CN108220960A - A kind of welding fixture blackening process method - Google Patents
A kind of welding fixture blackening process method Download PDFInfo
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- CN108220960A CN108220960A CN201711474331.9A CN201711474331A CN108220960A CN 108220960 A CN108220960 A CN 108220960A CN 201711474331 A CN201711474331 A CN 201711474331A CN 108220960 A CN108220960 A CN 108220960A
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- welding fixture
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
- C23C28/04—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D only coatings of inorganic non-metallic material
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C22/05—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions
- C23C22/06—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6
- C23C22/07—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6 containing phosphates
- C23C22/08—Orthophosphates
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C22/78—Pretreatment of the material to be coated
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- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
Abstract
The present invention discloses a kind of welding fixture blackening process method, including following operating procedure：（1）It will prepare after molding welding fixture cleans up, be put into modification liquid, the temperature of modification liquid is risen to 88 95 DEG C, after isothermal holding, is taken out；（2）Welding fixture is put into vacuum chamber, after vacuumizing, after the temperature of vacuum chamber is risen to 250 300 DEG C, then the indoor temperature of vacuum is risen to 380 400 DEG C, and be passed through silane gas thereto by isothermal holding 23 hours, after isothermal holding 45 hours, stop heating, after being cooled to 25 28 DEG C, take out welding fixture；（3）Welding fixture is put into hair blackening liquid again, after 4 5min of immersion treatment, takes out finished product after cleaning.The method of welding fixture blackening process provided by the invention, it is easy to operate, it is of low cost, welding fixture obtained, the uniformity of surface black film is high, the excellent quality of welding fixture, the wear-resisting property of welding fixture can be effectively promoted, extends the service life of welding fixture.
Description
Technical field
The invention belongs to welding fixture preparing technical fields, and in particular to a kind of welding fixture blackening process method.
Background technology
Welding fixture is to ensure weldment size, improving assembly precision and efficiency, prevent fixture used by welding deformation.
Welding fixture of the prior art, in use, wear phenomenon is more serious, and service life is shorter.
Nigrescence is a kind of conventional means of chemical surface treatment, and principle is that metal surface is made to generate layer oxide film, with every
Exhausted air reaches antirust purpose.Blackening process may be used when appearance requirement is not high, the surface blackening processing of steelwork also has
It is referred to as what is turned blue.But when blackening process is individually used to welding fixture, to the promotion effect unobvious of its mechanical property.
Invention content
In order to solve the above technical problem, the present invention provides a kind of welding fixture blackening process methods.
The present invention is achieved by the following technical solutions.
A kind of welding fixture blackening process method, including following operating procedure：
（1）It will prepare after molding welding fixture cleans up, be put into modification liquid, the temperature of modification liquid is risen to 88-95 DEG C,
After isothermal holding 2-3 hours, take out；
（2）Step will be passed through（1）The welding fixture of processing is put into vacuum chamber, and after vacuumizing, the temperature of vacuum chamber is risen to
After 250-300 DEG C, then the indoor temperature of vacuum is risen to 380-400 DEG C, and be passed through silicon thereto by isothermal holding 2-3 hours
Alkane gas, isothermal holding stops heating after 4-5 hours, after being cooled to 25-28 DEG C, takes out welding fixture；
（3）Welding fixture is put into hair blackening liquid again, after immersion treatment 4-5min, finished product after cleaning is taken out, wherein blacking
Liquid is made of the component of following parts by weight：18-22 parts of selenous acid, -6 parts of phosphatase 24,3-9 parts of ethylenediamine base propanesulfonate, water 290-
310 parts.
Specifically, above-mentioned steps（1）In, modification liquid is the sulfuric acid solution that mass fraction is 3%.
Specifically, above-mentioned steps（2）In, the pressure of silane gas is 9000Pa.
Specifically, above-mentioned steps（3）In, temperature when hair blackening liquid is handled is 25-28 DEG C.
From the above technical scheme, it can be seen that the beneficial effects of the invention are as follows：
The method of welding fixture blackening process provided by the invention, easy to operate, of low cost, welding fixture obtained, surface
The uniformity of black film is high, and the excellent quality of welding fixture can effectively promote the wear-resisting property of welding fixture, extend welding
The service life of fixture.Wherein, by step（1）The welding fixture of processing, surface-active is higher, and it is thin can effectively to promote silicon
The effect of film deposition, before blackening process, after the operation of deposit thin films of silicon, can effectively promote the thickness of black film, into
And the effect of nigrescence is effectively improved, improve welding fixture abrasion resistance properties.
