CN103659541B

CN103659541B - Replaceable cutter, tool holder, hand-held tool and tool system

Info

Publication number: CN103659541B
Application number: CN201310406927.0A
Authority: CN
Inventors: M·博齐克
Original assignee: Robert Bosch GmbH
Current assignee: Robert Bosch GmbH
Priority date: 2012-09-10
Filing date: 2013-09-09
Publication date: 2017-08-22
Anticipated expiration: 2033-09-09
Also published as: CN103659541A; DE102012215950B4; DE102012215950A1

Abstract

The present invention relates to a kind of hand-held tool for being used to drive with motor（101,128）The replaceable cutter used（114）, there is the flange that reclines provided with one on the hand-held tool（138）Tool holder（150）For being removably secured replaceable cutter（114）.The flange that reclines is located at the first fixed pan with least one（151）In carrying piece（112）.The replaceable cutter（114）It is used for one by replaceable cutter（114）It is arranged in the flange that reclines（138）On flange region（144）, the flange region is with least one positioned at first flange plane（146）In, can be formed and carrying piece（112）Act on the receiving element of connection（112’）, wherein, the carrying piece（112）It is configured to one and protrudes past the first fixed pan（151）And thus there is the shape sealed element and the receiving element of positive pole（112’）Be configured to it is corresponding with positive pole, sink to first flange plane（146）In shape sealed element.The carrying piece in conversion（112）It is configured to one and sinks to the first fixed pan（151）In and thus with negative pole shape sealed element and the receiving element（112’）Be configured to it is corresponding with negative pole, protrude past first flange plane（146）Shape sealed element.It is proposed that, in replaceable cutter（114）Flange region（144）In be additionally provided with least one additional receptive part（152）, it has one and at least one described receiving element（112’）Opposite pole.

Description

Replaceable cutter, tool holder, hand-held tool and tool system

Technical field

The present invention relates to a kind of replaceable cutter, especially excision and/or cutting tool, for motor drive it is hand-held Formula instrument is used；A kind of tool holder for being used to be removably secured replaceable cutter；A kind of hand-held tool and one kind Tool system.

Background technology

Disclose a kind of with least one flange region with rotation carrying piece by the A1 of DE 10 2,004 050 798 Replaceable cutter, for by be set with and it is fixed, especially by dogbolt screw be removably attached to it is same by Tool holder known to the A1 of DE 10 2,004 050 798.Use is set in tool holder to replaceable cutter herein in other words Rotation axis is disposed about in the hand-held tool driven by motor to rotate in the working motion of rotational oscillation in other words. This, hand-held tool one tool system of formation of replaceable cutter and motor driving.

Tool holder clamps one on one substantially flat abutment face as known to the A1 of DE 10 2,004 050 798 Individual first fixed pan, the abutment face is arranged for arranging the flange region of replaceable cutter.Set herein in abutment face At least one cylindrical carrying piece, the carrying piece is in positive pole (positiven) in the sense that protrude past fixation Plane.Here, the carrying piece for being configured to volume is highlightedly constituted relative to abutment face.The flange region of replaceable cutter is herein There is one again towards tool holder, substantially flat surface, it is tensioned first flange plane.Set in the Flange Plane There is at least one receiving element, it is for example implemented in flange region with the shape of leaving a blank of trapezoidal or similar elongated hole.

If corresponding replaceable cutter is installed in known tool holder, they can be configured to by one The fixing device of fixing bolt substantially not rotatably and also axial restraint be stopped.If motor driving is hand-held One driver element of formula instrument is placed among operation now, then one is delivered on tool holder by driver element Substantially sagittal plane contacts the shape by least one cylindrical carrying piece to driving torque --- relative to rotation axis --- Shape is sealed to be delivered on the wall of receiving element, is delivered to by wall-wall-contact in the flange region of replaceable cutter.Herein Carrying piece and the shape of receiving element are matched mutually goodly, then torque transfer efficiency is higher.Here, transferable torque Numerical value can be improved by the quantity of the pairing of carrying piece and affiliated receiving element.The radial cut occurred in torque transmission To by known carrying piece-receiving element-to power stream substantially herein only one be located at flange region inside plane Middle extension.Here, flange region or the plane of another structural detail in the region of tool holder with hair described below A bright material layer or one vertical relative to rotation axis being relatively understood in flange region or other structures element The individual cross section band extended perpendicular to rotation axis.Size based on tool holder and flange region, herein except other Defect outside obtain the limitation in maximum transferable driving moment.Especially carrying piece-receiving element-to region in can Force density, the unit area of the especially license of respective material of maximum license for using are loaded by gauge.

In addition other tool systems of known similar type, it is restricted similarly.

The content of the invention

According to the present invention, it is proposed that a kind of replaceable cutter, for being used with the hand-held tool that motor drives, in the hand Holding formula instrument provided with one there is the tool holder for the flange that reclines to be used to be removably secured replaceable cutter, the method that reclines Orchid is located at the carrying piece in the first fixed pan with least one, wherein, the replaceable cutter is used for one will more Formula cutters layout is changed in the flange region on flange that reclines, there is the flange region at least one to be located in first flange plane , can be formed and act on the receiving element that is connected with carrying piece, wherein, the carrying piece is configured to one and protrudes past the first fixation Plane and thus with positive pole shape sealed element and the receiving element be configured to it is corresponding with positive pole, sink to Shape sealed element in first flange plane, or the carrying piece is configured to one and sinks to the first fixed pan in conversion In and thus with negative pole shape sealed element and the receiving element be configured to it is corresponding with negative pole, protrude past The shape sealed element of first flange plane, wherein, at least one is additionally provided with the flange region of replaceable cutter and additional is connect Addressee, it has a pole opposite with least one described receiving element.

