DE878588C - Mandrel for driving a workpiece or tool with a clamping roller lock - Google Patents

Mandrel for driving a workpiece or tool with a clamping roller lock

Info

Publication number
DE878588C
DE878588C DEB15772A DEB0015772A DE878588C DE 878588 C DE878588 C DE 878588C DE B15772 A DEB15772 A DE B15772A DE B0015772 A DEB0015772 A DE B0015772A DE 878588 C DE878588 C DE 878588C
Authority
DE
Germany
Prior art keywords
mandrel
workpiece
tool
driving
pinch roller
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
DEB15772A
Other languages
German (de)
Inventor
Stanislaus Benesch
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.)
Individual
Original Assignee
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 DEB15772A priority Critical patent/DE878588C/en
Application granted granted Critical
Publication of DE878588C publication Critical patent/DE878588C/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
    • B23B31/40—Expansion mandrels
    • B23B31/4086—Work or tool gripped by a roller movable on an inclined plane

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rolls And Other Rotary Bodies (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)

Description

Sp;a.nndorne mit seinem Klemmrollengesperre; bei. den in einer winkelförmigen Ausnehmung am Umfiang des Dornschaftes eine Klemmrolle eingelegt ist, nehmen nur nach einer Drehrichtung mit, versagen ;also bei einer rüddäufig-en Dhehung, was bei Verwendung lauf Fräsmaschinen sehr nachteilig empfiunden wird.' Ein weiterer lästiger Übelstand ist glas Herausfallen der lose eingelegten Klemmrolle.Sp; a.nndorne with its pinch roller lock; at. the one in an angular A clamping roller is inserted into the recess on the circumference of the mandrel shaft, only take after a direction of rotation with, fail; so with a rüddäuf-en Dhehung, what is felt to be very disadvantageous when using running milling machines. ' Another an annoying drawback is the loosely inserted pinch roller falling out.

Den; Mangel der Mitnahme nach der anderen `Drehrichtung beseitigt man nach der Erfindung dadurch, daß zwei winkelförmige Ausnehmungeai mit entgegengesetzt wirkender Mitnahme. vorgesehen sind in -die die Klemmrolle wahlweise einlegbar ist, so daß durch Wechsel .der Rolleneinlage wahlweise eine Rechts-oder Linksspannung ierreicht wird.The; The lack of driving in the other direction of rotation eliminated one according to the invention in that two angular recess ai with opposite effective entrainment. are provided in -that the pinch roller can optionally be inserted, so that by changing the roller insert, either right or left tensioning can be selected is reached.

Den Mangel des Herasfallens :der Rolle behebt man,- außer @durch. Sicherungsmöglichkeiten, wie SpeziaWebstoff, Federsicherungen usw., .a;m einfärhstendurch Magnetisierung der Rolle, wodurch das Herausfallen -derselben erschwert wird.The lack of falling down: the role is remedied - except @by. Securing options, such as special woven fabric, spring locks etc., a; m inking through Magnetization of the roll, which makes it difficult to fall out.

Die Zeichnung zeigt den Querschnitt dies erfindungsgemäß ausgebildeten Spannderns: In die eine Ausnehmüng A lam Dorn b ist :die Klemmrolle a magnetisiert eingebettet. Im Zusammenwirken mit der Bohrung des aufzunehmenden Werkstückes oder Werkzfeuges entsteht so lein Goesperre, das ein sicheres Klemmen zwischen .dem Dorn b und dem Aufnahmegegenstand c nach der zugehörigen Richtung- bewirkt, wobei .die andere Ausnehmung B leer bleibst und die Wirksamlwit der Spannung in keiner Weise beeinträchtigt. Durch Ändern der RolleneinIgge von der Ausnehmung A in B wird genau dieselbe, Spannwirkung in rückläufiger Dr:ehrIchtung errneicht.The drawing shows the cross-section of this tensioning device designed according to the invention: In which a recess A on the mandrel b is: the pinch roller a is magnetized embedded. In cooperation with the bore of the workpiece or tool to be picked up, a Goesperre is created, which causes a secure clamping between .dem mandrel b and receiving object c in the associated direction, whereby .the other recess B remains empty and the tension in none Way impaired. By changing the roller inlet from recess A to B, exactly the same clamping effect is achieved in a retrograde direction.

Claims (2)

PATENTANSPRüCHE: i. Spanndorn zur Mitnahme eines Werkstückes oder Werkzeuges mit einem KlemmrollengespeTre, bei dem meiner winkelförmigen Ausnehmung am 'Umfang des Dornschaftes eine Klemmrolle eingelegt ist, dadurch b kennzeichnet, daß zwei winkelförmige Ausnehmungen mit .entgegengesetzt wirkendeir Mitnahme vorgesehen sind, in die die Klemmrolle wahlweise einlegbar ist. PATENT CLAIMS: i. Mandrel for driving a workpiece or Tool with a pinch roller gear, in the case of my angular recess a pinch roller is inserted on the circumference of the mandrel shaft, characterized by b, that two angular recesses are provided with opposite acting entrainment are, in which the pinch roller can optionally be inserted. 2. Spanndarn nach Anspruch i, dadurch gekennzeichnet, @daß die Klemmrolle magnetisch und dadurch gegen Herausfallen gesichert ist.2. tensioning thread according to claim i, characterized in that the pinch roller is magnetic and thus prevents it from falling out is secured.
DEB15772A 1949-11-11 1949-11-11 Mandrel for driving a workpiece or tool with a clamping roller lock Expired DE878588C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DEB15772A DE878588C (en) 1949-11-11 1949-11-11 Mandrel for driving a workpiece or tool with a clamping roller lock

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEB15772A DE878588C (en) 1949-11-11 1949-11-11 Mandrel for driving a workpiece or tool with a clamping roller lock

Publications (1)

Publication Number Publication Date
DE878588C true DE878588C (en) 1953-06-05

Family

ID=6958604

Family Applications (1)

Application Number Title Priority Date Filing Date
DEB15772A Expired DE878588C (en) 1949-11-11 1949-11-11 Mandrel for driving a workpiece or tool with a clamping roller lock

Country Status (1)

Country Link
DE (1) DE878588C (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2356805A1 (en) * 1973-11-14 1975-05-15 Karl Keller Clamping chuck with several tension jaws - jaws move on flat paired surfaces with polytetrafluorethylene coating
US4717292A (en) * 1984-10-08 1988-01-05 Dom Holdings Plc Drill bit

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2356805A1 (en) * 1973-11-14 1975-05-15 Karl Keller Clamping chuck with several tension jaws - jaws move on flat paired surfaces with polytetrafluorethylene coating
US4717292A (en) * 1984-10-08 1988-01-05 Dom Holdings Plc Drill bit

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