CN103659541A - Changing tool, tool holder, hand tools and tool system - Google Patents
Changing tool, tool holder, hand tools and tool system Download PDFInfo
- Publication number
- CN103659541A CN103659541A CN201310406927.0A CN201310406927A CN103659541A CN 103659541 A CN103659541 A CN 103659541A CN 201310406927 A CN201310406927 A CN 201310406927A CN 103659541 A CN103659541 A CN 103659541A
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- receiving element
- flange
- formula cutter
- tool
- moving part
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- 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
- B24B23/005—Auxiliary devices used in connection with portable grinding machines, e.g. holders
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- 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
- B25F3/00—Associations of tools for different working operations with one portable power-drive means; Adapters therefor
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- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Cutting Devices (AREA)
- Jigs For Machine Tools (AREA)
- Gripping On Spindles (AREA)
Abstract
The invention relates to a changing tool (114) for use with a motor-driven hand tool (101, 128) which is provided with a tool holder (150) having a flange (138) for releasable fixing of the changing tool (114). The flange (138) has at least one carrier (112) in a first fixing plane (151). The changing tool (114) has a flange portion (144) for placing the changing tool ( 114) on the flange ( 138), the flange portion has at least one receiver (112') disposed in a first flange plane (146) and operatively connected to the carrier (112), the carrier (112) is configured to be a locking element notably exceeding the first fixing plane (151) and thus having a positive electrode shape, and the receiver (112') is configured to be a locking element in a shape corresponding to a negative electrode and notably exceeding the first flange plane (146). It is proposed that at least one additional receiving member (152) is further disposed in the flange portion (144) of the changeing tool (114) and has said at least one electrodes opposite to the at least one receiver (112').
Description
Technical field
The present invention relates to a kind of replacing formula cutter, especially excision and/or cutting tool according to independent claims type, for using with the hand-held tool of motor driving; A kind of tool holder for removably fixedly replacing formula cutter; A kind of hand-held tool and a kind of tool system.
Background technology
By DE 10 2,004 050 798 A1, disclose and a kind ofly there is at least one and there is the replacing formula cutter of flange region that moving part is taken in rotation, for by being set with and fix, being especially removably fixed on equally by the known tool holder of DE 10 2,004 050 798 A1 by screwing of dogbolt.Replacing formula cutter in other words tool holder is arranged at this hand-held tool driving by motor and is placed in the working motion that rotates rotational oscillation in other words around rotation.At this, change the tool system of hand-held tool formation that formula cutter and motor drive.
By the known tool holder of DE 10 2,004 050 798 A1, at one, substantially in flat abutment face, clamp first fixed pan, this abutment face is arranged for the flange region of arranging replacing formula cutter.In abutment face, at this, at least one columniform moving part of taking is set, this takes moving part at anodal (positiven
) meaning on the outstanding fixed pan that surpasses.At this, the moving part of taking that is configured to volume forms highlightedly with respect to abutment face.The flange region of replacing formula cutter this have again one towards tool holder, flat surface substantially, its tensioning the first Flange Plane.In this Flange Plane, be provided with at least one receiving element, it is for example implemented in flange region with the shape of leaving a blank trapezoidal or similar slotted hole.
If change accordingly formula cutter, be installed in known tool holder, they can by a fixture that is configured to set bolt substantially not rotatably and also axial restraint be stopped.If a driver element of the hand-held tool that motor drives is placed among operation now, one is delivered to driving torque on tool holder substantially by driver element so, and sagittal plane contact is by the sealed wall that is delivered to receiving element of at least one columniform shape of taking moving part, be delivered in the flange region of replacing formula cutter by wall-wall-contact---with respect to rotation---.This take the shape of moving part and receiving element mutually better mate, transmission of torque efficiency is just higher so.At this, the numerical value of transferable torque can improve by taking the quantity of the pairing of moving part and affiliated receiving element.The radial cut occurring in transmission of torque to the known moving part-receiving element-right power stream of taking that passes through substantially at this, only on a plane that is arranged in flange region inside, extend.At this, the plane of flange region or another structural detail is understood to the invention the following describes that relatively in flange region or other structural details one with respect to the vertical material layer of rotation or transversal wearing of extending perpendicular to rotation in the region of tool holder.Size based on tool holder and flange region obtains the restriction in the transferable driving moment of maximum except other defect at this.Especially in taking the region of moving part-receiving element-right the unit are load of the license of force density, the especially respective material of operational maximum license by gauge.
In addition other tool system of known similar type, it is subject to similar restriction.
Summary of the invention
According to of the present invention, there is the replacing formula cutter of independent claims feature, especially excision and/or cutting tool has advantage, occur that radially-tangential force stream can decompose at least two power plane of flows during a transmitting torque at tool holder and between according to the flange region of replacing formula cutter of the present invention.This realizes in the following manner, according to flange region of the present invention except one for first extremely take the paired receiving element of moving part, be provided with at least one for one with the first extremely contrary additional paired additional receiving element of moving part of taking extremely.
Removal tool is especially interpreted as friction, abrasion or a grinding knife tool at this, one of them working region that is provided for processing work preferably have at least rub, abrasion or grinding attachment, especially abrasion or grinding particle.Cutting tool is especially interpreted as sawing and/or cutting tool at this, and it at least has at least one blade in a working region that is provided for processing work.Preferably this blade has sawtooth.
In the first positive pole for taking the taking moving part outstanding or projection in other words surpasses the volume of the first fixed pan of tool holder as projection being especially interpreted as at this of shape latch members of moving part and receiving element, simultaneously corresponding receiving element be constructed to flange region, especially according to the dead slot in the Flange Plane of the flange region of replacing formula cutter of the present invention, leave a blank or opening.At the first negative pole (negativen
) in for take moving part and receiving element shape latch members to being especially interpreted as the dead slot taking moving part and be configured to the first fixed pan of tool holder at this, leaving a blank or opening, corresponding receiving element is constructed to outstanding or projection and surpasses according to the volume of the Flange Plane of the flange region of replacing formula cutter of the present invention simultaneously.
By according to the embodiment of the flange region of replacing formula cutter of the present invention, take first between moving part and receiving element radially-tangential power stream is substantially for example, in first plane, extend in flange region or at the element internal that reclines of tool holder, and additional take second between moving part and additional receiving element radially-tangential power stream substantially at one in corresponding another parts, in the second plane in the element that reclines or in flange region, extend.This replacing formula cutter of the moment of inertia (for example, by larger sized working region) that especially has raising for use is for example known for principle while sinking to the pit saw sheet length of saw blade and/or to have on the hand-held tool of more efficient driver element be favourable.
As other advantages, the replacing formula cutter forming according to the present invention can not be used in mistakenly and be not suitable on hand-held tool that its uses, because additional receiving element has suppressed effectively at fixing according on the tool holder of prior art that is not suitable for its driving.This is especially significant for the replacing formula cutter with the moment of inertia increasing with respect to current prior art, because such replacing formula cutter may damage the hand-held tool according to prior art.
Favourable expansion and the improvement of the feature that obtains providing in independent claims by the measure of listing in the dependent claims.
Favourable embodiment according to flange region of the present invention can be realized in the following manner, and at least two or more receiving elements are set in flange region.In conversion or addedly, at least two or more additional receiving elements also can be set in flange region.Advantageously improve thus maximum and can be delivered to the torque in flange region.At this particularly advantageously, two or more receiving elements be not only set at least but also be provided with at least two or more additional receiving elements.Preferably, this receiving element respectively mutually the same form because form thus adjustable according to the configuration of flange region of the present invention in its orientation with respect to tool holder.But also maybe advantageously, at least one receiving element is constructed to be different from remaining receiving element, especially there is a shape different from remaining receiving element, thereby can get rid of flange region with respect to definite orientation of tool holder.Also maybe advantageously, in conversion or addedly, additional receiving element forms respectively mutually the samely because form like this one adjustable according to the configuration of flange region of the present invention in its orientation with respect to tool holder.But also maybe advantageously, at least one additional receiving element is constructed to be different from remaining additional receiving element, especially has the shape different from remaining additional receiving element, thereby can get rid of flange region with respect to the certain orientation of tool holder.
In a preferred embodiment, described at least one receiving element is arranged to the rotation interval that extends through flange region the first radial distance R1 with respect to the formula of replacing cutter.Simultaneously described at least one additional receiving element is arranged to respect to rotation interval the second radial distance R2, and it is different from the first radial distance.In particularly preferred embodiments, the second radial distance R2 is greater than the first radial distance R1.In particular, described at least one additional receiving element be arranged on flange region, outer circumferential area in, be preferably arranged near outer seamed edge, circumference or the shell face of flange region or on.Layout by additional receiving element about rotation and cabling, forms an advantageously lever arm large, that especially the power for occurring in transmission of torque of maximum possible flows, wherein, advantageously reduces local force density and reduces thus unit are load simultaneously.
According to particularly preferred, that can manufacture inexpensively and the firm embodiment of replacing formula cutter of the present invention, described at least one receiving element be configured to positive pole take moving part mating reaction.At this receiving element, preferably can be configured to dead slot, leave a blank or opening, for example, there is polygonal, similar slotted hole, oval or circular boundary line or shell face.In addition described at least one additional receiving element surpasses Flange Plane as giving prominence in a preferred embodiment, in a protrusion direction of extending approximately perpendicular to Flange Plane, shape latch members that extend, that preferably sell shape, bulk or similar bar shaped forms substantially.Be advantageously provided and surpass one, at least two, especially four, six or eight or 12 dead slots particularly preferably.Can also be advantageously provided at least two, preferably three or four additional receiving elements.
In a kind of preferred expanded configuration, at least one additional receiving element has at least one and leaves a blank or dead slot in a laterally extending portion with respect to projection direction perpendicular.It is preferably set up with the clamping element mating reaction of the fixture of tool holder so that fixedly replacing formula cutter.This class fixture can for example have at least one clamping element at this---for example fishbolt, clamp arm or lever, an add ons wedge shape or hook-type can be set on it, the add ons of wedge shape or hook-type can be disposed thereon, they may be fitted in additional receiving element leave a blank or dead slot in and can in its movement, be limited or be fixed ideally thus.
In a kind of advantageously embodiment with low cost, described at least one additional receiving element and flange region are implemented integratedly.For this reason, additional receiving element can be for example by being caused by a blank or an interstage in forming step, for example punching press, bending, distortion during manufacturing flange region.
But likely advantageously, additional receiving element and flange region are at least implemented on two parts ground.Thus can be advantageously by different materials and/or there is the material of different qualities and/or the material in for example harden/unhardened state of the material in different machining states is made two parts.Advantageously, described at least one additional receiving element material in locking manner, be for example connected with flange region by bonding, welding and/or soldering.In conversion, additional receiving element can be threaded connection or interference fit connects force closure ground and/or shape is connected with spacer flanger in locking manner.
Another aspect of the present invention relate to a kind of for motor, drive for receiving according to the tool holder of the hand-held tool of replacing formula cutter of the present invention, it be provided with at least one be arranged in the first fixed pan or on first utmost point take moving part.The additional moving part of taking that at least one has the utmost point extremely contrary with first is set on tool holder according to the present invention.By causing the effective and firm especially reception of replacing formula cutter according to tool holder of the present invention, because the power stream being delivered to from tool holder replacing formula cutter in service at tool holder is divided at least two component flow paths, they extend in different, front and back plane in succession, one of them plane at tool holder inner and the second plane inner extension of flange region of the formula of replacing cutter.
If take moving part and/or the additional quantity of taking moving part is equal to or greater than according to the receiving element of replacing formula cutter of the present invention and/or the quantity of additional receiving element, changing so formula cutter can be in different orientation, especially in the angle orientation of rotation, be received on tool holder.
Advantageously, according to tool holder of the present invention, comprise that one for the fixture of removably fixedly replacing formula cutter, it has at least one clamping element---for example fishbolt, clamp arm or lever.Preferably clamping element can act in this wise according at least one in the additional receiving element of replacing formula cutter of the present invention upper, thereby improvement, especially strengthen the clamping action of fixture.This can for example realize in the following manner, the add ons of a wedge shape or configuration is set on clamping element, it in the closed state of fixture in this wise with configuration to its additional receiving element mating reaction, make to act on that a bed knife and/or additional receiving element shape are limited in the motility at it in locking manner or approximate being blocked ideally on this additional receiving element.
In a kind of expansion scheme, at least according to one of tool holder of the present invention additional take on moving part or in arrange one for can be received in the replacing formula cutter of tool holder, especially according to the interactional cloth detection device of replacing formula cutter of the present invention.Cloth detection device is especially understood to mechanical, dynamo-electric, electromagnetism or a sensor that otherwise can electronic analysis at this, and it can identify the layout of replacing formula cutter on tool holder, especially appropriate layout and/or fixing and can pass on a layout signal of describing arrangement states.In particular, arrange that signal can be used as in the control and/or regulon that release signal is used in the hand-held tool that a motor drives, is particularly preferably used in the control and/or regulon of driver element of the hand-held tool that motor drives.
In yet another aspect, the present invention relates to a kind of have can around rotation rotation and/or rotational oscillation drive according to the hand-held tool of tool holder of the present invention.Preferably, on the housing of hand-held tool, arrange one for the operating unit of the fixture of tool operating retainer.In addition for arranging one for driving the driver element of controlling and/or regulating of cutter holding device according to the comfortable especially of hand-held tool of the present invention and embodiment that can safety operation, it can or be controlled by the layout signal of cloth detection device, especially release signal conversion.
Accompanying drawing explanation
Embodiments of the invention are shown in the drawings and elaborate in the following description.It illustrates:
Fig. 1 illustrates one to be had for fixing according to the hand held power machine of taking moving part of the cutter that can axially be set with of prior art,
Fig. 2 is illustrated in the hand held power machine of the Fig. 1 in the configuration of centering process,
Fig. 3 illustrates according to the sectional view in the region of the tool holder of the known hand held power machine of Fig. 1,
Fig. 4 a and 4b illustrate according to replacing formula cutter of the present invention with according to the first embodiment of tool holder of the present invention,
Fig. 5 illustrates according to the sectional view in the region of the tool holder of Fig. 4 a and 4b,
Fig. 6 illustrates according to the second embodiment of replacing formula cutter of the present invention,
Fig. 7 illustrates the 3rd embodiment according to replacing formula cutter of the present invention,
Fig. 8 illustrates the hand held power machine having according to the fixture of tool holder of the present invention and conversion,
Fig. 9 a illustrates the second embodiment according to the flange that reclines of the present invention,
Fig. 9 b illustrates according to the detailed view of the flange that reclines of Fig. 8 a with phantom,
Fig. 9 c is illustrated in when packing into and fixing according to replacing formula cutter of the present invention according to the details of Fig. 9 b
Figure 10 illustrates according to the expanded configuration of the hand held power machine of Fig. 8,
Figure 11 is illustrated according to the signal flow graph with cloth detection device in tool holder of the present invention.
The specific embodiment
Fig. 1 illustrate one known have vibration, especially can be around the hand held power machine 28 of the rotation 15 driven driving shafts 16 in rotational oscillations ground the example as the handheld tool 1 of motorized motions, this driving shaft is bearing in the housing 34 that of hand held power machine 28 removes half in view by a ball bearing 30 and needle bearing 32.Hand held power machine 28 comprises that one at this unshowned motor, it drives an eccentric disc by a motor shaft, an arm 36 not being connected rotatably with driving shaft 16 is coupled in this eccentric disc, thus eccentric disc rotatablely move produce arm 36 and thus driving shaft 16 around the oscillating movement of rotation 15.
On an end of stretching out from housing 34 of driving shaft 16, hand held power machine 28 has one for the tool holder 50 of fixing that can axially be set with, same known replacing formula cutter 14, and this tool holder comprises the flange 38 of reclining of a dish type, fixture 42 and a spring element 24 that is configured to disc spring that is configured to fishbolt 48.This device is for the connection changing the not relatively turnable and axial restraint between formula cutter 14 and driving shaft 16, thereby the oscillating movement of driving shaft 16 is converted into the oscillatory type oscillating motion 40 of replacing formula cutter 14.
Replacing formula cutter 14 has at least one flange region 44 and a working region 45.At this, flange region 44 and working region 45 not only can be integratedly, especially single-piece ground forms, and can two-piece type or multi-piece type ground form.The embodiment of single-piece allows advantageously with low cost and fixedly replacing formula cutter 14 simply, and the configuration of two-piece type or multi-piece type can be realized embodiment firm especially, long service life and/or that match with the predetermined purposes of concrete replacing formula cutter 14.
The flange 38 that reclines of tool holder 50 has a circular abutment face of extending perpendicular to driving shaft 16, and in this abutment face, 12 pin shapes with trapezoidal cross-section are taken moving part 12 and distributed equably and be arranged on an angular range providing by whole circumference around rotation 15 altogether.At the flange 38 center that reclines, for example also offer one be configured to blind boring there is one at the centring element 10(of this unshowned internal thread Fig. 2) for receiving set bolt 42.
Take moving part 12 and be arranged in centring element 10 radially outers and the outstanding circular abutment face that surpasses the flange 38 that reclines.The radius of a circle 18 that is furnished with the circular abutment face of shape latch members 12 on it preferably surpasses 20 4 times of the radiuses of centring element 10 at this.Take moving part 12 and laterally have the face taken 22, these are taken face and radially outward and in the axial direction extend about the rotation of driving shaft 16.
Replacing formula cutter 14 is parts of the possible plug-in type cutter of multiple series, and it comprises sunk saw blade, milling cutter, grinding disc, cutting tool and other for embodiment known to the skilled and forms a tool system 500 with hand-held tool 1,28 thus.Flange region is same type in all cutters of this series or tool system 500, in flange region 44, this known replacing formula cutter 14 has 12 and is arranged in receiving element 12 ' on a circle, that be configured to dead slot or hole, and they take moving part 12 corresponding to reclining on flange 38.The receiving element 12 ' of known replacing formula cutter 14 is corresponding to the trapezoidal cross section of taking moving part 12.
Except being taken by DE 10 2,004 050 798 A1 the embodiment of moving part 12 and corresponding receiving element 12 ', take moving part 12 and receiving element 12 ' for being known to the skilled or drawing from known embodiment with plain mode with other configuration of positive pole pairing.Therefore, take moving part 12 and for example can be constructed to cylindrical or semi-cylindrical projection not limiting in general situation, and receiving element 12 ' is for example configured to slotted hole or oval dead slot.
Fig. 3 is illustrated in the side sectional view in the region with tool fitting 50 known in state reception and that pass through the fixing replacing formula cutter 14 of fishbolt 48.As stated in the beginning, in the running status of hand-held tool 1,28, driving shaft 16 is driven around rotation 15 rotational oscillation ground.Fig. 3 is at the transient images of a motion cycle of driving shaft this illustrate 16, and wherein driving shaft 16 rotates in direction of rotation 60.At this, in the direction of direction symbol 62,64 moment from recline flange 38 via take moving part 12, via receiving element 12 ', especially via receiving element 12 ' with take the wall of the contacts side surfaces of moving part 12, the especially radially wall perpendicular to direction of rotation via receiving element 12 ' and be delivered to the flange region 44 of known replacing formula cutter 14.The size of direction symbol 62,64 in the view of Fig. 3 just in time as after a while in Fig. 6 this preferably with torque value, especially associated with torque phase that can maximum delivered.As shown in FIG. 3, from the moving part 12 of taking of the flange 38 that reclines, towards the transmission of torque of taking moving part 12 ' of the flange region 44 of the formula of replacing cutter 14, known embodiment, at this, substantially in the plane 44a of flange region 44, carry out.At this, the plane 44a of flange region is understood to a material layer perpendicular to rotation 15 of flange region 44 or wears perpendicular to the transversal of rotation 15.Radial cut occurring in transmission of torque to power stream 44b at this, in plane 44a, extend and extend through in other words plane 44a, wherein, in taking the region of moving part 12 ', power current density is high especially.
According to replacing formula cutter 114 of the present invention and according to the first preferred embodiment of the tool holder 150 corresponding with changing formula cutter 114 of the present invention shown in Fig. 4 a and 4b.In the embodiment at above-mentioned known replacing formula cutter 14 and corresponding tool holder 50, identical and/or act on identical feature and at this, according to the following explanation of embodiments of the invention, obtain the Reference numeral that increases by 100.
According to replacing formula cutter 114 of the present invention, there is one only partly in the working region 145 shown in Fig. 4 a and a flange region 144 forming according to the present invention.Working region 145 preferably can be similar to known excision or cutting tool formation at this.But other configuration of working region 145 is known maybe can expecting for technical staff, and its specific design mode is on not impact of core of the present invention.Therefore, this class embodiment of working region 145 also should be conceived by the present invention included.Flange region 144 according in for example embodiment of Fig. 4 a by elbow shape implement, wherein, flange region 144 has an abutment face 146a flat, that be arranged in Flange Plane 146 substantially at this.According in the embodiment of Fig. 4 a, on abutment face 146a, at least one direction, connect an elbow region 147.According in the embodiment of Fig. 4 a, working region 145 and flange region 144 two-piece type ground or multi-piece type ground are implemented, wherein, working region 145 is connected with the elbow region 147 of flange region 144 in a join domain 145a, and especially material in locking manner---for example welding, soldering and/or bonding---and/or shape in locking manner and/or force closure ground connect.But also maybe advantageously, flange region 144 is especially with 144 single-pieces ground, working region, form especially integratedly.Other modification working region 145 configurations that the embodiment that there is no elbow and/or by flange region 144 is different from the shape shown in Fig. 4 a for technical staff draw, wherein, technical staff is for this reason by known in the state of the art a lot of for constructing the shape of working region 145, but they are on not impact of the present invention's design.Therefore save the detailed description to these possibilities here.
In the abutment face 146a of flange region 144, be provided with the receiving element 112 ' that is configured to dead slot.Receiving element 112 ' this be preferably arranged on one that substantially remain unchanged, with respect to rotation or the radial distance R1 of pivot center 115 be preferably arranged in abutment face 146a around rotation with uniform angle intervals α.In addition according to replacing formula cutter 114 of the present invention, there is an additional receiving element 152.Additional receiving element 152 is constructed to the projection of Manchu attire at this, and which vertically outstanding Flange Plane 146 or abutment face 146a of surpassing it is substantially.According in the embodiment of Fig. 4 a, additional receiving element 152 is arranged on the edge of abutment face 146a at this, preferably extends with one of a flange region 144 shell face that surrounds the section of gauge by abutment face 146a with flushing.Additional receiving element 152 is a radial distance R2 at this with respect to axis 115.Preferably R2 is greater than R1, and especially at least 1.5 times of a R1, especially preferably at least 2 of R1 times is particularly preferably maximum 4 times of R1.
By such structure and the layout of additional receiving element 152, it can preferably be formed in flange region when manufacturing flange region 144 by punching press-bending-technique.One second additional receiving element 152 is preferably opposite and therefore invisible in the view of Fig. 4 a with institute's diagram.But additional receiving element 152 and/or the additional receiving element 152 that also can be advantageously provided other are not parallel to each other mutually and are arranged in flange region 144, preferably the first additional receiving element 152 and the second additional receiving element can press from both sides into an angle that is more than or equal to 90 ° at this.
Fig. 4 a also illustrate one of tool holder 150 with according to the example of the corresponding configuration of the flange region 144 of replacing formula cutter 114 of the present invention.Tool holder 150 has the flange 138 that reclines, and it for example has flat, that be arranged in the first fixed pan 151, a preferred annular stationary plane 151a.On stationary plane 151, be provided with at least one, preferably two or more take moving part 112.According in the example of Fig. 4 a, being therefore provided with at least eight takes moving part 112, they with respect to rotation or pivot center 115 with substantially the same radial distance R1 and be preferably arranged on stationary plane 151 with uniform angle intervals α around rotation or pivot center.For example take moving part 112 and be constructed to columniform projection substantially, they are outstanding over the first fixed pan 151 or stationary plane 151a.
Also according to being provided with altogether four additional moving parts 154 of taking in the stationary plane 151a of the example of Fig. 4 a, wherein, the additional quantity of taking moving part at least should be corresponding to the quantity of additional receiving element 152, even preferably corresponding replacing formula cutter 114 additional to take the quantity of moving part 154 larger.According in the example of Fig. 4 a, additionally to take moving part 154 and be constructed to dead slot, they preferably have a substantial rectangular or polygonal cross section.Additional take moving part 154 and be shaped in this wise at this, the corresponding additional receiving element 152 setting can be similar to fully and preferably substantially shape be received in wherein in locking manner.Fig. 4 b illustrates in addition, " shape is sealed substantially " especially should be understood at this: each is additional takes moving part 154 and additional receiving element 152 has contact-making surface 152a, the 154a corresponding to each other, they are set up and/or are so constituted, and making when the planar contact of corresponding contact-making surface 152,154a can be by the additional power stream of taking moving part 154 or transmission of torque to additional receiving element 152.
In order to drive replacing formula cutter 114 by the tool holder 150 according to Fig. 4 a, flange region 144 must recline in this wise on the stationary plane of flange 138 and launch in direction 149, make to take moving part 112 is coupled in corresponding receiving element 112 ' and simultaneously additional take moving part 154 by additional take moving part 152 substantially shape surround in locking manner.By taking pairing that moving part 112 and corresponding receiving element 112 ' form according to being arranged in each other positive pole in the example of Fig. 4 a, and the additional pairing of taking moving part 154 and additional receiving element 152 is arranged in negative pole each other.By the unshowned fixture 142 in Fig. 4 a and 4b of hand-held tool 101,128, the flange region 144 of changing formula cutter 114 substantially not rotatably with axial restraint fix and be clamped in other words on tool holder 150.
Fig. 5 illustrates according to tool holder 150 of the present invention, open similarly with Fig. 4 a, have one disposed thereon according to replacing formula cutter 114 of the present invention, it is fixed on and is reclined on flange 138 by fixture 142.If tool holder 150 passes through a unshowned driver element rotationally and/or rotational oscillation ground is driven around rotation or pivot center 115, the torque acting on so on driving shaft 116 is divided into two power flow paths 156,158 substantially.By its moment share, by taking moving part 112, to be delivered to receiving element 112 ' upper at this for the first power flow path 156, wherein, from taking moving part 112, to the pass through radially-tangential power stream of corresponding receiving element 112 ', among the plane 156a of flange region 144, carries out.The second power flow path 158 is delivered to its torque share on additional receiving element 152 by the additional moving part 154 of taking, wherein, from the additional moving part 154 of taking, to the pass through radially-tangential force stream of corresponding additional receiving element 152, among the plane 138a of flange 138 that reclines, carry out.By taking moving part 112,---what the appropriate designs of the additional receiving element 152-pairing of receiving element 112 '---pairing and the additional moving part 154 of taking---can realize is, one is delivered to by driving shaft 116 the torque share that torque capacity on replacing formula cutter 114 is divided into two substantially the same sizes, and they transmit by the first plane 156a and the second plane 138a.
Fig. 6 and 7 illustrates according to of the present invention for changing two conversion forms of implementation of the flange region 144 of formula cutter 114.They are substantially different on the configuration of receiving element 112 ' and additional receiving element 152.These differences are described below so only.About working method, these embodiments are corresponding to according to the example of Fig. 4 a, 4b and 5, thereby with reference to description there.
According in the embodiment of Fig. 6, in the stationary plane of flange region 144, be only provided with four receiving elements 112 ' that are configured to dead slot.Flange region has two additional receiving elements 152 that are configured to elbow in addition, and they preferably can pass through forming technology, especially deep-drawing technique and form during manufacturing flange region 144.But only also can arrange at one one or surpass the additional receiving element 152 of two these classes on according to flange region 144 of the present invention.Quantity and/or its shape of taking moving part 112 ' also can change, and can not depart from thus the core of this embodiment of this additional receiving element 152.In addition also maybe advantageously, first this or these additional receiving elements 152 are formed in the add ons in flange region 144, are especially embodied as on being shaped after manufacturing flange region or the add ons of installing.Unshowned corresponding tool holder 150 has an additional moving part 154 of taking corresponding with respective numbers, that applicable and elbow face is shaped contiguously and at this.For its moulding, quantity and layout, the identical measure known by above embodiment is known, thereby with reference to their description.
According to the embodiment of Fig. 7 and the difference of the embodiment of describing before, be, additionally take moving part 152 and be constructed to columniform pin.They preferably can be made by a material different from flange region and/or the material taking on a different character.Preferably this class additional take moving part 152 by material sealed, for example bonding, soldering or be welded in the region of abutment face 146a is connected with flange region 144.
Fig. 8 illustrates another embodiment having according to the hand-held tool of tool holder 150 of the present invention 101,128, receives one according to replacing formula cutter 114 of the present invention in tool holder.The hand-held tool 101,128 of this example substantially the fixture 142 by conversion with according to Fig. 1,2 and 5 example, distinguish mutually.Fixture 142 comprises a clamping bolt 160 at this, on the end of the tool holder side of clamping bolt, arrange, especially structure or be shaped on a clamp hook 162.This clamp hook 162 this be arranged in a state sealing of fixture 142, that especially clamp, clamping force is applied in this wise one with opposed 146b of abutment face 146a on, make to change formula cutter 114 and be fixed in tool holder 150.For this reason this clamp hook 162 can be in operating operation unit 180 correspondingly to time on the housing of hand-held tool 101,128 intert by one around axis 115, extend run through opening 164.If now, by a corresponding clamping force, the direction towards hand-held tool 101,128 is applied in clamping bolt 160, receiving element 112 ' strikes the beam in the portion that takes 112 so, and additional receiving element 152 is coupled to additional take in moving part 154 and sealed with its formation shape.
According to the expanded configuration of replacing formula cutter 114 of the present invention and corresponding tool holder 150, at least one additional receiving element 152 has additional leaving a blank or dead slot 166.This is left a blank or dead slot 166 is preferably arranged in a laterally extending portion with respect to projection direction perpendicular at this.It is preferably arranged for the clamping element mating reaction of the fixture 142 of tool holder 150 so that fixedly replacing formula cutter 114 at this.Fig. 9 a to 9c illustrates an embodiment of giving an example for this reason, and it considers that handle modification is according to the fixture 142 of Fig. 8.
Fig. 9 a illustrates a flange region 144 with the top view towards having the abutment face 146a of four additional receiving elements 152, and at least one in these four additional receiving elements has one and leave a blank or dead slot 166.Leave a blank or dead slot 166 this in this example near abutment face 146a, preferably directly above abutment face 146a, laterally extend through the laterally extending size of additional receiving element 152.Preferably this leave a blank or dead slot 166 this squarish form, but it also can form advantageously cylindrically and/or conically.
A part of corresponding abutment face 138 is shown in Fig. 9 b, and wherein, only the additional region of taking portion 154 is illustrated.The additional portion 154 that takes is locking dead slot 168 in this feature, and it is preferably arranged near stationary plane 151a.Locking dead slot is especially arranged for and allows a clamping element 170 be coupled to wherein and/or can pass it.
Clamping element 170 is in this part of fixture 142 preferably.For example this clamping element 170 can be constructed to according to hook-shaped boss or projection in the region of the clamp hook 162 of Fig. 8.In conversion, clamping element 170 for example can be constructed to bolt or cover, and it coordinates with fixture 142 effects, thereby it can be pressed into or be coupled in locking dead slot 168 when fixture 142 locking.Preferably it is forced out in the unlocked position of fixture 142 from coordinate.
Fig. 9 c illustrates an embodiment of giving an example of clamping element 170 as the hook in locked position.At this, clamping element 170 is coupled in locking dead slot.If now as shown at Fig. 9 c, changing formula cutter 114 for one is coupled to according in the tool holder 150 of Fig. 9 b with a flange region 144 according to Fig. 9 a, clamping element 170 is also coupled in leaving a blank of dead slot 166 or dead slot 166 or preferably through it so, thereby the formula of replacing cutter 114 can additionally be locked in tool holder 150.
A kind of preferred development configuration according to tool holder 150 of the present invention is shown in Figure 10.It for example considers, according to the embodiment of the hand-held tool 101,128 of Fig. 8, at this, to have cancelled the description to their fundamental characteristics at this.With respect to according to the example of Fig. 8, the difference of tool holder 150 is cloth detection device 200, it is arranged for identifies according to replacing formula cutter 114 of the present invention layout on tool holder 150, especially appropriate layout, preferably appropriate fixing.Appropriate layout or be fixed on this especially change formula cutter 114 in tool holder 150 according to before the layout of describing mode or fixing, wherein, especially cause and taking moving part 112---receiving element 112 '---to and the additional moving part 154 of taking---additional receiving element 152---between each connection that shape is sealed.
Cloth detection device 200 this be arranged at least one additional take near moving part 154, preferably adjacent, wherein, additional take moving part 154 at this not only and be constructed to sink to or enter into the sealed shape latch members of the shape for negative pole of flange 138 that reclines---as shown at the example of figure---, and be implemented as the sealed shape latch members of the shape for anodal that outstanding or projection surpasses stationary plane 151a.At this, cloth detection device 200 can comprise the sensor unit of mechanical, electromechanical an and/or electronics, preferably it, consists of.Therefore for example touch-type sensor device and/or Hall element and/or piezoelectric transducer can be set.
A kind of preferred embodiment in, cloth detection device 200 with one in Figure 10 unshowned output unit 210 connect, it is especially arranged for user's information of informing hand-held tool 101,128 by arrangement states.A signal generator, a signal lamp and/or a display screen for example can be set for this reason.
Another kind preferably, in especially supplementary embodiment, cloth detection device 200 is arranged for, when identifying according to replacing formula cutter 114 of the present invention layout on tool holder 150, especially appropriate layout, preferably appropriate fixedly time, illustrate one and arrange signal 202, especially release signal 204.This layout signal 202 can be used as release signal 204 for example control and/or regulon 240 in for discharging the starting of the motor of the hand-held tool 101,128 that driver element 260, especially motor drive, thereby only according to the layout of replacing formula cutter 114 of the present invention, especially appropriate layout, preferably appropriate fixedly time hand-held tool 101,128 just can enter in service.
Figure 11 illustrates for changing according to the aid of the example of Figure 10 for this reason.Cloth detection device 200 comprises a sensor unit 201a and analysis and processing unit 201b at this.Analysis and processing unit 201b produces a corresponding signal 202,204 of arranging, they can by output unit 210 export and/or can control and/or regulon 240 in for controlling driver element 260.
Except for controlling the release of driver element 260, arrange signal can with correspondingly form, according to replacing formula cutter 114 of the present invention, in conjunction with being also used to make definite envelop of function of driver element 260,---for example oscillation characteristics amount---coordinates with concrete replacing formula cutter 114.Therefore may for example meaningfully, change formula cutter 114 only driven by an oscillatory driver that is limited to selected scope with king-sized and/or heavy working region 145.Therefore the flange region 144 forming according to the present invention can be used from the classification of replacing formula cutter 114 is encoded with recline flange 138 and the cloth detection device 200 1 according to the above description of corresponding formation, to for oscillatory driver provides the scope of again selecting to applicable these classifications, can advantageously avoid extreme running status thus.Above-described design of the present invention but whether be limited to clearly oscillatory driver, but can be similarly also for driving rotatably replacing formula cutter 114.
Other expansion of the present invention and modification are especially by providing in the combination of illustrational feature before.These combinations are conceived included clearly by the present invention.The present invention is also not limited to hand-held tool 101,128, and their tool holder 150 has the anodal additional moving part 154 of taking of taking moving part 112 and negative pole, in the example describing in detail.The present invention's design can also be converted to have with plain mode and takes moving part 112 and add on the tool holder 150 of the contrary utmost point of taking moving part 152.Only the embodiment of expansion is adaptive in the following manner, and additional moving part 154 and the affiliated additional all features of taking moving part 152 taken must be converted to and take moving part 112 and receiving element 112 ' above, and vice versa, and this is not difficult for technical staff.
Claims (15)
1. change formula cutter (114), especially excise and/or cutting tool, for the hand-held tool (101 with motor driving, 128) use, on this hand-held tool, be provided with a tool holder (150) with the flange that reclines (138) for removably fixedly replacing formula cutter (114), what this flange that reclines had that at least one is arranged in the first fixed pan (151) takes moving part (112), wherein, described replacing formula cutter (114) has one and is arranged in the flange region (144) on the flange that reclines (138) for changing formula cutter (114), this flange region has at least one and is arranged in the first Flange Plane (146), can form and the receiving element (112 ') of taking moving part (112) effect and being connected, wherein, the described moving part (112) of taking is constructed to one and outstandingly surpasses the first fixed pan (151) and have thus anodal shape latch members and described receiving element (112 ') is constructed to corresponding with positive pole, sink to the shape latch members in the first Flange Plane (146), or this is taken moving part (112) and is constructed to shape latch members and a described receiving element (112 ') that sinks in the first fixed pan (151) and have thus a negative pole and is constructed to corresponding with negative pole in conversion, the outstanding shape latch members that surpasses the first Flange Plane (146), it is characterized in that, in the flange region (144) of changing formula cutter (114), be also provided with at least one additional receiving element (152), it has a utmost point contrary with described at least one receiving element (112 ').
2. replacing formula cutter according to claim 1, it is characterized in that, in flange region (144), be provided with at least two or more receiving elements (112 ') and/or additional receiving element (152), wherein preferred described receiving element (112 ') and/or additional receiving element (152) form or at least one is constructed to be different from remaining receiving element (112 ') and/or additional receiving element (152) in conversion respectively mutually the samely.
3. according to the replacing formula cutter described in any one of the preceding claims, it is characterized in that, described at least one receiving element (112 ') is arranged to respect to rotation (115) interval first radial distance R1 who extends through flange region (144) who changes formula cutter (114), wherein, described at least one additional receiving element (152) is arranged to respect to one, this rotation (115) interval the second radial distance R2, and this second radial distance is different from the first radial distance R1.
4. replacing formula cutter according to claim 3, it is characterized in that, described the second radial distance R2 is greater than the first radial distance R1, especially described at least one additional receiving element (152) is arranged in the outer circumferential area of described flange region (144), be preferably arranged near outer seamed edge, circumference or the side face of flange region (144) or on.
5. according to the replacing formula cutter described in any one of the preceding claims, it is characterized in that, described at least one receiving element (112 ') be configured to positive pole take moving part (112) mating reaction, wherein, described at least one additional receiving element (152) be constructed to one outstanding surpass the first Flange Plane (146), substantially one with the approximately perpendicular projection direction of Flange Plane (146) on extend, preferably sell shape, shape latch members piece shape or similar flag-shaped.
6. replacing formula cutter according to claim 5, it is characterized in that, at least one additional receiving element (152) has at least one at one in the laterally extending portion with projection direction perpendicular leaves a blank or dead slot (166), and it is preferably arranged for clamping element (170) mating reaction of the fixture (142) of tool holder (150) so that fixedly replacing formula cutter (114).
7. according to the replacing formula cutter described in claim 5 or 6, it is characterized in that, at least one, preferably all additional receiving element (152) and flange region (144) integratedly or two-piece type ground implement.
8. the hand-held tool (101 driving for motor, 128) tool holder (150), there is one for receiving according to the flange that reclines (138) of (114) of the replacing formula cutter described in any one of the preceding claims, have at least one first fixed pan (151) that is arranged in the flange that reclines (138) or on, first utmost point take moving part (112), it is characterized in that, be provided with the additional moving part (154) of taking that at least one has the utmost point extremely contrary with first.
9. tool holder according to claim 8 (150), it is characterized in that, take moving part (112) and/or the additional quantity of taking moving part (154) is equal to or greater than according to the quantity of the receiving element (112 ') of the replacing formula cutter (114) described in claim 1 to 7 and/or additional receiving element (152).
10. tool holder (150) according to claim 8 or claim 9, it is characterized in that, a fixture (142) for removably fixedly replacing formula cutter (114), it has at least one clamping element (170), this clamping element preferably can act in this wise according at least one in the additional receiving element (152) of the replacing formula cutter (114) described in any one in claim 1 to 7, makes the clamping action of fixture (142) be enhanced, especially be reinforced.
Tool holder in 11. according to Claim 8 to 10 described in any one (150), it is characterized in that, at least one additional take moving part (154) upper or in arrange one for one can be received in tool holder (150), especially according to the interactional cloth detection device of replacing formula cutter (14,114) (200) described in any one in claim 1 to 7.
12. hand-held tools (101,128), have one around the tool holder (150) described in any one in that oscillatorily drive, according to Claim 8 to 11 rotation (115) rotation and/or rotatable.
13. hand-held tools (101 according to claim 12,128), there is tool holder according to claim 10 (150), it is characterized in that, housing at hand-held tool (101,128) is provided with one for operating the operating unit (180) of fixture (142).
14. according to the hand-held tool (101 described in claim 12 or 13,128), there is the tool holder (150) according to claim 11, it is characterized in that, be provided with one for driving controlling and/or adjustable driver element (260) of tool holder (150), this driver element can be arranged signal (202), especially a release signal (204) conversion or control by of cloth detection device (200).
15. tool systems (500), comprise according to the replacing formula cutter (114) described in any one in claim 1 to 7 and the hand-held tool (101,128) that drives according to claim 12 to the motor described in any one in 14.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102012215950.9 | 2012-09-10 | ||
| DE102012215950.9A DE102012215950B4 (en) | 2012-09-10 | 2012-09-10 | Changing tool, tool holder, hand tool and tool system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103659541A true CN103659541A (en) | 2014-03-26 |
| CN103659541B CN103659541B (en) | 2017-08-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310406927.0A Active CN103659541B (en) | 2012-09-10 | 2013-09-09 | Replaceable cutter, tool holder, hand-held tool and tool system |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN103659541B (en) |
| DE (1) | DE102012215950B4 (en) |
Cited By (3)
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| CN110181466A (en) * | 2019-06-17 | 2019-08-30 | 常熟理工学院 | A kind of detachable blade adapter |
| JP2019209409A (en) * | 2018-06-01 | 2019-12-12 | 株式会社マキタ | Work tool |
| CN111867782A (en) * | 2018-02-20 | 2020-10-30 | 罗伯特·博世有限公司 | Quick clamping device |
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| CN1396853A (en) * | 2000-12-01 | 2003-02-12 | 罗伯特·博施有限公司 | Hand tool |
| CN101043987A (en) * | 2004-10-19 | 2007-09-26 | 罗伯特·博世有限公司 | Device for fixing a tool on a drive shaft of a hand-held machine tool, which can be driven in an oscillating manner |
| CN101066577A (en) * | 2006-05-04 | 2007-11-07 | C.&E.泛音有限公司 | Swinging driver |
| CN101200062A (en) * | 2006-12-15 | 2008-06-18 | 常州赛迪电气制造有限公司 | Multi-functional electric tools |
| CN202241199U (en) * | 2011-09-27 | 2012-05-30 | 江苏舜天国际集团苏迈克斯工具有限公司 | General adaptive tool |
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| DE102007039367B4 (en) * | 2006-09-01 | 2019-12-19 | C. & E. Fein Gmbh | tool attachment |
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| WO1995027583A1 (en) * | 1994-04-12 | 1995-10-19 | Porter Cable Corporation | Toolless quickchange blade clamp for reciprocating saws |
| CN1396853A (en) * | 2000-12-01 | 2003-02-12 | 罗伯特·博施有限公司 | Hand tool |
| CN101043987A (en) * | 2004-10-19 | 2007-09-26 | 罗伯特·博世有限公司 | Device for fixing a tool on a drive shaft of a hand-held machine tool, which can be driven in an oscillating manner |
| CN101066577A (en) * | 2006-05-04 | 2007-11-07 | C.&E.泛音有限公司 | Swinging driver |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111867782A (en) * | 2018-02-20 | 2020-10-30 | 罗伯特·博世有限公司 | Quick clamping device |
| CN111867782B (en) * | 2018-02-20 | 2024-03-08 | 罗伯特·博世有限公司 | Quick clamping device |
| JP2019209409A (en) * | 2018-06-01 | 2019-12-12 | 株式会社マキタ | Work tool |
| JP7123633B2 (en) | 2018-06-01 | 2022-08-23 | 株式会社マキタ | Work tools |
| CN110181466A (en) * | 2019-06-17 | 2019-08-30 | 常熟理工学院 | A kind of detachable blade adapter |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102012215950A1 (en) | 2014-04-03 |
| CN103659541B (en) | 2017-08-22 |
| DE102012215950B4 (en) | 2023-11-02 |
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