FR2622937A1 - Actuator with integral guidance - Google Patents

Actuator with integral guidance Download PDF

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Publication number
FR2622937A1
FR2622937A1 FR8715745A FR8715745A FR2622937A1 FR 2622937 A1 FR2622937 A1 FR 2622937A1 FR 8715745 A FR8715745 A FR 8715745A FR 8715745 A FR8715745 A FR 8715745A FR 2622937 A1 FR2622937 A1 FR 2622937A1
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FR
France
Prior art keywords
guide
rod
actuator
diameter
constituted
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
FR8715745A
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French (fr)
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FR2622937B1 (en
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Individual
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Individual
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 Individual filed Critical Individual
Priority to FR8715745A priority Critical patent/FR2622937B1/en
Priority to US07/264,362 priority patent/US4902178A/en
Priority to DE8888402773T priority patent/DE3878401T2/en
Priority to EP88402773A priority patent/EP0315542B1/en
Publication of FR2622937A1 publication Critical patent/FR2622937A1/en
Application granted granted Critical
Publication of FR2622937B1 publication Critical patent/FR2622937B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • 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

Abstract

The actuator is characterised by the fact that its stem is formed by a ground column 1, the diameter of which is greater than two-thirds of the diameter of the piston and which slides in a fixed guidance ring 2. The said actuator comprises means of stopping rotation of the stem 1 or of the tool 1' mounted on the stem 1.

Description

VENIN A GUIDAGE INTEGRE
L'invention concerne un nouveau vérin a guidage intégré.INTEGRATED GUIDED VENOM
The invention relates to a new jack with integrated guide.

Lorsqu'un vÉrin doit actionner un mécanisme avec un bon guidage, on doit prevoir un dispositif auxiliaire de guidage du fait du jeu de la tige du vérin et de son faible diamètre. Un tel dispositif auxiliaire de guidage, qui peut être constitué par un guidage a colonnes, a rails, à billes ou rouleaux, â glissières, etc., nécessite une liaison souple avec le vérin pour éviter les effets d'un défaut d'alignement. Un tel ensemble est coû- teux, compliqué et encombrant, et sa mise en place prend un temps important.When a jack must actuate a mechanism with good guidance, an auxiliary guiding device must be provided due to the play of the jack rod and its small diameter. Such an auxiliary guiding device, which can be constituted by a column, rail, ball or roller, slide guide, etc., requires a flexible connection with the jack to avoid the effects of a misalignment. Such an assembly is expensive, complicated and bulky, and its installation takes a long time.

La présente invention vise a fournir un nouveau vérin coMportant son propre guidage de précision intégré, qui soit d'une mise en oeuvre très simple et rapide, tout en étant économique, robuste et peu enconbrant. The present invention aims to provide a new actuator having its own integrated precision guide, which is very simple and rapid to use, while being economical, robust and compact.

A cet effet, le vérin selon l'invention est caractérisé par le fait que sa tige est constituée par une colonne rectifiée dont le diamètre est supérieur aux deux-tiers du diamètre du piston et qui coulisse dans une bague de guidage fixe, ledit vérin comportant des moyens d'arrêt en rotation de la tige ou de l'outil monté sur la tige. La colonne faisant office de tige de vérin a une rigidité propre et un guidage tels qu'elle permet en conséquence d'éliminer tout système de guidage auxiliaire.To this end, the cylinder according to the invention is characterized in that its rod is constituted by a rectified column whose diameter is greater than two-thirds of the diameter of the piston and which slides in a fixed guide ring, said cylinder comprising means for stopping the rod or the tool mounted on the rod from rotating. The column acting as an actuator rod has its own rigidity and a guidance such that it consequently makes it possible to eliminate any auxiliary guidance system.

Dans une forme de réalisation, lesdits moyens sont constitués par une goupille transversale coopérant avec une rainure d'un guide. Avantageusement, ledit guide comporte des moyens de détection de la proximité de la goupille d au moins une position de la rainure de guidage, lesdits moyens constituant un systeme de détection de fin de course de la tige.In one embodiment, said means consist of a transverse pin cooperating with a groove of a guide. Advantageously, said guide comprises means for detecting the proximity of the pin to at least one position of the guide groove, said means constituting a system for detecting the end of travel of the rod.

L'invention sera bien comprise a la lecture de la description suivante faite en se référant au dessin annexé dont la figure unique est une vue s#ématique en élévation d'un vérin selon un exemple de réalisation de l'invention.
Conformément a l'invention, le vérin comporte une tige 1 constituée par une colonne rectifiée de diamètre supérieur aux deux-tiers du diamètre du piston et qui coulisse dans une bague de guidage 2 solidaire d'un bâti 3.The invention will be clearly understood on reading the following description made with reference to the accompanying drawing, the single figure of which is a semematic elevation view of a jack according to an exemplary embodiment of the invention.
According to the invention, the jack comprises a rod 1 constituted by a rectified column with a diameter greater than two-thirds of the diameter of the piston and which slides in a guide ring 2 secured to a frame 3.

L'outil\j"'onté sur la tige 1 est muni d'une goupille transversale 4 dont la pointe 5 coulisse dans une rainure verticale 6 du guide 8, afin d'interdire la rotation de la tige 1. ta guide 8 porte deux capteurs 7 et 7' coopérant avec la pointe 5 de la goupille 4 pour détecter les fins de course du vérin.  The tool \ j "'have on the rod 1 is provided with a transverse pin 4 whose tip 5 slides in a vertical groove 6 of the guide 8, in order to prohibit the rotation of the rod 1. your guide 8 carries two sensors 7 and 7 'cooperating with the tip 5 of the pin 4 to detect the limit switches of the jack.

Claims (2)

REVENDICATIONS 1. - Vérin a guidage intégré, caractérisé par le fait que sa tige est constituée par une colonne rectifiée C1) dont le diamètre est supérieur aux deux-tiers du diamètre du piston et qui coulisse dans une bague de guidage (2) fixe, ledit vérin capotant des moyens d'arrêt en rotation de la tige (1) ou de l'outil (I') monté sur la tige (1).1. - Cylinder with integrated guide, characterized in that its rod is constituted by a rectified column C1) whose diameter is greater than two-thirds of the diameter of the piston and which slides in a fixed guide ring (2), said cylinder covering means for stopping the rod (1) or the tool (I ') rotating on the rod (1). 2.- Vérin selon la revendication 1, caractérisé par le fait que lesdits moyens sont constitués par une goupille transversale (4) coopérant avec une rainure (6) d'un guide (8) 3.- Vérin selon la revendication 2, caractérisé par le fait que ledit guide (8) comporte des moyens de détection ( 7, 7') de la proximité de la goupille (4) a au moins une position de la rainure de guidage (6), lesdits moyens constituant un système de détection de fin de course de la tige (1)  2.- jack according to claim 1, characterized in that said means are constituted by a transverse pin (4) cooperating with a groove (6) of a guide (8) 3.- jack according to claim 2, characterized by the fact that said guide (8) comprises means for detecting (7, 7 ') the proximity of the pin (4) has at least one position of the guide groove (6), said means constituting a system for detecting rod limit switch (1)
FR8715745A 1987-11-06 1987-11-06 INTEGRATED GUIDED CYLINDER Expired - Fee Related FR2622937B1 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FR8715745A FR2622937B1 (en) 1987-11-06 1987-11-06 INTEGRATED GUIDED CYLINDER
US07/264,362 US4902178A (en) 1987-11-06 1988-10-31 Rapid fixation device
DE8888402773T DE3878401T2 (en) 1987-11-06 1988-11-04 QUICK RELEASE DEVICE AND ASSIGNED PISTON.
EP88402773A EP0315542B1 (en) 1987-11-06 1988-11-04 Quick-clamping device and piston therefor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8715745A FR2622937B1 (en) 1987-11-06 1987-11-06 INTEGRATED GUIDED CYLINDER

Publications (2)

Publication Number Publication Date
FR2622937A1 true FR2622937A1 (en) 1989-05-12
FR2622937B1 FR2622937B1 (en) 1993-08-06

Family

ID=9356783

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8715745A Expired - Fee Related FR2622937B1 (en) 1987-11-06 1987-11-06 INTEGRATED GUIDED CYLINDER

Country Status (1)

Country Link
FR (1) FR2622937B1 (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB790771A (en) * 1954-10-18 1958-02-19 E P Barrus Concessionaires Ltd Improvements in and relating to hydraulic rams or jacks
US3717073A (en) * 1971-06-23 1973-02-20 Caterpillar Tractor Co Proximity switch magnet control for bucket positioner
CA1164287A (en) * 1981-02-16 1984-03-27 Ernest Lacasse Drive cylinder

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB790771A (en) * 1954-10-18 1958-02-19 E P Barrus Concessionaires Ltd Improvements in and relating to hydraulic rams or jacks
US3717073A (en) * 1971-06-23 1973-02-20 Caterpillar Tractor Co Proximity switch magnet control for bucket positioner
CA1164287A (en) * 1981-02-16 1984-03-27 Ernest Lacasse Drive cylinder

Also Published As

Publication number Publication date
FR2622937B1 (en) 1993-08-06

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