EP3722019B1 - Aide au montage d'outil - Google Patents

Aide au montage d'outil Download PDF

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Publication number
EP3722019B1
EP3722019B1 EP19168429.9A EP19168429A EP3722019B1 EP 3722019 B1 EP3722019 B1 EP 3722019B1 EP 19168429 A EP19168429 A EP 19168429A EP 3722019 B1 EP3722019 B1 EP 3722019B1
Authority
EP
European Patent Office
Prior art keywords
drive element
drive
tool
changing plate
tool changing
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
EP19168429.9A
Other languages
German (de)
English (en)
Other versions
EP3722019A1 (fr
EP3722019C0 (fr
Inventor
Marc Stämpfli
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.)
Feintool International Holding AG
Original Assignee
Feintool International Holding AG
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 Feintool International Holding AG filed Critical Feintool International Holding AG
Priority to ES19168429T priority Critical patent/ES2951563T3/es
Priority to EP19168429.9A priority patent/EP3722019B1/fr
Priority to CA3074486A priority patent/CA3074486A1/fr
Priority to JP2020045944A priority patent/JP2020171963A/ja
Priority to US16/843,875 priority patent/US11691372B2/en
Priority to CN202010277565.XA priority patent/CN111805961B/zh
Publication of EP3722019A1 publication Critical patent/EP3722019A1/fr
Application granted granted Critical
Publication of EP3722019C0 publication Critical patent/EP3722019C0/fr
Publication of EP3722019B1 publication Critical patent/EP3722019B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
    • B30B15/02—Dies; Inserts therefor; Mounting thereof; Moulds
    • B30B15/028—Loading or unloading of dies, platens or press rams
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
    • B30B15/02—Dies; Inserts therefor; Mounting thereof; Moulds
    • B30B15/026—Mounting of dies, platens or press rams
    • 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
    • B21D37/00—Tools as parts of machines covered by this subclass
    • B21D37/14—Particular arrangements for handling and holding in place complete dies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J13/00—Details of machines for forging, pressing, or hammering
    • B21J13/08—Accessories for handling work or tools
    • B21J13/085—Accessories for handling work or tools handling of tools
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T483/00—Tool changing
    • Y10T483/17—Tool changing including machine tool or component
    • Y10T483/1729—Reciprocating tool machine tool [e.g., broaching machine, shaping machine, etc.]

