Molybdenum powder sintering box capable of adjusting pressure based on heating temperature

A technology of heating temperature and sintering box, which is applied in the direction of lighting and heating equipment, furnaces, charging treatment types, etc., can solve the problems of insufficient compactness and the decline in the quality of sintered products, and achieve the effects of strengthening compactness, promoting densification, and preventing burns Effect

Pending Publication Date: 2022-03-15
李祥
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a molybdenum powder that can be pressure-sintered to molybdenum powder, can adjust the pressure applied to the molybdenum powder according to the temperature, and can carry out reciprocating stamping on the molybdenum powder to improve the compactness. powder sintering box, to solve the above-mentioned background technology, the existing pressure sintering method usually only punches molybdenum powder once, and when the aggregate of molybdenum powder particles becomes an agglomeration of crystal grains, it is easy to cause insufficient compactness, Problems that lead to a decrease in the quality of sintered products

Method used

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  • Molybdenum powder sintering box capable of adjusting pressure based on heating temperature
  • Molybdenum powder sintering box capable of adjusting pressure based on heating temperature
  • Molybdenum powder sintering box capable of adjusting pressure based on heating temperature

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0056] A molybdenum powder sintering box that can adjust the size of the pressure based on the heating temperature, such as Figure 1-10 As shown, it includes a sintering box 1, a box door 2, a handle 3, a high-temperature heating seat 4, a pressurizing part 5, a thermal driving part 6, a return spring 7, a guide seat 8, a swing seat 9, and a slotted swing bar 10 , torsion spring 11, movable seat 12, L-shaped bar 13, pressing block 14, the first inclined-plane block 15, the second compression spring 16, support seat 17, inclined block 18, movable bar rack 19, the third compression spring 20 and Guide rail plate 21, box door 2 connected to sintering box 1 through hinge connection, handle 3 is provided on one side of box door 2, two high-temperature heating seats 4 are set on both sides of sintering box 1, sliding type on sintering box 1 A primary pressurization part 5 is connected, and the primary pressurization part 5 is used to exert pressure on the molybdenum powder. The the...

Embodiment 2

[0063] On the basis of Example 1, such as Figure 11-12 As shown, it also includes a secondary pressing part 22, the guide seat 8 is provided with a secondary pressing part 22, the secondary pressing part 22 is used to carry out secondary pressing on the molybdenum powder, and the secondary pressing part 22 includes There are inclined-plane push plate 221, the fourth compression spring 222, inclined-plane pressing plate 223, support plate 224, movable bar 225, the fifth compression spring 226, the second inclined-plane block 227 and the sixth compression spring 228, and the guide seat 8 is slidably connected with The inclined-plane push plate 221 is fixedly connected with a pair of fourth compression springs 222 on the inclined-plane push plate 221, one end of the fourth compression spring 222 away from the inclined-plane push plate 221 is affixed to one side of the guide seat 8, and one end of the inclined-plane push plate 221 is welded with an inclined-plane pressure plate 2...

Embodiment 3

[0067] On the basis of Example 2, such as Figure 13-14 As shown, it also includes a repeated stamping part 23, which is slidably connected with a repeated stamping part 23 on the support base 17, and the repeated stamping part 23 is used for repeatedly stamping the molybdenum powder. The repeated stamping part 23 includes a second movable frame 231, a second A tension spring 232, inclined-plane driven plate 233, lower pressing bar 234, fixed plate 235 and swing push plate 236, the second mobile frame 231 is slidably connected on the support base 17, and two second mobile frames are fixedly connected on the second mobile frame 231. A tension spring 232, one end of the first tension spring 232 away from the second movable frame 231 is affixed to the support seat 17, and the second movable frame 231 away from the support seat 17 is connected with a ramp driven Plate 233, the second movable frame 231 below is connected with the lower pressing bar 234 through the mode of fastener ...

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Abstract

The invention relates to the field of sintering processes, in particular to a molybdenum powder sintering box capable of adjusting pressure based on heating temperature, which comprises a sintering box, a box door, a handle, a high-temperature heating seat, a primary pressurizing part and the like, a box door is connected to the sintering box in a hinge connection mode, a handle is arranged on one side of the box door, two high-temperature heating bases are arranged on the two sides in the sintering box, and a primary pressurizing component is connected to the sintering box in a sliding mode. The pressurizing plate moves downwards to apply pressure to the molybdenum powder for the second time, combination of molybdenum powder particles and densification of the molybdenum powder can be promoted, the situation that the molybdenum powder is not completely sintered into blocks is avoided, and the pressure applied to the molybdenum powder at the time is smaller than the pressure applied to the molybdenum powder at the first time; the purpose of adjusting the pressure applied to the molybdenum powder according to the temperature in the heat conduction frame is achieved.

Description

technical field [0001] The invention relates to the field of sintering technology, in particular to a molybdenum powder sintering box whose size under pressure can be adjusted based on heating temperature. Background technique [0002] Sintering refers to the transformation of powdery materials into dense bodies, which is a traditional process. People have long used this process to produce ceramics, powder metallurgy, refractory materials, ultra-high temperature materials, etc. Generally speaking, after the powder is formed, the strength of the sintered body is increased, and the obtained dense body is a polycrystalline material. Its microstructure is composed of crystals, glass bodies and pores. The sintering process directly affects the microstructure. The particle size, pore size, and grain boundary shape and distribution affect the performance of the material. [0003] The traditional molybdenum powder sintering method adopts pressure sintering, so that the sintered bo...

Claims

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Application Information

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Patent Type & AuthorityApplications(China)
IPC IPC(8): F27B5/00F27B5/06
CPCF27B5/00F27B5/06F27M2003/04
Inventor李祥
Owner李祥