CN102990492B - Machining technology for grinding double bearing tracks and equipment thereof - Google Patents
Machining technology for grinding double bearing tracks and equipment thereof Download PDFInfo
- Publication number
- CN102990492B CN102990492B CN201210529819.8A CN201210529819A CN102990492B CN 102990492 B CN102990492 B CN 102990492B CN 201210529819 A CN201210529819 A CN 201210529819A CN 102990492 B CN102990492 B CN 102990492B
- Authority
- CN
- China
- Prior art keywords
- grinding
- supporting plate
- raceway groove
- frame
- double
- 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.)
- Active
Links
Landscapes
- Grinding Of Cylindrical And Plane Surfaces (AREA)
Abstract
The invention discloses machining equipment for grinding double bearing tracks. The machining equipment comprises a frame, a spindle rotating mechanism and a grinding mechanism, wherein the spindle rotating mechanism is arranged on the frame, and comprises a spindle and a work-piece clamp; the grinding mechanism can carry out axial displacement oppositely to the spindle along the frame; the grinding mechanism comprises a grinding main machine and a displacement limiting mechanism; a grinding wheel is arranged on the grinding main machine; the grinding main machine comprises a left splint and a right splint; the displacement limiting mechanism comprises a limiting block arranged between the left splint and the right splint; and the displacement limiting mechanism also comprises a cushion block, which is arranged between the left splint or the right splint and the limiting block, can be evacuated from the part between the left splint or the right splint and the limiting block, and clings to the limiting block. The machining technology for grinding double bearing tracks is that the cushion block is placed at one side of the limiting block and clings to the limiting block when a second channel of a bearing ring to be ground is processed; a feeding position of the second channel is obtained, and then the second channel is processed after the grinding wheel is fed again. The equipment or technology disclosed by the invention does not need to transform machining benchmark when different channels are ground, and the accuracy and the production efficiency of the product are improved.
Description
(1) technical field
The present invention relates to a kind of double-row bearing ball race grinding processing technology and equipment thereof.
(2) background technology
Two ditches (two raceway grooves) processing of two-row ball bearing Internal and external cycle is the critical process during two-row ball bearing is produced.For ensureing the service behaviour of two-row ball bearing, the precision of distance between ball bearing Internal and external cycle two raceway grooves (ditch centre-to-centre spacing) and raceway groove are very large on the properties of product impact after product trap and trap on the depth of parallelism of datum end face.
At present, prior art is in the time of the raceway groove of processing two-row ball bearing Internal and external cycle, adopt equipment as depicted in figs. 1 and 2 to process, this equipment comprises frame, grinding mechanism and spindle rotation mechanism, described grinding mechanism has machine tool guideway, supporting plate, displacement position-limiting mechanism and grinding main frame, machine tool guideway and displacement position-limiting mechanism are arranged in frame, supporting plate is arranged on machine tool guideway, grinding main frame is fixed on supporting plate, described grinding main frame has the emery wheel of a grinding work piece, described spindle rotation mechanism has rotatable main shaft and a work piece holder, described supporting plate is divided into the left supporting plate and the right supporting plate that are separately fixed at two ends, left and right, grinding main frame bottom, described displacement position-limiting mechanism is a limited block between described left supporting plate and right supporting plate.Process is as follows: 1) first adjust work piece holder, and bearing ring to be ground is arranged on work piece holder; 2) first raceway groove of grinding.Using the end face (being denoted as A in figure) of bearing ring to be ground as benchmark, withstand position by grinding host mobility to limited block, obtain the first raceway groove supplying position, process first raceway groove.3) second raceway groove of grinding.After emery wheel is given up the throne, bearing ring to be ground is changed after veer to another end face (being denoted as B in figure) using bearing ring to be ground as benchmark, withstand position by grinding host mobility to limited block, obtain the second raceway groove supplying position, process second raceway groove.4) emery wheel is given up the throne, and completes processing.
By the said equipment and explained hereafter double-row bearing, adopt A, twice location of B end face of bearing ring to be ground, process at twice left and right raceway groove, by ensureing that lasso overall width and every raceway groove ensure the precision of distance between two raceway grooves indirectly to the distance between proximal end face.There is thus following defect: 1, need change machining benchmark when the different raceway groove of grinding, can cause that wherein a raceway groove machining benchmark is inconsistent with bearing reference for installation, have the cumulative errors such as size and the depth of parallelism, affect the trap performance of product afterwards.2, workpiece clamping repeatedly, efficiency is low.
(3) summary of the invention
The object of the present invention is to provide a kind of double-row bearing ball race grinding process equipment, while realizing the different raceway groove of grinding, do not need to change machining benchmark, improve the precision of product, solved workpiece clamping repeatedly, inefficient problem simultaneously.
For achieving the above object, the present invention is by the following technical solutions:
A kind of double-row bearing ball race grinding process equipment, comprise frame, spindle rotation mechanism and grinding mechanism, described spindle rotation mechanism is arranged in frame and has rotatable main shaft and a work piece holder, described grinding mechanism is arranged in frame and can does axial displacement along the relatively described main shaft of frame, described grinding mechanism has grinding main frame and displacement position-limiting mechanism, described grinding main frame has the emery wheel of a grinding work piece, two ends, left and right, grinding main frame bottom have left supporting plate and right supporting plate, described displacement position-limiting mechanism comprises a limited block between described left supporting plate and right supporting plate, it is characterized in that: described displacement position-limiting mechanism also comprises one between left supporting plate or right supporting plate and limited block and can be from withdrawing therebetween, be close to the cushion block of limited block.
The present invention does not need to change machining benchmark while realizing the different raceway groove of grinding, improves the precision of product, has solved the workpiece problem of clamping repeatedly simultaneously, enhances productivity.
The present invention can improve by following scheme:
Described left supporting plate and right supporting plate are respectively provided with the alignment pin of adjustable-length towards limited block one end face.
When described cushion block width equals two raceway groove centre-to-centre spacing or difference grinding two raceway groove, emery wheel feeding distance is poor.
In described frame, there is an oil cylinder, described cushion block is installed on the impeller-hub of oil cylinder.
Described work piece holder comprises and is connected in the electric magnetic no-core clamp on described main shaft and is installed on the eccentric fixture in frame.
Another object of the present invention is to provide a kind of double-row bearing ball race grinding processing technology, comprise the steps: 1) adjust described work piece holder, and bearing ring to be ground is arranged on work piece holder; 2) grinding Article 1 raceway groove, above-mentioned limited block is withdrawn between described left supporting plate or right supporting plate and limited block, using an end face of bearing ring to be ground as benchmark, by grinding host mobility to limited position of withstanding, obtain the first raceway groove supplying position, process first raceway groove; 3) second raceway groove of grinding; 4) emery wheel is given up the throne, complete processing, it is characterized in that: in the time of second raceway groove of step 3) grinding, above-mentioned cushion block in emery wheel is given up the throne process, be placed in limited block right side and with its laminating, emery wheel is again when feeding, to the position of being withstood by cushion block, after acquisition the second raceway groove supplying position, process second raceway groove by grinding host mobility.
The present invention's technique does not need to change machining benchmark while realizing the different raceway groove of grinding, improves the precision of product, has solved the workpiece problem of clamping repeatedly simultaneously, enhances productivity.
(4) brief description of the drawings
Schematic diagram when Fig. 1 is the equipment processing first raceway groove of existing production two-row ball bearing;
Schematic diagram when Fig. 2 is the equipment processing second raceway groove of existing production two-row ball bearing;
Fig. 3 is the schematic diagram of the present invention while producing the equipment processing first raceway groove of two-row ball bearing;
Fig. 4 is the schematic diagram of the present invention while producing the equipment processing second raceway groove of two-row ball bearing;
Fig. 5 is the schematic diagram that eccentric fixture contacts and it is provided support and is located with bearing ring to be ground.
(5) detailed description of the invention
A kind of double-row bearing ball race grinding process equipment as shown in Figures 3 to 5, comprises frame 1, spindle rotation mechanism 3 and grinding mechanism 2.
Described spindle rotation mechanism 3 is arranged in frame 1 and has rotatable main shaft 31 and a work piece holder, and this work piece holder comprises electric magnetic no-core clamp 32 and eccentric fixture 33, and electric magnetic no-core clamp 32 is connected on described main shaft 31 and with main shaft 31 rotations.Electric magnetic no-core clamp 32 magnetic conduction of switching on, bearing ring 8 to be ground can be adsorbed on the end face of electric magnetic no-core clamp 31 slightly prejudicially.Be provided with a supporting base 33-1 in described frame 1, eccentric fixture 33 is fixed on supporting base 33-1 and above contacts it is provided support and is located with bearing ring 8 to be ground.
Described grinding mechanism 2 is arranged in frame 1 and can does axial displacement along the relatively described main shaft 31 of frame 1, described grinding mechanism 2 has grinding main frame 23 and displacement position-limiting mechanism, described grinding main frame 23 has the emery wheel 23-1 of a grinding work piece, grinding main frame 23 two ends, left and right, bottom have left supporting plate 22-1 and right supporting plate 22-2, and described displacement position-limiting mechanism comprises a limited block 41 between described left supporting plate 22-1 and right supporting plate 22-2.Described left supporting plate 22-1 and right supporting plate 22-2 are respectively provided with the alignment pin 42 of adjustable-length towards limited block 41 1 end faces, when emery wheel 23-1 feeding, alignment pin 42 on right supporting plate 22-2 withstands limited block 41, and when emery wheel 23-1 gives up the throne, the alignment pin 42 on left supporting plate 22-1 withstands limited block 41.
Described grinding mechanism 2 also comprises that one also can be from the cushion block 51 of withdrawing, be close to limited block 41 between left supporting plate 22-1 or right supporting plate 22-2 and limited block 41 therebetween, and in this enforcement, cushion block 51 is between right supporting plate 22-2 and limited block 41.This cushion block 51 is arranged on the impeller-hub 52 of an oil cylinder 5, and described oil cylinder 5 is arranged in described frame 1.Cushion block 51 adopts Hardmetal materials and through accurate grinding processing, ensures that described cushion block 51 width equal two raceway groove centre-to-centre spacing or emery wheel 23-1 feeding distance poor when grinding two raceway groove respectively.
A kind of double-row bearing ball race grinding processing technology of the present invention, comprises the steps:
1) adjust work piece holder, and bearing ring 8 to be ground is arranged on work piece holder.
2) first raceway groove of grinding.Above-mentioned limited block 41 is withdrawn between described right supporting plate 22-2 and limited block 41, and using an end face of bearing ring 8 to be ground as benchmark, move to alignment pin 42 by grinding main frame 23 and withstand limited block 41(Fig. 3), obtain the first raceway groove supplying position, process first raceway groove.
3) second raceway groove of grinding.Above-mentioned cushion block 51 in emery wheel 23-1 gives up the throne process with the impeller-hub 52 of oil cylinder 5 extend out to limited block 41 wherein a side and with its laminating, emery wheel 23-1 is again when feeding, move to alignment pin 42 by grinding main frame 23 and withstand cushion block 51(Fig. 4), after acquisition the second raceway groove supplying position, process second raceway groove.
4) emery wheel 23-1 gives up the throne, and completes processing.
Above-described embodiment is preferred embodiments of the present invention; but embodiments of the present invention are not limited to this; other are any does not deviate from change, the modification done under Spirit Essence of the present invention and principle, substitute, combination, simplify; be equivalent substitute mode, within being included in protection scope of the present invention.
