DE10107502A1 - Closure system for a plastics injection molding machine has a non-rotating spindle connected to a rotor of a hollow shaft motor whose stator connects with a toggle lever platen closure mechanism - Google Patents

Closure system for a plastics injection molding machine has a non-rotating spindle connected to a rotor of a hollow shaft motor whose stator connects with a toggle lever platen closure mechanism

Info

Publication number
DE10107502A1
DE10107502A1 DE2001107502 DE10107502A DE10107502A1 DE 10107502 A1 DE10107502 A1 DE 10107502A1 DE 2001107502 DE2001107502 DE 2001107502 DE 10107502 A DE10107502 A DE 10107502A DE 10107502 A1 DE10107502 A1 DE 10107502A1
Authority
DE
Germany
Prior art keywords
hollow shaft
shaft motor
locking device
spindle
rotor
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.)
Withdrawn
Application number
DE2001107502
Other languages
German (de)
Inventor
Gunther Fischbach
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.)
Mannesmann Plastics Machinery GmbH
Original Assignee
Mannesmann Plastics Machinery GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mannesmann Plastics Machinery GmbH filed Critical Mannesmann Plastics Machinery GmbH
Priority to DE2001107502 priority Critical patent/DE10107502A1/en
Priority to AT02719845T priority patent/ATE333975T1/en
Priority to DE2002501729 priority patent/DE50201729D1/en
Priority to US10/470,832 priority patent/US20040047944A1/en
Priority to PCT/EP2002/001616 priority patent/WO2002064346A1/en
Priority to AT02722082T priority patent/ATE284300T1/en
Priority to US10/470,834 priority patent/US6948925B2/en
Priority to PCT/EP2002/001618 priority patent/WO2002064348A1/en
Priority to DE50207637T priority patent/DE50207637D1/en
Priority to EP02700239A priority patent/EP1361945A1/en
Priority to EP02719845A priority patent/EP1361946B1/en
Priority to PCT/EP2002/001617 priority patent/WO2002064347A1/en
Priority to EP02722082A priority patent/EP1361947B1/en
Priority to US10/470,833 priority patent/US20040052893A1/en
Publication of DE10107502A1 publication Critical patent/DE10107502A1/en
Withdrawn legal-status Critical Current

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
    • B29C45/64—Mould opening, closing or clamping devices
    • B29C45/66—Mould opening, closing or clamping devices mechanical
    • B29C45/661—Mould opening, closing or clamping devices mechanical using a toggle mechanism for mould clamping
    • 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
    • B29C2045/1784—Component parts, details or accessories not otherwise provided for; Auxiliary operations not otherwise provided for
    • B29C2045/1792—Machine parts driven by an electric motor, e.g. electric servomotor
    • B29C2045/1794—Machine parts driven by an electric motor, e.g. electric servomotor by a rotor or directly coupled electric motor, e.g. using a tubular shaft motor

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)

Abstract

A non-rotating spindle(21) for operating the moving tool-carrying platen(12) passes through and engages with a rotor(6) of a hollow shaft motor(7). The motor stator(4) enclosing the rotor connects with a toggle lever mechanism(13) connecting the fixed tool-carrying platen(11) to the moving tool-carrying platen.

Description

Die Erfindung betrifft eine Schließeinrichtung gemäß dem Oberbegriff von Patentanspruch 1.The invention relates to a locking device according to the preamble of claim 1.

Aus der EP 0 658 136 B1 ist eine Schließeinheit für Formwerkzeuge von Spritzgießmaschinen bekannt, bei der zwischen der beweglichen Werkzeugaufspannplatte und einer Endplatte ein Kniehebelschließsystem zum Verschieben der beweglichen Werkzeugaufspannplatte vorgese­ hen ist. Mehrere sogenannte Fünfpunkt-Kniehebelsysteme sind mit einem gemeinsamen Kreuzkopf gekuppelt. An diesem Kreuzkopf greift drehfest eine Gewindespindel an, welche mit einer Mutter in Eingriff steht, die axial unverschiebbar, aber drehantreibbar in der Endplatte aufgenommen ist. Zum Zwecke des Drehantriebs ist die Mutter mit der Hohlwelle eines Elektro­ motors gekuppelt, welcher an die Außenseite der Endplatte angeflanscht ist. Die Innenab­ messung der Hohlwelle ist dergestalt auszulegen, dass sie geeignet ist, die gesamte, nach hinten aus der Mutter ausfahrbare Länge der Gewindespindel problemlos aufzunehmen. Die Kniehebelsysteme sind symmetrisch zur, die Gewindespindel, die Spindelmutter und der Elektromotor mit seiner Hohlwelle sind fluchtend mit der Kraftachse der Schließeinheit. Ein ähnliches System ist in der DE-PS 195 24 314 C1 beschrieben.EP 0 658 136 B1 describes a clamping unit for molds for injection molding machines known in the between the movable platen and an end plate Toggle lever locking system for moving the movable platen hen is. Several so-called five-point toggle lever systems are in common Cross head coupled. A threaded spindle engages on this crosshead in a rotationally fixed manner a nut is engaged, which is axially immovable, but driven in rotation in the end plate is recorded. For the purpose of the rotary drive, the nut with the hollow shaft of an electric motors coupled, which is flanged to the outside of the end plate. The interior The measurement of the hollow shaft is to be designed in such a way that it is suitable for the entire Length of the threaded spindle that can be extended from the rear of the nut is easy to accommodate. The Toggle lever systems are symmetrical to, the threaded spindle, the spindle nut and the Electric motor with its hollow shaft are aligned with the force axis of the clamping unit. On Similar system is described in DE-PS 195 24 314 C1.

Nachteilig an diesen Systemen ist, dass der außerhalb der Endplatte angeordnete Elektromotor und die an die Spindellänge angepasste Innenabmessung der Hohlwelle zu einer vergleichs­ weise lang bauenden Schließeinrichtung führen.A disadvantage of these systems is that the electric motor is arranged outside the end plate and the internal dimension of the hollow shaft adapted to the spindle length to a comparison wise long construction locking device.

Der Erfindung liegt die Aufgabe zugrunde, eine gattungsgemäße Schließeinrichtung zu schaf­ fen, die deutlich kürzer baut und zusätzlich eine kostengünstige Konstruktion erlaubt.The invention has for its object to provide a generic locking device fen, which builds significantly shorter and also allows an inexpensive construction.

Die Erfindung löst diese Aufgabe durch die Merkmale des Anspruchs 1. Die nachfolgenden Ansprüche sind vorteilhafte Weiterbildungen der Erfindung. The invention solves this problem by the features of claim 1. The following Claims are advantageous developments of the invention.  

Erfindungsgemäß ist die Spindel drehfest angeordnet und das der beweglichen Werkzeugauf­ spannplatte zugewandte Ende der Spindel ist mit dem Rotor, also der Hohlwelle, des Hohlwel­ lenmotors in Eingriff, während der Stator des Hohlwellenmotors mit dem Kniehebelmechanis­ mus verbunden ist. Der Hohlwellenmotor ist entweder unmittelbar am Kreuzkopf angeflanscht oder in diesen integriert, beispielsweise dadurch, dass der Kreuzkopf eine Ausnehmung zur Aufnahme des Hohlwellenmotors aufweist. Alternativ kann der Stator auch direkt durch geeig­ nete Verbindungselemente an den Kniehebelmechanismus gekuppelt sein. Aufgrund der Erfin­ dung kann das Reaktionsmoment des Antriebs und die Führung des Kreuzkopfes durch eine einzige kostengünstige Konstruktion realisiert werden.According to the invention, the spindle is arranged in a rotationally fixed manner and that of the movable tool The end of the spindle facing the clamping plate is connected to the rotor, i.e. the hollow shaft, the hollow shaft lenmotors engages, while the stator of the hollow shaft motor with the toggle mechanism mus is connected. The hollow shaft motor is either flanged directly to the crosshead or integrated into this, for example in that the crosshead has a recess for Includes recording of the hollow shaft motor. Alternatively, the stator can also be used directly Nete fasteners to be coupled to the toggle mechanism. Because of the inven The reaction torque of the drive and the guidance of the crosshead can be controlled by a only inexpensive construction can be realized.

