CN206193470U - Injection molding machine intelligent control ware based on machine vision - Google Patents
Injection molding machine intelligent control ware based on machine vision Download PDFInfo
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- CN206193470U CN206193470U CN201621107403.7U CN201621107403U CN206193470U CN 206193470 U CN206193470 U CN 206193470U CN 201621107403 U CN201621107403 U CN 201621107403U CN 206193470 U CN206193470 U CN 206193470U
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Abstract
The embodiment of the application provides injection molding machine intelligent control ware based on machine vision, the controller includes the host computer, the switching power supply who is connected with the host computer input, and the human -computer interaction system that is connected with the host computer output, the host computer is used for harvester ware state information and requires to export control signal to human -computer interaction system according to the parameter of settlement and the control of mode and machine, the human -computer interaction system is used for setting for machine mode and working parameter, and the control signal that will follow the machine operating condition of host computer receipt passes through the demonstration of human -computer interaction system, and is high in safety, the utility model provides a controller can be according to expertise and the current environmental selection optimum control parameter that moulds plastics, sets up injection mold's compound die condition, utilizes machine vision and image processing techniques to carry out the automatic protection to the mould to and carry out automated inspection to the product quality, guarantee product quality.
Description
Technical field：
The application is related to the plastics processing control field of injection machine, more particularly to a kind of injection based on machine vision
Machine intelligent controller.
Background technology：
In recent years, every profession and trade is constantly increasing to the demand of plastic products, and the quality requirement to plastic products is also more next
It is higher, including plastic products dimensional accuracy and weight accuracy, this require develop the corresponding accuracy requirement of injection functional adaptation,
The pollution of shaping efficiency, energy-conservation, low noise and low environment, easy to operate etc. must also be met simultaneously to require.
The control technology of injection machine is one of key technology of lifting injection machine overall technology level.Traditional injection machine one
As controlled using simple relay, contactor, mostly opened loop control is carried out the switching of operation program by travel switch and block
Control, due to using wire connection, being only applicable to the technical process of a certain fixation, once process is changed to be accomplished by connecting again
Connect, install, develop and debug time is long, short life, poor reliability, control accuracy is low, and injection machine level is difficult to improve.Existing note
Setting of the molding machine control system to control parameter is input into according to the experience of operating personnel, and the parameter of different operating personnel's settings
Inconsistent, there is blindness in the setting of parameter.Under different ambient conditions, same parameter is possible to be molded by different
There is contingency in product quality, the setting of parameter.Therefore, the quality for being easy to occur product in traditional Shooting Technique is asked
Topic, such as：It is short penetrate, overlap, warpage, weld mark and scale error etc..
With the development of injection molding process, many industries to the required precision more and more higher of injection moulded products, however,
Domestic injection molding technology is also only resided within the control plane to injection temperature or injection pressure, by these biographies
The injection moulding means of system are difficult to be controlled the quality of product, also do not reach required precision.
Utility model content：
The quality problems that the handicraft gone out to solve injection machine plastics processing of the prior art is present, the application
A kind of injection machine intelligent controller based on machine vision is provided, it can select optimal injection according to expertise and current environment
Control parameter, sets up the matched moulds condition of injection mold, and automatic protection is carried out to mould using machine vision and image processing techniques,
And automatic detection is carried out to product quality, it is ensured that and product quality, meet quick, accurate, the energy-saving requirement of injection moulding.
The application is achieved through the following technical solutions：
Injection machine intelligent controller based on machine vision, the controller includes what main frame and main frame input were connected
Switching Power Supply and the man-machine interactive system being connected with host output end, the main frame are used to gather machine state information and root
Man-machine interactive system, the man-machine friendship are output control signals to according to the control requirement of the parameter and mode of operation and machine of setting
Mutual system is used to setting machine operation pattern and running parameter, and the machine operation state that will be received from main frame control signal
Shown by man-machine interactive system, the Switching Power Supply is used to be that control main frame and man-machine interactive system provide normal work institute
Need power supply.
The injection machine intelligent controller based on machine vision as described above, the main frame include processor chips and
A/D sampling modules, D/A output modules, I/O modules and the communication module being connected with processor chips, described processor chips
For controlling control system for shot machine and processing control system instruction, the A/D sampling modules are used to realize that machine Control system is joined
The treatment of number sensing detection, and transmitted to processor chips by certain communication protocol, the D/A output modules are used to control liquid
The proportioning valve and flow valve of pressure system, the I/O modules be used for drive relay and magnetic valve, while detect limit switch and
Other on-off models, the working condition of injection machine is judged with this.
