CN100482415C - Device for reducing vibration of superfine milling machine - Google Patents
Device for reducing vibration of superfine milling machine Download PDFInfo
- Publication number
- CN100482415C CN100482415C CNB2004100752349A CN200410075234A CN100482415C CN 100482415 C CN100482415 C CN 100482415C CN B2004100752349 A CNB2004100752349 A CN B2004100752349A CN 200410075234 A CN200410075234 A CN 200410075234A CN 100482415 C CN100482415 C CN 100482415C
- Authority
- CN
- China
- Prior art keywords
- ball
- vibration
- vibration leg
- milling machine
- leg
- 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.)
- Expired - Fee Related
Links
- 238000003801 milling Methods 0.000 title claims description 27
- 238000000227 grinding Methods 0.000 claims abstract description 39
- 238000013016 damping Methods 0.000 claims description 13
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 229920003023 plastic Polymers 0.000 claims description 4
- 239000004033 plastic Substances 0.000 claims description 4
- 229920002457 flexible plastic Polymers 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 6
- 241000283690 Bos taurus Species 0.000 abstract 1
- 238000010521 absorption reaction Methods 0.000 abstract 1
- 230000008878 coupling Effects 0.000 abstract 1
- 238000010168 coupling process Methods 0.000 abstract 1
- 238000005859 coupling reaction Methods 0.000 abstract 1
- 230000035939 shock Effects 0.000 abstract 1
- 210000002414 leg Anatomy 0.000 description 49
- 230000033001 locomotion Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 210000004394 hip joint Anatomy 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 230000002085 persistent effect Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 210000000323 shoulder joint Anatomy 0.000 description 1
Images
Classifications
-
- 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
- B24B23/04—Portable grinding machines, e.g. hand-guided; Accessories therefor with oscillating grinding tools; Accessories therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/007—Weight compensation; Temperature compensation; Vibration damping
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vibration Prevention Devices (AREA)
- Crushing And Grinding (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention relates to a kind of device which is used for shock absorption when the super fine grinding machine is running. The device has at least one vibration arm, one end of which is fixed to the first seat of the machine rind, and the other is to the second seat of one grinding tray of the machine. At least one ends of the vibration arm and the correspondent seat form a coupling hinge, in order that the machine runs quietly with little vibration. If the vibration arm is a coiled spring, the machine can attain the same effect.
Description
Technical field
The present invention relates to a kind of device that is used to reduce the vibration of superfine milling machine.
Background technology
By German utility model DE 298 01 109 U1 known a kind of superfine milling machine, wherein,, be provided with the swing element that is bearing in movingly between these two parts for replacement is injection-moulded in vibration leg between housing and the grinding dish.Each swing element is provided with spherical rolling ball body on both ends, they are supported in the spherical shell of housing or grinding dish.End at each swing element constitutes a keeper, and this keeper stretches in the spherical shell by a hole.Though reduced the vibration of superfine milling machine thus, this form of implementation takes a lot of trouble during fabrication.
By German laid-open document DE 100 60 855 A1 known a kind of superfine milling machine, it has the vibration leg, these vibration legs can reduce the vibration transmission of grinding dish to the housing.These vibration legs are non-resilient column legs made of aluminum, they are respectively surrounded by an O RunddichtringO of being done by rubber, these O RunddichtringOs be positioned on the housing or on the oscillating plate the seat in, also can realize of the good uncoupling of grinding disc radial active force thus with respect to housing.
Summary of the invention
According to the present invention, a kind of device that is used to reduce the vibration of superfine milling machine is proposed, has at least one vibration leg, the first end of this vibration leg is placed among on the housing of this superfine milling machine one first, its the second end is placed among on the grinding dish of this superfine milling machine one second, wherein, at least one in two ends of vibration leg constitutes a hinge that goes couple of force to close together with the seat of corresponding configuration.
According to the present invention, a kind of device that is used to reduce the vibration of superfine milling machine is also proposed, has at least one vibration leg, the first end of this vibration leg is placed among on the housing of this superfine milling machine one first, its the second end is placed among on the grinding dish of this superfine milling machine one second, wherein, this vibration leg is a helical spring.
