CN110960890A - Vacuum defoaming system capable of adjusting vacuum degree and defoaming method - Google Patents
Vacuum defoaming system capable of adjusting vacuum degree and defoaming method Download PDFInfo
- Publication number
- CN110960890A CN110960890A CN201911413033.8A CN201911413033A CN110960890A CN 110960890 A CN110960890 A CN 110960890A CN 201911413033 A CN201911413033 A CN 201911413033A CN 110960890 A CN110960890 A CN 110960890A
- Authority
- CN
- China
- Prior art keywords
- vacuum
- pressure
- container
- defoaming
- plc
- 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
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D19/00—Degasification of liquids
- B01D19/02—Foam dispersion or prevention
Landscapes
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Coating Apparatus (AREA)
Abstract
The invention relates to a vacuum defoaming system capable of adjusting vacuum degree, which comprises a PLC (programmable logic controller), a touch screen, a vacuum pump, a container and a vacuum electronic pressure gauge, wherein the vacuum pump is connected with an air exhaust port pipe of the container through an air exhaust pipe; the port tee of the tee pipe joint is connected with an air source pipe through an air inlet pipe, the middle part of the air inlet pipe is provided with a feeding air path electromagnetic valve, and a discharge port of the container is connected with a coating head pipe through a discharge pipe; the invention realizes multi-stage vacuum-pumping operation on the container, avoids backflow and boiling of glue in the container caused by overlarge vacuum-pumping pressure at one time, and ensures that the glue in the container is completely defoamed.
Description
Technical Field
The invention relates to the technical field of spot gluing, coating and defoaming, in particular to a vacuum defoaming system capable of adjusting vacuum degree and a defoaming method.
Background
In the coating industry, air bubbles of glue are an important factor affecting the coating quality. It is also important and necessary to reduce air bubbles in the glue before starting the coating. In the existing workshop, most of the vacuum defoamation is directly carried out on a feeding barrel by using a vacuum pump, for example, the patent number is CN 208452004U, the patent name is a full-automatic control resin defoaming box, in the patent, gas in a box body filled with resin is mainly pumped out from an air pumping port through the vacuum pump and the vacuum tube, the pressure in the box body is monitored in real time by a pressure sensor, and air pumping or air bleeding is controlled by an electromagnetic valve, but the vacuum defoaming mode cannot effectively control the vacuum degree and the vacuum degree curve due to high air pumping speed, so that one-time defoaming is difficult to complete; in the existing workshop, when glue packaged by a small glue barrel or even a needle cylinder is encountered, the glue is easily pumped to a vacuum pipeline, so that the vacuum pump is damaged by the backflow of the glue; accordingly, the prior art is deficient and needs improvement.
Disclosure of Invention
The invention provides a vacuum defoaming system capable of adjusting vacuum degree and a defoaming method, which solve the problems.
In order to solve the above problems, the technical scheme provided by the invention is as follows:
a vacuum defoaming system capable of adjusting vacuum degree comprises a PLC (programmable logic controller), a touch screen, a vacuum pump, a container and a vacuum electronic pressure gauge, wherein the PLC is electrically connected with the touch screen, the vacuum pump is connected with an air exhaust port of the container through an air exhaust pipe, the vacuum electronic pressure gauge is installed on the container, the vacuum electronic pressure gauge also comprises a vacuum electronic pressure regulating valve, a vacuum air circuit electromagnetic valve, a three-way pipe joint, a feeding air circuit electromagnetic valve and an air source, one end of the air exhaust pipe is connected with a vacuum pump pipe, the other end of the air exhaust pipe is connected with a first port pipe of the three-way pipe joint, a second port of the three-way pipe joint is connected with a container pipe; the port tee of the tee pipe joint is connected with an air source pipe through an air inlet pipe, the middle part of the air inlet pipe is provided with a feeding air path electromagnetic valve, and the discharge port of the container is connected with a coating head pipe through a discharge pipe.
Preferably, the vacuum pump further comprises a liquid return prevention cylinder, wherein the liquid return prevention cylinder is installed on the extraction pipe and is located between the vacuum gas circuit electromagnetic valve and the first port of the three-way pipe joint.
