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Acid pickling and long-term antirust process of single-side closed cavity structure structural parts

A closed, structural parts technology, applied in the field of pickling of structural parts, can solve problems such as environmental pollution and threats to workers' health, and achieve the effect of convenient operation

Inactive Publication Date: 2018-10-12
XICHUAN COUNTY LINJITE PRECISION TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] As we all know, there are various oil stains and dust on the surface of iron products before painting. These oil stains and dust need to be cleaned. The most common cleaning process is pickling process, which can be used to clean oil stains, dust, rust, etc. However, The medicament or acid mist used in the existing pickling process is easy to pollute the environment and pose a threat to the health of workers. Therefore, it is necessary to develop an environmentally friendly, pickling semi-closed structural part and a single-side closed air box that is easy to operate. The pickling and long-term anti-rust process of cavity structural parts are of great significance

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0013] A pickling and long-term anti-rust process for one-sided closed cavity structural parts, which includes incoming material inspection, fixture fixing, immersion washing, saponification washing, pickling, and water washing.

[0014] The advantage of the present invention is that it can clean the one-sided closed structural parts, fix the one-sided closed structural parts with clamps, and slowly immerse them in the pickling solution, so that the pickling is comprehensive; the specific operation method is to check the production The required rough products are inspected, the fixture is fixed to fix the one-sided closed cavity structure with the fixture, the immersion washing is to immerse in the hydrochloric acid solution with a mass concentration of 30% to 50%, and the immersion time is 1h to 2h, and then wash Treatment, after washing, immerse in the phosphating solution at 50°C-60°C. Saponification solution washing means immersing the product in the saponification solution...

Embodiment 2

[0016] A pickling and long-term anti-rust process for single-sided closed cavity structural parts, which includes incoming material inspection, fixture fixing, immersion liquid washing, saponification liquid washing, pickling, and water washing. The incoming material inspection is for production. The required rough products are inspected, the fixture is fixed as a one-sided closed cavity structure with a fixture, and the immersion washing is to immerse in a hydrochloric acid solution with a mass concentration of 30% to 50%, and the immersion time is 1h to 2h , and then washing treatment, after washing, immerse in a phosphating solution at 50°C to 60°C, the saponification solution is to immerse the product in the saponification solution, the time is 1h to 2h, the temperature range is 50°C to 60°C, the acid Washing means putting the product into a pickling tank for 15 min to 20 min, and washing with water means putting the product into a washing tank for 2 min to 3 min.

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PUM

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Abstract

The invention relates to an acid pickling and long-term antirust process of single-side closed cavity structure structural parts. The process comprises the steps of feeding inspection, fixture fixing,immersion liquid washing, saponification liquid washing, acid pickling and water washing, wherein in the feeding inspection step, blank products required for production are inspected; in the fixturefixing process, a fixture is used for fixing the single-side closed cavity structure structural parts; in the immersion liquid washing process, the single-side closed cavity structure structural partsare immersed into a hydrochloric acid solution with the mass concentration of 30%-50% for 1h-2h, then are subjected to washing treatment and then are immersed into a phosphating solution of 50 DEG C-60 DEG C; in the saponification liquid washing process, the single-side closed cavity structure structural parts are immersed into a saponification solution for 1h-2h at the temperature ranging from 50 DEG C to 60 DEG C; in the acid pickling process, the parts are put into an acid pickling tank for 15 min-20 min; in the water washing process, the parts are put into a water washing tank for water washing for 2 min-3 min. Thus, the acid pickling and long-term antirust process has the advantages of being friendly to environment, capable of conducting acid pickling on semi-closed structural partsand convenient to operate.

Description

technical field [0001] The invention belongs to the technical field of pickling of structural parts, and in particular relates to a pickling and long-term anti-rust process of single-side closed cavity structural parts. Background technique [0002] As we all know, there are various oil stains and dust on the surface of iron products before painting. These oil stains and dust need to be cleaned. At present, the most common cleaning process is pickling process, which can be used to clean oil stains, dust, rust, etc. However, The medicament or acid mist used in the existing pickling process is easy to pollute the environment and pose a threat to the health of workers. Therefore, it is necessary to develop an environmentally friendly, pickling semi-closed structural part and one-sided closed air box that is easy to operate. The pickling and long-term anti-rust process of cavity structural parts are of great significance. Contents of the invention [0003] The object of the p...

Claims

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Application Information

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IPC IPC(8): C23G1/08C23G3/00
CPCC23G1/08C23G3/00
Inventor 王保林王昆
Owner XICHUAN COUNTY LINJITE PRECISION TECH CO LTD