CN213704803U

CN213704803U - Concatenation formula plywood

Info

Publication number: CN213704803U
Application number: CN202022591634.2U
Authority: CN
Inventors: 蔡爱平
Original assignee: Suqian Yifeng Wood Industry Co ltd
Current assignee: Suqian Yifeng Wood Industry Co ltd
Priority date: 2020-11-10
Filing date: 2020-11-10
Publication date: 2021-07-16
Anticipated expiration: 2030-11-10

Abstract

The utility model discloses a splicing type plywood, which belongs to the field of plywood and is used for plywood and is formed by splicing a plurality of strip-shaped massive structures of substrate splicing plates, wherein the upper surface and the lower surface of a middle core layer formed by the substrate splicing plates are respectively covered and are connected with a first glass fiber layer through an aldehyde-free adhesive; a rectangular hole is formed in the substrate splicing plate, and penetrates through the substrate splicing plate in the length direction of the substrate splicing plate; the rectangular holes are filled with camphorwood boards, and the outer surfaces of the camphorwood boards, which are in contact with the rectangular holes, are coated with aldehyde-free adhesives. It can carry out the design of relexing to the structure between middle part core and the outer plate body, increases the flexibility of plywood production and the variety of function when guaranteeing plywood intensity.

Description

Concatenation formula plywood

Technical Field

This application belongs to the plywood field, and specifically speaking especially relates to a concatenation formula plywood.

Background

In the conventional art, plywood refers to a three-layer or multi-layer plate-like material obtained by rotary cutting a wood segment into veneers or slicing a wood block into thin wood pieces and then gluing the veneers with an adhesive, and is generally obtained by gluing an odd number of veneers with the fiber directions of the veneers of adjacent layers perpendicular to each other. A group of veneers are typically assembled and glued perpendicular to each other in the direction of the adjacent layers of wood grain, and the skins and inner sheets are typically symmetrically disposed on either side of the center layer or core. The glued veneer is pressed into the wood grain board blank by the criss-cross matching of the glued veneer according to the wood grain direction under the condition of heating or not heating. The number of layers is generally odd, and a few are even. The difference of physical and mechanical properties in the longitudinal and transverse directions is small.

However, adopt above-mentioned plywood structure can not effectively adapt to current fitment demand, need just can carry out the concatenation in the coplanar after processing above-mentioned plywood structure in the fitment process, and size etc. in the production process is comparatively fixed, and the flexibility is not enough.

Disclosure of Invention

An object of this application is to provide a concatenation formula plywood, it can carry out the design of relexing to the structure between middle part core and the outer plate body, increases the flexibility of plywood production and the variety of function when guaranteeing plywood intensity.

In order to achieve the purpose, the method is realized by the following technical scheme:

the spliced plywood in the utility model comprises a middle core layer, wherein the middle core layer is formed by splicing a plurality of strip-shaped massive substrate splice plates, and the adjacent substrate splice plates are connected by formaldehyde-free adhesives at the splicing positions; the upper surface and the lower surface of a middle core layer formed by the substrate splice plates are respectively covered and connected with a first glass fiber layer through an aldehyde-free adhesive, the outer surface of the first glass fiber layer is covered with an outer plate, the outer surface of the outer plate is connected with a second glass fiber layer through an aldehyde-free adhesive, and the outer part of the second glass fiber layer is covered with a decorative layer connected through an aldehyde-free adhesive; a rectangular hole is formed in the substrate splicing plate, and penetrates through the substrate splicing plate in the length direction of the substrate splicing plate; the rectangular hole is filled with a camphorwood board, and the outer surface of the camphorwood board, which is in contact with the rectangular hole, is coated with an aldehyde-free adhesive.

Further, the utility model discloses in the both sides of base plate splice plate be provided with caulking groove, abaculus respectively, adjacent base plate splice plate is pegged graft through caulking groove and the abaculus that corresponds with it.

Furthermore, the caulking groove and the caulking block are respectively provided with a top surface and a bottom surface which are formed by two inclined planes with included angles of 120 degrees at the upper position and the lower position of the caulking groove and the caulking block.

Furthermore, the formaldehyde-free adhesive in the utility model is a soybean formaldehyde-free adhesive.

Furthermore, in the utility model, the distance equal to the depth or thickness of the rectangular hole is reserved between the rectangular hole and the bottom surfaces of the caulking grooves and the bottom surfaces of the caulking blocks on the two sides.

Furthermore, the outer plate of the utility model adopts the mutually meshed hidden teeth to indicate the joint, and the hidden teeth indicate the joint position to be located the middle position of the base plate splice plate.

Furthermore, the outer plate of the utility model is coated with the milk white glue at the hidden tooth position.

Furthermore, the outer layer board of the utility model is made of high-density fiberboard.

Furthermore, the utility model discloses in the base plate splice plate adopt solid hardwood board.

Compared with the prior art, the beneficial effects of this application are: it can carry out the design of relexing to the structure between middle part core and the outer plate body, increases the flexibility of plywood production and the variety of function when guaranteeing plywood intensity.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

In the figure: 1. a second fiberglass layer; 2. an outer plate; 3. a first fiberglass layer; 4. a substrate splice plate; 5. an inner core; 6. caulking grooves; 7. an insert block; 8. a cushion body.

Detailed Description

The technical solutions described in the present application are further described below with reference to the accompanying drawings and embodiments. It should be noted that, in the following paragraphs, possible directional terms including, but not limited to, "upper, lower, left, right, front, rear" and the like are used, and all directions are meant to correspond to the visual directions shown in the drawings of the specification, which should not be construed as limiting the scope of the present invention, and are only for facilitating the better understanding of the technical solutions described in the specification by those skilled in the art.

In the description of the following paragraphs, unless explicitly stated or limited otherwise, the terms "mounted," "connected," and the like are to be construed broadly and include, for example, fixed connections, removable connections, or integral connections; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances in combination with common general knowledge in the art, design specifications, standard documents, and the like.

Example 1

A splicing type plywood comprises a middle core layer, wherein the middle core layer is formed by splicing a plurality of strip-shaped blocky substrate splicing plates 4, and the adjacent substrate splicing plates 4 are connected at the splicing positions by formaldehyde-free adhesives; the upper surface and the lower surface of a middle core layer formed by the substrate splice plates 4 are respectively covered and connected with a first glass fiber layer 3 through an aldehyde-free adhesive, the outer surface of the first glass fiber layer 3 is covered with an outer plate 2, the outer surface of the outer plate 2 is connected with a second glass fiber layer 1 through an aldehyde-free adhesive, and the outer part of the second glass fiber layer 1 is covered with a decorative layer connected through an aldehyde-free adhesive; a rectangular hole is formed in the substrate splicing plate 4, and the rectangular hole penetrates through the substrate splicing plate 4 in the length direction of the substrate splicing plate 4; the rectangular hole is filled with the camphorwood board 5, and the outer surface of the camphorwood board 5 in contact with the rectangular hole is coated with an aldehyde-free adhesive.

Example 2

A splice type plywood is characterized in that two sides of each substrate splice plate 4 are respectively provided with an embedded groove 6 and an embedded block 7, and adjacent substrate splice plates 4 are spliced with the embedded blocks 7 corresponding to the embedded grooves 6; the upper and lower positions of the caulking groove 6 and the caulking block 7 are respectively provided with a top surface and a bottom surface which are formed by two inclined surfaces with an included angle of 120 degrees; the formaldehyde-free adhesive is a soybean formaldehyde-free adhesive; the rectangular hole is spaced from the bottom surfaces of the caulking grooves 6 and the bottom surfaces of the caulking blocks 7 at two sides by a distance equal to the depth or thickness of the rectangular hole; the outer layer plate 2 is in finger joint by adopting intermeshing hidden teeth, and the finger joint part of the hidden teeth is positioned in the middle of the substrate splice plate 4; the outer plate 2 is coated with milky white glue at the position of the hidden teeth; the outer layer plate 2 is a high-density fiberboard; the substrate splicing plates 4 are solid hard wood plates. The structure and connection relationship of the rest parts are the same as those described in any of the foregoing embodiments, and are not described herein again to avoid the tedious text.

Example 3

A spliced plywood is characterized in that a groove is formed in the position, connected with a first glass fiber layer 3, of a substrate splicing plate 4, a cushion body 8 is embedded into the groove, and the cushion body 8 is made of silica gel. The structure and connection relationship of the rest parts are the same as those described in any of the foregoing embodiments, and are not described herein again to avoid the tedious text.

On the basis of the above-mentioned embodiments, the following paragraphs are used to continue detailed description of the technical features involved therein and the functions and actions of the technical features in the technical solutions, so as to help those skilled in the art fully understand the technical solutions and reproduce the technical solutions.

As shown in fig. 1, in the present invention, the plywood layers are symmetrically distributed with the middle core layer. The middle core layer is formed by splicing a plurality of substrate splicing plates 4, and the parts spliced by the substrate splicing plates 4 are coated with formaldehyde-free adhesives. Specifically, the substrate splicing plate 4 of the present invention is a rectangular plate with two sides respectively processed with a slot 6 and a block 7. The insert groove 6 and the insert 7 extend in the length direction of the substrate splice plate 4 and have the same length as the substrate splice plate 4. In order to ensure that the insert 7 can be stably and firmly inserted into the insert groove 6, two inclined planes with an included angle of 120 degrees are arranged above and below the insert groove 6 and the insert 7, and the rest surfaces of the insert groove 6 and the insert 7 are perpendicular to the horizontal plane. This makes it possible to ensure the contact area between the insert 7 and the groove 6 while facilitating the insertion of the insert 7, and to achieve a firm connection after the application of the aldehyde-free adhesive.

The utility model discloses in, the middle part processing of base plate splice plate 4 have the rectangular hole, leave the distance the same rather than degree of depth or thickness between caulking groove 6 of rectangular hole and both sides, the 7 bottom surfaces of abaculus, the aim at who sets up like this guarantees the intensity of base plate splice plate 4 self, does not influence the stability after the concatenation because of processing the rectangular hole. Secondly, different woods are inserted in the rectangular holes to realize different functions, for example, after the inner core 5 made of camphor wood is inserted, the mosquito repellent incense can have certain insect repelling performance. When inserting the cork material, can play certain effect of adjusting the plywood humiture, reduce the influence of humiture to the plywood.

