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EP0078496B1 - Cylindre pneumatique - Google Patents

Cylindre pneumatique Download PDF

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Publication number
EP0078496B1
EP0078496B1 EP82109913A EP82109913A EP0078496B1 EP 0078496 B1 EP0078496 B1 EP 0078496B1 EP 82109913 A EP82109913 A EP 82109913A EP 82109913 A EP82109913 A EP 82109913A EP 0078496 B1 EP0078496 B1 EP 0078496B1
Authority
EP
European Patent Office
Prior art keywords
piston
cylinder
extension
cylinder according
stops
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.)
Expired
Application number
EP82109913A
Other languages
German (de)
English (en)
Other versions
EP0078496A1 (fr
Inventor
Ernst Dipl.-Ing. Bergner
Wolfgang Dipl.-Ing. Schmutz
Dieter Dipl.-Ing. Slowak
Hans Dipl.-Ing. Weber
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6732567&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0078496(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP0078496A1 publication Critical patent/EP0078496A1/fr
Application granted granted Critical
Publication of EP0078496B1 publication Critical patent/EP0078496B1/fr
Expired legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/20—Other details, e.g. assembly with regulating devices
    • F15B15/24—Other details, e.g. assembly with regulating devices for restricting the stroke
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/08—Characterised by the construction of the motor unit
    • F15B15/082—Characterised by the construction of the motor unit the motor being of the slotted cylinder type

Definitions

  • the invention relates to a pneumatic cylinder according to the preamble of the main claim.
  • a rod is formed on the working piston opposite to the piston rod, but extending in its axial direction and also protruding from the cylinder tube and on which there is a transverse yoke. This interacts with two screw spindles running parallel to the rod, on which there are adjustable stops for limiting the piston stroke.
  • This pneumatic cylinder is complex and very bulky due to the complicated stroke adjustment and limitation, so that its application is subject to narrow limits (FR-A-1 596 551).
  • the object of the invention is to provide a pneumatic cylinder according to the preamble of claim 1, which is of relatively simple design and is also considerably cheaper in its spatial design than the known pneumatic cylinder.
  • Such a pneumatic cylinder has an improved range of use because of its simple construction and its robustness and is also very inexpensive.
  • FIG. 1 a side view of a pneumatic cylinder and in FIG. 2 shows a section according to II of FIG. 1.
  • 10 denotes the cylinder tube of a pneumatic cylinder, which is closed on both sides by covers 11, 12.
  • a piston 13 is slidably mounted in the cylinder tube 10, to which an extension 14 is fastened in addition to an outwardly projecting piston rod 23 and projects outwards through a longitudinal slot formed in the cylinder tube. Sealing to the outside takes place via a band-shaped sealing strip 15.
  • This type of sealing is known per se in the case of pneumatic cylinders without piston rods with a force transmission element which projects laterally through a longitudinal slot in the cylinder tube, for. B. from DE-A-2 162572, and therefore not described further.
  • Two stops 17, 18, which cooperate with the extension 14, serve to adjust the stroke or limit the stroke of the piston 13.
  • the stops 17, 18 are arranged so as to be displaceable on spindles 19, 19 'which are coaxial with the cylinder tube 10.
  • the stops can be moved by hand, for example, or the spindles can be designed as threaded spindles which are driven by drive motors 20, 20 ', expediently by electric motors or any stepping motors.
  • the stops then have a corresponding internal thread. If the stroke should only be adjusted in one direction, then of course only one spindle with a stop and a motor is required.
  • a toothed belt or a steel belt for a fixed resolver on the extension 14 or to provide sensors for a fixed coded scale or a coded steel belt with fixed sensors.
  • any damping device 21, 22 on the stops can consist of a rubber buffer.
  • the stops can of course also be adjusted and clamped by hand.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Actuator (AREA)
  • Pistons, Piston Rings, And Cylinders (AREA)

Claims (7)

