EP2890524B1 - Machine tool system - Google Patents
Machine tool system Download PDFInfo
- Publication number
- EP2890524B1 EP2890524B1 EP13750025.2A EP13750025A EP2890524B1 EP 2890524 B1 EP2890524 B1 EP 2890524B1 EP 13750025 A EP13750025 A EP 13750025A EP 2890524 B1 EP2890524 B1 EP 2890524B1
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- EP
- European Patent Office
- Prior art keywords
- unit
- longitudinal axis
- gear
- motor
- motor unit
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- 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.)
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- 230000008878 coupling Effects 0.000 claims description 31
- 238000010168 coupling process Methods 0.000 claims description 31
- 238000005859 coupling reaction Methods 0.000 claims description 31
- 238000003754 machining Methods 0.000 description 8
- 239000000463 material Substances 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 230000003993 interaction Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000000284 resting effect Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25F—COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR
- B25F5/00—Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
- B25F5/001—Gearings, speed selectors, clutches or the like specially adapted for rotary tools
Definitions
- Machine tools in particular portable machine tools, are already known which have a coupling device for coupling a machine tool parting device comprising a cutting strand and a guide unit, a gear unit and a motor unit to a drive of the power tool parting device in a state arranged on the coupling device.
- the invention is based on a machine tool system having a power-tool parting device, with at least one coupling device for coupling a machine tool parting device comprising at least one cutting strand and at least one guide unit, with at least one gear unit and with at least one motor unit to drive the power-tool parting device in one on the Coupling device arranged state.
- the gear unit is designed as a multi-stage angle gear, which comprises at least one output shaft which has an output axis arranged at 90 ° relative to a motor unit longitudinal axis of the motor unit.
- a "cutting strand” is to be understood here as meaning, in particular, a unit which is intended to locally neutralize an atomic cohesion of a workpiece to be machined, in particular by means of a mechanical severing and / or by means of a mechanical removal of material particles of the workpiece.
- the cutting strand is intended to to separate the workpiece into at least two physically separate parts and / or at least partially separate material particles of the workpiece from a surface of the workpiece and / or remove.
- Particularly advantageous cutting gaps can be produced with small dimensions by the cutting strand, viewed along the at least substantially perpendicular to the cutting plane of the cutting strand direction, has a maximum dimension between 1.3 mm to 2.2 mm.
- the cutting strand is circumferentially moved in at least one operating state, in particular along a circumference of the guide unit.
- a "guide unit” is to be understood here in particular as a unit which is provided to exert a constraining force on the cutting strand at least along a direction perpendicular to a cutting direction of the cutting strand, in order to predetermine a possibility of movement of the cutting strand along the cutting direction.
- "intended” should be understood to mean in particular specially designed and / or specially equipped.
- the guide unit has at least one guide element, in particular a guide groove, through which the cutting strand is guided.
- the cutting strand viewed in a cutting plane, guided along an entire circumference of the guide unit by the guide unit by means of the guide element, in particular the guide groove.
- the guide unit together with the assembled cutting strand, viewed along a direction at least substantially parallel to the cutting plane of the cutting strand and at least substantially perpendicular to a main extension direction of the guide unit, a maximum dimension smaller than 50 mm.
- cutting plane should in particular define a plane in which the cutting strand is moved in at least one operating state along a circumference of the guide unit in at least two mutually oppositely directed cutting directions relative to the guide unit.
- the cutting plane is aligned at least substantially transversely to a machined workpiece surface when machining a workpiece.
- at least essentially transversal is to be understood here as meaning, in particular, an alignment of a plane and / or a direction relative to a further plane and / or a further direction, preferably from a parallel orientation of the plane and / or the direction relative to the other Level and / or the other direction deviates.
- the Cutting plane is aligned at a machining of a workpiece at least substantially parallel to a machined workpiece surface, in particular in an embodiment of the cutting strand as abrasive, etc.
- at least substantially parallel is intended in particular an orientation of a direction relative to a reference direction, in particular in a plane to be understood, wherein the direction relative to the reference direction has a deviation in particular less than 8 °, advantageously less than 5 ° and particularly advantageously less than 2 °.
- a "cutting direction” is to be understood here as meaning, in particular, a direction along which the cutting strand is used to produce a cutting gap and / or for separating and / or removing material particles of a workpiece to be machined in at least one operating state as a result of a drive force and / or a drive torque, especially in the guide unit, is moved.
- the cutting strand is moved in an operating state along the cutting direction relative to the guide unit.
- the guide unit and the cutting strand together form a closed system.
- the term "closed system” is intended to define a system comprising at least two components that retain functionality and / or disassemble functionality by interacting in a disassembled state of the system from a higher-level system such as a machine tool State are permanently connected to each other.
- the at least two components of the closed system are at least substantially inseparably connected with each other for an operator.
- at least substantially insoluble should be understood in particular a connection of at least two components, which only with the aid of separation tools, such as a saw, in particular a mechanical saw, etc., and / or chemical release agents, such as solvents, etc. , are separable from each other.
- the machine tool is designed as a portable machine tool.
- a "portable machine tool” is to be understood here in particular as meaning a machine tool, in particular a hand tool machine, which can be transported without transport machine by an operator.
- the portable power tool has a mass that is less than 40 kg, preferably less than 10 kg, and particularly preferred less than 5 kg.
- the term "motor unit” should in particular define a unit which is provided to generate forces and / or torques for driving the cutting strand.
- thermal energy, chemical energy and / or electrical energy is converted into kinetic energy for generating forces and / or torques by means of the motor unit.
- the motor unit is formed directly and / or indirectly coupled to the cutting strand.
- the motor unit comprises at least one stator and at least one rotor, which has at least one armature shaft.
- the motor unit is designed in particular as an electric motor unit.
- a "motor unit longitudinal axis" is to be understood here in particular as an axis of the motor unit which extends at least substantially coaxially to a rotational axis of a drive shaft of the motor unit, in particular an armature shaft of the motor unit.
- the motor unit has a maximum dimension along the motor unit longitudinal axis.
- the angular gear can be designed, for example, as a bevel gear, as a worm gear, as a crown gear and / or as another angle gear type that appears meaningful to a person skilled in the art.
- the motor unit for transmitting forces and / or torques for driving the cutting strand is coupled by means of the angular gear with the cutting strand.
- the angle gear has at least the output shaft for driving the cutting strand, which is non-rotatably connected to a gear of the gear unit, such as a ring gear, a worm wheel and / or a crown wheel, etc., rotatably.
- the output shaft is rotatably connected by means of a positive and / or non-positive connection with the gear of the angular gear.
- the output shaft is formed integrally with the gear.
- the output shaft is formed by a different shaft to the drive shaft of the motor unit.
- the gear unit is designed as a two-stage angular gear.
- the gear unit is designed as an angle gear, which has more than two gear stages.
- the motor unit longitudinal axis of the motor unit and the output shaft of the output shaft are arranged in an assembled state at least substantially in a common plane.
- "Arranged at least substantially in a common plane” is to be understood here as meaning, in particular, an arrangement of the motor unit longitudinal axis and the output axis, so that the motor unit longitudinal axis and the output axis have a distance of less than 15 mm, preferably less than 10 mm, and particularly preferably in at least one area less than 5 mm and intersect in particular at least one point.
- the engine unit longitudinal axis and the output axis clamp the common plane. It can be advantageously achieved a compact machine tool.
- the machine tool comprises at least one support unit, which has at least one bearing surface to a support on a workpiece, to which the common plane extends at least substantially parallel.
- a “support unit” is to be understood here in particular as a unit which rests on the workpiece during machining of a workpiece by means of the machine tool, with proper handling of the machine tool, in particular with the support surface of the support unit, and which is provided for this purpose during machining of the workpiece to support the workpiece.
- the support unit is designed as a sliding block and / or as a base plate.
- the machine tool slides during a machining of the workpiece by means of the support unit, in particular with the support surface of the support unit, on a surface of the workpiece to be machined.
- a staggered arrangement of the coupling device relative to the motor unit longitudinal axis for example, to achieve a central arrangement of the motor unit in a machine tool housing of the machine tool and a laterally staggered arrangement of the coupling device.
- the motor unit longitudinal axis of the motor unit and the output shaft of the output shaft in an assembled state extend at least substantially perpendicular to one another.
- 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, especially when viewed in a plane, enclose an angle of 90 ° and the angle has a maximum deviation of in particular less than 8 °, advantageously less than 5 ° and particularly advantageously less than 2 °.
- the motor unit longitudinal axis of the motor unit and the output shaft of the output shaft, viewed in a projection plane extend at least substantially perpendicular to one another. It can be advantageously achieved a compact machine tool.
- the gear unit is designed as a multi-stage spur gear and / or as a multi-stage bevel gear. As a result, a large transmission ratio and / or a large reduction ratio can be achieved particularly advantageously.
