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Blind rivet manufacturing process

A manufacturing process and technology of blind rivets, applied in the field of blind rivet manufacturing technology, can solve problems such as cumbersome procedures, high processing costs, low processing quality and processing efficiency, and achieve high product qualification rate, high processing efficiency, and improved product quality. performance effect

Active Publication Date: 2022-03-04
王丽
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The existing blind rivet processing method is a processing method combining upsetting and machining methods, the processing quality and processing efficiency are low, the process is cumbersome in the processing process, and the processing cost is high

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] A blind rivet manufacturing process, including nail body manufacturing and nail sleeve manufacturing;

[0037] Nail body production includes the following steps:

[0038] Step 1, nail body blank preparation: select A286 raw materials with appropriate specifications and quality;

[0039] Step 2, upsetting and forming: the selected A286 raw material is passed through the mold of the corresponding specification in the cold pier machine to form the head, steps and rods of the nail body for three times to obtain the semi-finished nail body;

[0040] Step 3, cleaning: Put the semi-finished nail body into the corresponding cleaning line to remove the oil dirt and surface sandblasting caused by upsetting;

[0041] Step 4, heat treatment: put the cleaned nail body semi-finished product into a heat treatment furnace at 650°C for production and heat preservation for 10 hours, and then air-cool;

[0042] Step 5, thread rolling: rub the semi-finished nail body after heat treatment...

Embodiment 2

[0056] A blind rivet manufacturing process, including nail body manufacturing and nail sleeve manufacturing;

[0057] Nail body production includes the following steps:

[0058] Step 1, nail body blank preparation: select A286 raw materials with appropriate specifications and quality;

[0059] Step 2, upsetting and forming: the selected A286 raw material is passed through the mold of the corresponding specification in the cold pier machine to form the head, steps and rods of the nail body for three times to obtain the semi-finished nail body;

[0060] Step 3, cleaning: Put the semi-finished nail body into the corresponding cleaning line to remove the oil dirt and surface sandblasting caused by upsetting;

[0061] Step 4, heat treatment: put the cleaned nail body semi-finished product into a heat treatment furnace at 680°C for production and heat preservation 9, and then air-cool;

[0062] Step 5, thread rolling: rub the semi-finished nail body after heat treatment to produce...

Embodiment 3

[0076] A blind rivet manufacturing process, including nail body manufacturing and nail sleeve manufacturing;

[0077] Nail body production includes the following steps:

[0078] Step 1, nail body blank preparation: select A286 raw materials with appropriate specifications and quality;

[0079] Step 2, upsetting and forming: the selected A286 raw material is passed through the mold of the corresponding specification in the cold pier machine to form the head, steps and rods of the nail body for three times to obtain the semi-finished nail body;

[0080] Step 3, cleaning: Put the semi-finished nail body into the corresponding cleaning line to remove the oil dirt and surface sandblasting caused by upsetting;

[0081] Step 4, heat treatment: put the cleaned semi-finished nail body into a heat treatment furnace at 700°C for production and heat preservation for 8 hours, and then air-cool;

[0082] Step 5, thread rolling: rub the semi-finished nail body after heat treatment to produ...

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Abstract

The invention discloses a manufacturing process of a blind rivet, which includes the manufacture of a nail body and the manufacture of a nail sleeve; the manufacture of the nail body includes the following steps: Step 1, the preparation of the nail body blank: selecting A286 raw materials with suitable specifications and quality; Step 2, upsetting Molding: The selected A286 raw material is passed through the mold of the corresponding specification in the cold pier machine to form the head, steps and rods of the nail body 2-3 times to obtain the semi-finished nail body; step 3, cleaning: Put the semi-finished nail body into the corresponding cleaning line to remove the oil dirt and surface sandblasting caused by upsetting; step 4, heat treatment: put the semi-finished nail body after cleaning into a heat treatment furnace at 650°C-700°C for production and heat preservation for 8 hours ‑10h, then air cooling; step 5, thread rolling: rolling the heat-treated semi-finished nail body to produce knurls, threads and grooves; step 6, surface treatment: surface-treating the semi-finished nail body after thread rolling to obtain a finished product . The invention has the advantages of simple process, high processing efficiency, high product qualified rate and good quality.

Description

technical field [0001] The invention relates to the field of rivet production technology, in particular to a production technology of blind rivets. Background technique [0002] The existing blind rivet processing method is a processing method combining upsetting and machining methods, the processing quality and processing efficiency are both low, the processing procedures are cumbersome, and the processing cost is high. Contents of the invention [0003] Aiming at the defects in the prior art, the invention provides a blind rivet manufacturing process with simple procedure, high processing efficiency, high product pass rate and good quality. [0004] The technical scheme that the present invention adopts for solving the problems of the technologies described above is as follows: [0005] A blind rivet manufacturing process, including nail body manufacturing and nail sleeve manufacturing; [0006] Nail body production includes the following steps: [0007] Step 1, nail ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23P15/00
CPCB23P15/00
Inventor 王丽
Owner 王丽
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