CN107557798A - A kind of fastener raw material acid cleaning process - Google Patents
A kind of fastener raw material acid cleaning process Download PDFInfo
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- CN107557798A CN107557798A CN201711013213.8A CN201711013213A CN107557798A CN 107557798 A CN107557798 A CN 107557798A CN 201711013213 A CN201711013213 A CN 201711013213A CN 107557798 A CN107557798 A CN 107557798A
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Abstract
The invention discloses a kind of fastener raw material acid cleaning process, comprise the following steps that：Pickling, washing, oxalic acid immersion, epithelium processing, washing, coating lubricant；Fastener raw material are soaked in No.1 pickling tube, kept for 5 minutes, are taken out, it is soaked in No. two pickling tubes, kept for 5 minutes, take out, be soaked in No. three pickling tubes, kept for five minutes, take out, washed, the corrosion product on the raw material surface is removed, then it is immersed in oxalic acid pond, kept for 10 minutes, taken out, be soaked into progress epithelium processing in phosphoric acid salt pond, kept for 15 minutes, take out, washed again, remove residue, coating lubricant is taken out after cleaning, the lubricant is soda soap.Through the above way; the present invention can remove the oxide-film on fastener raw material surface; and form one layer of phosphate film on raw material surface; with reliable protective value; it can prevent from taking out line in wire rod and cut scratch of the stages such as material, punching press to raw material surface; and the acid cleaning process process is simple, excellent effect, can effectively reduce production cost.
Description
Technical field
The present invention relates to pickling field, more particularly to a kind of fastener raw material acid cleaning process.
Background technology
It is referred to as pickling using the oxide skin on acid solution removal steel surface and the method for rust.It is cleaning metal surface
A kind of method.Generally carried out together with pre- film.Product is typically immersed to the aqueous solution of sulfuric acid etc., to remove the oxygen of metal surface
The films such as compound.It is pre-treatment or the intermediate treatment of the techniques such as plating, enamel, rolling.The acid cleaning process used at this stage removes
Stainless steel surfaces heavy scale, temperature in use is high, pickling time length, causes processing cost to remain high；And normal temperature descales
Technique to except thin oxide skin effect it is good, undesirable to heavy scale effect, particularly the black slag of weld is not substantially except falling.
How to design that a kind of descale effect is good, while the pickling that fastener raw material can be given to provide high-quality diaphragm
Technique, it is to need to solve the problems, such as.
The content of the invention
The present invention solves the technical problem of a kind of fastener raw material acid cleaning process is provided, fastener can be removed
The oxide-film on raw material surface, and one layer of phosphate film is formed on raw material surface, there is reliable protective value, can be to prevent
Only line is taken out in wire rod and cut scratch of the stages such as material, punching press to raw material surface, and the acid cleaning process process is simple,
Excellent effect, it can effectively reduce production cost.
In order to solve the above technical problems, one aspect of the present invention is：A kind of fastener raw material acid is provided
Technique is washed, is comprised the following steps that：Pickling, washing, oxalic acid immersion, epithelium processing, washing, coating lubricant；By fastener former material
Material is soaked in No.1 pickling tube, is kept for 5 minutes, is taken out, is soaked in No. two pickling tubes, is kept for 5 minutes, is taken out, is soaked in
In No. three pickling tubes, kept for five minutes, take out, washed, the corrosion product on the raw material surface is removed, then soaked
In oxalic acid pond, kept for 10 minutes, taken out, be soaked into progress epithelium processing in phosphoric acid salt pond, kept for 15 minutes, taken out, again
Washed, remove residue, coating lubricant is taken out after cleaning, the lubricant is soda soap.
In a preferred embodiment of the present invention, the No.1 pickling tube, No. two pickling tubes, in No. three pickling tubes be salt
Acid solution.
In a preferred embodiment of the present invention, the No.1 pickling tube, No. two pickling tubes, hydrochloric acid is molten in No. three pickling tubes
Liquid concentration is respectively 22%, 23%, 25%.
In a preferred embodiment of the present invention, concentration of oxalic acid is 28% in the oxalic acid pond.
The beneficial effects of the invention are as follows：The present invention can remove the oxide-film on fastener raw material surface, and in raw material
Surface forms one layer of phosphate film, has reliable protective value, can prevent from taking out line in wire rod and cut the ranks such as material, punching press
Scratch of the section to raw material surface, and the acid cleaning process process is simple, excellent effect, can effectively reduce and be produced into
This.
Embodiment
Presently preferred embodiments of the present invention is described in detail below so that advantages and features of the invention can be easier to by
It will be appreciated by those skilled in the art that apparent clearly defined so as to be made to protection scope of the present invention.
The embodiment of the present invention includes：
A kind of fastener raw material acid cleaning process, is comprised the following steps that：Pickling, washing, oxalic acid immersion, epithelium processing, washing, painting
Cover lubricant；Fastener raw material are soaked in No.1 pickling tube, kept for 5 minutes, takes out, is soaked in No. two pickling tubes,
Kept for 5 minutes, take out, be soaked in No. three pickling tubes, kept for five minutes, taken out, washed, by the raw material surface
Corrosion product removes, and is then immersed in oxalic acid pond, is kept for 10 minutes, takes out, and is soaked into progress epithelium processing in phosphoric acid salt pond,
Kept for 15 minutes, take out, washed again, remove residue, coating lubricant is taken out after cleaning, the lubricant is
Soda soap.The coefficient of friction of phosphate coating is higher, by coating soda soap, can effectively improve greasy property, facilitate next step work
The progress of sequence.
Further illustrate, the No.1 pickling tube, No. two pickling tubes, in No. three pickling tubes be hydrochloric acid solution.Hydrochloric acid is molten
Liquid energy is enough by chemical reaction, the oxide-film in quick acidolysis materials statement face, plays scavenging action.
Further illustrate, the No.1 pickling tube, No. two pickling tubes, concentration of hydrochloric acid solution is respectively in No. three pickling tubes
22%、23%、25%.Experiment proves that for concentration of hydrochloric acid when between 20% to 25%, its reaction rate, the extent of reaction are optimal.
Illustrate further, concentration of oxalic acid is 28% in oxalic acid pond.Steel surface with oxalic acid by reacting, it is possible to increase its
Metal active so that caused epithelium more compact and firm in subsequent processing.
The present invention can remove the oxide-film on fastener raw material surface, and thin in raw material surface one layer of phosphate of formation
Film, there is reliable protective value, can prevent from taking out line in wire rod and cut wiping of the stages such as material, punching press to raw material surface
Wound, and the acid cleaning process process is simple, excellent effect, can effectively reduce production cost.
Embodiments of the invention are the foregoing is only, are not intended to limit the scope of the invention, it is every to utilize this hair
The equivalent structure or equivalent flow conversion that bright description is made, or directly or indirectly it is used in other related technology necks
Domain, it is included within the scope of the present invention.
Claims (4)
1. a kind of fastener raw material acid cleaning process, it is characterised in that comprise the following steps that：Pickling, washing, oxalic acid immersion, skin
Film process, washing, coating lubricant；Fastener raw material are soaked in No.1 pickling tube, kept for 5 minutes, takes out, is soaked in
In No. two pickling tubes, kept for 5 minutes, take out, be soaked in No. three pickling tubes, kept for five minutes, taken out, washed, by institute
The corrosion product for stating raw material surface removes, and is then immersed in oxalic acid pond, is kept for 10 minutes, takes out, is soaked into phosphoric acid salt pond
Interior progress epithelium processing, is kept for 15 minutes, takes out, washed again, remove residue, and coating lubrication is taken out after cleaning
Agent, the lubricant are soda soap.
2. fastener raw material acid cleaning process according to claim 1, it is characterised in that the No.1 pickling tube, No. two
It is hydrochloric acid solution in pickling tube, No. three pickling tubes.
3. fastener raw material acid cleaning process according to claim 1, it is characterised in that the No.1 pickling tube, No. two
Concentration of hydrochloric acid solution is respectively 22%, 23%, 25% in pickling tube, No. three pickling tubes.
4. fastener raw material acid cleaning process according to claim 1, it is characterised in that concentration of oxalic acid in the oxalic acid pond
For 28%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711013213.8A CN107557798A (en) | 2017-10-25 | 2017-10-25 | A kind of fastener raw material acid cleaning process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711013213.8A CN107557798A (en) | 2017-10-25 | 2017-10-25 | A kind of fastener raw material acid cleaning process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107557798A true CN107557798A (en) | 2018-01-09 |
Family
ID=61031499
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711013213.8A Pending CN107557798A (en) | 2017-10-25 | 2017-10-25 | A kind of fastener raw material acid cleaning process |
Country Status (1)
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110760648A (en) * | 2019-11-14 | 2020-02-07 | 北京金兆博高强度紧固件有限公司 | Weather-resistant bolt production process |
| CN112921332A (en) * | 2021-03-25 | 2021-06-08 | 海盐万达汽车配件股份有限公司 | Screw pickling system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104209705A (en) * | 2014-08-22 | 2014-12-17 | 无锡市第二标准件制造有限公司 | Manufacturing process of screw |
| CN104862717A (en) * | 2015-05-08 | 2015-08-26 | 青岛锻艺金属有限公司 | Closed internal acid washing process |
| CN106555189A (en) * | 2015-09-30 | 2017-04-05 | 明光市久鼎五金制品有限公司 | A kind of screw pickling processing method |
-
2017
- 2017-10-25 CN CN201711013213.8A patent/CN107557798A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104209705A (en) * | 2014-08-22 | 2014-12-17 | 无锡市第二标准件制造有限公司 | Manufacturing process of screw |
| CN104862717A (en) * | 2015-05-08 | 2015-08-26 | 青岛锻艺金属有限公司 | Closed internal acid washing process |
| CN106555189A (en) * | 2015-09-30 | 2017-04-05 | 明光市久鼎五金制品有限公司 | A kind of screw pickling processing method |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110760648A (en) * | 2019-11-14 | 2020-02-07 | 北京金兆博高强度紧固件有限公司 | Weather-resistant bolt production process |
| CN112921332A (en) * | 2021-03-25 | 2021-06-08 | 海盐万达汽车配件股份有限公司 | Screw pickling system |
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| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180109 |