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A kind of cutting tool vacuum heat treatment equipment and process

A technology of vacuum heat treatment and vacuum heat insulation, which is applied in the field of tool processing, can solve the problems affecting the surface quality of ring tools and the surface damage of ring tools, and achieve the effect of improving surface quality, good surface quality and uniform heating

Active Publication Date: 2021-09-03
南京红宝机械刀具有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, since the tool needs to be heat treated after forging, if the ring tool is placed and heat-treated improperly during the process of transporting the ring tool to the heat treatment equipment and heat treatment of the ring tool, it will cause damage to the ring tool. Surface damage, which in turn affects the surface quality of ring cutters

Method used

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  • A kind of cutting tool vacuum heat treatment equipment and process
  • A kind of cutting tool vacuum heat treatment equipment and process
  • A kind of cutting tool vacuum heat treatment equipment and process

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0049] The invention discloses a tool vacuum heat treatment equipment, such as figure 2 As shown, it includes a vacuum furnace body 1, a vacuum insulation chamber 11 arranged in the vacuum furnace body 1, a vacuum insulation door 12 arranged on one end of the vacuum furnace body 1, a heating device 13 arranged on the vacuum furnace body 1, a cooling The device 14 and the vacuum unit 15, after opening the vacuum insulation door 12, put the annular cutter 8 into the vacuum insulation chamber 11, then close the vacuum insulation door 12, start the heating device 13 and the vacuum unit 15, and heat-treat the annular cutter 8; After the heat treatment, start the cooling device 14 and the vacuum unit 15, adjust the pressure in the vacuum insulation chamber 11, and cool the annular cutter 8, after cooling, open the vacuum insulation door 12, and take out the annular cutter 8.

[0050] Such as figure 2 and image 3 As shown, in this embodiment, a sitting bed 2 is also installed in...

Embodiment 2

[0059] A tool vacuum heat treatment process, comprising the following steps:

[0060] Ring cutter 8 cleaning:

[0061] Use cleaning agent (HQ-156 cleaning agent sold by Dongguan Haoquan Chemical Co., Ltd.) to clean the dirt on the surface of the ring cutter 8. The ring cutter 8 is forged from W18Cr4V high-speed steel;

[0062] Ring cutter 8 frame:

[0063] According to the size of ring cutter 8 specifications, adjust material frame 4 to place cavity 45 size, the straight side wall end of ring cutter 8 is placed on the base plate 41 of material frame 4 and the flat bearing surface of placement plate 42, the inner of ring cutter 8 The ring wall is sleeved on the outside of the main support column 43 or the auxiliary support column 44, wherein the material frame 4 and the ring cutter handle are made of the same material, and the inner ring wall of the ring cutter 8 is 8 cm away from the outer wall of the main support column 43 or the auxiliary support column 44 ;

[0064] Ring...

Embodiment 3

[0069] A tool vacuum heat treatment process, comprising the following steps:

[0070] Ring cutter 8 cleaning:

[0071] Use cleaning agent (HQ-156 cleaning agent sold by Dongguan Haoquan Chemical Co., Ltd.) to clean the dirt on the surface of the ring cutter 8. The ring cutter 8 is forged from W18Cr4V high-speed steel;

[0072] Ring cutter 8 frame:

[0073] According to the size of ring cutter 8 specifications, adjust material frame 4 to place cavity 45 size, the straight side wall end of ring cutter 8 is placed on the base plate 41 of material frame 4 and the flat bearing surface of placement plate 42, the inner of ring cutter 8 The ring wall is sleeved on the outside of the main support column 43 or the auxiliary support column 44, wherein the material frame 4 and the ring cutter handle are made of the same material, and the inner ring wall of the ring cutter 8 is 8 cm away from the outer wall of the main support column 43 or the auxiliary support column 44 ;

[0074] Ring...

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Abstract

The invention relates to a tool vacuum heat treatment equipment and process, which relates to the technical field of tool processing, and aims to solve the problem that the existing annular tool is prone to wear and lower surface quality during the heat treatment process; the heat treatment equipment includes a vacuum furnace body, a vacuum Insulation room, vacuum insulation door, heating device, cooling device and vacuum unit. There is a sitting bed in the vacuum furnace body, and a rail groove is arranged on the sitting bed. The rail groove extends along the length of the vacuum furnace body. The sitting bed is equipped with a material frame. , the material frame is provided with outriggers and walking wheels, the bottom wall of the rail groove is slidingly provided with support plates, and the sitting bed is provided with automatic pressing parts and lifting reset parts; the heat treatment process includes ring tool cleaning, ring tool framing , Annular cutter furnace, heat treatment, cooling. The invention enables the ring cutter to be stably transported to the heat treatment equipment and heat-treated stably, thereby improving the surface quality of the ring cutter; and after the heat treatment, the ring cutter has uniform hardness and high performance.

Description

technical field [0001] The invention relates to the technical field of tool processing, in particular to a tool vacuum heat treatment equipment and process. Background technique [0002] Knives are commonly used tools in daily life and industrial production. They are usually prepared by forging metals and then undergoing heat treatment. The shapes of knives for different purposes are different. [0003] Such as figure 1 Shown, be a kind of annular cutter 8, mainly comprise annular cutter body 81 and the blade 82 that is arranged on the inner side of annular cutter body 81, and the peripheral wall of the outer wall of annular cutter body 81 and the straight side wall of outer side are straight and smooth side wall, with Ensure the normal assembly and practicality of the ring cutter 8. [0004] However, since the tool needs to be heat treated after forging, in the process of transporting the ring tool to the heat treatment equipment, and in the process of heat treating the r...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C21D1/773C21D9/18
CPCC21D1/773C21D9/18
Inventor 黄忠明吴文海
Owner 南京红宝机械刀具有限公司