Preferably, the PLC controller comprises an input module, an output module and a storage module, wherein the input module and the output module are electrically connected with the storage module; the vacuum electronic pressure gauge is electrically connected with the input module, the vacuum electronic pressure regulating valve, the vacuum gas circuit electromagnetic valve and the feeding gas circuit electromagnetic valve are electrically connected with the output module, and the storage module is used for storing programs and parameters of the touch screen.
Preferably, still include power module, power module's input and commercial power electricity are connected, and power module's output is connected through the power end electricity of electric switch with the vacuum pump, and the PLC controller is connected with the electric switch electricity to control the switching on, breaking of electric switch.
Preferably, a discharging electromagnetic valve is further installed on the discharging pipe and electrically connected with the PLC.
A vacuum defoaming method capable of adjusting vacuum degree, which comprises the following defoaming steps,
s1, accurately installing and connecting all parts related to the defoaming system;
s2, setting a vacuum defoaming program and parameters on the touch screen;
s3, vacuumizing and defoaming the container through a vacuum pump;
and S4, after the vacuum defoaming is finished, performing vacuum pressure maintaining or air source driving feeding.
Further, after the step S2 and before the step S3, the method further includes a step S25 of performing a trial operation to detect whether each component has an abnormality, that is, operating the touch screen, starting the vacuum defoaming program, performing a trial operation, and determining whether each component has an abnormality.
Further, in step S3, the method specifically includes step S31, a first stage of vacuum pumping operation, that is, operating the touch screen, starting the PLC controller, closing the feeding gas path solenoid valve, opening the vacuum pump and the vacuum gas path solenoid valve, and controlling the vacuum electronic pressure regulating valve to output the pressure maintained in the first stage by the PLC controller, reading the pressure value in the container in real time by the vacuum electronic pressure gauge, adjusting the vacuum electronic pressure regulating valve by using a PID closed loop, accurately maintaining the pressure at P1, and maintaining the pressure for T1;
and S32a, if the P1 in the container reaches the set value of the air pressure of the first stage of the PLC, the vacuum breaking time T2=0, and the cycle number i of the vacuumizing operation is not less than 1, continuously repeating the operations, ending the vacuum defoaming process after the set number of the PLC is reached, and then entering the next stage.
Further, in step S3, the method specifically includes step S31, a first stage of vacuum pumping operation, that is, operating the touch screen, starting the PLC controller, closing the feeding gas path solenoid valve, opening the vacuum pump and the vacuum gas path solenoid valve, and controlling the vacuum electronic pressure regulating valve to output the pressure maintained in the first stage by the PLC controller, reading the pressure value in the container in real time by the vacuum electronic pressure gauge, adjusting the vacuum electronic pressure regulating valve by using a PID closed loop, accurately maintaining the pressure at P1, and maintaining the pressure for T1;
step S32b, a first stage vacuum breaking operation, namely if the air pressure P1 in the container reaches a first stage air pressure set value of the PLC, the vacuum breaking time T2 is greater than 0, the PLC closes the vacuum air path electromagnetic valve firstly, opens the feeding air path electromagnetic valve, injects inert gas through the air source to break the vacuum, and closes the feeding air path electromagnetic valve after T2 time to finish the first stage vacuum breaking operation;
step S33, performing vacuum pumping and vacuum breaking circulation operation, namely continuously repeating the above operations when the circulation times i of the vacuum pumping and vacuum breaking operation is more than or equal to 1, and entering the next stage after the set times of the PLC controller are reached;
and step S34, step i +1, vacuum pumping operation, namely, the PLC opens the vacuum pump and the vacuum gas circuit electromagnetic valve, at the moment, the PLC controls the vacuum electronic pressure regulating valve to output and maintain the pressure Pn of the nth stage, the pressure value in the barrel is read through the vacuum electronic pressure gauge, the PID is adopted to adjust the vacuum electronic pressure regulating valve in a closed loop mode, the pressure is accurately maintained at Pn, and the vacuum defoaming process is finished after the pressure maintaining time of Tn.
Further, in step S34, after the vacuum defoaming process is completed, the air source drives the feeding operation, i.e., the vacuum pump and the vacuum air path solenoid valve are closed first, and then the feeding air path solenoid valve and the discharging solenoid valve are opened, and the coating head is fed by the container through the discharging pipe in vacuum.
Compared with the prior art, the vacuum electronic pressure regulating valve has the advantages that by adopting the scheme, the vacuum electronic pressure regulating valve is arranged between the vacuum pump and the container, so that the air exhaust speed is effectively regulated, and the vacuum degree of the container is effectively controlled; the touch screen can control the vacuum pump and the vacuum gas circuit electromagnetic valve to work, so that multi-stage vacuumizing operation is realized on the container, and backflow and boiling of glue in the container caused by overlarge vacuumizing pressure at one time are avoided, so that the glue in the container is completely defoamed, and the glue can be defoamed better according to the characteristics of the glue; the vacuum coating machine can automatically switch feeding after vacuum, and changes the air pressure in the container by using the air source, thereby realizing automatic feeding to the coating head, being convenient to operate and having good market application value.
Drawings
For a clearer explanation of the embodiments or technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for a person skilled in the art that other drawings can be obtained from the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a defoaming system according to the present invention;
FIG. 2 is a schematic block diagram of an electrical control of the debubbling system of the present invention;
FIG. 3 is a schematic block diagram of the air path control of the defoaming system of the present invention;
FIG. 4 is a schematic block diagram of the debubbling method of the present invention;
as shown in the above legend: 1. the device comprises a touch screen 2, a vacuum pump 3, a container 4, a vacuum electronic pressure gauge 5, a liquid return prevention cylinder 6 and a buzzer.
Detailed Description
In order to facilitate an understanding of the invention, the invention is described in more detail below with reference to the accompanying drawings and specific examples. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The use of the terms "fixed," "integrally formed," "left," "right," and the like in this specification is for illustrative purposes only, and elements having similar structures are designated by the same reference numerals in the figures.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
As shown in fig. 1 to 4, the overall structure of the present invention is:
a vacuum defoaming system capable of adjusting vacuum degree comprises a defoaming cabinet body, wherein a vacuum pump 2 is installed at the lower part of the defoaming cabinet body, a container 3 is installed at the upper part of the defoaming cabinet body, a vacuum electronic pressure gauge 4, a power button and a buzzer 6 are installed at the front side of the upper part of the defoaming cabinet body, a PLC (programmable logic controller) is arranged at one side of the defoaming cabinet body and is electrically connected with a touch screen, the vacuum pump is connected with an air exhaust port pipe of the container through an exhaust pipe, the vacuum electronic pressure gauge is installed on the container, the vacuum defoaming system further comprises a vacuum electronic pressure regulating valve, a vacuum air circuit electromagnetic valve, a three-way pipe joint, a feeding air circuit electromagnetic valve and an air source, one end of the exhaust pipe is connected with a vacuum pump pipe, the other end of the exhaust pipe is connected with a port one pipe of the three-; the port tee of the tee pipe joint is connected with an air source pipe through an air inlet pipe, the middle part of the air inlet pipe is provided with a feeding air path electromagnetic valve, and the discharge port of the container is connected with a coating head pipe through a discharge pipe.
Further, the coating head is a dispensing head, and the glue in the container flows out of the discharge pipe to the coating head; the gas source is an inert gas source, such as a nitrogen gas source, namely, nitrogen gas is arranged in a nitrogen gas tank.
Preferably, the system also comprises a liquid return prevention cylinder 5, wherein the liquid return prevention cylinder is arranged on the extraction pipe and is positioned between the vacuum gas path electromagnetic valve and the first port of the three-way pipe joint; the liquid return prevention cylinder is used for preventing glue in the container from flowing back to enter the vacuum pump through the air exhaust pipe due to vacuumizing so as to damage the vacuum pump, and the liquid return prevention cylinder can be an SMC filter with the model of AMJ 4000-03B.
Preferably, the PLC controller comprises an input module, an output module and a storage module, wherein the input module and the output module are electrically connected with the storage module; the vacuum electronic pressure gauge is electrically connected with the input module, the vacuum electronic pressure regulating valve, the vacuum gas circuit electromagnetic valve and the feeding gas circuit electromagnetic valve are electrically connected with the output module, namely, the vacuum degree in the container can be collected through the vacuum electronic pressure gauge, the collected vacuum degree signal is transmitted to the input module of the PLC, a closed loop on control is formed, the output module of the PLC is connected with the vacuum electronic pressure regulating valve, the pressure of the vacuum in the container is accurately controlled and controlled through outputting analog quantity voltage, and the output module of the PLC also controls the starting and stopping of the vacuum pump and the actions of the vacuum gas circuit electromagnetic valve and the feeding gas circuit electromagnetic valve; the output module of the PLC controller is also electrically connected with the buzzer, when the defoaming system breaks down, the honey device is made to work and generate sound, and the storage module is used for storing programs and parameters of the touch screen.
Preferably, still including the power module who is used for supplying power for the vacuum pump, power module's input and commercial power electricity are connected, wherein still install power button between power module's the input and the output of commercial power for the break-make electricity in return circuit between control commercial power and the power module, power module's output is connected through the power end electricity of electric switch and vacuum pump, the PLC controller is connected with the electric switch electricity, with the on-off of control electric switch, the electric switch is the relay switch that can be controlled the break-make by the PLC controller.
Preferably, still install the ejection of compact solenoid valve on the discharging pipe, ejection of compact solenoid valve is connected with the PLC controller electricity, and when the container supplied glue for the coating head through the discharging pipe, by the break-make of PLC controller control ejection of compact solenoid valve to the output of control glue.
A vacuum defoaming method capable of adjusting vacuum degree, which comprises the following defoaming steps,
s1, accurately installing and connecting all parts related to the defoaming system;
s2, setting a vacuum defoaming program and parameters on the touch screen;
s3, vacuumizing and defoaming the container through a vacuum pump;
and S4, after the vacuum defoaming is finished, performing vacuum pressure maintaining or air source driving feeding.
Further, before step S1, a step of quality final inspection of each component is further included, that is, quality inspection of each component related to the defoaming system is performed by manually combining an inspection instrument to ensure whether each component has a defect or not, and if so, each component is replaced with a new component in time.
Further, after the step S1 and before the step S2, the method further includes a step S15 of verifying whether the operator has the right to activate the touch screen; the verification step comprises the following steps of authentication operation, execution of subsequent steps when the authentication is judged to be passed, execution of voice and sound-light alarm signals and sending alarm information to any one or more than two combination modes of a background terminal when the authentication is judged not to be passed, wherein the authentication operation is any one or more than two combination modes of a user name, a password and face recognition pupil recognition.
Further, after the step S2 and before the step S3, the method further includes a step S25 of performing a trial operation to detect whether each component is abnormal, that is, operating the touch screen, starting a vacuum defoaming program, performing a trial operation, and determining whether each component has an abnormal condition, where the abnormal condition includes that each component is not mounted and connected in place, and a certain component is damaged due to poor contact and air leakage or excessive force applied in the mounting process, which may cause the abnormal condition of the trial operation;
further, the staff can set up the relevant parameter of PLC controller work through the touch-sensitive screen, can be according to the glue actual conditions in the on-the-spot container like the touch-sensitive screen to set up a plurality of evacuation stages to the container, each evacuation stage parameter has: target vacuum degree, pressure maintaining time, vacuum breaking time and cycle times; the modes after vacuum pumping are two types: and maintaining the pressure after the vacuum pumping is finished and driving the material supply by an air source after the vacuum pumping is finished. After the parameters are set, the touch screen stores the parameters in the PLC and distributes the parameters in a PLC permanent variable storage area; the touch screen can monitor the current state of the system: equipment operating mode, output action state, input signal state, system alarm signal and historical data.
Embodiment 1, in step S3, the method specifically includes step S31, a first stage of vacuum pumping operation, that is, operating a touch screen, starting a PLC controller, closing a feeding gas path solenoid valve, then opening a vacuum pump and a vacuum gas path solenoid valve, and the PLC controller controls a vacuum electronic pressure regulating valve to output a pressure for maintaining the first stage, reading a pressure value in a container in real time through a vacuum electronic pressure gauge, adjusting the vacuum electronic pressure regulating valve by using a PID closed loop, accurately maintaining the pressure at P1, and maintaining the pressure for T1;
and S32a, if the P1 in the container reaches the set value of the air pressure of the first stage of the PLC, the vacuum breaking time T2=0, and the cycle number i of the vacuumizing operation is not less than 1, continuously repeating the operations, ending the vacuum defoaming process after the set number of the PLC is reached, and then entering the next stage.
