KR101189476B1 - Preparing method of sandwich panel use for fix type foam system and equipment thereof - Google Patents

Abstract

PURPOSE: A manufacturing method of a sandwich panel using a fixed foaming system and a foaming solution discharge device are provided to remarkably improve production by uniformly jetting a foaming solution to the inside of first and second galvanized steel sheets or color coated steel sheets. CONSTITUTION: A manufacturing method of a sandwich panel using a fixed foaming system is as follows. First and second galvanized steel sheets or color coated steel sheets are installed on an uncoiler and are molded. A foaming solution discharge device is fixed to the center portions of the first and second galvanized steel sheets or color coated steel sheets. The inside the first and second galvanized steel sheets or color coated steel sheets is filled with a foaming solution, and the filled foaming solution is foamed into an insulation material. A sandwich panel is manufactured by pressing, curing, cutting, and wrapping the first and second galvanized steel sheets or color coated steel sheets. [Reference numerals] (AA) Step S1: First and second galvanized steel sheets or color coated steel sheets are installed on an uncoiler and molded; (BB) Step S2: A foaming solution discharge device is fixed to the center portions of the first and second galvanized steel sheets or color coated steel sheets; (CC) Step S3: The inside the first and second galvanized steel sheets or color coated steel sheets is filled with a foaming solution, and the filled foaming solution is foamed into an insulation material; (DD) Step S4: A sandwich panel is manufactured by pressing, curing, cutting, and wrapping the first and second galvanized steel sheets or color coated steel sheets

Description

Sandwich panel manufacturing method using fixed foaming system and foam liquid discharging device {PREPARING METHOD OF SANDWICH PANEL USE FOR FIX TYPE FOAM SYSTEM AND EQUIPMENT THEREOF}

The present invention relates to a method for producing a sandwich panel using a fixed foaming system and an apparatus for discharging foaming liquid, for use as an industrial material or a building material;

More specifically, the foam liquid ejection apparatus of the fixed foaming system configuration is fixed to the center of the first zinc-plated steel sheet or the first collar sheet steel sheet, which is a substrate disposed on the lower portion, and the heat insulating material is injected into the spray nozzle of the foam liquid ejecting apparatus. Method of producing a sandwich panel using a fixed foaming system, the foaming liquid constituting the foaming is refracted, uniformly sprayed into the first and second zinc-plated steel sheet or the first and second color steel sheet steel sheet in the form of a fan. And an invention relating to a foam liquid ejecting apparatus,

The foam liquid ejecting apparatus of the prior art is a problem caused by spraying the foam liquid constituting the heat insulating material while being reciprocated left and right in the galvanized steel sheet or color coated steel sheet disposed in the upper and lower parts, the forward direction of the foam liquid ejecting device The difficulty in increasing the speed at the time of changing direction from the reverse direction to the reverse direction from

In order to improve the productivity, the foaming liquid injection amount is increased on both side portions of the sandwich panel to increase the direction change speed of the foaming liquid ejection device, the foaming liquid injection amount is insufficient in the center portion to solve the problem that the product defect rate is increased;

In particular, the foaming liquid is refracted at 90 to 130 degrees during the spraying of the foaming liquid constituting the heat insulating material, and is uniformly sprayed inside the first and second zinc plated steel sheets or the first and second color steel sheet steel sheets in the form of a fan, thereby significantly improving productivity. At the same time, workability is improved by simplifying the work process;

Occurrence of product defect rate is lowered, resulting in improved product quality;

By reducing the equipment manufacturing cost and equipment operating cost of the foam liquid discharge apparatus, the manufacturing cost is reduced; The present invention relates to a method for producing a sandwich panel using a fixed foaming system and an apparatus for discharging a foaming liquid.

In general, a sandwich panel used as an industrial material or a building material of the prior art, the galvanized steel sheet or color coated steel sheet as a base material is disposed on the upper and lower parts, and filled in the interior of the galvanized steel sheet or color coated steel sheet, It is composed of foamed insulation.

In addition, the heat insulating material is a configuration in which the polyurethane stock solution, which is a liquid foaming liquid mainly composed of a polyurethane resin, is filled and foamed inside a galvanized steel sheet or a color coated steel sheet through a foam liquid discharge device.

The movable foam liquid ejecting apparatus of the movable foam liquid ejecting apparatus is configured to be reciprocated to the left and right by spraying the foaming liquid while being reciprocated to the left and right inside the galvanized steel sheet or the color coated steel sheet disposed at the upper and lower portions. It is difficult to increase the conversion speed from the forward direction to the reverse direction or from the reverse direction to the forward direction, resulting in a problem of significantly lowering the productivity;

In order to increase the productivity of the sandwich panel, when the direction of changing the direction of the foam liquid ejecting device is increased, the amount of foam liquid injection is increased on both side portions of the sandwich panel, and the amount of foam liquid injection is insufficient at the central portion, thereby increasing the product defect rate. Is occurring;

The manufacturing cost and equipment operating cost of the mobile foam liquid discharging device by the left and right movement method increases, and the workability due to the complicated work process is deteriorated.