The utility model discloses in, upper surface, the lower surface of base plate splice plate 4 cover respectively and have first glass fiber layer 3, first glass fiber layer 3 adopts glass fiber net check cloth or rather than the reinforcing fiber who equals, its effect lies in further guaranteeing the stability on middle part core layer that base plate splice plate 4 constitutes, makes it become a complete structure, and has reduction panel weight, improvement panel shock resistance.

The utility model discloses in, the surface of first glass fiber layer 3 is connected with outer plywood 2 through no aldehyde adhesive, and outer plywood 2 can adopt high density limiting plate or cork board. The outer plates 2 can still be expanded and connected in a splicing manner. The adjacent outer plates 2 are connected by adopting the mutual-adhesion hidden tooth finger-joint parts, and the connection parts are coated with the milky white glue to further increase the connection effect.

The utility model discloses in, because outer plywood 2 can adopt the structural style of concatenation, its concatenation position department should stagger with the hookup location of base plate splice plate 4, and its preferred concatenation position department that is 2 outer plywood is located the middle part position of arbitrary base plate splice plate 4. The purpose that sets up like this improves panel overall structure's stability, avoids splice position department coincidence or highly similar to cause certain position fracture or the intensity reduction of plywood.

The utility model discloses in, for the fixed and enhancement of realization outer plywood 2, the surface at outer plywood 2 covers there is second glass fiber layer 1, and second glass fiber layer 1 is the same with first glass fiber layer 3, no longer gives unnecessary details. The outer surface of the second glass fiber layer 1 may be provided with a decorative layer or other functional plate body adhered thereto.

The utility model discloses in, the cushion pad body 8 that sets up the silica gel material at 4 upper surfaces of base plate splice plate and lower surface can effectively increase base plate splice plate 4 and even whole plywood's anti-seismic performance, provides certain buffering attribute. The cushion bodies 8 are uniformly distributed on the middle core layer formed by the substrate splicing plates 4.

Finally, although the present description refers to embodiments, not every embodiment contains only a single technical solution, and such description of the present description is for clarity reasons only, and those skilled in the art should make the description as a whole, and the technical solutions in the embodiments can be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. The utility model provides a concatenation formula plywood, includes middle part core layer, its characterized in that: the middle core layer is formed by splicing a plurality of strip-shaped blocky substrate splicing plates (4), and adjacent substrate splicing plates (4) are connected at the splicing positions by adopting an aldehyde-free adhesive; the upper surface and the lower surface of a middle core layer formed by the substrate splice plates (4) are respectively covered and connected with a first glass fiber layer (3) through an aldehyde-free adhesive, the outer surface of the first glass fiber layer (3) is covered with an outer plate (2), the outer surface of the outer plate (2) is connected with a second glass fiber layer (1) through an aldehyde-free adhesive, and the outer part of the second glass fiber layer (1) is covered with a decorative layer connected through an aldehyde-free adhesive; a rectangular hole is formed in the substrate splicing plate (4), and penetrates through the substrate splicing plate (4) in the length direction of the substrate splicing plate (4); the rectangular hole is filled with camphorwood board (5), and the outer surface of camphorwood board (5) and rectangular hole contact is coated with no aldehyde adhesive.

2. The spliced plywood of claim 1, wherein: the two sides of each substrate splicing plate (4) are respectively provided with an embedded groove (6) and an embedded block (7), and the adjacent substrate splicing plates (4) are spliced through the embedded grooves (6) and the embedded blocks (7) corresponding to the embedded grooves.

3. The spliced plywood of claim 2, wherein: the upper and lower positions of the caulking groove (6) and the caulking block (7) are respectively provided with a top surface and a bottom surface which are formed by two inclined surfaces with an included angle of 120 degrees.

4. The spliced plywood of claim 1, wherein: the formaldehyde-free adhesive is a soybean formaldehyde-free adhesive.

5. The spliced plywood of claim 1, wherein: and a distance equal to the depth or thickness of the rectangular hole is reserved between the rectangular hole and the bottom surfaces of the caulking grooves (6) and the bottom surfaces of the embedding blocks (7) on the two sides.

6. The spliced plywood of claim 1, wherein: the outer layer plate (2) adopts the mutually meshed hidden teeth to be finger-jointed, and the finger-jointed part of the hidden teeth is positioned in the middle of the substrate splice plate (4).

7. The spliced plywood of claim 6, wherein: the outer plate (2) is coated with milky white glue at the position of the hidden teeth.

8. The spliced plywood of any one of claims 1 to 7, wherein: the outer layer plate (2) is made of high-density fiberboard.

9. The spliced plywood of claim 8, wherein: the substrate splicing plates (4) are solid hard wood plates.

10. The spliced plywood of claim 9, wherein: the substrate splicing plate (4) is provided with a groove at the connecting position of the substrate splicing plate and the first glass fiber layer (3), a cushion body (8) is embedded in the groove, and the cushion body (8) is made of silica gel.