CN117163407A - Zinc steel railing production process - Google Patents
Zinc steel railing production process Download PDFInfo
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- CN117163407A CN117163407A CN202311099099.0A CN202311099099A CN117163407A CN 117163407 A CN117163407 A CN 117163407A CN 202311099099 A CN202311099099 A CN 202311099099A CN 117163407 A CN117163407 A CN 117163407A
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- steel pipe
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- steel
- railing
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 136
- 239000010959 steel Substances 0.000 title claims abstract description 136
- 229910052725 zinc Inorganic materials 0.000 title claims abstract description 68
- 239000011701 zinc Substances 0.000 title claims abstract description 68
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 title claims abstract description 60
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 33
- 239000003973 paint Substances 0.000 claims abstract description 34
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 18
- 239000000463 material Substances 0.000 claims abstract description 18
- 238000005260 corrosion Methods 0.000 claims abstract description 15
- 239000002994 raw material Substances 0.000 claims abstract description 14
- 239000000853 adhesive Substances 0.000 claims abstract description 9
- 230000001070 adhesive effect Effects 0.000 claims abstract description 9
- 238000009434 installation Methods 0.000 claims abstract description 9
- 238000005096 rolling process Methods 0.000 claims abstract description 9
- 238000009749 continuous casting Methods 0.000 claims abstract description 7
- 238000003723 Smelting Methods 0.000 claims abstract description 6
- 239000000126 substance Substances 0.000 claims abstract description 6
- 238000004873 anchoring Methods 0.000 claims abstract description 5
- 238000013461 design Methods 0.000 claims abstract description 5
- 230000000694 effects Effects 0.000 claims abstract description 5
- 230000002285 radioactive effect Effects 0.000 claims abstract description 5
- 238000005507 spraying Methods 0.000 claims description 20
- 238000001035 drying Methods 0.000 claims description 12
- 239000011248 coating agent Substances 0.000 claims description 11
- 238000000576 coating method Methods 0.000 claims description 11
- 229920006300 shrink film Polymers 0.000 claims description 11
- 238000005520 cutting process Methods 0.000 claims description 10
- 238000010438 heat treatment Methods 0.000 claims description 8
- 238000012545 processing Methods 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 238000005246 galvanizing Methods 0.000 claims description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 239000002253 acid Substances 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 6
- 238000005554 pickling Methods 0.000 claims description 6
- 238000005498 polishing Methods 0.000 claims description 6
- 230000002787 reinforcement Effects 0.000 claims description 6
- 238000002791 soaking Methods 0.000 claims description 6
- 238000005452 bending Methods 0.000 claims description 5
- 238000010622 cold drawing Methods 0.000 claims description 5
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 5
- 238000004080 punching Methods 0.000 claims description 5
- 229910001335 Galvanized steel Inorganic materials 0.000 claims description 4
- 230000002378 acidificating effect Effects 0.000 claims description 4
- 239000003518 caustics Substances 0.000 claims description 4
- 238000004140 cleaning Methods 0.000 claims description 4
- 231100001010 corrosive Toxicity 0.000 claims description 4
- 239000008397 galvanized steel Substances 0.000 claims description 4
- 239000004519 grease Substances 0.000 claims description 4
- 238000005098 hot rolling Methods 0.000 claims description 4
- 238000007689 inspection Methods 0.000 claims description 4
- 230000008569 process Effects 0.000 claims description 4
- 230000001681 protective effect Effects 0.000 claims description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 3
- 230000009471 action Effects 0.000 claims description 3
- 239000012752 auxiliary agent Substances 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 238000005553 drilling Methods 0.000 claims description 3
- 238000007590 electrostatic spraying Methods 0.000 claims description 3
- 239000000945 filler Substances 0.000 claims description 3
- 229920006015 heat resistant resin Polymers 0.000 claims description 3
- 229910052742 iron Inorganic materials 0.000 claims description 3
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims description 3
- 230000000704 physical effect Effects 0.000 claims description 3
- 239000000049 pigment Substances 0.000 claims description 3
- 150000003839 salts Chemical class 0.000 claims description 3
- 229910052710 silicon Inorganic materials 0.000 claims description 3
- 239000010703 silicon Substances 0.000 claims description 3
- 239000002904 solvent Substances 0.000 claims description 3
- 238000001179 sorption measurement Methods 0.000 claims description 3
- 238000005253 cladding Methods 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims 1
- 230000002457 bidirectional effect Effects 0.000 abstract description 5
- 238000004040 coloring Methods 0.000 abstract description 2
- 239000000243 solution Substances 0.000 description 12
- 239000002585 base Substances 0.000 description 4
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- 229920006257 Heat-shrinkable film Polymers 0.000 description 2
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- 239000003513 alkali Substances 0.000 description 2
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- 238000005406 washing Methods 0.000 description 2
