EP3722019A1 - Aide au montage d'outil - Google Patents

Aide au montage d'outil Download PDF

Info

Publication number
EP3722019A1
EP3722019A1 EP19168429.9A EP19168429A EP3722019A1 EP 3722019 A1 EP3722019 A1 EP 3722019A1 EP 19168429 A EP19168429 A EP 19168429A EP 3722019 A1 EP3722019 A1 EP 3722019A1
Authority
EP
European Patent Office
Prior art keywords
drive element
tool
drive
press
change plate
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
EP19168429.9A
Other languages
German (de)
English (en)
Other versions
EP3722019C0 (fr
EP3722019B1 (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
    • B30B15/026—Mounting 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
    • B30B15/028—Loading or unloading 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 fine blanking press.
  • Such tool installation aids are basically known in the prior art. They are used to transfer a tool of a press to a press by means of a tool change plate in or to which the tool is attached, in particular to the press table or the platen of the press, in order to put the tool into operation in the press. E.g. this is provided when a previous tool is worn out and needs to be replaced with a new tool.
  • a tool change 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 change plate into the press in a horizontal plane.
  • drive devices for transferring the die change plate are separate units which are expensive and take up a lot of space in the area in front of the press.
  • Such drive devices can be designed as motor-driven push link chains that exert a pushing force on the die change plate in order to move it into the press, in particular on its clamping plate.
  • a tool installation aid which can be constructed more favorably and less space, preferably no extra space in an area in front of the press.
  • a tool installation aid that includes a holding bracket that can be fastened to the stand / frame of a press and that also includes a tool change plate in or on which a tool to be changed can be fastened, in particular in whose recess a tool to be changed can be inserted , wherein the tool change plate can be placed on a receiving element of the holding bracket.
  • the receiving element is arranged with an area carrying the tool change plate in the same plane as the receiving plane of the mounting plate of the press to which the tool with the tool change plate is to be transferred.
  • the tool change plate can be transferred from the receiving element in the direction of and onto the mounting plate of the press.
  • a drive device in particular a motorized or manually drivable drive device, is arranged in the tool change plate, with which the tool change plate can be moved on the receiving element, in particular in the direction of the stand / frame, preferably from the receiving element to the mounting plate of the stand / frame is transferable.
  • the drive device of the tool change plate comprises at least one driven first drive element
  • the receiving element comprises at least one non-driven second drive element, which are operatively connected to move the tool change plate.
  • the second drive element itself is not driven in order to move the tool change plate, it is referred to as a drive element because it represents part of the kinematic drive train that is used to move the tool change plate.
  • At least one The second drive element is thus a passive element that is stationary, that is to say stationary, during the movement of the tool change plate itself.
  • the drive for moving the tool change plate is not separate from the tool change plate, but rather a drive device is integrated into the tool change plate in the invention.
  • said at least one first drive element can be driven with respect to the receiving element, in particular directly, if e.g. the drive device of the tool change plate already comprises a motor or at least indirectly if a motor is e.g. is not integrated in the tool change plate, but is external to it.
  • an indirect drive e.g. take place in such a way that an external motor or a manually operated element, e.g. A driving force or a driving torque is transmitted into the tool change plate via a coupling element on the tool change plate, the drive device of the tool change plate being provided to transmit the force or the torque to the at least one first driven drive element.
  • the drive device of the tool change plate can thus be used as a power or torque transmission system, e.g. be designed as a transmission for the transmission of force or torque 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 change plate and the receiving element, so that through this transmission the tool change plate can be moved relative to the receiving element resting on the press .
  • the die change plate reduces the requirements for the space required for a drive device in front of the press.
  • a motor for driving the tool change plate does not have to be fixed to the press, since in the invention the force acting for the drive develops between the tool change 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.
  • a motor can also be moved with the tool change plate.
  • the invention can provide that 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 preferably positions which the at least one second drive element assumes on the receiving element. Between the two positions, the drive element can e.g. be transferred by means of a translatory and / or also 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 e.g. be provided for placing the tool change plate on the receiving element, after which it is initially freely displaceable on the receiving element, in particular in the horizontal direction.
  • the operative connection between the at least one first and second is created Drive element, in particular these come into engagement with one another.
  • the tool change plate is then no longer freely movable, but can now be moved with its integrated drive device in the direction of the press and away from the press.
  • the invention can provide in a preferred development that at least one driven front first drive element and at least one driven rear first drive element are arranged on the tool change 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.
  • the front and rear first drive elements are both part of the drive device of the tool change plate.
