CN102229120A - Diameter-variable CBN (Cubic Boron Nitride) grinding wheel - Google Patents
Diameter-variable CBN (Cubic Boron Nitride) grinding wheel Download PDFInfo
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- CN102229120A CN102229120A CN2011101319608A CN201110131960A CN102229120A CN 102229120 A CN102229120 A CN 102229120A CN 2011101319608 A CN2011101319608 A CN 2011101319608A CN 201110131960 A CN201110131960 A CN 201110131960A CN 102229120 A CN102229120 A CN 102229120A
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Abstract
The invention discloses a diameter-variable CBN (Cubic Boron Nitride) grinding wheel, which comprises an elastically-deformable grinding wheel basal body. A CBN layer is adhered to an external circumferential surface of the basal body. As the CBN layer is adhered to the elastically-deformable grinding wheel basal body, when the diameter-variable CBN grinding wheel is used, if the diameter of the grinding wheel becomes smaller due to grinding loss and does not satisfy with technological requirements, the basal body can be controlled to deform elastically to swell so as to ensure that the diameter of the grinding wheel satisfies with the technological requirements, so that workpieces can be continuously ground, and the diameter-variable CBN grinding wheel has the characteristics of high efficiency and high quality.
Description
Technical field
The present invention relates to the emery wheel that a kind of grinding is used.
Background technology
Globoid cam (Globoidal Cam) claims roller profile of tooth cam (Roller Gear Cam), globoidal cam, Worm type cam etc. again.Formally used the arc surfaced indexing cam term in GB in 1988 " the theoretical and theory of mechanisms term of machine " the declaration original text.
The profile of globoid cam is that helicoid can not be opened up in the space, is difficult to express with math equation.The most effective processing method is simulated its operation principle with lathe exactly.Be that lathe has a workpiece gyroaxis (A axle), anchor clamps are equivalent to camshaft, are installed on the A axle.Lathe also has a gyroaxis (B axle), is equivalent to driven shaft, and cutter is equivalent to roller.The distance of A axle and B axle equals the distance between camshaft and the driven shaft.In A axle and the B axle simulation cam calibration process, the characteristics of motion between camshaft and the driven shaft, the emery wheel measure-alike with roller just can process desirable globoid cam curved surface.
Want to realize the processing of high-precision globoid cam, in the certain margin of tolerance of the necessary maintenance of the process medium plain emery wheel diameter of grinding.Yet the diameter of emery wheel is constantly to change in the process of grinding, if it is impossible carrying out grinding according to conventional method, in case because abrasion of grinding wheel just must must be changed emery wheel, both lost time, also causes the immense pressure on the cost.Therefore the method for grinding of prior art carries out grinding with regard to adopting the method for planet grinding, the principle of planet grinding as shown in Figure 1, the internal diameter of a B diameter work piece 200 of emery wheel 100 grindings of an A diameter, this emery wheel 100 need be walked the circle of an A-B diameter.It utilizes high-speed electric main shaft to reach high grinding linear velocity, utilizes the offset of the planet revolution centre of gyration and the rotation centre of gyration, realizes that grinding points equals the grinding requirement of radius of roller to the revolution centre of gyration.Concrete technology can be with reference to " application of globoid cam 5-shaft linkage numerical control planetary mills turning equipment " literary composition of people such as Zhou Dingwu.
Yet, the milling drum meeting for once because emery wheel revolves round the sun at every turn is not a continuous grinding, causes the grinding efficiency of this method for grinding extremely low, mention " this kind monthly output remains on more than 50 covers " in ending place of above-mentioned document, well imagine the low of this kind processing method efficient.Simultaneously, owing to during the revolution of grinding electricity main shaft, certain offset is arranged, the main shaft revolution has certain vibration, adds and is not continuous grinding, the effect that the surface quality of machined surface also can't arrive.
In sum, emery wheel of the prior art greatly affects working (machining) efficiency and crudy such as parts such as globoid cams because the loss diameter in the grinding process can constantly dwindle.
Therefore, at the problems referred to above, be necessary to make improvements.
Summary of the invention
In view of the above-mentioned shortcoming of prior art, the technical problem to be solved in the present invention provides a kind of CBN emery wheel of variable-diameter, thereby can adjust grinding wheel diameter when grinding, makes the diameter of emery wheel satisfy technological requirement all the time.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of CBN emery wheel of variable-diameter, it comprises the grinding wheel base body of elastically deformable, the outer round surface of described matrix is attached with the CBN layer.
