CN1404963A - Grinding plate - Google Patents
Grinding plate Download PDFInfo
- Publication number
- CN1404963A CN1404963A CN 02141637 CN02141637A CN1404963A CN 1404963 A CN1404963 A CN 1404963A CN 02141637 CN02141637 CN 02141637 CN 02141637 A CN02141637 A CN 02141637A CN 1404963 A CN1404963 A CN 1404963A
- Authority
- CN
- China
- Prior art keywords
- grinding
- saucerspring
- plate
- grinding plate
- tooth
- 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
- 238000000227 grinding Methods 0.000 title claims abstract description 64
- 238000000034 method Methods 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 6
- 238000005452 bending Methods 0.000 claims description 5
- 238000005187 foaming Methods 0.000 claims description 3
- 238000003801 milling Methods 0.000 claims description 3
- 239000000428 dust Substances 0.000 claims description 2
- 239000000463 material Substances 0.000 description 5
- 239000004814 polyurethane Substances 0.000 description 4
- 239000006260 foam Substances 0.000 description 3
- 229920002635 polyurethane Polymers 0.000 description 3
- 230000003044 adaptive effect Effects 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 229920005830 Polyurethane Foam Polymers 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000006261 foam material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000011496 polyurethane foam Substances 0.000 description 1
- 230000009711 regulatory function Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D9/00—Wheels or drums supporting in exchangeable arrangement a layer of flexible abrasive material, e.g. sandpaper
- B24D9/08—Circular back-plates for carrying flexible material
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Polishing Bodies And Polishing Tools (AREA)
Abstract
A grinding plate (14, 54) is used for a hand tool machine (10), in particular for an eccentric grinding machine and a hand ultraprecision grinding machine, consisting of a wheel hub (16) with a support plate (18), at whose lower surface a flexible grinding buffer (20) is supported, characterized in that the support plate (18) is constituted as a bistable plate or a leaf spring (22, 23, 24), thereby, it is especially suitable to produce a flexure plane.
Description
Technical field
The present invention relates to a kind of grinding plate according to the described type of claim 1 preamble.
Background technology
By US 5 309 682 known a kind of grinding dish, it has independent following grinding cushion pad, an abrasive sheet can be fixed on the downside of cushion pad.But the grinding cushion pad removably is fixed on the circular support plate made of plastic by adhesive closure (Klettverschluss) with its back side, and this support plate can be on the output shaft of center fixation at hand-guided grinding.At this, the back side of support plate is up and towards output shaft.
The grinding cushion pad can be connected on the support plate and the motion of support plate or output shaft is delivered on the grinding plate by adhesive closure.
Known grinding plate cushion pad can have different thickness and can be used for the face of grinding spill or convex bending on limited degree.But in this application scenario, the grinding cushion pad is limited on the relative less curvature with the adaptive of surface of the work radius of curvature, and in other words, the radius of curvature of surface of the work is greater than 200mm.
By US 5 931 727 known a kind of hand-guided grinding, be filled with particle in its grinding cushion pad, wherein, its downside has the shape opposite with workpiece by being pressed on the shaping workpiece, this negative shape is fixed by vacuum.Though thus can be with high-quality grinding complex surfaces shape, the manufacturing cost height of this machine.
Summary of the invention
Having the advantage that the present invention of claim 1 characteristic feature has is, also can with uniform thrust and uniformly the grinding amount process the surface of the work of radius of curvature<200mm.In the case, that not only can process spill with same grinding plate but also can process the curved surface of convex.By support plate being constituted leaf spring or saucerspring, can under the relative condition with higher of bending rigidity, guarantee the high resiliency of grinding plate, can realize big grinding amount thus.
Saucerspring or leaf spring constitute as the circular flat ring with flank profil of radially inwardly pointing to, wherein, a wheel hub remains on the tooth top that radially inwardly points to regularly, by this, can realize a kind of bistable spring element in simple mode, it automatically continues to be turned in the bending position of a mirror image symmetry when crossing certain bending position and remains in this position.Therefore, prebend dished this leaf spring or a saucerspring can be turned in the position of a convex.
This leaf spring or saucerspring are surrounded with polyurethane or similar frostproof froth n, thus, can be by selecting expanded material and determining spring performance particularly well in conjunction with its determining dimensions.
Grinding plate has air suction opening, these air suction openings through feed grinding dish vertically in the backlash zone, thus, can dust suction under the situation of the spring performance that does not influence leaf spring or saucerspring.
Under the rectangular situation of grinding plate, two parallel outward flanges can overturn on bistable state ground, thus, can for example process the halfpipe profile that lengthwise extends equably by a superfine milling machine.
Description of drawings
Describe the present invention in detail by embodiment with reference to the accompanying drawings.Shown in the figure:
Fig. 1 has the vertical section of the hand held power machine of the circular grinding plate of the present invention;
Fig. 2 grinding plate shown in Figure 1 bends to the situation in its convex position;
The vertical section of the saucerspring of grinding plate shown in Fig. 3 Fig. 1 and 2;
The vertical view of Fig. 4 saucerspring shown in Figure 3;
The vertical section of another embodiment of Fig. 5 saucerspring;
The vertical view of Fig. 6 saucerspring shown in Figure 5; And
Fig. 7, the spring characteristic curve figure of 8 these saucersprings.
The specific embodiment
Fig. 1 illustrates a hand held power machine 10, and it has a housing 12, and this housing has not other handle label, that have push button up.Stretch out an output shaft 13 from the below of housing 12, by the screw 15 antitorque grinding plates 14 of fixing a circle, this grinding plate is thus along with output shaft 13 rotatablely moves with changeing on this.
Grinding plate 14 has a center hub 16, and this wheel hub has an axially extending bore 17 that is positioned at the center, and screw 15 passes this through hole and the back side of wheel hub 16 is fixed on the output shaft 13.This center hub centers a flat ring discoid spring 22, and this saucerspring is the chief component (Fig. 4,6) of a support plate 18.This saucerspring 22 has a flank profil 34 of radially inwardly pointing to, and this flank profil has backlash 36 and flat ligule tooth 38.These teeth stretch into the outward flange of flat disk wheel hub 16 with its end that is arranged in inner radial.
Saucerspring 22 in both sides by polyurethane or similarly the expanded material foaming surround and constitute the support plate 18 that is surrounded by a foam cushion pad 20 thus.
The grinding plate of being made up of saucerspring 22 and foam cushion pad 20 14 has a plurality of air suction openings 40 that connect in the axial direction, only expresses one of them among the figure, from the back side of this air suction opening the aspirator that does not illustrate in addition can be set.
By a screw 15 grinding plate 14 being fixed on the output shaft 13 on the wheel hub 16, can easily change thus.
Saucerspring 22,23,24,25 are connected with the wheel hub made from the plastics of heat-resisting, high strength and high stability 16, this saucerspring is as bistable switch spring formation and form an insert that shape is sealed, this insert will be fixed at PU (polyurethane) foamed material or integral foam material that the periphery foaming forms, and this expanded material is formed on the grinding cushion pad 20 that both sides surround saucerspring 22.
Saucerspring 18 makes it possible to realize switch and regulatory function.It is used to: be embedded under the state in the polyurethane foam material and be deformed into protruding or recessed grinding dish/grinding plate 14 under the effect in power being in it.Can the processing of Even Grinding ground mainly be conical or spherical shape by this grinding dish.Flexible/the deformability of this saucerspring or grinding dish/grinding plate 14,54 allows to come grinding workpiece surface with approximate smooth form.Continue pressurization vertically if cross the plan-position of grinding plate or grinding dish, then produce rollover effect, grinding plate or grinding dish obtain the shape of back-flexing, promptly become protruding shape by recessed shape.
Make the grinding concave surface be more prone to thus, for example Yuan container or bodywork component, wherein the grinding dish can be easily adaptive with predetermined profile by the rubber-like spring.
Two kinds of different application of the spring performance of saucerspring or leaf spring 22,23,24 are applied.
Fig. 3 illustrates the vertical section of saucerspring 22, and wherein the truncated cone shape of this saucerspring 22 is obvious especially.This can be seen that the continuous ring 32 in the outside, this ring radially inwardly carries out the transition in the flank profil 34 that has tooth 38.
Fig. 4 illustrates the vertical view of saucerspring 22 shown in Figure 3, and wherein flank profil 34 is obvious especially, and the tooth of this flank profil extends radially inwardly, and is separated equably by backlash 36.
Fig. 5,6 illustrate another embodiment of a bistable state saucerspring 23, the difference of this saucerspring and saucerspring 22 is, wideer and top tooth 78 extends to the center of circular discoid spring to tooth 78 always out and away than backlash 76, thus spring performance stiffened more.
Fig. 7 illustrates with power-stroke curve, how to reach maximum when power increases gradually.With the increase of putting forth effort, the reaction force of spring reduces; Spring saltus step when the plan-position can be when the grinding concave surface till being carried to maximum from this position.
Utilization according to the spring of characteristic shown in Figure 7 can the grinding concave surface, convex surface and grinding on flat face.Reach unsure state during through zero crossing at spring force.Can make saucerspring enter state spill or convex with very little power from this point.
Fig. 8 illustrates a characteristic curve of saucerspring, and it obtains like this: along with constantly compressing, spring force increases and i.e. upset before reaching the plan-position.If with the saucerspring unloading, then it returns to original state.Utilize this specific character only can process the surface of the work of spill and convex distortion.Only just can the grinding plane under the very tolerant situation of quality requirement.
Claims (7)
1. be used for the grinding plate (14 on hand held power machine (10), especially eccentric milling drum and the hand-held superfine milling machine, 54), comprise a support plate (18), a flexible grinding cushion pad (20) at the downside upper support of this support plate, it is characterized in that: support plate (18) is as especially bistable leaf spring or saucerspring (22,23,24) constitute.
2. according to the grinding plate of claim 1, it is characterized in that: saucerspring (22) is a circular flat ring with the tooth (38) that radially inwardly points to.
3. according to the grinding plate of claim 1 or 2, it is characterized in that: support plate (18) and abrasive sheet (29) have the axially extending bore that is used for dust suction.
4. according to the grinding plate of claim 2, it is characterized in that: the tooth (38) of saucerspring (22) and backlash (36) are regularly alternately and constitute a flank profil (34) of radially inwardly pointing to, wherein, the end of tooth (38) is connected on the antitorque commentaries on classics of a radially inner side and a wheel hub (16) ground.
5. according to the grinding plate of claim 2, it is characterized in that: saucerspring (22) has the shape of a truncated cone shape jointly with flank profil (34), like this, can process the face of convex bending with medial surface.
6. according to the grinding plate of claim 1, it is characterized in that: saucerspring (22) is bistable, and its outward flange can be with respect to one in the crossing axially upset up or down of reference circle of radially inner side and tooth (38) end.
7. according to the grinding plate of one of aforementioned claim, it is characterized in that: grinding cushion pad (20) or (60) form by saucerspring (23,24,25) is especially surrounded in the both sides foaming.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2001144274 DE10144274A1 (en) | 2001-09-08 | 2001-09-08 | sanding plate |
DE10144274.2 | 2001-09-08 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN1404963A true CN1404963A (en) | 2003-03-26 |
Family
ID=7698318
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 02141637 Pending CN1404963A (en) | 2001-09-08 | 2002-09-06 | Grinding plate |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1291134A1 (en) |
CN (1) | CN1404963A (en) |
DE (1) | DE10144274A1 (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100537139C (en) * | 2003-07-16 | 2009-09-09 | 埃西勒国际通用光学公司 | Optical surface-finishing tool |
CN102123825A (en) * | 2008-09-10 | 2011-07-13 | 埃西勒国际通用光学公司 | Optical-grade surfacing tool |
CN108136559A (en) * | 2015-08-11 | 2018-06-08 | 费斯托工具有限责任公司 | It is ground dish and the grinding machine equipped with it |
CN112873026A (en) * | 2021-01-13 | 2021-06-01 | 意力(广州)电子科技有限公司 | Feeding mechanism and burnishing device |
CN112872929A (en) * | 2021-01-13 | 2021-06-01 | 意力(广州)电子科技有限公司 | Polishing wheel, polishing device and polishing method of cylindrical part |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2900356B1 (en) * | 2006-04-27 | 2008-07-18 | Essilor Int | TOOL FOR SURFACING AN OPTICAL SURFACE |
EP2006048B1 (en) | 2007-06-22 | 2010-08-04 | Metabowerke GmbH | Grinding tool |
EP2422931A1 (en) | 2010-08-31 | 2012-02-29 | Jöst GmbH | Universal grinding plate unit with suction hood for a rotating grinding machine |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1665292A (en) * | 1925-11-27 | 1928-04-10 | Gen Motors Corp | Buffer |
US3583111A (en) * | 1966-08-22 | 1971-06-08 | David Volk | Lens grinding apparatus |
US5309682A (en) * | 1990-03-28 | 1994-05-10 | Robert Bosch Gmbh | Hand held power tool with working disc |
-
2001
- 2001-09-08 DE DE2001144274 patent/DE10144274A1/en not_active Withdrawn
-
2002
- 2002-07-27 EP EP02017022A patent/EP1291134A1/en not_active Withdrawn
- 2002-09-06 CN CN 02141637 patent/CN1404963A/en active Pending
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100537139C (en) * | 2003-07-16 | 2009-09-09 | 埃西勒国际通用光学公司 | Optical surface-finishing tool |
CN102123825A (en) * | 2008-09-10 | 2011-07-13 | 埃西勒国际通用光学公司 | Optical-grade surfacing tool |
CN102123825B (en) * | 2008-09-10 | 2013-06-05 | 埃西勒国际通用光学公司 | Optical-grade surfacing tool |
CN108136559A (en) * | 2015-08-11 | 2018-06-08 | 费斯托工具有限责任公司 | It is ground dish and the grinding machine equipped with it |
CN108136559B (en) * | 2015-08-11 | 2021-05-18 | 费斯托工具有限责任公司 | Grinding disc and grinding machine equipped with same |
CN112873026A (en) * | 2021-01-13 | 2021-06-01 | 意力(广州)电子科技有限公司 | Feeding mechanism and burnishing device |
CN112872929A (en) * | 2021-01-13 | 2021-06-01 | 意力(广州)电子科技有限公司 | Polishing wheel, polishing device and polishing method of cylindrical part |
Also Published As
Publication number | Publication date |
---|---|
EP1291134A1 (en) | 2003-03-12 |
DE10144274A1 (en) | 2003-03-27 |
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Legal Events
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C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
WD01 | Invention patent application deemed withdrawn after publication |