KR20120001578A - Board maunfacturing method - Google Patents

Abstract

PURPOSE: A producing method of a board plate is provided to secure the quality of the board plate by using a primer spreading process, and to easily manage the quality of the board plate. CONSTITUTION: A producing method of a board plate comprises the following steps: inserting a board material into a feeder in the speed of 20-25M per minute(S1); surface polishing of the board material using a sanding machine, and removing foreign materials from the board material(S2); forming a primer layer on the surface of the board material using a mixture of a urethane acrylate oligomer, 2-hydroxypropyl acrylate, acetone, talc, and hydroxy cyclohexyl phenyl ketone into the thickness of 100-120 micrometers(S3); drying the board material at 60-70 deg C using a lamp(S4); forming a UV coating layer on the surface of the dried prime layer, and drying the UV coating layer using a UV lamp at 60-70 deg C(S5,S6); and attaching a transparent resin tape on the UV coating layer before packing the obtained product(S7,S8).

Description

Board maunfacturing method

The present invention relates to a method for manufacturing a board board, and more particularly, through the primer coating process in the manufacture of board boards used for building interior materials and furniture, it is possible to produce a high quality product and constant quality control and small quantity production and reduce production costs. Of course, the present invention relates to a board manufacturing method that can increase productivity.

In the present invention, the board is mainly made of low pressure melamine (LPM), medium density fiber board (MDF), and particle board (PB) as materials for building interior materials and furniture.

In order to manufacture the conventional board board, it is difficult to produce the finished product in one manufacturing process line, and the manufacturing process is required by outsourcing the undercoat process separately during the manufacturing process. The reason for the undercoating process is to apply urethane coating to the undercoat process. As a result, the production process was long, and it was difficult to manufacture the finished product in one production process line.

For this reason, the undercoat process needs to be outsourced, and in this case, it is difficult to produce high quality products and have difficulty in controlling quality.

In addition, there were problems such as difficulty in producing small quantities of many varieties, high production costs, and low productivity.

Therefore, the present invention for solving the above problems is to make a high quality product and constant quality control and small quantity production and to reduce the production cost through the primer coating process in the manufacture of board boards used for building interior materials and furniture, etc. Of course, to provide a method for manufacturing a board that can increase the productivity.

The first embodiment of the present invention for achieving the above object is a method for producing a board plate and the step of feeding the board material mainly made of wood into the feeder at a speed of 20 ~ 25M per minute;

A sanding step of performing surface polishing on the board material supplied from the feeding step by a sanding machine and removing dirt and the like;

25 to 40% by weight of urethane acrylate oligomer, 15 to 30% by weight of 2-hydroxypropyl acrylate, acetone on the surface of the board material supplied through the sanding step ) 20% to 25M per minute with a thickness of 100 to 120㎛ mixed with 1 to 10% by weight, 15 to 30% by weight of talc and 1 to 5% by weight of hydroxy cyclohexyl phenyl ketone Applying a primer to form a primer layer at a speed of;

The board material supplied from the primer coating step is a drying step of drying the primer layer applied at a rate of 20 ~ 25M per minute at a temperature of 60 ~ 70 ℃ by a lamp;

A curtain line step of forming a UV coating layer on a surface of the dried primer layer of the board material supplied from the drying step at a speed of 20-25 M / min at a thickness of 100-120 μm;

A UV drying step of drying the UV coating layer at a speed of 20-25 M / min at a temperature of 60-70 ° C. by a UV lamp to the board material supplied from the curtain line step. ;

A protective tape bonding step of adhering a transparent resin tape having a thickness of 0.05 to 0.1 mm on the dried UV coating layer of the board material supplied from the UV drying step;

It consists of a packaging step of packaging the finished product supplied from the protective tape adhesive step.

As a second embodiment of the present invention for achieving the above object, the primer coating device in the primer coating step in the board manufacturing method is configured before and after the bed body and transfers the board material while rotating by the driving force and the primer layer on the surface. Primary and secondary roller means for forming a coating;

Primer liquid supply means configured on the side of the bed body and supplying a primer component to the primary roller means by a pump and a suction and discharge pipe;

Primer liquid recovery means installed at both sides of the primary and secondary roller means and supplied to the primary and secondary roller means to recover the remaining primer liquid applied to the board material;

Distribution and coating amount adjusting means for distributing and supplying the primer liquid installed on the primary roller means by a pressing roller and adjusting the coating amount;

Primer liquid finishing coating means installed on the secondary roller means and finishing the primer liquid evenly applied on the surface of the board material;

It is composed of the primary and secondary roller means is composed of adjusting means for adjusting the interval of each of the first upper roller, the lower roller and the second upper roller, the lower roller.

According to the present invention, first, the manufacturing method of the board board of the present invention can be made of high quality board board products by making it through a primer coating process in the manufacture of board boards used for building interior materials and furniture, etc. This would be possible. And it can also drastically reduce production costs and maximize productivity.

Second, since the primer coating device of the present invention is completed by only one undercoating on the surface of the board material, it is possible to manufacture the board board in one process line without separate outsourcing, so as to produce high-quality products, constant quality control, and small quantity of various varieties. It is possible to produce, reduce production costs and increase productivity.

1 is an overall process diagram of the "board board manufacturing method" according to the present invention.
Figure 2 is a perspective view showing the overall configuration of "primary board for primer coating apparatus" according to the present invention.
Figure 3 is a partially enlarged perspective view of one side in the "primary board for primer coating apparatus" according to the present invention.
Figure 4 is a partially enlarged perspective view of the other side in the "primary board for primer coating apparatus" according to the present invention.
5 is a front view of the "primary board for primer coating apparatus" according to the present invention.
6 is a plan view of the "primary board for primer coating apparatus" according to the present invention.
7 is a rear view of the "primary board for primer coating apparatus" according to the present invention.
Figure 8 is an operational state diagram showing the main parts of the "primary and secondary roller means" in the "board plate primer coating apparatus" according to the present invention.
Figure 9 is an excerpt perspective view of "primer liquid supply means" in the "applicator for primer coating board" according to the present invention.
Figure 10 is a perspective view of the "primer liquid recovery means" in the "board primer coating apparatus" according to the present invention.
Figure 11 is an excerpt perspective view of the "distribution and coating amount adjusting means" in the "applicator for primer coating board" according to the present invention.
12 is a perspective view of the "adjustment means" in the "primary board for primer coating apparatus" according to the present invention.

Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings, FIGS. 1 to 12.

The terms defined in describing the present invention have been defined in consideration of the functions of the present invention and should not be construed to limit the technical elements of the present invention.

First, an embodiment of the board manufacturing method as a first embodiment of the present invention will be described with reference to FIG.

The first step-the feeding step (S1) is a board material consisting mainly of wood (board) material is introduced into the feeder at a speed of 20 ~ 25M per minute.

In the second step-sanding step (S2), the board material supplied from the feeding step is subjected to surface polishing by a sanding machine equipped with sand paper to remove dirt and the like.

By the sanding operation as described above to improve the application of the primer solution to the next step to form an excellent primer layer.

Third step-primer coating step (S3) to the surface of the board material supplied via the sanding step (urethane acrylate oligomer), 2-hydroxypropyl acrylate (2-hydroxypropyl acrylate), acetone ( Primer components mixed with acetone, talc and hydroxy cyclohexyl phenyl ketone are formed at a rate of 20-25 M / min at a thickness of 100-120 μm.

Urethane acrylate oligomer constituting the primer liquid component (urethane acrylate oligomer) is 25 to 40% by weight, 2-hydroxypropyl acrylate (2-hydroxypropyl acrylate) is 15 to 30% by weight, acetone (acetone) 1 to 10% by weight, talc is 15 to 30% by weight, hydroxy cyclohexyl phenyl ketone (hydroxy cyclohexyl phenyl ketone) is preferably mixed at 1 to 5% by weight, the primer solution component formed by mixing as described above is viscous It consists of a liquid and is made of opaque white.

As described above, forming a primer layer by applying a primer solution to the surface of the board material is also referred to as a undercoat process.

The board material supplied from the primer applying step as the fourth step-drying step (S4) is dried at a rate of 20-25M per minute by a lamp at a temperature of 60 ~ 70 ℃.

The fifth step-curtain line step (S5) to form a UV (UV) coating layer on the surface of the dried primer layer of the board material supplied from the drying step at a rate of 20 ~ 25M per minute with a thickness of 100 ~ 120㎛ do.

As described above, forming a UV coating layer on the primer layer of the board material is also called a top coat process.

Step 6- UV drying step (S6) the board material supplied from the curtain line step at a temperature of 60 ~ 70 ℃ per minute by UV lamp (UV) at a speed of 20-25M per minute (UV: ultraviolet) to dry the coating layer.

In other words, the UV material coated with UV coating layer is passed through the UV lamp [200MJ (Mili Joule) / cm2 ~ 800MJ (Mili Joule) / ㎠] at a speed of 20 ~ 25M per minute (UV: ultraviolet) The coating layer is dried.

Step 7-Bonding the protective tape (S7) by pressing a transparent resin tape having a thickness of 0.05 to 0.1 mm on the dried UV coating layer of the board material supplied from the UV drying step. Complete the board.

By adhering the transparent resin tape to protect the surface of the finished board board from coarsening or contamination of foreign matter.

As an eighth step-packing step (S8), the finished product supplied from the protective tape bonding step is packed and shipped.

As described above, the method for manufacturing boards of the present invention enables the manufacture of high quality board board products by allowing the production of board boards used for building interior materials and furniture to be made through a primer coating process, and is capable of producing a small quantity of various kinds of products. . And it can also drastically reduce production costs and maximize productivity.

Next, an embodiment of the primer coating device in the primer coating step in the board manufacturing method as a second embodiment of the present invention will be described with reference to FIGS.

2 to 7 primary and secondary roller means (A) which are configured before and after the bed body (1) and rotated by a driving force to transfer the board material (a) and to coat and form a primer layer on the surface (A). ) (A1);

Primer liquid supply means (B) which is provided on the side of the bed body (1) and supplies the primer liquid to the primary roller means (A) by a pump (2) and a suction pipe (3) and a discharge pipe (4);

Primer installed on both sides of the primary and secondary roller means (A) (A1) and supplied to the primary and secondary roller means (A) (A1) to recover the remaining primer liquid applied to the board material Liquid recovery means (C);

Distribution and coating amount adjusting means (D) for distributing and controlling the coating amount of the primer solution installed and provided to the primary roller means (A) by the pressing roller (5);

Primer liquid finishing coating means (E) is installed on the secondary roller means (A1) and finishes so that the primer liquid applied to the surface of the board material is evenly applied;

The first and second roller means (A) (A1) are configured in the first and second roller means (A) (A1), the first upper and lower rollers (6) (7) and the second upper and lower sides It consists of adjusting means (F) for adjusting the interval of each of the rollers (8) (9).

The primer solution may be a urethane acrylate oligomer, 2-hydroxypropyl acrylate, acetone, talc, and hydroxy cyclohexyl phenyl ketone. It consists of a mixture of viscous liquids and opaque white.

Referring to the primary and secondary roller means (A) (A1), as shown in Figures 2, 4, 7 and 8, the primary roller means (A) is up and down the first upper roller (6) And the first lower roller 7 and the first upper roller 6 is rotated by a first drive motor 11 (see FIGS. 2, 4 and 7) having a reduction gear 10, The secondary roller means (A1) is configured in front of the primary roller means (A) is composed of a second upper roller (8) and a second lower roller (9) up and down and the second upper roller (8) ) Is rotated by a second drive motor 13 (see FIGS. 2, 4 and 7) having a reduction gear 12.

The first lower roller 7 and the second lower roller 9 respectively build up the rotary gears 14 and 15 by the roller shaft as shown in FIG. 7 and between the rotary gears 14 and 15 on both sides. The idle gear 16 is interlocked with the idle gear 16, and the idle gear 16 is coupled to the reduction gear 18 coupled to the fourth driving motor 17.

The primary and secondary roller means (A) (A1) as described above transfers the board material to the front by the driving force of the first upper roller 6 and the first lower roller (7) which is the primary roller means (A). At the same time, the primer solution supplied from the primer solution supply means (B) is applied to the surface of the board material (a).

In other words, the first primer roller 6 is evenly distributed on the surface of the board material.

The board material to which the primer solution is first applied is transferred to the secondary roller means A1 at the front side, and the secondary roller means A1 is attached to the second upper roller 8 by the brush plate 19 on the second upper side. By scraping the primer liquid evenly on the roller 8, the primer liquid is secondarily applied to the entire surface of the second upper roller 8 in the same thickness layer, and thus the primer liquid is evenly applied to the surface of the board material. .

The primer solution supply means (B) is provided with a pump (2) having a suction pipe (3) and a discharge pipe (4) on the side of the bed body (1) as shown in Figs. 3, 5 and 9 and the suction pipe ( 3) is connected to the primer liquid container (3a) and the discharge pipe 4 is coupled to the nozzle (4a) to supply the primer liquid to the primary roller means (A).

The primer solution supply means (B) as described above sucks the primer liquid stored in the primer liquid component container 3a by the driving of the pump 2 into the suction pipe 3, and thus, the first through the nozzle 4a of the discharge pipe 4. It is supplied between the upper roller 6 and the pressing roller 5.

The primer solution recovery means (C) is a recovery solution for recovering the remaining primer solution applied to the board material on both sides of the primary and secondary roller means (A) (A1) as shown in FIGS. Installing the receiving stand 20, 20a and connecting the recovery liquid receiving stand 20, 20a on both sides across the transfer passage 21, so as to have an inclination angle toward the rear collecting liquid receiving stand 20a. A discharge port 22 is formed below the front collection tray 20 in front of the front plate to transfer the recovered primer solution to the recovery container 23.

The distribution and coating amount adjusting means (D) is installed in close contact with the pressing roller (5) on the side of the first upper roller (6) of the primary roller means (A), as shown in Figure 3, 11 and 12, The pressing roller 5 is arranged on both sides of the support rollers 24 and 24a with bearings on the support guides 25 and 25a, and the support guides 25 and 25a are moved forwardly on the support shafts 25 and 25a. (26a) is connected and installed on the movable shaft (26) (26a), rack (27) (27a) and pinion (28) (28a) is installed.

The connecting shaft 29 is connected to and installed between the pinions 28 and 28a on both sides, and one side of the connecting shaft 29 is provided with a handle 30 to rotate the pinion 28 and 28a.

In addition, a third drive motor 32 having a reduction gear 31 is connected to one side of the roller shaft 24a of the compression roller 5 to rotate the compression roller 5. Let's do it.

In other words, if the first upper roller 6 is in close contact with the rotation, the supplied primer liquid is evenly distributed in the lateral direction and dropped on the surface of the board material to be transported from the lower side (see FIG. 8). The amount of drop of the primer liquid is adjusted according to the degree of adhesion between (6) and the pressing roller (5).

The primer liquid finish coating means (E) is installed in contact with the brush plate 19 on the second upper roller 8 of the secondary roller means (A1) as shown in Figure 4, 8 and 12, the brush Plate 19 is fixed to the fixing bracket (19a) and the fixing bracket (19a) is fixed to the support (33, 33a) on both sides.

As described above, the brush plate 19 abuts on the second upper roller 8 and evenly scrapes the primer liquid from the second upper roller 8 to the entire surface of the second upper roller 8 with the same thickness of the primer. The liquid is applied and thus the surface of the board material is evenly applied to finish the primer solution.

The adjusting means (F) is configured in the primary and secondary roller means (A) (A1) as shown in Figures 3 and 12, the first phase of the primary and secondary roller means (A) (A1) By adjusting the distance between the lower rollers 6 and 7 and the second upper and lower rollers 8 and 9, the primary and secondary upper rollers 6 and 8 are built up and supported. The post bars 34 and 35 are installed below the supports 33, 33a and 33-1, 33-1a on both sides, and the racks 36 and 37 are mounted on the post bars 34 and 35. ) And the pinion (38) (39) constitute a coupling between the pinions (38, 39) on both sides of the connecting shaft (40, 41) is laid out and the handle 42 on one side of the connecting shaft (40, 41) 43 is configured to be combined.

Lower racks 36 and 37 and pinions 38 and 39 of the post bars 34 and 35 are arranged in housings 44 and 45 and the housings 44 and 45 are bed bodies. 1) It is mounted on the top.

Adjusting means (F) as described above is the post bar (34) (by pinion 38, 39 and rack 36, 37 connected to the connecting shaft 40, 41 by turning the handle 42, 43) ( 35 is lifted and in this case, the first and second upper rollers 6 and 8 constituted by the supports 33, 33a, 33-1 and 33-1a are lifted to the first and second lower sides. The spacing between the rollers 7 and 9 can be adjusted to smoothly work on various thicknesses of the board material.

In the present invention as described above, the board material supplied by the sanding treatment on the surface as described in detail above is applied to the surface of the primer while the front and secondary roller means (A) (A1) is transferred to the front and primer The board material coated with the liquid is transferred to a drying chamber (d) for drying.

Then, the primer solution is supplied between the first upper roller 6 and the pressing roller 5, which is a distribution and coating amount adjusting means (D), to the primer solution supply means (B) for the application of the primer solution on the surface of the board material. The remaining primer solution applied to the board material is recovered and recycled by the primer solution recovery means (C).

In addition, the primer solution is applied to the surface of the board material by the primer liquid finishing coating means (E) to finish evenly, and the first means, the lower rollers (6) (7) and the second upper and lower parts by the adjusting means (F). By adjusting the distance between the rollers (8) and (9) it is possible to smoothly apply (primer liquid coating) to the board material of various thicknesses.

Since the primer coating device of the present invention as described above is completed by only one undercoating on the surface of the board material, it is possible to manufacture the board board in one process line without a separate outsourcing, so as to produce high-quality products, constant quality control, and small quantity of various varieties. It is possible to produce, reduce production costs and increase productivity.

S1: input step S2: sanding step
S3: primer application step S4: drying step
S5: Curtain line stage S6: UV drying stage
S7: Protective tape bonding step S8: Packing step
A, A1: primary and secondary roller means B: primer liquid supply means
C: primer liquid recovery means D: distribution and coating amount adjusting means
E: primer liquid finish coating means F: adjusting means
1: bed body 2: pump
3: suction line 4: discharge line
5: pressing roller 6: first upper roller
7: 1st lower roller 8: 2nd upper roller
9: second lower roller 10: reduction gear
11: first drive motor 12: reduction gear
13: 2nd drive motor 14, 15: rotary gear
16: idle gear 17: 4th drive motor
18: reduction gear 19: brush plate
19a: Fixed bracket 20,20a: Recovering tray
21: transfer passage 22: outlet
23: recovery container 24, 24a: roller shaft
25, 25a: support guider 26, 26a: moving shaft
27,27a: rack 28,28a: pinion
29: connecting shaft 30: handle
31: reduction gear 32: third drive motor
33,33a, 33-1,33-1a: support 34,35: post bar
36,37: rack 38,39: pinion
40, 41: connecting shaft 42, 43: handle
44,45: housing

Claims (1)

An input step (S1) of inserting the board material into the feeder at a speed of 20 to 25M per minute;
A sanding step (S2) of performing surface polishing on a board material supplied from the feeding step by a sanding machine and removing dirt and the like;
Urethane acrylate oligomer, 2-hydroxypropyl acrylate, acetone, talc, hydroxy cyclo on the surface of the board material supplied through the sanding step A primer application step (S3) of forming a primer layer at a rate of 20-25 M / min with a thickness of 100-120 µm mixed with hexyl phenyl ketone (hydroxy cyclohexyl phenyl ketone);
The board material supplied from the primer application step is a drying step (S4) of drying the primer layer applied at a rate of 20 ~ 25M per minute at a temperature of 60 ~ 70 ℃ by a lamp;
Curtain line step (S5) to form a UV (UV) coating layer on the dried primer layer surface of the board material supplied from the drying step at a rate of 20 ~ 25M per minute with a thickness of 100 ~ 120㎛;
UV drying step of drying the UV (UV) coating layer at a rate of 20 ~ 25M per minute at a temperature of 60 ~ 70 ℃ by a UV lamp to the board material supplied from the curtain line step (UV) S6);
A protective tape adhering step (S7) for adhering the transparent resin tape having a thickness of 0.05 to 0.1 mm on the dried UV coating layer of the board material supplied from the UV drying step;
Board board manufacturing method characterized in that consisting of a packaging step (S8) for packaging the finished product supplied from the protective tape bonding step.

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