Flanging and riveting self-locking nut and machining method thereof

A technology of self-locking nuts and processing methods, which is applied in the direction of nuts, screws, bolts, etc., can solve the problems of low efficiency, troublesome processing, high cost and unable to meet the needs of rapid development, and achieve high safety and reliability, convenient maintenance, and locking good performance

Inactive Publication Date: 2015-10-07
GUIZHOU AEROSPACE PRECISION PRODS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The purpose of the present invention is to provide a riveting self-locking nut and its processing method to solve the troublesome processing, low effi

Method used

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  • Flanging and riveting self-locking nut and machining method thereof
  • Flanging and riveting self-locking nut and machining method thereof
  • Flanging and riveting self-locking nut and machining method thereof

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[0025] Example

[0026] The manufacturing method of the present invention adopts the direct die forging and pressing of the bar to form the blank, which is formed by mechanical finishing and cold deformation. The theoretical basis is to use a material with good plasticity, its crystal grains will not break after forging, and the crystal grains are arranged in a line, that is, a material with uniform, complete and highly oriented crystal grain streamlines. This type of material has good upsetting processability and can obtain any Shape blanks. Commonly used materials are carbon structural steel (such as: ML30, ML35), alloy structural steel (such as: 30CrMnSiA, 40CrNiMoA) and so on.

[0027] The turning riveting self-locking nut processed by the present invention, such as figure 1 with 2 As shown, the shape of the turning riveting self-locking nut is a variable diameter cylinder, the middle section of the variable diameter cylinder is a large cylinder 1, one end of the large cylin...

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Abstract

The invention discloses a flanging and riveting self-locking nut and a machining method thereof. The flanging and riveting self-locking nut is a reducing cylinder body in appearance. The middle section of the reducing cylinder body is a large cylinder 1. A cone 2 is arranged at one end of the large cylinder, and a small cylinder 3 is arranged at the other end of the large cylinder. A reducing hole is formed in the middle of the reducing cylinder body. A large hole 4 is formed in the small cylinder. A small threaded hole 5 is formed in the large cylinder and the cone. The large hole and the small threaded hole are in transition through a chamfer 6. Locking grooves 7 evenly distributed along the circumference are formed in the cone. According to the flanging and riveting self-locking nut and the machining method thereof, an important new product is added to the field of fastening connecting pieces, threaded connecting and riveting are integrated through the structure of the flanging and riveting self-locking nut, threaded screwing can be conducted without the cooperation of external force during assembling, materials are saved in the application of the automatic locking and die forging technology, time is saved, high efficiency is achieved, the safe reliability is high, the mechanical performance is stable, and maintenance is convenient.

Description

Technical field [0001] The present invention involves a riveting self -locking nut and its processing method, which belongs to the field of fasteners processing technology. technical background [0002] As the performance of mechanical products gradually improves, the requirements of fasteners have become higher and higher.Not only requires a variety of functions, but also has high requirements for the volume, weight, and strength of the fastener. There are also some mechanical products that cannot be welded with the product for fasteners, and it is required to have a good lockTightening performance.The processing of this type of fastener mainly uses lathe processing. The lathe processing is more troublesome, the efficiency is low, and the high cost cannot meet the needs of rapid development. Invention content [0003] The purpose of the invention of the present invention is to provide a riveting self -locking nut and its processing method to solve the problem of processing exis...

Claims

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Application Information

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IPC IPC(8): F16B37/06F16B39/284B23P15/00
CPCF16B37/068B23P15/00F16B39/284
Inventor 赵惠光郑伟韩璐雷世斌黄丽张明蕾
Owner GUIZHOU AEROSPACE PRECISION PRODS
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