CN216031424U

CN216031424U - Core material plate with novel structure

Info

Publication number: CN216031424U
Application number: CN202022947930.1U
Authority: CN
Inventors: 唐雨枫; 戴雪枫; 高水昌; 陈国荣; 姜全建; 顾仲凯; 叶斌; 赵建忠; 沈云芳; 桂成胜
Original assignee: Zhejiang Shenghua Yunfeng Greeneo Co ltd
Current assignee: Zhejiang Shenghua Yunfeng Greeneo Co ltd
Priority date: 2020-12-11
Filing date: 2020-12-11
Publication date: 2022-03-15
Anticipated expiration: 2030-12-11

Abstract

The utility model provides a new structure core material plate which comprises a core material layer, wherein a first balance layer and a second balance layer are respectively bonded on the top surface and the bottom surface of the core material layer, a first veneer layer and a second veneer layer are respectively bonded on the outer surfaces of the first balance layer and the second balance layer, and a first decorative layer and a second decorative layer are respectively bonded on the outer surfaces of the first veneer layer and the second veneer layer; the core material layer comprises a plurality of multi-layer core plate strips, the multi-layer core plate strips have the same size, the width and the height of the multi-layer core plate strips are consistent, the multi-layer core plate strips are tiled from left to right, and the adjacent multi-layer core plate strips are tiled and bonded vertically.

Description

Core material plate with novel structure

Technical Field

The utility model belongs to the field of plate production and manufacturing, and particularly relates to a novel-structure core material plate.

Background

The plate is developed to the present, and is an indispensable decorative material in the field of decorative building materials. With the gradual progress of the times, the practicability and the permanence of the decorative material gradually attract great attention. At present, in production and manufacturing, the cases that the use feeling of a client is influenced by the processing deformation of the plate are gradually increased, and the deformation condition of the plate is increased due to the poor selection of the production processing technology and raw materials. In order to effectively improve the flatness and the deformation resistance of the plate, the core material with a novel structure is adopted as the core layer base material. The novel structure effectively reduces each stress in the plate preparation process through the action of physical mechanics, and improves the structural stability and the deformation resistance of the plate.

SUMMERY OF THE UTILITY MODEL

Preferably, the first balance layer and the second balance layer are made of poplar, eucalyptus or density boards, the thickness of the first balance layer and the second balance layer is 1.5mm +/-0.5 mm, and the water content of the first balance layer and the second balance layer is 12-18%.

Preferably, the first finishing layer and the second finishing layer are melamine impregnated bond paper.

Preferably, the multilayer core strip is formed by sawing a multilayer substrate.

Preferably, the multilayer core web has a length of 100cm, a width of 1.3cm and a height of 1.3 cm.

Preferably, the thickness of the first veneer layer and the second veneer layer is 0.5mm-1mm, and the water content is 12-16%.

The utility model adopts the multilayer board as the core material, and assembles the adjacent core strips in a vertical state, and further reduces the stress during pressing and pasting by the assembling mode, thereby improving the pressing and pasting effect of the board, and improving the flatness, the structural stability and the transverse static bending strength of the board.

Drawings

FIG. 1 is a schematic structural diagram of a core material plate with a new structure provided by the utility model;

FIG. 2 is an elevation view of a core layer provided by the present invention;

fig. 3 is a top view of a core material layer provided by the present invention.

Detailed Description

In order to more clearly show the objects and technical advantages of the present invention, the technical solution of the present invention will be described in detail below. It is obvious that the described embodiments are only a part of the embodiments of the utility model, and not all embodiments. Based on the embodiments in the present disclosure, those skilled in the art can obtain the embodiments without any inventive work, and the embodiments belong to the protection scope of the present invention.

Referring to fig. 1, the present invention provides a new structural core material sheet, which includes a core material layer 6, wherein a first balance layer 2 and a second balance layer 3 are respectively bonded to a top surface and a bottom surface of the core material layer 6, a first veneer layer 5 and a second veneer layer 7 are respectively bonded to outer surfaces of the first balance layer 2 and the second balance layer 3, and a first facing layer 1 and a second facing layer 4 are respectively bonded to outer surfaces of the first veneer layer 5 and the second veneer layer 7;

referring to fig. 2 and 3, the core layer 6 includes a plurality of multi-layer core strips, the multi-layer core strips have the same size and have the same width and height, the multi-layer core strips are tiled from left to right, adjacent multi-layer core strips are tiled and bonded vertically, two adjacent core strips a61 and a core strip B62 are assembled in a vertical state, and the assembling manner further reduces stress during pressing, so as to improve the pressing effect of the board, and improve the flatness and structural stability of the board.

In some embodiments, the first balance layer 2 and the second balance layer 3 are made of poplar, eucalyptus or density boards, the thickness of the poplar, the eucalyptus or the density boards is 1.5mm +/-0.5 mm, the water content of the poplar and the second balance layer is 12-18%, the stress of the core material is balanced by the first balance layer and the second balance layer, and the pressing effect of the decoration surface layer is improved.

In some embodiments, the first finishing layer 1 and the second finishing layer 4 are melamine-impregnated bond paper, which is a wide variety of melamine-impregnated bond paper with excellent performance. And the novel functions of flame retardance, wear resistance, formaldehyde removal and sterilization and the like can be given to the wood floor according to different processing technologies.

In this example, formaldehyde-free soy protein based epoxy resin was used between the core layer and the balancing layer.

Specifically, the multilayer core plate strip is formed by sawing a multilayer substrate, and the length of the multilayer core plate strip is 100cm, the width of the multilayer core plate strip is 1.3cm, and the height of the multilayer core plate strip is 1.3 cm; the thickness of the first veneer layer and the second veneer layer is 0.5mm-1mm, and the water content is 12-16%.

The embodiment also provides a preparation method of the core material plate with the new structure, which specifically comprises the following steps:

1. the core layer was prepared as follows:

step 1, pressing a single board into a multilayer board substrate with the thickness of 1.3cm by using an aldehyde-free adhesive;

step 2, sawing the pressed multilayer substrate into multilayer core boards with the length of 100cm, the width of 1.3cm and the height of 1.3 cm;

and 3, tiling and assembling the multilayer core plate into a 2460 mm/1260 mm/13 mm core plate, distributing glue on the side surface of the lath, and pressing and bonding the lath into a core material layer.

2. The core material layer is coated with formaldehyde-free soy protein based epoxy resin glue, and the glue coating amount is 270g/m²And assembling balance layers at the upper side and the lower side.

3. After glue is distributed, the board is placed for about 30min, and cold pressing is carried out on the board for 45h, and the unit pressure is 0.65 MPa.

4. And hot-pressing the plate at the unit pressure of 0.7MPa and the temperature of 125 ℃ for 20 min.

5. And curing the plate for 15 days.

6. The substrate is coated with aldehyde-free soy protein based epoxy resin glue in an amount of 200g/m²And assembling veneer layers at the upper side and the lower side.

7. And (3) carrying out cold pressing on the plate with the unit pressure of 0.6MPa for 30 min.

8. And hot-pressing the plate at the unit pressure of 0.6MPa and the temperature of 120 ℃ for 7 min.

9. And curing the plate for 15 days.

10. And (3) carrying out veneer lamination on the substrate, wherein the process is that the unit pressure is 0.7MPa, the temperature is 125 ℃, and the time is 6 min.

The new structure core material plate prepared in the example is subjected to related detection.

The detection basis is according to GB/T34722.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The new structure core material board is characterized by comprising a core material layer (6), wherein a first balance layer (2) and a second balance layer (3) are respectively bonded on the top surface and the bottom surface of the core material layer, a first veneer layer and a second veneer layer are respectively bonded on the outer surfaces of the first balance layer (2) and the second balance layer (3), and a first finishing layer and a second finishing layer are respectively bonded on the outer surfaces of the first veneer layer and the second veneer layer; the core material layer comprises a plurality of multi-layer core plate strips, the multi-layer core plate strips have the same size, the width and the height of the multi-layer core plate strips are consistent, the multi-layer core plate strips are tiled from left to right, and the adjacent multi-layer core plate strips are vertically tiled and bonded.

2. The new structure core material plate as claimed in claim 1, wherein the first balance layer and the second balance layer are made of poplar, eucalyptus or density board, the thickness is 1.5mm ± 0.5mm, and the water content is 12-18%.

3. The new structure core material sheet material as claimed in claim 1, wherein the first and second finishing layers are melamine impregnated bond paper.

4. The new structural core panel in accordance with claim 1 wherein the multi-layer core strips are formed by sawing a multi-layer substrate.

5. The new structural core sheet in accordance with claim 1 wherein the multilayer core strips are 100cm long, 1.3cm wide and 1.3cm high.

6. The new structure core material plate as claimed in claim 1, wherein the first veneer layer and the second veneer layer have a thickness of 0.5mm-1mm and a water content of 12-16%.