阅读说明：本技术 一种基于远程控制技术的自动化智能型熔压成型装置 (Automatic intelligent melt-compression molding device based on remote control technology ) 是由 张上荣 邹方 于 2021-02-02 设计创作，主要内容包括：本发明公开了一种基于远程控制技术的自动化智能型熔压成型装置,具体涉及无人生产线领域,包括控制系统、真空熔压成型炉、压力系统、真空系统和循环水系统。本发明通过利用工业互联网、智能化控制的先进技术,将超高温真空设备产品生产全流程进行系统化整合与改造,应用先进稳定的控制软件,打造无人生产线、无人车间,可使人脱离恶劣的劳动条件并减轻劳动强度,更能够提高劳动生产率和保证产品质量,可实现提升产品良率、缩短开发周期、降低人工成本的目的,达到多品种混流有序生产的效果。(The invention discloses an automatic intelligent fusion-compression molding device based on a remote control technology, and particularly relates to the field of unmanned production lines. The invention systematically integrates and transforms the whole production flow of the ultra-high temperature vacuum equipment product by utilizing the advanced technology of industrial internet and intelligent control, applies advanced and stable control software, creates an unmanned production line and an unmanned workshop, can enable people to be separated from severe labor conditions, lightens labor intensity, can further improve labor productivity and ensure product quality, can realize the purposes of improving product yield, shortening development period and reducing labor cost, and achieves the effect of mixed-flow ordered production of multiple varieties.)

1. The utility model provides an automatic intelligent fuse-pressing forming device based on remote control technique which characterized in that: comprises a control system (1), a vacuum melting and pressing forming furnace (2), a pressure system (3), a vacuum system (4) and a circulating water system (5);

the control system (1) comprises a PLC and a human-computer interface, and is controlled in a full-automatic PLC control system and human-computer interface interaction mode to perform manual and automatic switching; the vacuum melting and pressing forming furnace (2), the pressure system (3), the vacuum system (4) and the circulating water system (5) are controlled through a PLC, and the control system (1) mainly comprises four execution units, namely a vacuum analog quantity control system, a displacement analog quantity control system, a pressure analog quantity control system and a temperature analog quantity control system;

the vacuum melting and pressing forming furnace (2) comprises a furnace body and a heating and heat-preserving system, wherein the furnace body consists of a furnace outer shell, an inner hearth, a furnace cover and a pressure head sealing piece; an O-shaped ring seal is arranged between the furnace body and the furnace cover, and the heat preservation system comprises a heating body and a heat preservation plate area; the heating body and the heat preservation plate area are respectively processed and designed into two independent units, so that the installation and the maintenance are convenient;

the pressure system (3) comprises a main body frame, a walking mechanism, a transverse movement adjusting mechanism, a locking device, a pressure head, a hydraulic cylinder and a control box; the main body frame is a gantry type frame; the walking mechanism is arranged in a way that the speed reduction motor drives the main body framework to move, and the whole main body framework moves smoothly and can be automatically aligned; the transverse moving adjusting mechanism is provided with guide rails at X and Y plane positions on the main body frame; the locking device is characterized in that a special locking mechanism is designed on the main body frame and is fixed on the guide rail corresponding to the transverse movement adjusting mechanism;

the hydraulic cylinder comprises an oil supply pump, a control valve group and an oil cylinder, wherein the oil supply pump adopts an integral valve to control a variable oil supply pump, so that the supply of pressure oil is adjustable, and the requirement of variable pressure head descending speed is met;

the pressure of the oil supply pump corresponds to the pressure output pressure of the oil cylinder; a pressure sensor is also arranged in the pressure system 3;

the oil cylinder adopts a bidirectional oil pressure control oil cylinder, and a displacement sensor is arranged on an output shaft of the oil cylinder;

the vacuum system (4) comprises a vacuum pump and a vacuum valve, and the vacuum valve is arranged at the output end of the vacuum pump;

circulating water system (5) includes cooling water pipe, circulating pump and water storage box, the cooling water pipe sets up in the circle sealing position that furnace body and bell should, and the circulating pump output links to each other with condenser pipe, the circulating pump input links to each other with the water storage box, condenser pipe keeps away from circulating pump one end and links to each other with the water storage box inner chamber, the water storage box is fixed to be set up in the furnace body outer wall.

2. The automatic intelligent melt-compression molding device based on the remote control technology as claimed in claim 1, wherein: the vacuum pump is set to be an oil-free vacuum pump, the ultimate vacuum requirement of the vacuum pump is not lower than 2Pa and not higher than 10Pa, and the pumping speed of the vacuum pump is not lower than 8 l/s.

3. The automatic intelligent melt-compression molding device based on the remote control technology as claimed in claim 1, wherein: the human-computer interface comprises a Profibus-DP interface or a Profinet interface, when the control system 1 breaks down, a bypass function is needed, and the condition that the equipment cannot run is not obtained.

4. The automatic intelligent melt-compression molding device based on the remote control technology as claimed in claim 1, wherein: the inner hearth and the cooling water pipe are welded and fixed by argon arc welding, and the size of the inner hearth is larger than that of the heat preservation plate area.

5. The automatic intelligent melt-compression molding device based on the remote control technology as claimed in claim 1, wherein: the inner wall of the inner hearth is made of 2520 stainless steel material.

Technical Field

The invention relates to the technical field of unmanned production lines, in particular to an automatic intelligent melt-compression molding device based on a remote control technology.

Background

In recent years, major industrial strong countries in Europe and America successively put forward respective industrial development strategies, and high-end industrial development strategies with different emphasis points such as Germany 'industry 4.0', American 'industrial Internet', France 'New Industrial France' and the like are developed, so that intelligent manufacturing becomes an irreversible trend in a new stage of the world industrial development. In the strategic transformation stage from the middle-end manufacturing level to the high-end manufacturing level in the manufacturing industry of China, the informatization and industrialization deep fusion is promoted, and the intelligent manufacturing is taken as the main attack direction of the deep fusion. Promote the production process intellectuality, cultivate novel production methods, promote the intelligent level of enterprise research and development, production, management and service comprehensively. Intelligent manufacturing equipment and advanced processes are continuously popularized in key industries, and the digitalization, gridding and intelligentization steps of manufacturing equipment in discrete industries are accelerated.

The vacuum equipment industry develops gradually to produce various vacuum equipment after years of development, and a complete vacuum industrial system is formed. In recent years, with the strong development of high-end manufacturing industries such as domestic electric power, maritime work, high-speed rail, aerospace, medical instruments, semiconductors, LEDs, FPDs and the like, the great increase of market demands of the vacuum equipment industry and the downstream application fields thereof promotes the development of a batch of domestic vacuum equipment manufacturers. However, the vacuum equipment is integrated with a plurality of high and new technologies, so that the requirements on the technical level and the manufacturing process of manufacturers are high. The industry as a whole still presents the characteristic of lower technical level. And the traditional production and operation mode depends on more labor cost and scale advantages, and is subject to competitive pressure caused by external environment change and operation pressure caused by industry environment change.

In the field of workpiece processing, there are some workpieces which are hard or sticky in material property and are not easy to cut and grind, and the workpieces are generally required to be subjected to heat treatment to change the inherent characteristics of the materials and improve the processability of the workpieces. The heat treatment industrial furnace used in the current market is structurally a heat treatment industrial furnace with a push-pull device at the bottom, a workpiece needing heat treatment in the working process of the system is placed on a bottom plate with the push-pull device, the workpiece is pushed into a heating furnace through manual operation, the heating furnace is an electric heating furnace, a heat insulation layer is formed by stacking refractory bricks, and then the workpiece is heated to the required temperature through a temperature control unit to realize a heat treatment process. The heat treatment industrial furnace is characterized by simple structure and simple operation, but the operation is realized by manpower, so the furnace is not suitable for an automatic production line, and the whole process needs the recording and control of operators, thus being troublesome and laborious.

Disclosure of Invention

In order to overcome the above defects in the prior art, an embodiment of the present invention provides an automatic intelligent melt-compression molding apparatus based on a remote control technology, and the present invention aims to solve the technical problems that: how to meet the requirements of the fusion pressing and forming of a plurality of sections and a section of large-size optical fiber panel blank plate and ensure the technical index requirements of the optical fiber panel blank plate such as image distortion, optical performance, dark spots and the like.

