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Compressing mechanism of biomass forming machine with flat die

A compression mechanism and forming machine technology, applied in the direction of material forming presses, presses, manufacturing tools, etc., can solve the problem of secondary crushing and forming of unfavorable pressure rollers, poor biomass grabbing ability, and shutdown of forming machines, etc. problems, to achieve excellent molding effect, enhanced grabbing force, and uniform wear

Inactive Publication Date: 2015-03-25
HEFEI UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Compared with the cone pressure roller, the direct pressure roller is easy to wear, uneven wear, poor forming effect, short service life, etc.
At present, the tooth shape of the pressure roller is mainly trapezoidal and square. In actual work, high-density biomass is easily blocked between the tooth grooves, resulting in poor biomass capture ability, which is not conducive to the secondary crushing and forming of the pressure roller. Easy to slip will cause the most failure of the molding machine

Method used

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  • Compressing mechanism of biomass forming machine with flat die
  • Compressing mechanism of biomass forming machine with flat die

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] Such as figure 1 and figure 2 As shown, a compression mechanism of a biomass flat die molding machine includes a pressure roller 1 and a flat die 2. The outer surface of the pressure roller 1 is provided with a tooth shape 4, and the flat die 2 is provided with a forming hole 3, and the forming hole 3 runs through the flat die. The upper and lower sides of the mold 2 are characterized in that the forming holes 3 on the flat mold 2 are distributed according to a circular triangle, and the openings of the flat mold 2 are distributed in a circular, uniform, and equilateral triangle distribution, which is maintained under the premise of effectively increasing the opening ratio. The strength of the flat die 2 remains unchanged; the pressure roller 1 is a small helical bevel pressure roller, which is beneficial to further reduce the uneven wear of the pressure roller 1, and at the same time enhance the grabbing force of the pressure roller 1 and the secondary rolling effect ...

Embodiment 2

[0024] Such as figure 1 and figure 2 As shown, a compression mechanism of a biomass flat die molding machine includes a pressure roller 1 and a flat die 2. The outer surface of the pressure roller 1 is provided with a tooth shape 4, and the flat die 2 is provided with a forming hole 3, and the forming hole 3 runs through the flat die. The upper and lower sides of the mold 2 are characterized in that the forming holes 3 on the flat mold 2 are distributed according to a circular triangle, and the openings of the flat mold 2 are distributed in a circular, uniform, and equilateral triangle distribution, which is maintained under the premise of effectively increasing the opening ratio. The strength of the flat die 2 remains unchanged; the pressure roller 1 is a small helical bevel pressure roller, which is beneficial to further reduce the uneven wear of the pressure roller 1, and at the same time enhance the grabbing force of the pressure roller 1 and the secondary rolling effect ...

Embodiment 3

[0031] Such as figure 1 and figure 2 As shown, a compression mechanism of a biomass flat die molding machine includes a pressure roller 1 and a flat die 2. The outer surface of the pressure roller 1 is provided with a tooth shape 4, and the flat die 2 is provided with a forming hole 3, and the forming hole 3 runs through the flat die. The upper and lower sides of the mold 2 are characterized in that the forming holes 3 on the flat mold 2 are distributed according to a circular triangle, and the openings of the flat mold 2 are distributed in a circular, uniform, and equilateral triangle distribution, which is maintained under the premise of effectively increasing the opening ratio. The strength of the flat die 2 remains unchanged; the pressure roller 1 is a small helical bevel pressure roller, which is beneficial to further reduce the uneven wear of the pressure roller 1, and at the same time enhance the grabbing force of the pressure roller 1 and the secondary rolling effect ...

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Abstract

The invention discloses a compressing mechanism of a biomass forming machine with a flat die. The compressing mechanism comprises a pressing die and the flat die. The outer circle surface of the pressing roller is provided with teeth, forming holes are formed in the flat die and penetrate through the upper face and the lower face of the flat die, and the forming holes in the flat die are distributed in a triangle circumferentially. The pressing roller is a small skewed bevel pressing roller, the teeth of the skewed bevel pressing roller are in a trapezoid shape, tooth spaces are U-shaped grooves, the width of each tooth of the pressing roller is smaller than the diameter of the corresponding forming hole, and the thickness of each tooth of the pressing roller is larger than the distance between every two teeth of the pressing roller. Compared with the prior art, the compressing mechanism has the advantages that the conversion rate is high, the yield is high, the product density is high, abrasion is even, and the compressing mechanism can be used for forming various biomasses such as corn stalks, wheat straws, rice husks, peanut shells and the like and is suitable for rural families.

Description

technical field [0001] The invention relates to the technical field of biomass molding, in particular to a compression mechanism of a biomass flat die molding machine. Background technique [0002] Biomass compact compression molding technology is to compress various biomass raw materials, mainly crop straw, wheat straw, cotton stalks, forest processing waste, sawdust, etc., through crushing, drying, mechanical pressing and other steps to compress the dispersed biomass raw materials Compress the molded fuel densely into a molded fuel with a certain geometric shape and high density. It has the following advantages: high calorific value, good combustion performance, no harmful gas generated during combustion, less ash content, is a renewable energy source, and is easy to carry out commercial production and sales. In recent years, countries all over the world have generally carried out the application and research of biomass compaction technology, and achieved remarkable resul...

Claims

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Application Information

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IPC IPC(8): B30B11/00B30B15/02
CPCB30B11/228
Inventor 邢献军胡运龙马培勇李涛李慧孙亚栋
Owner HEFEI UNIV OF TECH