"In addition, the technology that is the background of the present invention is the Korean Patent Publication No. 10-0922175 (2009.10.09. Registered) registered by the present applicant and the composition of the sandwich panel in the sandwich panel for construction and its manufacturing method , Manufacturing method is disclosed ;
Japanese Patent Application Laid-Open No. 11-114473 (April 27, 1999) discloses a method for discharging a foamed resin mixture in a method for manufacturing a heat insulating panel and a device thereof ;
Republic of Korea Patent Application Publication No. 10-2006-0040294 (2006. 05. 10. publication) 'foaming molding method and apparatus' and Republic of Korea Utility Model Registration No. 20-0314785
(Registration of May 16, 2003) In the 'molding apparatus for foamed molded article', a molding method and a means for injecting a discharge portion are disclosed .

By the " method of producing sandwich panel using fixed foaming system and foam liquid ejecting device " of the present invention configuration;

Solving the problems of the manufacturing method of the sandwich panel of the prior art, and the foam liquid ejecting apparatus;

 In particular, when the foaming liquid constituting the heat insulating material is sprayed 90 to 130 degrees, the foamed liquid is uniformly sprayed inside the first and second zinc plated steel sheets or the first and second color steel sheet steel sheets in the shape of a fan to significantly improve productivity. At the same time, workability is improved by simplifying the work process;

Occurrence of product defect rate is lowered, resulting in improved product quality;

By reducing the equipment manufacturing cost and equipment operating cost of the foam liquid discharge apparatus, the manufacturing cost is reduced; It is an object of the present invention and the problem to be solved to provide a "method of manufacturing a sandwich panel and a foam liquid discharge device using a fixed foaming system".

According to the configuration of the present invention, the above-mentioned problem is solved by the "method of manufacturing a sandwich panel using a fixed foaming system and a foaming liquid ejecting apparatus".

By the " method of producing sandwich panel using fixed foaming system and foam liquid ejecting device " of the present invention configuration;

The problem that the productivity of the foamed liquid discharge device of the prior art is difficult to increase the speed at the time of switching from the forward direction to the reverse direction or from the reverse direction to the forward direction, the productivity is significantly lowered,

In order to improve the productivity, the foaming liquid injection amount is increased on both side portions of the sandwich panel to increase the direction change speed of the foaming liquid ejection device, the foaming liquid injection amount is insufficient in the center portion to solve the problem that the product defect rate is increased;

In particular, when the foaming liquid constituting the heat insulating material is sprayed 90 to 130 degrees, the foamed liquid is uniformly sprayed inside the first and second zinc plated steel sheets or the first and second color steel sheet steel sheets in the shape of a fan to significantly improve productivity. At the same time, the workability is improved by simplifying the work process;

The occurrence of product defect rate is reduced, and the product quality is improved;

It is a very useful invention to bring the effect of reducing the manufacturing cost and equipment operating cost, manufacturing cost is reduced.

1 is an exploded perspective view of a sandwich panel of the present invention,
Figure 2 is an exploded perspective view showing another embodiment of the present invention sandwich panel,
Figure 3 is a FLOW-SHEET schematically showing a method of manufacturing a sandwich panel of the present invention,
4 and 5 is a FLOW-SHEET schematically showing a manufacturing method of another embodiment of the sandwich panel of the present invention,
6 is a reference diagram showing a foaming liquid ejecting device of the present invention sandwich panel,
Figure 7 is a reference diagram showing a foaming liquid discharge device in another embodiment of the sandwich panel of the present invention.

Hereinafter, with reference to the accompanying drawings will be described in detail with respect to the "method of manufacturing a sandwich panel using a fixed foaming system and a foaming liquid discharge device" of the present invention.

1 is an exploded perspective view of a sandwich panel of the present invention,

Figure 2 is an exploded perspective view showing another embodiment of the sandwich panel of the present invention,

Figure 3 is a FLOW-SHEET schematically showing a method of manufacturing a sandwich panel of the present invention,

4 and 5 is a FLOW-SHEET schematically showing a manufacturing method of another embodiment of the sandwich panel of the present invention,

Figure 6 is a reference diagram showing the foaming liquid discharge device of the sandwich panel of the present invention,

Figure 7 is a reference diagram showing a foaming liquid ejecting device in another embodiment of the sandwich panel of the present invention.

The present invention relates to a method for producing a sandwich panel using a fixed foaming system and an apparatus for discharging foaming liquid, which are used as industrial materials or building materials;

As shown in FIG. 1;

Sandwich panel 100 using the fixed foaming system of the present invention,

First and second zinc plated steel sheets coated with zinc or first and second color coated steel sheets 10 and 20 coated with a color layer to improve water resistance and corrosion resistance on the outside of the steel sheet, which are disposed on the upper and lower parts. ;

The first and second zinc-plated steel sheets or the first and second color steel sheets are composed of a heat insulating material (30) filled and foamed in the interior, it is used as an industrial material or a building material.

As shown in FIG. 2, also as needed;

The load supporting layer 40 for the application of the load of the upper part of the heat insulating material 30 and the second zinc plated steel sheet or the second color coated sheet steel sheets 10 and 20 is further disposed, and the load supporting layer is an adhesive of the second zinc. The first zinc plated steel sheet or the first colorado sheet steel sheet 10, the heat insulating material 30, the load supporting layer 40, and the adhesive layer 50, in which the adhesive layer 50 bonded to the plated steel sheet or the second colorado sheet steel sheet is disposed. ) And a sandwich panel 100 having a second zinc plated steel sheet or a second color coated steel sheet 20 laminated structure.

In addition, the product configuration of the sandwich panel 100 of Figures 1 and 2 used as an industrial material or a building material is a product configuration that is widely used in the market, which is not a main part of the present invention;

The present invention, the foaming liquid constituting the heat insulating material 30 of the sandwich panel of Fig. 1 or 2 configuration is the inside of the first and second zinc plated steel sheet or the first and second color steel sheet steel sheet (10, 20) The technical idea of the manufacturing method of the technical structure to be easily filled and foamed, and the foam liquid discharge apparatus is a main part of this invention.

Hereinafter, the "method of manufacturing a sandwich panel using a fixed foaming system" of the present invention used as an industrial material or a building material will be described.

As shown in Fig. 3; (product configuration: Fig. 1, foaming liquid discharge device: see Fig. 6)

Used as an industrial material or a building material, the "method of manufacturing sandwich panel 100 using a fixed foaming system" of the present invention is manufactured by the following S1 to S4 manufacturing method.

S1 step: the first and second zinc-plated steel sheet or the first and second color steel sheet is mounted on the uncoiler, the step of forming

The uncoiler is equipped with a plurality of coils wound in the form of coils, and the coils are supplied to the plurality of layers, and after the flattening operation in which the supplied plurality of layers is unfolded flatly, the unfolded plurality of layers passes through the forming rollers and is formed into a sheet. The first and second zinc plated steel sheets or the first and second color coated steel sheets 10 and 20, which are the substrates described above, are manufactured.

S2 step: the foam liquid discharge device is fixed to the central portion of the first galvanized steel sheet or the first color steel sheet

The foam liquid ejecting apparatus 200 is mounted and fixed to the central portion of the first zinc-plated steel sheet or the first colorado sheet steel sheet 10 manufactured in step S1.

S3 step: filling, foaming step of the foam liquid constituting the insulation

The polyurethane stock solution, which is a foam liquid constituting the heat insulating material 30, is placed on the central portion of the first zinc-plated steel sheet or the first color coated sheet steel sheet 10 in step S2, and fixed to the fixed foam liquid discharge device 200. To 160 Kgf / cm 2, and the foaming liquid is injected at a discharge pressure of 130 to 160 Kgf / cm 2 through the injection nozzle 231 of the foam liquid discharge device, and the contact surface 232 and the side wall 234 are contacted to 90 to 130 degrees. Injection and filling of the first and second zinc plated steel sheets or the first and second color steel sheet steel sheets 10 and 20 in an angular range of 90 to 130 degrees in a fan shape by the refraction and sector space portion 233, Foaming is carried out to the heat insulating material 30 at a foaming temperature of 20 to 25 ℃.

S4 step: Crimping, curing and cutting packaging to manufacture the finished product

In the step S3, after the foaming liquid is pressed and cured by a pressing machine outside of the first and second zinc-plated steel sheets or the first and second color steel sheet steel sheets 10 and 20, which are foamed with the heat insulating material 30, they are cut and packed to a desired size. The finished sandwich panel 100 is manufactured.

In addition, the injection nozzle 231 of the foam liquid discharge device 200 is used a single or a plurality of injection nozzles (231) according to the product width of the sandwich panel 100 is a finished product;

The first and second zinc plated steel sheets or the first and second color coated steel sheets 10 and 20 are each 0.3 to 1.5 mm thick, and the heat insulating material 30 is 30 to 150 mm thick. Thickness values are exemplified in a preferred embodiment; If necessary, the thicknesses of the first and second zinc plated steel sheets or the first and second color steel sheets 10 and 20 and the heat insulating material 30 may be changed.

Hereinafter, another embodiment of the "method of manufacturing a sandwich panel using a fixed foaming system" of the present invention will be described.

As shown in FIG. 4, as required;

The step S3 may be configured by the method of manufacturing the sandwich panel 100 using the fixed foaming system, which is replaced with the following step S31. (Product configuration diagram: FIG. 1, foam liquid discharge device: see FIG. 7)

S31 step: filling and foaming step of the foam liquid constituting the insulation

The polyurethane stock solution, which is a foam liquid constituting the heat insulating material 30, is placed on the central portion of the first zinc-plated steel sheet or the first color coated sheet steel sheet 10 in step S2, and fixed to the fixed foam liquid discharge device 200. To 160 Kgf / cm2, and the foaming liquid is sprayed and discharged at a discharge pressure of 130 to 160 Kgf / cm2 through the plurality of injection nozzles 231 and 231 'of the foaming liquid ejecting apparatus equipped with the plurality of discharge parts 230 and 230'. First and second zinc plating in contact with the contact surfaces 232 and 232 'and the side walls 234 and 234' and refracted by 90 to 130 degrees and in a fan shape by the plurality of fan spaces 233 and 233 'in an angular range of 90 to 130 degrees. The steel sheet or the first and second colorado sheet steel (10, 20) is injected into the diffusion is filled, and foamed with a heat insulating material 30 at a foaming temperature of 20 to 25 ℃.

As shown in FIG. 5, as required;

The first and second zinc-coated steel sheets or the first and second color steel sheets 10 and 20 of the step S1 to S4 are excluded, the heat insulating material 30 is manufactured by the manufacturing method of the following steps S11 and S12 It can also be configured in a manner (product configuration: see the heat insulating material of Figure 1, foam liquid discharge device: see Figure 6).

S11 step: filling and foaming step of the foam liquid constituting the insulation

The polyurethane stock solution, which is a foam liquid constituting the heat insulating material 30, is supplied to the fixed foam liquid discharge device 200 fixed to the center of the foamer at a pressure of 130 to 160 Kgf / cm 2, and the foam liquid is a foam liquid discharge device. Spraying at a discharge pressure of 130 to 160 Kgf / cm 2 through the spray nozzle 231, and contacting the contact surface 232 and the side wall 234 to be refracted at 90 to 130 degrees and the spraying angle in the form of a fan by the fan space 233. It is injected and filled into the foaming machine in an angle range of 90 to 130 degrees, it is foamed with a heat insulating material 30 at a foaming temperature of 20 to 25 ℃.

S12 step: crimping, curing and cutting packaging of insulation

After filling and foaming the foaming liquid in step S11, and pressing and curing the heat insulating material 30 with a press, cut and packaged to the desired size.

In addition, as needed; (product structure: Fig. 2, foam liquid discharge device: see Fig. 6)

The first zinc-plated steel sheet or the first collar sheet steel sheet 10, the heat insulating material 30, the load supporting layer 40 of the configuration in which the load supporting layer 40 and the adhesive layer 50 are further provided on the heat insulating material 30. , The insulating layer 30 of the sandwich panel in which the adhesive layer 50, the second zinc plated steel sheet or the second color coated steel sheet 20 is laminated may be composed of a manufacturing method manufactured by the manufacturing method of step S3 or S31. have.

In addition, as needed; (product block diagram: see the heat insulating material of Figure 1, foam liquid discharge device: see Figure 6)

Polyurethane stock solution that is the foam liquid constituting the heat insulating material 30 may be composed of a manufacturing method consisting of polypropylene or polyethylene, polystyrene stock solution of thermoplastic resin of different materials;

In addition, as needed; (product structure: Fig. 1, foam liquid discharge device: see Fig. 6)

The first and second zinc plated steel sheets or the first and second color coated steel sheets 10 and 20 may be constituted by a manufacturing method consisting of a steel plate not coated with zinc or a color layer;

In addition, as needed; (product structure: Fig. 1, foam liquid discharge device: see Fig. 6)

3 to 5 Kgf / cm 2 compressed air is injected into the foaming liquid constituting the heat insulating material 30, and the foaming liquid composition for forming the foaming liquid may be composed of a manufacturing method;

In addition, as needed; (product structure: Fig. 1, foam liquid discharge device: see Fig. 6)

After the foaming liquid is injected into the foaming liquid ejecting device 200 on the upper part of the first zinc-plated steel sheet or the first color coated sheet steel sheet 10, the foamed liquid is filled with the foamed heat insulating material 30, and then the outside of the foamed heat insulating material 30. The second zinc plated steel sheet or the second color coated steel sheet 20 may be laminated, pressed, cured and cut-packed in a constitution, a manufacturing method;

In addition, as needed; (product structure: Fig. 1, foam liquid discharge device: see Fig. 6)

A foaming liquid discharging device 200 mounted on a central portion of the first zinc-plated steel sheet or the first color coated sheet steel sheet 10 in step S2;

The second zinc plated steel sheet or the second color coated steel sheet 20, which is a substrate disposed on the upper portion, may be configured in a manufacturing method of a fixed configuration.

As described above, the manufacturing method of the sandwich panel 100 using the fixed foaming system of the present invention, which is used as an industrial material or a building material,

The foam liquid discharge device 200 of the fixed foaming system configuration is fixed to a central portion of the first zinc-plated steel sheet or the first color coated sheet steel sheet 10, which is a substrate disposed below,

The foaming liquid constituting the insulating material 30 is contacted with the contact surface 232 and the side wall 234 by the spray nozzle 231 of the foaming liquid ejecting device, and the film is refracted at 90 (minimum refractive angle) to 130 degrees (maximum refractive angle). And, by the fan-shaped space portion 233 is sprayed in a fan-like shape in a wide angle range of 90 degrees (minimum injection angle) to 130 degrees (maximum injection angle), the first and second zinc plated steel sheet or the first and second colors In the manufacturing method of the sandwich panel using the fixed foaming system of the technical structure sprayed uniformly in the inside of the coated steel plates 10 and 20;

The foaming liquid ejecting method of the prior art is a problem that the foaming liquid ejecting device is a problem caused by the spraying of the foaming liquid constituting the heat insulating material while being reciprocated left and right in the interior of the galvanized steel sheet or color coated steel sheet disposed on the upper, lower The difficulty in increasing the speed at the time of changing direction from the reverse direction to the reverse direction from

The technology that solved the problem of increasing the product defect rate by increasing the amount of foam liquid injection on both side portions of the sandwich panel and increasing the amount of foam liquid injection in the central portion when the direction of changing the speed of the foam liquid ejecting device is increased to improve productivity. A method of manufacturing the configuration;

In particular, when the foam liquid constituting the heat insulating material 30, the foam liquid is in contact with the contact surface 232 and the side wall 234 of the foam liquid ejecting device 200 to be refracted and fan-shaped space portion 233 to 90 to 130 degrees By spraying in a wide angle range of 90 to 130 degrees in the form of a fan-shaped, by uniformly sprayed into the first and second zinc plated steel sheet or the first and second color steel sheet steel sheet (10,20), the productivity is significantly improved At the same time, the manufacturing method of the technical configuration improved workability by simplifying the work process;

A method of manufacturing a technical configuration in which the foaming liquid is uniformly sprayed into the first and second zinc plated steel sheets or the first and second color steel sheet steel sheets 10 and 20 to reduce product defect rate and improve product quality;

By the foam liquid discharge device 200 of the fixed foaming system configuration fixed to the central portion of the first zinc-plated steel sheet or the first color steel sheet steel sheet 10 which is a base disposed below,

Compared to the foam liquid ejection apparatus of the movable configuration which is reciprocated to the left and right of the galvanized steel sheet or the color coated steel sheet according to the prior art, the manufacturing cost and equipment operation cost of the foam liquid ejection apparatus 200 are reduced, and the manufacturing cost is reduced. It consists of the manufacturing method of.

Hereinafter, the "foam liquid ejection apparatus for a sandwich panel using a fixed foaming system" of the present invention will be described.

As shown in Figure 6,

The foam liquid ejection apparatus 200 of the sandwich panel using the fixed foaming system of the present invention, which is a foam liquid ejection apparatus constituting the heat insulating material 30 of the sandwich panel 100 used as an industrial material or a building material, includes: (sandwich panel Product configuration diagram: see Fig. 1, 2)

1) a main body 210 which is mounted and fixed to a central portion of the first zinc-plated steel sheet or the first color steel sheet steel sheet 10 that is a substrate disposed below the sandwich panel 100;

2) a fastener 221 which is fixed to the main body 210 and fixed to the foam liquid supply pipe connected to the foam liquid storage tank formed in the lower part of the main body 210,

A fixing part (220) formed in the main body (210) and the fixing tool (221), and having an inlet conveying hole (222) having a hole in which the foamed liquid is introduced into the main body (210);

3) the injection nozzle 231 is formed on the upper surface of the inlet port 222 of the fixing part 220, the foamed liquid inlet transported to the inlet port 222 is injected to the outside;

A side wall 234 formed at one side of the upper surface of the inlet port 222 and having one side surface extended at an inclination angle of 90 degrees from the upper surface of the inlet port;

A contact surface 232 formed at an upper end of the side wall 234, which is a tapered surface extending outward at an inclination angle of 15 to 40 degrees from an upper end of the side wall 234,

A discharge part 230 provided with a fan-shaped space part 233 which is a fan-shaped space part embedded in the contact surface 232, the upper surface of the inlet port 222, and the side wall 234; It consists of.

The main body 210;

A cylindrical body having a diameter of 10 to 50 mm made of metal or synthetic resin, which is mounted on the center portion of the first zinc-plated steel sheet or the first color steel sheet steel sheet 10, which is a substrate disposed under the sandwich panel,

In the lower part of the main body 210, a fastener 221 is formed with a screw thread having a structure corresponding to the screw line of the foam liquid supply pipe, the fastener is fastened to the foam liquid supply pipe connected to the foam liquid storage tank, the first zinc plating The main body 210 mounted on the central portion of the steel sheet or the first color steel sheet 10 is made of a configuration that is fixed fixedly.

The fixing part 220 is;

A fastener 221 having a threaded line corresponding to a screw line of the foaming liquid supply pipe is provided at the lower portion of the main body 210, and an inlet transporting hole 222 having a hole shape in which the foaming liquid flows inwardly into the main body 210. Is provided inside the main body 210 and the fixture 221,

The fastener 221 is fastened to the foam liquid supply pipe connected to the foam liquid storage tank, and the main body 210 mounted on the central portion of the first zinc plated steel sheet or the first color steel sheet steel sheet 10 is fixed and foamed. Polyurethane stock solution, which is a liquid, is introduced into the inlet port 222 at a pressure of 130 to 160 Kgf / cm 2 and is transported into the body 10.

The discharge unit 230;

An injection nozzle 231 formed on an upper surface of the inlet port 222 of the fixing part 220 and having a foamed liquid which is transported to the inlet port 222 to be injected to the outside;

A side wall 234 formed at one side of the upper surface of the inlet port 222 and having one side extended outward at an inclination angle of 90 degrees from the upper surface of the inlet port 222;

A contact surface 232 formed on an upper end of the side wall and a tapered surface extending outward at an inclination angle of 15 to 40 degrees from an upper end of the side wall 234,

The contact surface 232, the inlet port 222 upper surface, and an ejection portion 230 having a fan-shaped space portion 233, which is a fan-shaped space portion embedded in the interior of the side wall 234;

The polyurethane feed solution, which is a foam liquid transferred to the inlet port 222 at a pressure of 130 to 160 Kgf / cm 2, and is transferred to the injection nozzle 231, is injected at a discharge pressure of 130 to 160 Kgf / cm 2 through the injection nozzle 231. By contacting the side surface 234 extending outward at a 90 degree inclination angle and the contact surface 232 which is a tapered surface extending outward at an inclination angle of 15 to 40 degrees from the upper end of the side wall,

Polyurethane stock solution, a foaming liquid, is deflected at 90 degrees, the inclination angle of the side wall 234, or 15 to 40 degrees, the inclination angle of the tapered surface (contact surface) extended outward from the upper end of the side wall 234, 105 to 130 Refracted, and the polyurethane stock solution, which is a foam liquid, is refracted at 90 degrees (minimum refractive index) to 130 degrees (maximum refractive index),

The refracted foam is sprayed by a fan-shaped space portion 233 which is a fan-shaped space portion embedded in the contact surface 232, the upper surface of the inlet port 222, and the side wall 234. Spraying and filling the inside of the first and second zinc plated steel sheets or the first and second colorado steel sheets 10 and 20 in a wide angular range of a minimum injection angle) to 130 degrees (maximum injection angle);

A fixed foam liquid discharging device 200 which is fixed to a central portion of the first zinc-plated steel sheet or the first colorado sheet steel sheet 10, which is a substrate disposed at the bottom of the present invention, is a first and second zinc-plated steel sheet as the substrate. Or it is comprised by the discharge part 230 of the structure by which the inside of the 1st and 1st color sheet steel sheets 10 and 20 is easily sprayed and filled.

As shown in Figure 7; (sandwich panel product configuration: see Figure 1, Figure 2)

If necessary, the foam liquid discharge apparatus 200 of the sandwich panel using the fixed foaming system of the present invention,

It may be composed of a foaming liquid ejecting apparatus having the following configuration, which is provided with a plurality of ejecting portions 230 and 230 ', in which the spraying amount and the spraying area of the foaming liquid are expanded.

1) a main body 210 which is mounted and fixed to a central portion of the first zinc-plated steel sheet or the first color steel sheet steel sheet 10 that is a substrate disposed below the sandwich panel 100;

2) a fastener 221 which is fixed to the main body 210 and fixed to the foam liquid supply pipe connected to the foam liquid storage tank formed in the lower part of the main body 210,

A fixing part (220) formed in the main body (210) and the fixing tool (221), and having an inlet conveying hole (222) having a hole in which the foamed liquid is introduced into the main body (210);

3) a branch 240 which is a branch pipe for forming a plurality of discharge parts, which is provided on the inlet port 222 of the fixing part 220;

4) the inlet port through the branch 240, which is provided on the upper portion of the branch 240

(222) a plurality of injection nozzles in which the foamed liquid respectively introduced into the upper surface is sprayed to the outside;

(231,231 '),

A plurality of side walls 234 and 234 'each of which is formed at one side of the upper surface of the inlet port 222, one side of which is respectively extended at an inclination angle of 90 degrees from the upper surface of the inlet port 222;

A plurality of contact surfaces 232 and 232 'which are tapered surfaces extending from the upper ends of the side walls 234 and 234' to the outside at an inclination angle of 15 to 40 degrees, respectively, respectively formed on the upper ends of the plurality of side walls 234 and 234 ';

Discharge parts 230 and 230 provided with a plurality of fan-shaped space parts 233 and 233 ', which are fan-shaped space parts embedded in the plurality of contact surfaces 232 and 232', the upper surface of the inlet port 222, and the side walls 234 and 234 '. '); May be configured.

Also, as needed;

The injection nozzle 231 of the foam liquid discharging device 200 is provided with a single or multiple injection nozzles 231 according to the width of the product 100 of the sandwich panel as a finished product. It may be composed of a foam liquid discharge device 200.

As described above, the foam liquid discharge apparatus 200 of the sandwich panel using the fixed foaming system of the present invention;

A main body 210 fixed to a central portion of the first zinc-plated steel sheet or the first color steel sheet steel sheet 10, which is a substrate disposed under the sandwich panel 100;

A fixing part 220 having a fixing tool 221 formed at a lower portion of the main body 210 and an inlet transporting hole 222 formed inside the main body 210;

Polyurethane stock solution, which is a foam liquid transferred to the inlet port 222 of the fixing unit 220 and transferred to the spray nozzle 231, is sprayed to the outside through the spray nozzle 231, and one side thereof is inclined at a 90 degree angle. By contacting the outer sidewall 234 and the contact surface 232, which is a tapered surface extending outward at an inclination angle of 15 to 40 degrees from the upper end of the sidewall 234,

Polyurethane stock solution, a foaming liquid, is deflected at 90 degrees, the inclination angle of the side wall 234, or 15 to 40 degrees, the inclination angle of the tapered surface (contact surface) extended outward from the upper end of the side wall 234, 105 to 130 By refraction of the road, the polyurethane stock solution, which is a foaming liquid, is refracted by 90 degrees (minimum refractive index) to 130 degrees (maximum refractive index),

The refracted foam is sprayed by a fan-shaped space portion 233 which is a fan-shaped space portion embedded in the contact surface 232, the upper surface of the inlet port 222, and the side wall 234. Discharge portion 230 configured to be sprayed and filled into the first and second zinc-plated steel sheets or the first and second color steel sheet steel sheets 10 and 20 in a wide angular range of minimum spray angle) to 130 degrees (maximum spray angle). )end; Consisting of the foam liquid discharge device 200 of the sandwich panel provided using a fixed foam system,

The foam liquid ejecting apparatus of the prior art is a problem caused by spraying the foam liquid constituting the heat insulating material while being reciprocated left and right inside the galvanized steel sheet or color coated steel sheet disposed in the upper and lower parts, in the forward or reverse direction It is difficult to increase the speed at the time of turning in the forward direction, the productivity is significantly lowered,

The technology that solved the problem of increasing the product defect rate by increasing the amount of foam liquid injection on both side portions of the sandwich panel and increasing the amount of foam liquid injection in the central portion when the direction of changing the speed of the foam liquid ejecting device is increased to improve productivity. A discharge device of the configuration;

In particular, when the foam liquid constituting the heat insulating material 30, the foam liquid is refracted at 90 to 130 degrees, uniform in the first and second zinc plated steel sheets or the first and second color steel sheet steel sheets 10 and 20 in a fan shape. And the ejection apparatus 200 having a technical configuration of which the productivity is remarkably improved and the workability is improved by simplifying the work process;

A discharge device 200 having a technical configuration in which product defect rate is lowered and product quality is improved;

A discharge apparatus 200 having a technical configuration in which the manufacturing cost of the foam liquid discharging apparatus 200 is reduced and the operating cost of the equipment is reduced;

A first zinc plated steel sheet or a first color coated steel sheet, which is a substrate disposed below the present invention.

The fixed foam liquid discharging device 200 mounted and fixed to the central portion of 10 to easily spray the inside of the first and second zinc plated steel sheets or the first and second color coated steel sheets 10 and 20, Of technical components filled; It consists of the foam liquid discharge apparatus 200 of the sandwich panel using a fixed foaming system.

100: invention sandwich panel
10: first galvanized steel sheet or first color steel sheet
20: 2nd galvanized steel sheet or 2nd color steel sheet
30: insulation
40: load supporting layer
50: adhesive layer 3
200: foam liquid discharge device
210: main body
220: fixed part
221: fixture 222: inlet feeder
230,230 ': discharge part
231,231 ': spray nozzle
232,232 ': contact surface 233,233': sector space
234,234 ': sidewall
240: branch portion

Claims (15)

First and second zinc plated steel sheets 10 and 20 coated with zinc or a color layer coated with zinc on the outside of the steel sheet, which are substrates disposed on the upper and lower portions, and the first and second zinc sheets. Method for manufacturing a sandwich panel 100 used as an industrial material or a building material, consisting of a heat insulating material 30 filled and foamed inside the plated steel sheet or the first and second color steel sheet;
In the following step S31, characterized in that the foaming liquid constituting the heat insulating material 30 is filled, foamed, Manufacturing method of sandwich panel 100 using a fixed foam system

S31 step: filling and foaming step of the foam liquid constituting the insulation
The polyurethane stock solution, which is a foam liquid constituting the heat insulating material 30, is mounted on the central portion of the first zinc plated steel sheet or the first color coated sheet steel sheet 10, and fixed to the foam liquid discharge device 200. / 2 cm2, and the foam liquid is sprayed at a discharge pressure of 130 to 160 Kgf / cm2 through a plurality of spray nozzles 231 and 231 'of the foam liquid ejecting apparatus equipped with a plurality of discharge portions 230 and 230', and a plurality of contact surfaces ( 232,232 'and the sidewalls 234,234' are refracted at 90 to 130 degrees and are formed in a fan shape by the plurality of fan-shaped space portions 233,233 'in the angular range of the spray angle 90 to 130 degrees. 1,2 color sheet steel
Filled by diffusion spraying the inside of (10,20), it is foamed into the heat insulating material 30 at a foaming temperature of 20 to 25 ℃. delete delete delete delete delete According to claim 1, wherein the foaming liquid constituting the insulating material 30, 3 to 5 Kgf / ㎠ compressed air is injected into the foamed liquid composition characterized in that the foamed liquid is mixed, using a fixed foaming system Method for producing a sandwich panel (100). delete According to claim 1, wherein the foamed liquid discharge device 200 is fixed to the center portion of the first galvanized steel sheet or the first color steel sheet 10,
A method of manufacturing a sandwich panel (100) using a fixed foaming system, characterized in that it is fixed to the center portion of the second zinc plated steel sheet or the second color coated sheet steel sheet 20 which is disposed on the upper portion. Foam liquid discharge apparatus 200, which constitutes the heat insulating material 30 of the sandwich panel 100 used as an industrial material or a building material;
A main body 210 mounted and fixed to a central portion of the first zinc-plated steel sheet or the first color steel sheet steel sheet 10, which is a substrate disposed below the sandwich panel 100;
A fastener 221 formed at the bottom of the main body 210 to fasten and fix the main body 210 to the foam liquid supply pipe connected to the foam liquid reservoir;
A fixing part (220) formed in the main body (210) and the fixing tool (221), and having an inlet conveying hole (222) having a hole in which the foamed liquid is introduced into the main body (210);
An injection nozzle 231 formed on an upper surface of the inlet port 222 of the fixing part 220 and having a foamed liquid which is transported to the inlet port 222 to be injected to the outside;
A side wall 234 formed at one side of the upper surface of the inlet port 222 and having one side surface extended at an inclination angle of 90 degrees from the upper surface of the inlet port;
A contact surface 232 formed at an upper end of the side wall 234, which is a tapered surface extending outward at an inclination angle of 15 to 40 degrees from an upper end of the side wall 234,
And a discharge part 230 having a fan-shaped space part 233 which is a fan-shaped space part embedded in the contact surface 232 and the upper surface of the inlet port 222 and the side wall 234. The foam liquid discharge device 200 of the sandwich panel using a fixed foam system. Foam liquid discharge apparatus 200, which constitutes the heat insulating material 30 of the sandwich panel 100 used as an industrial material or a building material;
A main body 210 mounted and fixed to a central portion of the first zinc-plated steel sheet or the first color steel sheet steel sheet 10, which is a substrate disposed below the sandwich panel 100;
A fastener 221 formed at the bottom of the main body 210 to fasten and fix the main body 210 to the foam liquid supply pipe connected to the foam liquid reservoir;
A fixing part (220) formed in the main body (210) and the fixing tool (221), and having an inlet conveying hole (222) having a hole in which the foamed liquid is introduced into the main body (210);
A branching part 240 which is provided on the inlet port 222 of the fixing part 220 and is a branching pipe for forming a plurality of discharge parts;
Inlet port through the branch portion 240, which is provided on the upper portion of the branch portion 240
(222) a plurality of injection nozzles in which the foamed liquid respectively introduced into the upper surface is sprayed to the outside;
(231,231 '),
A plurality of side walls 234 and 234 'each of which is formed at one side of the upper surface of the inlet port 222, one side of which is respectively extended at an inclination angle of 90 degrees from the upper surface of the inlet port 222;
A plurality of contact surfaces 232 and 232 'which are tapered surfaces extending from the upper ends of the side walls 234 and 234' to the outside at an inclination angle of 15 to 40 degrees, respectively, respectively formed on the upper ends of the plurality of side walls 234 and 234 ';
Discharge parts 230 and 230 provided with a plurality of fan-shaped space parts 233 and 233 ', which are fan-shaped space parts embedded in the plurality of contact surfaces 232 and 232', the upper surface of the inlet port 222, and the side walls 234 and 234 '. '); Furnace, characterized in that configured, foaming apparatus discharge device 200 of the sandwich panel using a fixed foaming system. 12. The apparatus of any one of claims 10 or 11, wherein the body (210) comprises;
Cylindrical body 210 having a diameter of 10 to 50 mm made of metal or synthetic resin, and is mounted on the central portion of the first zinc-plated steel sheet or the first color steel sheet 10, which is a substrate disposed under the sandwich panel 100, and ,
In the lower part of the main body 210, a fastener 221 is formed with a screw thread having a structure corresponding to the screw thread of the foam liquid supply pipe, the fastener 221 is fastened, fixed to the foam liquid supply pipe connected to the foam liquid reservoir Characterized in that, the foam liquid discharge apparatus 200 of the sandwich panel using a fixed foaming system. The method of claim 10 or 11, wherein the fixing unit 220;
A fastener 221 having a threaded line corresponding to a screw line of the foaming liquid supply pipe is provided at the lower portion of the main body 210, and an inlet transporting hole 222 having a hole shape in which the foaming liquid flows inwardly into the main body 210. Is characterized in that the main body 210 and the fixture 221 is provided in the interior, foam liquid discharge apparatus 200 of the sandwich panel using a fixed foaming system. 12. The spray nozzle according to claim 10 or 11, further comprising: a spray nozzle 231 of the foam liquid ejecting apparatus;
Finished product sandwich panel 100, characterized in that consisting of a single or a plurality of injection nozzles (231) according to the product width, foaming apparatus discharge device 200 of the sandwich panel using a fixed foaming system. The method according to any one of claims 10 to 11, wherein the discharge unit 230;
Polyurethane stock solution, which is a foam liquid transferred to the spray nozzle 231, is sprayed through the spray nozzle 231 so that one side thereof extends outward at a 90 degree inclination angle and 15 to 15 at an upper end of the side wall 234. By contacting the contact surface 232, which is a tapered surface extending outward at an inclination angle of 40 degrees,
Polyurethane stock solution, which is a foaming liquid, is refracted at 90 degrees, the inclination angle of the sidewall 234, or at an upper end of the sidewall 234, 15 to 40 degrees, the inclination angle of the contact surface 232, is further refracted at 105 to 130 degrees. Polyurethane stock solution, which is a liquid, is refracted at 90 degrees to 130 degrees,
The refracted foam is sprayed in a fan shape by the fan space portion 2330 embedded in the contact surface 232, the upper surface of the inlet port 222, and the side wall 234. Characterized in that the injection, the foam liquid discharge apparatus 200 of the sandwich panel using a fixed foaming system.

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