CN109158965A - A kind of back lining bearing reconditioning mould - Google Patents
A kind of back lining bearing reconditioning mould Download PDFInfo
- Publication number
- CN109158965A CN109158965A CN201811011827.7A CN201811011827A CN109158965A CN 109158965 A CN109158965 A CN 109158965A CN 201811011827 A CN201811011827 A CN 201811011827A CN 109158965 A CN109158965 A CN 109158965A
- Authority
- CN
- China
- Prior art keywords
- ring
- mandrel
- movable
- reconditioning
- bearing
- 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.)
- Granted
Links
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
- B24B5/35—Accessories
-
- 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
- B24B41/06—Work supports, e.g. adjustable steadies
- B24B41/067—Work supports, e.g. adjustable steadies radially supporting workpieces
-
- 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
- B24B5/36—Single-purpose machines or devices
Abstract
The present invention relates to technical field of bearing processing, in particular to a kind of back lining bearing reconditioning mould, on the basis of prior art, reconditioning bearing outer ring outer diameter is changed to reconditioning outer diameter that bearing is integrally loaded using mould, direct reconditioning bearing H value, good processing accuracy are high-efficient.Technical points include fixed part and movable part, fixed part is detachably connected with movable part, bearing to be grinding is arranged between fixed part and movable part, fixed part includes mandrel, the outer one end of mandrel is equipped with the mounting flange for axial grip inner ring, mandrel, which is externally provided with, fixes to clamp ring for axial restraint outer ring, fixing to clamp ring can rotate around mandrel, mandrel is externally provided with expansion axle sleeve, movable part includes the movable sleeve with mandrel cooperation, movable sleeve is detachably connected with mandrel, movable sleeve is externally provided with the loose flange for axial grip inner ring, movable sleeve is externally provided with the movable clamping ring for axial restraint outer ring, movable clamping ring can be rotated around the movable sleeve.
Description
Technical field
The invention belongs to technical field of bearing processing, in particular to a kind of back lining bearing reconditioning mould.
Background technique
Back lining bearing is usually that 6 sets of bearings are assembled on a mandrel to use when in use, and this requires be assembled to one
H value (the distance between bearing inner ring interior diameter and outer ring outer diameter) the phase mutual deviation of 6 sets of bearings on root mandrel is controlled in minimum model
In enclosing, industry requirement is within 0.005mm at present, and otherwise, in use process, the big bearing endurance of H value is larger, is easy damage
It is bad.
Currently, the processing technology of bearing is usually inner ring according to drawing normal process, after outer ring is produced, to the outer of outer ring
Diameter is polished, and wall-thickness measurement, is then grouped (6 one group) according to measurement record, then it is cooperated with inner ring, reference
Notification number is the Chinese utility model patent of CN205927703U.But the outer ring that this processing method is produced, often send out
First portion outer ring is larger because size deviates, and can not participate in the case where being grouped, so that reconditioning outer diameter again is needed, to be matched
Group.And then cause split bearing to be loaded repeatedly, reconditioning it is multiple, production efficiency is lower；It is overproof that the careless reconditioning in outer ring even occurs
Situation seriously affects machining accuracy.
On the other hand, the method for traditional reconditioning back lining bearing is that outer ring is removed, independent reconditioning outer ring outer diameter.But pass through
After the use of a period of time, the case where bearing outer ring is likely occurred ovalizing deflection, i.e. bearing outer ring convexity changes.If
Bearing outer ring ellipse is overproof, and Wall-Thickness Difference is not up to standard, then the reconditioning mode of existing only reconditioning outer diameter is difficult oval and wall
Thickness repairs.
Summary of the invention
The object of the present invention is to provide a kind of back lining bearing reconditioning moulds, on the basis of prior art, by reconditioning axis
Bearing outer-ring outer diameter is changed to reconditioning outer diameter that bearing is integrally loaded using mould, direct reconditioning bearing H value, good processing accuracy, efficiency
It is high.
Above-mentioned technical purpose of the invention has the technical scheme that
A kind of back lining bearing reconditioning mould, including fixed part and movable part, the fixed part and the movable part
Divide and be detachably connected, bearing to be grinding is arranged between the fixed part and the movable part.
Further, the fixed part includes mandrel, and the outer one end of the mandrel is equipped with consolidating for axial grip inner ring
Determine flange.
Further, the mandrel, which is externally provided with, fixes to clamp ring for axial restraint outer ring.
Further, described to fix to clamp between ring and the mounting flange by being fixedly connected with ring connection, the fixation
Clamping ring can be rotated around the mandrel.
Further, the mandrel is externally provided with expansion axle sleeve.
Further, the movable part includes the movable sleeve with mandrel cooperation, the movable sleeve and the mandrel
It is detachably connected.
Further, the movable sleeve is externally provided with the loose flange for axial grip inner ring.
Further, the movable sleeve is externally provided with the movable clamping ring for axial restraint outer ring.
Further, the movable clamping ring is connect by being flexibly connected ring with the loose flange, the movable clamping
Ring can be rotated around the movable sleeve.
Compared with prior art, the beneficial effects of the present invention are:
1. individually dismantling outer ring in the prior art, the technique for carrying out reconditioning Selective assembly again to outer ring is compared, this hair
It is bright bearing to be integrally loaded reconditioning outer diameter using mould, it directly modifies bearing H value and therefore eliminates the grouping in traditional handicraft
Grouping is merged into a step with outer diameter reconditioning and completed by link, and machining accuracy is more preferable, more efficient.
2. being fixed inner ring in the way of hydraulic buckling, inner ring does not turn during reconditioning, outer ring rotation, close in clearance
In the case where O, practical reconditioning is outer ring wall thickness, and therefore, situations such as ovalizing deflection of outer ring, wall thickness is overproof there is not reconditioning result
Have an impact.
3. the cooperation of loose flange and mounting flange makes inner ring in axial grip, inner ring is along its axial direction during avoiding reconditioning
It is mobile.
4. due to movable clamping ring, fixes to clamp ring and can be rotated relative to movable sleeve and mandrel, utilizing activity folder
Tight ring and ring is fixed to clamp by outer ring under the premise of axial restraint, outer ring can be rotated relative to inner ring, to go on smoothly reconditioning.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 is back lining bearing reconditioning mould fractionation structural representation of the present invention；
Fig. 2 is that back lining bearing reconditioning mould is loaded overall structure diagram after bearing to be grinding.
In figure, 01, outer ring；02, inner ring；1, fixed part；2, movable part；3, mandrel；31, oil nozzle；4, axle sleeve is expanded；
5, mounting flange；51, it is fixedly connected with ring；52, ring is fixed to clamp；6, movable sleeve；61, fastening nut；7, loose flange；71, living
Dynamic connection ring；72, movable clamping ring；8, end cap is compressed.
Specific embodiment
Below in conjunction with specific embodiment, technical solution of the present invention is clearly and completely described.Obviously, it is retouched
The embodiment stated is only a part of the embodiments of the present invention, instead of all the embodiments.Based on the embodiment of the present invention, originally
Field those of ordinary skill every other embodiment obtained without creative efforts, belongs to the present invention
The range of protection.
A kind of back lining bearing reconditioning mould, referring to figure, the reconditioning mould include two parts, be respectively fixed part 1 and
Movable part 2.Wherein fixed part 1 includes a horizontally disposed mandrel 3, and main axis of dilatation set 4,3 side of mandrel are arranged with outside mandrel 3
Wall is provided with the oil nozzle 31 that can be connect with hydraulic pump, and expansion axle sleeve 4 passes through the oil circuit being arranged in mandrel 3 and is connected to oil nozzle 31.
Referring to figure, it is connected with mounting flange 5 outside mandrel 3, positioned at the side of expansion axle sleeve 4, in mounting flange 5 far from core
The side of axis 3 is connected with by being fixedly connected with ring 51 and fixes to clamp ring 52.Ring 52 is fixed to clamp, ring 51 is fixedly connected with and fixes
5 three of flange combination is similar to the structure of rolling bearing, and therefore, fixing to clamp ring 52 can rotate relative to mandrel 3.The present embodiment
In expansion axle sleeve 4 two sides, with mandrel 3 be connected with compress end cap 8, with for reinforce expansion axle sleeve 4, avoid expansion axle sleeve 4
Both ends swell increment is different, causes bearing to be grinding taper occur overproof.
Referring to figure, movable part 2 includes the movable sleeve 6 that can be set in outside mandrel 3, and between movable sleeve 6 and mandrel 3,
By screwing the fastening nut 61 outside movable sleeve 6, movable sleeve 6 and mandrel 3 are detachably connected.Work is externally connected in movable sleeve 6
Dynamic flange 7, side of the loose flange 7 far from movable sleeve 6 are connected with movable clamping ring 72 by being flexibly connected ring 71.Activity folder
Tight ring 72 is flexibly connected ring 71 and 7 three of loose flange combination similar to the structure of rolling bearing, therefore, movable clamping ring 72
It can be rotated relative to movable sleeve 6.
Processing step using above-mentioned reconditioning mould processing back lining bearing is as follows:
S1: screwing fastening nut 61, releases the connection of movable sleeve 6 and mandrel 3, keeps movable part 2 and fixed part 1 de-
From.
S2: installation the inner ring 02 normally produced, rolling element group is combined with outer ring 01 to be grinding, forms axis to be grinding
It holds.
S3: the bolt compressed on end cap 8, the fixing end side of fixed expansion axle sleeve 4 are tightened；By the inner ring of bearing to be grinding
02 insertion mandrel 3, makes inner ring end face side wall against the outer-diameter end face of expansion axle sleeve 4, and push bearing to be grinding, is set in it
Expand 4 periphery of axle sleeve.
Fastening nut 61 is twisted, the movable end side of expansion axle sleeve 4 is compressed, makes to expand two sides swell increment when axle sleeve 4 pressurizes and reaches
To consistent.
By 6 sets of movable sleeve outside mandrel 3, and fastening nut 61 is screwed, keeps movable sleeve 6 and mandrel 3 relatively fixed.Screw work
Bolt on dynamic flange 7, abuts it closely with 02 side wall of inner ring of bearing to be grinding, thus in loose flange 7 and main axis of dilatation
Under the cooperation of set 4,02 axial restraint of inner ring of bearing to be grinding.The bolt for screwing adjustment mounting flange 5, makes itself and axis to be grinding
01 side wall of outer ring held abuts, in movable clamping ring 72 and under fixing to clamp the cooperation of ring 52,01 axis of outer ring of bearing to be grinding
To fixation.
S4: it will be loaded in the reconditioning mould integral installation to grinding machine for having bearing to be grinding, top hold out against respectively of grinding machine is repaired
Grind the both ends of mould mandrel 3.
S5: hydraulic hand-pump is connect with the oil nozzle 31 of mandrel 3, is pressurizeed to hydraulic pump, and prexxure of the hydraulic pump reaches a level pressure
When power, close to 0, while under the action of hydraulic oil, expansion axle sleeve 4 gradually expands bearing clearance, closely abuts with inner ring 02,
Keep inner ring 02 and mandrel 3 relatively fixed, inner ring 02 is avoided to rotate.
S6: grinding machine drives outer ring 01 to rotate, and reconditioning outer diameter.
Claims (9)
1. a kind of back lining bearing reconditioning mould, it is characterised in that: including fixed part (1) and movable part (2), the fixed part
(1) is divided to be detachably connected with the movable part (2), bearing to be grinding is arranged in the fixed part (1) and the movable part
Divide between (2).
2. a kind of back lining bearing reconditioning mould according to claim 1, it is characterised in that: the fixed part (1) includes
Mandrel (3), the outer one end of the mandrel (3) are equipped with the mounting flange (5) for axial grip inner ring (02).
3. a kind of back lining bearing reconditioning mould according to claim 2, it is characterised in that: mandrel (3) peripheral hardware is useful
Ring (52) are fixed to clamp in axial restraint outer ring (01).
4. a kind of back lining bearing reconditioning mould according to claim 3, it is characterised in that: it is described fix to clamp ring (52) with
By being fixedly connected with ring (51) connection between the mounting flange (5), the ring (52) that fixes to clamp can be around the mandrel (3)
Rotation.
5. a kind of back lining bearing reconditioning mould according to claim 2, it is characterised in that: the mandrel (3) is externally provided with swollen
Swelling shaft set (4).
6. a kind of back lining bearing reconditioning mould according to claim 2, it is characterised in that: the movable part (2) includes
With the movable sleeve (6) of the mandrel (3) cooperation, the movable sleeve (6) is detachably connected with the mandrel (3).
7. a kind of back lining bearing reconditioning mould according to claim 6, it is characterised in that: the movable sleeve (6) is externally provided with
Loose flange (7) for axial grip inner ring (02).
8. a kind of back lining bearing reconditioning mould according to claim 7, it is characterised in that: the movable sleeve (6) is externally provided with
Movable clamping ring (72) for axial restraint outer ring (01).
9. a kind of back lining bearing reconditioning mould according to claim 8, it is characterised in that: the movable clamping ring (72) is logical
It crosses activity connection ring (71) to connect with the loose flange (7), the movable clamping ring (72) can turn around the movable sleeve (6)
It is dynamic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811011827.7A CN109158965B (en) | 2018-08-31 | 2018-08-31 | Backing bearing coping mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811011827.7A CN109158965B (en) | 2018-08-31 | 2018-08-31 | Backing bearing coping mould |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109158965A true CN109158965A (en) | 2019-01-08 |
| CN109158965B CN109158965B (en) | 2020-09-04 |
Family
ID=64893808
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811011827.7A Active CN109158965B (en) | 2018-08-31 | 2018-08-31 | Backing bearing coping mould |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109158965B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201201177Y (en) * | 2008-05-29 | 2009-03-04 | 北京京诚之星科技开发有限公司 | Bearing roller repair grinding apparatus on cluster mill back lining roller |
| CN201380410Y (en) * | 2009-04-20 | 2010-01-13 | 赵希普 | Integral grinding fixture for backing bearing in multi-roller mill |
| CN201702464U (en) * | 2010-05-28 | 2011-01-12 | 王洪祥 | Precision hydraulic expansion mandrel |
| FR2999969A1 (en) * | 2012-12-20 | 2014-06-27 | Ntn Snr Roulements | Method for assembling e.g. biconical housing bearing and stub axle, of vehicle, in maintenance or repair workshop, involves inserting one component into another component by axial movement of one of components to axially push back part |
| CN106239027A (en) * | 2016-08-24 | 2016-12-21 | 大连国威轴承股份有限公司 | Back lining bearing repairs tire |
-
2018
- 2018-08-31 CN CN201811011827.7A patent/CN109158965B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201201177Y (en) * | 2008-05-29 | 2009-03-04 | 北京京诚之星科技开发有限公司 | Bearing roller repair grinding apparatus on cluster mill back lining roller |
| CN201380410Y (en) * | 2009-04-20 | 2010-01-13 | 赵希普 | Integral grinding fixture for backing bearing in multi-roller mill |
| CN201702464U (en) * | 2010-05-28 | 2011-01-12 | 王洪祥 | Precision hydraulic expansion mandrel |
| FR2999969A1 (en) * | 2012-12-20 | 2014-06-27 | Ntn Snr Roulements | Method for assembling e.g. biconical housing bearing and stub axle, of vehicle, in maintenance or repair workshop, involves inserting one component into another component by axial movement of one of components to axially push back part |
| CN106239027A (en) * | 2016-08-24 | 2016-12-21 | 大连国威轴承股份有限公司 | Back lining bearing repairs tire |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109158965B (en) | 2020-09-04 |
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