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A two-spray-one-solid equipment and process using composite coating anti-corrosion workpiece
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A technology for composite coatings and workpieces, which is applied to coatings, devices for coating liquid on surfaces, and spray booths. Large difference in anti-corrosion ability, less polluting exhaust emissions, and small footprint
Active Publication Date: 2022-07-19
山东海川智能装备科技有限公司
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[0011] Aiming at the deficiencies in the background technology, the present invention provides a two-spray and one-fix equipment and process using a composite coating anti-corrosion workpiece, which can perform righting treatment on the swaying column workpiece during the spraying process to ensure that the spray gun can accurately penetrate into the inner hole of the column workpiece ;The spray gun can be self-locating during the spraying process, so that the spray gun will not be able to safely and accurately extend into the inner hole of the column workpiece for spraying due to the thermal expansion and contraction of the catenary; it has less curing times and a shorter production line , the advantages of small footprint; it has the advantages of high utilization rate of curing heat energy, less gas consumption, and less polluting exhaust emissions
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Embodiment 1
[0042] Embodiment 1 A kind of two-spray-one-solid equipment using composite coating anti-corrosion workpiece
[0043] like Figure 1-Figure 6 As shown in common, the present invention provides a two-spray and one-fix equipment for anti-corrosion workpieces using composite coatings, including a shot blasting and derusting device 1, a primary spraying recovery device 2, a primary spraying system 3, a secondary spraying system 4, and a secondary spraying Recovery device 5 , catenary conveying system 6 , curing furnace device 7 , catenary drive and whole line control system 8 .
[0044]The catenary conveying system 6 includes a catenary 61 , the bottom of which is connected to a catenary trolley 63 through a suspension rod 62 ; The catenary conveying system 6 is used for hanging and conveying the column workpiece 11. During the conveying process, the processes of shot blasting, primary spraying, secondary spraying and curing are completed in sequence.
[0045] The primary sprayi...
Embodiment 2
[0061] Embodiment 2 A kind of two-spray and one-solid process using composite coating anti-corrosion workpiece
[0062] like Figure 1-Figure 6 Commonly shown, the present invention provides a two-spray-one-solid process for a composite coating anti-corrosion workpiece, including the steps of shot blasting and rust removal, primary spraying, secondary spraying and joint curing.
[0063] Among them, shot blasting and derusting treatment is used to degreasing and derusting the surface of the suspended column workpiece, and the quality of the surface anchor pattern is required to reach Sa2.5 level.
[0064] Among them, the primary spraying treatment is used to complete the electrostatic spraying of the epoxyzinc-rich primer, and the secondary spraying treatment is used to complete the electrostatic spraying of the polyester flour.
[0065] In both the primary spraying treatment and the secondary spraying treatment, the column workpiece is righted, so that the swinging column wo...
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Abstract
The invention discloses a two-spraying and one-fixing equipment and a process for adopting composite coating anti-corrosion workpieces, belonging to the technical field of composite coating spraying and curing. Spraying system, secondary spraying recovery device, catenary conveying system, curing furnace device, catenary drive and whole line control system, primary spraying system and secondary spraying system include centering device and self-seeking reciprocating device. In the spraying process, the invention can perform righting treatment on the swaying column workpiece to ensure that the spray gun can accurately extend into the inner hole of the column workpiece; the spray gun can be self-located during the spraying process, so that the spray gun will not expand and cool due to the thermal expansion of the catenary. There is a problem that it cannot be safely and accurately extended into the inner hole of the column workpiece for spraying; it has the advantages of less curing times, short production line and small footprint.
Description
technical field [0001] The invention relates to a two-spraying and one-fixing device and a process for adopting a composite coating anti-corrosion workpiece, belonging to the technical field of composite coating spraying and curing. Background technique [0002] At present, with the continuous deepening of the concept of environmental protection, green and sustainable development, high-speed guardrails and columns are changing from the traditional high-energy-consumption and high-pollution galvanized anti-corrosion method to the green, energy-saving and environmentally friendlypowder spraying method. [0003] The main processes of using epoxyzinc-based polyester composite coating for anti-corrosion metal workpieces are: shot blasting, primary spraying, primary kiln curing, cooling, secondary spraying, secondary kiln curing, and cooling. [0004] The above-mentioned anti-corrosion equipment and process have the following disadvantages: [0005] The number of curing times i...
Claims
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