- 229910001297 Zn alloy Inorganic materials 0.000 description 1
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- 239000000956 alloy Substances 0.000 description 1
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- 239000012298 atmosphere Substances 0.000 description 1
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- 239000007822 coupling agent Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007888 film coating Substances 0.000 description 1
- 238000009501 film coating Methods 0.000 description 1
- 239000002654 heat shrinkable material Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 231100000956 nontoxicity Toxicity 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
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- 238000009736 wetting Methods 0.000 description 1
- 239000012224 working solution Substances 0.000 description 1
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- Coating With Molten Metal (AREA)
Abstract
The invention discloses a zinc steel railing production process, which relates to the field of zinc steel railing production and comprises the following steps: and (3) pattern design: according to the use and installation requirements of the railing, determining the style and the size of the railing; and (3) raw material production: selecting proper steel, smelting at high temperature, preparing the smelted high-temperature molten steel into a steel pipe blank through a continuous casting or rolling process, and extruding the steel pipe blank into a required steel pipe shape through a forming machine. According to the invention, the high-zinc phosphating layer, the high-temperature-resistant anti-corrosion primer and the interfacial agent are arranged, so that the high-zinc phosphating layer has a film-forming protection function, and the high-temperature-resistant anti-corrosion primer has excellent heat resistance; the adhesive force is strong, the mechanical property is good, the physical technical property and the surface chemical property of the material surface are improved or completely changed by the interfacial agent, and the bidirectional osmosis bonding is realized, so that the bidirectional paint is permanently and firmly bonded together by the radioactive chain type anchoring effect, and the high-temperature-resistant anti-corrosion primer and the coloring paint can be fastened on the zinc steel pipe and are not easy to crack, bubble and fall off.
Description
Technical Field
The invention relates to the field of zinc steel railing production, in particular to a zinc steel railing production process.
Background
The railing plays a role in separation and guiding in use, so that the boundary of a segmented area is clear, the designed railing has great decorative significance, and the zinc steel railing is a balcony railing made of zinc alloy materials, and is a main stream product used in residential communities due to the advantages of high strength, high hardness, exquisite appearance, bright color and the like.
After the paint on the surface of the existing zinc steel railing is used for a period of time, the paint is easy to dry and crack, and even fall off, so that the ornamental value of the railing is poor, regular maintenance is required, and the railing is very inconvenient; in addition, in the initial stage of installation and house balcony decoration of the railing, various decoration works easily cause abrasion to the surface paint of the railing, so that the railing paint falls off.
Disclosure of Invention
The invention aims at: in order to solve the problems of zinc steel railing paint dry cracking and easy abrasion of paint, a zinc steel railing production process is provided.
In order to achieve the above purpose, the present invention provides the following technical solutions: a zinc steel railing production process, comprising:
and (3) pattern design: according to the use and installation requirements of the railing, determining the style and the size of the railing;
and (3) raw material production: selecting proper steel, smelting at high temperature, preparing the smelted high-temperature molten steel into a steel pipe blank through a continuous casting or rolling process, and extruding the steel pipe blank into a required steel pipe shape through a forming machine;
and (3) processing a base material: cleaning the surface of a steel pipe, removing grease and rust, soaking the steel pipe in acidic liquid, removing oxide layers and corrosives on the surface, and finally soaking the pickled steel pipe in a hot dip galvanizing tank for galvanizing;
railing polishing: firstly cutting the steel pipe into a required size according to a drawing, then using a machine tool to perform operations such as punching, chamfering and the like, and polishing at the same time;
and (3) paint spraying treatment: firstly, electrostatically spraying a high-zinc phosphating layer on the surface of a zinc steel pipe, and then rolling-coating high-temperature-resistant anti-corrosion primer again;
and (5) paint reinforcement: spraying an interface agent on the high-temperature-resistant anti-corrosion primer, carrying out electrostatic spraying on the colored paint after drying and fixing, and then placing the zinc steel pipe into a drying device for drying treatment;
assembling a railing: the zinc steel pipes with different sizes after paint spraying are assembled through installation parts such as bolts and the like to manufacture zinc steel rails;
coating and wrapping: and wrapping the assembled zinc steel railing surface with a layer of shrink film, and heating and shrinking the shrink film on the railing surface by using a hot air blower to form the protective film.
