CN105797920A - Sectional material UV (Ultraviolet) paint immersion-type coating UVLED (Ultraviolet Light-Emitting Diode) curing device and working method - Google Patents

Abstract

The invention relates to a profile UV paint infiltration coating UVLED curing device and working method, which is characterized in that: it includes a paint container for containing the paint, and the side wall of the paint container is provided with strips for the profile to pass through. Outlet, the upper and lower parts of the paint container are respectively provided with a paint inlet and outlet, and a blower mechanism is provided at the strip outlet of the paint container, and a UVLED lamp is arranged on the side of the blower mechanism. The invention adopts UVLED curing without generating heat, can significantly reduce the heat generated in the curing process, save energy and reduce consumption, and because the ultraviolet rays emitted by the UVLED can immediately cure the UV paint, omitting the required drying time, greatly improving production efficiency and reducing waste. occupancy of the site.

Description

Profile UV paint infiltration coating UVLED curing device and working method

Technical field:

The invention relates to a profile UV paint infiltration coating UVLED curing device and working method, which are applied to profile coating operations.

Background technique:

For the beauty and diversity of profile shapes, it is generally used to paint profiles, but the current equipment structure used in profile coating is relatively complex and inefficient, and the drying line after coating is also long, occupying a large space .

Invention content:

The purpose of the present invention is to provide a profile UV paint infiltration coating UVLED curing device and working method. The profile UV paint infiltration coating UVLED curing device has a simple structure and a reasonable design, which is conducive to improving coating efficiency and reducing floor space .

The profile UV paint infiltration type coating UVLED curing device of the present invention is characterized in that: it includes a paint container for containing the paint, the side wall of the paint container is provided with a bar-shaped material inlet and outlet for the profile to pass through, and the paint container The upper and lower parts are respectively equipped with paint inlet and outlet, and the strip outlet position of the paint container is equipped with UVLED lamps.

Further, the above-mentioned UVLED lamp is arranged in a transparent annular quartz tube, and the strip passes through the inner hole of the annular quartz tube.

Further, the above-mentioned transparent annular quartz tube is a plane or an elliptical ring.

Further, there is a transparent ring-shaped quartz tube outside the above-mentioned spraying chamber, and cooling fins are provided on the side of the transparent ring-shaped quartz tube, and the three transparent ring-shaped quartz tubes and the cooling fins are sleeved in a positioning tube.

Further, a strip conveying device is provided on the inlet side of the strip, and the strip conveying device includes an upper conveying wheel and a lower conveying wheel arranged on the upper and lower surfaces of the strip.

Further, the inlet and outlet of the strip on the paint container are provided with a strip guide, and the strip guide includes a port slightly larger than the cross section of the strip, and a rubber seal on the port. lock up.

Further, the lower part of the above-mentioned paint container is in the shape of a cone, the paint outlet is arranged at the lower end of the cone-shaped body, and an on-off control valve is also provided on the paint outlet; a paint recovery box is arranged below the paint container, and the paint recovery The lower part of the tank is in the shape of a cone, and the lower part of the paint recovery tank is connected with a paint recovery pipe leading to the upper part of the paint container, and the recovery pipe is connected with a conveying pump.

Further, the bottom of the above-mentioned paint recovery box is provided with a paint discharge port, the paint discharge port is provided with a switch valve, and a paint storage box is provided below the paint discharge port. A water tank, a water heater and a water temperature controller are arranged in the hot water tank; a water outlet is arranged at the lower part of the hot water tank.

The working method of the profile UV paint infiltration coating UVLED curing device of the present invention is characterized in that: the profile UV paint infiltration coating UVLED curing device includes a paint container for containing the paint, and the side wall of the paint container is provided with a The inlet and outlet of the strip through which the profile passes, the upper and lower parts of the paint container are respectively provided with a paint inlet and outlet, and a UVLED ultraviolet curing lamp is provided on the outlet side; when using, add paint to the paint container, and a The strip runs through the paint container to prevent the paint from flowing out from the inlet and outlet of the strip; the processed strip is manually transported to the paint container to achieve the coating effect, and then the strip is continuously conveyed, The previous strip is ejected from the outlet of the strip of paint container, and the UV paint is cured by ultraviolet light irradiation of UVLED lamp.

The present invention has the following beneficial effects:

1. Use UV paint to coat the surface of the profile. The UV paint does not contain heavy metal components such as benzene or mercury, and is an environmentally friendly product;

2. The use of UVLED ultraviolet light curing does not generate heat, which can significantly reduce the heat generated during the curing process, saving energy and reducing consumption;

3. Since the ultraviolet rays emitted by the UVLED can instantly cure the UV paint, the required drying time is omitted, which greatly improves the production efficiency and reduces the occupation of the site;

4. UVLED light source also has a variety of advanced functions and is environmentally friendly. Compared with traditional metal halide lamps, UVLED ultraviolet single-wavelength light can save 2/3 of energy, and the service life of UVLED chips is 20 times that of traditional UV lamps; In addition, the UVLED lamp does not require warm-up time, and can be turned on or off at any time as needed.

Description of drawings:

Fig. 1 is the cross-sectional structure schematic diagram of the present invention;

Fig. 2 is a top view structure schematic diagram of the bar and the conveying roller in Fig. 1;

Fig. 3 is the right side view of strip bar and conveying roller among Fig. 1;

Figure 4 is an enlarged sectional view of the positioning tube in Figure 1;

FIG. 5 is a sectional view of FIG. 4 .

detailed description:

The profile UV paint infiltration coating UVLED curing device of the present invention includes a paint container 1 for containing the paint, and the side wall of the paint container 1 is provided with strip inlets and outlets 2, 3 for the profile to pass through. The paint container The upper and lower parts are respectively provided with paint inlet and outlet 4, 5, and the strip bar outlet position of the paint container is provided with a blower mechanism 6 (the blower mechanism 6 is optional), and the side of the blower mechanism 6 is provided with a UVLED lamp 7 .

Further, for rational design, the above-mentioned UVLED lamp 7 is arranged in the transparent annular quartz tube 9 , and the strip 10 passes through the inner hole 11 of the annular quartz tube. The transparent annular quartz tube 9 is composed of a quartz plane or an elliptical inner ring 901 and a quartz plane or an elliptical outer ring 902, and a UVLED lamp 7 is arranged between the quartz plane or an elliptical inner ring 901 and a quartz plane or an elliptical outer ring 902 and is used to fix the UVLED lamp 7 The base plate 701, the bottom surface of the base plate 701 is attached to the cooling fins.

Further, the above-mentioned transparent annular quartz tube is a plane or an elliptical ring.

Further, further, in order to design reasonably, there are three transparent ring-shaped quartz tubes outside the above-mentioned spraying chamber, and the side of the transparent ring-shaped quartz tubes is provided with cooling fins 12, and the three transparent ring-shaped quartz tubes 9 and the cooling fins 12 are set in the In a positioning tube 13, several air inlets 14 are provided on the positioning tube 13 above the cooling fins, and several air outlets 15 are provided on the positioning tube below the cooling fins, and the air outlets 15 are blown Institution 6. The blowing mechanism 6 is a pipe body with a plurality of thin air outlets, and two adjacent thin air outlets are misaligned with each other. By blowing the wind with a certain amount of heat on the cooling fins to the blowing mechanism 6, the hot air can be utilized to solidify the coating of the strip. The heat dissipation fins are formed by stacking a plurality of elliptical ring-shaped metal sheets at intervals, and the mutual gap is 0.3 cm, which is conducive to cooling by wind.

Further, the above-mentioned strip material inlet side is provided with a strip material conveying device 16, and the described strip material conveying device 16 includes an upper conveying wheel 1601 and a lower conveying wheel 1602 arranged on the upper and lower surfaces of the strip, and the The lower delivery wheel 1602 has a plurality of stainless steel tubes parallel to each other, the upper delivery wheel is a single stainless steel tube, and forms an intersection with the stainless steel tube of the lower delivery wheel, and its included angle is 10 degrees. The upper delivery wheel 1601 and the lower delivery wheel The stainless steel tubes on the 1602 all turn. Through the rotation of the stainless steel tube on the upper conveying wheel 1601 and the lower conveying wheel 1602, it can not only transport the bar, but also drive the self-rotation of the bar to obtain a comprehensive and uniform coating on the surface of the bar. cover.

Further, the inlet and outlet of the strip on the paint container are provided with a strip guide, and the strip guide includes a port slightly larger than the cross section of the strip, and a rubber seal on the port. lock up.

Further, the lower part of the above-mentioned paint container is in the shape of a cone, the paint outlet is arranged at the lower end of the cone-shaped body, and an on-off control valve 18 is also provided on the paint outlet; a paint recovery box 19 is arranged below the paint container. Paint recovery box 19 bottoms are cone-shaped, and a paint recovery pipe 20 leading to the top of the paint container is connected at the bottom of the paint recovery box 19, and the delivery pump 21 is connected on the recovery pipe.

Further, the bottom of the above-mentioned paint recovery box is provided with a paint discharge port 22, the paint discharge port 22 is provided with an on-off valve 23, and a paint storage box 24 is arranged below the paint discharge port. , the hot water tank 25 of the water outlet, the water heater and the water temperature controller are arranged in the described hot water tank; the water outlet is provided at the bottom of the described hot water tank.

The working method of the profile UV paint infiltration coating UVLED curing device of the present invention, the profile UV paint infiltration coating UVLED curing device includes a paint container for containing the paint, and the side wall of the paint container is provided with a section for the profile to pass through. Strip inlet and outlet, the upper and lower parts of the paint container are respectively provided with paint inlet and outlet, and the side of the strip outlet position of the paint container is provided with a UVLED ultraviolet curing device; when in use, add paint in the paint container, It is necessary to run a strip through the paint container in advance to prevent the paint from flowing out from the inlet and outlet of the strip; the processed strip is manually transported into the paint container to achieve the coating effect, and then after continuous Convey the strip so that the previous strip is ejected from the strip outlet of the paint container, and the UV paint is cured by UV LED ultraviolet light irradiation.

UV paint of the present invention is made of the raw material of following parts by weight:

The UV coating that the present invention adopts is made of the raw material of following parts by weight:

Polyester acrylate 79.2%

HDDA5.9%

TMPTA2.9%

Titanium dioxide 10%

TPO1%

ITX1%

The above formula features:

Coating cures fast

Good wear resistance and adhesion

Hardness up to 3H,

The formulation uses IPO and ITX as composite initiators of the coating, so a longer wavelength 395nm UVLED can be used as the curing light source. Due to the long wavelength ultraviolet light has strong penetrating ability and high power per unit area, the equipment cost is relatively low.

Wherein HDDA is hexanediol diacrylate; TMPTA: trimethylpropane triacrylate; TPO: 2,4,6-trimethylbenzoylphenylphosphonic acid ethyl ester photoinitiator-TPO-L; ITX: 2 Isopropylthioxanthone.

The UV coating produced by the above formula is suitable for UV curing with a wavelength of 395nm UVLED (or 365~405nm wavelength UVLED composite). The coating formula needs to absorb ultraviolet light energy of multiple wavelengths at the same time. It is suitable for mercury lamp or metal halide lamp to cure the coating, which consumes a lot of energy. The UV coating produced by the formula of this patent application uses an initiator suitable for 395nm wavelength. The wavelength of UVLED curing UV coating, its energy consumption is about 10~20% of the existing formula, at the same time, the life of mercury lamp or metal halide lamp is about 1000 hours, while the life of UVLED can reach more than 20000 hours, UVLED The cost of consumables for curing equipment is significantly reduced.

Example 1: 5 parts of catalyst, 3.5 parts of ester glue varnish, 3 parts of Zhongluohuang, 2.5 parts of china clay, 6 parts of silicon micropowder, 3 parts of polydimethylsiloxane, 4 parts of talcum powder, polyurethane associative thickening 9 parts of anti-settling agent, 2 parts of isopropanol, 4 parts of water-based PU, 4 parts of water-based EB, 2.5 parts of polymerization inhibitor, 1 part of anti-sedimentation agent, 6 parts of hydroxyethyl cellulose, 3 parts of Rhodia freeze-thaw stabilizer, nano silver 1.5 parts of powder.

Example 2: 8 parts of catalyst, 7 parts of ester glue varnish, 6 parts of Zhongluohuang, 6 parts of china clay, 5 parts of silicon micropowder, 7 parts of polydimethylsiloxane, 7 parts of talcum powder, polyurethane associative thickening 12 parts of anti-settling agent, 6 parts of isopropanol, 9 parts of water-based PU, 5 parts of water-based EB, 6 parts of polymerization inhibitor, 1 part of anti-sedimentation agent, 10 parts of hydroxyethyl cellulose, 5 parts of Rhodia freeze-thaw stabilizer, nano silver 2 parts of powder. The present invention has the following beneficial effects:

1. Use UV coating to spray the surface through UVLED ultraviolet light curing profile. Since UV coating and curing device do not contain heavy metal components such as benzene and mercury, it is an environmentally friendly product;

2. The use of UVLED curing does not generate heat, which can significantly reduce the heat generated during the curing process, saving energy and reducing consumption;

3. Since the ultraviolet light emitted by the UVLED can immediately cure the UV paint, the required drying time is omitted, which greatly improves the production efficiency and reduces the occupation of the site;

4. The LED light source also has a variety of advanced functions and is environmentally friendly. Compared with the traditional metal halide lamp, the UVLED light source can save 2/3 of the energy, and the service life of the UVLED chip is more than 20 times that of the traditional UV lamp; in addition, UVLED The lamp does not require a warm-up time and can be turned on or off at any time as needed.

The above descriptions are only preferred embodiments of the present invention, and all equivalent changes and modifications made according to the scope of the patent application of the present invention shall fall within the scope of the present invention.

Claims (9)

1. a section bar UV paints infiltration type application UVLED solidification equipment, it is characterized in that: include the container for paint for containing coating, described container for paint sidewall is provided with the bar shaped material import and export for section bar traverse, described container for paint upper and lower part is provided with coating import and export respectively, and the bar shaped material exit position of container for paint is provided with UVLED lamp.

2. section bar UV according to claim 1 paints infiltration type application UVLED solidification equipment, it is characterised in that: described UVLED lamp is arranged in transparent annular quartz ampoule, and bar shaped material passes from annular quartz ampoule endoporus.

3. section bar UV according to claim 2 paint spraying UVLED solidification equipment, it is characterised in that: described transparent annular quartz ampoule is plane or oval ring.

4. section bar UV according to claim 1 paints infiltration type application UVLED solidification equipment, it is characterized in that: there are outside described spray booth three transparent annular quartz ampoules, transparent annular quartz ampoule side is provided with radiating fin, and described three transparent annular quartz ampoules and radiating fin are nested with in a positioning pipe.

5. section bar UV according to claim 1 paints infiltration type application UVLED solidification equipment, it is characterized in that: described bar shaped material inlet side is provided with bar shaped material transporter, upper delivery wheel that described bar shaped material transporter includes being located on the upper and lower surface of bar shaped material and lower delivery wheel.

6. section bar UV according to claim 1 paints infiltration type application UVLED solidification equipment, it is characterized in that: the bar shaped material import and export place on described container for paint is provided with bar shaped material guider, this bar shaped material guider includes the port less times greater than bar shaped material cross section and the rubber ring that closure is on this port.

7. section bar UV according to claim 1 paints infiltration type application UVLED solidification equipment, it is characterised in that: described container for paint bottom is bucket-shaped in cone, and described coating material outlet is located at the lower end of cone funnel, and coating material outlet is additionally provided with switching control pilot；Described container for paint is connected with coating collection box, and described coating collection box bottom is bucket-shaped in cone, is connected to a coating recovery tube leading to container for paint top in coating collection box bottom, connects delivery pump on recovery tube.

8. section bar UV according to claim 7 paints infiltration type application UVLED solidification equipment, it is characterized in that: described coating collection box bottom is provided with coating material discharging port, this coating material discharging port is provided with switch valve, it is connected with coating storage box at coating material discharging port, described coating collection box periphery is provided with a boiler with entery and delivery port, is provided with water heater and water temperature regulater in described boiler；Described boiler bottom is provided with outlet.

9. the method for work of a section bar UV paint infiltration type application UVLED solidification equipment, it is characterized in that: described section bar UV paints infiltration type application UVLED solidification equipment and includes the container for paint for containing coating, described container for paint sidewall is provided with the bar shaped material import and export for section bar traverse, described container for paint upper and lower part is provided with coating import and export respectively, the bar shaped material exit position of container for paint is provided with blower mechanism, and the side of described blower mechanism is provided with UVLED lamp；During use, container for paint adds coating, needs a bar shaped material through container for paint in advance, it is to avoid coating flows out from bar shaped material import and export；By being manually delivered in container for paint by the bar shaped material of processing so that it is reach painting effect, then through constantly conveying bar shaped material, make previous bar shaped material eject from the outlet of container for paint bar shaped material, make UV paint solidify by the irradiation under ultraviolet ray of UVLED lamp.