Had the advantage that according to the replaceable cutter of the present invention, especially excision and/or cutting tool, i.e., one is protected in cutter Holder and according to the present invention replaceable cutter flange region between transmit torque when occur radial direction-tangential force stream can be at least Decomposed in two power plane of flows.This is accomplished by the following way, i.e., according to the present invention flange region except one be used for First extremely in the paired receiving element of carrying piece be externally provided with least one be used for one with first extremely it is opposite extremely in it is attached Plus the paired additional receptive part of carrying piece.

Removal tool is especially understood to a friction, abrasion or grinding knife tool herein, and one of them is provided for processing The working region of workpiece, which preferably has, at least to rub, denudes or grinding attachment, especially abrasion or grinding particle.Cutting tool exists This is especially understood to sawing and/or cutting tool, and it at least has in a working region for being provided for processing workpiece At least one blade.It is preferred that the blade has sawtooth.

The shape sealed element for being used for carrying piece and receiving element in the first positive pole to being especially appreciated that herein to take Part protrudes or projected in other words the volume of the first fixed pan of tool holder as projection, while one corresponding Receiving element be configured to flange region, especially according to the present invention replaceable cutter flange region Flange Plane in Dead slot, leave a blank or be open.In the first negative pole (negativen) in be used for the shape sealed of carrying piece and receiving element Element to being especially understood to the dead slot that carrying piece is configured in the first fixed pan of tool holder at this, leave a blank or open Mouthful, while corresponding receiving element is configured to protrude or projects over the flange region of the replaceable cutter according to the present invention The volume of Flange Plane.

By the embodiment of the flange region of the replaceable cutter according to the present invention, between carrying piece and receiving element First radially-tangential power stream is substantially in first plane, for example in flange region or in the patch of tool holder By element internal extension, and between additional carrying piece and additional receptive part second radially-tangential power stream is substantially one It is individual in another corresponding part, i.e., extension in the second plane either in the element that reclines or in flange region.This is outstanding It is for using with improve the moment of inertia (such as by larger sized working region) replaceable cutter for example with It is when the big blade length of saw blade is sunk to known to principle and/or on the hand-held tool with more efficient driver element Favourable.

As other advantages, the replaceable cutter constituted according to the present invention, which can not possibly be mistakenly used in, is not suitable for what it was used On hand-held tool, because additional receptive part, which restrained effectively, is being not suitable for being protected according to the cutter of prior art for its driving Fixation in holder.This is to have especially for the replaceable cutter with relative to the current increased the moment of inertia of prior art Meaning, because such replaceable cutter may damage the hand-held tool according to prior art.

The advantageous extension for the feature for obtaining providing in preceding solution by the measure listed in below illustrating and Improve.

Advantageous embodiments according to the flange region of the present invention can be accomplished by the following way, i.e., in flange region It is middle that at least two or more receiving elements are set.In conversion or addedly, can also be set in flange region at least two or More additional receptive parts.Thus the torque in flange region can be delivered to by advantageously improving maximum.Particularly advantageous here is, At least two or more receiving elements are not only set but also provided with least two or more additional receptive parts.Preferably, herein Receiving element is constituted identically in relation to each other respectively because be consequently formed relative to tool holder in its orientation it is adjustable according to this The configuration of the flange region of invention.But may also advantageously, at least one receiving element is configured to connect different from remaining Addressee, especially with a shape different from remaining receiving element, is protected so as to exclude flange region relative to cutter The determination orientation of holder.It it can still be advantageous to, in conversion or addedly, additional receptive part is constituted identically in relation to each other respectively, because For the configuration of so formation one adjustable flange region according to the present invention in its orientation relative to tool holder.But Being may also advantageously, and at least one additional receptive part is configured to be different from remaining additional receptive part, especially has The shape different from remaining additional receptive part, so as to exclude certain orientation of the flange region relative to tool holder.

In a preferred embodiment, what at least one described receiving element was disposed relative to replaceable cutter extends through method Rotation axis interval the first radial distance R1 in blue region.At least one described additional receptive part is disposed relative to rotation simultaneously Axis interval the second radial distance R2, it is different from the first radial distance.In particularly preferred embodiments, the second radial direction away from It is more than the first radial distance R1 from R2.In particular, at least one described additional receptive part be arranged on flange region, exterior circumference In region, be preferably provided at outer seamed edge, circumference or the shell surface of flange region nearby or on.By additional receptive part on rotation With the arrangement of cabling, one advantageously big, especially maximum possible the power stream for being used to occur in torque transmission is formed Lever arm, wherein, while advantageously reducing local force density and thus reducing unit area load.

In particularly preferred, can inexpensively the manufacture and firm implementation of the replaceable cutter according to the present invention In mode, at least one described receiving element is configured to the carrying piece mating reaction with positive pole.Preferably can be with this receiving element Be configured to dead slot, leave a blank or be open, such as with polygonal, similar elongated hole, oval or circular boundary line or shell surface. In addition in a preferred embodiment at least one described additional receptive part as protrude past Flange Plane, substantially at one it is near Like perpendicular to Flange Plane extend protrusion direction on extend, preferably pin-shaped, block or similar bar shaped shape sealed element Constitute.Be advantageously provided more than one, at least two, especially four, six or eight or particularly preferred 12 skies Groove.At least two, preferably three or four additional receptive parts can also be advantageously provided.

In a kind of preferred expanded configuration, at least one additional receptive part substantially hangs down at one relative to projection direction In straight lateral extensions there is at least one to leave a blank or dead slot.It is preferably arranged the folder with the fixing device of tool holder Tight element mating reaction is to fix replaceable cutter.This kind of fixing device herein can be for example with least one clamping member Part --- such as fishbolt, clamp arm or lever, can set wedge-shaped or hook-type a add ons thereon, wedge shape or The add ons of hook-type can be disposed thereon, and thus they may be fitted in leaving a blank in additional receptive part or dead slot and It can be limited or ideally be fixed in its movement.

In a kind of advantageously embodiment with low cost, at least one described additional receptive part and flange region one Implement on ground.Therefore, additional receptive part can be for example by manufacturing flange in forming step, such as punching press, bending, deformation Caused during domain by a blank or an interstage.

It is possible that advantageously, implement additional receptive part and flange region at least two parts.Thus, it is possible to favourable Material of the ground by different materials and/or with different qualities and/or the material in different machining states for example harden/and it is not hard Two parts are made in material in change state.Advantageously, at least one described additional receptive part material in locking manner, for example by viscous Connect, weld and/or soldering is connected with flange region.In conversion, additional receptive part can be connected through a screw thread or press-fit connection Force closure and/or shape sealed be connected with spacer flanger.

Another aspect of the present invention is related to a kind of replaceable knife for receiving according to the present invention driven for motor The tool holder of the hand-held tool of tool, it provided with least one be arranged in the first fixed pan or on the first pole take Moving part.Set on tool holder at least one that there is the additional carrying piece with the first extremely opposite pole according to the present invention.It is logical Cross according to the present invention tool holder can cause the particularly effective and firm reception of replaceable cutter because one The power stream being delivered in the operation of tool holder from tool holder on replaceable cutter is divided at least two component streams Footpath, they extend in different, successive plane, and one of plane is inside tool holder and the second plane Extend inside the flange region of replaceable cutter.

If the quantity of carrying piece and/or additional carrying piece is equal to or more than the reception of the replaceable cutter according to the present invention The quantity of part and/or additional receptive part, then replaceable cutter can be in different orientations, especially about rotation axis Received in angle orientation on tool holder.

Advantageously, a fixation for being used to be removably secured replaceable cutter is included according to the tool holder of the present invention Device, it has at least one clamping element --- such as one fishbolt, a clamp arm or lever.It is preferred that clamping member Part can act in this wise according to the present invention replaceable cutter additional receptive part at least one on so that improve, Especially strengthen the clamping action of fixing device.This can be for example accomplished by the following way, i.e., one is set on clamping element The add ons of individual wedge shape or configuration, it matches somebody with somebody with being allocated to its additional receptive part in this wise in the closed state of fixing device Cooperation is used so that a fixed force and/or additional receptive part shape sealed are acted on the additional receptive part in its motion Limited or be ideally approximately blocked in property.

In a kind of expansion scheme, at least according to the present invention tool holder an additional carrying piece on or in set Put one be used for can receive the replaceable cutter in tool holder, especially according to the present invention replaceable cutter it is mutual The arrangement detection means of effect.Arrangement detection means be especially interpreted to herein one it is mechanical, electromechanical, electromagnetism or with Other manner can electronic analysis sensor, it can recognize arrangement of the replaceable cutter on tool holder, especially proper When arrangement and/or fixation and can transfer one description arrangement states arrangement signal.In particular, arrangement signal can be made Be release signal be used in the hand-held tool of motor driving control and/or adjustment unit in, be particularly preferably used in motor In the control of the driver element of the hand-held tool of driving and/or adjustment unit.

In another aspect, have the present invention relates to one kind and drive with can surrounding rotation axis rotation and/or rotational oscillation According to the present invention tool holder hand-held tool.Preferably, setting one on the housing of hand-held tool is used for The operating unit of the fixing device of tool operating retainer.Further for hand-held tool particularly comfortable according to the present invention and Can the embodiment of safety operation one driver element for being used to drive the controllable of cutter holding device and/or regulation is set, It can be by arranging that the arrangement signal of detection means, especially release signal are changed or controlled.

Brief description of the drawings

Embodiments of the invention are shown in the drawings and elaborated in the following description.It shows：

Fig. 1 shows a hand-held with the carrying piece for being used for the fixed cutter that can be axially set with according to prior art Toolroom machine,

Fig. 2 shows the hand held power machine of Fig. 1 in the configuration of centering process,

Fig. 3 shows the sectional view in the region of the tool holder of the known hand held power machine according to Fig. 1,

Fig. 4 a and 4b show that the first of the replaceable cutter according to the present invention and the tool holder according to the present invention implements Mode,

Fig. 5 shows the sectional view in the region of the tool holder according to Fig. 4 a and 4b,

Fig. 6 shows the second embodiment of the replaceable cutter according to the present invention,

Fig. 7 shows the 3rd embodiment of the replaceable cutter according to the present invention,

Fig. 8 shows the hand held power machine of the fixing device with the tool holder according to the present invention and conversion,

Fig. 9 a show the second embodiment of the flange that reclines according to the present invention,

Fig. 9 b illustrate the detailed view of the flange that reclines according to Fig. 9 a with partial cross,

Fig. 9 c are shown when loading and fixing the replaceable cutter according to the present invention according to Fig. 9 b details

Figure 10 shows the expanded configuration of the hand held power machine according to Fig. 8,

Figure 11 shows the signal flow graph with arrangement detection means in the tool holder according to the present invention.

Embodiment

Fig. 1 shows with vibration, with can especially surrounding the rotational oscillation of rotation axis 15 powered known to one The hand held power machine 28 of drive shaft 16 is as the example of the handheld tool 1 of motorized motions, and the drive shaft passes through a ball bearing 30 and a needle bearing 32 be supported in one of hand held power machine 28 housing 34 for removing half in the view.Hand-held Toolroom machine 28 includes a motor being not shown here, and it drives an eccentric disc by a motor shaft, and one with driving The arm 36 that axle 16 is not connected rotatably is coupled in the eccentric disc, thus eccentric disc rotary motion produce arm 36 and by This drive shaft 16 surrounds the oscillating movement of rotation axis 15.

At one of drive shaft 16 from the end that housing 34 stretches out, hand held power machine 28 have one can for fixation Axially suit, it is also known that replaceable cutter 14 tool holder 50, the tool holder includes the patch of dish type The fixing device 42 of fishbolt 48 and a spring element 24 for being configured to disc spring are configured to by flange 38, one.Should Not relatively turnable and axial restraint the connection that device is used between replaceable cutter 14 and drive shaft 16, so as to drive The oscillating movement of axle 16 is converted into the oscillatory type oscillating motion 40 of replaceable cutter 14.

Replaceable cutter 14 has at least one flange region 44 and a working region 45.Here, the He of flange region 44 Working region 45 integratedly, especially can not only be constituted single-piece, and can be constituted with two-piece type or multi-piece type.Single-piece The embodiment of formula allows advantageously with low cost and simply fixes replaceable cutter 14, and the configuration of two-piece type or multi-piece type It can realize what particularly strong, service life length and/or with specific replaceable cutter 14 predetermined purposes matched Embodiment.

The flange 38 that reclines of tool holder 50 is with a circular abutment face extended perpendicular to drive shaft 16, at this 12 pin-shaped carrying pieces 12 with trapezoidal cross-section are arranged with being evenly distributed around rotation axis 15 altogether in abutment face On an angular range provided by whole circumference.One, which is for example also opened up, at the center for the flange 38 that reclines is configured to blind brill The centring element 10 (Fig. 2) with an internal thread being not shown here in hole is used to receive fixing bolt 42.

Carrying piece 12 is arranged in the radially outer of centring element 10 and protrudes past the circular abutment face for the flange 38 that reclines.Its On be disposed with shape sealed element 12 circular abutment face circle radius 18 herein be preferably greater than centring element 10 radius 20 Four times.Carrying piece 12 laterally have takes face 22, these take face on drive shaft 16 rotation axis radially outward and Axle is upwardly extended.

Replaceable cutter 14 is the part of a variety of serial possible plug-in type cutters, it include sunk saw blade, milling cutter, Grinding disc, cutting tool and other for embodiment known to technical staff and thus with the formation of hand-held tool 1,28 one Individual tool system 500.Flange region is same type in all cutters of the series or tool system 500, in flange region In 44, the known replaceable cutter 14 have 12 it is being arranged on a circle, be configured to dead slot or the receiving element in hole 12 ', they correspond to the carrying piece 12 reclined on flange 38.The receiving element 12 ' of known replaceable cutter 14, which corresponds to, to be taken The trapezoidal cross section of part 12.

In addition to the embodiment by the A1 carrying pieces 12 of DE 10 2,004 050 798 and corresponding receiving element 12 ', take Be used for and the other configurations that positive pole is matched of moving part 12 and receiving element 12 ' are known to technical staff or in a simple manner decoupled from The embodiment known is drawn.Therefore, carrying piece 12 for example do not limit it is general in the case of may be constructed such that cylinder or The projection of semi-cylindrical, and receiving element 12 ' is for example configured to elongated hole or oval dead slot.

Fig. 3 shows the known knife in the state of replaceable cutter 14 that is with reception and being fixed by fishbolt 48 Has the side sectional view in the region of reception device 50.As stated in the beginning, in the running status of hand-held tool 1,28, drive shaft 16 are driven around the rotational oscillation of rotation axis 15.Fig. 3 is shown in which the transient images of a motion cycle of drive shaft 16, Wherein drive shaft 16 rotates on direction of rotation 60.Here, the square upwards moment for signifying 62,64 in direction is passed through from the flange 38 that reclines By carrying piece 12, via receiving element 12 ', especially via the wall of receiving element 12 ' and the contacts side surfaces of carrying piece 12, especially It is the flange region that known replaceable cutter 14 is delivered to via the radial direction wall perpendicular to direction of rotation of receiving element 12 ' On 44.Direction signify 62,64 size in Fig. 3 view just as later in figure 6 herein preferably with torque value, especially It is with can maximum delivered torque it is associated.As shown in FIG. 3, from the carrying piece 12 for the flange 38 that reclines towards replaceable knife The torque of the carrying piece 12 ' of the flange region 44 of tool 14 is delivered in known embodiment herein substantially in flange region 44 Plane 44a in carry out.Here, the plane 44a of flange region is understood to one of flange region 44 perpendicular to rotation axis 15 material layer or the cross section band perpendicular to rotation axis 15.The tangential power stream of one radial direction occurred in torque transmission 44b extends at this in plane 44a extends through plane 44a in other words, wherein, the power current density in the region of carrying piece 12 ' It is especially high.

Replaceable cutter 114 according to the present invention and the cutter corresponding with replaceable cutter 114 according to the present invention are protected First preferred embodiment of holder 150 is shown in figs 4 a and 4b.For in above-mentioned known replaceable cutter 14 and relatively In the embodiment for the tool holder 50 answered, identical and/or effect identical feature are herein in the implementation according to the present invention The reference of increase by 100 is obtained in the following explanation of example.

Replaceable cutter 114 according to the present invention have the working region 145 that only partially shows in fig .4 with And a flange region 144 constituted according to the present invention.Working region 145 can preferably be similar to known excision or cut herein Cutter tool is constituted.But other configurations of working region 145 are known for technical staff or are contemplated that, and its is specific Design method does not influence on the core of the present invention.Therefore, this kind of embodiment of working region 145 should also be as by structure of the present invention Think included.Flange region 144 is implemented in the citing embodiment according to Fig. 4 a by elbow shape, wherein, flange region 144 There is an abutment face 146a substantially flat, in Flange Plane 146 at this.In the embodiment according to Fig. 4 a, Connect an elbow region 147 at least one direction on abutment face 146a.In the embodiment according to Fig. 4 a, work Region 145 and flange region 144 in two style or multi-piece type implement, wherein, working region 145 is in a join domain 145a In be connected with the elbow region 147 of flange region 144, especially material is in locking manner --- such as welding, soldering and/or viscous Connect --- and/or shape sealed and/or force closure connect.But may also advantageously, flange region 144 especially with The single-piece of working region 144, be especially integrally formed.Not other modifications not having by flange region 144 for technical staff The embodiment and/or the configuration of working region 145 of shape being different from shown in Fig. 4 a for having elbow draw, wherein, skill Art personnel are this by many shapes for being used to construct working region 145 known in the state of the art, but they are to present inventive concept Do not influence.Therefore the detailed description to these possibilities is saved herein.

Provided with the receiving element 112 ' for being configured to dead slot in the abutment face 146a of flange region 144.Receiving element 112 ' is herein Be preferably provided at one it is being kept essentially constant, relative to rotation or pivot center 115 radial distance R1 and preferably with equal Even angle interval α is arranged in abutment face 146a around rotation axis.In addition have according to the replaceable cutter 114 of the present invention One additional receptive part 152.Additional receptive part 152 is configured to the projection of flag shape herein, and it is substantially perpendicularly protruded past Flange Plane 146 or abutment face 146a.In the embodiment according to Fig. 4 a, additional receptive part 152 is arranged on abutment face herein On 146a edge, a shell surface preferably with one of flange region 144 section that gauge is surrounded by abutment face 146a is flushed Ground extends.Additional receptive part 152 is herein relative to axis 115 in a radial distance R2.It is preferred that R2 is more than R1, especially a R1 At least 1.5 times, at least 2 times of particularly preferably R1, most 4 times of particularly preferably R1.

By the such construction and arrangement of additional receptive part 152, it can be preferably by punching press-bending-technique in system It is formed in when making flange region 144 in flange region.One the second additional receptive part 152 and institute's diagram it is preferably opposite and because This is invisible in Fig. 4 a view.But other additional receptive parts 152 and/or additional receptive part can also be advantageously provided 152 are arranged in flange region 144 with being not parallel to each other, and preferably the first additional receptive part 152 and the second additional receptive part are herein An angle for being more than or equal to 90 ° can be pressed from both sides into.

Fig. 4 a also illustrate one of tool holder 150 and the flange region 144 of the replaceable cutter 114 according to the present invention The example of corresponding configuration.Tool holder 150 has flange 138 that reclines, it for example with one it is flat, positioned at the Stationary plane 151a in one fixed pan 151, preferably annular.Provided with least one, preferably two or more on stationary plane 151 Many carrying pieces 112.In the example according to Fig. 4 a, therefore provided with least eight carrying pieces 112, they are relative to rotation or rotate Axis 115 with uniform angle interval α is set with substantially the same radial distance R1 and preferably about rotation or pivot center Put on stationary plane 151.For example carrying piece 112 is configured to substantially cylindrical projection, and they protrude past the first fixation Plane 151 or stationary plane 151a.

The additional carrying piece 154 of total of four is provided with also in the stationary plane 151a of the example according to Fig. 4 a, wherein, it is additional to take The quantity of moving part should at least correspond to the quantity of additional receptive part 152, or even preferred corresponding replaceable cutter 114 is attached Plus the quantity of carrying piece 154 is bigger.In the example according to Fig. 4 a, additional carrying piece 154 is configured to dead slot, their preferred tools There are a substantial rectangular or polygonal cross section.Additional carrying piece 154 shapes in this wise herein so that what is accordingly arranged is attached Adjunction addressee 152 approximately fully and preferably substantially can be received wherein to shape sealed.Fig. 4 b show in addition, " base Shape sealed in sheet " especially should be understood to herein：Each additional carrying piece 154 and additional receptive part 152 have each other Corresponding contact surface 152a, 154a, they are set and/or are so constituted so that corresponding contact surface 152, The power stream of additional carrying piece 154 or torque can be delivered on additional receptive part 152 by 154a planars when contacting.

In order to which by driving replaceable cutter 114 according to Fig. 4 a tool holder 150, flange region 144 is necessary Deploy in this wise on the stationary plane for the flange 138 that reclines on direction 149 so that carrying piece 112 is coupled to corresponding reception While additional carrying piece 154 is surrounded with being attached the substantially shape sealed of carrying piece 152 in part 112 '.By carrying piece 112 The pairing constituted with corresponding receiving element 112 ' is located in positive pole each other in the example according to Fig. 4 a, and additional carrying piece 154 and additional receptive part 152 pairing each other be located at negative pole in.By hand-held tool 101,128 in figs 4 a and 4b not The fixing device 142 shown, the flange region 144 of replaceable cutter 114 is not substantially rotatably with axial restraint Fixation is clamped on tool holder 150 in other words.

Fig. 5 shows the tool holder 150 according to the present invention, similarly discloses, is disposed thereon with one with Fig. 4 a According to the present invention replaceable cutter 114, it is fixed on by fixing device 142 and reclined on flange 138.If cutter is kept Device 150 by a unshowned driver element rotationally and/or rotational oscillation around rotation or pivot center 115 driven It is dynamic, then the torque acted in drive shaft 116 is divided into substantially two power flow paths 156,158.First power flow path 156 exists Its torque share is delivered on receiving element 112 ' by this by carrying piece 112, wherein, connect from carrying piece 112 to corresponding Radial direction-tangential power the stream that passes through of addressee 112 ' is carried out in the plane 156a of flange region 144.Second power flow path 158 are delivered to its torque share on additional receptive part 152 by additional carrying piece 154, wherein, from additional carrying piece 154 Radial direction-tangential force the stream that passes through to corresponding additional receptive part 152 is carried out in the plane 138a for the flange 138 that reclines. Passing through carrying piece 112, --- receiving element 112 ' --- pairing and additional carrying piece 154 --- be additional receptive part 152-pairing Suitable design can be accomplished that a torque capacity being delivered to by drive shaft 116 on replaceable cutter 114 is divided into two The torque share of substantially the same size, they are transmitted by the first plane 156a and the second plane 138a.

Fig. 6 and 7 shows that shape is implemented in two conversion of the flange region 144 for replaceable cutter 114 according to the present invention Formula.They are different substantially on the configuration of receiving element 112 ' and additional receptive part 152.Therefore it is merely illustrative these areas below Not.On working method, these embodiments correspond to according to Fig. 4 a, 4b and 5 example, so that with reference to the description of there.

In the embodiment according to Fig. 6, four are provided only with the stationary plane of flange region 144 and is configured to connecing for dead slot Addressee 112 '.Flange region has two additional receptive parts 152 for being configured to elbow in addition, and they preferably can be by shaping work Skill, especially deep-drawing technique are constituted during manufacture flange region 144.But also can be a flange according to the present invention Only one or more than two this kind of additional receptive parts 152 are set on domain 144.The quantity of carrying piece 112 ' and/or its shape It can change, the core of the embodiment without being thereby deviating from this additional receptive part 152.Further it is also possible to advantageously, This or these additional receptive part 152 is formed in the add ons in flange region 144 first, is especially implemented as in manufacture In the postforming of flange region or the add ons installed.Unshowned corresponding tool holder 150 has one herein Corresponding with respective numbers, the i.e. suitable additional carrying piece 154 contiguously shaped with elbow face.For its moulding, quantity And arrangement, the identical measure as known to above example is known, so that with reference to their description.

The difference of embodiment according to Fig. 7 embodiment with describing before is that additional carrying piece 152 is configured to The pin of cylinder.They preferably can be by a material different from flange region and/or the material system taken on a different character Into.It is preferred that this kind of additional carrying piece 152 is by the way that material is sealed, such as bonding, soldering or the region for being welded on abutment face 146a In be connected with flange region 144.

Fig. 8 shows another embodiment party of the hand-held tool 101,128 with the tool holder 150 according to the present invention Formula, receives a replaceable cutter 114 according to the present invention in tool holder.The hand-held tool 101,128 of the example Basically by the fixing device 142 of conversion with mutually being distinguished according to the example of Fig. 1,2 and 5.Fixing device 142 includes one herein Clamping bolt 160, a clamp hook 162 in setting, especially construction or shaping on the end of the tool holder side of clamping bolt. The clamp hook 162 is arranged in a state closing, especially clamping of fixing device 142 at this by clamping force It is applied in this wise on a face 146b opposite with abutment face 146a so that replaceable cutter 114 is fixed on cutter holding In device 150.Can be on correspondingly operation operating unit 180 to the housing of hand-held tool 101,128 for this clamp hook 162 When be inserted through one around axis 115 extend run through opening 164.If now by a corresponding clamping force towards hand-held The direction of formula instrument 101,128 is applied in clamping bolt 160, then receiving element 112 ' strikes the beam in the portion that takes 112, and is added and connect Addressee 152 is coupled in additional carrying piece 154 and formed shape sealed.

In the expanded configuration according to the replaceable cutter 114 of the present invention and corresponding tool holder 150, at least one Individual additional receptive part 152 has one and additional left a blank or dead slot 166.This is left a blank or dead slot 166 is preferably provided at one herein In the lateral extensions substantially vertical relative to projection direction.It is preferably arranged herein for tool holder 150 The clamping element mating reaction of fixing device 142 is to fix replaceable cutter 114.For this Fig. 9 a to 9c show one citing Embodiment, it considers fixing device 142 of the handle modification according to Fig. 8.

Fig. 9 a illustrate a flange region with the vertical view towards the abutment face 146a with four additional receptive parts 152 144, at least one in this four additional receptive parts has one and left a blank or dead slot 166.Leave a blank or dead slot 166 is herein in the example Directly extend transversely through the horizontal stroke of additional receptive part 152 in son above abutment face 146a near abutment face 146a, preferably To extension size.It is preferred that this is left a blank or dead slot 166 is constituted in this squarish, but it can also advantageously cylindrically And/or conical constitute.

One part of corresponding abutment face 138 shows in figure 9b, wherein, only add the area for taking portion 154 Domain is illustrated.It is locking dead slot 168 to add and take portion 154 in this feature, and it is preferably provided near stationary plane 151a.Locking is empty Groove is especially arranged for allowing a clamping element 170 to be coupled to wherein and/or can pass through it.

Clamping element 170 is preferably the part of fixing device 142 herein.For example the clamping element 170 may be constructed such that Hook-shaped boss or projection in the region of Fig. 8 clamp hook 162.In conversion, clamping element 170 can be for example constructed For bolt or set, it is acted on fixing device 142 coordinates, so that it can be pressed into or be coupled to lock when fixing device 142 is locked In tight dead slot 168.It is preferred that it is forced out in the unlocked position of fixing device 142 from cooperation.

Fig. 9 c show the embodiment of a citing of clamping element 170 as the hook in locked position.Here, clamping Element 170 is coupled in locking dead slot.If now as shown in Fig. 9 c, a replaceable cutter 114 is with one according to figure 9a flange region 144 is coupled in the tool holder 150 according to Fig. 9 b, then clamping element 170 is also coupled to dead slot 166 Leave a blank or dead slot 166 in or preferably across it so that replaceable cutter 114 can additionally be locked at tool holder 150 In.

According to the present invention tool holder 150 a kind of preferred development configuration figure 10 illustrates.It is for example examined herein Consider the embodiment of the hand-held tool 101,128 according to Fig. 8, the description to their fundamental characteristics is eliminated herein.Relatively In the example according to Fig. 8, the difference of tool holder 150 is to arrange detection means 200, and it is arranged for identification according to this Arrangement of the replaceable cutter 114 on tool holder 150 of invention, especially appropriate arrangement, preferably one appropriate consolidate It is fixed.Appropriate arrangement or the fixed description side before this basis of especially replaceable cutter 114 in tool holder 150 The arrangement of formula or fixation, wherein, especially cause in carrying piece 112 --- receiving element 112 ' --- pair and additional carrying piece The connection of an each shape sealed of 154 --- the additional receptive parts 152 --- between.

Arrangement detection means 200 be arranged on herein at least one additional carrying piece 154 nearby, it is preferably adjacent, wherein, add Carrying piece 154 is not only configured to sink to or enter --- as shown in the example in figure --- herein to recline in flange 138 The shape sealed for negative pole shape sealed element, and be implemented as protruding or project over being used for for stationary plane 151a The shape sealed element of the shape sealed of positive pole.Here, arrangement detection means 200 can include one it is mechanical, electromechanical And/or the sensor unit of electronics, preferably it is made up of it.Therefore touching formula sensor device and/or Hall can be for example set Sensor and/or piezoelectric transducer.

In a preferred embodiment, arrangement detection means 200 is with a unshowned output unit in Fig. 10 210 connections, it is especially arranged for informing user's information of hand-held tool 101,128 by arrangement states.For this One signal generator, a signal lamp and/or a display screen can be for example set.

In another embodiment that is preferred, especially supplementing, arrangement detection means 200 is arranged for, and works as knowledge Do not go out arrangement of the replaceable cutter 114 on tool holder 150 according to the present invention, it is especially appropriate arrangement, preferably proper When fixation when, show one arrangement signal 202, especially release signal 204.The arrangement signal 202 can be used as release letter Numbers 204 are used to discharge driver element 260, the hand-held work of especially motor driving for example in control and/or adjustment unit 240 The starting of the motor of tool 101,128, so that only in the arrangement, especially appropriate of the replaceable cutter 114 according to the present invention Hand-held tool 101,128 can be just entered in operation when arrangement, preferably appropriate fixation.

The aid change for the example according to Figure 10 is shown for this Figure 11.Arrangement detection means 200 includes herein One sensor unit 201a and analysis and processing unit 201b.Analysis and processing unit 201b produces a corresponding arrangement signal 202nd, 204, they can be exported by output unit 210 and/or can be used to control to drive in control and/or adjustment unit 240 Moving cell 260.

Except the release for controlling driver element 260, arrangement signal can with it is correspondingly constituting, according to the present invention Replaceable cutter 114 combines the envelop of function --- such as oscillation characteristicses amount --- for the determination that also be used to make driver element 260 Coordinate with specific replaceable cutter 114.Therefore may for example meaningfully, replaceable cutter 114 with it is king-sized and/ Or the working region 145 of weight is driven only by an oscillatory driver for being limited to selected scope.Therefore according to the present invention The flange region 144 of composition can be with recline flange 138 and the arrangement detection means 200 1 according to the above description that accordingly constitute Rising is used to encode the classification of replaceable cutter 114, is selected with being adapted to these classifications again to be provided for oscillatory driver The scope gone out, it is possible thereby to advantageously avoid extreme running status.Above-described design of the present invention but whether Clearly it is limited to oscillatory driver, but can be similarly also used for being rotatably driven replaceable cutter 114.

The other extensions and modification of the present invention are provided especially by the combination in the feature illustrated before.These groups Close clearly included by present inventive concept.Present invention is also not necessarily limited to hand-held tool 101,128, their tool holder 150 have the carrying piece 112 of positive pole and the additional carrying piece 154 of negative pole, as in the example of detailed description.Structure of the present invention Think of can also be converted to the tool holder 150 of the opposite pole with carrying piece 112 and additional carrying piece 152 in a simple manner decoupled On.The embodiment only extended is adapted in the following manner, i.e., additional carrying piece 154 and affiliated additional carrying piece 152 All features must be converted on carrying piece 112 and receiving element 112 ', and vice versa, and this is not difficult for technical staff.

Claims

1. replaceable cutter (114), the hand-held tool (101,128) for being driven with motor is used, in the hand-held tool Provided with one there is the tool holder (150) for flange (138) that recline to be used to be removably secured replaceable cutter (114), The carrying piece (112) that flange is located at at least one in the first fixed pan (151) that reclines, wherein, the replaceable knife Tool (114) has a flange region (144) for being used to be arranged in replaceable cutter (114) on the flange that reclines (138), the method Blue region have at least one be located at it is in first flange plane (146), can be formed and the reception that is connected of carrying piece (112) effect Part (112 '), wherein, the carrying piece (112) is configured to one and protrudes past the first fixed pan (151) and thus have The shape sealed element and the receiving element (112 ') for having positive pole be configured to it is corresponding with positive pole, sink to first flange Shape sealed element in plane (146), or in conversion the carrying piece (112) be configured to one sink to the first fixation put down In face (151) and thus shape sealed element and the receiving element (112 ') with negative pole are configured to relative with negative pole Shape sealed element answering, protruding past first flange plane (146), it is characterised in that the method in replaceable cutter (114) At least one additional receptive part (152) is additionally provided with blue region (144), it has one and at least one described receiving element (112 ') opposite pole.

2. replaceable cutter according to claim 1, it is characterised in that at least two are provided with flange region (144) Or more receiving element (112 ') and/or additional receptive part (152).

3. replaceable cutter according to claim 2, it is characterised in that the receiving element (112 ') and/or additional receptive Part (152) respectively identically in relation to each other constitute or in conversion at least one be configured to be different from remaining receiving element (112 ') and/ Or additional receptive part (152).

4. replaceable cutter according to any one of claim 1 to 3, it is characterised in that at least one described receiving element Between the rotation axis (115) that (112 ') be disposed relative to replaceable cutter (114) one extends through flange region (144) Every the first radial distance R1, wherein, at least one described additional receptive part (152) is disposed relative to the rotation axis (115) A second radial distance R2 is spaced, second radial distance is different from the first radial distance R1.

5. replaceable cutter according to claim 4, it is characterised in that the second radial distance R2 is more than first radially Apart from R1.

6. replaceable cutter according to any one of claim 1 to 3, it is characterised in that at least one described receiving element (112 ') are configured to carrying piece (112) mating reaction with positive pole, wherein, at least one described additional receptive part (152) Be configured to one protrude past first flange plane (146), substantially in a projection vertical with Flange Plane (146) The shape sealed element that side is upwardly extended.

7. replaceable cutter according to claim 6, it is characterised in that at least one additional receptive part (152) is at one In substantially vertical lateral extensions there is at least one to leave a blank or dead slot (166) with projection direction.

8. replaceable cutter according to claim 6, it is characterised in that at least one additional receptive part (152) and flange Integratedly or in two style implement in region (144).

9. replaceable cutter according to claim 1, it is characterised in that the replaceable cutter is excision and/or cutting Cutter.

10. replaceable cutter according to claim 4, it is characterised in that at least one described additional receptive part (152) is set Put in the outer circumferential area of the flange region (144).

11. replaceable cutter according to claim 4, it is characterised in that at least one described additional receptive part (152) is set Put near outer seamed edge, circumference or the side face of flange region (144) or on.

12. replaceable cutter according to claim 6, it is characterised in that the shape sealed element pin-shaped, block shape or flag Construct to shape.

13. replaceable cutter according to claim 7, it is characterised in that it is described at least one leave a blank or dead slot (166) quilt Clamping element (170) mating reaction being provided for the fixing device (142) of tool holder (150) is replaceable to fix Cutter (114).

14. replaceable cutter according to claim 8, it is characterised in that all additional receptive parts (152) and flange Integratedly or in two style implement in domain (144).

15. the tool holder (150) of the hand-held tool (101,128) driven for motor, is used to receive root with one The flange that reclines (138) of (114) of the replaceable cutter any one of upper claim, is arranged with least one according to this In the first fixed pan (151) of the flange that reclines (138) or on, the carrying piece (112) of the first pole, it is characterised in that set There is at least one that there is the additional carrying piece (154) with the first extremely opposite pole.

16. tool holder (150) according to claim 15, it is characterised in that carrying piece (112) and/or additional take The quantity of moving part (154) is equal to or more than the reception of the replaceable cutter (114) according to any one of claim 1 to 14 The quantity of part (112 ') and/or additional receptive part (152).

17. the tool holder (150) according to claim 15 or 16, it is characterised in that one is used for removably admittedly The fixing device (142) of fixed replaceable cutter (114), it has at least one clamping element (170).

18. the tool holder (150) according to claim 15 or 16, it is characterised in that at least add and take at one On part (154) or it is middle set one be used for and a replaceable cutter that can be received in tool holder (150) (14,114) The arrangement detection means (200) of interaction.

19. tool holder (150) according to claim 17, it is characterised in that at least one described clamping element (170) additional receptive of the replaceable cutter (114) according to any one of claim 1 to 14 can be acted in this wise In at least one in part (152) so that the clamping action of fixing device (142) is enhanced.

20. tool holder (150) according to claim 19, it is characterised in that the clamping of the fixing device (142) Effect is reinforced.

21. tool holder (150) according to claim 18, it is characterised in that the replaceable cutter (14,114) It is the replaceable cutter according to any one of claim 1 to 14.

It is being rotated with one around rotation axis (115) and/or rotatable oscillatorily drive 22. hand-held tool (101,128) Dynamic, according to any one of claim 15 to 21 tool holder (150).

23. hand-held tool (101,128) according to claim 22, protects with cutter according to claim 17 Holder (150), it is characterised in that be used to operate fixing device provided with one in the housing of hand-held tool (101,128) (142) operating unit (180).

24. the hand-held tool (101,128) according to claim 22 or 23, is protected with cutter according to claim 18 Holder (150), it is characterised in that provided with a controllable and/or adjustable driving for being used to drive tool holder (150) Unit (260), the driver element can be by arranging that an arrangement signal (202) of detection means (200) is changed or controlled.

25. hand-held tool (101,128) according to claim 24, it is characterised in that described to arrange that signal (202) is One release signal (204).

26. tool system (500), including replaceable cutter (114) according to any one of claim 1 to 14 and according to The hand-held tool (101,128) of motor driving any one of claim 22 to 25.