CN101922516A - Simple pressing method of no-turned-edge dust cover of thin-wall bearing - Google Patents
Simple pressing method of no-turned-edge dust cover of thin-wall bearing Download PDFInfo
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- CN101922516A CN101922516A CN 201010254883 CN201010254883A CN101922516A CN 101922516 A CN101922516 A CN 101922516A CN 201010254883 CN201010254883 CN 201010254883 CN 201010254883 A CN201010254883 A CN 201010254883A CN 101922516 A CN101922516 A CN 101922516A
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- dust cover
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Abstract
The invention relates to a simple pressing method of a no-turned-edge dust cover of a thin-wall bearing, comprising the following steps of: manufacturing a positioning mandrel (4) and a pressing sleeve (5); when the no-turned-edge dust cover is pressed, flatly placing the thin-wall bearing on a worktable, wherein an outer-ring thrust flange (1.1) of the thin-wall bearing is upward; assembling the positioning mandrel into a bearing inner ring; sleeving the pressed no-turned-edge dust cover (3) on the positioning mandrel; then, sleeving the pressing sleeve, aiming the pressed no-turned-edge dust cover by a lug boss surface of the pressing sleeve; and moving the pressing sleeve along the positioning mandrel downwards by a pressure machine to press the pressed no-turned-edge dust cover into a dustproof groove of the thin-wall bearing. The no-turned-edge dust cover is evenly stressed when being pressed into the dustproof groove, the pressing process is quicker at the same time, and the momentary deformation of the no-turned-edge dust cover can be restored as soon as possible by using the self elasticity of the no-turned-edge dust cover. The pressing method is very simple but has very ideal effect, the no-turned-edge dust cover can not drop and loose after being pressed, the defective index of the no-turned-edge dust cover is greatly reduced in a pressing process, and the installation precision of the thin-wall bearing is not influenced directly.
Description
Technical field
The invention belongs to bearing mounting technology field, relate in particular to a kind of simple pressing method of no-turned-edge dust cover of thin-wall bearing.
Background technique
Thin-wall bearing adopts crimping formula dust cover sealing configuration more.
To crimping formula dust cover, adopt punching press assembling, at first dust cover is placed on the dustproof groove of thin-wall bearing, utilize Die for pressing cap that the dust cover punching press is advanced to prevent dust in the groove then.Because this press-fit approach is very high to the Geometrical Tolerance Principle of dustproof groove and crimping formula dust cover, easily produce crimping formula dust cover can not enter in the dustproof groove fully or go into groove after crimping formula dust cover easily produce loosening, the up-to-standard rate of punching press assembling is low, and it is stressed bigger in the punching press assembly process, the inside and outside lasso of crimping formula dust cover and thin-wall bearing very easily deforms, and has influenced the running accuracy and the working life of thin-wall bearing.
No crimping type shield is difficult for adopting above-mentioned press-fit approach.
Summary of the invention
For addressing the above problem, the invention provides a kind of simple pressing method of no-turned-edge dust cover of thin-wall bearing, this pressing method is easy to operate, stressed evenly, can improve the assembly reliability of no-turned-edge dust cover of thin-wall bearing greatly, effectively guarantees the running accuracy and the working life of thin-wall bearing.
For achieving the above object, the present invention adopts following technological scheme:
The simple pressing method of described no-turned-edge dust cover of thin-wall bearing is to make alignment axis and gland earlier, it is cylindric that described alignment axis is step, the maximum outside diameter Φ D≤quilt of alignment axis press-fits the internal diameter of no crimping type shield, the internal diameter of the minimum diameter Φ d=bearing inner race of alignment axis; Described gland has the boss shape, and the through hole internal diameter of gland equates with the largest diameter D of alignment axis, the minimum diameter of the external diameter at gland boss place≤outer ring thrust rib; When press-fiting, earlier thin-wall bearing is lain on the worktable, this moment, the outer ring thrust rib of thin-wall bearing made progress, packed in the endoporus of bearing inner race to determine that alignment axis is positioned in the endoporus of bearing inner race in the minimum diameter Φ d place of alignment axis, put at the largest diameter D place of alignment axis and to be press-fited no crimping type shield, and then put gland at the largest diameter D place of alignment axis, the boss face of gland is aimed at and is press-fited no crimping type shield, by press machine gland is moved downward along alignment axis, the boss place of gland will be press-fited no crimping type shield and will be pressed in the dustproof groove of thin-wall bearing.
Because adopt aforesaid technological scheme, the present invention produces following effect:
No crimping type shield is made by metal usually and is thin wall shape, the external diameter of no crimping type shield is a bit larger tham the minimum diameter of outer ring thrust rib, be designed to outer ring thrust rib horn-like during design, this horn-like outer ring thrust rib has leading role in press-fiting process, do not contact fully with the boss place of gland and there is crimping type shield, therefore it is stressed even in the process that is pressed into dustproof groove not have crimping type shield, utilize self elasticity of no crimping type shield to reduce its distortion, do not fall lid after being pressed into, not loose lid, effect is very desirable, greatly reduce the reject rate that press-fits no crimping type shield in the process, and the installation precision of thin-wall bearing is not had a direct impact.
Description of drawings
Fig. 1 is the simple and easy schematic representation of pressing method of the present invention;
Fig. 2 is the A portion enlarged diagram of Fig. 1;
Among the above-mentioned figure: the 1-bearing outer ring; 1.1-outer ring thrust rib; The 2-bearing inner race; 3-does not have crimping type shield; The 4-alignment axis; The 5-gland.
Embodiment
In conjunction with Fig. 1-2, the simple pressing method of no-turned-edge dust cover of thin-wall bearing of the present invention is to make alignment axis 4 and gland 5 earlier.
It is cylindric that described alignment axis 4 is step, the maximum outside diameter Φ D≤quilt of alignment axis 4 press-fits the internal diameter (or internal diameter of the groove that prevents dust on the maximum outside diameter Φ D=bearing inner race 2 of alignment axis 4) of no crimping type shield 3, the internal diameter of the minimum diameter Φ d=bearing inner race 2 of alignment axis 4, alignment axis and bearing inner race adopt Spielpassung, to guarantee location, the leading role of alignment axis in bearing inner race.
Described gland 5 has the boss shape, and the through hole internal diameter of gland 5 equates and belong to big Spielpassung with the largest diameter D of alignment axis 4, the minimum diameter of the external diameter at gland 5 boss places≤outer ring thrust rib 1.1.Outer ring thrust rib 1.1 is horn-like.
Different thin-wall bearings has different internal diameters and external diameter, so the corresponding size of alignment axis 4 and gland 5 also will be along with the internal diameter of thin-wall bearing and external diameter change and change, and this is those skilled in the art's a common practise, repeats no more.
No crimping type shield is made by metal usually and is thin wall shape, and the external diameter of no crimping type shield is a bit larger tham the minimum diameter of outer ring thrust rib.
Pressing method with 61804-Z/HV P4 thin-wall bearing dust cover is an example, and this moment, bearing outer ring 1 and bearing inner race 2 were finished the assembling of steel ball and retainer:
When press-fiting, earlier the P4 thin-wall bearing is lain on the worktable, this moment, the outer ring thrust rib 1.1 of P4 thin-wall bearing made progress, packed in the endoporus of bearing inner race 2 to determine that alignment axis 4 is positioned in the endoporus of bearing inner race 2 in the minimum diameter Φ d place of alignment axis 4, put at the largest diameter D place of alignment axis 4 and to be press-fited no crimping type shield 3, and then put gland 5 at the largest diameter D place of alignment axis 4, the boss face of gland 5 is aimed at and is press-fited no crimping type shield 3, by press machine (or heavily loaded piece) gland 5 is moved downward along alignment axis 4, the boss place of gland 5 will be press-fited no crimping type shield 3 and will be pressed in the dustproof groove of thin-wall bearing.In said process, no crimping type shield 3 contacts fully with the boss place of gland 5, therefore it is stressed even in the process that is pressed into dustproof groove not have crimping type shield 3, the process that press-fits simultaneously is very fast, utilize self elasticity of no crimping type shield to be pressed in the groove that prevents dust, the short time set of no crimping type shield can be replied as early as possible.Though pressing method of the present invention is very simple and easy, effect is very desirable, does not fall lid, not loose lid after being pressed into, and greatly reduces the reject rate that press-fits no crimping type shield 3 in the process, and the installation precision of P4 thin-wall bearing is not had a direct impact.
Gland 5 can be selected for use with P4 thin-wall bearing identical materials and make.
Claims (1)
1. the simple pressing method of a no-turned-edge dust cover of thin-wall bearing, it is characterized in that: make alignment axis (4) and gland (5) earlier, it is cylindric that described alignment axis (4) is step, the maximum outside diameter Φ D≤quilt of alignment axis (4) press-fits the internal diameter of no crimping type shield (3), the internal diameter of the minimum diameter Φ d=bearing inner race (2) of alignment axis (4); Described gland (5) has the boss shape, and the through hole internal diameter of gland (5) equates with the largest diameter D of alignment axis (4), the minimum diameter of the external diameter at gland (5) boss place≤outer ring thrust rib (1.1); When press-fiting, earlier thin-wall bearing is lain on the worktable, this moment, the outer ring thrust rib (1.1) of thin-wall bearing made progress, packed in the endoporus of bearing inner race (2) to determine that alignment axis is positioned in the endoporus of bearing inner race in the minimum diameter Φ d place of alignment axis (4), put at the largest diameter D place of alignment axis (4) and to be press-fited no crimping type shield (3), and then put gland (5) at the largest diameter D place of alignment axis (4), the boss face of gland (5) is aimed at and is press-fited no crimping type shield (3), by press machine gland is moved downward along alignment axis, the boss place of gland (5) will be press-fited no crimping type shield (3) and will be pressed in the dustproof groove of thin-wall bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010254883 CN101922516A (en) | 2010-08-11 | 2010-08-11 | Simple pressing method of no-turned-edge dust cover of thin-wall bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010254883 CN101922516A (en) | 2010-08-11 | 2010-08-11 | Simple pressing method of no-turned-edge dust cover of thin-wall bearing |
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| CN101922516A true CN101922516A (en) | 2010-12-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201010254883 Pending CN101922516A (en) | 2010-08-11 | 2010-08-11 | Simple pressing method of no-turned-edge dust cover of thin-wall bearing |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105351379A (en) * | 2015-12-14 | 2016-02-24 | 上海联合滚动轴承有限公司 | Single-process pressing device for two-way sealing cover of railway bearing |
| CN107448485A (en) * | 2017-09-28 | 2017-12-08 | 中山市盈科轴承制造有限公司 | Bearing seal check ring riveting die |
| CN109611446A (en) * | 2018-12-07 | 2019-04-12 | 文金凤 | A kind of nonstandard bearing and its production technology |
| CN109807594A (en) * | 2019-03-26 | 2019-05-28 | 苏州市东吴滚针轴承有限公司 | A kind of needle bearing sealing ring press-fitting mould |
| CN110469580A (en) * | 2019-07-31 | 2019-11-19 | 无锡诚石轴承有限公司 | A kind of column type cabinet air-conditioner moving part bearing |
| CN111594552A (en) * | 2020-04-24 | 2020-08-28 | 黄山震壹精密机械有限公司 | Assembling equipment and assembling method for dust cover of miniature bearing |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61112819A (en) * | 1984-11-06 | 1986-05-30 | Matsushita Electric Ind Co Ltd | Press-fit/remedy of metal bearing |
| CN201011364Y (en) * | 2007-02-13 | 2008-01-23 | 林旦 | Installation apparatus for bearing dust-proof cover |
| CN201059320Y (en) * | 2007-06-25 | 2008-05-14 | 李鹏程 | Bearing dust cap integral delivering and pressing apparatus |
-
2010
- 2010-08-11 CN CN 201010254883 patent/CN101922516A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61112819A (en) * | 1984-11-06 | 1986-05-30 | Matsushita Electric Ind Co Ltd | Press-fit/remedy of metal bearing |
| CN201011364Y (en) * | 2007-02-13 | 2008-01-23 | 林旦 | Installation apparatus for bearing dust-proof cover |
| CN201059320Y (en) * | 2007-06-25 | 2008-05-14 | 李鹏程 | Bearing dust cap integral delivering and pressing apparatus |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105351379A (en) * | 2015-12-14 | 2016-02-24 | 上海联合滚动轴承有限公司 | Single-process pressing device for two-way sealing cover of railway bearing |
| CN107448485A (en) * | 2017-09-28 | 2017-12-08 | 中山市盈科轴承制造有限公司 | Bearing seal check ring riveting die |
| CN107448485B (en) * | 2017-09-28 | 2023-04-25 | 中山市盈科轴承制造有限公司 | Bearing sealing retainer ring riveting die |
| CN109611446A (en) * | 2018-12-07 | 2019-04-12 | 文金凤 | A kind of nonstandard bearing and its production technology |
| CN109807594A (en) * | 2019-03-26 | 2019-05-28 | 苏州市东吴滚针轴承有限公司 | A kind of needle bearing sealing ring press-fitting mould |
| CN110469580A (en) * | 2019-07-31 | 2019-11-19 | 无锡诚石轴承有限公司 | A kind of column type cabinet air-conditioner moving part bearing |
| CN111594552A (en) * | 2020-04-24 | 2020-08-28 | 黄山震壹精密机械有限公司 | Assembling equipment and assembling method for dust cover of miniature bearing |
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Open date: 20101222 |