CN104128876A - Sphere conveying mechanism of device for machining high-precision sphere - Google Patents
Sphere conveying mechanism of device for machining high-precision sphere Download PDFInfo
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- CN104128876A CN104128876A CN201410317895.1A CN201410317895A CN104128876A CN 104128876 A CN104128876 A CN 104128876A CN 201410317895 A CN201410317895 A CN 201410317895A CN 104128876 A CN104128876 A CN 104128876A
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- conveying mechanism
- mandrel
- sphere
- rolling way
- spiral rolling
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- 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
- B24B37/00—Lapping machines or devices; Accessories
- B24B37/02—Lapping machines or devices; Accessories designed for working surfaces of revolution
- B24B37/025—Lapping machines or devices; Accessories designed for working surfaces of revolution designed for working spherical surfaces
-
- 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
- B24B37/00—Lapping machines or devices; Accessories
- B24B37/34—Accessories
- B24B37/345—Feeding, loading or unloading work specially adapted to lapping
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
Abstract
The invention discloses a sphere conveying mechanism of a device for machining a high-precision sphere. The sphere conveying mechanism of the device for machining the high-precision sphere comprises a support, an upper free rolling way, a lower free rolling way, an outer spiral rolling way, a mandrel and scrapers, wherein the mandrel is connected with a feeding driving mechanism which is used for driving the mandrel to rotate, the scrapers are arranged on the outer circle of the mandrel at equal arc intervals, the size of a gap between every two adjacent scrapers is larger than that of the sphere to be conveyed, the outer spiral rolling way is arranged from top to bottom and is attached to the outer side faces of the scrapers, a conveyance station used for containing the sphere is formed by the gaps between the adjacent scarpers and the outer spiral rolling way, the upper free rolling way and the lower free rolling way are obliquely arranged, the upper end of the outer spiral rolling way is connected with the upper end of the upper free rolling way, the lower end of the upper free rolling way serves as an outlet of the sphere conveying mechanism, the lower end of the outer spiral rolling way is connected with the lower end of the lower free rolling way, and the upper end of the lower free rolling way serves as an inlet of the sphere conveying mechanism. The sphere conveying mechanism of the device for machining the high-precision sphere has the advantages that circulating machining of the sphere is achieved, the machining efficiency is high, a machining path can be controlled quite accurately, and the machining uniformity is high.
Description
Technical field
The present invention relates to high-precision sphere process equipment, especially a kind of spheroid conveying mechanism.
Background technology
High-precise ball is the critical elements in roundness measuring equipment, gyro, bearing and accurate measurement, and the benchmark of Chang Zuowei accurate measurement, has very consequence in precision equipment and Precision Machining.Particularly in ball bearing, use in a large number, it is the vital part of ball bearing, the precision of bearing ball (spherical deviation, ball diameter variation and surface roughness) directly affects the technical indicators such as kinematic accuracy, noise and life-span of ball bearing, and then affects the performance of equipment, instrument.Compare with traditional bearing steel ball material (GCr15), wear-resisting, high temperature resistant, corrosion-resistant, nonmagnetic, low-density (for 40% left and right of bearing steel) that the advanced ceramics materials such as silicon nitride have, the series of advantages such as coefficient of thermal expansion little (be bearing steel 25%) and elastic modelling quantity large (for 1.5 times of bearing steel), are considered to manufacture the optimal material of bearing ball of working under ramjet, high speed and precision lathe, precision instrument high speed, high accuracy and particular surroundings.
For the attrition process of Ceramic Balls, have some corresponding processing methods both at home and abroad, as: V-shaped groove grinding, circle groove polishing, conical disc polishing, angle of rotation ACTIVE CONTROL polishing, magnetic suspension polishing etc.In the process such as V-shaped groove attrition process, circle groove attrition process, conical disc attrition process, ball base can only be made " constant relative bearing " and grind motion, the spin axis that is ball base is fixed the space orientation of hollow shaft, and ball base is around a fixing spin axis rotation.Practice and theory analysis all show that " constant relative bearing " grinds motion is disadvantageous to the grinding of ball, the grinding trace that the contact point of ball base and abrasive disk forms on ball base surface is one group and take the annulus that the ball base axis of rotation is axle, abrasive disk carries out " repeatability " grinding along three coaxial circles traces of three contact points to ball base, be unfavorable for that ball base surface obtains evenly and grinds rapidly, in reality processing, need to rely on ball base to skid, the phenomenons such as stirring, make the spin axis of ball base and the relative workpiece orientation of hollow shaft occur slowly to change, reach the object of even grinding, but the variation of this spin angle is very slow, random, uncontrollable, thereby sphericity and the working (machining) efficiency of processing have been limited.And angle of rotation ACTIVE CONTROL grind have can independent rotation three abrasive disks, can change to adjust by controlling lap speed the orientation of the spin axis of ball base, ball base can be made " change relative bearing " and grind motion, the grinding trace on ball base surface is to take the Spatial Sphere surface curve that the ball base axis of rotation is axle, can cover the even whole ball base of major part surface, be conducive to ball base surface and obtain evenly, grind efficiently.In above-mentioned several different methods, with regard to required device complexity, the easiest with traditional V-shaped groove processing method, magnetic suspension grinding and angle of rotation ACTIVE CONTROL processing method relative complex.
The technological deficiency existing in existing structure: there is no Ceramic Balls cyclic process function, working (machining) efficiency is lower, machining path precise control is poor, processing uniformity poor.
Summary of the invention
For overcome existing high-precision ceramic balls process equipment without spheroid cyclic process function, working (machining) efficiency is lower, machining path precise control is poor, the poor deficiency of processing uniformity, the invention provides that a kind of working (machining) efficiency is higher, machining path precise control better, the spheroid conveying mechanism of the good high-precision sphere process equipment of processing uniformity
The technical solution adopted for the present invention to solve the technical problems is:
A kind of spheroid conveying mechanism of high-precision sphere process equipment, comprise support, upper free raceway, lower free raceway, outside spiral rolling track, mandrel and scraper plate, described free raceway, lower free raceway, outside spiral rolling track is rack-mount, described mandrel is connected with the material loading driving mechanism for rotating with moving mandrel, described scraper plate is arranged at the circular arc intervals such as the outer ring of described mandrel, Gap-Ratios spheroid to be conveyed between described adjacent scraper plate is large, described outside spiral rolling track is arranged from top to bottom, described outside spiral rolling track is attached to scraper plate lateral surface, the gap of described adjacent scraper plate and outside spiral rolling track form the feed station of placing for described spheroid, described free raceway, lower free raceway becomes to be in tilted layout, the upper end of described outside spiral rolling track is connected with the upper end of described free raceway, the lower end of described free raceway is the outlet of described spheroid conveying mechanism, the lower end of described outside spiral rolling track is connected with the lower end of described lower free raceway, the upper end of described lower free raceway is the import of spheroid conveying mechanism.
Further, described outside spiral rolling track is supporting steel wire.Certainly, can be also other support members.
Further again, described material loading driving mechanism comprises material loading motor, the first drive pulley and the second drive pulley, the first drive pulley is installed on the output shaft of material loading motor, described the first drive pulley is connected with the second drive pulley by driving-belt, described the second drive pulley is arranged on the lower end of mandrel, described scraper plate is arranged on the top of described mandrel, and described mandrel is installed in rotation on described support.
Technical conceive of the present invention is: conveying mechanism adopts single track, unidirectional conveying, makes to process ball and can again enter successively attrition process region, and restart next round processing.Open raceway design has facilitated the sampling of processing ball to detect simultaneously, and counting statistics etc.Meanwhile, the present invention focuses on the precedence between ball and ball in course of conveying, and few being in contact with one another and pushing of trying one's best, and has avoided the impact of processing ball between course of conveying, has guaranteed the Grinding Quality of processing ball.
Beneficial effect of the present invention is mainly manifested in: apparatus structure is simple, can reach the state of cyclic process successively, avoids the collision between ball and ball, facilitates sight control.Final processing ball high accuracy, the high conforming batch machining of realizing, significant to the Ultraprecision Machining of development bearing ball.
Accompanying drawing explanation
Fig. 1 is the schematic three dimensional views of the spheroid conveying mechanism of high-precision sphere process equipment.
