育苗土自动装钵机的设计与试验OA

Aiming at the problems of uneven soil filling and low operation efficiency in the existing seedling pot matrix fil-ling,an automatic seedling soil filling device suitable for plastic nutrition pot filling was designed,which mainly includ-ed soil filling device and soil falling device.The soil loading device pushed the quantitative block through the electric push rod on both sides of it,and carried out linear reciprocating motion on the slide.The seedling soil fell from the quantitative block into the bottom of the unloading plate,which had the function of quantitative soil loading.The soil falling device drove the synchronous wheel movement through the servo motor,and the bowl bracket on the synchronous belt could achieve accurate positioning.The finite element simulation analysis of the key components in the seedling soil automatic potting machine was carried out.The results showed that the stress of each component met the design strength require-ments,and the strain displacement was consistent with the predicted trend.The maximum stress of the drive shaft was 1.645×108 N/m2,and the maximum strain displacement was 0.07 mm.The maximum stress of the unloading plate was 4.856×107 N/m2,and the maximum strain displacement was 0.27 mm.The maximum stress of the supporting frame was 5.114×107 N/m2,and the maximum strain displacement was 5.23 mm.The operating parameters of the servo motor and the electric push rod were set to verify the actual effect of the equipment falling and loading operations.The results showed that the control accuracy of the fall operation was+0.8 mm,and the control accuracy of the loading operation was+1.0 mm,which achieved the best operation effect.