Definitions

  • the invention relates to a tool installation aid for installing a tool in a press, in particular a fineblanking press according to the preamble of claim 1.
  • Such tool installation aids are known in principle in the prior art, for example from the publications U.S.A. 4,395,944 and CN 101 722 674 A . They are used to transfer a tool from a press to a press by means of a tool changing plate in or on which the tool is attached, in particular to the press table or the clamping plate of the press, in order to put the tool in the press into operation. For example, this is provided when a previous tool is worn out and has to be replaced with a new tool.
  • a tool changing plate is transferred from an area in front of the press into the press by means of a drive device, in particular a motorized drive device, which moves the tool changing plate in a horizontal plane into the press.
  • drive devices for the transfer of the tool changing plate are separate units, which are expensive and take up a lot of space in front of the press.
  • drive devices can be designed as motor-driven push link chains that exert a push force on the tool changing plate in order to move it into the press, in particular onto its clamping plate.
  • a tool installation aid of the type mentioned at the outset which includes a holding bracket which can be attached to the stand/frame of a press and which also includes a tool changing plate in or on which a tool to be changed can be attached, in particular in its recess changing tool can be used, wherein the tool changing plate can be placed on a receiving element of the holding console and is further developed by the characterizing features of claim 1.
  • the receiving element can be arranged with an area carrying the tool changing plate in the same plane as the receiving plane of the clamping platen of the press onto which the tool with the tool changing plate is to be transferred.
  • the tool changing plate can be transferred from the receiving element in the direction and onto the clamping plate of the press.
  • a drive device in particular a motor-driven or manually drivable drive device, is arranged in the tool changing plate, with which the tool changing plate can be displaced on the receiving element, in particular in the direction of the stand/frame, preferably from the receiving element onto the clamping plate of the stand / frame can be transferred.
  • the drive device of the tool changing plate comprises at least one driven first drive element
  • the receiving element comprises at least one non-driven second drive element, which is used to move the tool changing plate are operatively connected.
  • the second drive element itself is not driven to move the tool change plate, it is referred to as a drive element because it forms part of the kinematic drive train that is used to move the tool change plate.
  • the at least one second drive element is thus a passive element which is itself at rest, ie stationary, during the movement of the tool changing plate.
  • the drive for moving the tool changing plate is not separate from the tool changing plate, but in the invention a drive device is integrated into the tool changing plate.
  • the at least one first drive element mentioned can be driven relative to the receiving element, in particular directly if, for example, the drive device of the tool changing plate already includes a motor, or at least indirectly if a motor is not integrated in the tool changing plate, for example, but is external to it.
  • an indirect drive can, for example, take place in such a way that an external motor or a manually operated element, e.g. via a coupling element on the tool changing plate, transmits a driving force or a driving torque to the tool changing plate, with the drive device of the tool changing plate being provided to transmit the force or torque to the at least one first driven drive member.
  • the drive device of the tool changing plate can thus be designed as a force or torque transmission system, e.g. as a gear, for force or torque transmission between the coupling element and the at least one first drive element.
  • the operative connection between the at least one driven first drive element and the non-driven at least one second drive element on the receiving element causes a force or torque transmission between the tool changing plate and the Recording element, so that the tool change plate can be moved relative to the stationary to the press recording element through this transmission.
  • the at least partial integration of the drive device, that is to say possibly down to the motor or a manual actuating element, in the tool change plate reduces the requirements for the installation space required for a drive device in front of the press.
  • a motor for driving the tool changing plate does not have to be arranged stationary to the press, since in the invention the force acting for the drive unfolds between the tool changing plate and the receiving element, which in turn is connected to the press. The driving forces therefore actually act directly between the die change plate and the press. This means that a motor can also be moved with the tool change plate.
  • the at least one non-driven second drive element can be brought from a rest position into a working position, the at least one second drive element being operatively connected to the at least one first drive element only in the working position.
