CN209702539U - A kind of electronic scale discharge system that control liquid-crystalline glasses batch component is stable - Google Patents
A kind of electronic scale discharge system that control liquid-crystalline glasses batch component is stable Download PDFInfo
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- CN209702539U CN209702539U CN201920557542.7U CN201920557542U CN209702539U CN 209702539 U CN209702539 U CN 209702539U CN 201920557542 U CN201920557542 U CN 201920557542U CN 209702539 U CN209702539 U CN 209702539U
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Abstract
The utility model discloses a kind of electronic scale discharge system that control liquid-crystalline glasses batch component is stable, including electronics hopper, electronics hopper bottom is pneumatic blow-off valve, electronics hopper outer wall is equipped with pneumatic hammer, pneumatic blow-off valve is on and off by opens solenoid valve and closing solenoid valve control respectively, and opens solenoid valve is also connected with pneumatic hammer, and opens solenoid valve is equipped with the first tracheae and the second tracheae, first tracheae is connected to pneumatic blow-off valve, and the second tracheae is connected to pneumatic hammer；It closes solenoid valve and is equipped with third tracheae, third tracheae is connected to pneumatic blow-off valve；Electronics hopper upper inside wall is equipped with gas nozzle, and gas nozzle connects the 4th tracheae for extending electronics hopper, and the 4th tracheae is connected with the first tracheae；When electronics hopper carries out discharge, gas nozzle is blown to electronics hopper inner wall, and pneumatic hammer taps electronics hopper, to make the synchronous discharge of the raw material for being trapped in electronics hopper inner wall, to guarantee that the component of each batch in liquid-crystalline glasses blending process is stablized, it is ensured that the quality of liquid crystal substrate glass.
Description
Technical field
The utility model relates to glassmaking art, specifically a kind of control liquid-crystalline glasses batch component is stable
Electronic scale discharge system.
Background technique
The quality requirements of TFT-LCD liquid crystal substrate glass are more much higher than the quality requirements of other type glass, this will
Seeking the component of liquid crystal substrate glass batch, there can be no apparent fluctuations, thus to the purity of raw materials various in batch, miscellaneous
Matter introducing, weighing accuracy, mixture homogeneity, batch moisture content etc. suffer from very high requirement.
The purity of various raw materials can be addressed with impurity by the high industrial chemicals of purchase quality in batch, as long as
What raw material sampling analysis was done is in time, and the storage management of raw material is done in place, and the purity of various raw materials just can control with impurity
It is good.
The accuracy of the uniformity and component of controlling liquid crystal substrate glass batch generally uses following measures:
One, physical and chemical room provides correctly material side；
Two, the reasonable feed bin of topology layout (using tower feed bin), rationally distributed electronic weighing system；
Three, determine that various raw materials enter the precedence of mixing machine according to the physicochemical properties of various powder raw materials；
Four, purchase is structurally reasonable, performance is stable, the suitable mixing machine of volume size；
Five, the incorporation time of batch is controlled according to the technical indicator of the mixing machine of purchase；
Six, the stable raw material of purchase quality qualification.
The control of batch moisture content can control the storehouse of the moisture content and storage of raw materials of various raw materials in batch
The humidity of humidity and ingredient environment controls the moisture content of batch.
In order to improve the quality of liquid crystal substrate glass batch, typically now (include: using high-precision electronic scale system
The superior screw(-type) feeder of structure, electronics hopper, digital sensor, high-precision measuring instrument, advanced control instrument and
Some ancillary structural members) weigh various powder raw materials, present high-precision electronic scale can control the weighing value of raw material 2~
It is fluctuated within the scope of 3 scale division values, which guarantee the weighing value of powder raw materials various in batch and setting value are very close.
But in actual blending process, Ingredient Production Lines all at present all has ignored a problem, i.e. electronic scale
The problem of inner wall buildup that struggles against, especially the electronics hopper inner wall buildup in TFT-LCD liquid crystal substrate glass Ingredient Production Line are asked
Topic.Because there is the dosage of several raw materials (such as: zinc oxide, strontium carbonate, strontium nitrate) to compare in TFT-LCD liquid crystal substrate glass material side
It is few, but these raw materials are so that liquid crystal substrate glass is obtained some essential attributes and accelerate the raw material of batch melting, they
Though dosage is few, in being played a crucial role during being melted and formed for glass.
Their dosage accounts for the mass percent of the component of batch less than 2.0%, and some raw material accountings are even less than
0.5%.Assuming that the weight of a secondary batch is 500.0kg, some raw material dosages only have 2.0kg or so, but these dosages are less
Raw material in discharging process after the completion of weighing discharge it is unclean, the very big and very poor mobility raw material of these stickiness can be detained
Some is in two inner wall angle of electronics hopper.It is found by the observation of long period: weighing the electricity of the less raw material of these dosages
It shows that the hold-up of raw material has reached 0.5kg or more in the instrument of sub- scale, and has formed harder bulk；When these raw materials are stagnant
When staying more, in a random discharging process, these form harder block-like raw material by electronics hopper outer wall
The percussion of pneumatic hammer and fall in mixing machine, and this phenomenon can it is regular appearance (will appear per every about 1 month or so
Once)；These fall at random into the hard block stock in mixing machine and cannot be mixed together uniformly with other powder raw materials, but also
Increase the dosage of the just few raw material of original dosage in these material sides, and the actual deviation of the less raw material of dosage has reached 25%
Left and right；This has resulted in the unstability and inhomogeneities of TFT-LCD liquid crystal substrate glass batch component, and then leads to liquid crystal
There is biggish fluctuation in base plate glass chemical analysis, and the quality of liquid crystal substrate glass is caused to reduce.Thus it is guaranteed that batch component
Uniformity be very important with stability.
Utility model content
The purpose of this utility model is to provide a kind of electronic scale discharge systems that control liquid-crystalline glasses batch component is stable
System, the system can guarantee that the component of each batch in liquid-crystalline glasses blending process is stablized, it is ensured that liquid crystal substrate glass
Quality.
The technical scheme adopted by the utility model to solve the technical problem is as follows:
A kind of electronic scale discharge system that control liquid-crystalline glasses batch component is stable, including electronics hopper, electronics hopper
Bottom is pneumatic blow-off valve, and electronics hopper outer wall is equipped with pneumatic hammer, and pneumatic blow-off valve by opens solenoid valve and closes solenoid valve respectively
Control on and off, opens solenoid valve is also connected with pneumatic hammer, and opens solenoid valve is equipped with the first tracheae and the second tracheae, the first gas
Pipe is connected to pneumatic blow-off valve, and the second tracheae is connected to pneumatic hammer；It closes solenoid valve and is equipped with third tracheae, third tracheae is connected to gas
Dynamic blow-off valve；
The electronics hopper upper inside wall is equipped with gas nozzle, and gas nozzle connects the 4th tracheae for extending electronics hopper, the 4th gas
Pipe is connected with the first tracheae.
Further, the pipeline of first tracheae is equipped with pressure regulator valve.
The utility model has the beneficial effects that when carrying out discharge after electronics hopper has claimed various raw materials, in pneumatic discharge
While valve is opened, gas nozzle is blown to electronics hopper inner wall, and pneumatic hammer taps electronics hopper, to make to be trapped in electronics hopper inner wall
The synchronous discharge of raw material, to guarantee that the component of each batch in liquid-crystalline glasses blending process is stablized, it is ensured that crystal liquid substrate
The quality of glass.
Detailed description of the invention
The present invention will be further described with reference to the accompanying drawings and examples:
Fig. 1 is the structural schematic diagram of the utility model.
