WO2020230454A1 - 可搬型工作機 - Google Patents
可搬型工作機 Download PDFInfo
- Publication number
- WO2020230454A1 WO2020230454A1 PCT/JP2020/012607 JP2020012607W WO2020230454A1 WO 2020230454 A1 WO2020230454 A1 WO 2020230454A1 JP 2020012607 W JP2020012607 W JP 2020012607W WO 2020230454 A1 WO2020230454 A1 WO 2020230454A1
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- WO
- WIPO (PCT)
- Prior art keywords
- machine tool
- light
- tool
- lighting device
- portable machine
- Prior art date
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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
- B25F5/02—Construction of casings, bodies or handles
- B25F5/021—Construction of casings, bodies or handles with guiding devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B45/00—Hand-held or like portable drilling machines, e.g. drill guns; Equipment therefor
-
- 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
- B25H1/0057—Devices for securing hand tools to the work
- B25H1/0064—Stands attached to the workpiece
- B25H1/0071—Stands attached to the workpiece by magnetic means
-
- 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
Definitions
- the present invention relates to a portable machine tool, and more particularly to a portable machine tool provided with a lighting device that illuminates the tip of a work tool.
- the portable machine tool is brought to the work site and used.
- Portable machine tools are used in a variety of environments, sometimes in dark rooms or at night without external lighting.
- Portable machine tools equipped with lighting devices have been developed so that they can be used in such dark environments.
- a portable type machine tool is provided with a lighting device at a fixed portion having an electromagnet for fixing the portable machine tool to a work piece so that the annular cutter can be illuminated from the side.
- the drilling machine is disclosed.
- the annular cutter has an annular blade portion and a center pin extending along the rotation axis of the blade portion, and the tip portion of the center pin is brought into contact with the center of the machined portion of the workpiece to bring the annular cutter. It is designed to be positioned.
- chips generated by the work are blown sideways from the work tool by the rotation of the work tool.
- elongated chips adhering to the work tool may rotate together with the work tool.
- the lighting device is provided on the fixed portion at the lateral position of the work tool as described above, chips may hit the lighting device. Then, the light emitting surface of the lighting device may be damaged or soiled, and sufficient light may not be irradiated.
- an object of the present invention is to provide a portable machine tool capable of illuminating a work tool from the side while preventing the lighting device from being affected by chips.
- the present invention A machine tool body having a power unit and a tool mounting unit that is rotationally driven by the power unit.
- a reflective surface mounted on the tool mounting portion and arranged so as to face the work tool at a lateral position of the work tool extending to the outside of the machine tool body.
- An illuminating device that emits light diagonally with respect to the reflecting surface and is arranged so that the light reflected by the reflecting surface illuminates the tip of the work tool and its surroundings.
- the light reflected by the reflective surface located on the side of the work tool illuminates the periphery of the tip of the work tool. That is, since the tip of the work tool is illuminated from the side, the tip is not sufficiently illuminated by the shadow of other parts of the work tool. In addition, since the reflected light is emitted, it is not necessary to place the lighting device at the side position of the work tool, and it is located at a position away from the tip of the work tool and the workpiece and not easily affected by chips. Since it can be arranged, it is possible to prevent the lighting device from being damaged or soiled by chips generated by the processing work.
- the tool mounting part can be moved up and down, It may be further provided with a fixing portion that is located below the machine tool body and is designed to fix the machine tool body to the workpiece.
- the lighting device can be arranged in the machine tool main body so that the light of the lighting device is emitted from the lower surface of the machine tool main body.
- the reflective surface can be a part of the side surface of the fixed portion.
- the tool mounting portion is located in front of the fixing portion.
- the lighting device is arranged at a position shifted to one side in the lateral direction with respect to the work tool attached to the tool mounting portion, and emits light toward the other side in the lateral direction and downward rearward.
- the reflective surface can be irradiated.
- the light emitted from the illuminating device can suitably illuminate the area around the tip of the work tool. Is possible.
- the lighting device can emit light so as to diffuse it so that the light reflected by the reflecting surface spreads and irradiates the tip of the work tool and its surroundings.
- the degree of light diffusion is appropriately designed as needed.
- the work tool is an annular cutter having an annular blade portion and a center pin extending in the vertical direction through the center of the blade portion, and the tip portion of the center pin is the tip portion of the work tool. Can be.
- the center pin extends downward from the annular blade portion and positions the annular blade portion with respect to the machined portion of the workpiece, but the light emitted from the lighting device is directed to the side position of the work tool. Since the tip of the center pin is reflected by a certain reflecting surface and irradiated to the tip of the center pin, the tip of the center pin is sufficiently irradiated with light without being a shadow of the blade.
- the lighting device can have a light source and a light guide member that directs the light emitted from the light source toward the reflecting surface.