- the output shaft of the output shaft along an at least substantially perpendicular to the motor unit longitudinal axis of the motor unit extending direction, is arranged offset relative to the motor unit longitudinal axis of the motor unit.
- 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 in one plane, including an angle of 90 ° and the angle a maximum deviation of, in particular, less than 8 °, advantageously less than 5 ° and particularly advantageously less than 2 °.
- a small unused length of the power tool separating device can be achieved, since the coupling device can advantageously be arranged close to an edge region of the power tool housing.
- the invention is based on a machine tool system having at least one machine tool separating device which comprises at least one cutting strand and at least one guide unit which forms a closed system at least together with the cutting strand, and with at least one machine tool according to the invention.
- the motor unit longitudinal axis of the motor unit runs at least substantially perpendicular to a longitudinal axis of the guide unit.
- the term "longitudinal axis" should in particular define an axis along which a component, in particular the guide unit, has a maximum dimension.
- the longitudinal axis is preferably at least substantially parallel to two straight lines of an outer contour of the guide unit.
- the machine tool has at least the support unit for resting on a workpiece, through which the longitudinal axis of the guide unit extends in an assembled state at least substantially perpendicularly at least to a support surface of the support unit.
- guidance of the portable power tool during machining of a workpiece can be achieved.
- a high level of operating comfort for an operator when machining a workpiece by means of the portable machine tool can advantageously be achieved.
- the motor unit longitudinal axis of the motor unit is arranged in a plane and the longitudinal axis of the guide unit is arranged in a mounted state of the guide unit in a further plane which extends at least substantially parallel to the plane. It can be achieved structurally simple a laterally offset arrangement of the coupling device relative to the motor unit longitudinal axis.
- the output shaft of the output shaft viewed along the longitudinal axis of the guide unit, is arranged offset relative to the motor unit longitudinal axis of the motor unit. It can be advantageously achieved a free space to an advantageous encompassing the machine tool housing.
- the machine tool system according to the invention should not be limited to the application and embodiment described above.
- the machine tool system according to the invention may have a different number from a number of individual elements, components and units mentioned herein for fulfilling a mode of operation described herein.
- FIG. 1 shows a machine tool system 36a with a machine tool 10a and with a machine tool separator 18a.
- the machine tool 10a is designed as a portable machine tool.
- the machine tool 10a comprises at least one coupling device 12a for coupling the at least one cutting strand 14a and at least one guide unit 16a comprising a machine tool separating device 18a, at least one gear unit 20a and at least one motor unit 22a for driving the power-tool parting device 18a in a state arranged on the coupling device 12a.
- the coupling device 12a is provided for coupling the machine tool separating device 18a to the machine tool 10a in a form-fitting and / or non-positive manner.
- the coupling device 12a can be designed as a bayonet closure and / or as another coupling device that appears meaningful to a person skilled in the art.
- the machine tool 10a has a machine tool housing 40a, which encloses the motor unit 22a and the gear unit 20a of the machine tool 10a and supports bearing forces of the motor unit 22a and the gear unit 20a.
- the motor unit longitudinal axis 26a of the motor unit 22a and the output shaft 28a of the output shaft 24a are arranged in an assembled state at least substantially in a common plane 30a.
- the motor unit 22a and the gear unit 20a are operatively connected together in a manner already known to a person skilled in the art in order to generate a drive torque which can be transmitted to the power-tool parting device 18a.
- the gear unit 20a is designed as a multi-stage angle gear, which comprises at least one output shaft 24a, which has an output shaft 28a arranged at 90 ° relative to a motor unit longitudinal axis 26a of the motor unit 22a.
- the gear unit 20a is designed as a multi-stage spur gear and / or as a multi-stage bevel gear.
- the motor unit 22a is designed as an electric motor unit.
- the motor unit longitudinal axis 26a of the motor unit 22a is formed as a rotation axis of an armature shaft 54a of the motor unit 22a.
- the motor unit 22a is provided to drive the cutting strand 14a of the power-tool parting device 18a via the gear unit 20a.
- the cutting strand 14a and the guide unit 16a of the power tool separating device 18a together form a closed system.
- the cutting strand 14a is guided by the guide unit 16a.
- the guide unit 16a at least one guide groove (not shown here).
- the cutting strand 14a is bounded by the guide groove border areas guided the guide unit 16a.
- the guide unit 16a it is also conceivable for the guide unit 16a to have another element which appears expedient to a person skilled in the art for guiding the cutting strand 14a, for example an element designed as a rib-like formation on the guide unit 16a which engages in a recess on the cutting strand 14a.
- the cutting strand 14a is circumferentially moved during operation along a circumference of the guide unit 16a in the guide groove.
- the cutting strand 14a is formed as a cutting chain.
- the cutting strand 14a comprises a plurality of interconnected cutting strand segments 42a, 44a.
- a driven element 46a designed as a gear engages (FIG. FIG. 2 ) of the gear unit 20a into the guide unit 16a.
- the output element 46a is temporarily in engagement with the cutting strand segments 42a, 44a of the cutting strand 14a in order to drive the cutting strand 14a.
- the output element 46a is non-rotatably fixed by means of a positive and / or non-positive connection on the output shaft 24a of the gear unit 20a.
- the output element 46a is formed integrally with the output shaft 24a.
- the machine tool 10a comprises at least one support unit 32a, which has at least one bearing surface 34a to rest on a workpiece, to which the common plane 30a extends at least substantially parallel.
- the support unit 32a is fixed to the machine tool housing 40a on a side of the support unit 32a facing away from the support surface 34a.
- a longitudinal axis 38a of the guide unit 16a extends, in a state of the power-tool parting device 18a arranged at the coupling device 12a, at least substantially perpendicularly at least to the support surface 34a of the support unit 32a through a recess of the support unit 32a through the support surface 34a.
- the power-tool parting device 18a protrudes beyond the support surface 34a on a side of the support unit 32a facing away from the machine tool housing 40a for machining workpieces by means of the cutting strand 14a.
- the machine tool 10a at least the support unit 32a for resting on a workpiece through which the longitudinal axis 38a of the guide unit 16a extends in an assembled state at least substantially perpendicular at least to the support surface 34a of the support unit 32a therethrough. Further runs the motor unit longitudinal axis 26a of the motor unit 22a in an assembled state at least substantially perpendicular to the longitudinal axis 38a of the guide unit 16a.
- FIG. 2 shows an arrangement of the motor unit 22a and the gear unit 20a relative to each other.
- the motor unit longitudinal axis 26a of the motor unit 22a and the output shaft 28a of the output shaft 24a extend in an assembled state at least substantially perpendicular to one another.
- the output element 46a is offset along an at least substantially perpendicular to the motor unit longitudinal axis 26a of the motor unit 22a direction relative to the motor unit longitudinal axis 26a of the motor unit 22a.
- the direction extending at least substantially perpendicular to the motor unit longitudinal axis 26a of the motor unit 22a extends at least substantially parallel to the support surface 34a.
- the output element 46a viewed along the output shaft 28a of the output shaft 24a, laterally offset from the motor unit longitudinal axis 26a of the motor unit 22a.
- the output element 46a or an output point of the output element 46a to be arranged at an intersection of the motor unit longitudinal axis 26a of the motor unit 22a and the output axis 28a of the output shaft 24a.
- a central arrangement of the output element 46a could be realized.
- the gear unit 20a comprises a first gear stage, which is formed by at least one spur gear 48a of the gear unit 20a.
- the spur gear 48a is rotatably connected to a spur gear shaft 50a of the gear unit 20a.
- the spur gear shaft 50a has an axis of rotation 52a that extends at least substantially parallel to the motor unit longitudinal axis 26a of the motor unit 22a.
- a rotationally fixed on the armature shaft 54a of the motor unit 22a drive element 56a meshes with the spur gear 48a.
- the drive element 56a is designed as a drive pinion.
- a bevel gear 58a of the gear unit 20a is fixed in a rotationally fixed manner on one end of the spur gear shaft 50a facing away from the motor unit 22a.
- the spur gear 48a, the spur gear shaft 50a and the bevel gear 58a constitute the first gear stage.
- the bevel gear 58a meshes here with another bevel gear 60a of the gear unit 20a.
- the further bevel gear 60a is rotatably mounted on the output shaft 24a.
- the output shaft 24a extends, at least in a projection plane, into which the rotation axis 52a of the spur gear shaft 50a and the output shaft 28a of the output shaft 24a are projected, at least substantially perpendicular to the rotation axis 52a of the spur gear shaft 50a.
- the output shaft 28a of the output shaft 24a and the rotational axis 52a of the spur gear shaft 50a are also disposed in the common plane 30a.
- the rotational axis 52a of the spur gear shaft 50a is arranged in a plane different from the common plane 30a.
- the further bevel gear 60a, the output shaft 24a and the output member 46a form the second gear stage of the gear unit 20a.
- the cutting string 14a is driven in a state arranged on the coupling device 12a by means of an interaction of the first gear stage and the second gear stage of the gear unit 20a via the motor unit 22a.
