CN109434581A - Centerless external cylindrical grinds floating bracket and peripheral milling bracket component and peripheral milling method - Google Patents
Centerless external cylindrical grinds floating bracket and peripheral milling bracket component and peripheral milling method Download PDFInfo
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- CN109434581A CN109434581A CN201811591144.3A CN201811591144A CN109434581A CN 109434581 A CN109434581 A CN 109434581A CN 201811591144 A CN201811591144 A CN 201811591144A CN 109434581 A CN109434581 A CN 109434581A
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- Prior art keywords
- floating
- bracket
- main
- fixed link
- external cylindrical
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- 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.)
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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
- B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
- B24B5/18—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor involving centreless means for supporting, guiding, floating or rotating work
- B24B5/22—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor involving centreless means for supporting, guiding, floating or rotating work for grinding cylindrical surfaces, e.g. on bolts
-
- 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
- B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
- B24B5/18—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor involving centreless means for supporting, guiding, floating or rotating work
- B24B5/30—Regulating-wheels; Equipment therefor
-
- 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
- B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
- B24B5/18—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor involving centreless means for supporting, guiding, floating or rotating work
- B24B5/307—Means for supporting work
-
- 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
- B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
- B24B5/35—Accessories
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Grinding Of Cylindrical And Plane Surfaces (AREA)
Abstract
The present invention relates to a kind of tooling of grinding, especially centerless external cylindricals to grind floating bracket, including floating alloy fulcrum；It further include floating fixed link and main floating lever；The center of the main floating lever is hinged on the top of floating fixed link, and the both ends of the main floating lever are symmetrically equipped with floating alloy fulcrum.Peripheral milling supporting structure provided by the invention is simple, easy to use, process is not necessarily to adjustment, shortens process time, improves processing efficiency, machining accuracy height.
Description
Technical field
The present invention relates to a kind of toolings of grinding, especially centerless external cylindrical mill floating bracket and peripheral milling bracket component
With peripheral milling method.
Background technique
When the circularity of round piece and more demanding cylindricity, need to grind round piece grinding machine cylindrical lapping, such as
The processing of bearing.It is heat-treated after bearing outer ring preliminary working, heat treatment rear axle bearing outer-ring can deform, therefore at heat
Blowout patche outer ring after reason needs to be ground with centerless grinding machine.The deformation of bearing mainly forms multiple peripheries for being higher by bearing outer ring
High point and ovalisation, i.e. cylindricity and circularity be undesirable.Two end faces are first processed before grinding, it then will be outside bearing
Circle is placed on centerless grinding machine, and blowout patche outer ring is sucked the magnetic-disc on centerless grinding machine main shaft, is equipped with below bearing outer ring
Two fulcrums, two fulcrums are located at the two sides at the center of bearing outer ring, and grinding wheel is located at the side of bearing outer ring, two fulcrums
It is used to support bearing outer ring, bearing outer ring can be free to slide on magnetic-disc.When the high point and branch on blowout patche outer ring when grinding
Point contact, bearing outer ring shift, and grinding wheel grinds off offset, and repeatedly the high point of the outer ring of blowout patche disappears after grinding, bearing
The circularity of outer circle meets the requirements.It needs to detect blowout patche outer ring after the completion of circularity, whether observation bearing is oval, if bearing
Be it is elliptical, need to adjust the position of two fulcrums, then regrind bearing periphery, until becoming round for bearing.Process
Middle needs repeatedly adjust the position of fulcrum, cause processing efficiency poor, the process-cycle is longer.
In the prior art in order to improve processing efficiency, a variety of improvement have been carried out to fulcrum and fixed pivot mode, but simultaneously
Fail to effectively improve processing efficiency.
Summary of the invention
To solve the above problems, the present invention provides a kind of outer circle that can be reduced fulcrum adjustment number, shorten process time
Bracket is ground, the specific technical proposal is:
Centerless external cylindrical grinds floating bracket, including floating alloy fulcrum；It further include floating fixed link and main floating lever；The master
The center of floating lever is hinged on the top of floating fixed link, and the both ends of the main floating lever are symmetrically equipped with floating alloy fulcrum.
By using above-mentioned technical proposal, floating alloy fulcrum wearability is good, long service life.
For floating fixed link on being mounted on centerless grinding machine, the floating alloy fulcrum at main floating lever both ends is pressed in the outer circle of bearing
Face, since main floating lever is hinged in floating fixed link, the floating alloy fulcrum at main floating lever both ends can freely with
The periphery of bearing matches, and realizes the positioning of bearing outer ring.Centerless external cylindrical mill floating bracket realizes two o'clock support, mounting and adjusting
It is more convenient, it can effectively shorten adjustment time, improve processing efficiency.
It preferably, further include the end that main floating lever is hinged on from the center of floating lever from floating lever, and from floating
Bar is symmetrically positioned in the both ends of main floating lever, and floating alloy fulcrum is symmetrically housed from the both ends of floating lever.
By using above-mentioned technical proposal, increase the quantity of floating alloy fulcrum from floating lever by increasing, due to from
Floating lever and main floating lever be be movably hinged, therefore four floating alloy fulcrums can freely with the outer circle face paste of bearing
It closes, is able to achieve good pressuring action the deformation of bearing outer ring is larger or high point is more.Due to being provided with multiple floatings
Alloy fulcrum improves the offset number of bearing outer ring during rotation, i.e., each high point is in one circle of bearing outer ring rotation
Shi Douhui has the chance of four times with floating alloy branch point contact, moves so as to cause the every rotation of bearing outer ring and deviates four times once enclosing,
Offset is in contact with grinding wheel every time, i.e. bearing outer ring per revolution, and four grindings at least occur for grinding wheel, is greatly improved
Grinding times, to improve grinding efficiency.Since bearing outer ring often has multiple high points, the every rotation of bearing outer ring
More grinding can occur for one circle, substantially increase processing efficiency.Due to being multiple floating alloy fulcrum positioning bearing outer rings,
And multiple floating alloy fulcrums can be freely rotated, therefore bearing top circle can be made to repair circularity during the grinding process, reduce
Ovality.
Preferably, the top of the floating fixed link is equipped with main rotary shaft, and the main rotary shaft and the rotation of main floating lever connect
It connects；The both ends of the main floating lever are respectively arranged with from rotation axis, described to be rotatablely connected from rotation axis with from floating lever.
By using above-mentioned technical proposal, main floating lever is realized by main rotary shaft and from rotation axis and from floating lever
Rotation, to make simple and reliable for structure.
Preferably, described from floating lever includes floating platen, and the floating platen is fixed on the two sides of floating alloy fulcrum；
The end activity of the main floating lever is located between two floating platens, and floating platen is rotatablely connected with from rotation axis.
By using above-mentioned technical proposal, so that structure is added list using floating platen, process and easy to assembly.
Preferably, fixing seat is housed, the fixed seating is described solid in the both ends of floating platen between the floating platen
Floating alloy fulcrum is housed in reservation.
By using above-mentioned technical proposal, fixing seat can be convenient more floating alloy fulcrum.
Preferably, floating trough is equipped at the top of the floating fixed link, the floating trough is provided with main rotary shaft, and the master is floating
Lever activity is located in floating trough, and is rotatablely connected with main rotary shaft.
By using above-mentioned technical proposal, floating trough facilitates the axially position of main floating lever.
Peripheral milling bracket component, including centerless external cylindrical mill floating bracket and positioning fixed link, the top of the positioning fixed link
Portion is equipped with positioning alloy fulcrum；The centerless external cylindrical mill floating bracket and positioning fixed link are located at peripheral milling main-shaft axis
Two sides, and fixed link and grinding wheel are positioned in the same side.
By using above-mentioned technical proposal, the two sides of round piece be respectively equipped with peripheral milling bracket and positioning fixed link into
Row support round piece, stablizes the position of round piece, is not susceptible to biggish offset, while centerless external cylindrical mill being facilitated to float
Round piece is pressed to grinding wheel by bracket, guarantees processing efficiency and processing quality.
Preferably, the centerless external cylindrical mill floating bracket and the angle positioned between fixed link are 90-160 degree.
Peripheral milling method, includes the following steps, centerless external cylindrical mill floating bracket and positioning fixed link are installed to centreless grinding
On bed；Round piece is placed on the magnetic-disc of centerless grinding machine, and the periphery of round piece is pressed respectively against centerless external cylindrical mill
On the alloy fulcrum of floating bracket and the alloy fulcrum of positioning fixed link, centerless external cylindrical grinds floating bracket and positioning fixed link difference
Positioned at the two sides of round piece axis, the positioning fixed link and grinding wheel are in the same side of round piece.
Preferably, the axis of the grinding wheel is above the axis of round piece, and is not higher than 1mm.
Compared with prior art the invention has the following advantages:
When peripheral milling supporting structure provided by the invention is simple, easy to use, process is not necessarily to adjust, shorten processing
Between, to improve processing efficiency, machining accuracy high.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of centerless external cylindrical mill floating bracket；
Fig. 2 is the top view of centerless external cylindrical mill floating bracket；
Fig. 3 is the structural schematic diagram that centerless external cylindrical mill floating bracket is mounted on centerless grinding machine.
Specific embodiment
Now in conjunction with attached drawing, the invention will be further described.
As shown in Figure 1 to Figure 3, centerless external cylindrical grinds floating bracket, including floating alloy fulcrum 40；It further include floating fixed link
30, main floating lever 20 and from floating lever 10；The center of main floating lever 20 is hinged on the top of floating fixed link 30；From floating lever 10
Both ends floating alloy fulcrum 40 is symmetrically housed, be hinged on the end of main floating lever 20 from the center of floating lever 10, and from floating
Bar 10 is symmetrically positioned in the both ends of main floating lever 20.
Specifically, being equipped with floating trough 31 at the top of floating fixed link 30, floating trough 31 is provided with main rotary shaft 21, main floating lever
20 activities are located in floating trough 31, and are rotatablely connected with main rotary shaft 21.Floating trough 31 facilitates the axially position of main floating lever 20.
It include floating platen from floating lever 10, floating platen is fixed on the two sides of floating alloy fulcrum 40；Main floating lever 20
End activity be located between two floating platens, the end of main floating lever 20 is equipped with from rotation axis 11, floating platen with from turning
Moving axis 11 is rotatablely connected.So that structure is added list using floating platen, processes and easy to assembly.
Between floating platen be equipped with fixing seat, fixed seating on the both ends of floating platen, fixing seat be equipped with floating alloy
Fulcrum 40.Fixing seat can be convenient more floating alloy fulcrum 40.Floating alloy fulcrum 40 can also be welded in fixing seat.
40 wearability of floating alloy fulcrum is good, long service life.
Floating fixed link 30 increases the quantity of floating alloy fulcrum 40 from floating lever 10 on being mounted on centerless grinding machine,
Due to being to be movably hinged from floating lever 10 and main floating lever 20, four floating alloy fulcrums 40 can freely and bearing
The periphery of outer ring 70 is bonded, and is able to achieve good pressuring action the deformation of bearing outer ring 70 is larger or high point is more,
Make to install simple and convenient.Due to being provided with multiple floating alloy fulcrums 40, during rotation inclined of bearing outer ring 70 is improved
Number is moved, i.e. each high point there are four machines contacted with floating alloy fulcrum 40 in one circle Shi Douhui of the rotation of bearing outer ring 70
Meeting moves so as to cause the every rotation of bearing outer ring 70 once enclosing offset four times, and offset is ground with grinding wheel 80 every time, i.e. bearing
70 per revolution of outer ring, grinding wheel 80 at least occur four grindings, greatly improve grinding times, to improve grinding effect
Rate.Since bearing outer ring 70 often has multiple high points, more multiple mill can occur for 70 per revolution of bearing outer ring
It cuts, substantially increases processing efficiency, while can be improved machining accuracy.Due to bearing outer ring 70 and multiple floating alloy fulcrums 40
It contacts while realizing elliptical finishing, to meet circularity requirement, i.e., the oval high point formed during the grinding process also can be real
One circle of now rotation is repeatedly ground, and without adjusting the position of floating alloy fulcrum 40 in process of lapping, is greatly improved and is added
Work efficiency rate.
As shown in Figure 1 to Figure 3, peripheral milling bracket component, including centerless external cylindrical mill floating bracket and positioning fixed link 50, it is fixed
The top of position fixed link 50 is equipped with positioning alloy fulcrum 60；Centerless external cylindrical mill floating bracket and positioning fixed link 50 are located at outer
The two sides of circle mill main-shaft axis, and fixed link 50 and grinding wheel 80 are positioned in the same side.Centerless external cylindrical grinds floating bracket and positioning is solid
Included angle A between fixed pole 50 is 90-160 degree.
