Paper shredder cutter and processing method thereof

Abstract

The invention discloses a cutting tool of a paper shredder. The cutting tool comprises a cutter shaft and blades, wherein the blades are arranged on the cutter shaft at certain intervals; the space between every two blades is provided with a metal spacing ring; and the metal spacing rings are formed by rolling and cutting metal strips. Compared with the prior art, the invention has the advantages that: on one hand, the metal spacing rings are arranged between every two blades at intervals, and the cutting tool has high rigidity and uniform thickness, so that the cutting tool of the paper shredder is firmer integrally and is difficult to deform; and on the other hand, the metal spacing rings are formed by rolling and cutting the metal strips, so that the cutting tool is easy to process, has low cost, small tolerance fluctuation and high consistency and does not generate waste materials during processing. The invention also discloses a corresponding processing method for the cutting tool of the paper shredder.

Description

Technical field [0001] The invention relates to a cutter, in particular to a paper shredder cutter and a processing method. Background technique [0002] In the corporate office, many used and obsolete paper, because the information recorded above is a corporate secret, in order to prevent others from obtaining the information recorded on the document, the paper needs to be shredded, so the paper shredder came into being. Traditional paper shredders generally include two knife shafts and several pairs of shredder blades fixed on the knife shafts. When shredding paper, a series of speed-changing mechanisms are driven by a motor to transmit a lower speed and larger torque to the knife shaft to rotate the two knife shafts. When the paper passes between the two rotating knife shafts, the two knife shafts squeeze the paper. Thus, the waste paper is cut into thin strips or shreds. [0003] We know that when the existing shredder cutter is installed, the blade and the surface of the cut...

AI Technical Summary

Problems solved by technology

However, the spacer rings used in the shredder cutters of the prior art are generally plastic molds produced in sets of moulds, which have poor rigidity, and because of the mass production of moulds, there will be problems such as poor workmanship and different sizes.

[0004] On the other hand, the existing spacer rings are generally made by injection molding with molds, which not only has complicated manufacturing process and high cost, but also causes wear and tear of the molds and short service life due to long-term production, which further increases the cost; moreover, this processing The method is also the inevitable generation of waste during the processing of the spacer ring, wasting resources

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