CN112721080A - Injection molding process intelligent point inspection method based on image recognition technology and MES - Google Patents
Injection molding process intelligent point inspection method based on image recognition technology and MES Download PDFInfo
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- CN112721080A CN112721080A CN202011597637.5A CN202011597637A CN112721080A CN 112721080 A CN112721080 A CN 112721080A CN 202011597637 A CN202011597637 A CN 202011597637A CN 112721080 A CN112721080 A CN 112721080A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/76—Measuring, controlling or regulating
Abstract
The invention discloses an injection molding process intelligent point inspection method based on an image recognition technology and MES, relates to a process point inspection method, and belongs to the technical field of intelligent point inspection; according to the invention, the injection molding process parameters can be checked by replacing the naked eyes with the image recognition technology, so that the injection molding process parameter checking time of a single injection molding device is shortened to be within 1 minute, the workload of workers is greatly reduced, and meanwhile, the accuracy of the checking result is ensured, and the key is that even old injection molding devices without communication interfaces can realize the quick injection molding process parameter checking through the method; the parameter updating module is used for updating the parameters matched with the injection molding equipment or the injection mold to the information storage module when new injection molding equipment or new injection mold is added, and updating the parameters matched with the aged injection molding equipment or the aged injection mold to the information storage module when the injection molding equipment or the injection mold is aged for a long time.
Description
Technical Field
The invention relates to a process point inspection method, in particular to an injection molding process intelligent point inspection method based on an image recognition technology and MES, and belongs to the technical field of intelligent point inspection.
Background
Injection molding equipment is also known as an injection molding machine or an injection molding machine. It is a main forming equipment for making various shaped plastic products from thermoplastic plastics or thermosetting plastics by using plastic forming mould. The device is divided into a vertical type, a horizontal type and a full-electric type. The injection molding equipment can heat the plastic and apply high pressure to the molten plastic to eject the plastic to fill the mold cavity.
The injection molding process is a process for manufacturing a semi-finished product with a certain shape by pressurizing, injecting, cooling, separating and the like molten raw materials. The injection molding process of the plastic part mainly comprises 6 stages of mold closing, filling, pressure maintaining (gas assistance and water assistance), cooling, mold opening, mold stripping and the like. The debugging process of the injection molding process is a process with weak theory and strong experience, and a standard process range can be determined by an injection molding theoretical process master and then fine-tuned in the standard process range. However, due to the fact that the management level of each factory is different, a craftsman is scarce, the level of a craftsman is different, when the quality of a product is poor and the process needs to be adjusted, the craftsman is absent, the process data finally adjusted by the craftsman possibly exceeds the standard process range of the product, and after the product is placed for a period of time, problems such as the size of the product is poor due to internal stress release and the like, and batch-type defective products occur. Therefore, the injection molding process point inspection is carried out in factories producing precise rubber and plastic products to ensure that the injection molding process parameters do not exceed the standard process range.
The injection molding process point inspection is an injection molding production process management method which inspects process parameters specified by injection molding equipment according to a certain standard and a certain period so as to find process abnormity and correct the process abnormity in time, so that the process parameters of the injection molding equipment can be kept in the standard range and the stable product quality is ensured.
The current injection moulding technology point is examined through the people, and an injection moulding equipment has about 80 process parameters and needs to examine when the point is examined, and the point of an equipment is examined time about 10 minutes, and a small-size injection moulding workshop usually has 20 injection moulding equipment, accomplishes once then that the whole workshop injection moulding technology point is examined and needs about 200 minutes, consumes human cost and time cost very much.
In order to solve the above technical problems, the present invention provides the following technical solutions.
Disclosure of Invention
The invention aims to provide an intelligent injection molding process point inspection method based on an image recognition technology and MES (manufacturing execution system). The injection molding process parameters can be point inspected by the image recognition technology instead of human eyes, so that the point inspection time of the injection molding process parameters of a single injection molding device is shortened to be within 1 minute, the workload of workers is greatly reduced, the accuracy of a point inspection result is ensured, and the key is that the rapid injection molding process parameter point inspection can be realized by old injection molding devices without communication interfaces.