- the light guide member By using the light guide member, it becomes easy to design so that the light from the light source is directed to the reflecting surface in a suitable state.
- FIG. 1 It is a side view of the portable machine tool which concerns on one Embodiment of this invention. It is a top view of the portable machine tool of FIG. It is sectional drawing in line III-III of FIG. It is sectional drawing in the IV-IV line of FIG. It is sectional drawing in the VV line of FIG. It is a perspective view seen from the obliquely upper side of the lighting device included in the portable machine tool of FIG. It is a perspective view seen from the diagonally lower side of the lighting device of FIG. It is a front view of the lighting device of FIG. It is a left side view of the lighting device of FIG. It is a perspective view which looked at the front part of the portable machine tool of FIG. 1 from diagonally below. It is a perspective view which looked at the front part of the portable machine tool of FIG. 1 from diagonally above.
- the portable machine tool 1 includes a machine tool main body 10, a fixing portion 12 fixed to the lower side of the machine tool main body 10, and a machine tool main body.
- a battery 14 detachably attached to the rear of the 10 is provided.
- the machine tool main body 10 has a work tool mounting portion 18 for detachably mounting the annular cutter 16 (work tool) at a position in front of the fixing portion 12, and a work tool mounting portion 18. It is provided with a power unit 19 for rotationally driving.
- the power unit 19 mainly includes a motor 20 and a gear mechanism 22 including a plurality of gears.
- the work tool mounting portion 18 can be moved up and down by pivoting a lever 24 mounted on the side surface of the machine tool body 10, and the annular cutter 16 can be moved up and down.
- the fixing portion 12 includes a first electromagnet 28 having a ring-shaped first coil 26 and a second electromagnet 32 also having a ring-shaped second coil 30. When electric power is supplied to the first coil 26 and the second coil 30 in a state where the portable machine 1 is placed on a magnetic material, the magnetic attraction generated by the first electromagnet 28 and the second electromagnet 32 causes it. , The machine body 10 is fixed to the magnetic material.
- the portable machine tool 1 is an annular cutter rotated by a power unit 19 in a state where the machine tool main body 10 is fixed to a work piece M made of a magnetic material by a first electromagnet 28 and a second electromagnet 32.
- This is a drilling machine that punches the workpiece M by pressing the 16 against the workpiece M.
- the annular cutter 16 has an annular blade portion 34 and a center pin 36 extending in the vertical direction through the center of the blade portion 34.
- a motor drive switch 38 for starting the drive of the motor 20, a motor stop switch 40 for stopping the drive of the motor 20, and a first electromagnet 28.
- an electromagnet switch 42 for starting and stopping the driving of the second electromagnet 32 are arranged.
- a lighting switch 44 for turning on and off the lighting device 46, which will be described later, is also arranged on the side surface of the machine tool main body 10. All of these switches 38, 40, 42, and 44 are momentary switches that turn on only while they are pressed and return to the off state when they are released.
- a first magnetic sensor 48 and a second magnetic sensor 50 are further attached to the fixed portion 12.
- the first magnetic sensor 48 is arranged at a position above the first electromagnet 28, and measures the magnetic flux density around the first electromagnet 28.
- the second magnetic sensor 50 is arranged at a position above the second electromagnet 32, and measures the magnetic flux density around the second electromagnet 32.
- the portable machine 1 controls the electric power supplied to the first electromagnet 28 and the second electromagnet 32 based on the output values of the first magnetic sensor 48 and the second magnetic sensor 50, and has a necessary and sufficient magnetic attraction force. Is obtained and displayed on the LED display unit.
- the lighting device 46 is located in the machine tool main body 10 at a position shifted to the left (left when viewed in FIGS. 5 and 8) with respect to the annular cutter 16. It is located in.
- the lighting device 46 includes an LED element 52 as a light source and a light guide member 54 made of a transparent resin material.
- the light guide member 54 has an insertion hole 56 into which the LED element 52 is inserted.
- the bottom surface of the insertion hole 56 is an inclined incident surface 58, and the light emitted from the LED element 52 mainly enters the light guide member 54 from the incident surface 58.
- the incident surface 58 as a whole is downward toward the front (right side when viewed in FIGS.
- the incident surface 58 can be made to have a slightly convex shape upward toward the LED element 52 so that the diffusion of light incident on the light guide member 54 can be suppressed to some extent.
- the light incident on the light guide member 54 from the incident surface 58 is emitted from the exit surface 60 which is the bottom surface of the light guide member 54.
- the exit surface 60 is made larger than the incident surface 58 and is inclined in the direction opposite to the incident surface 58. That is, it is inclined downward toward the rear (left when viewed in FIGS. 4 and 9) and to the right when viewed from the front (right when viewed in FIGS. 5 and 8).
- the light L emitted from the lighting device 46 passes through the transparent cover 62 attached to the machine tool main body 10 and passes through the machine tool main body 10. It is emitted from the window 64 on the lower surface 10a. Since the incident surface 58 and the exit surface 60 are tilted as described above, the light emitted from the LED element 52 is refracted at the incident surface 58 and the exit surface 60. The light L emitted from the exit surface 60 is directed to the right side and the lower rear side while diffusing to some extent, and is applied to the front side surface 12a of the fixed portion 12.
- the side surface 12a faces the annular cutter 16 at a lateral position of the annular cutter 16 extending to the outside of the machine tool main body 10, and the light L reflected by the side surface 12a is with the tip 36a of the center pin 36 of the annular cutter 16. It spreads around it and is irradiated. That is, in the portable machine tool 1, the light L emitted from the lighting device 46 is obliquely irradiated downward with respect to the side surface 12a of the fixed portion 12 functioning as a reflecting surface, and the light L reflected by the side surface 12a. Is designed to illuminate the tip 36a of the center pin 36 of the annular cutter 16 and its surroundings.
- the tip 36a of the center pin 36 is in contact with the machined portion of the workpiece M, the tip 36a and its surroundings are brightly illuminated without being hidden behind the annular cutter 16. become. Further, the lighting device 46 is located above the processed portion, and there is no possibility that the exit surface 60 and the cover 62 of the light guide member 54 are damaged or soiled by chips generated during the drilling process by the annular cutter 16.
- the present invention is not limited to this embodiment.
- a machine tool that uses, for example, a drill instead of an annular cutter as a work tool may be used. Since the tip angle of the drill is usually 120 degrees, there is a risk that the tip of the drill cannot be illuminated by illumination from above, especially when using a large-diameter drill.
- the configuration of the present invention is used. Allows the tip to be illuminated.
- the fixing portion for fixing the tool body is not one using an electromagnet, but may be one using, for example, magnetic adsorption by a permanent magnet or vacuum adsorption by a vacuum device, or mechanically fixing with a vise or the like. It may be made like this.
- the reflective surface does not have to be the side surface of the fixed portion, for example, a part of the machine tool body may be extended to the side position of the work tool to be a reflective surface, or another surface having a surface to be a reflective surface.
- the member may be attached to the machine tool main body or the fixed portion.
- the light guide member of the lighting device does not have the shape as described above, and may be formed by combining a plurality of optical components such as a lens or may be formed of an optical fiber.
- the lighting device may not include a light guide member and may directly irradiate the reflecting surface with light from a light source. Further, a plurality of lighting devices can be arranged to illuminate the tip of the work tool from a plurality of directions.
- the battery is used as a power source, but it may be connected to an external power source such as an AC power source.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
- Drilling Tools (AREA)
- Portable Power Tools In General (AREA)
- Auxiliary Devices For Machine Tools (AREA)
- Drilling And Boring (AREA)
Abstract
Description
動力部、及び前記動力部によって回転駆動される工具取付部、を有する工作機本体と、
前記工具取付部に取り付けられて前記工作機本体の外側に延びる作業工具の側方位置において前記作業工具に面するように配置された反射面と、
前記反射面に対して斜めに光を出射し、該反射面で反射した光が、前記作業工具の先端部及びその周囲を照らすように配置された照明装置と、
を備える可搬型工作機を提供する。
前記工具取付部が上下動可能とされ、
