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A high-strength metamorphic alloy hammer head for a sand making machine

A modified alloy and high-strength technology, applied in the field of high-strength modified alloy hammers for sand making machines, can solve the problems of unsatisfactory mechanical strength of hammers, short service life, and falling off of hammers, so as to improve the connection firmness, The effect of improving the service life and improving the mechanical strength

Active Publication Date: 2021-06-11
ZAOZHUANG SNKSAN INTELLIGENT MACHINERY CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The hammer heads in the existing sand making machines are all fixed by means of engagement. During the high-speed operation of the equipment, the hammer heads are prone to fall off, which poses a great safety hazard. At the same time, the existing hammer heads have limited mechanical strength. Most of the performance is not ideal, the service life is short

Method used

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  • A high-strength metamorphic alloy hammer head for a sand making machine
  • A high-strength metamorphic alloy hammer head for a sand making machine

Examples

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Embodiment 1

[0026] see Figure 1~2 , in an embodiment of the present invention, a high-strength metamorphic alloy hammer head for a sand making machine includes a hammer body 1 with a cuboid structure, and a mounting hole 2 is opened at the center of the hammer body 1; the bottom of the hammer body 1 corresponds to the mounting hole 2 is provided with a plurality of key grooves 3, and the plurality of key grooves 3 are equidistantly arranged on the periphery of the mounting hole 2 along the circumference. The firmness of the connection with the transmission rod of the sand making machine;

[0027] The top of the hammer body 1 is provided with a plurality of positioning components corresponding to the position of the mounting hole 2, and a plurality of positioning components are equidistantly arranged on the periphery of the mounting hole 2 along the circumferential direction. Specifically, the positioning components include snapping Block 41, the engaging block 41 is arc-shaped, the bott...

Embodiment 2

[0031] This embodiment provides a masterbatch for making hammerheads, the masterbatch is composed of the following components according to mass percentage: 0.003% tin, 1.19% manganese, 3.40% sodium chloride, 4.65% chromium, and the balance is iron .

[0032] The preparation method of described master batch comprises the following steps:

[0033] 1) Add 2 times the mass of water to sodium chloride to prepare a sodium chloride solution, then put the iron, tin and sodium chloride solution into the reaction kettle and seal it, and heat it at 450°C for 8 minutes; get the first mixture;

[0034] 2) Put the first mixture into the melting furnace and melt it at 860°C for 20 minutes to obtain the second mixture;

[0035] 3) Add chromium to the second mixture, raise the temperature to 1050°C and continue smelting for 5 minutes while removing slag to obtain the third mixture;

[0036] 4) Add manganese into the third mixture, continue smelting at a temperature of 1050°C for 40 minutes,...

Embodiment 3

[0040] This embodiment provides a masterbatch for making hammerheads, the masterbatch is composed of the following components according to mass percentage: 0.0035% tin, 1.20% manganese, 3.42% sodium chloride, 4.68% chromium, and the balance is iron .

[0041] The preparation method of described master batch comprises the following steps:

[0042] 1) Add 3 times the mass of water to sodium chloride to prepare a sodium chloride solution, then put the iron, tin and sodium chloride solution into the reaction kettle and seal it, and heat it at 550°C for 10 minutes; get the first mixture;

[0043] 2) Put the first mixture into the melting furnace and melt it at 900°C for 25 minutes to obtain the second mixture;

[0044] 3) Add chromium to the second mixture, raise the temperature to 1100°C and continue smelting for 8 minutes, and remove slag at the same time to obtain the third mixture;

[0045] 4) Add manganese into the third mixture, continue smelting at 1100°C for 50 minutes, ...

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Abstract

The invention discloses a high-strength metamorphic alloy hammer head for a sand making machine, relates to the technical field of sand making machine equipment, and mainly solves the problems that the hammer head of a sand making machine is not firmly connected and has low mechanical strength; it includes a cuboid structure The hammer body, the center of the hammer body is provided with a mounting hole; the bottom of the hammer body is provided with a plurality of key grooves at the position corresponding to the mounting hole, and a plurality of the key grooves are equidistantly arranged on the periphery of the mounting hole along the circumferential direction; the The top of the hammer body is provided with a plurality of positioning components at the position corresponding to the mounting hole, and the multiple positioning components are equidistantly arranged on the periphery of the mounting hole along the circumferential direction; the masterbatch of the hammer head is composed of the following components: tin 0.003-0.004 %, manganese 1.19‑1.21%, sodium chloride 3.40‑3.44%, chromium 4.65‑4.75%, and the balance is iron. The invention can greatly improve the firmness of the connection between the hammer body and the transmission rod of the sand making machine; at the same time, the hammer body has high mechanical strength.

Description

technical field [0001] The invention relates to the technical field of sand making machine devices, in particular to a high-strength metamorphic alloy hammer for a sand making machine. Background technique [0002] With the acceleration of economic construction and social development, the demand for sand is also increasing, and the phenomenon of random mining and excavation of river sand continues to appear, and measures to prohibit mining and excavation have been adopted in various places. Therefore, artificial sand making machines should be used The new type of sand making machine (vertical shaft impact crusher) is suitable for crushing soft or medium hard and extremely hard ore materials with a hardness not higher than 320Pa. Sand making machines are widely used in large, smelting, building materials, roads, railways , water conservancy and chemical industry and many other sectors. The hammer head is a sand making machine with integral structure, and the hammer head is d...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B02C13/28C22C38/18C22C38/04C22C33/04C21D1/26
CPCB02C13/28C21D1/26C22C33/04C22C38/002C22C38/008C22C38/04C22C38/18
Inventor 马驰孙启祥孙法虎
Owner ZAOZHUANG SNKSAN INTELLIGENT MACHINERY CO LTD
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