CN108726852A - Parallel bars synchronize vibration damping hot-bending machine pressurizer and control method - Google Patents
Parallel bars synchronize vibration damping hot-bending machine pressurizer and control method Download PDFInfo
- Publication number
- CN108726852A CN108726852A CN201810691461.6A CN201810691461A CN108726852A CN 108726852 A CN108726852 A CN 108726852A CN 201810691461 A CN201810691461 A CN 201810691461A CN 108726852 A CN108726852 A CN 108726852A
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- China
- Prior art keywords
- pressure
- bending machine
- pressurizer
- vibration damping
- parallel bars
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- Pending
Links
- 238000013003 hot bending Methods 0.000 title claims abstract description 40
- 238000013016 damping Methods 0.000 title claims abstract description 33
- 238000000034 method Methods 0.000 title claims abstract description 22
- 239000006096 absorbing agent Substances 0.000 claims abstract description 15
- 238000005183 dynamical system Methods 0.000 claims abstract description 9
- 238000007789 sealing Methods 0.000 claims description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 230000008859 change Effects 0.000 claims description 6
- 238000005299 abrasion Methods 0.000 claims description 5
- 239000011159 matrix material Substances 0.000 claims description 5
- 238000000465 moulding Methods 0.000 claims description 5
- 230000000052 comparative effect Effects 0.000 claims description 4
- BTCSSZJGUNDROE-UHFFFAOYSA-N gamma-aminobutyric acid Chemical compound NCCCC(O)=O BTCSSZJGUNDROE-UHFFFAOYSA-N 0.000 claims description 4
- 230000035515 penetration Effects 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 239000011521 glass Substances 0.000 abstract description 9
- 230000008569 process Effects 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000000227 grinding Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- -1 polytetrafluoroethylene Polymers 0.000 description 3
- 239000004810 polytetrafluoroethylene Substances 0.000 description 3
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000003111 delayed effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000007496 glass forming Methods 0.000 description 1
- 230000009477 glass transition Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000005304 optical glass Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B23/00—Re-forming shaped glass
- C03B23/02—Re-forming glass sheets
- C03B23/023—Re-forming glass sheets by bending
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B23/00—Re-forming shaped glass
- C03B23/02—Re-forming glass sheets
- C03B23/023—Re-forming glass sheets by bending
- C03B23/025—Re-forming glass sheets by bending by gravity
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Press-Shaping Or Shaping Using Conveyers (AREA)
Abstract
Parallel bars synchronize vibration damping hot-bending machine pressurizer and control method.But previous mobile phone glass screen is confined to 2D or 2.5D screens, and 2D screens take the mode of grinding to process not use hot bending technology.The present invention forms：Dynamical system（15）, support device（6）, vibration absorber（13）, the dynamical system includes two power plants of left and right arrangement（4）, the power plant described in two is fixedly connected with the support device respectively, device for exerting（8）Feed screw nut（22）It is sleeved on the principal pressure leading screw of the power plant（20）Upper to be connect with the principal pressure threads of lead screw, the device for exerting is slidably connected with the support device, the pressure axis of the device for exerting（27）Bottom is equipped with vibration absorber（13）.The present invention synchronizes vibration damping hot-bending machine pressurizer and control method for parallel bars.
Description
Technical field：
The present invention relates to a kind of parallel bars to synchronize vibration damping hot-bending machine pressurizer and control method, belongs to hot-bending machine technical field.
Background technology：
Existing hot-bending machine generally comprises heating furnace body, and in glass bending process, glass is first generally placed on mold
It is interior, then mold is placed in heating furnace body and carries out heating and makes Glass Transition, later, glass hot bending under the effect of gravity,
Then glass is made annealing treatment again, finally takes out glass, to complete the hot bending processing of glass.But previous mobile phone glass
Glass screen is confined to 2D or 2.5D screens, and 2D screens take the mode of grinding to process not use hot bending technology.In order to cater to
The bending degree of 3D screens is transformed existing hot-bending machine and is processed, to reach industrial requirement.
