CN103100940A - Grinding mechanism for spherical end surface of bearing roller - Google Patents

Grinding mechanism for spherical end surface of bearing roller Download PDF

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Publication number
CN103100940A
CN103100940A CN2013100393646A CN201310039364A CN103100940A CN 103100940 A CN103100940 A CN 103100940A CN 2013100393646 A CN2013100393646 A CN 2013100393646A CN 201310039364 A CN201310039364 A CN 201310039364A CN 103100940 A CN103100940 A CN 103100940A
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China
Prior art keywords
cylinder
grinding wheel
wheel
end surface
grinding
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Pending
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CN2013100393646A
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Chinese (zh)
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黎升祥
黎晓林
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黎升祥
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Priority to CN2013100393646A priority Critical patent/CN103100940A/en
Publication of CN103100940A publication Critical patent/CN103100940A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a grinding mechanism for the spherical end surface of a bearing roller and relates to the field of machinery machining. According to the grinding mechanism for the spherical end surface of the bearing roller, a baffle plate (6) is arranged in an inner hole of a cylinder-shaped grinding wheel, thus fault due to the fact that a work piece enters the cylinder-shaped grinding hole can not occur when the work piece penetrates through the inner hole of the cylinder-shaped grinding wheel. Meanwhile, the axes of the cylinder-shaped grinding wheel and a material delivery disk (18) are enabled to be arranged in the same plane, the cylinder-shaped grinding wheel encircles the self axis to rotate, and the work piece (17) is formed by grinding when passing through the spherical end surface of the cylinder-shaped grinding wheel along with the material delivering disk. By means of the grinding mechanism for the spherical end surface of the bearing roller, abrasion of the cylinder-shaped grinding wheel is uniform in the process of operation, and meanwhile, self grinding of the cylinder-shaped grinding wheel enables the working spherical surface of the cylinder-shaped grinding wheel to be kept stable, thus the grinding wheel does not need repairing for a longer time, and processing quality and stability of equipment are greatly improved. The grinding mechanism for the spherical end surface of the bearing roller further has the advantages of being simple in structure, long in service life of the cylinder-shaped grinding wheel, high in production efficiency, convenient to operate and the like.

Description

A kind of grinding mechanism of bearing roller spherical end surface
[technical field]
The present invention relates to field of machining, relate in particular to the grinding of bearing roller, be specifically related to a kind of grinding mechanism of taper roller spherical end surface.
[background technology]
known, rolling bearing can be divided into ball bearing and roller bearing by the difference of rolling element shape, and roller bearing can be divided into cylinder roller bearing, the polytype such as taper roll bearing and needle bearing, wherein taper roll bearing with can bear larger radial load and axial load with and produce, characteristics easy to assembly etc. are widely used in industry-by-industry, because the precision of taper roller is most important to precision and the service life of bearing, therefore in taper roll bearing is produced, the grinding of taper roller, particularly the grinding of spherical end surface is very crucial, and it is at present all not all roses for the equipment for grinding of taper roller spherical end surface, wherein a kind of carries out feeding by disk, this equipment can bring harmful residual magnetism to taper roller in feeding process, therefore now use aborning fewer and feweri.And adopt the producer that processes without the magnetic spheric end grinding machine more and more, that comparatively commonly uses at present mainly contains following two kinds without the magnetic spheric end grinding machine:
a kind of is the taper roller spheric end grinding machine that adopts the solid cylindrical emery wheel, the feed table of this equipment and the axis of emery wheel are in same plane, the operative end surface of emery wheel is trimmed to concave spherical surface, its medium plain emery wheel is around self axis rotation, taper roller under the drive of feed table from the center of abrasive wheel end face by after be ground shaping, taper roller quality after grinding is better, but because the linear velocity of abrasive wheel end face each point is directly proportional with its radius, the linear velocity of emery wheel is the highest in outer radius, and be zero in the linear velocity of circle centre position, when taper roller process emery wheel centre, because of the too low normally grinding of grinding speed, simultaneously, because the core wearing and tearing of emery wheel are slower, be difficult for keeping the stability of emery wheel spherical shape.In order to guarantee the grinding quality of taper roller, the end face of trimming wheel continually, thus greatly shortened service life of emery wheel, increased production cost;
Another kind of without the magnetic spheric end grinding machine different from the first equipment be to have adopted cylinder grinding wheel to carry out grinding to taper roller, in order to prevent that taper roller from entering the endoporus of cylinder grinding wheel in grinding process, center line deflection certain angle with feed table and emery wheel, the center that makes taper roller depart from emery wheel is passed through from the entity part of emery wheel, although having overcome too low adverse effect and the emery wheel of the said equipment emery wheel core linear velocity, this equipment needs frequent shortcoming of repairing, but because this equipment adjustment is more difficult, therefore can't obtain large-scale promotion and application.
[summary of the invention]
in order to overcome the deficiency that exists in background technology, the invention provides a kind of grinding mechanism of bearing roller spherical end surface, the present invention adopts cylinder grinding wheel to carry out grinding to workpiece, avoided the grinding of emery wheel heart section, greatly improved production efficiency, the present invention simultaneously is by arranging baffle plate in the endoporus of cylinder grinding wheel, avoided workpiece to enter the cylinder grinding wheel endoporus and caused fault, grinding excessively can be proceeded in the top of workpiece along baffle plate from cylinder grinding wheel after the bottom of cylinder grinding wheel simultaneously, the present invention has simple in structure, the characteristics such as easy to operate, suitable for large-scale promotion and use.
For realizing goal of the invention as above, the present invention adopts technical scheme as described below:
A kind of grinding mechanism of bearing roller spherical end surface adopts cylinder grinding wheel to carry out grinding to workpiece, is provided with baffle plate in the hole of described cylinder grinding wheel.
The grinding mechanism of described bearing roller spherical end surface, described baffle plate is fixed in the endoporus of cylinder grinding wheel by barrier support.
The grinding mechanism of described bearing roller spherical end surface, described workpiece carries out feeding by feed table along the cylinder grinding wheel shaft section.
Baffle plate in the grinding mechanism of described bearing roller spherical end surface, described cylinder grinding wheel hole and barrier support baffle plate when changing the workpiece of different model is adjustable in the axis direction position of cylinder grinding wheel.
The grinding mechanism of described bearing roller spherical end surface, the center line of described cylinder grinding wheel for be horizontally disposed with or with the angled setting of horizontal plane.
Adopt technical scheme as above, have superiority as described below:
The grinding mechanism of a kind of bearing roller spherical end surface of the present invention, adopt cylinder grinding wheel to carry out grinding to workpiece, avoided the grinding of emery wheel heart section, improved the grinding quality of lathe, reduced simultaneously the finishing number of times to cylinder grinding wheel, greatly improved production efficiency and extended service life of cylinder grinding wheel; The characteristics such as the present invention makes workpiece send to by the shaft section of cylinder grinding wheel, has improved the stability of workpiece spherical geometry shape, and the present invention has simple in structure, and is easy to operate, suitable for large-scale promotion and application.
[description of drawings]
Fig. 1 is structural representation of the present invention;
Fig. 2 is grinding process schematic diagram of the present invention;
Fig. 3 is the structural representation of baffle plate installation site in the present invention;
In the drawings: 1, belt wheel A; 2, belt A; 3, belt wheel B; 4, motor A; 5, cylinder grinding wheel; 6, baffle plate; 7, barrier support; 8, belt wheel C; 9, left guide wheel shaft; 10, belt B; 11, feed screw nut pair A; 12, belt wheel D; 13, decelerator A; 14, motor B; 15, motor C; 16, grinding wheel stand; 17, workpiece; 18, feed table; 19, right guide wheel; 20, right guide wheel shaft; 21, mandrel; 22, belt wheel E; 23, belt C; 24, feed screw nut pair B; 25, belt wheel F; 26, decelerator B; 27, motor D; 28, V-shaped part; 29, left guide wheel.
[specific embodiment]
Can explain in more detail the present invention by the following examples, the present invention is not limited to the following examples;
the grinding mechanism of 1~3 described a kind of bearing roller spherical end surface by reference to the accompanying drawings, adopt 5 pairs of workpiece of cylinder grinding wheel 17 to carry out grinding, the center line of described cylinder grinding wheel 5 for be horizontally disposed with or with the angled setting of horizontal plane, be provided with the spherical that caves inward in the end of cylinder grinding wheel 5, its spherical radius should equate with the spherical end surface radius of workpiece to be machined, be provided with baffle plate 6 in the hole of described cylinder grinding wheel 5, described baffle plate 6 is fixed in the endoporus of cylinder grinding wheel 5 by barrier support 7, baffle plate 6 in described cylinder grinding wheel 5 holes and barrier support 7 baffle plate 6 when changing the workpiece 17 of different model is adjustable in the axis direction position of cylinder grinding wheel 5, described barrier support 7 where necessary can be in the axis direction adjustment of cylinder grinding wheel 5, wherein cylinder grinding wheel 5 is arranged on a side of feed mechanism, feed table 18 outer rims in described feed mechanism are provided with a plurality of V-shaped parts 28 be used to depositing workpiece 17, described workpiece 17 carries out feeding by feed table 18 along cylinder grinding wheel 5 shaft sections, feed table 18 is arranged between right guide wheel 19 and left guide wheel 29, described right guide wheel 19 and left guide wheel 29 be connection for transmission mechanism respectively, driving respectively right guide wheel 19 and left guide wheel 29 by transmission mechanism is forward and reverse rotation and makes the V-shaped part 28 that arranges on feed table 18 drive the grinding area that workpiece 17 enter cylinder grinding wheel 5 continuously to carry out grinding.
The grinding mechanism of described bearing roller spherical end surface, described cylinder grinding wheel 5 be arranged on grinding wheel stand 16 above, described grinding wheel stand 16 drives grinding wheel stand 16 by motor C15 and screw pair and advances and retreat, and cylinder grinding wheel 5 is by belt wheel A1, belt A 2, belt wheel B3 and motor A4 driven rotary.
the grinding mechanism of described bearing roller spherical end surface, its right guide wheel 19 by motor D 27 through decelerator B26, belt wheel F25, belt C23, belt wheel E22 and right guide wheel shaft 20 driven rotary, right guide wheel 19 be arranged on slide A above, described slide A horizontally slips by feed screw nut pair B24, left guide wheel 29 by motor B14 through decelerator A13, belt wheel D12, belt B10, belt wheel C8 and left guide wheel shaft 9 driven rotary, left guide wheel 29 be arranged on slide B above, described slide B horizontally slips by feed screw nut pair A11, be provided with mandrel 21 in the endoporus of right guide wheel shaft 20 or left guide wheel shaft 9, the end of described mandrel 21 is provided with feed table 18.
Implementation method of the present invention is, at first workpiece 17 is sent into the V-shaped part 2 on feed table 18 tops, right guide wheel 19 and left guide wheel 29 are around self axis rotation, but its direction of rotation is opposite, after workpiece 17 entered spigot surface between right guide wheel 19 and left guide wheel 29, workpiece 17 was around self axis rotation under the effect of frictional force between right guide wheel 19 and left guide wheel 29; Due to the separation of workpiece 17 by feed table 18, can not rub mutually between each workpiece 17; When the rotating speed of right guide wheel 19 during greater than the rotating speed of left guide wheel 29, workpiece 17 can be with half of both differentials around feed table 18 center lines revolution; Owing to being provided with baffle plate 6 in the hole of cylinder grinding wheel 5, drop in the hole of cylinder grinding wheel 5 when effectively having avoided workpiece 17 through cylinder grinding wheel 5 endoporus; Along with the continuous rotation of feed table 18, the workpiece 17 after grinding can be taken away grinding area, breaks away from V-shaped part 28 under the effect of deadweight.
The present invention is in implementation process, and the center line of cylinder grinding wheel 5 is vertical with the center line of right guide wheel 19 with left guide wheel 29, and intersects in the symmetric position of left guide wheel 29 and right guide wheel 19 and the center line of left guide wheel 29 and right guide wheel 19.Tail end at the grinding wheel spindle of cylinder grinding wheel 5 is equipped with belt wheel A1, the upper cover of belt wheel A1 has belt A 2, and the other end of belt A 2 is enclosed within belt wheel B3, and belt wheel B3 connects with motor A4, grinding wheel stand 16 links with motor C15, and motor C15 completes forward and back and the compensating motion of cylinder grinding wheel 5 by the feed screw nut.
Wherein the operative end surface of cylinder grinding wheel 5 should be trimmed to the sphere of suitable radius before equipment carries out work.
The feed rate of workpiece 17 is to calculate like this: the rotating speed of supposing right guide wheel 19 is n1, the rotation speed n 2 of left guide wheel 29, as n1 during greater than n2, workpiece 17 meetings are revolved round the sun around the center line of feed table 18 with the rotating speed of half n3 of both differentials, complete sending to and grinding process through cylinder grinding wheel 5 spherical end surfaces.In this process, feed table 18 is being pushed away passively speed with n3 around self axis rotation by workpiece 17, but feed table 18 plays a part again to separate workpiece 17 and controls workpiece 17 directions conversely, and it has very important impact to crudy.
Wherein the size of n3 has determined that feeding speed is production efficiency, and too small-scale production efficient of n3 is low, and it is unfavorable to crudy that n3 crosses conference, and this need to decide according to factors such as the actual size of workpiece 17 and allowance sizes.N3 is calculated as follows:
n3=?(n1-n2)/2
The rotation speed n 1 of right guide wheel 19 can be by carrying out frequency control to motor D 27, and the rotation speed n 2 of left guide wheel 29 can be by carrying out frequency control to motor B14, thereby can realize the revolution speed of workpiece 17 is adjusted arbitrarily.
Workpiece 17 for different size and different spherical end surface radiuses, should change the parts such as left guide wheel 29, right guide wheel 19, feed table 18 and baffle plate 6, also need simultaneously to change by feed screw nut pair A11 and feed screw nut pair B24 position and the distance of left guide wheel 29 and right guide wheel 19, answer simultaneously regulating fender support 7, make baffle plate 6 be in suitable position.
Wherein the material loading of workpiece 17, send to, grinding, blanking be synchronously to carry out continuously, the choose reasonable operation parameter can obtain desirable production efficiency.
Driving member in above-mentioned embodiment can change under different situations, and for example belt and belt wheel also can adopt chain and sprocket wheel etc.
The present invention is not limited only to process taper roller, is equally applicable to the grinding of other similar workpiece.
Part not in the detailed description of the invention is prior art.
The above embodiments have been selected in this article for open the present invention.But, will be appreciated that, the present invention is intended to comprise that all belong to all changes and the improvement of the embodiment in this design and invention scope.