Ein Beispiel der Erfindung ist in der beigefügten Fig. 1 dargelegt. Auf einem Maschinenbett 16 ist eine feststehende Werkzeugaufspannplatte 11 angeordnet, zu der sich durch einen Knie­ hebelmechanismus 13 antreibbar eine bewegliche Werkzeugaufspannplatte 12 axial bewegen lässt. Die feststehende Werkzeugaufspannplatte 11 ist über das Maschinenbett 16 mit einer Endplatte 19 verbunden. Eine Spindel 21 ist mit ihrem der beweglichen Werkzeugaufspann­ platte abgewandten Ende durch die Endplatte 19 geführt und in einer Ankerplatte 3 drehfest angeordnet. Auf dem anderen Ende der Spindel 21 ist ein Hohlwellenmotor 7 auf Führungs­ stangen axial verschieblich angeordnet, die zu beiden Seiten der Spindel 21 angeordnet und in der Endplatte 19 befestigt, so dass sie in der Fig. 1 nicht ersichtlich sind. Eine Spindelmutter 5 ist mit der Hohlwelle bzw. dem Rotor 6 des Hohlwellenmotors gekuppelt und steht in Eingriff mit der Spindel 21. Der Stator 4 des Hohlwellenmotors ist an den Kniehebelmechanismus 13 an­ geflanscht. Auf diese Weise sind die Funktionen des Kreuzkopfes und die des Antriebsmotors zusammengefasst. An example of the invention is set out in the accompanying FIG. 1. On a machine bed 16 , a fixed platen 11 is arranged, to which a movable platen 12 can be moved axially by a toggle lever mechanism 13 . The fixed platen 11 is connected to an end plate 19 via the machine bed 16 . A spindle 21 is guided with its end facing away from the movable platen through the end plate 19 and arranged in a non-rotatable manner in an anchor plate 3 . On the other end of the spindle 21 , a hollow shaft motor 7 is arranged axially displaceably on guide rods, which are arranged on both sides of the spindle 21 and fastened in the end plate 19 , so that they cannot be seen in FIG. 1. A spindle nut 5 is coupled to the hollow shaft or the rotor 6 of the hollow shaft motor and is in engagement with the spindle 21 . The stator 4 of the hollow shaft motor is flanged to the toggle mechanism 13 . In this way, the functions of the crosshead and those of the drive motor are combined.

Positionslisteposition list Spritzgießmaschineinjection molding machine

1111

Feststehende Werkzeugaufspannplatte
Fixed tool platen

1212

Bewegliche Werkzeugaufspannplatte
Movable platen

1313

Kniehebelmechanismus
Toggle mechanism

1616

Maschinenbett
machine bed

1919

Endplatte
endplate

Antriebdrive

44

Stator des Hohlwellenmotors
Stator of the hollow shaft motor

55

Spindelmutter
spindle nut

66

Rotor des Hohlwellenmotors
Hollow shaft motor rotor

77

Hohlwellenmotor
Hollow shaft motor

2121

Erste Spindel
First spindle

Claims (7)

