Device for detecting liquid injection amount and retention amount of lithium ion battery

The utility model discloses a lithium ion battery liquid injection amount and inventory detection device which comprises a rack, and a weighing mechanism used for weighing the weight of a battery, a scanning mechanism used for scanning codes on the surface of the battery, a transfer mechanism used for moving the battery and a control mechanism used for controlling the detection device to work are arranged on the rack. The rack comprises a bottom plate, a cross beam transversely arranged above the bottom plate and a vertical frame body for supporting the cross beam, the weighing mechanism is arranged on the bottom plate, and a raw material box, a finished product box and a defective product box are arranged on the two sides of the weighing mechanism respectively; the transferring mechanism is slidably connected to the cross beam. The scanning mechanism is hung in the middle of the cross beam. The transfer mechanism comprises a moving arm assembly stretching up and down, the upper portion of the moving arm asse