CN102672549A - Magnetic grinding and polishing device for large curved surface - Google Patents
Magnetic grinding and polishing device for large curved surface Download PDFInfo
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- CN102672549A CN102672549A CN2012100810654A CN201210081065A CN102672549A CN 102672549 A CN102672549 A CN 102672549A CN 2012100810654 A CN2012100810654 A CN 2012100810654A CN 201210081065 A CN201210081065 A CN 201210081065A CN 102672549 A CN102672549 A CN 102672549A
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Abstract
The invention discloses a magnetic grinding and polishing device for a large curved surface capable of continuously grinding and polishing a curved surface to obtain uniform surface quality finally. The magnetic grinding and polishing device comprises the following components: a main frame, a front-end supporting side plate, a side plate fixing bolt, a motor, a drive bevel gear, a driven bevel gear, a locating sleeve, a connecting bolt, a fastening bolt, a spindle, a magnetic pole, a grinding material and grinding liquid mixture conveying pipeline, a rotating joint, a magnetic shield, a flange disc, a flange locating bolt, a flange disc, a permanent magnet and a magnetic pole sleeve. The magnetic grinding and polishing device, provided by the invention, has the advantages of high processing efficiency, simple structure, low manufacturing cost and convenience for installation; the magnetic grinding and polishing device has an independent drive motor, convenience for connection with multiple processing equipment or devices, good university and no other external power. The magnetic grinding and polishing device can be widely applied to finish all kinds of curved surfaces, in particular to grind and polish a large-area complicated free curved surface. Technique grinding matched with the device has small temperature rise, high efficiency, difficulty in deformation of a processing work-piece, and no deterioration layer after processing.
Description
Technical field
The present invention relates to grinding and polishing device, especially a kind of large curved surface magnetic grinding burnishing device.
Background technology
Existing Magnetic Force Grinding Technology is that magnetically grinding particle and lapping liquid are joined between magnetic pole and the workpiece, and in magnetic field, the magnetically grinding particle is magnetized, because the effect of magnetic force, magnetically grinding particle image brush is equally pressed and is attached to surface of the work.Along with the relative motion between magnetic pole and the workpiece, the magnetically grinding particle satisfies polishing, deburring requirement to workpiece friction, extruding.During grinding; Magnetically grinding particle and workpiece contact jaw take place to stir and roll; Cause that thus abrasive size can reduce, sharpness reduces; Even the residue that has the part surface of the work to come off also is mixed in the polishing particles, the relative motion of abrasive material and workpiece died down, the abrasive material number gradually reduces, the cutting edge sharpness descends.The upset that separately relies on abrasive material is from sharp adaptivity, and processing can not meet the demands for large tracts of land, and this just requires the magnetically grinding particle should be able to continuous updating.Conventional practice be mixture with lapping liquid and magnetic abrasive in process by the magnetic pole external complement; The drawback of this practice is; Under the centrifugal action of high speed rotating magnetic pole; Most of mixture is thrown out of, and finally only has a small amount of lapping liquid and magnetic abrasive to be updated, and can directly have influence on grinding and polishing quality and material like this and remove efficient.For curved surface, how to guarantee the gap between magnetic pole and the workpiece; And field axis and Surface Method to overlap; Removal effectiveness affects to grinding and polishing uniformity and material is also all very big; This with regard to make to be difficult to curved surface carry out evenly, magnetic grinding polishing, especially large tracts of land, complex-curved then being difficult to especially realize efficiently.
Consult pertinent literature, " magnetic grinder " that Chinese patent is announced, open (bulletin) number CN 101293335A; Magnetic grinder is directly installed on the lathe through general handle of a knife, and along with working-spindle rotates at a high speed, grinding head is by the adsorbable mictomagnetism abrasive material in Permanent magnet magnetization back; Form magnetic force brush; Workpiece is processed, in process, when abrasive material loss or lapping liquid loss; Can be under the condition of not interrupting procedure, the compression pump through the external world continues the abrasive material and the lapping liquid that provide required via the magnetic force brush of pore in machining area in the middle of the device.Save the replacing time thus, reach the purpose that improves crudy and working (machining) efficiency.But this device need be installed on lathe through handle of a knife, leans on machine tool chief axis could drive the rotation of magnetic pole, and self does not have power source, causes its versatility to receive certain limitation.In addition because of after this magnetic grinder is installed in machine tool chief axis, it is bigger to cause its extraneous pipeline of carrying abrasive material and lapping liquid to be attached thereto difficulty." axis system of a kind of electrolysis and magnetic grinding composite processing machine tool " that Chinese patent is announced; Open (bulletin) number CN 102069242A, this axis system comprise power and running part, self-priming structure division, electromagnetic circuit components of system as directed and dither part etc.Can realize Electrolyzed Processing, magnetic grinding processing and electrolysis magnetic grinding Compound Machining function.But this apparatus structure is complicated, and volume is relatively large, is mainly used in electrolysis and magnetic grinding composite processing machine tool, and is not suitable for direct and robot and Digit Control Machine Tool are used.
Summary of the invention
The invention provides a kind of large curved surface magnetic grinding burnishing device; This device utilizes Digit Control Machine Tool or multi-freedom robot mode of traction; Guarantee the gap between magnetic pole and the workpiece; And can with field axis and Surface Method to registration be limited in the certain angle, magnetic pole at a high speed in the rotation, is aided with abrasive material and forces to upgrade under motor-driven.Under the prerequisite that guarantees working (machining) efficiency and crudy, through adjustment magnetite specification, pole form, machining gap, the speed of mainshaft, abrasive material analogy and proportioning etc., can implement the continuously grinding polishing to curved surface, finally obtain uniform surface quality.
Large curved surface magnetic grinding burnishing device provided by the invention is made up of following parts: body frame (7), front end support side plate (16) rely on side plate set bolt (15) and body frame (7) fixing.Motor (4) is direct or utilize the end of driving snake to be installed on the body frame (7), and motor (4) directly or through driving snake is connected with drive bevel gear (5), drive bevel gear (5) and driven wheel of differential (6) engagement.Main shaft (17) has mesopore, is positioned in the positioning sleeve (14) through bearing, and positioning sleeve (14) then is fixed on the body frame (7) through connecting bolt (8).Magnetic pole cover (9) is fixed through fastening bolt (13) and main shaft (17) lower end, and the magnetic pole (10) that has mesopore is housed in it, has cross bath in its bottom.Abrasive material and lapping liquid mixture conveyance conduit (3) connect the mesopore of main shaft (17) through swivel joint (2).Between swivel joint (2) and the main shaft (17) through being threaded.Main shaft (17) mesopore connects magnetic shield (12), communicates with the cross bath place of magnetic pole (10), and ring flange (1) is connected through flange bolt (18) with body frame (7) upper end, and ring flange (1) is installed in the end of multi-freedom robot.Permanet magnet (11) is contained in the magnetic pole cover (9).
Said ring flange (1) is general handle of a knife type, is installed on the Digit Control Machine Tool.
Install with the mesopore employing interference fit of main shaft (17) said magnetic shield (12) upper end.
Said conveyance conduit (3) and swivel joint (2) adopt the polythene material of non-magnetic conduction to process, and main shaft (17) adopts the non-magnetic material to process, and magnetic pole cover (9) and magnetic shield (12) adopt the non-magnetic metal material processing to form.
Large curved surface magnetic grinding burnishing device provided by the invention; Its permanet magnet (11) is made moulding by strong magnetic material, and has cross bath in magnetic pole (10) bottom, can be with the Distribution of Magnetic Field gradient distribution; Optimize Distribution of Magnetic Field, helped improving curved surface magnetic grinding polishing efficiency and quality.The end of motor (4) or driving snake is installed on the body frame (7), and motor (4) directly or indirectly through driving snake driving main shaft (17) rotation, need not other external power.And motor can be selected servomotor, in conjunction with the free form surface features of shape, utilizes the rotating speed of control computer planning servomotor, guarantees the uniformity after each position of free form surface processes.External pump with magnetic abrasive and lapping liquid mixture through conveyance conduit (3) and swivel joint (2) after; Get into magnetic shield (12) through main shaft (17) mesopore, finally deliver to the cross bath place of magnetic pole (10), make the abrasive material on the magnetic pole force to upgrade; Promptly when the big free form surface of processing; Also need not interrupt procedure, realize continuous processing, help improving Grinding Quality and grinding efficiency.Body frame (7) is installed in the end of multi-freedom robot through ring flange (1), relies on the traction body frame (7) of multi-freedom robot, through magnetic pole (10) thus driving magnetic abrasive arrives and needs the optional position of processing free form surface to realize the grinding and polishing to curved surface.Can also pass through handle of a knife type connecting rod in addition, whole lapping device is installed on the machine tool chief axis, utilize Digit Control Machine Tool to drive body frame (7) and magnetic pole (10), realize grinding and polishing free form surface.
The present invention compares with existing same device, and its significant beneficial effect is embodied in:
Device provided by the invention has working (machining) efficiency height, simple in structure, low cost of manufacture and advantage such as easy for installation; Have independently drive motors, with various processing equipment or install easy to connectly, versatility is good and need not other external power.This device and multi-freedom robot or Digit Control Machine Tool are used has higher processing precision, can be widely used in various curved surface finishing, is particularly suitable for the grinding and polishing of large tracts of land, complex free curved surface.The technology grinding intensification that cooperates with this device is little, efficient is high, processing work is not yielding, and the no metamorphic layer in processing back.
Description of drawings
Fig. 1 is a large curved surface grinding and polishing device overall structure sketch map;
Fig. 2 is that the A of magnetic pole among Fig. 1 is to view;
Fig. 3 is a comparison diagram before and after the mould steel P20 material surface grinding and polishing;
Fig. 4 is a comparison diagram before and after the mould steel NAK80 material surface grinding and polishing;
Fig. 5 is a comparison diagram before and after the stainless steel SUS304 material surface grinding and polishing.
Being denoted as of Fig. 1～2:
The 1-ring flange; The 2-swivel joint; The 3-conveyance conduit; The 4-motor; The 5-drive bevel gear; The 6-driven wheel of differential; The 7-body frame; The 8-connecting bolt; 9-magnetic pole cover; The 10-magnetic pole; The 11-permanet magnet; The 12-magnetic shield; The 13-fastening bolt; The 14-positioning sleeve; 15-side plate set bolt; The 16-support side plate; The 17-main shaft; 18-flange bolt.
The specific embodiment
Shown in accompanying drawing 1, accompanying drawing 2; The concrete structure of large curved surface grinding and polishing device is following: body frame 7, and its front end support side plate 16 relies on side plate set bolt 15 fixing with body frame 7, and the material of body frame 7 and front end support side plate 15 is metallic aluminium; Magnetic conduction neither can reduce the weight of whole device again.Motor 4 directly is installed on the body frame 7, and motor 4 is a servomotor, maximum (top) speed 3000r/min, and with the motion control card connection of installing on servo-driver and the computer, parameters such as its rotating speed are determined through motion control card by computer.Motor 4 drives drive bevel gear 5, drive bevel gear 5 and driven wheel of differential 6 engagements, and gearratio is 1, drives main shaft 17 rotations of hollow through key.Main shaft 17 is positioned in the positioning sleeve 14 through pair of bearings and jump ring, and 14 of positioning sleeves are fixed on the body frame 7 through connecting bolt 8, distributes for fear of the magnetic force that influences magnetic pole, and main shaft 17 and positioning sleeve 14 are processed by metallic aluminium.Aluminium matter magnetic pole cover 9 is fixed through fastening bolt 13 and main shaft 17 lower ends, and the permanet magnet 11 that has mesopore is housed in it, adopts Ru-Fe-Mn to process; Median pore diameter is 9mm; Magnetic pole 10 is processed by magnetic conductive material iron, has the cross bath that width is 4mm in its bottom, is adsorbed on permanet magnet 11 lower ends.External pump is transported to conveyance conduit 3 with abrasive material and lapping liquid mixture, through swivel joint 2, delivers to the mesopore of main shaft 17.Between swivel joint 2 and the main shaft 17 through being threaded.It is the aluminum magnetic shield 11 of 2.5mm that the mixture of abrasive material and lapping liquid gets into wall thickness through main shaft 17 mesopores; Finally deliver to the cross bath place of magnetic pole 10; Make the abrasive material on the magnetic pole force to upgrade, promptly in the whole machining process process, need not to end to process the replacement that to accomplish abrasive material.Ring flange 1 is connected through flange bolt 17 with body frame 7 upper ends; Ring flange 1 is installed in the end of 6DOF robot; Can control the track of robot through computer programming, can draw magnetic pole and arrive the free form surface optional position, realize attrition process free form surface.
By the 6DOF robot traction embodiment of the invention device free form surface is carried out attrition process, verified that its effect is remarkable, adhere to specification fully.
Shown in accompanying drawing 3～5, adopt the 6DOF robot to draw large curved surface grinding and polishing device provided by the invention, utilize the magnetic abrasive grain of magnetic pole absorption that surface of the work is carried out grinding and polishing.Its process conditions comprise that the magnetic pole rotating speed is 800r/min; Magnetic abrasive is sintered abrasive grain (iron and alchlor) 60 orders; Adopt water-soluble abrasive liquid; Adding the feed speed of magnetic pole in man-hour on the surface is 1mm/s; The magnetic pole diameter is Φ 12mm; The bottom has the cross bath that the degree of depth is 4mm;
The mixed rate of pumping of magnetic abrasive and lapping liquid is 20ml/min.
Claims (4)
1. large curved surface magnetic grinding burnishing device is characterized in that this device is made up of following parts: body frame (7), front end support side plate (16) rely on side plate set bolt (15) and body frame (7) fixing; Motor (4) is direct or utilize the end of driving snake to be installed on the body frame (7), and motor (4) directly or through driving snake is connected with drive bevel gear (5), drive bevel gear (5) and driven wheel of differential (6) engagement; Main shaft (17) has mesopore, is positioned in the positioning sleeve (14) through bearing, and positioning sleeve (14) then is fixed on the body frame (7) through connecting bolt (8); Magnetic pole cover (9) is fixed through fastening bolt (13) and main shaft (17) lower end, and the magnetic pole (10) that has mesopore is housed in it, has cross bath in its bottom; Abrasive material and lapping liquid mixture conveyance conduit (3) are through swivel joint (2); Between the mesopore that connects main shaft (17), swivel joint (2) and main shaft (17) through being threaded main shaft (17) mesopore connection magnetic shield (12); Communicate with the cross bath place of magnetic pole (10); Ring flange (1) is connected through flange bolt (18) with body frame (7) upper end, and ring flange (1) is installed in the end of multi-freedom robot, and permanet magnet (11) is contained in the magnetic pole cover (9).
2. large curved surface magnetic grinding burnishing device according to claim 1 is characterized in that ring flange (1) wherein is general handle of a knife type, is installed on the Digit Control Machine Tool.
3. large curved surface magnetic grinding burnishing device according to claim 1 is characterized in that installing with the mesopore employing interference fit of main shaft (17) on the magnetic shield (12) wherein.
4. large curved surface magnetic grinding burnishing device according to claim 1; It is characterized in that wherein conveyance conduit (3) and swivel joint (2); Adopt the polythene material of non-magnetic conduction to process; Main shaft (17) adopts the non-magnetic material to process, and magnetic pole cover (9) and magnetic shield (12) adopt the non-magnetic metal material processing to form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100810654A CN102672549A (en) | 2012-03-23 | 2012-03-23 | Magnetic grinding and polishing device for large curved surface |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100810654A CN102672549A (en) | 2012-03-23 | 2012-03-23 | Magnetic grinding and polishing device for large curved surface |
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| CN102672549A true CN102672549A (en) | 2012-09-19 |
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| CN2012100810654A Pending CN102672549A (en) | 2012-03-23 | 2012-03-23 | Magnetic grinding and polishing device for large curved surface |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103033403A (en) * | 2011-09-29 | 2013-04-10 | 鞍钢股份有限公司 | Preparation method of thin-sheet metal film test sample |
| CN103801991A (en) * | 2012-11-12 | 2014-05-21 | 中国科学院沈阳自动化研究所 | Free-form surface grinding device |
| CN108127485A (en) * | 2017-11-29 | 2018-06-08 | 辽宁科技大学 | A kind of equipment and technique for endoporus rifling slot finishing deburring |
| CN108714824A (en) * | 2018-06-08 | 2018-10-30 | 辽宁科技大学 | A kind of portable magnetic derusting polishing machine and application method |
| CN110091251A (en) * | 2018-12-04 | 2019-08-06 | 杭州众硅电子科技有限公司 | A kind of integrated form polishing wafer main shaft |
| CN110253346A (en) * | 2019-07-09 | 2019-09-20 | 辽宁科技大学 | A kind of rotary slotted magnetic pole polishing inner surface of pipe fitting device and method |
| CN110340736A (en) * | 2019-06-19 | 2019-10-18 | 华中科技大学 | A kind of magnetorheological finishing device and method based on flow field focusing |
| CN110834261A (en) * | 2019-11-27 | 2020-02-25 | 辽宁科技大学 | Magnetic particle grinding device for polishing plate coil and using method |
| CN111735932A (en) * | 2020-06-03 | 2020-10-02 | 西南民族大学 | Land detection device based on agricultural development |
| CN110834261B (en) * | 2019-11-27 | 2024-05-03 | 辽宁科技大学 | Magnetic particle grinding device for plate coil polishing and use method |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103033403B (en) * | 2011-09-29 | 2015-09-02 | 鞍钢股份有限公司 | A kind of preparation method of thin-sheet metal film test sample |
| CN103033403A (en) * | 2011-09-29 | 2013-04-10 | 鞍钢股份有限公司 | Preparation method of thin-sheet metal film test sample |
| CN103801991A (en) * | 2012-11-12 | 2014-05-21 | 中国科学院沈阳自动化研究所 | Free-form surface grinding device |
| CN108127485A (en) * | 2017-11-29 | 2018-06-08 | 辽宁科技大学 | A kind of equipment and technique for endoporus rifling slot finishing deburring |
| CN108714824A (en) * | 2018-06-08 | 2018-10-30 | 辽宁科技大学 | A kind of portable magnetic derusting polishing machine and application method |
| CN108714824B (en) * | 2018-06-08 | 2023-06-02 | 辽宁科技大学 | Portable magnetic rust removal polishing machine and use method |
| CN110091251A (en) * | 2018-12-04 | 2019-08-06 | 杭州众硅电子科技有限公司 | A kind of integrated form polishing wafer main shaft |
| CN110340736B (en) * | 2019-06-19 | 2021-05-18 | 华中科技大学 | Magnetorheological polishing device and method based on flow field focusing |
| CN110340736A (en) * | 2019-06-19 | 2019-10-18 | 华中科技大学 | A kind of magnetorheological finishing device and method based on flow field focusing |
| CN110253346A (en) * | 2019-07-09 | 2019-09-20 | 辽宁科技大学 | A kind of rotary slotted magnetic pole polishing inner surface of pipe fitting device and method |
| CN110834261A (en) * | 2019-11-27 | 2020-02-25 | 辽宁科技大学 | Magnetic particle grinding device for polishing plate coil and using method |
| CN110834261B (en) * | 2019-11-27 | 2024-05-03 | 辽宁科技大学 | Magnetic particle grinding device for plate coil polishing and use method |
| CN111735932A (en) * | 2020-06-03 | 2020-10-02 | 西南民族大学 | Land detection device based on agricultural development |
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Application publication date: 20120919 |