CN108050251A - Air sac sealing type vacuum kneader - Google Patents
Air sac sealing type vacuum kneader Download PDFInfo
- Publication number
- CN108050251A CN108050251A CN201711274272.0A CN201711274272A CN108050251A CN 108050251 A CN108050251 A CN 108050251A CN 201711274272 A CN201711274272 A CN 201711274272A CN 108050251 A CN108050251 A CN 108050251A
- Authority
- CN
- China
- Prior art keywords
- air sac
- sac sealing
- controller
- air
- control valve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 55
- 210000004712 air sac Anatomy 0.000 title claims abstract description 39
- 239000000945 filler Substances 0.000 claims abstract description 23
- 210000004907 gland Anatomy 0.000 claims abstract description 12
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims abstract description 10
- 239000004810 polytetrafluoroethylene Substances 0.000 claims abstract description 10
- -1 polytetrafluoroethylene Polymers 0.000 claims abstract description 4
- 239000010687 lubricating oil Substances 0.000 claims description 9
- 230000009467 reduction Effects 0.000 claims description 2
- 230000001105 regulatory effect Effects 0.000 claims description 2
- 239000002775 capsule Substances 0.000 claims 1
- 230000008859 change Effects 0.000 abstract description 3
- 230000007423 decrease Effects 0.000 abstract description 3
- 235000021067 refined food Nutrition 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000003921 oil Substances 0.000 description 3
- 238000012856 packing Methods 0.000 description 3
- 230000001050 lubricating effect Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229910001188 F alloy Inorganic materials 0.000 description 1
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009954 braiding Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 229920001643 poly(ether ketone) Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000001959 radiotherapy Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/46—Sealings with packing ring expanded or pressed into place by fluid pressure, e.g. inflatable packings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/162—Special parts or details relating to lubrication or cooling of the sealing itself
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Architecture (AREA)
- Fluid Mechanics (AREA)
- Food-Manufacturing Devices (AREA)
Abstract
The invention discloses a kind of air sac sealing type vacuum kneader, the filler in stuffing box is polytetrafluoroethylene (PTFE) set, and air sac sealing circle is provided between filler and gland.Air sac sealing circle unicom gas tube, is connected with control valve on gas tube, and the pressure in air sac sealing circle can follow the change of rotating speed and adjust.Present invention decreases the attritions of reamer axis and air bag, reduce the driving resistance and power consumption of driving motor, bring the higher security of processed food.
Description
Technical field
The present invention relates to a kind of sealing techniques for mediating machinery.
Background technology
Vacuum kneader is a kind of common chemical mechanism, the reamer axis of common vacuum kneader when rotated,
The braiding soft packing of necked part（It is commonly called as packing）The sealing to axis is realized, so that the air outside pot does not enter in pot
Portion makes pot nside under the action of vacuum pump, reaches certain vacuum degree.However, due to the long-term rotation of reamer axis, will fill out
Grinding abrasion makes sealing effect progressively decline the phenomenon that leaks air；More troublesome to be, the filler powder being worn negative pressure in pot is made
Under, contaminated material among the in vivo material of pot is constantly inhaled into（Such as what is stirred in pot is food）, this problem
The many enterprises of long-standing problem, although filler can alleviate the decline of vacuum degree to a certain extent and material leakage shows by exchanging
As, but the sealing structure of braided packing for these years allows everybody all to feel that defect is difficult to overcome.
Number of patent application is that 2012104486397 innovation and creation are related to the upper cover sealing structure of kneader, including mediating
The cylinder body of machine and set upper cover, cylinder body it is opening up, cylinder body front openings while height less than its left and right sides wall opening while
Highly, the upper cover of cylinder body is set to fold type structure, and cylinder cover is flexibly connected with the rear wall of cylinder body, and upper cover is flipped up opening
The opening is downwardly turned over and is connected with the side of opening formation seal closure, and integrally closed opening.The mechanical seal structure does not have
It is flexible, and its operating vibrations when poor sealing.
The invention that number of patent application is 2012104490918 is related to kneader elasticity axle sealing structure, including autoclave body, paddle shaft and paddle
Leaf, paddle shaft are connected with blade, and blade connection bearing shell, the root that blade is connected with paddle shaft is equipped with groove, and washer, kettle are equipped in groove
Body is equipped with flange, and sealing ring is equipped between flange and washer, and the material of washer includes four fluorine alloy of polyether-ketone；Flange passes through spiral shell
Bolt and spring are connected with autoclave body, and spring is set on bolt and oppresses flange screw sealing ring.The invention is controlled close by spring
Seal has certain elasticity, but is the absence of being flexibly connected, and noise is big during operation, and failure rate of machinery is high.
