JPS5935779B2 - Decorative board manufacturing method - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to the manufacturing method of nine decorative boards, and more specifically, the present invention relates to a method for manufacturing nine decorative boards. A base material 3 is formed, an adhesive 4 is applied to the groove portion 2, the side surface and the surface of the grooved base material 3, and an annular groove 6 is formed at a position corresponding to the groove portion 2 of the grooved base material 3 while having a suction hole 5. The top sheet 8 is suctioned with the provided suction roll 7, and the top sheet 8 is adhered to the grooved base material 3 while being brought into close contact with the suction roll T. Next, the top sheet 8 is bent and the top sheet 8 is bent onto the grooved base material 3 with a roll 9. A method for producing a decorative laminate, which is characterized in that the decorative laminate is pasted by bending and pressing at the grooves 2 and side positions, and then cutting from the back side of the grooved base material 3 along the grooves 2 to obtain a narrow decorative laminate. This is related to.

Conventionally, as a decorative board in which a grooved base material 3 is decorated, as shown in FIG. 1, one in which a top sheet 8 is wrapped around the grooved base material 3 and adhered with an adhesive or the like is known.

However, this decorative board has the disadvantage that gaps are formed between the corners 10 of the grooves 2 of the grooved base material 3 and the topsheet 8, resulting in poor adhesion, and the topsheet 8 tends to peel off. There was a drawback that the work of adhering the topsheet 8 to the grooved base material 3 had to be carried out one by one. The present invention has been made in view of the above points, and its purpose is to provide good adhesion between the top sheet and the corner portions of the grooved base material, and to firmly bond the top sheet to the grooved base material. To provide a method for manufacturing a decorative laminate, which can be integrated into a decorative laminate to prevent it from peeling off, and can extremely easily attach a topsheet to a large number of laminates at once.

The present invention will be described below with reference to embodiments shown in the figures.

In the present invention, first, the surface of a wide base material 1 is grooved to form a grooved base material 3 as shown in FIG. 2.

As the base material 1, for example, plywood, hardboard, particle board, etc. are suitably used. The grooving process is performed, for example, using a grooving apparatus A shown in FIG. In FIG. 3, 11 is a gang saw equipped with a single-axis Kanza method, 12 is a presser roll for pressing the base material 1, a flap 13 is a guide on one side, and 14 is a gang saw that holds the transported base material 1 on one side. This is a diagonal roll for moving it toward the guide 13. With this device, grooves 2 can be provided at regular intervals on a wide base material 1 at one time. Adhesive 4 is applied to the groove portion 2, side surfaces and surface 5 of the grooved base material 3 that has been subjected to the groove processing.

As the adhesive 4, for example, a vinyl acetate resin type, an ethylene-vinyl acetate copolymer resin type, a vinyl acetate-acrylic copolymer resin type is suitable, and an emulsion type adhesive is preferable (-o grooved group). The adhesive 4 is applied to the grooved base material 3 by first applying it to the grooves 2 and side surfaces of the grooved base material 3 using a spray gun 15 as shown in FIGS. 4 and 5. The grooved base material 3 can be obtained by coating the surface with the adhesive 4 as shown in FIG. 6 by applying the adhesive 4 as shown in FIG. In B, 1
6 is a guide for aligning the end faces of the grooved base material 3; IT is an oblique roll for bringing the grooved base material 3 toward the guide side;
5 is a spray gun provided at a position corresponding to the groove 2 and the side surface position of the grooved base material 3, and 18 is a spray gun where the adhesive 4 is sprayed onto the side surface of the grooved base material 3, and the adhesive 4 wraps around the back surface. This is a back-turn prevention plate to prevent this. The topsheet 3 is attached to the grooved base material 3 coated with the adhesive 4 as described above while being suctioned with a suction roll T. As the topsheet 8, for example, paper, a thermoplastic resin sheet, etc. are suitably used. .

As shown in FIG. 8, the suction roll T is provided with a large number of suction holes 5 for suction, and an annular groove 6 is provided at a position corresponding to the groove part 2 of the grooved base material 3. Lamination number L of the top sheet 8 onto the grooved base material 3 While feeding out the grooved base material 3 using the base material feeding device D as shown in FIG. Press it against the surface of the attached base material 3,
Furthermore, this is carried out by pressing between press rolls 19 of a laminator E as shown in FIG. In the base material feeding device D shown in FIG. 9, 20 is a guide on one side, 21 is an oblique roll for moving the grooved base material 3 toward the one side guide 20, and 22
is a suction belt that can convey the grooved base material 3 while sucking it downward. When the topsheet 8 is bonded to the grooved base material 3 while being suctioned by the suction roll T, the portion of the topsheet 8 that has been sucked into the annular groove 6 of the suction roll T sag upward as shown in FIG. Become. After attaching the top sheet 8 to the grooved base material 3 in a slack state above the groove 2, bend the top sheet 8 with a roll 9 as shown in FIG. Fold it in place and press it to paste. This step may be carried out using a bending and pasting device F as shown in FIG. In FIG. 13, reference numeral 9 denotes a bending roll made of rubber sponge, which performs the bending work while being conveyed by a caterpillar 23. Before bending with the bending rolls 9, the topsheet 8 is slackened above the grooves 2 of the grooved base material 3 as shown in FIG. Moreover, since the bending roll 9 enters into the groove 2 and presses the surface sheet 8 against the corner 10 of the groove 2, there is no chance of adhesion failure at the corner 10 of the groove 2. It is something.
After adhering the top sheet 8 to the grooved base material 2, the grooved base material 3 is cut from the back surface along the grooves 2 to obtain a narrow decorative board.
If this cutting is performed using a gigantic saw 24 as shown in FIG. 14a, a large number of decorative boards having male seeds 25 and female seeds 26 will be obtained. In the method for manufacturing a decorative board of the present invention, as described above, a grooved base material having a plurality of grooves is formed by performing groove processing on the surface of a wide base material, and the grooves of the grooved base material, Adhesive is applied to the side and surface, and the topsheet is suctioned with a suction roll that has suction holes and annular grooves at positions corresponding to the grooves of the grooved base material, and the topsheet is placed along the suction roll to adhere tightly. The grooved base material is bonded to the grooved base material while the surface sheet is attached to the grooved base material, so that a grooved base material with multiple grooves applied to the base material at once can be obtained.Also, the top sheet is attached to the grooved base material with the top sheet slackened above the grooves. Furthermore, since the top sheet is slackened above the groove of the grooved base material, when pressing the top sheet into the groove with the bending roll, the bending roll can be easily inserted into the groove and the groove can be pressed. The top sheet can be attached to the corners of the grooved base material, and the top sheet and the corners of the grooved base material can be bonded well, and the top sheet is firmly adhered to the grooved base material and does not peel off. It can be made difficult.

In addition, a grooved base material with multiple grooves is formed on a wide base material, a top sheet is attached to this, and the grooved base material is bent and pressed using a bending roll at the grooves and side positions. After affixing the grooved base material, it is cut from the back side of the grooved base material along the groove to obtain a narrow decorative board. It has the advantage that the cutting process can be performed at one time, and that narrow decorative boards can be easily produced in batches and automatically. Next, the present invention will be explained with reference to manufacturing examples.

Manufacturing example 1 Width 241 depth 4n at equal intervals on 4' x 8' x 8n thick plywood
A grooved plywood with 8 grooves was prepared, and then a vinyl acetate adhesive was applied to the grooves and side surfaces of the base material using an airless spray gun.

Next, a vinyl acetate adhesive was applied to only the surface of the substrate except for the grooves of the substrate using a roll coater for 7 y/2, and after drying, a pattern sheet with a pine pattern printed on a 50 μm thick PVC sheet was laminated. At this time, just before laminating the sheets, the sheets were given slack using a suction roll with grooves that matched the grooves on the base material, and after lamination, the sheets were rolled up along the grooves using a bending roll. Thereafter, it was cut along the groove with a gang saw to obtain a long decorative board with the desired narrow width.

[Brief explanation of drawings]

FIG. 1 is a schematic perspective view of a conventional decorative laminate, FIG. 2 is a schematic sectional view of a grooved substrate in an embodiment of the method for manufacturing a decorative laminate according to the present invention, and FIG. An explanatory diagram of the device,
Fig. 4 is an explanatory diagram showing the state of spray application of the same adhesive as above, Fig. 5 is an explanatory diagram of the adhesive coating device as above, Fig. 6 is an explanatory diagram of the roll coater as above, and Fig. T is an explanatory diagram of the adhesive as above. FIG. 8 is a schematic cross-sectional view of the suction roll same as above, FIG. 9 is an explanatory view of the base material feeding device same as above, and FIG. 10 is an explanatory view of the laminator same as above. , Fig. 11 is a schematic cross-sectional view showing the state immediately after the surface sheet is pasted with a suction roll, Fig. 12 is an explanatory diagram showing the bending and adhesion process using the same bending roll, and Fig. 13 is the bending and adhesion process of the same as above. FIGS. 14A and 14B are explanatory diagrams of the apparatus and are explanatory diagrams for explaining cutting of a grooved base material to which the above-mentioned top sheet is bonded. 1...Base material, 2...Groove, 3...
... Grooved base material, 4 ... Adhesive, 5 ...
- Suction hole, 6... Annular groove, 7... Suction roll, 8... Surface sheet, 9... Bending roller.

Claims (1)

[Claims] 1. A grooved base material with a plurality of grooves is formed by performing groove processing on the surface of a wide base material, and an adhesive is applied to the grooves, sides, and surface of the grooved base material, and suction holes are formed as well as grooves. The top sheet is suctioned with a suction roll that has an annular groove in a position corresponding to the groove of the base material, and the top sheet is adhered to the grooved base material while being brought into close contact with the suction roll.Then, the top sheet is bent and rolled. A decorative board characterized in that it is pasted by bending and pressing the grooved base material at the groove and side positions, and then cutting along the groove from the back side of the grooved base material to obtain a narrow decorative board. Production method.