EP1617971A1 - Schleifkopf - Google Patents
SchleifkopfInfo
- Publication number
- EP1617971A1 EP1617971A1 EP04720843A EP04720843A EP1617971A1 EP 1617971 A1 EP1617971 A1 EP 1617971A1 EP 04720843 A EP04720843 A EP 04720843A EP 04720843 A EP04720843 A EP 04720843A EP 1617971 A1 EP1617971 A1 EP 1617971A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- drive
- grinding
- grinding head
- disk
- gear
- 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.)
- Granted
Links
- 230000000712 assembly Effects 0.000 claims description 4
- 238000000429 assembly Methods 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 abstract description 4
- 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 abstract 3
- 238000005299 abrasion Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/04—Headstocks; Working-spindles; Features relating thereto
- B24B41/047—Grinding heads for working on plane surfaces
Definitions
- the invention relates to a grinding head with a disk-shaped base body, which carries a plurality of rotatably driven grinding wheels, a traction drive for a drive shaft, which is mounted in a housing, with a spherical drive head, on which a two-part connecting piece is seated, which is pivotably mounted about a driving pin of the drive head, a non-rotatable one Gear connection between the drive head and traction means for driving the rotatably mounted grinding wheels and a high-reduction gear between the drive head and the disk-shaped base body.
- a generic grinding head is already known (DE 198 37 218 A1), which is designed as a closed structural unit and, in addition to a first spherical bearing, which has a universal joint between the carrier and a drive member mounted in a frame for the carrier, which joint has the same center point as the first spherical bearing and connects the grinding wheels to a drive shaft which extends coaxially to the drive member and can be pivoted freely.
- This known grinding head in particular due to the two spherical bearings, requires a considerable amount of construction work and, due to its closed design, is not variable to the desired extent, and in particular is not suitable for a combination with other grinding devices.
- the present invention has for its object to provide a simply constructed grinding head, in which the speed of the individual grinding wheels significantly exceeds that of the supporting disc-shaped base body and which can be combined with grinding devices of other designs, also with grinding devices of known designs.
- This object is achieved according to the invention in a grinding head of the type mentioned at the outset in that the grinding head is formed from three assemblies which can be detached from one another, namely a drive part seated in a housing, a gear part and a disk-shaped base body, that the gear part has a central body for rotatable, coaxial reception of the connecting part, that the high-reduction gear is mounted radially outside the central body, which is fixed on the one hand to the housing and whose high-reduction part is connected to transmit the rotation to the radially inner disc body of the base body, that the disc body rotates on a
- the hub is seated, which engages in a receptacle of the gear part in a form-fitting manner and that a central drive disk for driving the grinding wheels is
- the division of the grinding head according to the invention into three assemblies makes it possible for the drive part to be combined to form a unit with a gear part and then with a disk-shaped base body. It is possible to work with basic bodies of different designs, in particular to adapt the diameter and / or the structural height to the conditions of use, by using different basic bodies.
- Disc bodies can also be connected to the drive unit, on which the individual grinding discs are set in rotation not by mechanical drive but by friction on the surface to be ground. In this way, the dimensions are particularly small, as can be found in some workplaces (slide sealing surface distance).
- the grinding heads can work with chains or toothed belts as traction means. The user will make the selection according to the respective circumstances.
- the high-reduction gear is a harmonic drive gear.
- This type of gearbox has become known for similar devices, in particular because of its relatively small size and high translation ratio.
- the grinding head according to the invention can also be designed in such a way that the grinding wheels each sit on pivotably mounted levers for adjusting their distance from the center of the base body. This arrangement of the grinding wheels is known per se. It enables the grinding wheel positions to be adapted to the respective structural conditions and allows good abrasion results on the material to be ground at high speeds, especially when the grinding wheels are driven in rotation.
- a tension element for driving the grinding wheels rotates around the central driving wheel as well as further driving wheels which are in drive connection with the individual grinding wheels.
- a stop is provided on the gear part on its side facing the drive part, which stops when the gear part rotates about its axis on the drive part. In this way, the required locking of one side of the strongly reducing gear is ensured. If the direction of rotation of the drive changes, the stop then assumes a blocking position, the stop striking the other side of the drive part.