By contrast, the advantage of device that the present invention is used to reduce the vibration of superfine milling machine is: by making vibration leg and corresponding hinge that goes couple of force to close (kraftentkoppeltes) of formation, obtaining a kind of being easy to makes and low-cost device, wherein, can realize of the uncoupling of grinding disc radial active force with respect to housing.By the vibration leg is constituted as helical spring, obtain above-mentioned advantage equally.
Basically the seat that constitutes a ball and configuration corresponding with them by in two ends that make the vibration leg at least one constitutes a ball-and-socket basically, can obtain one of hinge that couple of force closes especially simply configuration.This structure with the ball in the embedding ball-and-socket can be made especially at low cost.Particularly advantageous is that the vibration leg all constitutes ball and is embedded into respectively in the seat of a ball-and-socket type on two ends.
By making ball-and-socket surround making more than 50% and with elastoplast of ball, ball can be pressed in the ball-and-socket, make that ball is remained in the ball-and-socket well.
By making the vibration leg made of plastic, whole device very gently and in addition vibrates leg and can make with being dirt cheap.By the vibration leg is made with metal, can guarantee that the heat that is produced by the vibration leg that is in the persistent movement is discharged well in superfine milling machine work.
By the vibration leg integrally being constituted and/or constituting symmetrically around its central longitudinal axis rotation, the enforcement that can reach the vibration leg is very simple, and this makes and can make at low cost.
By helical spring being pre-compacted and becoming block, make axial force, promptly compressing with operating physical force in grinding area can no problem ground be transmitted and can be avoided helical spring buckling largely in addition.
Be provided with at least one other damping element, this damping element is injection-moulded between housing and the grinding dish, can guarantee by this: reset force always makes oscillating plate be moved back in its home position.
Description of drawings
Explain embodiments of the invention in detail by accompanying drawing in the following description.
Accompanying drawing is represented:
Fig. 1 has the section that the present invention who is in the ball-shaped end in the ball-and-socket shape seat vibrates first embodiment of leg,
A schematic diagram of the combination of the vibration leg in Fig. 2 vibration leg shown in Figure 1 and the traditional injection moulding, and
The section of one second embodiment of Fig. 3, wherein, the vibration leg constitutes helical spring according to the present invention.
The specific embodiment
Fig. 1 represents one first embodiment of the device of a vibration that is used to reduce superfine milling machine.This superfine milling machine has a housing 2 and a grinding dish 3, and they are in known manner as the part of superfine milling machine.Wherein, grinding dish 3 is connected with the driving shaft of superfine milling machine by known drive unit.Because these devices are known and are not themes of the present invention, therefore they are no longer described and also do not express in the drawings.
This device that is used to reduce to vibrate is positioned between the back side of the downside of housing 2 and grinding dish 3.It is made up of the vibration leg 1 of a rigidity, the first end 10 of this vibration leg be embedded among on housing 2 downsides one first 20 and simultaneously its second end 11 be embedded among on the back side of grinding dish 3 one second 30.
Therefore two ends 10,11 of vibration leg 1 equally constitute, and two seats 20,30 that support these two ends 10,11 constitute too, only describe by first end 10 that vibrates leg 1 and first 20 combination of forming of housing 2 below.These descriptions correspondingly also are suitable for by the second end 11 and second the 30 affiliated combination of forming.
By by first ball 10 ' be connected with the diagram of first ball-and-socket 20 ' form, obtain a hinge, this hinge can not be delivered on the housing 2 radial load and the moment that are parallel to 3 effects of grinding dish from grinding dish 3.Traditional system when grinding dish 3 carries out oscillating movement, between vibration leg 1 and housing 2, cause radial loop around force component, opposite with traditional system, in the form of implementation that constitutes hinge according to the present invention, do not have to vibrate and be delivered in the housing 2.On the contrary, the power of axial action is promptly perpendicular to the power of grinding dish 3 effect, because little skew (degree of eccentricity) and fixing grinding dish (coiling the supporting in the plane) can be transmitted.Can reach thus: compressing in the grinding work is passed on the grinding dish 3 with operating physical force and reaches good grinding result thus.
