WO2018036720A1 - Machine-outil portative et procédé pour amortir les vibrations d'une machine-outil portative - Google Patents

Machine-outil portative et procédé pour amortir les vibrations d'une machine-outil portative Download PDF

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Publication number
WO2018036720A1
WO2018036720A1 PCT/EP2017/067977 EP2017067977W WO2018036720A1 WO 2018036720 A1 WO2018036720 A1 WO 2018036720A1 EP 2017067977 W EP2017067977 W EP 2017067977W WO 2018036720 A1 WO2018036720 A1 WO 2018036720A1
Authority
WO
WIPO (PCT)
Prior art keywords
housing
coupling
unit
machine housing
damping
Prior art date
Application number
PCT/EP2017/067977
Other languages
German (de)
English (en)
Inventor
Thomas Palaver
Tobias Lutz
Szabolcs Gyori
Original Assignee
Robert Bosch Gmbh
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Robert Bosch Gmbh filed Critical Robert Bosch Gmbh
Priority to EP17745148.1A priority Critical patent/EP3500405B1/fr
Priority to CN201780065221.9A priority patent/CN109863001B/zh
Publication of WO2018036720A1 publication Critical patent/WO2018036720A1/fr

Links

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
    • B25F5/006—Vibration damping means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B23/00—Portable grinding machines, e.g. hand-guided; Accessories therefor
    • B24B23/02—Portable grinding machines, e.g. hand-guided; Accessories therefor with rotating grinding tools; Accessories therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B41/00—Component parts such as frames, beds, carriages, headstocks
    • B24B41/007—Weight compensation; Temperature compensation; Vibration damping