Number of patent application be 2016107603916 a kind of air sac sealing sleeve expansion joint, including sealed letter, inner sleeve and
Gland, sealed letter, which includes one end, to be had the sealed letter body of outward flange and is located at the support ring in sealed letter body on wall, inner sleeve jacket casing
It is located in sealed letter body, gland is located between inner sleeve and sealed letter body and is connected with sealed letter body, in inner sleeve, sealed letter
And multiple air bags are filled in the space formed between gland；It is equipped with to be filled with pressurization gas into air bag on each air bag
The suction nozzle of body.Though the invention employs air bag and seals, the pressure of air bag cannot automatically adjust, can not be poor with rotating speed Hubei Province
Different generation organically contacts, breaking-up easy to wear, and energy consumption is larger.
The content of the invention
Goal of the invention：
It provides a kind of leakproofness very well and can automatically adjust, do not bring the air sac sealing type vacuum kneader of pollution.
Technical solution：
The air sac sealing type vacuum kneader of the present invention has driving motor, reamer axis（Containing the reamer being fixed thereon）, surround
Reamer axis and the shell of inner space, stuffing box（Stuffing box is sealed by the basic parts structure such as filler babinet, filler, gland, bolt
Into being placed in the filler between filler box body and shaft under the axial compression of bolt power and gland, generation radially extends, and makes
Filler is close to the surrounding of shaft, and the lubricating oil added in from lubricating cup can make shape between the contact surface of filler and shaft when axis rotates
The oil film very thin into one layer, not only with lubricating action, but also can prevent medium in kettle escape and the infiltration of the outer gas of kettle）.
The filler be polytetrafluoroethylene (PTFE) set, have suitable hardness, corrosion resistance, self lubricity, filler with
Air sac sealing circle is provided between gland.
Its operation principle：Air sac sealing circle in stuffing box, is sleeved on reamer axis, and inside is by polytetrafluoroethylene (PTFE) set
Filler is withstood, and outside is glanded /V.Air sac sealing circle unicom gas tube can be passed through compressor in gas tube and be burdened with manufacture
Compressed air, when compressed air is entered from gas tube in air sac sealing circle, air bag will expand, so that its lip
Mouth is fitted close with axis.
Control valve is connected on gas tube, the air pressure in gas tube and air sac sealing circle, air sac sealing circle can be regulated and controled
On be connected with test internal gas pressure pressure sensor, separately have controller, controller passes through automatic control connection pressure respectively
Force snesor and control valve, when the pressure that pressure sensor measures is relatively low, controller instruction control valve aperture increases, to
Inside it is filled with compressed air；When the pressure that pressure sensor measures is higher, controller reduces control valve aperture, stops inside
It is filled with compressed air.
In the present invention, controller also has electric wiring to be connected with driving motor, when the rotating speed of driving motor is very fast,
When i.e. reamer axis rotates very fast, controller instruction control valve aperture increases after controller senses the increase of rotating speed, inwardly fills
Enter compressed air, the pressure of air sac sealing circle is bigger, and lip coordinates closer with axis.When driving motor rotating speed relatively it is slow even
During stopping namely reamer axis rotates relatively slow when even stopping, and controller senses controller instruction control valve after the reduction of rotating speed
Door aperture, which reduces, to be even closed, and stops inwardly being filled with compressed air, and the pressure of air sac sealing circle reduces, lip and axis Combined with Radiotherapy
Pine.
Because rotating speed is faster, stuffing box is more susceptible to the situation of gas leakage.Rotating speed is slower, is less susceptible to the feelings that leak air
Condition.So no matter why not together the speed of reamer rotating speed has, and the adaptation between air sac sealing circle and reamer axis is good, stuffing box
Be not in almost the situation of gas leakage always.
Elastic compensating that air sac sealing circle has the function of in itself and the dynamic compensation function for changing pressure with rotating speed,
The rotating speed of pressure in air sac sealing circle and reamer axis rotates faster into positive relation-changing, and vibration is bigger, and leakproofness is more difficult to control,
And the present invention has well solved this that topic.Sealing performance when its different rotating speeds works is that other seal forms are unrivaled
's.
Lubricating oil bringing device on the outside of air sac sealing circle is installed, lubricating oil is added to its outer wall, had both lubricated reamer axis
With the faying face of air sac sealing circle, reduce friction, and increase sealing performance.Temperature control dress is also associated on lubricating oil bringing device
It puts, lubricating oil temperature is controlled to prevent friction from causing high oil temperature, the aging of pneumatic bag sealing ring for 10-50 DEG C；Oil is prevented again
Temperature is too low, increases the viscosity resistance to reamer axis.
Advantageous effect：
1）, the application technology filled up the blank of kneader industry sealing technique.
2）, dynamic compensation leakproofness be higher than the sealing effect of other forms, pressure can sense and automatically adjust air inlet
Amount, reduces consuming excessively for compressed air；Moreover, the pressure in air sac sealing circle can also follow the change of rotating speed and adjust
Section reduces the attrition of cutter shaft and air bag, reduces the driving resistance and power consumption of driving motor.
3）, the application technology to user reduce maintenance shut-downs maintenance time, save labour cost.
4）, the application technology in actual use, filler is not easy to wear to be not easy ash, and good airproof performance is not easily accessible or leaks
Go out substance, bring the good wholesomeness of processed food for user, economic results in society are very considerable.
Description of the drawings
Fig. 1 is a kind of axial section structure diagram of the present invention；
In figure, 1- driving motors, 2- gearboxes, 3- shaft couplings, 4- glands, 5- fillers babinet, 6- fillers, 7- kneaders shell,
8- reamers, 9- reamers axis, 10- air sac sealings circle, 11- gas tubes, 12- control valves, 13- air compressor machines, 14- automatic controls circuit, 15-
Controller, 16- electric wirings.
Specific embodiment
Air sac sealing type vacuum kneader as shown in Figure 1 has driving motor, reamer axis, surrounds reamer axis and inside
Shell, filler babinet and its gland inside in space have filler, separately there is controller.Polytetrafluoroethylene (PTFE) set filler and gland it
Between be provided with air sac sealing circle, air sac sealing circle unicom gas tube, gas tube connect compressor is connected with control valve on gas tube
Door, can regulate and control the air pressure of gas tube and the compressed air in air sac sealing circle.
Controller separately has electric wiring to be connected with driving motor by automatic control line connection control valve, controller, when
When the rotating speed of driving motor is very fast, controller instruction control valve aperture increases after controller senses the increase of rotating speed；Work as drive
When the rotating speed of dynamic motor is relatively slow or even stops namely when reamer axis rotates relatively slow even stopping, controller senses subtracting for rotating speed
Controller instruction control valve aperture, which reduces, after small is even closed.
During present invention work, elastic compensating and change pressure with rotating speed that air sac sealing circle has the function of in itself
Dynamic compensation function so that it is with good sealing performance and sanitation performance.
Claims (6)
1. a kind of air sac sealing type vacuum kneader has the outer of driving motor, reamer axis, encirclement reamer axis and inner space
There is filler inside shell, filler babinet and its gland；It is characterized in that：Air sac sealing circle is provided between filler and gland,
Air sac sealing circle unicom gas tube, gas tube connect compressor are connected with control valve on gas tube, can regulate and control gas tube and
The air pressure of compressed air in air sac sealing circle.
2. the air sac sealing type vacuum kneader as described in claim 1, it is characterised in that：Filler is polytetrafluoroethylene (PTFE)
Set.
3. the air sac sealing type vacuum kneader as claimed in claim 1 or 2, it is characterised in that：Separately there are controller, gas
The pressure sensor of test internal gas pressure is connected on capsule sealing ring, controller is passed respectively by automatic control connection pressure
Sensor and control valve, when the pressure that pressure sensor measures is relatively low, controller instruction control valve aperture increases, and inwardly fills
Enter compressed air；When the pressure that pressure sensor measures is higher, controller reduces control valve aperture, and stopping being inwardly filled with
Compressed air.
4. the air sac sealing type vacuum kneader as claimed in claim 1 or 2, it is characterised in that：Separately there is controller, control
Device processed is by automatic control line connection control valve, and controller separately has electric wiring to be connected with driving motor, when driving motor
When rotating speed is very fast, controller instruction control valve aperture increases after controller senses the increase of rotating speed；When turning for driving motor
Speed is relatively slow when even stopping namely reamer axis rotates relatively slow when even stopping, and controller senses controller after the reduction of rotating speed
Control valve aperture is instructed to reduce even to be closed.
5. the air sac sealing type vacuum kneader as claimed in claim 1 or 2, it is characterised in that：In air sac sealing circle
Outside is equipped with lubricating oil bringing device, and lubricating oil is added to its outer wall.
6. the air sac sealing type vacuum kneader as claimed in claim 5, it is characterised in that：On lubricating oil bringing device
Temperature regulating device is also associated with, it is 10-50 DEG C to control lubricating oil temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711274272.0A CN108050251A (en) | 2017-12-06 | 2017-12-06 | Air sac sealing type vacuum kneader |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711274272.0A CN108050251A (en) | 2017-12-06 | 2017-12-06 | Air sac sealing type vacuum kneader |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108050251A true CN108050251A (en) | 2018-05-18 |
Family
ID=62121626
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711274272.0A Pending CN108050251A (en) | 2017-12-06 | 2017-12-06 | Air sac sealing type vacuum kneader |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108050251A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109621834A (en) * | 2018-12-24 | 2019-04-16 | 成都三可实业有限公司 | A kind of sugar material kneader with refrigerating function |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004190783A (en) * | 2002-12-11 | 2004-07-08 | Mitsubishi Heavy Ind Ltd | Dry gas seal type rotating machine and starting method thereof |
| CN2721978Y (en) * | 2004-08-26 | 2005-08-31 | 江苏牧羊集团有限公司 | Axial sealer |
| CN203862199U (en) * | 2014-05-30 | 2014-10-08 | 福建南方路面机械有限公司 | Shaft end sealing mechanism for stirring shaft |
| CN104482217A (en) * | 2014-11-04 | 2015-04-01 | 中国石油化工股份有限公司 | Self compensating type inflatable soft sealing method with remote control function |
| CN105697790A (en) * | 2015-12-09 | 2016-06-22 | 中国空气动力研究与发展中心超高速空气动力研究所 | Air inflation axial sealing device used in vacuum environment |
| CN205418891U (en) * | 2016-03-24 | 2016-08-03 | 湖北天宜机械股份有限公司 | Screw conveyer screw shaft gas seal device |
| CN106122655A (en) * | 2016-08-30 | 2016-11-16 | 洛阳双瑞特种装备有限公司 | A kind of air sac sealing sleeve expansion joint |
| CN107387774A (en) * | 2017-08-28 | 2017-11-24 | 浙江工业大学 | A kind of adaptive dry gas seals system regulated and controled online based on spring pressure |
| CN207661140U (en) * | 2017-12-06 | 2018-07-27 | 南通范氏机械有限公司 | Air bag axle envelope kneader |
-
2017
- 2017-12-06 CN CN201711274272.0A patent/CN108050251A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004190783A (en) * | 2002-12-11 | 2004-07-08 | Mitsubishi Heavy Ind Ltd | Dry gas seal type rotating machine and starting method thereof |
| CN2721978Y (en) * | 2004-08-26 | 2005-08-31 | 江苏牧羊集团有限公司 | Axial sealer |
| CN203862199U (en) * | 2014-05-30 | 2014-10-08 | 福建南方路面机械有限公司 | Shaft end sealing mechanism for stirring shaft |
| CN104482217A (en) * | 2014-11-04 | 2015-04-01 | 中国石油化工股份有限公司 | Self compensating type inflatable soft sealing method with remote control function |
| CN105697790A (en) * | 2015-12-09 | 2016-06-22 | 中国空气动力研究与发展中心超高速空气动力研究所 | Air inflation axial sealing device used in vacuum environment |
| CN205418891U (en) * | 2016-03-24 | 2016-08-03 | 湖北天宜机械股份有限公司 | Screw conveyer screw shaft gas seal device |
| CN106122655A (en) * | 2016-08-30 | 2016-11-16 | 洛阳双瑞特种装备有限公司 | A kind of air sac sealing sleeve expansion joint |
| CN107387774A (en) * | 2017-08-28 | 2017-11-24 | 浙江工业大学 | A kind of adaptive dry gas seals system regulated and controled online based on spring pressure |
| CN207661140U (en) * | 2017-12-06 | 2018-07-27 | 南通范氏机械有限公司 | Air bag axle envelope kneader |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109621834A (en) * | 2018-12-24 | 2019-04-16 | 成都三可实业有限公司 | A kind of sugar material kneader with refrigerating function |
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