CN203585329U - Sealing structure for bearing of draw machine - Google Patents
Sealing structure for bearing of draw machine Download PDFInfo
- Publication number
- CN203585329U CN203585329U CN201320754408.9U CN201320754408U CN203585329U CN 203585329 U CN203585329 U CN 203585329U CN 201320754408 U CN201320754408 U CN 201320754408U CN 203585329 U CN203585329 U CN 203585329U
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- Prior art keywords
- bearing
- lubricating grease
- framework oil
- oil seal
- outside framework
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Abstract
The utility model provides a sealing structure for a bearing of a draw machine, and belongs to the field of textile machinery. The sealing structure for the bearing of the draw machine comprises a bearing bush, a bearing, a shaft and a front shaft end cap, and is characterized by also comprising a double-main-lip framework oil seal and an oil stopping plate, wherein the double-main-lip framework oil seal is arranged between the shaft and the front end bearing cap; and the annular oil stopping plate is arranged between the bearing and the double-main-lip framework oil seal. By using the sealing structure, the purposes of sealing oil in the draw machine and preventing corrosive liquid, corrosive gas, water, dust and the like from entering a bearing cavity are achieved.
Description
Technical field
The utility model relates to field of textile machinery, particularly a kind of sealing configuration of drafting machine bearing.
Technical background
Drafting machine is a kind of common equipment on chemical fibre factory's spinning production line, and for tow is carried out to drawing-off by certain degree of draft, to reach the technological requirement of tow, drafting process is to realize by the linear differential of draw roll on two adjacent drafting machines of front and back.The quality of drafting machine oil sealing sealing, is not only related to and uses on-the-spot environmental hygiene, is also related to the working life of oil sealing, bearing, and can even become drafting machine normally, the key of continuous operation.The drafting machine of working under corrosive environment, according to the difference of extent of corrosion, corrosive material is divided into water, corrosive liquids, corrosive gas etc., the now effect of sealing configuration is internal oil sealing, externally dustproof, also will prevent the infiltration of corrosive material, this sealing to sealing configuration has proposed very high requirement.
At present, on market, common drafting machine bearing seal adopts bag outside framework oil seal in two single lips, and a lip is towards bearing, and a lip, towards draw roll, can effectively be realized internal oil sealing, externally prevents dust and prevents the object of the infiltration of corrosive material.But between two oil sealings, have a toroidal cavity, if do not add lubricating grease in this toroidal cavity, work as axle when rotated so, not so can make to produce higher temperature in cavity, the oil sealing under high temperature, dry grinding state can lose efficacy very soon, causes seepage.Lubricating grease can only add in the first assembled stage of equipment, changes, but also be not easy to fill when equipment rebuilding.
Model utility content
The purpose of this utility model is to provide a kind of sealing configuration of drafting machine bearing, solves the problem that the cavity between bag outside framework oil seal in two single lips adds and change lubricating grease inconvenience, extends in single lip bag outside framework oil seal working life, improves sealing effect.
The utility model solves the technological scheme that its technical problem adopts:
A kind of sealing configuration of drafting machine bearing, comprise bearing housing, bearing, axle, bag outside framework oil seal in fore bearing end cap and two single lips, it is characterized in that: on described fore bearing end cap, be provided with lubricating grease injection channel and lubricating grease discharge route, described lubricating grease injection channel and lubricating grease discharge route are in the 180 ° of settings of being separated by of fore bearing end cap circumferencial direction, the direction of described lubricating grease discharge route down, be being directed upwardly of described lubricating grease injection channel, upper end, described lubricating grease injection channel is provided with lubricating cup, the toroidal cavity inner and formation of two the interior bag of single lips outside framework oil seals communicates, described lubricating grease discharge route lower end is provided with plug, the toroidal cavity that wraps outside framework oil seal formation in inner also with two single lips communicates.
Preferably, described plug is square tube plug, is convenient to dismounting.
Compared to the prior art the utility model, has the following advantages and effect: this sealing configuration can directly inject lubricating grease from lubricating cup after equipment downtime, adds lubricating grease to bag outside framework oil seal in two single lips; Only need dismounting square tube plug, need not dismantle other parts and just can change lubricating grease to bag outside framework oil seal in two single lips, easy to operate.The direction of lubricating grease discharge route down, being directed upwardly of lubricating grease injection channel, the lubricating grease that in such two single lips, bag outside framework oil seal forms in toroidal cavity can be changed up hill and dale, effectively extends in single lip bag outside framework oil seal working life, improves sealing effect.
Accompanying drawing explanation
Fig. 1 is the structural representation of the sealing configuration of a kind of drafting machine bearing of the utility model.
In figure: 1. bearing housing, 2. filler opening, 3. bearing, 4. axle, 5. oil outlet, 6. plug, 7. lubricating grease discharge route, 8. lubricating grease injection channel, 9. fore bearing end cap, 10. bag outside framework oil seal in lubricating cup, 11. single lips.
Embodiment
As shown in Figure 1, a kind of sealing configuration of drafting machine bearing, comprise bearing housing 1, bearing 3, axle 4, bag outside framework oil seal 11 in fore bearing end cap 9 and two single lips, on described fore bearing end cap 9, be provided with lubricating grease injection channel 8 and lubricating grease discharge route 7, described lubricating grease injection channel 8 and lubricating grease discharge route 7 are in the 180 ° of settings of being separated by of fore bearing end cap 9 circumferencial directions, the direction of described lubricating grease discharge route 7 down, be being directed upwardly of described lubricating grease injection channel 8, 8 upper ends, described lubricating grease injection channel are provided with lubricating cup 10, toroidal cavities inner and 11 formation of two the interior bag of single lips outside framework oil seals communicate, described lubricating grease discharge route 7 lower ends are provided with plug 6, the toroidal cavity that wraps outside framework oil seal 11 formation in inner also with two single lips communicates.
During work, the inner ring of bearing 3 matches and merges rotation together with axle 4 with axle 4, and matching with bearing housing 1 in the outer ring of bearing 3, plays a supportive role.It is lubricated that thereby the annular groove that lubricant oil flows into bearing 3 cylindrical centers from the filler opening 2 on bearing housing 1 enters bearing 3, from the space between bearing 3 Internal and external cycles to both sides oil extraction.The lubricant oil that bearing 3 left sides are got rid of, without spill port, directly flows back to fuel tank, and the lubricant oil of discharging from bearing 3 right sides, flows back to fuel tank by spill port 5.In two single lips, between bag outside framework oil seal 11, there is a toroidal cavity, in cavity, add lubricating grease, when axle when rotated, cavity is interior because there is lubricating grease, so can not produce higher temperature, in single lip, bag outside framework oil seal 11 can not lose efficacy very soon, has realized internal oil sealing, externally prevents dust and prevents the infiltration of corrosive material.
Lubricating grease is in use because not only easily dirty, and temperature is high can oxidation evaporation and loss, so need often to supplement and change lubricating grease.After equipment downtime, can directly from lubricating cup 10, inject lubricating grease, add lubricating grease to bag outside framework oil seal 11 in two single lips.When lubricating grease is crossed dirty need to replacing, only need dismounting square tube plug 6, then from lubricating cup 10, inject lubricating grease, because of the direction of lubricating grease discharge route down, being directed upwardly of lubricating grease injection channel, new lubricating grease is extruded dirty lubricating grease from lubricating grease discharge route 7, complete the thorough replacing of lubricating grease, easy to operate, effectively extend in single lip 11 working lifes of bag outside framework oil seal, improve sealing effect.
Above content described in this specification is only to the explanation of the utility model example.The utility model person of ordinary skill in the field can make various modifications or supplements or adopt similar mode to substitute described specific embodiment; only otherwise depart from the content of the utility model specification or surmount this scope as defined in the claims, all should belong to protection domain of the present utility model.
Claims (2)
1. the sealing configuration of a drafting machine bearing, comprise bearing housing, bearing, axle, bag outside framework oil seal in fore bearing end cap and two single lips, it is characterized in that: on described fore bearing end cap, be provided with lubricating grease injection channel and lubricating grease discharge route, described lubricating grease injection channel and lubricating grease discharge route are in the 180 ° of settings of being separated by of fore bearing end cap circumferencial direction, the direction of described lubricating grease discharge route down, be being directed upwardly of described lubricating grease injection channel, upper end, described lubricating grease injection channel is provided with lubricating cup, the toroidal cavity inner and formation of two the interior bag of single lips outside framework oil seals communicates, described lubricating grease discharge route lower end is provided with plug, the toroidal cavity that wraps outside framework oil seal formation in inner also with two single lips communicates.
2. the sealing configuration of a kind of drafting machine bearing as claimed in claim 1, is characterized in that: described plug is square tube plug.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320754408.9U CN203585329U (en) | 2013-11-26 | 2013-11-26 | Sealing structure for bearing of draw machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320754408.9U CN203585329U (en) | 2013-11-26 | 2013-11-26 | Sealing structure for bearing of draw machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203585329U true CN203585329U (en) | 2014-05-07 |
Family
ID=50583256
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320754408.9U Expired - Fee Related CN203585329U (en) | 2013-11-26 | 2013-11-26 | Sealing structure for bearing of draw machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203585329U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104879499A (en) * | 2015-05-04 | 2015-09-02 | 西安近代化学研究所 | Dustproof sealing device |
| CN105333146A (en) * | 2015-11-01 | 2016-02-17 | 黑龙江科技大学 | Solid and colloid combined type seal method and structure |
| CN106015564A (en) * | 2016-07-25 | 2016-10-12 | 湖州电动滚筒有限公司 | Novel oil leakage prevention and assembling-and-disassembling-prone electric rotary drum |
-
2013
- 2013-11-26 CN CN201320754408.9U patent/CN203585329U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104879499A (en) * | 2015-05-04 | 2015-09-02 | 西安近代化学研究所 | Dustproof sealing device |
| CN104879499B (en) * | 2015-05-04 | 2018-01-23 | 西安近代化学研究所 | A kind of dust-proof sealing device |
| CN105333146A (en) * | 2015-11-01 | 2016-02-17 | 黑龙江科技大学 | Solid and colloid combined type seal method and structure |
| CN106015564A (en) * | 2016-07-25 | 2016-10-12 | 湖州电动滚筒有限公司 | Novel oil leakage prevention and assembling-and-disassembling-prone electric rotary drum |
| CN106015564B (en) * | 2016-07-25 | 2018-01-26 | 湖州电动滚筒有限公司 | A kind of novel anti-leakage is oily, motorized pulleys easy to assemble |
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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: 20140507 Termination date: 20141126 |
|
| EXPY | Termination of patent right or utility model |