CN207349437U - A kind of powder machinery formula air-tight structure - Google Patents
A kind of powder machinery formula air-tight structure Download PDFInfo
- Publication number
- CN207349437U CN207349437U CN201721366414.1U CN201721366414U CN207349437U CN 207349437 U CN207349437 U CN 207349437U CN 201721366414 U CN201721366414 U CN 201721366414U CN 207349437 U CN207349437 U CN 207349437U
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- Prior art keywords
- ring
- seal
- sealing
- rotation axis
- seal ring
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- Expired - Fee Related
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Abstract
The utility model discloses a kind of powder machinery formula air-tight structure, belong to powder mixer technical field.It includes rotation axis, ring seal set, tenses axle sleeve, outer press cover, sealing gland seat, resilient seal ring, interior retainer ring, internal gland, packing, dustproof seal ring, lip-shaped sealed ring, installing plate.Inside from staving outwards, packing, resilient seal ring, dustproof seal ring, lip-shaped sealed ring four-layer seal sealing structure are passed sequentially through in rotation axis, prevents dust leakage and impurity from entering；Gas chamber is equipped between resilient seal ring, dustproof seal ring, compressed air is inwardly imported by the air flue of sealing gland seat, realizes pressurized seal, the dust for entering resilient seal Huan Chu gaps is blown out, reduces powder friction, prevent sealing structure from wearing by gas；Multiple machine formula sealing structure cooperates, and can prevent dust from leaking to enter with impurity, can reduce the friction of dust generation by pneumostop structure, reduce the abrasion to sealing structure.
Description
Technical field
A kind of powder machinery formula air-tight structure is the utility model is related to, belongs to powder mixer technical field.
Background technology
Powder mixer is a kind of by the well-mixed equipment of powder, the sealing requirements of powder mixer rotation shaft portion
It is very high.At present, the sealing device of diversified forms is employed on the main shaft of powder mixer, but is come for fine grain powder
Say, once into the gap of between centers, be easy to cause the abrasion on axis surface, and the cost of rotation axis is very big, further, since abrasion
After causing leakproofness variation, pollutant is easily accessible in tempering tank body, and internal powder is easily leaked to outside.
The content of the invention
The technical problem to be solved by the utility model is to：A kind of powder machinery formula air-tight structure is provided, it is solved
The sealing effect of current powder mixer rotation axis is poor, the problem of easily producing abrasion.
Technical problem to be solved in the utility model takes following technical scheme to realize：
A kind of powder machinery formula air-tight structure, it includes rotation axis, ring seal set, tenses axle sleeve, outer press cover, sealing gland
Seat, resilient seal ring, interior retainer ring, internal gland, packing, dustproof seal ring, lip-shaped sealed ring, installing plate；
Sealing is fixed with ring seal set and tenses axle sleeve in the rotation axis, and ring seal is covered and tensed by screw
Axle sleeve is locked and fixed on the rotary shaft；
The outer press cover, sealing gland seat, resilient seal ring, interior retainer ring, internal gland are sequentially fixed at together by screw, shape
Into a hollow cavity, the ring seal in rotation axis is covered and tensed axle sleeve and is partially placed into hollow cavity；
Packing is fixed by packing_seal, and by internal gland between the interior retainer ring and rotation axis；
Sealed between described sealing gland seat one end and ring seal set by dustproof seal ring, the sealing gland seat other end and interior fixation
Resilient seal ring is fixed between ring, the ring seal that resilient seal ring is fitted tightly over rotation axis is put on, and is set in the middle part of sealing gland seat
There is air flue, form gas chamber between dustproof seal ring, sealing gland seat, resilient seal ring, ring seal set, compressed air passes through air flue
Blow into air inlet chamber to gap, form pressurized seal；
Sealed between the outer press cover and tension axle sleeve by lip-shaped sealed ring；
The sealing gland seat has been screwed installing plate, and installing plate is fixed with staving sealing welding.
O-ring seal is equipped with as preferred embodiment, between the rotation axis and ring seal set to seal..
The beneficial effects of the utility model are：Inside from staving outwards, packing, resilient seal are passed sequentially through in rotation axis
Ring, dustproof seal ring, lip-shaped sealed ring four-layer seal sealing structure, prevent dust leakage and impurity from entering；Resilient seal ring, prevent
Gas chamber is equipped between dirt sealing ring, compressed air is inwardly imported by the air flue of sealing gland seat, realizes pressurized seal, gas will enter
The dust blowout in resilient seal Huan Chu gaps, reduces powder friction, prevents sealing structure from wearing；Multiple machine formula sealing structure phase
Mutually coordinate, can prevent dust from leaking to enter with impurity, the friction of dust generation can be reduced by pneumostop structure, reduce
Abrasion to sealing structure.
Brief description of the drawings
Fig. 1 is the structure diagram of the utility model.
In figure：Rotation axis 1, ring seal set 2, tenses axle sleeve 3, outer press cover 4, sealing gland seat 5, resilient seal ring 6, interior fixation
Ring 7, internal gland 8, packing 9, dustproof seal ring 10, lip-shaped sealed ring 11, installing plate 12, air flue 13, staving 14, O-ring seal
15。
Embodiment
In order to which the technical means, creative features, achievable purpose and effectiveness to the utility model are easy to understand, tie below
Conjunction is specifically illustrating, and the utility model is expanded on further.
As shown in Figure 1, a kind of powder machinery formula air-tight structure, it includes rotation axis 1, ring seal set 2, tenses axle sleeve
3rd, outer press cover 4, sealing gland seat 5, resilient seal ring 6, interior retainer ring 7, internal gland 8, packing 9, dustproof seal ring 10, lip-shaped sealed ring
11st, installing plate 12；
Sealing is fixed with ring seal set 2 and tenses axle sleeve 3 in rotation axis 1, by ring seal set 2 and is tensed by screw
Axle sleeve 3 is locked and is fixed in rotation axis 1；
Outer press cover 4, sealing gland seat 5, resilient seal ring 6, interior retainer ring 7, internal gland 8 are sequentially fixed at together by screw,
A hollow cavity is formed, the ring seal set 2 in rotation axis 1 and tension axle sleeve 3 are partially placed into hollow cavity；
Sealed by packing 9 between interior retainer ring 7 and rotation axis 1, and be fixed packing 9 by internal gland 8；
5 one end of sealing gland seat and ring seal set 2 between sealed by dustproof seal ring 10,5 other end of sealing gland seat with it is interior solid
Determine to be fixed with resilient seal ring 6 between ring 7, resilient seal ring 6 is fitted tightly on the ring seal set 2 of rotation axis 1, sealing gland seat
5 middle parts are equipped with air flue 13, form gas chamber between dustproof seal ring 10, sealing gland seat 5, resilient seal ring 6, ring seal set 2, press
Contracting air is blown by air flue 13 into air inlet chamber to gap, forms pressurized seal；
Sealed between outer press cover 4 and tension axle sleeve 3 by lip-shaped sealed ring 11；
Sealing gland seat 5 has been screwed installing plate 12, and installing plate 12 is fixed with 14 sealing welding of staving.
Sealed between rotation axis 1 and ring seal set 2 equipped with O-ring seal 15.
From the inside of staving 14 outwards, packing 9, resilient seal ring 6, dustproof seal ring 10, lip type are passed sequentially through in rotation axis 1
11 four-layer seal sealing structure of sealing ring, prevents dust leakage and impurity from entering；Between resilient seal ring 6, dustproof seal ring 10
Equipped with gas chamber, compressed air is inwardly imported by the air flue 13 of sealing gland seat 5, realizes pressurized seal, gas will enter resilient seal
The dust blowout in gap, reduces powder friction, prevents sealing structure from wearing at ring 6；Multiple machine formula sealing structure cooperates,
It can prevent dust from leaking to enter with impurity, the friction of dust generation can be reduced by pneumostop structure, reduce to sealing
The abrasion of structure.
The advantages of basic principle and main feature and the utility model of the utility model has been shown and described above.One's own profession
The technical staff of industry it should be appreciated that the present utility model is not limited to the above embodiments, do not depart from the utility model spirit and
On the premise of scope, the utility model also has various changes and modifications, these changes and improvements both fall within the utility model will
In the range of asking protection.The protection scope of the present invention is defined by the appended claims and their equivalents.
Claims (2)
- A kind of 1. powder machinery formula air-tight structure, it is characterised in that：It includes rotation axis, ring seal set, tenses axle sleeve, is outer Gland, sealing gland seat, resilient seal ring, interior retainer ring, internal gland, packing, dustproof seal ring, lip-shaped sealed ring, installing plate；Sealing is fixed with ring seal set and tenses axle sleeve in the rotation axis, covers and tense axle sleeve by ring seal by screw Lock and fix on the rotary shaft；The outer press cover, sealing gland seat, resilient seal ring, interior retainer ring, internal gland are sequentially fixed at together by screw, form one A hollow cavity, covers and tenses axle sleeve by the ring seal in rotation axis and be partially placed into hollow cavity；Packing is fixed by packing_seal, and by internal gland between the interior retainer ring and rotation axis；Sealed between described sealing gland seat one end and ring seal set by dustproof seal ring, the sealing gland seat other end and interior retainer ring it Between be fixed with resilient seal ring, the ring seal that resilient seal ring is fitted tightly over rotation axis is put on, and is equipped with gas in the middle part of sealing gland seat Road, forms gas chamber, compressed air is entered by air flue between dustproof seal ring, sealing gland seat, resilient seal ring, ring seal set Gas chamber is blown to gap, forms pressurized seal；Sealed between the outer press cover and tension axle sleeve by lip-shaped sealed ring；The sealing gland seat has been screwed installing plate, and installing plate is fixed with staving sealing welding.
- A kind of 2. powder machinery formula air-tight structure according to claim 1, it is characterised in that：The rotation axis and rotating ring are close O-ring seal is equipped between big envelope to seal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721366414.1U CN207349437U (en) | 2017-10-23 | 2017-10-23 | A kind of powder machinery formula air-tight structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721366414.1U CN207349437U (en) | 2017-10-23 | 2017-10-23 | A kind of powder machinery formula air-tight structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207349437U true CN207349437U (en) | 2018-05-11 |
Family
ID=62355437
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721366414.1U Expired - Fee Related CN207349437U (en) | 2017-10-23 | 2017-10-23 | A kind of powder machinery formula air-tight structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207349437U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109237044A (en) * | 2018-10-31 | 2019-01-18 | 东莞市华汇精密机械有限公司 | A kind of dry-type encapsulated device for twin-screw dry powder pump |
| CN114754078A (en) * | 2022-04-12 | 2022-07-15 | 安徽百特机电工程有限公司 | Sealed blowback device of lifting machine bottom bearing |
-
2017
- 2017-10-23 CN CN201721366414.1U patent/CN207349437U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109237044A (en) * | 2018-10-31 | 2019-01-18 | 东莞市华汇精密机械有限公司 | A kind of dry-type encapsulated device for twin-screw dry powder pump |
| CN114754078A (en) * | 2022-04-12 | 2022-07-15 | 安徽百特机电工程有限公司 | Sealed blowback device of lifting machine bottom bearing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180511 Termination date: 20211023 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |