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原扩孔机无上下料装置,人工需将30～90公斤的加热毛坯装上和卸下,体力劳动繁重,上料不准确,产品容易碰伤,而且极不安全。新制造的上料装置如图1所示。它由回转吊臂、回转气缸、夹紧气缸和提升气缸组成。回转气缸是一个气、液联动的阻尼缸,通过齿条齿轮带动,使回转臂旋转180°,并驱动其前端固定的提升气缸和夹紧气缸,完成锻件的提升和夹紧,将锻件毛坯置于扩孔
Raw reaming machine without loading and unloading device, the artificial need to be 30 to 90 kg of heated blank loaded and unloaded, manual laborious, feeding is not accurate, the product easily bruised, but also very unsafe. Newly manufactured feeding device shown in Figure 1. It consists of rotary boom, rotary cylinder, clamping cylinder and lifting cylinder. Swivel cylinder is a gas, liquid damping cylinder, driven by the rack gear, so that the revolving arm rotated 180 °, and drive the front end of the fixed lifting cylinder and clamping cylinder to complete forging lifting and clamping forging blank Reaming