In order to achieve the purpose, the invention provides the following technical scheme: an automatic intelligent melt-compression molding device based on a remote control technology comprises a control system, a vacuum melt-compression molding furnace, a pressure system, a vacuum system and a circulating water system;

the control system comprises a PLC and a human-computer interface, and is controlled by adopting a full-automatic PLC control system and human-computer interface interaction mode to perform manual and automatic switching; the vacuum melting and pressing forming furnace, the pressure system, the vacuum system and the circulating water system are controlled through a PLC, and the control system mainly comprises four execution units, namely a vacuum analog quantity control system, a displacement analog quantity control system, a pressure analog quantity control system and a temperature analog quantity control system;

the vacuum melting and pressing forming furnace comprises a furnace body and a heating and heat-preserving system, wherein the furnace body consists of a furnace shell, an inner hearth, a furnace cover and a pressure head sealing piece; the inner hearth has a mechanical positioning function, so that the mold is ensured to be arranged in the center and is in a straight line with the center of the hydraulic cylinder; an O-shaped ring seal is arranged between the furnace body and the furnace cover to prevent the O-shaped ring from aging caused by overhigh temperature; the pressure head sealing element has the characteristics of good sealing performance, long service life, difficult damage and easy replacement; the heat preservation system comprises a heating body and a heat preservation plate area; the main function is to heat the large-size optical fiber panel to the temperature capable of fusion-compression molding, and simultaneously maintain the temperature uniformity and stability of the effective working area in the furnace in the whole fusion-compression molding process; the heating body and the heat preservation plate area are respectively processed and designed into two independent units, so that the installation and the maintenance are convenient; the heating element is made of a material with long service life and high heating efficiency, so that the heating element has high stability and can be heated quickly; the heat preservation plate area is designed into an integral structure, so that the installation is simple and the environment is not easily polluted;

the pressure system comprises a main body frame, a travelling mechanism, a transverse movement adjusting mechanism, a locking device, a pressure head, a hydraulic cylinder and a control box; the main body frame is a gantry type frame, so that the structure is simple and the operation is convenient; the walking mechanism is arranged in a way that the speed reduction motor drives the main body framework to move, and the whole main body framework moves smoothly and can be automatically aligned; the locking device is characterized in that a special locking mechanism is designed on the main body frame and is fixed on the guide rail corresponding to the transverse movement adjusting mechanism, the position of the hydraulic cylinder is unchanged in the hot pressing process, and a simple locking representation is matched, so that the inspection of an operator is facilitated; the transverse moving adjusting mechanism is provided with guide rails at X and Y plane positions on the main body frame, and can accurately align to a hydraulic cylinder to be pressurized;

the hydraulic cylinder comprises an oil supply pump, a control valve group and an oil cylinder, wherein the oil supply pump adopts an integral valve to control a variable oil supply pump, so that the supply of pressure oil is adjustable, and the requirement of variable pressure head descending speed is met;

the pressure of the oil supply pump corresponds to the pressure output pressure of the oil cylinder; a pressure sensor is also arranged in the pressure system 3, and the pressure sensor outputs a pressure signal to the PLC control system 1 while monitoring the oil pressure so as to realize automatic control of the pressurization process;

the oil cylinder is controlled by bidirectional oil pressure, so that the oil way is good in tightness, and a pressure head can reliably move up and down; a displacement sensor is arranged on an output shaft of the oil cylinder, monitoring of the displacement of the pressure head is implemented, and meanwhile, a displacement signal is acquired to a PLC control system, so that set process control is realized, and automatic control is completed;

the vacuum system comprises a vacuum pump and a vacuum valve, the vacuum valve is arranged at the output end of the vacuum pump, and the vacuum system is mainly used for ensuring vacuum in the fusion compression molding process; in order to avoid that the working medium-vacuum oil of the oil-immersed vacuum pump can reversely diffuse into the heating inner hearth when the oil-immersed vacuum pump works, and deposit on the surface of the fiber to pollute the fiber, so that the optical defect of the product is generated, an oil-free vacuum system 4 is adopted or corresponding measures are adopted to avoid polluting the inner hearth when the oil-immersed vacuum pump works or power failure occurs;

the circulating water system comprises a cooling water pipe, a circulating pump and a water storage tank, the cooling water pipe is arranged at the sealing position of the furnace body and the furnace cover, the output end of the circulating pump is connected with the cooling water pipe, the input end of the circulating pump is connected with the water storage tank, one end of the cooling water pipe, far away from the circulating pump, is connected with the inner cavity of the water storage tank, and the water storage tank is fixedly arranged on the outer wall of the furnace body.

