EP3552760A1 - Commutateur pour appareil de meulage et logique de commutation - Google Patents

Commutateur pour appareil de meulage et logique de commutation Download PDF

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Publication number
EP3552760A1
EP3552760A1 EP18166226.3A EP18166226A EP3552760A1 EP 3552760 A1 EP3552760 A1 EP 3552760A1 EP 18166226 A EP18166226 A EP 18166226A EP 3552760 A1 EP3552760 A1 EP 3552760A1
Authority
EP
European Patent Office
Prior art keywords
switch
machine tool
drive
operation switch
speed value
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Withdrawn
Application number
EP18166226.3A
Other languages
German (de)
English (en)
Inventor
Thomas Blatz
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.)
Hilti AG
Original Assignee
Hilti AG
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 Hilti AG filed Critical Hilti AG
Priority to EP18166226.3A priority Critical patent/EP3552760A1/fr
Priority to PCT/EP2019/056925 priority patent/WO2019197123A1/fr
Priority to JP2020554534A priority patent/JP7069339B2/ja
Priority to US17/045,020 priority patent/US11389941B2/en
Priority to EP19711605.6A priority patent/EP3774178B1/fr
Priority to CN201980021347.5A priority patent/CN111902242B/zh
Publication of EP3552760A1 publication Critical patent/EP3552760A1/fr
Withdrawn legal-status Critical Current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
    • B24B23/00—Portable grinding machines, e.g. hand-guided; Accessories therefor
    • 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
    • B24B23/00—Portable grinding machines, e.g. hand-guided; Accessories therefor
    • B24B23/02—Portable grinding machines, e.g. hand-guided; Accessories therefor with rotating grinding tools; Accessories therefor
    • 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
    • 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
    • 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
    • B25F5/001—Gearings, speed selectors, clutches or the like specially adapted for rotary tools

Definitions

  • the lock switch may also be referred to as a lock switch or a lock switch.
  • the predetermined period of time may be between 0.5 and 3 seconds and in particular one second. However, it is also possible that the time period can be extended or shortened by an interface (also called MMI - man-machine interface) on the housing of the machine tool and with the aid of the control device.
  • first rotational speed value and the second rotational speed value may be identical. According to an advantageous embodiment of the method according to the invention, it may be possible that the first rotational speed value and the second rotational speed value are different.
  • the first speed value can be 2625 rev / min and the second speed value can be 5250 rev / min.
  • the object is achieved by a machine tool for carrying out the method, wherein the machine tool includes a control device, a drive, a driven by the drive tool, such as an abrasive, an operating switch and a locking switch.
  • the machine tool includes a control device, a drive, a driven by the drive tool, such as an abrasive, an operating switch and a locking switch.
  • FIG. 1 and 2 show a portion of a machine tool 1 in an embodiment of a grinder.
  • the machine tool 1 is designed as a drill, saw or the like.
  • the machine tool 1 essentially comprises a housing 2, a drive, a gear, a drive shaft, a tool holder, a power source and a control device.
  • the drive can be configured for example in the form of a brushless electric motor.
  • the drive is positioned so that a torque generated by the drive via the drive shaft and the tool holder is transferred to the tool.
  • the control device controls or regulates all functions of the machine tool 1 and in particular the functions of the drive.
  • the energy source is used to supply the electrical load of the machine tool 1 with an electrical energy.
  • An electrical consumer is in particular the drive.
  • the energy source can be configured in the form of a rechargeable battery (also called rechargeable battery).
  • the designed as an accumulator power source is connected to the housing 2 of the machine tool 1.
  • the power source can also be realized as a power cable for releasably connecting the machine tool 1 to a mains power connection (ie socket).
  • the control device controls and regulates in particular the supply of the drive with electrical energy, ie with electric current, whereby specifically the rotational speed of the drive designed as an electric motor is controlled or regulated.
  • the drive, the transmission, the drive shaft, the tool holder, the power source, the control device and the tool are not shown in the figures. At the in FIG.
  • FIG. 1 and 2 shown portion is a rear portion of the housing 2 of the machine tool 1 and in particular to one of the handles of the grinder designed as a machine tool 1.
  • the handle is used to hold and guide the machine tool 1. It is usually still another handle on a front Section of designed as a grinder machine tool 1 is provided.
  • a first, second, third and fourth switch 3, 4, 5, 6 is positioned on the handle of the machine tool 1.
  • the first, second, third and fourth switches 3, 4, 5, 6 are each designed as a pressure switch.
  • a multi-level scale S is provided on the handle.
  • the first switch 3 is an actuating switch 7, by which the machine tool 1 is selectively and reversibly inserted in an activation or Deactivation mode.
  • the operation switch 7 may also be referred to as an "I / O button".
  • a corresponding signal is sent from the operation switch 7 to the control device.
  • the controller provides for the drive to be activated by the supply of electrical energy (ie, supply of power) from the power source, thereby producing torque from the drive.
  • the machine tool 1 is turned on, so that can be done with this work.
  • the power tool 1 is set in the deactivation mode, a corresponding signal is sent from the operation switch 7 to the control device.
  • the machine tool 1 in the deactivation mode, the machine tool 1 is switched off, so that no more work can be done with it.
  • the control device is still active for a certain time, even if the drive has already been shut down.
  • the operation switch 7 is correspondingly connected to the control device for signal transmission by means of lines (not shown).
  • a certain force or pressure is exerted by a user of the machine tool 1 in the direction of arrow N on the surface of the operation switch 7, so that the operation switch 7 is moved in the direction of arrow N.
  • the operating switch 7 is designed for this purpose with a corresponding spring (not shown).
  • the operation switch 7 may also be made of an elastic material, eg rubber.
  • An activation of the machine tool 1 is generally only given as long as the operation switch 7 is pressed in the direction of arrow N.
  • the operating switch 7 is therefore not a switch with a latching function which remains in a desired (ie depressed) position by a single push.
  • the second switch 4 is a lock switch 8 which serves to lock the machine tool 1 or the control device and the drive in the activation mode. After the activation of the locking switch 8, the machine tool 1 and the control device and the drive remain in the activation mode, even if the operation switch 7 is no longer pressed or force is no longer exerted on the operation switch 7 in the direction of arrow N.
  • the lock switch 8 as well as the operation switch 7 can be used to set the machine tool 1 from the activation mode to the deactivation mode.
  • the lock switch 8 by operating the lock switch 8, the machine tool 1 is put from the activation mode to the deactivation mode.
  • a certain force or pressure is exerted by a user of the machine tool in the direction of arrow N on the surface of the interlock switch 8, so that the interlock switch 8 is moved in the direction of arrow N.
  • FIGS. 4 to 7 different modes or functions of the machine tool 1 are shown.
  • FIG. 4 is shown with the help of the graph, the situation that the operation switch 7 is pressed by the user for six seconds. For six seconds, the machine tool 1 and the control device and the drive is thus in the activation mode.
  • the speed of the engine designed as an electric motor increases linearly from zero to 5250 revolutions per minute (rev / min). For five seconds, the speed of the drive remains constant at 5250 rev / min.
  • no force or pressure is exerted by the user on the operation switch 7. After the actuation switch 7 is no longer depressed, the speed for the drive remains at 5250 rev / min.
  • FIG. 5 is shown with the help of the graph, a situation in which the user presses the operating switch 7 only for 0.8 seconds or operated.
  • the speed for the electric motor drive increases from zero to a value of 2625 rev / min over the period of zero to 0.75 seconds.
  • the speed remains constant at 2625 rev / min for a total of one second, ie for the period of 0.75 to 1.75 seconds. From 1.5 seconds falls Speed value from 2625 rev / min to zero.
  • the drive finally stops at 2.5 seconds and the machine tool 1 and the drive change from the activation mode to the deactivation mode.
  • FIG. 6 is shown with the help of the graph, a situation in which the user presses the operation switch 7 only for 6 seconds or operated.
  • the speed value for the drive increases linearly from zero to 5250 rev / min within one second.
  • the operation switch 7 remains pressed for a total of 6 seconds.
  • the machine tool 1 and the control device and the drive thus change from the deactivation state into the activation mode.
  • no pressure or force is exerted by the user on the operation switch 7.
  • the lock switch 8 is pressed once by the user. By pressing or pressing the lock switch 8, the machine tool 1 and the drive remain in the activation mode.
  • the speed value for the drive remains at 5250 rev / min as before.
  • the operation switch 7 is pressed again.
  • the lock switch 8 may also be actuated to change the machine tool 1 and the drive from the activation mode to the deactivation mode.
  • the speed value for the drive drops linearly and from 5250 rev / min to zero within one second. From the seventeenth second the drive stops.
  • FIG. 7 With the aid of the diagram, a situation is shown in which the user presses the actuation switch 7 for only 0.75 seconds.
  • the machine tool 1 and the drive change from the deactivation mode to the activation mode.
  • the speed value only increases from zero to 2625 rev / min.
  • the speed for the drive remains at 2625 rev / min.
  • the lock switch 8 is pressed once by the user.
  • the machine tool 1 and the drive remain in the activation mode.
  • the speed value for the drive increases linearly from 2625 to 5250 rev / min.
  • the operating switch 7 is pressed again after 15 seconds or from the fifteenth second.
  • the lock switch 8 may also be actuated to change the machine tool 1 and the drive from the activation mode to the deactivation mode.
  • the speed value for the drive drops linearly and from 5250 rev / min to zero within two seconds. From the seventeenth second the drive stops.
  • the housing 2 of the machine tool 1 is designed so that the operation switch 7 is located in a recess 10.
  • the surface of the actuating switch 7 is positioned lower in the direction N than the surface of the housing 2 of the machine tool 1.
  • the distance D between the surface of the actuating switch 7 and the surface of the housing 2 of the machine tool 1 is between 5 to 20 mm. In a particularly advantageous embodiment, the distance D is a value of 10 mm.
  • the edge surfaces 9 of the recess 10 on the surface of the machine tool 1 are chamfered and inclined to the operation switch 7. As in FIG.
  • the inclination of the tapered edge surfaces is designed so that a circle with the radius R at individual points of the edge surfaces and at a single point on the surface of the actuating switch 7 is applied.
  • This special embodiment of the recess 10 of the surface of the actuating switch 7 serves to make the operation of the actuating switch 7 more difficult and thus not accidentally actuated.
  • a user must specifically intervene with a finger in the recess of the housing 2 in order to actuate the operation switch 7 purposefully and willingly.
  • the depression is used to ensure that the operation switch 7 is not accidentally operated when the machine tool 1 overhead, ie on the surface of the housing 2, where the operation switch 7 is located on a substrate. Unevenness, such as small stones that are on the ground, can not trigger the operation switch 7 by the special depression of the operating switch.
  • the third and fourth switches 5, 6 are gear selector switches with which the individual gears of the transmission of the machine tool can be selected.
  • the selection and insertion of the gears is done electronically.
  • a force or a pressure in the direction of arrow N to the fourth switch 6, a higher gear is selected and engaged.
  • a force or a pressure in the direction of arrow N to the third switch 5 By applying a force or a pressure in the direction of arrow N to the third switch 5, a lower gear is selected and engaged.
  • the multilevel scale S exists from several light sources (eg LEDs) and indicates accordingly by lighting up the individual light sources, which gear is engaged in the transmission.
  • FIG. 1 can be seen that above the operating switch 7, a first light source 17 in the embodiment of a LED and the locking switch 8, a second light source 18 is positioned in the embodiment of a LED.
  • the first light source 17 lights up when the operation switch 7 is pressed and the machine tool 1 has been shifted from the deactivation mode to the activation mode.
  • the second light source 18 lights up when the lock switch is pressed and the machine tool is locked in the activation mode.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
  • Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
  • Portable Power Tools In General (AREA)
EP18166226.3A 2018-04-09 2018-04-09 Commutateur pour appareil de meulage et logique de commutation Withdrawn EP3552760A1 (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
EP18166226.3A EP3552760A1 (fr) 2018-04-09 2018-04-09 Commutateur pour appareil de meulage et logique de commutation
PCT/EP2019/056925 WO2019197123A1 (fr) 2018-04-09 2019-03-20 Commutateur pour machine-outil et logique de commutation
JP2020554534A JP7069339B2 (ja) 2018-04-09 2019-03-20 工作機械用スイッチ及び切り替えロジック
US17/045,020 US11389941B2 (en) 2018-04-09 2019-03-20 Switch for machine tool and switching logic
EP19711605.6A EP3774178B1 (fr) 2018-04-09 2019-03-20 Commutateur pour machine-outil et logique de commutation
CN201980021347.5A CN111902242B (zh) 2018-04-09 2019-03-20 用于工具机的开关以及开关逻辑

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP18166226.3A EP3552760A1 (fr) 2018-04-09 2018-04-09 Commutateur pour appareil de meulage et logique de commutation

Publications (1)

Publication Number Publication Date
EP3552760A1 true EP3552760A1 (fr) 2019-10-16

Family

ID=61913050

Family Applications (2)

Application Number Title Priority Date Filing Date
EP18166226.3A Withdrawn EP3552760A1 (fr) 2018-04-09 2018-04-09 Commutateur pour appareil de meulage et logique de commutation
EP19711605.6A Active EP3774178B1 (fr) 2018-04-09 2019-03-20 Commutateur pour machine-outil et logique de commutation

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP19711605.6A Active EP3774178B1 (fr) 2018-04-09 2019-03-20 Commutateur pour machine-outil et logique de commutation

Country Status (5)

Country Link
US (1) US11389941B2 (fr)
EP (2) EP3552760A1 (fr)
JP (1) JP7069339B2 (fr)
CN (1) CN111902242B (fr)
WO (1) WO2019197123A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102020209908A1 (de) 2020-08-05 2022-02-10 Robert Bosch Gesellschaft mit beschränkter Haftung Sicherheitsbedienvorrichtung und Werkzeugmaschinensystem mit der Sicherheitsbedienvorrichtung
CN216152273U (zh) * 2021-06-01 2022-04-01 创科无线普通合伙 电动工具

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GB2400811A (en) * 2003-04-25 2004-10-27 Bosch Gmbh Robert Drilling appliance with automatic position detection
DE102006060880A1 (de) * 2006-12-22 2008-06-26 Metabowerke Gmbh Elektrohandwerkzeuggerät
US20100018609A1 (en) * 2006-04-26 2010-01-28 Demain Technology Pty Ltd. Power Tool
DE102012223931A1 (de) * 2012-12-20 2014-06-26 Robert Bosch Gmbh Werkzeugmaschine mit einer Schaltereinrichtung
DE102016119582A1 (de) * 2015-10-15 2017-04-20 Makita Corporation Poliermaschine
DE102015222153A1 (de) * 2015-11-11 2017-05-11 Robert Bosch Gmbh Schaltvorrichtung
DE102017114226A1 (de) * 2016-09-30 2018-04-05 Defond Components Limited Verriegelbarer schaltmechanismus zur verwendung in einer elektrischen vorrichtung

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US3847233A (en) * 1973-06-29 1974-11-12 Black & Decker Mfg Co Trigger mechanism for hand-operated power device providing automatic lock-off and manual lock-on operation
JPS567053Y2 (fr) * 1977-11-15 1981-02-16
EP0157186B1 (fr) * 1984-04-03 1990-01-10 Preh-Werke GmbH & Co. KG Commutateur à curseur verrouillable
US4879438A (en) * 1988-08-01 1989-11-07 Ryobi Motor Products Corp. Lock-on/lock-off switch for power tool
JP2006281414A (ja) * 2005-04-04 2006-10-19 Ryobi Ltd 電動工具
DE102006028637A1 (de) * 2006-06-22 2007-12-27 Robert Bosch Gmbh Elektrischer Schalter mit einem Arretierelement
DE102009001132B4 (de) * 2009-02-25 2022-04-28 Robert Bosch Gmbh Elektrowerkzeug
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JP5841423B2 (ja) * 2011-12-21 2016-01-13 株式会社マキタ サンダ
US8872049B2 (en) * 2012-04-18 2014-10-28 Milwaukee Electric Tool Corporation Trigger lock-on lock-off mechanism
JP5854914B2 (ja) 2012-04-20 2016-02-09 株式会社マキタ 充電式電動工具
US10014128B2 (en) * 2013-12-17 2018-07-03 Robert Bosch Tool Corporation Portable power tool with trigger switch, trigger release and lock-on mechanism combination
US9868199B2 (en) * 2014-01-29 2018-01-16 Black & Decker Inc. Paddle assembly on a compact sander
JP6246649B2 (ja) * 2014-04-10 2017-12-13 株式会社マキタ 電動工具
DE102015214388A1 (de) * 2014-12-09 2016-06-09 Robert Bosch Gmbh Werkzeugmaschinenbedienvorrichtung
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JP6749203B2 (ja) * 2015-10-15 2020-09-02 株式会社マキタ ポリッシャ
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EP3217412B1 (fr) * 2016-03-08 2019-03-20 Festool GmbH Interrupteur pour une machine-outil portative
DE102016210937A1 (de) * 2016-06-20 2017-12-21 Robert Bosch Gmbh Handwerkzeugmaschine
US20180093335A1 (en) * 2016-10-04 2018-04-05 Tti (Macao Commercial Offshore) Limited Trigger lock for a miter saw
JP6924577B2 (ja) * 2017-01-13 2021-08-25 株式会社マキタ ジグソー
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Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2400811A (en) * 2003-04-25 2004-10-27 Bosch Gmbh Robert Drilling appliance with automatic position detection
US20100018609A1 (en) * 2006-04-26 2010-01-28 Demain Technology Pty Ltd. Power Tool
DE102006060880A1 (de) * 2006-12-22 2008-06-26 Metabowerke Gmbh Elektrohandwerkzeuggerät
DE102012223931A1 (de) * 2012-12-20 2014-06-26 Robert Bosch Gmbh Werkzeugmaschine mit einer Schaltereinrichtung
DE102016119582A1 (de) * 2015-10-15 2017-04-20 Makita Corporation Poliermaschine
DE102015222153A1 (de) * 2015-11-11 2017-05-11 Robert Bosch Gmbh Schaltvorrichtung
DE102017114226A1 (de) * 2016-09-30 2018-04-05 Defond Components Limited Verriegelbarer schaltmechanismus zur verwendung in einer elektrischen vorrichtung

Also Published As

Publication number Publication date
US11389941B2 (en) 2022-07-19
JP7069339B2 (ja) 2022-05-17
JP2021517077A (ja) 2021-07-15
CN111902242A (zh) 2020-11-06
EP3774178B1 (fr) 2024-05-01
US20210146523A1 (en) 2021-05-20
CN111902242B (zh) 2022-05-24
EP3774178A1 (fr) 2021-02-17
WO2019197123A1 (fr) 2019-10-17

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