CN115056301A - Functional shaving board and preparation method thereof - Google Patents

Functional shaving board and preparation method thereof Download PDF

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Publication number
CN115056301A
CN115056301A CN202210722371.5A CN202210722371A CN115056301A CN 115056301 A CN115056301 A CN 115056301A CN 202210722371 A CN202210722371 A CN 202210722371A CN 115056301 A CN115056301 A CN 115056301A
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CN
China
Prior art keywords
layer
shaving board
base plate
pressure
functional
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Pending
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CN202210722371.5A
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Chinese (zh)
Inventor
吴志刚
张乔艳
胡振华
冉洁
谭玮颐
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
State Owned Zhazuo Forest Farm In Guizhou Province
Guizhou University
Original Assignee
State Owned Zhazuo Forest Farm In Guizhou Province
Guizhou University
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Application filed by State Owned Zhazuo Forest Farm In Guizhou Province, Guizhou University filed Critical State Owned Zhazuo Forest Farm In Guizhou Province
Priority to CN202210722371.5A priority Critical patent/CN115056301A/en
Publication of CN115056301A publication Critical patent/CN115056301A/en
Pending legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27D—WORKING VENEER OR PLYWOOD
    • B27D1/00—Joining wood veneer with any material; Forming articles thereby; Preparatory processing of surfaces to be joined, e.g. scoring
    • B27D1/04—Joining wood veneer with any material; Forming articles thereby; Preparatory processing of surfaces to be joined, e.g. scoring to produce plywood or articles made therefrom; Plywood sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27D—WORKING VENEER OR PLYWOOD
    • B27D1/00—Joining wood veneer with any material; Forming articles thereby; Preparatory processing of surfaces to be joined, e.g. scoring
    • B27D1/04—Joining wood veneer with any material; Forming articles thereby; Preparatory processing of surfaces to be joined, e.g. scoring to produce plywood or articles made therefrom; Plywood sheets
    • B27D1/08—Manufacture of shaped articles; Presses specially designed therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
    • B27N3/00—Manufacture of substantially flat articles, e.g. boards, from particles or fibres
    • B27N3/02—Manufacture of substantially flat articles, e.g. boards, from particles or fibres from particles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B21/00—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board
    • B32B21/02—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board the layer being formed of fibres, chips, or particles, e.g. MDF, HDF, OSB, chipboard, particle board, hardboard
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • B32B3/02—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions
    • B32B3/08—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions characterised by added members at particular parts
    • B32B3/085—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions characterised by added members at particular parts spaced apart pieces on the surface of a layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
    • B32B3/263—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by a layer having non-uniform thickness
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
    • B32B9/02—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising animal or vegetable substances, e.g. cork, bamboo, starch
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
    • B32B9/04—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B9/042—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material of wood
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
    • B32B9/04—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B9/047—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material made of fibres or filaments
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2255/00—Coating on the layer surface
    • B32B2255/02—Coating on the layer surface on fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2255/00—Coating on the layer surface
    • B32B2255/26—Polymeric coating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/10—Inorganic fibres
    • B32B2262/101—Glass fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/30—Properties of the layers or laminate having particular thermal properties
    • B32B2307/306—Resistant to heat
    • B32B2307/3065—Flame resistant or retardant, fire resistant or retardant
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/554—Wear resistance
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/726—Permeability to liquids, absorption
    • B32B2307/7265—Non-permeable
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/764—Insect repellent
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/91—Use of waste materials as fillers for mortars or concrete

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Manufacturing & Machinery (AREA)
  • Forests & Forestry (AREA)
  • Ceramic Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Chemical And Physical Treatments For Wood And The Like (AREA)

Abstract

The invention discloses a functional shaving board which comprises a substrate, wherein insect-proof layers are arranged on the upper surface and the lower surface of the substrate, the insect-proof layers are connected with fire-proof layers, the fire-proof layers are connected with waterproof layers, and the waterproof layers are connected with wear-resistant layers. The beneficial effects of the invention are: through be provided with protection against insects layer about the base plate, can prevent that the worm from causing the damage to the base plate to increase of service life can reduce the shaving board surface through the wearing layer and be scratched.

Description

Functional shaving board and preparation method thereof
Technical Field
The invention relates to the technical field of particle board research and development, in particular to a functional particle board and a preparation method thereof.
Background
Uncaria rhynchophylla (Miq.) Miq. exHavil, also called as Uncaria, Chinese ivy and eagle claw gambir, etc., is a traditional Chinese medicine material in the Rubiaceae family, and has the functions of treating hypertension and apoplexy and improving cognition. Guizhou province is suitable according to local conditions, and is used as a characteristic industry to plant a large number of uncaria in nearly 30 counties such as southeast Qian, southeast Qian and northern Qian, and in the uncaria harvesting process, a large number of branches are generated, 1 kg of uncaria is harvested according to incomplete statistics, and at least 10 kg of uncaria waste (branches, stems and the like) is generated.
Particle boards, particle boards and bagasse boards, which are artificial boards made of wood or other lignocellulosic materials and glued under heat and pressure after adhesive is applied, are mainly used for furniture manufacture. The existing shaving boards are generally adhered together by glue extrusion, and the phenomenon that each board layer is displaced easily occurs in the extrusion process; and the shaving board is easy to contact with mildew and rot fungi, mildew occurs, and the shaving board is damaged due to the fact that the shaving board is damaged by worm damage, so that the shaving board is not beneficial to use of people.
At present, a shaving board preparation method in the prior art generally comprises the procedures of raw material preparation, drying and screening, sizing, forming, prepressing and hot pressing, and the existing processing method can cause much air remaining in a board blank and influence the heat transfer rate in the hot pressing process.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a functional shaving board and a preparation method thereof.
The purpose of the invention is realized by the following technical scheme: the utility model provides a functional type shaving board, includes the base plate, and the upper and lower face of base plate all is provided with the protection against insects layer, and the protection against insects layer all is connected with the flame retardant coating, and the flame retardant coating all is connected with the waterproof layer, and the waterproof layer all is connected with the wear-resisting layer.
Preferably, the upper and lower surface of base plate all is provided with a plurality of strengthening ribs, all corresponds on protection against insects layer, flame retardant coating, waterproof layer and the wearing layer and has seted up the through-hole, and the strengthening rib passes and corresponds the through-hole, and the tip of strengthening rib is located the wearing layer.
Preferably, be provided with the wave recess between base plate and the protection against insects layer, also be provided with the wave recess between protection against insects layer and the flame retardant coating, also be provided with the wave recess between flame retardant coating and the waterproof layer, also be provided with the wave recess between waterproof layer and the wearing layer.
Preferably, the insect-proof layer is a hooked rattan layer.
Preferably, the fire-proof layer is a glass fiber cloth layer.
Preferably, the water-proof layer is a phenolic resin coating.
A method for preparing a functional shaving board comprising any one of the above-mentioned methods, further comprising the steps of:
s1: preparing raw materials: selecting wood processing residues as raw materials of the substrate and the insect-proof layer, and planing by using a planing machine to obtain corresponding wood shavings;
s2: drying the wood shavings: putting the wood shavings into a dryer for drying, wherein the water content of the dried wood shavings is 1.5-3%;
s3: wood shaving and glue applying: gluing the substrate, the insect-proof layer, the fireproof layer, the waterproof layer and the wear-resistant layer, and gluing the outer surface of the reinforcing rib;
s4: molding: the bottom of the reinforcing rib is paved on the substrate, and each glued plate is paved on two sides of the substrate in the sequence of the insect-proof layer, the fireproof layer, the waterproof layer and the wear-resistant layer to form a plate blank and is pre-pressed;
s5: hot pressing: heating an upper pressing plate and a lower pressing plate of a multifunctional hot press to a required hot pressing temperature of 130-160 ℃, putting the pre-pressed plate blank on the pressing plates in a pressure control mode, quickly closing, quickly pressurizing to 2.0-3.0 MPa within 2s, after 2-3 min of pressure maintaining, releasing the pressure to 0.5-1.0 MPa within 5s, releasing the pressure to ensure that the foaming adhesive is decomposed to generate gas, so that the foaming adhesive is quickly foamed, maintaining the pressure for 0.5-1 min, then re-pressurizing to 1.5-2.0 MPa within 2s, compressing the plate blank to a target thickness, maintaining the pressure for 1.5-2.5 min, finally releasing the pressure to 0MPa within 5s, and opening the hot press to prepare the functional shaving board;
s6: and (3) post-processing: and cooling the functional shaving board in the step S6, sanding, packaging and storing.
Preferably, the wood shavings and tree seeds adopted by the substrate are fir, and the air-dried density range of the tree seeds is 0.25-0.5 g/cm < 3 >.
Preferably, in S3, sizing is performed by using a modified urea formaldehyde resin foaming adhesive with a solid content of 58%.
Preferably, the rotation speed of the flaker in S1 is 20-40 rpm; the sharpening angle of the knife is 20-40 degrees.
The invention has the following advantages:
1. according to the invention, the insect-proof layers are arranged on the upper surface and the lower surface of the base plate, so that the base plate can be prevented from being damaged by insects, the service life is prolonged, and the surface of the shaving board can be prevented from being scratched by the wear-resistant layers.
2. According to the invention, by adopting a hot pressing process of pressurization-pressure relief-pressure maintaining-pressurization-pressure maintaining-pressure relief, the foaming adhesive is decomposed to generate gas, so that the fluidity of the adhesive system is increased, the foaming adhesive system is rapidly foamed and filled in gaps among the plate layers, the wood shavings are firmly bonded together, good contact is formed among the plate layers, the adhesive and the plate layers, and a uniform pore structure is formed inside the shaving board, so that the necessary bonding strength of the shaving board is ensured.
Drawings
FIG. 1 is a schematic structural view of a functional shaving board;
in the figure, 1-a substrate, 2-an insect prevention layer, 3-a fireproof layer, 4-a waterproof layer, 5-a wear-resistant layer, 6-a wave groove and 7-a reinforcing rib.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without inventive efforts based on the embodiments of the present invention, are within the scope of protection of the present invention.
In addition, the embodiments of the present invention and the features of the embodiments may be combined with each other without conflict.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, or orientations or positional relationships that the products of the present invention conventionally lay out when in use, or orientations or positional relationships that are conventionally understood by those skilled in the art, which are merely for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In this embodiment, as shown in fig. 1, a functional shaving board is characterized in that: including base plate 1, all be provided with protection against insects layer 2 about base plate 1, protection against insects layer 2 all is connected with flame retardant coating 3, and flame retardant coating 3 all is connected with waterproof layer 4, and waterproof layer 4 all is connected with wearing layer 5. Through be provided with protection against insects layer 2 on the lower surface at base plate 1, can prevent that the worm from causing the damage to base plate 1 to increase of service life can reduce the shaving board surface through wearing layer 5 and be scratched.
Further, the upper and lower surface of base plate 1 all is provided with a plurality of strengthening ribs 7, all corresponds on protection against insects layer 2, flame retardant coating 3, waterproof layer 4 and the wearing layer 5 and has seted up the through-hole, and strengthening rib 7 passes and corresponds the through-hole, and the tip of strengthening rib 7 is located wearing layer 5. Specifically, the reinforcing ribs 7 sequentially penetrate through the insect-proof layer 2, the fireproof layer 3 and the waterproof layer 4, so that the structural strength of the shaving board can be enhanced; and the reinforcing ribs 7 also play a role in positioning, and can prevent the plate layers from shifting during extrusion forming through matching with through holes in the insect-proof layer 2, the fireproof layer 3, the waterproof layer 4 and the wear-resistant layer 5.
In this embodiment, be provided with wave recess 6 between base plate 1 and the protection against insects layer 2, also be provided with wave recess 6 between protection against insects layer 2 and the flame retardant coating 3, also be provided with wave recess 6 between flame retardant coating 3 and the waterproof layer 4, also be provided with wave recess 6 between waterproof layer 4 and the wearing layer 5. Specifically, the wave groove 6 has two main functions, one of which is that the wave groove 6 can contain an adhesive, so that the connection strength between the board layers can be improved; secondly, the wave-shaped grooves 6 can increase the friction force between the adjacent plate layers, so that the adjacent plate layers are prevented from moving relatively during extrusion forming, and the fixing strength is ensured.
In this embodiment, the insect-proof layer 2 is a hook rattan layer. Specifically, the main chemical components of the uncaria are alkaloids, triterpenes and flavonoids, most of the alkaloids have obvious insecticidal action, and the terpene compounds and flavonoids have the effects of oxidation resistance, insect prevention, bacteria resistance and the like; in addition, the uncaria branch skin contains natural polyphenol compounds, has the effects of corrosion prevention, bacteria inhibition and the like, the uncaria branch skin can replace a mode of preventing wood from insect prevention by adopting chemical reagents by arranging the uncaria branch layers on the upper surface and the lower surface of the base plate 1, and the uncaria branch waste is secondarily utilized, so that the resource waste is avoided.
Furthermore, the fireproof layer 3 is a glass fiber cloth layer, the flame retardant effect of the glass fiber cloth is good, the combustion speed of the shaving board can be reduced, the waterproof layer 4 is a phenolic resin coating, and the wear-resistant layer 5 is an existing wear-resistant material.
A method of making a functional shaving board comprising any one of the above, further comprising the steps of:
s1: preparing raw materials: selecting wood processing residues as raw materials of the substrate 1 and the insect-proof layer 2, and planing by using a flaker to obtain corresponding shavings; preferably, the rotation speed of the flaker is 20-40 rpm; the sharpening angle of the knife is 20-40 degrees. The invention can avoid the cutter abrasion in the slicing process through reasonable cutter parameter setting.
S2: drying the wood shavings: putting the wood shavings into a dryer for drying, wherein the water content of the dried wood shavings is 1.5-3%; specifically, the drying temperature is preferably 160 ℃ or lower, and more preferably 90 to 110 ℃.
S3: wood shaving and glue applying: gluing the substrate 1, the insect-proof layer 2, the fireproof layer 3, the waterproof layer 4 and the wear-resistant layer 5, and gluing the outer surface of the reinforcing rib 7; preferably, the sizing is performed by a modified urea formaldehyde resin foaming adhesive with the solid content of 58 percent.
S4: molding: the bottoms of the reinforcing ribs 7 are paved on the substrate 1, and the glued plates are paved on two sides of the substrate 1 according to the sequence of the insect-proof layer 2, the fireproof layer 3, the waterproof layer 3 and the wear-resistant layer 5 to form a plate blank and are pre-pressed; specifically speaking, the gluing agent on the surface of the reinforcing rib 7 can contact with each plate in the prepressing process, and the modified urea-formaldehyde resin foaming gluing agent can be filled in the wave groove 6 in the prepressing process, so that the connecting strength between the plate layers can be improved. Preferably, the wood shavings used for the substrate 1 are fir, and the air-dried density of the wood is 0.25-0.5 g/cm 3.
S5: hot pressing: heating an upper pressing plate and a lower pressing plate of a multifunctional hot press to a required hot pressing temperature of 130-160 ℃, putting the pre-pressed plate blank on the pressing plates in a pressure control mode, quickly closing, quickly pressurizing to 2.0-3.0 MPa within 2s, after 2-3 min of pressure maintaining, releasing the pressure to 0.5-1.0 MPa within 5s, releasing the pressure to ensure that the foaming adhesive is decomposed to generate gas, so that the foaming adhesive is quickly foamed, maintaining the pressure for 0.5-1 min, then re-pressurizing to 1.5-2.0 MPa within 2s, compressing the plate blank to a target thickness, maintaining the pressure for 1.5-2.5 min, finally releasing the pressure to 0MPa within 5s, and opening the hot press to prepare the functional shaving board; by adopting the hot pressing process of pressurization-pressure relief-pressure maintaining-pressurization-pressure maintaining-pressure relief, the foaming adhesive is decomposed to generate gas, so that the fluidity of the adhesive system is increased, the foaming adhesive system is rapidly foamed and filled in gaps among the board layers, the wood shavings are firmly and fixedly combined together, good contact is formed among the board layers, the adhesive and the board layers, and a uniform pore structure is formed in the shaving board, so that the necessary bonding strength of the shaving board is ensured.
S6: and (3) post-processing: and cooling the functional shaving board in the step S5, sanding, packaging and storing.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.

Claims (10)

1. A functional shaving board is characterized in that: including base plate (1), the upper and lower face of base plate (1) all is provided with protection against insects layer (2), protection against insects layer (2) all are connected with flame retardant coating (3), flame retardant coating (3) all are connected with waterproof layer (4), waterproof layer (4) all are connected with wearing layer (5).
2. The functional shaving board of claim 1, wherein: the upper and lower surface of base plate (1) all is provided with a plurality of strengthening ribs (7), protection against insects layer (2) flame retardant coating (3) waterproof layer (4) with all correspond on wearing layer (5) and seted up the through-hole, strengthening rib (7) pass and correspond the through-hole, the tip of strengthening rib (7) is located in wearing layer (5).
3. A functional shaving board according to claim 2, wherein: the base plate (1) with be provided with wave recess (6) between protection against insects layer (2), protection against insects layer (2) with also be provided with between flame retardant coating (3) wave recess (6), flame retardant coating (3) with also be provided with between waterproof layer (4) wave recess (6), waterproof layer (4) with also be provided with between wearing layer (5) wave recess (6).
4. A functional shaving board according to claim 3, wherein: the insect-proof layer (2) is an uncaria layer.
5. The functional shaving board of claim 4, wherein: the fireproof layer (3) is a glass fiber cloth layer.
6. The functional shaving board of claim 5, wherein: the waterproof layer (4) is a phenolic resin coating.
7. A method of making, characterized by: a functional shaving board comprising the functional shaving board according to any one of claims 1 to 6, further comprising the steps of:
s1: preparing raw materials: selecting wood processing residues as raw materials of the substrate (1) and the insect-proof layer (2), and planing by using a flaker to obtain corresponding shavings;
s2: drying the wood shavings: putting the wood shavings into a dryer for drying, wherein the water content of the dried wood shavings is 1.5-3%;
s3: wood shaving and gluing: sizing the substrate (1), the insect-proof layer (2), the fire-proof layer (3), the waterproof layer (4) and the wear-resistant layer (5), and sizing the outer surface of the reinforcing rib (7);
s4: molding: the bottoms of the reinforcing ribs (7) are paved on the base plate (1), and the glued plates are paved on two sides of the base plate (1) according to the sequence of the insect-proof layer (2), the fireproof layer (3), the waterproof layer (3) and the wear-resistant layer (5) to form a plate blank and are pre-pressed;
s5: hot pressing: heating an upper pressing plate and a lower pressing plate of a multifunctional hot press to a required hot pressing temperature of 130-160 ℃, putting the pre-pressed plate blank on the pressing plates in a pressure control mode, quickly closing, quickly pressurizing to 2.0-3.0 MPa within 2s, after 2-3 min of pressure maintaining, releasing the pressure to 0.5-1.0 MPa within 5s, releasing the pressure to ensure that the foaming adhesive is decomposed to generate gas, so that the foaming adhesive is quickly foamed, maintaining the pressure for 0.5-1 min, then re-pressurizing to 1.5-2.0 MPa within 2s, compressing the plate blank to a target thickness, maintaining the pressure for 1.5-2.5 min, finally releasing the pressure to 0MPa within 5s, and opening the hot press to prepare the functional shaving board;
s6: and (3) post-processing: and cooling the functional shaving board in the S6, sanding, and packaging and storing.
8. A method of manufacturing according to claim 7, wherein: the wood shavings and tree species adopted by the substrate (1) are fir, and the air-dried density range of the tree species is 0.25-0.5 g/cm & lt 3 & gt.
9. A method of manufacturing according to claim 8, wherein: in the step S3, sizing is performed through a modified urea-formaldehyde resin foaming adhesive with the solid content of 58%.
10. A method of manufacturing according to claim 9, wherein: the rotation speed of the flaker in the S1 is 20-40 rpm; the sharpening angle of the knife is 20-40 degrees.
CN202210722371.5A 2022-06-17 2022-06-17 Functional shaving board and preparation method thereof Pending CN115056301A (en)

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CN215620525U (en) * 2021-09-10 2022-01-25 福建禾林家居用品有限公司 High-strength anti-cracking bamboo board for building material products
CN216373624U (en) * 2021-11-22 2022-04-26 邵武市家园木艺有限公司 Mould-proof multilayer composite bamboo board for building material set product

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* Cited by examiner, † Cited by third party
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JP2008297306A (en) * 2008-07-02 2008-12-11 Japan Enviro Chemicals Ltd Wood preservative
CN105799232A (en) * 2016-03-18 2016-07-27 长沙中瞿新材料科技有限公司 Composite plate
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CN215620525U (en) * 2021-09-10 2022-01-25 福建禾林家居用品有限公司 High-strength anti-cracking bamboo board for building material products
CN216373624U (en) * 2021-11-22 2022-04-26 邵武市家园木艺有限公司 Mould-proof multilayer composite bamboo board for building material set product

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