The purpose of the invention can be realized by the following technical scheme:
an injection molding process intelligent point inspection method based on an image recognition technology and MES comprises the following steps:
the method comprises the following steps: the intelligent point inspection control module selects injection molding equipment needing point inspection and products produced by the injection molding equipment in the MES system;
step two: the MES system calls out the parameter range stored in the information storage module through the confirmed selection;
step three: acquiring an image from a process parameter page of the injection molding equipment through an image acquisition module and transmitting the acquired image to an MES system through an image transmission module;
step four: extracting the process parameters in the process parameter page by the MES through the image recognition module;
step five: the MES system compares the extracted process parameter list with the parameter range stored in the information storage module;
step six: if the extracted process parameter list exceeds the parameter range, the MES system sends an alarm instruction to the parameter alarm module, stores the extracted process parameter list in the information storage module, and sends a process parameter adjusting instruction to the parameter adjusting module, and the parameter adjusting module adjusts the process parameters;
step seven: after the technological parameters are adjusted, the third step is repeatedly executed;
step eight: if the extracted process parameters are in the parameter range, sending a point inspection qualified instruction to the intelligent point inspection control module, and storing the adjusted process parameters in the information storage module.
Preferably, the intelligent point inspection control module is used for controlling the injection molding equipment and products produced by the injection molding equipment, and the specific control method is as follows:
acquiring all injection molding equipment in a factory area, numbering the injection molding equipment, and marking the injection molding equipment as i, i =1, …, n; the injection molding equipment is provided with a positioning module; the positioning module is directly connected with the intelligent point inspection control module;
acquiring all injection molds in a factory area, numbering the injection molds, and marking the injection molds as j, j =1, …, m; the injection molds correspond to the injection products one by one; the injection mold is provided with a positioning module; the positioning module is directly connected with the intelligent point inspection control module;
sending the number of the injection molding equipment and the number of the injection mold to an intelligent point inspection control module, setting a Cij parameter range table by the intelligent point inspection control module, wherein the Cij parameter range table represents a process parameter range adopted when the injection molding equipment with the number i uses the injection mold with the number j to produce injection molding products; the intelligent point inspection control module sends the Cij parameter range table to the information storage module for storage;
the positioning module sends the position information of the injection molding equipment and the position information of the injection mold to the intelligent point inspection control module, when the position information of the injection molding equipment i is overlapped with the position information of the injection mold j, the injection molding equipment i is started, and the injection molding equipment with the number i uses the injection mold with the number j to produce the injection molding product.
Preferably, the image acquisition module is in communication connection with the MES system through the image transmission module, and is used for acquiring an image acquisition instruction of the intelligent point inspection control module, and acquiring an image of a process parameter page of the injection molding equipment and transmitting the acquired image to the MES system through the image transmission module; the image acquisition module is specifically a camera device installed on the injection molding equipment body, a lens of the camera device is aligned to a technological parameter page of the injection molding equipment, when the injection molding equipment is started, the intelligent point inspection control module sends an image acquisition instruction to the image acquisition module, the image acquisition module acquires an image of the technological parameter page of the injection molding equipment and sends the acquired technological parameter page to the MES system through the image transmission module.
Preferably, the image recognition module is configured to extract the process parameters in the process parameter page, and the process parameters are extracted by the image recognition module in the following manner:
acquiring a process parameter page in an MES system, and identifying a die opening position, a die opening pressure, a die opening speed, a die closing position, a die closing pressure, a die closing speed, a pressure maintaining position, a pressure maintaining pressure, a pressure maintaining speed, a pressure maintaining time, a glue injection position, a glue injection pressure, a glue injection speed, a glue injection time, a feeding position, a feeding pressure, a feeding speed, a thimble position, a thimble pressure and a thimble speed of the process parameter page by using a character recognition technology, and acquiring corresponding numerical values of the die opening position, the die opening pressure, the die opening speed, the die closing position, the die closing pressure, the die closing speed, the pressure maintaining position, the pressure maintaining pressure, the pressure maintaining speed, the pressure maintaining time, the glue injection position, the glue injection pressure, the glue injection speed, the glue injection time, the feeding position, the feeding pressure, the thimble position, the thimble pressure and the thimble; generating a process parameter list;
and the image identification module sends the generated process parameter list to the MES system.