The CBN emery wheel of variable-diameter of the present invention also can be done following improvement:
As improvement of the technical scheme, described matrix is a tubular elastic metallic matrix.
As further improvement in the technical proposal, described matrix is the tubular rubber matrix.
As further improvement in the technical proposal, the inside and outside surface of described matrix respectively has the expansion joint of some roads axial distribution, and described CBN layer is positioned at a plurality of zones of being separated by the expansion joint on the outer surface.
As further improvement in the technical proposal, described matrix inner surface is a conical surface.
As further improvement in the technical proposal, described matrix inner surface is two sections crossing conical surfaces, and the radius of these two sections conical surfaces shrinks to the matrix middle part.
As further improvement in the technical proposal, described CBN layer is that sintering is on described matrix.
With respect to prior art, the invention has the beneficial effects as follows: because the CBN emery wheel of variable-diameter of the present invention, its CBN layer is attached on the matrix of elastically deformable, when it uses, when if the diameter of emery wheel does not meet technological requirement owing to the grinding loss diminishes, can make it to expand by control matrix strain, make grinding wheel diameter meet technological requirement, thereby workpiece is carried out continuous grinding, have efficient, high-quality characteristics.
Be described further below with reference to the technique effect of accompanying drawing, to understand purpose of the present invention, feature and effect fully design of the present invention, concrete structure and generation.
Description of drawings
Fig. 1 is the planet grinding schematic diagram of prior art;
Fig. 2 is the embodiment schematic top plan view of emery wheel of the present invention;
Fig. 3 be among Fig. 2 A-A to cross-sectional schematic;
Fig. 4 is a kind of schematic diagram of emery wheel user mode of the present invention;
Fig. 5 is the schematic diagram of another kind of emery wheel user mode of the present invention.
The specific embodiment
The basic design of the inventive method is: the CBN emery wheel that a kind of variable-diameter is provided, make the diameter of CBN emery wheel to adjust, thereby make the diameter of emery wheel satisfy technological requirement all the time, create conditions for can carrying out continuous grinding, thereby improve grinding efficiency and crudy greatly workpiece.
Fig. 2 and Fig. 3 show an embodiment of emery wheel of the present invention, and it comprises the matrix 1 of elastically deformable, and the outer round surface of described matrix is attached with CBN layer 2.Because the CBN emery wheel of variable-diameter of the present invention, its CBN layer 2 is attached on the matrix 1 of elastically deformable, when it uses, when if the diameter of emery wheel does not meet technological requirement owing to the grinding loss diminishes, can make it to expand by control matrix strain, make grinding wheel diameter meet technological requirement, thereby workpiece is carried out continuous grinding, have efficient, high-quality characteristics.
In the prior art, material that can strain is more, all can be applied in the technical solution of the present invention as long as have the material of elastically deformable character, and as a kind of preferred implementation, described matrix 1 is a tubular elastic metallic matrix.Its inside and outside surface respectively has the expansion joint 3 of some roads axial distribution, and described CBN layer 2 is positioned at a plurality of zones of being separated by the expansion joint on the outer surface 3.Like this, use some known methods to 1 effect of this matrix, for example, utilize fluid pressure, or utilize the modes such as principle of expanding with heat and contract with cold to make it to expand, thereby make grinding wheel diameter become big, reach the purpose of adjustment, and expansion joint 3 can be so that matrix 1 has the space of smooth distortion.
As another kind of preferred implementation, described matrix 1 is a tubular rubber matrix, and more electedly, its inside and outside surface respectively has the expansion joint 3 of some roads axial distribution, and described CBN layer is positioned at a plurality of zones of being separated by the expansion joint on the outer surface 3.
In the above-mentioned matrix 1, its inner surface preferably is the conical surface, and this structure is that matrix 1 is realized expanding to realize that the grinding wheel diameter adjustment provides a kind of self structure feature.With reference to figure 4, this inner surface preferably is the use schematic diagram of the matrix 1 of the conical surface, the bloated core 4 that is the conical surface by another outer surface, when itself and inner surface of the present invention are that the matrix 1 of the conical surface cooperates and is, only this bloated core 4 is moved relative to matrix 1, matrix 1 can be swollen, thereby reach the purpose that grinding wheel diameter of the present invention is adjusted.
Certainly, aforesaid way is a kind of preferred implementation, and as another kind of embodiment, described matrix 1 inner surface is two sections crossing conical surfaces, and the radius of these two sections conical surfaces shrinks to the matrix middle part.With reference to figure 5, when the inner surface of matrix 1 is two sections crossing conical surfaces, a kind of applicable cases of the radius of these two sections conical surfaces when shrink at the matrix middle part.
As preferably, described CBN layer is that sintering is on described matrix.
Certainly, the invention is not limited to above-mentioned embodiment, those of ordinary skill in the art also can make equivalent variations or replacement under the prerequisite of spirit of the present invention, modification that these are equal to or replacement all are included in the application's claim institute restricted portion.
Claims (7)
1. the CBN emery wheel of a variable-diameter, it is characterized in that: it comprises the grinding wheel base body of elastically deformable, the outer round surface of described matrix is attached with the CBN layer.
2. the CBN emery wheel of variable-diameter according to claim 1, it is characterized in that: described matrix is a tubular elastic metallic matrix.
3. the CBN emery wheel of variable-diameter according to claim 1, it is characterized in that: described matrix is the tubular rubber matrix.
4. according to the CBN emery wheel of claim 2 or 3 described variable-diameters, it is characterized in that: the inside and outside surface of described matrix respectively has the expansion joint of some roads axial distribution, and described CBN layer is positioned at a plurality of zones of being separated by the expansion joint on the outer surface.
5. according to the CBN emery wheel of claim 2 or 3 described variable-diameters, it is characterized in that: described matrix inner surface is a conical surface.
6. according to the CBN emery wheel of claim 2 or 3 described variable-diameters, it is characterized in that: described matrix inner surface is two sections crossing conical surfaces, and the radius of these two sections conical surfaces shrinks to the matrix middle part.
7. according to the CBN emery wheel of each described variable-diameter in the claim 1 to 3, it is characterized in that: described CBN layer is that sintering is on described matrix.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110131960 CN102229120B (en) | 2011-05-20 | 2011-05-20 | Diameter-variable CBN (Cubic Boron Nitride) grinding wheel |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110131960 CN102229120B (en) | 2011-05-20 | 2011-05-20 | Diameter-variable CBN (Cubic Boron Nitride) grinding wheel |
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| CN102229120A true CN102229120A (en) | 2011-11-02 |
| CN102229120B CN102229120B (en) | 2013-05-22 |
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| CN 201110131960 Active CN102229120B (en) | 2011-05-20 | 2011-05-20 | Diameter-variable CBN (Cubic Boron Nitride) grinding wheel |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102229086A (en) * | 2011-05-20 | 2011-11-02 | 广州市敏嘉制造技术有限公司 | Method for grinding globoid cam by using variable-diameter grinding wheel |
| CN103567890A (en) * | 2012-06-29 | 2014-02-12 | Emag控股有限公司 | Grinding wheel and |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003094344A (en) * | 2001-09-26 | 2003-04-03 | Shinkikai Giken:Kk | Outside diameter variable grinding wheel and outside diameter variably adjusting device thereof |
| CN101594965A (en) * | 2006-12-21 | 2009-12-02 | 辛涅提克兰迪斯有限公司 | The grinding skin of workpiece |
| CN202147223U (en) * | 2011-05-20 | 2012-02-22 | 广州市敏嘉制造技术有限公司 | Variable-diameter CBN grinding wheel |
-
2011
- 2011-05-20 CN CN 201110131960 patent/CN102229120B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003094344A (en) * | 2001-09-26 | 2003-04-03 | Shinkikai Giken:Kk | Outside diameter variable grinding wheel and outside diameter variably adjusting device thereof |
| CN101594965A (en) * | 2006-12-21 | 2009-12-02 | 辛涅提克兰迪斯有限公司 | The grinding skin of workpiece |
| CN202147223U (en) * | 2011-05-20 | 2012-02-22 | 广州市敏嘉制造技术有限公司 | Variable-diameter CBN grinding wheel |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102229086A (en) * | 2011-05-20 | 2011-11-02 | 广州市敏嘉制造技术有限公司 | Method for grinding globoid cam by using variable-diameter grinding wheel |
| CN103567890A (en) * | 2012-06-29 | 2014-02-12 | Emag控股有限公司 | Grinding wheel and |
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| Publication number | Publication date |
|---|---|
| CN102229120B (en) | 2013-05-22 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A CBN grinding wheel with variable diameter Effective date of registration: 20220117 Granted publication date: 20130522 Pledgee: Bank of China Limited by Share Ltd. Guangzhou Panyu branch Pledgor: Guangzhou City Agile Manufacturing Co.,Ltd. Registration number: Y2022980000629 |
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