CN218510171U - Shaft end sealing structure of stirring shaft - Google Patents
Shaft end sealing structure of stirring shaft Download PDFInfo
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- CN218510171U CN218510171U CN202222716428.9U CN202222716428U CN218510171U CN 218510171 U CN218510171 U CN 218510171U CN 202222716428 U CN202222716428 U CN 202222716428U CN 218510171 U CN218510171 U CN 218510171U
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- sealing
- sealing seat
- seal
- stirring shaft
- ring
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Abstract
The utility model discloses a shaft end sealing structure of a stirring shaft, which comprises a sealing seat, a movable ring, a gas distribution ring, an air inlet pipe, an oil seal and a gland, wherein the sealing seat is fixedly assembled with an end plate of a stirring container; the gas distribution ring is fixedly sleeved and assembled with the sealing seat, a first air passage is formed in the sealing seat, one end of the first air passage is communicated with the gas distribution ring, the other end of the first air passage extends to the end face for sealing, and one end of the gas inlet pipe is communicated with the gas distribution ring; the stirring shaft penetrates through the sealing seat and is assembled with the sealing seat in a rotating and sealing manner, and one end, which is far away from the end face seal, of the sealing seat is provided with an oil seal used for sealing between the sealing seat and the stirring shaft and a gland used for fixing the oil seal. The shaft end sealing structure has the advantages of good sealing effect and capability of reducing pollution to powder.
Description
Technical Field
The utility model relates to a sealed technical field, concretely relates to (mixing) shaft axle head seal structure.
Background
The shaft end sealing structure of the stirring shaft for powder or slurry and the like has the overall requirements of reliable sealing, high maintainability and high use performance cost ratio. Packing seal is generally adopted in the industry at present, and during the use process of the packing seal, a large amount of scraps are generated due to the abrasion of the packing, so that mixed materials can be polluted; mechanical seals are adopted for a few shaft end seals, but the mechanical seals generate metal foreign matters in the using process, which is unacceptable for pollution of powder materials such as lithium battery materials, and the use cost of the mechanical seals is high.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a (mixing) shaft end seal structure, make it have sealed effectual, can reduce the advantage that produces the pollution to the powder.
The utility model discloses an above-mentioned problem is solved to following technical means:
the utility model provides a shaft end sealing structure of a stirring shaft, which comprises a sealing seat, a movable ring, a gas distribution ring, an air inlet pipe, an oil seal and a gland, wherein the sealing seat is fixedly assembled with an end plate of a stirring container; the gas distribution ring is fixedly sleeved and assembled with the sealing seat, a first air passage is formed in the sealing seat, one end of the first air passage is communicated with the gas distribution ring, the other end of the first air passage extends to the end face for sealing, and one end of the gas inlet pipe is communicated with the gas distribution ring; the stirring shaft penetrates through the sealing seat and is assembled with the sealing seat in a rotating and sealing manner, and one end, which is far away from the end face seal, of the sealing seat is provided with an oil seal used for sealing between the sealing seat and the stirring shaft and a gland used for fixing the oil seal.
Furthermore, an air inlet channel is formed in the stirring shaft, a second air channel is formed in the movable ring, one end of the second air channel is communicated with the air inlet channel, and the other end of the second air channel extends to the end face to be sealed.
Furthermore, the end face of the movable ring, which is far away from the end face seal, is provided with a flow deflector.
Furthermore, the outer side of the movable ring is fixedly provided with a material cleaning blade.
Further, the end face seal comprises a multi-seal structure arranged on the movable ring and a multi-seal structure arranged on the seal seat, and the seal structure on the movable ring and the seal structure on the seal seat are arranged in a staggered mode.
Further, the gas distribution ring is welded and fixed with the sealing seat.
Further, the air inlet pipe is welded and fixed with the air distribution ring.
The utility model has the advantages that:
the stirring shaft end sealing structure comprises a sealing seat, a movable ring, a gas distribution ring, an air inlet pipe, an oil seal and a gland, wherein the sealing seat is fixedly assembled with an end plate of a stirring container; the gas distribution ring is fixedly sleeved and assembled with the sealing seat, a first air passage is formed in the sealing seat, one end of the first air passage is communicated with the gas distribution ring, the other end of the first air passage extends to the end face to be sealed, and one end of the gas inlet pipe is communicated with the gas distribution ring; the stirring shaft penetrates through the sealing seat and is in rotating seal assembly with the sealing seat, and one end, far away from the end face seal, of the sealing seat is provided with an oil seal used for sealing between the sealing seat and the stirring shaft and a gland used for fixing the oil seal. The shaft end sealing structure has the advantages of good sealing effect and capability of reducing pollution to powder.
Drawings
The invention is further described with reference to the following figures and examples.
FIG. 1 is a schematic structural diagram of a preferred embodiment of the present invention;
fig. 2 is another schematic structure diagram of the preferred embodiment of the present invention.
In the figure: 1-a stirring shaft; 2-flow deflectors; 3-moving ring; 4-cleaning the material blades; 5-end face sealing; 6-end plate; 7-a first airway; 8-gas distribution ring; 9-a sealing seat; 10-oil sealing; 11-a gland; 12-an intake pipe; 13-an intake passage; 14-second airway.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. The features and advantages of the present invention will become more apparent from the following description. It is to be understood that the disclosed embodiments are merely exemplary of the invention, and are not intended to limit the invention to the precise embodiments disclosed.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
As shown in fig. 1, the embodiment discloses a shaft end sealing structure of a stirring shaft, which comprises a sealing seat 9, a rotating ring 3, a gas distribution ring 8, an air inlet pipe 12, an oil seal 10 and a gland 11, wherein the sealing seat 9 is embedded and fixed with an end plate 6 of a stirring container, the top surface of the sealing seat is flush with the top surface of the end plate, the rotating ring 3 is fixedly sleeved and assembled with the stirring shaft 1, an end face seal 5 is arranged between the end face seals between the butt joint end faces of the rotating ring and the sealing seat, preferably, the end face seals comprise a multi-sealing structure arranged on the rotating ring and a multi-sealing structure arranged on the sealing seat, the sealing structure on the rotating ring and the sealing structure on the sealing seat are arranged in a staggered mode, and the gap is between 0.5 mm and 2mm, so that the end face sealing effect is improved. In particular implementations, the cross-sectional shape of the seal structure may be square, triangular, or other shape.
The gas distribution ring 8 is fixedly sleeved and assembled with the sealing seat 9, a first gas passage 7 is formed in the sealing seat 9, one end of the first gas passage 7 is communicated with the gas distribution ring, the other end of the first gas passage extends to the end face seal 5, the number of the first gas passages is not limited, and the number of the first gas passages can be one or more; the cross section of the first air passage can be circular, semicircular, triangular, square and the like; the aperture size of the first air passage is not limited; one end of the air inlet pipe is communicated with the air distribution ring, and the number of the air inlet pipes is not limited and can be one or more. Preferably, the gas distribution ring is welded and fixed with the sealing seat, and the gas inlet pipe is welded and fixed with the gas distribution ring; the gas distribution ring, the sealing seat and the gas inlet pipe are welded together, so that the convenience of assembly, disassembly and maintenance is improved. In the rotating process of the stirring shaft, compressed air enters from the air inlet pipe, and after reaching the air distribution ring, the compressed air is blown to the end face seal through the first air passage, so that the aim of preventing materials from entering the shaft end is fulfilled. The stirring shaft 1 penetrates through the sealing seat and is in rotating seal assembly with the sealing seat, and one end, far away from the end face seal, of the sealing seat 9 is provided with an oil seal 10 used for sealing between the sealing seat and the stirring shaft and a gland 11 used for fixing the oil seal.
As a further improvement to the above technical solution, as shown in fig. 2, an air inlet channel is formed in the stirring shaft, a second air passage is formed in the movable ring, one end of the second air passage is communicated with the air inlet channel, and the other end of the second air passage extends to the end face for sealing; the number of the second air passages is not limited, and can be one or more; the cross section of the second air passage can be circular, semicircular, triangular, square and the like; the pore size of the first air passage is not limited. In the rotation process of the stirring shaft, compressed air enters from the air inlet channel 13 and blows to the end face through the second air passage 14 for sealing, so that the aim of preventing materials from entering the shaft end is fulfilled.
As a further improvement to the above technical solution, the top end of the movable ring 3 is provided with a flow deflector 2; the cross-sectional shape of the guide vane may be square, triangular, semicircular or other shapes. The guide vanes can guide and disperse materials, and the materials are prevented from flowing into a gap between the stirring shaft and the movable ring.
As a further improvement on the technical scheme, the outer side of the movable ring 3 is fixedly provided with a material cleaning blade 4, and materials adhered to the end plate can be cleaned through the material cleaning blade.
In summary, the shaft end sealing structure of the stirring shaft has the advantages that on one hand, the sealing effect is improved by adopting the combination of end face sealing, air sealing and oil seal sealing; on the other hand, metal impurities are not generated, the generation amount of non-metal impurities is small, and the pollution to powder can be reduced.
Finally, it is noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the scope of the claims of the present invention.
Claims (7)
1. The utility model provides a (mixing) shaft axle head seal structure which characterized in that: the stirring device comprises a sealing seat, a movable ring, a gas distribution ring, a gas inlet pipe, an oil seal and a gland, wherein the sealing seat is fixedly assembled with an end plate of a stirring container; the gas distribution ring is fixedly sleeved and assembled with the sealing seat, a first air passage is formed in the sealing seat, one end of the first air passage is communicated with the gas distribution ring, the other end of the first air passage extends to the end face for sealing, and one end of the gas inlet pipe is communicated with the gas distribution ring; the stirring shaft penetrates through the sealing seat and is assembled with the sealing seat in a rotating and sealing manner, and one end, which is far away from the end face seal, of the sealing seat is provided with an oil seal used for sealing between the sealing seat and the stirring shaft and a gland used for fixing the oil seal.
2. The stirring shaft end sealing structure according to claim 1, wherein: an air inlet channel is formed in the stirring shaft, a second air channel is formed in the movable ring, one end of the second air channel is communicated with the air inlet channel, and the other end of the second air channel extends to the end face to be sealed.
3. The stirring shaft end sealing structure according to claim 2, wherein: and the end face of the movable ring, which is far away from the end face seal, is provided with a flow deflector.
4. A stirring shaft end seal structure according to claim 3, wherein: and the outer side of the movable ring is fixedly provided with a material cleaning blade.
5. A stirring shaft end seal structure according to claim 4, wherein: the end face seal comprises a multi-seal structure arranged on the moving ring and a multi-seal structure arranged on the seal seat, and the seal structure on the moving ring and the seal structure on the seal seat are arranged in a staggered mode.
6. A stirring shaft end seal structure according to claim 5, wherein: and the gas distribution ring is welded and fixed with the sealing seat.
7. A stirring shaft end seal structure according to claim 6, wherein: the air inlet pipe is welded and fixed with the air distribution ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222716428.9U CN218510171U (en) | 2022-10-17 | 2022-10-17 | Shaft end sealing structure of stirring shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222716428.9U CN218510171U (en) | 2022-10-17 | 2022-10-17 | Shaft end sealing structure of stirring shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218510171U true CN218510171U (en) | 2023-02-21 |
Family
ID=85217244
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222716428.9U Active CN218510171U (en) | 2022-10-17 | 2022-10-17 | Shaft end sealing structure of stirring shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218510171U (en) |
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2022
- 2022-10-17 CN CN202222716428.9U patent/CN218510171U/en active Active
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