Claims (5)

1. the grinding mechanism of a bearing roller spherical end surface, is characterized in that: adopt cylinder grinding wheel (5) to carry out grinding to workpiece (17), be provided with baffle plate (6) in the hole of described cylinder grinding wheel (5).
2. the grinding mechanism of bearing roller spherical end surface according to claim 1, it is characterized in that: described baffle plate (6) is fixed in the endoporus of cylinder grinding wheel (5) by barrier support (7).
3. the grinding mechanism of bearing roller spherical end surface according to claim 1, it is characterized in that: described workpiece (17) carries out feeding by feed table (18) along cylinder grinding wheel (5) shaft section.
4. the grinding mechanism of bearing roller spherical end surface according to claim 1 is characterized in that: the baffle plate (6) in described cylinder grinding wheel (5) hole and barrier support (7) baffle plate (6) when changing the workpiece (17) of different model is adjustable in the axis direction position of cylinder grinding wheel (5).
5. the grinding mechanism of bearing roller spherical end surface according to claim 1 is characterized in that: the center line of described cylinder grinding wheel (5) for be horizontally disposed with or with the angled setting of horizontal plane.
CN2013100393646A 2013-02-01 2013-02-01 Grinding mechanism for spherical end surface of bearing roller Pending CN103100940A (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104889839A (en) * 2015-06-16 2015-09-09 安徽省百基机电科技有限公司 Bearing roller face grinding machine applicable to bearing rollers with different diameters
CN107009264A (en) * 2017-05-03 2017-08-04 浙江通达磁业有限公司 The feeding and clamping mechanism of cylindrical magnetic core
CN113696010A (en) * 2021-09-03 2021-11-26 绍兴文理学院 Rotating disc type automatic feeding centerless grinding device and method thereof

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1086144B (en) * 1959-01-20 1960-07-28 Ahle Fa Geb Automatic grinding machine for grinding both ends of several springs at the same time
SU1033291A1 (en) * 1982-04-19 1983-08-07 Куйбышевский ордена Трудового Красного Знамени политехнический институт им.В.В.Куйбышева Apparatus for continuous grinding of roller spheric faces
DE4035761A1 (en) * 1990-11-07 1992-05-14 Gerfema Ges Fuer Rationalisier Centreless grinding of end faces of rollers - involves first disc mounted eccentrically to second disc which carries rollers
CN2792703Y (en) * 2005-04-27 2006-07-05 黎升祥 Conical roller spherical grinding machine with end face
RU2009100252A (en) * 2009-01-11 2010-07-20 Государственное образовательное учреждение высшего профессионального образования Самарский государственный технический университе METHOD FOR GRINDING SPHERICAL ENDS OF CONIC ROLLERS
CN203092266U (en) * 2013-02-01 2013-07-31 黎升祥 Grinding mechanism of spherical end face of bearing roller

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1086144B (en) * 1959-01-20 1960-07-28 Ahle Fa Geb Automatic grinding machine for grinding both ends of several springs at the same time
SU1033291A1 (en) * 1982-04-19 1983-08-07 Куйбышевский ордена Трудового Красного Знамени политехнический институт им.В.В.Куйбышева Apparatus for continuous grinding of roller spheric faces
DE4035761A1 (en) * 1990-11-07 1992-05-14 Gerfema Ges Fuer Rationalisier Centreless grinding of end faces of rollers - involves first disc mounted eccentrically to second disc which carries rollers
CN2792703Y (en) * 2005-04-27 2006-07-05 黎升祥 Conical roller spherical grinding machine with end face
RU2009100252A (en) * 2009-01-11 2010-07-20 Государственное образовательное учреждение высшего профессионального образования Самарский государственный технический университе METHOD FOR GRINDING SPHERICAL ENDS OF CONIC ROLLERS
CN203092266U (en) * 2013-02-01 2013-07-31 黎升祥 Grinding mechanism of spherical end face of bearing roller

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104889839A (en) * 2015-06-16 2015-09-09 安徽省百基机电科技有限公司 Bearing roller face grinding machine applicable to bearing rollers with different diameters
CN104889839B (en) * 2015-06-16 2017-09-26 盐城市三川轴承制造有限公司 A kind of bearing roller face grinding machine for adapting to different-diameter
CN107009264A (en) * 2017-05-03 2017-08-04 浙江通达磁业有限公司 The feeding and clamping mechanism of cylindrical magnetic core
CN107009264B (en) * 2017-05-03 2019-02-12 浙江通达磁业有限公司 The feeding and clamping mechanism of cylindrical magnetic core
CN113696010A (en) * 2021-09-03 2021-11-26 绍兴文理学院 Rotating disc type automatic feeding centerless grinding device and method thereof

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Application publication date: 20130515