CN210700698U - Rapid curing device after electrostatic coating of powder on surface of strip steel - Google Patents
Rapid curing device after electrostatic coating of powder on surface of strip steel Download PDFInfo
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- CN210700698U CN210700698U CN201920896783.4U CN201920896783U CN210700698U CN 210700698 U CN210700698 U CN 210700698U CN 201920896783 U CN201920896783 U CN 201920896783U CN 210700698 U CN210700698 U CN 210700698U
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Abstract
The utility model relates to a steel band application device especially relates to a fast curing device behind band steel surface electrostatic coating powder, and it belongs to steel band application technical field. The utility model provides a quick solidification equipment after belted steel surface electrostatic coating powder, include unwinding unit in proper order, belt cleaning device, change and scribble the device, curing oven and coiling mechanism, unwinding unit includes the decoiler, 1# decoiler send pinch machine, whole line bracket and 2# decoiler send pinch machine, belt cleaning device includes roller brush machine I and roller brush machine II, change and scribble the device including changing machine and steam drying oven, curing oven includes the melting device, the levelling device, curing device and cooling device, coiling mechanism includes coiling send pinch machine and rolling machine, the melting device is including the radiation plate that sets gradually, hot-blast furnace and labyrinth picture peg lock joint sealing structure body, radiation plate and hot-blast furnace are installed on curing oven in proper order, labyrinth picture peg lock joint sealing structure body establishes the top at curing oven.
Description
Technical Field
The utility model relates to a steel band application device especially relates to a fast curing device behind band steel surface electrostatic coating powder, and it belongs to steel band application technical field.
Background
Before the continuous coiled steel strip is cut, formed and made into finished products, the metal coiled material is painted to prepare a precoated steel plate, namely a color coated plate. The color coated plate technology has become the main industrial coating technology. The flow production line of the strip steel coating comprises the following steps: the device comprises an auxiliary uncoiling support, an uncoiling machine, an uncoiling trolley, a saddle, a No. 1 uncoiling clamping conveyor, a whole line bracket, a No. 2 uncoiling clamping conveyor, a converging clamping conveyor, a flattening machine, a No. 1 tensioning machine, an independent steering roller, a front loop, a No. 1 small carrier roller, a No. 1 centering machine, a detection device bracket, a No. 2 tensioning machine, a No. 1 carrier roller, a pretreatment unit, a power squeezing machine, a roller brushing machine, an exhaust system, a No. 1 hot air blowing machine, a No. 2 centering machine, a coating system, a No. 2 cold air blowing machine, a curing furnace, a suspension detection bracket, a No. 2 strong cold support roller, a strong cold device, a No. 1 clamping type centering machine, a strong cold squeezing machine, a strong cold steering roller, a No. 2 hot air blowing machine, a No. 4 tensioning machine, a rear loop, a cold laminating machine unit, an inspection platform, a No. 5 tensioning machine, a coiling machine, an auxiliary coiling support, The device comprises a hydraulic system, a pneumatic system, an electric control system, a chemical coating machine liquid supply system, a 1# shearing machine, a riveting machine die, a CPC centering device, a welding line detection device, an overhang detection device, an infrared thermometer, a 2# shearing machine and an EPC centering device.
The metal is fed to an uncoiler in a coiled material form, the first step in a production line is pre-cleaning, degreasing agents are used for removing grease on the surface of the strip steel, and a roller brush is used for polishing and removing physical pollutants on the surface of the strip steel. The strip is then fed into an inlet storage loop (accumulator) where the loop rolls are moved to accumulate a greater length of strip. When a coil of strip is finished, the loop starts to release the strip and at the same time stitches the next coil of strip with the previous coil of strip, continuously supplying the strip to the production line without interrupting the process. Next, the strip steel is sent to a chemical treatment area, cleaned by a degreasing agent and brushed by a brush roller. Then adopting phosphate, chromate and composite oxide to passivate and seal, forming a chemical conversion coating on the surface of the steel plate, and also adopting a chromate coating mode to form a chemical coating containing heavy chromium ions on the surface of the steel plate. Some production lines use a chromium coating process that adds a surface conditioning process prior to chromium coating, using agents that may be weak or weak in acid. The strip is then dried and finally sent to a roll coater and a bake oven. A more common process has two coating sections, each roll coater followed by a baking oven. Often, the primer is applied and then dried, followed by another topcoat and topcoat. Some production lines have a laminating laminator or embossing machine in-line with the coating unit, but this is not popular because the production speed of these two products is slow, which seriously affects the efficiency of the production line.
Patent CN101249605B discloses a metal coil color coating production method and a production device, which uncoil through strip: gradually unfolding a No. 1 steel strip material coil by using an uncoiler to obtain a No. 1 strip material; no. 1 strip material clamping and conveying: conveying the No. 1 steel strip to the downstream by using a clamping and conveying device; shearing a No. 1 belt material inlet; converging and clamping; riveting; flattening; an inlet loop; degreasing; washing with water; chemical coating; chemical coating and drying; powder spraying: spraying a powder coating on the surface of the steel strip; spraying and curing: carrying out powder coating curing treatment in a curing furnace; after curing, strong cooling is carried out; an outlet loop; cold laminating; clamping and conveying before shearing; discharging and shearing; the material receiving clamp is used for clamping and conveying; and (6) rolling. The curing furnace is internally provided with 260 ℃ circulating hot air, and an infrared (NIR) irradiation heating device is arranged at the inlet of the curing furnace. By using the method and the device, the coating technology of replacing paint with powder can be realized, the environment is improved, the production efficiency of the color steel is improved, the method and the device can be widely applied to color coating of the steel plate, and have good industrial production prospect and application potential.
Patent CN205904083U discloses ultraviolet and infrared radiation heating equipment for curing powder on the surface of a plate, which consists of an infrared drying tunnel, an ultraviolet curing furnace and a plate hanging assembly line; when the equipment carries out infrared powder spraying, a melting section, a curing section and a curing section in the infrared drying tunnel are all started, and the ultraviolet curing oven is closed; when the equipment is used for spraying ultraviolet powder, the melting section and the ultraviolet curing furnace in the infrared drying tunnel are started, and the first curing section and the second curing section are closed, so that the curing of the ultraviolet powder cannot be influenced even if the first curing section and the second curing section are in a non-high temperature state. The equipment can be used for spraying and curing infrared property powder and ultraviolet property powder, the surface of the MDF plate produced by the equipment is uniformly sprayed, the glaze sealing layer is completely sealed and has no air holes, and more importantly, the equipment can be suitable for spraying operation of large-size MDF plates.
Although the above patent solves the problems of large-size plate spraying and painting technology of replacing paint with powder, and improves the production efficiency of color steel, the phenomena that the coating cannot be uniformly coated after the strip steel coating is cured and the coating is easy to appear as Ju Pi after the coating is cured still exist.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to the not enough of existence among the above-mentioned prior art, provide a fast curing device after taking steel surface electrostatic coating powder.
The utility model provides an above-mentioned technical problem's technical scheme as follows:
a rapid solidification device after electrostatic coating of powder on the surface of strip steel sequentially comprises an uncoiling device, a cleaning device, a chemical coating device, a solidification furnace and a coiling device, wherein the uncoiling device comprises an uncoiling machine, a No. 1 uncoiling pinch machine, a line finishing bracket and a No. 2 uncoiling pinch machine, the cleaning device comprises a roller brushing machine I and a roller brushing machine II, the chemical coating device comprises a chemical coating machine and a water vapor drying furnace, the solidification furnace comprises a melting device, a leveling device, a solidification device and a cooling device, the coiling device comprises a coiling pinch machine and a coiling machine, the melting device comprises a radiation plate, a hot blast furnace and a labyrinth plugboard buckling and sealing structure body which are sequentially arranged, the radiation plate and the hot blast furnace are sequentially arranged on the solidification furnace, the labyrinth plugboard buckling and sealing and leveling structure body is arranged at the top of the solidification furnace, the sealing and leveling device comprises a sealing support body connected with the solidification furnace, and an ultrasonic generator, the curing device comprises a temperature control system arranged on the curing oven, the temperature control system comprises an explosion-proof high-temperature-resistant fan I, an explosion-proof high-temperature-resistant fan II and an explosion-proof high-temperature-resistant fan III, and the cooling device comprises an air cooler arranged on the oven body.
Preferably, the outer layer of the furnace body is sequentially provided with an outer plate and a heat preservation layer, the outer plate is a rock wool heat insulation sandwich plate, and the heat preservation layer is high-temperature resistant rock wool and aluminum silicate felt.
Preferably, the hot blast stove is connected with the blast pipe I, and the blast pipe I is installed along the length direction of the stove body.
Preferably, the blast pipe I is a stainless steel blast pipe, and direction-adjustable air supply openings are uniformly distributed in the blast pipe I.
Preferably, the explosion-proof high-temperature-resistant fan I, the explosion-proof high-temperature-resistant fan II and the explosion-proof high-temperature-resistant fan III are respectively connected with the air supply pipe II, the air supply pipe III and the air supply pipe IV.
Preferably, the curing oven also comprises a conveying device, and the conveying device is a pair of conveying rollers which are respectively arranged at the left side and the right side of the curing oven.
Compared with the prior art, the beneficial effects of the utility model are that: when the powder of the strip steel coating reaches a molten state, the powder of the strip steel is ensured not to be blown off when the strip steel enters the curing furnace, the infrared technology is utilized, the steel plate is directly heated through the coating, the temperature of the steel plate is rapidly increased to 180-220 ℃, the powder crosslinking reaction process in the curing furnace is improved, and high speed limit and high yield production are achieved. The high-temperature resistant explosion-proof fan is adopted, and the temperature range is adjusted at any time for energy-saving variable-frequency speed regulation control. The sealed supporting body is internally provided with the ultrasonic generator, so that the band steel coating is more uniformly distributed and combined more tightly in a molten state, and the orange peel phenomenon is not easy to generate after solidification. The furnace body adopts a labyrinth type inserting plate buckling and sealing structure, heat loss of heat and a system can be effectively prevented, and the inner plate is made of a stainless steel plate. The direction-adjustable air supply opening enables hot air to be uniformly supplied to the surface of the steel plate which is rolled by the roller, so that the steel plate is uniformly heated, and the size of the air supply opening can be conveniently adjusted so as to adjust the temperature requirement in the furnace along the length direction.
Drawings
FIG. 1 is a schematic flow chart of the present invention,
figure 2 is an enlarged view of the unwinding device of figure 1,
figure 3 is an enlarged view of the cleaning device of figure 1,
figure 4 is an enlarged view of the chemical coating apparatus of figure 1,
FIG. 5 is an enlarged view of the curing oven of FIG. 1,
figure 6 is an enlarged view of the winding device of figure 1,
FIG. 7 is an overall view of a curing oven of the present invention,
FIG. 8 is a perspective view of the inside of a curing oven of the present invention,
figure 9 is an enlarged view of the melting device of figure 7,
FIG. 10 is an enlarged view of the leveling device, curing device and cooling device of FIG. 7.
In the figure, 1, unwinding device; 2. a cleaning device; 3. a chemical coating device; 4. a curing oven; 5. a winding device; 6. an uncoiler; 7. 1# uncoiling clamping conveyor; 8. a wire arranging bracket; 9. 2# uncoiling clamping conveyor; 10. a roller brushing machine I; 11. a roller brushing machine II; 12. a chemical coating machine; 13. a water vapor drying furnace; 14. a melting device; 15. a leveling device; 16. a curing device; 17. a cooling device; 18. a winding and clamping conveyor; 19. a winding machine; 20. a radiation plate; 21. a hot blast stove; 22. the labyrinth type inserting plate is buckled with the sealing structure body; 23. a furnace body; 24. a sealing support body; 25. an ultrasonic generator; 26. an explosion-proof high-temperature-resistant fan I; 27. an explosion-proof high-temperature resistant fan II; 28. an explosion-proof high-temperature resistant fan III; 29. an air cooler; 30. an outer plate; 31. a heat-insulating layer; 32. an air supply pipe I; 33. an air supply pipe II; 34. a blast pipe III; 35. an air supply pipe IV; 36. and (4) a conveying roller.
Detailed Description
The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.
A rapid solidification device after electrostatic coating of powder on the surface of strip steel sequentially comprises an uncoiling device 1, a cleaning device 2, a chemical coating device 3, a curing furnace 4 and a coiling device 5, wherein the uncoiling device 1 comprises an uncoiling machine 6, a No. 1 uncoiling pinch conveyor 7, a finishing wire bracket 8 and a No. 2 uncoiling pinch conveyor 9, the cleaning device 2 comprises a roller brushing machine I10 and a roller brushing machine II 11, the chemical coating device 3 comprises a chemical coating machine 12 and a steam drying furnace 13, the curing furnace 4 comprises a melting device 14, a leveling device 15, a solidifying device 16 and a cooling device 17, the coiling device 5 comprises a coiling pinch conveyor 18 and a coiling machine 19, the melting device 14 comprises a radiation plate 20, a hot blast furnace 21 and a labyrinth type plugboard buckling sealing structure 22 which are sequentially arranged, the radiation plate 20 and the hot blast furnace 21 are sequentially arranged on the curing furnace 4, the curing furnace 4 comprises a 23, the labyrinth type plugboard sealing structure 22 is arranged at the top of a furnace body 23, the leveling device 15 comprises a sealing support body 24 connected with the curing oven 4, an ultrasonic generator 25 is arranged in the sealing support body 24, the curing device 16 comprises a temperature control system arranged on the curing oven 4, the temperature control system comprises an explosion-proof high-temperature-resistant fan I26, an explosion-proof high-temperature-resistant fan II 27 and an explosion-proof high-temperature-resistant fan III 28, and the cooling device 17 comprises an air cooler 29 arranged on the oven body 23. An outer plate 30 and a heat preservation layer 31 are sequentially arranged on the top layer of the furnace body 23, the outer plate 30 is a rock wool heat insulation sandwich plate, and the heat preservation layer 31 is high-temperature resistant rock wool or aluminum silicate felt. The hot blast stove 21 is connected with an air supply pipe I32, and the air supply pipe I32 is installed along the length direction of the stove body 23. The blast pipe I32 is a stainless steel blast pipe, and direction-adjustable air supply openings are uniformly distributed on the blast pipe I32. The explosion-proof high-temperature-resistant fan I26, the explosion-proof high-temperature-resistant fan II 27 and the explosion-proof high-temperature-resistant fan III 28 are respectively connected with the air supply pipe II 33, the air supply pipe III 34 and the air supply pipe IV 35. The curing oven 4 further includes a conveying device, which is a pair of conveying rollers 36 respectively disposed on the left and right sides of the curing oven 4.
Principle of operation
The strip steel is uncoiled by an uncoiling device and then is sent to a degreasing device for pre-cleaning, degreasing agents are used for removing grease on the surface of the strip steel, then the strip steel is sent to a cleaning device for cleaning, a roller brush is used for polishing and removing physical pollutants on the surface of the strip steel, the strip steel is firstly cleaned by the degreasing agents, and then the strip steel is brushed by the roller brush. Then adopting phosphate, chromate and composite oxide to passivate and seal, forming a layer of chemical conversion coating on the surface of the steel plate, or adopting a chromate coating mode to form a layer of chemical coating containing heavy chromium ions on the surface of the steel plate, and drying. The method comprises the steps of firstly, feeding the steel strip into a melting device for melting coating, then, feeding the steel strip into a curing furnace for curing, then, winding the steel strip by a winding device, feeding the steel strip into a melting device of the curing furnace after the steel strip is melted to enable powder coatings on the upper surface and the lower surface of the steel strip to be in a melting state, enabling the steel strip coatings to be uniformly cured by a leveling device of the curing furnace, feeding the cured steel strip coatings into a cooling device for cooling, heating and radiating the steel strip by using a radiation plate by the melting device, vibrating the leveling device by using an ultrasonic vibration device to enable the steel strip coatings to be more uniformly dispersed, curing the coatings by the curing device in a step.
The purpose of the gas infrared radiation is to make the powder on the upper and lower surfaces of the strip steel reach a molten state, so as to ensure that the powder cannot be blown off when the strip steel enters the hot blast stove, and secondly, the infrared radiation technology is utilized to directly heat the steel plate through the coating, so that the temperature of the steel plate is rapidly increased to 180 ℃ and 220 ℃, the powder crosslinking reaction process in the curing furnace is improved, and the high-speed-limit and high-energy-production is achieved. The gas-fired infrared furnace consists of four groups of radiant panels, each group containing 25 small units, arranged side by side in 8/9/8. The power of a single set of radiant panels is 8KW, consuming 25 cubes of fuel gas per hour. The four groups of radiation plates are arranged in a mode that two radiation plates are arranged in a crossed mode.
The hot air curing furnace is divided into four sections: a melting section, a leveling section, a solidifying section and a cooling section, wherein each section is 10 meters long. The furnace temperature is set at 260-320 ℃, and a heat source adopts a high-temperature-resistant explosion-proof fan, so that the energy-saving frequency-conversion speed regulation control is realized. The furnace body adopts a labyrinth type flashboard lock joint sealing structure, can effectively prevent heat loss and system heat loss, the inner plate is made of a stainless steel plate, the thickness of the stainless steel plate is 1.0mm, a 50-thick aluminum silicate felt is matched, the outer plate is made of a delta 150 standard rock wool heat insulation sandwich plate, the heat insulation layer is made of high temperature resistant rock wool and an aluminum silicate felt, the aluminum silicate felt is arranged on the inner side of the furnace plate, and the total thickness of the heat insulation layer is 200 mm.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (6)
1. A rapid solidification device after electrostatic coating of powder on the surface of strip steel is characterized by sequentially comprising an uncoiling device (1), a cleaning device (2), a chemical coating device (3), a curing oven (4) and a coiling device (5), wherein the uncoiling device (1) comprises an uncoiling machine (6), a No. 1 uncoiling pinch machine (7), a wire-shaping bracket (8) and a No. 2 uncoiling pinch machine (9), the cleaning device (2) comprises a roller brush machine I (10) and a roller brush machine II (11), the chemical coating device (3) comprises a chemical coating machine (12) and a water vapor drying oven (13), the curing oven (4) comprises a melting device (14), a leveling device (15), a solidification device (16) and a cooling device (17), the coiling device (5) comprises a pinch machine (18) and a coiling machine (19), the melting device (14) comprises a radiation plate (20), a hot blast stove (21) and a labyrinth lock joint sealing plug board (22) which are sequentially arranged, radiation panel (20) and hot-blast furnace (21) are installed in proper order on curing oven (4), curing oven (4) are including furnace body (23), labyrinth picture peg lock joint sealing structure body (22) are established at the top of furnace body (23), levelling device (15) are including sealed supporter (24) of being connected with curing oven (4), be equipped with supersonic generator (25) in sealed supporter (24), curing device (16) are including installing the temperature control system on curing oven (4), temperature control system includes explosion-proof high temperature resistant fan I (26), explosion-proof high temperature resistant fan II (27) and explosion-proof high temperature resistant fan III (28), cooling device (17) are including installing air-cooler (29) on the furnace body.
2. The rapid solidification device after electrostatic coating of powder on the surface of strip steel according to claim 1, wherein an outer plate (30) and an insulating layer (31) are sequentially arranged on the top layer of the furnace body (23), the outer plate (30) is a rock wool heat-insulating sandwich plate, and the insulating layer (31) is high-temperature resistant rock wool or aluminum silicate felt.
3. The rapid solidification apparatus after electrostatic coating of powder on a surface of a strip steel according to claim 1, wherein the hot blast stove (21) is connected to a blast pipe I (32), and the blast pipe I (32) is installed along a length direction of the furnace body (23).
4. The rapid solidification device after electrostatic coating of powder on the surface of strip steel according to claim 1, wherein the air supply pipe I (32) is a stainless steel air supply pipe, and direction-adjustable air supply openings are uniformly distributed on the air supply pipe I (32).
5. The rapid solidification device after the electrostatic coating of the surface of the strip steel according to claim 1, wherein the explosion-proof and high temperature resistant fan I (26), the explosion-proof and high temperature resistant fan II (27) and the explosion-proof and high temperature resistant fan III (28) are respectively connected with the blast pipe II (33), the blast pipe III (34) and the blast pipe IV (35).
6. The rapid solidification device after the electrostatic coating of the surface of the strip steel according to claim 1, wherein the solidification furnace (4) further comprises a conveying device, and the conveying device is a pair of conveying rollers (36) respectively arranged at the left and right sides of the solidification furnace (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920896783.4U CN210700698U (en) | 2019-06-14 | 2019-06-14 | Rapid curing device after electrostatic coating of powder on surface of strip steel |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920896783.4U CN210700698U (en) | 2019-06-14 | 2019-06-14 | Rapid curing device after electrostatic coating of powder on surface of strip steel |
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| CN210700698U true CN210700698U (en) | 2020-06-09 |
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| CN201920896783.4U Active CN210700698U (en) | 2019-06-14 | 2019-06-14 | Rapid curing device after electrostatic coating of powder on surface of strip steel |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112871535A (en) * | 2021-03-03 | 2021-06-01 | 筋斗云(山东)工业设计有限公司 | Steel band rubber coating production line |
| CN115889124A (en) * | 2022-11-24 | 2023-04-04 | 山东新美达科技材料有限公司 | Production process of single-coating color steel belt |
-
2019
- 2019-06-14 CN CN201920896783.4U patent/CN210700698U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112871535A (en) * | 2021-03-03 | 2021-06-01 | 筋斗云(山东)工业设计有限公司 | Steel band rubber coating production line |
| CN115889124A (en) * | 2022-11-24 | 2023-04-04 | 山东新美达科技材料有限公司 | Production process of single-coating color steel belt |
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