CN103447892A - Ultrasonic wave and magnetic force composite grinding device for jade emboss craftwork and grinding process - Google Patents
Ultrasonic wave and magnetic force composite grinding device for jade emboss craftwork and grinding process Download PDFInfo
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Abstract
The invention belongs to the technical field of stone processing, particularly relates to an ultrasonic wave and magnetic force composite grinding device for a jade emboss craftwork and a grinding process. The grinding device comprises a numerical control auxiliary machine frame, as well as an ultrasonic wave generating mechanism and a magnetic force grinding mechanism which are arranged on the auxiliary machine frame, the ultrasonic wave generating mechanism comprises an ultrasonic generator, a piezoelectric transducer, an amplitude transformer and an elastic cylinder clamp, wherein a collecting ring is arranged on the outer side of the piezoelectric transducer, the piezoelectric transducer is connected with a driving main shaft on the numerical control auxiliary machine frame, and the magnetic force grinding mechanism comprises a permanent magnet and a magnetic grinding material. According to the invention, ultrasonic wave vibration is used for forming impulse pressure on the surface of jade, the magnetic grinding material can be used for effectively improving the processing efficiency and the processing quality to the concave-convex surface of the jade under the composite effect of magnetic force and impulse pressure, mechanical polishing to the jade emboss craftwork can be achieved, and defects of manual polishing are overcome.
Description
Technical field
The invention belongs to the processing of stone technical field, especially relate to a kind of ultrasonic wave magnetic multiple grinding device and grinding technics of jade relief handicraft.
Background technology
For the jade handicraft that craft or machining complete, polishing is last procedure of processing technology, is also that jade handicraft is processed a most important procedure.And present jade relief handicraft polishing does not have special polissoir, for the artificial polishing of the many employings in uneven place on jade relief handicraft surface, its glossing is loaded down with trivial details, and labour intensity is large, work under bad environment.Manual surface of polished quality is inhomogeneous simultaneously, and working (machining) efficiency is low.Magnetic abrasive finishing belongs to a kind of new grinding method, different from traditional Ginding process is that the milling tool that magnetic grinding adopts is loose magnetic abrasive, magnetic abrasive has very large flexibility, can change along with the variation of surface of the work shape, can adapt to various different surfaces.Through great many of experiments, be applied to the attrition process of plane, sphere, inner circle, inwall etc., its shortcoming is lower for the working (machining) efficiency of nonmagnetic substance (pottery, plastics, jade etc.).Ultrasonic machining is to utilize the method for ultrasonic vibration, can make cutter with per second the frequency vibration up to 16000 hertz, working (machining) efficiency is higher, and its shortcoming is that Ultrasonic machining is only applicable to groove class workpiece, for the workpiece of surface configuration complexity, still can't meet its attrition process requirement.
Summary of the invention
The ultrasonic wave magnetic multiple grinding device and the grinding technics that the purpose of this invention is to provide a kind of special jade relief handicraft for nonmagnetic substance surface finish such as jade embossments.This device and technique combine magnetic grinding method and ultrasonic technology, make magnetic abrasive carry out polishing to the jade convex-concave surface under the compound action of magnetic force and pulse, its working (machining) efficiency is higher, crudy is better, realize the machine glazed finish to the jade relief handicraft, made up hand-polished defect.
The objective of the invention is to realize by following technical proposals:
The ultrasonic wave magnetic multiple grinding device of jade relief handicraft of the present invention, is characterized in that comprising the numerical control auxiliary framework, is located at ultrasonic wave generating mechanism and magnetic grinding mechanism on this auxiliary framework,
Described numerical control auxiliary framework comprises the fixation workpiece workbench, drive shaft,
Described ultrasonic wave generating mechanism comprises supersonic generator, the PZT (piezoelectric transducer) that supersonic generator is connected therewith, the ultrasonic transformer that PZT (piezoelectric transducer) is connected therewith, the elastic collet chuck that ultrasonic transformer is connected therewith, the described PZT (piezoelectric transducer) outside is provided with collector ring, described PZT (piezoelectric transducer) is connected with described drive shaft
Described magnetic grinding mechanism comprises the permanent magnet be clamped in described elastic collet chuck, is filled in the magnetic abrasive between this permanent magnet and to be processed.
Described fixation workpiece workbench is permeability magnetic material.
Utilize the grinding technics of the ultrasonic wave magnetic multiple grinding device of jade relief handicraft, it is characterized in that, its grinding technics is as follows:
1. clean: at first adopt supersonic wave cleaning machine to add a small amount of cleaning agent and clean jade relief handicraft surface, remove jade relief handicraft surface blot, and dry;
2. be installed: jade relief handicraft to be processed is installed on the fixation workpiece workbench of numerical control servicing unit of ultrasonic wave magnetic multiple grinding device, the fixation workpiece workbench is permeability magnetic material, after magnetization, can form closed magnetic loop with permanent magnet;
3. setting parameter: start supersonic generator, setting the ultrasonic wave occurrence frequency is 15～20KHz, and amplitude is 10～20 μ m;
4. rough polishing: by average grain diameter, be that 200～350 μ m sintering magnetic abrasives be take the ratio that volume ratio is 1:2 and mixed with water base lapping liquid during rough polishing, be filled in machining gap, now the drive shaft rotating speed is 1500～2000r/min, and process time is 20～30min approximately;
5. essence is thrown: by average grain diameter, be that 100～200 μ m sintering magnetic abrasives be take the ratio that volume ratio is 1:2 and mixed with water base lapping liquid when essence is thrown, be filled in machining gap, and drive shaft rotating speed 2000～2500r/min, process time is 20～30min approximately;
6. the superfinishing fine polishing by average grain diameter, be 10～30 μ m diamond pastes is that 100～200 μ m iron powders, water base lapping liquid be take volume ratio and mixed as 1:4:8 with average grain diameter, be filled in machining gap, the drive shaft rotating speed is 2500～3000r/min, is about 30～40min process time;
7. clean again: the jade relief handicraft after hyperfine polishing is taken off and puts into supersonic wave cleaning machine and cleaned, then dry and get final product.
Described magnetic abrasive, be to be prepared through briquetting, sintering, fragmentation and sieving technology method by magnetic grain phase iron particle and abrasive particle phase alumina particle, and its particle size range is at 46.15 μ m ~ 375 μ m.
Advantage of the present invention:
(1) because jade belongs to nonmagnetic substance, the magnetic force less produced at the magnetic machining area, if adopt merely Magnetic Force Grinding Technology to the polishing of jade relief surface, its working (machining) efficiency is low, suface processing quality is undesirable, is difficult to reach processing request.The present invention has designed a kind of ultrasonic wave magnetic multiple grinding device that ultrasonic wave process technology and Magnetic Force Grinding Technology are combined, utilize ultrasonic vibration to form a pulse to jade surface, magnetic abrasive is under the compound action of magnetic force and pulse, can effectively improve working (machining) efficiency and crudy to the jade convex-concave surface, the machine glazed finish of realization to the jade relief handicraft, make up hand-polished defect;
(2) the ultrasonic wave magnetic multiple grinding device that the present invention is directed to the jade relief handicraft provides corresponding grinding technics method, realizes all processes of rough polishing to jade relief handicraft surface, essence throwing, superfinishing fine polishing, cleaning.Magnetic abrasive constantly rolls and vertically impacts jade surface under the compound action of magnetic force and ultrasonic vibration, even small convex-concave surface, also can realize meeting the surface finish of its processing request, its surface finish quality is more even, has made up hand-polished defect.
The accompanying drawing explanation
The structural representation that Fig. 1 is ultrasonic wave magnetic multiple grinding device of the present invention.
Fig. 2 is that the present invention adopts the micro-comparison diagram in front and back of ultrasonic wave magnetic composite polishing to jade plate.
Fig. 3 is that the present invention adopts ultrasonic wave magnetic to grind composite polishing and hand-polished comparison diagram to jade plate.
Fig. 4 is that the present invention is to jade plate polishing front and rear surfaces roughness value comparison diagram.
Fig. 5 is that the present invention is to figure of buddha jade carving handicraft polishing front and rear surfaces roughness value comparison diagram.
The specific embodiment
Further illustrate the specific embodiment of the present invention below in conjunction with accompanying drawing.
As shown in Figure 1, the ultrasonic wave magnetic multiple grinding device of jade relief handicraft of the present invention, is characterized in that comprising the numerical control auxiliary framework, is located at ultrasonic wave generating mechanism and magnetic grinding mechanism on this auxiliary framework,
Described numerical control auxiliary framework comprises fixation workpiece workbench 10, drive shaft 1,
Described ultrasonic wave generating mechanism comprises supersonic generator 7, the PZT (piezoelectric transducer) 2 that supersonic generator 7 is connected therewith, the ultrasonic transformer 4 that PZT (piezoelectric transducer) 2 is connected therewith, the elastic collet chuck 5 that ultrasonic transformer 4 is connected therewith, described PZT (piezoelectric transducer) 2 outsides are provided with collector ring 3, described PZT (piezoelectric transducer) 2 is connected with described drive shaft 1
Described magnetic grinding mechanism comprises the permanent magnet 6 be clamped in described elastic collet chuck 5, is filled in the magnetic abrasive 8 between this permanent magnet 6 and to be processed 9.
Described fixation workpiece workbench 10 is permeability magnetic material, can select for example workbench of cast iron materials, and the magnetic conductivity workbench can form closed magnetic loop with permanent magnet 6 after magnetization.
The ultrasonic wave generating mechanism of this device and the permanent magnet 6 of magnetic grinding mechanism link together by elastic collet chuck 5, the PZT (piezoelectric transducer) 2 of ultrasonic wave generating mechanism is connected with drive shaft 1, by drive shaft 1, driven, drive ultrasonic transformer 4 and permanent magnet 6 with the rotating speed rotation identical with drive shaft 1, supersonic generator 7 constantly provides ultrasonic pulse simultaneously, make between permanent magnet 6 and magnetic conductivity fixation workpiece workbench 10 to form the constantly magnetic field of variation of magnetic field intensity and magnetic line of force distribution, rolling with magnetic abrasive between moving field 8, hit jade surface, realize the polishing of jade surface, even small convex-concave surface, also can realize meeting the surface finish of its processing request, its surface finish quality is more even.This device combines ultrasonic wave process technology and Magnetic Force Grinding Technology, utilize ultrasonic vibration to form a pulse to jade surface, magnetic abrasive 8 is under the compound action of magnetic force and pulse, can effectively improve working (machining) efficiency and crudy to the jade convex-concave surface, the machine glazed finish of realization to the jade relief handicraft, make up hand-polished defect.Adopt the jade relief handicraft after this ultrasonic wave magnetic abrasive machining, its surperficial roughness value can reach Ra0.1 μ m left and right, and the relief surface brightness obviously improves; Improve the polishing efficiency of jade handicraft simultaneously, reduced production cost.
Utilize the grinding technics of the ultrasonic wave magnetic multiple grinding device of jade relief handicraft, it is characterized in that, its grinding technics is as follows:
Embodiment mono-: to the surface finish of 100 * 50 * 10 mm jade plates.
Auxiliary material: sintering magnetic abrasive, water base lapping liquid, diamond paste, iron powder, cleaning agent.
1. clean: at first adopt supersonic wave cleaning machine to add a small amount of cleaning agent and clean the jade plate surface, remove jade relief handicraft surface blot, and dry;
2. be installed: jade plate to be processed is installed on the fixation workpiece workbench 10 of numerical control servicing unit of ultrasonic wave magnetic multiple grinding device, fixation workpiece workbench 10 is permeability magnetic material, after magnetization, can form closed magnetic loops with permanent magnet 6;
3. setting parameter: start supersonic generator 7, setting the ultrasonic wave occurrence frequency is 15～20KHz, and amplitude is 10～20 μ m;
4. rough polishing: be that 250～350 μ m sintering magnetic abrasives be take the ratio that volume ratio is 1:2 and mixed with water base lapping liquid by particle diameter, be filled in the machining gap of lapping device as shown in Figure 1, permanent magnet 6 absorption magnetic abrasives 8 are along with drive shaft 1 is rotated with 1500～2000r/min rotating speed, magnetic abrasive 8 rotatablely move and the compound action of ultrasonic vibration under constantly rolling vertically impact jade surface, comprise small convex-concave surface, jade plate is carried out to rough polishing, process time 10～15min;
5. essence is thrown: changing particle diameter is 100～200 μ m sintering magnetic abrasives, the ratio that volume ratio that it be take with water base lapping liquid is 1:2 is mixed, be filled in the machining gap of lapping device as shown in Figure 1, permanent magnet 6 absorption magnetic abrasives 8 are along with drive shaft 1 is rotated with 2000～2500r/min rotating speed, magnetic abrasive 8 rotatablely move and the compound action of ultrasonic vibration under constantly rolling vertically impact jade surface, comprise small convex-concave surface, jade plate is carried out to essence and throws, process time 10～15min;
6. superfinishing fine polishing: changing particle diameter is that 20～30 μ m diamond pastes and average grain diameter are 150～200 μ m iron powder compound abrasives, volume ratio that it be take with water base lapping liquid is mixed as 1:4:8, be filled in the machining gap of lapping device as shown in Figure 1, permanent magnet 6 absorption magnetic abrasives 8 are along with drive shaft 1 is rotated with 2500～3000r/min rotating speed, magnetic abrasive 8 rotatablely move and the compound action of ultrasonic vibration under constantly rolling vertically impact jade surface, comprise small convex-concave surface, jade plate is carried out to hyperfine polishing, process time 20～30min,
7. clean again: the jade plate after hyperfine polishing is taken off and puts into supersonic wave cleaning machine and cleaned, then dry and get final product.
After testing, before the jade plate polishing, roughness is Ra3.28 μ m, and after this technique grinding and polishing, roughness can reach Ra0.11 μ m.Fig. 4 has shown that the present invention is to jade plate polishing front and rear surfaces roughness value comparison diagram.
Fig. 2 has shown that the present invention adopts the micro-comparison diagram in front and back of ultrasonic wave magnetic composite polishing to jade plate, can see, polishing effect is fairly obvious.Fig. 3 has shown jade plate employing ultrasonic wave magnetic grinding composite polishing and hand-polished comparison diagram, utilizes its surface finish quality of ultrasonic wave magnetic composite polishing more even, has made up hand-polished defect, and time saving and energy saving.
Embodiment bis-: to the surface finish of figure of buddha jade carving handicraft.
Auxiliary material: sintering magnetic abrasive, water base lapping liquid, diamond paste, iron powder, cleaning agent.