Invention content：
Purpose of the present invention is to overcome traditional pressurizer that can not be directed to novel 3D optical glass formings requirement, providing one kind ensures to protect
Pressure device jointly controls automation with multivariable in course of exerting pressure, and it is excellent with production target to realize that pressurizer is automatically controlled
The parallel bars of change synchronize vibration damping hot-bending machine pressurizer and control method.
Above-mentioned purpose is realized by following technical scheme：
A kind of parallel bars synchronization vibration damping hot-bending machine pressurizer, composition include：Dynamical system, support device, vibration absorber, it is described
Dynamical system include left and right arrangement two power plants, power plant described in two is solid with the support device respectively
The feed screw nut of fixed connection, device for exerting is sleeved on the principal pressure leading screw of the power plant and the principal pressure leading screw spiral shell
Line connects, and the device for exerting is slidably connected with the support device, the pressure axis bottom installation of the device for exerting
There is vibration absorber.
The parallel bars synchronize vibration damping hot-bending machine pressurizer, and the power plant includes pressure motor, and described applies
Medium-voltage Motor is connect with the principal pressure leading screw by shaft coupling.
The parallel bars synchronize vibration damping hot-bending machine pressurizer, and the support device includes pressure motor mounting plate and applies
Holder bottom plate is pressed, the rear and front end between the pressure motor mounting plate and the pressure electric baseboard is separately installed with two
A bracket upright post, the pressure motor mounting plate is fixedly connected with the pressure motor, under the principal pressure leading screw
Portion is connect with the hydraulic support bottom plate by bearing across the pressure motor mounting plate.
The parallel bars synchronize vibration damping hot-bending machine pressurizer, feed screw nut and the feed screw nut seat of the device for exerting
Be fixedly connected, the feed screw nut seat is fixedly connected with water link block is divided, the described lower end for dividing water link block with it is described
Pressure axis is fixedly connected.
The parallel bars stated synchronize hot-bending machine pressurizer, and the vibration absorber includes flange and gasket assembly, the gasket
Component includes gasket, circular spiral sealing ring and arcuation sealing strip, and the gasket is fixed on the flange, the pad
The on piece setting circular spiral sealing ring, through-hole on the inside of the circular spiral sealing ring and in the middle part of the flange it
Between the arcuation sealing strip is set, the arcuation sealing strip is distributed in the pad in impeller shape along the gasket center
Piece top.
The parallel bars synchronize vibration damping hot-bending machine pressurizer, pass through with pressure shaft pressuring plate below the pressure axis and connect
Ring flange is fixedly connected.
The parallel bars synchronize vibration damping hot-bending machine pressurizer, and connecting plate is horizontally installed on the pressure axis, described
Connecting plate on be provided with multiple penetration pipes.
The parallel bars synchronize vibration damping hot-bending machine pressurizer, have sliding rail, the sliding rail in the bracket upright post
On sliding block is installed, the sliding block is matched with the sliding rail, and the sliding block divides water link block to fix to connect with described
It connects.
A kind of parallel bars synchronize the control method of vibration damping hot-bending machine pressurizer, and this method comprises the following steps：
When the pressure divergence of pressurizer is more than 3.19MPa, using fuzzy PID control method, according to fuzzy control matrix model
It adjusts, fuzzy control will adjust the deviation of pressurizer, the variable deviations change rate such as molding pressure, abrasion rate in 35-60s
Value in negative small and positive a small range；
When pressurizer pressure divergence is less than 3.19MPa, actively adjusted using PID, comparative example factor p and fine tuning factor i
It is adjusted, observes and adjusts again.
Advantageous effect：
1. the operation principle of the present invention is that：Pressure motor transmits power on principal pressure leading screw, and principal pressure leading screw will rotate
Power-conversion is the linear motion of feed screw nut, and the sliding block being connected with feed screw nut completes the guiding role of linear motion, sliding block
Drive preheating outer shaft linear motion, preheating outer shaft lower end mounting flange, ring flange is connected the motor that will press with vibration absorber
Power is exported to completing power transmission on mold.
The present invention proposes fuzzy PID control method, has not only improved the utilization ratio of pressurize motor, but also reached positive system
System maintains the purpose of reasonable pressure, it is ensured that pressurizer jointly controls automation with multivariable in course of exerting pressure, realizes and protects
Pressure device automatically controls the optimization with production target.
Processing efficiency can be improved in the present invention, mitigates the workload of operating personnel, is conducive to promote.
The present invention uses high temperature vibration absorber, and there is vibration damping and backlash compensation effect, high temperature resistant to ensure its bearing capacity.
The present invention controls molding pressure, the abrasion rate of pressurizer using fuzzy PID control method.It is for complicated
System, since variable is too many, it tends to be difficult to the correctly dynamic of description system.And Traditional control theory for clear system have it is strong and
Strong control ability, but for excessively complexity or be difficult to the system accurately described, then seem helpless.In order to further carry
The stability of high holding pressure control system needs to analyze and research to the control principle of pressure-retaining system and corresponding feature.
The present invention improves the utilization ratio of pressurize motor, and has achieved the purpose that pressure-retaining system maintains reasonable pressure,
Ensure that pressurizer jointly controls automation with multivariable in course of exerting pressure, realizes that pressurizer automatically controls and production refers to
Target optimizes.
Description of the drawings：
Attached drawing 1 is the front view of the present invention；
Attached drawing 2 is the side view of the present invention；
Attached drawing 3 is the dimensional structure diagram of the present invention；
Attached drawing 4 is the vibration absorber schematic diagram of the present invention；
In figure：1, press motor；2, press motor mounting plate；3, feed screw nut seat；4, power plant；5, hydraulic support bottom plate；
6, support device；7, bracket upright post；8, device for exerting；9, press shaft pressuring plate；10, mounting flange；11, connecting plate；12, Fen Shui
Link block；13, vibration absorber；14, penetration pipe；15, dynamical system；18, sliding rail；19, sliding block；20, principal pressure leading screw；21, join
Axis device；22, feed screw nut；23, gasket；24, circular spiral sealing ring；25, arcuation sealing strip；26, mounting hole；27, press axis；
28, through-hole.
Specific implementation mode：
Embodiment 1：
A kind of parallel bars synchronization vibration damping hot-bending machine pressurizer, composition include：Dynamical system 15, support device 6, vibration absorber
13, the dynamical system includes two power plants 4 of left and right arrangement, power plant described in two respectively with the branch
Support arrangement is fixedly connected, the feed screw nut 22 of device for exerting 8 be sleeved on the principal pressure leading screw 20 of the power plant with it is described
The connection of principal pressure threads of lead screw, the device for exerting is slidably connected with the support device, the device for exerting
27 bottom of pressure axis is equipped with vibration absorber 13.
Embodiment 2：
Vibration damping hot-bending machine pressurizer is synchronized according to parallel bars described in embodiment 1, the power plant includes pressure motor 1,
The pressure motor is connect with the principal pressure leading screw by shaft coupling 21.
Embodiment 3：
Parallel bars according to embodiment 1 or 2 synchronize vibration damping hot-bending machine pressurizer, and the support device includes pressure motor
Mounting plate 2 and hydraulic support bottom plate 5, the rear and front end between the pressure motor mounting plate and the pressure electric baseboard
Two bracket upright posts 7 are separately installed with, the pressure motor mounting plate is fixedly connected with the pressure motor, the master
The lower part of pressure leading screw is connect with the hydraulic support bottom plate by bearing across the pressure motor mounting plate.
Embodiment 4：
Parallel bars according to embodiment 1 or 2 or 3 synchronize vibration damping hot-bending machine pressurizer, the leading screw spiral shell of the device for exerting
Mother is fixedly connected with feed screw nut seat 3, and the feed screw nut seat is fixedly connected with water link block 12 is divided, and described divides water to connect
The lower end of block is fixedly connected with the pressure axis.
Embodiment 5：
Parallel bars according to embodiment 1 or 2 or 3 or 4 synchronize hot-bending machine pressurizer, the vibration absorber include flange and
Gasket assembly, the gasket assembly include gasket 23, circular spiral sealing ring 24 and arcuation sealing strip 25, are set on the flange
It sets there are four mounting hole 26, the gasket is fixed on the flange, and the circular spiral is arranged on the gasket
The arcuation sealing is arranged between the through-hole 28 on the inside of the described circular spiral sealing ring and in the middle part of the flange in sealing ring
Item, the arcuation sealing strip are distributed in the gasket top in impeller shape along the gasket center.
Embodiment 6：
Parallel bars according to embodiment 1 or 2 or 3 or 4 or 5 synchronize vibration damping hot-bending machine pressurizer, the pressure axis lower section
It is fixedly connected by mounting flange 10 with pressure shaft pressuring plate 9.
Embodiment 7：
Parallel bars according to embodiment 1 or 2 or 3 or 4 or 5 or 6 synchronize vibration damping hot-bending machine pressurizer, on the pressure axis
It is horizontally installed with connecting plate 11, multiple penetration pipes 14 are provided on the connecting plate.
Embodiment 8：
Parallel bars according to embodiment 1 or 2 or 3 or 4 or 5 or 6 or 7 synchronize vibration damping hot-bending machine pressurizer, the holder
There is sliding rail 18 on column, sliding block 19 is installed on the sliding rail, the sliding block is matched with the sliding rail, described
Sliding block divides water link block to be fixedly connected with described.
Embodiment 9：
A kind of parallel bars synchronize the control method of vibration damping hot-bending machine pressurizer, and this method comprises the following steps：
When the pressure divergence of pressurizer is more than 3.19MPa, using fuzzy PID control method, according to fuzzy control matrix model
It adjusts, fuzzy control will adjust the deviation of pressurizer, the variable deviations change rate such as molding pressure, abrasion rate in 35-60s
Value in negative small and positive a small range；
When pressurizer pressure divergence is less than 3.19MPa, actively adjusted using PID, comparative example factor p and fine tuning factor i
It is adjusted, observes and adjusts again.
Vibration absorber gasket assembly is made of polytetrafluoroethylene material, polytetrafluoroethylene material high temperature resistant, is also had very
Good ageing-resistant performance, the gasket made using polytetrafluoroethylene material can bear the high temperature in system, while polytetrafluoroethyl-ne
Alkene material is soft compared with steel, has certain elasticity, plays the role of vibration damping.
The fuzzy PID control method is the engineering unit that is acquired by OPC gateways to control the pressure of pressurizer
When the pressure divergence of power, i.e. pressurizer is larger, fuzzy control will adjust the deviation of pressurizer in a short time；If protected
It when the pressure divergence of pressure device is smaller, is then actively adjusted using PID, and then ensures the stability of pressurizer pressure.
The analog input signal link increases a differentiator after the engineering unit conversion that OPC gateways acquire
Link functional block, when numerical value is delayed from output OUT terminal output time, which can filter out the different of signal
Often variation is 3s in order to one class of setting lag time derivative constant of normal rationally operation.Pass through differentiator in analog signal
After the processing of link functional block delayed filtering, the noise spot of analog signals is excluded, thus the signal obtained is more steady, mainly
It is ultimately sent in the logic of fuzzy control program derived from analog signals, thus signal obtains process strong antijamming capability.
We have chosen 7 with the obscure mathematics model, then to the fuzzy of 7 selected mathematics matrix models
Collection defines its membership function, then shows non-uniform phenomenon according to its different interval of pressurize problem.On the basis of this phenomenon, really
While cover half Pressure Fuzzy control rule, it has been ensured that next step enables to be using the output of conventional PID controllers
The sound state property of system output response reaches optimum state.Snap action is in pressure tune after obscure mathematics model circuit calculates
Delivery valve position valve opening percentage on valve is saved, it is to be noted that we change rate limit to the output of valve position in program.Root
It is adjusted according to fuzzy matrix model, when the value of the variable deviations change rates such as molding pressure, the abrasion rate of selection is in negative small and just small model
In enclosing, pressurizer control system is called traditional PI D to carry out pressure maintaining period and is accurately adjusted, and comparative example factor P and fine tuning factor I are needed
It is adjusted, observes and adjusts again to reach ideal control effect.
Claims (9)
1. a kind of parallel bars synchronize vibration damping hot-bending machine pressurizer, composition includes：Dynamical system, support device, vibration absorber,
It is characterized in：The dynamical system includes two power plants of left and right arrangement, power plant described in two respectively with it is described
Support device be fixedly connected, the feed screw nut of device for exerting be sleeved on the principal pressure leading screw of the power plant with it is described
Principal pressure threads of lead screw connects, and the device for exerting is slidably connected with the support device, and the device for exerting is applied
Last item bottom is equipped with vibration absorber.
2. parallel bars according to claim 1 synchronize vibration damping hot-bending machine pressurizer, it is characterized in that：The power plant packet
Pressure motor is included, the pressure motor is connect with the principal pressure leading screw by shaft coupling.
3. parallel bars according to claim 1 or 2 synchronize vibration damping hot-bending machine pressurizer, it is characterized in that：The support dress
Set including pressure motor mounting plate and hydraulic support bottom plate, the pressure motor mounting plate and the pressure electric baseboard it
Between rear and front end be separately installed with two bracket upright posts, the pressure motor mounting plate is fixed with the pressure motor to be connected
It connects, the lower part of the principal pressure leading screw passes through the pressure motor mounting plate to pass through bearing with the hydraulic support bottom plate
Connection.
4. parallel bars according to claim 1 or 2 or 3 synchronize vibration damping hot-bending machine pressurizer, it is characterized in that：The pressure
The feed screw nut of device is fixedly connected with feed screw nut seat, and the feed screw nut seat is fixedly connected with water link block is divided, described
The lower end for dividing water link block be fixedly connected with the pressure axis.
5. parallel bars according to claim 1 or 2 or 3 or 4 synchronize hot-bending machine pressurizer, it is characterized in that：The vibration damping
Device includes flange and gasket assembly, and the gasket assembly includes gasket, circular spiral sealing ring and arcuation sealing strip, described
Gasket is fixed on the flange, and the circular spiral sealing ring is arranged on the gasket, and the circular spiral is close
The arcuation sealing strip is set between the through-hole on the inside of seal and in the middle part of the flange, and the arcuation sealing strip is described in
Gasket center the gasket top is distributed in impeller shape.
6. parallel bars according to claim 1 or 2 or 3 or 4 synchronize vibration damping hot-bending machine pressurizer, it is characterized in that：Described
It is fixedly connected by mounting flange with pressure shaft pressuring plate below pressure axis.
7. the parallel bars according to claims 1 or 2 or 3 or 4 or 5 or 6 synchronize vibration damping hot-bending machine pressurizer, it is characterized in that：
It is horizontally installed with connecting plate on the pressure axis, multiple penetration pipes are provided on the connecting plate.
8. the parallel bars according to claims 1 or 2 or 3 or 4 or 5 or 6 or 7 synchronize vibration damping hot-bending machine pressurizer, feature
It is：There is sliding rail in the bracket upright post, sliding block is installed on the sliding rail, the sliding block matches with the sliding rail
It closes, the sliding block divides water link block to be fixedly connected with described.
9. the parallel bars described in a kind of one of claim 1-8 synchronize the control method of vibration damping hot-bending machine pressurizer, it is characterized in that：
This method comprises the following steps：
When the pressure divergence of pressurizer is more than 3.19MPa, using fuzzy PID control method, according to fuzzy control matrix model
It adjusts, fuzzy control will adjust the deviation of pressurizer, the variable deviations change rate such as molding pressure, abrasion rate in 35-60s
Value in negative small and positive a small range；It is actively adjusted using PID, comparative example factor p and fine tuning factor i are adjusted, see
It examines and adjusts again.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2018103463520 | 2018-04-17 | ||
| CN201810346352 | 2018-04-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108726852A true CN108726852A (en) | 2018-11-02 |
Family
ID=63931057
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810691461.6A Pending CN108726852A (en) | 2018-04-17 | 2018-06-28 | Parallel bars synchronize vibration damping hot-bending machine pressurizer and control method |
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| CN (1) | CN108726852A (en) |
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2018
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