DE1277768B - Device for screwing in screws - Google Patents
Device for screwing in screwsInfo
- Publication number
- DE1277768B DE1277768B DEL47587A DEL0047587A DE1277768B DE 1277768 B DE1277768 B DE 1277768B DE L47587 A DEL47587 A DE L47587A DE L0047587 A DEL0047587 A DE L0047587A DE 1277768 B DE1277768 B DE 1277768B
- Authority
- DE
- Germany
- Prior art keywords
- screw
- sleeve
- shaft
- guide sleeve
- blade
- 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
- B25B23/14—Arrangement of torque limiters or torque indicators in wrenches or screwdrivers
- B25B23/141—Mechanical overload release couplings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
- B25B23/02—Arrangements for handling screws or nuts
- B25B23/08—Arrangements for handling screws or nuts for holding or positioning screw or nut prior to or during its rotation
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Description
BUNDESREPUBLIK DEUTSCHLANDFEDERAL REPUBLIC OF GERMANY
DEUTSCHESGERMAN
PATENTAMTPATENT OFFICE
AUSLEGESCHRIFTEDITORIAL
Int. CL:Int. CL:
Nummer:
Aktenzeichen:
Anmeldetag:
Auslegetag:Number:
File number:
Registration date:
Display day:
B 25bB 25b
Deutsche KL: 87 a -19German KL: 87 a -19
P 12 77 768.3-15 (L 47587)P 12 77 768.3-15 (L 47587)
14. April 1964April 14, 1964
12. September 1968September 12, 1968
Die Erfindung betrifft eine Vorrichtung zum Einschrauben von Schräubchen mit einer am Ende eines Handgriffes angeordneten, motorisch in Drehung versetzbaren Schraubklinge, die in einer zum Handgriff axial federnd geführten Hülse läuft, welche zum Aufnehmen und Halten von Schräubchen von einem Luftstrom durchflossen ist.The invention relates to a device for screwing in screws with one at the end of a Handle arranged, motorized in rotation screw blade, which in one to the handle axially resiliently guided sleeve runs, which is used to pick up and hold screws from a stream of air is flowed through.
Die bisher bekannten Vorrichtungen dieser Art sehen für den Luftstrom eine Leitung vor, die seitlich an der Schraubenführungshülse angeschlossen ist und über die durch Druckluft Schrauben zugeführt werden. Abgesehen davon, daß die Handhabung einer Vorrichtung mit einer solchen seitlichen Leitung bei sehr kleinen Teilchen, wie z. B. bei Uhren, sehr störend ist, kann damit auch keine Schraube beim Einschraubvorgang gehalten werden. Es sind zum Halten besondere Klemmbacken notwendig. Es sind zwar Haltevorrichtungen bekannt, in deren Innerem ein Unterdruck herrscht, so daß Teile an ins Freie führende Öffnungen dieser Vorrichtungen angesogen und gehalten werden können. Dies erleichtert jedoch lediglich die Handhabung dieser Teile. Für Verschraubungsvorgänge, die schnell und sauber ausgeführt werden sollen, ist auch diese Vorrichtung nicht geeignet.The previously known devices of this type provide a line for the air flow, the side is connected to the screw guide sleeve and through which screws are supplied by compressed air. Apart from the fact that the handling of a device with such a lateral line at very small particles, such as B. in clocks, is very annoying, so no screw can be used during the screwing process being held. Special jaws are required to hold it. It is true Holding devices known, inside which there is a negative pressure, so that parts leading to the outside Openings of these devices can be sucked and held. However, this makes it easier only the handling of these parts. For screwing operations that are carried out quickly and cleanly should be, this device is not suitable.
Die Nachteile der bekannten Vorrichtungen der obengenannten Gattung werden gemäß der Erfindung dadurch vermieden, daß zum Antrieb der Schraubklinge eine biegsame Welle vorgesehen ist, deren Mantel zugleich auch als Leitung für einen Saugluftstrom dient, und daß die Leitung für den Saugluftstrom durch den Handgriff hindurch mit der Öffnung der Schraubenführungshülse kommuniziert.The disadvantages of the known devices of the above-mentioned kind are according to the invention avoided in that a flexible shaft is provided to drive the screw blade, the Jacket also serves as a line for a suction air flow, and that the line for the suction air flow communicates through the handle with the opening of the screw guide sleeve.
Statt mit zwei Leitungen, nämlich mit einer für die flexible Welle und mit einer davon getrennten für den Saugluftstrom, wie dies bei den bisher bekannten Vorrichtungen erforderlich war, ist der Handgriff der erfindungsgemäßen Vorrichtung nur mit einer Leitung verbunden, die zudem in der Verlängerung des Handgriffes am der Schraubklinge gegenüberliegenden Ende angeschlossen ist, so daß die Spitze der Vorrichtung mit der Schraubklinge so einfach und genau wie ein Bleistift geführt werden kann.Instead of two lines, namely one for the flexible shaft and one separate from it for the Suction air flow, as was necessary in the previously known devices, is the handle of the Device according to the invention connected only to one line, which is also in the extension of the handle at the opposite end of the screw blade, so that the tip of the device with the screw blade can be guided as easily and precisely as a pencil.
In der Zeichnung sind zwei Ausführungsbeispiele der Erfindung dargestellt.Two exemplary embodiments of the invention are shown in the drawing.
Es zeigtIt shows
Fig. 1 eine teilweise geschnittene Ansicht des ersten Ausführungsbeispiels einer Vorrichtung nach der Erfindung (die Vorrichtung ist in Ruhestellung dargestellt),Fig. 1 is a partially sectioned view of the first embodiment of a device according to of the invention (the device is shown in the rest position),
F i g. 2 eine teilweise geschnittene Ansicht eines zweiten Ausführungsbeispiels einer Vorrichtung nach
Vorrichtung zum Einschrauben
von SchräubchenF i g. 2 shows a partially sectioned view of a second exemplary embodiment of a device according to the screw-in device
of screws
Anmelder:Applicant:
Langendorf Watch Co., Langendorf (Schweiz)Langendorf Watch Co., Langendorf (Switzerland)
Vertreter:Representative:
Dr.-Ing. H. Fincke, Dipl.-Ing. H. BohrDr.-Ing. H. Fincke, Dipl.-Ing. H. Bohr
und Dipl.-Ing. G. Staeger, Patentanwälte,and Dipl.-Ing. G. Staeger, patent attorneys,
8000 München 5, Müllerstr. 318000 Munich 5, Müllerstr. 31
Beanspruchte Priorität:Claimed priority:
Schweiz vom 13. Juni 1963 (7297)Switzerland of June 13, 1963 (7297)
der Erfindung (die Vorrichtung ist in Ruhestellungof the invention (the device is in the rest position
ao dargestellt).ao shown).
In der in Fig. 1 dargestellten Vorrichtung bezeichnet 1 allgemein einen hohlzylindrischen Handgriff, der im wesentlichen aus drei miteinander verschraubten Hülsen 2, 3 und 4 besteht. Die Hülse 2 ist an einem Ende kegel- und am anderen Ende zylinderförmig. Am zylinderförmigen Ende ist die Hülse 3 eingeschraubt, deren Einschraublänge je nach Bedarf einstellbar ist. Eine Gegenmutter 5 sichert die jeweilige Einstellung. In das freie Ende dieser Hülse 3 ist die Hülse 4 eingeschraubt. Hier sichert eine Gegenmutter 6 die Lage der beiden Hülsen. Auf das freie Ende der Hülse 4 ist eine weitere Mutter 7 aufgeschraubt, an der der Mantel 8 einer flexiblen Welle 33 befestigt ist. Das Ende dieser Welle 33 ist über eine Verbindungshülse 32 mit einer Welle 9 drehfest verbunden. Die Welle 9 ist in einer selbstschmierenden Lagerbüchse 10 der Hülse 4 gelagert und überträgt mit ihrem flanschartigen Ende eine Drehbewegung über eine Reibungskupplung 11 auf eine Welle 12. Diese Welle 12 ist in zwei selbstschmierenden Lagerbüchsen 13 der Hülse 2 gelagert und liegt an einem Kugellager 14 an. Das Kugellager 14 ist an einer Schulter 15 der Hülse 3 abgestützt. Das der Kupplung 11 entgegengesetzt liegende Ende der Welle 12 ist hohl und mit einer Abflachung 16 zum Aufnehmen einer Schraubklinge 17 versehen. Die Hülse 2 ist innen stufenförmig abgesetzt. Dieser Absatz (Ringschulter 18) dient als Anschlag für den Flansch 20 einer Schraubenführungshülse 19. Eine die Welle 12 umschließende Druckfeder 21, deren Widerlager die Lagerbüchse 13 ist, drückt den Flansch 20 gegen die Ringschulter 18. In der Ruhestellung der Einschraubst» 600/205In the device shown in Fig. 1, 1 generally designates a hollow cylindrical handle, which essentially consists of three sleeves 2, 3 and 4 screwed together. The sleeve 2 is on conical at one end and cylindrical at the other end. The sleeve 3 is at the cylindrical end screwed in, the screw-in length of which can be adjusted as required. A lock nut 5 secures the respective Setting. The sleeve 4 is screwed into the free end of this sleeve 3. A lock nut secures here 6 the position of the two sleeves. Another nut 7 is screwed onto the free end of the sleeve 4, to which the jacket 8 of a flexible shaft 33 is attached. The end of this shaft 33 is over a connecting sleeve 32 is non-rotatably connected to a shaft 9. The shaft 9 is in a self-lubricating one Bearing bush 10 of the sleeve 4 and transmits a rotary movement with its flange-like end via a friction clutch 11 on a shaft 12. This shaft 12 is in two self-lubricating Bearing bushes 13 of the sleeve 2 are supported and bear against a ball bearing 14. The ball bearing 14 is on a shoulder 15 of the sleeve 3 is supported. The end of the shaft opposite the coupling 11 12 is hollow and provided with a flat 16 for receiving a screw blade 17. The sleeve 2 is stepped on the inside. This shoulder (ring shoulder 18) serves as a stop for the flange 20 a screw guide sleeve 19. A compression spring 21 surrounding the shaft 12, the abutment of which the Bearing bush 13 is, presses the flange 20 against the annular shoulder 18. In the rest position of the screw-in » 600/205
Claims (1)
stromes durch die Vorrichtung ist in den Figuren Gegebenenfalls könnte der Saugstrom, beispielsdurch Pfeile angedeutet. weise durch Anordnung eines Nadelventils, gedrosseltIn the device according to FIG. 2, the airtight, against the action of the spring 21, is shifted axially to the screw jacket 8 very simply by means of a bayonet locking blade, so that the screw end is first to be loosened from the handle. For this purpose, instead of, and finally, the front end of the screw blade 17 provided in the device according to FIG. 1, 25 is released. As soon as the friction clutch 11 screw connection between nut 7 and sleeve 4 slips, the screw with the desired bayonet lock 41 is provided. In addition, screwed in force. After the screw-in is lifted off, a quick-release fastener 42 between the end of the device and the screw-in point springs back the flexible drive shaft 33 and the shaft 9 - the screw guide sleeve is arranged back into its original position. Sealing rings 43 and 44 seal the 30 back, and the screwdriver is for receiving space 39 to the outside. The course of the suction of a new screw ready,
flow through the device is shown in the figures. The suction flow could, for example, be indicated by arrows. wise by arranging a needle valve, throttled
richtung aufgesetzt zu werden. Bei Schräubchen mit dickem Kopf, dessen Durch-according to FIG. 2 compared to that according to FIG. 1 loading 35 Heavily top-heavy screws, e. B. those with wide is that the screw blade 17 and the outermost, thin head, would be easier to change in a sleeve 19 with an associated screw guide sleeve 19 from a uniform, adapted to the screw head. For this purpose, the diameter of the sleeve 46 is insufficiently guided, so that abutments 47 are provided for the spring 21, and which they could be drawn in at an angle and not in the sleeve 46 would come into engagement with the screw blade forming a fixed stop 46 ' . For such an intermediate sleeve 46 "created. When changing over to a screw, a different screw size can be used in the screw guide sleeve 19 in the sleeve 47. To leave scratches on the screw heads. It only needs to avoid a different one for 45, this shoulder is adapted to the screw head with the advantage of the following screw size matching sleeve 47 and of sharp with corresponding, built-in parts freed on the front edges,
direction to be put on. For screws with a thick head, the diameter of which
den am Ende der Welle 9 befindlichen Kupplungsteller 31 gegen die Kupplung 11 drückt. Durch Ver- Patentansprüche:
größern oder Verkleinern der Federkraft der Feder 65The devices of the embodiments according to the niche shape of the screw guide sleeve 19 in Be-F i g. 1 and 2 have a friction clutch 11 with rich screw mount. This pencil tip adjustable torque. The torque in a similar shape enables precise feeding of the carries a helical compression spring 29, which, wound around the screw held in the sleeve on the threaded shaft 9, is on the one hand at the bearing bushing hole (screwing point), because the view is not be-10 is supported and on the other hand prevents a ball bearing 30.
the clutch plate 31 located at the end of the shaft 9 presses against the clutch 11. By claims:
increase or decrease the spring force of the spring 65
Deutsche Patentschrift Nr. 1149 310;
USA.-Patentschriften Nr. 2 534140, 2 544165,
721.Considered publications:
German Patent No. 1149 310;
U.S. Patent Nos. 2,534,140, 2,544,165,
721
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH1277768X | 1963-06-13 |
Publications (1)
Publication Number | Publication Date |
---|---|
DE1277768B true DE1277768B (en) | 1968-09-12 |
Family
ID=4565255
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DEL47587A Pending DE1277768B (en) | 1963-06-13 | 1964-04-14 | Device for screwing in screws |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE1277768B (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4924732A (en) * | 1987-07-27 | 1990-05-15 | Alliance Automation Systems, Inc. | Power driven screwdriver with vacuum for removing contaminants |
WO2020002116A1 (en) * | 2018-06-29 | 2020-01-02 | Atlas Copco Industrial Technique Ab | Sealing arrangement for a tightening tool |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2534140A (en) * | 1948-02-14 | 1950-12-12 | Air A Feed Equipment Inc | Manually applied power-driven machine for automatically delivering and driving a fastener |
US2544165A (en) * | 1948-06-05 | 1951-03-06 | Air A Feed Equipment Inc | Power-operated semiautomatic screw driver |
US2657721A (en) * | 1951-01-03 | 1953-11-03 | Keller Tool Co | Screw feed and drive mechanism |
-
1964
- 1964-04-14 DE DEL47587A patent/DE1277768B/en active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2534140A (en) * | 1948-02-14 | 1950-12-12 | Air A Feed Equipment Inc | Manually applied power-driven machine for automatically delivering and driving a fastener |
US2544165A (en) * | 1948-06-05 | 1951-03-06 | Air A Feed Equipment Inc | Power-operated semiautomatic screw driver |
US2657721A (en) * | 1951-01-03 | 1953-11-03 | Keller Tool Co | Screw feed and drive mechanism |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4924732A (en) * | 1987-07-27 | 1990-05-15 | Alliance Automation Systems, Inc. | Power driven screwdriver with vacuum for removing contaminants |
WO2020002116A1 (en) * | 2018-06-29 | 2020-01-02 | Atlas Copco Industrial Technique Ab | Sealing arrangement for a tightening tool |
CN112334275A (en) * | 2018-06-29 | 2021-02-05 | 阿特拉斯·科普柯工业技术公司 | Sealing structure for tightening tool |
US11590643B2 (en) | 2018-06-29 | 2023-02-28 | Atlas Copco Industrial Technique Ab | Sealing arrangement for a tightening tool |
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