Pencil lead sharpening box
A sharpening and pen refill technology, applied in sharpening devices, machine tools suitable for grinding the edge of workpieces, printing, etc., can solve the problems of pencil shavings affecting the painting environment, potential safety hazards, and easy thickening of the pen tip to achieve structural Simple, easy to manufacture, lightweight effect
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[0016] A pen core sharpening box includes a base 1, an upper cover 2 and a sharpening plate. The base is provided with a buckle, and the upper cover is provided with a slot matching the buckle, and the base and the upper cover are connected through the buckle and the slot.
[0017] The base is provided with a cavity 5 for storing chips, and the lead grinding plate is arranged on the inner middle part of the loam cake, and the lead grinding plate is composed of a fine sand grinding lead plate 3 and a coarse sand grinding lead plate 4 from top to bottom.
[0018] The inside of loam cake 2 is provided with wiping cloth 6, and wiping cloth is arranged on the lead grinding plate top, and wiping cloth 6 is glued and connected with loam cake inboard.
[0019] Also be provided with hairbrush 7, loam cake is provided with hairbrush insertion hole 8, the orifice of hairbrush insertion hole is arranged on the side wall of loam cake 7, and hairbrush is placed in hairbrush insertion hole. ...
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