DE471586C - Pneumatic workpiece holder - Google Patents

Pneumatic workpiece holder

Info

Publication number
DE471586C
DE471586C DEST42301D DEST042301D DE471586C DE 471586 C DE471586 C DE 471586C DE ST42301 D DEST42301 D DE ST42301D DE ST042301 D DEST042301 D DE ST042301D DE 471586 C DE471586 C DE 471586C
Authority
DE
Germany
Prior art keywords
cylinder
suction
workpiece holder
vacuum chamber
piston
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
DEST42301D
Other languages
German (de)
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.)
FRIEDRICH STREB
Original Assignee
FRIEDRICH STREB
Publication date
Priority to DEST42301D priority Critical patent/DE471586C/en
Application granted granted Critical
Publication of DE471586C publication Critical patent/DE471586C/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B7/00—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor
    • B24B7/20—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor characterised by a special design with respect to properties of the material of non-metallic articles to be ground
    • B24B7/22—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor characterised by a special design with respect to properties of the material of non-metallic articles to be ground for grinding inorganic material, e.g. stone, ceramics, porcelain
    • B24B7/24—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor characterised by a special design with respect to properties of the material of non-metallic articles to be ground for grinding inorganic material, e.g. stone, ceramics, porcelain for grinding or polishing glass
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
    • B66C1/02—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by suction means
    • B66C1/0212—Circular shape
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
    • B66C1/02—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by suction means
    • B66C1/0225—Hand held
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
    • B66C1/02—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by suction means
    • B66C1/0256—Operating and control devices
    • B66C1/0275—Operating and control devices actuated by lifting action
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
    • B66C1/02—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by suction means
    • B66C1/0293—Single lifting units; Only one suction cup

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)

Description

Pneumatischer Werkstückhalter Die Erfindung bezieht sich auf einen pneumatischen Werkstückhalter für Glasschleif-und -poliermaschinen, bei dem ein unter Federdruck stehender Saugkolben eine stetig saugende Wirkung auf das Werkstück ausübt.Pneumatic workpiece holder The invention relates to a pneumatic workpiece holder for glass grinding and polishing machines, in which a Suction piston under spring pressure has a steady suction effect on the workpiece exercises.

Bisher bekannte pneumatische Werkstückhalter zur Befestigung von Glasscheiben, bei welchen die Vakuumkammer durch Saugleitungen mit maschinell betriebenen Vakuumpumpen verbunden ist, erfordern finanziell großen Aufwand. Andere bekannte Saugvorrichtungen und Methoden zur Erzeugung eines Vakuums, wie z. B. die Raumvergrößerung eines Gummisaugers durch Entspannen einer Feder oder wie das Anziehen eines Kolbens in einem Zylinder, der in einer bestimmten Saugstellung gesperrt wird, entsprechen nicht den neuzeitlichen Anforderungen, da bei geringsten Undichtigkeiten die Saugwirkung aufhört. Derartige Nachteile sind bei dem neuen pneumatischen Werkstückhalter beseitigt.Previously known pneumatic workpiece holders for fastening glass panes, in which the vacuum chamber is driven by suction lines with machine-operated vacuum pumps connected, require a great deal of financial effort. Other known suction devices and methods of creating a vacuum, such as. B. the increase in space of a rubber suction cup by releasing a spring or like tightening a piston in a cylinder, which is blocked in a certain suction position, do not correspond to the modern ones Requirements, since the suction effect stops with the slightest leak. Such Disadvantages are eliminated with the new pneumatic workpiece holder.

Erfindungsgemäß wird nach Auflegen des Werkstückes auf die Dichtungsfläche durch einen unter Federdruck stehenden Kolben bei verkleinerter Saugkammer eine stetige Wirkung ausgeübt, wobei durch Herunterdrücken des über den Kolben gestülpten, gegen Federdruck auf einer Haltespindel geführten Zylinders die Vakuumkammer verkleinert wird und nach Freigabe desselben Saugwirkung eintritt.According to the invention, after the workpiece has been placed on the sealing surface by a piston under spring pressure with a reduced suction chamber constant effect exerted, whereby by pressing down the placed over the piston, The vacuum chamber is reduced in size against spring pressure on a cylinder guided by a holding spindle and occurs after release of the same suction.

