The utility model relates to a dropout press device and use device's cubical switchboard, the dropout press device includes the mounting bracket, and the mounting bracket has the driving side and presses the side, and the driving side direction of mounting bracket is equipped with the horizontal pole, and the side direction of pressing of mounting bracket is equipped with jacked piece, the dropout press device still including set up the mounting bracket press the side and with the end connection's of horizontal pole kicking block, kicking block have be used for when the horizontal pole removes with the jacked piece contact promotes the roof pressure face that jacked piece moved down, during the use, the horizontal pole drives the kicking block translation, and the kicking block relies on the roof pressure face on the kicking block to promote jacked piece and moves down, and jacked piece produces the effort to trip gear, and then realizes threading off, compare in current trip gear, the utility model has the advantages of simple structure, relative operation relation between the driving medium is clear and definite, and it is lower to manufacture the degree of difficulty.