  • Rest and working positions are positions that the at least one second drive element assumes on the receiving element.
  • the drive element can be transferred between the two positions by means of a rotational movement relative to the receiving element. Since there is no operative connection between the at least one first and second drive element in the rest position, this rest position can be provided, for example, for the tool changing plate to be placed on the receiving element hang up, after which it is initially freely displaceable on the receiving element, in particular in the horizontal direction.
  • the at least one second non-driven drive element is transferred from the rest position to the working position, this creates an operative connection between the at least one first and second drive element, in particular they engage with one another.
  • the tool changing plate is no longer freely displaceable, but now displaceable with its integrated drive device in the direction of the press and away from the press.
  • the invention can provide that at least one driven front first drive element and at least one driven rear first drive element are arranged on the tool changing plate with respect to the displacement direction, in particular the direction towards the press, with the front and rear first drive elements being driven synchronously. Front and rear first drive element are both part of the drive device of the tool changing plate.
  • the force or torque for moving the tool changing plate can be transmitted to at least two driven first drive elements spaced apart in the displacement direction to a non-driven second drive element, in particular what evenly distributes the force transmission to several points.
  • the at least one front and the at least one rear first drive element are operatively connected at the same time to the same second drive element and in a second to the first only the at least one rear first drive element is operatively connected to the second drive element.
  • the at least one front first drive element can thus disengage from the second drive element solve, the drive is still guaranteed via the at least one rear first drive element. There is thus no power interruption, although the tool change plate moves out of the receiving element.
  • the at least one front first drive element can be brought into operative connection with at least one third non-driven drive element on the press, in particular when the tool installation aid is fastened to a press with at least one third non-driven drive element of the press .
  • the front first drive element thus disengages from the second drive element during transfer to the press and comes into operative connection with a third undriven drive element of the press, in particular while the at least one rear first drive element is continuously operatively connected with the second drive element.
  • the at least one front and rear first drive element have no operative connection to the at least one second drive element, particularly in the third displacement area when the tool installation aid is attached to a press at least one front and one rear first drive element are simultaneously operatively connected to at least one third non-driven drive element on the press.
  • the tool changing plate thus moves from the receiving element into the press, with the driving force initially being supported only on the receiving element, then simultaneously on the receiving element and the press and ultimately only on the press.
  • the invention can preferably provide that at least one front and at least one rear first drive element is arranged on the tool changing plate on each of the two opposite side walls running parallel to the direction of displacement, in particular the respective second drive element arranged along the respective side wall on the receiving element Drive element are operatively connected to the shift.
  • the tool changing plate can be moved in the desired direction of displacement particularly well without tilting.
  • the invention provides that the at least one first drive element, in particular the at least one front and rear first drive element, is designed as a driven gear and the at least one second, in particular also the third drive element is designed as a toothed rack meshing with it.
  • the receiving element has two opposite toothed racks as second, non-driven drive elements, between which the tool changing plate is arranged, with front and rear teeth protruding towards the toothed rack and meshing with it in a respective side wall of the tool changing plate, which is opposite a toothed rack Gears are provided as the respective first driven drive element.
  • the driving forces are thus transmitted outwards from the tool changing plate at at least four points, initially only to the receiving element, then to the receiving element and the press and then only to the press.
  • toothed racks are arranged opposite one another as the respective third drive element in such a way that the toothed racks of the third and second drive elements are aligned with one another and are positioned tooth-synchronously.
  • the respective toothed rack of the second drive element is, according to the invention, parallel to the displacement direction and parallel to the Rack extension axis of rotation lying be pivoted from the rest position to the working position.
  • the driven front and rear gears of the first drive elements on the two side walls of the tool changing plate are more preferably each attached to a common first drive shaft, and each first drive shaft is coupled at its rear end in the direction of displacement to a respective second drive shaft lying perpendicular thereto, in particular via bevel gears .
  • a rotary motion generated manually or by a motor can be transmitted to the second drive shaft via a rotatable coupling element, which is arranged on an end wall of the tool changing plate perpendicular to the side walls, in particular via a gear, such as an angular gear or worm gear.
  • a motor attached to the coupling element or a hand crank all at least four gears can be rotated, which are arranged at the front and rear in the displacement direction on a respective side wall of the tool changing plate.
  • the receiving element can be attached in an articulated manner to support brackets of the holding bracket.
  • the receiving element can, for example, be swiveled through 90 degrees from an initially parallel position between two preferably vertical support supports and then be fixed, e.g. by means of fixing struts, which are located between the lower end of the support support and that of the Press opposite end of the receiving element extend.
  • this can have fastening elements, in particular which protrude in the direction of the press and which can engage in corresponding fastening elements of the press.
  • the tool installation aid 1 comprises two vertical supports 1b, at the upper end of which a receiving element 1a is articulated, so that the receiving element 1a can be folded out into the horizontal position shown here.
  • the horizontal alignment of the receiving element 1a is secured with the fixing struts 1c.
  • a holding bracket 1 is formed from the receiving element 1a, the support brackets 1b and the fixing struts 1c.
  • the two vertical supports 1b of the holding bracket 1 are firmly connected to the press stand 2.
  • the receiving plane 1e can be aligned with the two eccentric bolts 1g, via which the fixing struts 1c are connected at the lower end to the support brackets 1b. After this, the receiving plane 1e is aligned with the level of the press bed or the platen 2a.
  • the recording level 1e is the level that the rollers 1f of the Recording element 1a affected in the upper positions.
  • a tool changing plate 3 can be moved in the direction of the press 2 on these rollers 1f.
  • the tool changing plate 3 has in the embodiment shown Figures 1a to 3a a recess 3c on or above which a tool can be fastened, which is not shown in these figures.
  • Figure 3b shows an example of the design of a possible tool 3d, which is attached to the tool changing plate 3 and can be moved into and out of the press together with it.
  • Two gear wheels are arranged in each of the two side walls 3a of the tool changing plate 3, the gear wheel 6a being arranged at the front with respect to the displacement direction pointing towards the press, and the gear wheel 6b at the rear.
  • the gears 6a and 6b in each of the two side walls 3a thus form front and rear first driven driving elements. These are synchronously driven by the shafts 6c and 6d, which can be set in rotation by means of the coupling element 10 on the end face 3b facing away from the press 2.
  • a hand crank or a motor can be attached to the coupling element.
  • the coupling element 10 has a gear 6f, which rotates the two shafts 6d parallel to the end wall, which in turn drive the shafts 6c via bevel gears in the corners of the tool changing plate 3.
  • Corresponding toothed racks 7 run parallel to the side walls 3a, which are arranged on the receiving element 1a and can be pivoted there about the axes of rotation 9 between a rest position and a working position. In the working position, the gears 6 mesh in the racks 7.
  • the gears 6 can all be set in rotation synchronously, so that they can move forwards or backwards in the toothed racks 7 in the direction of the press and thereby move the tool changing plate 3 forwards or backwards.
  • the front gears 6a When moving in the direction of the press, the front gears 6a disengage from the respective racks 7 from a certain range of movement, but the rear gears 6b remain engaged and ensure the feed. Thereafter, the front gears 6a engage with the racks 8 on the press 2 above the platen 2a, so that the driving force or torque is directly transmitted to the press.
  • the associated position of the tool changing plate is in the Figure 1b shown.
  • a motor can, for example, be designed in a simple design as a cordless screwdriver or a compressed air motor with practically no space requirements.
  • a motor can also be designed as a 2-channel secured drive.
  • the invention can therefore be implemented very compactly and inexpensively compared to the prior art, since the essential components of the drive device are already integrated in the die changing plate and the driving forces/torques act directly between the die changing plate and the receiving element or the press and no external support require.
  • the receiving element 1a can be folded onto the press frame 2 to save space when it is not required.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Press Drives And Press Lines (AREA)
  • Mounting, Exchange, And Manufacturing Of Dies (AREA)
  • Polarising Elements (AREA)
  • Cutting Tools, Boring Holders, And Turrets (AREA)

Claims (8)

  1. Aide au montage d'outil pour le montage d'un outil (3d) dans une presse, en particulier une presse de découpage fin comprenant :
    a. une console de retenue (1) qui peut être fixée à l'ossature/au bâti (2) d'une presse,
    b. une plaque de changement d'outil (3), dans ou à laquelle un outil (3d) devant être changé peut être fixé, la plaque de changement d'outil (3) pouvant être placée sur un élément de réception (1a) de la console de retenue (1),
    c. un dispositif d'entraînement (4) étant disposé dans la plaque de changement d'outil (3), dispositif à l'aide duquel la plaque de changement d'outil (3) peut être déplacée sur l'élément de réception (1a),
    d. le dispositif d'entraînement (4) de la plaque de changement d'outil (3) comprenant au moins un premier élément d'entraînement (6) entraîné et l'élément de réception (1a) comprenant au moins un deuxième élément d'entraînement (7) non entraîné, lesquels sont reliés fonctionnellement pour le déplacement de la plaque de changement d'outil (3),
    e. l'au moins un premier élément d'entraînement (6a) étant réalisé sous forme de roue dentée entraînée et l'au moins un deuxième élément d'entraînement (7) étant réalisé sous forme de crémaillère en prise par engrènement avec celle-ci,
    caractérisée en ce que
    f. la crémaillère du deuxième élément d'entraînement (7) peut être pivotée d'une position de repos à une position de travail autour d'un axe de rotation (9) situé parallèlement à la direction de déplacement et parallèlement à l'étendue de la crémaillère et l'au moins un deuxième élément d'entraînement (7) n'est relié fonctionnellement à l'au moins un premier élément d'entraînement (6) que dans la position de travail.
  2. Aide au montage d'outil selon la revendication 1, caractérisée en ce qu'au moins un premier élément d'entraînement avant (6a) entraîné et au moins un premier élément d'entraînement arrière (6b) entraîné, par rapport à la direction de déplacement, sont disposés sur la plaque de changement d'outil (3), les éléments d'entraînement avant et arrière (6a, 6b) étant entraînés de manière synchrone et l'au moins un premier élément d'entraînement avant et l'au moins un premier élément d'entraînement arrière (6a, 6b) étant réalisés sous forme de roue dentée entraînée et l'au moins un deuxième élément d'entraînement (7) étant réalisé sous forme de crémaillère en prise par engrènement avec ceux-ci.
  3. Aide au montage d'outil selon la revendication 2, caractérisée en ce que dans une première région de déplacement, en particulier dans une région de déplacement initiale, l'au moins un élément d'entraînement avant (6a) et l'au moins un élément d'entraînement arrière (6b) sont reliés fonctionnellement simultanément au même deuxième élément d'entraînement (7) et, dans une deuxième région de déplacement suivant la première région de déplacement dans la direction de déplacement, seulement l'au moins un premier élément d'entraînement arrière (6b) est relié fonctionnellement au deuxième élément d'entraînement (7) .
  4. Aide au montage d'outil selon la revendication 3, caractérisée en ce que, dans une troisième région de déplacement qui suit la deuxième région de déplacement dans la direction de déplacement, l'au moins un premier élément d'entraînement avant et l'au moins un premier élément d'entraînement arrière (6a, 6b) ne présentent aucune liaison fonctionnelle par rapport à l'au moins un deuxième élément d'entraînement (7).
  5. Aide au montage d'outil selon l'une des revendications précédentes, caractérisée en ce qu'au moins un premier élément d'entraînement avant et au moins un premier élément d'entraînement arrière (6a, 6b) sont disposés sur la plaque de changement d'outil (3) sur chacune des deux parois latérales (3a) se faisant face et s'étendant parallèlement à la direction de déplacement, lesquels sont en particulier reliés fonctionnellement à au moins un deuxième élément d'entraînement (7) respectif disposé le long de la paroi latérale (3a) respective sur l'élément de réception (1a), pour le déplacement.
  6. Aide au montage d'outil selon l'une des revendications précédentes et la revendication 2, caractérisée en ce que les roues dentées avant et arrière entraînées des premiers éléments d'entraînement (6a, 6b) sont fixées respectivement sur un premier arbre d'entraînement (6c) commun, et chaque premier arbre d'entraînement (6c) est, à son extrémité (6c') arrière dans la direction déplacement, accouplé à un deuxième arbre d'entraînement (6d) respectif situé perpendiculairement à celui-ci, en particulier par le biais de roues dentées coniques (6e).
  7. Aide au montage d'outil selon la revendication 6, caractérisée en ce que, par le biais d'un élément d'accouplement rotatif (10), qui est disposé sur une paroi frontale (3b), située perpendiculairement aux parois latérales (3a), de la plaque de changement d'outil (3), un mouvement de rotation produit manuellement ou par un moteur peut être transmis aux deuxièmes arbres d'entraînement (6d), en particulier par le biais d'une transmission (6f).
  8. Aide au montage d'outil selon l'une des revendications précédentes, caractérisée en ce que l'élément de réception (1a) est fixé de manière articulée à des montants de support (1b) de la console de retenue (1) .
EP19168429.9A 2019-04-10 2019-04-10 Aide au montage d'outil Active EP3722019B1 (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
ES19168429T ES2951563T3 (es) 2019-04-10 2019-04-10 Ayuda para la instalación de herramientas
EP19168429.9A EP3722019B1 (fr) 2019-04-10 2019-04-10 Aide au montage d'outil
CA3074486A CA3074486A1 (fr) 2019-04-10 2020-03-04 Aide a l`installation de l`outil
JP2020045944A JP2020171963A (ja) 2019-04-10 2020-03-17 工具組込み補助体
US16/843,875 US11691372B2 (en) 2019-04-10 2020-04-08 Tool installation aid
CN202010277565.XA CN111805961B (zh) 2019-04-10 2020-04-10 刀具安装辅助装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP19168429.9A EP3722019B1 (fr) 2019-04-10 2019-04-10 Aide au montage d'outil

Publications (3)

Publication Number Publication Date
EP3722019A1 EP3722019A1 (fr) 2020-10-14
EP3722019C0 EP3722019C0 (fr) 2023-06-07
EP3722019B1 true EP3722019B1 (fr) 2023-06-07

Family

ID=66105063

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19168429.9A Active EP3722019B1 (fr) 2019-04-10 2019-04-10 Aide au montage d'outil

Country Status (6)

Country Link
US (1) US11691372B2 (fr)
EP (1) EP3722019B1 (fr)
JP (1) JP2020171963A (fr)
CN (1) CN111805961B (fr)
CA (1) CA3074486A1 (fr)
ES (1) ES2951563T3 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113458914B (zh) * 2021-07-15 2022-06-14 安徽新境界自动化技术有限公司 一种机器人打磨用刀具快速更换系统

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CA3074486A1 (fr) 2020-10-10
EP3722019C0 (fr) 2023-06-07
JP2020171963A (ja) 2020-10-22
US11691372B2 (en) 2023-07-04
ES2951563T3 (es) 2023-10-23
CN111805961A (zh) 2020-10-23
US20200324502A1 (en) 2020-10-15
CN111805961B (zh) 2023-10-03

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