US20120196518A1 - Grinding mechanism - Google Patents
Grinding mechanism Download PDFInfo
- Publication number
- US20120196518A1 US20120196518A1 US13/067,715 US201113067715A US2012196518A1 US 20120196518 A1 US20120196518 A1 US 20120196518A1 US 201113067715 A US201113067715 A US 201113067715A US 2012196518 A1 US2012196518 A1 US 2012196518A1
- Authority
- US
- United States
- Prior art keywords
- grinding
- body portion
- wheel
- grinding wheel
- fastening means
- 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.)
- Abandoned
Links
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
- B24B45/00—Means for securing grinding wheels on rotary arbors
-
- 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
- B24B29/00—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents
- B24B29/005—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents using brushes
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D13/00—Wheels having flexibly-acting working parts, e.g. buffing wheels; Mountings therefor
- B24D13/02—Wheels having flexibly-acting working parts, e.g. buffing wheels; Mountings therefor acting by their periphery
- B24D13/10—Wheels having flexibly-acting working parts, e.g. buffing wheels; Mountings therefor acting by their periphery comprising assemblies of brushes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D7/00—Bonded abrasive wheels, or wheels with inserted abrasive blocks, designed for acting otherwise than only by their periphery, e.g. by the front face; Bushings or mountings therefor
- B24D7/14—Zonally-graded wheels; Composite wheels comprising different abrasives
Definitions
- the present invention relates to a grinding mechanism, and more particularly, to a grinding mechanism having a function of adjusting the position of grinding wheels.
- grinding facilities have been widely adopted, particularly use of grinding wheels (for example sand wheels or brush wheels) can be seen in manufacturing factories such that surfaces of ground workpieces are polished and smooth. Accordingly, grinding wheels are widely welcomed by public consumers.
- grinding wheels for example sand wheels or brush wheels
- abrasive grains in a sand wheel are approximately of the same grade. Therefore, in case people intend to proceed with a mirror grinding on workpieces, they need to perform, in sequence, a rough grinding process and then a fine grinding process so as to obtain ground workpieces as desired. In other words, respective working processes with sand wheels of abrasive grains of various grades, or with a brush wheel for a fine grinding process, are necessary.
- a conventional design resides in mounting dual sand wheels of different specifications on two driving devices in a grinding machine, for example, the conventional grinding machine, as shown in FIG. 1 , has two sand wheels 1 , 2 driven, respectively, by different motors 3 , 4 .
- An object of the present invention is to provide a grinding mechanism, so that on the one hand, working steps can be decreased, and on the other, the position of grinding wheels can be adjusted easily.
- the grinding mechanism comprises a rotating body, a first grinding wheel, a second grinding wheel, at least one first fastening means, at least one second fastening means, and a spacer assembly, wherein the spacer assembly is interposed between the first grinding wheel and the second grinding wheel.
- the first grinding wheel includes a first body portion and a first grinding portion; while the second grinding wheel includes a second body portion and a second grinding portion.
- the first and the second grinding portions have different diameters from each other, and are spaced from each other axially, and have different grinding precisions.
- the at least one first fastening means passes through the first body portion and threadedly fastens into the rotating body so as to press and secure the first body portion against and on the rotating body.
- the at least one second fastening means passes through the second body portion and the spacer assembly, and threadedly fastens into the first body portion, so as to press and secure the second body portion and the spacer assembly against and on the first body portion of the first grinding wheel.
- the first grinding wheel may relate to a sand wheel, while the second grinding wheel to a brush wheel.
- such assembly can be employed in an occasion where a high grinding precision is required, for instance wafer grinding.
- Both the at least one first and second fastening means may relate to bolts.
- the spacer assembly may consist of at least one elastic sheet, for instance rubber elastic sheet so as to facilitate a fine adjustment on the spacing between the two grinding wheels, and to absorb the stress incurred by the fastening means.
- the rotating body may internally be provided with a slurry channel for flowing of grinding slurry.