Injection machine intelligent controller based on machine vision as described above, the man-machine interactive system includes guidance panel
And control panel, described control panel includes keypad, base plate and core board, described keypad by serial port with
Base plate is connected, and the base plate and core board carry out physical connection by contact pin, the core board include MCU, SDRAM flash memory,
FLASH flash memories and liquid crystal display change-over panel, the base plate inherit peripheral interface, and comprising 10/100M Ethernet interfaces, CAN is total
Line, LCD interfaces, COBBAIF, USB interface and UART interface；The keypad is controlled using independent microprocessor.
Injection machine intelligent controller based on machine vision as described above, the microprocessor is using 16 or 32 essences
The processor of simple order structure, dominant frequency scope in more than 200MHz.
Injection machine intelligent controller based on machine vision as described above, the flash memory includes using 32M × 16 core
The NANDFLASH of piece.
Injection machine intelligent controller based on machine vision as described above, the controller also includes Software for Design portion
Point, the Software for Design part includes man-machine interactive system software, host software and Expert System Design software, described man-machine
Interactive system software includes Keysheet module, display module and communication module, and the man-machine interactive system software is grasped based on Linux
Make to be developed on system and YAFFS2 embedded file systems, C programmer design is write, and line code is entered using MinGWStudio
Compiling, Interface Development is carried out using QT/E；The host software includes communication module, temperature detection control module, ratio
Valve control module, displacement detection module and process control module, the host software are used to realize to A/D samplings, D/
A outputs, I/O scannings and reception man-machine interactive system are instructed and make corresponding treatment, control the process actions of injection machine；
The expert decision system includes that KBS, knowledge base obtain machine, inference machine, intermediate database and real-time data base,
The KBS is connected with knowledge acquisition machine, and the intermediate database is mutually interconnected by inference machine with the KBS
Connect, the real-time data base is connected with the intermediate database, the expert decision system calculates and knowledge reasoning phase model
With reference to, molding parameter knowledge base is set up, and according to the purpose of Self Adaptive Control design inference machine.
Injection machine intelligent controller based on machine vision as described above, the controller also includes being led to main frame
The NI Vision Builder for Automated Inspection of letter, the NI Vision Builder for Automated Inspection is used to complete the protection and the detection of product quality to mould, in injection
Before machine matched moulds, image procossing is carried out to the machine vision image before matched moulds, judged whether to meet note according to the characteristics of image for extracting
The matched moulds condition of mould, determines whether forming machine can be with locked mode, to protect mould；After taking out product, using high resolution CCD
Obtain the digitized image of product and image is processed, product characteristics of image is extracted after processing image to product
Quality is evaluated and defects detection；The main frame is used for start machine vision system and is sent to operational order, the machine
Device vision system performs corresponding operation and operating result is fed back into main frame according to the operational order for receiving, and main frame is according to machine
The result of vision system makes corresponding operation.
Compared with prior art, the application has the following advantages：
1st, be conducive to setting up injection machine expert knowledge library, by the domain-specialist knowledge for obtaining or professional skill regularization,
And KBS is stored in, it is that follow-up molding parameter adaptive generation lays the foundation；
2nd, be conducive to introducing to make decisions on one's own mechanism, various environmental parameters, Machine Vision Detection product are detected by sensor
Quality parameter, according to injection machine expert knowledge library reasoning, the optimal injection molding parameter under adaptive generation current environment；
3rd, be conducive to setting up safe matched moulds condition and Product checking model, image is carried out to the machine vision image before matched moulds
Treatment, according to machine vision and the result of image procossing, judges whether to meet the matched moulds condition of injection mold, realizes mould oneself
Dynamic protection；
4th, be conducive to setting up the detection model of product quality, characteristics of image extracted using machine vision, to the quality of product
Evaluated and defects detection.
Brief description of the drawings：
In order to illustrate more clearly of the technical scheme in the embodiment of the present application, below will be to make needed for embodiment description
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present application, for
For those of ordinary skill in the art, on the premise of not paying creative work, other can also be obtained according to these accompanying drawings
Accompanying drawing.
Fig. 1 is the overall construction drawing of the controller of the application；
Fig. 2 is the man-machine interactive system structure chart of the application；
Fig. 3 is the host computer system structure chart of the application；
Fig. 4 is the expert decision system overall construction drawing of the application；
Fig. 5 is the man-machine interactive system program flow diagram of the application；
Fig. 6 is the main frame main program flow chart of the application；
Fig. 7 is the NI Vision Builder for Automated Inspection cut-away view of the application.
