WO2008017425A1 - Unité de serrage rapide, système de serrage rapide, partie de machine ou de moule et moule de première ou de seconde transformation - Google Patents

Unité de serrage rapide, système de serrage rapide, partie de machine ou de moule et moule de première ou de seconde transformation Download PDF

Info

Publication number
WO2008017425A1
WO2008017425A1 PCT/EP2007/006883 EP2007006883W WO2008017425A1 WO 2008017425 A1 WO2008017425 A1 WO 2008017425A1 EP 2007006883 W EP2007006883 W EP 2007006883W WO 2008017425 A1 WO2008017425 A1 WO 2008017425A1
Authority
WO
WIPO (PCT)
Prior art keywords
quick
piston
clamping unit
sleeve member
locking
Prior art date
Application number
PCT/EP2007/006883
Other languages
German (de)
English (en)
Other versions
WO2008017425A8 (fr
Inventor
Andreas Hoch
Friedrich Kurz
Matthias Haag
Original Assignee
Schunk Gmbh & 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 Schunk Gmbh & Co. Kg filed Critical Schunk Gmbh & Co. Kg
Priority to EP07786546A priority Critical patent/EP2049314A1/fr
Publication of WO2008017425A1 publication Critical patent/WO2008017425A1/fr
Publication of WO2008017425A8 publication Critical patent/WO2008017425A8/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/1742—Mounting of moulds; Mould supports
    • B29C45/1743—Mounting of moulds; Mould supports using mounting means projecting from the back side of the mould or from the front side of the mould support
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
    • B23Q1/0063—Connecting non-slidable parts of machine tools to each other
    • B23Q1/0072—Connecting non-slidable parts of machine tools to each other using a clamping opening for receiving an insertion bolt or nipple
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
    • B23Q1/0063—Connecting non-slidable parts of machine tools to each other
    • B23Q1/0081—Connecting non-slidable parts of machine tools to each other using an expanding clamping member insertable in a receiving hole
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/30—Mounting, exchanging or centering
    • B29C33/305—Mounting of moulds or mould support plates

Definitions

  • the invention relates to a quick-release unit, in particular for locking of master or forming tools to Ur- or forming machines or for mutual locking tool parts of Ur- or forming tools.
  • the quick-release unit is locked to Verrieglung with a corresponding with the quick-clamping unit holding part.
  • the invention also relates to a
  • Quick-release system comprising a quick-release unit and an associated holding part.
  • the invention further relates to a master or forming tool and a master or forming machines with at least one quick-release unit and / or a quick-release system.
  • the tool halves are moved between a closed position in which the injection-molding compound is injected into the tool cavity and between an open position in which the injection-molded workpiece can be removed.
  • forging a blank is placed in the open mold and the halves of the tool joined together.
  • different master or forming tools with corresponding tool halves together with associated tool parts are to be provided on associated master or forming machines.
  • the present invention has for its object to provide a quick-release, with a simple way, a fast, large forces transmitting, functionally reliable and automatable locking and unlocking the quick-release unit with a corresponding with the quick-clamping unit holding part is possible.
  • the quick-release unit should not be damaged even when moving together of the quick-release unit and holding part in the locked state of the quick-release unit.
  • a quick-release unit having the features of patent claim 1.
  • the quick-release unit provided for axial engagement in the holding part sleeve member and an axially engaging in the sleeve member, relative to the sleeve member between a locking position and a
  • Entriegelungs axially movable piston member and the sleeve member in the radial direction at least partially cross-locking elements provides.
  • the locking elements are acted upon radially outward in the locking position by the piston element in order to lock the retaining part behind.
  • the locking elements are radially inwardly displaceable, whereby the holding part is released and an axial moving out of the sleeve member from the holding part is possible.
  • the axial direction is, in particular, the direction of movement of the tool halves or clamping plates.
  • a first spring element for urging the piston member in the Verrieglungs too and between the sleeve member and the quick-clamping unit receiving component a second spring element ur axial loading of the sleeve member toward the holding member provided and matched in that when the quick-action clamping unit and holding part move together in the locked state of the quick-action clamping unit, the sleeve element is moved against the spring force of the two spring elements in the axial direction until the locking elements dip radially inward, and then the sleeve element together with the piston element inside the other Movement direction of the holding part opposite direction due to the spring force of the second spring element is moved so far until the
  • Locking elements engage behind the retaining element radially outward, in which case the piston element is then acted upon by the first spring element in the locking position.
  • a plurality of quick-release units may be provided, which cooperate with corresponding to be changed tool parts holding parts for locking.
  • the sleeve element for receiving the locking elements has in the radial direction extending openings.
  • the individual locking elements can be trapped, for example, in a respective associated breakthrough and captive, but arranged to be movable in the radial direction.
  • locking elements are in particular metal balls into consideration. According to the invention, however, geometrically differently shaped parts can be used, such as locking pins.
  • the piston element can have guide bevels which act on the locking elements radially outwards when the piston element is moved from the unlocking position into the locking position.
  • the guide bevels can be realized for example as a conical, radially inwardly directed circumferential groove on the piston element.
  • the piston member may have at least one recess into which the locking elements can engage so far that they do not or only slightly beyond the sleeve member in the radial direction.
  • the recess having the guide bevels can thereby pass into an annular groove-like recess.
  • the piston element For automated movement of the piston element can be provided in particular that the piston element is designed druckbeaufschlagbar at least in the unlocked position.
  • a correspondingly arranged spring element is provided between the piston member and the sleeve member.
  • Such an embodiment has the advantage that due to the spring element, the locking position is permanently held without, for example, the piston element is pressurized with a medium.
  • a particularly preferred embodiment of the invention is characterized in that the sleeve member in the locking position of the piston member opposite to the piston member against the locking direction of the piston member is arranged so far axially movable until the locking elements are radially inwardly displaceable. In this embodiment, therefore, not only the piston member is arranged movable relative to the sleeve member, but also the sleeve member in itself in the
  • Locking position alsodem piston element. This has the advantage that in the event that the holding part impinges in the axial direction on the locked clamping unit, the clamping unit is not damaged. Rather, the sleeve element is initially displaced axially in the direction of movement of the holding part when the holding part which projects radially outwards protrudes. The axial displacement of the sleeve member relative to the piston element takes place until the locking elements move radially inward, whereby the sleeve member in the holding part counter to the direction of movement of the holding part dive and can take its intended for locking with the holding part axial position. In this position, the piston element acts on the locking elements radially outward, wherein the locking elements lock the holding part engages behind.
