Automated stamping automation production line is transformed from pure single-piece production to system configuration and design that can adapt to twin parts and single-piece production. It also tackles the technical problems encountered and adopts reasonable and effective solutions to expand the functions of automatic press lines. Use range.
At present, the domestic auto parts stamping automation production line is all single-piece production, that is, one workpiece per work is produced, and the production efficiency is relatively low. With the increasing domestic and international competition in the automotive industry, reasonable and effective automobile production solutions can Accelerate the pace of development of enterprises and improve market competitiveness.
Based on the above reasons, this application project has been developed to realize the production function of the twin parts. It is mainly adapted to various automatic stamping production lines for automobile covers, and can realize the automatic production of various irregular sheets, thereby reducing material consumption, reducing costs and saving investment. It eliminates the danger of operators, reduces labor intensity, and improves work efficiency.
The principle of automatic stamping line transformation
According to the actual functional requirements of the press line and the safety and reliability of its operation, based on the current domestic and international technology status and market development strategy, the design guiding ideology and principles are put forward: on the basis of fully absorbing the international advanced technology and products. Innovatively carry out the integration and design of the stamping automated production line system, and regard the quality and reliability of the mechanical system and the electronic control system as the key to success, and develop the only automatic press line system in China that is close to the international leading level, and further improve Functional requirements for automated stamping lines for automotive panels.
Press line modification system
Through the transformation of the twin parts of the automatic stamping production line of the automobile cover, on the basis of retaining all the functions of the original single-piece production, it can adapt to the production of the twin parts and the single piece, and the two functions can be switched freely; During production, the parameters and codes of the original equipment are used to set up the transformation system and the original positioning function to coordinate production. All process parameter settings related to the product category are contacted with the part code to facilitate the implementation of the unified workpiece. The requirement of the management principle of the number; the suction cup of the loading end requires automatic selection through the touch screen interface, and changes the manual selection mode of the original system.
Press line transformation system configuration
According to the technical requirements of the system, combined with the standard configuration of the original system, 2 sets of front centering locator (1 axis AC servo unit drive), 4 sets of left and right outer centering locators (2 axis pneumatic, 1 axis AC servo) Unit drive), 4 sets of rear positive centering locator (1 axis pneumatic, 1 axis AC servo unit drive), 6 sets of double material detection system, 1 set of electrical and pneumatic control system, various detection sensors are added in the demolition area. Touch screen operation interface, 4 sets of original side centering device were modified, 2 sets of loading end picking device were modified, the structural part of the original sheet material centering part, and the oil path, gas path and circuit of the system were modified.
The working process of the whole system
Under the control of the original control system and the newly added system, the loading trolley will send the whole sheet to the demolition area, the lifting mechanism will lift the material, and the magnetic layering mechanism will layer the whole sheet and disassemble. The suction cup starts to descend and disassemble, and the sheet is moved to the conveyor belt, and the double material detection in the static state (the stop of the sheet is controlled by the sensor) is detected as unqualified (detecting the adsorption of two sheets of overlap), the belt will The sheet is returned, the suction cup is washed and shaken, and then the sheet is sent to the position where the double material is detected. If it is not qualified, the belt will send the sheet to the waste disposal area outside the work area. If the test is qualified (for single layer sheet) ), the sheet will pass through the cleaning oiling device and the dynamic double material detector to reach the centering area. The proximity switch on the front centering positioner senses that the material is in place, and all the set centering locators start to center the sheet. The material picker picks up the sheet and sends it to the stamping die, and then returns to complete the whole action, wherein the position detection involved is realized by the sensor.
Production of twins and single parts and conversion to production
The newly added control system is connected to the original system, and controls the movement of any position of the servo shaft and the pneumatic shaft at the same time. Each pneumatic shaft is controlled by the valve island. The parameter setting and the real-time display system working state are realized through the touch screen, and the system performs fault inquiry and reset processing for the PLC, the position control module and the servo package failure.
The realization of the action function firstly performs the positive and negative manual operation of the servo axis and the pneumatic axis under the action of the PLC and the servo control system through the touch screen interface, completes the reference point setting of the servo axis, and then according to different production workpieces, Teaching the position of each servo axis used in the production of different workpieces, and remembering, through the external control switch conversion and system PLC control, from single piece to twin parts, twin parts to single piece servo axis and The initial working state of the pneumatic shaft is ready for work. The realization of the automatic operation of the centering device starts from the rear positive centering locator, and the lateral centering device swing arm moves outward, and combines the starting motion of the centering locator of the original system.
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