CN1524660A - Method and apparatus for barrel polishing revolving body parts using floating ball - Google Patents
Method and apparatus for barrel polishing revolving body parts using floating ball Download PDFInfo
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- CN1524660A CN1524660A CNA031173705A CN03117370A CN1524660A CN 1524660 A CN1524660 A CN 1524660A CN A031173705 A CNA031173705 A CN A031173705A CN 03117370 A CN03117370 A CN 03117370A CN 1524660 A CN1524660 A CN 1524660A
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Abstract
The invention is a method to mill and polish gyrorotor parts by float ball, placing liquid and float ball in a container with a cover plate, adjusting the height of the cover plate to fully immerse the float ball in the liquid and change the contact pressure of the float ball with the parts surface, thus controlling the speed of milling and polishing the parts; fixing the parts on rotation shaft and immersing the parts in the float ball environment, using the float ball as milling and polishing material, and rotating the parts by the rotation shaft so as to make the parts surface and the float ball surface rub each other to realize milling and polishing. Its device is composed of mouth container, parts fixing rotation shaft, adjustable-height cover plate and float ball, where the rotation shaft and the cover plate are set above the mouth container, the container holds liquid and the float ball with milling or polishing material, and the rotation shaft is driven by electric machine. It has advantages of simple device structure, lower investment cost and processing expense than precision mill bed's, etc.
Description
Technical field the present invention relates to the method and apparatus of metal or non-metal workpiece surface grinding and polishing, is specifically related to use the method and the device thereof of ball float grinding and polishing symmetry revolving parts.
Background technology is in order to improve metal or nonmetallic symmetry revolution build part precision and to improve surface roughness, traditional method is to use grinding machine to carry out accurate grinding, perhaps use grinder to grind and use polishing machine to polish, perhaps use chemical corrosion groove to carry out chemical etch polishing, perhaps rely on simple slewing, allow the workpiece rotation adopt and grind manually and polish.Use grinding machine to carry out accurate grinding, guarantee dimensional accuracy and surface roughness, the spindle rotation accuracy of grinding machine and the kinematic accuracy of knife rest must be very high, also need accurate automatic tool wear compensation mechanism simultaneously, for the non-directional revolving body of outline line, grinding machine must be acquired interpolation feeding or former plate system for tracking, because mechanism's complexity, the kinematic accuracy height, the price height of high-precision grinder causes expensive processing cost; Because grinding process can produce stress, can be out of shape after the part processing, limited the further raising of element precision.Adopt grinder and polishing machine to carry out the grinding and the polishing of symmetry revolution build piece surface, need make according to the shape and size of part and grind and the polishing pattern, different parts must be made different patterns; Since grind and polishing process in pattern can wear and tear the pattern that must often more renew or revise pattern, and the making pattern had both increased processing cost with the correction pattern and expended a large amount of time; For the outline line complexity and the very high symmetry of precision revolution build part, because pattern can not be to the surperficial balanced application of force of part different directions in grinding and polishing, part is the linear resonance surface velocity difference in revolution, part grind and polishing after overall size can be not complete the outline line of desirable pattern of reproduction design, so the symmetry of high-accurate outline line complexity revolution build part can't use grinder and polishing machine grinding and polishing.Chemical polishing is to utilize the fine part that the chemical attack anisotropy of part material or chemical corrosion liquid tension force selectively protrude piece surface to remove, the microcosmic convex-concave peak value of piece surface is reduced, the convex-concave change frequency descends in the unit are, reach the effect of surface finish, if guarantee the size and the precision of part, the etching extent of chemical polishing can only be controlled at 1～50 micron, outline line is complicated more, dimension precision requirement is high more, the etching extent of chemical polishing is just more little, therefore requires part that higher first base quality and precision are arranged; Because the chemical reactant of many materials can be deposited in piece surface, hinder proceeding of corrosion, so multicomponent easily produces the part that the material of chemical precipitates makes and is not suitable for using chemical polishing.Adopt and grind manually and polish, mainly rely on operating personnel's technology and experience, the quality control difficulty, yield rate is low, but can't realize the mass production of quality control for the symmetry revolution build part of high-accurate outline line complexity.
Summary of the invention the objective of the invention is to overcome existing grinding machine cost height; Polisher lapper uses pattern and symmetry revolution build part that can not machining high-precision outline line complexity in a large number; Chemical polishing can not be used for the part that material that multicomponent easily produces chemical precipitates makes and require part that higher first base quality and precision are arranged; The difficulty of grinding and polishing quality control manually, yield rate is low, but can't realize the shortcoming of the mass production of quality control, and a kind of novel abrasive polishing method and the device that provide.Be used to solve the grinding and polishing of the accurate symmetry revolution build piece surface that metal or nonmetallic materials make, also can be used for not having the surface derusting and the grinding and polishing of all kinds of parts of required precision.
Purpose of the present invention is achieved with device by the following method:
Using the method for ball float grinding and polishing revolving parts, is in having the container of cover plate, inserts liquid and ball float, regulate the height of cover plate, ball float is all immersed in the liquid, and make the pressure change that contacts of ball float and piece surface, thus the speed of control grinding and polishing part; Part be fixed in the rotating shaft and the ball float environment that submerges in, make abrasive polishing materials with ball float, make part rotation by turning cylinder, piece surface and ball float surface mutual friction mutually realize grinding and polishing.
Use the device of ball float grinding and polishing revolving parts, form by the rotating shaft of open containers, retaining element, adjustable for height cover plate and ball float, the rotating shaft of retaining element and adjustable height cover plate are located at the top of open containers, fill liquid in the container and adhere to the ball float of abrasive material or polishing material, rotating shaft is by driven by motor.
Described ball float adopts closed cell foamed plastic or oak to make its surface attachment abrasive material or polishing material; Abrasive material or polishing material are silica, carborundum, cerium oxide or diamond differential etc.; The radius of ball float should be less than the minimum indent radius of curvature of parts profile line, and maximum is no more than 1.5mm.Described liquid is water or machine oil; Liquid can add acids corrosive liquids such as watery hydrochloric acid, sulfuric acid, phosphoric acid or hydrofluoric acid during for water, realizes the polishing of chemical attack assisted milling.
Part speed of gyration in ball float is regulated in 1～1200 rev/min of scope, thus the quality and the speed of control grinding and polishing part.
The present invention compared with prior art has following advantage:
1, the material ranges of abrasive polishing method adaptation is wide, and the piece surface that metal or nonmetallic materials are made all can be implemented to grind and polishing;
2, device structure is simple, and cost of investment and processing charges are lower than precision grinder processing, and the part residual stress after grinding and polishing is lower than grinding;
3, grinding and polishing does not need pattern, and grinding and polishing speed, pressure are easy to adjust;
4, the grinding and polishing piece surface can the deposit chemical reactant, can not adhere to abrasive material and polishing material, destroys the grinding and polishing quality of piece surface;
5, can realize a motor, drive a plurality of driving shafts, each driving shaft connects a rotating shaft, and part of clamping is worked simultaneously, but is easy to realize the low-cost mass production of quality control;
6, after the abrasive of ball float surface attachment or polishing material are peeled off or worn and torn, can paste again, use repeatedly, with low cost, need not make emery wheel.
Description of drawings Fig. 1 is one embodiment of the invention structural representation.
The invention will be further described below in conjunction with accompanying drawing for the specific embodiment.
The ball float of grinding or polishing material is adhered in use, and the device on grinding and polishing symmetry revolving parts surface is by forming with the lower part: contain fluid and the container 3 that has adhered to grinding or polishing material ball float; Can move up and down and regulate the draft of ball float in liquid, can realize with chamber wall sliding all around, centre bore and clamping nut can be realized the cover plate 4 that slides; Regulate the cover plate center drilling bolt 8 of height up and down; Be used to lock the clamping nut 2 of revolution build part; One end is the elasticity folder hole other end fixedly revolution build part that can be connected with the driving shaft pin-and-hole and drives the rotating turning cylinder 1 of part; Diameter is less than the ball float 5 of 3mm surface attachment abrasive material or polishing material; Be used to soak the liquid 6 of ball float and revolution build part; And the hard-wired slip planker 12 of frequency modulation motor 19, belt pulley 17, belt 16, driving shaft 11, spring bearing 13, motor and driving shaft, drive guide pillar 18, worm gear and nut 14 and worm and gear 15 that the slip planker moves up and down; Guide pillar 18, worm and gear 15 and container 3 all are fixed on the pedestal 20.
Abrasive polishing method is: put into appropriate amount of fluid 6 in container 3, will adhere to the ball float with buoyancy 5 of abrasive material or polishing material and put into liquid 6; The part 7 that needs grinding and polishing is inserted the elasticity folder hole of rotating shaft, with binding nut 2 lockings; Rotary worm 15 drives worm gear and nut 14 slip planker 12 is moved down, and part 7 is soaked in the ball float with buoyancy 5 that adheres to abrasive material or polishing material; Pressing plate 4 is placed on surface at floating ball float, and rotation is installed in the center drilling bolt 8 on the container cover 9, to pressing down, ball float 5 all is immersed in the liquid 6 cover plate 4, needs the revolution build part 7 of grinding and polishing to soak fully in ball float 5.Regulate the height of cover plate 4, can realize the adjusting of ball float draft in liquid, thereby regulate the pressure that contacts of ball float and piece surface.The center drilling of cover plate 4, the gap of hole and clamping nut 2 must be less than the diameter of ball float 5, and the peripheral gap with container 3 of cover plate 4 also must be less than the diameter of ball float 5, prevents the ball float cover plate of escaping out.Start frequency modulation motor 19, the driving shaft 11 that drives on the bearing 13 that is installed in slip planker 12 by belt pulley 17 and belt 16 rotates, driving shaft 11 connects rotating shaft 1 drive part 7 by pin 10 and turns round in adhering to the ball float with buoyancy 5 of abrasive material or polishing material, make part 7 and the ball float with buoyancy 5 mutual friction mutually of adhering to abrasive material or polishing material, realize grinding and polishing; Ball float is stirred in part 7 revolutions, and the ball float of conversion contact part 7 or the contact point of ball float 5 and part 7 realize that piece surface evenly grinds and polishing.When rotating shaft 1 rotating speed was low, grinding and polishing speed was low, when rotating speed is high, and grinding and polishing speed height; In order to regulate the pressure that contacts of part 7 grinding and polishing processes surfaces and ball float 5, can select ball float 5 or the quantity of increase and decrease ball float 5 and the height of adjustment cover plate 4 of different buoyancy for use, the buoyancy of ball float 5 is big, ball float 5 quantity are many, cover plate 4 is highly low, contact pressure during grinding and polishing is big, otherwise pressure reduces; Liquid 6 can be the liquid that buoyancy only is provided for ball float 5, also lapping liquid, polishing fluid.
Can also allocate an amount of chemical corrosion liquid in proportion into, the speed of its grinding and polishing is that to be furnished with the mode of chemical corrosion liquid the fastest; Realize the polishing of chemical attack assisted milling.Part grinds and slightly degree of making granularity abrasive material and the polishing material adjustment different with selection that can adhere to abrasive material by replacing of polished surface, the speed of grinding and polishing can change by the frequency modulation motor rotary speed and change, the pressure that grinds and polish can be by quantity and the surperficial height adjusting of placing pressing plate of ball float of adjusting ball float, the radius of ball float should be less than the minimum indent radius of curvature of parts profile line, maximum is no more than 1.5mm, for making part obtain high rotating accuracy, can guarantee by the rotating accuracy that improves driving shaft.
Ball float 5 adheres to varigrained grinding and polishing material, the surface roughness difference that obtains behind part 7 grinding and polishings, and the particle size diameter of grinding and polishing material is more little, and the surface that obtains behind part 7 grinding and polishings is bright and clean more, but grinding and polishing speed is low more; The abrasive material that ball float 5 adheres to and the particle diameter of polishing material are divided into several ranks from coarse to fine, change different ball floats 5, and grinding and polishing will be divided into the several operation and finish; Part 7 must be cleaned when operation was changed, employed ball float 5 and liquid 6 must all be changed, container and cover plate also need be cleaned, effective method is that several covering devices are set, every covering device determines to use a kind of abrasive material or polishing material of particle diameter, the operation conversion only needs cleaning components 7, in the service life that this will effectively improve abrasive material or polishing material and ball float and grinding and polishing liquid, cuts down finished cost.
The ball float that the present invention uses adopts closed cell foamed plastic ball or oak ball; The liquid that uses when additional chemical is not corroded function is water or No. 20 machine oil, and the liquid that uses during additional chemical corrosion function is that water adds acids corrosive agent such as hydrochloric acid, sulfuric acid, phosphoric acid or hydrofluoric acid, and it adds concentration and is no more than 10%; Grinding and the polishing material used are silica, carborundum, cerium oxide or diamond differential etc.; Grind and the polishing material employing not with liquid reactions with do not sticked on the ball float surface by the liquid dissolved gum, with the specific gravity control of ball float at 0.1g/cm
3～0.9g/cm
3Between; The rotary speed of the part of grinding and polishing process in ball float is controlled at 1～1200 rev/min.
What the present invention used is the part rotation mode, and container 3 is fixed on the pedestal 20, and this device only need carry out a spot of change, adopt container 3 to rotate, part 7 does not rotate, and still can realize grinding and polishing, but the symmetrical ratio of precision part of the geometry of part 7 rotation mode is lower slightly behind the grinding and polishing; If adopt container 3 and part 7 to rotate simultaneously, will guarantee ball float 5 fully disturbance of quilt in grinding and polishing process, the grinding polishing effect of part 7 can be better, but can increase the manufacturing cost of device.
Claims (9)
1, uses the method for ball float grinding and polishing revolving parts, it is characterized in that: in container, insert liquid and ball float with adjustable-height cover plate; Regulate the height of cover plate, make ball float all immerse in the liquid; Part be fixed in the rotating shaft and the ball float environment that submerges in, make abrasive polishing materials with ball float, make part rotation by rotating shaft, piece surface and ball float surface mutual friction mutually realize grinding and polishing.
2, according to the method for the described grinding and polishing revolving parts of claim 1, it is characterized in that: described ball float adopts closed cell foamed plastic or oak to make its surface attachment abrasive material or polishing material.
3, according to the method for the described grinding and polishing revolving parts of claim 2, it is characterized in that: described abrasive material or polishing material are silica, carborundum, cerium oxide or diamond differential etc.
4, according to the method for claim 1 or 2 described grinding and polishing revolving parts, it is characterized in that: the radius of described ball float should be less than the minimum indent radius of curvature of parts profile line, and maximum is no more than 1.5mm.
5, according to the method for the described grinding and polishing revolving parts of claim 1, it is characterized in that: described liquid is water or machine oil.
6, according to the method for the described grinding and polishing revolving parts of claim 5, it is characterized in that: described liquid can add acids corrosive liquids such as watery hydrochloric acid, sulfuric acid, phosphoric acid or hydrofluoric acid during for water, realizes the polishing of chemical attack assisted milling.
7, according to the method for the described grinding and polishing revolving parts of claim 1, it is characterized in that: described part speed of gyration in ball float is regulated in 1～1200 rev/min of scope, thus the quality and the speed of control grinding and polishing part.
8, according to the method for the described grinding and polishing revolving parts of claim 1, it is characterized in that: regulate the height of cover plate, ball float is all immersed in the liquid, and make the pressure change that contacts of ball float and piece surface, thereby control the speed of grinding and polishing part.
9, realize the device of the described method of claim 1, it is characterized in that forming by the rotating shaft of open containers, retaining element, adjustable for height cover plate and ball float, the rotating shaft of retaining element and adjustable height cover plate are located at the top of open containers, fill liquid and the ball float that adheres to the abrasive polishing material in the container, rotating shaft is by driven by motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA031173705A CN1524660A (en) | 2003-02-26 | 2003-02-26 | Method and apparatus for barrel polishing revolving body parts using floating ball |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA031173705A CN1524660A (en) | 2003-02-26 | 2003-02-26 | Method and apparatus for barrel polishing revolving body parts using floating ball |
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| Publication Number | Publication Date |
|---|---|
| CN1524660A true CN1524660A (en) | 2004-09-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA031173705A Pending CN1524660A (en) | 2003-02-26 | 2003-02-26 | Method and apparatus for barrel polishing revolving body parts using floating ball |
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| CN (1) | CN1524660A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102658507A (en) * | 2012-04-19 | 2012-09-12 | 厦门钨业股份有限公司 | Flexible passivating processing method for superhard cutting tool and flexible passivating processing device thereof |
| CN107186606A (en) * | 2017-07-25 | 2017-09-22 | 中国电子科技集团公司第二十六研究所 | Twp-sided polishing machine slurry recycling system |
-
2003
- 2003-02-26 CN CNA031173705A patent/CN1524660A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102658507A (en) * | 2012-04-19 | 2012-09-12 | 厦门钨业股份有限公司 | Flexible passivating processing method for superhard cutting tool and flexible passivating processing device thereof |
| CN102658507B (en) * | 2012-04-19 | 2014-11-05 | 厦门钨业股份有限公司 | Flexible passivating processing method for superhard cutting tool and flexible passivating processing device thereof |
| CN107186606A (en) * | 2017-07-25 | 2017-09-22 | 中国电子科技集团公司第二十六研究所 | Twp-sided polishing machine slurry recycling system |
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