Preferably, the steel pipe in the raw material production is mainly steel billets, generally hot rolled coils, cold rolled coils or steel pipe billets, and when the raw materials are selected, the purpose and performance requirements of the steel pipe need to be considered, and proper steel materials need to be selected.
Preferably, the steel pipe blank is formed in various modes, such as hot rolling, cold drawing, cold bending and the like, and the precision and the surface quality of the steel pipe are affected by different forming modes.
Preferably, the galvanized steel pipe in the substrate processing needs to be subjected to quality inspection, and the thickness, the adhesive force and the appearance quality of a zinc layer on the surface of the steel pipe are checked, wherein iron scales (FeO, fe3O4 and Fe2O 3) on the surface of the steel pipe are all oxides which are insoluble in water, and during pickling, the oxides respectively react with acid in a series of chemical reactions, so that ferric salt which is soluble in water is generated and is dissolved in pickling solution, and the low-cyanide, micro-cyanide and cyanide-free galvanization solution used in the galvanization is obtained.
Preferably, the zinc steel pipe is perforated by a drilling machine tool, so that a chamfering machine is used for chamfering, and a cutting machine is used for size cutting.
Preferably, the phosphating solution is prepared in the paint spraying treatment, the phosphating solution is sprayed on the surface of the zinc steel pipe to form a fine phosphating film, and the zinc steel pipe after phosphating is dried.
Preferably, the high-temperature-resistant anti-corrosion primer in the paint spraying treatment consists of special organic silicon heat-resistant resin, heat-resistant pigment, filler, auxiliary agent and solvent, and has excellent heat resistance; the adhesive force is strong, and the mechanical property is good.
Preferably, the interfacial agent in the reinforcement of the paint is applied by treating the surface of the object, which may be adsorption or coating by physical action, and often by physicochemical action, in order to improve or completely alter the physical technical properties and surface chemical characteristics of the material surface, and the interfacial agent is bonded by bi-directional osmosis, which produces a radioactive chain anchoring effect to permanently and firmly bond the bi-directional paint together.
Preferably, the shrink film in the film coating package is a film which tightly packages the object by utilizing a pre-stretching film through heat shrinkage, and has higher puncture resistance, good shrinkage and certain shrinkage stress.
Compared with the prior art, the invention has the beneficial effects that:
firstly, the high-zinc phosphating layer, the high-temperature-resistant anti-corrosion primer and the interfacial agent are arranged, so that the high-zinc phosphating layer has a film-forming protection function and the high-temperature-resistant anti-corrosion primer has excellent heat resistance; the adhesive force is strong, the mechanical property is good, the physical technical property and the surface chemical property of the material surface are improved or completely changed by the interfacial agent, and the bidirectional osmosis bonding is realized, so that the bidirectional paint is permanently and firmly bonded together by the radioactive chain type anchoring effect, and the high-temperature-resistant anti-corrosion primer and the coloring paint can be fastened on the zinc steel pipe and are not easy to crack, bubble and fall off.
Secondly, the surface of the assembled zinc steel railing is wrapped with a layer of shrink film by the coating wrapping, and the shrink film is heated and shrunk on the surface of the railing by using the hot air blower to form the protective film, so that the damage caused by friction during transportation, installation and decoration of the zinc steel railing can be reduced.
