CN203003642U - Double-row bearing raceway grinding machining equipment - Google Patents
Double-row bearing raceway grinding machining equipment Download PDFInfo
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- CN203003642U CN203003642U CN 201220678488 CN201220678488U CN203003642U CN 203003642 U CN203003642 U CN 203003642U CN 201220678488 CN201220678488 CN 201220678488 CN 201220678488 U CN201220678488 U CN 201220678488U CN 203003642 U CN203003642 U CN 203003642U
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- main shaft
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Abstract
The utility model relates to double-row bearing raceway grinding processing equipment which is provided with a rack, a main shaft rotating mechanism and a grinding mechanism, wherein the main shaft rotating mechanism and the grinding mechanism are installed on the rack, the main shaft rotating mechanism is provided with a main shaft and a workpiece holder, the grinding mechanism can conduct axial displacement relative to the main shaft along the rack, the grinding mechanism is provided with a grinding host and a displacement limiting mechanism, the grinding host is provided with a grinding wheel, a left support plate and a right support plate, the displacement limiting mechanism comprises a limiting block which is positioned between the left support plate and the right support plate, and the displacement limiting mechanism is further provided with a cushion block which abuts against the limiting block, and is arranged and can be withdrawn between the left support plate or the right support plate and the limiting block. According to the double-row bearing raceway grinding processing equipment, machining benchmarks are not required to be converted when different trenches are grinded, accuracy and production efficiency of products are improved.
Description
(1) technical field
The utility model relates to a kind of double-row bearing ball race grinding process equipment.
(2) background technology
Two ditches of two-row ball bearing Internal and external cycle (two raceway grooves) processing is the critical process during two-row ball bearing is produced.For guaranteeing the service behaviour of two-row ball bearing, between ball bearing Internal and external cycle two raceway grooves, the precision of distance (ditch centre-to-centre spacing) and raceway groove are very large on the impact of the properties of product after product trap and trap on the depth of parallelism of datum end face.
at present, prior art is when the raceway groove of processing two-row ball bearing Internal and external cycle, adopt as depicted in figs. 1 and 2 equipment 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 on frame, supporting plate is arranged on machine tool guideway, the 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 left supporting plate and the right supporting plate that is 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.As benchmark, withstand position by grinding host mobility to limited block with the end face (being denoted as A in figure) of bearing ring to be ground, 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 another end face (being denoted as B in figure) with bearing ring to be ground as benchmark, withstand the 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 twice location of A, B end face of bearing ring to be ground, process at twice the left and right raceway groove, indirectly guarantee the precision of distance between two raceway grooves by guaranteeing lasso overall width and every raceway groove to the distance between proximal end face.Following defective appears thus: 1, need change machining benchmark during the different raceway groove of grinding, can cause that wherein a raceway groove machining benchmark is inconsistent with the 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, efficient is low.
(3) summary of the invention
The purpose of this utility model is to provide a kind of double-row bearing ball race grinding process equipment, does not need to change machining benchmark when realizing the different raceway groove of grinding, improves the precision of product, has solved simultaneously workpiece clamping repeatedly, inefficient problem.
For achieving the above object, the utility model 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 on frame and has rotatable main shaft and a work piece holder, described grinding mechanism is arranged on 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, the cushion block of being close to limited block.
The utility model does not need to change machining benchmark when realizing the different raceway groove of grinding, improves the precision of product, has solved simultaneously the workpiece problem of clamping repeatedly, enhances productivity.
The utility model can improve by following scheme:
Described left supporting plate and right supporting plate respectively are 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, the emery wheel feeding distance is poor.
Have an oil cylinder on described frame, 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 eccentric fixture on frame.
(4) description of drawings
Fig. 1 is the schematic diagram when having the equipment processing first raceway groove of producing two-row ball bearing now;
Fig. 2 is the schematic diagram when having the equipment processing second raceway groove of producing two-row ball bearing now;
Fig. 3 is the schematic diagram of the utility model when producing the equipment processing first raceway groove of two-row ball bearing;
Fig. 4 is the schematic diagram of the utility model when producing the equipment processing second raceway groove of two-row ball bearing;
Fig. 5 is that eccentric fixture contacts with bearing ring to be ground and to its schematic diagram that provides support and locate.
(5) specific embodiment
To a kind of double-row bearing ball race grinding process equipment shown in Figure 5, comprise frame 1, spindle rotation mechanism 3 and grinding mechanism 2 as Fig. 3.
Described spindle rotation mechanism 3 is arranged on 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 energising magnetic conductions, 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 in upper the contact with bearing ring 8 to be ground of supporting base 33-1 it is provided support and locates.
Described grinding mechanism 2 is arranged on 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 respectively are provided with the alignment pin 42 of adjustable-length towards limited block 41 1 end faces, during emery wheel 23-1 feeding, alignment pin 42 on right supporting plate 22-2 withstands limited block 41, and when emery wheel 23-1 gave up the throne, the alignment pin 42 on left supporting plate 22-1 withstood limited block 41.
Described grinding mechanism 2 comprises that also 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 on described frame 1.Cushion block 51 adopts Hardmetal materials also through accurate grinding processing, guarantees the poor of emery wheel 23-1 feeding distance when described cushion block 51 width equal two raceway groove centre-to-centre spacing or distinguish grinding two raceway groove.