- FIG. 1 is a perspective view illustrating a conventional grinding machine with dual grinding wheels
- FIG. 2 is a cross-sectional view illustrating a grinding mechanism according to the present invention.
- FIG. 3 is an exploded view illustrating the grinding mechanism according to the present invention.
- the grinding mechanism comprises a rotating body 10 , a first grinding wheel 13 , a second grinding wheel 14 , a spacer assembly 15 , a plurality of first fastening means 31 , and a plurality of second fastening means 32 .
- the rotating body 10 consists of a motor spindle 11 and a flange 12 , wherein the flange 12 is threadedly engaged on an end of the motor spindle 11 by bolts 30 such that the flange 12 and the motor spindle 11 are coaxially arranged so as to rotate synchronously.
- the rotating body 10 is internally provided with a slurry channel 121 for flowing of grinding slurry.
- the first grinding wheel 13 relating to a cup-like sand wheel, includes a first body portion 131 and a first grinding portion 132 having abrasive grains where the first body portion 131 and the first grinding portion 132 are fixed together.
- the second grinding wheel 14 relating to a cup-like brush wheel, includes a second body portion 141 and a second grinding portion 142 having bristles where the second body portion 141 and the second grinding portion 142 are fixed together.
- the first body portion 131 of the first grinding wheel 13 is threadedly fastened to an end surface of the flange 12 by the first fastening means 31 for instance bolts.
- the spacer assembly 15 consists of a plurality of spacers 151 made of the same or different materials.
- the spacer 151 relates to at least one resilient sheet, particularly rubber elastic sheet.
- the second fastening means 32 for instance bolts, pass through both the second body portion 141 of the second grinding wheel 14 and the spacer assembly 15 , and threadedly fasten into the first body portion 131 of the first grinding wheel 13 such that the second grinding wheel 14 and the spacer assembly 15 can be securely attached to the first grinding wheel 13 .
- the first grinding wheel 13 which is a sand wheel
- the second grinding wheel 14 which is a brush wheel
- the second grinding wheel 14 has a higher grinding precision.
- the first grinding wheel 13 has a diameter greater than that of the second grinding wheel 14
- the first grinding portion 132 is farther away from an axis X of the rotating body 10 than the second grinding portion 142 .
- the second grinding portion 142 extends, in an axial direction, further downward than the first grinding portion 132 , and that a spacing h between them is determined in accordance with requirement in application.
- the spacing h refers to a distance between outmost end surfaces (free end surfaces) of the first grinding portion 132 and of the second grinding portion 142 .
- the outside-located first grinding portion 132 when the grinding mechanism performs a workpiece grinding, the outside-located first grinding portion 132 will be first employed to perform a rough grinding on a workpiece, then the second grinding portion 142 having bristles will follow for a fine grinding. Therefore, in a single grinding stroke, both steps of rough grinding and fine grinding can be accomplished. This will significantly save time and efforts, and besides, a more precise grinding outcome can be obtained.
- the second fastening means 32 need to be removed first, and then the thickness of the spacer assembly 15 is altered by increasing or decreasing the number of the spacers 151 . Accordingly, thickness of the spacers 151 determines as to how extent the spacing h is adjusted. That is to say, the thinner the spacers 151 are, the wider ranges of the adjustment are.
- the resilient sheets (spacers 151 ) adopted in the present embodiment have some merits, namely, their elastic character not only facilitates a fine adjustment for the spacing h, but also absorbs the stress incurred by the fastening means 31 , 32 .
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Polishing Bodies And Polishing Tools (AREA)
Abstract
A grinding mechanism includes a rotating body, a first grinding wheel, a second grinding wheel, a first fastening means, a second fastening means, and a spacer assembly, a first fastening means passing through the first body portion and fastening into the rotating body, a second grinding wheel including a second body portion and a second grinding portion. The first and the second grinding portions have different diameter from each other, and are spaced from each other axially, and have different grinding precisions. The spacer assembly is interposed between the first grinding wheel and the second grinding wheel. The second fastening means passes through the second body portion and the spacer assembly, and threadedly fastens into the first body portion, so as to press and secure the second body portion and the spacer assembly against and on the first body portion.
Description
- 1. Field of the Invention
- The present invention relates to a grinding mechanism, and more particularly, to a grinding mechanism having a function of adjusting the position of grinding wheels.
- 2. Description of Related Art
- Currently grinding facilities have been widely adopted, particularly use of grinding wheels (for example sand wheels or brush wheels) can be seen in manufacturing factories such that surfaces of ground workpieces are polished and smooth. Accordingly, grinding wheels are widely welcomed by public consumers.
- For conventional sand wheels, abrasive grains in a sand wheel are approximately of the same grade. Therefore, in case people intend to proceed with a mirror grinding on workpieces, they need to perform, in sequence, a rough grinding process and then a fine grinding process so as to obtain ground workpieces as desired. In other words, respective working processes with sand wheels of abrasive grains of various grades, or with a brush wheel for a fine grinding process, are necessary. A conventional design resides in mounting dual sand wheels of different specifications on two driving devices in a grinding machine, for example, the conventional grinding machine, as shown in
FIG. 1 , has twosand wheels 1,2 driven, respectively, bydifferent motors - However, it is rather cumbersome for those who undertake the above-mentioned working processes. Even if a rough-grinding wheel and a fine-grinding wheel (or a brush wheel) use the same driving device, steps of attaching and detaching the grinding wheels/brush wheel are indispensable. In these occasions, people have to take into account of the problems such as dynamic balance, concentricity, roundness, and so forth, when attaching and detaching the grinding wheels. Taking care of these problems is of very much time consuming.
- An object of the present invention is to provide a grinding mechanism, so that on the one hand, working steps can be decreased, and on the other, the position of grinding wheels can be adjusted easily.
- To achieve the above-mentioned purpose, the grinding mechanism, according to the present invention, comprises a rotating body, a first grinding wheel, a second grinding wheel, at least one first fastening means, at least one second fastening means, and a spacer assembly, wherein the spacer assembly is interposed between the first grinding wheel and the second grinding wheel.
- According to the present invention, the first grinding wheel includes a first body portion and a first grinding portion; while the second grinding wheel includes a second body portion and a second grinding portion. The first and the second grinding portions have different diameters from each other, and are spaced from each other axially, and have different grinding precisions.
- The at least one first fastening means passes through the first body portion and threadedly fastens into the rotating body so as to press and secure the first body portion against and on the rotating body. The at least one second fastening means passes through the second body portion and the spacer assembly, and threadedly fastens into the first body portion, so as to press and secure the second body portion and the spacer assembly against and on the first body portion of the first grinding wheel.
- Through the above-mentioned structure, not only energy and facility cost can be saved by only using one single driving device to drive the two grinding wheels, but also a rough grinding and a fine grinding can be accomplished within a grinding process. Besides, adjustment on the spacing between the two grinding wheels is very easy.
- The first grinding wheel may relate to a sand wheel, while the second grinding wheel to a brush wheel. In particular, such assembly can be employed in an occasion where a high grinding precision is required, for instance wafer grinding. Both the at least one first and second fastening means may relate to bolts.
- Further, according to the present invention, the spacer assembly may consist of at least one elastic sheet, for instance rubber elastic sheet so as to facilitate a fine adjustment on the spacing between the two grinding wheels, and to absorb the stress incurred by the fastening means.
- Still further, according to the present invention, the rotating body may internally be provided with a slurry channel for flowing of grinding slurry.
- Other objects, advantages, and novel features of the present invention will become more apparent from the following detailed description when taken in conjunction with the accompanying drawings.
-
FIG. 1 is a perspective view illustrating a conventional grinding machine with dual grinding wheels; -
FIG. 2 is a cross-sectional view illustrating a grinding mechanism according to the present invention; and -
FIG. 3 is an exploded view illustrating the grinding mechanism according to the present invention. - Referring to
FIGS. 2 and 3 , cross-sectional and exploded views illustrating a grinding mechanism according to the present invention, the grinding mechanism comprises a rotatingbody 10, afirst grinding wheel 13, asecond grinding wheel 14, aspacer assembly 15, a plurality of first fastening means 31, and a plurality of second fastening means 32. According to the present invention, the rotatingbody 10 consists of amotor spindle 11 and aflange 12, wherein theflange 12 is threadedly engaged on an end of themotor spindle 11 bybolts 30 such that theflange 12 and themotor spindle 11 are coaxially arranged so as to rotate synchronously. The rotatingbody 10 is internally provided with aslurry channel 121 for flowing of grinding slurry. - According to the present invention, the first grinding
wheel 13, relating to a cup-like sand wheel, includes afirst body portion 131 and afirst grinding portion 132 having abrasive grains where thefirst body portion 131 and thefirst grinding portion 132 are fixed together. Thesecond grinding wheel 14, relating to a cup-like brush wheel, includes asecond body portion 141 and a second grindingportion 142 having bristles where thesecond body portion 141 and thesecond grinding portion 142 are fixed together. - The
first body portion 131 of thefirst grinding wheel 13 is threadedly fastened to an end surface of theflange 12 by the first fastening means 31 for instance bolts. Thespacer assembly 15 consists of a plurality ofspacers 151 made of the same or different materials. In the present invention, thespacer 151 relates to at least one resilient sheet, particularly rubber elastic sheet. - The second fastening means 32, for instance bolts, pass through both the
second body portion 141 of thesecond grinding wheel 14 and thespacer assembly 15, and threadedly fasten into thefirst body portion 131 of thefirst grinding wheel 13 such that thesecond grinding wheel 14 and thespacer assembly 15 can be securely attached to thefirst grinding wheel 13. - According to the present invention, the first grinding
wheel 13, which is a sand wheel, is employed for a rough grinding on workpieces; while the second grindingwheel 14, which is a brush wheel, is employed for a fine grinding on workpieces. In other words, the second grindingwheel 14 has a higher grinding precision. Further, since thefirst grinding wheel 13 has a diameter greater than that of thesecond grinding wheel 14, thefirst grinding portion 132 is farther away from an axis X of the rotatingbody 10 than thesecond grinding portion 142. Thesecond grinding portion 142 extends, in an axial direction, further downward than thefirst grinding portion 132, and that a spacing h between them is determined in accordance with requirement in application. The spacing h refers to a distance between outmost end surfaces (free end surfaces) of thefirst grinding portion 132 and of thesecond grinding portion 142. - Through the above-mentioned structure, when the grinding mechanism performs a workpiece grinding, the outside-located
first grinding portion 132 will be first employed to perform a rough grinding on a workpiece, then thesecond grinding portion 142 having bristles will follow for a fine grinding. Therefore, in a single grinding stroke, both steps of rough grinding and fine grinding can be accomplished. This will significantly save time and efforts, and besides, a more precise grinding outcome can be obtained. - When the
grinding portions portions spacer assembly 15 is altered by increasing or decreasing the number of thespacers 151. Accordingly, thickness of thespacers 151 determines as to how extent the spacing h is adjusted. That is to say, the thinner thespacers 151 are, the wider ranges of the adjustment are. - In particular, the resilient sheets (spacers 151) adopted in the present embodiment have some merits, namely, their elastic character not only facilitates a fine adjustment for the spacing h, but also absorbs the stress incurred by the fastening means 31,32.
- Although the present invention has been explained in relation to its preferred embodiments, it is to be understood that many other possible modifications and variations can be made without departing from the scope of the invention as hereinafter claimed.
Claims (9)
1. A grinding mechanism, comprising:
a rotating body;
a first grinding wheel, including a first body portion and a first grinding portion;
at least one first fastening means, passing through the first body portion and threadedly fastening into the rotating body so as to press and secure the first body portion against and on the rotating body;
a second grinding wheel, including a second body portion and a second grinding portion, wherein the first and the second grinding portions have different diameters from each other, and are spaced from each other axially, and have different grinding precisions;
a spacer assembly, being interposed between the first grinding wheel and the second grinding wheel; and
at least one second fastening means, passing through the second body portion and the spacer assembly and threadedly fastening into the first body portion so as to press and secure the second body portion and the spacer assembly against and on the first body portion of the first grinding wheel.
2. The grinding mechanism as claimed in claim 1 , wherein the first grinding wheel relates to a sand wheel.
3. The grinding mechanism as claimed in claim 2 , wherein the second grinding wheel relates to a brush wheel.
4. The grinding mechanism as claimed in claim 1 , wherein the second grinding wheel relates to a brush wheel.
5. The grinding mechanism as claimed in claim 1 , wherein the spacer assembly consists of at least one elastic sheet.
6. The grinding mechanism as claimed in claim 5 , wherein the at least one elastic sheet is a rubber elastic sheet.
7. The grinding mechanism as claimed in claim 1 , wherein the at least one first fastening means relates to a bolt.
8. The grinding mechanism as claimed in claim 1 , wherein the at least one second fastening means relates to a bolt.
9. The grinding mechanism as claimed in claim 1 , wherein the rotating body is internally provided with a slurry channel for flowing of grinding slurry.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW100202084 | 2011-01-28 | ||
TW100202084U TWM417989U (en) | 2011-01-28 | 2011-01-28 | Grinding mechanism |
Publications (1)
Publication Number | Publication Date |
---|---|
US20120196518A1 true US20120196518A1 (en) | 2012-08-02 |
Family
ID=44900737
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US13/067,715 Abandoned US20120196518A1 (en) | 2011-01-28 | 2011-06-22 | Grinding mechanism |
Country Status (5)
Country | Link |
---|---|
US (1) | US20120196518A1 (en) |
JP (1) | JP3171268U (en) |
CN (1) | CN202088084U (en) |
DE (1) | DE202011050478U1 (en) |
TW (1) | TWM417989U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20120214388A1 (en) * | 2011-02-18 | 2012-08-23 | Green Energy Technology Inc. | Position adjustment mechanism of grinding wheels |
US20130244551A1 (en) * | 2012-03-14 | 2013-09-19 | You-Yuan Liu | Polishing mechanism and manipulator using the polishing mechanism |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
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KR101540572B1 (en) * | 2013-12-17 | 2015-07-31 | 주식회사 엘지실트론 | Spindle unit apparatus including wheel for chuck grinding |
DE102019113317A1 (en) * | 2019-05-20 | 2020-11-26 | Hartmetall-Werkzeugfabrik Paul Horn Gmbh | Combined grinding and brushing device |
CN112518580B (en) * | 2020-11-20 | 2021-09-28 | 杭州电子科技大学 | Wood cutter for polishing and oppositely grinding hard metal materials and assembling method thereof |
CN112959189B (en) * | 2021-03-01 | 2022-09-02 | 南京时珍生物科技有限公司 | Rust removal device for mechanical production |
CN115635415A (en) * | 2022-09-30 | 2023-01-24 | 西安奕斯伟材料科技有限公司 | Grinding wheel, grinding device, grinding method and silicon wafer |
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- 2011-01-28 TW TW100202084U patent/TWM417989U/en not_active IP Right Cessation
- 2011-04-12 CN CN2011201053489U patent/CN202088084U/en not_active Expired - Fee Related
- 2011-06-17 DE DE202011050478U patent/DE202011050478U1/en not_active Expired - Lifetime
- 2011-06-22 US US13/067,715 patent/US20120196518A1/en not_active Abandoned
- 2011-08-11 JP JP2011004724U patent/JP3171268U/en not_active Expired - Fee Related
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US8753175B2 (en) * | 2011-02-18 | 2014-06-17 | Green Energy Technology Inc. | Position adjustment mechanism of grinding wheels |
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Also Published As
Publication number | Publication date |
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JP3171268U (en) | 2011-10-20 |
DE202011050478U1 (en) | 2011-09-30 |
TWM417989U (en) | 2011-12-11 |
CN202088084U (en) | 2011-12-28 |
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