EP3209447A1 - Projizierte skala für tiefenmessung - Google Patents
Projizierte skala für tiefenmessungInfo
- Publication number
- EP3209447A1 EP3209447A1 EP15766863.3A EP15766863A EP3209447A1 EP 3209447 A1 EP3209447 A1 EP 3209447A1 EP 15766863 A EP15766863 A EP 15766863A EP 3209447 A1 EP3209447 A1 EP 3209447A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- light source
- workpiece
- machine tool
- light
- workpiece surface
- 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.)
- Withdrawn
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25F—COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR
- B25F5/00—Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
- B25F5/003—Stops for limiting depth in rotary hand tools
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, 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
- B23Q17/00—Arrangements for observing, indicating or measuring on machine tools
- B23Q17/24—Arrangements for observing, indicating or measuring on machine tools using optics or electromagnetic waves
- B23Q17/2428—Arrangements for observing, indicating or measuring on machine tools using optics or electromagnetic waves for measuring existing positions of tools or workpieces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, 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
- B23Q17/00—Arrangements for observing, indicating or measuring on machine tools
- B23Q17/22—Arrangements for observing, indicating or measuring on machine tools for indicating or measuring existing or desired position of tool or work
- B23Q17/2233—Arrangements for observing, indicating or measuring on machine tools for indicating or measuring existing or desired position of tool or work for adjusting the tool relative to the workpiece
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, 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
- B23Q17/00—Arrangements for observing, indicating or measuring on machine tools
- B23Q17/24—Arrangements for observing, indicating or measuring on machine tools using optics or electromagnetic waves
- B23Q17/2404—Arrangements for improving direct observation of the working space, e.g. using mirrors or lamps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, 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
- B23Q17/00—Arrangements for observing, indicating or measuring on machine tools
- B23Q17/24—Arrangements for observing, indicating or measuring on machine tools using optics or electromagnetic waves
- B23Q17/2414—Arrangements for observing, indicating or measuring on machine tools using optics or electromagnetic waves for indicating desired positions guiding the positioning of tools or workpieces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
- B25H1/00—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby
- B25H1/0021—Stands, supports or guiding devices for positioning portable tools or for securing them to the work
- B25H1/0078—Guiding devices for hand tools
- B25H1/0092—Guiding devices for hand tools by optical means
-
- 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
Definitions
- the present invention relates to a device for determining a penetration depth in a borehole bored into a workpiece by a boring tool of a boring machine from a workpiece surface, comprising at least one light source for projecting a light field, for example, on a workpiece to be machined by the boring machine tool.
- Such devices may, for example, be configured relatively simply in the form of a ruler, which is adjustable in length and arranged parallel to the drill of the drilling machine tool.
- devices for determining a penetration depth can also be made more complex, as explained below.
- a penetration depth determination device on a drilling machine machine which comprises a measuring unit with a light emitting diode and a light sensor unit.
- the light sensor unit contains two sensors.
- a light beam is emitted from the light emitting diode and reflected from the workpiece surface.
- the light sensor is for sensing light emitted from the light emitting diode and reflected on the workpiece surface.
- the ratio of The light intensities detected by the two sensors of the light sensor unit are determined by the reflection angle of the sensed light component on the workpiece surface.
- the reflection angle is in turn determined by the distance of the measuring unit or the drilling machine from the workpiece surface.
- the determined distance of the measuring unit or the drilling machine tool to the workpiece surface the penetration depth can be determined in the workpiece.
- Such a device for determining a penetration depth is disclosed in the German patent application DE 10 2004 024 990 A1.
- the object of the present invention is therefore to provide a device for determining a penetration depth in a borehole drilled with a boring tool of a boring machine tool from a workpiece surface into a workpiece, which in comparison with the prior art has a less complex structure and easier handling guaranteed.
- a device for determining a penetration depth in a borehole drilled into a workpiece with a boring tool of a boring machine tool from a workpiece surface, comprising at least one light source for projecting a light field, for example on a workpiece to be machined by the boring machine tool.
- the light source is positioned to the drill machine so that a central axis of the light source extends at an angle to a central axis of the drill machine and at least a first blocking element for partially covering the light source are provided, which generate a scaling device on the light field. Because the central axis of the light source is not parallel (ie at an angle) to the central axis of the boring machine tool, the scaling device appears to move relative to the light field in accordance with movement of the boring machine tool from or to the workpiece surface. According to this relative movement of the scaler to the light field, the user can change the distance determine between the drilling machine tool and the workpiece and thus determine the depth of penetration of the tool in the workpiece.
- the scaler may include at least a first shading and a second shading on the light field.
- a color contrast is generated on the light field, by means of which the user can better recognize the relative movement of the scaler to the light field due to the movement of the drilling machine from or to the workpiece surface.
- the central axis of the light source and the center axis of the drilling machine tool may lie in one plane.
- the scaler may be able to be generated at least partially at an edge of the light field.
- the center or the central region of the light field remains unimpaired by the scaling device, so that the light field can be used essentially as illumination of the region of the workpiece surface which is machined by the user with the drilling tool.
- the light source or the light field generated by the light source can thus continue to be used as work lighting.
- FIG. 1 shows a perspective view of a drilling machine tool with a device according to the invention for determining a penetration depth into a workpiece
- Fig. 2 is a side view of the drilling machine tool with the invention
- Fig. 3 is a plan view of the inventive device for determining a
- Fig. 4 is a plan view of the inventive device for determining a
- Fig. 5 is a side view of the inventive device for determining a
- Fig. 6 is another perspective view of the drilling machine tool with the device according to the invention for determining a penetration depth in a
- Fig. 7 is another side view of the drilling machine tool with the invention
- Fig. 8 is another side view of the drilling machine tool with the invention
- FIG. 1 shows a first perspective view of a drilling machine tool 1 with a device 2 according to the invention for determining a penetration depth of a drilling tool (not shown) into a workpiece W.
- the drilling machine tool 1 essentially comprises a housing 3, a tool holder 4, a handle 5 and foot part 6.
- the housing 3 includes a front end 3a, a rear end 3b, a top 3c and a bottom 3d.
- the tool holder 4 is positioned. With the aid of the tool holder 4, a (not shown) drilling tool (so-called. Drill) can be recorded and held.
- a drilling tool so-called. Drill
- the handle 5 includes a first end 5a, a second end 5b, a front 5c, and a back 5d. As shown in Fig. 1, the handle 5 is attached to the first end 5a on the underside 3d of the housing 3.
- the foot part 6 includes a front end 6a, a rear end 6b, an upper end 6c and a lower end 6d.
- the foot part 6 is attached to the upper end 6c at the second end 5b of the handle 5 and extends mainly in the direction X.
- an accumulator for power supply to the drilling machine tool 1 can be connected.
- the accumulator is not shown in the figures.
- a switch 7 is positioned, with which the drilling machine tool 1 on and off and the power output of the drilling machine tool 1 can be regulated.
- a device 2 for determining a penetration depth is positioned in a borehole drilled with a boring tool of the boring machine tool 1 from a workpiece surface WO into a workpiece W.
- the penetration depth determining apparatus 2 basically includes a housing 8, a light source 9, a lens 10 and first, second and third blocking members 12a, 12b, 12c.
- FIG. 3 shows a top view of the device 2 for determining a penetration depth according to a first embodiment.
- 4 shows a top view of the device 2 for determining a penetration depth according to a second embodiment.
- Fig. 5 shows in a Side view in the direction Y, the device 2 for determining a penetration depth according to the first embodiment.
- the housing 8 of the device 2 forms a cavity 13 in which the light source 9 is positioned.
- the light source 9 is designed in the form of a light-emitting diode. However, it is also possible that the light source 9 is designed in the form of one or more other lighting means.
- the cavity 13 of the housing 8 is covered with the lens 10.
- the lens 10 includes a first side edge 10a, a second side edge 10b, a third side edge 10c, and a fourth side edge 10d.
- the lens 10 serves to focus the light emitted by the light source 9.
- the light emitted by the light source 9 essentially emerges from the housing 8 of the device 2 in the form of a truncated cone K.
- the light source 9 has a central axis L that extends essentially through the longitudinal axis or coaxially with the longitudinal axis of the truncated cone K. (See Figures 5 and 6).
- the center axis L of the light source 9 and the center axis of the housing 3 and the tool holder N are on the same plane A.
- the plane A extends in the direction X and Z.
