CN108393208A - Automatic glue applying system and method - Google Patents

Automatic glue applying system and method Download PDF

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Publication number
CN108393208A
CN108393208A CN201810264733.4A CN201810264733A CN108393208A CN 108393208 A CN108393208 A CN 108393208A CN 201810264733 A CN201810264733 A CN 201810264733A CN 108393208 A CN108393208 A CN 108393208A
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CN
China
Prior art keywords
controller
nozzle
gas pressure
motor
connect
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.)
Granted
Application number
CN201810264733.4A
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Chinese (zh)
Other versions
CN108393208B (en
Inventor
张国梁
蔡小娜
***
陈申召
薛凯霖
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Heibei Agricultural University
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Heibei Agricultural University
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Publication date
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Priority to CN201810264733.4A priority Critical patent/CN108393208B/en
Publication of CN108393208A publication Critical patent/CN108393208A/en
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Publication of CN108393208B publication Critical patent/CN108393208B/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B9/00Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour
    • B05B9/03Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material
    • B05B9/04Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B12/00Arrangements for controlling delivery; Arrangements for controlling the spray area
    • B05B12/08Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means
    • B05B12/085Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means responsive to flow or pressure of liquid or other fluent material to be discharged
    • B05B12/087Flow or presssure regulators, i.e. non-electric unitary devices comprising a sensing element, e.g. a piston or a membrane, and a controlling element, e.g. a valve

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  • Application Of Or Painting With Fluid Materials (AREA)

Abstract

The invention provides an automatic glue applying system and method, which comprises the following steps: the device comprises a motor, a frequency converter, an electromagnetic valve, a gas pressure sensor and a controller, wherein the motor is used for being connected with the feeder and providing power for the feeder, the frequency converter is connected with the motor and the controller, used for acquiring the speed information of the motor and sending the speed information to the controller, the gas pressure sensor is connected with the controller, is used for being arranged at the gas outlet of the spray head, acquiring the gas pressure information of the gas outlet of the spray head and sending the gas pressure information to the controller, the controller is used for outputting PWM pulses according to the speed information and the gas pressure information, and sends the PWM pulse to the electromagnetic valve, the electromagnetic valve is used for connecting with a spray head, and the size of the gas flow entering the spray head is adjusted according to the PWM pulse, so that the size of the glue spraying amount is adjusted, and the glue consumption and the cost are saved.