Claims (6)
1. a double-row bearing ball race grinding process equipment, comprise frame, spindle rotation mechanism and grinding mechanism, described spindle rotation mechanism is arranged in frame and has rotatable main shaft and a work piece holder, described grinding mechanism is arranged in frame and can does axial displacement along the relatively described main shaft of frame, described grinding mechanism has grinding main frame and displacement position-limiting mechanism, described grinding main frame has the emery wheel of a grinding work piece, two ends, left and right, grinding main frame bottom have left supporting plate and right supporting plate, described displacement position-limiting mechanism comprises a limited block between described left supporting plate and right supporting plate, it is characterized in that: described displacement position-limiting mechanism also comprises one between left supporting plate or right supporting plate and limited block and can be from withdrawing therebetween, be close to the cushion block of limited block.
2. a kind of double-row bearing ball race grinding process equipment according to claim 1, is characterized in that: described left supporting plate and right supporting plate are respectively provided with the alignment pin of adjustable-length towards limited block one end face.
3. a kind of double-row bearing ball race grinding process equipment according to claim 1, is characterized in that: when described cushion block width equals two raceway groove centre-to-centre spacing or difference grinding two raceway groove, emery wheel feeding distance is poor.
4. according to the arbitrary described a kind of double-row bearing ball race grinding process equipment of claims 1 to 3, it is characterized in that: in described frame, there is an oil cylinder, described cushion block is installed on the impeller-hub of oil cylinder.
5. a kind of double-row bearing ball race grinding process equipment according to claim 4, is characterized in that: described work piece holder comprises and is connected in the electric magnetic no-core clamp on described main shaft and is installed on the eccentric fixture in frame.
6. a kind of double-row bearing ball race grinding process equipment described in application rights requirement 1 to 5 any one carries out a processing technology for double-row bearing ball race grinding, comprises the steps:
1) adjust described work piece holder, and bearing ring to be ground is arranged on work piece holder; 2) grinding Article 1 raceway groove, above-mentioned cushion block is withdrawn between described left supporting plate or right supporting plate and limited block, using an end face of bearing ring to be ground as benchmark, by grinding host mobility to limited position of withstanding, obtain the first raceway groove supplying position, process first raceway groove; 3) second raceway groove of grinding; 4) emery wheel is given up the throne, and completes processing, it is characterized in that:
In the time of second raceway groove of step 3) grinding, above-mentioned cushion block in emery wheel is given up the throne process, be placed in limited block right side and with its laminating, emery wheel is again when feeding, to the position of being withstood by cushion block, processes second raceway groove after obtaining the second raceway groove supplying position by grinding host mobility.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210529819.8A CN102990492B (en) | 2012-12-10 | 2012-12-10 | Machining technology for grinding double bearing tracks and equipment thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210529819.8A CN102990492B (en) | 2012-12-10 | 2012-12-10 | Machining technology for grinding double bearing tracks and equipment thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102990492A CN102990492A (en) | 2013-03-27 |
| CN102990492B true CN102990492B (en) | 2014-12-10 |
Family
ID=47919888
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210529819.8A Active CN102990492B (en) | 2012-12-10 | 2012-12-10 | Machining technology for grinding double bearing tracks and equipment thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102990492B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105221565B (en) * | 2015-11-05 | 2018-07-27 | 江苏万达特种轴承有限公司 | The double-row-ball roller bearing and its channel processing method and device of a kind of six point contact |
| CN106863073A (en) * | 2016-12-29 | 2017-06-20 | 常熟市常轴轴承有限公司 | The ball race grinding technique of high accuracy fork truck bearing |