Drawings
FIG. 1 is a schematic flow chart of the method of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to FIG. 1, a zinc steel railing manufacturing process includes
And (3) pattern design: according to the use and installation requirements of the railing, determining the style and the size of the railing;
and (3) raw material production: selecting proper steel, smelting at high temperature, preparing the smelted high-temperature molten steel into a steel pipe blank through a continuous casting or rolling process, and extruding the steel pipe blank into a required steel pipe shape through a forming machine;
and (3) processing a base material: cleaning the surface of a steel pipe, removing grease and rust, soaking the steel pipe in acidic liquid, removing oxide layers and corrosives on the surface, and finally soaking the pickled steel pipe in a hot dip galvanizing tank for galvanizing;
railing polishing: firstly cutting the steel pipe into a required size according to a drawing, then using a machine tool to perform operations such as punching, chamfering and the like, and polishing at the same time;
and (3) paint spraying treatment: firstly, electrostatically spraying a high-zinc phosphating layer on the surface of a zinc steel pipe, and then rolling-coating high-temperature-resistant anti-corrosion primer again;
and (5) paint reinforcement: spraying an interface agent on the high-temperature-resistant anti-corrosion primer, carrying out electrostatic spraying on the colored paint after drying and fixing, and then placing the zinc steel pipe into a drying device for drying treatment;
assembling a railing: the zinc steel pipes with different sizes after paint spraying are assembled through installation parts such as bolts and the like to manufacture zinc steel rails;
coating and wrapping: and wrapping the assembled zinc steel railing surface with a layer of shrink film, and heating and shrinking the shrink film on the railing surface by using a hot air blower to form the protective film.
Example 1
As a preferred embodiment of the present invention: the raw materials of the steel pipe in raw material production are mainly billets, generally hot rolled coils, cold rolled coils or steel pipe billets, and when the raw materials are selected, the purpose and performance requirements of the steel pipe need to be considered, and proper steel materials are selected;
the raw materials of the steel pipe mainly comprise steel billets, and can be hot rolled coils, cold rolled coils or steel pipe billets, and when the raw materials are selected, the purpose and performance requirements of the steel pipe need to be considered, and proper steel materials are selected; putting the selected steel into a furnace for smelting, and melting the steel at high temperature to enable the steel to be in a liquid state, wherein the furnace temperature and the furnace atmosphere need to be controlled in the smelting process so as to ensure the quality of the steel; forming the molten steel after melting into a steel pipe blank through a continuous casting or rolling process; the continuous casting is to inject molten steel into a continuous casting machine, obtain a continuous billet through cooling and solidification, and the rolling is to pour molten steel into a steel pipe die, and obtain a steel pipe blank through multi-pass rolling and cooling; and (3) specifically forming the steel pipe blank into the required steel pipe shape through a forming machine.
Example 2
As a preferred embodiment of the present invention: the steel tube blank is formed in various modes, such as hot rolling, cold drawing, cold bending and the like, and the precision and the surface quality of the steel tube are affected by different forming modes;
cold rolling is rolling at a temperature below the recrystallization temperature, hot rolling is rolling at a temperature above the recrystallization temperature, cold drawing is a processing technique of a material, cold drawing refers to drawing under the condition that the material is at normal temperature in order to achieve a certain shape and a certain mechanical property for a metal material, and cold bending refers to mechanically bending a metal material plate and a strip into a section bar with a certain shape and size at room temperature.
Example 3
As a preferred embodiment of the present invention: the galvanized steel pipe is required to be subjected to quality inspection in the process of processing a base material, the thickness, the adhesive force and the appearance quality of a zinc layer on the surface of the steel pipe are checked, iron scales (FeO, fe3O4 and Fe2O 3) on the surface of the steel pipe are all oxides which are insoluble in water, and during pickling, the oxides respectively react with acid in a series of chemical reactions, so that ferric salt which is soluble in water is generated and is dissolved in pickling solution, and the low-cyanide, micro-cyanide and cyanide-free galvanization solution used in the galvanization is prepared;
cleaning the surface of the steel pipe, and removing impurities such as grease, rust and the like on the surface; acid washing: immersing the steel pipe in an acidic liquid to remove oxide layers, rust and corrosives on the surface of the steel pipe so as to obtain a clean and smooth surface of the steel pipe; immersing in a hot dip zinc bath: immersing the polished steel tube in a heated hot dip galvanizing bath to enable the steel tube to be in contact with zinc solution, so that a zinc layer can be formed on the surface of the steel tube; and (3) checking quality: the galvanized steel pipe is required to be subjected to quality inspection, and the thickness, adhesive force, appearance quality and the like of a zinc layer on the surface of the steel pipe are inspected.
Example 4
As a preferred embodiment of the present invention: punching the zinc steel pipe by using a drilling machine tool to enable a chamfering machine to chamfer, and cutting the zinc steel pipe by using a cutting machine to cut the zinc steel pipe in size;
the punching machine is a small precise machine tool specially used for die manufacturing, hardware machine, machine tool manufacturing, hydraulic part, valve manufacturing, chamfering of textile machinery, deburring and planing, etc. the chamfering machine adopts a trend of development of mechanical industry, can be divided into linear chamfering and curve chamfering according to chamfering requirement, and zinc steel pipe cutting is generally divided into linear chamfering and curve chamfering according to chamfering requirement by using a flame cutter.
Example 5
As a preferred embodiment of the present invention: preparing phosphating solution in the paint spraying treatment, spraying the phosphating solution on the surface of the zinc steel pipe to form a fine phosphating film, and drying the zinc steel pipe after phosphating;
the preparation of the phosphating solution requires adding phosphating powder and water according to the following ratio of 1:20, fully stirring and dissolving, adding an accelerator, uniformly stirring, analyzing the free acidity and the total acidity of the assay working solution, and adjusting the free acidity and the total acidity to the technological requirements for use; immediately immersing the steel pipe into the prepared phosphating solution, carrying out phosphating treatment for 5-15 minutes until a uniform and fine phosphating film is formed on the surface, taking out the workpiece, washing the workpiece cleanly, and then carrying out drying treatment (which can be dried, blow-dried or air-dried), thereby completing phosphating treatment and forming a high-zinc phosphating layer.
Example 6
As a preferred embodiment of the present invention: the high-temperature-resistant anti-corrosion primer in the paint spraying treatment consists of special organic silicon heat-resistant resin, heat-resistant pigment, filler, auxiliary agent and solvent, and has excellent heat resistance; the adhesive force is strong, and the mechanical property is good;
the high temperature resistant anticorrosive primer is roll coated, and the zinc steel pipe is degreased, derusted and sandblasted to avoid the influence of the unclean matter on the adhesion and heat resistance.
Example 7
As a preferred embodiment of the present invention: the interfacial agent in paint reinforcement is used for improving or completely changing the physical technical performance and surface chemical characteristics of the material surface by treating the surface of an object, wherein the interfacial agent is used for carrying out adsorption or cladding of physical action and often physicochemical action, and the interfacial agent is used for carrying out bi-directional penetration bonding, so that a radioactive chain type anchoring effect is generated to permanently and firmly bond the bi-directional paint together.
The interfacial agent is used for treating the surface of an object to improve the surface property of the material, and is called surface treatment, and the interfacial agent is applied in different fields and has different technological means and purposes for treating the surface of the object, and the common interfacial agent can be used for treating and modifying the interface of the object in four technological types: wetting and dipping, coating treatment, coupling agent treatment and surface modification, has high softness and toughness, good air permeability, freeze thawing resistance, water resistance, aging resistance, no toxicity, no smell and no pollution, is a green environment-friendly product, has acid and alkali resistance and weather resistance, has good adaptability and affinity with acid and alkali materials, has a dry construction environment of the interfacial agent, has a relative humidity of less than 70 percent, has good ventilation, and has a base surface and environment temperature of not lower than +5 ℃.
Example 8
As a preferred embodiment of the present invention: the shrink film in the coating package is a film which tightly packages the object by utilizing the pre-stretching film through heating shrinkage, and has higher puncture resistance, good shrinkage and certain shrinkage stress.
