CN219254130U

CN219254130U - Explosion compaction construction structure for nonferrous metal powder blank making

Info

Publication number: CN219254130U
Application number: CN202320771482.5U
Authority: CN
Inventors: 王玉龙; 朱元华; 杨若雅
Original assignee: Lingding Electronic Technology Co ltd
Current assignee: Lingding Electronic Technology Co ltd
Priority date: 2023-04-10
Filing date: 2023-04-10
Publication date: 2023-06-27
Anticipated expiration: 2033-04-10

Abstract

The utility model discloses an explosion compaction construction structure for nonferrous metal powder blank making, which comprises a foundation, a base arranged on the foundation, a U-shaped heating groove arranged on the base, a high-carbon die arranged in the heating groove and used for loading metal powder, and an explosion assembly arranged above the die, wherein the base is provided with a plurality of U-shaped heating grooves; the explosion component comprises a heat insulation layer arranged above the metal powder and a medicine box arranged on the heat insulation layer, and explosives and electric detonators are stored in the medicine box; and heating molybdenum wires are arranged in the heating grooves and are connected with the ceramic capacitors. The utility model has simple and ingenious structural design, is convenient for construction, can ensure that nonferrous metal powder is compacted and molded by explosion to obtain a compact material, and has strong usability.

Description

Explosion compaction construction structure for nonferrous metal powder blank making

Technical Field

The utility model relates to the technical field of powder metallurgy and explosion processing, in particular to an explosion compaction construction structure for nonferrous metal powder blank making.

Background

In recent years, powder metallurgy technology has been widely used in the field of nonferrous metal powder sintering molding, thereby obtaining a material with high density and good mechanical properties. On the other hand, the explosion processing technology is also widely applied to the production of various metal composite materials, and theory and practice prove that the metal composite material produced by the explosion processing technology has simple operation in the forming process, and the pressure generated by the detonation action of the explosive is used for replacing the mechanical action, so that the equipment cost is greatly reduced. However, the impact generated by detonation pressure is uneven under the multiple factors of powder state, uniformity, temperature and the like by comprehensively considering the influences of static and dynamic factors such as material characteristics, detonation characteristics and the like of the explosive, and the like, so that vibration or vibration occurs in the processing process, and the defects such as wrinkling, perforation, distortion and the like of a processed product are caused. In theory, the conventional powder metallurgy mode can reach the required products, but the requirement of the whole operation is too high, the equipment investment is large, and if the explosion processing technology can be well combined, the method is very beneficial to batch and customized production. Therefore, an explosion compaction construction structure for nonferrous metal powder blank making is urgently needed to meet the combination of the powder metallurgy technology and the explosion processing technology, and the requirements of the final product are met.

Disclosure of Invention

In view of the above, the utility model aims to provide an explosion compaction construction structure for nonferrous metal powder blank making, which is simple to operate and low in equipment cost, aiming at the defects of the prior art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the explosion compaction construction structure for nonferrous metal powder blank comprises a foundation, a base arranged on the foundation, a U-shaped heating groove arranged on the base, a high-carbon die arranged in the heating groove and used for loading metal powder, and an explosion assembly arranged above the die; the explosion component comprises a heat insulation layer arranged above the metal powder and a medicine box arranged on the heat insulation layer, and explosives and electric detonators are stored in the medicine box; and heating molybdenum wires are arranged in the heating grooves and are connected with the ceramic capacitors.

According to the technical scheme, after the ceramic capacitor is electrified, the molybdenum wire is heated to release heat energy to provide heat energy for the lower part and the periphery of the high-carbon die so as to soften the metal powder, and the electric detonator detonates the explosive to generate downward force so as to compact the metal powder to a preset processing state.

Preferably, an asbestos pad is arranged between the base and the heating groove, and the thickness of the asbestos pad is 20mm.

Preferably, the heat insulation layer comprises a heat insulation plate and an asbestos plate; the thickness of the heat insulating plate is 10mm, and the thickness of the asbestos plate is 20mm. The effect of uniform buffering can be achieved.

Preferably, the thickness of the heating tank is 30mm. The processing efficiency and stability can be ensured.

Preferably, a protective frame is arranged on the periphery of the base; the protection frame is flush with the top of the medicine box, and the protection frame is not contacted with the heating groove. In order to avoid the deviation during the explosion processing, the damage to the edge position of the structure during the explosion processing can be avoided as far as possible.

Preferably, the medicine box is made of PVC material and is fixed on the asbestos board by gluing. And the explosive is convenient to lay.

