CN207661140U - Air bag axle envelope kneader - Google Patents
Air bag axle envelope kneader Download PDFInfo
- Publication number
- CN207661140U CN207661140U CN201721677947.1U CN201721677947U CN207661140U CN 207661140 U CN207661140 U CN 207661140U CN 201721677947 U CN201721677947 U CN 201721677947U CN 207661140 U CN207661140 U CN 207661140U
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- China
- Prior art keywords
- filler
- kneader
- air bag
- air
- controller
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- Sealing Devices (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
The utility model discloses a kind of air bag axle envelope 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.The utility model reduces the attrition of reamer axis and air bag, reduces the driving resistance and power consumption of driving motor, brings the higher safety of processed food.
Description
Technical field
The utility model is related to a kind of kneading machinery and its sealing structures.
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, to make the air outside pot body not enter in pot body
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 gradually decline the phenomenon that leaks air；More troublesome to be, the filler powder being worn negative pressure in pot is made
Under, it is constantly inhaled into contaminated material among the material in pot body（Such as what is stirred in pot is food）, this problem
The many enterprises of long-standing problem, although by exchange filler can alleviate to a certain extent vacuum degree decline and material leakage it is existing
As, but the sealing structure of braided packing for these years allows everybody all to feel that defect is difficult to overcome.
The innovation and creation that number of patent application is 2012104486397 are related to the upper cover sealing structure of kneader, including mediate
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 as 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 connect with the side of opening formation seal closure, and integrally closed is open.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 blade, paddle shaft are connect with blade, blade connects bearing shell, and the root that blade is connect with paddle shaft is equipped with groove, pad is equipped in groove
Circle, autoclave body are equipped with flange, sealing ring are equipped between flange and washer, the material of washer includes four fluorine alloy of polyether-ketone；Flange
It is connect with autoclave body by bolt and spring, spring is set on bolt and oppresses flange screw sealing ring.The invention passes through spring
Sealing ring is controlled, has certain elasticity, but be the absence of flexible connection, noise is big when operation, failure rate of machinery height.
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 on each air bag for being filled with pressurization gas into air bag
The suction nozzle of body.Though the invention uses 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.
Invention content
Purpose of utility model：
It provides a kind of leakproofness very well and can automatically adjust, do not bring the air bag axle envelope kneader of pollution.
Technical solution：
The air bag axle envelope kneader of the utility model has driving motor, reamer axis（Containing the reamer being fixed thereon）, packet
Enclose shell, the stuffing box of reamer axis and inner space（Stuffing box is sealed by basic parts such as filler babinet, filler, gland, bolts
It constituting, is placed in the filler between filler box body and shaft under the axial compression of bolt power and gland, generation radially extends,
So that filler is tightly attached to the surrounding of shaft, can make between filler and the contact surface of shaft when axis rotates from the lubricating oil being added in lubricating cup
One layer of very thin oil film is formed, not only there is lubricating action, but also escaping for medium and oozing for the outer gas of kettle in kettle can be prevented
Enter）.
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 limit.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, to make its lip
Mouth is fitted close with axis.
It is connected with control valve 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 there is controller, controller to pass through automatic control connection pressure respectively
Force snesor and control valve, when the pressure that pressure sensor measures is relatively low, controller instructs control valve aperture to increase, 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 utility model, controller is also connected by electric wiring with driving motor, when driving motor rotating speed compared with
When fast namely when reamer shaft rotation moves very fast, controller instruction control valve aperture increases after controller senses the increase of rotating speed,
It inwardly is filled with compressed air, the pressure of air sac sealing circle is bigger, and lip coordinates closer with axis.When driving motor rotating speed compared with
Slow when even stopping namely reamer shaft rotation is dynamic relatively slow when even stopping, controller instructs after controller senses the reduction of rotating speed
Control valve aperture, which reduces, to be even closed, and stops inwardly being filled with compressed air, the pressure of air sac sealing circle reduces, lip and axis
Cooperation is loosened.
