CN106272046A - The aligning device of grinding bearing filling slot and to correction method - Google Patents
The aligning device of grinding bearing filling slot and to correction method Download PDFInfo
- Publication number
- CN106272046A CN106272046A CN201610824750.XA CN201610824750A CN106272046A CN 106272046 A CN106272046 A CN 106272046A CN 201610824750 A CN201610824750 A CN 201610824750A CN 106272046 A CN106272046 A CN 106272046A
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- China
- Prior art keywords
- grinding
- slide bar
- breach
- rotary shaft
- test arm
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Classifications
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- 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
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
- Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
- Grinding Of Cylindrical And Plane Surfaces (AREA)
Abstract
The present invention relates to deep groove ball bearing and angular contact ball bearing manufactures field, provide the aligning device of a kind of grinding bearing filling slot, including fixing seat, column, contiguous block, slide bar, slide block, rotary shaft, test arm and breach to positive, described column is fixed on fixing seat, contiguous block connects column and slide bar, slide bar is provided with slide block, slide block is also equipped with rotary shaft, slide block upper slide bar is parallel to each other with both rotary shafts axis, slide block can on slide bar slidably and rotate, being connected with test arm in rotary shaft, test arm one end is connected with breach to positive.Breach can be carried out positioning grinding by continuous print by the present invention accurately, improve the grinding accuracy of bearing filling slot, ensure form accuracy and the surface roughness of breach, avoid the occurrence of grinding chips defect, the most described aligning device simple in construction, easy to use, low cost and work efficiency can be greatly improved.
Description
Technical field
The present invention relates to deep groove ball bearing and angular contact ball bearing manufactures field, especially a kind of grinding full complement deep groove ball axle
Hold and the aligning device of angular contact ball bearing filling slot and to correction method.
Background technology
Full complement deep groove ball bearing is owing to having ball-loading hole in the side of the inside and outside circle of bearing, and the steel ball number that therefore can load is relatively
Many, compared with the bearing that inside/outside diameter size is identical, bigger radial load can be born, be particularly well-suited on airframe need to hold
Position or similar particular application, the huge market demand by bigger load.But its filling slot dimensional accuracy and position
Putting precision the highest, difficulty of processing is bigger, and the processing method of current domestic current predominantly Milling Process or drilling add
Work, it is impossible to ensure the processing request of high-precision bearing, needs internally, the filling slot of outer collar adds at mill and carries out finishing man-hour
Work, and ensure form accuracy and the surface roughness of its arc notch radius R, strict work can be reached during in order to ensure mill breach
Skill requirement, it is necessary to consider the workpiece correct installation site in clamp.If installation site produces error, the breach after mill
Grinding defects such as " double eyelids " will be produced, not only affect the technology requirement of product, also bring adverse effect to assembling.
Summary of the invention
In view of this, it is contemplated that propose a kind of bearing filling slot aligning device and using method thereof, it is possible to precisely
Continuous print breach is carried out position grinding, improve bearing filling slot grinding accuracy, it is ensured that the form accuracy of breach
And surface roughness, it is to avoid grinding chips defect occurs.
For reaching above-mentioned purpose, the technical scheme is that and be achieved in that:
The aligning device of a kind of grinding bearing filling slot, including fixing seat, column, contiguous block, slide bar, slide block, rotation
Axle, test arm and breach are to positive, and described column is fixed on fixing seat, and contiguous block connects column and slide bar, and slide bar is provided with cunning
Block, slide block is also equipped with rotary shaft, and slide block upper slide bar is parallel to each other with both rotary shafts axis, and slide block can on slide bar slidably
And rotation, rotary shaft is connected with test arm, test arm one end is connected with breach to positive.
Further, described fixing seat is connected with lathe, can be bolted mode, it is possible to by magnetic force connected mode
Connect.
Further, described contiguous block is provided with tight lock part, is locked on contiguous block by slide bar, and unclamping tight lock part can realize
The slip of slide bar and rotation.
Further, described slide block being additionally provided with slider locking portion, slider locking portion is used for locking sliding block on slide bar
Movable.
Further, described rotary shaft can be freely rotatable on slide block, and rotary shaft limits rotary shaft by fastener
Axially-movable.
Further, described test arm is tortuous bow shape, and one end of rotary shaft is fixed in test arm one end, and the other end aligns with breach
Sheet is affixed.
Further, described breach is the disk isometrical with segmental bearing breach or arcuate member to positive.
The using method of the aligning device of the application present invention:
Bearing ring workpiece is arranged on clamp, the fixed body of described aligning device is connected to the head of a bed, adjust
Whole to suitable position, adjusts slide bar and makes it parallel with the grinding cutter head direction of motion, be fastenedly connected block, and left and right adjusts the position of slide block
Put, the rotation test arm to the breach gap position inscribe to positive Yu bearing snare, fasten slide block, fasten bearing snare, adjust mill
Cut emery wheel coaxial to positive with breach, now at slide block end line record test arm rotational angle, rotate test arm and be moved out, this
Time workpiece grinding breach be in correct grinding installation site, by emery wheel move into can carry out grinding accurately.After grinding terminates,
Change bearing snare workpiece, test arm is gone at line, fasten bearing snare workpiece, remove test arm and carry out grinding, it is possible to precisely
Realize continuous grinding workpiece.
Relative to prior art, aligning device of the present invention and using method thereof have the advantage that
Of the present invention can accurately continuous print breach is carried out position grinding, improve bearing filling slot grinding add
Work precision, it is ensured that the form accuracy of breach and surface roughness, it is to avoid grinding chips defect occur, the most described aligning device is tied
Structure is simple, easy to use, low cost and can be greatly improved work efficiency.
Accompanying drawing explanation
The accompanying drawing of the part constituting the present invention is used for providing a further understanding of the present invention, and the present invention's is schematic real
Execute example and illustrate for explaining the present invention, being not intended that inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the aligning device schematic diagram described in the embodiment of the present invention；
Fig. 2 is the slide block sectional view of the aligning device described in the embodiment of the present invention；
Fig. 3 is the aligning device operating diagram described in the embodiment of the present invention；
Fig. 4 is that the breach described in the embodiment of the present invention aligns schematic diagram to positive and bearing outer ring；
Fig. 5 is the bearing outer ring schematic diagram described in the embodiment of the present invention.
Description of reference numerals:
1-fixes seat；2-column；23-contiguous block；230-contiguous block tight lock part；3-slide bar；4-slide block；40-slider locking
Portion；400-slider locking portion through hole；41-slide bar through hole；42-rotating shaft through hole；5-rotary shaft；6-test arm；7-breach is to positive；
70-breach is to positive fixture；8-bearing outer ring；80-arc notch.
Detailed description of the invention
It should be noted that in the case of not conflicting, the embodiment in the present invention and the feature in embodiment can phases
Combination mutually.
In describing the invention, it is to be understood that term " " center ", " longitudinally ", " laterally ", " on ", D score,
Orientation or the position relationship of the instruction such as "front", "rear", "left", "right", " vertically ", " level ", " top ", " end ", " interior ", " outward " are
Based on orientation shown in the drawings or position relationship, it is for only for ease of the description present invention and simplifies description rather than instruction or dark
The device or the element that show indication must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that right
The restriction of the present invention.Additionally, term " first ", " second " etc. are only used for describing purpose, and it is not intended that indicate or hint phase
To importance or the implicit quantity indicating indicated technical characteristic.Thus, the feature defining " first ", " second " etc. can
To express or to implicitly include one or more this feature.In describing the invention, except as otherwise noted, " multiple "
It is meant that two or more.
In describing the invention, it should be noted that unless otherwise clearly defined and limited, term " is installed ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be fixing connection, it is also possible to be to removably connect, or be integrally connected；Can
To be mechanical connection, it is also possible to be electrical connection；Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, Ke Yishi
The connection of two element internals.For the ordinary skill in the art, above-mentioned term can be understood by concrete condition
Concrete meaning in the present invention.
Describe the present invention below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
Shown in Fig. 1, a kind of grinding aligning device, it is characterised in that: include fixing seat 1, column 2, contiguous block 23, slide
Bar 3, slide block 4, rotary shaft 5, test arm 6 and breach are to positive 7, and described column 2 is fixed on fixing seat 1, and contiguous block 23 connects vertical
Post 2 and slide bar 3, described slide block 4 has slide bar through hole 41 and rotating shaft through hole 42, and two axis string holes are parallel to each other, described slide bar 3
Through slide bar through hole 41, and can freely slide axially and circumferentially rotate, described rotary shaft 5 is through rotating shaft through hole 42, and energy is freely
Rotating, rotary shaft 5 one end is connected with test arm 6, test arm 6 one end is connected with breach to positive 7, described breach positive 7 is had with
The arc limit that the root radius of bearing snare is equal, and breach is to the vertical center axis on the arc limit of positive 7 and rotary shaft 5 axis and cunning
Bar 3 axis is parallel to each other, as shown in Figure 2, has the locking vertical with slide bar through hole 41 above the slide bar through hole 41 of described slide block 4
Portion's through hole 400, and slide block 4 is provided with vertical tight lock part through hole 400 and through slide bar through hole 41 axis and rotating shaft through hole 42 axis
Non-through opening, described slide block 4 is additionally provided with slider locking portion 40, and the tight lock section of slide block 40, can be tight through tight lock part through hole 400
Gu the slide block 4 of opening portion and clamping slide bar 3 and rotary shaft 5.
Optimal, described fixing seat 1 is connected with lathe, can be bolted mode, it is possible to by magnetic-adsorption at machine
On bed, so can conveniently load and unload, improve the replacing efficiency of aligning device, reduce the additional working time；
Optimal, described contiguous block 23 is provided with contiguous block tight lock part 230, the tight lock part 230 abutment by screw rod
Pushing against slide bar 3 slide on contiguous block 23 or rotate, column 2 is fixing with contiguous block 23 to be connected, and column 2 hangs down mutually with slide bar 3
Directly；
Optimal, described rotary shaft 5 also is able to freely rotatable on slide block 4, and rotary shaft 5 limits rotary shaft by fastener
The axially-movable in the rotary shaft through hole 42 of slide block 4 of 5, fastener can be turn；
Optimal, described test arm 6 is in tortuous bow shape, and described rotary shaft 5, for there being a shoulder axle, relies on this shoulder axle can be by test arm
6 are fixed by caulking in rotary shaft 5, and it is affixed to positive 7 with breach that the other end aligns fixture 70 by breach；
Optimal, the material of described test arm 6 is rustless steel, is drilled with an aperture at the head drawn a bow, and the height of test arm 6 regards
Lathe centre-height determines, relies on screw can be fixed on positive 7 on test arm 6 by breach；
Optimal, described breach is the isometrical disk of the arc notch 80 with race ring or arcuate member, breach pair to positive 7
The material of positive 7 is rustless steel.
In conjunction with Fig. 1, Fig. 3, Fig. 4 and Fig. 5, the aligning device of the application present invention to correction method:
S1. race ring workpiece is arranged on clamp, fixed body 1 is connected to the head of a bed, adjust to suitable position
Keep constant, make slide bar 3 parallel with abrasive grinding wheel travel path, and merge out the travel space of grinding cutter head；
S2. adjusting contiguous block tight lock part 230, be fastened on contiguous block 23 by slide bar 3, sliding slider 4 rotates test arm simultaneously
6, make breach tangent with the filling slot of bearing inner race or outer ring to positive 7 and abut, holding position is constant, and locking sliding block is locked
Portion 40, fastening slide block 4, with on slide bar 3, is rule in slide block 4 end or lathe end and is recorded test arm 6 rotational angle；
S3. locking bearing inner race or the fixture of outer ring, adjusts abrasive grinding wheel coaxial to positive 7 with breach, now exists, and rotates
Test arm 6 is moved out, and emery wheel moves into bearing inner race or outer ring indentation, there carries out grinding；
After S4, grinding terminate, exit abrasive grinding wheel, change race ring workpiece, test arm 6 is rotated to line, by bearing
Positive 7 is abutted tangent with breach by circle filling slot, by race ring work piece on fixture, removes test arm 6, directly according to front
The grinding course that step sets carries out grinding.
As a example by bearing outer ring 8, illustrate grinding bearing filling slot to correction method, by described aligning device
Fixed body 1 is connected to the head of a bed, adjusts to suitable position, adjusts slide bar 3 and makes it parallel with the grinding cutter head direction of motion, and fastening is even
Connecing block 23, left and right adjusts the position of slide block 4, rotates test arm 6 to breach arc notch 80 position to positive 7 with bearing outer ring 8
Inscribe, fastens slide block 4, fastener shaft bearing outer-ring 8, adjusts abrasive grinding wheel coaxial to positive 7 with breach, now draw in slide block 4 end
Line record test arm 6 rotational angle, rotates test arm 6 and is moved out, and now the arc notch 80 of bearing outer ring 8 is in correct grinding peace
Holding position, moves into emery wheel and can carry out grinding accurately.After grinding terminates, change bearing outer ring 8 workpiece, test arm 6 is gone to
At line, fastener shaft bearing outer-ring 8 workpiece, remove test arm 6 and carry out grinding, it is possible to realize continuous grinding workpiece accurately；When right
When bearing inner race carries out grinding, same operational approach uses the breach isometrical with bearing inner race filling slot to positive 7 and axle
Hold the filling slot inscribe of inner ring, determine the rotational angle of test arm 6, repeat grinding.
Breach can be carried out positioning grinding by continuous print by aligning device of the present invention accurately, improves axle bearing ball
The grinding accuracy of breach, it is ensured that the form accuracy of breach and surface roughness, it is to avoid grinding chips defect, simultaneously institute occur
State aligning device simple in construction, easy to use, low cost and work efficiency can be greatly improved.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all essences in the present invention
Within god and principle, any modification, equivalent substitution and improvement etc. made, should be included within the scope of the present invention.
Claims (10)
1. a grinding aligning device, it is characterised in that: include fixing seat (1), column (2), contiguous block (23), slide bar (3), slide
Block (4), rotary shaft (5), test arm (6) and breach are to positive (7), and described column (2) is fixed on fixing seat (1), contiguous block
(23) connect column (2) and slide bar (3), described slide block (4) has slide bar through hole (41) and rotating shaft through hole (42), two axis lines
Hole is parallel to each other, and described slide bar (3) passes slide bar through hole (41), and can freely slide axially and circumferentially rotate, described rotary shaft
(5) through rotating shaft through hole (42), and can be freely rotatable, rotary shaft (5) one end is connected with test arm (6), test arm (6) one end is affixed
Jagged to positive (7), described breach has the arc limit equal with the root radius of bearing snare to positive (7), and breach aligns
The vertical center axis on the arc limit of sheet (7) is parallel to each other with rotary shaft (5) axis and slide bar (3) axis.
A kind of grinding aligning device the most according to claim 1, it is characterised in that: the slide bar through hole of described slide block (4)
(41) top has the tight lock part through hole (400) vertical with slide bar through hole (41), and slide block (4) is provided with vertical tight lock part through hole
(400) and through slide bar through hole (41) axis and the non-through opening of rotating shaft through hole (42) axis, described slide block also sets on (4)
Have slider locking portion (40), the tight lock section of slide block (40) pass tight lock part through hole (400), can fasten opening portion slide block (4) and
Clamping slide bar (3) and rotary shaft (5).
A kind of grinding aligning device the most according to claim 1, it is characterised in that: described contiguous block (23) is provided with connection
Block tight lock part (230), tight lock part (230) pushes against slide bar (3) by the abutment of screw rod and in the upper slip of contiguous block (23) or turns
Dynamic, column (2) is fixing with contiguous block (23) to be connected, and column (2) is orthogonal with slide bar (3).
A kind of grinding aligning device the most according to claim 1, it is characterised in that: described test arm (6) is in tortuous bow shape, described
One end of rotary shaft (5) rivets with test arm (6) or affixed by threaded engagement, and the material of described test arm (6) is rustless steel, breach
Positive (7) is fixed on test arm (6) free end by screw.
A kind of grinding aligning device the most according to claim 1, it is characterised in that: positive (7) is and axle by described breach
Holding the isometrical disk part of circle filling slot or arcuate member, breach is rustless steel to the material of positive (7).
A kind of grinding aligning device the most according to claim 1, it is characterised in that: described fixing seat (1) is connected with lathe,
Connected mode is that bolt connects or magnetic-adsorption.
A kind of grinding aligning device the most according to claim 1, it is characterised in that: described rotary shaft (5) is on slide block (4)
Also being able to freely rotatable, rotary shaft (5) limits axially-movable by fastener.
A kind of grinding aligning device the most according to claim 7, it is characterised in that: described fastener is turn.
A kind of grinding aligning device the most according to claim 7, it is characterised in that: in described rotary shaft (5) and slide block
(4) the two outer end axles coordinated are provided with screw thread, and described fastener is the nut coordinated with rotary shaft (5).
10. the method precisely aligning continuous grinding bearing breach, uses a kind of grinding described in claim 1 to formal dress
Put, it is characterised in that:
S1. race ring workpiece is arranged on clamp, fixed body (1) is connected to the head of a bed, adjust and protect to suitable position
Hold constant, make slide bar (3) parallel with abrasive grinding wheel travel path, and merge out the travel space of grinding cutter head；
S2. adjusting contiguous block tight lock part (230), be fastened on contiguous block (23) by slide bar (3), sliding slider (4) rotates simultaneously
Test arm (6), makes breach tangent with the filling slot of bearing inner race or outer ring to positive (7) and abuts, and holding position is constant, locking
Slider locking portion (40), fastening slide block (4), with on slide bar (3), is rule in slide block (4) end or lathe end and is recorded test arm (6)
Rotational angle；
S3. locking bearing inner race or the fixture of outer ring, adjusts abrasive grinding wheel coaxial to positive (7) with breach, now exists, and rotates and surveys
Arm (6) is moved out, and emery wheel moves into bearing inner race or outer ring indentation, there carries out grinding；
After S4, grinding terminate, exit abrasive grinding wheel, change race ring workpiece, test arm (6) is rotated to line, by race ring
Positive (7) is abutted tangent with breach by filling slot, by race ring work piece on fixture, removes test arm (6), directly according to
The grinding course that front step sets carries out grinding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610824750.XA CN106272046B (en) | 2016-09-14 | 2016-09-14 | The aligning device of grinding bearing filling slot and to correction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610824750.XA CN106272046B (en) | 2016-09-14 | 2016-09-14 | The aligning device of grinding bearing filling slot and to correction method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106272046A true CN106272046A (en) | 2017-01-04 |
| CN106272046B CN106272046B (en) | 2018-05-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610824750.XA Active CN106272046B (en) | 2016-09-14 | 2016-09-14 | The aligning device of grinding bearing filling slot and to correction method |
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| CN (1) | CN106272046B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107363727A (en) * | 2017-09-11 | 2017-11-21 | 中国航发哈尔滨轴承有限公司 | A kind of processing method of bearing outer ring filling slot |
| CN110936235A (en) * | 2019-12-04 | 2020-03-31 | 航天精工股份有限公司 | Machining method and clamping device for ball mounting notch of bearing ring |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005219154A (en) * | 2004-02-05 | 2005-08-18 | Okamoto Machine Tool Works Ltd | Seal structure of spindle device |
| CN103506897A (en) * | 2012-06-21 | 2014-01-15 | 襄阳汽车轴承股份有限公司 | Electromagnetism centerless clamp for bearing inner-outer circle ball mounting notch one-time clamping grinding |
| CN104802055A (en) * | 2015-05-15 | 2015-07-29 | 重庆江增船舶重工有限公司 | Processing method for fan-shaped oil wedge surface on sliding bearing of pressurizer |
| CN205097034U (en) * | 2015-11-06 | 2016-03-23 | 湖州石渔涧模具有限公司 | Pendulum rod bearing inner race channel processing frock |
-
2016
- 2016-09-14 CN CN201610824750.XA patent/CN106272046B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005219154A (en) * | 2004-02-05 | 2005-08-18 | Okamoto Machine Tool Works Ltd | Seal structure of spindle device |
| CN103506897A (en) * | 2012-06-21 | 2014-01-15 | 襄阳汽车轴承股份有限公司 | Electromagnetism centerless clamp for bearing inner-outer circle ball mounting notch one-time clamping grinding |
| CN104802055A (en) * | 2015-05-15 | 2015-07-29 | 重庆江增船舶重工有限公司 | Processing method for fan-shaped oil wedge surface on sliding bearing of pressurizer |
| CN205097034U (en) * | 2015-11-06 | 2016-03-23 | 湖州石渔涧模具有限公司 | Pendulum rod bearing inner race channel processing frock |
Non-Patent Citations (1)
| Title |
|---|
| 魏芳: "深沟球轴承套圈装球缺口的加工", 《哈尔滨轴承》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107363727A (en) * | 2017-09-11 | 2017-11-21 | 中国航发哈尔滨轴承有限公司 | A kind of processing method of bearing outer ring filling slot |
| CN110936235A (en) * | 2019-12-04 | 2020-03-31 | 航天精工股份有限公司 | Machining method and clamping device for ball mounting notch of bearing ring |
| CN110936235B (en) * | 2019-12-04 | 2021-11-02 | 航天精工股份有限公司 | Machining method and clamping device for ball mounting notch of bearing ring |
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| Publication number | Publication date |
|---|---|
| CN106272046B (en) | 2018-05-11 |
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