CN104847795B - A kind of processing method of retainer - Google Patents
A kind of processing method of retainer Download PDFInfo
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- CN104847795B CN104847795B CN201510189296.0A CN201510189296A CN104847795B CN 104847795 B CN104847795 B CN 104847795B CN 201510189296 A CN201510189296 A CN 201510189296A CN 104847795 B CN104847795 B CN 104847795B
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- taper tube
- conical surface
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Abstract
The present invention relates to a kind of processing method of retainer, including：Steel plate is cut into rectangle billot；The billot is wound into pipe and abutment joint is welded, circular pipe workpiece is formed；Shaping compacting is carried out to the circular pipe workpiece, forming smaller diameter end has the taper tube workpiece for pre-folding base；Suppress to form the base of setting to pre-folding base；Some rectangular openings being evenly distributed are processed on the conical surface of taper tube workpiece；The taper tube workpiece larger diameter end edge is carried out to go rib to process；Pressure slope processing is carried out to the rectangular opening, so that hole wall turns into domatic；The taper tube workpiece is radially expanded, the retainer body for meeting radial dimension requirement is formed；Bead is carried out to the retainer body, the retainer product for meeting hardness requirement is formed.Advantage is that stock utilization and production efficiency are high, and less energy consumption, manufacturing cost is low.
Description
Technical field
The present invention relates to bearing machining, more particularly to a kind of processing method of retainer.
Background technology
The structure of retainer such as Fig. 1, it is the conical mount that smaller diameter end has annulus base 11, on its conical surface 10
Some holes 121 for being used to place taper roller 2 of cloth.
Processing such as Figure 14 of current this kind of retainer, is that steel plate used is cut into the billot with width S first,
Referring to figure a therein, then stamp out along the billot length direction some a diameter of D plectane, plectane during punching press and billot side
It is spaced between edge and between two adjacent plectanes, such as figure b；Then shaping compacting is carried out to the plectane that this stamps out, be allowed to
The bowl structure with the conical surface 50 and bottom surface 51 is formed, and bottom surface has a positioning hole 511, such as figure c；Then bottom surface 51 is entered
Row machining, becomes the annulus base 11 as shown in figure d or Fig. 1.
The processing method of above-mentioned retainer has the drawback that discarded leftover pieces are more, make waste of material tight
Weight, utilization rate of raw materials is low, only 12-25%；The structure of design need to be realized by machining, not only increases power consumption but also increases
Material consumption, while also increasing the holding time of manufacture course of products, makes low production efficiency, cost of manufacture is high.
The content of the invention
It is an object of the invention to overcome the defect of above-mentioned prior art, there is provided a kind of raw material are substantially lossless, machine adds
The few bearing cage processing method of work amount.
For achieving the above object, the processing method for the retainer that the present invention is used comprises the following steps：
The steel plate for making the retainer is cut into rectangle billot；
The billot is wound into circular tube shaped, and abutment joint is welded, and forms circular pipe workpiece；
Processing and forming is carried out to the circular pipe workpiece, forming smaller diameter end has the taper tube workpiece for pre-folding base；
Bending angle adjustment is carried out to the base that pre-folds of taper tube workpiece, the base of bending is met design requirement；
Some isosceles trapezoid fenestras being evenly distributed are processed on the conical surface of taper tube workpiece；
The taper tube workpiece larger diameter end is carried out to go rib to process；
Pressure slope processing is carried out to the rectangular opening, so that hole wall turns into domatic；
Processing is radially expanded to the taper tube workpiece, the retainer body for meeting radial dimension requirement is formed；
Bead is carried out to the retainer body, the retainer product for meeting hardness requirement is formed.
In order to ensure the dimensional uniformity for winding circular pipe workpiece, the billot is wound into circular pipe workpiece shape on a mould.
Further, processing and forming is carried out to the circular pipe workpiece by mould, the face of cylinder of circular pipe workpiece is pressed into
Circular conical surface, and to the inside bending of smaller diameter end of circular conical surface, formed with the conical surface in obtuse angle pre-fold base.
In order to reach the bending requirement of base finally, bending angle adjustment is carried out to pre-folding base by mould, makes bending
The angle of base and the circular conical surface be acute angle.
In order to improve the stability and quality of welding, the abutment joint carries out welding and uses medium frequency inverter electric resistance welding.
In order to which highly-efficient processing is distributed on the rectangular opening on the taper tube workpiece conical surface, some rectangular openings are by punch press and are arranged on
Index dial on the punch press is processed to be formed.
Further, the outer edge of the taper tube workpiece larger diameter end go corner angle processing be by the outer edge
The turning of R circular arcs.
Domatic on hole wall in order to expeditiously reach rectangular opening to require, the domatic of the rectangular opening hole wall passes through pressure slope mould
Tool compacting is formed.
For the final radial dimension for reaching retainer, needed for the taper tube workpiece radial dilatation is reached using mould compacting
Radial dimension.
The round tube shape that the processing of retainer is initially shaped to by the inventive method, makes the utilization rate of raw material carry significantly
Height, its stock utilization improves 30-45% than existing retainer processing method, while also reducing machining, has both reduced processing
Duration, improves operating efficiency, while also reducing material consumption, saves energy consumption, therefore this method method can lower bearing guarantor significantly
Hold the manufacturing cost of frame.
Brief description of the drawings
Fig. 1 is the structural representation of retainer involved in the present invention.
Fig. 2 is to produce the billot schematic diagram that the steel plate of retainer is cut into.
Fig. 3 is that billot is wound into circular pipe workpiece and abutment joint carries out the circular pipe workpiece schematic diagram of welding formation.
Fig. 4 is that the schematic diagram before shaping compacting is carried out to circular pipe workpiece with compacting tool set M2.
Fig. 5 is that compacting tool set M2 carries out forming the schematic diagram with pre- flanging Taper Pipe after shaping compacting to circular pipe workpiece.
Fig. 6 is that folding bed die tool M3 is suppressed pre- flanging, forms the flanging 11 for meeting design requirement.
Fig. 7 is the schematic diagram that the isosceles trapezoid hole for placing taper roller is processed on punch press.
Fig. 8 is the R arc-shaped edges schematic diagrames formed through turnery processing.
Fig. 9 is to carry out domatic compacting schematic diagram to the hole wall in taper tube workpiece G upper trapezoids hole with pressure slope mould M4.
Figure 10 is the top view of domatic compacting schematic diagram shown in Fig. 9.
Figure 11 is the sectional view at retainer A-A shown in Fig. 1.
Figure 12 is the schematic diagram before being radially expanded with compacting tool set M5 to taper tube workpiece G.
Figure 13 is that retainer body 1 ' is formed after being radially expanded with compacting tool set M5 to taper tube workpiece G.
Figure 14 is the processing method of present technology.
Embodiment
For retainer 1 as shown in Figure 1, the present embodiment is processed using specific steps described as follows.
Step one：Billot is cut, and the steel plate for making retainer is cut into billot E as shown in Figure 2, the present embodiment
Use the steel plate for the carbon constructional quality steel that thickness is 0.2-6mm.
Step 2：Circular pipe workpiece is made, by above-mentioned billot E on winding mould M1, circular tube shaped is made, and adopt
Welded with medium frequency inverter electric resistance welding abutment joint, welding stability and welding quality improved by medium frequency inverter electric resistance welding,
Reduction energy consumption and wear to electrodes form circular pipe workpiece F, such as Fig. 3 so as to reduce operating cost after welding.
Step 3：It is compressing, such as Fig. 4, by the upper mould M21 in compacting tool set M2 by circular pipe workpiece F cylinder face pressure
Rise into by circular conical surface 10, while making the inside bending of the smaller diameter end of circular conical surface by the lower mould M22 in mould M2, to the bottom of retainer
Side 11 is pre-folded, formed with the conical surface in obtuse angle pre-fold base 11 ', such as Fig. 5, it is small that the step is pressed into circular pipe workpiece F
Diameter end has the taper tube workpiece G ' for pre-folding base.
Step 4：Roll over base, such as Fig. 6, by roll over bed die have upper mould M31 and lower mould M32 in M3 to pre-folding base 11 '
Carry out to pressure, to carry out bending angle adjustment to pre-folding base, make the base 11 of bending and the folder of taper tube workpiece circular conical surface 10
Angle reaches sets requirement as shown in Figure 1, i.e. the angle of the baseplane vertical with conical pipe axis of workpiece is 10 °, because of the angle
With the angle supplementary angles on taper tube workpiece circular conical surface and base 11, then taper tube workpiece circular cone and the angle on base 11 be 90 °-
10 °=80 °, form the taper tube workpiece G with base.
Step 5：Process isosceles trapezoid hole, rushed on the taper tube workpiece G conical surface 10 it is some be evenly distributed it is trapezoidal
Hole, the trapezoidal hole is such as Fig. 7 for placing the roller 2 in bearing.Processed using punch press, taper tube workpiece G is arranged on punch press
On H index dial H1, and make the pressing direction of the conical surface 10 and punch press upper punch H2（The direction of arrow in figure）Vertically, drift is in punching
Pressure is completed after a trapezoidal hole 12, and index dial H1 rotates an angle, the drift then next trapezoidal hole of punching press, until processing
All holes on the conical surface, trapezoidal hole being uniformly distributed on the conical surface is to ensure its position essence by the high-precision rotation of index dial
Degree.
Step 6：Che Bian, the turning passed through carries out going the processing of rib to taper tube workpiece larger diameter end face, make the end edge into
For R arc-shaped edges, such as Fig. 8.
Step 7：Pressure slope processing, pressure slope is carried out using pressure slope mould to the hole wall of trapezoidal hole, domatic to be formed.Such as Fig. 9,
10, pressure slope mould M4 are made up of positioning disk M42, the block M41 and several briquettings M43 that rises, and positioning disk M42 is uniform in its disc face
Some guide pad M421, several briquettings M43 are slidably connected at corresponding guide pad M421 by the chute M431 of bottom respectively
On, make it to move radially along guide pad M421, one end that each briquetting M43 corresponds to disc face center is provided with internal conical surface,
And the block M41 that rises is slidably connected in the hole M431 at positioning disk M42 centers, its upper end is frustum of a cone M411, frustum of a cone M411's
Circular conical surface is adapted with the internal conical surface of guide pad M421 one end, when briquetting M43 is moved upwards, is promoted and pressed by the circular conical surface
Block M43 is moved into the trapezoidal hole 12 on the taper tube workpiece G conical surfaces, and briquetting M43 front ends are provided with symmetrically arranged inclined-plane M432,
Inclined-plane M432 by the corresponding aperture wall pressure of trapezoidal hole 12 into domatic 121, such as Figure 11.
Step 8：Radial dilatation, in order to reach the radial dimension needed for retainer, using radial dilatation mould M5, expansion
Mould M5 has the taper surface corresponding with the size needed for retainer, with inner cones of the dilatation mold M5 to taper tube workpiece G
Face is radially expanded, such as Figure 12, forms the retainer body 1 ' for meeting radial dimension requirement, such as Figure 13.
Step 9：Bead is carried out to the retainer body, flash removed, acute angle is removed, and carries out surface peening, is formed such as
Retainer 1 shown in Fig. 1.
Claims (8)
1. a kind of processing method of retainer, it is characterised in that comprise the following steps：
The steel plate for making the retainer is cut into rectangle billot；
The billot is wound into circular tube shaped, and abutment joint is welded, and forms circular pipe workpiece；
Processing and forming is carried out to the circular pipe workpiece, forming smaller diameter end has the taper tube workpiece for pre-folding base；
Bending angle adjustment is carried out to the base that pre-folds of taper tube workpiece, the base of bending is met design requirement；
Some trapezoidal holes being evenly distributed are processed on the conical surface of taper tube workpiece, are processed using punch press, by taper tube workpiece
It is arranged on the index dial of punch press, makes the workpiece conical surface vertical with the pressing direction of punch press upper punch, drift completes one in punching press
After trapezoidal hole, index dial rotates an angle, and the drift then next trapezoidal hole of punching press is all on the conical surface until processing
Hole；
The taper tube workpiece larger diameter end is carried out to go rib to process；
Pressure slope processing is carried out to the trapezoidal hole, so that hole wall turns into domatic；
Processing is radially expanded to the taper tube workpiece, the retainer body for meeting radial dimension requirement is formed；
Bead is carried out to the retainer body, the retainer product for meeting hardness requirement is formed.
2. the processing method of a kind of retainer according to claim 1, it is characterised in that the billot is in a mould
On be wound into circular pipe workpiece shape.
3. the processing method of a kind of retainer according to claim 2, it is characterised in that by mould to the circle
Tube workpiece carries out processing and forming, and the face of cylinder of circular pipe workpiece is pressed into circular conical surface, and to the smaller diameter end of circular conical surface to infolding
It is curved, formed with the conical surface in obtuse angle pre-fold base.
4. the processing method of a kind of retainer according to claim 3, it is characterised in that by mould to pre-folding bottom
Side carries out bending angle adjustment, and it is acute angle to make the base of bending and the angle of the circular conical surface.
5. the processing method of a kind of retainer according to claim 1, it is characterised in that the abutment joint is welded
Connect is to use medium frequency inverter electric resistance welding.
6. a kind of processing method of retainer according to claim 1, it is characterised in that：The taper tube workpiece is big
The outer edge of diameter end goes the corner angle processing to be turning by the R circular arcs to the outer edge.
7. the processing method of a kind of retainer according to claim 1, it is characterised in that the trapezoidal hole hole wall
It is domatic to suppress to be formed by pressure slope mould.
8. a kind of processing method of retainer according to claim 1, it is characterised in that the taper tube workpiece footpath
Suppressed to expansion using mould and reach required radial dimension.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510189296.0A CN104847795B (en) | 2015-04-20 | 2015-04-20 | A kind of processing method of retainer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510189296.0A CN104847795B (en) | 2015-04-20 | 2015-04-20 | A kind of processing method of retainer |
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| Publication Number | Publication Date |
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| CN104847795A CN104847795A (en) | 2015-08-19 |
| CN104847795B true CN104847795B (en) | 2017-07-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510189296.0A Active CN104847795B (en) | 2015-04-20 | 2015-04-20 | A kind of processing method of retainer |
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Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108262592B (en) * | 2017-10-10 | 2020-02-11 | 湖北江山专用汽车有限公司 | Forming method of steel automobile mudguard |
| DE102019201561A1 (en) | 2019-02-07 | 2020-08-13 | Aktiebolaget Skf | Bearing cage segment of a sheet metal cage |
| DE102019201554A1 (en) * | 2019-02-07 | 2020-08-13 | Aktiebolaget Skf | Bearing cage segment with welding material point |
| DE102019201565A1 (en) | 2019-02-07 | 2020-08-13 | Aktiebolaget Skf | Bearing cage segment with an abutting edge in the area of a web to be formed |
| DE102019201553A1 (en) | 2019-02-07 | 2020-08-13 | Aktiebolaget Skf | Bearing cage segment with alignment element |
| DE102019201560A1 (en) | 2019-02-07 | 2020-08-13 | Aktiebolaget Skf | Bearing cage segment with abutting edge for welding |
| DE102021206285A1 (en) | 2021-06-18 | 2022-12-22 | Aktiebolaget Skf | Cage segment for a roller bearing cage |
| DE102021206282A1 (en) | 2021-06-18 | 2022-12-22 | Aktiebolaget Skf | Cage segment for a roller bearing cage |
| DE102021117777B3 (en) | 2021-07-09 | 2022-10-06 | Hsp Schwahlen Gmbh | Method and device for producing a roller bearing cage from a sleeve-shaped blank and roller bearing cage |
| CN113714737A (en) * | 2021-08-09 | 2021-11-30 | 无锡易通精密机械股份有限公司 | Shaping process of wind power bearing retainer with high tightness |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB153867A (en) * | 1919-11-13 | 1921-09-08 | Bock Bearing Company | Improvements in and relating to roller bearings |
| JP2001038440A (en) * | 1999-07-26 | 2001-02-13 | Nsk Ltd | Manufacture of conic roller bearing cage |
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|---|---|---|---|---|
| US4212095A (en) * | 1978-02-13 | 1980-07-15 | Warchol Henry A | Bearing components and methods of making same |
| JPH11101240A (en) * | 1997-09-26 | 1999-04-13 | Ntn Corp | Holder for conical roller bearing and manufacture thereof |
| JP2001165170A (en) * | 1999-12-03 | 2001-06-19 | Nsk Ltd | Method of manufacturing rolling bearing cage |
| CN1340665A (en) * | 2000-09-01 | 2002-03-20 | 朱松良 | Technology for machining bearing holder |
| JP4042670B2 (en) * | 2003-09-25 | 2008-02-06 | 株式会社ジェイテクト | Method for manufacturing roller bearing cage |
| CN101672329B (en) * | 2009-07-22 | 2011-10-19 | 宁波达克轴承有限公司 | Bearing retainer and machining technique thereof |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB153867A (en) * | 1919-11-13 | 1921-09-08 | Bock Bearing Company | Improvements in and relating to roller bearings |
| JP2001038440A (en) * | 1999-07-26 | 2001-02-13 | Nsk Ltd | Manufacture of conic roller bearing cage |
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| Publication number | Publication date |
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| CN104847795A (en) | 2015-08-19 |
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