Improved trunk injection machine

The utility model discloses an improved trunk injection machine which comprises a shell, the top end of the shell is connected with a pesticide feeding mechanism, the top end of the inner wall of the shell is connected with a switching mechanism, one end of the shell is connected with a punching mechanism, one side of the switching mechanism is connected with a pressing mechanism, and the bottom end of the shell is connected with a handle. The medicine feeding mechanism comprises a connecting seat, one end of the connecting seat is connected with a flow control valve, the top end of the connecting seat is connected with a medicine bottle, and the bottom end of the connecting seat is communicated with the switching mechanism. According to the utility model, the operation steps are effectively reduced, the working efficiency is improved, the manpower consumption is effectively reduced, the working time is shortened, the structure is simple, and the use is convenient. 本实用新型公开了一种改进的树干注射机，包括壳体,所述壳体顶端连接设置有进药机构，所述壳体