Method for automatically riveting multi-layer sheets in screw joint and screw nuts applied

A technology of riveting nuts and multi-layer boards, applied in the direction of thin plate connection, nuts, connecting components, etc., can solve problems such as difficult riveting, and achieve the effects of easy processing, reasonable structure and convenient operation

Active Publication Date: 2013-05-08
AEROSPACE PRECISION PROD INC LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Solve the problem of difficult riveting due to narrow space, and the sealin

Method used

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  • Method for automatically riveting multi-layer sheets in screw joint and screw nuts applied
  • Method for automatically riveting multi-layer sheets in screw joint and screw nuts applied

Examples

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[0016] The present invention will be further described below in conjunction with the drawings and embodiments, but it is not a basis for limiting the present invention.

[0017] Examples.

[0018] A method of screwing and self-riveting multilayer sheets, such as figure 1 Shown. The method is characterized in that: the method adopts an internal thread blind rivet nut 1 to self-rivet multilayer sheets; before riveting, a group of sheets are laminated, and the through-hole processing is completed on the laminated sheets at one time , The diameter of the through hole corresponds to the outer diameter of the internally threaded blind rivet nut; then the through hole on the layer under the surface sheet 6 is processed into a counterbore, and then the internally threaded blind rivet nut is removed from the counterbore Insert the rest of the laminated sheets except the surface sheet and extend from the bottom sheet 7, so that the rivet head 2 on the internal thread blind rivet nut is c...

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Abstract

The invention discloses a method for automatically riveting multi-layer sheets in screw joint and screw nuts applied. In the method, internal-thread blind-hole rivet nuts are used to automatically rivet the multi-layer sheets in screw joint; the method includes the following steps: inserting the internal-thread blind-hole rivet nuts into holes of to-be-riveted workpieces when operating; connecting the internal-thread blind-hole rivet nuts with internal threads arranged at the bottoms of the internal-thread blind-hole rivet nuts through bolts; riveting multi-layer sheets together by compressionally deforming the thin-wall portions of the internal-thread blind-hole rivet nuts to be distended outwards when the bolts are tightened and the internal-thread blind-hole rivet nuts are contracted axially inwards; and meanwhile, topping sheets are in screw joint with multi-layer sheets through the bolts. The method for automatically riveting multi-layer sheets in screw joint requires no extra installing tools when used, so that the technical problem that a riveter is difficult to be used for riveting in a narrow area is solved, riveting quality is well guaranteed, and reliability and tightness in riveting are improved. The method for automatically riveting multi-layer sheets in screw joint is suitable for aviation and aerospace, high speed trains and some high-demanding important situations with toxic-resistant or corrosive air or liquid.

Description

technical field [0001] The invention relates to a method for screwing and self-riveting multilayer thin plates and a used nut, and relates to the technical field of riveting. Background technique [0002] In the design of mechanical parts, it is often necessary to rivet some sheets together. In some places with large space, there is generally no problem. However, in some places where the installation space is small and it is difficult to use riveting guns or various riveting tools, riveting It is more difficult, and it is not easy to guarantee the quality of riveting. In addition, the sealing problem of threaded connection has always been a difficult problem. Therefore, in many fields that are resistant to poisonous or corrosive gases or liquids, riveted connections are often used to improve the sealing performance. However, ordinary rivet nuts are often prone to leakage, deformation, failure, etc., which may cause accidents in severe cases. Especially in the fields of aer...

Claims

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Application Information

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IPC IPC(8): F16B5/04F16B37/06F16B37/14
Inventor 王鹏冯欢李英亮
Owner AEROSPACE PRECISION PROD INC LTD
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