Bulb shell plate positioning detection mechanism

The utility model discloses a bulb shell plate positioning detection mechanism, and relates to the technical field of battery modules. The mechanism is used for detecting the placing direction of a bulb shell plate and comprises a stop piece, a notch profiling piece, a driving piece and a detection assembly. The stop piece is arranged in front of the bulb shell plate and used for limiting the bulb shell plate. The notch profiling piece is fixed to the stopping piece and provided with an alignment part matched with a notch of the bulb shell plate, when the notch of the bulb shell plate is aligned with the alignment part, the bulb shell plate is located at the first placing position, and when the notch of the bulb shell plate is not aligned with the alignment part, the bulb shell plate is located at the second placing position. The driving piece is used for driving the stopping piece to do reciprocating motion so as to keep or release limiting of the bulb shell plate. The detection assembly is in signal connect