 2010-05-25 Wilson Tool International Inc. Press brake tool seating technology
CA2611564A1 (fr) * 2005-06-10 2006-12-21 Terry G. Pabich Outil de frein a pression integrant un siege et/ou un mecanisme de blocage
US7596983B2 (en) 2005-07-11 2009-10-06 Wilson Tool International Inc. Press brake clamp incorporating tool-seating mechanism
DE602005025944D1 (de) * 2005-11-11 2011-02-24 Wila Bv Formwerkzeug mit feststellmitteln für das betätigungsglied des sicherheitsglieds
ES2356911T3 (es) * 2006-06-01 2011-04-14 Wila B.V. Herramienta con un dispositivo de seguridad automático.
EP1864752B1 (fr) 2006-06-07 2011-02-02 Wila B.V. Outil et porte-outil, comprenant un système d'échange de données
AT514078B1 (de) * 2013-06-20 2014-10-15 Trumpf Maschinen Austria Gmbh Biegewerkzeug
AT515526B1 (de) * 2014-08-12 2015-10-15 Trumpf Maschinen Austria Gmbh Biegewerkzeug und Greifvorrichtung zum Manipulieren des Biegewerkzeuges
CN104550485A (zh) * 2015-02-09 2015-04-29 南通超力卷板机制造有限公司 一种可伸缩折弯机上刀
US10646913B2 (en) 2015-02-09 2020-05-12 Mate Precision Tooling, Inc. Punch assembly with replaceable punch tip
CN104607547A (zh) * 2015-02-09 2015-05-13 江苏宏威重工机床制造有限公司 一种可旋转折弯机上刀
USD822725S1 (en) 2015-12-31 2018-07-10 Mate Precision Tooling, Inc. Punch insert
USD820328S1 (en) 2015-12-31 2018-06-12 Mate Precision Tooling, Inc. Punch insert
CN106734578B (zh) * 2016-11-25 2018-06-22 盐城工学院 一种纵置装配夹紧装置
AT519231B1 (de) 2016-12-21 2018-05-15 Trumpf Maschinen Austria Gmbh & Co Kg Werkzeugmagazin für eine Biegemaschine
IT201800006254A1 (it) * 2018-06-12 2019-12-12 Utensile per una pressa piegatrice

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NL9100034A (nl) * 1991-01-10 1992-08-03 Wila Maschf Bv Kantpersgereedschap, en een adaptor en een kantpers daarvoor.
DK199901582A (da) * 1999-11-03 2001-05-04 Thm Vaerktoej As Pladebukkemaskine, henholdsvis værktøjsholderdel og bukkeværktøj til samme

Also Published As

Publication number Publication date
AT411819B (de) 2004-06-25
ATE345885T1 (de) 2006-12-15
EP1539391A1 (fr) 2005-06-15
WO2004024361A1 (fr) 2004-03-25
ATA13832002A (de) 2003-11-15
DE50305783D1 (de) 2007-01-04
AU2003265705A1 (en) 2004-04-30

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