DE951326C - Device for securing the chuck on the externally threaded work spindle of a machine tool by means of a counter nut - Google Patents

Device for securing the chuck on the externally threaded work spindle of a machine tool by means of a counter nut

Info

Publication number
DE951326C
DE951326C DEB22293A DEB0022293A DE951326C DE 951326 C DE951326 C DE 951326C DE B22293 A DEB22293 A DE B22293A DE B0022293 A DEB0022293 A DE B0022293A DE 951326 C DE951326 C DE 951326C
Authority
DE
Germany
Prior art keywords
chuck
securing
work spindle
machine tool
externally threaded
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
DEB22293A
Other languages
German (de)
Inventor
Wilhelm Piel
Kaspar Ritter
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.)
Berg and Co GmbH
Original Assignee
Berg and Co 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 Berg and Co GmbH filed Critical Berg and Co GmbH
Priority to DEB22293A priority Critical patent/DE951326C/en
Application granted granted Critical
Publication of DE951326C publication Critical patent/DE951326C/en
Expired legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, 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
    • B23Q3/00Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
    • B23Q3/12Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for securing to a spindle in general

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Gripping On Spindles (AREA)

Description

Es ist bekannt, die Spannfutter von Werkzeugmaschinen auf der mit Außengewinde versehenen Arbeitsspindel mittels einer Gegenmutter zu sichern, jedoch. hat die Praxis gezeigt, daß sich die so befestigten. Spannfutter bei schnell umlaufender oder bei Linksdrehung der Arbeitsspindel leicht lösen.It is known to use the chucks of machine tools on the To secure externally threaded work spindle by means of a lock nut, however. Practice has shown that they attached themselves in this way. Chuck with fast rotating or slightly loosen it by turning the work spindle to the left.

Dieser Übelstand wird durch die Sicherungsvorrichtung nach der Erfindung beseitigt, die aus einer radial geschlitzten und mit einer Klemmschraube versehenen Gegenmutter besteht, welche eine Ausbohrung besitzt, die eine auf der Nabe des Futterkörpers angeordnete Sitzfläche umfaßt.This drawback is caused by the safety device according to the invention eliminated from a radially slotted and provided with a clamping screw There is a counter nut which has a bore that is one on the hub of the chuck body arranged seat includes.

Man hat zwar schon Klemmvorrichtungen zum Sichern von Spannfuttern auf Arbeitsspindeln von Werkzeugmaschinen vorgeschlagen, die ein Ablaufen des Futters von der Spindel bei beiden Drehrichtungen verhindern sollen, z. B. in Form eines zwischen den Bund der Maschinenspindel und das Spannfutter einsetzbaren, geteilten Ringes mit hohlkegelig ausgedrehter Stirnfläche für einen Kegelansatz der Spannfutternabe oder auch in Form einer Ringfeder, durch welche eine axiale Verspannung der Befestigungsgewinde erfolgt. Die bekannten Klemmvorrichtungen dieseir Art haben jedoch den Nachteil, daß sie zu großeAbmessungen erfordern und außerdem verhältnismäßig kompliziert und auch zu kostspielig sind. Demgegenüber zeichnet sich die Sicherungsvorrichtung nach der Erfindung durch sehr geringen Raumbedarf sowie durch besondere Einfachheit und Billigkeit aus. Durch den geringen Raumbedarf der Sicherungseinrichtung ist es möglich, die Spannfutter selbst bei ungünstigster Anordnung des Spindelendes mit ausreichender Sicherheit zu befestigen und das Schwung- b.zw. Biegun:gsmoment klein zu halten. Das ist aber für die Rundlaufgenauigkeit der Maschine und die Lebensdauer der Lagerung von ausschlaggebender Bedeutung. In der Zeichnung ist ein. Ausführungsbeispiel der Erfindung dargestellt. Es zeigt Fig. i eine Stirnansicht der Sicherungsvorrichtung, Fig. 2 einen Schnitt nach der Linie A-B der Fig. i.One already has clamping devices for securing chucks Proposed on work spindles of machine tools that allow the chuck to run off to prevent from the spindle in both directions of rotation, z. B. in the form of a split between the collar of the machine spindle and the chuck Ring with a hollow conical turned end face for a conical shoulder of the chuck hub or in the form of an annular spring, through which an axial bracing of the fastening thread he follows. The known clamping devices of this type, however, have the disadvantage that they require too large dimensions and also relatively complicated and are also too costly. In contrast, the safety device is distinguished the invention by very little space and by particular simplicity and Cheapness out. Due to the small space requirement of the safety device, it is possible even with the most unfavorable arrangement of the spindle end, the chuck has sufficient To attach security and the swing or. Bending: to keep the moment small. But that is for the concentricity of the machine and the service life of the bearings of vital importance. In the drawing is a. Embodiment of the Invention shown. It shows Fig. I an end view of the safety device, Fig. 2 is a section along the line A-B of Fig. I.

Das in bekannter Weise ausgebildete und daher in der Zeichnung nur teilweise angedeutete Spannfutter a ist mit einer Nabe b auf das mit Außengewinde versehene Ende der Arbeitsspindel c aufgeschraubt. Zur Sicherung der Nabe b gegen Lösen .ist erfindungsgemäß die auf das Außengewinde der -Arbeitsspindel aufschraubbare Ringmutter f mit einem radialen Schlitz d versehen. An ihrer der Nabe b zugekehrten- Seite besitzt die Gegenmutter feine Ausbohrung, die eine auf der Nabe b angeordnete ringförmige Sitzfläche k umfaßt. Zum Anziehen der Ringmutter f dient eine Klemmschraube g, durch die die Mutter sowohl auf dem Gewinde der Arbeitsspindel c als auch auf dem Sitz h festgeklemmt. wird. The chuck a , designed in a known manner and therefore only partially indicated in the drawing, is screwed with a hub b onto the end of the work spindle c provided with an external thread. To secure the hub b against loosening. According to the invention, the ring nut f that can be screwed onto the external thread of the working spindle is provided with a radial slot d. On its side facing the hub b, the lock nut has a fine bore which comprises an annular seat surface k arranged on the hub b. A clamping screw g is used to tighten the ring nut f, by means of which the nut is clamped both on the thread of the work spindle c and on the seat h. will.

Claims (1)

PATENTANSPRUCH: Vorrichtung zur Sicherung des Spannfutters auf der mit Außengewinde versehenen Arbeitsspindel einer Werkzeugmaschine mittels Gegenmutter, dadurch gekennzeichnet, daß die Gegen.-mutter radial geschlitzt (d) und mit einer Klemmschraube (g) versehen ist und eine Ausbohrung besitzt, die eine auf der Nabe (b) des Futterkörpers angeordnete Sitzfläche (h) umfaßt. In Betracht gezogene Druckschriften: Deutsche Patentschriften Nr. 557 o56, 831 477, 736:24; USA.-Patentschrift Nr. 2 452 g86.Claim: Device for securing the chuck on the externally threaded work spindle of a machine tool by means of a counter nut, characterized in that the counter nut is radially slotted (d) and is provided with a clamping screw (g) and has a bore that has one on the Hub (b) of the chuck body arranged seat surface (h) comprises. Considered publications: German Patent Nos. 557 056, 831 477, 736: 24; U.S. Patent No. 2,452g86.
DEB22293A 1952-10-04 1952-10-04 Device for securing the chuck on the externally threaded work spindle of a machine tool by means of a counter nut Expired DE951326C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DEB22293A DE951326C (en) 1952-10-04 1952-10-04 Device for securing the chuck on the externally threaded work spindle of a machine tool by means of a counter nut

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEB22293A DE951326C (en) 1952-10-04 1952-10-04 Device for securing the chuck on the externally threaded work spindle of a machine tool by means of a counter nut

Publications (1)

Publication Number Publication Date
DE951326C true DE951326C (en) 1956-10-25

Family

ID=6960855

Family Applications (1)

Application Number Title Priority Date Filing Date
DEB22293A Expired DE951326C (en) 1952-10-04 1952-10-04 Device for securing the chuck on the externally threaded work spindle of a machine tool by means of a counter nut

Country Status (1)

Country Link
DE (1) DE951326C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3105537A1 (en) * 1981-02-16 1982-08-26 Jungwirth und Döllerer GmbH, 8019 Aßling Collet

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE557056C (en) * 1932-08-18 Magdeburger Werkzeugmaschinenf Counter washer or counter ring that is placed between the collar of the work spindle of machine tools and the chuck to be screwed on
DE736214C (en) * 1939-10-20 1943-06-09 Ringfeder Gmbh Intermediate layer for fastening the faceplate or the chuck of a machine tool
US2452986A (en) * 1943-09-02 1948-11-02 Gen Die Stamping Tool Company Collet and collet chuck therefor
DE831477C (en) * 1944-07-02 1952-02-14 Willy Pieper Counter ring that is inserted between the collar of the work spindle of machine tools and the chuck to be screwed on

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE557056C (en) * 1932-08-18 Magdeburger Werkzeugmaschinenf Counter washer or counter ring that is placed between the collar of the work spindle of machine tools and the chuck to be screwed on
DE736214C (en) * 1939-10-20 1943-06-09 Ringfeder Gmbh Intermediate layer for fastening the faceplate or the chuck of a machine tool
US2452986A (en) * 1943-09-02 1948-11-02 Gen Die Stamping Tool Company Collet and collet chuck therefor
DE831477C (en) * 1944-07-02 1952-02-14 Willy Pieper Counter ring that is inserted between the collar of the work spindle of machine tools and the chuck to be screwed on

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3105537A1 (en) * 1981-02-16 1982-08-26 Jungwirth und Döllerer GmbH, 8019 Aßling Collet

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