Fig. 2 schematically shows a bigger part of the intermediate space between housing 2 and the grinding dish 3.On the left side schematically shows a vibration leg 1, and the vibration leg 1 of it and Fig. 1 constitutes similarly.This vibration leg also respectively have at its both ends a ball 10 ', 11 ', each ball embed respectively be ball-and-socket 20 ', 30 ' form the seat 20,30 in.Difference is, ball-and-socket 20 ', 30 ' be no more than ball 10 ', 11 ' hemisphere and do not surround thus ball 10 ', 11 '.Thus, though will ball 10 ', 11 ' sandwich ball-and-socket 20 ', 30 ' in, therefore vibration leg 1 can not kept being present in 20,30 with losing.Here also obtain a hinge, this hinge makes the power of radial effect and moment not to be delivered on the housing 2 from grinding dish 3.
Except that vibration leg 1, also additionally constitute an other damping element 5 on the right.Here relate to a vibration leg as from traditional form of implementation commonly known in the art.This other damping element 5 constitutes symmetrically with respect to its central longitudinal axis rotation and makes with flexible plastics.It is injection-moulded on housing 2 and the grinding dish 3.Obtain a reset force by this other damping element 5, this reset force makes grinding dish 3 automatically return to again in its radially home position with respect to housing 2.
By of the present invention have new-type vibration leg 1 be used to reduce the device of vibration of superfine milling machine and the combination of the other damping element 5 in the known injection moulding, under the situation that grinding dish 3 well resets, reach favorable damping simultaneously.Wherein, the present invention vibrates layout between leg 1 and the known damping element 5 and quantity is distributed and can freely be selected by the producer according to each applicable cases.
Fig. 3 expresses the part that the present invention is used to another embodiment of the device that reduces to vibrate.Between housing 2 and grinding dish 3, settled a helical spring 42 here.The first end 40 of this helical spring 42 is clamped among first 20 of constituting on housing 2 downsides, and its second end 41 is clamped among on the back side that is arranged in grinding dish 3 second 30.This helical spring 42 constitutes symmetrically around its central longitudinal axis 43 rotations.Two seats 20,30 constitute like this, make helical spring 42 can be pressed into like this in these seats, so that shape are maintained in these seats 20,30 sealedly diametrically.
A superfine milling machine can or be equipped the vibration leg 4 of 42 forms of spring in the shape of a spiral of predetermined quantity, perhaps equip the combination of the vibration leg 1 that is rigidity vibration leg 1 form shown in this vibration leg 4 and Fig. 1 and 2, a this rigidity vibration leg 1 and a hinge that 20,30 mating reactions conduct goes couple of force to close.In addition also can be combined with the traditional damping element 5 shown in Fig. 2 right side.In principle can also combination mutually in a superfine milling machine with all three illustrated vibration legs 1,4 and damping element 5.In all combinatory possibilities, single vibration leg 1,4 and damping element 5 are so that the layout and the quantity relations of distribution are contained on the superfine milling machine arbitrarily.
Claims (10)
1. be used to reduce the device of the vibration of superfine milling machine, has at least one vibration leg (4), the first end of this vibration leg (40) is placed in first (20) on the housing (2) of this superfine milling machine, its the second end (41) is placed in second (30) on the grinding dish (3) of this superfine milling machine, and it is characterized in that: this vibration leg (4) is a helical spring (42).
2. according to the device of claim 1, it is characterized in that: helical spring (42) is pre-compacted and becomes block.
3. according to the device of claim 1 or 2, it is characterized in that: have at least one other damping element (5), this damping element is injection-moulded between housing (2) and the grinding dish (3).
4. according to the device of claim 1 or 2, it is characterized in that: have at least one other vibration leg (1).
5. according to the device of claim 4, it is characterized in that: at least one in two ends (10,11) of described other vibration leg (1) constitutes a hinge that goes couple of force to close (12) together with the seat (20,30) of corresponding configuration.
6. according to the device of claim 4, it is characterized in that: at least one in two ends (10,11) of described other vibration leg (1) constitutes a ball (10 ', 11 ') basically, the seat of configuration corresponding with it constitutes a ball-and-socket (20 ', 30 ') basically.