前記工作機本体の下方に位置し、前記工作機本体を被加工物に対して固定するようにされた固定部をさらに備えるようにすることができる。また、前記照明装置が前記工作機本体内に配置され、前記照明装置の光が前記工作機本体の下面から出射されるようにすることができる。
前記工具取付部は前記固定部の前方位置にあり、
前記照明装置は、前記工具取付部に取り付けられた作業工具に対して横方向の一方の側にずれた位置に配置され、光を該横方向の他方の側且つ下側後方に向かって出射して該反射面に照射するようにすることができる。
10 工作機本体
10a 下面
12 固定部
12a 側面(反射面)
14 バッテリ
16 環状カッター(作業工具)
18 作業工具取付部(工具取付部)
19 動力部
20 モータ
22 ギヤ機構
24 レバー
26 第1コイル
28 第1電磁石
30 第2コイル
32 第2電磁石
34 刃部
36 センターピン
36a 先端部
38 モータ駆動スイッチ
40 モータ停止スイッチ
42 電磁石スイッチ
44 照明スイッチ
46 照明装置
48 第1磁気センサ
50 第2磁気センサ
52 LED素子(光源)
54 導光部材
56 挿入孔
58 入射面
60 出射面
62 カバー
64 窓
L 光
M 被加工物
Claims (8)
- 動力部、及び前記動力部によって回転駆動される工具取付部、を有する工作機本体と、
前記工具取付部に取り付けられて前記工作機本体の外側に延びる作業工具の側方位置において前記作業工具に面するように配置された反射面と、
前記反射面に対して斜めに光を出射し、該反射面で反射した光が、前記作業工具の先端部及びその周囲を照らすように配置された照明装置と、
を備える可搬型工作機。 - 前記工具取付部が上下動可能とされ、
前記工作機本体の下方に位置し、前記工作機本体を被加工物に対して固定するようにされた固定部をさらに備える、請求項1に記載の可搬型工作機。 - 前記照明装置が前記工作機本体内に配置され、前記照明装置の光が前記工作機本体の下面から出射されるようにされた、請求項2に記載の可搬型工作機。
- 前記反射面が前記固定部の側面の一部である、請求項2又は3に記載の可搬型工作機。
- 前記工具取付部は前記固定部の前方位置にあり、
前記照明装置は、前記工具取付部に取り付けられた作業工具に対して横方向の一方の側にずれた位置に配置され、光を該横方向の他方の側且つ下側後方に向かって出射して該反射面に照射するようにされた、請求項4に記載の可搬型工作機。 - 前記照明装置が光を拡散するように出射して、前記反射面によって反射された光が前記作業工具の先端及びその周りに拡がって照射されるようにした、請求項1乃至5の何れか一項に記載の可搬型工作機。
- 前記作業工具が、環状の刃部と前記刃部の中心を通って上下方向に延びるセンターピンを有する環状カッターであり、前記センターピンの先端部が前記作業工具の前記先端部である、請求項1乃至6のいずれか一項に記載の可搬型工作機。
- 前記照明装置が、光源と、前記光源から出射された光を前記反射面に向ける導光部材とを有する、請求項1乃至7のいずれか一項に記載の可搬型工作機。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE112020002313.3T DE112020002313T5 (de) | 2019-05-10 | 2020-03-23 | Tragbare Werkzeugmaschine |
CN202080031859.2A CN113747990A (zh) | 2019-05-10 | 2020-03-23 | 可移动型工作机 |
AU2020274440A AU2020274440B2 (en) | 2019-05-10 | 2020-03-23 | Portable machine tool |
JP2021519291A JP7213340B2 (ja) | 2019-05-10 | 2020-03-23 | 可搬型工作機 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2019090072 | 2019-05-10 | ||
JP2019-090072 | 2019-05-10 |
Publications (1)
Publication Number | Publication Date |
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WO2020230454A1 true WO2020230454A1 (ja) | 2020-11-19 |
Family
ID=73289078
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2020/012607 WO2020230454A1 (ja) | 2019-05-10 | 2020-03-23 | 可搬型工作機 |
Country Status (5)
Country | Link |
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JP (1) | JP7213340B2 (ja) |
CN (1) | CN113747990A (ja) |
AU (1) | AU2020274440B2 (ja) |
DE (1) | DE112020002313T5 (ja) |
WO (1) | WO2020230454A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11835217B2 (en) | 2021-05-06 | 2023-12-05 | Black & Decker Inc. | Light emitting assembly for a power tool |
USD1017361S1 (en) | 2021-05-06 | 2024-03-12 | Black & Decker Inc. | Drill |
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2020
- 2020-03-23 DE DE112020002313.3T patent/DE112020002313T5/de active Pending
- 2020-03-23 WO PCT/JP2020/012607 patent/WO2020230454A1/ja active Application Filing
- 2020-03-23 JP JP2021519291A patent/JP7213340B2/ja active Active
- 2020-03-23 AU AU2020274440A patent/AU2020274440B2/en active Active
- 2020-03-23 CN CN202080031859.2A patent/CN113747990A/zh active Pending
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JPH08206905A (ja) * | 1995-02-03 | 1996-08-13 | Hitachi Koki Haramachi Co Ltd | ボール盤の照明装置 |
JPH1034566A (ja) * | 1996-07-24 | 1998-02-10 | Kyushu Hitachi Maxell Ltd | 照明付き電動工具 |
JP4474155B2 (ja) * | 2003-12-12 | 2010-06-02 | 株式会社 広沢製作所 | 加工用工具 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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US11835217B2 (en) | 2021-05-06 | 2023-12-05 | Black & Decker Inc. | Light emitting assembly for a power tool |
USD1017361S1 (en) | 2021-05-06 | 2024-03-12 | Black & Decker Inc. | Drill |
Also Published As
Publication number | Publication date |
---|---|
JPWO2020230454A1 (ja) | 2021-11-04 |
JP7213340B2 (ja) | 2023-01-26 |
AU2020274440B2 (en) | 2023-09-21 |
AU2020274440A1 (en) | 2021-11-04 |
DE112020002313T5 (de) | 2022-01-27 |
CN113747990A (zh) | 2021-12-03 |
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