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Split moving blade holder of single-shaft shredder and manufacturing method thereof

A shredder and split-type technology, which is applied to the split-type movable knife seat of a single-shaft shredder and its manufacturing field, can solve the problems of long disassembly time, high labor intensity, damage, etc., so as to reduce potential safety hazards and prolong service life. , the effect of reducing friction

Inactive Publication Date: 2019-10-22
马鞍山恒隆机械科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] Aiming at the problems of damage to the moving knife shaft of the existing single-shaft shredding, long disassembly time and high labor intensity, the present invention provides a split-type moving knife seat of a single-shaft shredder, and the replacement of the moving knife seat does not require overall disassembly, disassembly Less maintenance personnel, and the time used is short, reducing labor intensity and improving work efficiency

Method used

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  • Split moving blade holder of single-shaft shredder and manufacturing method thereof
  • Split moving blade holder of single-shaft shredder and manufacturing method thereof
  • Split moving blade holder of single-shaft shredder and manufacturing method thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0039] Such as Figure 1-4 As shown, a single-shaft shredder split-type movable knife seat in this embodiment includes a knife seat body 100, and a mounting hole 110 is provided on the knife seat body 100 along the central axis, and the diameter of the mounting hole 110 is the same as the diameter of the knife shaft. The fit is generally interference fit; the diameter of the mounting hole 110 is 1 / 2-3 / 5 of the diameter of the tool holder body 100, and the specific ratio of 1 / 2 is the best. From the perspective of dynamic balance, it can Make the stability of the moving knife seat the best. Similarly, a large number of experiments have proved that when the ratio is 0.6, the dynamic balance is also better.

[0040] In this example, if figure 2 and image 3 As shown, at least one positioning groove 120 is provided on the inner surface of the mounting hole 110, and the cross-sectional shape of the positioning groove 120 is rectangular, trapezoidal or arc-shaped. What this embo...

Embodiment 2

[0051] This embodiment provides a method for manufacturing a split-type movable knife seat of a single-shaft shredder, including the following specific steps:

[0052] Step S101, select 20Cr, 20Mn2B, 20MnVB or 20CrMnTi plate for preliminary cutting into a blank slightly larger than the finished product size of the tool holder body 100, leaving a machining allowance of at least 2mm; 20Cr is selected in this embodiment, and the material has better The surface is resistant to wear, has high strength, and is conducive to processing;

[0053] Step S102, using laser cutting to process the installation hole 110 and the positioning groove 120 at the set position, for example, for a movable knife seat with a diameter of 500mm, the diameter of the installation hole 110 is 250mm, the cross-sectional shape of the positioning groove 120 is rectangular, and the width is 50mm, and The surface of the positioning groove 120 is oiled and baked, which can enhance the smoothness of the positionin...

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Abstract

The invention discloses a split moving blade holder of a single-shaft shredder and a manufacturing method thereof, and belongs to the technical field of shredder equipment. The split moving blade holder comprises blade holder bodies, wherein a mounting hole is formed in each blade holder body along the central axis of the blade holder body; at least one positioning groove is formed in the inner side surface of each mounting hole; the thickness of each blade holder body is 10-20 cm; and 3-6 blade mounting units are arranged at intervals along the circumferential direction of each blade holder body. According to the type of the shredder or the length of a shredder shaft, the split moving blade holder is generally assembled and synthesized by 10-60 pieces of single moving blade holder insteadof welding the moving blade holders, 3-6 blade mounting units are machined on the single moving blade holder, blades are directly and fixedly mounted on the single moving blade holder through hexagonscrews, and each single moving blade holder can be disassembled and assembled conveniently and rapidly instead of disassembling the moving blade holder integrally to replace the moving blade holder.

Description

technical field [0001] The invention belongs to the technical field of shredder processing equipment, and more specifically relates to a split-type movable knife seat of a single-shaft shredder and a manufacturing method thereof. Background technique [0002] The single-axis shredding moving knife bases currently used are all welded on the shaft of the overall structure to rotate 360 ​​degrees, and then form the moving knife shaft, and the blade is fixed on the moving knife base with hexagon socket screws. It is difficult and demanding to install the moving knife on the shaft. According to different models, the number of blades generally installed is 30-300. If only one moving knife seat is damaged, the production capacity will drop by more than 30%. In severe cases, the entire moving knife must be replaced. Shaft, and it takes a long time to disassemble and assemble, which poses a great safety hazard. It takes three maintenance personnel about four hours to replace the movi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B02C18/18B23P15/00
CPCB02C18/18B23P15/00
Inventor 赵其丙
Owner 马鞍山恒隆机械科技有限公司