KR20210078733A - Buoy manufacturing method - Google Patents

Abstract

The present invention relates to a method for manufacturing a buoy, and a buoy manufacturing device including: an unwinding roller; a main body; a guide rod; first and second guide rollers; a winding roller; a pressure roller; and a heating member. More particularly, a buoy manufacturing process is completed only with a guide process of a foam sheet body and a winding process, and thus, compared to existing buoys manufactured with Styrofoam, damage is minimized, and an effect of reducing marine pollution due to broken fragments of the Styrofoam is provided.

Description

Buoy manufacturing method using a buoy manufacturing device

The present invention relates to a method for manufacturing a buoy, and more particularly, a foam sheet body processed in a sheet form is wound in the form of a buoy, and one surface of the foam sheet body is heated in the winding process of the foam sheet body, so that the heated surfaces are fused to each other It relates to a method of manufacturing a buoy using a buoy manufacturing apparatus that is fixed and manufactured as a buoy.

A buoy is a floating body that floats on the surface of the water, and is used to direct the route or warn of dangerous substances in navigation to help the safe navigation of a ship, and to indicate the position of an object in the water such as fishing nets or anchors, and to fix aquaculture nets, etc. used for a variety of purposes.

In order to easily float on the waterside, buoys made of Styrofoam are widely used.

Styrofoam buoys are used by winding binding lines on both sides of a cylindrical shape. Since a lot of force is applied to the bending grooves, if the buoy is used for a long time, it may be damaged by waves, tides, tidal waves, etc., or seawater such as waves due to the styrofoam surface being not smooth. It has the disadvantage of being easily damaged or deformed as the impact is transmitted as it is.

If the buoy is damaged in this way, severe marine pollution is caused by the broken fragments of Styrofoam, and the damaged buoy is difficult to use again. This resulted in economic disadvantages.

As a technology to compensate for these shortcomings, there is Republic of Korea Utility Model No. 20-2019-0002188, and the Republic of Korea Utility Model No. 20-2019-0002188 uses a styrofoam buoy using a vehicle-mounted mobile polyurea coating device. It is a technology that can be changed into an eco-friendly buoy equipped with a protective layer by directly applying polyurea coating at the work site.

The Republic of Korea Public Utility Model No. 20-2019-0002188 can reduce marine pollution by minimizing the damage of Styrofoam, but there has been a disadvantage in that the production equipment cost is excessive, and the practicality is lowered due to the long production period.

Accordingly, the present applicant has applied for Korean Patent Application No. 10-2019-0125216, and the present invention also proposes an improvement of the Korean Patent Application No. 10-2019-0125216.

The present invention has been devised to solve the problems of the prior art as described above, and an object of the present invention is to heat one side of the foam sheet body in the process of winding a foam sheet body made of synthetic resin in the form of a buoy so that the heated surfaces are mutually By fusion fixation, the buoy manufacturing process is completed only by the guiding process and winding process of the foam sheet body, thereby significantly reducing marine pollution and improving productivity compared to the existing buoys made of Styrofoam To provide a buoy manufacturing method using a buoy manufacturing device there is

In order to achieve the above object, the present invention is an unwinding roller; a body spaced apart from the unwinding roller and provided with a plurality of metal pipes or metal bars on the ground in the form of a frame; a guide rod having a pair of rods side by side in an oblique direction on one side of the body; First and second guide rollers in the form of idle rollers on the upper side of the main body; a winding roller formed in the main body in the form of a roller rotated by a power means, and having a fixing groove extending in one direction on an outer diameter thereof; a pressure roller provided next to the winding roller; In the method for manufacturing a buoy using a buoy manufacturing apparatus comprising: a heating member for dissipating heat from the lower portion between the pressure roller and the winding roller, the foam sheet body processed in the form of a sheet is wound on the unwinding roller, and wound on the unwinding roller A first step of inserting and fixing one end of the foam sheet body into the fixing groove of the winding roller in a state in which the foam sheet body is guided to the guide rod and the first and second guide rollers, and when the first step is completed, power means and heating When the winding roller is rotated by operating the member, the foam sheet body wound on the unwinding roller is unwound in the body direction, and the unwound foam sheet body is sequentially guided to the guide rod, the first and second guide rollers and the pressure roller, and guided foaming. The sheet body is wound in the form of a buoy through a winding roller, and the heat emitted from the heating member is transferred to one surface of the foam sheet body wound on the winding roller, a second step in which the foam sheet body is fused layer by layer in the winding process of the winding roller; When the second step is completed, it provides a method for manufacturing a buoy using a buoy manufacturing apparatus, characterized in that it includes a third step of cutting the workpiece wound in the form of a buoy.