Definitions

  • a portable power tool is known from EP 2 000 267 B1, comprising a machine housing, a coupling housing connected to the machine housing and a damping unit arranged between the machine housing and the coupling housing, which is intended to transmit vibrations and / or vibrations to one to dampen with the coupling housing coupled energy storage unit, wherein an electronic unit is arranged in the machine housing.
  • a handheld power tool is known from US 2014/0326477 AI, which has a machine housing designed as an outer housing and a housing designed as an inner housing, vibration-damped connected to the machine housing coupling housing.
  • a hand tool which has a machine housing designed as an inner housing and designed as an outer housing, vibration-damped connected to the machine housing coupling housing.
  • a hand tool in particular a Oszillationshandwerkmaschine, with a drive unit, with at least one formed as an outer housing machine housing, in which the drive unit is received, with at least one outer housing designed as a further and in an assembled state, in particular in a connection region, connected to the machine housing coupling housing, which is provided for coupling to a, advantageously for supplying the drive unit ,
  • Energy storage unit is provided with an electronic unit, which is at least partially, preferably at least a large part and particularly preferably completely disposed within the coupling housing, and with a damping unit, which during operation of the drive unit, a transmission of vibrations and / or vibrations from the machine housing to the coupling housing at least partially attenuates.
  • the term "provided” is to be understood in particular to be specific, designed and / or equipped.Assuming that an object is intended for a specific function should in particular mean that the object fulfills this specific function in at least one application and / or operating state and At least 55%, advantageously at least 65%, preferably at least 75%, particularly preferably at least 85% and particularly advantageously at least 95% are to be understood as meaning "at least a large part”.
  • the hand tool can be designed as any, advantageously electrically trained, particularly advantageous oscillating, hand tool, such as a gardening tool, a drill, a combination hammer, a drill and / or chisel, a drill, a cordless screwdriver, as a battery drill, as a milling machine, as a planer, as a saw and / or as a grinding machine or the like.
  • the portable power tool is preferably designed as a multifunction hand-held power tool and particularly preferably as a multi-function oscillating hand tool.
  • the traction tractor can also at least one, in particular with the drive unit operatively connected, processing unit, at least one, in particular at least teilwei- se, preferably at least a large part and particularly preferably completely, within the machine housing arranged, further electronic unit and / or the, advantageously comprise as a battery pack and / or as a battery pack formed energy storage unit.
  • processing unit is intended In particular, a unit can be understood which is provided in particular at least for receiving at least one machining tool and / or has at least one machining tool.
  • the processing unit could be, in particular by means of the drive unit, linear, rotatable and / or rotationally driven.
  • the processing unit is preferably designed as an oscillation unit and, in particular by means of the drive unit, oscillating, in particular in a reciprocating motion over a defined angular range, driven.
  • an "outer housing” should be understood to mean, in particular, a housing in which at least 50%, advantageously at least 60%, preferably at least 70%, particularly advantageously at least 80% and particularly preferably at least 90%, of an entire housing surface of the outer housing of an environment of the handheld power tool
  • at least 50%, advantageously at least 60%, preferably at least 70%, particularly advantageously at least 80%, and particularly preferably at least 90% are at least 50% and / or from the outside.
  • the at least one electrical and / or electronic component can in this case be subjected to vibrations and / or transmitted to the at least one electrical and / or electronic component, in particular
  • the electronics unit is designed as an electronic circuit board and / or as an electronic board.
  • a "damping unit” in particular a unit, in particular with at least one damping element to be understood, which is intended, in particular mechanical, vibrations and / or vibrations of the machine housing on the coupling housing, which in particular of the drive unit and / or the Machining unit on the Machine housing to be transmitted, at least partially attenuate and in particular reduce.
  • the damping unit and / or the at least one damping element is preferably arranged between the machine housing and the coupling housing and advantageously in the connection area.
  • the damping unit and / or the at least one damping element contacts the machine housing and / or the coupling housing directly, in particular in at least one application state and advantageously permanently.
  • the machine housing and / or the coupling housing preferably has at least one receiving recess, in particular adapted to a shape and / or contour of the damping element, for the at least one damping element.
  • the at least one damping element is flexibly and advantageously elastically formed and in particular consists at least partially, preferably at least to a large extent and particularly preferably completely, of a flexible and advantageously elastic material.
  • an "elastic object” should be understood to mean, in particular, an object which has at least one partial region and / or at least one part which, in a normal operating state, at least in its position by at least 0.1 cm, preferably by at least 0.5 cm, and particularly preferably by at least 1 cm, is elastically changeable, and which in particular produces a counterforce which is dependent on a change in position and preferably proportional to the change, which counteracts the change, in particular, the elastic object is deformable, in particular damage-free, deformable
  • the flexible and advantageously elastic material may in particular be a silicone, an elastomer, a thermoplastic, a rubber, in particular synthetic rubber and / or advantageously natural rubber, and / or a rubber-like material Be material
  • the damping unit advantageously comprises several, in particular at least two, at least four and / or at least six, preferably at least substantially identical, damping elements.
  • At least substantially identical objects are meant in particular objects which have at least substantially identical outer shapes to each other, but in particular in at least one feature, such as an internal structure, a shape material and / or functioning may differ from one another.
  • the objects which are at least substantially identical in construction are preferably identical to one another, apart from manufacturing tolerances and / or within the scope of production engineering possibilities and / or within the scope of standardized tolerances.
  • an efficiency in particular a construction space efficiency, a component efficiency, a life efficiency, an environmental efficiency and / or a cost efficiency, can be improved by a corresponding configuration of the handheld power tool.
  • a vibration damping of an electronic unit and an energy storage unit can be achieved, which advantageously extends a service life of the electronic unit and the energy storage unit.
  • acting on a user vibrations and / or vibrations can be reduced, thereby advantageously an ease of use can be increased.
  • a service life and / or fatigue strength can be improved and / or wear minimized.
  • the electronic unit can be designed, for example, as control electronics for the drive unit, as control electronics for an operating unit, as control electronics for a display unit and / or as evaluation electronics for operation of the handheld power tool or the like.
  • the electronic unit is designed as control electronics for the energy storage unit and is provided in particular for controlling an operation and / or a supply of the energy storage unit.
  • the electronic unit advantageously has an operative connection, advantageously an electrical connection, with the energy storage unit in at least one operating state. In this way, in particular, a secure and advantageously vibration-damped connection between the energy storage unit and the electronics unit can be achieved.
  • the coupling housing surrounds the machine housing in a connection region, in particular between the coupling housing and the machine housing, in particular the aforementioned connection region, at least partially, preferably at least to a large extent and particularly preferably completely, whereby in particular a stability and / or or a space efficiency can be improved.
  • an assembly efficiency and / or a maintenance efficiency can be improved.
  • the coupling housing has at least two, advantageously exactly two, mutually separable coupling housing parts, in particular an advantageously simple mounting of the coupling housing to the machine housing and / or an advantageously simple mounting of the damping unit can be achieved.
  • the machine housing has at least two, advantageously exactly two, mutually separable machine housing parts.
  • the machine housing and / or the coupling housing preferably have a shell construction.
  • each of the coupling housing parts and / or machine housing parts is associated with at least one of the damping elements of the damping unit.
  • the coupling housing at least two coupling housing parts which can be separated from one another in a first separating direction, in particular the coupling housing parts already mentioned above, and the machine housing at least two machine housing parts which can be separated from one another in a second separating direction different from the first separating direction, in particular those already described above said machine housing parts having.
  • the first separation direction is aligned at least substantially perpendicular to the second separation direction.
  • the expression "at least substantially perpendicular” is intended in particular to define an orientation of a direction relative to a reference direction, the direction and the reference direction, in particular in one plane, having an angle, in particular between 82 ° and 98 °, advantageously between 85 ° and 95 ° and particularly preferably between 88 ° and 92 °, which in particular further simplifies assembly and / or further improves stability.
  • a particularly high space efficiency and / or user-friendliness, in particular by reducing vibrations and / or vibrations, can be achieved, in particular, if the coupling housing has at least one grip area, advantageously rear area and / or handle area facing away from the processing unit, in particular for guiding and / or holding of the power tool, defined.
  • the machine housing defines at least one further gripping region, advantageously front and / or gripping region facing the processing unit, in particular for guiding and / or holding the handheld power tool, whereby in particular an advantageous weight distribution and / or guidance of the handheld power tool can be achieved ,
  • the damping unit could for example comprise at least one at least substantially conical, truncated conical, spherical and / or hemispherical formed damping element.
  • the damping unit comprises at least one damping element, which is at least substantially cylindrical, in particular circular cylindrical, is formed.
  • all the damping elements of the damping unit are at least substantially cylindrical, in particular circular cylindrical, formed.
  • the damping element and / or the damping elements are hollow cylinder-shaped.
