Vehicle frame intelligent automatic production line

Abstract

The invention belongs to the technical field of vehicle frames, and discloses a vehicle frame intelligent automatic production line. The vehicle frame intelligent automatic production line comprises a workshop, a feeding and discharging port is formed in the right side of the workshop, a power cabinet is arranged above the feeding and discharging port and located on the outer side of the workshop, a clamping mechanism is arranged in the workshop, and a PLC box is arranged in the workshop and located on the left side of the clamping mechanism. According to the vehicle frame intelligent automatic production line, the reasonable welding sequence can be achieved, the smoothness of welding elements is guaranteed, a robot can balance heat input on the two sides, the risk of distortion deformation is effectively reduced, through reasonable design of a clamp, strong constraint and reversible deformation are designed in the place with the large deformation trend, a water cooling unit is matched to work, so that the clamp can better clamp, and the overheating condition is avoided.

Description

technical field [0001] The invention relates to the technical field of bicycle frames, in particular to an intelligent automatic production line for bicycle frames. Background technique [0002] In recent years, welding robots have been widely used in my country's bicycle industry, and nearly a thousand welding robots are put into bicycle production every year. In addition to the large number of robot welding used in automobile assembly plants, there are also a large number of applications in automobile and bicycle parts factories, especially in the production of bicycle tripods. Because the tripod is an important structural safety part of the bicycle, its welding quality plays a decisive role in the safety of the bicycle, so robots are mostly used for welding. Welding robots have been widely used in the bicycle manufacturing industry, welding bicycle tripods, seat frames, guide rails, and hydraulic torque converters, especially in the production of bicycle tripods. After ...

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Problems solved by technology

[0003] At present, the large-scale robot welding lines in China are provided by foreign system integrators. There is no domestic system integrator with the ability to control the entire welding line (that is, the fixture, conveying system, and robot are all controlled by the same PLC). Due to the large amount of programming tasks involved in the control of the entire line, the various equipment involved, and the complex action sequence of robots, fixtures, and conveying systems, etc., it has become a threshold for improving the control capability of the entire line in China.

The commonly used production method in China is that 3-4 system integrators provide electrical control for fixtures, conveying systems, and robots respectively. This has many disadvantages, such as: the use of multiple PLCs causes equipment waste and increases costs. Three parts There are a large number of interface signals between them. Due to the inconsistency of the interface or the artificial reduction of the interface signal, the reliability of the welding line is reduced. The programming software used by each company is not uniform, the programming standards are different, and the system maintainability is poor, resulting in increased maintenance costs for users. Large, difficult to achieve advanced management monitoring such as MES, PMC system, through the use of the whole line control, the equipment in a section of the area is controlled by a PLC, the interface between the fixture and the conveying system and the robot are the same or similar, so that one person presses Certain programming ideas and standards are used to write the program, so the reliability is guaranteed and the maintenance cost is reduced. Therefore, we urgently need an intelligent automatic production line for the frame

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