CN213621879U - Air seal spiral conveying device - Google Patents
Air seal spiral conveying device Download PDFInfo
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- CN213621879U CN213621879U CN202022434339.6U CN202022434339U CN213621879U CN 213621879 U CN213621879 U CN 213621879U CN 202022434339 U CN202022434339 U CN 202022434339U CN 213621879 U CN213621879 U CN 213621879U
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- end cover
- circular end
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- sealing ring
- air
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Abstract
The utility model relates to a screw conveyer technical field, a gas seal screw conveyer, it includes circular end cover, the rotation axis, the packing box, gland and sealing ring, rotation axis left part outer wall cover is equipped with the circular end cover of two symmetries of middle part annular space, circular end cover passes through the bolt fastening, be equipped with the packing box between the middle part annular space position of circular end cover and the rotation axis, the packing box includes sealing ring and packing, follow the rotation axis from the right side to left fixed mounting in proper order there are sealing ring and packing, sealing ring circumference is equipped with outer annular groove and inner ring groove, be equipped with radially lining up and be four air supply holes of axial symmetric distribution between the outer annular groove of sealing ring and the inner ring groove, be equipped with air inlet and oil filler on the left. The utility model has the advantages of reasonable and compact structure, convenient to use is through increasing the atmoseal to for traditional packing sealing device increases lubricating system, not only can be lubricated for the packing, can prevent moreover that the material from getting into the packing box, have stable, high-efficient and overhaul convenient characteristics.
Description
Technical Field
The utility model relates to a screw conveyer technical field is an atmoseal screw conveyer.
Background
Traditional screw conveyer's bearing seal adopts the packing to seal, constitute by four-layer polytetrafluoroethylene packing, the circular end cover material of bearing seal adopts Q235B, this structural defect is exactly that the moisture in the packing box can not effectively be discharged, produce the corrosion in the circular end cover packing box of bearing seal very easily, packing and axle direct contact, the packing can not obtain the lubrication at the operation in-process, the packing wearing and tearing are very fast, the gland department leaks the material after long-time operation will appear, and the powder produces the plastify piece between axle and packing, lead to the phenomenon that the material leaked to the sealed failure of packing appearance.
SUMMERY OF THE UTILITY MODEL
The utility model provides a atmoseal screw conveyor has overcome above-mentioned prior art not enough, and it can effectively solve current screw conveyor packing and lack the lubricated measure, and the problem of material leakage appears in the sealed inefficacy of packing.
The technical scheme of the utility model is realized through following measure: an air seal spiral conveying device comprises a circular end cover and a rotating shaft, packing box, gland and sealing ring, the circular end cover of two symmetries of rotation axis left part outer wall cover middle part annular space is equipped with, pass through the bolt fastening between the circular end cover of two symmetries, be equipped with the packing box between the middle part annular space position of circular end cover and the rotation axis, the packing box includes sealing ring and packing, follow the rotation axis from the right side to left fixed mounting in proper order and have sealing ring and packing, sealing ring circumference is equipped with outer annular groove and inner ring groove, be equipped with radially lining up and be four air source holes of axial symmetric distribution between the outer annular groove of sealing ring and the inner ring groove, leave the space between the inner wall of sealing ring and the outer wall of rotation axis, be equipped with air inlet and oil filler on the left side terminal surface of circular end cover, be fixed with the inlet pipe line on.
The following are further optimization or/and improvement of the technical scheme of the utility model:
a sealing ring with an air source hole is fixed on the right side of the stuffing box, and a packing is filled on the left side of the stuffing box.
The front end and the rear end of the gland are provided with symmetrical threaded holes, and the gland passes through the threaded holes through screws to be fixed on the circular end cover.
And an air inlet channel is arranged in the circular end cover and is communicated with the air inlet, and an air outlet is arranged on the inner wall of the circular end cover corresponding to the outer annular groove of the sealing ring.
An oil filling channel is arranged in the circular end cover and is communicated with an oil filling port, and an oil inlet hole is formed in the inner wall of the circular end cover corresponding to the packing of the oil filling channel.
The size of the oil inlet hole is phi 8 mm.
The size of the air source hole is phi 10 mm.
The utility model has the advantages of reasonable and compact structure, convenient to use is through increasing the atmoseal device to increase lubricating system for traditional packing sealing device, not only can increase for the packing and lubricate, can prevent moreover that the material from getting into the packing box, have stable, high-efficient and overhaul convenient characteristics.
Drawings
Fig. 1 is a front sectional view of the present invention.
Fig. 2 is a partial enlarged view of the part a of the present invention.
The codes in the figures are respectively: the sealing structure comprises a circular end cover 1, an air inlet channel 2, an air inlet 3, an oil filling port 4, an oil filling channel 5, a gland 6, a rotating shaft 7, a packing box 8, a packing 9, an air source hole 10, a sealing ring 11, an outer annular groove 12 and an inner annular groove 13.
Detailed Description
The utility model discloses do not receive the restriction of following embodiment, can be according to the utility model discloses a technical scheme and actual conditions determine concrete implementation.
In the present invention, for convenience of description, the description of the relative position relationship of the components is described according to the layout mode of the attached drawing 1 in the specification, such as: the positional relationship of front, rear, upper, lower, left, right, etc. is determined in accordance with the layout direction of the drawings of the specification.
The invention will be further described with reference to the following examples and drawings:
as shown in the attached figure 1, the air-seal spiral conveying device comprises a circular end cover 1, a rotating shaft 7, a stuffing box 8, a gland 6 and a sealing ring 11, wherein the outer wall of the left part of the rotating shaft 7 is sleeved with two symmetrical circular end covers 1 with a middle annular space, the two symmetrical circular end covers 1 are fixed through bolts, the stuffing box 8 is arranged between the middle annular space position of the circular end cover 1 and the rotating shaft 7 and comprises the sealing ring 11 and a packing 9, the sealing ring 11 and the packing 9 are fixedly installed along the rotating shaft 7 from right to left in sequence, an outer annular groove 12 and an inner annular groove 13 are circumferentially arranged on the sealing ring 11, four air source holes 10 which are radially communicated and axially and symmetrically distributed are arranged between the outer annular groove 12 and the inner annular groove 13 of the sealing ring 11, a gap is reserved between the inner wall of the sealing ring 11 and the outer wall of the rotating shaft 7, an air inlet 3 and an, an oil feeding pipeline is fixed on the oil filling port 4, and a detachable gland 6 is installed on the left side of the packing 9.
The utility model discloses an increase sealing ring 11 and air supply hole 10, utilize compressed air to provide the air supply for sealing ring 11, realize screw conveyer's atmoseal, prevent that the material from getting into packing box 8. Meanwhile, a lubricating measure is added to the packing 9 in the stuffing box 8, so that the lubricating can be added to the packing 9, and the service cycle is prolonged.
The air seal spiral conveying device can be further optimized or/and improved according to actual needs:
as shown in the attached fig. 1 and 2, a sealing ring 11 with an air source hole 10 is fixed on the right side of the stuffing box 8, and a packing 9 is filled on the left side of the stuffing box 8. The packing 9 may be a teflon packing 9.
As shown in fig. 1, symmetrical threaded holes are formed in the front end and the rear end of the gland 6, and the gland 6 penetrates through the threaded holes through screws to be fixed on the circular end cover 1. Gland 6 can play the effect of compressing tightly packing 9 and sealing ring 11, prevents that packing 9 and sealing ring 11 are not hard up.
As shown in figure 1, an air inlet channel 2 is arranged in the circular end cover 1, the air inlet channel 2 is communicated with an air inlet 3, and an air outlet is arranged on the air inlet channel 2 on the inner wall of the circular end cover 1 corresponding to an outer annular groove 12 of a sealing ring 11. Air inlet channel 2, air inlet 3, the setting of gas outlet realize that compressed air carries the outer annular groove 12 of sealing ring 11, get into the inner annular groove 13 of sealing ring 11 through 4 air supply holes 10, and the pressure that compressed air provided is greater than the pressure that the interior material of screw conveyor produced, realizes the atmoseal, prevents that the material from entering stuffing box 8 after the feed inlet adds, avoids PVC resin granule to produce the plastify piece at rotation axis 7 and stuffing box 8.
As shown in the attached figure 1, an oil filling channel 5 is arranged in the circular end cover 1, the oil filling channel 5 is communicated with an oil filling port 4, and an oil inlet hole is formed in the oil filling channel 5 on the inner wall of the circular end cover 1 corresponding to the packing 9. An oil filling channel 5 communicated to a stuffing box 8 at the position of a packing 9 is arranged on the circular end cover 1, and an oil filling port 4 on the outer side of the circular end cover 1 can be used for filling oil to the packing 9 for lubrication by connecting an oil filling pipeline and a needle type oil cup.
The size of the oil inlet hole is phi 8mm according to the requirement.
The size of the air source hole 10 is Φ 10mm as required. Four air source holes 10 with the diameter of phi 10mm are uniformly distributed on the periphery of the sealing ring 11.
Above technical feature constitutes the utility model discloses a best embodiment, it has stronger adaptability and best implementation effect, can increase and decrease unnecessary technical feature according to actual need, satisfies the demand of different situation.
Claims (10)
1. An air seal spiral conveying device is characterized by comprising a circular end cover and a rotating shaft, packing box, gland and sealing ring, the circular end cover of two symmetries of rotation axis left part outer wall cover middle part annular space is equipped with, pass through the bolt fastening between the circular end cover of two symmetries, be equipped with the packing box between the middle part annular space position of circular end cover and the rotation axis, the packing box includes sealing ring and packing, follow the rotation axis from the right side to left fixed mounting in proper order and have sealing ring and packing, sealing ring circumference is equipped with outer annular groove and inner ring groove, be equipped with radially lining up and be four air source holes of axial symmetric distribution between the outer annular groove of sealing ring and the inner ring groove, leave the space between the inner wall of sealing ring and the outer wall of rotation axis, be equipped with air inlet and oil filler on the left side terminal surface of circular end cover, be fixed with the inlet pipe line on.
2. The air-seal spiral conveying device of claim 1, wherein a sealing ring with an air source hole is fixed on the right side of the stuffing box, and packing is filled on the left side of the stuffing box.
3. The gas seal spiral conveying device according to claim 1 or 2, wherein the front end and the rear end of the gland are provided with symmetrical threaded holes, and the gland is fixed on the circular end cover through the threaded holes by screws.
4. The air-seal spiral conveying device as claimed in claim 1 or 2, wherein an air inlet passage is provided in the circular end cover, the air inlet passage is communicated with the air inlet, and the air inlet passage is provided with an air outlet on the inner wall of the circular end cover corresponding to the outer annular groove of the sealing ring.
5. The air-sealing spiral conveying device of claim 3, wherein the circular end cover is provided with an air inlet passage, the air inlet passage is communicated with the air inlet, and the air inlet passage is provided with an air outlet on the inner wall of the circular end cover corresponding to the outer annular groove of the sealing ring.
6. The air-seal spiral conveying device as claimed in claim 1, 2 or 5, wherein an oil filling channel is arranged in the circular end cover, the oil filling channel is communicated with an oil filling port, and an oil inlet hole is formed in the oil filling channel on the inner wall of the circular end cover corresponding to the packing.
7. The air-seal spiral conveying device of claim 3, wherein an oil filling channel is arranged in the circular end cover, and an oil inlet hole is formed in the oil filling channel on the inner wall of the circular end cover corresponding to the packing.
8. The air-seal spiral conveying device of claim 1, 2, 5 or 7, wherein the size of the oil inlet hole is phi 8 mm.
9. The gas seal screw conveyor according to claim 3, wherein the size of the oil inlet hole is Φ 8 mm.
10. An air-seal spiral conveying device according to claim 1, 2, 5, 7 or 9, wherein the size of the air source hole is phi 10 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022434339.6U CN213621879U (en) | 2020-10-28 | 2020-10-28 | Air seal spiral conveying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022434339.6U CN213621879U (en) | 2020-10-28 | 2020-10-28 | Air seal spiral conveying device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213621879U true CN213621879U (en) | 2021-07-06 |
Family
ID=76625251
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022434339.6U Active CN213621879U (en) | 2020-10-28 | 2020-10-28 | Air seal spiral conveying device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213621879U (en) |
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2020
- 2020-10-28 CN CN202022434339.6U patent/CN213621879U/en active Active
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