A kind of double-row bearing ball race grinding processing technology of the utility model 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 with 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 applying, emery wheel 23-1 is again during feeding, move to alignment pin 42 by grinding main frame 23 and withstand cushion block 51(Fig. 4), obtain to process second raceway groove after the second raceway groove supplying position.
4) emery wheel 23-1 gives up the throne, and completes processing.
Above-described embodiment is better embodiment of the present utility model; but embodiment of the present utility model is not limited to this; other are any does not deviate from change, the modification done under Spirit Essence of the present utility model and principle, substitute, combination, simplify; be the substitute mode of equivalence, within being included in protection domain of the present utility model.
Claims (5)
1. double-row bearing ball race grinding process equipment, comprise frame, spindle rotation mechanism and grinding mechanism, described spindle rotation mechanism is arranged on frame and has rotatable main shaft and a work piece holder, described grinding mechanism is arranged on 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, the cushion block of being close to limited block.
2. a kind of double-row bearing ball race grinding process equipment according to claim 1, it is characterized in that: described left supporting plate and right supporting plate respectively are 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: described cushion block width equals two raceway groove centre-to-centre spacing or emery wheel feeding distance poor during grinding two raceway groove respectively.
According to claim 1 to 3 arbitrary described a kind of double-row bearing ball race grinding process equipment, it is characterized in that: have an oil cylinder on described frame, 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 eccentric fixture on frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220678488 CN203003642U (en) | 2012-12-10 | 2012-12-10 | Double-row bearing raceway grinding machining equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220678488 CN203003642U (en) | 2012-12-10 | 2012-12-10 | Double-row bearing raceway grinding machining equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203003642U true CN203003642U (en) | 2013-06-19 |
Family
ID=48595274
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220678488 Withdrawn - After Issue CN203003642U (en) | 2012-12-10 | 2012-12-10 | Double-row bearing raceway grinding machining equipment |
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| CN (1) | CN203003642U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102990492A (en) * | 2012-12-10 | 2013-03-27 | 中山市盈科轴承制造有限公司 | Machining technology for grinding double bearing tracks and equipment thereof |
| CN106078085A (en) * | 2016-06-07 | 2016-11-09 | 嘉兴福可吉精密机械有限公司 | A kind of processing technology of hub bearing |
| CN106239325A (en) * | 2016-08-23 | 2016-12-21 | 朱林辉 | A kind of full-automatic machining robot of bearing surface |
| CN106271998A (en) * | 2016-08-23 | 2017-01-04 | 朱林辉 | A kind of self-stabilising bearing inner surface processing machine |
| CN106271996A (en) * | 2016-08-23 | 2017-01-04 | 朱林辉 | A kind of bearing internal external surface automatic processing device |
| CN109571253A (en) * | 2018-11-30 | 2019-04-05 | 瓦房店轴承集团国家轴承工程技术研究中心有限公司 | Bearing bore diameter positioning device and its inverted orientation method for grinding |
| CN109773621A (en) * | 2019-02-20 | 2019-05-21 | 嘉兴福可吉精密机械有限公司 | Grinding attachment and its grinding process of the wheel hub inner ring raceway with end face |
-
2012
- 2012-12-10 CN CN 201220678488 patent/CN203003642U/en not_active Withdrawn - After Issue
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102990492A (en) * | 2012-12-10 | 2013-03-27 | 中山市盈科轴承制造有限公司 | Machining technology for grinding double bearing tracks and equipment thereof |
| CN102990492B (en) * | 2012-12-10 | 2014-12-10 | 中山市盈科轴承制造有限公司 | Machining technology for grinding double bearing tracks and equipment thereof |
| CN106078085A (en) * | 2016-06-07 | 2016-11-09 | 嘉兴福可吉精密机械有限公司 | A kind of processing technology of hub bearing |
| CN106078085B (en) * | 2016-06-07 | 2018-02-16 | 嘉兴福可吉精密机械有限公司 | A kind of manufacture craft of hub bearing |
| CN106239325A (en) * | 2016-08-23 | 2016-12-21 | 朱林辉 | A kind of full-automatic machining robot of bearing surface |
| CN106271998A (en) * | 2016-08-23 | 2017-01-04 | 朱林辉 | A kind of self-stabilising bearing inner surface processing machine |
| CN106271996A (en) * | 2016-08-23 | 2017-01-04 | 朱林辉 | A kind of bearing internal external surface automatic processing device |
| CN106239325B (en) * | 2016-08-23 | 2018-05-15 | 哈工大机器人集团（广州）知识产权投资控股有限公司 | A kind of bearing surface full-automatic processing robot |
| CN106271998B (en) * | 2016-08-23 | 2018-08-28 | 哈工大机器人集团（广州）知识产权投资控股有限公司哈尔滨分公司 | A kind of self-stabilising bearing inner surface processing machine |
| CN109571253A (en) * | 2018-11-30 | 2019-04-05 | 瓦房店轴承集团国家轴承工程技术研究中心有限公司 | Bearing bore diameter positioning device and its inverted orientation method for grinding |
| CN109571253B (en) * | 2018-11-30 | 2024-04-12 | 瓦房店轴承集团国家轴承工程技术研究中心有限公司 | Bearing inner diameter positioning device and reverse positioning grinding method thereof |
| CN109773621A (en) * | 2019-02-20 | 2019-05-21 | 嘉兴福可吉精密机械有限公司 | Grinding attachment and its grinding process of the wheel hub inner ring raceway with end face |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130619 Effective date of abandoning: 20141210 |
|
| RGAV | Abandon patent right to avoid regrant |