Split type proppant bag breaking device

The utility model provides a split type proppant bag breaking device which comprises a detachable outer frame and an inner core, and when bag breaking operation is not needed, the outer frame is independently used as a safety accessory component of a sand tank guardrail; when bag breaking operation is needed, the inner core and the outer frame are assembled and combined for use, a lifted proppant bag is broken through the inner core blade, filling is conducted by means of downward pressing of the gravity of the proppant, and finally the proppant bag enters a sand tank. According to the utility model, the integration of functions of the sand tank guardrail and the bag breaking device is realized, and the oilfield construction safety requirement and the bag breaking function requirement are met; the field use effect is good, and the construction equipment cost of petroleum production increasing operation is greatly reduced; and the outer frame, the inner core and the whole can realize free assembly of the crane