TW201136750A - Fully-electric control system of plastics injection molding machine - Google Patents

Abstract

A fully-electric control system of plastics injection molding machine is disclosed, which integrates modules including PLC (Programmable Logic Controller), HMI (Human Machine Interface), SMC (Soft Motion Control), and GDE (Global Data Exchange). The control system of the present invention comprises a general-purpose industry computer, which integrates PLC, HMI, SMC, software PID process control, and GDE. The control system can monitor a motor, input/output equipment, and a sensor, and also can provide the state of the fully-electric plastics injection to the operator. The advantage of the present invention is to integrate PLC, HMI, and motor position control in a single computer for reducing the delay of data transmission time, exempting the wiring required by the data transmission, reducing the maintenance cost, and simplifying the upgrading procedure of the control system. Furthermore, multiple threads and modular technology are applied in the real-time operating system, so as to enhance the reusability of software.

Description

201136750 VI. Description of the Invention: [Technical Field] The invention relates to an automatic control system for an all-electric plastic (four) forming machine, in particular to a system integrated with a programmable logic controller, a human-machine interface, a soft body Modules such as control, software PID program control and instant data exchange provide an all-electric flap-to-face control system. [Prior Art] At present, most of the plastic injection molding machine controls are written in a combined language and executed as a simplex, which cannot handle multiplex requirements at the same time, is inconvenient to use, and has low reusability of software. The modification requires a lot of manpower and time, making it difficult to develop the control system of the plastic injection molding machine. The more advanced automated control systems for conventional plastic injection machines can include at least two different devices, one is a Programmable Logic Controller (PLC) and the other is a Human Machine Interface (HMI). Among them, the programmable logic controller (PLC) is a digital operation electronic device that can perform logic, sequence, timing, counting and arithmetic operations, and can output programs through digital or analog input modules. Mechanical control action. The human-machine interface _) is the medium for communication and information exchange between the system and the user. The human-machine interface is used to realize the conversion between the internal form of information and the form acceptable to the user. In general, the programmable logic controller transmits control data to a position controller dedicated to a plastic injection machine to achieve machine actuation functions such as mold closing, feeding, metering, injection, pressure holding, mold opening, demoulding, and mold clamping. . 3 China Patent Publication No. 508520 discloses a technology for integrating embedded real-time operating system QNX and Embedded Java object-oriented modularization into plastic injection molding machine control information system, which has the cross-platform and reusability of the Embedded Java programming language. The software modularization and other technologies are integrated with the concept of common integration interface on embedded Real_Time 〇s (QNX). However, the control logic is not based on the architecture of the programmable logic controller (IEC61131_3 PLC). Therefore, the control logic is not edited and re-edited by the user. In the plastic injection molding machine equipment assembly factory, it is not possible for the field engineer to modify it according to different mechanisms, modules or devices of different machines. For example, the encoder of the motor can be absolute type and relative type, and the motion control logic of the two is different. And to achieve effective control logic correction, and the original programming team must re-implant the different control logic in Java language and then implant the plastic injection molding machine control information system according to the needs of the current engineers. The operation procedure is complicated. It is labor-intensive and reduces the assembly efficiency of plastic injection molding equipment. US 2003/082010 A1 discloses a software programmable logic control system for a plastic molding machine, as shown in Fig. 8, which includes a general-purpose personal computer screen 40, a general-purpose personal computer host 4, and a high-speed data transmission network. And the input/output device 43 (including the special motion controller) for the plastic molding machine. " Among them, the 'general-purpose personal computer host 41 integrates a programmable logic controller (PLC) and human-machine interface _1), and the plastic molding machine-specific input and output device 43 contains a special motion control weaving and tilt monitoring Analog/digital signals for the output λ/output used in the control of the plastic model 201136750. ,〔use! The personal computer 41 exchanges data with the plastic ST-specific cutting-out device 43 through the high-speed data transmission network & and uses the human-machine to use the current all-electric plastic injection molding process to provide the user with the '. , ,, and provide the user for the purpose of specifying or inputting data.

The information exchanged between the general-purpose Qin computer 41 and the plastic output machine-dedicated W output device 43 includes information for monitoring and controlling the plastic molding machine. The advantage is that the wiring between the _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ The cost and control system upgrade procedure. a Only the general-purpose personal computer and plastic molding machine-specific A/output device have to exchange data with the high-speed data transmission network, so there is still data between the general-purpose personal computer and the plastic-forming machine for the W output device. The transmission time delay is expected to have the wiring required for data transmission between the input A/output devices dedicated to the coffee maker. In addition, the motor equipment installed in the 成型 献 献 直 直 直 直 直 直 直 直 直 直 直 直 直 直 直 直 直 直 直 直 直 直 , , , , , 马达 马达 马达 马达 马达 马达 马达 马达 马达 马达 马达 马达 马达 马达 马达 马达Replacing the output of the plastic molding machine, and rewriting the adjustment of the private logic control, and can not reduce the maintenance costs and simplify the upgrade program. SUMMARY OF THE INVENTION The main purpose of the present invention is to provide an all-electric plastic injection molding machine control system for monitoring motors, power transmission and output devices, and sensors, and providing full operation to operators. The state of the electric plastic injection, and the modules such as the programmable controller, the human-machine Yang, the software, and the instant data exchange are integrated into a single computer to reduce the data transmission time delay and eliminate the wiring required for data transmission. , reduce maintenance costs, and simplify the upgrade program of the control system, a use of multi-threading and modular technology on the real-time operating system to enhance software &reuse; reuse. In order to achieve the above object, the present invention provides an all-electric flap injection molding machine control system 'connected to an all-electric nano-field surface having a lobed mosquito unit and a plastic injection clamping unit, comprising: - a universal The utility computer operation panel has a display screen and a plurality of buttons on the operation panel. The display county provides an all-electric return injection molding process state as a reference for the user, and the plurality of buttons provide the user as a designation or data. The purpose of the input; and - the general-purpose industrial computer domain, the computer main frequency unit is integrated with an instant data exchange module, a programmable logic control (four) module, a human-machine interface module. And the software motion control module and a software PID program control group, the computer domain wire is used as a surface connection, and the computer main lying (10) board is provided with a plurality of electrical appliances, and the (four) connector is connected to at least the whole electricity. One type of plastic injection molding machine, an output shaft motor driver, a metering shaft motor driver, a mold release shaft motor, a mold clamping shaft motor driver, and a signal of the plurality of input electrical connectors (4) converting the data exchange module into digital data and saving' and the instant data exchange module also periodically converts the output data into a signal transmission to the output electrical connector; the human interface module periodically and instantaneously exchanges the data module Some of the information is displayed on the screen's and the data of the user's input is transmitted to the instant data. From time to time, the program can be used to generate new information based on the information of the instant dragons. The data is then transmitted to the real-time data exchange module. The software motion control module is based on the data of the real-time data exchange module. After the conversion, new data is generated and then transmitted to the instant capital. The exchange module; by the above-described control system, up to Bineng for plastic injection molding machine's control. In a preferred embodiment, the display screen is configured as a touch display screen; and the plurality of buttons are divided into a general button area and a function button area, and the general button area has a numeric keypad, a text keyboard, and a general input function button. The function button area has a machine switch, an emergency button and a screen protection button; in addition, the general-purpose industrial computer host adopts one of the operating software of Windows XP Embedded and RTX, and the electrical connector is further connected to a plastic located in the above A shooting shaft motor of the injection device unit and a mold adjustment shaft motor located in the plastic injection and clamping unit. The invention has the advantages that the control system of the all-electric plastic injection molding machine is mainly applied to the control system of the all-electric plastic injection machine industry, and provides the integration of a modular software engineering of the all-electric plastic injection molding machine. The system solution technology, which uses multi-thread and modular technology on the real-time operating system, can improve the power of the all-electric plastic injection molding machine, reduce the data transmission time delay, and eliminate the wiring required for data transmission. Reduce maintenance costs and simplify the upgrade process. 201136750 [Embodiment] For the purpose of facilitating further progress, the deeper-layered and detailed understanding and understanding of the structure, use and features of the present invention, the embodiment of the silk peak, the detailed description of the figure is as follows: τ-π π Earth electric plastic injection molding machine mainly includes: one Na injection molding machine controller 10, - plastic shot

The device unit 20 and the plastic injection and clamping unit 3〇, wherein the plastic material is placed by the plastic riding mosquito unit 2G, and the heating, spiral scrambling, injection and metering are performed in the mosquito-returning mosquito unit; The unit % has a plastic injection mold, and the plastic injection mold receives the plastic material of the plastic injection device module 2 to emit the stunned state by the cavity between the upper and lower molds; and the nano-radiation type machine control (4) The supervisor monitors the operation status of the plastic injection device unit 2G and the mixing and cooling device, the motor drive and the sensing device. Please refer to the 2 ® shown mosquito unit and the returning mold

The above-mentioned plastic injection device unit 20 is provided with an injection shaft motor 21 and a metering shaft motor 22, wherein the injection shaft motor 21 performs pressure control to achieve the effect of the control, and the metering shaft motor U performs speed control. The number of rotations of the injection rod is varied depending on the position of the injection screw (not shown). μ The above-mentioned plastic injection and clamping unit 3G is provided with a female motor 31 and a shaft motor 32', wherein the demolding motor 31 performs speed or position control, and the top pin 33 of the top can be used to mold the finished product from the mold. The middle part is detached, and the mode-locking 32 can be controlled by the force. By means of Wei Na resin, the plastic „4 and the plastic can be injected between the movable molds 35. Please refer to the 3® electric motor of the full-automatic type. The soft ship controls the scales, and the whole is converted into females in order: - closed mold program, - injection program, - pressure holding program, - metering program, a mold opening program, and a mold release program. In the injection program, the shot After the shaft motor 21 is made and reaches the position of the injection screw (not shown) designated by the user, it is switched to the pressure control 'Ten line to do the possible shrinkage of the red and cold, and the finished product thickness reaches the required precision. Requirement, the metering program is started after the pressure keeping procedure is completed. In the impulse program + 'The shooting gorge ^ _ (four) continued to perform pressure control to achieve back pressure control function 'and _ metering shaft motor 22 driver execution speed (four), borrowing _ rod (The shed shows the change of the shot snail The number of rotations of the rod, under the ship - read - custom Na Na resin for refining. In the injection, each of the rotating towel, the silk motor 32 driver control the impact force, to avoid the plastic resin from the plastic injection mold 34 and the lion can Wrapped in the 35th money, in the state of molding, it is necessary to be able to withstand the force of the strong mold produced by the resin in the process of reading, health and metering, and to find the touch, the plastic injection mold 34 and the plastic injection movable mold 35 The resin is cooled, and then the mold opening process is carried out. In the mold opening process, the speed control is performed by the Qingchi rider, and the mold release procedure is executed after the mold opening procedure. The wire performs speed or position control, and the purpose is to control the thimble of the mechanism by the ejector mechanism. The finished product is separated from the mold. Therefore, the control of the lion-free style is very important for the style of the mold. And the paste topping mechanism can be cut inside the mold (not shown). When the mold is closed, the operation lock is called after the program, and the speed of the shaft motor 32_ii_ Jing segment is executed first in the mold clamping program. And only for users疋 塑胶 塑胶 塑胶 塑胶 塑胶 塑胶 塑胶 塑胶 塑胶 塑胶 塑胶 塑胶 塑胶 塑胶 塑胶 塑胶 塑胶 塑胶 塑胶 塑胶 塑胶 塑胶 塑胶 塑胶 塑胶 塑胶 塑胶 塑胶 塑胶 塑胶 塑胶 塑胶 塑胶 塑胶 塑胶 塑胶 塑胶 塑胶 塑胶 塑胶 塑胶 塑胶 塑胶 塑胶 塑胶 塑胶 塑胶 塑胶 塑胶 塑胶 塑胶 塑胶 塑胶 塑胶 塑胶 塑胶The leakage between the fixed mold 34 and the plastic injection movable mold 35. Referring to FIG. 4, the control system of the all-electric plastic injection molding machine of the present invention has a general-purpose industrial computer operation panel, which is provided on the operation panel η. - Display screen, general button area and - function button area. The above display screen shows the process status of the all-electric plastic injection molding machine to provide the user as a reference, and this display screen is usually a touch type display screen ( Touch panel screen), the touch display screen can provide users to zoom in and out, and can be used as the data area for selection, designation or selection. The above-mentioned general button area and function button area are provided for the user to input or designate or select data for the all-electric plastic injection molding machine, and the button is usually a film type keyboard. Among them, the general button area has a numeric keypad, a text keyboard or a general input function key (delete, page change key and direction key, etc.) and the function button area has: a machine switch, an emergency button or a screen protection button, which can usually also include all The button of the electric plastic injection molding machine works, and the user activates or changes the control setting through the button of the membrane type keyboard. Referring to FIG. 5, the control system of the all-electric plastic injection molding machine of the present invention is installed in a general-purpose industrial computer host 12, and the general-purpose industrial computer host 12 can execute one of WINCE, Wind_XP Embedded and RTX. Job software. The control system of the host computer 12 integrates an instant data exchange module 120 (Global Data Exchange; GDE), a programmable logic controller module 121 (Pr〇grammable Logic Control; PLC), and a human-machine interface module 122 ( Human Macbine Interface; HM), a software motion control module 123 (Soft Motion Control; SMC) and a software pid program control loose group 124 ', wherein the programmable logic controller module 121 is combined with the ffiC 61131-3 PLC . The control system of the above-mentioned electric service main body 12 is connected with the operation panel 11 of the aforementioned general-purpose industrial computer by a bus bar (BUS) or a flexible circuit board (FPC) or a specific electrical connector (LVDS). There are a plurality of electrical connectors for outputting and outputting; the plurality of electrical connections || are connected to at least the output shaft motor 21 of the all-electric return injection molding machine, the drive H, the metering shaft motor 22 driver, the mold release shaft motor 31 driver, and the mode-locking Shaft motor 32 drive. In a preferred embodiment, the electrical connections may be separately connected to a temperature sensor 23 and a pressure sensor 24. The general-purpose industrial computer host 12 has a plurality of input electrical connectors on the outlet board of the antenna, and the switch is stored and saved in the instant of the data exchange module 12G. The data is transferred to 201136750 and the signal is transmitted to the wheel-out connector. The logically controllable module (2) is periodically transmitted to the real-time data exchange module 120 according to the data of the real-time data exchange module 120 after being logically converted. The human interface module 122 periodically displays the data of the partial instant data exchange module 120 on the operation panel, and transmits the data input by the user to the instant data exchange module 12 from time to time. * The software motion control module 123 according to the data of the (4) data exchange module 120 generates a new (four) after the conversion to the instant data exchange module 120 » 'see Figure 6 and Figure 7 In the preferred embodiment, the above-described nano injection device unit 2G additionally has a wire motor 25, and the upper glue ejection unit 30 has a further shaft motor 36, and the rest are the same as in the previous embodiment. Wherein, during the entire manufacturing process, the shooting shaft motor 移动 moves the entire injection unit backward after the injection and the measurement are completed, so that the nozzle of the single nozzle is separated from the rinsing σ during the cooling, so that the temperature of the nozzle is affected. The influence of the mold temperature is reduced, and at the beginning of the new cycle, after the mold clamping is completed, the entire injection unit is moved forward to make the nozzle of the injection unit have no washing nozzle. ', and control the mouth of the mouth to make sure that the shot can be properly injected into the cavity without leaking from the nozzle and the mold. In the whole process of making brewed towels, it is possible to add a mold shaft motor 36 and a clothes drive, and the above-mentioned mold adjustment shaft 12 201136750 motor% is used to change the mold to assist the user to use the mold. The mold thickness = 'wrong to feedback the mold shaft motor 36 and the encoder and make an automatic mold thickness adjustment. The all-electric type of the invention is formed into a method of controlling the _ _ multi-thread, controlling the motor material of the all-electric field, the data is more queen, and the temperature control network communication can be fast to the outside world. The reaction.

With the above control system, the control system of the present invention can obtain the following effects: 1. Reduce the time delay caused by the heterogeneous transmission of the human-machine interface and the logic (4). 2. Reduce the time delay caused by programmable logic control and track launch. Chad 3. Exempt the wiring required for the transmission of the old scales.

Eliminates the wiring required for data transfer between the programmable logic controller and the motor position controller. 5. Reduce the maintenance cost of the all-electric Na Na injection molding machine control relay. 6. Simplify the upgrade procedure of the all-electric plastic lens type machine control system, and use multi-thread and modular technology to create on the real-time operating system to enhance the reusability of the software and reduce the development difficulty of the software. Improve the integration of software information. In summary, the control system of the all-electric plastic injection molding machine of the present invention integrates a programmable logic controller, a human-machine interface, and a motor position control in a single electric vehicle to reduce the data transmission time delay. Eliminate the wiring required for data transfer, reduce maintenance costs, and simplify the upgrade process. The above embodiments are intended to be illustrative only and not restrictive of the invention, and the various modifications and modifications of the scope of the invention and the description of the inventions It is included in the scope of the following patent application. BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a schematic view of a plastic injection molding machine of the present invention;

2 is a schematic view showing a first preferred embodiment of the all-electric Na(4) forming and decomposing mechanism of the present invention; FIG. 3 is a schematic diagram of a software distribution sequence of the electric motor of the present invention, and FIG. 4 is a second drawing. Schematic diagram of the control system of the all-electric Na injection molding machine; Figure 5 is a schematic diagram of the internal software module of the control system of the present invention;

Figure 6 (4) Schematic diagram of the second preferred embodiment of the all-electric (four) surface solution mechanism; Figure 7 is the picture of the control system of the all-electric plastic injection molding machine. Figure 7: Legend: Glue_Control Instrument, figure. 10 plastic injection molding machine controller 11 ------ operation panel 12...--computer host 14 201136750 120- ...- instant data exchange module 121--programmable logic controller module 122--human machine interface Module 123... a software motion control module 124 - software PID program control module 20 ... plastic injection device unit 21 - injection shaft motor 22 - metering shaft motor - 23 - temperature sensor 24 - pressure Sensor 25------ Shooting shaft motor 30... Plastic injection clamping unit 31... Stripping shaft motor 32... Clamping shaft motor 33... Thimble I 34... Fixed mold 35... Movable mold 36——Molding axis motor 40—general-type personal computer screen 41—general-type personal computer host 42... high-speed data transmission network 43... input/output device for plastic molding machine 15

Claims (1)

201136750 VII. Patent application scope: 1. An all-electric plastic injection molding machine control system is connected to an all-electric plastic injection molding machine with a rotating (four) unit and a plastic riding and clamping unit. The above control system includes: The above-mentioned operation panel is provided with a display screen and a plurality of buttons, and the above display screen provides the process status as a reference for the user, and the above-mentioned refueling button provides the user as the _ designation and data input. And a general-purpose industrial computer host, wherein the computer host is connected to the operation and the board, and the electrical outlet of the electric host has a plurality of input/output electrical connectors, and the plurality of electrical connectors are connected at least An injection shaft motor driver, a metering shaft motor driver, a mold shaft motor driver and a mold clamping shaft motor driver of the electric plastic injection molding machine, and an instant data exchange module and a programmable logic controller module are integrated in the computer host. A human-machine interface module, a software motion control module, and a software PID program control The signal of the plurality of input electrical connectors is periodically converted into digital data and saved by the instant data exchange module, and the instant data exchange module also periodically converts the output data into signals for transmission to the output electrical connection. The human-machine interface module periodically displays part of the data of the instant data exchange module on the screen, and irregularly transfers the data input by the user to the real-time data exchange module; the programmable logic controller module According to the information of the real-time 16 201136750 material exchange module, the new data is converted to the real-time data exchange module after the logic conversion; the software motion control module is converted according to the material of the instant data exchange module. New data is generated and then transferred to the instant data exchange module. 2. If you apply for a special (four)! The all-electric (4) molding machine control system of the item "where" the above display screen is set as a touch type display. 3. The all-electric _injection molding machine control system described in the scope of the patent application, washing the plurality of buttons is divided into a general button area and a function button area. 4. If you apply for the full-scale (4) molding machine control system in the third section, the above general button area has a numeric keypad, a text keyboard and a general input function key, and the above function button area has a machine switch, an emergency Button and screen protection buttons. 5. For example, the application of the patent scope is the all-electric _ injection molding machine control system, wherein the general-purpose industrial computer host executes one of the operating software of wince, Windows XPEmbedded and RTX. 6. If the application of the all-electric Na-type φ molding machine control system described in Item 1 of the “Tai Nawei” is applied, the above-mentioned electrical connector is further connected to the temperature sensor. 7. The all-electric plastic injection molding machine control system of claim 1, wherein the electrical connector is further connected to a pressure sensor. 8. The method of claim 1, wherein the electrical connector is further connected to a shooter shaft motor located in the plastic injection device unit and one of the above Plastic injection mold shaft clamping motor. 18