7. according to the device of claim 6, it is characterized in that: two ends (10,11) of described other vibration leg (1) constitute a ball (10 ', 11 ') respectively basically, the seat of configuration corresponding with them (20 ', 30 ') constitutes a ball-and-socket respectively basically.
8. according to the device of claim 6, it is characterized in that: these ball-and-sockets (20 ', 30 ') surround making more than 50% and with flexible plastics of ball (10 ', 11 ').
9. according to the device of claim 4, it is characterized in that: described other vibration leg (1) is made with the plastics or the metal of rigidity.
10. according to the device of claim 4, it is characterized in that: described other vibration leg (1) integrally and/or around its central longitudinal axis rotation constitutes symmetrically.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10342152A DE10342152A1 (en) | 2003-09-12 | 2003-09-12 | Device for reducing the vibration of an orbital sander |
DE10342152.1 | 2003-09-12 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1593848A CN1593848A (en) | 2005-03-16 |
CN100482415C true CN100482415C (en) | 2009-04-29 |
Family
ID=33185810
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2004100752349A Expired - Fee Related CN100482415C (en) | 2003-09-12 | 2004-09-13 | Device for reducing vibration of superfine milling machine |
Country Status (3)
Country | Link |
---|---|
CN (1) | CN100482415C (en) |
DE (1) | DE10342152A1 (en) |
GB (2) | GB2405821B (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8100745B2 (en) | 2007-03-16 | 2012-01-24 | Black & Decker Inc. | Low vibration sander with a flexible top handle |
JP2013202734A (en) * | 2012-03-28 | 2013-10-07 | Hitachi Koki Co Ltd | Power tool |
EP2815843B1 (en) * | 2013-06-21 | 2015-08-12 | X'Pole Precision Tools, Inc. | Durable sander comprising an oscillation buffer element |
CN108296983A (en) * | 2017-12-13 | 2018-07-20 | 天津市天瑞地毯有限公司 | A kind of craft grinding machine with damping effect |
EP4144481A1 (en) * | 2021-09-01 | 2023-03-08 | X'Pole Precision Tools Inc. | Sanding disc stabilizing structure of orbital sander |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB697685A (en) * | 1951-04-30 | 1953-09-30 | Victor John Page | Improvements in and relating to portable tools for performing abrading, polishing and similar operations |
FR1085718A (en) * | 1953-10-28 | 1955-02-07 | Peugeot & Cie | Machine with low amplitude rotary motion controlled by eccentric |
GB814793A (en) * | 1957-04-24 | 1959-06-10 | Sundstrand Machine Tool Co | Rubbing machine |
DE2306925A1 (en) * | 1973-02-13 | 1974-08-15 | Bosch Gmbh Robert | POWER TOOL |
SU870086A1 (en) * | 1979-10-29 | 1981-10-07 | Пермский политехнический институт | Flat grinding device |
DE29801109U1 (en) * | 1998-01-23 | 1998-03-12 | J. Wagner GmbH, 88677 Markdorf | Orbital sander |
JP3634995B2 (en) * | 1999-12-07 | 2005-03-30 | 株式会社マキタ | Sanda |
DE10142557A1 (en) * | 2001-08-30 | 2003-03-20 | Hilti Ag | Portable powered eccentric grinder has an additional setting unit, with a spring and adjustment control, to reinforce the rotation of the grinding plate |
-
2003
- 2003-09-12 DE DE10342152A patent/DE10342152A1/en not_active Withdrawn
-
2004
- 2004-09-09 GB GB0420040A patent/GB2405821B/en not_active Expired - Fee Related
- 2004-09-09 GB GB0602750A patent/GB2420732B/en not_active Expired - Fee Related
- 2004-09-13 CN CNB2004100752349A patent/CN100482415C/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
DE10342152A1 (en) | 2005-04-07 |
GB2405821B (en) | 2006-08-23 |
CN1593848A (en) | 2005-03-16 |
GB0602750D0 (en) | 2006-03-22 |
GB0420040D0 (en) | 2004-10-13 |
GB2420732A (en) | 2006-06-07 |
GB2405821A (en) | 2005-03-16 |
GB2420732B (en) | 2006-08-23 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090429 Termination date: 20170913 |