  • the holding member not locked with the quick-release unit can be driven onto the sleeve member or the lock member for locking with the quick-release unit without damaging the quick-release unit or the holding member.
  • a spring is provided which is arranged between the sleeve element and the component such that the sleeve element is acted upon in the axial direction towards the holding part.
  • Such a spring element can in particular cause that upon movement of the quick-release unit and holding member in the locked state of the quick-release unit, the sleeve member is initially moved against the spring force of the spring element in the axial direction and then at radially inwardly dipping locking elements of the spring force in the other, the Movement direction of the holding part opposite direction is moved.
  • the entire quick-action clamping unit can be arranged biased in the direction of the holding part relative to the component by being installed.
  • a ring element revolving around the piston element can be provided with a radially outwardly directed contact surface for abutment against the component.
  • the forces applied by the spring element forces can be dissipated in an optimum manner in the component.
  • the piston element fully engages through the sleeve member.
  • stops are provided in particular on the piston element, which limit a relative mobility of the sleeve member relative to the piston member.
  • the piston element itself can be designed in several parts and have a piston section which can be guided in a cylinder and a piston rod engaging in the sleeve element at least in sections.
  • the piston section can be designed to be pressurizable with a medium for moving the piston element into the unlocking position.
  • the spring element can, or, when two spring elements are provided, both spring elements can be designed to run around the piston rod as helical spring elements. In particular, in the region of the free end of the piston rod guide bevels can be provided for the locking elements.
  • the piston member may provide a on the side facing away from the piston portion of the piston rod, fixed to the piston rod cooperating with the locking elements locking element.
  • This locking element can be arranged detachably and in the axial direction adjustable on the piston rod in particular via a screw connection.
  • the sleeve element can be arranged partially displaceable on the piston rod and partially on the locking element.
  • the locking element itself can advantageously have a circumferential recess for enabling the radially inward back of the locking elements and provide guide slopes, via which the locking elements are acted upon in the locking position of the piston member radially outward.
  • the piston element has an engagement section for a release unit which is supported on the sleeve element and with which the piston element can be brought from the locking position into the unlocked position. Occurs, for example, the case that the piston element can not be brought into the unlocked position, for example, at a Leakage in a pressure line for pressurizing the piston member, the piston member can be brought from the locking position to the unlocked position by means of the release unit.
  • the engaging portion of the piston member is freely accessible to the release unit.
  • the engagement portion may be formed in particular as a threaded portion, wherein the release unit provides a counter-threaded portion for screwing with the threaded portion.
  • the release unit When screwing the release unit on the threaded portion, the release unit is supported on the sleeve member, so that the piston member can be converted into the unlocked position.
  • the release unit can be screwed onto the free end of the piston rod of the piston element, in particular from the side from which the holding part is slid over the sleeve.
  • An at least partially circumferential collar of the release unit can be supported on the end face of the sleeve element facing away from the piston element. Upon further unscrewing the release unit, the piston member is displaced relative to the sleeve member in the unlocked position.
  • the threaded portion is advantageously arranged freely accessible at the free end of the piston rod or arranged on the piston rod locking element as a circumferential external thread.
  • a quick-release system comprising a quick-release unit according to the invention and a holding part with a central opening corresponding to the quick-release unit, wherein in the locked state the sleeve element engages in the opening and the locking elements lock behind the holding part.
  • the quick-release unit may be arranged on a tool part and the holding part on an exchangeable tool part of a master or forming tool.
  • the quick clamping unit can be arranged on the machine side and the holding part ur- or Umformwerkmaschine Wegmannmaschinection horrit patent
  • the holding part can be arranged so that it can accommodate a certain clearance in the radial direction relative to the tool part to be locked when closing the tool.
  • the object mentioned at the outset is also achieved by a master or forming tool having at least one quick-action clamping unit according to the invention provided on a tool part and a replaceable tool part lockable therewith.
  • the one tool part can have a cylinder space, wherein the quick-clamping unit is then provided in the cylinder space.
  • the cylinder chamber may in particular comprise a first cylinder section for receiving and guiding the piston element and a second cylinder section for receiving and guiding the sleeve element.
  • the diameters of the individual cylinder sections can be different in particular.
