EP3735338A1 - Werkzeugmaschinenvorrichtung - Google Patents
WerkzeugmaschinenvorrichtungInfo
- Publication number
- EP3735338A1 EP3735338A1 EP18826271.1A EP18826271A EP3735338A1 EP 3735338 A1 EP3735338 A1 EP 3735338A1 EP 18826271 A EP18826271 A EP 18826271A EP 3735338 A1 EP3735338 A1 EP 3735338A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- unit
- signal switching
- switching element
- locking
- machine tool
- 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.)
- Granted
Links
- 238000011156 evaluation Methods 0.000 claims abstract description 12
- 230000004913 activation Effects 0.000 claims description 9
- 230000033228 biological regulation Effects 0.000 claims description 7
- 230000014759 maintenance of location Effects 0.000 claims description 2
- 230000001105 regulatory effect Effects 0.000 abstract description 6
- 230000001276 controlling effect Effects 0.000 abstract description 3
- 230000007246 mechanism Effects 0.000 description 45
- 230000005540 biological transmission Effects 0.000 description 10
- 241001465754 Metazoa Species 0.000 description 7
- 230000006870 function Effects 0.000 description 6
- 230000004044 response Effects 0.000 description 5
- 230000009849 deactivation Effects 0.000 description 3
- 230000000994 depressogenic effect Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 241000331231 Amorphocerini gen. n. 1 DAD-2008 Species 0.000 description 1
- VVNCNSJFMMFHPL-VKHMYHEASA-N D-penicillamine Chemical compound CC(C)(S)[C@@H](N)C(O)=O VVNCNSJFMMFHPL-VKHMYHEASA-N 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 229910052729 chemical element Inorganic materials 0.000 description 1
- 229940000425 combination drug Drugs 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229940075911 depen Drugs 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000009527 percussion Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
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
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D16/00—Portable percussive machines with superimposed rotation, the rotational movement of the output shaft of a motor being modified to generate axial impacts on the tool bit
- B25D16/006—Mode changers; Mechanisms connected thereto
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D2216/00—Details of portable percussive machines with superimposed rotation, the rotational movement of the output shaft of a motor being modified to generate axial impacts on the tool bit
- B25D2216/0007—Details of percussion or rotation modes
- B25D2216/0015—Tools having a percussion-only mode
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D2216/00—Details of portable percussive machines with superimposed rotation, the rotational movement of the output shaft of a motor being modified to generate axial impacts on the tool bit
- B25D2216/0007—Details of percussion or rotation modes
- B25D2216/0023—Tools having a percussion-and-rotation mode
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D2216/00—Details of portable percussive machines with superimposed rotation, the rotational movement of the output shaft of a motor being modified to generate axial impacts on the tool bit
- B25D2216/0007—Details of percussion or rotation modes
- B25D2216/0038—Tools having a rotation-only mode
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D2250/00—General details of portable percussive tools; Components used in portable percussive tools
- B25D2250/221—Sensors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D2250/00—General details of portable percussive tools; Components used in portable percussive tools
- B25D2250/255—Switches
- B25D2250/261—Means for locking an operative switch on
Definitions
- the invention relates to a machine tool device, in particular for handheld power tools, having at least one signal switching element which at least to an activation tion of a drive unit of a machine tool is actuated, with at least one mode selector, which at least one to a selection of an operating mode Drive unit operable mode selector element has, and with at least one locking unit, which at least one Arretieri tion element at least to a locking of the signal switching element has.
- the machine tool device comprises at least one electronic unit, which is provided to a control and / or regulation of the drive unit at least in response to an evaluation of a positional characteristic of the Arretierbetuschistorselements.
- the machine tool device is designed in particular as a hand tool machine device, preferably as an electric hand tool machine device.
- the machine tool device is intended for use in a hand tool machine, preferably in an electric hand tool machine and particularly preferably in a drill and / or chisel hammer.
- the signal switching element is preferably arranged on a housin unit of the power tool.
- the Sig nalschaltelement may be movably mounted.
- the Signalschaltele element is designed as a trigger switch, as a slide switch, as a toggle switch, as a sensor switch or as another, a person skilled in the useful erschei Nendes signal switching element.
- the signal switching element by actuation of the signal switching element at least two mutually different Stel development characteristics of the signal switching element can be adjusted.
- the Stellungs characteristic of the signal switching element may in particular be designed as a physical Stel development of the signal switching element, in particular relative to the housing unit, as an electrical and / or electronic signal via an operating state of the signal switching element or as another, a person skilled in the useful appearing position characteristic of the signal switching element.
- the drive unit in particular at least one electric motor of the drive unit, the machine tool is controlled by the electronic unit in depen dence of an evaluation of the position characteristic and / or gere gelt, in particular activated.
- the signal switching unit of the electronic unit preferably provides the position characteristic of the signal switching element in the form of an electrical or electronic signal.
- the electric nikaji at least one electrical switching element, such as a semiconductor switch o.
- an electrical switching element such as a semiconductor switch o.
- An "electronic device” is to be understood as meaning in particular a unit having at least one control electronics.
- a “control electronics” is intended in particular to mean a unit with a processor unit and with a memory unit. unit and be understood with an operating program stored in the memory unit.
- the mode selection element is preferably arranged on the housing unit of the power tool.
- the operating mode selection element can be movable, preferably rotatable, mounted.
- the mode selector element is configured as a selector wheel, as a slide switch, as a toggle switch, as a sensor selector element or as another operating mode selector element that appears appropriate to a skilled person.
- various physical positions of the operating mode selector element, in particular relative to the housing unit, and / or various operating states of the mode selector element are assigned to different operating modes of the drive unit, in particular an impact mechanism of the drive unit.
- the impact mechanism of the drive unit is driven by the electric motor of the drive unit.
- the striking mechanism of the drive unit drives an insertion tool of the machine tool.
- the striking mechanism of the drive unit has at least two different operating modes.
- a striking mechanism of a drive unit of a drill and / or chisel hammer at least one drill hammer mode and at least one chisel hammer mode.
- an insert tool of the drill and / or chisel such as a drill o. The like.
- the insert tool is preferably driven translationally by the impact mechanism of the drive unit to at least substantially without rotation along the main extension direction of the insertion tool.
- a "main extension direction" of an object is to be understood here in particular a direction which runs parallel to a longest edge of a smallest geometric cuboid, which just completely encloses the object.
- the electronic unit is preferably provided for controlling and / or regulating the drive unit, in particular the percussion mechanism of the drive unit, as a function of an evaluation of a selected operating mode.
- the mode selector unit of the electronics unit provides the selected mode of operation in the form of an electrical signal.
- the term "intended" is to be understood in particular to be specially programmed, designed and / or approved. The fact that an object is intended for a specific function should in particular mean that the object fulfills and / or executes this specific function in at least one application and / or operating state.
- the locking actuating element is preferably arranged on the housing unit of the power tool.
- the Arretierbetuschi can be mounted movable element.
- the Arretierbet2011i is transmission element as a trigger switch, as a slide switch, as a Kippschal ter, as a sensor element or as another, one of the skilled appear to be reasonable Arretierbetuschistselement.
- the Arretierbetuschistselement is provided for a mechanical, in particular to a force and / or positive locking of the signal switching element.
- the Arretierbet2011istselement engage in a locking of Signalschaltele management in a recess of the signal switching element and in particular special lock the signal switching element mechanically.
- a movement of a locked signal switching element is at least substantially blocked.
- the locking unit is seen before, to a set by actuation of the signal switching element operating state of the drive unit, in particular the electric motor to the drive unit, electronically, preferably independent of a position of the Sig nalschaltelements, in particular via the electronic unit to maintain.
- the position characteristic of the Arretierbetuschistselements may in particular be designed as a physical position of the Arretierbetuschistselements, in particular relative to the housing unit, as an electrical and / or electronic signal on an operating state of the Arretierbetuschistselements or as another, ei nem professional appear useful sense characteristic of Arretierbet2011i transmission elements.
- the locking unit of the electronic unit preferably provides the position characteristic of the locking actuating element in the form of an electrical or electronic signal.
- the electronic unit is preferably dependent on a control and / or regulation of the drive unit in dependence gessor of an evaluation of the position characteristic of the Arretierbettechnik instituteselements, the selected mode and the position characteristic of the signal switching element provided.
- the electronics unit is at a Stel lungskenn thanks the signal switching element, which is assigned to an activation of the drive unit, in particular the electric motor of the drive unit, selected chisel hammer mode and a position characteristic of Arretierbetutzselements which is assigned to a locking of Signalschaltele management, to a Activation of the drive unit provided.
- the selected th mode and the position characteristic of the signal switching element Before preferably in the memory unit of the electronic unit for each combi nation of the position characteristic of the Arretierbetuschlerselements, the selected th mode and the position characteristic of the signal switching element shall an adjusting operating state of the drive unit, in particular the electric motor of the drive unit deposited.
- the electronic unit is at a position characteristic of the signal switching element, which is assigned to an activation of the drive unit, in particular the electric motor of the drive unit, with selected Bohrhammer- mode and at a position characteristic of the Arretierbetutzutzselements, which is associated with a locking of the signal switching element to a deactivation of Drive unit provided.
- a drive unit of a machine tool can advantageously be controlled and / or controlled in dependence on an evaluation of a position characteristic of a Arretierbetuschistsele element.
- a complex mechanism between the locking actuator and a Signalschaltele element can be dispensed with.
- a mechanical load of construction parts of a locking unit and a signal switching unit can be reduced and an advantageous long-life machine tool device can be provided. It may be an advantageous cost-effective and compact trained horrma machine device provided.
- the locking unit has at least one operatively connected to the Arretierbetutzselement Arretierschaltelement, wel Ches is provided to provide the electronic unit, the position characteristic of the Ar retierbetuschistselements.
- a mechanical Arretierbetuschistselement preferably via a locking mechanism, with the Arretierschaltelement operatively connected.
- the locking switching element is electrically connected to the electronic unit.
- the Arre animal switching element is provided depending on the position of the Arretierbetuschistus, orele management to close or open an electrical circuit with the electronics unit.
- an electric current flow to the electric nikaji or an electrical current flow is interrupted to the electronic unit interrupted.
- the locking switching element of the electronic unit preferably provides the position characteristic of the locking actuating element in the form of an electrical signal.
- a force is exerted on the Arretierschaltelement by an actuation of the Arretierbetuschists elements, whereby preference, a closing or opening of the electrical circuit with the Elek ronikü is effected by the Arretierschaltelement.
- an operative connection between the Arretierbetuschistselement and the locking switching element is designed such that upon actuation of the Arretierbet2011i transmission element to a locking of the signal switching element of the circuit is closed with the electronic unit by the Arretierschaltelement.
- the operative connection between the Arretierbettechnikistselement and the Arretierschaltelement is designed such that upon actuation of the Ar retierbet effetistselements is opened to a Dearret réelle the signal switching element of the circuit with the electronic unit by the Arretierschaltelement.
- the operative connection between the Arretierbe actuation element and the Arretierschaltelement is designed such that upon actuation of the Arretierbetuschistselements to a locking of the Sig nalschaltelements the circuit with the electronic unit is opened by the locking switching element and that upon actuation of the Arretierbet2011i transmission elements a Dearret réelle the signal switching element of the circuit with the electronic unit is closed by the Arretierschaltelement.
- the position characteristic of the ArretierbetHencei transmission element can be provided in the form of an electrical signal.
- Advantageous can be dispensed with an elaborate mechanism to provide the Stellungs kennddling.
- a durable and excellenti ge machine tool device can be provided. It is also proposed that the mode selector unit has at least one operatively connected to the mode selector element Radioly ele- ment, which is intended to provide the electronics unit a signal on the selected mode.
- a mechanical cal selection element is operatively connected to the mode switching element.
- the mode switching element is provided to provide the electronic unit with an electrical signal on the selected mode.
- the mode switching element is electrically lei tend connected to the electronic unit.
- the mode switching element may be formed as a switch, in particular in only two selectable by means of the mode actuating element operating modes.
- the mode switch element may preferably be designed as a switch with a plurality of switch positions, as a potentiometer or as another, one skilled in the art seem appropriate switching mode element.
- an operative connection between the mode selector element and the mode selector element is such that, depending on a position of the mode selector element corresponding to a selected mode, different electric current flows through the mode selector element to the electronic unit.
- Advantageously can be dispensed with a complex mechanism to a ready position of a signal over a selected mode. Before geous can be provided a durable and inexpensive machine tool device.
- the signal switching unit is provided for a provision of a position characteristic of the signal switching element to a circuit of electrical currents with electric currents of less than or equal to 500 mA.
- the signal switching unit has a, in particular with the signal switching element operatively connected, signal switching contact.
- the signal switching contact is electrically connected to the Elektronikein unit.
- the signal switching contact is provided to provide the electronic unit with the position characteristic of the signal switching element in the form of an electrical signal.
- an operative connection between the signal switching element and the signal switching contact is designed such that in that, depending on a position of the signal switching element, an electrical circuit is opened or closed with the electronic unit by the signal switching contact.
- the electronic unit flows in a closed electrical circuit rule with the electronic unit only an electric current with an electric current of at most 500 mA, preferably of at most 250 mA and more preferably of at most 100 mA via the signal switching contact.
- the electrical switching element of the electronic unit is designed such that electrical currents with electrical currents of at most 500 mA, in particular for activation or deactivation of the drive unit, in particular of the electric motor of the drive unit, by the electrical switching element, can be detected.
- a durable machine tool device can be provided.
- the locking unit is seen to a locking of the Sig nalschaltelements in an unactuated state of the signal switching element before.
- the Arretierbetuschistselement is provided to mechanically block the signal switching element in an unactuated state of the Signalschaltele management.
- an actuation of the signal switching element is prevented by a mechanical blocking of the signal switching element.
- the locking unit is provided to a set by an unactuated switching element deactivation tion of the drive unit electronically, preferably independently of a Stel development of the signal switching element, in particular via the electronics unit, zuhalt.
- an unwanted starting of a machine tool can be prevented.
- a separate locking element to a locking of the signal switching element in an unactuated state of the signal switching element can be dispensed with.
- a user-safe and compact machine tool device can be provided.
- the signal switching element can be dearretierbar only by means of the locking unit.
- the signal switching element is dearretierbar by an actuation of the Arretierbetuschistselements.
- the locking unit is provided to ten a locking of the signal switching elements independently of an operation of the signal switching element.
- a user-friendly machine tool device can be provided.
- the locking unit is formed as a bistable Arretierein unit.
- the locking unit has a bistable Arre animal mechanism.
- the bistable locking mechanism is connected to the, in particular mechanical, Arretierbetutzistselement and with the Arre animal switching element.
- the bistable locking mechanism has exactly two stable states.
- a first stable state of the bistable locking mechanism preferably corresponds to a locking of the signal switching element.
- a second stable state of the bistable locking mechanism preferably corresponds to a dearret réelle of the signal switching element.
- the bistable locking mechanism can switch from one of the two stable states to another of the two stable states by actuating the animal actuation element.
- the bistable Arre animal mechanism as a ballpoint pen mechanism, as a bistable sliding bemechanismus, as a bistable rocker mechanism or as another egg egg nem skilled appear to make sense from bistable locking mechanism.
- a lock or Dearret réelle the signal switching element can be maintained, even if the Arretierbetuschistselement is released after an operation.
- the locking unit is seen independently of the loading mode to maintain the locking of the signal switching element.
- the locking unit is provided for maintaining the, in particular special mechanical, locking of the signal switching element in selected rotary hammer mode.
- the electronic unit is provided as, the drive unit in response to an evaluation of the position characteristic of the signal switching element, the selected mode and to control the position characteristic of the locking actuator and / or to regulate.
- the electronics unit is provided to deactivate the drive unit with the selected rotary hammer operating mode and the locked signal switching element.
- a low-cost machine tool device can be provided.
- the signal switching unit has at least one speed encoder unit operatively connected to the signal switching element for regulating the rotational speed of the drive unit.
- the Ge speed generator unit is provided for regulating a speed of the electromobility sector of the drive unit.
- the speed sensor unit can preferably be designed as a potentiometer or as another speed indicator unit that appears appropriate to a person skilled in the art.
- the speed sensor unit is mechanically operatively connected to the signal switching element.
- the speed sensor unit is electrically connected to the electronics unit lei tend.
- an operative connection between the signal switching element and the speed sensor unit is designed such that the speed sensor unit of the electronic unit in dependence on a position of the signal switching element, preferably propor tional to a position of the signal switching element, an electrical signal, such as an electrical voltage, an electric current o. The like., Provides.
- different electrical signals are different speeds of the drive unit, in particular the electric motor of the drive unit assigned.
- the locking unit may be formed such that the signal switching element in different positions according to un ferent speeds of the drive unit, in particular the electric motor of the drive unit, can be locked.
- a Malawi device can be provided with a gas function by means of a lockable Signalschaltele management.
- the invention proceeds from a machine tool, in particular from a hand tool machine, with at least one machine tool device according to the invention.
- the machine tool is operable with electrical energy.
- the machine tool has the drive unit, which preferably comprises at least one electric motor and a striking mechanism.
- the machine tool preferably comprises further components required in particular for operation of the machine tool.
- the machine tool at least one Energysavingsein unit, such as a rechargeable battery, a power cord o. The like., A tool lining, a housing and / or further, a person skilled in the appear reasonable components.
- the machine tool has a mass which is less than 40 kg, preferably less than 10 kg and particularly preferably less than 5 kg.
- the machine tool is designed as a drill and / or chisel hammer.
- the Malawimaschi ne is designed as a jigsaw, as a drill, as an angle grinder or as another, one skilled in the art seem appropriate tool.
- a durable, compact, cost-effective and / or user-safe machine tool can be provided.
- the machine tool device according to the invention and / or the fiction, contemporary machine tool should / should not be limited to the application and embodiment described above.
- the machine tool device according to the invention and / or the machine tool according to the invention may have a number differing from a number of individual elements, components and units specified herein for fulfilling a function described herein.
- values lying within the stated limits are also to be disclosed as disclosed and used as desired.
- FIG. 3 shows a part of the machine tool device with a locked in egg nem actuated state signal switching element in a schematic representation
- FIG. 5 shows a part of the machine tool device with a de-energized in egg nem unactivated state signal switching element in an alternative schematic representation
- Fig. 7 shows the part of the machine tool device with a depressed in egg nem actuated state signal switching element in the alternative schematic representation
- Fig. 8 shows the part of the machine tool device with a locked in egg nem actuated state signal switching element in the alternative schematic representation.
- FIG. 1 shows a machine tool 18 in a schematic representation.
- the machine tool 18 is designed as a hand tool.
- the machine tool 18 is designed as a drill and / or chisel hammer.
- the Machine tool 18 has a housing unit 36.
- the Malawimaschi ne 18 has a drive unit 16.
- the drive unit 16 is arranged within the housing unit 36.
- the drive unit 16 includes an electromobility gate and a striking mechanism.
- the drive unit 16 is provided to drive a set A tool 38 of the machine tool 18.
- the insert tool 38 is formed as a drill.
- the machine tool 18 includes a machine tool device 10.
- the machine tool device 10 includes a signal switching unit 12.
- the signal switching unit 12 has a signal switching element 14.
- the signal switching element 14 is operable to an activation of the drive unit 16 of the machine tool 18.
- the signal switching element 14 is to an activation of the electric motor of the drive unit 16 of Malawima machine 18 operable.
- the signal switching element 14 is arranged on a handle 40 of the machine tool 18.
- the signal switching element 14 is formed as a Drü ckerschalter.
- the machine tool device 10 includes a mode selection unit 20.
- the mode selection unit 20 has a mode selection element 22.
- the mode selection element 22 is operable to select a mode of operation of the drive unit 16.
- the mode selection element 22 is operable to select a mode of operation of the impact mechanism of the drive unit 16.
- the mode selection element 22 is disposed on the housing unit 36.
- the mode selection element 22 is formed as a rotary switch. By means of the mode selector unit 20 can be switched between a hammer drill operating mode and a chipping mode.
- the machine tool device 10 comprises a Arretie purity 24.
- the locking unit 24 has a Arretierbetuschistselement 26 on.
- the Arretierbetuschistselement 26 is provided at least to a locking of the signal switching element 14.
- the locking actuator 26 is disposed on the handle 40.
- the locking actuator 26 is disposed substantially perpendicular to the signal switching element 14 on the handle 40.
- the locking actuator 26 is arranged on a side surface of the handle 40 is. Alternatively, it is conceivable that the locking actuating element 26 is arranged on an upper side of the handle 40.
- the term "substantially perpendicular" is intended here to define, in particular, an orientation of a direction relative to a reference direction, the direction and the reference direction, in particular special in one plane, including an angle of 90 ° and the angle a maximum deviation of particular smaller than 8 °, advantageous less than 5 ° and particularly advantageously less than 2 °.
- the Arretierbetä actuating element 26 is formed as a trigger switch.
- the Malawimaschi nenvorraum 10 includes an electronic unit 28.
- the electronic unit 28 is provided for an evaluation of a position characteristic of the Arretierbetuschistselements 26.
- the electronics unit 28 is provided for controlling and / or regulating the drive unit 16 at least as a function of the evaluation of the position characteristic of the locking actuating element 26.
- the elec tronic unit 28 is provided to a control and / or regulation of the drive unit 16 in response to an evaluation of a position characteristic of the signal switching element 14, a selected mode and the position characteristic of the Arretierbettechnik instituteselements 26.
- the electronic unit 28 is disposed within the housing unit 36.
- FIG. 2 shows the machine tool device 10 in a schematic Dar position.
- the machine tool device 10 comprises the signal switching unit 12, the mode selector unit 20, the locking unit 24 and the electronic unit 28.
- a power supply unit 42 of the machine tool 18 is electrically connected to the electronic unit 28.
- the power supply unit 42 is formed as a power supply. Alternatively, it is conceivable that the power supply unit 42 is designed as an accumulator.
- the locking unit 24 has a Arretierschaltele element 30.
- the locking switch element 30 is operatively connected to the Arretierbetuschistsele element 26.
- the locking switch element 30 is mechanically coupled to the Arretierbettechniki transmission element 26.
- the locking switching element 30 is mechanically coupled via a bistable locking mechanism 46 of the locking unit 24 with the locking actuator 26.
- the locking switching element 30 is designed as an electrical switching contact.
- the locking switching element 30 is provided to the electronic unit 28, the position characteristic of the locking actuation element 26 to provide.
- the locking switching element 30 is electrically conductively connected to the electronics unit 28.
- the locking switching element 30 provides the electronic unit 28 with the position characteristic in the form of an electrical signal.
- the locking actuator 26 and the locking switching element 30 are each shown in an unactuated state.
- the mode selection unit 20 has a mode switching element 32.
- the mode switch element 32 is operatively connected to the mode selector element 22.
- the mode switching element 32 is mechanically coupled to the mode selection element 22.
- the mode switching element 32 is formed as an electrical switching contact.
- the mode switch element 32 is provided to provide the electronics unit 28 with a signal about the selected mode of operation.
- the mode switching element 32 is connected to the elec tronic unit 28 electrically conductive.
- the mode switching element 32 provides the electronic unit 28 with an electrical signal over the selected loading mode.
- the signal switching unit 12 is provided for providing a positional characteristic of the signal switching element 14 to a circuit of electric currents with electric currents of less than or equal to 500 mA.
- the Sig nalschaltmaschine 12 has an electrical signal switching contact 44.
- the elec- tical signal switching contact 44 is operatively connected to the signal switching element 14.
- the electrical signal switching contact 44 is mechanically coupled to the element 14 Signalschaltele.
- the electrical signal switching contact 44 is electrically conductively connected to the electronic unit 28.
- the electrical signal switching contact 44 is provided to provide the electronic unit 28, the position characteristic of the signal switching element 14 in the form of an electrical signal.
- An operative connection between the signal switching element 14 and the electrical signal switching contact 44 is formed such that, depending on a position of the signal switching element 14, an electrical circuit with the electronic unit 28 is opened or closed by the electrical signal switching contact 44. In a closed electrical circuit with the electronics unit 28 only an electric current flows with an electrical current of at most 500 mA via the electrical signal switching contact 44.
- the electronics unit 28 has a not further shown electrical switching element, the drive unit 16 in response to the position characteristic the Sig nalschaltelements 14 controls and / or regulates.
- the electrical switching element of the electronic unit 28 is designed such that electrical currents with electrical currents of at most 500 mA can be detected.
- the Sig nalschaltelement 14 and the electrical signal switching contact 44 are each shown in an unactuated state.
- the locking unit 24 is designed as a bistable locking unit.
- the Arretie purity 24 has a bistable locking mechanism 46.
- the bistable locking mechanism 46 is operatively connected to the locking actuating element 26 on a first side 48 of the bistable locking mechanism 46.
- the bistabi le locking mechanism 46 is mechanically coupled to the animal side actuation element 26 on the first side 48.
- the bistable locking mechanism 46 is connected to the locking switching element 30 on a second side 50 of the bistable locking mechanism 46, which faces away from the first side 48.
- the locking switching element 30 is arranged on a substantially perpendicular right to the first side 48 arranged side of the locking mechanism 46 or on the first side 48.
- the bistable locking mechanism 46 is on the second side 50 mechanically coupled to the locking switching element 30 GE.
- the bistable locking mechanism 46 establishes the operative connection between the locking actuating element 26 and the locking switching element 30.
- the bistable locking mechanism 46 has exactly two stable states.
- a first stable state of the bistable locking mechanism 46 corresponds to egg ner locking of the signal switching element 14.
- a second stable state of the bistable Arretiermechanismusses 46 corresponds to a Dearret réelle the signal switching element 14.
- the bistable locking mechanism 46 can by a Actuate movement of the Arretierbetuschistselements 26 of one of the two stable States de switch to another of the two stable states.
- the bistable Arre animal mechanism 46 is formed as a ballpoint pen mechanism. Alterna tively, it is conceivable that the bistable locking mechanism 46 is formed as a bistable sliding mechanism or as a bistable rocking mechanism.
- the signal switching unit 12 has a speed encoder unit 34.
- the speed encoder unit 34 is the verbun with the signal switching element 14.
- the speed encoder unit 34 is mechanically coupled to the signal switching element 14.
- the speed sensor unit 34 is provided for regulating a speed of the drive unit 16.
- Thenchsge beratti 34 is provided to a regulation of a rotational speed of the electric motor to the drive unit 16.
- the speed sensor unit 34 is electrically conductively connected to the electronics unit 28.
- An operative connection between the signal switching element 14 and the speed sensor unit 34 is such designed such that the speed encoder unit 34 of the electronic unit 28 in response to a position of the signal switching element 14 provides an electrical signal.
- the speed encoder unit 34 provides the electronic unit 28 with an electrical signal proportional to a position of the signal switching element 14.
- the Arretie purity 24 is formed such that the signal switching element 14 at a Stel development of the signal switching element 14 according to a deactivated Antriebssein unit 16 and at a position of the signal switching element 14 corresponding to a maximum rotational speed of the electric motor of the drive unit 16 can be locked.
- the locking unit 24 is designed such that the signal switching element 14 in a plurality of different positions corresponding to a plurality of different rotational speeds of the electric motor of the drive unit 16 can be locked.
- FIG. 3 shows a part of the machine tool device 10 with a locked in egg nem actuated state signal switching element 14 in a schematic representation.
- the actuated state of the signal switching element 14 corresponds to a displacement of the signal switching element 14 along a first direction 52 in comparison to an unactuated state of the signal switching element 14.
- the electrical signal switching contact 44 is closed and provides the electronic unit 28 is not further asked the position characteristic of the signal switching element 14.
- the signal switching element 14 is locked by the locking actuator 26.
- a latching extension 54 of the locking actuating element 26 engages in a latching recess 56 of the signal switching element 14.
- a movement of the Sig nalschaltelements 14 against the first direction 52 is blocked by the Arretierbe actuating element 26.
- the locking switching element 30 is closed and provides the electronic unit 28, not shown, the position characteristic of the locking actuating element 26.
- the signal switching element 14 is single Lich by means of the locking unit 24 dearretierbar.
- the signal switching element 14 is dearretierbar by an actuation of the locking actuator 26.
- By actuation of the Arretierbetutzutzselements 26 of the locking projection 54 is ent against a second direction 58 of the latching recess 56 movable. A movement of the signal switching element 14 against the first direction 52 is released.
- the locking unit 24 is independent of the mode to a Retention of the locking of the signal switching element 14 is provided. Upon selection of the hammer drill mode, the signal switching element 14 remains in the actuated and locked state.
- the electronic unit 28 disables the drive unit 16 due to the evaluation of the selected mode, the position characteristic of the Sig nalschaltelements 14 and the position characteristic of the Arretierbetuschistsele element 26th
- FIG. 4 shows the part of the machine tool device 10 with a signal switching element 14 arrested in an unactuated state in the schematic illustration.
- the electrical signal switching contact 44 is open.
- the positional characteristic of the signal switching element 14 is provided to the electronic unit 28 in the form of an electrical zero signal.
- the locking unit 24 is provided to a locking of the signal switching element 14 in an unactuated state of the Sig nalschaltelements 14.
- the signal switching element 14 is locked by the retierbetuschistselement Ar 26.
- the latching extension 54 of the Arretierbet2011i transmission element 26 blocks the signal switching element 14. A movement of the signal switching element 14 along the first direction 52 is actuated by the locking element 26 is blocked.
- the locking switching element 30 is closed and provides the electronic unit 28, the position characteristic of the Arretierbettechniki transmission element 26 ready.
- Figure 5 shows a part of the machine tool device 10 with a de-energized in egg nem unactivated state signal switching element 14 in an alternative ven schematic representation.
- the part of the machine tool device 10 is shown in simplified form.
- the bistable locking mechanism 46, the locking switching element 30, the electrical signal switching contact 44, and the VELOCITY keitsgeberappel 34 are not shown for clarity.
- the Arre animalbetuschistselement 26 of the locking unit 24 is in an unconfirmed state.
- the signal switching element 14 of the signal switching unit 12 is freely movable.
- the signal switching element 14 is movable along the first direction 52.
- FIG. 6 shows the part of the machine tool device 10 with a signal switching element 14 locked in an unactuated state in the alternative schematic representation.
- the locking actuating element 26 of the locking device unit 24 is in an actuated state.
- the latching extension 54 of the Arretierbet2011i transmission element 26 is compared to an unactuated state of the locking actuation element 26 along the second direction 58 shifted.
- a movement of the signal switching element 14 of the signal switching unit 12 along the first direction 52 is blocked by the locking actuating element 26.
- FIG. 7 shows the part of the machine tool device 10 with a signal switching element 14 that has been depressed in an actuated state in the alternative schematic representation.
- the locking actuating element 26 of the locking unit 24 is in an unactuated state.
- the signal switching element 14 of the Sig nalschalttechnik 12 is free to move.
- the signal switching element 14 is movable counter to the first direction 52.
- Figure 8 shows the part of the machine tool device 10 with a locked in an actuated state signal switching element 14 in the alternative schematic representation.
- the locking actuator 26 of the locking unit 24 is in an actuated state.
- the latching extension 54 of the Arretierbetutzsele element 26 is compared to an unactuated state of the Arretierbet2011i transmission element 26 along the second direction 58 shifted.
- the latching projection 54 engages in the latching recess 56 of the signal switching element 14 of the signal switching unit 12 a. A movement of the signal switching element 14 against the first direction 52 is blocked by the locking actuator 26.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Percussive Tools And Related Accessories (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102018200082.4A DE102018200082A1 (de) | 2018-01-04 | 2018-01-04 | Werkzeugmaschinenvorrichtung |
PCT/EP2018/085136 WO2019134810A1 (de) | 2018-01-04 | 2018-12-17 | Werkzeugmaschinenvorrichtung |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3735338A1 true EP3735338A1 (de) | 2020-11-11 |
EP3735338B1 EP3735338B1 (de) | 2023-05-03 |
Family
ID=64899297
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP18826271.1A Active EP3735338B1 (de) | 2018-01-04 | 2018-12-17 | Werkzeugmaschinenvorrichtung |
Country Status (5)
Country | Link |
---|---|
US (1) | US20200346337A1 (de) |
EP (1) | EP3735338B1 (de) |
CN (1) | CN111542417A (de) |
DE (1) | DE102018200082A1 (de) |
WO (1) | WO2019134810A1 (de) |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0871934A (ja) * | 1994-08-30 | 1996-03-19 | Max Co Ltd | ネジ締め機におけるスイッチのロック機構 |
DE10309703A1 (de) * | 2003-03-06 | 2004-09-23 | Metabowerke Gmbh | Elektrohandwerkzeuggerät mit Diebstahlschutzeinrichtung und Verfahren zum Betreiben eines solchen Elektrohandwerkzeuggeräts |
DK1640118T3 (da) * | 2004-09-22 | 2008-03-17 | Black & Decker Inc | Låsbar triggerknap til borehammer |
GB0503558D0 (en) * | 2005-02-22 | 2005-03-30 | Black & Decker Inc | Actuation apparatus for power tool |
GB0503784D0 (en) * | 2005-02-24 | 2005-03-30 | Black & Decker Inc | Hammer drill |
DE102014202585A1 (de) * | 2013-04-29 | 2014-10-30 | Robert Bosch Gmbh | Handwerkzeugbedieneinheit |
DE102013212573B4 (de) * | 2013-06-28 | 2023-12-14 | Robert Bosch Gmbh | Handwerkzeugmaschinenschaltvorrichtung |
DE102015214368A1 (de) * | 2014-12-09 | 2016-06-09 | Robert Bosch Gmbh | Werkzeugmaschinenbedienvorrichtung |
DE102015222152A1 (de) * | 2015-11-11 | 2017-05-11 | Robert Bosch Gmbh | Elektrohandwerkzeugmaschine |
DE102015226440A1 (de) * | 2015-12-22 | 2017-06-22 | Robert Bosch Gmbh | Handwerkzeugmaschinenvorrichtung |
EP3222389A1 (de) * | 2016-03-21 | 2017-09-27 | HILTI Aktiengesellschaft | Elektrische handwerkzeugmaschine |
DE102016210937A1 (de) * | 2016-06-20 | 2017-12-21 | Robert Bosch Gmbh | Handwerkzeugmaschine |
-
2018
- 2018-01-04 DE DE102018200082.4A patent/DE102018200082A1/de not_active Withdrawn
- 2018-12-17 WO PCT/EP2018/085136 patent/WO2019134810A1/de unknown
- 2018-12-17 CN CN201880085420.0A patent/CN111542417A/zh active Pending
- 2018-12-17 US US16/960,043 patent/US20200346337A1/en not_active Abandoned
- 2018-12-17 EP EP18826271.1A patent/EP3735338B1/de active Active
Also Published As
Publication number | Publication date |
---|---|
WO2019134810A1 (de) | 2019-07-11 |
EP3735338B1 (de) | 2023-05-03 |
CN111542417A (zh) | 2020-08-14 |
DE102018200082A1 (de) | 2019-07-04 |
US20200346337A1 (en) | 2020-11-05 |
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