阅读说明：本技术 航天航空锻压数字化车间 (Aerospace forging and pressing digital workshop ) 是由 计鑫 赵华 潘高峰 周正 施立军 于 2020-05-20 设计创作，主要内容包括：本发明公开了一种航天航空锻压数字化车间,属于锻压数字化车间技术领域,其特征在于,至少包括：由基础层、执行层和管理层组成的系统架构；其中：所述基础层包括执行不同锻压工艺的锻压设备；所述执行层包括制造执行系统；所述管理层包括企业资源计划系统；所述执行层分别与基础层和管理层进行数据交互；获取每台锻压设备固态信息和动态信息的现场资源数字化系统；管控生产物料信息的物料数字化系统；管控车间制造过程中需要交互全部信息的数据字典系统；从信息系统功能模块、数据及质量管控、产品追溯与服务方面规范航空锻压数字化车间的集成系统,质量管控系统。本发明通过信息共享技术和智能分析技术,满足航天航空锻压的智能化需求。(The invention discloses an aerospace forging and pressing digital workshop, which belongs to the technical field of forging and pressing digital workshops and is characterized by at least comprising the following components in parts by weight: the system architecture consists of a base layer, an execution layer and a management layer; wherein: the base layer comprises forging equipment for executing different forging processes; the executive layer comprises a manufacturing executive system; the management layer includes an enterprise resource planning system; the execution layer respectively carries out data interaction with the base layer and the management layer; acquiring a field resource digital system of solid-state information and dynamic information of each forging and pressing device; a material digitization system for controlling production material information; the data dictionary system is used for controlling all information needed to be interacted in the manufacturing process of the workshop; the integrated system of the aviation forging and pressing digital workshop is standardized in the aspects of information system function modules, data and quality control, product tracing and service, and the quality control system. The invention meets the intelligent requirement of aerospace forging and pressing by an information sharing technology and an intelligent analysis technology.)

1. The aerospace forging and pressing digital workshop is characterized by at least comprising:

the system architecture consists of a base layer, an execution layer and a management layer; wherein: the base layer comprises forging equipment for executing different forging processes; the executive layer comprises a manufacturing executive system; the management layer includes an enterprise resource planning system; the execution layer respectively carries out data interaction with the base layer and the management layer;

acquiring a field resource digital system of solid-state information and dynamic information of each forging and pressing device; the solid state information comprises archive information and parameter information; the dynamic information comprises activity definition information for controlling the action of the execution layer and manufactured activity feedback information;

a material digitization system for controlling production material information; the production material information comprises a material identification system and a database for storing material information;

the system comprises a data dictionary system for interacting all information in the manufacturing process of a control workshop, wherein the all information comprises equipment state information, production process information, logistics and warehousing information, inspection and quality information and production plan scheduling information; the data dictionary system is used for standardizing data availability, integrity and expandability related to data acquisition and integration of the digital workshop;

from information system function module, data and quality management and control, product are traceed back and the integrated system of the digital workshop of aviation forging and pressing of service aspect standard, integrated system includes: an integrated interface among PLC, DCS, ERP, PLM, MES, SCADA and WMS;

and the quality control system analyzes and processes the quality inspection data of each quality control point aiming at the quality control points of the aerospace forging and pressing process flow.

2. The aerospace forging and pressing digital workshop as recited in claim 1, wherein: the forging and pressing equipment comprises a forging hydraulic press, a feeding robot, an unloading robot, a die or workpiece heating furnace, a manipulator and a heat treatment furnace.

3. The aerospace forging and pressing digital workshop as recited in claim 1, wherein: in the field resource digitization system, each forging and pressing device is provided with a communication interface for mutual communication.

4. The aerospace forging and pressing digital workshop as recited in claim 1, wherein: the material identification system comprises an electronic identification tag and an electronic identification system.

5. The aerospace forging and pressing digital workshop as recited in claim 1, wherein: the profile information includes: number, description, model of the device.

6. The aerospace forging and pressing digital workshop as recited in claim 1, wherein: the production material information includes: blank information, lubricating oil information, auxiliary material information and semi-finished product information.

Technical Field

The invention belongs to the technical field of forging and pressing digital workshops, and particularly relates to an aerospace forging and pressing digital workshop.

