CN104647208B - Feeding mechanism for improving abrasive machining of spherical fiducial surface of roller and use method of feeding mechanism - Google Patents
Feeding mechanism for improving abrasive machining of spherical fiducial surface of roller and use method of feeding mechanism Download PDFInfo
- Publication number
- CN104647208B CN104647208B CN201510111429.2A CN201510111429A CN104647208B CN 104647208 B CN104647208 B CN 104647208B CN 201510111429 A CN201510111429 A CN 201510111429A CN 104647208 B CN104647208 B CN 104647208B
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- China
- Prior art keywords
- feeding
- planker
- emery wheel
- block
- grinding
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
-
- 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
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/20—Drives or gearings; Equipment therefor relating to feed movement
-
- 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
- B24B11/00—Machines or devices designed for grinding spherical surfaces or parts of spherical surfaces on work; Accessories therefor
- B24B11/02—Machines or devices designed for grinding spherical surfaces or parts of spherical surfaces on work; Accessories therefor for grinding balls
- B24B11/04—Machines or devices designed for grinding spherical surfaces or parts of spherical surfaces on work; Accessories therefor for grinding balls involving grinding wheels
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Grinding Of Cylindrical And Plane Surfaces (AREA)
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
Abstract
The invention relates to abrasive machining of spherical fiducial surface of a bearing roller and in particular relates to a feeding mechanism for improving abrasive machining of spherical fiducial surface of the roller and a use method of the feeding mechanism. The feeding mechanism comprises an abrasion wheel, a feeding drag plate, an air cylinder and a control device, wherein the abrasion wheel is assembled on the feeding drag plate by a shaft seat and is driven by the air cylinder for axial feeding; the air cylinder and a servo motor are arranged on a drag plate support; the feeding drag plate and the drag plate support adopt axial sliding assembly; a working end of the air cylinder is connected with a feeding push block arranged on the feeding drag plate; a trigger block is positioned between the feeding push block and the abrasion wheel; the servo motor drives the trigger block assembled on a screw nut to move in axial direction through a screw rod; and the trigger block, the feeding push block and the control device are electrically connected. The user method comprises steps of feeding the abrasion wheel, contacting the workpiece with the abrasion wheel, grinding the workpiece, resetting the abrasion wheel and the like. By utilizing the feeding mechanism, the problems that ullage of the abrasion wheel can not be detected by the prior art and peeling loss compensation of the abrasion wheel can not be carried out are solved. Size scattering difference of roller processing can be effectively reduced, and the processing efficiency and the surface quality of roller can be improved.
Description
Technical field
The present invention relates to the grinding of bearing roller ball basal plane, particularly relate to improve entering of roller ball basal plane grinding
To mechanism and its using method.
Background technology
Bearing is the key components and partss of national major technologies and equipment, with the development of China's roller bearing Technology, special
It is not the progress of the mechanized equipment related to roller bearing recent years, the demand of high-quality roller bearing is grown with each passing day.Mesh
Bearing industry belongs to blank at home for the manufacture of the high end bearings such as front car, high ferro, wind-powered electricity generation, precision machine tool main shaft self-contained bearing,
Long-term dependence import.Because China's bearing industry development does not catch up with, strongly pull bearing import.As sent out in the big of high-speed railway
Zhan Zhong, the EMUs that more than 180 kilometers of speed per hour and all imports of roller bearing used for high-speed railway.And high-precision roller exists
The effect played in roller bearing is very large.At present, a lot of factory processing roller of China can produce the rolling of ii level in batches
Son and iii level roller, and the i level roller that p4 level and p2 level roller bearing need and 0 grade of roller need to pick out mostly, produce
Efficiency is very low.
Roller ball basal plane refers to the end face of bearing roller spherical datum, its shape and precision can to the roller end face of bearing with
The service life of the contact condition of inner ring large-flange, lubricating status and bearing produces impact.Using ball basal plane roller and lasso
Inclined flange structure, can improve the lubricating status between roller end face and lasso rib, be easy to the formation of lubricating oil film, reduce friction
With temperature rise, so that bearing is operated steadily, improve bearing capacity and the rotating speed of bearing.So the shape of roller ball basal plane and precision are to height
The indices of precision roller bearing are particularly significant.