In a preferred embodiment, the vacuum pump is an oil-free vacuum pump, the ultimate vacuum requirement of the vacuum pump is not lower than 2Pa and not higher than 10Pa, and the pumping speed of the vacuum pump is not lower than 8 l/s.

In a preferred embodiment, the human-machine interface comprises a Profibus-DP interface or a Profinet interface, and when the control system fails, a bypass function is required, which does not result in a failure of the device.

In a preferred embodiment, the inner hearth and the cooling water pipe are welded and fixed by argon arc welding, and the size of the inner hearth is larger than that of the heat preservation plate area.

In a preferred embodiment, the inner wall of the inner hearth is made of 2520 stainless steel material, so that the inner hearth is not easy to deform, rust and slag fall at high temperature in the using process, the working environment is kept clean, the product is not polluted, and the reliability is high.

The invention has the technical effects and advantages that:

1. the invention systematically integrates and transforms the whole production flow of the ultra-high temperature vacuum equipment products by utilizing the advanced technology of industrial internet and intelligent control, applies advanced and stable control software, creates an unmanned production line and an unmanned workshop, ensures that the production line is controlled easily, improves the operation efficiency of enterprises, uses a manipulator to hold a tool, and automatically operates in the environments of high temperature, dust and harmful gas, so that people can be out of severe labor conditions and the labor intensity can be reduced, the labor productivity can be improved, the product quality can be ensured, the invention has the characteristics of automation of equipment, process digitization, production flexibility, process visualization, information integration and decision autonomy, can realize the purposes of improving the product yield, shortening the development period and reducing the labor cost, and achieves the effect of multi-variety mixed-flow ordered production;

2. the invention has the manual/automatic dual operation function, can switch at any time, carries out data acquisition on a monitored object, realizes the application of 'Internet +', can further realize the advanced functions of data archiving, online reporting and intelligent decision through expansion, and displays and records the process parameters in real time by a PLC control and human-computer interface touch screen, wherein the content of the data acquisition comprises the operation signal, the operation data, the yield information, the system parameters, the fault signal, the trend signal and the video key signal processed by the industrial personal computer control software.

Drawings

Fig. 1 is a schematic view of the overall working principle of the present invention.

Fig. 2 is a block diagram of the system of the present invention.

The reference signs are: 1 a control system, 2 a vacuum melting and pressing forming furnace, 3 a pressure system, 4 a vacuum system and 5 a circulating water system.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The invention provides an automatic intelligent melt-compression molding device based on a remote control technology, which comprises a control system 1, a vacuum melt-compression molding furnace 2, a pressure system 3, a vacuum system 4 and a circulating water system 5;

the control system 1 comprises a PLC and a human-computer interface, and is controlled by adopting a full-automatic PLC control system 1+ human-computer interface interaction mode to perform manual and automatic switching; the vacuum melting and pressing forming furnace 2, the pressure system 3, the vacuum system 4 and the circulating water system 5 are controlled through a PLC, and the control system 1 mainly comprises four execution units, namely a vacuum, displacement, pressure and temperature analog quantity control system 1;

(1) vacuum control

When the program meets the set vacuum pumping requirement, starting a vacuum pump, opening a vacuum valve, starting to pump vacuum, closing the vacuum valve after the melt-compression molding is finished, and determining whether to close the vacuum pump according to whether the vacuum is used by other equipment;

(2) displacement control

The displacement control system 1 adopts a displacement sensor, can set any displacement value on a human-computer interface, sets displacement in advance according to process requirements, when the temperature of the system reaches the fusion temperature, an oil cylinder of a hydraulic cylinder starts to automatically press down, a displacement meter moves downwards along with a pressure head, the hydraulic cylinder starts to pressurize a mold in an inner hearth, when the pressure head is contacted with a furnace cover, the displacement has an automatic correction function, and the system monitors the displacement in real time and controls the displacement to be continuously and stably; when the set displacement is zero, the oil cylinder is automatically lifted, the displacement meter rises along with the pressure head, the temperature program stops, and the work is finished;

(3) pressure control

The pressure is controlled in an automatic pressurizing mode; the pressure measurement adopts a pressure sensor, the system feeds back signals to the PLC through the pressure sensor for pressure control, and the pressure is controlled to stably rise according to a set curve through signal feedback; when the set fusion pressure temperature is reached, the system automatically starts a pressing program to start the fusion pressure process, the oil cylinder extends out, and the pressure head descends; when the pressure head is contacted with the furnace cover, the pressure value starts to be generated, the pressure head continuously drops along with the continuous increase of the pressure value, the pressure value is continuously fed back to the PLC, the PLC continuously processes data, monitors the pressure in real time and controls the pressure to be continuously and stably executed according to a set process curve;

(4) temperature control

The temperature control system can automatically program temperature rise, in order to ensure the constant temperature area and temperature uniformity of the scheme, the temperature can be automatically tracked under the requirement of a process temperature curve, and the closed-loop control of the temperature can be realized; a multi-zone heating temperature control system is adopted, each zone is provided with a PID automatic adjusting function, a human-computer interface simultaneously displays the set temperature and the actual temperature, a fusion pressure temperature curve can be selected randomly through screening, the display interface automatically records the temperature rise process and the historical curve, and the system has the functions of PID and overtemperature alarm, can store and output records, and clearly reflects the working condition of the furnace;

the vacuum melting and pressing forming furnace 2 comprises a furnace body and a heating and heat-preserving system, wherein the furnace body consists of a furnace shell, an inner hearth, a furnace cover and a pressure head sealing piece; the inner hearth has a mechanical positioning function, so that the mold is ensured to be arranged in the center and is in a straight line with the center of the hydraulic cylinder; an O-shaped ring seal is arranged between the furnace body and the furnace cover to prevent the O-shaped ring from aging caused by overhigh temperature; the pressure head sealing element has the characteristics of good sealing performance, long service life, difficult damage and easy replacement; the heat preservation system comprises a heating body and a heat preservation plate area; the main function is to heat the large-size optical fiber panel to the temperature capable of fusion-compression molding, and simultaneously maintain the temperature uniformity and stability of the effective working area in the furnace in the whole fusion-compression molding process; the heating body and the heat preservation plate area are respectively processed and designed into two independent units, so that the installation and the maintenance are convenient; the heating element is made of a material with long service life and high heating efficiency, so that the heating element has high stability and can be heated quickly; the heat preservation plate area is designed into an integral structure, so that the installation is simple and the environment is not easily polluted;

the pressure system 3 comprises a main body frame, a travelling mechanism, a transverse movement adjusting mechanism, a locking device, a pressure head, a hydraulic cylinder and a control box; the main body frame is a gantry type frame, so that the structure is simple and the operation is convenient; the walking mechanism is arranged in a way that the speed reduction motor drives the main body framework to move, and the whole main body framework moves smoothly and can be automatically aligned; the locking device is characterized in that a special locking mechanism is designed on the main body frame and is fixed on the guide rail corresponding to the transverse movement adjusting mechanism, the position of the hydraulic cylinder is unchanged in the hot pressing process, and a simple locking representation is matched, so that the inspection of an operator is facilitated; the transverse moving adjusting mechanism is provided with guide rails at X and Y plane positions on the main body frame, and can accurately align to a hydraulic cylinder to be pressurized;

the hydraulic cylinder comprises an oil supply pump, a control valve group and an oil cylinder, wherein the oil supply pump adopts an integral valve to control a variable oil supply pump, so that the supply of pressure oil is adjustable, and the requirement of variable pressure head descending speed is met; the control valve group can realize the following functions:

1. quick action control (quick pressing and quick retraction) of the pressing oil cylinder;

2. program pressurization control of the pressing oil cylinder;

3. manual pressurization control of the pressing oil cylinder;

the pressure of the oil supply pump corresponds to the pressure output pressure of the oil cylinder; a pressure sensor is also arranged in the pressure system 3, and the pressure sensor outputs a pressure signal to the PLC control system 1 while monitoring the oil pressure so as to realize automatic control of the pressurization process;

the oil cylinder is controlled by bidirectional oil pressure, so that the oil way is good in tightness, and a pressure head can reliably move up and down; a displacement sensor is arranged on an output shaft of the oil cylinder, monitoring of the displacement of the pressure head is implemented, and meanwhile, a displacement signal is acquired to the PLC control system 1, so that set process control is realized, and automatic control is completed;

the vacuum system 4 comprises a vacuum pump and a vacuum valve, the vacuum valve is arranged at the output end of the vacuum pump, and the vacuum system has the main function of ensuring vacuum in the fusion compression molding process; in order to avoid that the working medium-vacuum oil of the oil-immersed vacuum pump can reversely diffuse into the heating inner hearth when the oil-immersed vacuum pump works, and deposit on the surface of the fiber to pollute the fiber, so that the optical defect of the product is generated, an oil-free vacuum system 4 is adopted or corresponding measures are adopted to avoid polluting the inner hearth when the oil-immersed vacuum pump works or power failure occurs;

the circulating water system 5 comprises a cooling water pipe, a circulating pump and a water storage tank, the cooling water pipe is arranged at the sealing position of the furnace body and the furnace cover, the output end of the circulating pump is connected with the cooling water pipe, the input end of the circulating pump is connected with the water storage tank, one end of the cooling water pipe, far away from the circulating pump, is connected with the inner cavity of the water storage tank, and the water storage tank is fixedly arranged on the outer wall of the furnace body.

The vacuum pump sets up to no oil vacuum pump, and vacuum pump limit vacuum requires to be not less than 2Pa and not more than 10Pa, and the vacuum pump pumping speed is not less than 8l/s, man-machine interface includes Profibus-DP interface or Profinet interface, and when control system 1 broke down, need have bypass function, did not draw the unable operating condition of equipment now, adopt argon arc welding welded fastening between interior furnace and the condenser tube, and interior furnace size is greater than the heat preservation district, interior furnace inner wall should be made by 2520 stainless steel material, non-deformable under the use high temperature, does not rust, is difficult for falling the sediment, keeps operational environment clean, and the non-staining product has higher reliability simultaneously.

As shown in fig. 1-2, the embodiment specifically is:

through the random switching of the manual/automatic double-construction functions, manual control can be carried out on site by utilizing buttons arranged on a human-computer interface of a control cabinet, each pump and each valve can be independently opened and closed, automatic control can be carried out by utilizing an ohm dragon PLC through the program setting of the previous stage, the remote control and one-key starting functions are realized, and the starting and the stopping of the vacuum pump can be realized according to the experimental requirements and the technological process of customers; adjusting power and starting and stopping of a heating system power supply; the automatic control of the program can be realized, and various process parameters (such as temperature, vacuum degree and sodium flow) are displayed, controlled and recorded; the control system 1 is provided with a perfect alarm system, monitors and alarms water pressure, water temperature, water flow, atmosphere pressure, vacuum pump faults, heating overcurrent and disconnection, and can make corresponding protection actions and send out acousto-optic alarms according to the faults when the alarm is sent out, and a human-computer interface touch screen and a PLC (programmable logic controller) can also display, record and archive the faults in real time so as to facilitate next inquiry; the production line is monitored and controlled by mobile equipment such as a mobile phone and a tablet personal computer, in addition, a user can customize various products which can be processed by the production line on line through the mobile equipment, simultaneously, the processing flow of the products is checked in real time, and the equipment has a manual/automatic dual operation function and can be switched at any time; the PLC is used for controlling, and a human-computer interface touch screen is used for displaying and recording process parameters in real time; meanwhile, corresponding design, planning, software and equipment production, installation and debugging can be carried out according to the specific production requirements of enterprises, an automatic and informatization integrated intelligent automatic production line is built, the functions of data acquisition and application to production sites, management and management, equipment maintenance and equipment improvement are realized, and therefore the intelligent automatic production line product provides an intelligent manufacturing system solution:

table 1: the automatic control system 1 index and system scale of the project ultrahigh-temperature vacuum equipment

The working principle of the invention is as follows:

referring to the attached drawings 1-2 of the specification, after the optical fiber composite filaments precisely arranged in the die are heated to a proper temperature in a vacuum environment and subjected to heat preservation treatment, a special press is used for uniformly applying pressure to the die to perform vacuum fusion on the precisely arranged composite fibers, the temperature of each part of the fibers is ensured to be uniform in the heating process, and the blank plate of the large-size optical fiber panel is ensured to be formed.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the invention, only the structures related to the disclosed embodiments are referred to, other structures can refer to common designs, and the same embodiment and different embodiments of the invention can be combined with each other without conflict;

and finally: the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that are within the spirit and principle of the present invention are intended to be included in the scope of the present invention.