A discharging mechanism, comprising: a rotation member, provided with a storage space penetrating through the rotation member; a first end cover, mounted at one end of the rotation member, the first end cover being provided with a feed hole in communication with one end of the storage space; a second end cover, mounted at the other end of the rotation member, the second end cover being provided with a discharge hole in communication with the other end of the storage space, wherein the rotation member is rotatable with respect to the first end cover and the second end cover, and the first end cover and the second end cover are fixed; a first valve module, arranged between the first end cover and the rotation member; a second valve module, arranged between the second end cover and the rotation member; a first guide module, configured to control the first valve module to close or open the feed hole when the rotation member rotates; and a second guide module, configured to control the second valve module to close or open the discharge hole when the rotation member rotates; wherein when one of the first valve module and the second valve module is in an open state, the other of the first valve module and the second valve module is in a closed state; wherein the first guide module comprises a first shaft hole and a first curved groove, wherein the first shaft hole is positioned on an end surface at an end of the first end cover facing towards the rotation member and the first curved groove is positioned on an end surface at an end of the rotation member facing towards the first end cover, or the first shaft hole is positioned on an end surface at an end of the rotation member facing towards the first end cover and the first curved groove is positioned on an end surface at an end of the first end cover facing towards the rotation member; and wherein the first valve module comprises a first baffle, the first baffle is provided with a first rotation shaft and a first guide post, wherein the first rotation shaft is inserted into the first shaft hole and the first rotation shaft is rotatable about an axial line of the first shaft hole, the first guide post is inserted into the first curved groove and the first guide post is slidable along the first curved groove, and when the rotation member rotates, the first shaft hole, the first curved groove, the first rotation shaft, and the first guide post cooperate with each other to control the first valve module to open or close the feed hole; characterized in that the first curved groove comprises a first portion circumferentially extending along the rotation member to define an arc shape, and a second portion extending from an end of the first portion towards a direction distal from a rotation axial line of the rotation member. a rotation member, provided with a storage space penetrating through the rotation member; a first end cover, mounted at one end of the rotation member, the first end cover being provided with a feed hole in communication with one end of the storage space; a second end cover, mounted at the other end of the rotation member, the second end cover being provided with a discharge hole in communication with the other end of the storage space, wherein the rotation member is rotatable with respect to the first end cover and the second end cover, and the first end cover and the second end cover are fixed; a first valve module, arranged between the first end cover and the rotation member; a second valve module, arranged between the second end cover and the rotation member; a first guide module, configured to control the first valve module to close or open the feed hole when the rotation member rotates; and a second guide module, configured to control the second valve module to close or open the discharge hole when the rotation member rotates; wherein when one of the first valve module and the second valve module is in an open state, the other of the first valve module and the second valve module is in a closed state; wherein the first guide module comprises a first shaft hole and a first curved groove, wherein the first shaft hole is positioned on an end surface at an end of the first end cover facing towards the rotation member and the first curved groove is positioned on an end surface at an end of the rotation member facing towards the first end cover, or the first shaft hole is positioned on an end surface at an end of the rotation member facing towards the first end cover and the first curved groove is positioned on an end surface at an end of the first end cover facing towards the rotation member; and wherein the first valve module comprises a first baffle, the first baffle is provided with a first rotation shaft and a first guide post, wherein the first rotation shaft is inserted into the first shaft hole and the first rotation shaft is rotatable about an axial line of the first shaft hole, the first guide post is inserted into the first curved groove and the first guide post is slidable along the first curved groove, and when the rotation member rotates, the first shaft hole, the first curved groove, the first rotation shaft, and the first guide post cooperate with each other to control the first valve module to open or close the feed hole; characterized in that the first curved groove comprises a first portion circumferentially extending along the rotation member to define an arc shape, and a second portion extending from an end of the first portion towards a direction distal from a rotation axial line of the rotation member.