- the gear unit 20a has further gear stages.
- FIGS. 3 and 4 an alternative embodiment is shown. Substantially identical components, features and functions are basically numbered by the same reference numerals. To distinguish the embodiments, the reference numerals of the embodiments, the letters a and b are added. The following description is essentially limited to the differences from that in the Figures 1 and 2 described in the first embodiment, with respect to the same components, features and functions on the description of the first embodiment in the Figures 1 and 2 can be referenced.
- FIG. 10 shows a machine tool system 36b having a machine tool 10b and a machine tool separator 18b.
- the machine tool 10b is designed as a portable machine tool.
- the machine tool 10a comprises at least one coupling device 12b for coupling the at least one cutting strand 14b and at least one guide unit 16b comprising a machine tool separating device 18b, at least one gear unit 20b and at least one motor unit 22b to a drive of the power tool separating device 18b in a state arranged on the coupling device 12b.
- the coupling device 12b is provided for coupling the machine tool separating device 18b to the machine tool 10b in a positive-locking and / or force-locking manner.
- the coupling device 12b can be designed as a bayonet closure and / or as another coupling device that appears meaningful to a person skilled in the art.
- the machine tool 10b has a machine tool housing 40b, which encloses the motor unit 22b and the gear unit 20b of the machine tool 10b and supports bearing forces of the motor unit 22b and the gear unit 20b.
- the motor unit longitudinal axis 26b of the motor unit 22b and the output shaft 28b of the output shaft 24b extend in an assembled state when viewed in a projection plane in which the motor unit longitudinal axis 26b and the output shaft 28b are projected, at least substantially perpendicular to each other.
- the gear unit 20b is designed as a multi-stage angle gear, which comprises at least one output shaft 24b, which has an output shaft 28b arranged at 90 ° relative to a motor unit longitudinal axis 26b of the motor unit 22b.
- the gear unit 20b is designed as a multi-stage spur gear and / or as a multi-stage bevel gear.
- the motor unit 22b is designed as an electric motor unit.
- the motor unit longitudinal axis 26b of the motor unit 22b is formed as a rotation axis of an armature shaft 54b of the motor unit 22b.
- the motor unit 22a and / or the gear unit 20b it is also conceivable for the motor unit 22a and / or the gear unit 20b to have / has another design that appears appropriate to a person skilled in the art.
- the motor unit 22b is designed to drive the cutting strand 14b of the power-tool parting device 18b via the gear unit 20b.
- FIG. 4 shows an arrangement of the motor unit 22b and the gear unit 20b relative to each other.
- the motor unit longitudinal axis 26b of the motor unit 22b is arranged in a plane 30b
- the longitudinal axis 38b of the guide unit 16b is arranged in a mounted state of the guide unit 16b in a further plane 66b which extends at least substantially parallel to the plane 30b.
- the machine tool 10b comprises at least one support unit 32b, which has at least one support surface 34b for support on a workpiece, to which the plane 30b and the further plane 66b respectively extend at least substantially vertically.
- the motor unit longitudinal axis 26b of the motor unit 22b extends in an assembled state at least substantially perpendicular to the longitudinal axis 38a of the guide unit 16b.
- the output shaft 28b of the output shaft 24b is arranged offset along a direction at least substantially perpendicular to the motor unit longitudinal axis 26b of the motor unit 22b relative to the motor unit longitudinal axis 26b of the motor unit 22b.
- the output shaft 28b of the output shaft 24b viewed along the longitudinal axis 38b of the guide unit 16b, is arranged offset relative to the motor unit longitudinal axis 26b of the motor unit 22b.
- the runs Output shaft 28b of the output shaft 24b at least substantially perpendicular to the common plane 30b.
- the gear unit 20b comprises a first gear stage, which is formed by at least one bevel gear 58b of the gear unit 20b.
- the bevel gear 58b is non-rotatably connected to a bevel gear shaft 62b of the gear unit 20b.
- the bevel gear shaft 62b has a rotation axis 52b that extends at least substantially perpendicular to the motor unit longitudinal axis 26b of the motor unit 22b.
- a rotationally fixed on the armature shaft 54b of the motor unit 22b fixed drive element 56b meshes with the bevel gear 58b.
- the drive element 56b is designed as a drive pinion.
- a spur gear 48b of the gear unit 20b is fixed against rotation on the bevel gear shaft 62b.
- the bevel gear 58b, the bevel gear shaft 62b and the spur gear 48b constitute the first gear stage.
- the spur gear 48b meshes with another spur gear 64b of the gear unit 20b.
- the further spur gear 64b is rotatably mounted on the output shaft 24b.
- the output shaft 24b extends at least substantially parallel to the axis of rotation 52b of the bevel gear shaft 62b.
- the further spur gear 64b, the output shaft 24b and the output element 46b form the second gear stage of the gear unit 20b.
- the cutting string 14b is driven in a state arranged on the coupling device 12b by means of an interaction of the first gear stage and the second gear stage of the gear unit 20b via the motor unit 22b.
- the gear unit 20b has further gear stages.
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Description
Es sind bereits Werkzeugmaschinen, insbesondere tragbare Werkzeugmaschinen, bekannt, die eine Kopplungsvorrichtung zu einer Kopplung einer einen Schneidstrang und eine Führungseinheit umfassenden Werkzeugmaschinentrennvorrichtung, eine Getriebeeinheit und eine Motoreinheit zu einem Antrieb der Werkzeugmaschinentrennvorrichtung in einem an der Kopplungsvorrichtung angeordneten Zustand aufweisen.Machine tools, in particular portable machine tools, are already known which have a coupling device for coupling a machine tool parting device comprising a cutting strand and a guide unit, a gear unit and a motor unit to a drive of the power tool parting device in a state arranged on the coupling device.
Ein herkömmliches Werkzeugmaschinensystem mit einer Werkzeugmaschinentrennvorrichtung ist in
Es wird vorgeschlagen, dass die Getriebeeinheit als mehrstufiges Winkelgetriebe ausgebildet ist, das zumindest eine Abtriebswelle umfasst, die eine um 90° relativ zu einer Motoreinheitslängsachse der Motoreinheit angeordnete Abtriebsachse aufweist. Unter einem "Schneidstrang" soll hier insbesondere eine Einheit verstanden werden, die dazu vorgesehen ist, einen atomaren Zusammenhalt eines zu bearbeitenden Werkstücks örtlich aufzuheben, insbesondere mittels eines mechanischen Abtrennens und/oder mittels eines mechanischen Abtragens von Werkstoffteilchen des Werkstücks. Bevorzugt ist der Schneidstrang dazu vorgesehen, das Werkstück in zumindest zwei physikalisch voneinander getrennte Teile zu separieren und/oder zumindest teilweise Werkstoffteilchen des Werkstücks ausgehend von einer Oberfläche des Werkstücks abzutrennen und/oder abzutragen. Besonders vorteilhaft können Schneidspalte mit geringen Abmessungen erzeugt werden, indem der Schneidstrang, entlang der zumindest im Wesentlichen senkrecht zur Schneidebene des Schneidstrangs verlaufenden Richtung betrachtet, eine maximale Abmessung zwischen 1,3 mm bis 2,2 mm aufweist. Besonders bevorzugt wird der Schneidstrang in zumindest einem Betriebszustand umlaufend bewegt, insbesondere entlang eines Umfangs der Führungseinheit. Unter einer "Führungseinheit" soll hier insbesondere eine Einheit verstanden werden, die dazu vorgesehen ist, eine Zwangskraft zumindest entlang einer Richtung senkrecht zu einer Schneidrichtung des Schneidstrangs auf den Schneidstrang auszuüben, um eine Bewegungsmöglichkeit des Schneidstrangs entlang der Schneidrichtung vorzugeben. In diesem Zusammenhang soll unter "vorgesehen" insbesondere speziell ausgelegt und/oder speziell ausgestattet verstanden werden. Bevorzugt weist die Führungseinheit zumindest ein Führungselement auf, insbesondere eine Führungsnut, durch das der Schneidstrang geführt wird. Bevorzugt ist der Schneidstrang, in einer Schneidebene betrachtet, entlang eines gesamten Umfangs der Führungseinheit durch die Führungseinheit mittels des Führungselements, insbesondere der Führungsnut, geführt. Vorzugsweise weist die Führungseinheit zusammen mit dem montierten Schneidstrang, entlang einer zumindest im Wesentlichen parallel zur Schneidebene des Schneidstrangs und zumindest im Wesentlichen senkrecht zu einer Haupterstreckungsrichtung der Führungseinheit verlaufenden Richtung betrachtet, eine maximale Abmessung kleiner als 50 mm auf.It is proposed that the gear unit is designed as a multi-stage angle gear, which comprises at least one output shaft which has an output axis arranged at 90 ° relative to a motor unit longitudinal axis of the motor unit. A "cutting strand" is to be understood here as meaning, in particular, a unit which is intended to locally neutralize an atomic cohesion of a workpiece to be machined, in particular by means of a mechanical severing and / or by means of a mechanical removal of material particles of the workpiece. Preferably, the cutting strand is intended to to separate the workpiece into at least two physically separate parts and / or at least partially separate material particles of the workpiece from a surface of the workpiece and / or remove. Particularly advantageous cutting gaps can be produced with small dimensions by the cutting strand, viewed along the at least substantially perpendicular to the cutting plane of the cutting strand direction, has a maximum dimension between 1.3 mm to 2.2 mm. Particularly preferably, the cutting strand is circumferentially moved in at least one operating state, in particular along a circumference of the guide unit. A "guide unit" is to be understood here in particular as a unit which is provided to exert a constraining force on the cutting strand at least along a direction perpendicular to a cutting direction of the cutting strand, in order to predetermine a possibility of movement of the cutting strand along the cutting direction. In this context, "intended" should be understood to mean in particular specially designed and / or specially equipped. Preferably, the guide unit has at least one guide element, in particular a guide groove, through which the cutting strand is guided. Preferably, the cutting strand, viewed in a cutting plane, guided along an entire circumference of the guide unit by the guide unit by means of the guide element, in particular the guide groove. Preferably, the guide unit together with the assembled cutting strand, viewed along a direction at least substantially parallel to the cutting plane of the cutting strand and at least substantially perpendicular to a main extension direction of the guide unit, a maximum dimension smaller than 50 mm.