In der Abbildung ist der Werkstückhalter dargestellt. Er besteht aus einem Zylinder a, einem Kolben c und einer durchbohrtenHaltespindel d, an deren Endplatte e ein Dichtungsring f angebracht ist. Der durch die Haltespindel d geführte Zylinder a, welcher über den Kolben c gestülpt ist, steht räumlich durch die Bohrung der Haltespindel mit dem Raum innerhalb des Dichtungsringes f in Verbindung. Die Feder g hält Kolben und Zylinder gegenseitig unter Federdruck. Wird nun durch Herunterdrücken des Zylinders der Vakuumkammerraum verkleinert, wobei bei gleichzeitiger Abführung der Luft durch die durchbohrte Haltespindel die Feder sich spannt, so daß nach erfolgtem Auflegen des Werkstückes h nach Freigabe des Zylinders Saugwirkung eintritt. Jedes Abgleiten, Herabfallen oder auch Verschieben des Werkstückes ist nach längerer Zeit vollständig ausgeschlossen, da sich die Feder bei Luftzutritt durch Undichtigkeiten weiter entspannt und das Vakuum stetig aufrechterhält.The workpiece holder is shown in the illustration. It consists of a cylinder a, a piston c and a pierced holding spindle d, on the end plate e of which a sealing ring f is attached. The cylinder a guided through the holding spindle d, which is slipped over the piston c, is spatially connected to the space within the sealing ring f through the bore of the holding spindle. The spring g keeps the piston and cylinder mutually under spring pressure. If the vacuum chamber space is now reduced by pressing the cylinder down, the spring is tensioned while the air is simultaneously discharged through the pierced holding spindle, so that after the workpiece has been placed h after the cylinder has been released, suction occurs. Any sliding, falling or shifting of the workpiece is completely ruled out after a long period of time, as the spring continues to relax due to leaks and the vacuum is constantly maintained.

Durch die geringen Ausmaße und infolge der zweckmäßigen Einrichtung ist der Werkstückhalter leicht von Hand transportabel und seine Verwendung bei Glasschleif- und -poliermaschinen vereinfacht und erleichtert das Einstellen und Ausrichten des Werkstückes ganz bedeutend.Due to the small size and due to the functional equipment the workpiece holder is easy to transport by hand and its use for glass grinding and polishing machines simplify and facilitate the adjustment and alignment of the Workpiece very important.

Claims (1)

PATENTANSPRUCFI: Pneumatischer Werkstückhalter, bei dem der Saugkolben, unter der Wirkung einer Feder stehend, nach Auflegen des Werkstückes auf die Dichtungsfläche bei verkleinerter Saugkammer eine stetige Wirkung ausübt, dadurch gekennzeichnet, daß zur Herstellung eines leicht transportablen, von Hand zu haltenden W erkstückhalters mit fester Vakuumkammer auf der durchbohrten Haltespindel (d) mit der Vakuumkammer am äußeren Ende ein Kolben (c) angeordnet ist und darüber der Zylinder (a), gegen Federdruck (g) auf der Spindel geführt, gestülpt ist, so daß nach Verkleinerung des Vakuumkammerraumes durch Herunterdrücken des Zy- linders mit der Möglichkeit der Luftabführung dabei und nach darauf folgender Freigabe des Zylinders die Saugwirkung eintritt.PATENT CLAIM: Pneumatic workpiece holder, in which the suction piston, under the action of a spring, exerts a constant effect after the workpiece has been placed on the sealing surface with a reduced suction chamber, characterized in that for the production of an easily transportable, hand-held workpiece holder with a fixed Vacuum chamber on the pierced holding spindle (d) with the vacuum chamber at the outer end a piston (c) is arranged and above it the cylinder (a), guided against spring pressure (g) on the spindle, is turned over, so that after reducing the vacuum chamber space by pressing down of the cylinder with the possibility of air evacuation and after the subsequent release of the cylinder, the suction effect occurs.
DEST42301D Pneumatic workpiece holder Expired DE471586C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DEST42301D DE471586C (en) Pneumatic workpiece holder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEST42301D DE471586C (en) Pneumatic workpiece holder

Publications (1)

Publication Number Publication Date
DE471586C true DE471586C (en) 1929-02-14

Family

ID=7464172

Family Applications (1)

Application Number Title Priority Date Filing Date
DEST42301D Expired DE471586C (en) Pneumatic workpiece holder

Country Status (1)

Country Link
DE (1) DE471586C (en)

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