CN214606340U

CN214606340U - Difficult-cracking laminated veneer lumber and medium-density fiberboard composite board

Info

Publication number: CN214606340U
Application number: CN202120503167.5U
Authority: CN
Inventors: 孙献娥; 李迎超
Original assignee: Lianyungang Palace Wood Co ltd
Current assignee: Lianyungang Palace Wood Co ltd
Priority date: 2021-03-10
Filing date: 2021-03-10
Publication date: 2021-11-05
Anticipated expiration: 2031-03-10

Abstract

The utility model discloses a difficult veneer laminated timber and medium density fiberboard composite sheet (LVS) that ftractures, including first veneer laminated timber (LVL) layer, the upper surface of first veneer laminated material layer fixedly connects with second veneer laminated timber (LVL) layer, the upper surface of first veneer laminated material layer and the lower surface both sides of second veneer laminated material layer have all seted up the draw-in groove, the upper surface of first veneer laminated material layer and the lower surface both sides of second veneer laminated material layer have all seted up the mounting groove, the spring has been placed to the inside of mounting groove, the other end fixedly connected with fixture block of spring, the lower surface of first veneer laminated material layer and the upper surface of second veneer laminated material layer all fixedly connected with Medium Density Fiberboard (MDF), the equal fixedly connected with waterproof layer of opposite side outer wall of Medium Density Fiberboard (MDF). The pull ring is pulled, the pull ring drives the fixture block to move through the connecting rope, the fixture block shrinks and enters the composite board, and the disassembly is finished.

Description

Difficult-cracking laminated veneer lumber and medium-density fiberboard composite board

Technical Field

The utility model relates to a composite sheet technical field especially relates to a veneer laminated lumber (LVL) and Medium Density Fiberboard (MDF) composite sheet that is difficult for fracture, LVS (laminated woven ware sandwich) panel promptly.

Background

Metal composite panels, wood composite panels, color steel composite panels, rock wool composite panels, and the like. The wood industry composite board is characterized in that one wood board is covered on the other wood board, and the middle of the wood board is coated with an adhesive for bonding.

The existing wood composite boards are mostly spliced by using nails or glue, and although the method has good stability, when the wood boards need to be disassembled, the disassembly is inconvenient, and the composite boards can be damaged during the disassembly, so the use is inconvenient; the existing wood composite boards are easy to warp, deform and crack, and have poor waterproofness. In order to solve the problems, a laminated veneer lumber and a medium-density fiberboard composite board which are not easy to crack are provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art, and providing a glue type composite board which prevents warping and deformation, is not easy to crack and has better physical and mechanical properties.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a composite board of a laminated veneer lumber and a medium-density fiberboard, which is not easy to crack, comprises a first laminated veneer lumber layer, wherein the upper surface of the first laminated veneer lumber layer is fixedly connected with a second laminated veneer lumber layer, the upper surface of the first laminated veneer lumber layer and two sides of the lower surface of the second laminated veneer lumber layer are respectively provided with a clamping groove, the upper surface of the first laminated veneer lumber layer and two sides of the lower surface of the second laminated veneer lumber layer are respectively provided with a mounting groove, a spring is arranged inside the mounting groove, the other end of the spring is fixedly connected with a clamping block, one end of the clamping block, which is close to the spring, is fixedly connected with a connecting rope, a guide wheel is arranged inside the mounting groove, the other end of the connecting rope is fixedly connected with a pull ring, and the lower surface of the first laminated veneer lumber layer and the upper surface of the second laminated veneer lumber layer are respectively fixedly connected with a medium-density fiberboard, and the outer wall of the other side of the medium-density fiberboard is fixedly connected with a waterproof layer.

Preferably, the first laminated veneer lumber layer and the second laminated veneer lumber layer are provided with sliding grooves on two sides of the mounting groove, the sliding grooves are connected with limiting blocks in a sliding mode, and the outer walls of the limiting blocks are fixedly connected with the outer walls of the clamping blocks.

Preferably, the tab is located outside the first and second laminated veneer lumber layers.

Preferably, the waterproof layer is a polyethylene film layer, and the thickness of the waterproof layer is 0.1mm-0.3 mm.

Preferably, the size of the fixture block is matched with that of the clamping groove, and the fixture block is nested in the clamping groove.

Preferably, the first laminated veneer lumber layer, the second laminated veneer lumber layer, the medium-density fiberboard and the waterproof layer are fixedly connected by epoxy glue layers, and the thickness of the epoxy glue layers is 0.1mm-0.2 mm.

The utility model has the advantages that:

1. the utility model discloses in, place two composite sheets together, make the fixture block card go into in the draw-in groove of another composite sheet, accomplish the concatenation promptly, and need not use spike or glue to splice the composite sheet, it is more convenient during the use, when needs are dismantled, the pulling pull ring, the pull ring drives the fixture block through connecting the rope and removes, inside the fixture block shrink gets into the composite sheet, accomplish the dismantlement promptly, and can not harm the composite sheet when dismantling, convenient to use.

2. The utility model discloses in, laminated timber of veneer (LVL) layer is the core plate material, and auxiliary material is made to medium-thickness type Medium Density Fiberboard (MDF), through the epoxy glue film complex together, makes through high temperature hot pressing, solves the problem that warpage, deformation, fracture and tinctorial property are poor, has improved the stability of device, has solved the problem of LVS composite sheet fracture.

3. The utility model discloses in, certain dampproofing waterproof effect is opened to isolated external moisture and moisture content that the polyethylene film layer of waterproof layer can be fine.

4. The LVS composite board of this patent has good dimensional stability. The plywood is prepared by using LVL as a core board material and using medium-thickness or thin MDF as a surface board material, gluing the LVL and the surface board material, combining the LVL and the surface board material together through assembly and hot pressing at high temperature, and can solve the defects of warpage, deformation, cracking, poor coloring performance and the like of a poplar plywood. The LVS has better physical and mechanical properties, and effectively solves the respective defects of LVL and MDF. The LVS board is a decorative material, and has been widely used for manufacturing interior members of houses such as partition boards, lining boards, doors, windows, pillars, etc.

Drawings

Fig. 1 is a schematic structural view of a laminated veneer lumber and a medium density fiberboard composite board not prone to cracking according to the present invention.

Fig. 2 is a schematic structural diagram of a second laminated veneer lumber layer of the composite plate of the difficult-to-crack laminated veneer lumber and the medium-density fiberboard of the present invention.

Fig. 3 is a schematic structural diagram of the first laminated veneer lumber layer of the composite plate of the difficult-to-crack laminated veneer lumber and the medium-density fiberboard of the present invention.

Fig. 4 is a schematic view of a local structure at a position a in fig. 3 of a composite board of a laminated veneer lumber and a medium density fiberboard, which is not easy to crack.

Fig. 5 is a schematic view of a local structure at B in fig. 3 of a composite board of a laminated veneer lumber and a medium density fiberboard, which is not easy to crack.

Fig. 6 is a schematic structural view of the guide wheel of the composite board of the laminated veneer lumber and the medium density fiberboard, which is not easy to crack.

Fig. 7 is a schematic structural diagram of a fixture block of the composite board of the laminated veneer lumber and the medium density fiberboard, which is not easy to crack.

Reference numbers in the figures: 1. a first ply laminate layer; 2. a second ply of veneer material; 3. a card slot; 4. mounting grooves; 5. connecting ropes; 6. a pull ring; 7. a guide wheel; 8. a spring; 9. a clamping block; 10. a limiting block; 11. a chute; 12. medium density fiberboard; 13. and a waterproof layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Example (b):

as shown in figures 1 to 7:

the utility model provides a composite sheet LVS of difficult cracked veneer layer laminated timber (LVL) and Medium Density Fiberboard (MDF), including first veneer layer laminated timber layer 1, the last fixed surface of first veneer layer laminated timber layer 1 is connected with second veneer layer laminated timber layer 2, draw-in groove 3 has all been seted up with second veneer layer laminated timber layer 2's lower surface both sides to the upper surface of first veneer layer laminated timber layer 1, mounting groove 4 has all been seted up with second veneer layer laminated timber layer 2's lower surface both sides to the upper surface of first veneer layer laminated timber layer 1, spring 8 has been placed to the inside of mounting groove 4, spring 8's other end fixedly connected with fixture block 9, fixture block 9 is close to spring 8's one end fixedly connected with connecting rope 5. The internally mounted of mounting groove 4 has leading wheel 7, connects the other end fixedly connected with pull ring 6 of rope 5, and the equal fixedly connected with medium density fiberboard 12 of the lower surface of first laminated veneer lumber layer 1 and the upper surface of second laminated veneer lumber layer 2, the equal fixedly connected with waterproof layer 13 of opposite side outer wall of medium density fiberboard 12. The waterproof layer 13 is a polyethylene film layer, and the thickness of the waterproof layer 13 is 0.1mm-0.3 mm.

The first laminated veneer lumber layer 1 and the second laminated veneer lumber layer 2 are positioned on two sides of the mounting groove 4 and are provided with sliding grooves 11, the sliding grooves 11 are connected with limiting blocks 10 in a sliding mode, the outer walls of the limiting blocks 10 are fixedly connected with the outer walls of the clamping blocks 9, and the pull rings 6 are positioned on the outer sides of the first laminated veneer lumber layer 1 and the second laminated veneer lumber layer 2. The size of the fixture block 9 is matched with that of the clamping groove 3, the fixture block 9 is nested inside the clamping groove 3, the first laminated veneer lumber layer 1, the second laminated veneer lumber layer 2, the medium-density fiberboard 12 and the waterproof layer 13 are fixedly connected through epoxy glue layers, and the thickness of each epoxy glue layer is 0.1mm-0.2 mm.

The specific use mode and function of the embodiment are as follows:

when the utility model is used, when the composite board needs to be spliced, the two composite boards are placed together, the clamping block 9 is clamped into the clamping groove 3 of the other composite board, so that the splicing is completed, and the composite boards do not need to be spliced by using nails or glue, the use is more convenient, when the composite board needs to be disassembled, the pull ring 6 is pulled, the pull ring 6 drives the clamping block 9 to move through the connecting rope 5, the clamping block 9 shrinks to enter the composite board, so that the disassembly is completed, the composite boards cannot be damaged when the composite board is disassembled, and the use is convenient;

the composite plate LVS has good dimensional stability. The laminated veneer material is prepared by compounding a veneer laminated material layer serving as a core material and a medium-thickness medium-density fiberboard 12 serving as an auxiliary material through an epoxy glue layer and performing high-temperature hot pressing, so that the defects of warpage, deformation, cracking, poor coloring performance and the like are overcome, and a polyethylene film layer of a waterproof layer 13 can well isolate external moisture and water to play a certain role in moisture prevention and water prevention.

Claims

1. The composite board comprises a first laminated veneer lumber layer (1) and is characterized in that a second laminated veneer lumber layer (2) is fixedly connected to the upper surface of the first laminated veneer lumber layer (1), clamping grooves (3) are formed in the upper surface of the first laminated veneer lumber layer (1) and two sides of the lower surface of the second laminated veneer lumber layer (2), mounting grooves (4) are formed in the upper surface of the first laminated veneer lumber layer (1) and two sides of the lower surface of the second laminated veneer lumber layer (2), a spring (8) is placed inside each mounting groove (4), a clamping block (9) is fixedly connected to the other end of the spring (8), a connecting rope (5) is fixedly connected to one end, close to the spring (8), of the clamping block (9), a guide wheel (7) is installed inside each mounting groove (4), the other end fixedly connected with pull ring (6) of connecting rope (5), the equal fixedly connected with medium density fiberboard (12) of the lower surface of first veneer laminated wood layer (1) and the upper surface of second veneer laminated wood layer (2), the equal fixedly connected with waterproof layer (13) of opposite side outer wall of medium density fiberboard (12).

2. The composite board of the laminated veneer lumber and the medium-density fiberboard, which is not easy to crack, according to claim 1, is characterized in that sliding grooves (11) are formed in both sides of the mounting groove (4) of the first laminated veneer lumber layer (1) and the second laminated veneer lumber layer (2), a limiting block (10) is slidably connected inside the sliding grooves (11), and the outer wall of the limiting block (10) is fixedly connected with the outer wall of the clamping block (9).

3. A composite board of a non-brittle-breaking laminated veneer lumber and medium density fiberboard according to claim 1, characterized in that the tab (6) is located outside the first laminated veneer lumber layer (1) and the second laminated veneer lumber layer (2).

4. The composite board of the laminated veneer lumber and the medium-density fiberboard of claim 1, wherein the waterproof layer (13) is a polyethylene film layer, and the thickness of the waterproof layer (13) is 0.1mm to 0.3 mm.

5. The composite board of the laminated veneer lumber and the medium density fiberboard, which is not easy to crack, of claim 1, wherein the size of the clamping blocks (9) is matched with the size of the clamping grooves (3), and the clamping blocks (9) are nested inside the clamping grooves (3).

6. The composite board of the laminated veneer lumber and the medium-density fiberboard of claim 1, wherein the first laminated veneer lumber layer (1), the second laminated veneer lumber layer (2), the medium-density fiberboard (12) and the waterproof layer (13) are fixedly connected by an epoxy glue layer, and the thickness of the epoxy glue layer is 0.1mm-0.2 mm.