Hand-cranked pencil sharpeners believe that everyone is quite familiar, especially at home, there are children in elementary school. Now the hand-cranked pencil sharpener is a must-have for the primary school students. Do you know the principle of the hand-cranked pencil sharpener ? Everyone usually just uses it. As for its principle, it may not have been considered.
From the material point of view, there are plastic, wood, metal, ceramic and so on. Most of the pencil sharpeners are made of plastic, and such pencil sharpeners are more common. And those pencil pens made of ceramics are relatively rare.
It uses 4 1.5V dry batteries to drive a 6V motor to drive the serrated blade, the trapezoidal tooth blade, the full-blade blade, which is cleverly assembled, and placed in a plastic box with only two cigarette cases stacked. The main features are: the special function of the rotary cutter head turns the cutting process into a half-cut and a half-grinding form. Therefore, it is easy and quick to cut. Just turn the pencil into the pencil hole after opening, 2~3 seconds. That is easy to cut.
Hand-cranked pencil sharpener principle : a manual double-hole multi-blade pencil sharpener, including a pencil body knife, a knife body, a knife holder, four cutting core cutters, a transparent upper cover, a tapered cylindrical hole for the pen body, and a cutting The tapered cylindrical hole of the lead core, the chip flute, the tool holder positioning groove and the feeding positioning surface, wherein the pencil body knife is fixedly mounted on the cutter body, and the four cutting core cutters are fixed in the tool holder, and the tool holder is fixed at In the tool holder positioning groove, the transparent upper cover is fixed on the cutter body, and the tool holder is pressed. The utility model has the advantages that the step-by-step curling effect of the pen body and the lead core is good, the lead core is uniformly stressed and is not easy to be broken, the cutting length of the lead core is easy to control, and the radial position of the pencil during the curling process is stable. Multi-function pencil sharpener
This product has just been launched, and its appearance is geometric, and it looks stylish and stylish. The products are specially designed for people from all walks of life and are humanized everywhere. The pencil sharpener can be adjusted in five steps, and the rotary adjuster can adjust the length and length of the refill.
Everyone saw the above content, I believe that everyone has already understood the principle of the hand-cranked pencil sharpener . In fact, the hand-cranked pencil sharpener is still very good, providing a lot of convenience for the current primary school students, and effectively avoiding the use of a small knife. Danger.
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