Fig. 2 is the top view of Fig. 1.
Fig. 3 is high-precision sphere circular grinding process equipment schematic diagram of the present invention.
Fig. 4 is order Chu Qiu mechanism top view sketch in the present invention.
Fig. 5 is order Chu Qiu mechanism front view sketch.
The specific embodiment
Below in conjunction with accompanying drawing, the invention will be further described.
With reference to Fig. 1～Fig. 5, a kind of spheroid conveying mechanism of high-precision sphere process equipment, comprise support 16, upper free raceway 12, lower free raceway 15, outside spiral rolling track 13, mandrel and scraper plate 14, described free raceway 12, lower free raceway 15, outside spiral rolling track 13 is arranged on support 16, described mandrel is connected with the material loading driving mechanism for rotating with moving mandrel, described scraper plate 14 is arranged at the circular arc intervals such as the outer ring of described mandrel, Gap-Ratios spheroid to be conveyed between described adjacent scraper plate 14 is large, described outside spiral rolling track 13 is arranged from top to bottom, described outside spiral rolling track 13 is attached to scraper plate 14 lateral surfaces, the gap of described adjacent scraper plate 14 and outside spiral rolling track 13 form the feed station of placing for described spheroid, described free raceway 12, 15 one-tenth of lower free raceways are in tilted layout, the upper end of described outside spiral rolling track 13 is connected with the upper end of described free raceway 12, the lower end of described free raceway 12 is the outlet of described spheroid conveying mechanism, the lower end of described outside spiral rolling track 13 is connected with the lower end of described lower free raceway 15, the upper end of described lower free raceway 15 is the import of spheroid conveying mechanism.
Further, described outside spiral rolling track 13 is supporting steel wire.Certainly, can be also other support members.
Further again, described material loading driving mechanism comprises material loading motor 18, the first drive pulley and the second drive pulley, the first drive pulley is installed on the output shaft of material loading motor 18, described the first drive pulley is connected with the second drive pulley by driving-belt 17, described the second drive pulley is arranged on the lower end of mandrel, described scraper plate 14 is arranged on the top of described mandrel, and described mandrel is installed in rotation on described support 16.
The spheroid conveying mechanism of the present embodiment is applied to high-precision sphere circular grinding process equipment, with reference to Fig. 3, a kind of high-precision sphere circular grinding process equipment, comprise frame, lower abrasive disk 8 and top lap 9 are installed in described frame, described lower abrasive disk 8 be positioned at described top lap 9 under, the upper end of described top lap 9 and pressue device 10, 11 connect, described lower abrasive disk 8 is arranged on abrasive disk main shaft 2, described abrasive disk main shaft 2 is connected with grinding driving mechanism, on the machined surface of described lower abrasive disk 8, have continuous processing groove, the starting point of described continuous processing groove is the center of circle of lower abrasive disk 8, the terminal of described continuous processing groove is the outward flange of lower abrasive disk 8, the bottom of described lower abrasive disk 8 arranges swivel mount 7, one circle of described swivel mount 7 has the annular groove falling into for spheroid, the opening of described annular groove is positioned at the outer peripheral below of described top lap 8, baffle plate 6 is arranged in the bottom of described swivel mount 7, described baffle plate 6 is fixedly mounted in frame, on described baffle plate 6, have the material-dropping hole that a described spheroid of confession falls, described material-dropping hole is connected with the import of spheroid conveying mechanism, the outlet of described spheroid conveying mechanism is connected with the center through hole of top lap 9, described swivel mount 7 is connected with rotary drive mechanism.
Described grinding driving mechanism comprises main pulley, from belt wheel and spindle motor 1, described rotary drive mechanism comprises driving gear 4, driven gear 5 and rotary drive motor 3, described abrasive disk main shaft 2 is fixedly connected with the inner ring of rolling bearing, the outer ring of described rolling bearing is fixedly connected with swivel mount 7, described swivel mount 7 is fixedly connected with driven gear 5, described driven gear 5 and driving gear 4 engagements, described driving gear 4 is arranged on the output shaft of described rotary drive motor 3, on described abrasive disk main shaft 2, main pulley is installed, described main pulley by driving-belt with from belt wheel, be connected, describedly from belt wheel, be arranged on the output shaft of spindle motor 1.
Further, described continuous processing groove is V-shaped groove.Certainly, can be also other forms.The track of described continuous processing groove is variable curvature curve.Such as helix etc.
In the present embodiment, swivel mount 7 and abrasive disk main shaft 2 reach not interfereing with each other of rotation by the rolling bearing in main shaft sleeve outside.Described abrasive disk main shaft 2 is driven by spindle motor 1 band transmission, and described swivel mount 7 is driven by rotary drive motor 3; Lower abrasive disk 8 has variable curvature V-shaped groove, and the outlet of described variable curvature groove is at abrasive disk edge; The blanking port of described baffle plate 6 is connected by lower free raceway 15 with the import of spheroid conveying mechanism; The outlet of described spheroid conveying mechanism is connected by upper free raceway 12 with top lap 9 centers; Swivel mount 7 catches with baffle plate 6 the ball base freely dropping from lower abrasive disk 8, the ball base successively dropping order in rotation retainer is not upset, when the blanking port by baffle plate 6, roll out successively, by spheroid conveying mechanism, finally get back to lower abrasive disk 8 centers, realize and successively ball base efficient circulation being processed.Described pressue device (10,11) applies the tonnage that meets processing request to top lap 9.
With reference to figure 4, be order Chu Qiu mechanism top view sketch, wherein baffle plate 6 has ball mouth (as shown in the figure) in fixed position, and the rotation that ball base is followed swivel mount 7 successively arrives ball mouth, and drops.Position relationship between processing ball and processing ball, is kept by swivel mount lead to the hole site.
With reference to figure 5, be order Chu Qiu mechanism front view sketch, swivel mount 7 has the through hole by circumference array, and baffle plate 6 stops spheroid to drop.Spheroid is followed retainer and is moved to baffle plate permanent opening place, and spheroid can freely enter raceway, via raceway, enters conveying mechanism.
With reference to figure 1 and Fig. 2, be conveying mechanism rotation transport portion schematic three dimensional views, mainly by scraper plate 14 and outside spiral rolling track 13, formed.Spheroid enters after transport portion, falls into the position between each scraper plate, and scraper plate is by rotating shaft driven rotary, and spheroid rolls forward under the promotion of scraper plate.The rolling path of spheroid is outside spiral rolling track 14, and spheroid is under scraper plate promotes, along the raceway ascending motion of spinning.Finally by conveying device bottom, arrive conveying device top, via the upper free raceway being communicated with, get back to abrasive disk, carry out cyclic process next time.
The abrasive material of processing is selected fixed abrasive material or free abrasive, and described Ceramic Balls base to be processed, at upper and lower abrasive disk working face, is evenly ground under the effect of determining load and abrasive material, and by the circulatory system, carries out many wheels and grind.
Utilize apparatus of the present invention, processing silicon nitride ceramic ball base, processing conditions is as following table 1:
Table 1
What following table 2 was listed is the testing result of ceramic ball finished product.From testing result: the precision level of the Ceramic Balls processing has reached the G3 precision of steel ball.
Table 2.
Claims (3)
1. the spheroid conveying mechanism of a high-precision sphere process equipment, it is characterized in that: comprise support, upper free raceway, lower free raceway, outside spiral rolling track, mandrel and scraper plate, described free raceway, lower free raceway, outside spiral rolling track is rack-mount, described mandrel is connected with the material loading driving mechanism for rotating with moving mandrel, described scraper plate is arranged at the circular arc intervals such as the outer ring of described mandrel, Gap-Ratios spheroid to be conveyed between described adjacent scraper plate is large, described outside spiral rolling track is arranged from top to bottom, described outside spiral rolling track is attached to scraper plate lateral surface, the gap of described adjacent scraper plate and outside spiral rolling track form the feed station of placing for described spheroid, described free raceway, lower free raceway becomes to be in tilted layout, the upper end of described outside spiral rolling track is connected with the upper end of described free raceway, the lower end of described free raceway is the outlet of described spheroid conveying mechanism, the lower end of described outside spiral rolling track is connected with the lower end of described lower free raceway, the upper end of described lower free raceway is the import of spheroid conveying mechanism.
2. the spheroid conveying mechanism of high-precision sphere process equipment as claimed in claim 1, is characterized in that: described outside spiral rolling track is supporting steel wire.
3. the spheroid conveying mechanism of high-precision sphere process equipment as claimed in claim 1 or 2, it is characterized in that: described material loading driving mechanism comprises material loading motor, the first drive pulley and the second drive pulley, the first drive pulley is installed on the output shaft of material loading motor, described the first drive pulley is connected with the second drive pulley by driving-belt, described the second drive pulley is arranged on the lower end of mandrel, described scraper plate is arranged on the top of described mandrel, and described mandrel is installed in rotation on described support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410317895.1A CN104128876B (en) | 2014-07-04 | 2014-07-04 | The spheroid conveying mechanism of high-precision sphere process equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410317895.1A CN104128876B (en) | 2014-07-04 | 2014-07-04 | The spheroid conveying mechanism of high-precision sphere process equipment |
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| CN104128876A true CN104128876A (en) | 2014-11-05 |
| CN104128876B CN104128876B (en) | 2016-09-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410317895.1A Active CN104128876B (en) | 2014-07-04 | 2014-07-04 | The spheroid conveying mechanism of high-precision sphere process equipment |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106312713A (en) * | 2016-08-30 | 2017-01-11 | 重庆凯龙科技有限公司 | Heat insulation plate flatness machining device |
| CN108214191A (en) * | 2018-01-22 | 2018-06-29 | 广德盛源电器有限公司 | A kind of drum-type sander |
| CN114589621A (en) * | 2022-02-11 | 2022-06-07 | 江苏大学 | Automatic steel ball feeding and discharging device for ball finishing machine |
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| US2838159A (en) * | 1957-04-17 | 1958-06-10 | Siegfried Fritz | Spiral ball conveyor |
| JPH07174206A (en) * | 1993-12-22 | 1995-07-11 | Nakaichi Seiki Kk | Feed transfer device utilizing ball |
| JP2000229140A (en) * | 1999-02-12 | 2000-08-22 | Bu:Kk | Conveying apparatus for golf ball |
| CN203993504U (en) * | 2014-07-04 | 2014-12-10 | 浙江工业大学 | The spheroid conveying mechanism of high-precision sphere process equipment |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DD300260A7 (en) * | 1988-12-27 | 1992-06-04 | Ferdi-Technik Gmbh Ausruestung Tierproduktion,De | SCHNECKENFRAESTROMMEL |
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2014
- 2014-07-04 CN CN201410317895.1A patent/CN104128876B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2838159A (en) * | 1957-04-17 | 1958-06-10 | Siegfried Fritz | Spiral ball conveyor |
| JPH07174206A (en) * | 1993-12-22 | 1995-07-11 | Nakaichi Seiki Kk | Feed transfer device utilizing ball |
| JP2000229140A (en) * | 1999-02-12 | 2000-08-22 | Bu:Kk | Conveying apparatus for golf ball |
| CN203993504U (en) * | 2014-07-04 | 2014-12-10 | 浙江工业大学 | The spheroid conveying mechanism of high-precision sphere process equipment |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106312713A (en) * | 2016-08-30 | 2017-01-11 | 重庆凯龙科技有限公司 | Heat insulation plate flatness machining device |
| CN108214191A (en) * | 2018-01-22 | 2018-06-29 | 广德盛源电器有限公司 | A kind of drum-type sander |
| CN114589621A (en) * | 2022-02-11 | 2022-06-07 | 江苏大学 | Automatic steel ball feeding and discharging device for ball finishing machine |
| CN114589621B (en) * | 2022-02-11 | 2024-04-12 | 江苏大学 | Automatic steel ball feeding and discharging device for ball polishing machine |
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| CN104128876B (en) | 2016-09-14 |
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Application publication date: 20141105 Assignee: NINGBO CIXING BEARING CO., LTD. Assignor: Zhejiang University of Technology Contract record no.: 2018330000049 Denomination of invention: Sphere conveying mechanism of device for machining high-precision sphere Granted publication date: 20160914 License type: Common License Record date: 20180509 |
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