CN202137269U - A die used for reducing an outer diameter of a bearing outer ring opening - Google Patents
A die used for reducing an outer diameter of a bearing outer ring opening Download PDFInfo
- Publication number
- CN202137269U CN202137269U CN201120205888U CN201120205888U CN202137269U CN 202137269 U CN202137269 U CN 202137269U CN 201120205888 U CN201120205888 U CN 201120205888U CN 201120205888 U CN201120205888 U CN 201120205888U CN 202137269 U CN202137269 U CN 202137269U
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- China
- Prior art keywords
- outer ring
- bearing outer
- die
- mold
- internal
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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.)
- Expired - Lifetime
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Abstract
The utility model relates to a bearing outer ring preparing die, specifically to a die used for reducing an outer diameter of a bearing outer ring opening. The die comprises an upper die and a lower die; the upper die comprises an outer die and an inner die sleeved and fixed with the outer die; an inner wall of the outer die comprises a working section, which comprises a feeding section, an opening narrowing section and a forming section successively from bottom to top; an inner diameter of the forming section is less than that of the feeding section; an inner diameter of the opening narrowing section decreases by degrees from bottom to top; and the lower die comprises a locating die and a locating die core, which is sleeved with the locating die and is used for sending a to-be-processed bearing outer ring to the outer die working section. Compared with a bearing outer ring opening processed with a conventional method, the bearing outer ring opening processed by the die is difficult to break and has a longer service lifetime.
Description
Technical field
The utility model relates to the preparation mould of bearing outer ring, a kind of especially mould that is used to dwindle bearing outer ring circle mouth external diameter.
Background technology
In order to make bearing outer ring be convenient to be connected with miscellaneous part, the ring edge position of the circle mouth of bearing outer ring often will be provided with guide section, promptly needs the reduced diameter with the bearing outer ring ring edge position; Yet; In the prior art, normally the mode with Vehicle Processing realizes dwindling of bearing outer ring circle mouth, promptly through the Vehicle Processing bearing outer ring ring edge position part material of pruning; Yet the mode working (machining) efficiency of this Vehicle Processing is low; And the metal flow of destructible bearing outer ring to, the stress of bearing outer ring is concentrated, in use cracked easily.
The utility model content
The purpose of the utility model provides a kind of mould that is used to dwindle bearing outer ring circle mouth external diameter, uses the external diameter that this kind mould dwindles bearing outer ring circle mouth, has solved disadvantages of background technology.
The above-mentioned technical purpose of the utility model is achieved through following technical scheme: a kind of mould that is used to dwindle bearing outer ring circle mouth external diameter, it comprises patrix and counterdie, patrix comprise external mold, with external mold socket and fixing internal mold; The inwall of said external mold comprises active section; Said active section comprises feed zone, reducing section, shaped segment from the bottom to top successively, and the shaped segment internal diameter is less than the internal diameter of feed zone; The internal diameter of the reducing section trend that tapers off from the bottom to top; Said counterdie comprise positioning module, with the location core rod of positioning module socket.
The internal diameter of feed zone should be consistent with the external diameter of bearing outer ring to be processed; Distance between the inwall of feed zone and the internal mold outer wall should be consistent with the thickest of the circle wall of bearing outer ring to be processed; The outer wall shape that internal mold is positioned at the part of external mold active section should match with the inner wall shape of bearing outer ring to be processed; Add man-hour, bearing outer ring to be processed is positioned on the core rod of location, and at this moment, the axis of bearing outer ring to be processed, the axis of location core rod, the axis of positioning module, the axis of external mold, the axis of internal mold all overlap; Through the location core rod is moved upward, thereby bearing outer ring to be processed is sent into patrix, the circle mouth of bearing outer ring to be processed gets into the reducing section through feed zone; The trend because the internal diameter of reducing section tapers off from the bottom to top; Therefore; The circle mouth of bearing outer ring to be processed is owing to the extruding of external mold is out of shape, and then dwindles the external diameter of bearing outer ring circle mouth, and the circle mouth after the distortion gets into shaped segment; Enclose the stress that mouth forms owing to extruding to eliminate, thus the shape after firmly the circle mouth is out of shape; This kind dwindles the mode of bearing outer ring circle mouth; Higher than the background technology working (machining) efficiency, and the action of the circle mouthful reduced diameter metal flow of complying with bearing outer ring to, can not make the stress concentrations of circle mouthful than background technology; And the utility model helps discharging owing to dwindling the stress that circle mouthful external diameter produces; Thereby, make the bearing outer ring circle mouth that gets through the utility model processing not easily broken, longer service life than background technology.
Preferred as the utility model, said internal mold is socketed with and is used for the core that relative internal mold moves up and down.
Being provided with of core is beneficial to after bearing outer ring circle mouth reduced diameter process, and bearing outer ring is ejected from patrix, promptly is convenient to the demoulding.
Preferred as the utility model, internal mold inwall bottom is round table-like; The core bottom is round table-like; And the base angle of two round platform longitudinal cross-sections equates.
Above-mentioned setting is in process, and core bottom outer wall is pasted with the inwall of internal mold bottom mutually, thereby makes the extruding force of the auxiliary internal mold antagonism of core bearing outer ring circle wall to the internal mold outer wall, to slow down the loss of internal mold, prolongs the service life of internal mold.
Preferred as the utility model, the diameter of said core bottom surface is identical with the internal diameter of internal mold bottom surface.
The external diameter of internal mold bottom should be consistent with the internal diameter of bearing outer ring to be processed bottom, thereby, make core bottom surface and internal mold bottom surface cover the inner bottom surface of bearing outer ring to be processed; Because if the diameter of core bottom surface less than internal mold 12 bottom surface internal diameters, then can cause the inner bottom surface of bearing outer ring to form recess, thereby destroy the diapire of bearing outer ring; If the diameter of core bottom surface then can't be realized processing greater than bearing outer ring to be processed bottom internal diameter.
Preferred as the utility model, 0mm to 0.10mm apart between the outer wall of the inwall of said positioning module and location core rod.
Realize moving up and down for convenient location core rod relative positioning mould, this should not have active force between the two; But if distance is excessive, then be prone to make the axis of bearing outer ring to be processed and the distance between the patrix axis excessive between the two, cause in processing, bearing outer ring to be processed can not get into patrix and mold damage and bearing outer ring to be processed smoothly.
In sum, the utlity model has following beneficial effect:
1, use the utility model and realize dwindling of bearing outer ring circle mouth external diameter, working (machining) efficiency is high than background technology;
2, use the utility model and realize dwindling of bearing outer ring circle mouth external diameter; In the process of circle mouthful reduced diameter, the metal flow that bearing outer ring is complied with in the action of circle mouthful reduced diameter to, can not make the stress concentrations of circle mouthful than background technology; And the utility model helps discharging owing to dwindling the stress that circle mouthful external diameter produces; Thereby, make the bearing outer ring circle mouth that gets through the utility model processing not easily broken, longer service life than background technology.
Description of drawings
Fig. 1 is the example structure sketch map;
Fig. 2 is a cast outer mold structure sketch map among the embodiment.
Among the figure, 1, patrix, 11, external mold, 111, active section, 1111, feed zone, 1112, the reducing section, 1113, shaped segment, 112, the interference linkage section, 12, internal mold, 13, core, 2, counterdie, 21, positioning module, 22, the location core rod, 3, bearing outer ring to be processed.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is done further explain.
This specific embodiment only is the explanation to the utility model; It is not the restriction to the utility model; Those skilled in the art can make the modification that does not have creative contribution to present embodiment as required after reading this specification, but as long as in the claim scope of the utility model, all receive the protection of Patent Law.
Embodiment: a kind of mould that is used to dwindle bearing outer ring circle mouth external diameter, shown in Fig. 1 to 2, it comprises patrix 1 and counterdie 2, patrix 1 comprise external mold 11, with external mold 11 sockets and fixing internal mold 12; Be connected for interference between internal mold 12 and the external mold 11.
The inwall of external mold 11 comprises active section 111 and interference linkage section 112 from the bottom to top; The part that internal mold 12 is positioned at interference linkage section 1 is connected with external mold 11 interference.
Patrix 1 also comprises the core 13 that moves up and down with internal mold 12 sockets and relative internal mold 12, thereby is convenient to demoulding; Internal mold 12 inwall bottoms are round table-like; Core 13 bottoms are round table-like; And the base angle of two round platform longitudinal sections equates; Thereby in process; Core 13 bottom outer walls are pasted with the inwall of internal mold 12 bottoms mutually; Thereby make the extruding force of core 13 auxiliary internal mold 12 antagonism bearing outer ring 3 circle walls to be processed,, prolong the service life of internal mold 12 to slow down the loss of internal mold 12 to internal mold 12 outer walls; The diameter of core 13 bottom surfaces is identical with the internal diameter of internal mold 12 bottom surfaces, and the external diameter of internal mold 12 bottoms should be consistent with the internal diameter of bearing outer ring to be processed 3 bottoms, thereby, make core 13 bottom surfaces can cover the inner bottom surface of bearing outer ring to be processed 3 with internal mold 12 bottom surfaces; Because if the diameter of core 13 bottom surfaces less than internal mold 12 bottom surface internal diameters, then can cause the inner bottom surface of bearing outer ring to form recess, thereby destroy the diapire of bearing outer ring; If the diameter of core 13 bottom surfaces greater than bearing outer ring 3 bottom internal diameters to be processed, then can't be realized processing.
Outer wall and the inner wall shape of bearing outer ring to be processed 3 that internal mold 11 is positioned at the part of active section 111 match.
Counterdie 2 comprises positioning module 21, with positioning module 21 sockets and be used for bearing outer ring 3 to be processed is sent into the location core rod 22 of external mold 11 active sections 111; Between the outer wall of the inwall of positioning module 21 and location core rod 22 at a distance of 0mm to 0.10mm; Realize moving up and down for convenient location core rod 22 relative positioning moulds 21, this should not have active force between the two; But if distance is excessive, then be prone to make the axis of bearing outer ring 3 to be processed and the distance between patrix 1 axis excessive between the two, cause in processing, bearing outer ring 3 to be processed can not get into patrix 1 and mold damage and bearing outer ring to be processed 3 smoothly.
Tolerance between the external diameter of the internal diameter of feed zone 1111 and bearing outer ring to be processed 3 is-0.01mm to 0.02mm.
Tolerance is 0mm to 0.03mm between the external diameter of internal mold 12 and bearing outer ring to be processed 3 internal diameters.
Claims (5)
1. a mould that is used to dwindle bearing outer ring circle mouth external diameter is characterized in that, it comprise patrix (1) and counterdie (2), patrix (1) comprise external mold (11), with external mold (11) socket and fixing internal mold (12); The inwall of said external mold (11) comprises active section (111); Said active section (111) comprises feed zone (1111), reducing section (1112), shaped segment (1113) from the bottom to top successively, and shaped segment (1113) internal diameter is less than the internal diameter of feed zone (1111); The internal diameter of reducing section (1112) trend that tapers off from the bottom to top; Said counterdie (2) comprise positioning module (21), with the location core rod (22) of positioning module (21) socket.
2. a kind of mould that is used to dwindle bearing outer ring circle mouth external diameter according to claim 1 is characterized in that, said internal mold (12) is socketed with and is used for the core (13) that relative internal mold (12) moves up and down.
3. a kind of mould that is used to dwindle bearing outer ring circle mouth external diameter according to claim 2 is characterized in that internal mold (12) inwall bottom is round table-like; Core (13) bottom is round table-like; And the base angle of two round platform longitudinal cross-sections equates.
4. a kind of mould that is used to dwindle bearing outer ring circle mouth external diameter according to claim 3 is characterized in that, the diameter of said core (13) bottom surface is identical with the internal diameter of internal mold (12) bottom surface.
5. a kind of mould that is used to dwindle bearing outer ring circle mouth external diameter according to claim 1 is characterized in that, between the outer wall of the inwall of said positioning module (21) and location core rod (22) at a distance of 0mm to 0.10mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120205888U CN202137269U (en) | 2011-06-18 | 2011-06-18 | A die used for reducing an outer diameter of a bearing outer ring opening |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120205888U CN202137269U (en) | 2011-06-18 | 2011-06-18 | A die used for reducing an outer diameter of a bearing outer ring opening |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202137269U true CN202137269U (en) | 2012-02-08 |
Family
ID=45548348
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120205888U Expired - Lifetime CN202137269U (en) | 2011-06-18 | 2011-06-18 | A die used for reducing an outer diameter of a bearing outer ring opening |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202137269U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103230978A (en) * | 2013-05-17 | 2013-08-07 | 衡阳风顺车桥有限公司 | Necking die of strengthening isolating sleeve of automobile |
| CN103464628A (en) * | 2013-09-09 | 2013-12-25 | 济南百惠汽车零部件有限责任公司 | Device for connecting air cylinder barrel and air cylinder cover necking port |
-
2011
- 2011-06-18 CN CN201120205888U patent/CN202137269U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103230978A (en) * | 2013-05-17 | 2013-08-07 | 衡阳风顺车桥有限公司 | Necking die of strengthening isolating sleeve of automobile |
| CN103464628A (en) * | 2013-09-09 | 2013-12-25 | 济南百惠汽车零部件有限责任公司 | Device for connecting air cylinder barrel and air cylinder cover necking port |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120208 |
|
| CX01 | Expiry of patent term |