  • an "at least substantially cylindrical" object is to be understood as meaning, in particular, an object which deviates from a cylindrical reference object with a volume fraction of at most 30%, preferably not more than 20% and particularly preferably not more than 10% especially for the
  • the handheld power tool has at least one of the machine housing and the coupling housing separately trained, advantageously pin-shaped, aligning which is intended to align at a compound of the machine housing and the coupling housing, the machine housing and the coupling housing relative to each other.
  • the alignment element is arranged in the connection region.
  • the alignment is at least in an assembled state non-positively and / or positively connected to the machine housing and / or the coupling housing, advantageously by means of a clamping connection and / or a screw connection.
  • an alignment element may alternatively be formed integrally with a machine housing and / or a coupling housing.
  • integral is to be understood as meaning, in particular, at least materially bonded and / or formed with each other
  • the adhesive bond can be produced, for example, by an adhesive process, an injection process, a welding process, a soldering process and / or another process
  • this is a piece of a single blank, a mass and / or a casting, such as in an extrusion process, in particular a one- and / or multi-component extrusion process, and In this way, in particular, an advantageous assembly and / or alignment of the components during assembly can be achieved.
  • damping unit comprises at least one damping element which directly contacts the machine housing, the coupling housing and the alignment element in the mounted state.
  • damping unit in the mounted state contact the
  • a method for damping a hand tool in particular a Oszillationshandwerkmaschine, proposed, the hand tool, a drive unit, at least one designed as an outer housing machine housing in which the drive unit is received, at least one formed as another outer housing and in an assembled state, in particular in one Connecting region, coupled to the machine housing coupling housing, which is provided for coupling with a, advantageously provided for supplying the drive unit, energy storage unit, and an electronic unit which at least partially, preferably at least a large part and particularly preferably completely disposed within the coupling housing is, where during operation of the drive unit, transmission of vibrations and / or vibrations from the machine housing to the coupling housing, in particular by means of a damping unit, is at least partially damped.
  • an efficiency in particular a construction space efficiency, a component efficiency, a life efficiency, an environmental efficiency and / or a cost efficiency can be improved.
  • a vibration damping of an electronic unit and an energy storage unit can be achieved, whereby advantageously a life of the electronic unit and the energy storage unit can be extended.
  • acting on a user vibrations and / or vibrations can be reduced, thereby advantageously an ease of use can be increased.
  • a service life and / or fatigue strength can be improved and / or wear minimized.
  • the hand tool and the method for damping the power tool should not be limited to the application and embodiment described above.
  • the handheld power tool and the method for damping the handheld power tool for performing a function described herein may have a different number from a number of individual elements, components and units mentioned herein.
  • Fig. 1 is designed as Oszillationshandwerkmaschinemaschine
  • Hand tool in an exterior view 2 shows the hand tool in a partial exploded view
  • FIG. 3 shows a detailed view of the hand tool
  • Fig. 4 is a longitudinal section through a connecting region of the power tool
  • FIG. 5 shows a further detailed representation of the power tool in the sectional view from FIG. 4.
  • FIG. 1 shows a handheld power tool 10 in a schematic representation.
  • the hand tool 10 is designed as Oszillationshandwerkmaschine.
  • the hand tool 10 is designed as a multi-functional hand-crafting machine and in particular optionally provided for a grinding, a milling, a sawing, a cutting and / or a rasping.
  • the hand tool 10 is designed to be operated by a motor. In the present case, the hand tool 10 is designed as an electric hand tool.
  • the hand tool 10 is wireless and thus in particular battery operated and / or battery operated.
  • a hand tool as any other hand tool, such as a hammer drill, a chisel hammer, a percussion drill, a demolition hammer, a drill, a milling machine, a saw, a cordless screwdriver and / or gardening equipment or the like.
  • a handheld power tool wired and thus in particular mains powered.
  • the hand tool 10 includes a housing unit 46.
  • the housing unit 46 forms an outer housing of the power tool 10. Within the housing unit 46 are at least a majority of the for operation of the
  • Hand tool 10 required components arranged.
  • the housing unit 46 comprises a machine housing 14.
  • the machine housing 14 is designed as an outer housing.
  • the machine housing 14 forms in the present case a front part of the power tool 10.
  • the machine housing 14 is further formed in at least two parts and comprises two machine housing parts 34, 36.
  • the machine housing parts 34, 36 have a shell construction.
  • the machine housing parts 34, 36 are formed as housing shells.
  • the machine housing parts 34, 36 are formed separable from each other. In the present case, the machine housing parts 34, 36 are separable from one another in a separating direction 32.
  • the machine housing parts 34, 36 are thus at a separation and / or a connection in the
  • Separating direction 32 movable.
  • the separating direction 32 is aligned in the present case perpendicular to a working plane and / or a substrate. Accordingly, the machine housing parts 34, 36 have a horizontal separation plane.