Description

Automatic glue system and method
Technical field
The invention belongs to application techniques fields, are to be related to a kind of automatic glue system and method more specifically.
Background technology
It is to make full use of the effective ways of raw material using the production that bamboo powder or wood powder carry out pressing as raw material, in dispensing In the process, sizing is important link.Existing glue applying method often when powder stirs in high-speed mixer, is poured slowly into and contains The glue for having curing agent achievees the purpose that sizing using the high speed rotation and stirring of high mixer.It adopts this method, Process of Applying Glue In can not ensure sizing uniformity.Current existing automatic glue sprayer is by inputting the program woven, it being allowed to control Manipulator carries out automatic glue-spraying by its required shape, glue spraying thickness, width, and the fixation glue spraying amount that can carry out batch is real Apply, it is relatively high to material sizing efficiency, but when carrying out glue spraying to powder with automatic glue sprayer, can not according to the number of inlet amount and When adjust its corresponding resin added, cause glue to waste, increase cost.
Invention content
The purpose of the present invention is to provide a kind of automatic glue system and methods, it is intended to which solution in the prior art can not basis Inlet amount number adjust its corresponding resin added in time and caused by glue waste, cost increase.
To achieve the above object, a kind of automatic glue system of offer of the embodiment of the present invention and method, including:Motor, frequency conversion Device, gas pressure sensor, controller, solenoid valve;
The motor provides power for being connect with feeder for feeder;
The frequency converter connects the motor and the controller, and the velocity information for obtaining the motor is simultaneously sent to The controller;
The gas pressure sensor is connect with the controller, for being arranged in nozzle gas outlet, obtains nozzle outlet The gas pressure information of mouth, and the gas pressure information is sent to the controller;
The controller is used to, according to the velocity information and the gas pressure information, export pwm pulse, and will be described Pwm pulse is sent to the solenoid valve;
The solenoid valve is adjusted for being connect with nozzle, and according to the pwm pulse into the big of the gas flow of nozzle It is small, and then adjust the size of glue spraying amount.
Further, the automatic glue system further includes:Pressure transmitter;
The gas pressure sensor connects the controller by the pressure transmitter;
The gas pressure for the primary electronic signal form that the pressure transmitter is used to obtain the gas pressure sensor Information is converted into the gas pressure information of standard electrical signal form, and is sent to the controller.
Further, the automatic glue system further includes:Nozzle;
The nozzle is connect with the solenoid valve, is used for glue atomized spray.
Further, the automatic glue system further includes:Glue tank;
The glue tank is connect with the nozzle, for storing glue and being supplied to the nozzle to be atomized the glue Injection.
Further, the automatic glue system further includes:Pneumatic device;
The pneumatic device includes air compressor, air source regulating device, pneumatic triple piece;
The air compressor connects the pneumatic triple piece by the air source regulating device;
The pneumatic device is connect with the nozzle, for providing power for the nozzle atomized spray.
Further, the automatic glue system further includes:Feeder;
The feeder is connect with the motor, and atomized spray is carried out at the nozzle for transmitting material to be glued.
Further, the automatic glue system further includes:One-way throttle valve;
One end of the one-way throttle valve is connect with the solenoid valve, and the other end is connect with the nozzle;
The one-way throttle valve is used to control the speed of the showerhead gas injection.
Further, the solenoid valve is direct acting high-frequency electromagnetic valve.
The embodiment of the present invention also provides a kind of automatic glue applying method, which is characterized in that includes the following steps:
The frequency converter obtains the velocity information of the motor, and is sent to the controller;
The gas pressure sensor obtains the gas pressure information of nozzle gas outlet, and is sent to the controller;
The controller exports pwm pulse according to the velocity information and the gas pressure information, and by the PWM Pulse is sent to the solenoid valve;
The solenoid valve adjusts the size into the gas flow of nozzle according to the pwm pulse.
The advantageous effect of automatic glue system provided in an embodiment of the present invention and method is:Compared with prior art, originally Automatic glue system is invented, including:Motor, frequency converter, solenoid valve, gas pressure sensor, controller, the motor be used for Feeder connects, and provides power for feeder, and the frequency converter connects the motor and the controller, described for obtaining The velocity information of motor is simultaneously sent to the controller, and the gas pressure sensor is connect with the controller, for being arranged In nozzle gas outlet, the gas pressure information of nozzle gas outlet is obtained, and the gas pressure information is sent to the control Device, the controller are used for according to the velocity information and the gas pressure information, output pwm pulse, and by the PWM arteries and veins Punching is sent to the solenoid valve, and the solenoid valve adjusts the gas into nozzle for being connect with nozzle, and according to the pwm pulse The size of body flow, so adjust glue spraying amount size, realize according to inlet amount number adjust its corresponding sizing in time Amount, has saved glue consumption, has reduced cost.