  • the first cylinder portion within a first sub-plate and the second cylinder portion within a second sub-plate of the tool part and in particular the platen are arranged.
  • Such an arrangement has the advantage that even in the case of clamping plates which comprise a plurality of superimposed partial plates, individual partial plates have cylinder sections provided for the individual components of the quick-action clamping unit according to the invention.
  • a master or forming machine with a machine part comprising at least one quick-clamping unit according to the invention, in particular for locking with a replaceable tool part, solves the above-mentioned object.
  • FIG. 1 shows an injection molding tool according to the invention
  • FIG. 2 shows a quick-action clamping unit in a perspective view
  • FIG. 3 shows the quick-action clamping unit according to FIG. 2 in longitudinal section
  • FIG. 4 shows a second embodiment of a quick-release unit
  • FIGS. 5a to 5d show various states of a quick-release system during retraction and subsequent locking
  • FIGS. 6a) to 6d) show different states of the quick-release system according to FIG. 5 when closing in the locked state
  • FIGS. 7a) to 7c) show different states during emergency unlocking of the quick-release system according to FIGS. 5 and 6.
  • FIG. 1 shows an injection molding tool comprising a plurality of tool parts with two clamping plates 10 movable toward and away from one another and tool halves 12 arranged between the two clamping plates 10, which form a tool cavity for the medium to be injected.
  • the Quick clamping units 14 can be locked by way of holding parts 16, which correspond to the quick-action clamping units 14, on the tool half-side.
  • the clamping plates 10 can be formed by a plurality of mutually superposed partial plates 18, 20 and 22, 24, 26. On the platen 10 not centering or positioning 28 may be arranged not shown.
  • Quick-action clamping unit 14 a sleeve member 30 provided for axial engagement in an opening 29 provided on the associated holding member 16 and a piston member 32 engaging axially in the sleeve member 30 or the sleeve member 30.
  • the piston member 32 consists of a one-sided, pressurizable with a fluid Piston portion 34, a piston rod 36 and a bolted to the piston rod 36 via a thread 38 locking element 40.
  • the piston member 32 is shown by a locking position shown in Figure 3 relative to the sleeve member 30 in an unlocking position, which is shown in Figure 5b) Pressurization movable.
  • the quick-clamping unit 14 further comprises locking elements 42 in the form of balls whose diameter is greater than the wall thickness of the sleeve member 30.
  • the balls 42 are arranged trapped in provided on the sleeve member openings 44 and are in the locking position shown in Figure 3 from the piston member 32, respectively from the locking element 40, acted upon radially outward.
  • a helical spring 46 is arranged between the piston element 32 and the sleeve element 30, which guides the sleeve element 30 in the direction away from the piston section 34 against a piston element 32, or respectively at the locking element 40, in FIG Radial direction projecting annular collar 48 acted upon.
  • a second helical spring 50 is provided, which is supported at one end on a circumferential annular collar 52 of the sleeve element 30 and at the other end against a ring element 54 arranged movably on the piston element 32 in the axial direction relative to the piston element 32.
  • the ring element 54 is acted upon by the spring element 50 against the holding part 16 facing side of the piston portion 34.
  • the piston element 32 has for receiving the balls 42 in the unlocked position a radially inwardly directed, circumferential recess 56.
  • the recess 56 is opposite to the openings 44, so that the balls 42 can engage radially inward.
  • guide slopes 58, 60 with different angles of inclination To guide the balls 42 radially outward, or radially inward, close to the recess 56 guide slopes 58, 60 with different angles of inclination.
  • the guide bevel 58 which immediately adjoins the recess 56, is designed to be comparatively steep in order to realize a suitable force-displacement control, the guide bevel 60 comparatively flat.
  • a release unit 62 is also shown, which can be screwed onto the annular collar 48 having an external thread.
  • the release unit 62 has an internal thread 64.
  • the quick-clamping unit 15 shown in FIG. 4 essentially corresponds to the quick-clamping unit 14, corresponding components being provided with the same reference numerals. However, this quick-clamping unit 15 does not provide the spring 50.
  • the clamping unit 14 according to Figure 2 and 3 in the platen 10, which are the two partial plates 18 and 20 arranged.
  • the sub-plate 18 in this case has a cylinder portion 72 in which the piston portion 34 is axially movable.
  • the piston section 34 can be pressurized on one side via a pressure line 74.
  • the sub-plate 20 provides a cylinder portion 76, within which the sleeve member 30 is arranged to be movable in the axial direction.
  • the pressure line 74 is depressurized, wherein the piston member 32 due to the spring 46 in its locking position, in which the balls are acted upon radially outwardly due to the locking element 40 is held.
  • the release unit 62 is used. According to FIG. 7a), the release unit 62 is screwed onto the external thread of the annular collar 48 of the piston element 32 until the end face 79 facing the sleeve element 30 strikes the free end face 80 of the sleeve element 30, as shown in FIG. 7b.
  • the release unit 62 itself is formed like a sleeve, wherein its outer diameter is equal to or smaller than the outer diameter of the sleeve member 30.
  • the release unit On its freely accessible side, the release unit has a key surface 82, for example, for a fork wrench, with which the release unit 62 is rotatable in a simple manner.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)
  • Gripping On Spindles (AREA)

Abstract

L'invention concerne une unité de serrage rapide, notamment pour verrouiller des parties de moules de première ou de seconde transformation ou des moules de première ou de seconde transformation sur des machines associées de première ou de seconde transformation. L'unité de serrage rapide peut être verrouillée sur une partie de maintien correspondant à ladite unité. Elle comprend un élément de douille prévu pour s'engager axialement dans l'élément de maintien, et un élément de piston s'engageant axialement dans l'élément de douille ou traversant l'élément de douille et mobile axialement par rapport à l'élément de douille entre une position verrouillée et une position déverrouillée. Elle comprend également des éléments de verrouillage traversant au moins partiellement l'élément de douille en direction radiale, de telle sorte que les éléments de verrouillage, dans la position verrouillée, sont sollicités radialement vers l'extérieur par l'élément de piston afin de verrouiller l'élément de maintien en prise arrière et, dans la position déverrouillée, peuvent être déplacés radialement vers l'intérieur afin de libérer l'élément de maintien. L'invention concerne en outre un système de serrage rapide, un moule de première ou de seconde transformation et une machine de première ou de seconde transformation.
PCT/EP2007/006883 2006-08-08 2007-08-03 Unité de serrage rapide, système de serrage rapide, partie de machine ou de moule et moule de première ou de seconde transformation WO2008017425A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP07786546A EP2049314A1 (fr) 2006-08-08 2007-08-03 Unité de serrage rapide, système de serrage rapide, partie de machine ou de moule et moule de première ou de seconde transformation

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006037709.5 2006-08-08
DE200610037709 DE102006037709B4 (de) 2006-08-08 2006-08-08 Schnellspanneinheit, Schnellspannsystem, Maschinen- oder Werkzeugteil und Ur- oder Umformwerkzeug

Publications (2)

Publication Number Publication Date
WO2008017425A1 true WO2008017425A1 (fr) 2008-02-14
WO2008017425A8 WO2008017425A8 (fr) 2008-05-02

Family

ID=38657141

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2007/006883 WO2008017425A1 (fr) 2006-08-08 2007-08-03 Unité de serrage rapide, système de serrage rapide, partie de machine ou de moule et moule de première ou de seconde transformation

Country Status (3)

Country Link
EP (1) EP2049314A1 (fr)
DE (1) DE102006037709B4 (fr)
WO (1) WO2008017425A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106216715A (zh) * 2016-08-26 2016-12-14 武汉市铁研汽车零件有限公司 一种机械加工半自动装夹的总成
CN111230042A (zh) * 2020-02-13 2020-06-05 北京百慕航材高科技有限公司 锁模装置以及模具

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* Cited by examiner, † Cited by third party
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DE102013201310A1 (de) * 2013-01-28 2014-07-31 Schunk Gmbh & Co. Kg Spann- Und Greiftechnik Spannsystem, insbesondere Nullpunktspannsystem

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EP1552901A1 (fr) * 2002-08-06 2005-07-13 Kosmek Ltd. Dispositif de serrage
US20060034970A1 (en) * 2004-08-16 2006-02-16 Alpha Technological Services Llc Molding press with quick-change mold mounting system

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US5997011A (en) * 1997-01-23 1999-12-07 System 3R International Ab Retaining device, in particular for a workpiece
EP1552901A1 (fr) * 2002-08-06 2005-07-13 Kosmek Ltd. Dispositif de serrage
US20060034970A1 (en) * 2004-08-16 2006-02-16 Alpha Technological Services Llc Molding press with quick-change mold mounting system

Cited By (2)

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Publication number Priority date Publication date Assignee Title
CN106216715A (zh) * 2016-08-26 2016-12-14 武汉市铁研汽车零件有限公司 一种机械加工半自动装夹的总成
CN111230042A (zh) * 2020-02-13 2020-06-05 北京百慕航材高科技有限公司 锁模装置以及模具

Also Published As

Publication number Publication date
DE102006037709B4 (de) 2014-02-13
WO2008017425A8 (fr) 2008-05-02
EP2049314A1 (fr) 2009-04-22
DE102006037709A1 (de) 2008-02-14

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