EP2372065A2 - Procédé de fabrication d'un piston d'un entraînement de porte - Google Patents

Procédé de fabrication d'un piston d'un entraînement de porte Download PDF

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Publication number
EP2372065A2
EP2372065A2 EP11159927A EP11159927A EP2372065A2 EP 2372065 A2 EP2372065 A2 EP 2372065A2 EP 11159927 A EP11159927 A EP 11159927A EP 11159927 A EP11159927 A EP 11159927A EP 2372065 A2 EP2372065 A2 EP 2372065A2
Authority
EP
European Patent Office
Prior art keywords
toothing
piston
plastic
insert
core
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
EP11159927A
Other languages
German (de)
English (en)
Other versions
EP2372065A3 (fr
EP2372065B1 (fr
Inventor
Hermann Alber
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.)
Geze GmbH
Original Assignee
Geze 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 Geze GmbH filed Critical Geze GmbH
Publication of EP2372065A2 publication Critical patent/EP2372065A2/fr
Publication of EP2372065A3 publication Critical patent/EP2372065A3/fr
Application granted granted Critical
Publication of EP2372065B1 publication Critical patent/EP2372065B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F3/00—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices
    • E05F3/04—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices with liquid piston brakes
    • E05F3/10—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices with liquid piston brakes with a spring, other than a torsion spring, and a piston, the axes of which are the same or lie in the same direction
    • E05F3/102—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices with liquid piston brakes with a spring, other than a torsion spring, and a piston, the axes of which are the same or lie in the same direction with rack-and-pinion transmission between driving shaft and piston within the closer housing
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2201/00—Constructional elements; Accessories therefor
    • E05Y2201/40—Motors; Magnets; Springs; Weights; Accessories therefor
    • E05Y2201/43—Motors
    • E05Y2201/448—Fluid motors; Details thereof
    • E05Y2201/456—Pistons
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2800/00—Details, accessories and auxiliary operations not otherwise provided for
    • E05Y2800/45—Manufacturing
    • E05Y2800/46—Injection moulding
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2800/00—Details, accessories and auxiliary operations not otherwise provided for
    • E05Y2800/67—Materials; Strength alteration thereof
    • E05Y2800/68—Combinations of materials creating distinct article parts
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2900/00—Application of doors, windows, wings or fittings thereof
    • E05Y2900/10—Application of doors, windows, wings or fittings thereof for buildings or parts thereof
    • E05Y2900/13—Type of wing
    • E05Y2900/132—Doors

Definitions

  • the invention relates to a method for producing a piston of a door drive according to claim 1.
  • a drive for a wing of a door or a window with a housing, with a receiving space for supporting the drive.
  • the drive has a piston, which has a shape-stabilizing insert, wherein the piston wall thickness is formed at least in sections by an inner and outer side cover layer made of plastic.
  • the EP 1 705 329 A1 discloses a drive for a wing of a door or a window, with a metal housing having a receiving space in which an energy storage and an at least partially made of plastic piston are arranged.
  • the piston has at least one insert formed as a toothed part, with a toothing, which cooperates with a arranged on an output shaft of the drive pinion for wing movement.
  • the invention has for its object to improve the production of an at least partially made of plastic piston of a door drive to the effect that the teeth of the piston is kept safe from plastic.
  • An injection mold as it is used for the production of a piston of a door drive, usually consists of a plurality of identical mold cavities, which are designed for producing a respective piston. Each mold cavity has a core for receiving an insert, which has a supporting effect for the finished piston.
  • the insert may be integrally or multiply joined, for example, welded, formed, wherein two the piston end faces forming end plates, a arranged between the end plates support web and a toothed web are provided. At the toothed web a toothing, which interacts with the pinion in the door drive, arranged.
  • the arranged in the mold cavity core also has a toothing, which corresponds to the toothing of the toothed web of the insert.
  • a toothing which corresponds to the toothing of the toothed web of the insert.
  • at least one runner is provided in the injection mold, which is directed in the direction of the toothed web.
  • at least two sprue channels are provided, which are directed in the direction of the toothed web and distributed along the longitudinal extent thereof.
  • the overmolded piston is thus advantageously completely surrounded by plastic, wherein only the toothing is kept completely free of plastic.
  • Fig. 1 is a mold cavity 1 shown an injection mold, which may usually have a plurality of mold cavities 1, whereby in an injection molding process, several parts can be produced.
  • the mold cavity 1 is shown here in the open state, whereby the view is given on the mold body 2 serving for mounting the injection mold, which may also contain cooling holes and ejector, and on a core 3 for arranging an insert 6.
  • the core 3 has a toothing 5, which corresponds to a toothing 10 of the insert 6, as shown in the Fig. 2 in one opposite the Fig. 1 enlarged view is shown.
  • the insert 6 formed from two end disks 7, a support web 8 and a toothed web 9 is in the Fig. 3 shown. At the toothed web 9, the toothing 10 is formed.
  • a runner 4.1 and a runner 4.2 are provided which are distributed along the extension of the insert 6, as shown in the figures.
  • the Fig. 4 shows the mold cavity 1 with inserted insert 6.
  • a further, optional manufacturing step is shown, wherein slide 11, 12 are inserted into the end plates 7 to form holes provided in the end plates.
  • the slide 11, 12 may have a smaller diameter than already provided in the end plates 7 holes, whereby the holes can be provided with plastic 14 inside.
  • the slide 11, 12 are inserted after closing the injection mold.
  • the view in the opened state is used here to describe the process.
  • the slides 11, 12 are of course already provided in the injection mold and are not shown in all figures for reasons of clarity. Also, other components that are required to operate the slider 11, 12, also for reasons of clarity, not shown. If no holes are provided or these are only attached to the finished product by post-processing, the slide can be omitted.
  • the plastic 14 is injected over the longitudinally of the toothed web 9 spaced sprue channels 4.1 and 4.2.
  • Fig. 6 is the open mold cavity 1 shown after the injection process.
  • the toothing 10 is flush and without a gap on the toothing 5 of the core 3, whereby the teeth 10 on the system with the Gearing 5 completely free of plastic 14 remains.
  • the support web 8 of the insert 6 slightly lifted from the core 3, whereby the support web 8 is thinly coated with plastic 14 on the core 3 side facing.
  • FIG. 8 the overmolded piston 13 after removal from the mold cavity 1 is shown. There are the forehead slides 7 and the support bar 8 completely surrounded by plastic 14. Only the teeth 10 of the toothed web 9 is kept free of plastic 14. The toothed web 9 is otherwise surrounded by plastic 14, wherein the teeth of the toothing 10 laterally still have a layer of plastic 14, as shown in the Fig. 8 is shown.

Landscapes

  • Injection Moulding Of Plastics Or The Like (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
EP11159927.0A 2010-03-29 2011-03-28 Procédé de fabrication d'un piston d'un entraînement de porte Active EP2372065B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102010003384.7A DE102010003384B4 (de) 2010-03-29 2010-03-29 Verfahren zur Herstellung eines Kolbens eines Türantriebs

Publications (3)

Publication Number Publication Date
EP2372065A2 true EP2372065A2 (fr) 2011-10-05
EP2372065A3 EP2372065A3 (fr) 2014-08-27
EP2372065B1 EP2372065B1 (fr) 2016-08-17

Family

ID=44227985

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11159927.0A Active EP2372065B1 (fr) 2010-03-29 2011-03-28 Procédé de fabrication d'un piston d'un entraînement de porte

Country Status (2)

Country Link
EP (1) EP2372065B1 (fr)
DE (1) DE102010003384B4 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102017124034A1 (de) 2017-10-16 2019-04-18 Gretsch-Unitas GmbH Baubeschläge Schließvorrichtung zum Schließen eines Tür- oder Fensterflügels

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10259237A1 (de) 2002-12-17 2004-07-15 Geze Gmbh Antrieb für einen Flügel einer Tür oder eines Fensters
EP1705329A1 (fr) 2005-03-24 2006-09-27 GEZE GmbH Entraînement pour un panneau de porte ou de fenêtre

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2119384T3 (es) * 1994-01-19 1998-10-01 Gretsch Unitas Gmbh Cierrapuertas.

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10259237A1 (de) 2002-12-17 2004-07-15 Geze Gmbh Antrieb für einen Flügel einer Tür oder eines Fensters
EP1705329A1 (fr) 2005-03-24 2006-09-27 GEZE GmbH Entraînement pour un panneau de porte ou de fenêtre

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102017124034A1 (de) 2017-10-16 2019-04-18 Gretsch-Unitas GmbH Baubeschläge Schließvorrichtung zum Schließen eines Tür- oder Fensterflügels

Also Published As

Publication number Publication date
EP2372065A3 (fr) 2014-08-27
EP2372065B1 (fr) 2016-08-17
DE102010003384B4 (de) 2016-12-01
DE102010003384A1 (de) 2011-09-29

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