Linear reciprocating type lifting device

The utility model discloses a linear reciprocating type lifting device. The lifting device comprises a framework, a workbench, a support column, a support plate, a guide mechanism, a transmission mechanism, a driving mechanism and a detection and control system, wherein the framework is an hollow structure enclosed by a top plate, a bottom plate and side plates, one end of the support column penetrates through the top plate of the framework and is fixedly connected with the workbench, the other end of support column is fixedly connected with the support plate, one end of the guide mechanism is installed on the support plate, the other end of the guide mechanism is installed on the framework, one end of the transmission mechanism penetrates through the center of the support plate in an engaging mode and is pivoted to the top plate of the framework, the other end of the transmission mechanism is connected with the driving mechanism, both the transmission mechanism and the guide mechanism are contained in the framework, the driving mechanism is electrically connected with the detection and control system, the detection and control system controls the driving mechanism, the driving mechanism drives the transmission mechanism to drive the workbench to do linear reciprocating motion, and the guide mechanism guides the workbench to do linear movement. The utility model aims at providing a linear reciprocating type lifting device which has the advantages of high stability, high collimation, low noise and high driving accuracy and is applicable to raising and lowering finished products or workpieces on the automatic production line.