CN106493515B - A kind of shell production method - Google Patents
A kind of shell production method Download PDFInfo
- Publication number
- CN106493515B CN106493515B CN201610874062.4A CN201610874062A CN106493515B CN 106493515 B CN106493515 B CN 106493515B CN 201610874062 A CN201610874062 A CN 201610874062A CN 106493515 B CN106493515 B CN 106493515B
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- CN
- China
- Prior art keywords
- household appliance
- resistance
- production method
- shell assembly
- appliance shell
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- 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
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/02—Processes for applying liquids or other fluent materials performed by spraying
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/02—Processes for applying liquids or other fluent materials performed by spraying
- B05D1/04—Processes for applying liquids or other fluent materials performed by spraying involving the use of an electrostatic field
- B05D1/06—Applying particulate materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/10—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by other chemical means
- B05D3/102—Pretreatment of metallic substrates
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Preventing Corrosion Or Incrustation Of Metals (AREA)
- Paints Or Removers (AREA)
Abstract
The invention discloses a kind of shell production methods, belong to field of home appliance technology.The shell production method is the following steps are included: carry out resistance and fingerprint resistance processing to metal plate coils；Uncoiling blanking is carried out to resistance and fingerprint resistance treated metal plate coils are carried out；To the metallic plate punching molding after uncoiling blanking, household appliance shell sheet metal component is obtained；Household appliance shell sheet metal component is assembled, household appliance shell assembly is obtained；Coating Pretreatment is carried out to household appliance shell assembly；It paints to the household appliance shell assembly after Coating Pretreatment.Inventive shell production method carries out Coating Pretreatment to household appliance shell assembly, without carrying out phosphorating treatment in pre-treatment, avoid the phosphorized waste water of high pollution, it reduces environmental pollution, cost for wastewater treatment is reduced, and shortens process flow, accelerates rhythm of production, production cost is reduced, is painted to the household appliance shell assembly after Coating Pretreatment.
Description
Technical field
The present invention relates to field of home appliance technology, in particular to a kind of shell production method
Background technique
In order to improve the corrosion resistance of household appliance shell, most of shell dusts after using steel plate forming or Spray Painter
Skill.Metal surface must carry out preceding processing, general procedure before coating are as follows: degreasing-washing-washing-table tune-phosphatization-washing-water
It washes-dries.The purpose of phosphatization process is to form one layer of phosphating coat in metal surface, improves the coating adhesive force of metal surface and resistance to
Corrosivity.Phosphatization process generate waste water is phosphorous, heavy metal and sodium nitrite etc., pollute the environment, cost for wastewater treatment
It is higher, the raising of production cost is caused, in addition, the pretreatment procedure process flow of the sequence containing phosphorous chemical industry is long, rhythm of production is slow, also makes
At the raising of production cost.
Summary of the invention
The present invention provides a kind of shell production method, solve or part solve in the prior art metal surface in coating
Use phosphatization process when pre-treatment, phosphatization process generate waste water is phosphorous, heavy metal and sodium nitrite etc., dirt is caused to environment
Dye, cost for wastewater treatment is higher, and the pretreatment procedure process flow of the sequence containing phosphorous chemical industry is long, and rhythm of production is slow, causes production cost
The problem that develops skill.
In order to solve the above technical problems, the present invention provides a kind of shell production methods the following steps are included: to metal plate
Volume carries out resistance and fingerprint resistance processing；To carrying out resistance and fingerprint resistance treated, the metal plate coils carry out uncoiling blanking；After uncoiling blanking
The metallic plate punching molding, obtains household appliance shell sheet metal component；The household appliance shell sheet metal component is assembled,
Obtain household appliance shell assembly；Coating Pretreatment is carried out to the household appliance shell assembly；After Coating Pretreatment
The household appliance shell assembly paint.
Further, the metal plate coils are heat zinc coating plate or electrolytic galvanized sheet.
Further, the resistance and fingerprint resistance treatment agent for use when resistance and fingerprint resistance processing to metal plate coils is with organic tree
Rouge, SiO2And organosilan is primary raw material.
Further, treated that the metal plate coils carry out uncoiling blanking includes: the gold for described pair of progress resistance and fingerprint resistance
Belong to coiled sheet and carries out the ratio between control shearing area euphotic belt and tearing band when uncoiling blanking≤1.
Further, described includes: described to the family to household appliance shell assembly progress Coating Pretreatment
The process flow that electrical appliance shell assembly carries out Coating Pretreatment includes: degreasing-washing-washing-washing-drying.
Further, the washing includes: to add corrosion inhibiter in the second rinsing bowl after the degreasing.
Further, the corrosion inhibiter includes triazole class compounds.
Further, the corrosion inhibiter includes the following esters of general structure:
Further, it includes: described that the household appliance shell assembly to after Coating Pretreatment, which carries out japanning,
Japanning mode includes powder coating electrostatic spraying.
Further, it includes: described that the household appliance shell assembly to after Coating Pretreatment, which carries out japanning,
Japanning mode includes liquid lacquer spraying.
Shell production method provided by the invention carries out resistance and fingerprint resistance processing to metal plate coils, after carrying out resistance and fingerprint resistance processing
Metal plate coils carry out uncoiling blanking, to after uncoiling blanking metallic plate punching form, obtain household appliance shell sheet metal component,
Household appliance shell sheet metal component is assembled, household appliance shell assembly is obtained, household appliance shell assembly is carried out
Coating Pretreatment avoids the phosphorized waste water of high pollution, reduces environmental pollution, drop without carrying out phosphorating treatment in pre-treatment
Low cost for wastewater treatment, and process flow is shortened, rhythm of production is accelerated, production cost is reduced, to Coating Pretreatment
Household appliance shell assembly afterwards is painted.
Detailed description of the invention
Fig. 1 is shell production method flow diagram provided in an embodiment of the present invention.
Specific embodiment
Referring to Fig. 1, a kind of shell production method provided in an embodiment of the present invention the following steps are included:
Step 1, resistance and fingerprint resistance processing is carried out to metal plate coils.
Step 2, to carrying out resistance and fingerprint resistance treated, the metal plate coils carry out uncoiling blanking.
Step 3, the metallic plate punching after uncoiling blanking is formed, obtains household appliance shell sheet metal component.
Step 4, the household appliance shell sheet metal component is assembled, obtains household appliance shell assembly.
Step 5, Coating Pretreatment is carried out to the household appliance shell assembly.
Step 6, it paints to the household appliance shell assembly after Coating Pretreatment.
Step 1 is discussed in detail.
The metal plate coils are heat zinc coating plate or electrolytic galvanized sheet, and the heat zinc coating plate and electrolytic galvanized sheet processing cost are low, hold
Long durable, good reliability, ductility of electrodeposited film is strong and good corrosion resistance.
The resistance and fingerprint resistance treatment agent for use when resistance and fingerprint resistance processing to metal plate coils is with organic resin, SiO2And
Organosilan is primary raw material.Resistance and fingerprint resistance processing can avoid the fingerprint that leaves in the fabrication process of metal surface cause corrosion and
Influence the beauty of finished product；Resistance and fingerprint resistance handles rear surface corrosion resistance height, avoids corroding in transit；Table after resistance and fingerprint resistance processing
Coating adhesive force in face is good, can satisfy subsequent coating specification without carrying out phosphatization also in pretreatment process；It is free of in anti-fingerprint dope
The elements such as Cr meet every environmental requirement both at home and abroad to household electrical appliance.
Step 2 is discussed in detail.
Treated that the metal plate coils carry out uncoiling blanking includes: that the metal plate coils carry out for described pair of progress resistance and fingerprint resistance
The ratio between control shearing area euphotic belt when uncoiling blanking and tear band≤1, the coating adhesive force of cutting part can be improved.
Step 5 is discussed in detail.
Described includes: described to the household appliance shell to household appliance shell assembly progress Coating Pretreatment
The process flow that assembly carries out Coating Pretreatment includes: degreasing-washing-washing-washing-drying.The degreasing includes: in institute
It states and adds corrosion inhibiter in the second rinsing bowl after degreasing, can be improved resistance in the hot and humid environment of cutting part after degreasing
Corrosivity.The corrosion inhibiter includes triazole class compounds, such as methylbenzotriazole (TTA), molecular formula: C7H7N3。
The corrosion inhibiter includes the following esters of general structure:
Step 6 is discussed in detail.
It includes: the japanning mode packet that the household appliance shell assembly to after Coating Pretreatment, which carries out japanning,
Include powder coating electrostatic spraying.
It includes: the japanning mode packet that the household appliance shell assembly to after Coating Pretreatment, which carries out japanning,
Include liquid lacquer spraying.
The embodiment of the present invention is introduced in order to clearer, is introduced from the application method of the embodiment of the present invention below.
The surface heat zinc coating plate DX51D+Z zinc-plated producing line carry out resistance and fingerprint resistance processing, resistance and fingerprint resistance treatment agent it is characterized in that with
Organic resin+SiO2+ organosilan is primary raw material, and used heat zinc coating plate surface carries out resistance and fingerprint resistance processing, can avoid plating
The fingerprint that zine plate leaves in the fabrication process causes corrosion and influences the beauty of cabinet finished surface；Improve zinc-plated plate surface
Corrosion resistance, avoid corroding in transit；The coating adhesive force of galvanized sheet is improved, is not necessarily to carry out in pretreatment process
Phosphatization also can satisfy subsequent coating specification；Without elements such as Cr in anti-fingerprint dope, meet both at home and abroad to computer housing material
Every environmental requirement.Galvanized sheet carries out uncoiling blanking, and after removing phosphatization process, galvanized sheet cutting part is in pretreatment process
Coating adhesive force in corrosion resistance and coating process is unstable.Therefore the light that the present invention passes through shearing area after control blanking
The ratio between band and tearing band≤1, the stability of cutting part coating adhesive force, control shearing area euphotic belt and tearing can be improved
The ratio between band≤1, can be improved the coating adhesive force of cutting part.Galvanized sheet carries out punch forming, and each chassis components are made, such as gold
Belong to side plate, top plate, rack.Computer housing metal parts is fitted together, computer housing semi-finished product are made.By computer housing half
Finished product carries out following spraying pre-treatment: degreasing-washing-washing-washing-drying is wherein added in the second rinsing bowl after degreasing
The corrosion resistance in the hot and humid environment of cutting part after degreasing can be improved in corrosion inhibiter.The corrosion inhibiter can be with are as follows: three
Azole compounds, such as methylbenzotriazole (TTA), molecular formula: C7H7N3Or the esters that general structure is following:
It is not necessarily to carry out phosphorating treatment in pretreatment process, avoids the phosphorized waste water of high pollution, reduce environmental pollution,
Cost for wastewater treatment is reduced, and shortens process flow, rhythm of production is accelerated, reduces production cost.By computer housing
Semi-finished product are sent into Powder Coating Spraying Room, are sprayed using Electrostatic Absorption mode to chassis components, are then baked to, solidify.
It should be noted last that the above specific embodiment is only used to illustrate the technical scheme of the present invention and not to limit it,
Although being described the invention in detail referring to example, those skilled in the art should understand that, it can be to the present invention
Technical solution be modified or replaced equivalently, without departing from the spirit and scope of the technical solution of the present invention, should all cover
In the scope of the claims of the present invention.
Claims (8)
1. a kind of shell production method, which comprises the following steps:
Resistance and fingerprint resistance processing is carried out to metal plate coils；
Uncoiling blanking is carried out to carrying out resistance and fingerprint resistance treated the metal plate coils, and described pair of progresss resistance and fingerprint resistance is described in treated
It includes: that the metal plate coils carry out control shearing area euphotic belt and tearing band when uncoiling blanking that metal plate coils, which carry out uncoiling blanking,
The ratio between≤1；
To the metallic plate punching molding after uncoiling blanking, household appliance shell sheet metal component is obtained；
The household appliance shell sheet metal component is assembled, household appliance shell assembly is obtained；
Coating Pretreatment is carried out to the household appliance shell assembly, it is described that the household appliance shell assembly is applied
Dress pre-treatment includes: that the process flow that Coating Pretreatment is carried out to the household appliance shell assembly includes: degreasing-water
- washing-is washed to wash-dry；
It paints to the household appliance shell assembly after Coating Pretreatment.
2. production method according to claim 1, it is characterised in that:
The metal plate coils are heat zinc coating plate or electrolytic galvanized sheet.
3. production method according to claim 1, which is characterized in that
The resistance and fingerprint resistance treatment agent for use when resistance and fingerprint resistance processing to metal plate coils is with organic resin, SiO2And it is organic
Silane is primary raw material.
4. production method according to claim 1, which is characterized in that the washing process includes:
Corrosion inhibiter is added in the second rinsing bowl after the degreasing.
5. production method according to claim 4, it is characterised in that:
The corrosion inhibiter includes triazole class compounds.
6. production method according to claim 4, it is characterised in that:
The corrosion inhibiter includes the following esters of general structure:
7. production method according to claim 1, which is characterized in that the household electrical appliance to after Coating Pretreatment
Shell assembly carries out japanning
The japanning mode includes powder coating electrostatic spraying.
8. production method according to claim 1, which is characterized in that the household electrical appliance to after Coating Pretreatment
Shell assembly carries out japanning
The japanning mode includes liquid lacquer spraying.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610874062.4A CN106493515B (en) | 2016-09-30 | 2016-09-30 | A kind of shell production method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610874062.4A CN106493515B (en) | 2016-09-30 | 2016-09-30 | A kind of shell production method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106493515A CN106493515A (en) | 2017-03-15 |
| CN106493515B true CN106493515B (en) | 2019-05-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610874062.4A Active CN106493515B (en) | 2016-09-30 | 2016-09-30 | A kind of shell production method |
Country Status (1)
| Country | Link |
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| CN (1) | CN106493515B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107790353B (en) * | 2017-11-09 | 2021-07-16 | 广东美的制冷设备有限公司 | Air conditioner outdoor unit casing and production method thereof |
| CN109048351A (en) * | 2018-08-01 | 2018-12-21 | 重庆君歌电子科技有限公司 | A kind of automobile data recorder production technology |
Citations (2)
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|---|---|---|---|---|
| CN101509131A (en) * | 2008-02-15 | 2009-08-19 | 宝山钢铁股份有限公司 | Anti-corrosion fingerprint-resistant surface treating pigment and producing method, and use method on stainless steel plate |
| CN103406723A (en) * | 2013-07-26 | 2013-11-27 | 昆山荣傲伟捷贸易有限公司 | Manufacturing method of panel of microwave oven chamber |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004218014A (en) * | 2003-01-15 | 2004-08-05 | Nanmat Technology Co Ltd | Nonchromium surface treatment method for metal |
| KR20100134411A (en) * | 2009-06-15 | 2010-12-23 | 이상목 | Self-assembly car and how to self-assemble |
| CN101773903A (en) * | 2010-01-13 | 2010-07-14 | 江苏设计谷科技有限公司 | Method for spraying household appliance shell |
| CN103331247A (en) * | 2013-06-14 | 2013-10-02 | 山东全通精密薄板有限公司 | Color coating processing method |
| CN104626448A (en) * | 2015-01-15 | 2015-05-20 | 温兵 | Manufacturing process of shell |
-
2016
- 2016-09-30 CN CN201610874062.4A patent/CN106493515B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101509131A (en) * | 2008-02-15 | 2009-08-19 | 宝山钢铁股份有限公司 | Anti-corrosion fingerprint-resistant surface treating pigment and producing method, and use method on stainless steel plate |
| CN103406723A (en) * | 2013-07-26 | 2013-11-27 | 昆山荣傲伟捷贸易有限公司 | Manufacturing method of panel of microwave oven chamber |
Non-Patent Citations (1)
| Title |
|---|
| 新型涂装前处理工艺研究;郭颖浩;《中国优秀硕士学位论文全文数据库工程科技Ⅰ辑》;20140415(第04期);第14-15页 |
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| CN106493515A (en) | 2017-03-15 |
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| CB02 | Change of applicant information |
Address after: 100041 Shijingshan Road, Beijing, No. 68, No. Applicant after: Shougang Group Co. Ltd. Address before: 100041 Shijingshan Road, Beijing, No. 68, No. Applicant before: Capital Iron & Steel General Company |
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