In addition, when the third step is completed, the upper layer made of PET film on the outside of the workpiece after removing the cut workpiece from the winding roller, and a lower layer consisting of an aluminum plate having copper or copper deposited on the surface as the lower side of the upper layer. It is characterized in that the fourth step of bonding is included.

According to the present invention as described above, in the process of winding up the foam sheet body unwound by the unwinding roller, the foam sheet body is pressed by the winding roller through the pressure roller in the process of winding up the foam sheet body, and the heating member makes one surface of the foam sheet body As the heated surface is fused and manufactured into a buoy, the buoy manufacturing process is completed only with the guiding process and winding process of the foam sheet body, thus minimizing damage compared to the existing styrofoam buoy, as well as by the broken fragments of Styrofoam. It reduces marine pollution, and the buoy can be manufactured easily by fusion and fixing of the wound foam sheet body without a separate adhesive, thereby increasing work efficiency, improving productivity, and minimizing the defect rate.

In addition, in the fourth step, by attaching a protective layer consisting of an upper layer made of PET film and a lower layer, which is an aluminum plate having copper or copper deposited on the surface, to the outside of the buoy, it minimizes deformation and damage of the buoy to extend the life of the buoy. It works.

1 is a perspective view showing a preferred embodiment of the present invention;
2 and 3 are side views showing a preferred embodiment of the present invention;
4, 5 and 6 are exemplary views showing preferred forms of components for moving the pressure roller and the heating member of the present invention;
7 is an exemplary view showing a preferred form in which the pressing roller of the present invention is moved;
8 is an exemplary view showing a preferred form in which the heating member of the present invention is moved.

Hereinafter, a preferred embodiment of the present invention will be described in more detail based on the accompanying drawings.

Figure 1 is a perspective view showing a preferred form of the present invention, Figures 2, 3 is a side view showing a preferred form of the present invention, the buoy manufacturing apparatus using the buoy manufacturing apparatus according to the present invention as shown in Figs. Unwinding roller (5) together; a main body 10 spaced apart from the unwinding roller 5 and having a plurality of metal pipes or metal bars installed on the ground in the form of a frame; a guide rod 20 in which a pair of rods are provided side by side in an oblique direction on one side of the body 10; First and second guide rollers 30 and 40 in the form of idle rollers toward the upper side of the main body 10; a winding roller 50 formed in the main body 10 in the form of a roller rotated by a power means M, and having a fixing groove 51 extending in one direction to an outer diameter thereof; a pressure roller 60 provided next to the winding roller 50; and a heating member 70 that radiates heat from the lower portion between the pressure roller 60 and the winding roller 50 .

Here, the heating member 70 can be used as long as it has a configuration that radiates heat to the lower portion between the pressure roller 60 and the winding roller 50, but more preferably has a cylindrical pipe shape, so that the heat inside the pipe It is composed of a structure in which a discharge groove is formed in the upper side and heat is discharged to the upper side. When heat is generated inside the pipe, LPG gas is burned inside the pipe to generate heat, and an electric heater is installed inside the pipe. It is provided and can generate heat.

The present invention relates to a method for manufacturing a buoy using the buoy manufacturing apparatus, wherein the first step, the second step, and the third step are sequentially performed.

In the first step, the foam sheet body 1 processed in the form of a sheet is wound on the unwinding roller 5, and the foam sheet body 1 wound on the unwinding roller 5 is wound with the guide rod 20 and the first and second In a state guided by the guide rollers 30 and 40, one end of the foam sheet body 1 is inserted and fixed into the fixing groove 51 of the winding roller 50, and by the rotation of the winding roller 50, the foam sheet body ( 1) is the stage to prepare for winding.

In the second step, when the first step is completed, when the winding roller 50 is rotated by operating the power means M and the heating member 70, the foam sheet body 1 wound on the unwinding roller 5 is the main body ( 10), the foam sheet body 1 unwound in the direction of the main body 10 is sequentially guided to the guide rod 20, the first and second guide rollers 30 and 40, and the pressure roller 60 The guided foam sheet body (1) is wound in the form of a cylindrical buoy through the winding roller (50) while the heat emitted from the heating member (70) is the foam sheet body (1) wound on the winding roller (50). It is a step in which the foam sheet body 1 is fused layer by layer during the winding process of the winding roller 50 by being transferred to one surface.

Here, the power means (M) is set to stop driving after being driven for 30 to 300 seconds, and the heating member 70 is preferably operated to emit heat only when the power means (M) is driven, The sheet wound by rotating the winding roller 50 for 30 to 300 seconds to wind up the foam sheet body 1 according to the specifications of the buoy and stop the operation of the heating member 70 when the power means (M) does not work. To prevent damage to the foam (1) and to block the use of excessive energy due to the operation of the heating member (70).

The third step is a step of cutting the workpiece wound in the form of a buoy when the second step is completed, and may be cut by a skilled worker, or a separate cutting means is installed in the main body 10 in consideration of productivity and cut It is free even if the process is performed.

Therefore, in the process of winding the foam sheet body 1 unwound from the unwinding roller 5 through the first to third steps of the present invention by the winding roller 50, through the pressure roller 60 to the winding roller 50 By pressing the foam sheet body (1) to be wound and heating one surface of the foam sheet body (1) by a heating member (70), the heated surface is fused and manufactured into a buoy, thereby guiding the foam sheet body (1) and The manufacture of the buoy is completed only by the winding process, so damage is minimized compared to the existing buoys produced with Styrofoam, and it reduces marine pollution due to the broken fragments of Styrofoam, and is wound up without a separate adhesive (1) Since the buoy can be easily manufactured by fusion fixing, it has the effect of increasing the efficiency of work, improving productivity, and minimizing the defect rate.

And, when the third step is completed, the cut workpiece is separated from the winding roller 50, and then an upper layer made of PET film on the outside of the cut workpiece, and an aluminum plate having copper or copper deposited on the surface as the lower side of the upper layer. A fourth step of adhering a protective layer made of

Due to the protective layer, the deformation and damage of the buoy are minimized to extend the life of the buoy, and in more detail, the upper layer is provided with the reinforcing power or flexibility of the lower layer made of metal to prevent damage and damage to the lower layer while preventing damage and damage to the surface of the buoy As the lower layer is deposited with copper or copper, the buoy is stably protected by maximizing the strength of the protective layer while blocking or reflecting the direct sunlight and moisture of the direct sunlight more effectively.

Here, it is preferable that the aluminum and copper or copper of the lower layer are deposited in a thickness ratio of 1: 0.3 to 0.8. If it is thinner than the above thickness, it is difficult to exhibit the function of blocking direct sunlight and moisture, and the thickness If it is thicker, not only is it difficult to manufacture, but also the manufacturing cost is excessively required.

On the other hand, the foam sheet body is preferably made by mixing 60 to 65% by weight of a sheet raw material of low density polyethylene or polypropylene, 22 to 27% by weight of a foaming agent, and 10 to 15% by weight of benzophenone.

Due to the high strength and light weight of low-density polyethylene or polypropylene, the sheet raw material is not only easy to process in the form of a buoy due to the winding action of the winding roller 50 and the pressurization of the pressure roller 60, but also impact resistance, flexibility, It is equipped with characteristics such as chemical resistance and water resistance, so it can maintain its function as a buoy even if it floats in the sea for a long time.

The content of the foaming agent is within the above range so that it can be molded into a normal foam sheet due to sufficient foaming, and when the content is exceeded, not only the heat shrinkage resistance but also the mechanical properties are deteriorated due to rapid expansion, which is not preferable.

Benzophenone is a material widely used in sunscreens and discoloration inhibitors, and functions to block ultraviolet rays together with a protective layer.

On the other hand, as shown in Figures 4, 5, 6, 7, 8, the buoy manufacturing apparatus used in the present invention has a support plate 100 for rotatably supporting the pressure roller 60 on both sides of the pressure roller 60. It is provided, and the upper side of the support plate 100 is extended in the horizontal direction, and the extended end is formed of a metal plate bent in the shape of "a" extending downward, and the upper side extending in the horizontal direction is a pressure roller (60) The both ends of the rotatably fixed, the lower side extending in the vertical direction is provided with a moving plate 110 to which the moving body 120 extending in the oblique direction is fastened, and the moving plate 110 is provided on the main body 10. A guide groove 11 in which the horizontally extending upper portion of the moving plate 110 is guided and moved is formed on both sides provided, and a seating portion 13 in which the end side of the moving body 120 is seated is formed, and the On the upper and lower sides of the moving plate 110, when the upper portion of the moving plate 110 is moved to the guide groove 11 of the main body 10, a rolling motion is performed next to the guide groove 11 formed in the main body 10. A first moving roller 130 is provided, and a second moving roller 140 that is seated on the seating portion 13 of the main body 10 and performs a rolling motion is provided, and the pressure roller 60 of the moving plate 110 is provided. ) is provided with a fixing bar 150 in the front to which it is fixed, and a connection connecting the lower portions of the extension bars 160 extending to the lower portions of both sides of the fixing bar 150 and the extension bars 160 extending on both sides of the fixing bar 150 . Each of the bars 170 is provided, and a fixing plate 180 extending to both lower sides of the connecting bar 170 in one direction to be connected to the heating member 70 to fix the heating member 70 is provided, respectively, and the connection bar 170 is provided. The first operation cylinder 190 is connected to the interruption of the bar 170 .

That is, in the second step, when the foam sheet body 1 is wound through the winding roller 50 , the pressure roller 60 and the heating member 70 are wound of the foam sheet body 1 together with the moving plate 110 . It can be moved according to the diameter to perform a pressing action and thermal fusion to the foam sheet body (1).

In addition, the third step is to perform a continuous buoy manufacturing process by moving the pressure roller 60 and the moving plate 110 to the initial position through the first operation cylinder 190 after cutting the workpiece wound in the form of a buoy. make it possible

And, in the buoy manufacturing apparatus used in the present invention, a plurality of through-holes 181 are formed as a fixed plate 180 , and a second operation cylinder 195 is provided under the fixed plate 180 , respectively, and the second The rod of the operation cylinder 195 is configured to pass through the through hole 181 , and has a “U” shape with an upper side open to accommodate the heating member 70 , and a lower surface of the second operation cylinder 195 . ) in contact with the rod end of the second operation cylinder 195 by driving the heating member 70 up and down in the vertical direction is configured to the receiving plate 200, and the receiving plate 200 is the second operation When the cylinder 195 moves up and down in the vertical direction, the rod of the second operation cylinder 195 passes through the through hole 181 that does not penetrate to guide the receiving plate 200, and the upper side is the receiving plate ( 200) is provided with a guide portion 210 in the form of a rod in contact.

So, in the second step, when the foam sheet body 1 is wound through the winding roller 50 , the receiving plate 200 accommodating the heating member 70 is moved by the second operation cylinder 195 .

Therefore, the receiving plate 200 for accommodating the heating member 70 so as to correspond to the foam sheet body 1 that is thickened through the winding process of the foam sheet body 1 is up and down by the second operating cylinder 195 . It is configured to move so that the heating of the heating member is automatically made.

1: foam sheet body 5: unwinding roller
10: body 11: guide groove
13: seating portion 20: guide rod
30: first guide roller 40: second guide roller
50: winding roller 51: fixed groove
60: pressure roller 70: heating member
M: power means
100: support plate 110: moving plate
120: moving body 130: first moving roller
140: second moving roller 150: fixed bar
160: extension bar 170: connecting bar
180: fixed plate 190: first operation cylinder
195: second operation cylinder 200: receiving plate
210: guide unit

Claims (6)

unwinding roller (5); a main body 10 spaced apart from the unwinding roller 5 and having a plurality of metal pipes or metal bars installed on the ground in the form of a frame; a guide rod 20 in which a pair of rods are provided side by side in an oblique direction on one side of the body 10; First and second guide rollers (30, 40) in the form of idle rollers to the upper side of the main body (10); a winding roller 50 formed in the main body 10 in the form of a roller rotated by a power means M, and having a fixing groove 51 extending in one direction to an outer diameter thereof; a pressure roller 60 provided next to the winding roller 50; In the buoy manufacturing method using the buoy manufacturing apparatus consisting of; a heating member 70 that radiates heat to the lower portion between the pressure roller 60 and the winding roller 50,
The foam sheet body 1 processed in the form of a sheet is wound on the unwinding roller 5, and the foam sheet body 1 wound on the unwinding roller 5 is wound on the guide rod 20 and the first and second guide rollers 30 , 40) a first step of inserting and fixing one end of the foam sheet body (1) into the fixing groove (51) of the winding roller (50) in a guided state;
When the first step is completed, when the winding roller 50 is rotated by operating the power means M and the heating member 70, the foam sheet body 1 wound on the unwinding roller 5 is moved in the body 10 direction. The unwound, unwound foam sheet body 1 is sequentially guided to the guide rod 20, the first and second guide rollers 30 and 40 and the pressure roller 60, and the guided foam sheet body 1 is The heat emitted from the heating member 70 while being wound in the form of a cylindrical buoy through the winding roller 50 is transferred to one surface of the foam sheet body 1 wound on the winding roller 50, and the winding roller 50 is wound. A second step in which the foam sheet body 1 is fused layer by layer in the process;
Buoy manufacturing method using a buoy manufacturing apparatus, characterized in that it includes a third step of cutting the workpiece wound in the form of a buoy when the second step is completed. According to claim 1,
When the third step is completed, after detaching the cut workpiece from the winding roller, a protective layer consisting of an upper layer made of PET film on the outside of the workpiece and a lower layer that is an aluminum plate having copper or copper deposited on the surface as the lower side of the upper layer. A buoy manufacturing method using a buoy manufacturing apparatus, characterized in that the fourth step is included. 3. The method of claim 2,
The foam sheet body is a low-density polyethylene or polypropylene sheet raw material of 60 to 65% by weight, 22 to 27% by weight of a foaming agent, a buoy manufacturing method using a buoy manufacturing apparatus, characterized in that made by mixing 10 to 15% by weight of benzophenone. 4. The method of claim 3,
The power means (M) is set to stop driving after being driven for 30 to 300 seconds,
The heating member 70 is a buoy manufacturing method using a buoy manufacturing apparatus, characterized in that it operates to radiate heat only when the power means (M) is driven. 5. The method of claim 4,
A support plate 100 for rotatably supporting the pressure roller 60 is provided on both sides of the pressure roller 60 , and the upper side of the support plate 100 extends in the horizontal direction and the extended end extends downward. It is composed of a metal plate bent in the shape of "a", and the upper side extending in the horizontal direction is rotatably fixed to both ends of the pressure roller 60, and the lower side extending in the vertical direction is the movable body 120 extending in an oblique direction. ) is provided with a moving plate 110 to which is fastened, and the main body 10 has a guide groove 11 in which the horizontally extending upper portion of the moving plate 110 is guided to both sides where the moving plate 110 is provided. ) is formed, and a seating portion 13 on which the end side of the movable body 120 is seated is formed, and the upper portion of the movable plate 110 is positioned on the upper and lower sides of the movable plate 110 to guide the body 10 . When moving in the groove 11, the first moving roller 130 is provided next to the guide groove 11 formed in the main body 10, and is seated on the seating part 13 of the main body 10 to roll. A second moving roller 140 for movement is provided, and a fixed bar 150 is provided in the front to which the pressing roller 60 of the moving plate 110 is fixed, and the fixed bar 150 is moved downwards on both sides of the fixed bar 150 . The extended bar 160 and the connecting bar 170 connecting the lower portions of the extended bar 160 extending on both sides are provided, respectively, and extend in one direction to the lower portions of both sides of the connecting bar 170 to form a heating member A fixing plate 180 for fixing the heating member 70 by being connected to the 70 is provided, respectively, and the first operation cylinder 190 is connected by the interruption of the connection bar 170,
In the second step, when the foam sheet body 1 is wound through the winding roller 50 , the pressure roller 60 and the heating member 70 are the wound diameter of the foam sheet body 1 together with the moving plate 110 . is moved according to the pressing action and thermal fusion to the foam sheet body (1),
The third step is using a buoy manufacturing apparatus, characterized in that after cutting the workpiece wound in the form of a buoy, the pressure roller 60 and the moving plate 110 are moved to the initial position through the first operating cylinder 190. Buoy manufacturing method. 6. The method of claim 5,
A plurality of through-holes 181 are formed in the fixing plate 180 , and a second operation cylinder 195 is provided under the fixing plate 180 , respectively, and the rod of the second operation cylinder 195 is through-holes. It is configured to pass through 181 , and has a “U” shape with an upper side open to accommodate the heating member 70 , and a lower surface is in contact with the rod end of the second operating cylinder 195 to receive the second operating cylinder. The accommodating plate 200 for vertically moving the heating member 70 up and down by the driving of 195 is configured, and the accommodating plate 200 is vertically moved by the second operation cylinder 195 . , the rod of the second operation cylinder 195 to guide the receiving plate 200 when it is moved is penetrated through the through hole 181 that is not penetrated, and the upper side of the rod-shaped guide part is in contact with the receiving plate 200 ( 210) is provided,
In the second step, when the foam sheet body (1) is wound through the winding roller (50), the receiving plate (200) for accommodating the heating member (70) is a buoy characterized in that it is moved by the second operating cylinder (195) A method of manufacturing a buoy using a manufacturing device.

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