Background

In recent years, with the rapid development of intelligent manufacturing industry, the aerospace industry in China is greatly changed, at present, the whole digitization level of the aerospace forging and pressing industry in China has a certain difference with the advanced manufacturing industry fields such as automobile stamping and the like, and the problems mainly exist that the digitization level of forging and pressing process equipment is not high, and the problem of 'information isolated island' between production processes is serious; production of small enterprises depends on manpower, and part of large enterprises realize digitization of part of procedures, but full-process automatic production and informatization management and control are not achieved, so that product quality tracing is difficult; lack of uniform regulation on equipment data, case-by-case analysis and integration are required to be carried out aiming at equipment of different manufacturers and different models, and a lot of complicated and repetitive work and cost are increased; the current workshop information system has single function and less integrated information amount, and can not meet the requirements of intelligent manufacturing of aviation forgings with the characteristics of multiple varieties and small batch. The problems result in that space flight and aviation forging enterprises cannot adapt to flexible production requirements, the production process is uncontrollable, the production efficiency is low, the product quality is unstable, the operation and maintenance cost is high and the like. Therefore, the transformation and upgrading of the aerospace forging and pressing industry are forced to be necessary by adopting a digital and intelligent manufacturing method.

Disclosure of Invention

The invention provides a space flight and aviation forging and pressing digital workshop for solving the technical problems in the known technology, and the intelligent requirements of space flight and aviation forging and pressing are met through an information sharing technology and an intelligent analysis technology.

The invention aims to provide an aerospace forging and pressing digital workshop, which at least comprises:

the system architecture consists of a base layer, an execution layer and a management layer; wherein: the base layer comprises forging equipment for executing different forging processes; the executive layer comprises a manufacturing executive system; the management layer includes an enterprise resource planning system; the execution layer respectively carries out data interaction with the base layer and the management layer;

acquiring a field resource digital system of solid-state information and dynamic information of each forging and pressing device; the solid state information comprises archive information and parameter information; the dynamic information comprises activity definition information for controlling the action of the execution layer and manufactured activity feedback information;

a material digitization system for controlling production material information; the production material information comprises a material identification system and a database for storing material information;

the system comprises a data dictionary system for interacting all information in the manufacturing process of a control workshop, wherein the all information comprises equipment state information, production process information, logistics and warehousing information, inspection and quality information and production plan scheduling information; the data dictionary system is used for standardizing data availability, integrity and expandability related to data acquisition and integration of the digital workshop;

from information system function module, data and quality management and control, product are traceed back and the integrated system of the digital workshop of aviation forging and pressing of service aspect standard, integrated system includes: an integrated interface among PLC, DCS, ERP, PLM, MES, SCADA and WMS;

and the quality control system analyzes and processes the quality inspection data of each quality control point aiming at the quality control points of the aerospace forging and pressing process flow.

Further: the forging and pressing equipment comprises a forging hydraulic press, a feeding robot, an unloading robot, a die or workpiece heating furnace, a manipulator and a heat treatment furnace.

Further: in the field resource digitization system, each forging and pressing device is provided with a communication interface for mutual communication.

Further: the material identification system comprises an electronic identification tag and an electronic identification system.

Further: the profile information includes: number, description, model of the device.

Further: the production material information includes: blank information, lubricating oil information, auxiliary material information and semi-finished product information.

The invention has the advantages and positive effects that:

by adopting the technical scheme, the method provides guidance for the construction of an aerospace forging and pressing digital workshop which takes die forging, isothermal forging, free forging and the like as core processes, ensures the interconnection and intercommunication of a real layer, a field control layer, a manufacturing execution layer and an enterprise management layer of the digital workshop on site, and promotes the improvement of the overall intelligent level of the aerospace forging and pressing industry; and secondly, establishing an integrated information providing model of the aerospace forging and pressing equipment in an information system. According to the data dictionary of the forging equipment and the integration specification of the information model, the problem of interoperation of equipment of different manufacturers can be solved, meanwhile, sufficient information is provided for quality control and quality tracing in an information system, and the product quality and system integration efficiency are improved; and thirdly, a reference basis is provided for information system construction of a space flight and aviation forging and pressing digital workshop, standardized quality control and tracing processes of titanium alloy, high-temperature alloy and other difficultly-deformed forgings and aluminum alloy and magnesium alloy forgings required by the construction and preparation of the aviation industry are established, and the production efficiency and the management level of enterprises are improved.

Drawings

FIG. 1 is an aerospace forging and pressing digital workshop system architecture in a preferred embodiment of the invention;

FIG. 2 is a diagram of a model of an on-site process installation in accordance with a preferred embodiment of the present invention;

FIG. 3 is a diagram of an exemplary process segment for quality control in a preferred embodiment of the present invention;

FIG. 4 is a free forge library HMI interface in a preferred embodiment of the present invention.