- the first, second and third blocking elements are positioned on the lens 10.
- the three blocking elements 12a, 12b, 12c are each configured in the form of a cuboid with a triangular base and fixed to the first side edge 10a of the lens 10 at equal intervals (see Fig. 3). In this case, the three blocking elements 12a, 12b, 12c project into the lens surface 16 counter to the direction Y.
- the three blocking elements 12a, 12b, 12c are each in the form of a notch in the lens surface 16 (see Fig. 4).
- the three blocking elements 12a, 12b, 12c may also be designed in the form of an edge in the lens surface 16 and / or by grinding on the lens surface 16.
- the three blocking elements 12a, 12b, 12c serve to partially block the light Q of the light source 9 emerging from the housing 8 such that in a light field 17 generated by the light source 9 a first, a second one and a third shading 18a, 18b, 18c are generated.
- the three shades 18a, 18b, 18c form a scaler 19 as a reference device for determining the penetration depth of a drilling tool into a workpiece W or for determining the change in a distance of the drilling machine tool 1 to the workpiece surface WO.
- the drilling machine tool 1 When the drilling machine tool 1 with the device for determining a penetration depth or for determining the change in a distance of the drilling machine tool 1 to the workpiece surface WO at a first distance a to the workpiece surface (as shown in Fig. 7), is a reference point R of Drilling machine 1 approximately at one level with the second shade 18b.
- the reference point R is formed by the position at which a drilling tool will hit the workpiece surface WO when the boring machine tool 1 is further moved onto the workpiece W.
- the drilling tool is not shown in the figures.
- a reference point R of the boring machine tool 1 is approximately at a height with the third shading 18c.
- the light field 17 decreases slightly due to the reduction in the distance of the boring machine tool 1 from the workpiece surface WO (i.e., distance a to distance b).
- the distances between the three shades 18a, 18b, 18c remain unchanged and serve as a reference device.
- the user Based on the change of the reference point from the second shading 18b to the third shading 18c, the user recognizes how deeply the drilling tool has penetrated into the workpiece W, since the distance of the individual shading 18a, 18b, 18c from one another is interpreted in a corresponding path in the direction X. to let.
- a description is provided on the boring machine tool 1 by means of which the user learns that a distance between two shades (i.e., 18a to 18b or 18b to 18c) corresponds to a distance of 10 mm in direction X.
- the boring machine tool 1 Upon a change in the reference point from the height of the first shading 18a to the height of the third shading 18c, the boring machine tool 1 has moved 20 mm in the direction X.
- the light field 17 is shown on the workpiece surface WO, in which the drilling machine tool 1 is removed at three different distances from the workpiece W.
- the distance of the drilling machine tool 1 to the workpiece surface WO decreases steadily from FIG. 9 to FIG.
- the reference point R moves in the direction of Z corresponding to the decreasing distance of the boring machine 1 to the workpiece surface WO in the light field 17.
- the distances of the shades 18a, 18b, 18c to each other distance of shading corresponds to 10 mm in each direction X
- the drilling machine tool 1 has moved from Fig. 9 to Fig. 10
- the drilling machine tool 1 has moved to another 5 mm on the workpiece surface WO.
- From Fig. 9 to Fig. 1 the drilling machine tool 1 has moved by 10 mm on the workpiece surface WO.
- FIG. 12 shows a representation of the light spot 17 generated by the light source 9 on the workpiece surface WO according to a second embodiment.
- the blocking elements 12a, 12b, 12c are each configured in the form of a cuboid with a trapezoidal base surface, so that the resulting shadings 20 are shown in the light field 17 in a trapezoidal shape.
- the blocking elements 12a, 12b, 12c are each designed in the form of a cuboid with a rectangular base surface, so that the resulting shadings 21 are shown in the light field 17 in rectangular form.
- the blocking elements 12a, 12b, 12c are each configured in the form of a cuboid with a rectangular base.
- the blocking elements 12a, 12b, 12c according to the fourth embodiment extend over the entire lens surface 16 of the light source 9, so that the resulting shades 22 in the light field 17 are shown in lines.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- General Physics & Mathematics (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Drilling And Boring (AREA)
- Machine Tool Sensing Apparatuses (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP14190026.6A EP3012051A1 (de) | 2014-10-23 | 2014-10-23 | Projizierte skala für tiefenmessung |
PCT/EP2015/071829 WO2016062491A1 (de) | 2014-10-23 | 2015-09-23 | Projizierte skala für tiefenmessung |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3209447A1 true EP3209447A1 (de) | 2017-08-30 |
Family
ID=51786863
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP14190026.6A Withdrawn EP3012051A1 (de) | 2014-10-23 | 2014-10-23 | Projizierte skala für tiefenmessung |
EP15766863.3A Withdrawn EP3209447A1 (de) | 2014-10-23 | 2015-09-23 | Projizierte skala für tiefenmessung |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP14190026.6A Withdrawn EP3012051A1 (de) | 2014-10-23 | 2014-10-23 | Projizierte skala für tiefenmessung |
Country Status (4)
Country | Link |
---|---|
US (1) | US10131027B2 (de) |
EP (2) | EP3012051A1 (de) |
CN (1) | CN106794574B (de) |
WO (1) | WO2016062491A1 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IL288499B2 (en) * | 2021-11-28 | 2023-09-01 | Lavy Avraham | Handles with tool-guided measurement |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6692200B2 (en) * | 2001-01-16 | 2004-02-17 | Nesson Enterprises | Alignment system for hand-held tools |
US6565227B1 (en) * | 2001-11-13 | 2003-05-20 | Greg Davis | Method and device for tool alignment |
CN2576386Y (zh) * | 2002-11-19 | 2003-10-01 | 南京泉峰国际贸易有限公司 | 用在钻类工具上的带激光定位标尺的副把手 |
DE10315144A1 (de) * | 2003-04-03 | 2004-10-28 | Robert Bosch Gmbh | Bohrlochtiefenerkennung durch Lichtstrahl |
DE10318799A1 (de) * | 2003-04-25 | 2004-11-18 | Robert Bosch Gmbh | Automatische Bohrtiefenmessung an Handwerkzeugmaschinen |
DE102004024990A1 (de) | 2004-05-21 | 2005-12-08 | Robert Bosch Gmbh | Eindringtiefenbestimmungsvorrichtung |
US7200516B1 (en) * | 2005-09-30 | 2007-04-03 | Cowley Brian J | Alignment accessory for portable drills and the like |
EP3649969A1 (de) * | 2008-06-26 | 2020-05-13 | Smart Medical Devices, Inc. | Tiefensteuerbare und -messbare medizinische antriebsvorrichtungen |
GB2453621B (en) * | 2008-08-13 | 2009-11-04 | Anthony Pugh | Drilling-depth indicator for a drilling device |
DE102010064107B4 (de) * | 2010-12-23 | 2012-12-27 | Hilti Aktiengesellschaft | Hilfseinrichtung einer Bohrmaschine und Steuerungsverfahren |
US9114494B1 (en) * | 2013-03-14 | 2015-08-25 | Kenneth Jack Mah | Electronic drill guide |
CN203356658U (zh) * | 2013-07-17 | 2013-12-25 | 深圳远驰电动工具有限公司 | 一种手持式电钻 |
WO2016036756A1 (en) * | 2014-09-05 | 2016-03-10 | Mcginley Engineered Solutions, Llc | Instrument leading edge measurement system and method |
-
2014
- 2014-10-23 EP EP14190026.6A patent/EP3012051A1/de not_active Withdrawn
-
2015
- 2015-09-23 US US15/502,605 patent/US10131027B2/en not_active Expired - Fee Related
- 2015-09-23 WO PCT/EP2015/071829 patent/WO2016062491A1/de active Application Filing
- 2015-09-23 CN CN201580046921.4A patent/CN106794574B/zh not_active Expired - Fee Related
- 2015-09-23 EP EP15766863.3A patent/EP3209447A1/de not_active Withdrawn
Non-Patent Citations (2)
Title |
---|
None * |
See also references of WO2016062491A1 * |
Also Published As
Publication number | Publication date |
---|---|
WO2016062491A1 (de) | 2016-04-28 |
US10131027B2 (en) | 2018-11-20 |
CN106794574B (zh) | 2019-09-24 |
US20170225284A1 (en) | 2017-08-10 |
CN106794574A (zh) | 2017-05-31 |
EP3012051A1 (de) | 2016-04-27 |
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