CN204784207U - Accurate alternately cylindrical roller bearing of inner circle terminal surface area breach end cap structural formula - Google Patents
Accurate alternately cylindrical roller bearing of inner circle terminal surface area breach end cap structural formula Download PDFInfo
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- CN204784207U CN204784207U CN201520284531.8U CN201520284531U CN204784207U CN 204784207 U CN204784207 U CN 204784207U CN 201520284531 U CN201520284531 U CN 201520284531U CN 204784207 U CN204784207 U CN 204784207U
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- cylindrical roller
- breach
- inner circle
- terminal surface
- roller bearing
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Abstract
The utility model discloses an accurate alternately cylindrical roller bearing of inner circle terminal surface area breach end cap structural formula, including outer lane (1), inner circle (4), cylindrical roller (2), sealing washer (6), characterized by: the outer raceway of outer lane is " V " font, and the interior raceway of inner circle is " V " font, and just outer raceway and interior raceway are 90 contained angle slots respectively, the breach is seted up to inner circle (4) terminal surface, and this breach department embedded end cap (3) laminates with inner circle terminal surface breach each other. The utility model discloses a set up an assembly breach end cap in cylindrical roller bearing inner race terminal surface department alternately, reach to put into production and make the alternative distribution situation that to observe roller and spacing block in the assembly directly perceivedly, avoid the phenomenon of few dress, neglected loading, misloading to take place, reach sparingly assemble duration, improvement assembly quality's purpose.
Description
Technical field
The utility model belongs to roller bearing technical field, particularly relates to a kind of accurate crossed cylindrical roller bearing being applied to robot harmonic wave speed reducing machine.Be widely used in the field such as harmonic reducer of robot and accurate mechanical equipment.
Background technique
As everyone knows, accurate crossed cylindrical roller bearing is little by means of its size, bearing capacity large, running accuracy advantages of higher, is widely used in the key position of harmonic reducer of robot.At present, the structure of accurate crossed cylindrical roller bearing mainly contains: inside and outside circle one band plunger minor; Outer ring is split type; Several forms such as inner ring is split type.
Along with the continuous expansion of industrial robot application area, some manufacturing enterprises start research and development and the production of cutting robot retarder gradually, also attempt the accurate crossed cylindrical roller bearing of exploitation, but still do not break through the structural model of traditional accurate crossed cylindrical roller bearing, especially large for kind of bearings slenderness ratio coefficient, lasso effective thickness size is larger, when cylindrical roller diameter and spacing block are all less, if still adopt cylindrical plug structural type to design crossed cylindrical roller bearing, larger difficulty and risk will be brought to assembly quality.Be mainly manifested in: one is because stopper aperture is less and deep again, adopts tweezers assistant tool to be also difficult to roller to be correctly embedded in plug hole, therefore cannot realize the normal production of bearing assemble; Even if two is that roller and spacing block can freely enter in stopper aperture, also be difficult to identify in plug hole, whether cylindrical roller and the supporting assembling arrangement of spacing block hold water, thus cause bearing shaft to unbalanced with radial stand under load, lose flexibility of revolution and occur stuck phenomenon.In order to fundamentally solve above-mentioned assembling practical difficulty, just must change the mode of thinking, innovating the structural design of accurate crossed cylindrical roller bearing assemble.
Summary of the invention
The purpose of this utility model is the accurate crossed cylindrical roller bearing proposing a kind of inner ring end face band breach stopper structure formula, by offering an assembling breach plug in crossed cylindrical roller bearing inner race end, reach manufacture in assembling can observe roller and spacing block intuitively be alternately distributed situation, avoid the phenomenon generation of few dress, neglected loading, misloading, reach saving installation time, improve the object of assembly quality.
The utility model realizes the technological scheme that above-mentioned purpose takes: a kind of accurate crossed cylindrical roller bearing of inner ring end face band breach stopper structure formula, comprise outer ring, inner ring, cylindrical roller, seal ring, the outer raceway of described outer ring is in " V " font, the interior raceway of inner ring is in " V " font, and outer raceway and interior raceway are respectively 90 ° of angle grooves; Offer breach at described inner ring end face, the embedded plug of this indentation, there and inner ring end face breach bonded to each other.
Plug described in the utility model and inner ring end face breach adopt screw attachment to fix.
The utility model and traditional inside and outside circle unitary tape cylindrical plug difference are: the plug hole of existing inside and outside circle unitary tape cylindrical plug is ream after drilling is processed, stopper and plug hole are prepared, and stopper is connected on inner ring or outer ring radial surface by taper pin.Import cylindrical roller and spacing block by plug hole during assembling, it is slightly larger that this kind of structure comparison is applicable to cylindrical roller diameter, the crossed cylindrical roller bearing that lasso wall thickness is thinner.And it is little for bearing radial dimension, lasso slenderness ratio coefficient is large, especially the accurate crossed cylindrical roller bearing that cylindrical roller diameter is less than normal, just cannot correctly import cylindrical roller and spacing block by plug hole during assembling, simultaneously the distribution situation of also None-identified roller and spacing block.Cause rigger to be difficult to operation, assembly quality cannot ensure.
The present invention then by offering the outer raceway in " V " font on the inside diameter surface of outer ring, the external diameter surface of inner ring is offered raceway in " V " font, and offer assembling breach at inner ring end face, when being convenient to assembling, cylindrical roller and spacing block are loaded between outer ring raceway and inner ring raceway, that can see roller and spacing block so intuitively is alternately distributed situation, avoid the phenomenon generation producing few dress, neglected loading, misloading, save installation time, improve assembly quality.Have novel in structural design, assembly process process is good, is convenient to the advantage of production practical operation.
Accompanying drawing explanation
Fig. 1 is decomposition texture schematic diagram of the present utility model.
Fig. 2 is the utility model generalized section.
Fig. 3 is conventional design generalized section.
In figure: 1, outer ring, 2, cylindrical roller, 3, plug, 4, inner ring, 5, screw, 6, seal ring, 7, spacing block.
Embodiment
By reference to the accompanying drawings, by the mode of embodiment, the utility model is further described.
As Figure 1-3: the crossed cylindrical roller bearing of inner ring end face band breach stopper structure form described in the utility model comprises outer ring 1, inner ring 4, cylindrical roller 2, seal ring 6 and plug 3, the outer raceway of outer ring 1 is in " V " font, the interior raceway of inner ring 4 is in " V " font, and outer raceway and interior raceway are respectively 90 ° of angle grooves; At outer ring 1 inner diametric step and inner ring 4 outer radius, backbone sealing ring 6 is housed; Offer breach at inner ring 4 end face, the embedded plug of indentation, there 3 is bonded to each other with inner ring end face breach, adopts screw 5 to be connected and fixed.Concrete processing method is: after the roughing of inner ring outer surface, before processing raceway, in inner ring end with Linear cut mode machining gap, the size of breach is determined according to the Diagonal Dimension of filled roller, reprocess a plug matched with notch size, be embedded in breach, then carry out joining brill, tapping, with screw fastening, carry out interior raceway processing more subsequently.
During bearing assemble, lay down breach plug 3 on inner ring 4 end face, cylindrical roller 2 and spacing block 7 are loaded in raceway by inner ring end face indentation, there.Like this, just very intuitively reasonably meet Assembling Production requirement, avoid occurring that cylindrical roller and spacing block fill less, neglected loading, misloading phenomenon occur, operate both convenient, applicable, in turn save installation time, improve assembly quality.
Described crossed cylindrical roller bearing, material is GCr15, and heat treatment mode is integral quenching, and concrete processing technology is: forging, spheroidizing annealing, turnery processing, quenching add tempering, corase grind, stable process, fine grinding, grinding etc.Higher dimensional stability can be obtained by above-mentioned processing technology, and higher running accuracy.
Processing technology is common process, i.e. forging, spheroidizing annealing, turnery processing, quenching add tempering, grinding, stable process, grinding etc.Be specially: before quenching, first by after rough turn for inner ring outer surface processing, before processing raceway, in inner ring end with Linear cut mode machining gap, the size of breach is determined according to the Diagonal Dimension of filled roller, reprocess a plug matched with notch size, be embedded in breach, and carry out joining brill, with screw fastening, carry out rear operation processing more subsequently.Higher dimensional stability can be obtained by above-mentioned processing technology, and higher running accuracy.
Claims (2)
1. the accurate crossed cylindrical roller bearing of an inner ring end face band breach stopper structure formula, comprise outer ring (1), inner ring (4), cylindrical roller (2), seal ring (6), it is characterized in that: the outer raceway of described outer ring is in " V " font, the interior raceway of inner ring is in " V " font, and outer raceway and interior raceway are respectively 90 ° of angle grooves; Offer breach at described inner ring (4) end face, the embedded plug of this indentation, there (3) is bonded to each other with inner ring end face breach.
2. the accurate crossed cylindrical roller bearing of inner ring end face band breach stopper structure formula according to claim 1, is characterized in that: described plug (3) and inner ring (4) end face breach adopt screw (5) to be connected and fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520284531.8U CN204784207U (en) | 2015-05-06 | 2015-05-06 | Accurate alternately cylindrical roller bearing of inner circle terminal surface area breach end cap structural formula |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520284531.8U CN204784207U (en) | 2015-05-06 | 2015-05-06 | Accurate alternately cylindrical roller bearing of inner circle terminal surface area breach end cap structural formula |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204784207U true CN204784207U (en) | 2015-11-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520284531.8U Expired - Fee Related CN204784207U (en) | 2015-05-06 | 2015-05-06 | Accurate alternately cylindrical roller bearing of inner circle terminal surface area breach end cap structural formula |
Country Status (1)
| Country | Link |
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| CN (1) | CN204784207U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110657162A (en) * | 2019-09-20 | 2020-01-07 | 东莞市沃德精密机械有限公司 | Bearing and method for manufacturing harmonic reducer |
| CN110953245A (en) * | 2019-12-03 | 2020-04-03 | 深圳市山卓谐波传动科技有限公司 | Bearing assembly |
| CN110953305A (en) * | 2019-12-05 | 2020-04-03 | 深圳市山卓谐波传动科技有限公司 | Harmonic reducer assembly |
| CN111347178A (en) * | 2020-05-13 | 2020-06-30 | 常州奥旋重型轴承有限公司 | Integral bearing with bottom plate for laser cutting equipment |
-
2015
- 2015-05-06 CN CN201520284531.8U patent/CN204784207U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110657162A (en) * | 2019-09-20 | 2020-01-07 | 东莞市沃德精密机械有限公司 | Bearing and method for manufacturing harmonic reducer |
| CN110953245A (en) * | 2019-12-03 | 2020-04-03 | 深圳市山卓谐波传动科技有限公司 | Bearing assembly |
| CN110953305A (en) * | 2019-12-05 | 2020-04-03 | 深圳市山卓谐波传动科技有限公司 | Harmonic reducer assembly |
| CN111347178A (en) * | 2020-05-13 | 2020-06-30 | 常州奥旋重型轴承有限公司 | Integral bearing with bottom plate for laser cutting equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151118 Termination date: 20200506 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |