CN210257151U - Multi-injection molding machine linkage injection molding precision control system - Google Patents
Multi-injection molding machine linkage injection molding precision control system Download PDFInfo
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- CN210257151U CN210257151U CN201920261803.0U CN201920261803U CN210257151U CN 210257151 U CN210257151 U CN 210257151U CN 201920261803 U CN201920261803 U CN 201920261803U CN 210257151 U CN210257151 U CN 210257151U
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Abstract
The utility model provides a many injection molding machines linkage injection moulding precision control system, its characterized in that: including controller, a plurality of injection molding machine modules, the mould that opens and shuts pushes out device, alarm module and host computer, the controller with respectively with each injection molding machine module, the mould that opens and shuts pushes out device, alarm module and host computer electrical connection, information acquisition module, execution control module all with injection molding machine module one-to-one has data transmission and treatment efficiency fast, controls accurate advantage, the utility model discloses a multiple injection molding machine carries out joint control to reach the purpose of the monochromatic, bicolor, polychrome injection moulding, can realize even that injection moulding boundary is clear colour effect, gradual change colour effect or intermediate layer look effect, control accuracy is high, stability is good, has higher reproducibility, can ensure the fashioned uniformity of product.
Description
Technical Field
The utility model belongs to the technical field of the injection molding machine technique and specifically relates to a many injection molding machine linkage precision control system that moulds plastics.
Background
With the continuous development of injection molding technology, plastic products are also continuously developed towards the direction of precision, diversification, light weight and diversification, especially, the application of the double-color injection molding technology in the field of injection molding machines is more and more extensive, clear double-color products, mixed double-color products, gradient color products and the like with clear limits appear, based on the double-color injection molding technology, multi-color plastic products or sandwich plastic products gradually emerge, because the product consists of two or more than two materials, the product corresponds to two or more than two injection molding machines, in order to obtain the required injection molding product, in the injection molding process, the time of the changing action of each injection molding machine and parameters in the aspects of pressure, temperature, displacement and the like in the action process must be strictly controlled, so that the proportion and the distribution consistency of each material in the injection molded multicolor product can be ensured, and the required plastic product can be obtained.
SUMMERY OF THE UTILITY MODEL
The utility model provides a not enough to prior art, the utility model provides a many injection molding machines linkage injection moulding precision control system and control method thereof adopts PLC control technology to carry out joint control to many injection molding machines to reach the purpose of the monochromatic, double-colored, polychrome injection moulding product of shaping, can realize the well-defined colour effect of injection moulding product even, gradual change look effect or intermediate layer look effect, control accuracy is high, stability is good, has higher reproducibility, can ensure product molding's uniformity.
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:
the utility model provides a many injection molding machines linkage injection moulding precision control system, includes controller, a plurality of injection molding machine modules, mould ejector means that opens and shuts, alarm module and host computer, the controller with respectively with each injection molding machine module, mould ejector means, alarm module and host computer electricity connection that opens and shuts, the controller includes information acquisition module, control information module, data processing module and execution control module, information acquisition module is connected with the detecting element that injection molding machine module corresponds, control information module and host computer connection, data processing module is connected with information acquisition module, control information module and execution control module respectively, execution control module is connected with the executing element that injection molding machine module corresponds.
The data processing module is provided with a simulation design unit which can generate an injection molding finished product image according to control information simulation, and the simulation design unit is connected with the display through the data transmission module.
The information acquisition modules correspond to the injection molding machine modules one to one.
The execution control modules correspond to the injection molding machine modules one to one.
The controller also comprises a data storage module which is connected with the data processing module and has data storage and export functions.
The data processing module is provided with a timing unit.
The detection element includes a first pressure sensor, a second pressure sensor, a displacement sensor, a temperature sensor, and a flow sensor.
The actuating element comprises a metering pump, a mold locking driving mechanism, an injection platform driving mechanism and a glue melting motor.
The utility model has the advantages that:
1. the utility model discloses a PLC controller controls many injection molding machine modules as the core control component, and the method that adopts closed-loop control realizes feedback and control to the oil pump oil-out pressure of injection molding machine module, speed, injection volume, the temperature of moulding plastics, plastify volume, plastify density etc. has reached precision control's purpose, and the reliability is high.
2. Adopt the modular processing mode, through setting up the information acquisition module with injection molding machine module one-to-one, unify each injection molding machine module and integrate into a complete data package after conveying to data processing module again, divide through the modular data and can effectively improve the speed of data transmission and processing, the mistake that simultaneously can also effectively avoid data to scurry the position and lead to, the accuracy and the reliability of improvement control, and the same way, come to control the execution unit that the injection molding machine module corresponds through carrying out control module one by one with the injection molding machine module, not only high efficiency but also accurate.
3. The control system can select the corresponding injection molding machine module to carry out the injection molding process according to specific requirements, and can produce single-color injection molding products, double-color injection molding products, multi-color injection molding products, gradient-color injection molding products and sandwich colored injection molding products.
Drawings
Figure 1 is a schematic structural view of the present invention,
figure 2 is a control flow chart of the present invention,
the system comprises an upper computer 1, a control information module 2, an information acquisition module 3, a data processing module 4, a data storage module 5, an execution control module 6, an injection molding machine module 7, a mold opening and closing ejection device 8 and an alarm module 9.
Detailed Description
The following description of the embodiments of the present invention will be made with reference to the accompanying drawings:
as shown in fig. 1:
a multi-injection molding machine linkage injection molding precision control system comprises a controller, n injection molding machine modules 7 (wherein n is more than or equal to 1), an open-close mold ejection device 8, an alarm module 9 and an upper computer, wherein the controller is electrically connected with the n injection molding machine modules 7, the open-close mold ejection device 8, the alarm module 9 and the upper computer respectively;
the controller comprises an information acquisition module 3, a control information module 2, a data processing module 4 and an execution control module 6;
the data processing module 4 is respectively connected with the information acquisition module 3, the control information module 2 and the execution control module 6, and the data processing module 4 comprises an A/D converter, a signal amplifier and a filter and is used for carrying out amplification operation processing and feedback on signals such as a detection signal, a control signal, a feedback signal and the like;
the control information module 2 is connected with an upper computer and is used for transmitting a control signal of the upper computer;
the information acquisition module 3 and the execution control module 6 are correspondingly connected with the injection molding machine module 7 one by one, and the information acquisition module is connected with a detection element corresponding to the injection molding machine module 7 and is used for acquiring data detected by each detector in the injection molding machine module 7; the execution control module 6 is connected with the corresponding execution element of the injection molding machine module 7 and is used for controlling the action of the corresponding execution element;
the detection element comprises a first pressure sensor for detecting the pressure of an oil outlet of the oil pump, a second pressure sensor for detecting the oil return back pressure of the screw, a displacement sensor for detecting the displacement distance of the screw, a temperature sensor for detecting the temperature of injection molding resin and a flow sensor for detecting the injection molding flow;
the actuating element comprises a metering pump, an injection platform driving mechanism and a glue melting motor.
The data processing module 4 further comprises a simulation design unit which simulates and generates injection molding finished product image data according to the control information transmitted by the control information module 2 and displays the injection molding finished product image data on a display of the upper computer through the data transmission module.
The controller also comprises a data storage module which is connected with the data processing module 4, and the data storage module 5 is connected with an upper computer through a data transmission module and can realize the storage and the export of data.
The data processing module 4 is provided with a timing unit, the timing unit is used for determining the injection molding time of each injection molding machine module 7, the data processing module 4 can determine the speed of the screw according to the injection molding time and the displacement of the screw, and meanwhile, the starting node of the actuating element is accurately determined according to the timing unit.
As shown in fig. 2, a control method using the multi-injection molding machine linkage injection molding precision control system includes the following steps:
(1) and (3) selecting an injection molding machine module 7: a user selects the corresponding injection molding machine module 7 to be controlled through the upper computer, and for the unselected injection molding machine modules 7, the data processing module 4 closes and controls the corresponding information acquisition module 3 and the execution control module 6;
(2) setting parameters: the user sets the mold opening time and the mold closing time through the upper computer, and sets the starting time point, the plasticizing quantity, the injection flow, the injection pressure, the screw speed, the injection resin temperature and other parameters of each execution unit of the injection molding machine module 7;
(3) simulation design: a simulation design unit in the data processing module 4 simulates and integrates the control information and displays an image of an injection molding finished product;
(4) parameter debugging and confirming: debugging control information by a user according to the image of the injection molding finished product until parameter setting is confirmed;
(5) die assembly: the controller controls the mold opening and closing ejection device 8 to execute mold closing action;
(6) injection molding: controlling an injection molding process in a closed-loop control mode according to confirmed parameters, sending detection information of a detection element of a corresponding injection molding machine module 7 to a data processing module 4 by an information acquisition module 3, amplifying, comparing and calculating the detection information and the control information by the data processing module 4 to obtain corresponding execution control information, starting and stopping the corresponding execution element by an execution control module 6 according to the execution control information, further feeding back detection information change of the detection element caused by action of the execution element to the data processing module 4, and further performing operation processing by the data processing module 4 according to a feedback signal until the injection molding process is completed;
(7) cooling and opening the die: when the temperature is reduced to a specified temperature, the controller controls the mold opening and closing ejection device 8 to perform mold opening;
the alarm module 9 starts to give an alarm and displays the abnormal item on the display for the abnormality detected in the above process.
The utility model adopts a modularized processing mode, and effectively processes and controls huge data needing operation processing after module division and integration by arranging the information acquisition module 3 and the execution control module 6 which are in one-to-one correspondence with the injection molding machine module 7, thereby effectively improving the data processing speed and the control precision; meanwhile, the corresponding injection molding machine module 7 can be selected according to specific requirements for reasonable debugging and control, the unselected injection molding machine modules 7, the information acquisition module 3 and the execution control module 6 are closed and controlled in the process, data information in the process is controlled in a targeted and precise manner, interference is reduced, and the data transmission rate and the control precision are improved; in addition, the utility model is provided with a simulation design unit which can simulate and integrate according to the input control information to obtain the preset image of the injection molding finished product, so that the debugging of the technological parameters is convenient and intuitive and clear; through the selection of the corresponding injection molding machine module 7 and the control of injection molding parameters, the pressure control, the speed control, the temperature control, the flow control, the control of the plasticizing quantity and the plasticizing density, and the control of the injection molding point and the injection molding quantity in the linkage injection molding process of the multiple injection molding machines are realized, and single-color injection molding products, double-color injection molding products, multi-color injection molding products, gradient-color injection molding products and sandwich-colored injection molding products can be produced, so that the method is suitable for different requirements of the market.
The foregoing embodiments and description have been provided to illustrate the principles and preferred embodiments of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed.
Claims (7)
1. The utility model provides a many injection molding machines linkage precision control system that moulds plastics which characterized in that: the injection molding machine comprises a controller, a plurality of injection molding machine modules, a mold opening and closing ejection device, an alarm module and an upper computer, wherein the controller is electrically connected with each injection molding machine module, the mold opening and closing ejection device, the alarm module and the upper computer respectively, the controller comprises an information acquisition module, a control information module, a data processing module and an execution control module, the information acquisition module is connected with a detection element corresponding to the injection molding machine modules, the control information module is connected with the upper computer, the data processing module is connected with the information acquisition module, the control information module and the execution control module respectively, and the execution control module is connected with an execution element corresponding to the injection molding machine modules.
2. The multi-injection molding machine linked injection molding precision control system according to claim 1, characterized in that: the data processing module is provided with a simulation design unit which can generate an injection molding finished product image according to control information simulation, and the simulation design unit is connected with the display through the data transmission module.
3. The multi-injection molding machine linked injection molding precision control system according to claim 2, characterized in that: the information acquisition module and the execution control module are in one-to-one correspondence with the injection molding machine modules.
4. The multi-injection molding machine linked injection molding precision control system according to claim 3, characterized in that: the controller also comprises a data storage module which is connected with the data processing module and has data storage and export functions.
5. The multi-injection molding machine linked injection molding precision control system according to claim 3, characterized in that: the data processing module is provided with a timing unit.
6. The linked injection precision control system of multiple injection molding machines according to any one of claims 1 to 5, characterized in that: the detection element includes a first pressure sensor, a second pressure sensor, a displacement sensor, a temperature sensor, and a flow sensor.
7. The linked injection precision control system of multiple injection molding machines according to any one of claims 1 to 5, characterized in that: the actuating element comprises a metering pump, a mold locking driving mechanism, an injection platform driving mechanism and a glue melting motor.
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Cited By (1)
| 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 |
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Cited By (1)
| 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 |
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