step S32b, a first stage vacuum breaking operation, namely if the air pressure P1 in the container reaches a first stage air pressure set value of the PLC, the vacuum breaking time T2 is greater than 0, the PLC closes the vacuum air path electromagnetic valve firstly, opens the feeding air path electromagnetic valve, injects inert gas through the air source to break the vacuum, and closes the feeding air path electromagnetic valve after T2 time to finish the first stage vacuum breaking operation;
step S33, performing vacuum pumping and vacuum breaking circulation operation, namely continuously repeating the above operations when the circulation times i of the vacuum pumping and vacuum breaking operation is more than or equal to 1, and entering the next stage after the set times of the PLC controller are reached;
and step S34, step i +1, vacuum pumping operation, namely, the PLC opens the vacuum pump and the vacuum gas circuit electromagnetic valve, at the moment, the PLC controls the vacuum electronic pressure regulating valve to output and maintain the pressure Pn of the nth stage, the pressure value in the barrel is read through the vacuum electronic pressure gauge, the PID is adopted to adjust the vacuum electronic pressure regulating valve in a closed loop mode, the pressure is accurately maintained at Pn, and the vacuum defoaming process is finished after the pressure maintaining time of Tn.
Further, step S4, after the vacuum defoaming process is completed, the air source drives the feeding operation, i.e., the vacuum pump and the vacuum air path solenoid valve are closed first, then the feeding air path solenoid valve and the discharging solenoid valve are opened, the air source is used to inject inert gas, such as nitrogen, into the container, the air pressure in the container is changed, and the coating head is subjected to vacuum feeding operation through the discharging pipe by the container.
Further, in step S4, after the vacuum defoaming is finished, the vacuum pressure maintaining is performed, that is, the vacuum gas path solenoid valve, the material supply gas path solenoid valve, and the material discharge solenoid valve are closed, so that the gas pressure in the container is maintained at the current container gas pressure Pn.
The technical features mentioned above are combined with each other to form various embodiments which are not listed above, and all of them are regarded as the scope of the present invention described in the specification; also, modifications and variations may be suggested to those skilled in the art in light of the above teachings, and it is intended to cover all such modifications and variations as fall within the true spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. A vacuum defoaming system capable of adjusting vacuum degree comprises a PLC (programmable logic controller), a touch screen, a vacuum pump, a container and a vacuum electronic pressure gauge, wherein the PLC is electrically connected with the touch screen; the port tee of the tee pipe joint is connected with an air source pipe through an air inlet pipe, the middle part of the air inlet pipe is provided with a feeding air path electromagnetic valve, and the discharge port of the container is connected with a coating head pipe through a discharge pipe.
2. The vacuum debubbling system capable of adjusting the vacuum degree according to claim 1, further comprising a liquid return prevention tube, wherein the liquid return prevention tube is installed on the extraction pipe and is located between the vacuum gas path electromagnetic valve and the first port of the tee joint.
3. The vacuum defoaming system with the adjustable vacuum degree of claim 1, wherein the PLC comprises an input module, an output module and a storage module, and the input module and the output module are electrically connected with the storage module; the vacuum electronic pressure gauge is electrically connected with the input module, the vacuum electronic pressure regulating valve, the vacuum gas circuit electromagnetic valve and the feeding gas circuit electromagnetic valve are electrically connected with the output module, and the storage module is used for storing programs and parameters of the touch screen.
4. The vacuum degassing system with adjustable vacuum degree as claimed in claim 1, further comprising a power module, wherein an input end of the power module is electrically connected to the commercial power, an output end of the power module is electrically connected to a power end of the vacuum pump through an electric switch, and the PLC controller is electrically connected to the electric switch to control the on/off of the electric switch.
5. The vacuum defoaming system with the adjustable vacuum degree as claimed in claim 1, wherein a discharging solenoid valve is further mounted on the discharging pipe, and the discharging solenoid valve is electrically connected with the PLC controller.
6. A vacuum defoaming method capable of adjusting vacuum degree is characterized in that the defoaming step is as follows,
s1, accurately installing and connecting all parts related to the defoaming system;
s2, setting a vacuum defoaming program and parameters on the touch screen;
s3, vacuumizing and defoaming the container through a vacuum pump;
and S4, after the vacuum defoaming is finished, performing vacuum pressure maintaining or air source driving feeding.
7. The method of claim 6, further comprising a step S25 of performing a trial run to detect whether each component is abnormal, i.e., operating the touch screen, starting the vacuum degassing process, performing a trial run operation, and determining whether each component is abnormal after the step S2 and before the step S3.
8. The vacuum degassing method of claim 6, wherein in step S3, the method specifically includes step S31, the first stage of vacuum pumping operation, i.e. operating the touch screen, starting the PLC controller, closing the electromagnetic valve of the feeding gas circuit, opening the vacuum pump and the electromagnetic valve of the vacuum gas circuit, and controlling the electronic vacuum pressure regulating valve to output and maintain the pressure in the first stage by the PLC controller, reading the pressure value in the container in real time by the electronic vacuum pressure gauge, adjusting the electronic vacuum pressure regulating valve by PID in a closed loop, accurately maintaining the pressure at P1, and maintaining the pressure for T1;
and S32a, if the P1 in the container reaches the set value of the air pressure of the first stage of the PLC, the vacuum breaking time T2=0, and the cycle number i of the vacuumizing operation is not less than 1, continuously repeating the operations, ending the vacuum defoaming process after the set number of the PLC is reached, and then entering the next stage.
9. The vacuum degassing method of claim 6, wherein in step S3, the method specifically includes step S31, the first stage of vacuum pumping operation, i.e. operating the touch screen, starting the PLC controller, closing the electromagnetic valve of the feeding gas circuit, opening the vacuum pump and the electromagnetic valve of the vacuum gas circuit, and controlling the electronic vacuum pressure regulating valve to output and maintain the pressure in the first stage by the PLC controller, reading the pressure value in the container in real time by the electronic vacuum pressure gauge, adjusting the electronic vacuum pressure regulating valve by PID in a closed loop, accurately maintaining the pressure at P1, and maintaining the pressure for T1;
step S32b, a first stage vacuum breaking operation, namely if the air pressure P1 in the container reaches a first stage air pressure set value of the PLC, the vacuum breaking time T2 is greater than 0, the PLC closes the vacuum air path electromagnetic valve firstly, opens the feeding air path electromagnetic valve, injects inert gas through the air source to break the vacuum, and closes the feeding air path electromagnetic valve after T2 time to finish the first stage vacuum breaking operation;
step S33, performing vacuum pumping and vacuum breaking circulation operation, namely continuously repeating the above operations when the circulation times i of the vacuum pumping and vacuum breaking operation is more than or equal to 1, and entering the next stage after the set times of the PLC controller are reached;
and step S34, step i +1, vacuum pumping operation, namely, the PLC opens the vacuum pump and the vacuum gas circuit electromagnetic valve, at the moment, the PLC controls the vacuum electronic pressure regulating valve to output and maintain the pressure Pn of the nth stage, the pressure value in the barrel is read through the vacuum electronic pressure gauge, the PID is adopted to adjust the vacuum electronic pressure regulating valve in a closed loop mode, the pressure is accurately maintained at Pn, and the vacuum defoaming process is finished after the pressure maintaining time of Tn.
10. The vacuum degassing method of claim 6, wherein in step S4, after the vacuum degassing process is completed, the gas source drives the feeding operation by turning off the vacuum pump and the vacuum gas path solenoid valve, and then turning on the feeding gas path solenoid valve and the discharging solenoid valve, so as to vacuum feed the coating head from the container through the discharging pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911413033.8A CN110960890A (en) | 2019-12-31 | 2019-12-31 | Vacuum defoaming system capable of adjusting vacuum degree and defoaming method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911413033.8A CN110960890A (en) | 2019-12-31 | 2019-12-31 | Vacuum defoaming system capable of adjusting vacuum degree and defoaming method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110960890A true CN110960890A (en) | 2020-04-07 |
Family
ID=70037839
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911413033.8A Pending CN110960890A (en) | 2019-12-31 | 2019-12-31 | Vacuum defoaming system capable of adjusting vacuum degree and defoaming method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110960890A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112857665A (en) * | 2021-02-08 | 2021-05-28 | 武汉飞恩微电子有限公司 | Vacuum degree control circuit and method based on pressure sensor and vacuum box |
Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4070167A (en) * | 1976-03-08 | 1978-01-24 | Eastman Kodak Company | Sonic apparatus for removing gas from photographic emulsion |
| JPS60187800A (en) * | 1984-03-05 | 1985-09-25 | Hitachi Zosen Corp | Vacuum device |
| CN2845093Y (en) * | 2005-05-27 | 2006-12-06 | 东莞宏威数码机械有限公司 | Glue supplier for producing binded discs |
| CN202398503U (en) * | 2012-03-02 | 2012-08-29 | 宸正光电（厦门）有限公司 | Automatic double glue supplying device |
| CN102950086A (en) * | 2011-08-17 | 2013-03-06 | 铼德科技股份有限公司 | Colloidal liquid debubbling device and method |
| CN202809016U (en) * | 2012-09-13 | 2013-03-20 | 湖北金环股份有限公司 | Viscose continuous defoaming device |
| CN103612403A (en) * | 2013-12-06 | 2014-03-05 | 河北大学 | Auxiliary resin reflux heating vacuum infusion method and device |
| CN203494225U (en) * | 2013-06-25 | 2014-03-26 | 京东方科技集团股份有限公司 | Vacuum defoaming machine |
| US20140090557A1 (en) * | 2012-09-28 | 2014-04-03 | Amos G. Gottlieb | Apparatus and Method for Degassing Liquids |
| CN204932950U (en) * | 2015-09-16 | 2016-01-06 | 湖北中能锂电科技有限公司 | A kind of bubbling system for fluid injection |
| CN205007644U (en) * | 2015-08-21 | 2016-02-03 | 厦门百美特生物材料科技有限公司 | Full -automatic vacuum defoamation system |
| CN206342956U (en) * | 2016-09-28 | 2017-07-21 | 南京湶膜科技有限公司 | A kind of phase inversion film preparation filtering and deaeration experimental provision |
| CN107354517A (en) * | 2017-07-14 | 2017-11-17 | 绍兴上虞春日高分子材料有限公司 | Two one deaeration techniques of dipping |
| CN108321097A (en) * | 2017-01-17 | 2018-07-24 | 行家光电股份有限公司 | Vacuum film sticking apparatus and method |
| CN208452004U (en) * | 2018-06-08 | 2019-02-01 | 国电联合动力技术(保定)有限公司 | A kind of Automatic Control resin deaeration case |
| CN209682751U (en) * | 2018-12-14 | 2019-11-26 | 洛阳双瑞风电叶片有限公司 | A kind of wind electricity blade two-component resin bubbling system |
-
2019
- 2019-12-31 CN CN201911413033.8A patent/CN110960890A/en active Pending
Patent Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4070167A (en) * | 1976-03-08 | 1978-01-24 | Eastman Kodak Company | Sonic apparatus for removing gas from photographic emulsion |
| JPS60187800A (en) * | 1984-03-05 | 1985-09-25 | Hitachi Zosen Corp | Vacuum device |
| CN2845093Y (en) * | 2005-05-27 | 2006-12-06 | 东莞宏威数码机械有限公司 | Glue supplier for producing binded discs |
| CN102950086A (en) * | 2011-08-17 | 2013-03-06 | 铼德科技股份有限公司 | Colloidal liquid debubbling device and method |
| CN202398503U (en) * | 2012-03-02 | 2012-08-29 | 宸正光电（厦门）有限公司 | Automatic double glue supplying device |
| CN202809016U (en) * | 2012-09-13 | 2013-03-20 | 湖北金环股份有限公司 | Viscose continuous defoaming device |
| US20140090557A1 (en) * | 2012-09-28 | 2014-04-03 | Amos G. Gottlieb | Apparatus and Method for Degassing Liquids |
| CN203494225U (en) * | 2013-06-25 | 2014-03-26 | 京东方科技集团股份有限公司 | Vacuum defoaming machine |
| CN103612403A (en) * | 2013-12-06 | 2014-03-05 | 河北大学 | Auxiliary resin reflux heating vacuum infusion method and device |
| CN205007644U (en) * | 2015-08-21 | 2016-02-03 | 厦门百美特生物材料科技有限公司 | Full -automatic vacuum defoamation system |
| CN204932950U (en) * | 2015-09-16 | 2016-01-06 | 湖北中能锂电科技有限公司 | A kind of bubbling system for fluid injection |
| CN206342956U (en) * | 2016-09-28 | 2017-07-21 | 南京湶膜科技有限公司 | A kind of phase inversion film preparation filtering and deaeration experimental provision |
| CN108321097A (en) * | 2017-01-17 | 2018-07-24 | 行家光电股份有限公司 | Vacuum film sticking apparatus and method |
| CN107354517A (en) * | 2017-07-14 | 2017-11-17 | 绍兴上虞春日高分子材料有限公司 | Two one deaeration techniques of dipping |
| CN208452004U (en) * | 2018-06-08 | 2019-02-01 | 国电联合动力技术(保定)有限公司 | A kind of Automatic Control resin deaeration case |
| CN209682751U (en) * | 2018-12-14 | 2019-11-26 | 洛阳双瑞风电叶片有限公司 | A kind of wind electricity blade two-component resin bubbling system |
Non-Patent Citations (2)
| Title |
|---|
| 凌艺春等: "《电工电子技术》", 30 June 2008, 北京理工大学出版社 * |
| 吴兆华等: "《表面组装技术基础》", 31 January 2002, 国防工业出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112857665A (en) * | 2021-02-08 | 2021-05-28 | 武汉飞恩微电子有限公司 | Vacuum degree control circuit and method based on pressure sensor and vacuum box |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110960890A (en) | Vacuum defoaming system capable of adjusting vacuum degree and defoaming method | |
| US20120101638A1 (en) | Optimum proportional-integral-derivative (pid) control method for adapting a process facility system | |
| EP3991855A1 (en) | Glue dispensing control apparatus and glue outlet control method therefor | |
| JP5022772B2 (en) | Fine bubble generator and fine bubble generation method | |
| CN111238738A (en) | Liquid rocket spare part hydraulic pressure airtight test system of observing and controling | |
| RU2010152434A (en) | METHOD AND SYSTEM FOR DETECTING THE MALFUNCTION OF THE SWITCHING DEVICE | |
| KR102271316B1 (en) | Testing apparatus for control valve of fuel injection valve | |
| JP2006192371A (en) | Quantitative liquid discharge apparatus and its controlling method | |
| CN203548155U (en) | Automatic input device of spare pump package | |
| CN105676902B (en) | The adjusting method and device of water butt internal pressure | |
| CN113414165A (en) | Liquid inlet device and semiconductor cleaning equipment | |
| CN112641331B (en) | Coffee machine | |
| CN107339495A (en) | Regulating valve control method and device and air conditioner | |
| CN106150994B (en) | A kind of water pump control method and controller, the water pump using this method | |
| US6389901B1 (en) | Diagnostic method for a fuel supply system | |
| US20140311981A1 (en) | Systems and Methods for Concentrating Sugar Content of Liquids | |
| KR100511945B1 (en) | Injection molding machine and method for adjusting viscosity of molten resin therein | |
| JP3625943B2 (en) | Water supply device control method and control device | |
| CN108089529A (en) | A kind of printing and dyeing humidification electric control system based on PLC and frequency converter | |
| WO1991000160A1 (en) | Wire cut electric discharge machining device | |
| CN107110101A (en) | Method and apparatus for diagnosing fuel delivery system | |
| JPH06169993A (en) | Electrode type steam humidifier | |
| CN211627760U (en) | Grounding protection switch performance test system | |
| US20190310663A1 (en) | Automated system and device for managing a plurality of operations associated with a facility | |
| JP4148005B2 (en) | Fluid supply component inspection method and inspection apparatus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 518000 building 101, 201 and A14, building A15, silicon valley power automotive electronics Pioneer Park, 334 Guiyue Road, Dafu community, Guanlan street, Longhua District, Shenzhen City, Guangdong Province Applicant after: SHENZHEN AXXON AUTOMATION Co.,Ltd. Address before: 518000 building A14, silicon valley power automotive electronics Pioneer Park, 334 Guiyue Road, Guanlan street, Longhua District, Shenzhen City, Guangdong Province Applicant before: SHENZHEN AXXON AUTOMATION Co.,Ltd. |
|
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200407 |