Tank-cover-free type forevacuum heat treatment furnace

A heat treatment furnace and pre-vacuum technology, applied in heat treatment furnaces, heat treatment baths, bell-type furnaces, etc., can solve the problems of low efficiency, poor effect, difficulty in dealing with large-scale, large-volume material heat treatment, etc., to improve uniformity The effect of ensuring the effect of heat treatment

Pending Publication Date: 2022-04-29
浙江精瑞工模具有限公司
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  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In order to solve the problems that existing heat treatment furnaces are difficult to deal with heat treatment of large-scale and large-volume materials, and there are obvious problems such as low efficiency and poor effect, the present invention provides a tankless cover type pre-vacuum heat treatment furnace

Method used

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  • Tank-cover-free type forevacuum heat treatment furnace
  • Tank-cover-free type forevacuum heat treatment furnace
  • Tank-cover-free type forevacuum heat treatment furnace

Examples

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Embodiment

[0057] a kind of like figure 1 , figure 2 and image 3 The shown tankless cover type pre-vacuum heat treatment furnace specifically includes:

[0058] The furnace bottom 100 and the furnace cover 200 are two parts. The furnace cover 200 is detachably covered on the upper end of the furnace bottom 100 to form a closed space λ, and the closed space λ is used to store metal or alloy workpieces and plates to be heat treated;

[0059] The furnace bottom 100 includes two parts, a substrate 101 and a furnace lining 103. The furnace lining 103 is fixed on the upper end of the substrate 101 and the edge of the substrate 101 extends beyond the edge of the furnace lining 103, that is, the vertical projection of the furnace lining 103 falls into the substrate completely. 101, forming an overall gradient structure;

[0060]The outer periphery of the edge of the substrate 101 is fixedly provided with a support base 102, and the support base 102 is used to receive and install the furnace...

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Abstract

The invention belongs to the field of metallurgical equipment, and particularly relates to a tank-cover-free type forevacuum heat treatment furnace. Comprising a furnace bottom and a furnace cover detachably mounted on the furnace bottom, and a closed space is formed after the furnace cover covers the furnace bottom; the furnace bottom is composed of a substrate and a furnace lining which is arranged above the substrate and completely located within the range of the substrate, a heating body is arranged on the furnace lining, and a supporting bottom is further arranged on the periphery of the substrate; the furnace cover is composed of an outer cover and a lining, a heating piece is arranged on the inner side wall of the lining, and after the furnace cover is closed, the outer cover is buckled downwards to abut against the supporting bottom. The furnace cover is provided with an exhaust valve used for vacuumizing, and the exhaust valve is externally connected with a vacuum pump to work, so that vacuumizing treatment of the heat treatment furnace is achieved. According to the invention, large-batch plate heat treatment can be quickly and efficiently realized, the size of the furnace body can be adjusted according to actual use requirements, and heat treatment of materials with different specifications and sizes can be realized.

Description

technical field [0001] The invention belongs to the field of metallurgical equipment, in particular to a tankless cover type pre-vacuum heat treatment furnace. Background technique [0002] Heat treatment furnace refers to the electric furnace or fuel furnace used for heat treatment and heating of charge. Commonly used heat treatment furnaces include box-type resistance furnaces, well-type resistance furnaces, gas carburizing furnaces, and salt bath furnaces. Usually a continuous furnace is used, and the workpiece is continuously loaded from the charging door, passes through the furnace, and is continuously discharged from the discharging door. The commonly used method of conveying in the furnace is to load the workpiece on the heat-resistant steel guide rail and move it with a step-by-step moving beam or push rod. [0003] However, in the process of actual production and use, with the strengthening of customization requirements and the increasing market demand for large-s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C21D1/773C21D1/46C21D1/74C21D9/00C23C8/20F27B11/00F27D1/18F27D1/00F27D7/06F27D11/02F27D99/00
CPCC21D1/773C21D9/0081C21D1/46C21D9/0006C21D1/74C23C8/20F27B11/00F27D1/18F27D1/0043F27D7/06F27D11/02F27D99/0073F27D2007/066
Inventor 卢逸夫潜晓征卢建东卢定波卢启迪
Owner 浙江精瑞工模具有限公司
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