Sliding block stamping stroke control device

A sliding block stamping stroke control device comprises a hydraulic valve and a guide seat which are arranged on a hydraulic cylinder, an ejector rod is arranged in the guide seat, and an ejector rod lifting air cylinder is vertically arranged on a sliding block. A valve element of the hydraulic valve, an ejector rod and an ejector rod lifting air cylinder are independently arranged from top to bottom, and an ejector rod braking mechanism is further arranged on the guide seat. And the process action and safety requirements of longitudinal beam stamping equipment are met. 一种滑块冲压行程控制装置，它包括设置在液压缸上的液压阀和导向座，在导向座中设置有顶杆，在滑块上垂向设置顶杆升降气缸；液压阀的阀芯，顶杆和顶杆升降气缸自上而下独立布置，在导向座上还设置有顶杆制动机构。满足纵梁冲压设备的工艺动作及安全要求。