CN114670535B - Manufacturing method of composite board capable of enhancing compression resistance - Google Patents
Manufacturing method of composite board capable of enhancing compression resistance Download PDFInfo
- Publication number
- CN114670535B CN114670535B CN202210375134.6A CN202210375134A CN114670535B CN 114670535 B CN114670535 B CN 114670535B CN 202210375134 A CN202210375134 A CN 202210375134A CN 114670535 B CN114670535 B CN 114670535B
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- composite board
- mixture
- flattening
- manufacturing
- extension parts
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- 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
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
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- 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
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/06—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
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- 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
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
- B32B37/1284—Application of adhesive
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- 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
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/14—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers
- B32B37/15—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with at least one layer being manufactured and immediately laminated before reaching its stable state, e.g. in which a layer is extruded and laminated while in semi-molten state
- B32B37/156—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with at least one layer being manufactured and immediately laminated before reaching its stable state, e.g. in which a layer is extruded and laminated while in semi-molten state at least one layer is calendered and immediately laminated
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- 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
- B32B2307/558—Impact strength, toughness
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- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Dry Formation Of Fiberboard And The Like (AREA)
- Laminated Bodies (AREA)
Abstract
The invention discloses a manufacturing method of a composite board capable of enhancing compression resistance, which comprises the following steps: comprises flexible braid, panel, backboard, plant scraps particles and adhesive; weaving a plurality of flexible braids into a rectangular base sheet according to warps and wefts, and reserving extension parts of the flexible braids around the base sheet; the extending part of the flexible braid is folded upwards along the edge of the substrate sheet until the extending part is vertical to the substrate sheet, so as to form a rectangular bottom frame; filling the mixture of the plant scraps particles mixed with the adhesive into a bottom frame and flattening, then inwards folding the extension parts of the flexible braid at intervals and tightly attaching the extension parts to the surface of the mixture, and flattening by a pressing machine to obtain a first particle layer; pouring the mixture on the first particle layer surface and flattening, and then inwards folding the extension parts of the residual flexible braid at intervals and tightly attaching the extension parts to the mixture surface; flattening by a pressing machine to obtain a second particle layer; the steps are circulated until the required number of layers is completed, and the multi-layer core board is obtained; and (3) gluing the panel and the backboard on the upper surface and the lower surface of the multi-layer core board, and pressing by a pressing machine to form the new composite board.
Description
Technical Field
The invention relates to the technical field of composite board processing, in particular to a manufacturing method of a composite board capable of enhancing compression resistance.
Background
The composite board is a board formed by layering different materials, and the physical characteristics of the different materials are utilized to jointly form the composite board with excellent quality so as to meet the requirements of the current market on the strength, fire resistance, water resistance and the like of the board. At present, in industries such as furniture, interior decoration and the like, composite board materials are used in a large amount, however, the existing composite boards generally only consider the strength, so that the toughness of the composite boards is insufficient, the obvious distortion and even fracture of the boards can be caused under long-term stress, and the use is influenced, and potential safety hazards exist. The problems of easy deformation, poor bending strength and the like of the existing composite board seriously plague the further development of the composite board industry.
Disclosure of Invention
Aiming at the technical problems of easy deformation and poor bending strength of the existing composite board, the invention provides a manufacturing method of the composite board capable of enhancing the compression resistance, which has high strength, strong toughness and difficult deformation and fracture.
In order to achieve the above purpose, the present application provides the following technical solutions:
the application designs a manufacturing method of a composite board capable of enhancing compression resistance, which comprises the following implementation steps:
a. preparation: flexible braid, face sheet, back sheet, plant chip particles, and binder;
b. according to the size requirement of the composite board, a plurality of flexible braids are knitted into a rectangular base sheet according to the warp and weft, and extension parts of the flexible braids are reserved around the base sheet;
c. the extending part of the flexible braid is folded upwards along the edge of the substrate sheet until the extending part is vertical to the substrate sheet, so as to form a rectangular bottom frame;
d. filling the mixture of the plant scraps particles mixed with the adhesive into a bottom frame and flattening, then inwards folding the extension parts of the flexible braid at intervals and tightly attaching the extension parts to the surface of the mixture, and flattening by a pressing machine to obtain a first particle layer;
e. pouring the mixture on the first particle layer surface and flattening, and then inwards folding the extension parts of the residual flexible braid at intervals and tightly attaching the extension parts to the mixture surface; flattening by a pressing machine to obtain a second particle layer;
f. and e, circulating the step until the required number of layers is completed, and obtaining the multi-layer core board;
g. and (3) gluing the panel and the backboard on the upper surface and the lower surface of the multi-layer core board, and pressing by a pressing machine to form the new composite board.
Due to the adoption of the processing method, the composite board is formed by combining the panel backboard and the multi-layer core board, the core board is formed by flattening the extending parts of the multi-layer flexible braiding strips, the base sheet and the extending parts are of an integral extending structure, the base sheet and the extending parts are mixed into a whole with the mixture to play a role of reinforcing steel bars and concrete to be interweaved together, the aggregation and the adhesive force between the base sheet and plant chip particles are enhanced, and the strength and the toughness of the composite board are enhanced, so that the compression resistance, the toughness and the impact resistance are greatly improved.
In order to better realize the aim of the invention, the invention also has the following better technical scheme:
in some embodiments, thin bamboo strips, rattan, nylon or plastic strips, etc. may be selected as the flexible braid according to the material source difficulty and flexibility requirements.
In some embodiments, the substrate sheet may be either densely woven or sparsely woven, depending on design requirements.
In some embodiments, the plant chip sources are broad and environmentally friendly, particularly bamboo or wood chips, so the plant chip particles employ bamboo or wood chips. The wood board or the bamboo board is firm and durable, so the panel and the backboard adopt the wood board or the bamboo board.
In some embodiments, the plant scraps particles are crushed into pieces with the diameter of 30-60 mm, and then the pieces are put into 25-30% hydrochloric acid solution for soaking for 2 hours, fished out and heated to 60-90 ℃ for heat preservation for 1-3 hours, and then dried and sterilized.
In some embodiments, the pressing time of the pressing machine is 20-30 min, the unit pressure is 1-1.2 MPa, and the temperature is more than or equal to 100 ℃.
Drawings
Fig. 1 is a schematic structural view of a composite board capable of enhancing compression resistance according to an embodiment of the present invention;
FIG. 2 is a schematic view of the structure of a multi-layered core panel in a composite panel with enhanced crush resistance;
FIG. 3 is a schematic illustration of a process for making a multi-layer core panel in a composite panel that enhances crush resistance;
reference numerals:
1. a flexible braid; 11. a substrate sheet; 12. an extension; 100. a multi-layer core board; 101. a first particle layer; 102. a second particle layer; 103. a third particle layer; 2. a panel; 3. a back plate.
Detailed Description
The present application is described in further detail below with reference to examples.
Referring to fig. 1-3; the application discloses a manufacturing method of a composite board capable of enhancing compression resistance, which comprises the following implementation steps:
a plurality of bamboo strips or rattan strips or nylon or plastic strips are prepared to be used as flexible braiding strips 1, a panel 2 and a backboard 3 of bamboo or wood raw materials, a plurality of bamboo or wood chip particles and an adhesive, firstly, the bamboo or wood chip particles are crushed into pieces with the diameter of 30-60 mm, then the pieces are put into 25-30% hydrochloric acid solution for soaking for 2 hours, and then the pieces are fished out and heated to 60-90 ℃ for heat preservation for 1-3 hours, and drying and sterilization treatment are carried out for standby. According to the size requirement of the composite board, the flexible braid 1 is woven into a rectangular base sheet 11 according to the warp and weft, the size of the base sheet 11 is consistent with that of the face plate 2 and the back plate 3, in some embodiments, the base sheet 11 can be densely woven or sparsely woven according to the setting requirement, the extending parts 12 of the flexible braid 1 are reserved around the base sheet 11, and the extending parts 12 of the flexible braid 1 are folded upwards along the edges of the base sheet 11 until the extending parts 12 are vertical to the base sheet 11, so that a rectangular bottom frame is formed; mixing the dried and sterilized bamboo or wood chip particles with an adhesive to form a mixture, filling the mixture into a bottom frame, flattening the mixture, inwards folding the extension part 12 of the flexible braid 1 at intervals of 2, 3, 4 or 5, and tightly attaching the extension part to the surface of the mixture, pressing the mixture for 20-30 min by using a pressing machine for 1-1.2 MPa, and flattening the mixture at 90, 95 and 100 ℃ to obtain a first particle layer 101; then pouring the mixture into the surface of the first granular layer 101 again and flattening, and then inwards folding the extension part 12 of the residual flexible braid 1 according to the interval 2 or 3 or 4 to cling to the surface of the mixture; pressing for 20-30 min with a pressing machine at a unit pressure of 1-1.2 MPa and a temperature of 90, 95 and 100 ℃ to obtain a second particle layer 102 after flattening; then, the mixture is poured onto the surface of the second particle layer 102 again and flattened, and then the extension portions 12 of the remaining flexible braid 1 are folded inwards at intervals or all the time and are tightly attached to the surface of the mixture, so as to obtain a third particle layer 103, and the steps are circulated according to the design requirement until the required number of layers is completed, so as to obtain the multi-layer core board 100, wherein the number of particle layers can be two or three or four or more according to the requirement, and the preferred particle layers are three in this embodiment. The interval between the extension parts 12 of each layer of flexible braid 1 is determined according to the designed layer number calculation, and finally the panel 2 and the back panel 3 are glued on the upper surface and the lower surface of the multi-layer core board 100, and are pressed for 20-30 min by a pressing machine, the unit pressure is 1-1.2 MPa, and the temperature is 90, 95 and 100 ℃ to form a new composite board.
What has been described above is merely some embodiments of the present invention. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit of the invention.
Claims (7)
1. A method of manufacturing a composite panel having enhanced crush resistance, comprising the steps of:
a. preparation: flexible braid, face sheet, back sheet, plant chip particles, and binder;
b. according to the size requirement of the composite board, a plurality of flexible braids are knitted into a rectangular base sheet according to the warp and weft, and extension parts of the flexible braids are reserved around the base sheet;
c. folding the extension part of the flexible braid upwards along the edge of the substrate sheet until the extension part is vertical to the substrate sheet, and forming a rectangular bottom frame;
d. filling the mixture of the plant scraps particles mixed with the adhesive into a bottom frame and flattening, then inwards folding the extension parts of the flexible braid at intervals and tightly attaching the extension parts to the surface of the mixture, and flattening by a pressing machine to obtain a first particle layer;
e. pouring the mixture on the first particle layer surface and flattening, and then inwards folding the extension parts of the residual flexible braid at intervals and tightly attaching the extension parts to the mixture surface; flattening by a pressing machine to obtain a second particle layer;
f. and e, circulating the step until the required number of layers is completed, and obtaining the multi-layer core board;
g. and (3) gluing the panel and the backboard on the upper surface and the lower surface of the multi-layer core board, and pressing by a pressing machine to form the new composite board.
2. The method for manufacturing a composite board capable of enhancing compression resistance according to claim 1, wherein the flexible braid is made of thin bamboo strips, rattan or nylon strips.
3. The method of manufacturing a composite panel according to claim 1, wherein the substrate sheet is a densely woven or sparsely woven substrate sheet.
4. The method for manufacturing a composite board capable of enhancing compression resistance according to claim 1, wherein the plant dust particles are bamboo or wood dust.
5. The method of manufacturing a composite board having enhanced compression resistance according to claim 1, wherein the face plate and the back plate are wood or bamboo plates.
6. The method for manufacturing the composite board capable of enhancing the compression resistance according to claim 1, wherein the plant scraps particles are crushed into pieces with the diameter of 30-60 mm, the pieces are put into 25-30% hydrochloric acid solution for soaking for 2 hours, and then the pieces are fished out and heated to 60-90 ℃ for heat preservation for 1-3 hours, and then are dried and sterilized.
7. The method for manufacturing a composite board capable of enhancing compression resistance according to claim 1, wherein the pressing time of the pressing machine is 20-30 min, the unit pressure is 1-1.2 MPa, and the temperature is not less than 100 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210375134.6A CN114670535B (en) | 2022-04-11 | 2022-04-11 | Manufacturing method of composite board capable of enhancing compression resistance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210375134.6A CN114670535B (en) | 2022-04-11 | 2022-04-11 | Manufacturing method of composite board capable of enhancing compression resistance |
Publications (2)
| Publication Number | Publication Date |
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| CN114670535A CN114670535A (en) | 2022-06-28 |
| CN114670535B true CN114670535B (en) | 2023-08-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210375134.6A Active CN114670535B (en) | 2022-04-11 | 2022-04-11 | Manufacturing method of composite board capable of enhancing compression resistance |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106042105A (en) * | 2016-07-15 | 2016-10-26 | 江西达森家私有限公司 | Pine and bamboo particle recombination board and manufacturing method thereof |
| CN206011327U (en) * | 2016-07-15 | 2017-03-15 | 江西达森家私有限公司 | Loose bamboo particle recombination plates |
| CN110861186A (en) * | 2019-12-03 | 2020-03-06 | 台州学院 | Method for manufacturing high-toughness plate by using wood fiber |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001334509A (en) * | 2000-05-29 | 2001-12-04 | Shimizu Corp | Bamboo net reinforced wood chip board |
| US20100239829A1 (en) * | 2006-10-23 | 2010-09-23 | Ying-Sung Chou | Method for Manufacturing Bamboo Decorative Sheet and Bamboo Decorative Sheet thereof |
| US20130316126A1 (en) * | 2012-05-04 | 2013-11-28 | Padana Ag | Core layer having stick-like elements and multi-layered composite containing the core layer |
| CN104275866A (en) * | 2014-09-13 | 2015-01-14 | 江阴市上丰纺织有限公司 | Deodorant and sun-proof lace and woolen fabric composite fabric |
| CN205033325U (en) * | 2015-04-10 | 2016-02-17 | 刘君 | Reed bamboo panel |
| PL3325239T3 (en) * | 2015-07-23 | 2022-09-19 | 3RT Holding Pty Ltd. | Manufactured wood products and methods of production |
| CN105971224A (en) * | 2016-06-14 | 2016-09-28 | 浙江永裕竹业股份有限公司 | Composite bamboo floor and preparing method thereof |
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2022
- 2022-04-11 CN CN202210375134.6A patent/CN114670535B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106042105A (en) * | 2016-07-15 | 2016-10-26 | 江西达森家私有限公司 | Pine and bamboo particle recombination board and manufacturing method thereof |
| CN206011327U (en) * | 2016-07-15 | 2017-03-15 | 江西达森家私有限公司 | Loose bamboo particle recombination plates |
| CN110861186A (en) * | 2019-12-03 | 2020-03-06 | 台州学院 | Method for manufacturing high-toughness plate by using wood fiber |
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| Publication number | Publication date |
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| CN114670535A (en) | 2022-06-28 |
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