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.No matter why not together the speed of reamer rotating speed has in this way, and the adaptation between air sac sealing circle and reamer axis is good, stuffing box
The case where being not in almost gas leakage always.
The elastic compensating that air sac sealing circle itself has the function of, and change with rotating speed the dynamic compensation function of pressure,
For the rotating speed of pressure and reamer axis in air sac sealing circle at positive relation-changing, sealing performance when different rotating speeds work is that other are close
Envelope form is impayable.
Advantageous effect：
1, the technology of the utility model has filled up the blank of kneader industry sealing technique.
2, the leakproofness of dynamic compensation is higher than the sealing effect of other forms, and pressure can incude 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 technology of the utility model reduces the time of maintenance shut-downs maintenance to user, saves labour cost.
4, in actual use, filler is not easy to wear to be not easy ash to the technology of the utility model, and good airproof performance is not easily accessible
Or substance is leaked out, the good wholesomeness of processed food is brought for user, economic results in society are very considerable.
Description of the drawings
Fig. 1 is a kind of axial section structural schematic diagram of the utility model；
In figure, 1- driving motors, 2- gearboxes, 3- shaft couplings, 4- glands, 5- fillers babinet, 6- fillers, outside 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- controllers, 16- electric wirings.
Specific implementation mode
Air bag axle envelope kneader as shown in Figure 1, with driving motor, reamer axis, encirclement reamer axis and inner space
There is filler inside shell, filler babinet and its gland, separately there is controller.It covers in polytetrafluoroethylene (PTFE) and is arranged between filler and gland
There is an air sac sealing circle, air sac sealing circle unicom gas tube, gas tube connect compressor is connected with control valve, energy on gas tube
Enough 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 shaft rotation moves relatively slow even stopping, controller senses subtracting for rotating speed
Controller instruction control valve aperture, which reduces, after small is even closed.
When utility model works, the elastic compensating that air sac sealing circle itself has the function of, and change pressure with rotating speed
The dynamic compensation function of power so that it is with good sealing performance and sanitation performance.
Claims (4)
1. a kind of air bag axle envelope kneader with driving motor, reamer axis, surrounds reamer axis and shell, the filler of inner space
Babinet and its gland and filler；It is characterized in that：Air sac sealing circle, air sac sealing circle unicom are provided between filler and gland
Gas tube, gas tube connect compressor are connected with control valve on gas tube.
2. the air bag axle envelope kneader as described in claim 1, it is characterised in that：Filler is polytetrafluoroethylene (PTFE) set.
3. the air bag axle envelope kneader as claimed in claim 1 or 2, it is characterised in that：Separately there are controller, air sac sealing
Be connected with the pressure sensor of test internal gas pressure on circle, controller respectively by automatic control connection pressure sensor and
Control valve.
4. the air bag axle envelope kneader as claimed in claim 1 or 2, it is characterised in that：It is another to have controller, controller logical
Automatic control line connection control valve is crossed, controller is connected by electric wiring with driving motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721677947.1U CN207661140U (en) | 2017-12-06 | 2017-12-06 | Air bag axle envelope kneader |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721677947.1U CN207661140U (en) | 2017-12-06 | 2017-12-06 | Air bag axle envelope kneader |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207661140U true CN207661140U (en) | 2018-07-27 |
Family
ID=62940731
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721677947.1U Active CN207661140U (en) | 2017-12-06 | 2017-12-06 | Air bag axle envelope kneader |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207661140U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108050251A (en) * | 2017-12-06 | 2018-05-18 | 南通范氏机械有限公司 | Air sac sealing type vacuum kneader |
-
2017
- 2017-12-06 CN CN201721677947.1U patent/CN207661140U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108050251A (en) * | 2017-12-06 | 2018-05-18 | 南通范氏机械有限公司 | Air sac sealing type vacuum kneader |
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| GR01 | Patent grant |