  • the machine housing 14 defines a handle portion 40.
  • the handle portion 40 is formed as a guide handle portion.
  • the grip region 40 is arranged on a side of the handheld power tool 10 facing a front region.
  • the grip region 40 is provided at least essentially for guiding the handheld power tool 10.
  • a separating direction could also be aligned parallel to a working plane and / or a ground.
  • a machine housing could be formed in three parts and / or four parts.
  • a machine housing could in principle be formed in one piece and / or in one piece.
  • a machine housing and / or at least one machine housing part could also have a pot construction or a combination of shell construction and pot construction.
  • a machine housing has an additional gripping element for holding and / or guiding a handheld power tool and / or that an additional gripping element for holding and / or guiding the handheld power tool can be fastened to the machine housing.
  • the housing unit 46 includes a coupling housing 16.
  • the coupling housing 16 is formed as an outer housing.
  • the coupling housing 16 is formed separately from the machine housing 14.
  • the coupling housing 16 forms in the present case a rear part of the power tool 10.
  • the coupling housing 16 is provided for coupling to an energy storage unit 18.
  • the coupling housing 16 has an interface 48 to a connection of the, in the present case, in particular designed as a battery pack, energy storage unit 18.
  • the coupling housing 16 moreover, at least a majority of the components required for operation of the energy storage unit 18 are arranged.
  • the coupling housing 16 is connected to the machine housing 14 in an assembled state.
  • the coupling housing 16 is connected to the machine housing 14 in a connecting region 24, which is arranged in the present case in particular at least essentially centrally with respect to the handheld power tool 10.
  • the coupling housing 16 completely surrounds the machine housing 14.
  • the coupling housing 16 is further formed in at least two parts and comprises two coupling housing parts 26, 28 (see also FIG.
  • the coupling housing parts 26, 28 have a shell construction.
  • the coupling housing parts 26, 28 are formed as housing shells.
  • the coupling housing parts 26, 28 are formed separable from each other. In the present case, the coupling housing parts 26, 28 can be separated from one another in a further separating direction 30 (cf., FIG. 2).
  • the coupling housing parts 26, 28 are thus movable to a separation and / or to a connection in the further separating direction 30.
  • the further separating direction 30 is different from the separating direction 32.
  • the further separating direction 30 is aligned perpendicular to the separating direction 32.
  • Separation direction 30 is aligned in the present case parallel to the working plane and / or the ground. Accordingly, the coupling housing parts 26, 28 have a vertical separation plane. In addition, the coupling housing 16 defines another grip area
  • the further handle portion 38 is formed as a main grip area.
  • the further grip region 38 is arranged on a side of the handheld power tool 10 facing away from the front region.
  • the further grip region 38 is provided at least essentially for holding the handheld power tool 10.
  • another separating direction could also be vertical be aligned to a working plane and / or a ground.
  • a coupling housing could be formed in three parts and / or four parts.
  • a coupling housing could in principle be formed in one piece and / or in one piece.
  • a coupling housing and / or at least one coupling housing part could also have a pot construction or a combination of shell construction and pot construction.
  • a coupling housing has an additional gripping element for holding and / or guiding a handheld power tool and / or that an additional gripping element for holding and / or guiding the handheld power tool can be fastened to the coupling housing.
  • the handheld power tool 10 additionally comprises at least one alignment element 44 (cf., in particular, FIG.
  • the handheld power tool 10 comprises two alignment elements 44, wherein in particular in FIGS. 2 to 5, for the sake of clarity, only one of the alignment elements 44 is provided with a reference numeral.
  • the alignment elements 44 are formed separately from the machine housing 14.
  • the alignment elements 44 are formed separately from the coupling housing 16.
  • the alignment elements 44 are made of metal.
  • the alignment elements 44 are at least substantially identical to one another.
  • the alignment elements 44 are also formed pin-shaped.
  • the alignment elements 44 are at least substantially hollow cylinder-shaped. In the present case, the alignment elements 44 are formed as centering pins.
  • the alignment elements 44 are at least provided to align the machine housing 14 and the coupling housing 16 relative to one another at a connection of the machine housing 14 and the coupling housing 16.
  • the alignment elements 44 are positively and / or positively connected to the machine housing 14.
  • the alignment elements 44 are connected in the mounted state by means of a clamping connection with the machine housing 14.
  • each of the alignment elements 44 comprises an internal thread which serves to receive a screw connection element 66.
  • the alignment elements 44 are thus provided for attachment of the coupling housing 16 to the machine housing 14.
  • the alignment elements 44 are aligned in the mounted state such that a respective main extension direction of the alignment elements 44 is parallel to the further separation direction 30.
  • the alignment elements 44 are offset from each other in the separation direction 32.
  • a handheld power tool could also comprise exactly one alignment element and / or a plurality, in particular at least three, at least four and / or at least five, alignment elements.
  • at least one alignment element could also be made of plastic.
  • at least one alignment element may be formed integrally with a machine housing and / or a coupling housing.
  • At least one alignment element is designed as a full element and / or solid profile.
  • the hand tool 10 further has a processing unit 50 (see FIG.
  • the processing unit 50 is arranged in the front region of the handheld power tool 10.
  • the processing unit 50 is arranged in a front region of the machine housing 14.
  • the processing unit 50 is at least partially disposed within the machine housing 14.
  • the processing unit 50 includes at least one processing tool receptacle which is provided for receiving a processing tool.
  • the machining tool is provided in the present case for a machining of workpieces.
  • a processing unit directly corresponds to a processing tool.
  • the handheld power tool 10 comprises a drive unit 12.
  • the drive unit 12 is arranged within the machine housing 14.
  • the drive unit 12 comprises a motor 60, in the present case in particular an electric motor.
  • the drive unit 12 further comprises a gear 62, in the present case, in particular an oscillating gear.
  • the drive unit 12 is in operative connection with the processing unit 50.
  • the drive unit 12 is provided for oscillating the processing unit 50, in particular in a reciprocating movement over a defined angular range.
  • an engine of a drive unit as an internal combustion engine and / or hybrid engine.
  • a transmission could basically be different from an oscillating transmission.
  • the hand tool 10 also includes an electronics unit 20.
  • the electronics unit 20 is formed as an electrical and / or electronic unit.
  • the electronic unit 20 is formed as an electronic board.
  • the electronics unit 20 is completely disposed in the coupling housing 16.
  • the electronics unit 20 is designed as control electronics.
  • the electronic unit 20 is designed in the present case as control electronics for the energy storage unit 18 and in particular for controlling an operation and / or supply of the energy storage unit 18 is provided. Accordingly, the electronic unit 20 has an electrical connection to the energy storage unit 18 in at least one operating state.
  • an electronics unit could also be designed as control electronics for a drive unit and / or as evaluation electronics.
  • the handheld power tool 10 comprises a damping unit 22 (see in particular FIG.
  • the damping unit 22 is arranged between the machine housing 14 and the coupling housing 16.
  • the damping unit 22 is arranged in the connection region 24. The damping unit 22 contacts the machine housing 14 and the coupling housing 16 directly.
  • the damping unit 22 is provided to at least partially damp transmission of vibrations and / or vibrations from the machine housing 14 to the coupling housing 16 during operation of the drive unit 12.
  • the damping unit 22 comprises at least one damping element 42.
  • the damping unit 22 comprises four damping elements 42, wherein in particular in Figures 2 to 5, for clarity, only one of the damping elements 42 is provided with reference numerals.
  • the damping elements 42 are at least substantially identical.
  • the damping elements 42 are cylindrical, in the present case in particular circular cylindrical, formed.
  • the damping elements 42 are also formed as a hollow cylinder.
  • the damping elements 42 are also designed to be flexible.
  • the damping elements 42 are formed deformable.
  • the damping elements 42 are elastic and are made entirely of an elastic material.
  • the damping elements 42 are made of a damping material. In the present case, the damping elements 42 are made of rubber.
  • the damping elements 42 contact the machine housing 14, the coupling housing 16 and at least one of the alignment elements 44 directly.
  • two of the damping elements 42 are arranged with respect to the further separation direction 30 on opposite sides of the power tool 10.
  • the damping elements 42 are arranged completely within the coupling housing 16.
  • the damping elements 42 are arranged between an inner side of the coupling housing 16 and an outer side of the machine housing 14, in particular clamped.
  • the machine housing 14 in this case has a plurality of, in the present case in particular four, corresponding to the damping elements 42 receiving recesses 64, wherein in the mounted state in each of the receiving recesses 64 of the damping elements 42 is arranged (see, in particular Figure 3).
  • each of the alignment elements 44 are associated with two of the damping elements 42.
  • the damping elements 42 completely surround the respective alignment element 44.
  • the damping element 42 is arranged in one of the receiving recesses 64 of the machine housing 14. In this case, contacted a first top surface 68 of the
  • an outer side surface 70 of the damping element 42 contacts the machine housing 14.
  • the outer side surface 70 of the damping element 42 contacts the machine housing 14 at least over part of an entire extent of the damping element 42.
  • the damping element 42 surrounds one of the alignment elements 44 completely.
  • an inner side surface 72 of the damping element 42 contacts the alignment element 44.
  • the inner side surface 72 of the damping element 42 contacts the alignment element 44 over an entire extent of the damping element 42.
  • a damping unit could also have a different number of damping elements, such as exactly one damping element and / or two damping elements and / or at least six damping elements.
  • at least one damping element could have a different shape from a cylinder and be formed, for example, frustoconical.
  • at least one damping element could in principle also consist of silicone and / or a thermoplastic.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Auxiliary Devices For Machine Tools (AREA)
  • Vibration Prevention Devices (AREA)