| CN110735860B (en) * | 2019-10-23 | 2021-05-14 | 张家港Aaa精密制造股份有限公司 | Bearing raceway processing device and processing method, outer ring, inner ring and high-load bearing |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2078670U (en) * | 1990-08-22 | 1991-06-12 | 国营海红轴承厂 | Grinder for outer ring double channel of double race ball bearing |
| CN1535793A (en) * | 2003-04-09 | 2004-10-13 | 上海莱必泰机械发展有限公司 | One-step fixture-mounted grinding process of double rolling groove of bearing outer ring for railway wagon |
| CN201006587Y (en) * | 2006-09-15 | 2008-01-16 | 上海联合滚动轴承有限公司 | Bearing outer ring circular cone double rollaway nests interior surface lapping machine |
| CN201324992Y (en) * | 2008-10-16 | 2009-10-14 | 濮阳贝英数控机械设备有限公司 | Double-raceway one-time grinding number control machine tool for high-speed railway bearing outer ring |
| CN203003642U (en) * | 2012-12-10 | 2013-06-19 | 中山市盈科轴承制造有限公司 | Double-row bearing raceway grinding machining equipment |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5871062A (en) * | 1981-10-24 | 1983-04-27 | Ntn Toyo Bearing Co Ltd | Machining method of inner ring in tapered roller bearing |
| JP4211718B2 (en) * | 2004-09-29 | 2009-01-21 | 株式会社ジェイテクト | Machining method of raceway surface of outer ring of double row angular contact ball bearing |
| JP2009248246A (en) * | 2008-04-07 | 2009-10-29 | Nsk Ltd | Manufacturing method of bearing device |
-
2012
- 2012-12-10 CN CN201210529819.8A patent/CN102990492B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2078670U (en) * | 1990-08-22 | 1991-06-12 | 国营海红轴承厂 | Grinder for outer ring double channel of double race ball bearing |
| CN1535793A (en) * | 2003-04-09 | 2004-10-13 | 上海莱必泰机械发展有限公司 | One-step fixture-mounted grinding process of double rolling groove of bearing outer ring for railway wagon |
| CN201006587Y (en) * | 2006-09-15 | 2008-01-16 | 上海联合滚动轴承有限公司 | Bearing outer ring circular cone double rollaway nests interior surface lapping machine |
| CN201324992Y (en) * | 2008-10-16 | 2009-10-14 | 濮阳贝英数控机械设备有限公司 | Double-raceway one-time grinding number control machine tool for high-speed railway bearing outer ring |
| CN203003642U (en) * | 2012-12-10 | 2013-06-19 | 中山市盈科轴承制造有限公司 | Double-row bearing raceway grinding machining equipment |
Non-Patent Citations (2)
| Title |
|---|
| JP特开2006-95629A 2006.04.13 * |
| JP特开2009-248246A 2009.10.29 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102990492A (en) | 2013-03-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203003642U (en) | Double-row bearing raceway grinding machining equipment | |
| CN103302575B (en) | Third generation automotive hub ball bearing outward flange method for grinding | |
| CN102990492B (en) | Machining technology for grinding double bearing tracks and equipment thereof | |
| CN104385088A (en) | High-precision fast grinding device of guide rail roller way | |
| CN102921983A (en) | Internal expanding type clamp device | |
| CN102896511A (en) | Clamp capable of adjusting angle in two directions for machine tool | |
| CN202137599U (en) | Fixture for cylindrical workpieces | |
| CN203636147U (en) | Dip angle cutting clamp of wire-cut electric discharge machine tool | |
| CN103028907A (en) | Technology for processing end cap | |
| CN103302576B (en) | Third generation automotive hub ball bearing inner flange method for grinding | |
| CN203316759U (en) | High-precision self-centering chuck | |
| CN203343815U (en) | Secondary clamping positioning adjustment device | |
| CN206047687U (en) | A kind of pipe end internal clamp swivel feeding device | |
| CN210588496U (en) | Tool clamp for grinding end face of cylindrical roller | |
| CN204248032U (en) | A kind of piston head non-static fields slant hole processing device | |
| CN104400471B (en) | Pincers tooth box body dovetail groove milling fixture and processing method thereof | |
| CN204843769U (en) | Cam grinding machine | |
| CN102825283A (en) | Porous part boring method and equipment thereof | |
| CN104289780B (en) | Process the linear cutting clamp of circumference narrow slot | |
| CN104438505A (en) | Multi-functional elbow device | |
| CN104385016A (en) | 8-shaped side plate outer circle turning fixture | |
| CN204235236U (en) | 8-shaped side plate cylindrical turning fixture | |
| CN202742061U (en) | Automatic drilling and milling clamp | |
| CN202894387U (en) | Inner-expansion clamping device | |
| CN206373624U (en) | A kind of zero point clamping device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |