DE19751209C2 - Device for hand machine tools, in particular for hand drills, internal grinders or the like for measuring and displaying the drilling depth - Google Patents
Device for hand machine tools, in particular for hand drills, internal grinders or the like for measuring and displaying the drilling depthInfo
- Publication number
- DE19751209C2 DE19751209C2 DE1997151209 DE19751209A DE19751209C2 DE 19751209 C2 DE19751209 C2 DE 19751209C2 DE 1997151209 DE1997151209 DE 1997151209 DE 19751209 A DE19751209 A DE 19751209A DE 19751209 C2 DE19751209 C2 DE 19751209C2
- Authority
- DE
- Germany
- Prior art keywords
- drilling depth
- hand
- displaying
- measuring
- distance
- 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
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B49/00—Measuring or gauging equipment on boring machines for positioning or guiding the drill; Devices for indicating failure of drills during boring; Centering devices for holes to be bored
- B23B49/003—Stops attached to drilling tools, tool holders or drilling machines
- B23B49/005—Attached to the drill
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B49/00—Measuring or gauging equipment on boring machines for positioning or guiding the drill; Devices for indicating failure of drills during boring; Centering devices for holes to be bored
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/22—Measuring arrangements characterised by the use of optical techniques for measuring depth
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/18—Measuring arrangements characterised by the use of mechanical techniques for measuring depth
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2260/00—Details of constructional elements
- B23B2260/088—Indication scales
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2270/00—Details of turning, boring or drilling machines, processes or tools not otherwise provided for
- B23B2270/32—Use of electronics
Description
Die Erfindung bezieht sich auf eine Vorrichtung für Handwerkzeugmaschinen, insbesondere für Handbohrmaschinen, Innenschleifer o. dgl., zur Messung und Anzeige der Bohrtiefe mit einem Mittel zur Erfassung der Entfernung der Handwerkzeugmaschine von einem zu bearbeitenden Werkstück, mit einer Anordnung zur digitalen Signalverarbeitung und mit einer Anordnung zur digitalen Anzeige des berechneten Wertes der Bohrtiefe.The invention relates to a device for hand machine tools, in particular for hand drills, internal grinders or the like, for measurement and Display of the drilling depth with a means of recording the distance of the Hand machine tool from a workpiece to be machined, with a Arrangement for digital signal processing and with an arrangement for digital Display of the calculated value of the drilling depth.
Eine solche Vorrichtung ist aus DE 36 15 875 A1 bekannt. Bei dieser Vorrichtung wird die Entfernung der Handwerkzeugmaschine von dem zu bearbeitenden Werkstück mittels eines optischen Sensors, der die von der Werkstückoberfläche reflektierte Strahlung einer Strahlungsquelle, beispielsweise einer Leuchtdiode, empfängt, und einer nachgeordneten digitalen Signalverarbeitung bestimmt. Die Entfernungsmessung erfolgt dabei nach dem Verfahren der Triangulation. Ist die Handwerkzeugmaschine eine Bohrmaschine, dann eignet sich diese Entfernungs messvorrichtung besonders zur Ermittlung der Bohrtiefe, welche über eine Anzeigevorrichtung kontinuierlich beispielsweise digital angezeigt wird. Diese bekannte Vorrichtung ist verhältnismäßig aufwendig aufgebaut und erfordert wegen der optischen Bauteile eine genaue Justierung, die unter Umständen, z. B. bei Schlagbohrbetrieb, durch Erschütterungen beeinträchtigt sein kann.Such a device is known from DE 36 15 875 A1. With this device the distance of the hand machine tool from the one to be machined Workpiece by means of an optical sensor that detects that from the workpiece surface reflected radiation from a radiation source, for example a light-emitting diode, receives, and a downstream digital signal processing determined. The The distance is measured using the triangulation method. Is the Hand tool a drill, then this distance is suitable Measuring device especially for determining the drilling depth, which over a Display device is continuously displayed, for example, digitally. This known device is relatively complex and requires because of the optical components a precise adjustment, which may be, for. B. during impact drilling, can be affected by vibrations.
Darüber hinaus ist aus DE 32 21 709 A1 ein Bohrständer mit digitaler Messung und Anzeige der Bohrtiefe bekannt geworden, wobei hier die Wegabtastung opto elektronisch oder magnetisch-induktiv erfolgen kann.In addition, DE 32 21 709 A1 describes a drill stand with digital measurement and display of the drilling depth become known, with the path scanning opto can be done electronically or magnetically inductively.
Schließlich ist es beispielsweise aus DE 84 05 010 U1 bekannt, einen längsverschiebbaren Abstandsfühler mit darauf angebrachter Tiefenskala zu verwenden.Finally, it is known from DE 84 05 010 U1, for example longitudinally displaceable distance sensor with depth scale attached to it use.
Der Erfindung liegt die Aufgabe zugrunde, eine Vorrichtung der eingangs genannten Art zu schaffen, die einfach und unempfindlich aufgebaut ist und eine hohe Anzeigegenauigkeit aufweist.The invention has for its object a device of the beginning to create mentioned type, which is simple and insensitive and a has high display accuracy.
Zur Lösung dieser Aufgabe ist bei der eingangs genannten Vorrichtung erfindungsgemäß vorgesehen, daß das Mittel zur Erfassung der Entfernung aus einem längsverschiebbaren Abstandsfühler besteht, der mit einem mikromechanischen Sensor mit integrierter Auswertelogik verbunden ist, und daß der berechnete Wert der Bohrtiefe auf einem Anzeige-Sichtfeld mittels Leuchtzahlen anzeigbar ist.To solve this problem is in the device mentioned provided according to the invention that the means for detecting the distance from a longitudinally displaceable distance sensor, which with a micromechanical sensor is connected to integrated evaluation logic, and that the calculated value of the drilling depth on a display field of view using Luminous numbers can be displayed.
Mikromechanische Sensoren sind an sich bekannt (DE 41 37 167 A1). Mit solchen Sensoren können beispielsweise Relativbewegungen zweier Teile zueinander mit hoher Genauigkeit bestimmt werden. Wenn ein solcher Sensor mit integrierter Auswertelogik mit einem längsverschiebbaren Abstandsfühler verbunden wird, kann der berechnete Wert der Bohrtiefe direkt digital angezeigt werden. Der Bauaufwand ist daher vergleichsweise gering, wobei die Vorrichtung sich durch hohe Genauigkeit und Unempfindlichkeit gegenüber Erschütterungen hervorhebt.Micromechanical sensors are known per se (DE 41 37 167 A1). With Such sensors can, for example, relative movements of two parts to each other can be determined with high accuracy. If such a sensor with Integrated evaluation logic with a longitudinally displaceable distance sensor the calculated value of the drilling depth can be directly displayed digitally become. The construction effort is therefore comparatively low, with the device high accuracy and insensitivity to vibrations emphasizes.
Vorteilhafte Weiterbildungen der Vorrichtung gemäß Patentanspruch 1 sind in den Unteransprüchen angegeben.Advantageous developments of the device according to claim 1 are in specified in the subclaims.
Die Erfindung wird im folgenden anhand der Zeichnung eines Ausführungsbeispiels näher erläutert.The invention is based on the drawing of a Embodiment explained in more detail.
Fig. 1 zeigt die Vorrichtung als Ganzes mit strichliert eingetragenen Einzelheiten im Inneren. Der Abstandsfühler 5 ist innen mit dem Sensor 7 verbunden. Bei einer Annäherung an das zu bearbeitende Werkstück trifft der an der Handbohrmaschine angebrachte Abstandsfühler 5 mit seinem vorderen Ende auf die Oberfläche des Werkstücks und wird bei weiterer Annäherung gegen die Kraft einer Zugfeder nach hinten verschoben. Die Verschiebung des Abstandsfühlers 5 wird von dem mikromechanischen Sensor 7 erfaßt und mit der integrierten Auswertelogik direkt in für die Ansteuerung von Leuchtzahlen auf dem Anzeige- Sichtfeld 2 geeignete Signale umgewandelt. Fig. 1 shows the device as a whole with dashed details inside. The distance sensor 5 is connected on the inside to the sensor 7 . When approaching the workpiece to be machined, the distance sensor 5 attached to the hand drill hits the surface of the workpiece with its front end and is displaced rearward against the force of a tension spring. The displacement of the distance sensor 5 is detected by the micromechanical sensor 7 and, with the integrated evaluation logic, converted directly into signals suitable for controlling the number of lights on the display field of view 2 .
Die hierfür erforderliche Stromversorgung erfolgt mittels austauschbarer Batterien 8 mit Schalter 9. Mit dem Feststeller 4 können maximale Einbohrtiefen festgelegt und ein ungewolltes Durchbohren vermieden werden.The power supply required for this is provided by means of replaceable batteries 8 with switches 9 . With the lock 4 , maximum drilling depths can be determined and unwanted drilling can be avoided.
Die gesamte Vorrichtung kann in schlagfestem Kunststoff ausgeführt werden, sie ist sowohl adaptierbar als auch festangebaut an Handbohrmaschinen, Innenschleifer und dergleichen anwendbar.The entire device can be made of impact-resistant plastic is both adaptable and permanently attached to hand drills, Internal grinder and the like applicable.