Der Begriff "Schneidebene" soll hier insbesondere eine Ebene definieren, in der der Schneidstrang in zumindest einem Betriebszustand entlang eines Umfangs der Führungseinheit in zumindest zwei zueinander entgegengesetzt gerichtete Schneidrichtungen relativ zur Führungseinheit bewegt wird. Bevorzugt ist die Schneidebene bei einer Bearbeitung eines Werkstücks zumindest im Wesentlichen quer zu einer bearbeitenden Werkstückoberfläche ausgerichtet. Unter "zumindest im Wesentlichen quer" soll hier insbesondere eine Ausrichtung einer Ebene und/oder einer Richtung relativ zu einer weiteren Ebene und/oder einer weiteren Richtung verstanden werden, die bevorzugt von einer parallelen Ausrichtung der Ebene und/oder der Richtung relativ zu der weiteren Ebene und/oder der weiteren Richtung abweicht. Es ist jedoch auch denkbar, dass die Schneidebene bei einer Bearbeitung eines Werkstücks zumindest im Wesentlichen parallel zu einer bearbeitenden Werkstückoberfläche ausgerichtet ist, insbesondere bei einer Ausbildung des Schneidstrangs als Schleifmittel usw. Unter "zumindest im Wesentlichen parallel" soll hier insbesondere eine Ausrichtung einer Richtung relativ zu einer Bezugsrichtung, insbesondere in einer Ebene, verstanden werden, wobei die Richtung gegenüber der Bezugsrichtung eine Abweichung insbesondere kleiner als 8°, vorteilhaft kleiner als 5° und besonders vorteilhaft kleiner als 2° aufweist. Unter einer "Schneidrichtung" soll hier insbesondere eine Richtung verstanden werden, entlang der der Schneidstrang zur Erzeugung eines Schneidspalts und/oder zur Abtrennung und/oder zur Abtragung von Werkstoffteilchen eines zu bearbeitenden Werkstücks in zumindest einem Betriebszustand infolge einer Antriebskraft und/oder eines Antriebsmoments, insbesondere in der Führungseinheit, bewegt wird. Bevorzugt wird der Schneidstrang in einem Betriebszustand entlang der Schneidrichtung relativ zur Führungseinheit bewegt.The term "cutting plane" should in particular define a plane in which the cutting strand is moved in at least one operating state along a circumference of the guide unit in at least two mutually oppositely directed cutting directions relative to the guide unit. Preferably, the cutting plane is aligned at least substantially transversely to a machined workpiece surface when machining a workpiece. The term "at least essentially transversal" is to be understood here as meaning, in particular, an alignment of a plane and / or a direction relative to a further plane and / or a further direction, preferably from a parallel orientation of the plane and / or the direction relative to the other Level and / or the other direction deviates. However, it is also conceivable that the Cutting plane is aligned at a machining of a workpiece at least substantially parallel to a machined workpiece surface, in particular in an embodiment of the cutting strand as abrasive, etc. By "at least substantially parallel" is intended in particular an orientation of a direction relative to a reference direction, in particular in a plane to be understood, wherein the direction relative to the reference direction has a deviation in particular less than 8 °, advantageously less than 5 ° and particularly advantageously less than 2 °. A "cutting direction" is to be understood here as meaning, in particular, a direction along which the cutting strand is used to produce a cutting gap and / or for separating and / or removing material particles of a workpiece to be machined in at least one operating state as a result of a drive force and / or a drive torque, especially in the guide unit, is moved. Preferably, the cutting strand is moved in an operating state along the cutting direction relative to the guide unit.
Erfindungsgemäß bilden die Führungseinheit und der Schneidstrang zusammen ein geschlossenes System. Der Begriff "geschlossenes System" soll hier insbesondere ein System definieren, das zumindest zwei Komponenten umfasst, die mittels eines Zusammenwirkens in einem demontierten Zustand des Systems von einem dem System übergeordneten System, wie beispielsweise einer Werkzeugmaschine, eine Funktionalität beibehalten und/oder die im demontierten Zustand unverlierbar miteinander verbunden sind. Bevorzugt sind die zumindest zwei Komponenten des geschlossenen Systems für einen Bediener zumindest im Wesentlichen unlösbar miteinander verbunden. Unter "zumindest im Wesentlichen unlösbar" soll hier insbesondere eine Verbindung von zumindest zwei Bauteilen verstanden werden, die lediglich unter der Zuhilfenahme von Trennwerkzeugen, wie beispielsweise einer Säge, insbesondere einer mechanischen Säge usw., und/oder chemischen Trennmitteln, wie beispielsweise Lösungsmitteln usw., voneinander trennbar sind.According to the invention, the guide unit and the cutting strand together form a closed system. In particular, the term "closed system" is intended to define a system comprising at least two components that retain functionality and / or disassemble functionality by interacting in a disassembled state of the system from a higher-level system such as a machine tool State are permanently connected to each other. Preferably, the at least two components of the closed system are at least substantially inseparably connected with each other for an operator. By "at least substantially insoluble" should be understood in particular a connection of at least two components, which only with the aid of separation tools, such as a saw, in particular a mechanical saw, etc., and / or chemical release agents, such as solvents, etc. , are separable from each other.
Besonders bevorzugt ist die Werkzeugmaschine als tragbare Werkzeugmaschine ausgebildet. Unter einer "tragbaren Werkzeugmaschine" soll hier insbesondere eine Werkzeugmaschine, insbesondere eine Handwerkzeugmaschine, verstanden werden, die von einem Bediener transportmaschinenlos transportiert werden kann. Die tragbare Werkzeugmaschine weist insbesondere eine Masse auf, die kleiner ist als 40 kg, bevorzugt kleiner ist als 10 kg und besonders bevorzugt kleiner ist als 5 kg. Der Begriff "Motoreinheit" soll hier insbesondere eine Einheit definieren, die dazu vorgesehen ist, Kräfte und/oder Drehmomente zu einem Antrieb des Schneidstrangs zu erzeugen. Bevorzugt wird zur Erzeugung von Kräften und/oder Drehmomenten mittels der Motoreinheit thermische Energie, chemische Energie und/oder elektrische Energie in Bewegungsenergie umgewandelt. Insbesondere ist die Motoreinheit direkt und/oder indirekt mit dem Schneidstrang koppelbar ausgebildet. Besonders bevorzugt umfasst die Motoreinheit zumindest einen Stator und zumindest einen Rotor, der zumindest eine Ankerwelle aufweist. Somit ist die Motoreinheit insbesondere als Elektromotoreinheit ausgebildet. Unter einer "Motoreinheitslängsachse" soll hier insbesondere eine Achse der Motoreinheit verstanden werden, die zumindest im Wesentlichen koaxial zu einer Rotationsachse einer Antriebswelle der Motoreinheit, insbesondere einer Ankerwelle der Motoreinheit, verläuft. Insbesondere weist die Motoreinheit entlang der Motoreinheitslängsachse eine maximale Abmessung auf.Particularly preferably, the machine tool is designed as a portable machine tool. A "portable machine tool" is to be understood here in particular as meaning a machine tool, in particular a hand tool machine, which can be transported without transport machine by an operator. In particular, the portable power tool has a mass that is less than 40 kg, preferably less than 10 kg, and particularly preferred less than 5 kg. The term "motor unit" should in particular define a unit which is provided to generate forces and / or torques for driving the cutting strand. Preferably, thermal energy, chemical energy and / or electrical energy is converted into kinetic energy for generating forces and / or torques by means of the motor unit. In particular, the motor unit is formed directly and / or indirectly coupled to the cutting strand. Particularly preferably, the motor unit comprises at least one stator and at least one rotor, which has at least one armature shaft. Thus, the motor unit is designed in particular as an electric motor unit. A "motor unit longitudinal axis" is to be understood here in particular as an axis of the motor unit which extends at least substantially coaxially to a rotational axis of a drive shaft of the motor unit, in particular an armature shaft of the motor unit. In particular, the motor unit has a maximum dimension along the motor unit longitudinal axis.
Das Winkelgetriebe kann hierbei beispielsweise als Kegelradgetriebe, als Schneckenradgetriebe, als Kronenradgetriebe und/oder als eine andere, einem Fachmann als sinnvoll erscheinende Winkelgetriebeart ausgebildet sein. Bevorzugt ist die Motoreinheit zur Übertragung von Kräften und/oder Drehmomenten zum Antrieb des Schneidstrangs mittels des Winkelgetriebes mit dem Schneidstrang gekoppelt. Besonders bevorzugt weist das Winkelgetriebe zumindest die Abtriebswelle zum Antrieb des Schneidstrangs auf, die drehfest mit einem Zahnrad der Getriebeeinheit, wie beispielsweise einem Tellerrad, einem Schneckenrad und/oder einem Kronenrad usw., drehfest verbunden ist. Bevorzugt ist die Abtriebswelle mittels einer formschlüssigen und/oder kraftschlüssigen Verbindung mit dem Zahnrad des Winkelgetriebes drehfest verbunden. Es ist jedoch auch denkbar, dass die Abtriebswelle einstückig mit dem Zahnrad ausgebildet ist. Vorzugsweise wird die Abtriebswelle von einer zur Antriebswelle der Motoreinheit verschiedenen Welle gebildet. Besonders bevorzugt ist die Getriebeeinheit als zweistufiges Winkelgetriebe ausgebildet. Es ist jedoch auch denkbar, dass die Getriebeeinheit als Winkelgetriebe ausgebildet ist, das mehr als zwei Getriebestufen aufweist. Mittels der erfindungsgemäßen Ausgestaltung der Werkzeugmaschine kann vorteilhaft eine an ein Anwendungsgebiet angepasste Über- oder Untersetzung eines Antriebsdrehmoments erreicht werden. Zudem kann vorteilhaft eine kompakte Anordnung erreicht werden, um eine vielseitige Anwendung der Werkzeugmaschine zu ermöglichen.In this case, the angular gear can be designed, for example, as a bevel gear, as a worm gear, as a crown gear and / or as another angle gear type that appears meaningful to a person skilled in the art. Preferably, the motor unit for transmitting forces and / or torques for driving the cutting strand is coupled by means of the angular gear with the cutting strand. Particularly preferably, the angle gear has at least the output shaft for driving the cutting strand, which is non-rotatably connected to a gear of the gear unit, such as a ring gear, a worm wheel and / or a crown wheel, etc., rotatably. Preferably, the output shaft is rotatably connected by means of a positive and / or non-positive connection with the gear of the angular gear. However, it is also conceivable that the output shaft is formed integrally with the gear. Preferably, the output shaft is formed by a different shaft to the drive shaft of the motor unit. Particularly preferably, the gear unit is designed as a two-stage angular gear. However, it is also conceivable that the gear unit is designed as an angle gear, which has more than two gear stages. By means of the embodiment of the machine tool according to the invention can advantageously be adapted to an application over or reduction of a drive torque can be achieved. In addition, advantageously, a compact arrangement can be achieved in order to enable a versatile application of the machine tool.
Des Weiteren wird vorgeschlagen, dass die Motoreinheitslängsachse der Motoreinheit und die Abtriebsachse der Abtriebswelle in einem montierten Zustand zumindest im Wesentlichen in einer gemeinsamen Ebene angeordnet sind. Unter "zumindest im Wesentlichen in einer gemeinsamen Ebene angeordnet" soll hier insbesondere eine Anordnung der Motoreinheitslängsachse und der Abtriebsachse verstanden werden, so dass die Motoreinheitslängsachse und die Abtriebsachse in wenigstens einem Bereich einen Abstand kleiner als 15 mm, vorzugsweise kleiner als 10 mm und besonders bevorzugt kleiner als 5 mm aufweisen und sich insbesondere in zumindest einem Punkt schneiden. Vorzugsweise spannen die Motoreinheitslängsachse und die Abtriebsachse die gemeinsame Ebene auf. Es kann vorteilhaft eine kompakte Werkzeugmaschine erreicht werden.Furthermore, it is proposed that the motor unit longitudinal axis of the motor unit and the output shaft of the output shaft are arranged in an assembled state at least substantially in a common plane. "Arranged at least substantially in a common plane" is to be understood here as meaning, in particular, an arrangement of the motor unit longitudinal axis and the output axis, so that the motor unit longitudinal axis and the output axis have a distance of less than 15 mm, preferably less than 10 mm, and particularly preferably in at least one area less than 5 mm and intersect in particular at least one point. Preferably, the engine unit longitudinal axis and the output axis clamp the common plane. It can be advantageously achieved a compact machine tool.
Ferner wird vorgeschlagen, dass die Werkzeugmaschine zumindest eine Auflageeinheit umfasst, die zumindest eine Auflagefläche zu einer Auflage auf ein Werkstück aufweist, zu der die gemeinsame Ebene zumindest im Wesentlichen parallel verläuft. Unter einer "Auflageeinheit" soll hier insbesondere eine Einheit verstanden werden, die während einer Bearbeitung eines Werkstücks mittels der Werkzeugmaschine, bei einer ordnungsgemäßen Handhabung der Werkzeugmaschine, auf dem Werkstück aufliegt, insbesondere mit der Auflagefläche der Auflageeinheit, und die dazu vorgesehen ist, die Werkzeugmaschine während einer Bearbeitung des Werkstücks auf dem Werkstück abzustützen. Besonders bevorzugt ist die Auflageeinheit als Gleitschuh und/oder als Grundplatte ausgebildet. Vorzugsweise gleitet die Werkzeugmaschine während einer Bearbeitung des Werkstücks mittels der Auflageeinheit, insbesondere mit der Auflagefläche der Auflageeinheit, auf einer Oberfläche des zu bearbeitenden Werkstücks. Mittels der erfindungsgemäßen Ausgestaltung kann vorteilhaft eine versetzte Anordnung der Kopplungsvorrichtung relativ zur Motoreinheitslängsachse erreicht werden, um beispielsweise eine mittige Anordnung der Motoreinheit in einem Werkzeugmaschinengehäuse der Werkzeugmaschine und eine seitlich versetzte Anordnung der Kopplungsvorrichtung zu erreichen.Furthermore, it is proposed that the machine tool comprises at least one support unit, which has at least one bearing surface to a support on a workpiece, to which the common plane extends at least substantially parallel. A "support unit" is to be understood here in particular as a unit which rests on the workpiece during machining of a workpiece by means of the machine tool, with proper handling of the machine tool, in particular with the support surface of the support unit, and which is provided for this purpose during machining of the workpiece to support the workpiece. Particularly preferably, the support unit is designed as a sliding block and / or as a base plate. Preferably, the machine tool slides during a machining of the workpiece by means of the support unit, in particular with the support surface of the support unit, on a surface of the workpiece to be machined. By means of the embodiment according to the invention can advantageously be achieved a staggered arrangement of the coupling device relative to the motor unit longitudinal axis, for example, to achieve a central arrangement of the motor unit in a machine tool housing of the machine tool and a laterally staggered arrangement of the coupling device.
Zudem wird vorgeschlagen, dass die Motoreinheitslängsachse der Motoreinheit und die Abtriebsachse der Abtriebswelle in einem montierten Zustand zumindest im Wesentlichen senkrecht zueinander verlaufen. Der Ausdruck "im Wesentlichen senkrecht" soll hier insbesondere eine Ausrichtung einer Richtung relativ zu einer Bezugsrichtung definieren, wobei die Richtung und die Bezugsrichtung, insbesondere in einer Ebene betrachtet, einen Winkel von 90° einschließen und der Winkel eine maximale Abweichung von insbesondere kleiner als 8°, vorteilhaft kleiner als 5° und besonders vorteilhaft kleiner als 2° aufweist. Besonders bevorzugt verlaufen die Motoreinheitslängsachse der Motoreinheit und die Abtriebsachse der Abtriebswelle, betrachtet in einer Projektionsebene, zumindest im Wesentlichen senkrecht zueinander. Es kann vorteilhaft eine kompakte Werkzeugmaschine erreicht werden.In addition, it is proposed that the motor unit longitudinal axis of the motor unit and the output shaft of the output shaft in an assembled state extend at least substantially perpendicular to one another. 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, especially when viewed in a plane, enclose an angle of 90 ° and the angle has a maximum deviation of in particular less than 8 °, advantageously less than 5 ° and particularly advantageously less than 2 °. Particularly preferably, the motor unit longitudinal axis of the motor unit and the output shaft of the output shaft, viewed in a projection plane, extend at least substantially perpendicular to one another. It can be advantageously achieved a compact machine tool.
Des Weiteren wird vorgeschlagen, dass die Getriebeeinheit als mehrstufiges Stirnradgetriebe und/oder als mehrstufiges Kegelradgetriebe ausgebildet ist. Hierdurch kann besonders vorteilhaft ein großes Übersetzungsverhältnis und/oder ein großes Untersetzungsverhältnis erreicht werden.Furthermore, it is proposed that the gear unit is designed as a multi-stage spur gear and / or as a multi-stage bevel gear. As a result, a large transmission ratio and / or a large reduction ratio can be achieved particularly advantageously.
Erfindungsgemäß wird vorgeschlagen, dass die Abtriebsachse der Abtriebswelle, entlang einer zumindest im Wesentlichen senkrecht zur Motoreinheitslängsachse der Motoreinheit verlaufenden Richtung, relativ zur Motoreinheitslängsachse der Motoreinheit versetzt angeordnet ist. Der Ausdruck "im Wesentlichen senkrecht" soll hier insbesondere eine Ausrichtung einer Richtung relativ zu einer Bezugsrichtung definieren, wobei die Richtung und die Bezugsrichtung, insbesondere in einer Ebene betrachtet, einen Winkel von 90° einschließen und der Winkel eine maximale Abweichung von insbesondere kleiner als 8°, vorteilhaft kleiner als 5° und besonders vorteilhaft kleiner als 2° aufweist. Es kann vorteilhaft eine geringe ungenutzte Länge der Werkzeugmaschinentrennvorrichtung erreicht werden, da die Kopplungsvorrichtung vorteilhaft nahe eines Randbereichs des Werkzeugmaschinengehäuses anordenbar ist.According to the invention, it is proposed that the output shaft of the output shaft, along an at least substantially perpendicular to the motor unit longitudinal axis of the motor unit extending direction, is arranged offset relative to the motor unit longitudinal axis of the motor unit. 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 in one plane, including an angle of 90 ° and the angle a maximum deviation of, in particular, less than 8 °, advantageously less than 5 ° and particularly advantageously less than 2 °. Advantageously, a small unused length of the power tool separating device can be achieved, since the coupling device can advantageously be arranged close to an edge region of the power tool housing.
Des Weiteren geht die Erfindung aus von einem Werkzeugmaschinensystem mit zumindest einer Werkzeugmaschinentrennvorrichtung, die zumindest einen Schneidstrang und zumindest eine Führungseinheit, die zumindest zusammen mit dem Schneidstrang ein geschlossenes System bildet, umfasst, und mit zumindest einer erfindungsgemäßen Werkzeugmaschine.Furthermore, the invention is based on a machine tool system having at least one machine tool separating device which comprises at least one cutting strand and at least one guide unit which forms a closed system at least together with the cutting strand, and with at least one machine tool according to the invention.
Es wird vorgeschlagen, dass in einem montierten Zustand die Motoreinheitslängsachse der Motoreinheit zumindest im Wesentlichen senkrecht zu einer Längsachse der Führungseinheit verläuft. Der Begriff "Längsachse" soll hier insbesondere eine Achse definieren, entlang der ein Bauteil, insbesondere die Führungseinheit, eine maximale Abmessung aufweist. Die Längsachse verläuft bevorzugt zumindest im Wesentlichen parallel zu zwei Geraden einer Außenkontur der Führungseinheit. Mittels der erfindungsgemäßen Ausgestaltung des Werkzeugmaschinensystems kann vorteilhaft eine kompakte Werkzeugmaschine erreicht werden.It is proposed that, in an assembled state, the motor unit longitudinal axis of the motor unit runs at least substantially perpendicular to a longitudinal axis of the guide unit. The term "longitudinal axis" should in particular define an axis along which a component, in particular the guide unit, has a maximum dimension. The longitudinal axis is preferably at least substantially parallel to two straight lines of an outer contour of the guide unit. By means of the embodiment of the machine tool system according to the invention, advantageously, a compact machine tool can be achieved.
Zudem wird vorgeschlagen, dass die Werkzeugmaschine zumindest die Auflageeinheit zur Auflage auf ein Werkstück aufweist, durch die sich die Längsachse der Führungseinheit in einem montierten Zustand zumindest im Wesentlichen senkrecht zumindest zu einer Auflagefläche der Auflageeinheit hindurch erstreckt. Es kann vorteilhaft eine Führung der tragbaren Werkzeugmaschine während einer Bearbeitung eines Werkstücks erreicht werden. Ferner kann vorteilhaft ein hoher Bedienkomfort für einen Bediener bei einer Bearbeitung eines Werkstücks mittels der tragbaren Werkzeugmaschine erreicht werden.In addition, it is proposed that the machine tool has at least the support unit for resting on a workpiece, through which the longitudinal axis of the guide unit extends in an assembled state at least substantially perpendicularly at least to a support surface of the support unit. Advantageously, guidance of the portable power tool during machining of a workpiece can be achieved. Furthermore, a high level of operating comfort for an operator when machining a workpiece by means of the portable machine tool can advantageously be achieved.
Vorteilhafteniveise sind die Motoreinheitslängsachse der Motoreinheit in einer Ebene angeordnet ist und die Längsachse der Führungseinheit in einem montierten Zustand der Führungseinheit in einer weiteren Ebene angeordnet ist, die sich zumindest im Wesentlichen parallel zur Ebene erstreckt. Es kann konstruktiv einfach eine seitlich versetzte Anordnung der Kopplungsvorrichtung relativ zur Motoreinheitslängsachse erreicht werden.Advantageously, the motor unit longitudinal axis of the motor unit is arranged in a plane and the longitudinal axis of the guide unit is arranged in a mounted state of the guide unit in a further plane which extends at least substantially parallel to the plane. It can be achieved structurally simple a laterally offset arrangement of the coupling device relative to the motor unit longitudinal axis.
Erfindungsgemäß wird vorgeschlagen, dass die Abtriebsachse der Abtriebswelle, betrachtet entlang der Längsachse der Führungseinheit, relativ zur Motoreinheitslängsachse der Motoreinheit versetzt angeordnet ist. Es kann vorteilhaft ein Freiraum zu einem vorteilhaften Umgreifen des Werkzeugmaschinengehäuses erreicht werden.According to the invention, it is proposed that the output shaft of the output shaft, viewed along the longitudinal axis of the guide unit, is arranged offset relative to the motor unit longitudinal axis of the motor unit. It can be advantageously achieved a free space to an advantageous encompassing the machine tool housing.
Das erfindungsgemäße Werkzeugmaschinensystem soll hierbei nicht auf die oben beschriebene Anwendung und Ausführungsform beschränkt sein. Insbesondere kann das erfindungsgemäße Werkzeugmaschinensystem zu einer Erfüllung einer hierin beschriebenen Funktionsweise eine von einer hierin genannten Anzahl von einzelnen Elementen, Bauteilen und Einheiten abweichende Anzahl aufweise.The machine tool system according to the invention should not be limited to the application and embodiment described above. In particular, the machine tool system according to the invention may have a different number from a number of individual elements, components and units mentioned herein for fulfilling a mode of operation described herein.
Weitere Vorteile ergeben sich aus der folgenden Zeichnungsbeschreibung. In der Zeichnung sind Ausführungsbeispiele der Erfindung dargestellt. Die Zeichnung, die Beschreibung und die Ansprüche enthalten zahlreiche Merkmale in Kombination. Der Fachmann wird die Merkmale zweckmäßigerweise auch einzeln betrachten und zu sinnvollen weiteren Kombinationen zusammenfassen.Further advantages emerge from the following description of the drawing. In the drawings, embodiments of the invention are shown. The drawing, the description and the claims contain numerous features in combination. The person skilled in the art will expediently also consider the features individually and combine them into meaningful further combinations.
Es zeigen:
- Fig. 1
- ein erfindungsgemäßes Werkzeugmaschinensystem mit einer erfindungsgemäßen Werkzeugmaschine und mit einer erfindungsgemäßen Werkzeugmaschinentrennvorrichtung in einer schematischen Darstellung,
- Fig. 2
- eine Detailansicht einer Anordnung einer Motoreinheit und einer Getriebeeinheit der erfindungsgemäßen Werkzeugmaschine aus
Figur 1 in einer schematischen Darstellung, - Fig. 3
- ein alternatives erfindungsgemäßes Werkzeugmaschinensystem mit einer erfindungsgemäßen Werkzeugmaschine und mit einer erfindungsgemäßen Werkzeugmaschinentrennvorrichtung in einer schematischen Darstellung und
- Fig. 4
- eine Detailansicht einer Anordnung einer Motoreinheit und einer Getriebeeinheit der erfindungsgemäßen Werkzeugmaschine aus
Figur 3 in einer schematischen Darstellung.
- Fig. 1
- an inventive machine tool system with a machine tool according to the invention and with a machine tool separating device according to the invention in a schematic representation,
- Fig. 2
- a detailed view of an arrangement of a motor unit and a gear unit of the machine tool according to the invention from
FIG. 1 in a schematic representation, - Fig. 3
- an alternative inventive machine tool system with a machine tool according to the invention and with a machine tool separating device according to the invention in a schematic representation and
- Fig. 4
- a detailed view of an arrangement of a motor unit and a gear unit of the machine tool according to the invention from
FIG. 3 in a schematic representation.
Ferner weist die Werkzeugmaschine 10a ein Werkzeugmaschinengehäuse 40a auf, das die Motoreinheit 22a und die Getriebeeinheit 20a der Werkzeugmaschine 10a umschließt und Lagerkräfte der Motoreinheit 22a und der Getriebeeinheit 20a abstützt. Die Motoreinheitslängsachse 26a der Motoreinheit 22a und die Abtriebsachse 28a der Abtriebswelle 24a sind in einem montierten Zustand zumindest im Wesentlichen in einer gemeinsamen Ebene 30a angeordnet. Die Motoreinheit 22a und die Getriebeeinheit 20a sind zur Erzeugung eines auf die Werkzeugmaschinentrennvorrichtung 18a übertragbaren Antriebsmoments auf eine, einem Fachmann bereits bekannte Art und Weise wirkungsmäßig miteinander verbunden. Die Getriebeeinheit 20a ist als mehrstufiges Winkelgetriebe ausgebildet ist, das zumindest eine Abtriebswelle 24a umfasst, die eine um 90° relativ zu einer Motoreinheitslängsachse 26a der Motoreinheit 22a angeordnete Abtriebsachse 28a aufweist. Hierbei ist die Getriebeeinheit 20a als mehrstufiges Stirnradgetriebe und/oder als mehrstufiges Kegelradgetriebe ausgebildet. Die Motoreinheit 22a ist als Elektromotoreinheit ausgebildet. Somit ist die Motoreinheitslängsachse 26a der Motoreinheit 22a als Rotationsachse einer Ankerwelle 54a der Motoreinheit 22a ausgebildet. Es ist jedoch auch denkbar, dass die Motoreinheit 22a und/oder die Getriebeeinheit 20a eine andere, einem Fachmann als sinnvoll erscheinende Ausgestaltung aufweisen/aufweist. Die Motoreinheit 22a ist dazu vorgesehen, den Schneidstrang 14a der Werkzeugmaschinentrennvorrichtung 18a über die Getriebeeinheit 20a anzutreiben.Furthermore, the
Der Schneidstrang 14a und die Führungseinheit 16a der Werkzeugmaschinentrennvorrichtung 18a bilden zusammen ein geschlossenes System. Der Schneidstrang 14a wird mittels der Führungseinheit 16a geführt. Hierzu weist die Führungseinheit 16a zumindest eine Führungsnut auf (hier nicht näher dargestellt). Der Schneidstrang 14a wird mittels die Führungsnut begrenzende Randbereiche der Führungseinheit 16a geführt. Es ist jedoch auch denkbar, dass die Führungseinheit 16a ein anderes, einem Fachmann als sinnvoll erscheinendes Element zur Führung des Schneidstrangs 14a aufweist, wie beispielsweise ein als rippenartige Anformung an die Führungseinheit 16a ausgebildetes Element, das in eine Ausnehmung an dem Schneidstrang 14a eingreift. Der Schneidstrang 14a wird während eines Betriebs umlaufend entlang eines Umfangs der Führungseinheit 16a in der Führungsnut bewegt. Der Schneidstrang 14a ist als Schneidkette ausgebildet. Hierzu umfasst der Schneidstrang 14a eine Vielzahl miteinander verbundener Schneidstrangsegmente 42a, 44a.The cutting strand 14a and the
In einem an der Kopplungsvorrichtung 12a angeordneten Zustand der Werkzeugmaschinentrennvorrichtung 18a greift ein als Zahnrad ausgebildetes Abtriebselement 46a (
Des Weiteren umfasst die Werkzeugmaschine 10a zumindest eine Auflageeinheit 32a, die zumindest eine Auflagefläche 34a zu einer Auflage auf ein Werkstück aufweist, zu der die gemeinsame Ebene 30a zumindest im Wesentlichen parallel verläuft. Die Auflageeinheit 32a ist auf einer der Auflagefläche 34a abgewandten Seite der Auflageeinheit 32a an dem Werkzeugmaschinengehäuse 40a fixiert. Eine Längsachse 38a der Führungseinheit 16a erstreckt sich in einem an der Kopplungsvorrichtung 12a angeordneten Zustand der Werkzeugmaschinentrennvorrichtung 18a zumindest im Wesentlichen senkrecht zumindest zur Auflagefläche 34a der Auflageeinheit 32a durch eine Ausnehmung der Auflageeinheit 32a durch die Auflagefläche 34a hindurch. Hierbei ragt die Werkzeugmaschinentrennvorrichtung 18a auf einer dem Werkzeugmaschinengehäuse 40a abgewandten Seite der Auflageeinheit 32a über die Auflagefläche 34a zu einer Bearbeitung von Werkstücken mittels des Schneidstrangs 14a hinaus. Somit weist die Werkzeugmaschine 10a zumindest die Auflageeinheit 32a zur Auflage auf ein Werkstück auf, durch die sich die Längsachse 38a der Führungseinheit 16a in einem montierten Zustand zumindest im Wesentlichen senkrecht zumindest zur Auflagefläche 34a der Auflageeinheit 32a hindurch erstreckt. Ferner verläuft die Motoreinheitslängsachse 26a der Motoreinheit 22a in einem montierten Zustand zumindest im Wesentlichen senkrecht zur Längsachse 38a der Führungseinheit 16a.Furthermore, the
Die Getriebeeinheit 20a umfasst eine erste Getriebestufe, die zumindest von einem Stirnrad 48a der Getriebeeinheit 20a gebildet wird. Das Stirnrad 48a ist drehfest mit einer Stirnradwelle 50a der Getriebeeinheit 20a verbunden. Die Stirnradwelle 50a weist eine Rotationsachse 52a auf, die zumindest im Wesentlichen parallel zur Motoreinheitslängsachse 26a der Motoreinheit 22a verläuft. Ein auf der Ankerwelle 54a der Motoreinheit 22a drehfest fixiertes Antriebselement 56a kämmt hierbei mit dem Stirnrad 48a. Das Antriebselement 56a ist als Antriebsritzel ausgebildet. Ferner ist an einem der Motoreinheit 22a abgewandten Ende der Stirnradwelle 50a ein Kegelrad 58a der Getriebeeinheit 20a drehfest fixiert. Somit bilden das Stirnrad 48a, die Stirnradwelle 50a und das Kegelrad 58a die erste Getriebestufe. Das Kegelrad 58a kämmt hierbei mit einem weiteren Kegelrad 60a der Getriebeeinheit 20a. Das weitere Kegelrad 60a ist drehfest auf der Abtriebswelle 24a angeordnet. Die Abtriebswelle 24a verläuft, zumindest in einer Projektionsebene betrachtet, in die die Rotationsachse 52a der Stirnradwelle 50a und die Abtriebsachse 28a der Abtriebswelle 24a projiziert sind, zumindest im Wesentlichen senkrecht zur Rotationsachse 52a der Stirnradwelle 50a. Hierbei ist die Abtriebsachse 28a der Abtriebswelle 24a und die Rotationsachse 52a der Stirnradwelle 50a ebenfalls in der gemeinsamen Ebene 30a angeordnet. Es ist jedoch auch denkbar, dass die Rotationsachse 52a der Stirnradwelle 50a in einer von der gemeinsamen Ebene 30a verschiedenen Ebene angeordnet ist. Das weitere Kegelrad 60a, die Abtriebswelle 24a und das Abtriebselement 46a bilden die zweite Getriebestufe der Getriebeeinheit 20a. Somit wird der Schneidstrang 14a in einem an der Kopplungsvorrichtung 12a angeordneten Zustand mittels eines Zusammenwirkens der ersten Getriebestufe und der zweiten Getriebestufe der Getriebeeinheit 20a über die Motoreinheit 22a angetrieben. Es ist jedoch auch denkbar, dass die Getriebeeinheit 20a weitere Getriebestufen aufweist.The
In
Ferner weist die Werkzeugmaschine 10b ein Werkzeugmaschinengehäuse 40b auf, das die Motoreinheit 22b und die Getriebeeinheit 20b der Werkzeugmaschine 10b umschließt und Lagerkräfte der Motoreinheit 22b und der Getriebeeinheit 20b abstützt. Die Motoreinheitslängsachse 26b der Motoreinheit 22b und die Abtriebsachse 28b der Abtriebswelle 24b verlaufen in einem montierten Zustand, betrachtet in einer Projektionsebene, in die die Motoreinheitslängsachse 26b und die Abtriebsachse 28b projiziert sind, zumindest im Wesentlichen senkrecht zueinander. Die Getriebeeinheit 20b ist als mehrstufiges Winkelgetriebe ausgebildet ist, das zumindest eine Abtriebswelle 24b umfasst, die eine um 90° relativ zu einer Motoreinheitslängsachse 26b der Motoreinheit 22b angeordnete Abtriebsachse 28b aufweist. Hierbei ist die Getriebeeinheit 20b als mehrstufiges Stirnradgetriebe und/oder als mehrstufiges Kegelradgetriebe ausgebildet. Die Motoreinheit 22b ist als Elektromotoreinheit ausgebildet. Somit ist die Motoreinheitslängsachse 26b der Motoreinheit 22b als Rotationsachse einer Ankerwelle 54b der Motoreinheit 22b ausgebildet. Es ist jedoch auch denkbar, dass die Motoreinheit 22a und/oder die Getriebeeinheit 20b eine andere, einem Fachmann als sinnvoll erscheinende Ausgestaltung aufweisen/aufweist. Die Motoreinheit 22b ist dazu vorgesehen, den Schneidstrang 14b der Werkzeugmaschinentrennvorrichtung 18b über die Getriebeeinheit 20b anzutreiben.Furthermore, the
Die Getriebeeinheit 20b umfasst eine erste Getriebestufe, die zumindest von einem Kegelrad 58b der Getriebeeinheit 20b gebildet wird. Das Kegelrad 58b ist drehfest mit einer Kegelradwelle 62b der Getriebeeinheit 20b verbunden. Die Kegelradwelle 62b weist eine Rotationsachse 52b auf, die zumindest im Wesentlichen senkrecht zur Motoreinheitslängsachse 26b der Motoreinheit 22b verläuft. Ein auf der Ankerwelle 54b der Motoreinheit 22b drehfest fixiertes Antriebselement 56b kämmt hierbei mit dem Kegelrad 58b. Das Antriebselement 56b ist als Antriebsritzel ausgebildet. Ferner ist auf der Kegelradwelle 62b ein Stirnrad 48b der Getriebeeinheit 20b drehfest fixiert. Somit bilden das Kegelrad 58b, die Kegelradwelle 62b und das Stirnrad 48b die erste Getriebestufe. Das Stirnrad 48b kämmt hierbei mit einem weiteren Stirnrad 64b der Getriebeeinheit 20b. Das weitere Stirnrad 64b ist drehfest auf der Abtriebswelle 24b angeordnet. Die Abtriebswelle 24b verläuft zumindest im Wesentlichen parallel zur Rotationsachse 52b der Kegelradwelle 62b. Das weitere Stirnrad 64b, die Abtriebswelle 24b und das Abtriebselement 46b bilden die zweite Getriebestufe der Getriebeeinheit 20b. Somit wird der Schneidstrang 14b in einem an der Kopplungsvorrichtung 12b angeordneten Zustand mittels eines Zusammenwirkens der ersten Getriebestufe und der zweiten Getriebestufe der Getriebeeinheit 20b über die Motoreinheit 22b angetrieben. Es ist jedoch auch denkbar, dass die Getriebeeinheit 20b weitere Getriebestufen aufweist.The
Claims (6)
- Power tool system having at least one power-tool parting device (18b) which comprises at least one cutting strand (14b) and at least one guide unit (16b), which forms a closed system at least together with the cutting strand (14b), and having at least one power tool, in particular a portable power tool, having at least one coupling device (12b) for coupling the power-tool parting device (18b), comprising at least the cutting strand (14b) and at least the guide unit (16b), to at least one gear unit (20b) and to at least one motor unit (22b) for driving the power-tool parting device (18b) in a state arranged on the coupling device (12b), wherein the gear unit (20b) is configured as a multistage angular gear which comprises at least one output shaft (24b) which has an output axis (28b) that is arranged at 90° relative to a motor-unit longitudinal axis (26b) of the motor unit (22b), wherein, in a mounted state, the motor-unit longitudinal axis (26b) of the motor unit (22b) extends at least substantially perpendicularly to a longitudinal axis (38b) of the guide unit (16b), wherein the output axis (28b) of the output shaft (24b), as seen along the longitudinal axis (38b) of the guide unit (16b), is arranged in an offset manner relative to the motor-unit longitudinal axis (26b) of the motor unit (22b).
- Power tool system according to Claim 1, characterized in that the power tool has at least one bearing unit (32b) for bearing on a workpiece, through which bearing unit (32b) the longitudinal axis (38b) of the guide unit (16b) extends, in a mounted state, at least substantially perpendicularly at least to a bearing face (34b) of the bearing unit (32b).
- Power tool system according to Claim 1 or 2, characterized in that the motor-unit longitudinal axis (26b) of the motor unit (22b) is arranged in a plane (30b) and the longitudinal axis (38b) of the guide unit (16b) is arranged, in a mounted state of the guide unit (16b), in a further plane (66b) which extends at least substantially parallel to the plane (30b).
- Power tool system according to one of the preceding claims, characterized in that the motor-unit longitudinal axis (26b) of the motor unit (22b) and the output axis (28b) of the output shaft (24b) extend at least substantially perpendicularly to one another in a mounted state.
- Power tool system according to one of the preceding claims, characterized in that the gear unit (20b) is configured as a multistage spur gear unit and/or as a multistage bevel gear unit.
- Power tool system according to one of the preceding claims, characterized in that the output axis (28b) of the output shaft (24b) is arranged in an offset manner relative to the motor-unit longitudinal axis (26b) of the motor unit (22b) in a direction extending at least substantially perpendicularly to the motor-unit longitudinal axis (26b) of the motor unit (22b).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE201210215458 DE102012215458A1 (en) | 2012-08-31 | 2012-08-31 | machine tool |
PCT/EP2013/066804 WO2014032951A2 (en) | 2012-08-31 | 2013-08-12 | Machine tool |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2890524A2 EP2890524A2 (en) | 2015-07-08 |
EP2890524B1 true EP2890524B1 (en) | 2017-04-26 |
Family
ID=48986114
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP13750025.2A Active EP2890524B1 (en) | 2012-08-31 | 2013-08-12 | Machine tool system |
Country Status (4)
Country | Link |
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EP (1) | EP2890524B1 (en) |
CN (1) | CN104582908B (en) |
DE (1) | DE102012215458A1 (en) |
WO (1) | WO2014032951A2 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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USD1042832S1 (en) | 2021-06-15 | 2024-09-17 | Soletech Limited | Veterinary saw |
USD1045080S1 (en) | 2021-06-15 | 2024-10-01 | Soletech Limited | Veterinary saw |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3039502A (en) * | 1959-01-06 | 1962-06-19 | Hoke A Spivey | Portable chain saw mortising gage |
US4204320A (en) * | 1978-08-18 | 1980-05-27 | Shindaiwa Kogyo Co., Ltd. | Sprocket shaft stay |
GB8419954D0 (en) * | 1984-08-04 | 1984-09-05 | Thomas J E | Power saw |
DE19647993A1 (en) * | 1996-11-20 | 1998-05-28 | Karl Schweikert | Motor-driven hand saw |
DE10259519A1 (en) * | 2002-12-19 | 2004-07-01 | Robert Bosch Gmbh | Gearboxes, in particular for electric hand machine tools |
CN1554506A (en) * | 2003-12-25 | 2004-12-15 | 张友民 | Portable two-way saw cutter |
DE102004040922A1 (en) * | 2004-08-24 | 2006-03-02 | Robert Bosch Gmbh | Replacement handheld battery unit, hand tool machine and loader |
DE102006062001B4 (en) * | 2006-09-18 | 2017-08-24 | Robert Bosch Gmbh | Hand tool |
DE102008002066A1 (en) * | 2008-05-29 | 2009-12-03 | Robert Bosch Gmbh | Machine tool, in particular hand-held machine tool |
-
2012
- 2012-08-31 DE DE201210215458 patent/DE102012215458A1/en not_active Ceased
-
2013
- 2013-08-12 WO PCT/EP2013/066804 patent/WO2014032951A2/en active Application Filing
- 2013-08-12 CN CN201380044435.XA patent/CN104582908B/en active Active
- 2013-08-12 EP EP13750025.2A patent/EP2890524B1/en active Active
Also Published As
Publication number | Publication date |
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CN104582908A (en) | 2015-04-29 |
CN104582908B (en) | 2017-11-17 |
DE102012215458A1 (en) | 2014-03-06 |
WO2014032951A3 (en) | 2014-07-03 |
WO2014032951A2 (en) | 2014-03-06 |
EP2890524A2 (en) | 2015-07-08 |
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