Preferably, the MES system compares the technological parameter list that will extract with Cij parameter range table, if the technological parameter list that extracts surpasss the parameter range then the MES system sends alarm command to parameter alarm module, parameter alarm module is used for reporting to the police the unusual parameter of parameter and indicates, specifically is call indicator and unusual display device, unusual display device is arranged in the parameter that surpasss the parameter range in the demonstration technological parameter list, and the MES system sends technological parameter adjustment command parameter adjustment module simultaneously, parameter adjustment module includes registration unit and feedback unit, the registration unit is used for the master of technology to carry out the input personal information and registers, the feedback unit is used for the operating personnel to feed back the parameter after the master of technology adjusts, and the personal information that the master of technology input includes name, skill level and contact mode, and sending the registered personal information to an information storage module for storage, contacting a master craftsman through a contact way stored by the master craftsman and starting timing after the parameter adjusting module receives a process parameter adjusting instruction sent by the MES system, stopping timing when an operator feeds back the adjusting completion instruction through a feedback unit, and sending the timing duration to the information storage module for storage.
Preferably, before the operator feeds back the adjustment completion instruction through the feedback unit, the method further comprises a parameter calibration step, wherein the parameter calibration step comprises the following steps:
acquiring an image from a process parameter page of the injection molding equipment through an image acquisition module and transmitting the acquired image to an MES system through an image transmission module;
extracting the process parameters in the process parameter page by the MES through the image recognition module;
the MES system compares the extracted process parameter list with the parameter range stored in the information storage module;
if the extracted process parameter list is in the parameter range stored in the information storage module, the parameter adjustment is finished, an operator feeds back an adjustment finishing instruction through the feedback unit, the timing is stopped, and the timing duration is sent to the information storage module for storage.
Preferably, the injection molding device further comprises a parameter updating module, wherein the parameter updating module is used for updating the parameters matched with the injection molding device or the injection mold to the information storage module when a new injection molding device or an injection mold is added, and updating the parameters matched with the aged injection molding device or the injection mold to the information storage module when the injection molding device or the injection mold is aged for a long time.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention can replace the manual naked eyes to carry out point inspection on the injection molding process parameters by the image recognition technology, shortens the point inspection time of the injection molding process parameters of a single injection molding device to be within 1 minute, greatly lightens the workload of workers, ensures the accuracy of the point inspection result, and has the key that even old injection molding devices without communication interfaces can realize the point inspection of the injection molding process parameters rapidly by the method.
2. The invention is provided with a parameter updating module, wherein the parameter updating module is used for updating the parameters matched with the injection molding equipment or the injection mold to the information storage module when new injection molding equipment or injection mold is added, and updating the parameters matched with the aged injection molding equipment or injection mold to the information storage module when the injection molding equipment or injection mold is aged for a long time.
3. The invention adopts the positioning module, automatically judges the injection molding product produced by the injection molding equipment by the mode of matching the positioning module with the intelligent point inspection control module, autonomously calls the process parameters and reduces the errors of personnel statistics. Acquiring all injection molding equipment in a factory area, numbering the injection molding equipment, and marking the injection molding equipment as i, i =1, …, n; the injection molding equipment is provided with a positioning module; the positioning module is directly connected with the intelligent point inspection control module; acquiring all injection molds in a factory area, numbering the injection molds, and marking the injection molds as j, j =1, …, m; the injection molds correspond to the injection products one by one; the injection mold is provided with a positioning module; the positioning module is directly connected with the intelligent point inspection control module; sending the number of the injection molding equipment and the number of the injection mold to an intelligent point inspection control module, setting a Cij parameter range table by the intelligent point inspection control module, wherein the Cij parameter range table represents a process parameter range adopted when the injection molding equipment with the number i uses the injection mold with the number j to produce injection molding products; the intelligent point inspection control module sends the Cij parameter range table to the information storage module for storage; the positioning module sends the position information of the injection molding equipment and the position information of the injection mold to the intelligent point inspection control module, when the position information of the injection molding equipment i is overlapped with the position information of the injection mold j, the injection molding equipment i is started, and the injection molding equipment with the number i uses the injection mold with the number j to produce the injection molding product.
4. The injection molding machine is provided with the feedback unit for directly feeding back the process parameters adjusted by a master craftsman and the running condition of the injection molding equipment, so that the work efficiency of the master craftsman can be detected, the work division can be carried out on operators, and the damage to the injection molding equipment and an injection mold caused by the poor adjustment of the master craftsman can be avoided. A verification link also exists after adjustment, the image acquisition module acquires an image of a process parameter page of the injection molding equipment and transmits the acquired image to the MES system through the image transmission module; extracting the process parameters in the process parameter page by the MES through the image recognition module; the MES system compares the extracted process parameter list with the parameter range stored in the information storage module; if the extracted process parameter list is in the parameter range stored in the information storage module, the parameter adjustment is finished, an operator feeds back an adjustment finishing instruction through the feedback unit, the timing is stopped, and the timing duration is sent to the information storage module for storage.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic block diagram of the present invention.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood 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.
Referring to fig. 1, an intelligent point inspection method for an injection molding process based on an image recognition technology and a MES includes the following steps:
the method comprises the following steps: the intelligent point inspection control module selects injection molding equipment needing point inspection and products produced by the injection molding equipment in the MES system;
step two: the MES system calls out the parameter range stored in the information storage module through the confirmed selection;
step three: acquiring an image from a process parameter page of the injection molding equipment through an image acquisition module and transmitting the acquired image to an MES system through an image transmission module;
step four: extracting the process parameters in the process parameter page by the MES through the image recognition module;
step five: the MES system compares the extracted process parameter list with the parameter range stored in the information storage module;
step six: if the extracted process parameter list exceeds the parameter range, the MES system sends an alarm instruction to the parameter alarm module, stores the extracted process parameter list in the information storage module, and sends a process parameter adjusting instruction to the parameter adjusting module, and the parameter adjusting module adjusts the process parameters;
step seven: after the technological parameters are adjusted, the third step is repeatedly executed;
step eight: if the extracted process parameters are in the parameter range, sending a point inspection qualified instruction to the intelligent point inspection control module, and storing the adjusted process parameters in the information storage module.
The MES system is a production informatization management system facing to a workshop execution layer of a manufacturing enterprise. The MES can provide management modules for enterprises, such as manufacturing data management, planning scheduling management, production scheduling management, inventory management, quality management, human resource management, work center/equipment management, tool and tool management, purchasing management, cost management, project bulletin board management, production process control, bottom layer data integration analysis, upper layer data integration decomposition and the like, and create a solid, reliable, comprehensive and feasible manufacturing cooperative management platform for the enterprises. The injection molding process spot inspection belongs to the content in a manufacturing process control Module (MES).
The intelligent point inspection control module is used for controlling the injection molding equipment and products produced by the injection molding equipment, and the specific control method comprises the following steps:
acquiring all injection molding equipment in a factory area, numbering the injection molding equipment, and marking the injection molding equipment as i, i =1, …, n; the injection molding equipment is provided with a positioning module; the positioning module is directly connected with the intelligent point inspection control module;
acquiring all injection molds in a factory area, numbering the injection molds, and marking the injection molds as j, j =1, …, m; the injection molds correspond to the injection products one by one; the injection mold is provided with a positioning module; the positioning module is directly connected with the intelligent point inspection control module;
sending the number of the injection molding equipment and the number of the injection mold to an intelligent point inspection control module, setting a Cij parameter range table by the intelligent point inspection control module, wherein the Cij parameter range table represents a process parameter range adopted when the injection molding equipment with the number i uses the injection mold with the number j to produce injection molding products; the intelligent point inspection control module sends the Cij parameter range table to the information storage module for storage;
the positioning module sends the position information of the injection molding equipment and the position information of the injection mold to the intelligent point inspection control module, when the position information of the injection molding equipment i is overlapped with the position information of the injection mold j, the injection molding equipment i is started, and the injection molding equipment with the number i uses the injection mold with the number j to produce the injection molding product.
The system comprises an image acquisition module, an MES system, an intelligent point inspection control module, an image transmission module and an intelligent point inspection control module, wherein the image acquisition module is in communication connection with the MES system through the image transmission module and is used for acquiring an image acquisition instruction of the intelligent point inspection control module, and the image acquisition module is used for acquiring an image of a process parameter page of injection molding equipment and transmitting the acquired image to the MES system through the image transmission module; the image acquisition module is specifically a camera device installed on the injection molding equipment body, a lens of the camera device is aligned to a technological parameter page of the injection molding equipment, when the injection molding equipment is started, the intelligent point inspection control module sends an image acquisition instruction to the image acquisition module, the image acquisition module acquires an image of the technological parameter page of the injection molding equipment and sends the acquired technological parameter page to the MES system through the image transmission module.
The image identification module is used for extracting the process parameters in the process parameter page, and the process parameters are extracted by the image identification module in the following mode:
acquiring a process parameter page in an MES system, and identifying a die opening position, a die opening pressure, a die opening speed, a die closing position, a die closing pressure, a die closing speed, a pressure maintaining position, a pressure maintaining pressure, a pressure maintaining speed, a pressure maintaining time, a glue injection position, a glue injection pressure, a glue injection speed, a glue injection time, a feeding position, a feeding pressure, a feeding speed, a thimble position, a thimble pressure and a thimble speed of the process parameter page by using a character recognition technology, and acquiring corresponding numerical values of the die opening position, the die opening pressure, the die opening speed, the die closing position, the die closing pressure, the die closing speed, the pressure maintaining position, the pressure maintaining pressure, the pressure maintaining speed, the pressure maintaining time, the glue injection position, the glue injection pressure, the glue injection speed, the glue injection time, the feeding position, the feeding pressure, the thimble position, the thimble pressure and the thimble; generating a process parameter list;
and the image identification module sends the generated process parameter list to the MES system.
Wherein, the MES system will draw out technological parameter list and Cij parameter range table contrast, if the technological parameter list of drawing out surpasss the parameter range then the MES system sends alarm command to parameter alarm module, parameter alarm module is used for reporting to the police the unusual parameter of parameter and points out, specifically is call indicator and unusual display device, unusual display device is arranged in the parameter that surpasss the parameter range in the display technological parameter list, and the MES system sends technological parameter adjustment command parameter adjustment module simultaneously, parameter adjustment module includes registration unit and feedback unit, the registration unit is used for the master of technology to carry out the input personal information and registers, the feedback unit is used for the operating personnel to feed back the parameter after the master of technology adjusts, and the personal information that the master of technology input includes name, skill level and contact mode, and sending the registered personal information to an information storage module for storage, contacting a master craftsman through a contact way stored by the master craftsman and starting timing after the parameter adjusting module receives a process parameter adjusting instruction sent by the MES system, stopping timing when an operator feeds back the adjusting completion instruction through a feedback unit, and sending the timing duration to the information storage module for storage.
Wherein, before the operator finishes the instruction through feedback adjustment of the feedback unit, still include the parameter calibration link, the parameter calibration link includes the following:
acquiring an image from a process parameter page of the injection molding equipment through an image acquisition module and transmitting the acquired image to an MES system through an image transmission module;
extracting the process parameters in the process parameter page by the MES through the image recognition module;
the MES system compares the extracted process parameter list with the parameter range stored in the information storage module;
if the extracted process parameter list is in the parameter range stored in the information storage module, the parameter adjustment is finished, an operator feeds back an adjustment finishing instruction through the feedback unit, the timing is stopped, and the timing duration is sent to the information storage module for storage.
Preferably, the injection molding device further comprises a parameter updating module, wherein the parameter updating module is used for updating the parameters matched with the injection molding device or the injection mold to the information storage module when a new injection molding device or an injection mold is added, and updating the parameters matched with the aged injection molding device or the injection mold to the information storage module when the injection molding device or the injection mold is aged for a long time.
The working principle of the invention is as follows:
an injection molding process intelligent point inspection method based on an image recognition technology and MES comprises the following steps:
the method comprises the following steps: the intelligent point inspection control module selects injection molding equipment needing point inspection and products produced by the injection molding equipment in the MES system;
step two: the MES system calls out the parameter range stored in the information storage module through the confirmed selection;
step three: acquiring an image from a process parameter page of the injection molding equipment through an image acquisition module and transmitting the acquired image to an MES system through an image transmission module;
step four: extracting the process parameters in the process parameter page by the MES through the image recognition module;
step five: the MES system compares the extracted process parameter list with the parameter range stored in the information storage module;
step six: if the extracted process parameter list exceeds the parameter range, the MES system sends an alarm instruction to the parameter alarm module, stores the extracted process parameter list in the information storage module, and sends a process parameter adjusting instruction to the parameter adjusting module, and the parameter adjusting module adjusts the process parameters;
step seven: after the technological parameters are adjusted, the third step is repeatedly executed;
step eight: if the extracted process parameters are in the parameter range, sending a point inspection qualified instruction to the intelligent point inspection control module, and storing the adjusted process parameters in the information storage module.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise forms disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (7)
1. An injection molding process intelligent point inspection method based on an image recognition technology and MES is characterized by comprising the following steps:
the method comprises the following steps: the intelligent point inspection control module selects injection molding equipment needing point inspection and products produced by the injection molding equipment in the MES system;
step two: the MES system calls out the parameter range stored in the information storage module through the confirmed selection;
step three: acquiring an image from a process parameter page of the injection molding equipment through an image acquisition module and transmitting the acquired image to an MES system through an image transmission module;
step four: extracting the process parameters in the process parameter page by the MES through the image recognition module;
step five: the MES system compares the extracted process parameter list with the parameter range stored in the information storage module;
step six: if the extracted process parameter list exceeds the parameter range, the MES system sends an alarm instruction to the parameter alarm module, stores the extracted process parameter list in the information storage module, and sends a process parameter adjusting instruction to the parameter adjusting module, and the parameter adjusting module adjusts the process parameters;
step seven: after the technological parameters are adjusted, the third step is repeatedly executed;
step eight: if the extracted process parameters are in the parameter range, sending a point inspection qualified instruction to the intelligent point inspection control module, and storing the adjusted process parameters in the information storage module.
2. The intelligent point inspection method for the injection molding process based on the image recognition technology and the MES, as claimed in claim 1, wherein: the intelligent point inspection control module is used for controlling the injection molding equipment and products produced by the injection molding equipment, and the specific control method comprises the following steps:
acquiring all injection molding equipment in a factory area, numbering the injection molding equipment, and marking the injection molding equipment as i, i =1, …, n; the injection molding equipment is provided with a positioning module; the positioning module is directly connected with the intelligent point inspection control module;
acquiring all injection molds in a factory area, numbering the injection molds, and marking the injection molds as j, j =1, …, m; the injection molds correspond to the injection products one by one; the injection mold is provided with a positioning module; the positioning module is directly connected with the intelligent point inspection control module;
sending the number of the injection molding equipment and the number of the injection mold to an intelligent point inspection control module, setting a Cij parameter range table by the intelligent point inspection control module, wherein the Cij parameter range table represents a process parameter range adopted when the injection molding equipment with the number i uses the injection mold with the number j to produce injection molding products; the intelligent point inspection control module sends the Cij parameter range table to the information storage module for storage;
the positioning module sends the position information of the injection molding equipment and the position information of the injection mold to the intelligent point inspection control module, when the position information of the injection molding equipment i is overlapped with the position information of the injection mold j, the injection molding equipment i is started, and the injection molding equipment with the number i uses the injection mold with the number j to produce the injection molding product.
3. The intelligent point inspection method for the injection molding process based on the image recognition technology and the MES, as claimed in claim 1, wherein: the image acquisition module is in communication connection with the MES system through the image transmission module, is used for acquiring an image acquisition instruction of the intelligent point inspection control module, and is used for acquiring an image of a process parameter page of the injection molding equipment and transmitting the acquired image to the MES system through the image transmission module; the image acquisition module is specifically a camera device installed on the injection molding equipment body, a lens of the camera device is aligned to a technological parameter page of the injection molding equipment, when the injection molding equipment is started, the intelligent point inspection control module sends an image acquisition instruction to the image acquisition module, the image acquisition module acquires an image of the technological parameter page of the injection molding equipment and sends the acquired technological parameter page to the MES system through the image transmission module.
4. The intelligent point inspection method for the injection molding process based on the image recognition technology and the MES, as claimed in claim 1, wherein: the image identification module is used for extracting the process parameters in the process parameter page, and the process parameters are extracted by the image identification module in the following mode:
acquiring a process parameter page in an MES system, and identifying a die opening position, a die opening pressure, a die opening speed, a die closing position, a die closing pressure, a die closing speed, a pressure maintaining position, a pressure maintaining pressure, a pressure maintaining speed, a pressure maintaining time, a glue injection position, a glue injection pressure, a glue injection speed, a glue injection time, a feeding position, a feeding pressure, a feeding speed, a thimble position, a thimble pressure and a thimble speed of the process parameter page by using a character recognition technology, and acquiring corresponding numerical values of the die opening position, the die opening pressure, the die opening speed, the die closing position, the die closing pressure, the die closing speed, the pressure maintaining position, the pressure maintaining pressure, the pressure maintaining speed, the pressure maintaining time, the glue injection position, the glue injection pressure, the glue injection speed, the glue injection time, the feeding position, the feeding pressure, the thimble position, the thimble pressure and the thimble; generating a process parameter list;
and the image identification module sends the generated process parameter list to the MES system.
5. The intelligent point inspection method for the injection molding process based on the image recognition technology and the MES, as claimed in claim 1, wherein: MES system will draw out technological parameter list and Cij parameter range table contrast, if the technological parameter list of drawing out surpasss the parameter range then MES system sends alarm command to parameter alarm module, parameter alarm module is used for reporting to the police the suggestion to the unusual parameter of parameter, specifically is call indicator and unusual display device, unusual display device is arranged in the parameter that surpasss the parameter range in the demonstration technological parameter list, and MES system sends technological parameter adjustment command parameter adjustment module simultaneously, parameter adjustment module includes registration unit and feedback unit, registration unit is used for the master of technology to carry out input personal information and registers, feedback unit is used for operating personnel to feed back the parameter after the master of technology adjusts, and the personal information that the master of technology input includes name, skill level and contact mode to the personal information that the completion of registering sends the information storage module to and stores, after the parameter adjusting module receives a technological parameter adjusting instruction sent by the MES system, the parameter adjusting module contacts a master craft through a contact way stored by the master craft and starts timing, and when an operator feeds back an adjusting finishing instruction through the feedback unit, the parameter adjusting module stops timing and sends timing duration to the information storage module for storage.
6. The intelligent point inspection method for the injection molding process based on the image recognition technology and the MES, as claimed in claim 5, wherein: before the operator feeds back the adjustment completion instruction through the feedback unit, the method further comprises a parameter calibration link, wherein the parameter calibration link comprises the following steps:
acquiring an image from a process parameter page of the injection molding equipment through an image acquisition module and transmitting the acquired image to an MES system through an image transmission module;
extracting the process parameters in the process parameter page by the MES through the image recognition module;
the MES system compares the extracted process parameter list with the parameter range stored in the information storage module;
if the extracted process parameter list is in the parameter range stored in the information storage module, the parameter adjustment is finished, an operator feeds back an adjustment finishing instruction through the feedback unit, the timing is stopped, and the timing duration is sent to the information storage module for storage.
7. The intelligent point inspection method for the injection molding process based on the image recognition technology and the MES, as claimed in claim 1, wherein: the device further comprises a parameter updating module, wherein the parameter updating module is used for updating the parameters matched with the injection molding equipment or the injection mold to the information storage module when new injection molding equipment or injection mold is added, and updating the parameters matched with the aged injection molding equipment or injection mold to the information storage module when the injection molding equipment or injection mold is aged for a long time.
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