CN101700508A - Scraper centrifugal machine with adjustable clearance sealing device - Google Patents
Scraper centrifugal machine with adjustable clearance sealing device Download PDFInfo
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- CN101700508A CN101700508A CN200910234590A CN200910234590A CN101700508A CN 101700508 A CN101700508 A CN 101700508A CN 200910234590 A CN200910234590 A CN 200910234590A CN 200910234590 A CN200910234590 A CN 200910234590A CN 101700508 A CN101700508 A CN 101700508A
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- sheath
- main shaft
- gland
- sealing device
- spring
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Abstract
The invention discloses a scraper centrifugal machine with an adjustable clearance sealing device, which comprises a main shaft (1), a front gland (2) and an adjustable clearance sealing device, wherein the sealing device comprises a movable adjusting sheath (3), a gland (4), a sealing ring (5), a main shaft sheath (6) and a spring (7), the movable adjusting sheath (3), the gland (4) and the main shaft sheath (6) are sleeved on the main shaft (1), the sealing ring (5) is arranged between the gland (4) and the main shaft sheath (6), the spring (7) is arranged between the gland (4) and the movable adjusting sheath (3), and the movable adjusting sheath (3) is in tight contact with the bottom of a revolving drum (8) under the elasticity of the spring (7). By adopting the structure, a clearance between the revolving drum and the front gland can be freely adjusted, the main shaft is not corroded by corrosive liquids and gases, and the service life of the scraper centrifugal machine can be prolonged.
Description
Technical field
The present invention relates to a kind of centrifugation machinery, especially relate to a kind of scraper centrifugal machine with adjustable clearance sealing device.
Background technology
Scraper centrifugal machine mainly is made up of support, workspace location and power-section unit.Junction in workspace location and power-section unit, main shaft drives the rotary drum running, in order to cut off being connected of rotary drum side and bearing guard, avoids the lubricant pollution material, the liquid that also prevents the rotary drum side enters bearing influences the operation of a machine, often adopts sealing device between rotary drum and preceding gland.At present, adopt the labyrinth seal form between rotary drum and preceding gland, though this sealing is friction not, service time is long, but must there be the gap in this sealing, can not sealing gas, be not suitable for using in pharmacy, chemical industry etc. having in the environment of damp, can not guarantee that especially main shaft is not subjected to corrosive liquid and gas pickling.After the long-time running of scraper centrifugal machine, this sealing device can make seal failure because of the wearing and tearing of sealing ring, influences the service life of machine.
Summary of the invention
The technical problem to be solved in the present invention provide a kind of can the free adjustment rotary drum and preceding gland between the scraper centrifugal machine in gap.
Technical problem to be solved by this invention is achieved by the following technical solution: it comprises the sealing device that main shaft, preceding gland and adjustable gaps are whole, the whole sealing device of described adjustable gaps is adjusted sheath, gland, sealing ring, main shaft sheath and spring by activity and is formed, movable sheath, gland and the main shaft sheath adjusted is enclosed within on the main shaft, sealing ring is arranged between gland and the main shaft sheath, spring is arranged on gland and movable the adjustment between the sheath, and the movable sheath of adjusting closely contacts with the bottom of the drum under the spring force effect.
The said structure that the present invention adopts, can the free adjustment rotary drum with preceding gland between the gap, avoided because rotary drum taper fit error produces the gap, particularly can sealing gas, the assurance main shaft is not subjected to corrosive liquid and gas pickling.In addition, the sealing device that this adjustable gaps is whole can prolong the service life of scraper centrifugal machine because not wearing and tearing can not make seal failure because of the wearing and tearing of sealing ring.
Description of drawings
The present invention is described further below in conjunction with accompanying drawing:
Figure 1 shows that structural representation of the present invention
Figure 2 shows that I place partial enlarged drawing among Fig. 1
The specific embodiment
By accompanying drawing as can be known, this scraper centrifugal machine with adjustable clearance sealing device comprises the sealing device that main shaft 1, preceding gland 2 and adjustable gaps are whole, the whole sealing device of described adjustable gaps is adjusted sheath 3, gland 4, sealing ring 5, main shaft sheath 6 and spring 7 by activity and is formed, movable sheath 3, gland 4 and the main shaft sheath 6 adjusted is enclosed within on the main shaft 1, sealing ring 5 is arranged between gland 4 and the main shaft sheath 6, spring 7 is arranged on gland 4 and movable the adjustment between the sheath 3, and the movable sheath 3 of adjusting closely contacts with rotary drum 8 bottoms under spring 7 elastic force effects.Gland 4 is pressed in sealing ring 5 on the main shaft sheath 6, and the movable sheath 3 of adjusting is pressed in rotary drum 8 bottoms by spring 7, and the pretightning force effect by spring 7 makes the movable sheath 3 of adjusting tightly be fitted in the bottom of the drum, reaches the effect of sealing.The present invention is with the described scope of soverlay technique scheme; and the various modification of claim scope and equivalence variation; under the prerequisite that does not depart from technical scheme of the present invention, any modification or improvement that those skilled in the art that the present invention did are realized easily all belong to the present invention's scope required for protection.
Claims (1)
1. scraper centrifugal machine with adjustable clearance sealing device, comprise the sealing device that main shaft, preceding gland and adjustable gaps are whole, it is characterized in that: the whole sealing device of described adjustable gaps is adjusted sheath, gland, sealing ring, main shaft sheath and spring by activity and is formed, movable sheath, gland and the main shaft sheath adjusted is enclosed within on the main shaft, sealing ring is arranged between gland and the main shaft sheath, spring is arranged on gland and movable the adjustment between the sheath, and the movable sheath of adjusting closely contacts with the bottom of the drum under the spring force effect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910234590 CN101700508B (en) | 2009-11-23 | 2009-11-23 | Scraper centrifugal machine with adjustable clearance sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910234590 CN101700508B (en) | 2009-11-23 | 2009-11-23 | Scraper centrifugal machine with adjustable clearance sealing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101700508A true CN101700508A (en) | 2010-05-05 |
| CN101700508B CN101700508B (en) | 2013-07-03 |
Family
ID=42155447
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200910234590 Active CN101700508B (en) | 2009-11-23 | 2009-11-23 | Scraper centrifugal machine with adjustable clearance sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101700508B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102728485A (en) * | 2011-04-06 | 2012-10-17 | 上海市离心机械研究所有限公司 | Leakproof structure of centrifugal machine for silicon carbide separation |
| CN108240476A (en) * | 2016-12-27 | 2018-07-03 | 深圳光启合众科技有限公司 | Shaft sealer |
| CN109499786A (en) * | 2018-12-17 | 2019-03-22 | 张家港市永达机械制造有限公司 | The main shaft of the automatic bag-pulling centrifuge of top suspension protects structure |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1355044A (en) * | 1970-07-02 | 1974-06-05 | Lucas Industries Ltd | Sealing arrangements for shafts |
| CN2547636Y (en) * | 2002-04-26 | 2003-04-30 | 四川明达船用密封有限公司 | Ship stern shaft anti-fish net oil-lubricating sealing device |
| CN2591342Y (en) * | 2002-12-12 | 2003-12-10 | 中国科学院长春光学精密机械与物理研究所 | Mechanical sealing device for precision axis |
| EP1643127A2 (en) * | 2004-09-30 | 2006-04-05 | Sanyo Electric Co., Ltd. | Compressor |
| CN200939410Y (en) * | 2006-08-22 | 2007-08-29 | 江苏赛德力制药机械制造有限公司 | Scraper centrifugal machine having mainshaft sealing means |
| CN201579118U (en) * | 2009-11-23 | 2010-09-15 | 江苏赛德力制药机械制造有限公司 | Scraper centrifuge with clearance adjustable sealing device |
-
2009
- 2009-11-23 CN CN 200910234590 patent/CN101700508B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1355044A (en) * | 1970-07-02 | 1974-06-05 | Lucas Industries Ltd | Sealing arrangements for shafts |
| CN2547636Y (en) * | 2002-04-26 | 2003-04-30 | 四川明达船用密封有限公司 | Ship stern shaft anti-fish net oil-lubricating sealing device |
| CN2591342Y (en) * | 2002-12-12 | 2003-12-10 | 中国科学院长春光学精密机械与物理研究所 | Mechanical sealing device for precision axis |
| EP1643127A2 (en) * | 2004-09-30 | 2006-04-05 | Sanyo Electric Co., Ltd. | Compressor |
| CN200939410Y (en) * | 2006-08-22 | 2007-08-29 | 江苏赛德力制药机械制造有限公司 | Scraper centrifugal machine having mainshaft sealing means |
| CN201579118U (en) * | 2009-11-23 | 2010-09-15 | 江苏赛德力制药机械制造有限公司 | Scraper centrifuge with clearance adjustable sealing device |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102728485A (en) * | 2011-04-06 | 2012-10-17 | 上海市离心机械研究所有限公司 | Leakproof structure of centrifugal machine for silicon carbide separation |
| CN102728485B (en) * | 2011-04-06 | 2014-03-12 | 上海市离心机械研究所有限公司 | Sealing structure of centrifugal machine for silicon carbide separation |
| CN108240476A (en) * | 2016-12-27 | 2018-07-03 | 深圳光启合众科技有限公司 | Shaft sealer |
| CN109499786A (en) * | 2018-12-17 | 2019-03-22 | 张家港市永达机械制造有限公司 | The main shaft of the automatic bag-pulling centrifuge of top suspension protects structure |
| CN109499786B (en) * | 2018-12-17 | 2023-10-03 | 张家港市永达机械制造有限公司 | Main shaft protection structure of upper suspension type automatic bag pulling centrifugal machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101700508B (en) | 2013-07-03 |
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