Dowel bar and driving apparatus

Abstract

The utility model belongs to the technical field of battery production equipment, disclose a kind of press nail rod and nailing device. Press nail rod includes the function section and sealing section being connected with each other, the outer circumferential surface of function section is recessed with the gas guide groove being set along the length direction of press nail rod, gas guide groove penetrates the end face of function section away from sealing section, the end face of function section away from sealing section of press nail rod is used to be in contact with glue nail. By recessing the gas guide groove being set along the length direction of press nail rod in the outer circumferential surface of function section, when vacuumizing or injecting helium in battery injection port, gas guide groove can be used as gas guide channel;When vacuumizing in battery injection port, electrolyte is sucked out from battery, electrolyte is hung on the groove wall of gas guide groove, the viscous force between electrolyte and the groove wall of gas guide groove and the gravity of electrolyte are balanced, prevent electrolyte drop, avoid falling to battery surface, influence battery surface cleanliness. Nailing device includes helium return nozzle, drive part and press nail rod installed in helium return nozzle.

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