Description of the drawings
Fig. 1 is the structure diagram of automatic glue system provided in an embodiment of the present invention;
Fig. 2 is the structural schematic diagram of automatic sizing equipment provided in an embodiment of the present invention.
Reference numeral:
1- motor 2- frequency converter 3- gas pressure sensor 4- controllers
5- solenoid valve 6- nozzle 7- glue tank 8- air compressors
9- air source regulating device 10- pneumatic triple piece 11- feeder 12- one-way throttle valves
13- speed reducers 14- is glued bucket 15- hoppers
Specific implementation mode
In order to make technical problems, technical solutions and advantages to be solved be more clearly understood, tie below Accompanying drawings and embodiments are closed, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only To explain the present invention, it is not intended to limit the present invention.
Specific implementation mode:
As shown in Figs. 1-2, a kind of automatic glue system of offer of the embodiment of the present invention and method, including:Motor 1, frequency converter 2, gas pressure sensor 3, controller 4, solenoid valve 5;
The motor 1 provides power for being connect with feeder for feeder;
The frequency converter 2 connects the motor 1 and the controller 4, and the velocity information for obtaining the motor 1 is concurrent It is sent to the controller 4;
The gas pressure sensor 3 is connect with the controller 4, for being arranged in nozzle gas outlet, is obtained nozzle and is gone out The gas pressure information of gas port, and the gas pressure information is sent to the controller 4;
The controller 4 is used for according to the velocity information and the gas pressure information, output PWM (Pulse Width Modulation, pulse width modulation) pulse, and the pwm pulse is sent to the solenoid valve 5;
The solenoid valve 5 is adjusted for being connect with nozzle 6, and according to the pwm pulse into the gas flow of nozzle 6 Size, and then adjust the size of glue spraying amount.
Specifically, the frequency converter 2 connects the motor 1 and the controller 4 connects, for obtaining the controller 4 Command information, and adjust according to described instruction information the rotating speed of the motor 1, be additionally operable to obtain the speed letter of the motor 1 Breath, and feed back the velocity information give the controller 4, because of the operating error of the motor 1 and the frequency converter 2, The controller 4 is more accurate according to the velocity information of the feedback adjusting pwm pulse.
Optionally, the controller 4 exports the work of pwm pulse according to the velocity information and the gas pressure information Include as step:Inlet amount matches with resin added when original state, i.e., proportional;Judge the variation of the velocity information Situation;If the velocity information increase/reduction, increases/reduces the pulsewidth of the pwm pulse, obtain the first pwm pulse;Sentence The situation of change of the gas pressure information of the disconnected gas pressure sensor feedback;If the gas pressure information increase/ Reduce, then reduce/increase the pulsewidth of first pwm pulse, obtain the second pwm pulse, second pwm pulse is described Controller 4 exports the pwm pulse for adjusting the solenoid valve 5.The solenoid valve 5 adjusts gas according to the pwm pulse The size of body flow, and then the size of glue spraying amount is adjusted, so that resin added is matched with inlet amount holding.
Optionally, the S7-200 SMART PLC controllers of Siemens can be used in the controller 4.
The course of work of the automatic glue system is:The controller 4 receives the finger of preset frequency value input by user Information is enabled, and described instruction information is sent to the frequency converter 2, the frequency converter 2 is according to the described instruction information received Adjust the rotating speed of the motor 1, feeder transmits material to be glued to sizing bucket 14 according to the rotating speed of the motor 1, described Material is mixed in the sizing bucket 14 with the glue that nozzle 6 sprays, and the discharge port by being glued bucket 14 is transferred out, the frequency conversion Device 2 obtains the velocity information of the motor 1, and feeds back to the controller 4;The gas pressure being arranged at the nozzle 6 Force snesor 3 obtains the gas pressure information of nozzle gas outlet, and is sent to the controller 4;The controller 4 is according to described Velocity information and the gas pressure information, export pwm pulse, and the pwm pulse is sent to the solenoid valve 5;It is described Solenoid valve 5 adjusts the size into the gas flow of nozzle 6 according to the pwm pulse, and then adjusts the size of glue spraying amount, realizes The number of resin added matches with the number of inlet amount, avoids the waste of glue, and make sizing evenly.
The automatic glue system of the present invention, including:Motor 1, frequency converter 2, solenoid valve 5, gas pressure sensor 3, controller 4, the motor 1 provides power for being connect with feeder, and for feeder, and the frequency converter 2 connects the motor 1 and described Controller 4, velocity information for obtaining the motor 1 are simultaneously sent to the controller 4, the gas pressure sensor 3 with The controller 4 connects, and for being arranged in nozzle gas outlet, obtains the gas pressure information of nozzle gas outlet, and by the gas Body pressure information is sent to the controller 4, and the controller 4 is used to be believed according to the velocity information and the gas pressure Breath exports pwm pulse, and the pwm pulse is sent to the solenoid valve 5, and the solenoid valve 5 is used to connect with nozzle 6, and The size into the gas flow of nozzle 6 is adjusted according to the pwm pulse, and then adjusts the size of glue spraying amount, realizes basis The number of inlet amount adjusts its corresponding resin added in time, has saved glue consumption, has reduced cost.
Optionally, the automatic glue system further includes speed reducer 13;
The motor 1 is connect by the speed reducer 13 with feeder 11;
The speed reducer 13 is used to match the rotating speed of the motor 1 and transmits torque.By the application speed reducer 13 with Increase torque, improves transmission efficiency.
Further, the automatic glue system can also include:Pressure transmitter;
The gas pressure sensor 3 can connect the controller 4 by the pressure transmitter;
The gas pressure for the primary electronic signal form that the pressure transmitter is used to obtain the gas pressure sensor 3 Information is converted into the gas pressure information of standard electrical signal form, and is sent to the controller 4.
Optionally, the model WMB-HS/XS of the pressure transmitter.
Further, the automatic glue system further includes:Nozzle 6;
The nozzle 6 is connect with the solenoid valve 5, is used for glue atomized spray.
Further, the automatic glue system further includes:Glue tank 7;
The glue tank 7 is connect with the nozzle 6, for storing glue and being supplied to the nozzle 6 to carry out the glue Atomized spray.
Further, the automatic glue system further includes:Pneumatic device;
The pneumatic device includes air compressor 8, air source regulating device 9, pneumatic triple piece 10;
The air compressor 8 connects the pneumatic triple piece 10 by the air source regulating device 9;
The pneumatic device is connect with the nozzle 6, for providing power for 6 atomized spray of the nozzle.
Further, the automatic glue system further includes:Feeder 11;
The feeder 11 is connect with the motor 1, for material to be glued to be added from hopper 15 and is transmitted to described Atomized spray is carried out at nozzle 6.The feeder 11 and the motor 1 can be separate structure, or overall structure.
Optionally, the feeder is feeding screw, and feeding screw is simple in structure, at low cost, flexible into discharging.
Further, the automatic glue system further includes:One-way throttle valve 12;
One end of the one-way throttle valve 12 is connect with the solenoid valve 5, and the other end is connect with the nozzle 6;
The one-way throttle valve 12 is used to control the speed of 6 gas injection of the nozzle.Pass through the one-way throttle valve 12 Adjusting, it can be achieved that manually adjust with the automatic adjustment of the solenoid valve 5 be combined control resin added number, further save About glue reduces cost.
Further, the solenoid valve 5 is direct acting high-frequency electromagnetic valve.
The direct acting high-frequency electromagnetic valve actuation time is short, is swift in response, frequency is higher.
The embodiment of the present invention also provides a kind of automatic glue applying method, which is characterized in that includes the following steps:
The frequency converter 2 obtains the velocity information of the motor 1, and is sent to the controller 4;
The gas pressure sensor 3 obtains the gas pressure information of nozzle gas outlet, and is sent to the controller 4;
The controller 4 exports pwm pulse according to the velocity information and the gas pressure information, and by the PWM Pulse is sent to the solenoid valve 5;
The solenoid valve 5 adjusts the size into the gas flow of nozzle 6 according to the pwm pulse.
Automatic glue applying method provided in this embodiment realizes and adjusts its corresponding sizing in time according to the number of inlet amount Amount, has saved glue consumption, has reduced cost.
It should be noted that when element is referred to as " being fixed on " or " being set to " another element, it can be directly another On one element or it is connected on another element.When an element is known as " being connected to " another element, it can To be directly to another element or be indirectly connected on another element.
It is to be appreciated that term " length ", " width ", "upper", "lower", "front", "rear", "left", "right", "vertical", The orientation or positional relationship of the instructions such as "horizontal", "top", "bottom" "inner", "outside" is that orientation based on ... shown in the drawings or position are closed System, is merely for convenience of description of the present invention and simplification of the description, not indicating or implying the indicated device or element must have Specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply relative importance Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or Implicitly include one or more this feature.In the description of the present invention, the meaning of " plurality " is two or more, Unless otherwise specifically defined.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office It can be combined in any suitable manner in one or more embodiments or example.In addition, without conflicting with each other, the skill of this field Art personnel can tie the feature of different embodiments or examples described in this specification and different embodiments or examples It closes and combines.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention All any modification, equivalent and improvement etc., should all be included in the protection scope of the present invention made by within refreshing and principle.

Claims (9)

1. a kind of automatic glue system, which is characterized in that including:Motor, frequency converter, gas pressure sensor, controller, electromagnetism Valve;
The motor provides power for being connect with feeder for feeder;
The frequency converter connects the motor and the controller, and the velocity information for obtaining the motor is simultaneously sent to described Controller;
The gas pressure sensor is connect with the controller, for being arranged in nozzle gas outlet, obtains nozzle gas outlet Gas pressure information, and the gas pressure information is sent to the controller;
The controller is used for according to the velocity information and the gas pressure information, output pwm pulse, and by the PWM Pulse is sent to the solenoid valve;
The solenoid valve adjusts the size into the gas flow of nozzle for being connect with nozzle, and according to the pwm pulse, into And adjust the size of glue spraying amount.
2. automatic glue system according to claim 1, which is characterized in that further include:Pressure transmitter;
The gas pressure sensor connects the controller by the pressure transmitter;
The gas pressure information for the primary electronic signal form that the pressure transmitter is used to obtain the gas pressure sensor It is converted into the gas pressure information of standard electrical signal form, and is sent to the controller.
3. automatic glue system according to claim 1, which is characterized in that further include:Nozzle;
The nozzle is connect with the solenoid valve, is used for glue atomized spray.
4. automatic glue system according to claim 3, which is characterized in that further include:Glue tank;
The glue tank is connect with the nozzle, for storing glue and being supplied to the nozzle to carry out atomization spray the glue It penetrates.
5. automatic glue system according to claim 3, which is characterized in that further include:Pneumatic device;
The pneumatic device includes air compressor, air source regulating device, pneumatic triple piece;
The air compressor connects the pneumatic triple piece by the air source regulating device;
The pneumatic device is connect with the nozzle, for providing power for the nozzle atomized spray.
6. automatic glue system according to claim 3, which is characterized in that further include:Feeder;
The feeder is connect with the motor, and atomized spray is carried out at the nozzle for transmitting material to be glued.
7. automatic glue system according to claim 3, which is characterized in that further include:One-way throttle valve;
One end of the one-way throttle valve is connect with the solenoid valve, and the other end is connect with the nozzle;
The one-way throttle valve is used to control the speed of the showerhead gas injection.
8. according to the automatic glue system of claim 1-7 any one of them, which is characterized in that the solenoid valve is direct acting high frequency Solenoid valve.
9. a kind of automatic glue applying method based on the automatic glue system of claim 1-8 any one of them, which is characterized in that packet Include following steps:
The frequency converter obtains the velocity information of the motor, and is sent to the controller;
The gas pressure sensor obtains the gas pressure information of nozzle gas outlet, and is sent to the controller;
The controller exports pwm pulse according to the velocity information and the gas pressure information, and by the pwm pulse It is sent to the solenoid valve;
The solenoid valve adjusts the size into the gas flow of nozzle according to the pwm pulse.
CN201810264733.4A 2018-03-28 2018-03-28 Automatic glue applying system and method Active CN108393208B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810264733.4A CN108393208B (en) 2018-03-28 2018-03-28 Automatic glue applying system and method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810264733.4A CN108393208B (en) 2018-03-28 2018-03-28 Automatic glue applying system and method

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CN108393208A true CN108393208A (en) 2018-08-14
CN108393208B CN108393208B (en) 2020-05-19

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112490342A (en) * 2020-12-08 2021-03-12 鸿利智汇集团股份有限公司 Packaging method of two-color temperature COB
CN114011601A (en) * 2021-11-30 2022-02-08 中国兵器工业集团第二一四研究所苏州研发中心 Device, system and method for spraying glue on green ceramic lamination

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5217160A (en) * 1992-07-02 1993-06-08 Lopes Gregory A Pneumatic spraying apparatus and method
CN202199458U (en) * 2011-08-03 2012-04-25 周国富 Novel intelligent atomizer
CN202730604U (en) * 2012-06-28 2013-02-13 江阴市文明体育塑胶有限公司 Equipment for evenly conveying glue for plastic runway laying
CN104190597A (en) * 2014-08-19 2014-12-10 苏州市益维高科技发展有限公司 Quantitative gluing amount control device
CN204344452U (en) * 2014-11-20 2015-05-20 大连华工创新科技股份有限公司 Gear pump glue feeder
CN204412557U (en) * 2014-11-14 2015-06-24 深圳市亚派光电器件有限公司 Glue-injection machine
CN205613658U (en) * 2016-05-11 2016-10-05 新丰杰力电工材料有限公司 Coating machine supplies to glue automatic control device
CN206716383U (en) * 2017-04-07 2017-12-08 大连豪森瑞德设备制造有限公司 Glue-spread precise control device

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5217160A (en) * 1992-07-02 1993-06-08 Lopes Gregory A Pneumatic spraying apparatus and method
CN202199458U (en) * 2011-08-03 2012-04-25 周国富 Novel intelligent atomizer
CN202730604U (en) * 2012-06-28 2013-02-13 江阴市文明体育塑胶有限公司 Equipment for evenly conveying glue for plastic runway laying
CN104190597A (en) * 2014-08-19 2014-12-10 苏州市益维高科技发展有限公司 Quantitative gluing amount control device
CN204412557U (en) * 2014-11-14 2015-06-24 深圳市亚派光电器件有限公司 Glue-injection machine
CN204344452U (en) * 2014-11-20 2015-05-20 大连华工创新科技股份有限公司 Gear pump glue feeder
CN205613658U (en) * 2016-05-11 2016-10-05 新丰杰力电工材料有限公司 Coating machine supplies to glue automatic control device
CN206716383U (en) * 2017-04-07 2017-12-08 大连豪森瑞德设备制造有限公司 Glue-spread precise control device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112490342A (en) * 2020-12-08 2021-03-12 鸿利智汇集团股份有限公司 Packaging method of two-color temperature COB
CN114011601A (en) * 2021-11-30 2022-02-08 中国兵器工业集团第二一四研究所苏州研发中心 Device, system and method for spraying glue on green ceramic lamination

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Application publication date: 20180814

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