| Aluminum clad wooden window adopts the pattern of external aluminum and internal wood,indoor side adopts high-quality solid wood,outdoor side adopts high-quality aluminum alloy profile,which can bake different colors of paint,high-end,atmospheric,environmental protection,heat preservation,has become the development trend of high-end doors and windows.Aluminum alloy window frame is a typical part of aluminum clad wooden window.At present,the gutter milling groove of this kind of frame adopts manual operation,only one frame and one groove can be milled at a time,with low production efficiency,high labor intensity,high noise and large dust.Based on the technical requirements of Harbin senying window industry Co.,Ltd.and the trend of enterprise upgrading,this paper studies the cutting technology of aluminum alloy window frame gutter and the research and development of automatic gutter milling machine for window frame gutter.The main research contents are as follows:1.Based on the analysis of the structure,size,processing accuracy,working efficiency and material of the aluminum clad wooden window frame and gutter,the advantages and disadvantages of the pan milling,vertical milling,wire cutting,grinding and other groove processing methods are comprehensively compared,and the method of milling gutter of the window frame gutter using the combination of multi saw and horizontal milling is proposed,which has the processing and production efficiency of one-time milling of multiple gutters high advantage.2.Based on the horizontal milling method of multi blade saw combination for window frame gutter,combined with the structural characteristics of aluminum clad wood window frame and gutter,and considering the factors of production efficiency and automation,the design scheme of automatic gutter milling machine is put forward,and Solidworks is used to complete the structural design of automatic gutter milling machine for aluminum clad wood window frame gutter.The automatic groove milling machine can automatically process six frames at a time,which has the advantages of automatic processing,high production efficiency,low labor intensity and small dust.3.Based on the theory of metal cutting,the milling mechanical model of multi blade saw for window frame gutter is established,and the simulation analysis of multi blade saw milling for gutter is completed by using the finite element analysis software Abaqus,and the design parameters and milling technology of multi blade saw are optimized.The milling multi blade saw of the rain gutter is composed of five saw blades.The diameter of the saw blade is 255 mm,the number of teeth is 40,the back engagement of cutting edge is 3mm,the milling speed of the saw blade is 350 m / min,the feed rate is 0.1mm/z,and the milling feed rate is 1.748m/min.4.The model of milling motor,feed screw,servo motor,cylinder and linear guide rail are determined by the method of combining mechanical design theory with simulation.5.Based on the analysis of the automatic groove milling process of the rain water tank,through the analysis of the control requirements of the equipment,the selection of the driving elements such as the driving motor,the cylinder and the D/A conversion module,the frequency converter,the travel switch and other electrical elements is completed.Based on the DVP-32EH00 T PLC of Delta,the electronic control system and automatic groove milling control flow of the automatic groove milling machine are designed,and the PLC control program of the machine is designed. |