  • the at least one front and the at least one rear first drive element are simultaneously operatively connected 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 be released from engagement with the second drive element, the drive still being ensured via the at least one rear first drive element. There is thus no power interruption even though 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, especially when the tool installation aid is attached to a press, is in operative connection 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 the transfer to the press and comes into operative connection with a third non-driven drive element of the press, in particular while the at least one rear first drive element is continuously operative 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, in particular in the third displacement area when the tool installation aid is attached to a press at least one front and rear first drive element are simultaneously in operative connection with at least one third non-driven drive element on the press.
  • the tool change plate thus moves from the receiving element into the press, the driving force initially only being supported on the receiving element, then simultaneously on the receiving element and the press and ultimately only being supported 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 change plate on each of the two opposing side walls running parallel to the direction of displacement, in particular those with at least are operatively connected to a respective second drive element arranged along the respective side wall on the receiving element for displacement.
  • the tool change plate can be moved in the desired displacement direction without tilting particularly well.
  • 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 is.
  • the receiving element thus has two opposing toothed racks as second non-driven drive elements, between which the tool changing plate is arranged, with the front and rear protruding and meshing front and rear plates 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 to the outside of the tool change 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.
  • racks are arranged opposite one another as the respective third drive element in such a way that the racks of the third and second drive elements are aligned with one another and are positioned synchronously with each other.
  • the respective rack of the second drive element can preferably be pivotable from the rest position into the working position about an axis of rotation lying parallel to the direction of displacement and parallel to the extension of the rack.
  • the driven front and rear gears of the first drive elements on the two side walls of the tool change plate are further preferred each attached to a common first drive shaft, and each first drive shaft is coupled at its rear end in the displacement direction with a respective second drive shaft lying perpendicular thereto, in particular via bevel gears.
  • a rotating movement generated manually or by a motor can be transmitted to the second drive shafts via a rotatable coupling element, which is arranged on an end wall of the tool change 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 in the displacement direction at the front and rear on a respective side wall of the tool change plate.
  • the receiving element can be fastened in an articulated manner on support supports of the holding bracket.
  • the receiving element can e.g. can be pivoted through 90 degrees from an initially parallel position between two preferably vertical support supports and then fixed, e.g. by fixing struts which each extend between the lower end of the support and the end of the receiving element facing away from the press.
  • the receiving element facing the press 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.
  • a tool installation aid 1 for a press 2 is shown, which is shown here together with part of the press 2.
  • 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 opened 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 supports 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 their lower end to the supporting supports 1b. According to this, the receiving plane 1e is aligned with the plane of the press table or the clamping plate 2a.
  • the receiving plane 1e is the plane which is tangent to the rollers 1f of the receiving element 1a in the upper positions.
  • a die change plate 3 can be moved in the direction of the press 2 on these rollers 1f.
  • the tool change plate 3 has in the embodiment shown Figures 1a to 3a a recess 3c on or above which a tool can be attached, which in 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 change plate 3 and can be moved into and out of the press together with it.
  • each of the two side walls 3a of the tool change plate 3 two gear wheels are arranged, the gear wheel 6a being arranged at the front with respect to the shifting direction facing the press and the gear wheel 6b being arranged at the rear.
  • the gears 6a and 6b in each of the two side walls 3a thus form front and rear first driven drive elements. These are driven synchronously 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.
  • the coupling element e.g. a hand crank or a motor can be attached.
  • the coupling element 10 has a gear 6f which sets the two shafts 6d parallel to the end wall in rotation, which in turn drive the shafts 6c via bevel gears in the corners of the tool change plate 3.
  • the gears 6 By rotating the shaft in the coupling element 10, the gears 6 can all be set in rotation synchronously so that they can move forwards or backwards in the racks 7 in the direction of the press and move the tool change 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 above a certain movement distance, but the rear gears 6b remain in engagement and ensure the advance. Thereafter, the front gears 6a mesh with the racks 8 on the press 2 above the clamping plate 2a, so that the drive force or the drive torque is transmitted directly to the press.
  • the corresponding position of the tool change plate is in the Figure 1b shown.
  • a motor can e.g. be designed in a simple version as a cordless screwdriver or compressed air motor with virtually no space requirement.
  • a motor can also be designed as a 2-channel protected drive.
  • the invention is therefore very compact and inexpensive to implement compared to the state of the art, since the essential components of the drive device are already integrated in the tool change plate and the driving forces / torques act directly between the tool change plate and the receiving element or the press and no external support need.
  • the receiving element 1a can be folded onto the press frame 2 to save space when it is not needed.

Landscapes

  • 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)
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 true EP3722019A1 (fr) 2020-10-14
EP3722019C0 EP3722019C0 (fr) 2023-06-07
EP3722019B1 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

Citations (10)

* Cited by examiner, † Cited by third party
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US3368479A (en) * 1966-02-16 1968-02-13 Minster Machine Co Rolling bolster mechanism for a press
GB1472819A (en) * 1974-12-03 1977-05-11 Smg Dueddeutsche Maschinenbau Moving table
US4395944A (en) * 1980-10-22 1983-08-02 Maschinefabrik Koppern Gmbh & Co. K.G. Two roll press
US4614108A (en) * 1985-04-12 1986-09-30 Tek-Matik, Inc. Die cart
US5113684A (en) * 1990-10-22 1992-05-19 Connell Limited Partnershp Electronic braking system for power press die change carriers
DE19850999C1 (de) * 1998-11-05 2000-06-21 Mueller Weingarten Maschf Vorrichtung zum automatischen Wechseln von Werkzeugen für eine Umformpresse
CN101722674A (zh) * 2008-10-15 2010-06-09 扬州捷迈锻压机械有限公司 一种模具快速更换系统
DE202010003703U1 (de) * 2010-03-16 2010-09-30 Fmi Systems Gmbh Modular aufgebauter Werkzeugwechselwagen
CN106607671A (zh) * 2015-10-21 2017-05-03 扬州锻压机床股份有限公司 一种大型机床快速换模装置
DE112015004660T5 (de) * 2015-01-28 2017-07-27 Komatsu Industries Corporation Pressvorrichtung

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JPS5745058Y2 (fr) * 1979-06-05 1982-10-05
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US5129254A (en) * 1991-04-16 1992-07-14 Rheem Manufacturing Company Rollingly transportable press die apparatus
EP1138413A3 (fr) * 2000-03-29 2002-09-11 Murata Kikai Kabushiki Kaisha Presse avec fonction automatique de changement d' outils et dispositif de changement de cassette d' outils
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Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3368479A (en) * 1966-02-16 1968-02-13 Minster Machine Co Rolling bolster mechanism for a press
GB1472819A (en) * 1974-12-03 1977-05-11 Smg Dueddeutsche Maschinenbau Moving table
US4395944A (en) * 1980-10-22 1983-08-02 Maschinefabrik Koppern Gmbh & Co. K.G. Two roll press
US4614108A (en) * 1985-04-12 1986-09-30 Tek-Matik, Inc. Die cart
US5113684A (en) * 1990-10-22 1992-05-19 Connell Limited Partnershp Electronic braking system for power press die change carriers
DE19850999C1 (de) * 1998-11-05 2000-06-21 Mueller Weingarten Maschf Vorrichtung zum automatischen Wechseln von Werkzeugen für eine Umformpresse
CN101722674A (zh) * 2008-10-15 2010-06-09 扬州捷迈锻压机械有限公司 一种模具快速更换系统
DE202010003703U1 (de) * 2010-03-16 2010-09-30 Fmi Systems Gmbh Modular aufgebauter Werkzeugwechselwagen
DE112015004660T5 (de) * 2015-01-28 2017-07-27 Komatsu Industries Corporation Pressvorrichtung
CN106607671A (zh) * 2015-10-21 2017-05-03 扬州锻压机床股份有限公司 一种大型机床快速换模装置

Also Published As

Publication number Publication date
CA3074486A1 (fr) 2020-10-10
EP3722019C0 (fr) 2023-06-07
EP3722019B1 (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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