Peripheral milling bracket is respectively equipped in the two sides of bearing outer ring 70 and positioning fixed link 50 is supported bearing outer ring 70,
Stablize the position of bearing outer ring 70, be not susceptible to biggish offset, while facilitating centerless external cylindrical mill floating bracket will be outside bearing
Circle 70 presses to grinding wheel 80, guarantees processing efficiency and processing quality.
Peripheral milling method, includes the following steps, centerless external cylindrical mill floating bracket and positioning fixed link 50 are installed to and are not in the mood for
On grinding machine；Bearing outer ring 70 is placed on the magnetic-disc of centerless grinding machine, and the periphery of bearing outer ring 70 is pressed respectively against and is not in the mood for
On the alloy fulcrum of peripheral milling floating bracket and the alloy fulcrum of positioning fixed link 50, centerless external cylindrical grinds floating bracket and positioning is solid
Fixed pole 50 is located at the two sides of 70 axis of bearing outer ring, and positioning fixed link 50 and grinding wheel 80 are in the same side of bearing outer ring 70；
The axis of grinding wheel 80 is not higher than 1mm above the axis of bearing outer ring 70.
Adjustment centerless external cylindrical mill floating bracket is not needed after grinding floating bracket using centerless external cylindrical and positions fixed link 50
Position shortens process time, and can be achieved at the same time the grinding of circularity and cylindricity, greatly improves efficiency.
Original processing method is by an internal diameter 450mm, the time required for the blowout patche outer ring grinding of outer diameter 500mm is qualified
It is 30 minutes or more, and uses centerless external cylindrical mill floating bracket that can will shorten to the time 15 minutes or so.Original processing side
The cylindricity of method processing is 0.03mm, and cylindricity after centerless external cylindrical mill floating bracket is used to reach 0.015mm, is not only increased
Processing efficiency shortens process time, also improves machining accuracy.
Claims (10)
1. centerless external cylindrical grinds floating bracket, including floating alloy fulcrum；It is characterized in that, further including floating fixed link and main floating
Bar；The center of the main floating lever is hinged on the top of floating fixed link, and the both ends of the main floating lever are symmetrically equipped with floating and close
Golden fulcrum.
2. centerless external cylindrical according to claim 1 grinds floating bracket, which is characterized in that further include from floating lever, it is described from
The center of floating lever is hinged on the end of main floating lever, and the both ends of main floating lever are symmetrically positioned in from floating lever, from floating lever
Both ends are symmetrically equipped with floating alloy fulcrum.
3. centerless external cylindrical according to claim 2 grinds floating bracket, which is characterized in that the top of the floating fixed link fills
There is main rotary shaft, the main rotary shaft and main floating lever are rotatablely connected；The both ends of the main floating lever are respectively arranged with from rotation axis, institute
It states and is rotatablely connected from rotation axis with from floating lever.
4. centerless external cylindrical according to claim 3 grinds floating bracket, which is characterized in that described to include pressure of floating from floating lever
Plate, the floating platen are fixed on the two sides of floating alloy fulcrum；The end activity of the main floating lever is located at two floating pressures
Between plate, floating platen is rotatablely connected with from rotation axis.
5. centerless external cylindrical according to claim 4 grinds floating bracket, which is characterized in that equipped with solid between the floating platen
Reservation, the fixed seating on the both ends of floating platen, the fixing seat be equipped with floating alloy fulcrum.
6. centerless external cylindrical according to claim 3 grinds floating bracket, which is characterized in that be equipped at the top of the floating fixed link
Floating trough, the floating trough are provided with main rotary shaft, and the main floating lever activity is located in floating trough, and rotate with main rotary shaft
Connection.
7. peripheral milling bracket component, which is characterized in that solid including centerless external cylindrical described in claim 1 mill floating bracket and positioning
Fixed pole, the top of the positioning fixed link is equipped with positioning alloy fulcrum；The centerless external cylindrical mill floating bracket and positioning fixed link
The two sides of peripheral milling main-shaft axis are located at, and position fixed link and grinding wheel in the same side.
8. peripheral milling bracket component according to claim 7, which is characterized in that the centerless external cylindrical is ground floating bracket and determined
Angle between the fixed link of position is 90-160 degree.
9. peripheral milling method, which is characterized in that include the following steps, by centerless external cylindrical mill floating bracket and positioning fixed link installation
Onto centerless grinding machine；Round piece is placed on the magnetic-disc of centerless grinding machine, and the periphery of round piece is pressed respectively against nothing
On the alloy fulcrum of heart peripheral milling floating bracket and the alloy fulcrum of positioning fixed link, centerless external cylindrical grinds floating bracket and positioning is solid
Fixed pole is located at the two sides of round piece axis, and the positioning fixed link and grinding wheel are in the same side of round piece.
10. peripheral milling method according to claim 9, which is characterized in that axis of the axis of the grinding wheel in round piece
Above line, and it is not higher than 1mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811591144.3A CN109434581A (en) | 2018-12-25 | 2018-12-25 | Centerless external cylindrical grinds floating bracket and peripheral milling bracket component and peripheral milling method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811591144.3A CN109434581A (en) | 2018-12-25 | 2018-12-25 | Centerless external cylindrical grinds floating bracket and peripheral milling bracket component and peripheral milling method |
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| Publication Number | Publication Date |
|---|---|
| CN109434581A true CN109434581A (en) | 2019-03-08 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811591144.3A Pending CN109434581A (en) | 2018-12-25 | 2018-12-25 | Centerless external cylindrical grinds floating bracket and peripheral milling bracket component and peripheral milling method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113458923A (en) * | 2021-06-01 | 2021-10-01 | 湖南省醴陵市玉果电瓷有限公司 | Automatic grinding machine for electroceramic products |
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| CN2573150Y (en) * | 2002-10-22 | 2003-09-17 | 无锡机床股份有限公司 | Bearing grinder floating supporting mechanism |
| CN202357036U (en) * | 2011-11-19 | 2012-08-01 | 襄樊一福坦铁路轴承有限公司 | Floating support combined device of electromagnetic centerless fixture of internal grinding machine |
| CN202668268U (en) * | 2012-06-04 | 2013-01-16 | 浙江五洲新春集团有限公司 | Floating support block |
| CN104325398A (en) * | 2014-10-22 | 2015-02-04 | 山东省宇捷轴承制造有限公司 | Floating supporter |
| CN104385086A (en) * | 2014-09-29 | 2015-03-04 | 洛阳轴研科技股份有限公司 | Grinding device and grinding method for grinding double trenches of mandrel |
| CN105665765A (en) * | 2016-03-29 | 2016-06-15 | 西安法士特汽车传动有限公司 | Three-jaw twelve-point floating clamping claw |
| CN209190399U (en) * | 2018-12-25 | 2019-08-02 | 江苏帝蒙德轴承有限公司 | Centerless external cylindrical grinds floating bracket and peripheral milling bracket component |
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2018
- 2018-12-25 CN CN201811591144.3A patent/CN109434581A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2573150Y (en) * | 2002-10-22 | 2003-09-17 | 无锡机床股份有限公司 | Bearing grinder floating supporting mechanism |
| CN202357036U (en) * | 2011-11-19 | 2012-08-01 | 襄樊一福坦铁路轴承有限公司 | Floating support combined device of electromagnetic centerless fixture of internal grinding machine |
| CN202668268U (en) * | 2012-06-04 | 2013-01-16 | 浙江五洲新春集团有限公司 | Floating support block |
| CN104385086A (en) * | 2014-09-29 | 2015-03-04 | 洛阳轴研科技股份有限公司 | Grinding device and grinding method for grinding double trenches of mandrel |
| CN104325398A (en) * | 2014-10-22 | 2015-02-04 | 山东省宇捷轴承制造有限公司 | Floating supporter |
| CN105665765A (en) * | 2016-03-29 | 2016-06-15 | 西安法士特汽车传动有限公司 | Three-jaw twelve-point floating clamping claw |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113458923A (en) * | 2021-06-01 | 2021-10-01 | 湖南省醴陵市玉果电瓷有限公司 | Automatic grinding machine for electroceramic products |
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