EP3023198B1 - Machine-outil manuelle, notamment visseuse sans fil - Google Patents

Machine-outil manuelle, notamment visseuse sans fil Download PDF

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Publication number
EP3023198B1
EP3023198B1 EP15193818.0A EP15193818A EP3023198B1 EP 3023198 B1 EP3023198 B1 EP 3023198B1 EP 15193818 A EP15193818 A EP 15193818A EP 3023198 B1 EP3023198 B1 EP 3023198B1
Authority
EP
European Patent Office
Prior art keywords
hand
power tool
held power
tool
motion
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.)
Active
Application number
EP15193818.0A
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German (de)
English (en)
Other versions
EP3023198A1 (fr
Inventor
Rudolf Fuchs
Amos Albert
Steffen Petereit
Christoph Koch
Istvan SZELL
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.)
Robert Bosch GmbH
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Robert Bosch GmbH
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Publication date
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Publication of EP3023198A1 publication Critical patent/EP3023198A1/fr
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Publication of EP3023198B1 publication Critical patent/EP3023198B1/fr
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B21/00—Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
    • B25B23/14—Arrangement of torque limiters or torque indicators in wrenches or screwdrivers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
    • B25B23/14—Arrangement of torque limiters or torque indicators in wrenches or screwdrivers
    • B25B23/147—Arrangement of torque limiters or torque indicators in wrenches or screwdrivers specially adapted for electrically operated wrenches or screwdrivers
    • 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

Definitions

  • the invention relates to a hand tool, in particular a cordless screwdriver, according to the preamble of claim 1.
  • cordless screwdrivers having in a housing an electric drive motor for driving a tool holder into which a tool such as a screwdriver bit can be used.
  • the cordless screwdrivers are provided with a trigger switch for regulating the rotational speed, in addition, the cordless screwdrivers have a switching device for switching the direction of rotation. The torque can also be adjusted via an adjusting device.
  • EP 1 895 555 A2 describes a hand tool with at least one contactless switching element, which serves to adjust the right / left rotation and the control of the electric motor.
  • the invention has the object, a hand tool machine in such a way that in an ergonomic way a precise workpiece machining is given.
  • the hand tool according to the invention is, for example, a drill, a hammer drill or a screwdriver such as a cordless screwdriver or drill, which in principle also other Hand tool machines come into consideration, which have a drive motor, preferably an electric drive motor in a housing for driving a tool holder, in which a tool is used, wherein the tool holder performs a working movement as a rotary movement.
  • the drive device comprising the drive motor is set via manipulated variables or signals of a regulating or control device.
  • the handheld power tool has a sensor device, via which an adjusting movement generated by the user, in the form of a rotational movement, of at least one part of the handheld power tool can be determined.
  • a user-generated actuating movement may be an axial movement.
  • the determined adjusting movement is based on the setting of the drive device by generating a manipulated variable from the adjusting movement in a regulating or control device in the handheld power tool, which serves as an input variable for the drive device.
  • the drive motor which is part of the drive device, is controlled or controlled via the manipulated variable.
  • the adjusting movement - a rotary movement with or without additional axial movement - the hand tool, which is detected by sensors, here represents an actual size.
  • the adjusting movement relates to the movement of at least a portion of the power tool, in contrast to an operation of a pressure switch or push button, which is used for example in drills or cordless screwdrivers for adjusting the engine speed.
  • a pressure switch or push button which is used for example in drills or cordless screwdrivers for adjusting the engine speed.
  • the movement of at least one part of the hand tool or a substantial part of the hand tool determined by the user by guiding and holding the housing of the power tool. It is not an operation of the pushbutton or pushbutton.
  • relative movements occur between a first part and a second part of the handheld power tool.
  • a part of a hand tool machine is understood to mean, in particular, a region of a hand tool, for example an area which forms the grip area or an area which serves to receive at least one component of the drive train, eg a motor and / or gear, or a region which forms the tool receiving area.
  • the adjusting movement relates to a rotational movement about the longitudinal axis of only a first part of the power tool, which is rotatably mounted relative to a second part of the power tool.
  • a first part of the power tool it may, for. B. may be a grip area, which optionally comprises one or more components of the drive train.
  • a tool receiving area which optionally comprises one or more components of the drive train in addition to a tool holder.
  • the at least one sensor device current states of the power tool in particular movements of the housing of the power tool are determined, which go back to an operation by the operator and are used to adjust the drive means.
  • the speed, the torque and / or the direction of rotation can be adjusted, wherein both stationary or quasi-stationary states with a constant value as well as dynamic processes with a time-varying course of the relevant engine characteristics are adjustable.
  • the current state of the power tool is determined, which represents a response to the operation by the operator. This makes it possible to interpret in an ergonomic manner movements that exerts the operator on the power tool, and consequently to generate the manipulated variable for setting the drive device.
  • Another advantage is that in principle no direction of rotation, Anschalt- or speed buttons or buttons or switches must be pressed to adjust the functions of the power tool.
  • a tool according to one of the principles described here allows a completely closed housing. Apart from the rotating tool holder, there are no openings in the tool housing through which dust, water or other liquids could penetrate.
  • Axial and / or rotational movements of the power tool can be determined via the sensor device, specifically as absolute movements in space and / or as relative movement between two parts, in particular components, of the power tool, in particular between a grip area and a tool receiving area.
  • the sensor device in this case is, for example, a rotation rate sensor or an acceleration sensor for determining a relative movement between two parts of the handheld power tool.
  • a suitable sensor for example a force or displacement sensor, via which an axial adjusting movement or a movement thereof derived size of either the entire hand tool or an axial relative movement between two parts of the power tool can be determined.
  • the speed or the torque of the drive motor or of the tool can be set as a function of the angle of rotation with which the operator twists the handheld power tool about the longitudinal axis. This happens, for example, such that a greater rotation of the hand tool or a part of the power tool around the tool longitudinal axis has a higher speed result. Furthermore, it is possible to design the speed depending on the speed of the rotational movement performed by the operator.
  • the direction of rotation of the drive motor and thus of the power tool can be dependent on the direction of rotation, with which the operator twists the power tool or a part of the power tool about its longitudinal axis.
  • This can for example be analogous to a non-motorized hand screwdriver, which is rotated to tighten a screw by the operator in one direction and to loosen a screw in the other direction.
  • speed or torque with the same deflection behavior of the user depending on the direction of rotation for example, to provide a higher torque for screwing a screw than for unscrewing the screw.
  • a constant speed can be realized independently of the workload on the control or regulating device, provided that the user request generated by the operator via the hand tool machine movement does not change.
  • the speed can be kept constant, although less torque is required.
  • the speed can be kept largely constant even with a decrease in the supply voltage.
  • a speed gain can be realized by a slow rotation of the power tool leads to the tool longitudinal axis to a higher speed.
  • a torque shutdown can be realized, in which the power tool shuts off, if the screw is completely screwed.
  • a detection of a spin is possible. If the torque increases when screwing in a screw and then sinks again, it can be assumed that the screw hole has ruptured or a possibly existing dowel is turning. In a sudden cancellation of the torque can be closed on a destroyed, such as torn screw. In both cases, an error may be output, for example as a message on a display or via a warning lamp.
  • the change in torque can also be detected without a torque measurement by rotation rate change, since the user builds up a counter torque to the tool torque, which behaves sluggish with rapid torque changes. In addition, it can be concluded by direct current measurement or by the concurrently calculated model in an observer on the output torque.
  • a rattling of the tool can be determined, in particular by measuring the rate of rotation or a rotational acceleration.
  • chatter behavior indicates a slipping tool, e.g. on a worn screwdriver bit on a screw head or on a no longer properly recorded tool in the tool holder.
  • precisely one adjusting movement of at least one part of the hand-held power tool generated by the user is detected via the sensor device and used as the basis for the setting of the drive device.
  • the one adjusting movement relates in particular to a rotational movement of a part of the power tool, z. B. a grip area, relative to another part of the power tool, e.g. B. a tool receiving area, wherein the rotational movement is performed by the operator of the power tool.
  • a first adjusting movement is measured via a first sensor device and a second adjusting movement of at least one part of the handheld power tool, which is generated by the user, via a second sensor device.
  • Both actuating movements are used for the adjustment of the drive device.
  • the positioning movements can take place both in time and at the same time.
  • two translatory, two rotational or mixed translational-rotational movements can take place.
  • more than two actuating movements come into consideration, which are determined by sensors and the control or regulation of the power tool based on.
  • a first sensor device detects an axial movement as a first adjusting movement and a second sensor device detects a rotational movement as a second adjusting movement.
  • the axial movement of an axial movement of the power tool as a unit or a relative movement between a first part of the power tool, z. B. a tool receiving area, and a second part of the power tool, z. B. a handle area represent.
  • the axial movement as a relative movement between two parts of the power tool can also be an axial movement between a tool holder and a tool receiving area.
  • the rotational movement provides a rotational movement between a first part of the power tool, z. B. a tool receiving area, and a second part of the power tool, z. B. a handle area, is.
  • a grip region of the handheld power tool is rotatably mounted relative to a tool receiving region about the tool axis.
  • the tool receiving area is assigned a first sensor device, via which the movement of the tool receiving area can be determined.
  • the grip area is assigned a second sensor device, by means of which the angle of rotation of the grip area or a variable correlating with the angle of rotation can be detected.
  • a tool receiving area is understood to mean a housing area which comprises at least the tool receptacle and, if appropriate, additionally has one or more components of the drive train.
  • Different movements of the tool receiving area or the grip area are preferably determined via the two sensor devices.
  • the axial movement of the tool receiving area or a correlating with the axial movement size can be determined via the first sensor means, for example, temporal derivatives of the axial movement or resulting from the axial contact pressure between the held in the tool holding area tool and the workpiece to be machined or a fastener such as a screw. It is also possible to determine only the contact between the first sensor device and the workpiece to be machined or the fastening element, for example by electrical means by registering a change in the electric field or the capacitance.
  • the axial movement which can be detected via the first sensor device, may also relate to the relative displacement between the tool receiving region and the grip region.
  • the tool receiving area and the grip area are axially displaceable coupled to each other and preferably at the same time supported by a spring element in the axial direction, a pressing operation of the machine tool can also on the axial relative displacement be detected via a correlating size between tool receiving area and handle area.
  • an axial relative movement between the tool holder and the tool receiving area In this case, the tool holder is adjustably mounted in the tool receiving area.
  • the tool receiving area and the grip area basically execute mutually independent movements, which can be determined via the respective sensor devices.
  • the movement of the tool receiving region is preferably an axial movement in the direction of the tool axis, whereas, in the case of the movement of the grip region, it is expediently a rotational movement about the tool axis.
  • the rotational movement is determined via the angle of rotation or a variable correlating with the angle of rotation.
  • the rotational movement of the grip region may mean a relative rotational movement between the grip region and the tool receiving region; wherein the relative rotational movement can be determined via a measurement of the relative angle of rotation or a variable derived therefrom, for example the moment between the gripping area and the tool receiving area.
  • these two components are expediently resiliently supported in the direction of rotation.
  • connection between the grip area and the tool receiving area with the possibility of a relative movement preferably relates only to the respective housing parts in the handle or tool receiving area, but not the drive train itself, which includes the drive device, a gear and the tool holder for receiving the tool. In this case, there must also be a relative movement between the drive train and at least either the grip area or the tool receiving area.
  • the drive train is firmly connected to the tool receiving area, whereas the grip area can perform a relative rotational movement relative to the parts of the drive train received in the grip area.
  • the drive train is designed so that different parts of the drive train perform a relative movement to each other can.
  • the grip area and the tool receiving area can be fixedly connected to the respectively recorded parts of the drive train.
  • the adjusting movement is based on the generation of a manipulated variable for setting the drive device.
  • a method for operating a handheld power tool which is equipped with a grip area and a tool receiving area and associated sensor devices
  • a first step via the first sensor device, which is associated with the tool receiving area, pressing or contacting the tool on the workpiece or the Fastening detected, whereupon the drive device is set to start readiness.
  • the operator grips the grip area, wherein the rotation movement is detected relative to the tool receiving area via the second sensor device.
  • the drive device is then started, the rotational speed and / or the torque of the drive device and optionally also other determining variables, in particular the direction of rotation, being set as a function of the signals of the sensor device as a function of the determined measured values.
  • a screw can be attached to a workpiece and screwed.
  • the pressing of the cordless screwdriver on the screw and the workpiece is registered via the first sensor device. Since the resistance to rotation of the screw is still very low, because the screw rests only with its tip on the workpiece, the handle area and the tool receiving area do not rotate relative to each other when the operator pivots the cordless screwdriver on the handle area or rotated about the tool axis.
  • the second sensor device To start the screwing the cordless screwdriver on the handle area around the tool axis to the right - in the screwing - twisted, which is registered via the second sensor device.
  • the screw has already been partially screwed into a workpiece and the cordless screwdriver is now attached, again the contact between the tool in the tool receiving area and the screw is first registered via the first sensor device and the drive motor is set to start readiness.
  • the grip area will execute a relative rotational movement relative to the tool receiving area.
  • the resulting torque can be registered via the second sensor device.
  • the screwing process is now started automatically, whereby the speed and torque are adapted to the higher torsional resistance.
  • the hand tool 1 has a two-part housing 2, which comprises a front tool receiving area 3 and a rear grip area 4, wherein the grip area 4 is rotatable relative to the tool receiving area 3 about the tool or longitudinal axis.
  • a two-part housing 2 which comprises a front tool receiving area 3 and a rear grip area 4, wherein the grip area 4 is rotatable relative to the tool receiving area 3 about the tool or longitudinal axis.
  • at least one battery cell 21 and a drive device, in particular a battery-powered electric motor 23 is accommodated, which forms a drive train together with a gear 25 and a tool holder 3 arranged in the tool holder 5.
  • the tool holder 5 serves to receive an insert tool 6, for example a screwdriver bit.
  • the maximum relative rotational angle between the tool receiving area 3 and the grip area 4 is preferably only a few degrees, for example at most plus / minus 10 ° or plus / minus 20 °, based on an initial or neutral position.
  • a spring element 27 which exerts a spring moment in the direction of rotation.
  • the spring torque keeps the grip area 4 in relation to the tool receiving area 3 in the initial or neutral position, as far as there are no forces or moments acting on the hand tool machine from the outside.
  • the relative rotational movement between the tool receiving area 3 and handle area 4 takes place in Transition region 7 between these two components instead.
  • the spring element 27 is suitably arranged in the transition region 7.
  • a first sensor device 8 is arranged, via which a first adjusting movement, in this case an axial movement of the tool receiving area 3 or a variable derived therefrom, can be determined.
  • a first adjusting movement in this case an axial movement of the tool receiving area 3 or a variable derived therefrom, can be determined.
  • the contact force acts in the direction of the tool axis 11.
  • a second sensor device 9 via which a second adjusting movement, here the relative angle of rotation of the grip area 4 relative to the tool receiving area 3, can be determined. If appropriate, an absolute rotation of the handheld power tool 1 in the room can additionally or alternatively also be detected via the second sensor device 9.
  • the second sensor device 9 is designed as a rotation rate sensor.
  • a main switch 10 is provided, via which the power tool is switched on or off.
  • the main switch 10 is used to activate and deactivate electronic components (not shown) of the power tool 1, z. B. the sensor devices 8, 9. With the help of the main switch 10, the power tool 1 is put into ready to start altogether.
  • the activation of the main switch 10 does not yet start the electric motor 23.
  • the main switch 10 is thus not the activation and deactivation of the electric motor 23 or the setting of the direction of rotation of the electric motor 23 and thus the tool holder 5 (right / left rotation). If the main switch 10 is deactivated, the electric motor can not be started and the handheld power tool 1 as a whole can not be operated.
  • the main switch 10 may be configured as a manually operable switch in a simple embodiment.
  • the contact between the insertion tool 6 and the workpiece or the fastening element is determined via the first sensor device 8, which leads to the activation of the second sensor device 9 or to the displacement of the drive device into starting readiness.
  • the sensor device 9 in the grip region 4 is calibrated to the neutral or initial position and can detect deflections of the grip region 4 from the neutral position in both directions. This makes it possible to automatically control the direction of rotation of the drive device as a function of an adjusting movement of the grip area 4 by the operator.
  • the direction of rotation of the drive device thus results from the direction in which the grip area 4 is rotated by the operator.
  • This has the advantage that the operator can adjust the direction of rotation of the drive device without having to actuate a direction-of-rotation switch on the handheld power tool.
  • This also has the advantage that the operator can intuitively adjust the direction of rotation of the drive device analogous to the handling of a non-motorized manual screwdriver.
  • the height of the twisting steering is determined, which is used to control the rotational speed or torque of the drive device.
  • the hand tool 1 according to the embodiment according to Fig. 3 has only a different geometry of the housing 2 compared to the first embodiment.
  • the grip area 4 is as in the first embodiment according to the Fig. 1 and 2 mounted rotatably relative to the tool receiving area 3 about the tool axis 11.
  • the grip region 4 has a motor receiving part 4 a, which is made approximately cylindrical and whose axis coincides with the tool axis 11.
  • the handle region 4 includes a handle 4b, which extends substantially orthogonal to the motor receiving part 4a and on which the main switch 10 is arranged.
  • the relative rotational movement of the grip area 4 about the tool axis 11 with respect to the tool receiving area 3, which is provided with the first sensor device 8, is registered via the second sensor device 9.
  • the first sensor device 8 serves to detect an axial contact force of the tool 6 against a workpiece or a fastening element.
  • FIG. 4 is a system image of a designed as a cordless power tool hand tool with the various components shown symbolically shown.
  • the hand tool 1 has a drive device 12, which comprises an electric drive motor and a transmission associated with the motor.
  • a tool shaft 13 is driven for receiving a tool of the power tool.
  • the electric motor of the drive device 12 is acted upon by a power electronics 14 with a control voltage, wherein the power electronics 14 is associated with a control or control device 15 for generating a manipulated variable.
  • the regulating or control device 15 receives sensor-determined data from sensor devices 8 and 9 as input signals, wherein the sensor device 8 is an encoder for determining the rotational speed of the tool shaft 13 and the second sensor device 9 is a rotation rate sensor for determining the rotational movement the hand tool machine in the room is trading.
  • the first sensor device 8 the current operating state of the power tool can be determined, in particular the fact whether the power tool is turned on and the tool shaft rotates or stands still.
  • a spatial adjustment movement can be determined, which exerts a user on the power tool.
  • two acceleration sensors can also be used (not shown).
  • the acceleration sensors are arranged in a plane perpendicular to the tool axis, wherein the two acceleration sensors face each other at the same distance from the tool axis.
  • control or control device 15 can also be supplied with power measured by the power electronics 14 as an input variable.
  • a manipulated variable is determined in the regulating or control device 15, which is supplied as set value of the power electronics 14 in order to generate the desired value of the voltage with which the electric motor of the drive device 12 is acted upon.
  • the power electronics 14 is associated with a battery 17 for power.
  • a switch signal of a switch 16 are supplied as an input value, wherein the switch signal is the current state represents a / from the power tool. If appropriate, this signal can also be supplied to the regulating or control device 15.
  • one size or several variables can also be determined via an observer model. This applies, for example, to the current value in the power electronics 14, which is optionally supplied as an input variable to the regulating or control device 15.
  • the non-inventive hand tool 1 is the shape and type of trained as a rod wrench and has a housing 2, which includes a front tool receiving area 3 and a rear grip area 4.
  • a housing 2 which includes a front tool receiving area 3 and a rear grip area 4.
  • at least one battery cell 21 and a drive device, in particular a battery-powered electric motor 23 is accommodated, which forms a drive train together with a gear 25 and a tool holder 3 arranged in the tool holder 5.
  • the tool holder 5 serves to receive an insert tool 6, for example a screwdriver bit.
  • the tool receiving portion 3 and the grip portion 4 in the embodiment are as shown in FIG FIGS. 5 and 6 not rotatably mounted to each other.
  • the housing 2 is rigid in the transition region between the tool receiving area 3 and handle area 4, in particular in one piece.
  • a sensor device 8 is arranged, via which an axial movement of the tool holder 5 relative to the hand tool or a variable derived therefrom can be determined.
  • the contact force acts in the direction of the tool axis 11.
  • a second sensor device 9 In the grip area 4 is a second sensor device 9, is detected by the direction of rotation, angle of rotation and / or rotational speed of the power tool 1 as a unit in the room.
  • the determined sensor values can be in space both absolutely, for example with respect to the direction of gravitational acceleration, and relative to a previous state; in the latter case For example, this is the rotation rate.
  • the second sensor device 9 is designed as a rotation rate sensor.
  • a main switch 10 is provided, via which the power tool is switched on or off.
  • the function of the main switch 10 substantially corresponds to the function of the main switch of the embodiment according to Fig. 1 and 2 ,
  • the contact between the tool 6 and the workpiece or the fastener is detected, which leads to the activation of the second sensor device 9 and for putting the drive device in start readiness.
  • the sensor device 9 in the grip region 4 can be calibrated to the neutral or initial position, for example, at the time of shifting into starting readiness and can detect deflections of the grip region 4 from the neutral position in both directions. This makes it possible to automatically control the direction of rotation of the drive device as a function of an adjusting movement of the grip region 4, and thus of the handheld power tool 1 as a whole, by the operator. Furthermore, the determination of the rate of rotation and / or the angle of rotation of the power tool 1 in space, the control of speed or torque of the drive device is made.
  • FIG. 6 can also be a geometry of the housing 2 according to Fig. 3 respectively.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)

Claims (23)

  1. Machine-outil portative, notamment perceuse, marteau-perforateur ou visseuse, comprenant un dispositif d'entraînement (12) disposé dans un boîtier (2) et servant à entraîner un outil (6) accueilli dans une zone d'accueil d'outil (3), la machine-outil portative (1) possédant un dispositif de détection (8, 9) par le biais duquel peut être déterminé un mouvement de commande généré par l'utilisateur d'au moins une partie de la machine-outil portative (1), et une grandeur de commande destinée à régler le dispositif d'entraînement (12) pouvant être générée à partir du mouvement de commande déterminé dans un dispositif de régulation et de contrôle (15) dans la machine-outil portative (1), le sens de rotation du dispositif d'entraînement (12) pouvant être réglé avec la grandeur de commande générée par le dispositif de régulation et de contrôle (15), le mouvement de commande généré par un utilisateur étant un mouvement de rotation autour de l'axe longitudinal d'outil (11), caractérisée en ce que le mouvement de commande généré par un utilisateur est une rotation relative entre une première partie et une deuxième partie de la machine-outil portative (1).
  2. Machine-outil portative selon la revendication 1, caractérisée en ce que le mouvement de commande généré par un utilisateur est une rotation relative entre une zone de poignée (4) et une zone d'accueil d'outil (3).
  3. Machine-outil portative selon la revendication 1, caractérisée en ce que le mouvement de commande généré par un utilisateur est un mouvement de rotation de la zone de poignée (4).
  4. Machine-outil portative selon l'une des revendications précédentes, caractérisée en ce que le dispositif de détection (8, 9) comprend un détecteur de vitesse de rotation destiné à déterminer un mouvement de rotation ou une grandeur qui y est corrélée d'au moins une partie de la machine-outil portative (1) autour de l'axe longitudinal d'outil.
  5. Machine-outil portative selon l'une des revendications précédentes, caractérisée en ce que le dispositif de détection (8, 9) comprend un détecteur d'accélération destiné à déterminer un mouvement de rotation ou une grandeur qui y est corrélée d'au moins une partie de la machine-outil portative (1) autour de l'axe longitudinal d'outil.
  6. Machine-outil portative selon l'une des revendications 1 à 4, caractérisée en ce que le sens de rotation du mouvement de rotation peut être déterminé à l'aide du dispositif de détection (8, 9).
  7. Machine-outil portative selon l'une des revendications 1 à 5, caractérisée en ce que l'angle de rotation, le taux de rotation et/ou le couple du mouvement de rotation peut être déterminé à l'aide du dispositif de détection (8, 9).
  8. Machine-outil portative selon l'une des revendications précédentes, caractérisée en ce que l'angle de rotation relatif ou le couple entre la zone d'accueil d'outil (3) et la zone de poignée (4) peut être déterminé à l'aide du dispositif de détection (9).
  9. Machine-outil portative selon l'une des revendications précédentes, caractérisée en ce que l'angle de rotation absolu de la zone de poignée (4) dans l'espace peut être déterminé à l'aide du dispositif de détection (9).
  10. Machine-outil portative selon l'une des revendications précédentes, caractérisée en ce que la vitesse de rotation et/ou le couple du dispositif d'entraînement (12) peuvent être réglés avec la grandeur de commande générée par le dispositif de régulation et de contrôle (15).
  11. Machine-outil portative selon l'une des revendications précédentes, caractérisée en ce que le mouvement de commande généré par un utilisateur est en outre un mouvement axial.
  12. Machine-outil portative selon la revendication 11, caractérisée en ce que le mouvement axial est un mouvement relatif entre une première partie et une deuxième partie de la machine-outil portative (1).
  13. Machine-outil portative selon l'une des revendications 11 ou 12, caractérisée en ce que le mouvement axial est un mouvement relatif entre la zone d'accueil d'outil (3) et une zone de poignée (4).
  14. Machine-outil portative selon l'une des revendications 11 ou 12, caractérisée en ce que le mouvement axial est un mouvement relatif entre un porte-outil et la zone d'accueil d'outil (3).
  15. Machine-outil portative selon l'une des revendications précédentes, caractérisée en ce que le mouvement axial de la zone d'accueil d'outil (3) ou une grandeur en corrélation avec le mouvement axial peut être déterminé à l'aide du dispositif de détection (8).
  16. Machine-outil portative selon l'une des revendications précédentes, caractérisée en ce que la force de pressage axiale de la zone d'accueil d'outil (3) peut être déterminée à l'aide du dispositif de détection (8).
  17. Machine-outil portative selon l'une des revendications précédentes, caractérisée en ce que le contact entre un outil (6) et une pièce à usiner ou un élément de fixation peut être déterminé à l'aide du dispositif de détection (8).
  18. Machine-outil portative selon l'une des revendications précédentes, caractérisée en ce qu'un premier mouvement de commande généré par un utilisateur peut être déterminé à l'aide d'un premier dispositif de détection (8) et un deuxième mouvement de commande généré par un utilisateur peut être déterminé à l'aide d'un deuxième dispositif de détection (9).
  19. Machine-outil portative selon l'une des revendications précédentes, caractérisée en ce que la machine-outil portative (1) possède une zone de poignée (4) et une zone d'accueil d'outil (3), en ce que le mouvement de la zone d'accueil d'outil (3) peut être déterminé par le biais d'un premier dispositif de détection (8) et le mouvement de la zone de poignée (4) par le biais d'un deuxième dispositif de détection (9).
  20. Machine-outil portative selon la revendication 19, caractérisée en ce que la zone de poignée (4) est positionnable par rapport à la zone d'accueil d'outil (3), notamment montée rotative autour de l'axe d'outil (11).
  21. Machine-outil portative selon les revendications 18 à 20, caractérisée en ce que l'angle de rotation ou une grandeur en corrélation avec l'angle de rotation de la zone de poignée (4) peut être déterminé à l'aide du deuxième dispositif de détection (9) .
  22. Procédé pour faire fonctionner une machine-outil portative selon l'une des revendications 1 à 21, selon lequel un mouvement de commande généré par l'utilisateur d'au moins une partie de la machine-outil portative (1) est déterminé par détection et le mouvement de commande sert de base à la génération d'une grandeur de commande destinée à commander le dispositif d'entraînement (12).
  23. Procédé selon la revendication 22, selon lequel le pressage ou la mise en contact de l'outil (6) sur la pièce ou un élément de fixation est initialement détecté par un dispositif de détection et le dispositif d'entraînement (12) est amené en position prête au démarrage, selon lequel la zone de poignée (4) est ensuite tournée et le mouvement de rotation est détecté par un dispositif de détection, après quoi le dispositif d'entraînement (12) est démarré et la vitesse de rotation et/ou le couple du dispositif d'entraînement (12) est réglé en fonction des signaux du premier et/ou du deuxième dispositif de détection (8, 9).
EP15193818.0A 2011-02-18 2012-02-14 Machine-outil manuelle, notamment visseuse sans fil Active EP3023198B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102011004364A DE102011004364A1 (de) 2011-02-18 2011-02-18 Handwerkzeugmaschine, insbesondere Akkuschrauber
PCT/EP2012/052467 WO2012110485A1 (fr) 2011-02-18 2012-02-14 Machine-outil à main, en particulier visseuse à accumulateur
EP12704764.5A EP2675592B1 (fr) 2011-02-18 2012-02-14 Machine-outil à main, en particulier visseuse à accumulateur

Related Parent Applications (2)

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EP12704764.5A Division-Into EP2675592B1 (fr) 2011-02-18 2012-02-14 Machine-outil à main, en particulier visseuse à accumulateur
EP12704764.5A Division EP2675592B1 (fr) 2011-02-18 2012-02-14 Machine-outil à main, en particulier visseuse à accumulateur

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EP3023198B1 true EP3023198B1 (fr) 2019-04-24

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EP2675592B1 (fr) 2016-02-10
US9878427B2 (en) 2018-01-30
DE102011004364A1 (de) 2012-08-23
US20140048298A1 (en) 2014-02-20
EP2675592A1 (fr) 2013-12-25
WO2012110485A1 (fr) 2012-08-23
EP3023198A1 (fr) 2016-05-25

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