High chromium crushing wall and assembly for cone sand making machine

A crushing wall and sand making machine technology, applied in the direction of grain processing, etc., can solve the problems that the crushing wall and the crushing wall assembly cannot be manufactured, there is no way to slow the release of the crushing wall, and the service life is short, so as to solve the problem of being vulnerable to impact Effects of breakage, reduced usage cost, and extended service life

Active Publication Date: 2011-12-28
ZHEJIANG SHUANGJIN MACHINERY HLDG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this method cannot be used in the manufacture of the crushing wall and the crushing wall assembly in the cone sand making machine. There is no way to slow down t

Method used

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  • High chromium crushing wall and assembly for cone sand making machine
  • High chromium crushing wall and assembly for cone sand making machine
  • High chromium crushing wall and assembly for cone sand making machine

Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0012] Example 1: Refer to the attached figure 1 . A special high-chromium crushing wall for a cone-type sand making machine, which includes a crushing wall assembly. The crushing wall 1 is made of high-chromium white anti-wear cast iron with a chromium content equal to or greater than 9% and equal to or less than 32%, That is, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, and including two integers The decimal point between.

Example Embodiment

[0013] Example 2: Refer to the attached Figure 1-2 . A special high chromium crushing wall assembly for a cone-type sand making machine, which includes a crushing wall and a crushing wall backing plate. The gap filling layer between the high chromium white anti-wear cast iron crushing wall 1 and the crushing wall backing plate 3 is Zinc alloy layer 2. A plurality of pouring troughs 4 for pouring zinc alloy are opened on the matching surface of the broken wall 1 and the broken wall backing plate 3. The broken wall backing plate 3 is made of high manganese steel. A plurality of pouring troughs 4 for pouring zinc alloy are opened on the mating surface of the broken wall backing plate 3 and the high chromium white anti-wear cast iron broken wall 1.

Example Embodiment

[0014] Embodiment 3: On the basis of Embodiments 1 and 2, the gap filling layer between the broken wall backing plate 3 and the movable cone 5 is a zinc alloy layer 2. A plurality of pouring troughs 4 for pouring zinc alloy are opened on the anastomosing surface of the broken wall backing plate 3 and the movable cone 5.

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PUM

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Abstract

The invention relates to a special high-chromium crushing wall and assembly for a cone sand making machine, which uses high-chromium white anti-wear cast iron for the production of the crushing wall of the cone sand making machine, which improves the anti-wear performance of the crushing wall several times. It includes a crushing wall assembly, and the material of the crushing wall is high-chromium white wear-resistant cast iron, and its chromium content is equal to or greater than 9% and equal to or less than 32%. Advantages: First, the wear resistance of the broken wall is greatly improved, and its wear resistance is about 5 times that of the current high manganese steel broken wall. Not only the service life is greatly extended, but the user's use cost is also greatly reduced; The structure improves the impact resistance of the high-chromium white wear-resistant cast iron crushing wall, effectively slows down the impact force on the high-chromium white wear-resistant cast iron crushing wall, and solves the high-chromium white wear-resistant cast iron crushing wall. Defects that are vulnerable to impact.

Description

technical field [0001] The invention relates to a high-chromium crushing wall and a special high-chromium crushing wall for a cone-type sand-making machine, which uses high-chromium white anti-wear cast iron in the production of the crushing wall assembly in the cone-type sand making machine, so that the anti-wear performance of the crushing wall is improved several times. The assembly belongs to the manufacturing field of the crushing wall assembly of the cone type sand making machine. Background technique [0002] The 3c-21cr high cast iron, which is currently in the theoretical research stage, is combined with various hammer heads for crushers to combine 3c-21cr high-chromium cast iron with various carbon steels (including 45# cast steel, 35# cast steel, and 30# cast iron) Steel), high manganese steel, low alloy steel and other bimetal composite hammer. The "two-liquid" bimetal composite casting process and the heat treatment process of bimetal castings used in the resea...

Claims

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Application Information

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IPC IPC(8): B02C2/00
Inventor 胡祖尧
Owner ZHEJIANG SHUANGJIN MACHINERY HLDG
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