1. Schließeinrichtung für eine Spritzgießmaschine für Kunststoffe mit einer feststehenden Werkzeugaufspannplatte, die über einen Kniehebelmechanismus mit einer beweglichen Werkzeugaufspannplatte verbunden ist, wobei zur Betätigung des Kniehebelmechanis­ mus ein mit einer Spindel zusammenwirkender Hohlwellenmotor vorgesehen ist, dadurch gekennzeichnet, dass die Spindel (21) drehfest angeordnet ist, dass das der beweglichen Werkzeugauf­ spannplatte (12) zugewandte Ende der Spindel (21) mit dem Rotor (6) des Hohlwellen­ motors (7) in Eingriff ist und dass der Stator (4) des Hohlwellenmotors mit dem Kniehe­ belmechanismus (13) verbunden ist.1. Locking device for an injection molding machine for plastics with a stationary mold mounting plate, which is connected to a movable mold mounting plate via a toggle lever mechanism, a hollow shaft motor interacting with a spindle being provided for actuating the toggle lever mechanism, characterized in that the spindle ( 21 ) is arranged in a rotationally fixed manner is that the movable tool on clamping plate ( 12 ) facing end of the spindle ( 21 ) with the rotor ( 6 ) of the hollow shaft motor ( 7 ) is engaged and that the stator ( 4 ) of the hollow shaft motor is connected to the toggle mechanism ( 13 ) is. 2. Schließeinrichtung nach Anspruch 1, dadurch gekennzeichnet, dass der Kniehebelme­ chanismus an einen Kreuzkopf gekuppelt ist und dass der Hohlwellenmotor an den Kreuzkopf angeflanscht ist.2. Locking device according to claim 1, characterized in that the Kniehebelme mechanism is coupled to a crosshead and that the hollow shaft motor is connected to the Cross head is flanged. 3. Schließeinrichtung nach Anspruch 1, dadurch gekennzeichnet, dass der Kniehebelme­ chanismus an einen Kreuzkopf gekuppelt ist und dass der Kreuzkopf eine Ausnehmung zur Aufnahme des Hohlwellenmotors aufweist.3. Locking device according to claim 1, characterized in that the Kniehebelme mechanism is coupled to a crosshead and that the crosshead has a recess for receiving the hollow shaft motor. 4. Schließeinrichtung nach Anspruch 1, dadurch gekennzeichnet, dass der Kniehebelme­ chanismus direkt an den Stator des Hohlwellenmotors gekuppelt ist.4. Locking device according to claim 1, characterized in that the Kniehebelme mechanism is coupled directly to the stator of the hollow shaft motor. 5. Schließeinrichtung nach Anspruch 4, dadurch gekennzeichnet, dass der Stator des Hohl­ wellenmotors auf seitlich angeordneten Führungen verschieblich abgestützt ist.5. Locking device according to claim 4, characterized in that the stator of the hollow shaft motor is slidably supported on laterally arranged guides. 6. Schließeinrichtung nach Anspruch 4 oder 5, dadurch gekennzeichnet, dass die beweg­ liche Werkzeugaufspannplatte (12) auf mehreren Holmen verschieblich geführt ist und dass der Stator (4) des Hohlwellenmotors an einem oder mehreren dieser Holme ver­ schieblich geführt ist.6. Locking device according to claim 4 or 5, characterized in that the movable platen ( 12 ) is displaceably guided on a plurality of spars and that the stator ( 4 ) of the hollow shaft motor is displaceably guided on one or more of these spars. 7. Schließeinrichtung nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass die Spindel (21) durch eine Endplatte (19) geführt und in einer Ankerplatte (3) drehfest be­ festigt ist.7. Locking device according to one of claims 1 to 6, characterized in that the spindle ( 21 ) through an end plate ( 19 ) and in an anchor plate ( 3 ) is rotationally fixed.
DE2001107502 2001-02-15 2001-02-15 Closure system for a plastics injection molding machine has a non-rotating spindle connected to a rotor of a hollow shaft motor whose stator connects with a toggle lever platen closure mechanism Withdrawn DE10107502A1 (en)

Priority Applications (14)