Specific embodiment：
In order that technical problem, technical scheme and beneficial effect that the application is solved become more apparent, below in conjunction with
Drawings and Examples, are further elaborated to the application.It should be appreciated that specific embodiment described herein is only used
To explain the application, it is not used to limit the application.
Injection machine intelligent controller based on machine vision, the controller includes that main frame 100 and main frame input are connected
Switching Power Supply 200 and the man-machine interactive system 300 that is connected with host output end, the main frame is used to gather machine state
The control requirement of information and the parameter according to setting and mode of operation and machine outputs control signals to man-machine interactive system, institute
Man-machine interactive system is stated for setting machine operation pattern and running parameter, and the machine operation state that will be received from main frame
Control signal shows that it is that control main frame and man-machine interactive system are provided just that the Switching Power Supply is used for by man-machine interactive system
The required power supply of often work.Controller constitutes upper and lower machine system from the bi-processor architecture of ARM+DSP, and host computer is man-machine
With ARM as core, slave computer is main frame with DSP as core for interactive system part.Controller uses embedded OS
(RTOS) as software platform, electronic circuit sequential control uses integrated circuit using discrete component or part, with gate circuit generation
For relay, alternating current electromagnetic valve is replaced with DC electromagnetic valve, the switching along news is acted with static position switch and block realization,
Very fast, small volume, low cost and other advantages with response.
The main frame includes that processor chips 101 and the A/D sampling modules 102, D/A being connected with processor chips are defeated
Go out module 103, I/O modules 104 and communication module, described processor chips are used to control control system for shot machine and process control
System command processed, the A/D sampling modules are used to realize the treatment of machine Control system parameter sensing detection, and by certain communication
Agreement is transmitted to processor chips, the control parameter analog quantity ginseng such as including pressure, speed, temperature, rotating speed, displacement on injection machine
Number, the mode that A/D sampling modules are accessed using sensor to external world or monitoring device, to slow varying signal using polling mode by week
Phase T is gathered, to fast changed signal by the way of interrupting；Signal to collecting is transmitted by certain communication protocol.The D/A is defeated
Go out module and be mainly to convert digital signals into analog signal output, proportioning valve and flow valve for controlling hydraulic system, institute
I/O modules are stated for driving relay and magnetic valve, while detecting limit switch and other on-off models, note is judged with this
The working condition of molding machine.Processor chips are dsp chip, using TMS320F2812 chips (32 fixed-point dsps
Chip), with abundant Peripheral Interface, system clock substantially increases the speed of system operation up to 150MHz, meets injection
Requirement of the machine control system to the real-time of multiple-task.
The man-machine interactive system includes guidance panel and control panel, described control panel include keypad, base plate,
And core board, described keypad is connected by serial port with base plate, and the base plate and core board carry out thing by contact pin
Reason connection, the core board includes MCU, SDRAM flash memory, FLASH flash memories and liquid crystal display change-over panel, the integrated periphery of base plate
Interface, comprising 10/100M Ethernet interfaces, CAN, LCD interfaces, COBBAIF, USB interface and UART interface；It is described
Keypad is controlled using independent microprocessor.Man-machine interactive system is conveniently changed and stores information used by injection moulding, such as each
Position, the time parameter of the setting of section barrel temperature, unlocking mold, injection, melten gel etc., operation history data of injection machine etc., information
Also can be preserved to USB flash disk by USB interface, or central control room is uploaded to by network, be convenient for data analysis.Man-machine interaction
Using SAMSUNG2410 (ARM9 kernels) as microprocessor, using 16 or 32 reduced instruction structures, dominant frequency is up to system
203MHz, be equipped with Large Copacity SDRAM flash memories (synchronous DRAM), using 32M × 16 chip
NANDFLASH, base plate, using separate design architecture, is easy to extend ancillary equipment, while in man-machine interactive system with core board
It is middle introduce expert knowledge library and mechanism of making decisions on one's own, realize production molding parameter automatically generate, Self-tuning System, self-optimizing, make plus
Work process is more intelligent.Ectocine (such as voltage, environment temperature) Automatic Optimal relevant parameter in production process
And decision-making concrete operations flow, determine the optimal process condition of injection moulding processing.
