A crayon cutter having a housing and a cutter positioned in the housing. The housing defines a first opening configured to receive a crayon and a second opening. The cutter is configured for actuation to cut a portion of the crayon off of the remainder of the crayon. The cutter is positioned in the housing so that the portion of the crayon passes through the second opening after it is cut off of the remainder of the crayon.

A pencil feeding mechanism and a pencil sharpener provided with the pencil feeding mechanism are provided. The pencil feeding mechanism includes a driving apparatus and a pencil clamping apparatus, where the driving apparatus is connected to the pencil clamping apparatus, and the driving apparatus is capable of driving the pencil clamping apparatus to work. The pencil clamping apparatus includes a support, three pencil clamping roller assemblies are disposed on the support, and a triangular pencil clamping region capable of being inserted by a pencil is formed among the three pencil clamping roller assemblies. One end of each of the pencil clamping roller assemblies is rotatably connected to the support, and the other end of the each of the pencil clamping roller assemblies is slidably connected to the support. A clamping assembly is disposed between a movable end of the each pencil clamping roller assembly and the support.

A pencil clamping mechanism for a pencil sharpener includes a support, at least two pencil clamping roller assemblies are disposed on the support, and a pencil clamping area for a pencil to be inserted in is formed between the pencil clamping roller assemblies; one end of the pencil clamping roller assembly is rotatably connected on the support, and the other end of the pencil clamping roller assembly is connected on the support in a sliding mode; a ball head is disposed at one end of the pencil clamping roller assembly, an embedding groove matched with the ball head is disposed on the support, and the ball head is rotatably connected in the embedding groove.