Detailed Description

In order to further understand the contents, features and effects of the present invention, the following embodiments are illustrated and described in detail with reference to the accompanying drawings:

as shown in fig. 1 to 4, the technical solution of the present invention is:

an aerospace forging and pressing digital workshop, comprising:

the system architecture consists of a base layer, an execution layer and a management layer; wherein: the base layer comprises forging equipment for executing different forging processes; the executive layer comprises a manufacturing executive system; the management layer includes an enterprise resource planning system; the execution layer respectively carries out data interaction with the base layer and the management layer;

acquiring a field resource digital system of solid-state information and dynamic information of each forging and pressing device; the solid state information comprises archive information and parameter information; the dynamic information comprises activity definition information for controlling the action of the execution layer and manufactured activity feedback information;

a material digitization system for controlling production material information; the production material information comprises a material identification system and a database for storing material information;

the system comprises a data dictionary system for interacting all information in the manufacturing process of a control workshop, wherein the all information comprises equipment state information, production process information, logistics and warehousing information, inspection and quality information and production plan scheduling information; the data dictionary system is used for standardizing data availability, integrity and expandability related to data acquisition and integration of the digital workshop;

from information system function module, data and quality management and control, product are traceed back and the integrated system of the digital workshop of aviation forging and pressing of service aspect standard, integrated system includes: an integrated interface among PLC, DCS, ERP, PLM, MES, SCADA and WMS;

and the quality control system analyzes and processes the quality inspection data of each quality control point aiming at the quality control points of the aerospace forging and pressing process flow.

The implementation of the above preferred embodiment is based on the following five steps:

system architecture of aerospace aviation forging and pressing digital workshop

The invention provides a system architecture method of a civil aviation forging and pressing digital workshop, which provides the digital requirements of field entities, the workshop information exchange requirements, the workshop integration requirements, the process flow requirements and the like, and ensures the interconnection and intercommunication of the digital workshop on a field entity layer, an execution layer and a management layer. The method is characterized in that key quality control points are designed aiming at a bottleneck link of a forging process flow, an informatization and digitization mode is used for controlling and controlling quality data of each process in a limited range accurately by adopting technologies such as data analysis and the like.

Taking the forging process as an example, the on-site resource layer (foundation layer) comprises 1 125MN forging hydraulic press, 1 loading robot and 1 unloading robot. The main process execution and management flows are as follows: the feeding robot obtains a product blank from a feeding position and puts the product blank into a lower die of a hydraulic press workbench, then the hydraulic cylinder drives an upper die to move downwards to press the blank, the hydraulic cylinder drives the upper die to return after the blank is finished, the taking robot goes deep into a lower beam workbench die to take the product and places the taken product at a conveying roller, and the product is conveyed to the next process by the conveying roller.

The PLC, DCS, SCADA and the like of a numerical control system (field execution layer) of the forging process are used as core control units, all slave stations (including a hydraulic machine PLC and distributed slave stations thereof, a loading robot slave station, an unloading robot and the like) are connected through an Ethernet or PROFINET bus, the operation conditions of all parts are received through the bus, and corresponding instructions are sent to control the hydraulic machine, the loading robot, the unloading robot and the spraying lubricating device to complete various actions. And in the production process, the base layer receives the process parameters and the process instructions issued by the manufacturing execution layer and receives the production process data in real time (the fed back production real-time data is used as a data analysis and process improvement basis). The manufacturing execution layer and the enterprise management layer interact information such as production report information, enterprise order plan and the like.

Second, field resource digitalization

Digitalization of main manufacturing equipment such as a forging press, a die/workpiece heating furnace, a manipulator, a heat treatment furnace and the like used in an aerospace forging and pressing digital workshop:

the method has perfect archive information including numbering, description, model and digital description of parameters;

the system is provided with a communication interface, and can realize information intercommunication with other equipment, devices and an execution layer;

the method can receive activity definition information issued by an execution layer, including parameter definition, operation instructions and the like for meeting various manufacturing and operation activities;

the system can provide manufactured activity feedback information to the execution layer, wherein the manufactured activity feedback information comprises processing information of a workpiece, state information and fault information of equipment and the like;

the system has certain visualization capability and human-computer interaction capability, and can display real-time information of equipment on the site in a workshop and meet the requirements of operation authorization and processing related human-computer interaction.

Third, digitalization of production materials

The digital requirements of production materials such as blanks, lubricating oil, auxiliary materials, semi-finished products and the like used in the aerospace forging and stamping digital workshop comprise:

the material identifiability is met by using coding technologies such as bar codes and electronic tags, the attribute definitions of material numbers, parameters, using objects and the like are included, and material codes are respectively arranged on the materials used in the hot processing link before and after the processing link, so that the coding consistency is ensured;

the information is read in an automatic or semi-automatic mode and automatically uploaded to corresponding equipment or a manufacturing execution layer, so that the control and information tracing of the production process are facilitated;

the identification information can have certain expandability, such as data writing of a device and a field execution layer by using RFID.

Data integrity of data dictionary and production full process

A semantic description method for operation, debugging, maintenance and diagnosis in the aerospace forging and pressing digital workshop process provides an equipment static attribute set and a data set process equipment attribute set representing the operation state of field equipment for forging and pressing equipment, a manipulator and a part/die heating furnace. The equipment of different manufacturers and different models needs to be analyzed and integrated one by one, so that a lot of complicated and repetitive work and cost are increased, a unified semantic description method needs to be formulated aiming at field process equipment, a unified data dictionary is constructed, and information intercommunication among different systems and different enterprises is realized.

The data dictionary established in the aerospace forging and pressing digital workshop specifically requires as follows:

all information needing interaction in the workshop manufacturing process, such as equipment state information, production process information, logistics and warehousing information, inspection and quality information, production plan scheduling information and the like;

various types of data basic information are described, such as data names, semantics, structures, data types and the like.

By defining a field equipment data dictionary, requirements of data availability, integrity, expandability and the like involved in data acquisition and integration of a civil aviation digital workshop are specified, so that the problem that the requirements of interaction, traceability and integration of the digital workshop can be realized on a data layer is solved. Taking the dynamic property set of the slide block of the forging hydraulic press as an example, the slide block is a main working component for completing stroke movement of equipment and according to an upper die. The content of the attribute set for representing the running state of the slider is as follows:

TABLE 1 set of dynamic attributes for hydraulic forging press ram

Fifth, system integration

The information system of the aviation forging and pressing digital workshop is standardized from the aspects of information system function modules, data and quality control, product tracing, service and the like, and the information system integration of the aviation forging and pressing digital workshop is guided. Each system comprises: and interfaces are integrated among PLC, DCS, ERP, PLM, MES, SCADA, WMS and the like.

Sixthly, the quality, consistency and traceability of the product

The method is characterized in that key quality control points are designed aiming at the bottleneck link of the forging process flow of aerospace, the control modes are controlled in an informatization and digitalization mode, the quality data of each process is accurately controlled within a limited range by adopting technologies such as data analysis and the like, and the quality and traceability of forged products are improved.

Taking the product quality control of a free forging system of a forging and pressing process as an example, the hydraulic forging press can be matched with an operating machine to work, and can realize a linkage function with the operating machine. In the on-line automatic mode, the press and the manipulator both run automatically. The operator sets the control parameter values at the operator station and stores them in the control system. And after the initial conditions are met, pressing a working button, and performing automatic linkage action on the press and the operating machine to finish the manufacturing of the workpiece. In the linkage process of the press and the operating machine, the press is taken as the main part, and the operating machine is taken as the auxiliary part. An intermediate operator may press a rest button at any time to halt the performance of the action.

A program forging module: the press is provided with a program forging module, and can finish the program forging of various free forging processes. The specific functions are as follows:

data recording function: the rolling reduction, the anvil feeding amount, the overturning angle and the maximum pressing tonnage of each pressing process can be automatically recorded, and the rolling reduction after each pressing process can be automatically recorded.

Forging monitoring function: for the automatic forging process, the curve of the forging process can be automatically recorded, and simultaneously, the curve is displayed in a monitoring interface of an industrial personal computer in real time, so that a user can conveniently adjust process parameters according to the curve.

Forging library: aiming at the conventional forgings, a forging program library such as shafts, barrels, squares, cakes and rings can be established, and the automatic and batch production is facilitated. And the program library supports the functions of automatic inquiry, modification and additional storage.

The control parameter execution function: during the forging process, the operation can be carried out according to set parameters such as set pressing amount, return stroke amount, anvil feeding amount, rotating angle, positioning axial position, marking depth and the like so as to finish the operations such as square drawing, cogging, upsetting, marking, finishing and the like.

Big data application function: can realize the functions of data acquisition, processing, analysis, early warning and data feedback

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and all simple modifications, equivalent changes and modifications made to the above embodiment according to the technical spirit of the present invention are within the scope of the technical solution of the present invention.