CN114670535A - Manufacturing method of composite board capable of enhancing compression resistance - Google Patents
Manufacturing method of composite board capable of enhancing compression resistance Download PDFInfo
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- CN114670535A CN114670535A CN202210375134.6A CN202210375134A CN114670535A CN 114670535 A CN114670535 A CN 114670535A CN 202210375134 A CN202210375134 A CN 202210375134A CN 114670535 A CN114670535 A CN 114670535A
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- flexible
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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)
- Laminated Bodies (AREA)
- Dry Formation Of Fiberboard And The Like (AREA)
Abstract
The invention discloses a manufacturing method of a composite board capable of enhancing pressure resistance, which comprises the following steps: comprises a flexible braid, a panel, a back plate, plant debris particles and an adhesive; weaving a plurality of flexible strips into a rectangular base sheet according to warps and wefts, and reserving extension parts of the flexible strips at the periphery of the base sheet; folding the extending part of the flexible braid upwards along the edge of the substrate sheet until the extending part is vertical to the substrate sheet to form a rectangular bottom frame; filling a mixture of plant chip particles mixed with a binder into the bottom frame and flattening, then pressing and folding the extending parts of the flexible braided strips inwards at intervals and tightly attaching to the surface of the mixture, and flattening by using a pressing machine to obtain a first particle layer; pouring the mixture on the first particle layer and flattening, and then pressing and folding the extension parts of the remaining flexible braided strips inwards at intervals and tightly attaching the extension parts to the surface of the mixture; flattening by a pressing machine to obtain a second particle layer; the steps are circulated until the required layer number is completed, and the multilayer core board is obtained; the face plate and the back plate are glued on the upper surface and the lower surface of the multi-layer core plate and are pressed by a pressing machine to form a new composite plate.
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 a combined board with excellent quality so as to meet the requirements of the existing market on the strength, the fire resistance, the waterproofness 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 strength of the existing composite board is generally only considered, so that the toughness of the composite board is insufficient, the obvious distortion and deformation of the board can be caused under long-term stress, even the fracture condition occurs, the use is influenced, and potential safety hazards also exist. The existing composite board has the problems of easy deformation, poor bending strength and the like, which seriously troubles 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 a composite board capable of enhancing the compression resistance, which has high strength and strong toughness and is not easy to deform and break.
In order to achieve the purpose, the application provides the following technical scheme:
the application designs a manufacturing method of a composite board capable of enhancing pressure resistance, which comprises the following implementation steps:
a. preparing: flexible strips, panels, back panels, plant debris particles and adhesive;
b. according to the size requirement of the composite board, weaving a plurality of flexible strips into a rectangular substrate sheet according to warps and wefts, and reserving extension parts of the flexible strips at the periphery of the substrate sheet;
c. folding the extending part of the flexible braid upwards along the edge of the substrate sheet until the extending part is vertical to the substrate sheet to form a rectangular bottom frame;
d. filling a mixture of plant chip particles mixed with a binder into the bottom frame and flattening, then pressing and folding the extending parts of the flexible braided strips inwards at intervals and tightly attaching to the surface of the mixture, and flattening by using a pressing machine to obtain a first particle layer;
e. pouring the mixture on the first particle layer and flattening, and then pressing and folding the extension parts of the remaining flexible braided strips inwards at intervals and tightly attaching the extension parts to the surface of the mixture; flattening by a pressing machine to obtain a second particle layer;
f. e, circulating the step e until the required number of layers is finished to obtain the multilayer core board;
g. the face plate and the back plate are glued on the upper surface and the lower surface of the multi-layer core plate and are pressed by a pressing machine to form a new composite plate.
By adopting the processing method, the composite board is formed by combining the panel back plate and the multiple layers of core plates, the core plates are formed by flattening the multiple layers of extending parts containing the flexible braided strips, the substrate sheets and the extending parts are of an integral extending structure and are mixed with the mixture into a whole to play a role of interweaving the reinforcing steel bars and the concrete, the coagulation and the adhesive force between the reinforcing steel bars and the plant scrap particles are enhanced, the strength and the toughness of the composite board are enhanced, and therefore the compression resistance, the toughness and the shock resistance are greatly improved.
In order to better realize the purpose of the invention, the invention also has the following better technical scheme:
in some embodiments, according to the requirements of the material source, the flexibility and the like, bamboo strips, rattans, nylon or plastic strips and the like can be selected as the flexible braided strips.
In some embodiments, the substrate sheet may be densely woven or loosely woven, depending on design requirements.
In some embodiments, the plant dust is widely and environmentally friendly, and in particular bamboo or wood dust, and the plant dust particles are bamboo or wood dust. The wood board or the bamboo board is firm and durable, so the panel and the back board are made of the wood board or the bamboo board.
In some embodiments, the plant debris particles are crushed into 30-60 mm fragments, and then the fragments are soaked in 25-30% hydrochloric acid solution for 2 hours, fished out, heated to 60-90 ℃, and subjected to heat preservation for 1-3 hours, drying and sterilization.
In some embodiments, the pressing machine presses each particle layer for 20-30 min at a unit pressure of 1-1.2 MPa and a temperature of 100 ℃.
Drawings
FIG. 1 is a schematic structural view of a composite panel with enhanced compressive resistance according to an embodiment of the present invention;
FIG. 2 is a schematic view of a multi-layer core panel in a composite panel having enhanced crush resistance;
FIG. 3 is a schematic view of a process for making a multi-layer core panel for a composite panel having enhanced crush resistance;
reference numerals:
1. flexible braiding; 11. a substrate sheet; 12. an extension portion; 100. a multilayer core board; 101. a first layer of particles; 102. a layer of second particles; 103. a third particulate layer; 2. a panel; 3. a back plate.
Detailed Description
The present application will be described in further detail with reference to examples.
Referring to FIGS. 1-3; the application discloses a manufacturing method of a composite board capable of enhancing compression resistance, which comprises the following implementation steps of:
preparing a plurality of bamboo thin bamboo strips or rattans or nylon or plastic strips and the like as flexible braided strips 1, a panel 2 and a back plate 3 of bamboo or wood raw materials, a plurality of bamboo or wood chip particles and an adhesive, firstly crushing the bamboo or wood chip particles into 30-60 mm fragments, then putting the fragments into a 25-30% hydrochloric acid solution for soaking for 2h, fishing out, heating to 60-90 ℃, preserving heat for 1-3 h, and carrying out drying and sterilizing treatment for later use. According to the size requirement of the composite board, weaving the flexible braid 1 into a rectangular base sheet 11 according to warp and weft, wherein the size of the base sheet 11 is consistent with that of the panel 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 extension part 12 of the flexible braid 1 is reserved on the periphery of the base sheet 11, and the extension part 12 of the flexible braid 1 is folded upwards along the edge of the base sheet 11 until the extension part 12 is vertical to the base sheet 11, so that a rectangular bottom frame is formed; mixing the dried and sterilized bamboo or wood dust particles with an adhesive to form a mixture, filling the mixture into a bottom frame, flattening, then inwards folding the extending parts 12 of the flexible braided strip 1 at intervals of 2 or 3 or 4 or 5 and tightly adhering the folded extending parts to the surface of the mixture, pressing the mixture by using a pressing machine for 20-30 min, wherein the unit pressure is 1-1.2 MPa, the temperature is 90, 95 and 100 ℃, and flattening to obtain a first particle layer 101; then pouring the mixture on the surface of the first particle layer 101 and flattening, and then pressing and folding the extension parts 12 of the residual flexible braided strips 1 inwards at intervals of 2, 3 or 4 and clinging to the surface of the mixture; pressing for 20-30 min by using a pressing machine, wherein the unit pressure is 1-1.2 MPa, the temperature is 90, 95 and 100 ℃, and the second particle layer 102 is obtained after flattening; then, the mixture is poured onto the surface of the second particle layer 102 and flattened, then the extension parts 12 of the remaining flexible braided strips 1 are pressed inwards at intervals or completely and tightly attached to the surface of the mixture, a third particle layer 103 is obtained according to the steps, the steps are cycled according to the design requirements until the required number of layers is completed, and the multilayer core board 100 is obtained, wherein the number of the particle layers can be two or three or four or more, and the preferred particle layer in the embodiment is three. The number of the extending parts 12 of each layer of the flexible braids 1 at intervals is determined according to the number of designed layers, finally, the panel 2 and the back plate 3 are glued on the upper surface and the lower surface of the multilayer core plate 100, and the new composite plate is formed after the composite plate is 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 ℃.
What has been described above are merely some embodiments of the present invention. It will be apparent to those skilled in the art that various changes and modifications can be made without departing from the inventive concept thereof, and these changes and modifications can be made without departing from the spirit and scope of the invention.
