CN112276276A - Treatment process method for oxidized automobile condenser - Google Patents
Treatment process method for oxidized automobile condenser Download PDFInfo
- Publication number
- CN112276276A CN112276276A CN202011181938.XA CN202011181938A CN112276276A CN 112276276 A CN112276276 A CN 112276276A CN 202011181938 A CN202011181938 A CN 202011181938A CN 112276276 A CN112276276 A CN 112276276A
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- CN
- China
- Prior art keywords
- flux
- soldering flux
- mixture
- nocolok
- automobile condenser
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K1/00—Soldering, e.g. brazing, or unsoldering
- B23K1/008—Soldering within a furnace
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K1/00—Soldering, e.g. brazing, or unsoldering
- B23K1/20—Preliminary treatment of work or areas to be soldered, e.g. in respect of a galvanic coating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K1/00—Soldering, e.g. brazing, or unsoldering
- B23K1/20—Preliminary treatment of work or areas to be soldered, e.g. in respect of a galvanic coating
- B23K1/203—Fluxing, i.e. applying flux onto surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
- B23K35/36—Selection of non-metallic compositions, e.g. coatings, fluxes; Selection of soldering or welding materials, conjoint with selection of non-metallic compositions, both selections being of interest
- B23K35/362—Selection of compositions of fluxes
Abstract
The invention provides a treatment process method after oxidation of an automobile condenser, which comprises the following steps: firstly, weighing a NOCOLOK potassium fluoroaluminate mixture (soldering flux), weighing a certain amount of softened water, preventing the weighed NOCOLOK potassium fluoroaluminate mixture (soldering flux) and the weighed softened water from entering a mixer, mixing the mixture by the mixer, adding a surfactant into the mixer, wherein the content of the surfactant is 0.3%, so as to prepare the spray soldering flux, and when the spray soldering flux is prepared, the prepared spray soldering flux has the concentration of 7%, and the surfactant is sulfuric acid, amino or amino and salt thereof, or hydroxyl, amido, ether bond and the like; the treatment process method for the oxidized automobile condenser has the advantages of simple steps, reduced production cost of the condenser, short manufacturing period and capability of greatly improving the welding rate of the automobile condenser, and the welding rate and the appearance of the oxidized automobile condenser after repair meet the requirements.
Description
Technical Field
The invention relates to the technical field of automobile condenser processing, in particular to a treatment process method for an oxidized automobile condenser.
Background
The automobile condenser is in the production process, because of certain fault factor of brazing furnace equipment lead to the automobile condenser oxidation phenomenon to appear in the brazing process, when the automobile condenser oxidation phenomenon appears, condenser surface generates large tracts of land oxide film (aluminium oxide), its oxide film melting point is high, the welding seam can't be filled to the brazing filler metal, and the rate of welding of fin also can not satisfy the requirement on the condenser core, the automobile condenser of this state can't be reprocessed, can only scrap the processing, so can increase company's manufacturing cost, can't satisfy people's demand
Disclosure of Invention
The technical problem to be solved by the invention is to overcome the existing defects, and provide a treatment process method for the oxidized automobile condenser, which has the advantages of simple steps, reduced production cost of the condenser, capability of meeting the requirements on the welding rate and the appearance of the oxidized automobile condenser after repair, short manufacturing period, capability of greatly improving the welding rate of the automobile condenser and capability of effectively solving the problems in the background technology.
In order to achieve the above object, the present invention proposes: a treatment process method for an oxidized automobile condenser comprises the following steps:
s1) spray flux preparation: firstly, weighing a NOCOLOK potassium fluoroaluminate mixture (soldering flux), measuring a certain amount of softened water, preventing the weighed NOCOLOK potassium fluoroaluminate mixture (soldering flux) and the measured softened water from entering a mixer, mixing by using the mixer, adding a surfactant into the mixer, wherein the content of the surfactant is 0.3%, and thus preparing the spray soldering flux;
s3) spraying: putting the prepared spray soldering flux into a spraying device, then putting an automobile condenser into the spraying device, and passing through the center of a core body of the automobile condenser of the spraying device;
s3) preparing soldering flux by coating: when preparing the smearing brazing flux, measuring and weighing the water-based adhesive and the NOCOLOK potassium fluoroaluminate mixture (brazing flux) to enable the ratio of the water-based adhesive to the NOCOLOK potassium fluoroaluminate mixture (brazing flux) to be 1:1, placing the weighed NOCOLOK potassium fluoroaluminate mixture (brazing flux) and the measured water-based adhesive into a container, stirring the mixture by a stirring device, adding brazing filler metal paste (brazing flux powder) and softened water after stirring, and stirring again to finish the preparation of the smearing brazing flux;
s4) smearing: and uniformly coating the prepared brazing flux between the condenser collecting pipe and the flat pipe and at the welding seam to finish the treatment.
S5) leak detection: then through the appearance detection of preventing to automobile condenser of artifical observation to this prevents to paint inhomogeneously, picks up to leak to place automobile condenser on welding jig after being errorless, and the stove of brazing is introduced into and is reprocessed.
As a preferred technical scheme of the invention: when the spray soldering flux is prepared, the concentration of the prepared spray soldering flux is 7% -9%, and the surfactant is sulfuric acid, amino or amino and salt thereof, and can also be hydroxyl, amide, ether bond and the like.
As a preferred technical scheme of the invention: the relative contents of the prepared coated flux are 500mL of aqueous binder, 500g of potassium fluoroaluminate mixture, 300mL of softened water and 100g of brazing filler metal paste (brazing filler metal powder).
As a preferred technical scheme of the invention: when the coating soldering flux is prepared, the mixture of the water-based adhesive and the NOCOLOK potassium fluoroaluminate (soldering flux) is stirred for 40-60 minutes until the mixture of the water-based adhesive and the NOCOLOK potassium fluoroaluminate (soldering flux) is free of particles.
Compared with the prior art, the invention has the beneficial effects that: the treatment process method for the oxidized automobile condenser has the advantages of simple steps, reduced production cost of the condenser, short manufacturing period and capability of greatly improving the welding rate of the automobile condenser, and the welding rate and the appearance of the oxidized automobile condenser after repair meet the requirements.
Detailed Description
The technical solutions of the present invention are described below clearly and completely with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides the following technical scheme:
the first embodiment is as follows:
a treatment process method for an oxidized automobile condenser comprises the following steps:
s1) spray flux preparation: firstly, weighing a NOCOLOK potassium fluoroaluminate mixture (soldering flux), weighing a certain amount of softened water, preventing the weighed NOCOLOK potassium fluoroaluminate mixture (soldering flux) and the weighed softened water from entering a mixer, mixing the mixture by the mixer, adding a surfactant into the mixer, wherein the content of the surfactant is 0.3%, so as to prepare the spray soldering flux, and when the spray soldering flux is prepared, the prepared spray soldering flux has the concentration of 7%, and the surfactant is sulfuric acid, amino or amino and salt thereof, or hydroxyl, amido, ether bond and the like;
s3) spraying: putting the prepared spray soldering flux into a spraying device, then putting an automobile condenser into the spraying device, and passing through the center of a core body of the automobile condenser of the spraying device;
s3) preparing soldering flux by coating: when preparing the smearing soldering flux, the mixture of the aqueous adhesive and the NOCOLOK potassium fluoroaluminate (soldering flux) is measured and weighed, the ratio of the aqueous adhesive to the NOCOLOK potassium fluoroaluminate mixture (soldering flux) is 1:1, the weighed NOCOLOK potassium fluoroaluminate mixture (soldering flux) and the measured aqueous adhesive are placed in a container, then stirring the mixture by a stirring device, adding brazing filler metal paste (brazing filler metal powder) and softened water after the stirring is finished, stirring the mixture again to finish the preparation of the coated brazing flux, the relative contents of the prepared coating flux are 500mL of aqueous adhesive, 500g of NOCOLOK potassium fluoroaluminate mixture (flux), 300mL of softened water and 100g of brazing filler paste (flux powder), when the coating soldering flux is prepared, stirring a mixture (soldering flux) of the water-based adhesive and the NOCOLOK potassium fluoroaluminate for 40 minutes until the mixture (soldering flux) of the water-based adhesive and the NOCOLOK potassium fluoroaluminate is free of particles;
s4) smearing: and uniformly coating the prepared brazing flux between the condenser collecting pipe and the flat pipe and at the welding seam to finish the treatment.
S5) leak detection: then through the appearance detection of preventing to automobile condenser of artifical observation to this prevents to paint inhomogeneously, picks up to leak to place automobile condenser on welding jig after being errorless, and the stove of brazing is introduced into and is reprocessed.
Example two:
a treatment process method for an oxidized automobile condenser comprises the following steps:
s1) spray flux preparation: firstly, weighing a NOCOLOK potassium fluoroaluminate mixture (soldering flux), weighing a certain amount of softened water, preventing the weighed NOCOLOK potassium fluoroaluminate mixture (soldering flux) and the weighed softened water from entering a mixer, mixing the mixture by the mixer, adding a surfactant into the mixer, wherein the content of the surfactant is 0.3%, so as to prepare the spray soldering flux, and when the spray soldering flux is prepared, the prepared spray soldering flux has the concentration of 8%, and the surfactant is sulfuric acid, amino or amino and salt thereof, or hydroxyl, amido, ether bond and the like;
s3) spraying: putting the prepared spray soldering flux into a spraying device, then putting an automobile condenser into the spraying device, and passing through the center of a core body of the automobile condenser of the spraying device;
s3) preparing soldering flux by coating: when preparing the smearing soldering flux, the mixture of the aqueous adhesive and the NOCOLOK potassium fluoroaluminate (soldering flux) is measured and weighed, the ratio of the aqueous adhesive to the NOCOLOK potassium fluoroaluminate mixture (soldering flux) is 1:1, the weighed NOCOLOK potassium fluoroaluminate mixture (soldering flux) and the measured aqueous adhesive are placed in a container, then stirring the mixture by a stirring device, adding brazing filler metal paste (brazing filler metal powder) and softened water after the stirring is finished, stirring the mixture again to finish the preparation of the coated brazing flux, the relative contents of the prepared coating flux are 500mL of aqueous adhesive, 500g of NOCOLOK potassium fluoroaluminate mixture (flux), 300mL of softened water and 100g of brazing filler paste (flux powder), when the coating soldering flux is prepared, stirring a mixture (soldering flux) of the water-based adhesive and the NOCOLOK potassium fluoroaluminate for 46 minutes until the mixture (soldering flux) of the water-based adhesive and the NOCOLOK potassium fluoroaluminate is free of particles;
s4) smearing: and uniformly coating the prepared brazing flux between the condenser collecting pipe and the flat pipe and at the welding seam to finish the treatment.
S5) leak detection: then through the appearance detection of preventing to automobile condenser of artifical observation to this prevents to paint inhomogeneously, picks up to leak to place automobile condenser on welding jig after being errorless, and the stove of brazing is introduced into and is reprocessed.
Example three:
a treatment process method for an oxidized automobile condenser comprises the following steps:
s1) spray flux preparation: firstly, weighing a NOCOLOK potassium fluoroaluminate mixture (soldering flux), weighing a certain amount of softened water, preventing the weighed NOCOLOK potassium fluoroaluminate mixture (soldering flux) and the weighed softened water from entering a mixer, mixing the mixture by the mixer, adding a surfactant into the mixer, wherein the content of the surfactant is 0.3%, so as to prepare the spray soldering flux, and when the spray soldering flux is prepared, the prepared spray soldering flux has the concentration of 8%, and the surfactant is sulfuric acid, amino or amino and salt thereof, or hydroxyl, amido, ether bond and the like;
s3) spraying: putting the prepared spray soldering flux into a spraying device, then putting an automobile condenser into the spraying device, and passing through the center of a core body of the automobile condenser of the spraying device;
s3) preparing soldering flux by coating: when preparing the smearing soldering flux, the mixture of the aqueous adhesive and the NOCOLOK potassium fluoroaluminate (soldering flux) is measured and weighed, the ratio of the aqueous adhesive to the NOCOLOK potassium fluoroaluminate mixture (soldering flux) is 1:1, the weighed NOCOLOK potassium fluoroaluminate mixture (soldering flux) and the measured aqueous adhesive are placed in a container, then stirring the mixture by a stirring device, adding brazing filler metal paste (brazing filler metal powder) and softened water after the stirring is finished, stirring the mixture again to finish the preparation of the coated brazing flux, the relative contents of the prepared coating flux are 500mL of aqueous adhesive, 500g of NOCOLOK potassium fluoroaluminate mixture (flux), 300mL of softened water and 100g of brazing filler paste (flux powder), when the coating soldering flux is prepared, when the mixture of the water-based adhesive and the NOCOLOK potassium fluoroaluminate (soldering flux) is stirred, the stirring time is 52 minutes, and the stirring is carried out until the mixture of the water-based adhesive and the NOCOLOK potassium fluoroaluminate (soldering flux) has no particles;
s4) smearing: and uniformly coating the prepared brazing flux between the condenser collecting pipe and the flat pipe and at the welding seam to finish the treatment.
S5) leak detection: then through the appearance detection of preventing to automobile condenser of artifical observation to this prevents to paint inhomogeneously, picks up to leak to place automobile condenser on welding jig after being errorless, and the stove of brazing is introduced into and is reprocessed.
Example four:
a treatment process method for an oxidized automobile condenser comprises the following steps:
s1) spray flux preparation: firstly, weighing a NOCOLOK potassium fluoroaluminate mixture (soldering flux), weighing a certain amount of softened water, preventing the weighed NOCOLOK potassium fluoroaluminate mixture (soldering flux) and the weighed softened water from entering a mixer, mixing the mixture by the mixer, adding a surfactant into the mixer, wherein the content of the surfactant is 0.3%, so as to prepare the spray soldering flux, and when the spray soldering flux is prepared, the prepared spray soldering flux has the concentration of 9%, and the surfactant is sulfuric acid, amino or amino and salt thereof, or hydroxyl, amido, ether bond and the like;
s3) spraying: putting the prepared spray soldering flux into a spraying device, then putting an automobile condenser into the spraying device, and passing through the center of a core body of the automobile condenser of the spraying device;
s3) preparing soldering flux by coating: when preparing the smearing soldering flux, the mixture of the aqueous adhesive and the NOCOLOK potassium fluoroaluminate (soldering flux) is measured and weighed, the ratio of the aqueous adhesive to the NOCOLOK potassium fluoroaluminate mixture (soldering flux) is 1:1, the weighed NOCOLOK potassium fluoroaluminate mixture (soldering flux) and the measured aqueous adhesive are placed in a container, then stirring the mixture by a stirring device, adding brazing filler metal paste (brazing filler metal powder) and softened water after the stirring is finished, stirring the mixture again to finish the preparation of the coated brazing flux, the relative contents of the prepared coating flux are 500mL of aqueous adhesive, 500g of NOCOLOK potassium fluoroaluminate mixture (flux), 300mL of softened water and 100g of brazing filler paste (flux powder), when the coating soldering flux is prepared, stirring a mixture (soldering flux) of the water-based adhesive and the NOCOLOK potassium fluoroaluminate for 60 minutes until the mixture (soldering flux) of the water-based adhesive and the NOCOLOK potassium fluoroaluminate has no particles;
s4) smearing: and uniformly coating the prepared brazing flux between the condenser collecting pipe and the flat pipe and at the welding seam to finish the treatment.
S5) leak detection: then through the appearance detection of preventing to automobile condenser of artifical observation to this prevents to paint inhomogeneously, picks up to leak to place automobile condenser on welding jig after being errorless, and the stove of brazing is introduced into and is reprocessed.
The invention has the advantages that: the treatment process method for the oxidized automobile condenser has the advantages of simple steps, reduced production cost of the condenser, short manufacturing period and capability of greatly improving the welding rate of the automobile condenser, and the welding rate and the appearance of the oxidized automobile condenser after repair meet the requirements.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. A treatment process method after oxidation of an automobile condenser is characterized by comprising the following steps: the method comprises the following steps:
s1) spray flux preparation: firstly, weighing a potassium fluoroaluminate mixture (soldering flux), weighing a certain amount of softened water, preventing the weighed potassium fluoroaluminate mixture (soldering flux) and the weighed softened water from entering a mixer, mixing by using the mixer, adding a surfactant into the mixer, wherein the content of the surfactant is 0.3%, and thus preparing the spray soldering flux;
s3) spraying: putting the prepared spray soldering flux into a spraying device, then putting an automobile condenser into the spraying device, and passing through the center of a core body of the automobile condenser of the spraying device;
s3) preparing soldering flux by coating: when preparing the smearing brazing flux, measuring and weighing the water-based adhesive and the NOCOLOK potassium fluoroaluminate mixture (brazing flux) to enable the ratio of the water-based adhesive to the NOCOLOK potassium fluoroaluminate mixture (brazing flux) to be 1:1, placing the weighed NOCOLOK potassium fluoroaluminate mixture (brazing flux) and the measured water-based adhesive into a container, stirring the mixture by a stirring device, adding brazing filler metal paste (brazing flux powder) and softened water after stirring, and stirring again to finish the preparation of the smearing brazing flux;
s4) smearing: uniformly coating the prepared brazing flux between the condenser collecting pipe and the flat pipe and at the welding seam to finish the treatment;
s5) leak detection: then through the appearance detection of preventing to automobile condenser of artifical observation to this prevents to paint inhomogeneously, picks up to leak to place automobile condenser on welding jig after being errorless, and the stove of brazing is introduced into and is reprocessed.
2. The treatment process method of the oxidized automobile condenser according to claim 1, characterized in that: when the spray soldering flux is prepared, the concentration of the prepared spray soldering flux is 7% -9%, and the surfactant is sulfuric acid, amino or amino and salt thereof, and can also be hydroxyl, amide, ether bond and the like.
3. The treatment process method of the oxidized automobile condenser according to claim 1, characterized in that: the relative contents of the flux coating when prepared are 500mL of aqueous binder, 500g of NOCOLOK potassium fluoroaluminate mixture (flux), 300mL of softened water and 100g of solder paste (flux powder).
4. The treatment process method of the oxidized automobile condenser according to claim 1, characterized in that: when the coating soldering flux is prepared, the mixture of the water-based adhesive and the NOCOLOK potassium fluoroaluminate (soldering flux) is stirred for 40-60 minutes until the mixture of the water-based adhesive and the NOCOLOK potassium fluoroaluminate (soldering flux) is free of particles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011181938.XA CN112276276A (en) | 2020-10-29 | 2020-10-29 | Treatment process method for oxidized automobile condenser |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011181938.XA CN112276276A (en) | 2020-10-29 | 2020-10-29 | Treatment process method for oxidized automobile condenser |
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| CN112276276A true CN112276276A (en) | 2021-01-29 |
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| CN202011181938.XA Pending CN112276276A (en) | 2020-10-29 | 2020-10-29 | Treatment process method for oxidized automobile condenser |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59232694A (en) * | 1983-06-15 | 1984-12-27 | Showa Alum Corp | Brazing method of heat exchanger formed of aluminum |
| JPS60170596A (en) * | 1984-02-14 | 1985-09-04 | Furukawa Alum Co Ltd | Flux for soldering of aluminum member |
| CN102744478A (en) * | 2012-07-30 | 2012-10-24 | 浙江创新汽车空调有限公司 | Manufacturing process of compound heat exchanger |
| CN102764938A (en) * | 2012-07-18 | 2012-11-07 | 熊进 | Aluminum soldering paste |
| CN109737644A (en) * | 2018-12-29 | 2019-05-10 | 东莞市丰瑞德温控技术有限公司 | A kind of manufacture craft of the parallel flow heat exchanger of enhancing structure intensity |
| CN110270774A (en) * | 2019-06-24 | 2019-09-24 | 惠州市卓纳新材料有限公司 | A kind of aqueous aluminium soldering cream of soy bean milk making machine heat-generating pipe soldering |
-
2020
- 2020-10-29 CN CN202011181938.XA patent/CN112276276A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59232694A (en) * | 1983-06-15 | 1984-12-27 | Showa Alum Corp | Brazing method of heat exchanger formed of aluminum |
| JPS60170596A (en) * | 1984-02-14 | 1985-09-04 | Furukawa Alum Co Ltd | Flux for soldering of aluminum member |
| CN102764938A (en) * | 2012-07-18 | 2012-11-07 | 熊进 | Aluminum soldering paste |
| CN102744478A (en) * | 2012-07-30 | 2012-10-24 | 浙江创新汽车空调有限公司 | Manufacturing process of compound heat exchanger |
| CN109737644A (en) * | 2018-12-29 | 2019-05-10 | 东莞市丰瑞德温控技术有限公司 | A kind of manufacture craft of the parallel flow heat exchanger of enhancing structure intensity |
| CN110270774A (en) * | 2019-06-24 | 2019-09-24 | 惠州市卓纳新材料有限公司 | A kind of aqueous aluminium soldering cream of soy bean milk making machine heat-generating pipe soldering |
Non-Patent Citations (1)
| Title |
|---|
| 洪松涛 等: "《焊工常用技术手册》", 30 June 2009, 上海科学技术出版社 * |
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