Abstract

La présente invention concerne une machine-outil portative (10), notamment une machine-outil portative à oscillations, comprenant : une unité d'entraînement (12) ; au moins un boîtier de machine (14) se présentant sous la forme d'un boîtier extérieur dans lequel est logée l'unité d'entraînement (12) ; au moins un boîtier de couplage (16) qui se présente sous la forme d'un autre boîtier extérieur, est relié au boîtier de machine (14) dans l'état de montage et sert au couplage avec une unité d'accumulation d'énergie (18) ; une unité électronique (20) qui est disposée au moins en partie à l'intérieur du boîtier de couplage (16) ; et une unité d'amortissement (22) qui lors du fonctionnement de l'unité d'entraînement (12) empêche au moins en partie la transmission des vibrations et/ou des oscillations du boîtier de machine (14) au boîtier de couplage (16).
PCT/EP2017/067977 2016-08-22 2017-07-17 Machine-outil portative et procédé pour amortir les vibrations d'une machine-outil portative WO2018036720A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP17745148.1A EP3500405B1 (fr) 2016-08-22 2017-07-17 Machine-outil portative et procédé pour amortir les vibrations d'une machine-outil portative
CN201780065221.9A CN109863001B (zh) 2016-08-22 2017-07-17 手持式工具机和用于对手持式工具机进行阻尼的方法

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102016215660.8 2016-08-22
DE102016215660.8A DE102016215660A1 (de) 2016-08-22 2016-08-22 Handwerkzeugmaschine und Verfahren zur Dämpfung einer Handwerkzeugmaschine

Publications (1)

Publication Number Publication Date
WO2018036720A1 true WO2018036720A1 (fr) 2018-03-01

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Application Number Title Priority Date Filing Date
PCT/EP2017/067977 WO2018036720A1 (fr) 2016-08-22 2017-07-17 Machine-outil portative et procédé pour amortir les vibrations d'une machine-outil portative

Country Status (4)

Country Link
EP (1) EP3500405B1 (fr)
CN (1) CN109863001B (fr)
DE (1) DE102016215660A1 (fr)
WO (1) WO2018036720A1 (fr)

Cited By (1)

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Publication number Priority date Publication date Assignee Title
US11890740B2 (en) 2021-06-09 2024-02-06 Black & Decker Inc. Battery pack isolation system

Families Citing this family (5)

* Cited by examiner, † Cited by third party
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EP3500405A1 (fr) 2019-06-26
CN109863001B (zh) 2022-08-02
EP3500405B1 (fr) 2020-12-16
DE102016215660A1 (de) 2018-02-22

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