KR100645935B1 - Floor sheet for container and its manufacturing apparatus - Google Patents

Abstract

The present invention is achieved by providing a flooring of a container used for cargo transportation by using a cargo transportation means, such as aviation, ships, trucks, etc., which flooring is a hollow plate through a series of extrusion processes An external element that is molded and assembled in connection with the bottom surface of the container, and is integrally filled with replenishment elements through a foaming process using recycled PE in the external element, and adjacent to both sides of the outer element in the longitudinal direction. It is easy to install, and has excellent shock absorbing ability as well as easy installation and durability. It provides a stable, semi-permanent and hygienic flooring material. It is to provide a manufacturing apparatus to manufacture.

Container, Flooring

Description

Floor sheet of container for freight transportation and its manufacturing apparatus

1 is a side view showing a conventional container,

2 is a cross-sectional view showing a state in which the flooring of the present invention is installed by cutting along the line A-A of FIG.

Figure 3a and 3b is an explanatory view showing an embodiment of the flooring of the present invention.

Figure 4a is a side view showing the manufacturing apparatus of the container flooring material for the present invention freight.

Figure 4b is a plan view showing a manufacturing apparatus of the container flooring material for the present invention freight.

Figure 5 is an enlarged cross-sectional view showing the main part showing the manufacturing apparatus of the container flooring material for freight transportation of the present invention.

Explanation of symbols on the main parts of the drawings

10 container 12 wall material

14: flooring

The present invention relates to a flooring of a container used for cargo transportation, that is, the transportation of cargo using air, ships, trucks, etc. In particular, the semi-permanent and sanitary container flooring material and its flooring material manufactured and supplied in a series of mechanical and continuous processes It relates to a manufacturing apparatus.

The container is a steel structure using roughly shaped steel and metal plates, and the outer rigidity is excellent, but there is a problem in that the shock absorption is very poor structurally inside the cargo load. Such containers are equipped with separate interior materials on the inner wall and floor, essentially for internal shock mitigation. Here, the interior materials are divided into wall materials and floor materials.

Such interior materials are mainly used wood, the wall material using the wood of such interior materials did not matter, but in the case of flooring is a problem is somewhat discussed. Specifically, the flooring material is a flat plate made of plywood, etc., and the transportation dispute due to the damage of the cargo is frequently generated due to the low buffering area against the shock of the cargo's own load, the corruption due to the invasion of moisture, and the wood It was not easy to clean and sterilize the flooring material. In addition, the drying operation after washing, as well as a lot of drying time and manual work is required to fall in cleanliness, and the wood flooring has been very vulnerable in terms of hygiene, such as bacteria propagation and transmission of diseases due to invasion.

In addition, there is a demand for a manufacturing apparatus capable of distributing the container flooring considering the durability and hygiene in a series of continuous and mechanical processes at a low price.

The present invention has been made in view of the above circumstances, and an object thereof is to provide a flooring material made of synthetic resin by integrally filling a supplementary element with a foaming process in an external element formed into a hollow flat plate through a series of extrusion processes. To provide a flooring material for a freight transport container with excellent shock absorption and stable cargo transportation and improved durability.

Another object of the present invention is to provide a flooring of a container for freight transportation, which is easy to clean and sterilize, and thus has excellent hygiene.

Still another object of the present invention is to provide a manufacturing apparatus for a container transport material for freight transportation, which can be produced at a low price as well as mass production by continuously and mechanically manufacturing through a series of extrusion and foam molding processes. .

This object of the present invention is achieved by providing a flooring of a container used for cargo transportation by using a cargo transportation means, such as aviation, ships, trucks, etc. This flooring material is a hollow through a series of extrusion process An external element molded into a flat plate and assembled in connection with the bottom surface of the container, and the replenishment element is integrally filled through the foaming process using recycled PE in the external element, and both sides in the longitudinal direction of the external element Equipped with coupling elements adjacent to the sides and female and male, it is easy to install and has excellent durability, as well as shock absorption, providing a semi-permanent flooring with stable cargo transportation and excellent hygiene. It is to provide a manufacturing apparatus for manufacturing by a mechanical process.

Next, an embodiment of the present invention will be described in detail with reference to the drawings. The present invention is to provide a flooring of the container used in the transportation of cargo using a cargo transportation means such as aviation, ships, trucks, etc., that is, flooring used as an interior material to mitigate the load impact of the cargo loaded in the container.

1 and 2 is a side view schematically showing the configuration of a conventional container 10, the container 10 is composed of a steel structure using roughly shaped steel and metal plates. The container 10 configured as described above has excellent rigidity at the outer side, but the shock absorbing structure is very low in the interior in which the cargo is loaded, so that the interior of the container 10 is provided with additional interior materials on the inner wall and the bottom. Here, the interior material is divided into the wall material 12 and the floor material (14).

The present invention provides a flooring material 14 that is laid on the bottom of the container 10 of the interior material, the flooring material 14 is made of a suitable synthetic resin (PE) as the main raw material.

Figure 3a shows in detail the flooring 14 of one embodiment of the present invention. The flooring material for cargo transportation of the present invention is molded into a hollow flat plate through a series of extrusion processes to form an outer element 141 that forms the outer surface of the flooring material 14, and recycled PE in the hollow of the outer element 141 through a foaming process. The replenishment element 142 which is integrally filled, and the coupling element 143 which couples to the both sides of the longitudinal direction of the flooring material 14, and couples male-female.

In addition, the inner wall of the outer element 141 made of a hollow plate body further includes several reinforcing ribs 141a protruding at a predetermined height from the inner wall along the longitudinal direction and installed at equal intervals. In this case, the reinforcing ribs 141a are disposed in such a manner that the upper and lower sides of the inner wall of the outer element 141 are disposed on the same line or shifted from each other.

The reinforcing ribs 141a is a reinforcing structure for preventing the bottom 14 from bending in the longitudinal direction, and the rigidity of the reinforcing ribs 141a may be adjusted to the height of the reinforcing ribs 141a.

In addition, the reinforcing element 142 has a built-in wire mesh reinforcement yarn (144). The reinforcement yarn 144 increases the cohesion of the tissue of the foam replenishment element 142. Here, the reinforcing yarn 144 may use a perforated plate other than the wire mesh type.

On the other hand, the coupling element 143 is composed of a female portion 143a and a male portion 143b that are coupled in a male and female structure corresponding to the sides adjacent to each of the longitudinal sides of the flooring material 14, respectively.

3b shows another embodiment of the flooring 14, which differs from the above embodiment in that the coupling element 143 is used in a modified manner, that is, the coupling element 143 is used as the above embodiment. In contrast to having the female and male portions 143a and 143b mutually corresponding to the sides adjacent to each of the longitudinal side edges of 14), the cross-sectional structure of each side is stepped to form a male and female structure on one side. It has an inverse structure with adjacent sides to form a male and female combination.

Figures 4a and 4b schematically shows the overall configuration of the manufacturing apparatus for manufacturing the flooring of the freight container according to the present invention in a series of mechanical and continuous processes, Figure 4a is a plan view and Figure 4b is a side view.

The manufacturing apparatus according to the present invention is an extruder 100, a foam molding machine 200 which is disposed in parallel to one side adjacent to the extruder 100, and products that are extruded through the extrusion and foam forming machines (100,200) It is composed of a drawer 300 to draw out.

First, the extruder 100 and the foam molding machine 200 will be described, and the extruder 100 extrudes the outer element 141 of the flooring material 14. After the raw material is mixed and melted in the screw case 140 where high heat is generated through the head 160, the external element 141, which is formed in the shape of a hollow plate body in the die 180, is first extruded through the head 160. do.

In addition, the foam molding machine 200 adjacent to one side of the extruder 100 is placed in parallel to feed the raw material (recycled PE) of the powder state through the hopper 220.

The raw material introduced through the hopper 220 is forced to the inside of the head 160 of the extruder 100 by using the head 260 and the connecting pipe 250 after the foaming process in the screw case 240 is generated high heat The pressure is filled to fill the hollow of the outer element 141, which is extruded into a hollow plate-like shape in the die 180, the foam supplementary element 142.

Subsequent to the extruder 100 and the foam molding machine 200, the externally extruded external element 141 and the supplementary elements 142 through the extruder 100 are sized using the sizing 182 as shown in FIG. 5. It will be molded under pressure to complete the flooring product. Here, the sizing 182 is provided with a vacuum means 310 for the suction action by the vacuum pump to uniformly shape the outer surface of the flooring material 14 to be extruded.

In addition, after the cooling unit 400 is installed in the rear of the sizing 182, the extruded molded article (floor material) formed by passing through the sizing 182 is completed at high temperature and uncured non-molded article, that is, before hardening. It is equipped with a cooling means (400) to make the hardening process forced and rapid by water-cooling on the unmolded product extruded from the sizing 182.

On the other hand, the rear sizing 182 is provided with a pull-out means 300 of the roll method driven by a separate drive motor to continuously withdraw the finished product.

The flooring of the synthetic resin of the present invention is excellent in shock absorption and rigidity, thereby stably transporting to a destination without damage to cargo, preventing transportation accidents, and enhancing the reliability of the carrier.

In addition, the present invention is easy to wash and sterilize, and therefore, it is excellent in hygiene by actively coping with the transmission of bacteria and diseases.

In addition, the present invention can be used semi-permanently as a flooring of a synthetic resin having excellent durability, there is also an economic advantage.

And the present invention by producing a series of mechanical and continuous manufacturing process using the manufacturing apparatus, there is an economic effect that can be mass-produced and distributed at a low price.

As described above, an embodiment of the present invention has been described, but the present invention is not limited thereto and may be changed within the scope of the claims.

Claims (5)

As a flooring material of a container used for the transportation of cargo using cargo transportation such as air, ship, wagon, etc., An external element which is formed into a hollow flat plate through a series of extrusion processes and is assembled and installed in association with an adjacent surface of the bottom of the container; Replenishment element is filled in the foaming process using the recycled PE in the hollow of the outer element; And Flooring material for a freight transport container characterized in that it is provided with a coupling element that is coupled to both sides of the outer side in the longitudinal direction of the outer element. The method of claim 1, And a plurality of reinforcing ribs installed at equal intervals along the longitudinal direction on an inner wall of the outer element formed in the hollow plate body. The method of claim 1, The coupling element is a flooring material of a container for freight transportation consisting of a female part and a male part coupled to the female and male structure corresponding to each of the sides adjacent to each of the longitudinal sides of the outer element. The method of claim 1, Flooring material for a freight transport container further comprises a reinforcing wire mesh type reinforcement for the reinforcement element. As a flooring material used for transporting cargo using cargo transportation means such as aviation, ships, wagons, etc., it is a flooring manufacturing apparatus for a container in which an outer element formed in a hollow flat plate shape and a foam supplementary element are filled in the hollow of the outer element. , An extruder which mixes and melts the powdered raw materials introduced through the hopper through a screw case generating high heat and then extruding them to the head; Adjacent to one side of the extruder is arranged in parallel, the raw material in the form of powder injected through the hopper is foamed in a screw cage that generates a high heat and then the foaming supplementary elements are fed into the head of the extruder through the head and the connecting pipe Foam molding machine; A die for receiving the raw material from the head of the extruder to mold the outer element having the hollow flat plate shape and receiving the foamable supplemental element from the foam molding machine and filling the hollow of the outer element; A sizing that is installed in the die and pressurizes the external element and the supplementary element that are extruded from the die and pressurizes; And And a cooling means installed in the rear of the sizing and cooling means for hardening the extruded molding to be molded while passing through the sizing in a water-cooled manner.

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