CN207005297U - A kind of pulvis raw material stirring tower driving axle sealing structure - Google Patents
A kind of pulvis raw material stirring tower driving axle sealing structure Download PDFInfo
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- CN207005297U CN207005297U CN201720769417.3U CN201720769417U CN207005297U CN 207005297 U CN207005297 U CN 207005297U CN 201720769417 U CN201720769417 U CN 201720769417U CN 207005297 U CN207005297 U CN 207005297U
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- ring
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- sealing
- rotating ring
- drive shaft
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Abstract
A kind of pulvis raw material stirring tower driving axle sealing structure, including equipment rack, drive shaft, bearing and oil sealing sealing part, the another rotating ring for having connection raw material teeter chamber, and the stationary ring being arranged between rotating ring and frame, the opposite side of rotating ring and stationary ring sets the first interlaced return rings and second servo loop ring respectively, is consequently formed the mazy tortuous loop of multilayer.Pulvis raw material stirring tower driving axle sealing structure not only improves simplified device structure, the sealing property of equipment can also be improved, so as to reduce equipment assembly and disassembly, cleaning and the needs safeguarded, the production efficiency and product quality of equipment are improved, and reduce production and the maintenance cost of equipment.
Description
Technical field
Pulvis raw material mixing plant is the utility model is related to, more particularly to the drive shaft in a kind of pulvis raw material stirring tower
Sealing structure.
Background technology
Conventional raw material of the pulvis as food pharmaceuticals industry, by the way that mixing will be stirred.It is currently used for pulvis raw material
The equipment being stirred includes the drive shaft for being internally provided with the teeter chamber of accommodating cavity, driving teeter chamber rotates, and is placed on driving
Sealing structure outside axle, wherein, teeter chamber is used to place raw material, and drive shaft drives teeter chamber to rotate to form mixing effect, and
Sealing structure is mainly used in preventing the pulvis leakage in teeter chamber while prevents the lubricating oil in drive shaft from oozing to teeter chamber.For
The sealing property of mixing plant is improved, typically using multiple oil enveloping structure, oil sealing is generally O-ring seals, but O-ring seals
Service life it is shorter, and the stability extreme difference of long-term work causes that its sealing property is poor and needs are frequently assembled and disassembled, and multiple
Oil sealing obtains that structure is again complex, and it is assembled and disassembled, and difficulty is big, and inside configuration cleaning is difficult, causes the maintenance difficulties of this kind of mixing plant
Greatly, cost is high.
The content of the invention
It is close that the utility model aims to provide a kind of more preferable pulvis raw material stirring tower drive shaft of simple in construction and sealing property
Seal structure, to simplify device structure, equipment sealing property is improved, and then improved productivity and quality, and reduce maintenance difficulties.
Pulvis raw material stirring tower driving axle sealing structure described in the utility model, including equipment rack, drive raw material stir
Mix the drive shaft of room rotation, and the bearing and oil sealing sealing part being arranged between frame and drive shaft；Separately there are stationary ring and rotating ring, move
Ring is fixedly connected with raw material teeter chamber and concomitant rotation, stationary ring are arranged between rotating ring and frame；Rotating ring is included perpendicular to driving
The anchor ring of axle axis, the side of anchor ring towards stationary ring extend have and distance parallel with drive axis not etc. several the
Primary Ioops ring, the medial surface of most the first return rings of inner side offset with drive shaft surface；Stationary ring includes ring body, and ring body is towards rotating ring
One side extend and have the second servo loop ring consistent with the first return rings quantity, each second servo loop ring is arranged in correspondence with each
The top of primary Ioops ring, and the most medial surface of the second servo loop ring of inner side and the lateral surface of most the first return rings of inner side offset,
Gap is left between stationary ring remainder and rotating ring and forms tortuous loop；The inlet channel for being passed through gas, stationary ring are provided with frame
On be provided with circulation passage through ring body and some middle second servo loop ring, one end that circulation passage be located in ring body connects
Inlet channel, the other end is towards the side of rotating ring anchor ring；The periphery and inner headed face of oil sealing offset with frame and drive shaft respectively,
The one side of oil sealing and the ring body of stationary ring offset.
Pulvis raw material stirring tower driving axle sealing structure described in the utility model, pulvis raw material are positioned over raw material teeter chamber
It is interior, drive raw material teeter chamber to rotate to realize the stirring of pulvis principle by drive shaft, in this process, rotating ring connection raw material stirs
Mix room and rotate therewith, and relative stationary ring is then fixably attached in frame, dynamic and static ring pass through corresponding setting
Gap between primary Ioops ring and second servo loop ring forms the mazy tortuous loop of multilayer, thus, gas entering through frame
The circulation passage of gas passage and stationary ring enters tortuous loop, and then gas flows to the both ends in tortuous loop along tortuous loop respectively,
Wherein one end is close to drive shaft, and its end is closed because of most the first return rings of inner side and the offseting of second servo loop ring so that
This section in tortuous loop is flooded with gases at high pressure and pushes dynamic and static ring to two opposite directions, so as to ensure between dynamic and static ring
Gap；The other end principle drive shaft in tortuous loop, the end are also the place that pulvis may leak in raw material teeter chamber, and
The gas sprayed from the end can then blow back pulvis in raw material teeter chamber, and so as to avoid the leakage of pulvis, this can both drop
The waste of low raw material, pulvis can also be avoided to enter pollution, blocking and cleaning difficulty caused by sealing structure.On the other hand,
The sealing structure is additionally provided with oil sealing, and the oil sealing offsets tightening seal with frame, stationary ring and drive shaft simultaneously, it is possible to prevente effectively from driving
Lubricating oil on moving axis is penetrated between dynamic and static ring, and the tortuous loop and air pressure between dynamic and static ring can greatly place profit
Lubricating oil is oozed to teeter chamber, and by the setting of the structure, can reduce the usage quantity needed for oil sealing to the full extent, from
And reduce the complexity and assembly and disassembly and maintenance difficulties of structure.So pulvis raw material stirring tower driving existing profit of axle sealing structure
In simplifying device structure, the sealing property of equipment can also be improved, so as to reduce equipment assembly and disassembly, cleaning and the needs safeguarded,
The production efficiency and product quality of equipment are improved, and reduces production and the maintenance cost of equipment.
Brief description of the drawings
Fig. 1 is the structural representation of pulvis raw material stirring tower driving axle sealing structure.
Fig. 2 is the structural representation of frame.
Fig. 3 is the structural representation of stationary ring.
Fig. 4 is the structural representation of rotating ring.
Embodiment
A kind of pulvis raw material stirring tower driving axle sealing structure, including equipment rack 1, drive raw material teeter chamber（It is not shown）
The drive shaft 2 of rotation, and the bearing 3 and oil sealing sealing part 4 being arranged between frame and drive shaft；Separately there are stationary ring 5 and rotating ring 6,
Rotating ring is fixedly connected with raw material teeter chamber and concomitant rotation, stationary ring are arranged between rotating ring and frame；Rotating ring is included perpendicular to drive
The anchor ring 61 of moving axis axis, the side of anchor ring towards stationary ring, which is extended, and distance parallel with drive axis not etc. some
Individual first return rings 62, the medial surface of most the first return rings of inner side offset with drive shaft surface；Stationary ring includes ring body 51, ring body
Extending towards the one side of rotating ring has the second servo loop ring 52 consistent with the first return rings quantity, and each second servo loop ring is accordingly
It is arranged at the top of each first return rings, and the most medial surface of the second servo loop ring of inner side and most the first return rings of inner side is outer
Side is offseted, and gap is left between stationary ring remainder and rotating ring and forms tortuous loop 7；The air inlet for being passed through gas is provided with frame
Passage 11, the circulation passage 53 through ring body and some middle second servo loop ring is provided with stationary ring, and circulation passage is located at ring
One end connection inlet channel on body, the other end is towards the side of rotating ring anchor ring；The periphery and inner headed face of oil sealing respectively with machine
Frame and drive shaft offset, and the one side of oil sealing and the ring body of stationary ring offset.
As shown in figure 1, pulvis raw material is positioned in raw material teeter chamber, raw material teeter chamber is driven to rotate and real by drive shaft
The stirring of existing pulvis principle, wherein, pulvis raw material may enter sealing structure from figure at M, and the lubricating oil in drive shaft is then
Sealing structure may be entered at N from figure.Sealing structure described in the utility model, stationary ring connection frame, and stationary ring and rotating ring
Opposite face the mazy tortuous loop of multilayer is formd by the first return rings and second servo loop ring, thus, gas is through frame
Inlet channel and the circulation passage of stationary ring enter tortuous loop, then gas flows to the two of tortuous loop along tortuous loop respectively
End, wherein one end is close to drive shaft, and its end is closed because of most the first return rings of inner side and the offseting of second servo loop ring, is made
This section in tortuous loop is flooded with gases at high pressure and pushes dynamic and static ring to two opposite directions, so as to ensure dynamic and static ring it
Between gap；The other end principle drive shaft in tortuous loop, the end are also the place that pulvis may leak in raw material teeter chamber,
And the gas sprayed from the end can then blow back pulvis in raw material teeter chamber, so as to avoid the leakage of pulvis, this both can be with
The waste of raw material is reduced, pulvis can also be avoided to pollute, block caused by entering sealing structure and cleaning is difficult.The opposing party
Face, the sealing structure are additionally provided with oil sealing, and the oil sealing offsets tightening seal with frame, stationary ring and drive shaft simultaneously, can effectively keep away
Lubricating oil on free drive moving axis is penetrated between dynamic and static ring, and the tortuous loop and air pressure between dynamic and static ring can greatly be put
Put lubricating oil to ooze to teeter chamber, and by the setting of the structure, the use number needed for oil sealing can be reduced to the full extent
Amount, so as to reduce the complexity of structure and assembly and disassembly and maintenance difficulties.
Described pulvis raw material stirring tower drives axle sealing structure, and the second servo loop ring of circulation passage 53 is provided with stationary ring 5
52, it is provided with connection second servo loop ring and the airflow hole 54 in tortuous loop 7 backwards to the side of drive shaft 2, and airflow hole is logical with circulation
Circulation passage between road outlet is built with upper sealing ring 81；This causes the air-flow in circulation passage more from airflow hole through hanging down
To the outboard end in tortuous loop, so as to preferably avoid the leakage of pulvis raw material.In addition, in order to further improve leak resistance,
Lower seal 82 be housed between most two first return rings 62 of inner side of rotating ring 6, the surface of lower seal and meanwhile with rotating ring anchor ring 61
Side, the end of the opposite face of the first return rings and second servo loop ring 52 offsets two-by-two；Described lower seal 82 includes steel
Sealing ring processed and rubber seal, the surface of steel sealing ring while opposite face and second servo loop ring with two first return rings 62
52 end offsets, and side of the rubber seal then simultaneously with steel sealing ring and rotating ring anchor ring 61 offsets.This can increase
The sealing property of structure, it is better protected from pulvis seepage.
Described pulvis raw material stirring tower driving axle sealing structure, medial surface and the drive shaft 2 of oil sealing sealing part 4 offset,
And the medial surface is V-shaped, the bottom tip of V words is butted on drive shaft surface；Annular groove 41 is provided with the middle part of oil sealing sealing part,
Annular groove is all V-shaped close to the side of drive shaft, and captive closure circle 9 is housed thereon.The oil sealing sealing part of this kind of shape
Better seal effect can be obtained.
Claims (5)
1. a kind of pulvis raw material stirring tower driving axle sealing structure, including equipment rack（1）, the drive that drives raw material teeter chamber to rotate
Moving axis（2）, and the bearing being arranged between frame and drive shaft（3）With oil sealing sealing part（4）；It is characterized in that：There is connection former
Expect the stationary ring of teeter chamber（5）And rotating ring（6）, rotating ring is fixedly connected with raw material teeter chamber and concomitant rotation, stationary ring are arranged at rotating ring
Between frame；Rotating ring includes the anchor ring perpendicular to drive axis（61）, the side of anchor ring towards stationary ring extend have with
Drive axis are parallel and several first return rings of distance not etc.（62）, the most medial surface of the first return rings of inner side and drive
Moving axis surface offsets；Stationary ring includes ring body（51）, ring body is extended towards the one side of rotating ring to be had and the first return rings quantity one
The second servo loop ring of cause（52）, each second servo loop ring is arranged in correspondence with the top of each first return rings, and most the second of inner side
The medial surface of return rings and the lateral surface of most the first return rings of inner side are offseted, and gap is left between stationary ring remainder and rotating ring
Form tortuous loop（7）；The inlet channel for being passed through gas is provided with frame（11）, it is provided with stationary ring through ring body and certain middle
The circulation passage of one second servo loop ring（53）, one end that circulation passage is located in ring body connects inlet channel, other end direction
The side of rotating ring anchor ring；The periphery and inner headed face of oil sealing offset with frame and drive shaft respectively, the one side and stationary ring of oil sealing
Ring body offset.
2. pulvis raw material stirring tower driving axle sealing structure according to claim 1, it is characterised in that：Stationary ring（5）On open
There is circulation passage（53）Second servo loop ring（52）, it is backwards to drive shaft（2）Side be provided with connection second servo loop ring with it is tortuous
Loop（7）Airflow hole（54）, the circulation passage between airflow hole and circulation passage outlet is built with upper sealing ring（81）.
3. pulvis raw material stirring tower driving axle sealing structure according to claim 2, it is characterised in that：Rotating ring（6）It is most interior
Two first return rings of side（62）Between lower seal is housed（82）, the surface of lower seal simultaneously with rotating ring anchor ring（61）Side
Face, the two-by-two opposite face of the first return rings and second servo loop ring（52）End offset.
4. pulvis raw material stirring tower driving axle sealing structure according to claim 3, it is characterised in that：Described lower sealing
Circle（82）Including steel sealing ring and rubber seal, the surface of steel sealing ring simultaneously with two first return rings（62）It is relative
Face and second servo loop ring（52）End offset, and rubber seal then simultaneously with steel sealing ring and rotating ring anchor ring（61）Side
Face offsets.
5. the pulvis raw material stirring tower driving axle sealing structure according to claim 1-4 any claims, its feature exist
In：Oil sealing sealing part（4）Medial surface and drive shaft（2）Offset, and the medial surface is V-shaped, the bottom tip of V words is butted on drive
Moving axis surface；Annular groove is provided with the middle part of oil sealing sealing part（41）, annular groove is all V-shaped close to the side of drive shaft,
And captive closure circle is housed thereon（9）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720769417.3U CN207005297U (en) | 2017-06-29 | 2017-06-29 | A kind of pulvis raw material stirring tower driving axle sealing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720769417.3U CN207005297U (en) | 2017-06-29 | 2017-06-29 | A kind of pulvis raw material stirring tower driving axle sealing structure |
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| Publication Number | Publication Date |
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| CN207005297U true CN207005297U (en) | 2018-02-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720769417.3U Active CN207005297U (en) | 2017-06-29 | 2017-06-29 | A kind of pulvis raw material stirring tower driving axle sealing structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112696485A (en) * | 2020-12-25 | 2021-04-23 | 中国船舶重工集团公司第七0三研究所 | Non-contact combined seal for gearbox |
-
2017
- 2017-06-29 CN CN201720769417.3U patent/CN207005297U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112696485A (en) * | 2020-12-25 | 2021-04-23 | 中国船舶重工集团公司第七0三研究所 | Non-contact combined seal for gearbox |
| CN112696485B (en) * | 2020-12-25 | 2022-06-24 | 中国船舶重工集团公司第七0三研究所 | Non-contact combined seal for gearbox |
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