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Auto parts production automation equipment

2019-01-17
times

The automobile industry is a comprehensive and technology-intensive industry that integrates machinery, materials, chemicals, electronics, energy, transportation, environmental protection and many other fields. It plays an important role in the industrial development of the whole country, and the development of the national economy. The overall level is inextricably linked. The rapid development of the automobile industry in recent years has driven the rapid development of related industries. The following non-standard robot arm manufacturers Xiaobian for everyone to introduce:


I. Overview of China's brake parts industry


In 2003, China's automobile industry realized an output value of 990 billion yuan, an industrial added value of 200 billion yuan, a profit and tax of 85 billion yuan, more than 2 million direct employees, and more than 12 million related employees. From this set of data, we can roughly calculate the relevant situation of the auto parts industry.


In short, the overall level of China's auto parts has basically met the supporting requirements of domestically introduced models, and some companies have certain international market competitiveness, and the products are sold to overseas markets. In Shanghai, Zhejiang, Jiangsu, Hubei, Chongqing, Guangdong, Jilin, Liaoning, Tianjin, Fujian, Anhui and other places, China's auto parts industrial base has been formed.


2. Current status of automated production of carcass parts


After entering the 21st century, there have been several new trends in the world automotive industry, including globalization of parts procurement, modularization of production and assembly, generalization of automobile chassis, and shortened development cycle. With the increasing competition in the world, new changes have taken place in the automobile industry in developed countries, and the auto parts industry has also presented new features such as organizational grouping, technology high-tech, supply systemization and business globalization. The world's major auto companies have reformed their supply systems, implementing global production and global sourcing, from sourcing from multiple auto parts manufacturers to sourcing from a few system suppliers; from single auto parts procurement to modular procurement; Domestic procurement has been transformed into global sourcing. The reform of the procurement system of vehicle manufacturers has led to the transfer of new technology products for auto parts to parts and components enterprises, and requires auto parts manufacturers to constantly adapt to them. Not only do manufacturers need to enhance their own strength and improve product development capabilities. To achieve system development, system supply, but also to shorten the development cycle, to provide quality and cheap products. The entire automobile industry will rise to a comprehensive brand competition and a systematic and modular production method. This change has promoted the process of mergers and acquisitions and restructuring of the auto parts industry worldwide.


The automobile industry is characterized by mass production, so that even internationally renowned manufacturers do not manufacture all the parts themselves, but master the main technical content. Most of the other parts are commissioned by the supplier, which is conducive to concentrating on the development of key parts. Technology and the development of new products are also conducive to reducing costs and improving efficiency, and also cultivating high-volume parts suppliers. At present, a large number of such small and medium-sized enterprises have emerged in China, providing parts and components for domestic and foreign. However, the equipment for auto parts manufacturers in China is very backward. Most of them are still in simple and low-level hand workshop production. It is difficult to meet the requirements of quality consistency and mass production in processing parts and their products. Well-known automakers are favored, and large orders are not able to undertake. Therefore, they urgently need to improve product grades, increase production and expand capacity, and strive to achieve a solid industrial position. They urgently need modern professional production lines. Developed for auto parts


The key technologies of the dynamic assembly line are of great significance for the development of China's automobile economy, and also have great application prospects.


People's safety requirements for cars are more prominent than any other industry. The guarantee of performance lies not only in reasonable design, high-precision machining, but also in the accuracy and stability of assembly, the advancement and reliability of measurement and detection means. These requirements reinforce the industry's broad need for assembly test automation in the context of efficiency. It can be said that the assembly automation system can be applied to different degrees in almost all auto parts companies.


In terms of parts production, foreign countries have gradually adopted flexible assembly lines for parts and assembly assembly since the 1970s, while most of them are still manual operations, with a small number of assembly machines or robotic processes, and assembly labor accounts for production. More than 40% of the total labor.


The development trend of the automotive industry is modularization of production and assembly, and electronic and digital automotive technology. The so-called modularity refers to the integration of components or subsystems according to the composition of the car to form a large component or a large assembly. The production assembly is modular, that is, the auto parts manufacturers produce modular system products, and the whole vehicle manufacturer can complete the complete vehicle production by simply assembling the purchased modular products. In the modular production mode. The center of automotive technology innovation is in terms of parts and components, parts and components must be advanced and participate in the product design of automobile manufacturers. This will enable automobile manufacturers to transfer part of the new product development and design costs to the parts supplier, the OEM and the supporting equipment. The simultaneous development of the plant has greatly shortened the development time and saved development costs. On the other hand, automakers use the global scope as a space to select and match automotive modules and optimize automotive designs. The modularization of production and assembly will lead to major changes in the way of automobile production, including the elimination of the traditional assembly line and production equipment of the automobile industry, and the transfer of part of the assembly work on the automobile assembly line to the place outside the assembly line, which greatly reduces the production of automobile manufacturers. The number of parts and components reduces management costs and production costs. The use of modular production methods is conducive to improving the variety, quality, automation level and reliability of automotive parts, improving the assembly quality of automobiles and shortening the production cycle.


3. Key technology of auto parts automation equipment


Research on the overall optimization design and system integration technology of complete sets of equipment;


Research on the overall optimization design and system integration technology of large-scale group, transmission, assembly, stamping, riveting, welding and cutting systems for key components in the automotive parts industry, and develop automated production equipment with demonstration applications. A flexible automated production line is constructed using robotic systems and automated production units.


Research on information monitoring and traceability data management techniques;


The large number of parts and their manufacturer information involved in the assembly, the inspection and control parameters generated during the assembly process, and the online personnel situation will form a huge data system. Each product should save as much information as possible. In the event of a failure, the relevant information can be retrieved based on the unique identification number of the product, and the relevant factors can be analyzed to find out the cause of the failure. On the one hand, information is provided to avoid similar failures, and on the other hand, Provide legal basis for investigating the responsibility or exemption of relevant manufacturers and personnel. It is beneficial for consumers and producers to ensure traceability of product value. China is still not in place, and such management and technical assurance measures must be gradually improved.


Research on optimal control and online fault diagnosis techniques for assembly systems;


The establishment of the assembly line scheduling control system model is based on the description information of the assembly process flow. Considering that the assembly process not only has a sequential relationship, but also has parallel and competitive relationships. Therefore, the Petri net is planned as the system modeling and analysis method. It has become one of the main methods for modeling and analyzing discrete event dynamic systems at a logical level. It is a theory that studies the organizational structure and dynamic characteristics of the system in a graphical form. It is intuitive, executable and easy to simulate. It is especially suitable for modeling and analyzing asynchronous concurrent and competitive systems. It has a stronger analog function and can be used to represent the dynamic process of the system. The establishment of the system model and the establishment of the optimization algorithm are the key to the development of the assembly line scheduling control system, which provides a theoretical basis for the real-time scheduling control and dynamic simulation of the assembly line system.


Online fault diagnosis technology is essential for the reliable operation of large and complex systems. During the operation of the production line, it is necessary to have certain foresight ability for certain faults according to the status of production equipment, product parameters, etc., and maintain in advance, and report unforeseen faults in time. Auxiliary diagnosis and positioning reasons. Apply research on online fault diagnosis technology.


Research on precision positioning and force-position hybrid servo control technology in automatic assembly;


There are many inspection equipment for auto parts, but they are generally test benches for finished products. There are very few automated online detection methods that are incorporated into the production process. On-line inspection can improve the efficiency of production, find problems in a timely manner, and eliminate the waste of subsequent assembly work materials and time. Summarize the adaptive detection technology of commonly used physical quantities such as stroke, force, torque, air tightness, etc., to achieve certain versatility, and to cope with the production tasks of different types of products. Hynix (HYNIX) Group was established in 2012 and is headquartered in Kunshan City, Jiangsu Province. It is a technology company specializing in non-standard pipe fitting automation and technology research and development.


Assembly automation system and workstation research


Research and integration of automatic feeding (vibration, material stack, chute, auxiliary line, centralized feeding, etc.), fixed positioning (positioning structure, tooling plate, fixture mold, etc.), transmission (robot, conveyor line, etc.), sorting, Press-fit, riveting (riveting, riveting, riveting, etc.), welding (friction welding, laser welding, arc welding, high-frequency welding, etc.), cutting (mechanical, laser, etc.), gluing (grease, sealant, Foaming materials, etc., grouping, inserting, tightening, sealing, cleaning, oiling, testing (missing, position, force, angle, damage, leakage, electrical performance, quality, motion function, etc.), labeling (laser High-automation systems or stand-alone workstations with all or part of functional units, such as vacuum coding, engraving and milling, pneumatics, etc., vacuum, packaging, etc.


At present, a large number of such small and medium-sized enterprises have emerged in China, providing spare parts for domestic and foreign automobile manufacturers. However, the equipment for auto parts manufacturers in China is very backward. Most of them are still in simple, low-level hand workshop production. It is difficult to meet the requirements of quality consistency and mass production in processing other parts and their products. Well-known automakers are favored, and large orders are not able to undertake. Therefore, they urgently need to improve product grades, increase production and expand capacity, and strive to achieve a solid industrial position. They urgently need modern professional production lines. At the same time, the state should support the key technologies in auto parts assembly equipment for auto parts, solve some key technologies, and promote the road of healthy development of China's auto parts.


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