CN101269307B - Axle end sealing device of high speed dispersion mechanism - Google Patents
Axle end sealing device of high speed dispersion mechanism Download PDFInfo
- Publication number
- CN101269307B CN101269307B CN2008101079918A CN200810107991A CN101269307B CN 101269307 B CN101269307 B CN 101269307B CN 2008101079918 A CN2008101079918 A CN 2008101079918A CN 200810107991 A CN200810107991 A CN 200810107991A CN 101269307 B CN101269307 B CN 101269307B
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- shaft
- sealing device
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- end sealing
- rotating shaft
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- Accessories For Mixers (AREA)
Abstract
The invention relates to a shaft end sealing device of a high-speed dispersion mechanism, in particular, the sealing device is used for shaft end sealing of a high speed rotation shaft for mixed dry powder and sand materials. The input end of a rotation shaft to is connected with the output shaft of an electrical motor via a shaft coupling, the output end of the rotation shaft is supported and fixed on the flange of a mixing barrel by a bearing; the shaft end sealing device is characterized in that a big screw disc is fixed on one end of the rotation shaft, the interface of an air duct extendsinto a voltage stabilization groove which is arranged in a gap between the big screw disc and the revolute pair of the flange of the mixing barrel, a small screw disc is fixed on the other end of therotation shaft, and the interface of the air duct extends into a voltage stabilization groove which is arranged in a gap between the small screw disc and the revolute pair of the flange of the mixingbarrel. The shaft end sealing device has the advantages that the transmission power is reduced, the energy consumption is saved and the shaft-burning phenomenon is avoided; the invasion of materialscan be prevented, which effectively keeps the cleanness of a seal cavity, the sealed cover of the bearing can not be worn due to the invasion of mortar, ensuring the service life of the bearing; the installation, adjustment and maintenance are more convenient, and the production and operation cost is effectively reduced.
Description
Technical field
The present invention relates to the axle end sealing device of a kind of high speed dispersion mechanism, shaft end seal when specifically being used for high-speed rotating shaft for mixed powder, sand material belongs to the sealing device technical field.
Background technology
Along with China's development of economic construction, the application of green building new material---dry-mixed mortar more and more widely, the variety and quality of dry-mixed mortar constantly promotes, mixed performance to mixer requires more and more higher, so on original mixer, increased axially or radially fly cutter be high speed dispersing device, improve the mixed performance of mixer mixed material, the traditional form of these device sealings is to adopt packing seal or rubber seal sealing, because the rotating speed of this device rotating shaft is higher, when adopting the bedding and padding sealing, cement dust in the dry mortar easily blots the grease in the bedding and padding, causes dry grinding excessively heated axle phenomenon; When adopting rubber seal to seal, dry mortar is very big to the erosion wear of sealing ring, and service life is short, and sealing was lost efficacy easily, causes Lou material and block bearing damage, causes equipment fault.
Summary of the invention
The objective of the invention is to overcome above-mentioned weak point, thereby provide a kind of unidirectional promotion of spiral of rotation at a high speed that utilizes, and be aided with the effect of constant voltage air-flow, effectively material is blocked in outside the annular seal space axle end sealing device of the high speed dispersion mechanism in guarantee to seal reliable and block bearing service life.
Main solution of the present invention is achieved in that
The present invention adopts motor to be fastened on the support, the input of rotating shaft connects with motor output shaft by shaft coupling, the rotating shaft power intake is fixed on the support by the clutch shaft bearing supporting, support is fixed on first and mixes on the drum flange, the rotating shaft output is fixed on second by the supporting of second bearing and mixes on the drum flange, feature is a fixedly king bolt dish of rotating shaft one end, first air pipe interface stretches in revolute pair that king bolt dish and first the is mixed drum flange pressure stabilizing tank at interval, the minor spiral dish is fixed on the other end of rotating shaft, and second air pipe interface stretches in revolute pair that minor spiral dish and second the mixes drum flange pressure stabilizing tank at interval.
Described king bolt dish and first is mixed between the endoporus of drum flange and is maintained the gap, and king bolt dish tip circle inboard is provided with an annular air storing cavity.
Described minor spiral dish and second is mixed between the endoporus of drum flange and is maintained the gap, and minor spiral dish tip circle inboard is provided with an annular air storing cavity.
Compared with the prior art the present invention has the following advantages:
1, do not adopt bedding and padding, there is the gap in the annular seal space revolute pair, has eliminated the frictional resistance of bedding and padding sealings, has reduced transmission power, and energy efficient has also been stopped the excessively heated axle phenomenon.
2, do not adopt rubber framework grease seal, reduced the machining accuracy that replaces the spare parts mutually, reduced manufacturing cost, and avoided because the sealing of rubber is easy to wear, service life, weak point and lubricating oil entered the accident that dry mortar influences product quality.
3, the present invention is a kind of combined sealed; utilize the screw propulsion principle; stop the dry sand slurry to enter annular seal space effectively; the adjustable air-flow of constant voltage is from inside to outside taken away the micro-fine powder material that enters in the annular seal space simultaneously; also in the interval of revolute pair, form a pressurized seal ring simultaneously, stop the intrusion of material, kept the cleaning of annular seal space effectively; protected can not be subjected to mortar with the tightly interdependent rolling bearing units seal cover of annular seal space and corrode the wearing and tearing that cause, guaranteed the service life of bearing.
4, because special hermetically-sealed construction form and reliable sealing effect, make that the sealing of equipment and block bearing are fused easily to be one, the form that needn't adopt sealing to separate with block bearing, make total simpler, it is more convenient that adjustment and working service are installed, and reduced manufacturing cost and use cost effectively.
Description of drawings
Fig. 1 is a structural representation of the present invention.
The specific embodiment
Embodiment during following the present invention incites somebody to action in conjunction with the accompanying drawings is further described:
As shown in Figure 1, comprise that mainly motor 1, bolt 2, support 3, shaft coupling 4, bolt 5, clutch shaft bearing 6, bolt 7, first mix drum flange 8, first air pipe interface 9, king bolt dish 10, screw 11, rotating shaft 12, screw 13, minor spiral dish 14, second and mix the drum flange 15 and second air pipe interface 16 etc.
Motor 1 usefulness bolt 2 of the present invention is fastened on the support 3, motor shaft connects with rotating shaft 12 by shaft coupling 4, rotating shaft 12 power intakes are fixed on the support 3 by clutch shaft bearing 6 supportings and with bolt 5, support 3 usefulness bolts 7 are fixed on first and mix on the drum flange 8, king bolt dish 10 usefulness screws 11 are fixed in the rotating shaft 12, release with rotating shaft turning handle mortar.Compressed air enters king bolt dish 10 and first by first air pipe interface 9 and mixes in the pressure stabilizing tank in the revolute pair gap of drum flange 8, and the sand powder in the chamber is taken in exhaust out of in mixing tube.
Minor spiral dish 14 usefulness screws 13 are fixed on the other end of rotating shaft 12 and release with axle turning handle mortar, compressed air enters minor spiral dish 14 and second by second air pipe interface 16 and mixes in the pressure stabilizing tank in the revolute pair gap of drum flange 15, and the sand powder is taken in exhaust out of in mixing tube.Rotating shaft 12 is supported and is fixed on second with bolt 18 by second bearing 17 and mixes on the drum flange 15.The input of rotating shaft 12 makes rotating shaft work and reaches reliable spiral and the effect of air pressure combination sealing by the motor transferring power.
The operation principle of the present invention and the course of work:
The present invention increases a helical disk that is fixed in the rotating shaft owing to make mortar material one side dry up at the annular seal space of axle end sealing device, because helical disk is with the high speed rotation of axle, the rotation direction of spiral is all the time at outside pusher state, constantly extrapolated the dry mortar of in mixing and splashing, invading annular seal space, stoped the dry mortar intrusion.The tip circle of big or small helical disk and mix between the endoporus of drum flange and keep less gap respectively simultaneously, the tip circle outside with mix an interior dry mortar and contact, there is an annular air storing cavity tip circle inboard, from the outside constantly replenish the compressed air that enters by annular air storing cavity voltage stabilizing after, from helical disk stud slot and Pan Ding gap, discharge, the micro-dry mortar of invading is taken away, kept annular seal space not to be subjected to the erosion and the wearing and tearing of dry mortar, also just guaranteed the effect that seals effectively.
Claims (3)
1. the axle end sealing device of a high speed dispersion mechanism, adopt motor (1) to be fastened on the support (3), the input of rotating shaft (12) connects with motor (1) output shaft by shaft coupling (4), rotating shaft (12) power intake is fixed on the support (3) by clutch shaft bearing (6) supporting, support (3) is fixed on first and mixes on the drum flange (8), rotating shaft (12) output is fixed on second by second bearing (17) supporting and mixes on the drum flange (15), it is characterized in that fixedly king bolt dish (10) of rotating shaft (12) one ends, first air pipe interface (9) stretches in revolute pair that king bolt dish (10) and first is mixed drum flange (8) pressure stabilizing tank at interval, minor spiral dish (14) is fixed on the other end of rotating shaft (12), and second air pipe interface (16) stretches in revolute pair that minor spiral dish (14) and second mixes drum flange (15) pressure stabilizing tank at interval.
2. the axle end sealing device of high speed dispersion according to claim 1 mechanism is characterized in that described king bolt dish (10) and first is mixed between the endoporus of drum flange (8) to maintain the gap that king bolt dish tip circle inboard is provided with an annular air storing cavity.
3. the axle end sealing device of high speed dispersion according to claim 1 mechanism is characterized in that described minor spiral dish (14) and second is mixed between the endoporus of drum flange (15) to maintain the gap that minor spiral dish tip circle inboard is provided with an annular air storing cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101079918A CN101269307B (en) | 2008-05-06 | 2008-05-06 | Axle end sealing device of high speed dispersion mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101079918A CN101269307B (en) | 2008-05-06 | 2008-05-06 | Axle end sealing device of high speed dispersion mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101269307A CN101269307A (en) | 2008-09-24 |
| CN101269307B true CN101269307B (en) | 2010-06-02 |
Family
ID=40003690
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008101079918A Expired - Fee Related CN101269307B (en) | 2008-05-06 | 2008-05-06 | Axle end sealing device of high speed dispersion mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101269307B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111590752A (en) * | 2020-05-15 | 2020-08-28 | 上海隧道工程有限公司 | Sealing structure of grouting stirring barrel of shield tunneling machine |
| CN111645121B (en) * | 2020-07-23 | 2024-02-06 | 重庆杰度科技有限公司 | Cutting mechanism of granulator |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002276574A (en) * | 2001-03-19 | 2002-09-25 | Hokuetsu Kogyo Co Ltd | Shaft seal device of oil-free screw compressor |
| CN2724970Y (en) * | 2004-07-22 | 2005-09-14 | 无锡江加建设机械有限公司 | Shaft end sealing and supporting device for horizontal shaft type stirrer mixing shaft |
| EP1540210B1 (en) * | 2002-09-19 | 2006-05-24 | Burgmann Dichtungswerke GmbH & Co. KG | Dual-action sealing system |
| CN201027986Y (en) * | 2007-02-09 | 2008-02-27 | 北京精雕科技有限公司 | Helical seal device at end of electric principal shaft |
| CN201189460Y (en) * | 2008-05-06 | 2009-02-04 | 无锡同济江加建材科技有限公司 | Axle end sealing device of high-speed dispersing mechanism |
-
2008
- 2008-05-06 CN CN2008101079918A patent/CN101269307B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002276574A (en) * | 2001-03-19 | 2002-09-25 | Hokuetsu Kogyo Co Ltd | Shaft seal device of oil-free screw compressor |
| EP1540210B1 (en) * | 2002-09-19 | 2006-05-24 | Burgmann Dichtungswerke GmbH & Co. KG | Dual-action sealing system |
| CN2724970Y (en) * | 2004-07-22 | 2005-09-14 | 无锡江加建设机械有限公司 | Shaft end sealing and supporting device for horizontal shaft type stirrer mixing shaft |
| CN201027986Y (en) * | 2007-02-09 | 2008-02-27 | 北京精雕科技有限公司 | Helical seal device at end of electric principal shaft |
| CN201189460Y (en) * | 2008-05-06 | 2009-02-04 | 无锡同济江加建材科技有限公司 | Axle end sealing device of high-speed dispersing mechanism |
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| Publication number | Publication date |
|---|---|
| CN101269307A (en) | 2008-09-24 |
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| C06 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
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| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100602 Termination date: 20130506 |