The contractible film is characterized in that the energy of the film stretching longitudinally or transversely in a high-elastic state is stored in the film, the memory effect of thermoplastic plastics on the shape before bidirectional or unidirectional stretching is utilized, the function of recovering the shape before stretching when heat is met is utilized to achieve the packaging purpose, the heat-shrinkable film is a specific application example of the memory effect of the polymer, the contractibility of the film is determined by the stretching degree of the film in the orientation process, the heat shrinkage reflects the heat shrinkage performance, the heating temperature and the heating time are important factors influencing the heat shrinkage, the research on the heat shrinkage performance of the heat-shrinkable material is not much, and parameters are provided for products with different packaging designs, production and processing technology requirements by examining the influence of the temperature and the heating time on the contraction performance of a plurality of heat-shrinkable films commonly used in production.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (9)
1. A zinc steel railing production process is characterized in that: comprises the following steps of;
and (3) pattern design: according to the use and installation requirements of the railing, determining the style and the size of the railing;
and (3) raw material production: selecting proper steel, smelting at high temperature, preparing the smelted high-temperature molten steel into a steel pipe blank through a continuous casting or rolling process, and extruding the steel pipe blank into a required steel pipe shape through a forming machine;
and (3) processing a base material: cleaning the surface of a steel pipe, removing grease and rust, soaking the steel pipe in acidic liquid, removing oxide layers and corrosives on the surface, and finally soaking the pickled steel pipe in a hot dip galvanizing tank for galvanizing;
railing polishing: firstly cutting the steel pipe into a required size according to a drawing, then using a machine tool to perform operations such as punching, chamfering and the like, and polishing at the same time;
and (3) paint spraying treatment: firstly, electrostatically spraying a high-zinc phosphating layer on the surface of a zinc steel pipe, and then rolling-coating high-temperature-resistant anti-corrosion primer again;
and (5) paint reinforcement: spraying an interface agent on the high-temperature-resistant anti-corrosion primer, carrying out electrostatic spraying on the colored paint after drying and fixing, and then placing the zinc steel pipe into a drying device for drying treatment;
assembling a railing: the zinc steel pipes with different sizes after paint spraying are assembled through installation parts such as bolts and the like to manufacture zinc steel rails;
coating and wrapping: and wrapping the assembled zinc steel railing surface with a layer of shrink film, and heating and shrinking the shrink film on the railing surface by using a hot air blower to form the protective film.
2. A zinc steel balustrade production process according to claim 1, characterized in that: the raw materials of the steel pipe in the raw material production are mainly billets, generally hot rolled coils, cold rolled coils or steel pipe billets, and when the raw materials are selected, the application and performance requirements of the steel pipe need to be considered, and proper steel materials need to be selected.
3. A zinc steel balustrade production process according to claim 1, characterized in that: the steel pipe blank is formed in various modes, such as hot rolling, cold drawing, cold bending and the like, and the precision and the surface quality of the steel pipe can be affected by different forming modes.
4. A zinc steel balustrade production process according to claim 1, characterized in that: the galvanized steel pipe is required to be subjected to quality inspection in the process of processing the base material, the thickness, the adhesive force and the appearance quality of a zinc layer on the surface of the steel pipe are checked, iron scales (FeO, fe3O4 and Fe2O 3) on the surface of the steel pipe are all oxides which are insoluble in water, and during pickling, the oxides respectively react with acid in a series of chemical reactions, so that ferric salt which is soluble in water is generated and is dissolved in pickling solution, and the low-cyanide, micro-cyanide and cyanide-free galvanization solution used in the galvanization is obtained.
5. A zinc steel balustrade production process according to claim 1, characterized in that: the zinc steel pipe is perforated by using a drilling machine tool, so that a chamfering machine is used for chamfering, and a cutting machine is used for size cutting.
6. A zinc steel balustrade production process according to claim 1, characterized in that: and preparing phosphating solution in the paint spraying treatment, spraying the phosphating solution on the surface of the zinc steel pipe to form a fine phosphating film, and drying the zinc steel pipe after phosphating.
7. A zinc steel balustrade production process according to claim 1, characterized in that: the high-temperature-resistant anti-corrosion primer in the paint spraying treatment consists of special organic silicon heat-resistant resin, heat-resistant pigment, filler, auxiliary agent and solvent, and has excellent heat resistance; the adhesive force is strong, and the mechanical property is good.
8. A zinc steel balustrade production process according to claim 1, characterized in that: the interfacial agent in the reinforcement of the paint is used for treating the surface of an object, wherein the treatment can be adsorption or cladding of physical action and also often physical and chemical action, so as to improve or completely change the physical technical performance and surface chemical characteristics of the surface of the material, and the interfacial agent is used for bi-directionally penetrating and bonding, so that a radioactive chain type anchoring effect is generated to permanently and firmly bond the bi-directional paint together.
9. A zinc steel balustrade production process according to claim 1, characterized in that: the shrink film in the coating package is a film which tightly packages the object by utilizing a pre-stretching film through heating shrinkage, and has higher puncture resistance, good shrinkage and certain shrinkage stress.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311099099.0A CN117163407A (en) | 2023-08-29 | 2023-08-29 | Zinc steel railing production process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311099099.0A CN117163407A (en) | 2023-08-29 | 2023-08-29 | Zinc steel railing production process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117163407A true CN117163407A (en) | 2023-12-05 |
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| CN202311099099.0A Pending CN117163407A (en) | 2023-08-29 | 2023-08-29 | Zinc steel railing production process |
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