A fixed spring protection device for a bell-type sintering box

A protection device, sintering box technology, applied in bell-type furnaces, lighting and heating equipment, etc., can solve problems such as elongation, weld cracks, etc.

Active Publication Date: 2015-09-30
贵州新安航空机械有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Aiming at the above technical problems, the present invention provides a bell-jar sintering box protection device, mainly to solve the problems of bell-type sintering box weld cracks and box elongation, improve the life of the sintering box, and provide a structure and Simple manufacturing process, safe and reliable protective device

Method used

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  • A fixed spring protection device for a bell-type sintering box
  • A fixed spring protection device for a bell-type sintering box
  • A fixed spring protection device for a bell-type sintering box

Examples

Experimental program
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Effect test

Embodiment 1

[0017] Such as figure 1 and figure 2 A fixed spring protection device for a bell-type sintering box is shown, including a base 1, a sintering box 2 and a graphite disc 3 inside the sintering box 2, wherein the bottom of the sintering box 2 has a backing plate with an inverted U-shaped cross section 4. There is a water tank 11 at the corresponding position of the base 1, and the backing plate 4 is placed in the water tank 11, and there is a fixed spring 5 between them.

[0018] In order to prevent the fixed spring 5 from turning sideways under the action of force, the fixed spring 5 is designed to be composed of a ring support plate 8, a spring 10 and a ring chassis 9, wherein the two ends of the spring 10 are welded on the ring support On the plate 8 and the ring chassis 9.

[0019] In order to ensure that the springs are balanced when they are under the pressure of the sintering box 2, there are three fixed springs 5, which are evenly distributed among the fixed springs 5....

Embodiment 2

[0021] In order to enhance the effect of the fixed spring and play a double protection role, the water tank 11 shown has sealing water 6, and other structures are the same as the first embodiment.

Embodiment 3

[0023] There are four springs 5, which are evenly distributed among the fixed springs 5, and other structures are the same as those in the first or second embodiment.

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PUM

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Abstract

The invention discloses a fixing type spring protection device of a bell-jar type sintering tank, and belongs to bell-jar type sintering equipment. The device comprises a base (1), a sintering tank (2) and a graphite disc (3), wherein the graphite disc (3) is arranged in the sintering tank (2), and a water tank is arranged on the base (1). The sintering tank (2) is protected by the storage and releasing of energy through a fixing type spring (5) and sealing water (6), so the phenomena of the bursting of the sintering tank due to expansion, or the lengthening of the sintering tank, the cracking of welding points and the like due to the action of own gravity during shrinkage are avoided.

Description

technical field [0001] The invention relates to a bell-type sintering box equipment, in particular to a fixed spring protection device for a bell-type sintering box. Background technique [0002] Sintering is one of the most important processes in the production of sintered metal friction materials. During the sintering process, the material is compacted, and the commonly used equipment for sintered friction materials is a bell furnace. The sintered friction parts are placed on the base in one or several stacks, and the sintered graphite disks that transmit the pressure are placed on the sintered parts. , then cover the sintering box (protective cover), and then cover the heating bell jar. The two covers sink into the sealed water pool under the action of their own weight, pass the protective gas (explosive), and energize for heating and sintering. Usually the sintering temperature is at 800-1040°C, after 2-3 hours of high-temperature sintering, the heating bell jar is remo...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C21D9/663
Inventor 徐英廖海龙
Owner 贵州新安航空机械有限责任公司
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