Die erfindungsgemäße Vorrichtung ist durch die stetige Feststellung der jeweiligen exakten Bohrtiefen und ein praxisorientiertes Handling vorteilhaft verwendbar.The device according to the invention is due to the continuous detection of precise drilling depths and practical handling are advantageous usable.
Claims (3)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE1997151209 DE19751209C2 (en) | 1997-11-19 | 1997-11-19 | Device for hand machine tools, in particular for hand drills, internal grinders or the like for measuring and displaying the drilling depth |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE1997151209 DE19751209C2 (en) | 1997-11-19 | 1997-11-19 | Device for hand machine tools, in particular for hand drills, internal grinders or the like for measuring and displaying the drilling depth |
Publications (2)
Publication Number | Publication Date |
---|---|
DE19751209A1 DE19751209A1 (en) | 1998-05-14 |
DE19751209C2 true DE19751209C2 (en) | 2000-08-24 |
Family
ID=7849171
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE1997151209 Expired - Fee Related DE19751209C2 (en) | 1997-11-19 | 1997-11-19 | Device for hand machine tools, in particular for hand drills, internal grinders or the like for measuring and displaying the drilling depth |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE19751209C2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10243651A1 (en) * | 2002-09-19 | 2004-04-01 | Claas Fertigungstechnik Gmbh | Method and device for determining the penetration depth |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10131656A1 (en) * | 2001-06-29 | 2003-01-30 | Itw Befestigungssysteme | Bore depth meter for a drilling rig |
DE10340426B4 (en) * | 2003-09-02 | 2005-12-22 | Martin, Hans, Dipl.-Ing. | Hand-operated machine tool |
ITBO20040217A1 (en) * | 2004-04-16 | 2004-07-16 | Jobs Spa | OPERATING HEAD FOR MULTI-AXIS MACHINE TOOLS |
DE102006061726A1 (en) * | 2006-12-28 | 2008-07-03 | Robert Bosch Gmbh | Distance e.g. borehole depth, measuring device for e.g. boring machine, has distance measuring unit with load securing device and housing, which move relative to one another during distance measurement in order to measure distance |
CN101992317A (en) * | 2009-08-17 | 2011-03-30 | 徐秉朗 | Control rod for drill hole depth of handheld drilling tool |
US20170066095A1 (en) * | 2015-09-09 | 2017-03-09 | Chao-Yang Chen | Dust collector for electrical drill |
DE102016121134A1 (en) * | 2016-11-04 | 2018-05-09 | Gühring KG | Tool alignment device |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3221709A1 (en) * | 1982-06-09 | 1983-12-15 | Robert 5446 Engeln Wolff | Drill stand with drilling-stroke indicator |
DE8405010U1 (en) * | 1984-02-18 | 1985-06-13 | Robert Bosch Gmbh, 7000 Stuttgart | Vertical drilling aid for hand drills or rotary hammers |
DE3615875A1 (en) * | 1986-05-10 | 1987-11-12 | Bosch Gmbh Robert | HAND MACHINE TOOL, PREFERABLY DRILLING MACHINE |
DE4137167A1 (en) * | 1990-11-13 | 1992-05-14 | Tektronix Inc | MICROMECHANICAL SENSOR |
-
1997
- 1997-11-19 DE DE1997151209 patent/DE19751209C2/en not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3221709A1 (en) * | 1982-06-09 | 1983-12-15 | Robert 5446 Engeln Wolff | Drill stand with drilling-stroke indicator |
DE8405010U1 (en) * | 1984-02-18 | 1985-06-13 | Robert Bosch Gmbh, 7000 Stuttgart | Vertical drilling aid for hand drills or rotary hammers |
DE3615875A1 (en) * | 1986-05-10 | 1987-11-12 | Bosch Gmbh Robert | HAND MACHINE TOOL, PREFERABLY DRILLING MACHINE |
DE4137167A1 (en) * | 1990-11-13 | 1992-05-14 | Tektronix Inc | MICROMECHANICAL SENSOR |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10243651A1 (en) * | 2002-09-19 | 2004-04-01 | Claas Fertigungstechnik Gmbh | Method and device for determining the penetration depth |
Also Published As
Publication number | Publication date |
---|---|
DE19751209A1 (en) | 1998-05-14 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
OAV | Applicant agreed to the publication of the unexamined application as to paragraph 31 lit. 2 z1 | ||
OP8 | Request for examination as to paragraph 44 patent law | ||
8122 | Nonbinding interest in granting licenses declared | ||
D2 | Grant after examination | ||
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |