CN205639616U - Rotatory gas seal device - Google Patents
Rotatory gas seal device Download PDFInfo
- Publication number
- CN205639616U CN205639616U CN201620524644.5U CN201620524644U CN205639616U CN 205639616 U CN205639616 U CN 205639616U CN 201620524644 U CN201620524644 U CN 201620524644U CN 205639616 U CN205639616 U CN 205639616U
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- utility
- model
- sealing
- rotatory
- mounting framework
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Abstract
The utility model provides a rotatory gas seal device, belongs to equipment gas sealing technique field. The utility model discloses a to solve traditional rotatory gas sealing assembly ubiquitous job stabilization performance poor, the cost is higher, the structure is complicated, and the low problem of life. The utility model discloses a rotatory gas seal device, including rotation axis, lathe body and atmoseal structure, the atmoseal structure is including installation skeleton, two rotatory pressure oil blankets, gland and two sealing washers, the setting of installation skeleton is between rotation axis and lathe body, and the mount table has all been offered at the upper and lower both ends of installation skeleton, is provided with a rotatory pressure oil blanket on every mount table, and the lower extreme of installation skeleton passes through gland and this body coupling of lathe, and transversely open at the middle part of installation skeleton has the via hole, via hole and lathe body route and rotation axis route intercommunication, be provided with two sealing washers between lateral wall and the lathe body of installation skeleton. The utility model discloses a rotatory gas seal device strong adaptability, it is with low costs, longe -lived, job stabilization.
Description
Technical field
This utility model relates to a kind of gas sealing mechanism, is specifically related to a kind of rotary pneumatic sealing device, belongs to equipment hermetic seal skill
Art field.
Background technology
Rotary pneumatic seal assembly compensates one of core control portions of system as machine spindle automatic tensioning cutter, and can it stablize work
Directly determine product processing quality.And traditional rotary pneumatic seal assembly generally to there is working stability performance poor, cost is relatively
Height, structure is complicated, and the problem that service life is low, causes product processing quality unstable, and percent defective and defect rate are climbed to a higher point not
Under.
Utility model content
Given below about brief overview of the present utility model, in order to provide about of the present utility model in terms of some
Basic comprehension.Should be appreciated that this general introduction is not to summarize about exhaustive of the present utility model.It is not intended to determine
Key of the present utility model or pith, be not intended limitation scope of the present utility model.Its purpose is only to simplify
Form provide some concept, in this, as the preamble in greater detail discussed after a while.
In consideration of it, this utility model provides a kind of rotary pneumatic sealing device, at least to solve traditional rotary pneumatic seal assembly
Generally there is working stability performance poor, relatively costly, structure is complicated, and the problem that service life is low.
According to an aspect of the present utility model, it is provided that a kind of rotary pneumatic sealing device, including rotary shaft, machine body and
Air seal structure part, air seal structure part includes mounting framework, two rotational pressure oil sealings, gland and two sealing rings；Described peace
Dress skeleton is arranged between rotary shaft and machine body, and the two ends up and down of mounting framework all offer erecting bed, each erecting bed
On be provided with a rotational pressure oil sealing, the lower end of mounting framework is connected with machine body by gland, the middle part of mounting framework
Laterally have via, described via and machine body path and rotary shaft communication；The lateral wall of described mounting framework and machine
It is provided with two sealing rings between bed body.
Further: described rotational pressure oil sealing is that politef adds carbon fiber oil sealing.It is arranged such, utilizes polytetrafluoroethyl-ne
Alkene adds the pressure rotary oil seal of carbon fibre materials as main seal, and operating pressure can reach 10MPa, maximum line velocity
Up to 14m/s.
Further: sealing ring is O RunddichtringO.It is arranged such, strengthens sealing effectiveness.
Further: the outer face of described rotational pressure oil sealing is concordant with the upper and lower end face of mounting framework.It is arranged such, strengthens
Sealing effectiveness.
The effect that a kind of rotary pneumatic sealing device that the utility model proposes is reached is: rotary pneumatic sealing device strong adaptability,
Low cost, the life-span is long, and job stability is strong, can be applicable to, on the various main shaft with cutter compensation of rising, have a wide range of applications
Space and prospect.
Feature of the present utility model is:
(1) simple in construction, reliable operation, with low cost；
(2) higher rotation speed can be carried；
(3) life-span is long, and easy to maintenance.
Accompanying drawing explanation
Fig. 1 is the overall structure figure of a kind of rotary pneumatic sealing device according to embodiment of the present utility model；
Fig. 2 is the air seal structure part schematic diagram according to embodiment of the present utility model；
In figure: 1-rotary shaft；2-machine body；3-mounting framework；4-rotational pressure oil sealing；5-gland；6-sealing ring；7-
Via；8-machine body path；9-rotary shaft path.
Detailed description of the invention
Hereinafter in connection with accompanying drawing, one exemplary embodiment of the present utility model is described.For clarity and conciseness,
All features of actual embodiment are not the most described.It should be understood, however, that it is any this actual real in exploitation
Must make during executing example much specific to the decision of embodiment, in order to realize the objectives of developer, such as,
Meet those restrictive conditions relevant to system and business, and these restrictive conditions may be along with the difference of embodiment
Change.Additionally, it also should be appreciated that, although development is likely to be extremely complex and time-consuming, but to having benefited from this
For those skilled in the art of utility model disclosure, this development is only routine task.
Here, also need to explanation a bit, in order to avoid having obscured this utility model because of unnecessary details, at accompanying drawing
In illustrate only with according to the closely-related apparatus structure of scheme of the present utility model and/or process step, and eliminate with
Other details that this utility model relation is little.
As shown in Figure 1 to Figure 2, embodiment of the present utility model provides a kind of rotary pneumatic sealing device, including rotary shaft 1,
Machine body 2 and air seal structure part, air seal structure part includes 3, two rotational pressure oil sealings 4 of mounting framework, gland 5 and
Two sealing rings 6；Described mounting framework 3 is arranged between rotary shaft 1 and machine body 2, up and down the two of mounting framework 3
End all offers erecting bed, and each erecting bed is provided with a rotational pressure oil sealing 4, and the lower end of mounting framework 3 is by pressure
Lid 5 is connected with machine body 2, and the middle part of mounting framework 3 laterally has via 7, described via 7 and machine body path
8 and rotary shaft path 9 connect；It is provided with two sealing rings 6 between lateral wall and the machine body 2 of described mounting framework 3.
During work, compressed air enters from machine body path, through the via 7 of mounting framework 3 through the rotation of rotary shaft 1
Rotating shaft path, enters back into the cutter head that rises, by rotational pressure oil sealing sealing compressed air, it is ensured that rise cutter pressure stability.
In particular: described rotational pressure oil sealing 4 adds carbon fiber oil sealing for politef.It is arranged such, utilizes polytetrafluoro
Ethylene adds the pressure rotary oil seal of carbon fibre materials as main seal, and operating pressure can reach 10MPa, maximum line speeds
Degree is up to 14m/s.
In particular: sealing ring 6 is O RunddichtringO.It is arranged such, strengthens sealing effectiveness.
In particular: the outer face of described rotational pressure oil sealing 4 is concordant with the upper and lower end face of mounting framework 3.It is arranged such,
Strengthen sealing effectiveness.
Although the embodiment disclosed in this utility model is as above, but its content is only to facilitate understand skill of the present utility model
Art scheme and the embodiment that uses, be not intended to limit this utility model.In any this utility model art
Technical staff, on the premise of without departing from the core technology scheme disclosed in this utility model, can be in the form implemented with thin
Any amendment and change being made on joint, but the protection domain that this utility model is limited, still must limit with appending claims
In the range of standard.
Claims (4)
1. a rotary pneumatic sealing device, including rotary shaft (1), machine body (2) and air seal structure part, its feature
It is: air seal structure part includes mounting framework (3), two rotational pressure oil sealings (4), gland (5) and two sealings
Circle (6)；Described mounting framework (3) is arranged between rotary shaft (1) and machine body (2), mounting framework (3)
Two ends up and down all offer erecting bed, each erecting bed is provided with a rotational pressure oil sealing (4), mounting framework (3)
Lower end be connected with machine body (2) by gland (5), the middle part of mounting framework (3) laterally has via (7),
Described via (7) connects with machine body path (8) and rotary shaft path (9)；The outside of described mounting framework (3)
Two sealing rings (6) it are provided with between wall and machine body (2).
A kind of rotary pneumatic sealing device the most according to claim 1, it is characterised in that: described rotational pressure oil sealing (4)
Carbon fiber oil sealing is added for politef.
A kind of rotary pneumatic sealing device the most according to claim 2, it is characterised in that: sealing ring (6) is O type
Sealing ring.
A kind of rotary pneumatic sealing device the most according to claim 3, it is characterised in that: described rotational pressure oil sealing (4)
Outer face concordant with the upper and lower end face of mounting framework (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620524644.5U CN205639616U (en) | 2016-06-01 | 2016-06-01 | Rotatory gas seal device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620524644.5U CN205639616U (en) | 2016-06-01 | 2016-06-01 | Rotatory gas seal device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205639616U true CN205639616U (en) | 2016-10-12 |
Family
ID=57051107
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620524644.5U Expired - Fee Related CN205639616U (en) | 2016-06-01 | 2016-06-01 | Rotatory gas seal device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205639616U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112747118A (en) * | 2020-12-30 | 2021-05-04 | 中南大学 | Shaft end sealing device of powder material mixing equipment and mounting method thereof |
-
2016
- 2016-06-01 CN CN201620524644.5U patent/CN205639616U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112747118A (en) * | 2020-12-30 | 2021-05-04 | 中南大学 | Shaft end sealing device of powder material mixing equipment and mounting method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161012 Termination date: 20190601 |