The beneficial effects of the utility model are as follows:

according to the utility model, by combining with an explosion processing technology, metal powder is pressed and formed by adopting force generated during explosion, and the damage to the edge of a structure during the explosion processing can be avoided by arranging the protective frame, so that the integrity of a machined part is ensured; the stress of the metal powder can be more uniform during explosion through the heat insulation layer, and the internal air can be instantaneously emptied to reach a vacuum state; the metal powder is softened in advance by arranging the heating groove, so that the metal powder can better reach a set state.

Drawings

Fig. 1 is a schematic structural view of the present utility model.

In the figure: 1. a foundation; 2. a base; 3. a heating tank; 4. an asbestos backing plate; 5. a ceramic capacitor; 6. a high carbon mold; 7. a heat insulating plate; 8. asbestos board; 9. a medicine box; 10. an explosive; 11. an electric detonator; 12. a protective frame; 13. a metal powder; 14. and heating the molybdenum wire.

Description of the embodiments

The utility model is further described below with reference to the drawings and examples.

As shown in fig. 1, the explosion compaction construction structure for nonferrous metal powder blank comprises a foundation 1, a base 2 arranged on the foundation 1, a protective frame 12 arranged on the periphery of the base 2, a U-shaped heating groove 3 arranged above the base 2, a heating groove plate with the thickness of 30mm, a heating molybdenum wire 14 arranged in the heating groove 3, a ceramic capacitor 5 connected with the heating molybdenum wire 14, and an asbestos backing plate 4 with the thickness of 20mm arranged between the base 2 and the heating groove 3. A high-carbon die 6 for loading metal powder 13 is arranged in the heating tank 3, and an explosion component is arranged above the metal powder 13; the explosive assembly comprises a thermally insulating layer arranged above the metal powder 13 and a cartridge 9 arranged on the thermally insulating layer, wherein an explosive 10 and an electric detonator 11 are stored in the cartridge 9. The insulation layer comprises an insulation board 7 with a thickness of 10mm and an asbestos board 8 with a thickness of 20mm. The medicine box 9 is made of PVC materials and is fixed on the asbestos board 8 in an adhesive mode, so that explosives can be conveniently paved. The top of the medicine box 9 is flush with the top of the protective frame 12, and the protective frame 12 is not in contact with the heating tank 3.

The working process of the utility model comprises the following steps: uniformly spreading metal powder 13 in a high-carbon die 6, sequentially placing a heat insulation plate 7 and an asbestos plate 8 on the metal powder 13, adhering a medicine box 9 filled with explosive 10 on the asbestos plate 8, electrifying a ceramic capacitor 5, heating and softening the metal powder 13 through heating a molybdenum wire 14, igniting the explosive 10 for explosion treatment, and instantly exhausting internal air of the metal powder 13 under the action of a heat insulation layer to reach a vacuum state and pressing into a set blank.

The device elements in the above embodiments are conventional device elements unless otherwise specified, and the structural arrangement, operation or control modes in the embodiments are conventional arrangement, operation or control modes in the art unless otherwise specified.

Finally, it is noted that the above-mentioned embodiments are merely for illustrating the technical solution of the present utility model, and that other modifications and equivalents thereof by those skilled in the art should be included in the scope of the claims of the present utility model without departing from the spirit and scope of the technical solution of the present utility model.

Claims

1. The explosion compaction construction structure for nonferrous metal powder blank making is characterized by comprising a foundation, a base arranged on the foundation, a U-shaped heating groove arranged on the base, a high-carbon die arranged in the heating groove and used for loading metal powder, and an explosion assembly arranged above the die; the explosion component comprises a heat insulation layer arranged above the metal powder and a medicine box arranged on the heat insulation layer, and explosives and electric detonators are stored in the medicine box; and heating molybdenum wires are arranged in the heating grooves and are connected with the ceramic capacitors.

2. The explosion compaction construction structure for nonferrous metal powder blank according to claim 1, wherein an asbestos pad is provided between the base and the heating tank, and the thickness of the asbestos pad is 20mm.

3. The explosion compaction construction structure for nonferrous metal powder blank according to claim 1, wherein the heat insulation layer comprises a heat insulation plate and an asbestos plate; the thickness of the heat insulating plate is 10mm, and the thickness of the asbestos plate is 20mm.

4. The explosion compaction construction structure for nonferrous metal powder blank according to claim 1, wherein the thickness of the heating tank is 30mm.

5. The explosion compaction construction structure for nonferrous metal powder blank according to claim 1, wherein a protective frame is provided on the periphery of the base; the protection frame is flush with the top of the medicine box, and the protection frame is not contacted with the heating groove.

6. The explosion compaction construction structure for nonferrous metal powder blank according to claim 3, wherein the medicine box is made of PVC material and is fixed on the asbestos board by means of gluing.