The controller also includes Software for Design part, and the Software for Design part includes man-machine interactive system software, master
Machine software and Expert System Design software, the man-machine interactive system software include Keysheet module, display module and communication
Module, the man-machine interactive system software is based on being developed on (SuSE) Linux OS and YAFFS2 embedded file systems, C language
Programming is write, and code compilation is carried out using MinGWStudio, and Interface Development is carried out using QT/E；The main frame is soft
Part includes communication module, temperature detection control module, proportional valve control module, displacement detection module and process control
Module, the host software is used to realize to A/D samplings, D/A outputs, I/O scannings and receives man-machine interactive system instruction simultaneously
Corresponding treatment is made, the process actions of injection machine are controlled；The expert decision system includes that KBS, knowledge base are obtained
Machine, inference machine, intermediate database and real-time data base, the KBS are connected with knowledge acquisition machine, the mediant
It is connected with each other with the KBS by inference machine according to storehouse, the real-time data base is connected with the intermediate database, institute
State expert decision system to be combined model calculating and knowledge reasoning, set up molding parameter knowledge base, and according to Self Adaptive Control
Purpose design inference machine.Main frame main program flow chart is as shown in fig. 6, main program uses the program knot of single task circular treatment
Structure, can improve the real-time that system response is interrupted.As shown in figure 4, expert decision system has given full play to expert system with knowledge
The characteristics of inference form solves the problems, such as qualitative analysis, has been played DSS and has been quantified with the solution that model is calculated as core again
The characteristics of problem analysis, the combination of qualitative analysis and quantitative analysis is fully accomplished, has been near space resource allocation problem
There is provided a solution.The expert decision system of the application calculates model and knowledge reasoning is combined, and sets up shaping ginseng
Number knowledge bases, and the inference machine according to the target design of Self Adaptive Control.System changes control automatically according to input, output variable
Rule, reaches the purpose of optimal control.Such as：The section control of barrel temperature.DSS carries out model by computer
Calculating, knowledge reasoning and acquisition relevant information and the knowledge from knowledge base, realize aid decision, automatically generate injection machine most
Good molding parameter.When ambient parameter changes, controller can call expert knowledge library within the Millisecond time, and operation is made decisions on one's own
Optimization and conciliation proceedings, are adjusted to parameter.
The controller also includes the NI Vision Builder for Automated Inspection communicated with main frame, and the NI Vision Builder for Automated Inspection is used to complete
The detection of protection and product quality to mould, before injection machine matched moulds, is carried out at image to the machine vision image before matched moulds
Reason, judges whether to meet the matched moulds condition of injection mold according to the characteristics of image for extracting, determine forming machine whether can with locked mode, with
Protection mould；After taking out product, obtain the digitized image of product using high resolution CCD and image processed, to figure
Product characteristics of image is extracted after as being processed to evaluate the quality of product and defects detection；Testing result is determined as expert
Plan system generates the important evidence of injection molding parameter, so as to realize the Self Adaptive Control of injection moulding process.Additionally, this partial function
It is addition injection molding mechanical arm pickup, realizes that high speed, full-automatic injection lay the foundation.NI Vision Builder for Automated Inspection uses SPI with main frame
Bus mode communicates, and the main frame is used for start machine vision system and is sent to operational order, the NI Vision Builder for Automated Inspection
Corresponding operation being performed according to the operational order for receiving and operating result being fed back into main frame, main frame is according to NI Vision Builder for Automated Inspection
Result makes corresponding operation.
In addition to the above-mentioned NI Vision Builder for Automated Inspection for obtaining the quality parameter of injecting products, the controller also includes servo
Control system, the servo-control system includes multi-parameter multichannel real-time data capture and closed loop servo-control system two
Point, the exogenous data information that the multi-parameter multichannel real-time data capture is used for needed for collecting expert system reasoning, using right
The mode that extraneous sensor or monitoring device are accessed is gathered using polling mode to slow varying signal by cycle T, and fast changed signal is adopted
With the mode interrupted, transmitted by certain communication protocol to collecting signal；The closed loop servo-control system is more for realizing
Parameter closed loop real-time measure and control, reaches precision and real-time index.The closed loop servo-control system point two-stage, host computer is special
Family's system is used to complete Model Parameter Optimization and control decision, the next machine host be used to completing the regulation of basic automatization single loop and
Digital output modul.The setting of condition of molding：The control device of slave computer, i.e. injection machine is sent to by communication interface by host computer
In, the system is based on intelligent control technology, and the main technologic parameters according to injection are modified with measured value to control, constantly change
Kind control effect, improve product quality.
The application uses advanced microprocessor control technology, and intelligent control technology is applied to the multi-parameter control of injection machine
System, realizes high accuracy, efficient control, can meet the processing needs of multi items complexity injection molding engineering goods, favorably
In the technological transformation for realizing conventional industries, the controlled level of plastic processing and the automaticity of whole machine are improved.The base of the application
Can be revolved according to expertise and current environment, and product quality testing result in the injection machine intelligent controller of machine vision
Turn optimal injection control parameter, set up the matched moulds condition of injection mold and the detection model of product quality, using machine vision and
Image processing techniques carries out automatic protection to mould, and realizes the Self Adaptive Control of injection moulding process, the fortune of servo-control system
With ensure that the precise control of injection molding process, while also achieving the energy-saving of injection machine, injection moulding is met fast
Fast, accurate, energy-saving requirement.
It is as described above to combine one or more implementation method that particular content is provided, does not assert tool of the present utility model
Body is implemented to be confined to these explanations.It is all approximate with method of the present utility model, structure etc., identical or new for this practicality
Some technology deduction or replace are made under type concept thereof, should all be considered as protection domain of the present utility model.
Claims (6)
1. the injection machine intelligent controller of machine vision is based on, it is characterised in that：The controller includes that main frame and main frame are input into
The man-machine interactive system held the Switching Power Supply of connection and be connected with host output end, the main frame is used to gather machine state
The control requirement of information and the parameter according to setting and mode of operation and machine outputs control signals to man-machine interactive system, institute
Man-machine interactive system is stated for setting machine operation pattern and running parameter, and the machine operation state that will be received from main frame
Control signal shows that it is that control main frame and man-machine interactive system are provided just that the Switching Power Supply is used for by man-machine interactive system
The required power supply of often work.
2. the injection machine intelligent controller based on machine vision according to claim 1, it is characterised in that：The main frame bag
Processor chips and the A/D sampling modules, D/A output modules, I/O modules and the communication module that are connected with processor chips are included,
Described processor chips are used to control control system for shot machine and process control system instruction, and the A/D sampling modules are used for
The treatment of machine Control system parameter sensing detection is realized, and is transmitted to processor chips by certain communication protocol, the D/A is defeated
Go out module for controlling the proportioning valve and flow valve of hydraulic system, the I/O modules are used to drive relay and magnetic valve, while
Detection limit switch and other on-off models, the working condition of injection machine is judged with this.
3. the injection machine intelligent controller based on machine vision according to claim 2, it is characterised in that：The man-machine friendship
Mutual system includes guidance panel and control panel, and described control panel includes keypad, base plate and core board, described
Keypad is connected by serial port with base plate, and the base plate and core board carry out physical connection, the core board by contact pin
Including MCU, SDRAM flash memory, FLASH flash memories and liquid crystal display change-over panel, the base plate inherits peripheral interface, comprising 10/100M
Ethernet interface, CAN, LCD interfaces, COBBAIF, USB interface and UART interface；The keypad is using independent
Microprocessor is controlled.
4. the injection machine intelligent controller based on machine vision according to claim 3, it is characterised in that：The microprocessor
Device be using 16 or 32 reduced instruction structures, dominant frequency scope more than 200MHz processor.
5. the injection machine intelligent controller based on machine vision according to claim 3, it is characterised in that：The flash memory bag
Include using the NANDFLASH of 32M × 16 chip.
6. the injection machine intelligent controller based on machine vision according to claim 2, it is characterised in that：Described treatment
Device chip uses TMS320F2812 chips.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621107403.7U CN206193470U (en) | 2016-10-09 | 2016-10-09 | Injection molding machine intelligent control ware based on machine vision |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621107403.7U CN206193470U (en) | 2016-10-09 | 2016-10-09 | Injection molding machine intelligent control ware based on machine vision |
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| Publication Number | Publication Date |
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| CN206193470U true CN206193470U (en) | 2017-05-24 |
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ID=58729779
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| Application Number | Title | Priority Date | Filing Date |
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| CN201621107403.7U Expired - Fee Related CN206193470U (en) | 2016-10-09 | 2016-10-09 | Injection molding machine intelligent control ware based on machine vision |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110774553A (en) * | 2019-03-01 | 2020-02-11 | 广东台进智能装备股份有限公司 | Multi-injection molding machine linkage injection molding precision control system and control method thereof |
| CN114506042A (en) * | 2020-11-16 | 2022-05-17 | 精工爱普生株式会社 | Management system for injection molding machine |
-
2016
- 2016-10-09 CN CN201621107403.7U patent/CN206193470U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110774553A (en) * | 2019-03-01 | 2020-02-11 | 广东台进智能装备股份有限公司 | Multi-injection molding machine linkage injection molding precision control system and control method thereof |
| CN114506042A (en) * | 2020-11-16 | 2022-05-17 | 精工爱普生株式会社 | Management system for injection molding machine |
| CN114506042B (en) * | 2020-11-16 | 2023-09-01 | 精工爱普生株式会社 | Injection molding machine management system |
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