CN105236147B - A kind of high vacuum type Blowing stopper - Google Patents
A kind of high vacuum type Blowing stopper Download PDFInfo
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- CN105236147B CN105236147B CN201510703969.XA CN201510703969A CN105236147B CN 105236147 B CN105236147 B CN 105236147B CN 201510703969 A CN201510703969 A CN 201510703969A CN 105236147 B CN105236147 B CN 105236147B
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- shell
- sealing strip
- high vacuum
- ptfe
- blowing stopper
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Abstract
The present invention relates to a kind of high vacuum type Blowing stoppers, it include: the shell of inner wall layer cylindrical hollow, shaft is through shell and bearing fit is on the end cap of the left and right sides of shell, in the shell and in being radially distributed with multiple wind isolation boards in shaft, the left and right ends of each wind isolation board are connected on a discoidal end plate, and the surrounding of the end plate, the outer edge of wind isolation board are equipped with the sealing strip with the sealing cooperation of the inner wall of the shell.The sealing strip includes: the graphene of 3-10wt%, under the conditions of normal pressure, 330-340 DEG C PTFE fusing package graphene (Preferable scheme is that: graphene has multilayer, and alternate be arranged in parallel and coated by PTFE), then condensation molding, graphene is used to increase PTFE(polytetrafluoroethylene (PTFE)) wear-resisting, anti-cold flow croop property, can be further ensured that vacuum degree and service life.
Description
Technical field
The present invention relates to the present invention relates to the auxiliary machinery of material transportation art, specially a kind of gas-solid two phases to fill
It sets.
Background technique
Blowing stopper is a kind of mechanical device for hindering gas to pass through by little particle, powdery, sheet material, is usually used in
At the discharge gate for installing the discharger to work under negative pressure, top receives the material of discharger discharge, rises by the impeller of rotation
The effect of conveying material, and be responsible for the effect of sealing, prevent from sucking air from discharge gate in process of pneumatic transmission, guarantee to unload
The normal discharge of glassware.
Current Blowing stopper is made of shell and impeller two parts, and impeller and shell keep small―gap suture state, still, with making
With the growth of time, damage in impeller amount increases, and sealability gradually weakens, and when may wear to a certain amount of, sealing effect is not achieved, and needs
Whole high vacuum type Blowing stopper is replaced, and when normal use, entered if any foreign matter, Yi Fasheng high vacuum type Blowing stopper is stuck
Phenomenon.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of heatproofs, wear-resisting, high vacuum high vacuum type Blowing stopper.
In order to solve the above-mentioned technical problems, the present invention provides a kind of high vacuum type Blowing stoppers, comprising: in inner wall layer cylindricality
Empty shell, shaft is through shell and bearing fit is on the end cap of the left and right sides of shell, and the shell is interior and in shaft
On be radially distributed with multiple wind isolation boards, the left and right ends of each wind isolation board are connected on a discoidal end plate, the end plate
Surrounding, wind isolation board outer edge be equipped with the sealing strip with the sealing cooperation of the inner wall of the shell.The sealing strip includes: graphite:
18-22wt%；Carbon fiber: 8-12wt%；PTFE: surplus.Carbon fiber is added in sealing strip, makes the machining property of its sealing strip
Can be good, and improve wear-resisting property；Simultaneously graphite have self-lubricating function, with PTFE ining conjunction with, can be further ensured that vacuum degree with
Service life；It was verified that using the Blowing stopper service life of the sealing strip, than the pass using sealing strip made of traditional material
10 times of blower length or more.
Or, sealing strip includes: the graphene of 3-10wt%, PTFE fusing package graphite under the conditions of normal pressure, 330-340 DEG C
Alkene (Preferable scheme is that: graphene has multilayer, and alternate be arranged in parallel and coated by PTFE), then condensation molding, using stone
Black alkene is to increase PTFE(polytetrafluoroethylene (PTFE)) wear-resisting, anti-cold flow croop property.It was verified that using the Blowing stopper of the sealing strip
Service life, than long 10 times of Blowing stopper or more that use sealing strip made of traditional material.
The section of the sealing strip is T-shaped or dove-tail form, four peripheral walls of the end plate, the outer edge of wind isolation board be equipped with
The type groove of the sealing strip cooperation.
The shell is spacer type, and housing bottom is equipped with the cooling water inlet communicated with the spacer of the shell, shell
Top is equipped with the cooling water outlet communicated with the spacer of the shell.
The high vacuum type Blowing stopper further includes set on the feed inlet of the housing tip and set on the housing bottom
Discharge port, the feed inlet, discharge port are communicated with the inner cavity of the shell.
The angle of two adjacent wind isolation boards is equal, and is equipped in the inner end of the angle along the shaft length direction
Distribution, connected with the sealing of the side wall of corresponding wind isolation board concave curved plate.
The inner sidewall upper limb of the end plate is equipped with annular groove, on the inner sidewall of the end plate, fixation adjacent with the annular groove
Restraining position ring block, the sealing strip are set in the type groove between the annular groove and stop collar.
The beneficial effects of the present invention are: the outside of the surrounding of the end plate of (1) high vacuum type Blowing stopper of the invention, wind isolation board
Edge is equipped with the sealing strip with the sealing cooperation of the inner wall of shell, which includes: graphite: 18-22wt%；Carbon fiber: 8-12wt%；
PTFE: surplus.Carbon fiber is added in sealing strip, keeps the machining property of its sealing strip good, and improve wear-resisting property；Stone simultaneously
There is ink self-lubricating function can be further ensured that vacuum degree and service life in conjunction with PTFE.(2) present invention in, it is described in
Shell is spacer type, adopts and is water-cooled, and can prevent material from overheating, and the service life of the extension bearing of high vacuum type Blowing stopper.
(3) present invention in, the feed inlet use anti-blocking design, i.e., feed inlet bore be less than discharge port bore, if when bore is identical
Feeding inlet installs inclined plate guide additional in its entrance front end according to rotation direction, and material is prevented to be squeezed and cause adhesion；Prevent adhesion
" halar " coating or " PFA " coating also can be used other than improving the finish of feed inlet, it is ensured that can not glue in effective measures
Material, but opposite use temperature is greater than 160 DEG C.(4) in the present invention, the left bearing is sliding bearing, can be overcome because swollen
It is swollen it is asynchronous caused by displacement and deviation, and then make high vacuum type Blowing stopper operation it is more stable.(5) described in the present invention
Shell, wind isolation board are all made of whole accurate casting, and shell inner surface is hard using mill processing or thermal spraying hard alloy, or plating
Its surface smoothness can be improved in chromium；Impeller uses plating hard chrome after blasting treatment that can improve wear-resistant strength.
Detailed description of the invention
In order to make the content of the present invention more clearly understood, below according to specific embodiment and in conjunction with attached drawing,
The present invention is described in further detail, wherein
Fig. 1 is the general structure schematic diagram of outage vacuum type Blowing stopper of the invention；
The structural schematic diagram for the core that Fig. 2 is the shaft, multiple wind isolation boards and end plate are assembled into；
Fig. 3 is the B-B sectional structure chart of the core；
Fig. 4 is the end face structure view of the core；
Fig. 5 is the A-A sectional structure chart of Fig. 4；
Fig. 6 is the enlarged drawing of the local I of Fig. 1；
Fig. 7 is the C-C sectional structure chart of Fig. 6；
Fig. 8 is another C-C sectional structure chart of Fig. 6.
Specific embodiment
Embodiment 1
The outage vacuum type Blowing stopper of the present embodiment includes: the shell 1 of inner wall layer cylindrical hollow, and shaft 2 is through shell 1
And bearing fit is on the end cap 6 of the left and right sides of shell 1, in the shell 1 and in be radially distributed in shaft 2 it is multiple every
Aerofoil 4, the left and right ends of each wind isolation board 4 are connected on a discoidal end plate 5, the surrounding of the end plate 5, wind isolation board 4
Outer edge be equipped with the sealing strip with the sealing cooperation of the inner wall of the shell 1.The sealing strip includes: graphite: 20wt%；Carbon fiber:
10wt%；PTFE: surplus.Or, sealing strip includes: the graphene of 3-10wt%, PTFE melts under the conditions of normal pressure, 330-340 DEG C
Graphene (Preferable scheme is that: graphene has multilayer, and alternate be arranged in parallel and coated by PTFE) is wrapped up, is then condensed into
Type uses graphene to increase PTFE(polytetrafluoroethylene (PTFE)) wear-resisting, anti-cold flow croop property.It was verified that using the present invention
Sealing strip Blowing stopper service life, than use sealing strip made of traditional material Blowing stopper long service life 10 again with
On.
The T-shaped sealing strip 51 of the section of the sealing strip or dove-tail form sealing strip 52, four peripheral walls of the end plate 5, every wind
The outer edge of plate 4 is equipped with the type groove cooperated with the sealing strip.
The shell 1 is spacer type, and 1 bottom of shell is equipped with the cooling water inlet 31 communicated with the spacer of the shell 1, shell
The top of body 1 is equipped with the cooling water outlet 32 communicated with the spacer of the shell 1.
The high vacuum type Blowing stopper further includes set on the feed inlet 9 on 1 top of shell and set on 1 bottom end of shell
Discharge port 10, the feed inlet 9, discharge port 10 are communicated with the inner cavity of the shell 1.
The angle of two adjacent wind isolation boards 4 is equal, and is equipped in the inner end of the angle along the 2 length side of shaft
The connected concave curved plate of to distribution, with corresponding wind isolation board 4 side wall sealing.
The inner sidewall upper limb of the end plate 5 is equipped with annular groove, on the inner sidewall of the end plate 5, adjacent with the annular groove solid
Determine restraining position ring block 8, annular sealing strip 7 is set in the type groove between the annular groove and stop collar 8.
Obviously, the above embodiment is merely an example for clearly illustrating the present invention, and is not to of the invention
The restriction of embodiment.For those of ordinary skill in the art, it can also be made on the basis of the above description
Its various forms of variation or variation.There is no necessity and possibility to exhaust all the enbodiments.And these belong to this hair
The obvious changes or variations that bright spirit is extended out are still in the protection scope of this invention.
Claims (7)
1. a kind of high vacuum type Blowing stopper, comprising: the shell (1) of inner wall layer cylindrical hollow, shaft (2) through shell (1) simultaneously
Bearing fit is radially distributed in the shell (1) and on shaft (2) on the end cap (6) of the left and right sides of shell (1)
Multiple wind isolation boards (4), the left and right ends of each wind isolation board (4) are connected on a discoidal end plate (5), it is characterised in that:
The surrounding of the end plate (5), the outer edge of wind isolation board (4) are equipped with the sealing strip with the sealing cooperation of the inner wall of the shell (1)；
Sealing strip includes: the graphene of 3-10wt%, PTFE fusing package graphene, graphite under the conditions of normal pressure, 330-340 DEG C
Alkene has multilayer, and alternate be arranged in parallel and coated by PTFE；To increase wear-resisting, the anti-cold flow croop property of polytetrafluoroethylene (PTFE).
2. high vacuum type Blowing stopper according to claim 1, it is characterised in that: the section of the sealing strip is T-shaped or swallow
Tail type, four peripheral walls of the end plate (5), the outer edge of wind isolation board (4) are equipped with the type groove cooperated with the sealing strip.
3. high vacuum type Blowing stopper according to claim 1, it is characterised in that: the shell (1) is spacer type, shell
(1) bottom is equipped with the cooling water inlet (31) communicated with the spacer of the shell (1), and the top of shell (1) is equipped with and the shell
The cooling water outlet (32) that the spacer of body (1) communicates.
4. high vacuum type Blowing stopper according to claim 1, it is characterised in that: further include being set to the shell (1) top
Feed inlet (9) and be set to the discharge port (10) of shell (1) bottom end, the feed inlet (9), discharge port (10) and the shell
(1) inner cavity communicates.
5. high vacuum type Blowing stopper according to claim 1, it is characterised in that: the angle phase of adjacent two wind isolation boards (4)
Deng, and in the inner end of the angle equipped with being distributed along the shaft (2) length direction, with corresponding wind isolation board (4)
The connected concave curved plate of side wall sealing.
6. high vacuum type Blowing stopper according to claim 1, it is characterised in that: the inner sidewall upper limb of the end plate (5) is set
There is an annular groove, on the inner sidewall of the end plate (5), fixed restraining position ring block (8) adjacent with the annular groove, the sealing strip is set to should
In type groove between annular groove and stop collar (8).
7. high vacuum type Blowing stopper according to claim 1, it is characterised in that: be covered with nano-sized carbon on sealing strip from inside to outside
Fiber, high density PTFE coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510703969.XA CN105236147B (en) | 2015-10-26 | 2015-10-26 | A kind of high vacuum type Blowing stopper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510703969.XA CN105236147B (en) | 2015-10-26 | 2015-10-26 | A kind of high vacuum type Blowing stopper |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105236147A CN105236147A (en) | 2016-01-13 |
| CN105236147B true CN105236147B (en) | 2019-07-23 |
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ID=55034050
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510703969.XA Active CN105236147B (en) | 2015-10-26 | 2015-10-26 | A kind of high vacuum type Blowing stopper |
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| CN (1) | CN105236147B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111683885B (en) | 2018-02-06 | 2022-06-03 | 申克普若赛斯欧洲有限公司 | System for fastening a seal to a rotor blade of a rotary feeder |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101248284A (en) * | 2005-08-01 | 2008-08-20 | Skf股份公司 | Sealing device and method of producing the same |
| CN101955053A (en) * | 2009-07-15 | 2011-01-26 | 朱玉玲 | High-airtight anti-wear airlock |
-
2015
- 2015-10-26 CN CN201510703969.XA patent/CN105236147B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101248284A (en) * | 2005-08-01 | 2008-08-20 | Skf股份公司 | Sealing device and method of producing the same |
| CN101955053A (en) * | 2009-07-15 | 2011-01-26 | 朱玉玲 | High-airtight anti-wear airlock |
Non-Patent Citations (1)
| Title |
|---|
| 碳纤维及石墨填充聚四氟乙烯复合材料的摩擦学性能研究;杨丽君等;《材料科学与工程学报》;20041031;第22卷(第5期);第707页最后一段 |
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| Publication number | Publication date |
|---|---|
| CN105236147A (en) | 2016-01-13 |
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