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Forming mold and preparation technology for laminated solid propellant

A solid propellant, forming mold technology, applied in attack equipment, explosives processing equipment, generation of compressed gas, etc. bubbles and other problems, to save production time, improve production efficiency, and make the preparation process easy to operate.

Inactive Publication Date: 2019-10-22
NORTHWESTERN POLYTECHNICAL UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The method does not mention solving the problem of air bubbles in the adhesive, nor does it mention the specific way of removing the ammonium perchlorate flakes from the mold

Method used

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  • Forming mold and preparation technology for laminated solid propellant
  • Forming mold and preparation technology for laminated solid propellant
  • Forming mold and preparation technology for laminated solid propellant

Examples

Experimental program
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Effect test

Embodiment Construction

[0030] specific implementation plan

[0031] This embodiment is a laminated solid propellant forming mold and its preparation process.

[0032] refer to figure 1 , figure 2 , image 3 , the laminated solid propellant molding die of this embodiment is composed of a die 1, a groove die 2, a fastening bolt 4, an upper curing plate 5, a height control frame plate 6, a lower curing plate 7 and an ammonium perchlorate sheet 3 ; Wherein, groove mold 2 cooperates with die 1 and is installed into convex shape structure, and groove mold 2 is the parts of two identical structures, and two groove mold 2 bodies have the threaded through hole that is positioned at coaxial line, two The groove mold 2 is connected by fastening bolts 4 and can be disassembled; the two groove molds 2 have grooves in the axial direction relative to the upper part, the groove mold 2 is placed horizontally on the test bench, and the pressure mold 1 is located above the groove mold 2 The width of die 1 is 1mm ...

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Abstract

The invention discloses a forming mold and a preparation technology for a laminated solid propellant. The forming mold for the laminated solid propellant compacts ammonium perchlorate slices by usingthe cooperation of a groove mold with different specifications with a press mold, so the production efficiency of the prepared slices is improved. A vacuum box is vacuumized before curing, so a largeamount of air bubbles is effectively prevented from remaining in the adhesive layer of the propellant. The thickness of the adhesive layer is controlled by a height control plate; and when the laminated propellant is cured, a zigzag curing plate is used to prevent the propellant from sticking to the curing plate, so the problem of easy breakage during peeling of the propellant on the curing platebonded to the curing plate is solved. A gap between the adhesive layer and the ammonium perchlorate flakes after vacuumizing is eliminated by arranging a weight on the height control plate. The preparation technology can significantly improve the molding preparation efficiency of the solid propellant, and provides the laminated propellant with different specifications for the observation and research of the propellant flame structure; and the preparation technology has the advantages of simplicity in operation, high molding rate and time saving.

Description

technical field [0001] The invention relates to the preparation technology of a solid propellant drug bar, in particular to a laminated solid propellant molding die and a preparation process. Background technique [0002] The laminated structure propellant is a kind of propellant in which the oxidizer and the binder are separately made into sheets, and the sheets are bonded together in a certain order to form a multilayer structure of oxidant, binder, and oxidant. Laminated structure propellants have the characteristics of a clear interface between fuel and oxidant, which is conducive to observing the microstructure of the flame during the combustion process, and are widely used in the research of propellant flame combustion. How to efficiently produce good-quality propellant rods has become the key to the study of propellant combustion flames. [0003] In the document "The Deflagration of Ammonium Perchlorate-Polymeric Binder Sandwich Models" (Combustion Science and Techno...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C06B29/22C06B21/00C06B45/14C06D5/00
CPCC06B29/22C06B21/00C06B45/14C06D5/00
Inventor 胡松启杨朋刘林林吴喆昊
Owner NORTHWESTERN POLYTECHNICAL UNIV
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