Application Number Priority Date Filing Date Title
DE2001107502 DE10107502A1 (en) 2001-02-15 2001-02-15 Closure system for a plastics injection molding machine has a non-rotating spindle connected to a rotor of a hollow shaft motor whose stator connects with a toggle lever platen closure mechanism
AT02719845T ATE333975T1 (en) 2001-02-15 2002-02-15 CLOSING DEVICE IN AN INJECTION MOLDING MACHINE FOR PLASTIC
DE2002501729 DE50201729D1 (en) 2001-02-15 2002-02-15 LOCKING DEVICE IN AN INJECTION MOLDING MACHINE FOR PLASTICS
US10/470,832 US20040047944A1 (en) 2001-02-15 2002-02-15 Closing device in an injection moulding machine for synthetic materials
PCT/EP2002/001616 WO2002064346A1 (en) 2001-02-15 2002-02-15 Closing device in an injection moulding machine for synthetic materials
AT02722082T ATE284300T1 (en) 2001-02-15 2002-02-15 CLOSING DEVICE IN AN INJECTION MOLDING MACHINE FOR PLASTIC
US10/470,834 US6948925B2 (en) 2001-02-15 2002-02-15 Closing device in an injection moulding machine for plastics
PCT/EP2002/001618 WO2002064348A1 (en) 2001-02-15 2002-02-15 Closing device in an injection moulding machine for synthetic materials
DE50207637T DE50207637D1 (en) 2001-02-15 2002-02-15 LOCKING DEVICE IN AN INJECTION MOLDING MACHINE FOR PLASTICS
EP02700239A EP1361945A1 (en) 2001-02-15 2002-02-15 Closing device in an injection moulding machine for synthetic materials
EP02719845A EP1361946B1 (en) 2001-02-15 2002-02-15 Closing device in an injection moulding machine for synthetic materials
PCT/EP2002/001617 WO2002064347A1 (en) 2001-02-15 2002-02-15 Closing device in an injection moulding machine for synthetic materials
EP02722082A EP1361947B1 (en) 2001-02-15 2002-02-15 Closing device in an injection moulding machine for synthetic materials
US10/470,833 US20040052893A1 (en) 2001-02-15 2002-02-15 Closing device in an injection moulding machine for synthetic materials

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2001107502 DE10107502A1 (en) 2001-02-15 2001-02-15 Closure system for a plastics injection molding machine has a non-rotating spindle connected to a rotor of a hollow shaft motor whose stator connects with a toggle lever platen closure mechanism

Publications (1)

Publication Number Publication Date
DE10107502A1 true DE10107502A1 (en) 2002-08-29

Family

ID=7674417

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2001107502 Withdrawn DE10107502A1 (en) 2001-02-15 2001-02-15 Closure system for a plastics injection molding machine has a non-rotating spindle connected to a rotor of a hollow shaft motor whose stator connects with a toggle lever platen closure mechanism

Country Status (1)

Country Link
DE (1) DE10107502A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006042697A1 (en) * 2006-09-12 2008-03-27 Magna Powertrain Ag & Co Kg Actuator for brake device, has adjusting unit driven to axial movement to drive piston to axial movement and driven partially to rotating movement to pivot mechanism and to drive piston to another axial movement

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19524314C1 (en) * 1995-07-04 1996-07-11 Battenfeld Gmbh Motor-driven closing system for pressure injection moulding dies

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19524314C1 (en) * 1995-07-04 1996-07-11 Battenfeld Gmbh Motor-driven closing system for pressure injection moulding dies

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006042697A1 (en) * 2006-09-12 2008-03-27 Magna Powertrain Ag & Co Kg Actuator for brake device, has adjusting unit driven to axial movement to drive piston to axial movement and driven partially to rotating movement to pivot mechanism and to drive piston to another axial movement
DE102006042697B4 (en) * 2006-09-12 2009-11-12 Magna Powertrain Ag & Co Kg Tensioning device with wobble bolts

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Legal Events

Date Code Title Description
OM8 Search report available as to paragraph 43 lit. 1 sentence 1 patent law
8127 New person/name/address of the applicant

Owner name: MANNESMANN PLASTICS MACHINERY GMBH, 80997 MUENCHEN,

8143 Lapsed due to claiming internal priority
8170 Reinstatement of the former position
8139 Disposal/non-payment of the annual fee