1. clean: at first adopt supersonic wave cleaning machine to add a small amount of cleaning agent and clean figure of buddha jade carving handicraft surface, remove figure of buddha jade carving handicraft surface spot, and dry;
2. be installed: figure of buddha jade carving handicraft to be processed is installed on the fixation workpiece workbench 10 of numerical control servicing unit of ultrasonic wave magnetic multiple grinding device, fixation workpiece workbench 10 is permeability magnetic material, after magnetization, can form closed magnetic loop with permanent magnet 6;
3. setting parameter: start supersonic generator 7, setting the ultrasonic wave occurrence frequency is 15～20KHz, and amplitude is 10～20 μ m;
4. rough polishing: be that 200～250 μ m sintering magnetic abrasives be take the ratio that volume ratio is 1:2 and mixed with water base lapping liquid by particle diameter, be filled in the machining gap of lapping device as shown in Figure 1, permanent magnet 6 absorption magnetic abrasives 8 are along with drive shaft 1 is rotated with 1500～2000r/min rotating speed, magnetic abrasive 8 rotatablely move and the compound action of ultrasonic vibration under constantly rolling vertically impact each position of the figure of buddha, process time 20～30min;
5. essence is thrown: changing particle diameter is 100～200 μ m sintering magnetic abrasives, the ratio that volume ratio that it be take with water base lapping liquid is 1:2 is mixed, be filled in the machining gap of lapping device as shown in Figure 1, permanent magnet 6 absorption magnetic abrasives 8 are along with drive shaft 1 is rotated with 2000～2500r/min rotating speed, magnetic abrasive 8 rotatablely move and the compound action of ultrasonic vibration under constantly rolling vertically impact each position of the figure of buddha, process time 20～30min;
6. superfinishing fine polishing: changing average grain diameter is that 10～20 μ m diamond pastes and average grain diameter are 100～150 μ m iron powder compound abrasives, volume ratio that it be take with water base lapping liquid is mixed as 1:4:8, be filled in the machining gap of lapping device as shown in Figure 1, permanent magnet 6 absorption magnetic abrasives 8 are along with drive shaft 1 is rotated with 2500～3000r/min rotating speed, magnetic abrasive 8 rotatablely move and the compound action of ultrasonic vibration under constantly rolling vertically impact each position of the figure of buddha, process time 30～40min;
7. clean again: the figure of buddha jade carving handicraft after hyperfine polishing is taken off and puts into supersonic wave cleaning machine and cleaned, then dry and get final product.
After testing, before the polishing of figure of buddha jade carving technique, roughness is Ra2.17 μ m, and after this technique grinding and polishing, roughness can reach Ra0.16 μ m.Fig. 5 has shown that the present invention is to figure of buddha jade carving handicraft polishing front and rear surfaces roughness value comparison diagram.
Described magnetic abrasive 8, be to be prepared through briquetting, sintering, fragmentation and sieving technology method by magnetic grain phase iron particle and abrasive particle phase alumina particle, and its particle size range is at 46.15 μ m ~ 375 μ m.
The present invention is directed to the corresponding grinding technics method that the ultrasonic wave magnetic multiple grinding device of jade relief handicraft provides, realized all processes of rough polishing to jade relief handicraft surface, essence throwing, superfinishing fine polishing, cleaning.Magnetic abrasive 8 constantly rolls and vertically impacts jade surface under the compound action of magnetic force and ultrasonic vibration, even small convex-concave surface, also can realize meeting the surface finish of its processing request, its surface finish quality is more even, has made up hand-polished defect.
Claims (4)
1. the ultrasonic wave magnetic multiple grinding device of a jade relief handicraft, is characterized in that comprising the numerical control auxiliary framework, is located at ultrasonic wave generating mechanism and magnetic grinding mechanism on this auxiliary framework,
Described numerical control auxiliary framework comprises the fixation workpiece workbench, drive shaft,
Described ultrasonic wave generating mechanism comprises supersonic generator, the PZT (piezoelectric transducer) that supersonic generator is connected therewith, the ultrasonic transformer that PZT (piezoelectric transducer) is connected therewith, the elastic collet chuck that ultrasonic transformer is connected therewith, the described PZT (piezoelectric transducer) outside is provided with collector ring, described PZT (piezoelectric transducer) is connected with described drive shaft
Described magnetic grinding mechanism comprises the permanent magnet be clamped in described elastic collet chuck, is filled in the magnetic abrasive between this permanent magnet and to be processed.
2. the ultrasonic wave magnetic multiple grinding device of jade relief handicraft according to claim 1, is characterized in that described fixation workpiece workbench is permeability magnetic material.
3. a grinding technics that utilizes the ultrasonic wave magnetic multiple grinding device of jade relief handicraft, is characterized in that, its grinding technics is as follows:
1. clean: at first adopt supersonic wave cleaning machine to add a small amount of cleaning agent and clean jade relief handicraft surface, remove jade relief handicraft surface blot, and dry;
2. be installed: jade relief handicraft to be processed is installed on the fixation workpiece workbench of numerical control servicing unit of ultrasonic wave magnetic multiple grinding device, the fixation workpiece workbench is permeability magnetic material, after magnetization, can form closed magnetic loop with permanent magnet;
3. setting parameter: start supersonic generator, setting the ultrasonic wave occurrence frequency is 15～20KHz, and amplitude is 10～20 μ m;
4. rough polishing: by average grain diameter, be that 200～350 μ m sintering magnetic abrasives be take the ratio that volume ratio is 1:2 and mixed with water base lapping liquid during rough polishing, be filled in machining gap, now the drive shaft rotating speed is 1500～2000r/min, and process time is 20～30min approximately;
5. essence is thrown: by average grain diameter, be that 100～200 μ m sintering magnetic abrasives be take the ratio that volume ratio is 1:2 and mixed with water base lapping liquid when essence is thrown, be filled in machining gap, and drive shaft rotating speed 2000～2500r/min, process time is 20～30min approximately;
6. the superfinishing fine polishing by average grain diameter, be 10～30 μ m diamond pastes is that 100～200 μ m iron powders, water base lapping liquid be take volume ratio and mixed as 1:4:8 with average grain diameter, be filled in machining gap, the drive shaft rotating speed is 2500～3000r/min, is about 30～40min process time;
7. clean again: the jade relief handicraft after hyperfine polishing is taken off and puts into supersonic wave cleaning machine and cleaned, then dry and get final product.
4. the grinding technics that utilizes the ultrasonic wave magnetic multiple grinding device of jade relief handicraft according to claim 3, it is characterized in that described magnetic abrasive, be to be prepared through briquetting, sintering, fragmentation and sieving technology method by magnetic grain phase iron particle and abrasive particle phase alumina particle, its particle size range is at 46.15 μ m ~ 375 μ m.
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| CN104608044A (en) * | 2015-01-14 | 2015-05-13 | 辽宁科技大学 | Method and device for magnetic grinding of inner annular groove and outer annular groove of sealing sleeve part |
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| CN105033776A (en) * | 2015-06-02 | 2015-11-11 | 佛山市家家卫浴有限公司 | Machining technology for crystal glass with pattern embossments |
| CN105131906A (en) * | 2015-09-08 | 2015-12-09 | 沈阳化工大学 | Flexible magnetic abrasive |
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| CN109514357A (en) * | 2018-12-17 | 2019-03-26 | 江西福格新能源传动技术有限公司 | Automotive transmission straight spur gear end chamfer process equipment |
| CN109909814A (en) * | 2019-03-21 | 2019-06-21 | 辽宁科技大学 | A kind of device of the compound device to hole burr removal of electrolysis rotary ultrasonic magnetic force |
| CN110947488A (en) * | 2020-01-05 | 2020-04-03 | 孙晓琦 | Micro-tissue mortar and bracket |
| CN117207046A (en) * | 2023-11-08 | 2023-12-12 | 福建海丝石业有限公司 | Stone machining and polishing equipment and method |
| CN117207046B (en) * | 2023-11-08 | 2024-02-23 | 福建海丝石业有限公司 | Stone machining and polishing equipment and method |
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Effective date of registration: 20161205 Address after: 214000 Jiangsu City, Huishan Province, the people of the town of Luo Luo Road, National Road, the mouth of the 312 National People's Congress Patentee after: ECO Power (Wuxi) Co., Ltd. Address before: 114051 Anshan province hi tech Zone, thousands of mountain road, No. 185, No. Patentee before: Liaoning Science and Technology Univ. |