DE10361324B3 - Compact attachment for a power hand drill for sharpening drill bits is clamped to the drill housing and has adjustable angled grinding discs and a spring loaded holder for the drill bits - Google Patents

Compact attachment for a power hand drill for sharpening drill bits is clamped to the drill housing and has adjustable angled grinding discs and a spring loaded holder for the drill bits Download PDF

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Publication number
DE10361324B3
DE10361324B3 DE2003161324 DE10361324A DE10361324B3 DE 10361324 B3 DE10361324 B3 DE 10361324B3 DE 2003161324 DE2003161324 DE 2003161324 DE 10361324 A DE10361324 A DE 10361324A DE 10361324 B3 DE10361324 B3 DE 10361324B3
Authority
DE
Germany
Prior art keywords
drill
attachment
clamped
bits
drill bits
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 - Fee Related
Application number
DE2003161324
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German (de)
Inventor
Stefan Traublinger
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.)
TRAUBLINGER, STEFAN, 86687 KAISHEIM, DE
Original Assignee
Stefan Traublinger
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 Stefan Traublinger filed Critical Stefan Traublinger
Priority to DE2003161324 priority Critical patent/DE10361324B3/en
Priority to DE20320592U priority patent/DE20320592U1/en
Application granted granted Critical
Publication of DE10361324B3 publication Critical patent/DE10361324B3/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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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
    • B24B3/00—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools
    • B24B3/24—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools of drills
    • B24B3/26—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools of drills of the point of twist drills
    • B24B3/265—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools of drills of the point of twist drills using devices specially adapted for domestic use

Abstract

A compact attachment for a power hand drill has a compact frame mounted onto the drill housing by clamps secured by threaded fasteners. Grinding wheels/discs are driven from the drill chuck via geared connection with the grinding angles adjustable. The drill bits are clamped into a holder which is spring loaded to push the bits onto the grinding discs. The system can also be used for dressing the grinding surfaces with access to the grinding wheels for cleaning and replacement.

Description

Die Erfindung betrifft einen Aufsatz für handelsübliche Handbohrmaschinen, welcher zum Nachschleifen der Spitze von abgebrochenen oder stumpfen Bohrern dient.The The invention relates to an attachment for commercial hand drills, which for regrinding the tip of broken or blunt drills serves.

Ein Aufsatz dieser Art ist aus der DE 41 18 737 A1 bekannt.An essay of this kind is from the DE 41 18 737 A1 known.

Die mit der Erfindung erzielten Vorteile liegen in der einfachen Handhabung und insbesondere in der Möglichkeit, den Aufsatz überall einfach und problemlos einzusetzen.The achieved with the invention advantages are easy to use and in particular the possibility of the essay everywhere simple and easy to use.

Aufgrund seiner geringen Größe kann der Aufsatz in jedem üblichen Werkzeugkasten transportiert werden.by virtue of its small size can the essay in every usual Tool box to be transported.

Der Erfindung liegt die Aufgabe zugrune, einen abgebrochenen oder stumpfen Bohrer mit möglichst geringen Aufwand jederzeit nachzuschleifen.Of the Invention is the task zugrune, a broken or dull Drill with as possible nachzuschleifen little effort at any time.

Gelöst wird diese Aufgabe durch einen Aufsatz mit den Merkmalen des Patentanspruchs 1.Is solved this task by an essay with the features of the claim 1.

Nachstehend wird die Erfindung anhand eines Ausführungsbeispiels näher erläutert:
Der Aufsatz wird in das Spannfutter der Handbohrmaschine eingespannt und mittels Schraubzwingen an ihr fixiert. Der abgebrochene oder stumpfe Bohrer wird mit der nachzuschleifenden Spitze voraus in das gegengefederte Spannfutter des Aufsatzes eingespannt. Dabei muss der Bohrer bis zum Anschlag eingeschoben und das Spannfutter nach oben gezogen werden. Somit übt das Spannfutter über den Bohrer Druck auf die Schleifsteine aus. Wird nun die Handbohrmaschine für kurze Zeit betätigt, wird der Bohrer nachgeschliffen. Aufgrund der Anordnung der Schleifsteine wird die Spitze des Bohrers im 90°-Winkel geschliffen.The invention will be explained in more detail below with reference to an exemplary embodiment:
The attachment is clamped in the chuck of the hand drill and fixed to it by means of screw clamps. The broken or blunt drill bit is clamped in advance in the counter-sprung chuck of the attachment with the tip to be reground. The drill must be pushed in as far as possible and the chuck pulled upwards. Thus, the chuck exerts pressure on the grindstones via the drill. Now, if the hand drill is operated for a short time, the drill is reground. Due to the arrangement of the grinding stones, the tip of the drill is ground at a 90 ° angle.

Claims (4)

Aufsatz für handelsübliche Handbohrmaschinen, welcher zum Nachschleifen der Spitze von abgebrochenen oder stumpfen Bohrern dient, dadurch gekennzeichnet, dass über Zahnräder zwei scheibenförmige Schleifsteine angetrieben werden, welche zueinander einen 90°-Winkel bilden und zum Nachschleifen die Kanten der Schleifsteine vorgesehen sind.Attachment for commercial hand drills, which is used for regrinding the tip of broken or blunt drills, characterized in that two disc-shaped grindstones are driven by gears, which form a 90 ° angle to each other and the edges of the grindstones are provided for regrinding. Aufsatz nach Anspruch 1, dadurch gekennzeichnet, dass am Aufsatz ein gegengefedertes Spannfutter angebracht ist, in welches der nachzuschleifende Bohrer mit der abgebrochenen oder stumpfen Spitze voraus bis zum Anschlag eingespannt wird, und durch welches der Bohrer gegen die Schleifsteine gedrückt und gleichzeitig während des Schleifvorganges fixiert wird.Attachment according to claim 1, characterized that a counter-sprung chuck is attached to the attachment, in which the nachzuschleifende drills with the broken or blunt Tip is clamped in advance to the stop, and by which the drill pressed against the grindstones and simultaneously during the grinding process is fixed. Aufsatz nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass der Aufsatz mittels Schraubzwingen an der Handbohrmaschine fixiert werden kann.Attachment according to claim 1 or 2, characterized that the attachment by means of screw clamps on the hand drill can be fixed. Aufsatz nach Anspruch 1 bis 3, dadurch gekennzeichnet, dass sich der Aufsatz zum Säubern oder Auswechseln der Schleifsteine öffnen lässt.Attachment according to Claims 1 to 3, characterized that the essay for cleaning or Open replacement of the grinding stones leaves.
DE2003161324 2003-12-27 2003-12-27 Compact attachment for a power hand drill for sharpening drill bits is clamped to the drill housing and has adjustable angled grinding discs and a spring loaded holder for the drill bits Expired - Fee Related DE10361324B3 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE2003161324 DE10361324B3 (en) 2003-12-27 2003-12-27 Compact attachment for a power hand drill for sharpening drill bits is clamped to the drill housing and has adjustable angled grinding discs and a spring loaded holder for the drill bits
DE20320592U DE20320592U1 (en) 2003-12-27 2003-12-27 Compact attachment for a power hand drill for sharpening drill bits is clamped to the drill housing and has adjustable angled grinding discs and a spring loaded holder for the drill bits

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2003161324 DE10361324B3 (en) 2003-12-27 2003-12-27 Compact attachment for a power hand drill for sharpening drill bits is clamped to the drill housing and has adjustable angled grinding discs and a spring loaded holder for the drill bits

Publications (1)

Publication Number Publication Date
DE10361324B3 true DE10361324B3 (en) 2005-05-19

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
DE2003161324 Expired - Fee Related DE10361324B3 (en) 2003-12-27 2003-12-27 Compact attachment for a power hand drill for sharpening drill bits is clamped to the drill housing and has adjustable angled grinding discs and a spring loaded holder for the drill bits

Country Status (1)

Country Link
DE (1) DE10361324B3 (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4118737A1 (en) * 1990-06-15 1992-01-30 Folke Werner DRILL GRINDING DEVICE WITH DRILL DRIVE

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4118737A1 (en) * 1990-06-15 1992-01-30 Folke Werner DRILL GRINDING DEVICE WITH DRILL DRIVE

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Legal Events

Date Code Title Description
8100 Publication of the examined application without publication of unexamined application
8322 Nonbinding interest in granting licenses declared
8327 Change in the person/name/address of the patent owner

Owner name: TRAUBLINGER, STEFAN, 86687 KAISHEIM, DE

8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee