CN104703738A - Motor-driven machine tool, in particular hand-held power tool - Google Patents
Motor-driven machine tool, in particular hand-held power tool Download PDFInfo
- Publication number
- CN104703738A CN104703738A CN201380052294.6A CN201380052294A CN104703738A CN 104703738 A CN104703738 A CN 104703738A CN 201380052294 A CN201380052294 A CN 201380052294A CN 104703738 A CN104703738 A CN 104703738A
- Authority
- CN
- China
- Prior art keywords
- toolroom machine
- housing
- machine according
- instrument axle
- support ring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D51/00—Sawing machines or sawing devices working with straight blades, characterised only by constructional features of particular parts; Carrying or attaching means for tools, covered by this subclass, which are connected to a carrier at both ends
- B23D51/02—Sawing machines or sawing devices working with straight blades, characterised only by constructional features of particular parts; Carrying or attaching means for tools, covered by this subclass, which are connected to a carrier at both ends of beds; of guiding arrangements for work-tables or saw carriers; of frames
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D49/00—Machines or devices for sawing with straight reciprocating saw blades, e.g. hacksaws
- B23D49/10—Hand-held or hand-operated sawing devices with straight saw blades
- B23D49/16—Hand-held or hand-operated sawing devices with straight saw blades actuated by electric or magnetic power or prime movers
- B23D49/162—Pad sawing devices
- B23D49/165—Pad sawing devices with means to move the saw blades in an orbital path
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25F—COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR
- B25F5/00—Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
- B25F5/02—Construction of casings, bodies or handles
Abstract
A motor-driven machine tool has a tool shaft that is mounted in a housing and is accommodated in a bearing-sealing unit that comprises an accommodating housing with a sealing element and at least one bearing part.
Description
Technical field
The toolroom machine that the motor that the present invention relates to a kind of preamble according to claim 1 drives, especially a kind of hand held power machine, such as a swing reciprocating saw.
Background technology
Hand held power machine has the CD-ROM drive motor of electricity in the housing, and the actuation movement of this CD-ROM drive motor is converted into the working motion of instrument axle by transmission device, setting tool on described instrument axle.Such as disclose a kind of swing reciprocating saw, the instrument axle of described swing reciprocating saw fixedly has the saw blade of the cutting edge of straight line, wherein, this instrument axle performs reciprocating motion and the oscillating motion of combination.
This instrument axle is bearing in the housing of this toolroom machine or in gear mechanism housing, wherein, must correspondingly design tool axle motion supporting.In order to ensure the function specified under long running time, bearing position must be protected to prevent contaminated, this realizes by sealing usually.
Summary of the invention
Task of the present invention is, is constructed the toolroom machine of a kind of motor driving by simple structural measure like this, thus makes the function ensureing regulation under long running time.
According to the present invention, this task is solved by the feature of claim 1.Dependent claims provides the improvement project conforming with object.
Toolroom machine according to the present invention has the drive unit of motor, especially the CD-ROM drive motor of electricity, and the actuation movement of described CD-ROM drive motor is converted into the working motion of the instrument axle be bearing in movingly in toolroom machine housing.If desired, transmission device can be inserted between CD-ROM drive motor and instrument axle.This toolroom machine is preferably hand held power machine, such as, saw instrument, as thorn saw or swing reciprocating saw.Especially consider to have instrument axle back and forth and/or the toolroom machine of oscillating motion, preferably with the instrument axle motion of two different component motions, as the situation in oscillating traverse motion.
This instrument axle is received in a bearing seal structure unit, and described bearing seal structure unit is arranged in the housing of instrument axle regularly.This bearing seal structure unit is the construction package of closed in itself, and this construction package is unified by two functions, i.e. support tool axle and seal the supporting member be received in construction unit on the other hand on the one hand, thus protects it not to be subject to outside contamination.This bearing seal structure unit is compactly designed, prefabricated construction package, and described construction package can be replaced for the object of maintenance and be substituted by the identical construction package of structure, thus, significantly reduces maintenance and expends.This bearing seal structure unit allows the motion of at least one dimension of instrument axle simultaneously, if desired two dimension or the motion of three-dimensional.The potted component be received in bearing seal structure unit can perform corresponding balance exercise at working motion transverse to when tool longitudinal axis line orientation when this in construction unit.The also cover that sealing element is configured to ring-type installs on instrument axle, thus the region be separated by potted component is in the axial direction separated from one another along instrument axial flow movable sealing ground.
The reception housing of this bearing seal structure unit has reception space, is received in described reception space for the supporting member of support tool axle and potted component.This reception space can have the base house of can-like, and this base house is by closure member closes, and wherein, in reception housing, especially not only in the base house of can-like but also in cap member, introduce the notch at center, instrument axle is through this notch.The reception space of this closure member closes in the base house of bearing seal structure unit is also fixedly received in the component in this reception space, i.e. supporting member and potted component.
In base house, supporting member and potted component are conformed with such setting of object, thus make the bottom of the contiguous base house of this supporting member and the contiguous cap member of sealing element.Therefore, sealing element axially supports on the support members on the one hand and on the other hand, on the end face of opposed axis, is supported on the inner side of cap member.Axial action is advantageously determined size like this to the support force on potted component, if thus make the working motion of instrument axle have component transverse to axle longitudinal axis, sealing element can perform radial balance exercise in described base house.
Sealing element is advantageously connected in locking manner with base house force closure, positive and/or material.Such as consider to be threaded.In addition, receive housing to be connected with the housing parts of toolroom machine, such as like this: this base house has radially outward bending edge, and this marginal reception retaining element, is fixed on the housing parts of toolroom machine by bearing seal structure unit described in described retaining element.Retaining element is such as one or more pin or screw.If desired, this retaining element also can be used for cap member to be fixed on base house.
This reception housing can have radially outward bending edge, and described edge is for being fixed on the housing parts of toolroom machine.The base house that this edge radially outward bent especially is positioned at can-like also may be used for fixed cap element.
In order to can not only perform axially-movable when swinging reciprocating saw but also perform the oscillating motion of perpendicular orientation, supporting member is conformed with that destination is configured to double-body bike and is comprised two support rings, wherein, the first support ring is that fixing and the second support ring of relative housing is received in the first support ring movingly.Second support ring can the oscillating motion of executing means axle, and it is fixed holding position in the axial direction, thus described instrument axle moves back and forth relative to two support rings.
Accompanying drawing explanation
By other claims, other advantage can be obtained to the description of accompanying drawing and accompanying drawing and conform with the form of implementation of object.Accompanying drawing shows:
The stereogram of Fig. 1: one hand-held swing reciprocating saw;
Fig. 2: the exploded view of the component of the instrument axle for supporting oscillation reciprocating saw on housing;
Fig. 3: longitudinally through the section of the instrument axle in the region of the supporting on housing.
In the accompanying drawings identical label is arranged to identical component.
Detailed description of the invention
For being configured to the hand held power machine 1 swinging reciprocating saw shown in Fig. 1.This hand held power machine 1 has the CD-ROM drive motor 3 of electricity in housing 2, and the swing that the actuation movement of described CD-ROM drive motor is converted into instrument axle 4 by transmission device moves back and forth.This instrument axle 4 is for having the carrier of the saw blade 5 on the saw limit of straight line.This saw blade 5 performs the working motion identical with instrument axle 4, and described working motion is made up of the axially-movable of the longitudinal axis along instrument axle according to arrow 6 and the combination of the transverse movement according to arrow 7 be superimposed in this axially-movable.Because this instrument axle 4 only performs axially-movable 6 and transverse movement 7, and not around its fore-aft axis, so this instrument axle 4 is reciprocating levers.
It is the component for supporting this reciprocating lever or instrument axle 4 shown in Fig. 2 and Fig. 3.This instrument axle 4 is supported in bearing seal structure unit 8 in housing 2, and this bearing seal structure unit comprises the reception housing with base house 9 and cap member 10 and the component 11 to 13 be received in base house 9.Not only base house 9 and also to be connected with base house 9, notch that the cap member 10 in the reception space covered in base house 9 has a center passes for making instrument axle 4.The component received in base house 9 is the supporting member of the double-body bike with the first support ring 11 and the second support ring 12 and is the potted component 13 of ring-type.First support ring 11 has the diameter larger than the second support ring 12 be supported in swingably in the first support ring 11, thus the second less support ring 12 be directly arranged on instrument axle 4 can perform the oscillating motion with the cross stream component relative to instrument axle longitudinal axis in the first larger support ring 11.This first support ring 11 by the bearing seal structure unit 8 that is received in regularly in base house 9, thus instrument axle 4 swing move back and forth during only have the second support ring 12 to move.But this second support ring 12 keeps axial restraint, thus this instrument axle axially slidably reciprocates in the second support ring 12 in swing moves back and forth.
These two support rings 11 and 12 have been presented axially on the bottom of base house 9 of reception effect.The potted component 13 of this ring-type to lie on the end face deviating from bottom in two support rings 11 and 12 and is supported on the opposed axial end on the inner side of cap member 10.Sealing element 13 advantageously has the overall diameter of the interior diameter of the base house 9 being slightly less than reception effect under indeformable original state, to realize the oscillating traverse motion of the longitudinal axis transverse to instrument axle 4.But also allow in principle, the diameter of sealing element 13 can adapt to the interior diameter of this base house under indeformable original state, thus the distortion of potted component occurs diametrically when oscillating motion.In addition this conforms with object: the axial width of sealing element adapts to fitted position like this, thus allows compression radially when instrument axle moves in principle and relax.
Bearing seal structure unit 8 is prefabricated construction packages, and this bearing seal structure unit to be received in the base in housing 2 and when needed, such as, for the object of maintenance, can be replaced.The reception housing of this bearing seal structure unit 8 is fixed on the housing of this hand held power machine by steady pin 15.This steady pin 15 extends through the reception opening in the radially outward bending edge 9a of base house 9 and is guided through in cap member 10 simultaneously and receives opening accordingly, and described cap member lies on edge 9a.Additionally, this cap member 10 is fixed on the edge 9a of base house 9 by screw 16.
The bending edge 9a of this base house 9 lies on potted component 14 in its base in housing 2, and described potted component is responsible for the vibration damping added.
Claims (10)
1. the toolroom machine of a motor driving, especially hand held power machine (1), preferred swing reciprocating saw, there is the instrument axle (4) performing working motion, described instrument axle is supported in housing (2), it is characterized in that: described instrument axle (4) is received in bearing seal structure unit (8), wherein, described bearing seal structure unit (8) comprises reception housing, described reception housing has at least one potted component (13) surrounding described instrument axle (4) and at least one supporting member for described instrument axle (4).
2. toolroom machine according to claim 1, is characterized in that, described reception housing has base house for receiving described supporting member and the can-like of described potted component (13) and the cap member (10) that will be connected with described base house.
3. toolroom machine according to claim 2, is characterized in that, described potted component (13) is set to contiguous described cap member (10).
4. according to the toolroom machine of Claims 2 or 3, it is characterized in that, described cap member (10) force closure, positive and/or material are connected with described base house in locking manner.
5. toolroom machine according to claim 4, is characterized in that, described cap member (10) is connected with described base house by screw (16).
6. toolroom machine according to any one of claim 1 to 5, it is characterized in that, that described supporting member is configured to double-body bike and have fixing the first support ring (11) of relative housing and have the second support ring (12), described second support ring to be received in described first support ring in (11) movingly.
7. toolroom machine according to any one of claim 1 to 6, is characterized in that, described potted component (13) is supported on the end face of described supporting member.
8. toolroom machine according to any one of claim 1 to 7, is characterized in that, described potted component (13) is supported on the inwall of described reception housing radially outwardly.
9. toolroom machine according to any one of claim 1 to 8, is characterized in that, the reception housing of described bearing seal structure unit (8) is connected with the housing (2) of described toolroom machine (1) regularly.
10. toolroom machine according to claim 9, it is characterized in that, described reception housing has radially outward bending edge (9a), and described marginal reception is used for the retaining element described bearing seal structure unit (8) be fixed on the housing (2) of described toolroom machine (1).
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE201210218288 DE102012218288A1 (en) | 2012-10-08 | 2012-10-08 | Motor-driven machine tool, in particular hand tool |
DE102012218288.8 | 2012-10-08 | ||
PCT/EP2013/070316 WO2014056747A2 (en) | 2012-10-08 | 2013-09-30 | Motor-driven machine tool, in particular hand-held power tool |
Publications (1)
Publication Number | Publication Date |
---|---|
CN104703738A true CN104703738A (en) | 2015-06-10 |
Family
ID=49293639
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201380052294.6A Pending CN104703738A (en) | 2012-10-08 | 2013-09-30 | Motor-driven machine tool, in particular hand-held power tool |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP2903770A2 (en) |
CN (1) | CN104703738A (en) |
DE (1) | DE102012218288A1 (en) |
WO (1) | WO2014056747A2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110023039A (en) * | 2016-11-30 | 2019-07-16 | 工机控股株式会社 | Reciprocating movement tool |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11958121B2 (en) | 2022-03-04 | 2024-04-16 | Black & Decker Inc. | Reciprocating tool having orbit function |
US11839964B2 (en) | 2022-03-09 | 2023-12-12 | Black & Decker Inc. | Counterbalancing mechanism and power tool having same |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1047941A (en) * | 1963-02-26 | 1966-11-09 | John Dirk Bruere | Improvements in or relating to blade saws |
DE4029676A1 (en) * | 1990-09-19 | 1992-04-02 | Sachse Hans | CIRCULAR OSCILLATING SAW |
EP1038624A2 (en) * | 1999-03-19 | 2000-09-27 | Kress-elektrik GmbH + Co. Elektromotorenfabrik | Reciprocating saw with angularly adjustable saw blade |
CN2582802Y (en) * | 2002-11-06 | 2003-10-29 | 林海涛 | Reciprocating saw driving device |
US20050044729A1 (en) * | 2003-07-11 | 2005-03-03 | Toshihiko Tachibana | Saber saw having blade tiltable toward workpiece relative to saw body when cutting |
CN201217102Y (en) * | 2008-06-18 | 2009-04-08 | 苏州宝时得电动工具有限公司 | Reciprocating power tool |
CN202291645U (en) * | 2010-09-29 | 2012-07-04 | 布莱克和戴克公司 | Reciprocating saw |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6568089B1 (en) * | 1999-06-04 | 2003-05-27 | Porter-Cable/Delta | Reciprocating saw having compact configuration and independent stability |
JP5165481B2 (en) * | 2008-07-07 | 2013-03-21 | 株式会社マキタ | Jigsaw |
-
2012
- 2012-10-08 DE DE201210218288 patent/DE102012218288A1/en not_active Withdrawn
-
2013
- 2013-09-30 WO PCT/EP2013/070316 patent/WO2014056747A2/en active Application Filing
- 2013-09-30 EP EP13771130.5A patent/EP2903770A2/en not_active Withdrawn
- 2013-09-30 CN CN201380052294.6A patent/CN104703738A/en active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1047941A (en) * | 1963-02-26 | 1966-11-09 | John Dirk Bruere | Improvements in or relating to blade saws |
DE4029676A1 (en) * | 1990-09-19 | 1992-04-02 | Sachse Hans | CIRCULAR OSCILLATING SAW |
EP1038624A2 (en) * | 1999-03-19 | 2000-09-27 | Kress-elektrik GmbH + Co. Elektromotorenfabrik | Reciprocating saw with angularly adjustable saw blade |
CN2582802Y (en) * | 2002-11-06 | 2003-10-29 | 林海涛 | Reciprocating saw driving device |
US20050044729A1 (en) * | 2003-07-11 | 2005-03-03 | Toshihiko Tachibana | Saber saw having blade tiltable toward workpiece relative to saw body when cutting |
CN201217102Y (en) * | 2008-06-18 | 2009-04-08 | 苏州宝时得电动工具有限公司 | Reciprocating power tool |
CN202291645U (en) * | 2010-09-29 | 2012-07-04 | 布莱克和戴克公司 | Reciprocating saw |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110023039A (en) * | 2016-11-30 | 2019-07-16 | 工机控股株式会社 | Reciprocating movement tool |
US11446806B2 (en) | 2016-11-30 | 2022-09-20 | Koki Holdings Co., Ltd. | Reciprocating tool |
CN110023039B (en) * | 2016-11-30 | 2022-09-30 | 工机控股株式会社 | Reciprocating tool |
Also Published As
Publication number | Publication date |
---|---|
WO2014056747A2 (en) | 2014-04-17 |
DE102012218288A1 (en) | 2014-04-10 |
WO2014056747A3 (en) | 2014-07-03 |
EP2903770A2 (en) | 2015-08-12 |
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Legal Events
Date | Code | Title | Description |
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C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150610 |
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WD01 | Invention patent application deemed withdrawn after publication |