Specific embodiment
As shown in Figure 1, the utility model provides a kind of electronic scale discharge system that control liquid-crystalline glasses batch component is stable
System, including electronics hopper 1,1 bottom of electronics hopper are pneumatic blow-off valve 2, and 1 outer wall of electronics hopper is equipped with pneumatic hammer 3, pneumatic blow-off valve
2 respectively by opens solenoid valve 4 with close solenoid valve 5 and control on and off, opens solenoid valve 4 is also connected with pneumatic hammer 3, opens electromagnetism
Valve 4 is equipped with the first tracheae 6 and the second tracheae 7, and the first tracheae 6 is connected to pneumatic blow-off valve 2, and the second tracheae 7 is connected to pneumatic hammer
3；It closes solenoid valve 5 and is equipped with third tracheae 8, third tracheae 8 is connected to pneumatic blow-off valve 2；
1 upper inside wall of electronics hopper is equipped with gas nozzle 9, and gas nozzle 9 connects the 4th tracheae 10 for extending electronics hopper 1,
4th tracheae 10 is connected with the first tracheae 6.Gas nozzle 9 can be set according to actual needs in the frequent place for being easy buildup, such as
Fruit has many places buildup, then multiple gas nozzles are just correspondingly arranged.Due to the unlatching of pneumatic blow-off valve 2, the work of pneumatic hammer 3 and
The jet of gas nozzle 9 is all from opens solenoid valve 4 and opens bring compressed air, therefore pressure regulation is arranged in the pipeline of the first tracheae 6
Air pressure is turned up by pressure regulator valve 11 in valve 11, guarantees that pneumatic blow-off valve 2 is opened in the air pressure shunted.
The above descriptions are merely preferred embodiments of the present invention, not makees in any form to the utility model
Limitation；Anyone skilled in the art, it is all available in the case where not departing from technical solutions of the utility model ambit
The methods and technical content of the disclosure above makes many possible changes and modifications to technical solutions of the utility model, or is revised as
The equivalent embodiment of equivalent variations.Therefore, all contents without departing from technical solutions of the utility model, according to the utility model
Technical spirit any simple modification, equivalent replacement, equivalence changes and modification made to the above embodiment are still fallen within practical
In the range of the protection of new technique scheme.
Claims (2)
1. a kind of stable electronic scale discharge system of control liquid-crystalline glasses batch component, which is characterized in that including electronics hopper,
Electronics hopper bottom is pneumatic blow-off valve, and electronics hopper outer wall is equipped with pneumatic hammer, and pneumatic blow-off valve by opens solenoid valve and closes respectively
It is on and off to close solenoid valve control, opens solenoid valve is also connected with pneumatic hammer, and opens solenoid valve is equipped with the first tracheae and the second gas
Pipe, the first tracheae are connected to pneumatic blow-off valve, and the second tracheae is connected to pneumatic hammer；It closes solenoid valve and is equipped with third tracheae, third gas
Pipe is connected to pneumatic blow-off valve；
The electronics hopper upper inside wall is equipped with gas nozzle, and gas nozzle, which connects, extends the 4th tracheae of electronics hopper, the 4th tracheae with
First tracheae is connected.
2. a kind of electronic scale discharge system that control liquid-crystalline glasses batch component is stable according to claim 1, special
Sign is that the pipeline of first tracheae is equipped with pressure regulator valve.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920557542.7U CN209702539U (en) | 2019-04-23 | 2019-04-23 | A kind of electronic scale discharge system that control liquid-crystalline glasses batch component is stable |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920557542.7U CN209702539U (en) | 2019-04-23 | 2019-04-23 | A kind of electronic scale discharge system that control liquid-crystalline glasses batch component is stable |
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| CN209702539U true CN209702539U (en) | 2019-11-29 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109867431A (en) * | 2019-04-23 | 2019-06-11 | 蚌埠中光电科技有限公司 | A kind of electronic scale discharge system that control liquid-crystalline glasses batch component is stable |
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2019
- 2019-04-23 CN CN201920557542.7U patent/CN209702539U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109867431A (en) * | 2019-04-23 | 2019-06-11 | 蚌埠中光电科技有限公司 | A kind of electronic scale discharge system that control liquid-crystalline glasses batch component is stable |
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