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Blade component for shredder

A paper shredder and blade technology, applied in the direction of knives, grain processing, household appliances, etc., can solve the problems of high cost, high torque, high power of the whole machine, etc.

Inactive Publication Date: 2008-07-09
东莞皇利电器有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] The production methods of the above-mentioned various blades can only crush the shredded paper into a rectangular shape as shown in Figure 3. The side of the blade used for shredded paper is flat, and its thickness does not change. The width of the paper to be cut horizontally by the blade tip Equal to the thickness of the blade, so the shredder requires a large torque at the cross-section of the cutting blade, the power required for the whole machine is large, and the cost is also high

Method used

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  • Blade component for shredder
  • Blade component for shredder
  • Blade component for shredder

Examples

Experimental program
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Effect test

Embodiment approach 1

[0043]As shown in Figure 10, in this production method, each shredding blade 2 in the blade assembly is formed by a pair of metal stamping blade monomers 22 facing each other, and the sharp surface formed by stamping each blade monomer is on the outside of the blade, The same is true at the knife point 221, so as to be beneficial to utilize this noodle to cut, puncture, and cut off the paper. During installation, the blade 2 formed by the stacked blade units 22 can be sleeved on the cutter shaft through the spacer 222 so as to form a stable distance between the blades. Or as shown in Figure 11, the flange 223 stamped and formed by the blade unit 22 itself forms a uniform interval between the two blades, and the knife tips are distributed and repeated on the entire knife shaft in a staggered manner, so that the entire shredding knife set is formed. . Another advantage of this design method is that we can use thinner metal sheets to make them firm and fit inside by stamping bos...

Embodiment approach 2

[0045] See Fig. 13, the blade 2 of the present embodiment is made of a metal blank slightly larger than itself, through turning, milling, grinding and other processing techniques to make the blade turn sharp and the integral blade 23 with a sharp tip. This integral blade 23 Also can make boss 231 on its two sides or one side, as shown in Figure 14, just can form the required interval between the blades on the opposite cutter assembly of the above-mentioned embodiment without interval.

Embodiment approach 3

[0047] See Fig. 14, in this embodiment, the blade 2 and the cutter shaft 3 are designed as an integral blade assembly 30, and the blade assembly 30 consists of a round rod slightly larger than the outer diameter of the blade 2, which is integrated through multiple processes such as turning and milling. processed out. Of course, the sharp sides of the blade 2, the sharp tip and the edge of the tip are also processed together. In the blade assembly 30 processed in this way, the distance between the blades 2 has been processed and set, so this method does not need a spacer.

[0048] The present invention is based on the paper shredding principle of a paper shredder, and the outer contour of the blade 2 can not only be circular, but also can be made into an ellipse, a quasi-circle, or a sealed ring. In addition, in order to better shred the shredded paper with the rotation of the two blade components, the periphery of the blade can be made into small teeth as shown in Figures 7, ...

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Abstract

The invention relates to the technology field of a shredder, in particular to a blade subassembly that can reduce torque output. The blade subassembly comprises a cutter shaft and a blade installed on the cutter shaft. The width of the disk-shaped blade gradually varies with the rim of a disk. So the thickness of the blade has unequal design and the blade is provided with a knifepoint. The knifepoint is positioned at the position of minimum thickness. Adopting the technical proposal, the width of the blade of the invention is unequal. As a result, the width of the paper varies as the blade turns and the paper is laterally cut at the position with narrower width. As the paper is laterally cut at the position with narrower width, the torque of paper-cutting is greatly reduced, thus greatly reducing the cost of the shredder. In addition, the shape of scraps of paper is no longer rectangle. The shape of scraps of paper varies as the shape of blade changes, which is formed into diamond, triangle, S-shape, leave-shape and other shapes, thus meeting different confidentiality requirements.

Description

Technical field: [0001] The invention relates to the technical field of paper shredder products, in particular to a blade assembly capable of reducing the output torque of a paper shredder. Background technique: [0002] Improper collection of discarded manuscript paper will bring a lot of trouble to our work, and even cause serious consequences for business safety. In the past, the method of incineration was used for collection, which not only required a site for incineration, but also caused serious air pollution. In order to change this situation, various paper shredders have come out. [0003] The internal structure of the shredding part of the traditional paper shredder is generally driven by a motor to drive a series of transmission transmission mechanisms to output lower speed, higher torque, and at least two pairs of shredding blades. See Fig. 1, 2, this is the blade assembly of a kind of crushing type paper shredder at present, wherein blade 1 is generally disc-sh...

Claims

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Application Information

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IPC IPC(8): B02C18/18B21D53/64B23P15/40
Inventor 黄崇渊
Owner 东莞皇利电器有限公司
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