- two stops of this type are provided, which are placed in front of or behind the drive part in the direction of rotation.
- Fig. 1 shows an axial section through an embodiment of the invention
- FIG. 2 shows an exploded view of the grinding head according to FIG. 1;
- FIG. 3 shows an axial section through an alternative embodiment of the disk-shaped base body
- Fig. 4 is a plan view of an embodiment of a disc-shaped
- FIG. 5 is a rear view of the arrangement shown in Fig. 4; 6 shows an axial section through an embodiment of the drive unit according to the invention with non-driven grinding wheels, and FIG. 7 shows an exploded view of the arrangement according to FIG. 6.
- FIG. 1 and 2 shows a drive part 1, a gear part 2 2 and a disk-shaped base body 3.
- the gear part 2 has a housing 4, on which sits a drive motor, not shown, which engages via a traction means, that is to say a chain or a toothed belt, on a wheel 5 which is fixed on a drive shaft 6 and drives it.
- the shaft 6 has a spherical drive head 7 with a drive pin 8.
- the drive head 7 is surrounded by a two-part connecting piece 9, which is movably mounted around the drive pin 8 with respect to the drive head 7.
- a guide section 10 projects from the connecting piece 9.
- the gear part 2 has a central body 15 with a receptacle 16 into which the connector 9 is inserted and secured by means of screws 17.
- the central body 15 is surrounded by a bearing section 18, which is preferably formed from a harmonic drive gear.
- a bearing section 18 is preferably formed from a harmonic drive gear.
- a stop 19 projecting in the direction of the drive part 1, which engages behind the housing 4 in the assembled state and thus blocks rotation of the associated part 20 of the bearing section 18 in the respective direction of rotation of the shaft 6.
- the opposite part 21 of the bearing section 18 is then rotated at a greatly reduced speed.
- the disk-shaped base body 3 has a receptacle 25 which receives the facing side of the gear part 2 up to the stop 26 on the gear part 2. In this position there is a positive connection between a receiving opening 27 in the gear part 2 and a shaped pin 28 which is seated on a hub 29 on which a disk body 30 is rotatably fixed. Screws 31 establish a firm connection between the disk body 30 and the part 21 of the bearing section 18 the transmission part 2 ago. As a result, the greatly reduced speed in part 21 of the bearing section 18 is transmitted to the disk body 30.
- a driver disk 32 which is coupled to a driver disk 33 via a traction means, the axis 34 of this driver disk forming the fulcrum of an arm 35, on the radially outer end of which a grinding disk 36 is mounted on a shaft 37 ,
- Another drive plate sits on the axis 34 and is coupled to the drive plate 39.
- FIG. 3 shows an embodiment of the disk-shaped base body 3 according to the invention, which differs from the one described above in that here the grinding wheels 40, only one of which is shown, are rotatably arranged on the base body in a fixed position.
- the speed at the connector 9 of the drive part 1 is transmitted via the receptacle 16 to the hub 29 and the driving disk 32 firmly connected to it.
- a tension element then leads to a corresponding rotation of the axis 34 of the grinding wheel 40.
- the rotation of the wheel body itself takes place via the previously described connection between the gear part 2 and the receptacle 25.
- a disk-shaped base body is shown in front and rear view, which is provided with pivotable arms 35 which are pivotable on the shafts 37 in order to adapt their radial position to the grinding wheel 40 to the dimensions required in each case.
- the driving disks of all shafts 37 are operated, that is to say driven, by means of a traction means 46 starting from the driving disk 32.
- Rollers 47 are additionally provided for guiding the traction means.
- 6 and 7 illustrate that, with the drive part 1 unchanged, it is also possible to work with grinding wheels 48 which, when the disk-shaped base body rotates, are set into rotation solely by their friction on the surface to be machined.
- Such a disk-shaped body can now be easily placed on a connection piece 9, which then engages in a receptacle 49.
- the use of such basic bodies can be quite expedient on account of special space conditions, for example on the basis of the space conditions.
- the grinding head according to the invention can be adapted in a variety of ways to conditions occurring in practice, since the drive unit can be combined with different basic units and gear units with different designs.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
- Polishing Bodies And Polishing Tools (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
- Inorganic Insulating Materials (AREA)
- Glass Compositions (AREA)
- Friction Gearing (AREA)
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2003117004 DE10317004A1 (de) | 2003-04-11 | 2003-04-11 | Schleifkopf |
PCT/DE2004/000526 WO2004091859A1 (de) | 2003-04-11 | 2004-03-16 | Schleifkopf |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1617971A1 true EP1617971A1 (de) | 2006-01-25 |
EP1617971B1 EP1617971B1 (de) | 2006-11-22 |
Family
ID=33154191
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP04720843A Expired - Lifetime EP1617971B1 (de) | 2003-04-11 | 2004-03-16 | Schleifkopf |
Country Status (6)
Country | Link |
---|---|
US (1) | US20060199483A1 (de) |
EP (1) | EP1617971B1 (de) |
AT (1) | ATE345900T1 (de) |
DE (2) | DE10317004A1 (de) |
ES (1) | ES2277667T3 (de) |
WO (1) | WO2004091859A1 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE202010017439U1 (de) | 2010-06-14 | 2012-02-09 | Efco Maschinenbau Gmbh | Vorrichtung zur spanabhebenden Bearbeitung einer Dichtfläche einer Armatur |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1901681A (en) * | 1929-10-10 | 1933-03-14 | John J Vicenzi | Floor surfacing machine |
US1928390A (en) * | 1932-05-28 | 1933-09-26 | American Floor Surfacing Mach | Planetary type surfacing machine |
US1919389A (en) * | 1932-05-28 | 1933-07-25 | American Floor Surfacing Mach | Planetary type surfacing machine |
US2948087A (en) * | 1958-11-03 | 1960-08-09 | Reproduction Res Lab Inc | Plate graining apparatus |
US3169262A (en) * | 1964-01-07 | 1965-02-16 | Electrolux Corp | Floor polisher with double-toothed belt drive |
FR2316044A1 (fr) * | 1975-07-02 | 1977-01-28 | Martelli Antonio | Perfectionnements aux polisseuses lustreuses de dallages |
US4097950A (en) * | 1977-03-07 | 1978-07-04 | Milliken Research Corporation | Device for scrubbing surfaces |
US4319434A (en) * | 1980-05-08 | 1982-03-16 | R/B Manufacturing, Inc. | Surface processing machine |
US4328645A (en) * | 1980-06-04 | 1982-05-11 | The Boeing Company | Multiple spindle flexible sanding head |
DE8702555U1 (de) * | 1987-02-19 | 1987-04-02 | Tabori, Franz, 51588 Nümbrecht | Schleifmaschine |
DE19735936C1 (de) * | 1997-08-19 | 1998-09-24 | Unislip Gmbh | Universal-Schleifkopf für stationäre oder mobile Maschinen |
-
2003
- 2003-04-11 DE DE2003117004 patent/DE10317004A1/de not_active Withdrawn
-
2004
- 2004-03-16 WO PCT/DE2004/000526 patent/WO2004091859A1/de active IP Right Grant
- 2004-03-16 AT AT04720843T patent/ATE345900T1/de not_active IP Right Cessation
- 2004-03-16 US US10/552,566 patent/US20060199483A1/en not_active Abandoned
- 2004-03-16 DE DE502004002098T patent/DE502004002098D1/de not_active Expired - Lifetime
- 2004-03-16 EP EP04720843A patent/EP1617971B1/de not_active Expired - Lifetime
- 2004-03-16 ES ES04720843T patent/ES2277667T3/es not_active Expired - Lifetime
Non-Patent Citations (1)
Title |
---|
See references of WO2004091859A1 * |
Also Published As
Publication number | Publication date |
---|---|
ES2277667T3 (es) | 2007-07-16 |
DE10317004A1 (de) | 2004-11-11 |
ATE345900T1 (de) | 2006-12-15 |
EP1617971B1 (de) | 2006-11-22 |
US20060199483A1 (en) | 2006-09-07 |
DE502004002098D1 (de) | 2007-01-04 |
WO2004091859A1 (de) | 2004-10-28 |
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