CN217707953U - Air seal structure of rotary feeder - Google Patents
Air seal structure of rotary feeder Download PDFInfo
- Publication number
- CN217707953U CN217707953U CN202221461569.4U CN202221461569U CN217707953U CN 217707953 U CN217707953 U CN 217707953U CN 202221461569 U CN202221461569 U CN 202221461569U CN 217707953 U CN217707953 U CN 217707953U
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- air
- ring
- shaft
- main shaft
- saving
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Abstract
The utility model relates to a rotatory charging means atmoseal structure, including valve body, main shaft, end cover, axle sleeve, solar terms ring, air vent and pipeline, the end cover is installed to the horizontal both ends symmetry of valve body, installs horizontal coaxial main shaft in the valve body, and the equal coaxial end cover center that passes in axial both ends of main shaft installs annular axle sleeve between end cover and main shaft contact surface, and the air saving ring is installed to axle sleeve middle part inner circle, and the system of fitting with a contraceptive ring in the axle sleeve of solar terms ring periphery has the air vent, and the air vent connects the pipeline, and the pipeline injects compressed air to the solar terms intra-annular. The utility model discloses the existing components of a whole that can function independently structure that adopts stereoplasm aluminum alloy material to do the solar term ring, polytetrafluoroethylene sealing ring is all installed in solar term ring both sides, guarantees that gas and material leak in not leaking outward, and the internal and external air vent that all has of solar term, outside compressed air enters into the solar term ring through the air vent, plays the atmoseal effect, and the air vent controls the amount of wind and the pressure of admitting air through piping erection air throttle and flowmeter.
Description
Technical Field
The utility model belongs to the technical field of seal structure, specifically a rotary feeder atmoseal structure.
Background
The air seal structure of the rotary feeder is commonly used for conveying powdery materials, and an air throttle ring of the air seal structure of the conventional rotary feeder is usually made of polytetrafluoroethylene or nylon materials, but air erosion is generated after ventilation, so that the air throttle ring is easily damaged. Therefore, the material is easy to leak outside and inside, and the equipment can not be normally used in serious cases.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the shortcomings of the prior art and provide a rotary feeder air seal structure with scientific structure, reasonable design, reliability and durability.
The utility model provides a its technical problem take following technical scheme to realize:
the utility model provides a rotatory charging means atmoseal structure which characterized in that: the air-saving valve comprises a valve body, a main shaft, end covers, shaft sleeves, air-saving rings, air holes and pipelines, wherein the end covers are symmetrically arranged at the two transverse ends of the valve body, the main shaft which is transversely coaxial is arranged in the valve body, the two axial ends of the main shaft coaxially penetrate through the centers of the end covers, the annular shaft sleeves are arranged between the end covers and the contact surfaces of the main shaft, the air-saving rings are arranged on the inner rings in the middle of the shaft sleeves, the air holes are annularly arranged on the shaft sleeves at the peripheries of the air-saving rings, the air holes are communicated with the pipelines, and the pipelines inject compressed air into the air-saving rings.
And, install throttle and flowmeter on the pipeline.
And a sealing ring is arranged in the shaft sleeve on the inner side of the air throttle ring shaft, sealing packing is arranged in the shaft sleeve on the outer side of the air throttle ring shaft, and a gland is fixedly arranged on the shaft sleeve on the outer end of the packing shaft.
Moreover, the air-saving ring is provided with an annular vent groove.
Moreover, the gas saving ring is made of hard aluminum alloy materials, and the sealing ring and the sealing filler are made of polytetrafluoroethylene.
And one or more vent holes are formed in the shaft sleeve at the periphery of the throttle ring at intervals in an annular mode.
And the outer side of the end cover is coaxially and fixedly provided with the annular bracket and the bearing bin, and the bearing bin is internally provided with the ball bearing assembly for supporting the main shaft and ensuring the flexible rotation of the main shaft. The bearing bin and the end cover are arranged at intervals.
The utility model has the advantages that:
the utility model discloses adopting stereoplasm aluminum alloy material to do the solar terms ring now, polytetrafluoroethylene does the components of a whole that can function independently structure of sealing ring, all installs the polytetrafluoroethylene sealing ring in solar terms ring both sides, guarantees that gas and material leak in not leaking outward, and the solar terms intra-annular all has the air vent outward, and outside compressed air enters into the solar terms ring through the air vent, plays the atmoseal effect, and the air vent comes the amount of wind and the pressure of control admitting air through piping erection solar terms valve and flowmeter.
Drawings
FIG. 1 is a schematic sectional view of the present invention;
FIG. 2 is an enlarged view of a portion A of FIG. 1;
fig. 3 is an overall plan view of the present invention.
Detailed Description
The present invention will be described in more detail with reference to the following embodiments, which are provided by way of illustration and not limitation, and the scope of the present invention should not be limited thereby.
The utility model provides a rotatory charging means atmoseal structure, including valve body 1, main shaft 2, end cover 3, axle sleeve 4, gas-saving ring 10, air vent 12 and pipeline 13, this embodiment uses figure 1 as the description direction of example, end cover 3 is installed to the horizontal both ends symmetry of valve body, install horizontal coaxial main shaft in the valve body, the axial both ends of main shaft are all coaxial to pass the end cover center, install annular axle sleeve 4 between end cover and main shaft contact surface, at the coaxial annular support 5 and the bearing storehouse 6 of adorning admittedly in the end cover outside, installation ball bearing 7 subassemblies in the bearing storehouse, a main shaft is supported and the main shaft is guaranteed to rotate in a flexible way. The bearing bin and the end cover are arranged at intervals.
An air-saving ring 10 is arranged on the inner ring in the middle of the shaft sleeve, an annular vent groove is formed in the air-saving ring, a vent hole 12 is formed in the periphery of the air-saving ring in the shaft sleeve in a sleeved mode, the vent hole is communicated with a pipeline 13, the pipeline extends to the outside of the valve body and is connected with a compressed air pump (not shown in the figure), compressed air is injected into the air-saving ring, and the compressed air is injected into the air-saving ring to further ensure the shaft end to be sealed by using air pressure. The pipeline is provided with a throttle valve 15 and a flowmeter 14, and the vent hole is provided with the throttle valve and the flowmeter through the pipeline to control the air quantity and the pressure of the inlet air.
A sealing ring 11 is arranged in a shaft sleeve on the inner side of the gas saving ring shaft, a sealing filler 9 is arranged in a shaft sleeve on the outer side of the gas saving ring shaft, and a gland 8 is fixedly arranged on the shaft sleeve on the outer end of the filler shaft, so that the shaft side sealing performance is effectively guaranteed, and gas and materials are prevented from leaking outside and leaking inside.
The air-saving ring is made of hard aluminum alloy materials, and the sealing ring and the sealing filler are made of polytetrafluoroethylene.
Four air holes are formed in the shaft sleeve on the periphery of the air-saving ring of the embodiment at intervals in an annular mode, and the number of the air holes can be set according to the size of equipment.
Although the embodiments of the present invention and the accompanying drawings are disclosed for illustrative purposes, those skilled in the art will appreciate that: various substitutions, changes and modifications are possible without departing from the spirit and scope of the present invention and the appended claims, and therefore, the scope of the present invention is not limited to the disclosure of the embodiments and the accompanying drawings.
Claims (7)
1. The utility model provides a rotatory charging means atmoseal structure which characterized in that: the air-saving valve comprises a valve body, a main shaft, end covers, shaft sleeves, air-saving rings, air vents and pipelines, wherein the end covers are symmetrically arranged at two transverse ends of the valve body, the main shaft which is transversely coaxial is arranged in the valve body, the two axial ends of the main shaft coaxially penetrate through the centers of the end covers, the annular shaft sleeves are arranged between the end covers and the contact surfaces of the main shaft, the air-saving rings are arranged on inner rings in the middle of the shaft sleeves, the air vents are annularly arranged on the shaft sleeves at the periphery of the air-saving rings, the air vents are communicated with the pipelines, and the pipelines inject compressed air into the air-saving rings.
2. The rotary feeder atmoseal structure of claim 1, wherein: and the pipeline is provided with an air throttle and a flowmeter.
3. The rotary feeder gas seal structure according to claim 1, characterized in that: the sealing ring is installed in the shaft sleeve on the inner side of the gas saving ring shaft, the sealing filler is installed in the shaft sleeve on the outer side of the gas saving ring shaft, and the gland is fixedly installed on the shaft sleeve on the outer end of the filler shaft.
4. The rotary feeder gas seal structure according to claim 1, characterized in that: the air-saving ring is provided with an annular vent groove.
5. The rotary feeder atmoseal structure of claim 1, wherein: the air-saving ring is made of hard aluminum alloy materials, and the sealing ring and the sealing filler are made of polytetrafluoroethylene.
6. The rotary feeder gas seal structure according to claim 1, characterized in that: one or more vent holes are formed in the shaft sleeve on the periphery of the air-saving ring at intervals in an annular mode.
7. The rotary feeder gas seal structure according to claim 1, characterized in that: the annular support and the bearing bin are coaxially and fixedly arranged on the outer side of the end cover, a ball bearing assembly is arranged in the bearing bin and used for supporting the main shaft and ensuring the main shaft to rotate flexibly, and the bearing bin and the end cover are arranged at intervals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221461569.4U CN217707953U (en) | 2022-06-13 | 2022-06-13 | Air seal structure of rotary feeder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221461569.4U CN217707953U (en) | 2022-06-13 | 2022-06-13 | Air seal structure of rotary feeder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217707953U true CN217707953U (en) | 2022-11-01 |
Family
ID=83799744
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221461569.4U Active CN217707953U (en) | 2022-06-13 | 2022-06-13 | Air seal structure of rotary feeder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217707953U (en) |
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2022
- 2022-06-13 CN CN202221461569.4U patent/CN217707953U/en active Active
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