AT24430B - Material clamping sleeve with spring device for automatic turret lathes. - Google Patents

Material clamping sleeve with spring device for automatic turret lathes.

Info

Publication number
AT24430B
AT24430B AT24430DA AT24430B AT 24430 B AT24430 B AT 24430B AT 24430D A AT24430D A AT 24430DA AT 24430 B AT24430 B AT 24430B
Authority
AT
Austria
Prior art keywords
clamping sleeve
spring device
material clamping
turret lathes
automatic turret
Prior art date
Application number
Other languages
German (de)
Original Assignee
Nat Acme Mfg Co
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 Nat Acme Mfg Co filed Critical Nat Acme Mfg Co
Application granted granted Critical
Publication of AT24430B publication Critical patent/AT24430B/en

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Description

  

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   Solange sich nun in dem Vorschubrohre oino Materialstange befindet und die Backen seines   Spannmauls   diese fest umgreifen und somit auch das Vorschubrohr feststellen, kann eine zufällige, den Spielräumen zwischen Vorschubdaumen f und Hülsennut des Vorschubrohres 33 entsprechende Verschiebung des Vorschubrobres gegenüber der Materialbülse nicht eintreten ; dies ist aber dann leicht möglich, wenn keine Materialstange in dem 
 EMI2.1 
   Vorschuhrohros zu verhindern (sind bisher   bei Revolverdrehbänken der beschriebenen Art an dem Maschinengestell besondere Supporte vorgesehen. Diese tragen einen Führungsring, auf den die entsprechend gestalteten hinteren Kopfteile der   Vorschabrohro auftaufen, so   dass eine nicht beabsichtigte Verschiebung dieser Rohre gegenüber den Materialhülsen nicht stattfinden kann. 



   Nach vorliegender Erfindung sind nun diese Supporte, sowie der Führungsring und die Einstellvorrichtungen dadurch vollkommen entbehrlich gemacht, dass die   Materialbülse   30 mit einer nach innen gerichteten Feder a ausgestattet ist, die gegen das Vorschubrohr wirkt und dadurch dieses auch dann gegen eine zufällige Längsverschiebung sichert, wenn kein Material mehr vorhanden ist. Wie aus Fig. 3 ersichtlich, kann diese Feder, statt besonders an dem Vorschubrohre angebracht zu sein, auch aus einem entsprechend nach innen gebogenen Ausschnitt des Rohres 30 gewonnen werden.



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   As long as there is a material bar in the feed tube and the jaws of its clamping jaw grip it tightly and thus also determine the feed tube, an accidental displacement of the feed tube relative to the material sleeve, corresponding to the gaps between the feed thumb f and the sleeve groove of the feed tube 33, cannot occur; but this is easily possible if there is no material bar in the
 EMI2.1
   To prevent front shoe tubes (special supports have so far been provided on the machine frame of turret lathes of the type described. These carry a guide ring on which the appropriately designed rear head parts of the front tube head so that an unintended displacement of these tubes relative to the material sleeves cannot take place.



   According to the present invention, these supports, as well as the guide ring and the adjustment devices are completely dispensable in that the material sleeve 30 is equipped with an inwardly directed spring a, which acts against the feed tube and thereby also secures it against accidental longitudinal displacement when no more material is available. As can be seen from FIG. 3, this spring, instead of being attached specifically to the feed pipe, can also be obtained from a cutout of the pipe 30 that is correspondingly bent inward.

 

Claims (1)

PATENT-ANSPRUCH : Matorialspannhülso für selbsttätige Revolverdrehbänko, dadurch gekennzeichnet, dass zwecks Verhinderung einer zufälligen, aus den unvermeidlichen Spielräumen der Steuerung- EMI2.2 diese in ihrem Innern mit einer gegen das Vorschubrohr ) wirkenden Festste1lfeder (a) ausgestattet ist. PATENT CLAIM: Matorial clamping sleeve for automatic revolver lathe, characterized in that in order to prevent accidental, out of the inevitable leeway of the control EMI2.2 inside it is equipped with a fixed spring (a) acting against the feed pipe.
AT24430D 1905-03-27 1905-03-27 Material clamping sleeve with spring device for automatic turret lathes. AT24430B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT24430T 1905-03-27

Publications (1)

Publication Number Publication Date
AT24430B true AT24430B (en) 1906-06-11

Family

ID=3534428

Family Applications (1)

Application Number Title Priority Date Filing Date
AT24430D AT24430B (en) 1905-03-27 1905-03-27 Material clamping sleeve with spring device for automatic turret lathes.

Country Status (1)

Country Link
AT (1) AT24430B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE845297C (en) * 1941-10-31 1952-07-31 Tavannes Machines Co S A Device for clamping and loosening the chuck of an automatic lathe equipped with a movable headstock
DE876499C (en) * 1942-04-01 1953-05-15 Schuette Fa Alfred H Device for actuating the collet in single or multi-spindle turning and turret turning arms

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE845297C (en) * 1941-10-31 1952-07-31 Tavannes Machines Co S A Device for clamping and loosening the chuck of an automatic lathe equipped with a movable headstock
DE876499C (en) * 1942-04-01 1953-05-15 Schuette Fa Alfred H Device for actuating the collet in single or multi-spindle turning and turret turning arms

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