Claims (7)
1. A method for manufacturing a composite panel with increased compression resistance, characterized in that it comprises the following steps:
a. preparing: flexible braid, panel, back plate, plant bits granule and adhesive;
b. according to the size requirement of the composite board, weaving a plurality of flexible strips into a rectangular substrate sheet according to warps and wefts, and reserving extension parts of the flexible strips at the periphery of the substrate sheet;
c. folding the extending part of the flexible braid upwards along the edge of the substrate sheet until the extending part is vertical to the substrate sheet and forming a rectangular bottom frame;
d. filling a mixture of plant chip particles mixed with a binder into the bottom frame and flattening, then pressing and folding the extending parts of the flexible braided strips inwards at intervals and tightly attaching to the surface of the mixture, and flattening by using a pressing machine to obtain a first particle layer;
e. pouring the mixture on the first particle layer and flattening, and then pressing and folding the extension parts of the remaining flexible braided strips inwards at intervals and tightly attaching the extension parts to the surface of the mixture; flattening by a pressing machine to obtain a second particle layer;
f. e, circulating the step e until the required number of layers is finished to obtain the multilayer core board;
g. the face plate and the back plate are glued on the upper surface and the lower surface of the multi-layer core plate and are pressed by a pressing machine to form a new composite plate.
2. The method for manufacturing a composite board capable of enhancing the compression resistance according to claim 1, wherein the flexible braided strip is a bamboo strip, a rattan strip, nylon or a plastic strip.
3. The method of manufacturing a composite panel capable of enhancing crush resistance as claimed in claim 1, wherein the substrate sheet is a densely woven or loosely woven substrate sheet.
4. The method of manufacturing a composite panel capable of enhancing a compression resistance as claimed in claim 1, wherein the plant chip particles are bamboo or wood chips.
5. The method of claim 1, wherein the face sheet and the back sheet are wood or bamboo sheets.
6. The manufacturing method of the composite board capable of enhancing the compression resistance according to claim 1, wherein the plant debris particles are crushed into 30-60 mm fragments, and then the fragments are soaked in 25-30% hydrochloric acid solution for 2 hours, then fished out, heated to 60-90 ℃, and subjected to heat preservation for 1-3 hours, drying and sterilization.
7. The method for manufacturing a composite board capable of enhancing compressive resistance according to claim 1, wherein the pressing time of the pressing machine for pressing each particle layer 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 |
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| 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 |
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| Publication Number | Publication Date |
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| CN114670535A true CN114670535A (en) | 2022-06-28 |
| CN114670535B 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 (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001334509A (en) * | 2000-05-29 | 2001-12-04 | Shimizu Corp | Bamboo net reinforced wood chip board |
| WO2008049263A1 (en) * | 2006-10-23 | 2008-05-02 | Flora Flooring Corp | Method for manufacture of bamboo decorative sheet and bamboo decorative sheet produced thereby |
| WO2013164099A1 (en) * | 2012-05-04 | 2013-11-07 | Padana Ag | Rod- shaped elements comprising a core layer and multiple layer 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 |
| 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 |
| CA2992489A1 (en) * | 2015-07-23 | 2017-01-26 | 3Rt Holding Pty Ltd | Manufactured wood products and methods of production |
| CN206011327U (en) * | 2016-07-15 | 2017-03-15 | 江西达森家私有限公司 | Loose bamboo particle recombination plates |
| US20170356193A1 (en) * | 2016-06-14 | 2017-12-14 | Zhejiang Yongyu Bamboo Joint-Stock Co., Ltd. | Composite bamboo floor and manufacturing method thereof |
| CN110861186A (en) * | 2019-12-03 | 2020-03-06 | 台州学院 | Method for manufacturing high-toughness plate by using wood fiber |
-
2022
- 2022-04-11 CN CN202210375134.6A patent/CN114670535B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001334509A (en) * | 2000-05-29 | 2001-12-04 | Shimizu Corp | Bamboo net reinforced wood chip board |
| WO2008049263A1 (en) * | 2006-10-23 | 2008-05-02 | Flora Flooring Corp | Method for manufacture of bamboo decorative sheet and bamboo decorative sheet produced thereby |
| WO2013164099A1 (en) * | 2012-05-04 | 2013-11-07 | Padana Ag | Rod- shaped elements comprising a core layer and multiple layer 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 |
| CA2992489A1 (en) * | 2015-07-23 | 2017-01-26 | 3Rt Holding Pty Ltd | Manufactured wood products and methods of production |
| US20170356193A1 (en) * | 2016-06-14 | 2017-12-14 | Zhejiang Yongyu Bamboo Joint-Stock Co., Ltd. | Composite bamboo floor and manufacturing method thereof |
| 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 |
Non-Patent Citations (1)
| Title |
|---|
| 林启昭;: "竹材复合板的研究", 北京交通大学学报, no. 1 * |
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| CN114670535B (en) | 2023-08-01 |
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