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Capsule assembly for spherical accumulator of servo mechanism, and forming die and forming method thereof

A servo mechanism and molding die technology, applied in household components, household appliances, other household appliances, etc., can solve the problems of miniaturization and light-weight design of aerospace vehicles and weapon systems, large volume of piston accumulators, and pressure holding time. Short and other problems, to achieve the effect of prolonging the service life of dynamic flexion, light weight and long pressure holding time

Active Publication Date: 2018-12-21
AEROSPACE RES INST OF MATERIAL & PROCESSING TECH +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, the pressure storage period of the servo mechanism of the aerospace vehicle and weapon system adopts the structural form of the piston accumulator. Due to the sealing ring structure, the piston accumulator has a short pressure holding time, a small discharge flow, and slow discharge, which requires continuous replenishment. In addition, the piston accumulator is bulky and heavy, which is not conducive to the miniaturization and lightweight design of the existing space delivery and weapon systems, and the holding pressure is low, which is easy to leak

Method used

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  • Capsule assembly for spherical accumulator of servo mechanism, and forming die and forming method thereof
  • Capsule assembly for spherical accumulator of servo mechanism, and forming die and forming method thereof
  • Capsule assembly for spherical accumulator of servo mechanism, and forming die and forming method thereof

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Experimental program
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Effect test

Embodiment 1

[0077] 100 parts of chlorohydrin gum, 1.5 parts of stearic acid, 45 parts of carbon black N539, 3 parts of lead tetraoxide, 2 parts of accelerator NA-22, 1.5 parts of anti-aging agent NBC, 3 parts of anti-aging agent 4010NA, and mix evenly Then park for 1 to 2 days, vulcanize and test.

[0078] Performance test results:

[0079] Hardness shore A 78; tensile strength 17MPa; elongation at break 260%; permanent deformation at break 4.0%; compression set (100°C×48h, compression 30%) 7.6%.

Embodiment 2

[0081] Chlorohydrin raw rubber 90 parts, nitrile rubber 10 parts, stearic acid 1.5 parts, carbon black N539 45 parts, trilead tetraoxide 3 parts, accelerator NA-22 1.5 parts, anti-aging agent NBC 1.5 parts, anti-aging agent 4010NA 3 parts, 0.5 parts of DCP, 3 parts of anti-aging agent 4010NA, after mixing evenly, park for 1-2 days, vulcanize and test.

[0082] Performance test results:

[0083] Hardness shore A 80; tensile strength 20MPa; elongation at break 256%; permanent deformation at break 2.0%.

[0084] Using the above two typical rubber materials and adopting two specifications of the spherical capsule mold of the present invention for one-time injection and compression molding, the product quality of the epichlorohydrin rubber spherical capsule conforms to the model design of aerospace vehicles and missile weapons. Technical requirements and functional requirements. The spherical capsule test piece is first inflated (0.1MPa) and pressure-holding (10min) expansion tes...

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Abstract

The invention relates to a capsule assembly for a spherical accumulator of a servo mechanism, and a forming die and a forming method thereof, and belongs to the technical field of accumulators of servo mechanisms. According to the capsule assembly, a spherical capsule assembly with a special structure, a design structure of a spherical metal-rubber capsule assembly (a spherical capsule, a spring wound steel wire), is designed for the spherical accumulator of the servo mechanism. The spherical capsule assembly is composed of the spherical capsule, a metal framework, and the spring wound steel wire. The spherical capsule assembly is used for the spherical accumulator of the servo mechanism, and has the advantages of being large in leakage flow, rapid in starting, light in weight, high in reliability, long in holding time of one inflation, long in service life, and the like.

Description

technical field [0001] The invention relates to a capsule assembly for a spherical pressure accumulator of a servo mechanism, a molding die and a molding method thereof, which belong to the technical field of pressure accumulators of a servo mechanism, and are mainly used for a spherical pressure accumulator of a servo mechanism used in aerospace vehicles and weapons Structural design technology and processing molding technology of spherical capsule combination mold; including structural design technology of spherical capsule molding mold for spherical pressure accumulator of servo mechanism, product processing molding technology, material selection, determination and processing technology for molds. Background technique [0002] At present, the pressure storage period of the servo mechanism of the aerospace vehicle and weapon system adopts the structural form of the piston accumulator. Due to the sealing ring structure, the piston accumulator has a short pressure holding tim...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C45/02B29C45/43B29C45/26B29L31/30
CPCB29C45/02B29C45/26B29C45/43B29L2031/3097
Inventor 高玉旭张继华赵云锋李润源
Owner AEROSPACE RES INST OF MATERIAL & PROCESSING TECH
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