1. Vérin pneumatique possédant une tige de piston (23), solidaire du piston (13) et faisant saillie à l'extérieur, dont la course peut être limitée par des butées réglables (17.18) situées à l'extérieur du tube cylindrique formant le corps (10) du vérin, caractérisé en ce qu'un prolongement (14) relié au piston (13) fait saillie à l'extérieur à travers une fente longitudinale étanchée qui est ménagée dans la paroi du corps (10) du vérin et que les butées (17, 18) sont situées dans la zone de mouvement du prolongement.
2. Vérin selon la revendication 1, caractérisé en ce que deux butées sont prévues pour régler la course du piston dans les deux directions.
3. Vérin selon la revendication 1 et/ou 2, caractérisé en ce que chaque butée est disposée sur une broche (19) s'étendant le long du corps du vérin.
4. Vérin selon une des revendications 1 à 3, caractérisé en ce que la broche est filetée et est entraînée en rotation par un moteur, en particulier un moteur électrique.
5. Vérin selon la revendication 4, caractérisé en ce que le moteur d'entraînement (20) peut être commandé à volonté, par exemple selon un programme déterminé.
6. Vérin selon une des revendications 1 à 5, caractérisé en ce qu'un dispositif d'amortissement (21) coopérant avec le prolongement (14) est disposé sur la butée (17,18).
7. Vérin selon la revendication 1, caractérisé en ce que le prolongement (14) est combiné avec un dispositif pour indiquer la position du piston (13), ce dispositif étant formé par exemple d'une courroie crantée ou d'un ruban d'acier menant à un indicateur de rotation fixe, ou par des capteurs conjugués à une règle codée fixe, ou encore par un ruban d'acier codé conjugué à des capteurs fixes.
EP82109913A 1981-10-30 1982-10-27 Cylindre pneumatique Expired EP0078496B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE8131711U 1981-10-30
DE8131711 1981-10-30

Publications (2)

Publication Number Publication Date
EP0078496A1 EP0078496A1 (fr) 1983-05-11
EP0078496B1 true EP0078496B1 (fr) 1985-03-27

Family

ID=6732567

Family Applications (1)

Application Number Title Priority Date Filing Date
EP82109913A Expired EP0078496B1 (fr) 1981-10-30 1982-10-27 Cylindre pneumatique

Country Status (2)

Country Link
EP (1) EP0078496B1 (fr)
DE (1) DE3262822D1 (fr)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2120813A (en) * 1982-05-21 1983-12-07 Burn Bindings Ltd James Linear control device
IT1169197B (it) * 1983-05-10 1987-05-27 I M F Ind Macchine Faenza Spa Dispositivo per posizionare una unita' operativa rispetto al pezzo da lavorare, in particolare per linee transfer
IT1163436B (it) * 1983-06-02 1987-04-08 Tekma Kincmat Spa Dispositivo per il movimento e la regolazione della posizione del pezzo in macchine operatrici
EP0346504B1 (fr) * 1988-06-11 1992-01-22 Festo KG Vérin sans tige comportant un dispositif de limitation de la course
DE3941748C2 (de) * 1989-12-18 1995-03-09 Siemens Ag Elektro-pneumatische oder -hydraulische Linear-Antriebsvorrichtung
EP0450108B1 (fr) * 1990-03-31 1994-07-27 Honeywell B.V. Dispositif de limitation de course
CH683606A5 (fr) * 1990-04-26 1994-04-15 Bobst Sa Dispositif avec vérin à précontrainte de contrôle de la pression de travail entre deux cylindres rotatifs coatifs dans une machine de traitement de matière en bande.
DE4027122A1 (de) * 1990-08-28 1992-03-05 Montech Ag Lineareinheit
GB2309747A (en) * 1996-02-03 1997-08-06 Hytek Tech Int Fluid-pressure-operated actuators
DE10046191C2 (de) * 2000-09-12 2003-10-09 Bosch Rexroth Teknik Ab Stockholm Lineareinheit (Positioniermodul)
KR20030069687A (ko) * 2002-02-22 2003-08-27 한국기계연구원 다단 위치 제어 실린더
DE102005011659A1 (de) * 2005-03-08 2006-09-14 Khs Ag Betätigungselement sowie Füllmaschine mit derartigen Betätigungselementen
JP2009054630A (ja) * 2007-08-23 2009-03-12 Tokyo Electron Ltd シリンダ停止位置可変機構及びそれを備えた基板処理装置
CN114810716A (zh) * 2022-04-24 2022-07-29 合肥志必达液压科技有限公司 一种液压油缸活塞系统

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2162572A1 (de) * 1970-12-22 1972-07-20 Origa Zylindrar Ab Vorrichtung an Druckmittelzylindern

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1596551A (fr) * 1968-07-31 1970-06-22
FR2444828A1 (fr) * 1978-12-18 1980-07-18 Heurtey Metallurgie Perfectionnements apportes aux verins
DE2908605A1 (de) * 1979-03-05 1980-09-11 Geb Kotz Rosa Mueller Pneumatische lineareinheit mit zylindern ohne kolbenstange

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2162572A1 (de) * 1970-12-22 1972-07-20 Origa Zylindrar Ab Vorrichtung an Druckmittelzylindern

Also Published As

Publication number Publication date
DE3262822D1 (en) 1985-05-02
EP0078496A1 (fr) 1983-05-11

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