Generally grinding wheel shaping mode and generation method grinding is adopted in the current industry at home of the processing of roller ball basal plane,
Because ball base dimension sr is larger, it is difficult to realize using grinding wheel shaping mode grinding, so ball base dimension sr is larger in industry
Shi Jiben adopts generation method grinding.This grinding method is more special, is to carry out by barrel shape abrasive wheel end face slope edge
Grinding, and generally have two grinding curved lines in surface of the work.Workpiece surface finish after generation method grinding compares
Height, but less efficient, the waste of emery wheel cannot be detected, so the compensation that emery wheel peels off loss can not be carried out simultaneously again.Plus
The size scattered error of work is larger, and amount of feeding control is bad, is easy to machining burn or " collision " again, damages emery wheel.
Or being achieved in that of the feed mechanism of other enterprises domestic adopts servomotor straight using hydraulic jack at present
Connect driving feeding planker mode to feed.Its structure is fixed for workpiece, and grinding wheel spindle is arranged on feed planker；Or emery wheel fixes,
Workpiece spindle is arranged on feed planker, no matter that mode, is all direct drive feeding.According to generation method Principle of Grinding and Cutting, it is intended to
Ask and meet workpiece and emery wheel centrage in a horizontal plane, and will intersect.Simultaneously each around the axis rotation of oneself, lead to
Cross emery wheel or workpiece feeding grinding produces ball basal plane.So generation method Principle of Grinding and Cutting will be met, corresponding structure is needed to complete
State work.
Content of the invention
It is an object of the invention to provide a kind of feed mechanism improving roller ball basal plane grinding and its using method,
Loss can be peeled off to emery wheel and carry out effective compensation.
The overall technology design of the present invention is:
Improve the feed mechanism of roller ball basal plane grinding, including emery wheel, feeding planker, cylinder and control device,
Emery wheel is assemblied on feeding planker and by its axial feed of air cylinder driven by axle bed；Cylinder and servomotor are arranged at planker and prop up
On frame, using the assembling that slides axially between feeding planker and planker support, the feeding of setting on the working end of cylinder and feeding planker
Pushing block connects, and triggering block is located between feeding pushing block and emery wheel, and servomotor drives the triggering block of assembling on screw by leading screw
Axially-movable, triggering block, feeding pushing block are electrically connected with control device.
Improve the using method of the feed mechanism of roller ball basal plane grinding, comprise the technical steps that:
A, emery wheel feeding: cylinder operation promotes feeding planker, drives emery wheel axial feed, and servomotor drives ball-screw
Rotate and pass through the screw on ball-screw and drive triggering block axially-movable, during feeding, triggering block contacts and synchronous with feeding pushing block
Action；
B, emery wheel contact workpiece: when emery wheel contact workpiece, feeding pushing block moment is static, and triggering block takes off with feeding pushing block
Open, the signal of telecommunication is closed；
C, workpiece grinding: after control device detects emery wheel and absorption surface, signal transmission to servomotor and is recorded
Position, according to this for basic point, servomotor drives the micro movement of triggering block and produces gap x with feeding pushing block, and feeding planker drives
Emery wheel feed, grinding workpiece end face, until feeding pushing block is contacted with triggering block, the signal of telecommunication is in the conduction state, processes
Become；
D: emery wheel resets: feeding planker retreats, and drives emery wheel, triggering block and feeding pushing block to retreat.
Gap x using artificially pre-setting, the waste (i.e. feed compensation amount) containing emery wheel after last time processing in x value,
Stone face is abrasive wheel end face, and after each grinding, emery wheel can come off, so triggering block and feeding pushing block disengage moment and upper one
Secondary existence time is poor, and in above-mentioned time difference, servomotor makes the distance of triggering block movement, as emery wheel waste.And feed
Amount includes the emery wheel waste sum after the last time grinding that the depth of cut of artificial setting and control device are detected, therefore this mistake
Journey can be described as flexible tracking grinding.
The particular technique design of the present invention also has:
It is preferred embodiment to be connected by rolling linear guide between feeding planker and planker support.
It is processed for ease of the roller higher to surface smoothness processing request, be preferably achieved in that, also include
One oscillating grinding device, passes sequentially through the horizontal adjustment planker of longitudinal arrangement, vibrates and drag in planker support lower surface in this device
Plate, base plate are connected with vibrating motor.
For ease of the setting of horizontal adjustment planker, preferred technical implementation way is, described horizontal adjustment planker following table
Face adopts cambered surface activity to assemble with vibration planker top.
Described vibration planker is connected with base plate by decussation rolling guide.
It is processed for ease of the roller higher to surface smoothness processing request, also include a step between step c, d
Rapid c1, this step is:
When the workpiece surface finish needing processing requires higher, Vibration on Start-up grinding attachment carries out surface to workpiece and adds
Work.
According to generation method Principle of Grinding and Cutting, ball basal plane sr=r/sin α
Wherein r is the mean radiuss of cylinder grinding wheel；α is the angle of cut of cylinder grinding wheel axis and roller axis.
Sr error is about ± 3%.Due to processing amplitude of oscillation maximum ± 0.5-1mm, the error amount of sr is affected very
Little.Introduce oscillating grinding technology, reduce surface roughness ra value, reduce process time, improve working (machining) efficiency.
Substantive distinguishing features acquired by the present invention and significant technological progress are:
1st, the present invention passes through to detect the peeling waste of emery wheel, such that it is able to carry out accurate compensation.Reduce roller processing
Size scattered error.After testing, after improvement, roller end face runout error brings up to≤0.001mm by≤0.005mm.
2nd, follow the tracks of grinding using flexible, can effectively prevent emery wheel striking work.
3rd, adopt oscillating grinding technology, improve working (machining) efficiency and surface quality.After testing, after improvement, roller end face is coarse
Degree ra value is reduced to≤0.02 by≤0.2.Each work pieces process time shortens 1/3 on the basis of original.
Brief description
Fig. 1 is the overall structure diagram of the present invention.
Fig. 2 is medium plain emery wheel processing feeding schematic diagram of the present invention.
Fig. 3 is that medium plain emery wheel of the present invention contacts workpiece and the schematic diagram carrying out grinding.
Fig. 4 is the schematic diagram that in the present invention, work pieces process completes.
Reference in accompanying drawing is as follows:
1st, emery wheel；2nd, feed planker；3rd, triggering block；4th, feed pushing block；5th, ball-screw；6th, cylinder；7th, servomotor；8、
Horizontal adjustment planker；9th, vibrate planker；10th, base plate；11st, vibrating motor.
Specific embodiment
Accompanying drawing gives embodiments of the invention, below in conjunction with accompanying drawing, embodiments of the invention is described further, but
Should not be construed as limitation of the invention, the content that protection scope of the present invention is recorded by claim is defined, any foundation is said
Equivalent technical elements done by bright book are replaced, all without departing from protection scope of the present invention.
The overall technology of the present embodiment constructs as shown, including emery wheel 1, feeding planker 2, cylinder 6 and control dress
Put, emery wheel 1 is assemblied on feeding planker 2 by axle bed and drives its axial feed by cylinder 6；Cylinder 6 and servomotor 7 are arranged
On planker support, feeding planker 2 and planker support between connect using by rolling linear guide, the working end of cylinder 6 with enter
Connect to the feeding pushing block 4 of setting on planker 2, triggering block 3 is located between feeding pushing block 4 and emery wheel 1, and servomotor 7 passes through silk
Thick stick 5 drives triggering block 3 axially-movable of assembling on screw, and triggering block 3, feeding pushing block 4 are electrically connected with control device.
Improve the using method of the feed mechanism of roller ball basal plane grinding, comprise the technical steps that:
A, emery wheel feeding: cylinder 6 Work Promote feeding planker 2, drive emery wheel 1 axial feed, servomotor 7 drives ball
The screw that leading screw 5 rotates and passes through on ball-screw 5 drives triggering block 3 axially-movable, triggering block 3 and feeding pushing block 4 during feeding
Contact synchronization action；
B, emery wheel contact workpiece: when emery wheel 1 contact workpiece, feeding pushing block 4 moment is static, and triggering block 3 is with feeding pushing block 4
Disengage, the signal of telecommunication is closed；
C, workpiece grinding: after control device detects emery wheel 1 and absorption surface, signal transmission to servomotor 7 and is remembered
Record position, according to this for basic point, servomotor 7 drives the micro movement of triggering block 3 and produces gap x with feeding pushing block 4, feeds planker
2 drive emery wheel 1 feeds, grinding workpiece end face, until feeding pushing block 4 is contacted with triggering block 3, the signal of telecommunication is on shape
State, machines；
D: emery wheel resets: feeding planker 2 retreats, and drives emery wheel 1, triggering block 3 and feeding pushing block 4 to retreat.
When the workpiece surface finish needing processing requires higher, Vibration on Start-up grinding attachment carries out surface to workpiece and adds
Work.
Gap x using artificially pre-setting, the waste (i.e. feed compensation amount) containing emery wheel after last time processing in x value,
Stone face is abrasive wheel end face, and after each grinding, emery wheel can come off, so triggering block and feeding pushing block disengage moment and upper one
Secondary existence time is poor, and in above-mentioned time difference, servomotor makes the distance of triggering block movement, as emery wheel waste.And feed
Amount includes the emery wheel waste sum after the last time grinding that the depth of cut of artificial setting and control device are detected, therefore this mistake
Journey can be described as flexible tracking grinding.
Also include an oscillating grinding device, the level passing sequentially through longitudinal arrangement in planker support lower surface in this device is adjusted
Whole planker 8, vibration planker 9, base plate 10 are connected with vibrating motor 11.
Described horizontal adjustment planker 8 lower surface adopts cambered surface rolling assembling with vibration planker 9 top.
Described vibration planker 9 is connected with base plate 10 by decussation rolling guide.
Claims (6)
1. improve the feed mechanism of roller ball basal plane grinding, including emery wheel (1), feeding planker (2), cylinder (6) and control
Device processed, emery wheel (1) is assemblied in feeding planker (2) by axle bed and above and by cylinder (6) drives its axial feed；It is characterized in that
Cylinder (6) and servomotor (7) are arranged on planker support, using the assembling that slides axially between feeding planker (2) and planker support,
The working end of cylinder (6) is connected with the feeding pushing block (4) of the upper setting of feeding planker (2), and triggering block (3) is located at feeding pushing block (4)
And emery wheel (1) between, feeding pushing block (4) has the projection that can contact with triggering block (3), and servomotor (7) passes through ball wire
Thick stick (5) drives triggering block (3) axially-movable of assembling on screw, and triggering block (3), feeding pushing block (4) are electrically connected with control device；
Also include an oscillating grinding device, in this device, pass sequentially through the horizontal adjustment planker of longitudinal arrangement in planker support lower surface
(8), vibration planker (9), base plate (10) are connected with vibrating motor (11).
2. the feed mechanism improving roller ball basal plane grinding according to claim 1 is it is characterised in that feed planker
(2) connected by rolling linear guide and between planker support.
3. the feed mechanism improving roller ball basal plane grinding according to claim 1 is it is characterised in that described water
Heibei provincial opera whole planker (8) lower surface adopts cambered surface activity to assemble with vibration planker (9) top.
4. the feed mechanism of the improvement roller ball basal plane grinding according to claim 1 or 3 is it is characterised in that described
Vibration planker (9) is connected with base plate (10) by decussation rolling guide.
5. the using method of feed mechanism improving roller ball basal plane grinding is it is characterised in that comprise the technical steps that:
A, emery wheel feeding: cylinder (6) Work Promote feeding planker (2), drive emery wheel (1) axial feed, servomotor (7) drives
The screw that ball-screw (5) rotates and passes through on ball-screw (5) drives triggering block (3) axially-movable, triggering block (3) during feeding
Contact and synchronization action with feeding pushing block (4)；
B, emery wheel contact workpiece: when emery wheel (1) contact workpiece, feeding pushing block (4) moment is static, and triggering block (3) pushes away with feeding
Block (4) disengages, and the signal of telecommunication is closed；
C, workpiece grinding: after control device detects emery wheel (1) and absorption surface, signal transmission to servomotor (7) and is remembered
Record position, according to this for basic point, servomotor (7) drives the micro movement of triggering block (3) and produces gap x with feeding pushing block (4), enters
Drive emery wheel (1) feed, grinding workpiece end face to planker (2), until feeding pushing block (4) is contacted with triggering block (3), telecommunications
Number in the conduction state, machine；
D: emery wheel resets: feeding planker (2) retreats, and drives emery wheel (1), triggering block (3) and feeding pushing block (4) to retreat.
6. the using method of the feed mechanism improving roller ball basal plane grinding according to claim 5, its feature exists
In also including step c1 between step c, d, this step is:
When the workpiece surface finish needing processing requires higher, Vibration on Start-up grinding attachment carries out Surface Machining to workpiece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510111429.2A CN104647208B (en) | 2015-03-13 | 2015-03-13 | Feeding mechanism for improving abrasive machining of spherical fiducial surface of roller and use method of feeding mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510111429.2A CN104647208B (en) | 2015-03-13 | 2015-03-13 | Feeding mechanism for improving abrasive machining of spherical fiducial surface of roller and use method of feeding mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104647208A CN104647208A (en) | 2015-05-27 |
| CN104647208B true CN104647208B (en) | 2017-02-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510111429.2A Expired - Fee Related CN104647208B (en) | 2015-03-13 | 2015-03-13 | Feeding mechanism for improving abrasive machining of spherical fiducial surface of roller and use method of feeding mechanism |
Country Status (1)
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| CN (1) | CN104647208B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105904325B (en) * | 2016-06-02 | 2017-10-17 | 新乡亿威数控设备有限公司 | Numerical control roller external diameter and ball basal plane compound grinding machine |
| CN106625241B (en) * | 2016-12-27 | 2018-08-03 | 北京市电加工研究所 | A kind of fast advance and retreat knife and constant pressure feed mechanism |
| CN110434714B (en) * | 2019-08-29 | 2024-03-15 | 安庆机床有限公司 | Steel ball grinding machine based on servo hydraulic system |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6080853U (en) * | 1983-11-07 | 1985-06-05 | トヨタ自動車株式会社 | Dress correction device for grinding machine |
| JPS63102861A (en) * | 1986-10-21 | 1988-05-07 | Hitachi Metals Ltd | Spherical grinding machine |
| DE4125654A1 (en) * | 1991-08-02 | 1993-02-04 | Siepmann & Co Gmbh & Co E | POT GRINDING MACHINE, ESPECIALLY FOR GRINDING SCISSOR PARTS |
| ITMI990645U1 (en) * | 1999-10-25 | 2001-04-25 | Bovone Internat Holding S A | ADVANCE DEVICE FOR MACHINES FOR GRINDING GLASS SLABS |
| CN203380771U (en) * | 2013-06-19 | 2014-01-08 | 镇江东艺机械有限公司 | Horizontal type honing machine feeding mechanism |
| CN204525177U (en) * | 2015-03-13 | 2015-08-05 | 河北富恒机械科技开发有限公司 | Improve the feed mechanism of roller ball basal plane grinding |
-
2015
- 2015-03-13 CN CN201510111429.2A patent/CN104647208B/en not_active Expired - Fee Related
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| Publication number | Publication date |
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| CN104647208A (en) | 2015-05-27 |
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Granted publication date: 20170201 |