Specific embodiment
Following embodiment cannot be used for limiting the scope of the invention for illustrating the present invention.The reality used in embodiment
The condition of applying can be for further adjustments according to the condition of producer, and unaccounted implementation condition is usually conventional laboratory conditions.
Embodiment 1
A kind of welding fixture blackening process method, including following operating procedure：
（1）It will prepare after molding welding fixture cleans up, be put into modification liquid, the temperature of modification liquid is risen to 88 DEG C, is protected
After temperature processing 2 hours, take out；
（2）Step will be passed through（1）The welding fixture of processing is put into vacuum chamber, and after vacuumizing, the temperature of vacuum chamber is risen to 250
After DEG C, then the indoor temperature of vacuum is risen to 380 DEG C, and be passed through silane gas thereto, at heat preservation by isothermal holding 2 hours
Reason stops heating after 4 hours, after being cooled to 25-28 DEG C, takes out welding fixture；
（3）Welding fixture is put into hair blackening liquid again, after immersion treatment 4min, takes out finished product after cleaning, wherein hair blackening liquid
It is made of the component of following parts by weight：18 parts of selenous acid, phosphatase 24 part, 3 parts of ethylenediamine base propanesulfonate, 290 parts of water.
Specifically, above-mentioned steps（1）In, modification liquid is the sulfuric acid solution that mass fraction is 3%.
Specifically, above-mentioned steps（2）In, the pressure of silane gas is 9000Pa.
Specifically, above-mentioned steps（3）In, temperature when hair blackening liquid is handled is 25 DEG C.
Embodiment 2
A kind of welding fixture blackening process method, including following operating procedure：
（1）It will prepare after molding welding fixture cleans up, be put into modification liquid, the temperature of modification liquid is risen to 92 DEG C, is protected
After temperature processing 2.5 hours, take out；
（2）Step will be passed through（1）The welding fixture of processing is put into vacuum chamber, and after vacuumizing, the temperature of vacuum chamber is risen to 280
After DEG C, then the indoor temperature of vacuum is risen to 390 DEG C, and be passed through silane gas thereto by isothermal holding 2.5 hours, heat preservation
After processing 4.5 hours, stop heating, after being cooled to 27 DEG C, take out welding fixture；
（3）Welding fixture is put into hair blackening liquid again, after immersion treatment 4.5min, finished product after cleaning is taken out, wherein blacking
Liquid is made of the component of following parts by weight：20 parts of selenous acid, 5 parts of phosphoric acid, 6 parts of ethylenediamine base propanesulfonate, 300 parts of water.
Specifically, above-mentioned steps（1）In, modification liquid is the sulfuric acid solution that mass fraction is 3%.
Specifically, above-mentioned steps（2）In, the pressure of silane gas is 9000Pa.
Specifically, above-mentioned steps（3）In, temperature when hair blackening liquid is handled is 27 DEG C.
Embodiment 3
A kind of welding fixture blackening process method, including following operating procedure：
（1）It will prepare after molding welding fixture cleans up, be put into modification liquid, the temperature of modification liquid is risen to 95 DEG C, is protected
After temperature processing 3 hours, take out；
（2）Step will be passed through（1）The welding fixture of processing is put into vacuum chamber, and after vacuumizing, the temperature of vacuum chamber is risen to 300
After DEG C, then the indoor temperature of vacuum is risen to 400 DEG C, and be passed through silane gas thereto, at heat preservation by isothermal holding 3 hours
Reason stops heating after 5 hours, after being cooled to 28 DEG C, takes out welding fixture；
（3）Welding fixture is put into hair blackening liquid again, after immersion treatment 5min, takes out finished product after cleaning, wherein hair blackening liquid
It is made of the component of following parts by weight：22 parts of selenous acid, 6 parts of phosphoric acid, 9 parts of ethylenediamine base propanesulfonate, 310 parts of water.
Specifically, above-mentioned steps（1）In, modification liquid is the sulfuric acid solution that mass fraction is 3%.
Specifically, above-mentioned steps（2）In, the pressure of silane gas is 9000Pa.
Specifically, above-mentioned steps（3）In, temperature when hair blackening liquid is handled is 28 DEG C.
It should be understood that the application of the present invention is not limited to the above, it for those of ordinary skills, can
To be improved or converted according to the above description, all these modifications and variations should all belong to the guarantor of appended claims of the present invention
Protect range.
Claims (4)
- A kind of 1. welding fixture blackening process method, which is characterized in that including following operating procedure：（1）It will prepare after molding welding fixture cleans up, be put into modification liquid, the temperature of modification liquid is risen to 88-95 DEG C, After isothermal holding 2-3 hours, take out；（2）Step will be passed through（1）The welding fixture of processing is put into vacuum chamber, and after vacuumizing, the temperature of vacuum chamber is risen to After 250-300 DEG C, then the indoor temperature of vacuum is risen to 380-400 DEG C, and be passed through silicon thereto by isothermal holding 2-3 hours Alkane gas, isothermal holding stops heating after 4-5 hours, after being cooled to 25-28 DEG C, takes out welding fixture；（3）Welding fixture is put into hair blackening liquid again, after immersion treatment 4-5min, finished product after cleaning is taken out, wherein blacking Liquid is made of the component of following parts by weight：18-22 parts of selenous acid, -6 parts of phosphatase 24,3-9 parts of ethylenediamine base propanesulfonate, water 290- 310 parts.
- A kind of 2. welding fixture blackening process method according to claim 1, which is characterized in that above-mentioned steps（1）In, change Property liquid is the sulfuric acid solution that mass fraction is 3%.
- A kind of 3. welding fixture blackening process method according to claim 1, which is characterized in that above-mentioned steps（2）In, silicon The pressure of alkane gas is 9000Pa.
- A kind of 4. welding fixture blackening process method according to claim 1, which is characterized in that above-mentioned steps（3）In, hair Temperature during black liquor processing is 25-28 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711474331.9A CN108220960A (en) | 2017-12-29 | 2017-12-29 | A kind of welding fixture blackening process method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711474331.9A CN108220960A (en) | 2017-12-29 | 2017-12-29 | A kind of welding fixture blackening process method |
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| Publication Number | Publication Date |
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| CN108220960A true CN108220960A (en) | 2018-06-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711474331.9A Pending CN108220960A (en) | 2017-12-29 | 2017-12-29 | A kind of welding fixture blackening process method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109457206A (en) * | 2018-11-30 | 2019-03-12 | 沈阳工程学院 | A kind of preparation method of biomass boiler heating surface protective coating |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102021548A (en) * | 2010-12-18 | 2011-04-20 | 江苏德美科技有限公司 | Blackening agent used for steel and iron surface at room temperature and preparation method for blackening agent at room temperature |
| CN107287558A (en) * | 2017-05-17 | 2017-10-24 | 安徽绿环泵业有限公司 | A kind of pump motor shell surface silicon membrane deposition method |
| CN107488848A (en) * | 2017-07-27 | 2017-12-19 | 泾县信达工贸有限公司 | A kind of preparation method of corrosion-resistant lid of electric cooking-vessel |
| CN107513700A (en) * | 2017-09-04 | 2017-12-26 | 宁国市润丰金属制品有限公司 | A kind of surface of metal product silanization treatment method |
-
2017
- 2017-12-29 CN CN201711474331.9A patent/CN108220960A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102021548A (en) * | 2010-12-18 | 2011-04-20 | 江苏德美科技有限公司 | Blackening agent used for steel and iron surface at room temperature and preparation method for blackening agent at room temperature |
| CN107287558A (en) * | 2017-05-17 | 2017-10-24 | 安徽绿环泵业有限公司 | A kind of pump motor shell surface silicon membrane deposition method |
| CN107488848A (en) * | 2017-07-27 | 2017-12-19 | 泾县信达工贸有限公司 | A kind of preparation method of corrosion-resistant lid of electric cooking-vessel |
| CN107513700A (en) * | 2017-09-04 | 2017-12-26 | 宁国市润丰金属制品有限公司 | A kind of surface of metal product silanization treatment method |
Non-Patent Citations (1)
| Title |
|---|
| 李英亮: "《紧固件概论》", 31 January 2014, 国防工业出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109457206A (en) * | 2018-11-30 | 2019-03-12 | 沈阳工程学院 | A kind of preparation method of biomass boiler heating surface protective coating |
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Application publication date: 20180629 |