KR20070033614A - Prefabricated Urethane Panel Manufacturing Equipment - Google Patents

Abstract

In order to facilitate mass production and reduce manufacturing costs, a first transfer device for automatically transferring a panel body configured by assembling a pair of connecting members between the front and rear edges of the outer plate and the inner plate by a predetermined distance, and the panel body is a first transfer device. The preheating device is configured to preheat the panel body to a predetermined temperature while being transported by, the injection device is configured to inject foam urethane into the preheated panel body, and a pair of conveyors are arranged at predetermined intervals along the vertical direction. A second transfer device which is connected to each other by a cylinder device for vertical space adjustment in a state and transfers the panel body injected with the polyurethane foam between a pair of conveyors, and the polyurethane foam while the panel body is transferred by the second transfer device. A sealing device that seals between both edges of the panel body to prevent leakage, and the panel Provided is a prefabricated low temperature urethane panel manufacturing apparatus comprising a temperature maintaining device for maintaining a temperature suitable for molding the foamed urethane while the body is transported by a second transfer device.

Refrigeration, Refrigeration, Storage, Insulation, Panels, Urethane, Transfer, Preheat, Infusion, Sealed

Description

Manufacturing Apparatus for Urethane Panel for Prefabricated Cold Storage {Manufacturing Apparatus of Urethane Pannel for Fabricated Cold Storage Warehouse}

1 is a front view showing an embodiment of a prefabricated low temperature urethane panel manufacturing apparatus according to the present invention.

Figure 2 is a plan view showing an embodiment of a prefabricated low temperature urethane panel manufacturing apparatus according to the present invention.

Figure 3 is a cross-sectional view showing a panel body in one embodiment of a prefabricated low-temperature warehouse for manufacturing urethane panel according to the present invention.

Figure 4 is a partially enlarged plan view showing the assembly table and the standby table in one embodiment of the prefabricated low temperature urethane panel manufacturing apparatus according to the present invention.

Figure 5 is a side view showing the assembly stand and stand in one embodiment of the prefabricated low-temperature warehouse for manufacturing urethane panel according to the present invention.

Figure 6 is a front cross-sectional view showing a first transfer device in one embodiment of a prefabricated low temperature urethane panel manufacturing apparatus according to the present invention.

Figure 7 is a partially enlarged plan view showing a first transfer device in one embodiment of a prefabricated low temperature urethane panel manufacturing apparatus according to the present invention.

8 is a cross-sectional view taken along the line A-A of FIG.

Figure 9 is a partial cross-sectional front view showing a preheating device in one embodiment of a prefabricated low temperature urethane panel manufacturing apparatus according to the present invention.

Figure 10 is a side view showing an injection device in one embodiment of a prefabricated low temperature urethane panel manufacturing apparatus according to the present invention.

Figure 11 is a plan view showing an injection device in an embodiment of a prefabricated low temperature urethane panel manufacturing apparatus according to the present invention.

12 is an enlarged cross-sectional view taken along the line B-B in FIG.

FIG. 13 is an enlarged cross-sectional view taken along the line C-C in FIG.

Figure 14 is a side view showing the auxiliary moving device of the injection device in one embodiment of the prefabricated low-temperature warehouse for manufacturing urethane panel according to the present invention.

15 is an enlarged cross-sectional view taken along the line D-D of FIG. 14.

16 is an enlarged cross-sectional view taken along the line E-E of FIG.

17 is a front view showing a second transfer device in an embodiment of a prefabricated low temperature urethane panel manufacturing apparatus according to the present invention.

18 is a side view showing a second transfer device in an embodiment of a prefabricated low temperature urethane panel manufacturing apparatus according to the present invention.

19 is a partial cross-sectional plan view showing a second transfer device in an embodiment of a prefabricated low temperature warehouse for urethane panel manufacturing device according to the present invention.

20 is a cross-sectional view taken along the line F-F in FIG.

21 is a cross-sectional view taken along the line G-G in FIG.

Figure 22 is a plan view showing a sealing device in one embodiment of a prefabricated low-temperature warehouse for manufacturing urethane panel according to the present invention.

FIG. 23 is a cross-sectional view taken along the line H-H in FIG. 22.

24 is a partial cross-sectional view showing a urethane panel manufactured by the prefabricated low temperature warehouse for urethane panel manufacturing apparatus according to the present invention.

25 is a cross-sectional view showing a temperature maintaining apparatus in one embodiment of a prefabricated low temperature urethane panel manufacturing apparatus according to the present invention.

The present invention relates to a prefabricated low-temperature warehouse for urethane panel manufacturing apparatus, and more particularly, to manufacture a prefabricated low-temperature warehouse urethane panel suitable for mass production of urethane panels used for prefabricated low-temperature warehouse and configured to reduce the manpower required for production. Relates to a device.

In general, as a low-temperature warehouse for storing various objects or products at a low temperature, freezer and cold storage are widely known.

Low-temperature warehouses, such as the freezer and refrigerated warehouses are mainly configured by connecting a urethane panel is installed prefabricated urethane (polyurethane foam) inside.

Conventional prefabricated low-temperature warehouse urethane panel is an inner plate and an outer plate which forms an inner surface and an outer surface of the low-temperature warehouse and are installed in parallel at a predetermined interval from each other, and a urethane formed between the inner plate and the outer plate and using foamed urethane, and the inner plate. Consists of a connecting member assembled between the four sides of the outer plate and.

Conventional prefabricated low-temperature warehouse urethane panel is constructed as described above, the demand is gradually increasing due to various advantages, such as good strength, excellent heat insulation, easy to assemble, but because mass production is difficult, the price is expensive and requires a lot of manpower Urgent measures are needed.

The present invention has been made in view of the above, the device is arranged to continuously produce the urethane panel, it is possible to ease the mass production, elimination of labor shortage, cost reduction, etc., the flatness of the urethane panel It is an object of the present invention to provide a prefabricated low temperature urethane panel manufacturing apparatus which is configured to maintain the quality of the urethane panel to be maintained well.

Prefabricated low-temperature urethane panel manufacturing apparatus proposed by the present invention is a first transfer device for automatically conveying a panel body configured by assembling a pair of connecting members between the front and rear edges of the outer plate and the inner plate by a predetermined distance, and the panel body A preheating device configured to preheat the panel body to a predetermined temperature while being transported by the first transfer device, an injection device configured to inject foam urethane into the preheated panel body; The second conveying apparatus is made by connecting a pair of conveyors to each other in a cylinder device for vertical gap adjustment in a state arranged at a predetermined interval along the vertical direction, and transfers the panel body in which the foamed urethane is injected between the pair of conveyors And a sealing device for sealing between both edges of the panel body so that the foamed urethane does not leak while the panel body is transported by the second transport device, and the panel body is transported by the second transport device. It comprises a temperature maintaining device for maintaining a temperature suitable for the molding of the foamed urethane.

The first transfer device can be made using a roller conveyor, a slat conveyor, or the like.

The preheating device includes a preheating passage formed by forming a portion of a longitudinal direction of the first transfer device in a tunnel shape, and a hot air fan for supplying hot wind into the preheating passage.

The injection device is provided on both sides of the first transfer device, a pair of mixing heads for spraying the foamed urethane at high pressure, a pair of support frames for supporting the pair of mixing heads to a predetermined height, and the pair of And a pair of forward and backward moving devices for moving the mixing head back and forth from the support frame, and a pair of swing moving devices for moving the mixing head up and down from the support frame.

The injection device may further comprise an auxiliary transfer device for moving the front and rear movement device and the moving device back and forth from the support frame.

The second transfer device may be made by connecting a pair of slat conveyors with a plurality of hydraulic cylinders at predetermined intervals.

The conveyor includes a support frame, a pair of rotary shafts installed at both ends of the support frame, and a pair of sprocket wheels coupled at predetermined intervals, a motor for applying rotational force to the rotary shaft, and the pair of sprockets. A pair of chains each installed so as to be wound around the wheel and rotated at predetermined intervals, and a pair of chain guides fixed to the support frame to guide movement of the rollers of the chain, and between the pair of chains. A plurality is installed at a predetermined interval on one side and each side comprises a board member for each pair of support members are installed, and a side support rail fixed to the support frame to guide the support member.

The sealing device is installed in both front and rear sides of the second transfer device to form a pair of two pairs of sprocket wheels driven by a motor, a pair of chains respectively wound around the two sprocket wheels and rotated, A plurality of sealing blocks connected to the pair of chains and sealing between both side edges of the panel body, a finishing material supplied between the sealing block and both side edges of the panel body and wound in a roll shape, and the finish material is in a roll shape. It comprises a roll support for rotatably supporting the finish to loosen naturally in.

 As the molding of the foam urethane is completed on the surface of the sealed block in contact with the foam urethane, a female assembly part is formed at one side of the panel body and a female assembly part having a shape corresponding to the female assembly part is formed at the other side. It is possible to form a surface and a watertight surface, respectively.

The temperature maintaining device includes a molding passage which wraps the second transfer device in a substantially tunnel shape, and a pair of ducts are formed at an upper side and a lower side, respectively, and a ventilation hole is formed at one side of the pair of ducts facing the conveyor. It includes a hot air fan for supplying hot wind to the duct of the passage.

And the prefabricated low temperature urethane panel manufacturing apparatus of the present invention may further comprise an assembly table is performed to form the panel body by assembling the connection member between the front and rear edges of the outer plate and the inner plate, respectively. In addition, it is also possible to further comprise a standby for waiting the panel body before transferring the panel body through the first transfer device.

Next, with reference to the drawings a preferred embodiment of the prefabricated low-temperature warehouse for manufacturing urethane panel according to the present invention will be described in detail.

First, an embodiment of the prefabricated low temperature urethane panel manufacturing apparatus according to the present invention, as shown in Figures 1 to 3, the assembly table 100 is performed to form the panel body 10, the panel body A standby table 200 for waiting 10, a first transfer device 300 for automatically transferring the panel body 10 by a predetermined distance, and preheating the panel body 10 to a predetermined temperature. Preheating device 400, the injection device 500 made to inject the foamed urethane 50 into the interior of the preheated panel body 10, and the panel body 10 in which the foamed urethane 50 is injected automatically Both sides of the panel body 10 so that the foamed urethane 50 does not leak while the second conveying apparatus 600 and the panel body 10 are conveyed by the second conveying apparatus 600. Sealing device 700 for sealing between the room edge and the panel body 10 is 2 comprises a temperature maintaining apparatus 800 that maintains the temperature suitable for molding of the urethane foam (50) while being conveyed by the conveying device 600. The

The panel body 10 is made by assembling the connecting member 60 between the front and rear ends of the outer plate 20 and the inner plate 40, respectively.

As is well known, the outer plate 20 and / or inner plate 40 is a process of color coating a coil-shaped iron plate of a predetermined thickness (about 0.7mm), cutting to a predetermined size, bending on the plate surface It is manufactured through the process of forming, the process of bending the corners and the like. And the connecting member 60 is manufactured through injection molding.

As described above, the outer plate 20, the inner plate 40, and the connecting member 60 manufactured as described above are integrally assembled by hand at the assembly table 100 to form the panel body 10, as shown in FIG. 3. do.

1 and 2, 4, and 5, the assembly table 100 is rotatably installed on the support frame 120 and the support frame 120, a plurality of predetermined intervals It comprises a roller 140 that is disposed long.

The support frame 120 may be composed of a plurality of legs installed on the ground at predetermined intervals, and a connecting bar 124 connecting and fixing the plurality of legs 122.

The roller 140 is made using a rubber roller or the like to prevent the surface of the panel body 10 from being damaged.

Although the assembly table 100 is not shown in the drawings, it may be made of a roller conveyor which is generally widely used.

As shown in FIG. 5, a guard rail 160 for guiding the movement of the panel body 10 may be installed at one side of the support frame 120.

As the panel body 10 is formed in the assembly table 100, the panel body 10 is manually brought into contact with the roller 140 to move to the standby table 200.

The stand 200 is installed side by side with a predetermined interval with the assembly table 100.

Also in the said standby stand 200, it can be comprised with the structure similar to the said assembly table 100. FIG.

That is, the stand 200 is fixed by connecting a plurality of legs 222 installed upright on the ground at predetermined intervals as shown in FIGS. 1 and 2, 4, and 5 by connecting bars 224. It is possible to include a support frame 220 and a roller 240 is rotatably installed on the support frame 220 and a plurality of the plurality is long spaced at a predetermined interval.

The panel body 10, which is waiting in the standby zone 100, is brought into rolling contact with the roller 240 manually and moved to the first transfer device 300.

The guard rail 260 may be provided on one side of the stand 200 similarly to the guard rail 160 of the assembly table 100.

The assembly table 100 and the standby table 200 in the above it is also possible to remove any one of the two and configure the remaining one approximately twice as long.

The first conveying apparatus 300 is installed side by side at a predetermined interval on the opposite side of the assembly table 100 of the standby table 200.

The first transfer device 300 automatically transfers the panel body 10 in the opposite direction of the standby stand 200 as the waiting panel body 10 is supplied from the standby stand 200.

The first transfer device 300 as described above is made using a roller conveyor which is driven by the driving force of the motor 360 and is configured by connecting the plurality of rollers 390 in a chain.

That is, as shown in FIGS. 6 to 8, the first transfer device supports frame 320 formed by connecting and fixing the plurality of legs 322, which are installed on the ground at predetermined intervals, by connecting bars 324. And a pair of rotary shafts 340 installed at both ends of the support frame 320 and coupled to a pair of sprocket wheels 350 at predetermined intervals, and a motor for applying rotational force to the rotary shaft 340. 360, a pair of chains 370 respectively installed to be wound around the pair of sprocket wheels 330, guide rails 380 fixed to the support frame to guide the movement of the chains, and It comprises a roller 390, a plurality of which is installed at a predetermined interval between the pair of chain 37.

Although not shown in the drawings, the guard rail may be installed in the support frame 320 similarly to the assembly table 100 and / or the standby table 200 in the first transfer device 300 as described above.

Although the first transfer device 300 has been described as being made using a roller conveyor, the present invention is not limited thereto and may be made using a slat conveyor or the like.

The preheater 400 is installed to heat the panel body 10 to a predetermined temperature before the panel body 10 is transferred to the injection device 500 by the first transfer device 300. .

That is, preheating is performed through the preheater 400 while the panel body 10 is transported by the first transfer device 300.

The preheater 400 is configured to heat the outer plate 20 and the inner plate 40 of the panel body 10 to a temperature of about 30 ~ 50 ℃.

As described above, by heating the panel body 10 in advance before the operation of injecting the foamed urethane 50 into the panel body 10 using the preheating device 400 is performed. The chemical reaction is activated and the bonding strength with the panel body 10 is enhanced.

As shown in FIGS. 1, 2, and 9, the preheating device 400 includes a cover 420 that wraps a predetermined section of the first transfer device 300 at a predetermined interval, and the cover 420. It comprises a hot air fan 440 for supplying hot wind to the panel body 10 passing through).

The cover 420 is installed in a tunnel shape to minimize heat loss and prevent waste of energy.

A temperature sensor or the like may be provided inside the cover 420 to configure the hot air blower 440 to be turned on / off in accordance with a preset temperature.

Since the hot air fan 440 may be implemented by the same configuration as a hot air fan which is generally used, a detailed description thereof will be omitted.

The panel body 10 preheated by the preheater 400 is continuously transported by the first transfer device 300, and then the injection device 500 is moved as the first transfer device 300 is paused. After the foamed urethane (50) is injected through the first transfer device 300 operates as the transfer continues.

1 and 2, 10 to 13, the injection device 500 is installed on both sides of the first transfer device 300, respectively, a pair of injecting the foamed urethane 50 at high pressure A pair of forward and backward movements for moving the mixing head 510, the pair of support frames 520 respectively supporting the pair of mixing heads 510 to a predetermined height, and the pair of mixing heads 510, respectively. It comprises a device 540 and a pair of moving device 560 for moving the pair of mixing heads 510 up and down, respectively.

The mixing head 510 is made to mix and spray the material (e.g., isocyanate and polyol, foaming agent, other additives) made of foam urethane as it is pushed by the hydraulic pump from the storage tank.

The support frame 520 supports the mixing head 510, the front and rear movement apparatus 540, and the shank movement apparatus 560 to a predetermined height from the ground.

The support frame 520 is, for example, as shown in Figure 10, a plurality of legs 522 that are installed standing on the ground at a predetermined interval and the connection connecting the plurality of legs 522 to each other and fixed to each other It comprises a bar 524.

The front and rear movement device 540 is generally made using a cylinder device which is operated by pneumatic or hydraulic pressure.

For example, as shown in FIGS. 10 and 11, the front and rear movement apparatus 540 is installed to be supported by the cylinder 542 fixedly supported by the support frame 520 and the cylinder 542 to be moved forward and backward. It includes a piston rod 544 connected to the mixing head 510.

12 and 13, the vertical movement guide 562 is supported by the support frame 520 and the guide rail 564 is formed, and the vertical guide 562. The guide rail 564 is assembled to the guide rail 564 is formed in Shanghai Dongdae 566, and the shandong Dongdae 576 comprises a screw drive unit 570 to move.

In the screw drive unit 570, a male screw 574 is formed on the outer circumferential surface thereof, and the shank shaft 572 having the handle 575 coupled to one end thereof is rotatably supported by the upper and lower guides 562. The female screw hole 576 is coupled to the male screw 574 of the shanghai pine shaft 572 and the female screw 578 is formed on the inner circumferential surface thereof.

Although not shown in the figure, the shank moving device 560 may be formed using a cylinder device similarly to the before and after moving device.

In the prefabricated low temperature urethane panel manufacturing apparatus according to an embodiment of the present invention made as described above, the injection device 500, as shown in Figure 14 to Figure 16, the mixing head 510 manually It is also possible to further comprise an auxiliary movement device 580 for moving forward and backward.

The auxiliary movement device 580 is installed on the support frame 520 and the front and rear guide 582 is formed with a guide rail 584, and guide groove 588 is assembled and guided to the guide rail 582 is formed And a front and rear moving table 586 on which the shank moving device 560 is installed, and a screw driving unit 590 for moving the front and rear moving table 586 back and forth.

In the screw drive unit 590, a male screw 594 is formed on an outer circumferential surface thereof, and supports the front and rear feed shaft 592 rotatably supported by the support frame 520, and the handle 595 is coupled to one end thereof. The female thread hole 596 coupled to the male screw 594 of the 592 and the female thread 598 formed on the inner circumferential surface thereof is formed in the front and rear movable stage 596.

Although not shown in the drawings, the screw drive unit 590 may be formed of a rack and pinion instead of the front and rear feed shaft 592 and the female threaded hole 596.

At the same time as the injection of the urethane foam 50 is started by the injection device 500 as described above, the first transfer device 300 is stopped and restarted, and thus the panel body 10 is moved forward. The foamed urethane (50) is injected into the second transfer device (600) after being injected as far as the rear.

The second transfer device 600 is installed side by side at a predetermined interval on the opposite side of the stand 200 of the first transfer device (300).

The pair of conveyors 610 of the second transfer device 600 is made of a slat conveyor.

For example, as shown in FIGS. 17 to 21, the slat conveyor 610 is installed on a pair of support frames 612 and both ends of the support frame 612, respectively, and a pair of sprocket wheels 622. A pair of rotary shafts 620 coupled at predetermined intervals, a motor 630 for applying rotational force to the rotary shaft 620, and a pair of sprocket wheels 622 are respectively installed to be wound and rotated. The chain guide 650 is fixed to the support frame 610 to guide the movement of the pair of chain 640 and the roller 648 of the chain 640 is installed on one side at intervals. And, a plurality of between the pair of chains 640 are installed at a predetermined interval, and a pair of board member 660 is installed on one side each support member 670, and fixed to the support frame 610 and the It comprises a side support rail 680 for guiding the support member 670.

The pair of conveyors 610 as described above is adjusted vertically by using a plurality of cylinder devices 690 that operate by hydraulic or pneumatic. It is therefore possible to produce panels of various thicknesses.

For example, the cylinder device 690 is a cylinder member 692 which is connected to one end of the lower end of the conveyor 610, and one end portion is coupled to the cylinder member 692 so as to be able to move forward and backward. The piston 694 is moved forward and backward by hydraulic pressure or pneumatic pressure and the other end is connected to the conveyor 610 located at the upper portion.

The cylinder device 690 as described above has the pair of conveyors 610 when pressure is applied to the outer plate 20 and the inner plate 40 by a chemical reaction of the urethane foam 50 injected into the panel body 10. Keeps the distance between

As shown in FIG. 22, a pair of sealing devices 700 installed on both sides of the second transfer device 600 are installed such that one or more pairs are formed in both front and rear sides of the second transfer device 600. And a pair of sprocket wheels 740 and two pairs of chains 730, each of which is wound around the two sets of sprocket wheels 740 and rotated by the motor 750, and the pair of chains 730. A plurality of sealing blocks 720 for sealing between the both sides edge of the panel body 10, and a pair of finishing material in the form of rolls supplied between the both sides of the sealing block 720 and the panel body 10 ( 780 and the pair of finishing members 780 are formed in a roll form and includes a pair of roll supports 760 to rotatably support the finishing members 780 so as to be naturally released by the closure block 720.

 As shown in FIG. 23 and FIG. 24, the surface of the airtight block 720 which contacts the foamed urethane 50 may be armed at one side of the panel body 10 as molding of the foamed urethane 50 is completed. An assembly 70 is formed, and the other side of the female contact surface 722 and the water contact surface (722) is formed so that the male assembly portion 80 of the shape corresponding to the female assembly portion to be assembled with the female assembly 70 ( It is possible to form 724 respectively.

The panel body 10, which is transported by the second transfer device 600 and is transported in a state in which both sides are sealed to the sealing device 700, is formed of the foam urethane 50 through the temperature maintaining device 800. Satisfy molding temperature.

As shown in FIG. 25, the temperature maintaining apparatus 800 surrounds the second transfer apparatus 600 in a substantially tunnel shape and has a pair of ducts 840 formed at an upper side and a lower side thereof, respectively. It includes a hot air fan 860 for supplying hot wind to the duct 840 of the forming passage 820.

Vent holes 842 are formed on one side of the pair of ducts 840 facing the pair of conveyors 610 of the second transfer device 600.

As shown in FIGS. 1 and 2, opposite the first transfer device 300 of the second transfer device 600, the second transfer device 600, the sealing device 700, and the temperature maintaining device 800 are provided. It is also possible to further install one or more conveyors 900 for moving the urethane panel 2 in which the molding of the foamed urethane 50 is completed within a predetermined distance while passing through the panel body 10.

In the above description of the preferred embodiment of the prefabricated cold storage urethane panel manufacturing apparatus according to the present invention, the present invention is not limited to this, but the claims and the detailed description of the invention, various modifications within the scope of the accompanying drawings It is possible to implement, and this is also within the scope of the present invention.

According to the apparatus for manufacturing a prefabricated low temperature warehouse urethane panel according to the present invention as described above, since the apparatus for manufacturing the urethane panel is installed successively for each manufacturing process, it is advantageous to continuously manufacture a plurality of urethane panels. As a result, mass production of urethane panels is facilitated, so that supply is made smoothly according to demand, and it is also possible to lower the supply cost.

In addition, since the panel body is automatically transferred, preheating and foaming and injection of urethane are completed, productivity is improved and manpower required for production is greatly reduced. Therefore, the manufacturing cost of urethane panel can be lowered and the labor shortage can be eliminated.

In addition, according to the prefabricated low temperature warehouse urethane panel manufacturing apparatus of the present invention, the urethane panel is flat, because the transfer is made while supporting the upper and lower by the conveyor of the second transfer device to maintain a good flatness during the molding of the urethane injected into the panel body. The figure remains good.

In addition, since the position of the mixing head of the injection apparatus can be adjusted according to the size or shape of the panel to be manufactured, accurate injection of the urethane foam is possible, and panels of various widths can be manufactured.

Furthermore, according to the prefabricated low temperature warehouse urethane panel manufacturing apparatus of the present invention, the sealing is made through a sealing device so as not to flow to the outside by the pressure generated during the molding of the foamed urethane, and suitable for molding the foamed urethane through a temperature maintaining device. Since the temperature is formed, it is suitable for mass production of good and uniform quality urethane panels.

Claims (9)

A first transfer device for automatically transferring a panel body configured by assembling a pair of connecting members, respectively, between the front and rear edges of the outer plate and the inner plate by a predetermined distance; A preheating device formed by installing a preheating passage covering part of the longitudinal direction of the first conveying device in a tunnel shape and installing a hot air fan for supplying hot wind to the panel body passing through the preheating passage; An injection device configured to inject foam urethane into the preheated panel body; The second conveying device is made by connecting a pair of conveyors to each other with a cylinder device for vertical space adjustment in a state arranged at a predetermined interval along the vertical direction, and transfers the panel body in which the foamed urethane is injected between the pair of conveyors Wow, A sealing device for sealing between both side edges of the panel body so that the foamed urethane does not leak while the panel body is transported by the second transfer device; Prefabricated cold storage urethane panel manufacturing apparatus comprising a temperature maintaining device for maintaining a temperature suitable for molding the foamed urethane while the panel body is transported by the second transfer device. The method according to claim 1, The injection device is provided on both sides of the first transfer device, a pair of mixing heads for spraying the foamed urethane at a high pressure, a pair of support frames for supporting the pair of mixing heads at a predetermined height, respectively, the pair Prefabricated cold storage urethane panel comprising a pair of forward and backward movement devices for moving the mixing head back and forth to the support frame, and a pair of shandong movement devices for moving the pair of mixing heads up and down respectively to the support frame. Manufacturing equipment. The method according to claim 2, The front and rear movement apparatus includes a cylinder fixedly supported to the support frame, a piston rod installed in the cylinder to move forward and backward and connected to the mixing head, The shank moving device includes a top and bottom guide that is supported by the support frame and is formed with a guide rail, a shandong belt formed with a guide groove assembled to the guide rail of the top and bottom guides, and a screw driver for shangdong the shandong bed. and, The screw drive unit has a male screw formed on the outer circumferential surface thereof and rotatably supports a shanghai pine shaft coupled to a handle at one end thereof to the upper and lower guides, and the female screw hole coupled to the male screw of the shanghai pine shaft and formed with an internal thread on the inner circumferential surface thereof. Prefabricated urethane panel manufacturing apparatus for cold storage made by forming in Shanghai Dongdae. The method according to claim 3, The injection device further includes an auxiliary moving device for manually moving the mixing head back and forth, The auxiliary moving device is installed on the support frame and the front and rear guide bar is formed, the guide rail is assembled to the guide rail formed on the guide rail and the front and rear movable platform is installed in the upper and the movable device, and the front and rear movement Including a screw drive for moving the base back and forth, The screw drive unit is provided with a male screw on the outer circumferential surface and rotatably supports the front and rear transfer shaft coupled with a handle at one end thereof to the support frame, and is coupled to the male screw of the front and rear transfer shaft and has a female thread formed on the inner circumferential surface. A prefabricated urethane panel manufacturing apparatus for low temperature warehouses formed by forming on a stand. The method according to claim 1, The second transfer device is made by connecting a pair of slat conveyors with a plurality of hydraulic cylinders at predetermined intervals, The slat conveyor is a support frame, a pair of rotary shafts respectively installed at both ends of the support frame and a pair of sprocket wheels are coupled at predetermined intervals, a motor for applying rotational force to the rotary shaft, and the pair of sprockets A pair of chains each installed so as to be wound around the wheel and rotated at predetermined intervals, and a pair of chain guides fixed to the support frame to guide movement of the rollers of the chain, and between the pair of chains. A plurality of prefabricated cold storage urethane panel manufacturing apparatus including a board member having a predetermined interval and a pair of support members are installed on each side and a side support rail fixed to the support frame to guide the support member . The method according to claim 1, The sealing device is installed in both front and rear sides of the second transfer device to form a pair of two pairs of sprocket wheels driven by a motor, a pair of chains respectively wound around the two sprocket wheels and rotated, A plurality of sealing blocks connected to the pair of chains and sealing between both side edges of the panel body, a finishing material supplied between the sealing block and both side edges of the panel body and wound in a roll shape, and the finish material is in a roll shape. Prefabricated low-temperature warehouse urethane panel manufacturing apparatus comprising a roll support for rotatably supporting the finish to be naturally released from. The method according to claim 6, As the molding of the foam urethane is completed on the surface of the sealed block in contact with the foam urethane, a female assembly part is formed at one side of the panel body and a female assembly part having a shape corresponding to the female assembly part is formed at the other side. Prefabricated low temperature urethane panel manufacturing device for forming cotton and watertight surfaces respectively. The method according to claim 1, The temperature holding device surrounds the second conveying device in a substantially tunnel shape, and a pair of ducts are formed at upper and lower portions thereof, respectively, and a molding passage in which one side of the pair of ducts facing the conveyor is formed, and the molding passage is formed. Prefabricated low temperature urethane panel manufacturing apparatus including a hot air fan for supplying hot wind to the duct of the passage. The method according to any one of claims 1 to 8, An assembly table for forming the panel body by assembling the connection members between the front and rear edges of the outer and inner plates, and waiting the panel body before transferring the panel body through the first transfer device. Prefabricated low temperature urethane panel manufacturing device further comprises a standby.

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