KR20010000546A - Manufacturing Technique of Aquatic products box - Google Patents

Abstract

PURPOSE: A method for preparing the case for marine products is provided, by using waste fiber and waste synthetic resin, to improve the heat resistance and the waterproof property. CONSTITUTION: The method comprises the steps of mixing waste fiber, waste plastic powder and palm fiber in a mixing tank(5) with laminating the fiber component uniformly; delivering the laminated mixture to a fine opener(6) where the thickness of the laminated mixture is made to be constant; delivering it to a random carding machine(7) where it is cut into products with regular width and thickness; delivering it to a needle punching(8) where it is hardened; delivering it to a dry room(9) where powder is sprayed on the surface to adhere materials to materials each other; preheating it at 160-180 deg.C by using hot wind; and hot pressing it at 220-250 deg.C in a roll press(10) to prepare plates which is used for making the case for marine products.

Description

Manufacturing method of aquatic product box made from waste fiber and waste synthetic resins {Manufacturing Technique of Aquatic products box}

The present invention relates to a method for producing a marine product box by recycling waste fibers and waste plastics to produce plywood having high heat resistance and water resistance, and using the plywood as raw materials.

The prior art using waste synthetic fibers was introduced by Korean Patent Application No. 91-7508 (1991.5.9) and then introduced in detail in Korean Patent Application No. 93-6508 (1993.4.7) to compensate for its shortcomings.

The difference between these prior arts is that the former uses the skin layer of plywood as waste fiber, and the latter uses the waste synthetic resin to obtain the plate in a separate process and then presses it with a press of about 300 ℃ ~ 350 ℃. To make plywood.

These plywoods have different characteristics and are the same in terms of recycling waste fibers and waste plastics, but there is a serious problem in the secondary processing of the plate (a product having a depth such as a marine product box, not a plate).

1) There is no continuity because the manufacture of waste fiber (middle layer) and the manufacture of waste plastic (epidermal layer) are separated.

2) When joining the intermediate layer and the skin layer, the process of joining and compressing 1 ~ 1.5mm of waste plastic sheet material to the upper and lower parts of the intermediate layer and transferring it to the press is a factor of cost increase.

3) Since the bonding process between the intermediate layer (waste fiber) and the epidermal layer (waste plastic) is made of epoxy, heat and pressure, there is a lot of separation.

The present invention complements the disadvantages of the prior art, and makes a difference in simplifying the manufacturing process of plywood and strengthening physical properties of the plywood.

In order to solve the problems described above, the present invention is made of a fiber made while mixing the secondary plastic waste plastic (PE) powder, palm fibers, etc. in the mixing tank 5 in the production line of the waste fiber with a spike clutch conveyor driven back and forth. A uniform and uniform lamination was made, and the plate was manufactured by heating and pressing in a roll press 10 and using the raw material as a raw material and compressing it with a press 13 while heating (220 ° C. to 250 ° C.). There is a characteristic of producing a good agricultural, aquatic product with the characteristics.

Process diagram for obtaining recycled plastic sheeting material of the present invention

<Explanation of symbols for main parts of drawing>

(1) Remove foreign substances from waste fiber (2) Cutting machine 1 (3) Screening machine (4) Hood Doc

(5) Mixing tanks (6) Openers (7) Selectors (8) Needle punching

(9) Dry Room1 (10) Roll Press (11) Cutter2 (12) Cabinet

(13) Dry Room2 (14) Press

Hereinafter, described in detail by the accompanying drawings as follows.

As a process chart for obtaining recycled plastic sheet of the present invention, after removing foreign matters from waste fiber (1), it is transferred to cutter # 1 (2), cut to a length of 10 cm, and then transferred to the other surface machine (3) to obtain the pulverized raw material from the cutter. After dividing into 1, 2, 3, 4, improve the tensile strength of the raw material and transfer to the mixing tank (5) through the hood duct (4) to drive the front and back waste plastic (PE) powder, palm fiber, etc. While mixing with Spikelas conveyor, it makes uniform and uniform lamination of fiber and transfers it to the opening machine (6) to make the thickness of the feeding surface constant and supply it to the selection machine (7) to form the width and thickness, then needle punching (8) Spreading, hardening, and binding the raw materials and raw materials by sprinkling sprayed powder on the web formed in the dry room # 1 (9), and preheating with hot air (160 ℃ ~ 180) ℃ and roll press 10 After sending, heat and compress it (220 ℃ ~ 250 ℃) and compress it (from 40mm in thickness to 10mm in thickness). After cooling, it is cut with cutter # 2 (11) and cut into plywood or press box of seafood box. I keep it in)

Plywood obtained here is first preheated in dry room # 2 (13), and then compressed by heating (220 ℃ ~ 250 ℃) with press 14, which has good standard, strength and adhesiveness. You can get

As described above, the present invention contributes to the logistics management of the fisheries industry by supplying low-cost, high-quality marine product boxes by increasing the economic value by manufacturing recycled boards in a unified process using waste fibers, and also providing aquatic products. The quality of the box is improved.

Claims (2)

The waste fiber is mixed with the waste plastic (PE) powder and palm fiber, which are mixed in the mixing tank (5), to form a spherical clutch which is driven back and forth to achieve uniform and uniform lamination of the fiber. The web formed in the dry room 9 in the state of hardening and binding after feeding to the needle punching machine 8 after forming the width and thickness by supplying to the selector 7 while making the thickness of the feeding surface constant by feeding to Spread the powder sprayed on) to bond the raw material to the raw material, and also preheat it with hot air (160 ℃ ~ 180 ℃, transfer it to the roll press 10, compress it while heating (220 ℃ ~ 250 ℃) and press it. Method of obtaining. A method of manufacturing a marine product box using the plate material characterized in that.