CN112757699B - Method for hot-pressing veneering of melamine decorative paper and application thereof - Google Patents
Method for hot-pressing veneering of melamine decorative paper and application thereof Download PDFInfo
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- CN112757699B CN112757699B CN201911076351.XA CN201911076351A CN112757699B CN 112757699 B CN112757699 B CN 112757699B CN 201911076351 A CN201911076351 A CN 201911076351A CN 112757699 B CN112757699 B CN 112757699B
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- decorative paper
- melamine decorative
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31F—MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31F1/00—Mechanical deformation without removing material, e.g. in combination with laminating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31F—MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31F1/00—Mechanical deformation without removing material, e.g. in combination with laminating
- B31F1/0003—Shaping by bending, folding, twisting, straightening, flattening or rim-rolling; Shaping by bending, folding or rim-rolling combined with joining; Apparatus therefor
- B31F1/0045—Bending or folding combined with joining
Abstract
The invention relates to the technical field of melamine decorative paper treatment, in particular to a melamine decorative paper hot-pressing veneering method and application thereof. A method for hot-pressing veneering of melamine decorative paper comprises the following steps: a. softening pretreatment is carried out on the melamine decorative paper; b. the softened melamine decorative paper wraps the embryonic strips; c. placing the blank strip wrapped with the melamine decorative paper in a heated mould for forming; d. taking out the embryonic strips and standing for more than 5min at room temperature to obtain finished products. The method for hot-pressing veneering of the melamine decorative paper solves the production difficulties that the melamine decorative paper which is fragile and easy to crack at normal temperature is easy to break, overlap and damage in the process of special-shaped bending and hot pressing, and continuous hot-pressing covering and pasting at the parting surface position of a mould cannot be realized.
Description
Technical Field
The invention relates to the technical field of melamine decorative paper treatment, in particular to a method for hot-pressing veneering of melamine decorative paper.
Background
The melamine decorative paper is melamine impregnated paper, melamine coated paper (paper, sheet/coiled material and the like), and melamine composite paper (paper, sheet/coiled material and the like), and when the decoration veneering is carried out, a subsequent paint process is not needed, the surface printing pattern is natural, attractive and free of defects, the surface veneering has the advantages of water resistance, scratch resistance, wear resistance, cigarette end burning resistance, flame retardance and the like, and the development requirements of national environmental protection are met, but the melamine decorative paper is fragile and difficult to bend, and the blank is difficult to wrap and cover.
The conventional method is to bush a profiling stainless steel die sleeve on the peripheries of a billet and decorative paper, although the method solves the defects of fracture, dislocation, stacking and the like, the outer side of the stainless steel die sleeve rubs with a die for a long time, so that the inner cavity of the die is lost and deformed. In addition, surface scratches and plate defects of the stainless steel sheet are also reflected on the surface of the finished product.
The cyanamide decorative paper is easy to break, overlap and damage in the process of special-shaped bending hot pressing, and the production difficulties that the mould parting surface can not be continuously hot pressed and covered are solved.
Disclosure of Invention
In order to overcome the defects of the existing bending processing of the melamine decorative paper, the invention provides a hot-pressing veneering method of the melamine decorative paper.
The technical scheme adopted by the invention for solving the technical problems is as follows: a method for hot-pressing veneering of melamine decorative paper comprises the following steps:
a. softening pretreatment is carried out on the melamine decorative paper;
b. the softened melamine decorative paper wraps the embryonic strips;
c. placing the blank strip wrapped with the melamine decorative paper in a heated mould for forming;
d. taking out the embryonic strips and standing for more than 5min at room temperature to obtain finished products.
According to another embodiment of the invention, the step a of softening pretreatment comprises one or any two or three of heating, humidifying and adding glue.
According to another embodiment of the invention, the heating temperature is controlled at 50-150 ℃, the humidification is that steam is used for spraying or fumigating for 5-100s, and the glue is melamine glue or white latex.
According to another embodiment of the invention, the method further comprises the step b of placing a soft gasket on the workbench top, placing softened melamine decorative paper on the soft gasket, covering the blank strip on the melamine decorative paper, bending the soft gasket, enabling the melamine decorative paper to wrap the blank strip, and drawing the blank strip along the direction of the workbench far away from the bending part of the melamine decorative paper, so that the melamine decorative paper is tightly attached to the surface of the blank strip, wherein the drawing time lasts for 2-60 s.
According to another embodiment of the present invention, it is further included that the soft gasket is one of a silicone rubber skin, a cloth material, or a rubber sheet.
According to another embodiment of the invention, the method further comprises the step c of preheating the mold, heating the mold to 70-220 ℃, and then placing the blank strip wrapped with the melamine decorative paper in the mold for hot pressing, wherein the mold closing time is 5-120s, and the mold closing pressure is 0.1-25 Mpa.
According to another embodiment of the present invention, further comprising, in the step b, when handling bars of different shapes, pressing blocks of corresponding shapes are adopted to be pressed on the top of the bars, and the applied pressure is 0-50 kg/cm.
A panel decorative strip manufactured by a melamine decorative paper hot-pressing veneering method.
The method for hot-pressing veneering the melamine decorative paper has the beneficial effects that the production difficulties that the melamine decorative paper which is fragile and easy to crack at normal temperature is easy to break, overlap and damage in the process of special-shaped bending and hot pressing and cannot be continuously hot-pressed and overlaid at the parting surface position of a mould are solved. According to the scheme, the melamine decorative paper which is easy to fold is softened and glued in advance outside the die and tightly wrapped on the forming blank, so that the conditions of breaking, dislocation, stacking and the like of the decorative paper cannot be generated in the subsequent hot pressing process, the folding at the parting surface is natural and attractive, the conventional stainless steel bushing is omitted, and the cost is reduced.
Detailed Description
A method for hot-pressing veneering of melamine decorative paper comprises the following steps:
a. softening pretreatment is carried out on the melamine decorative paper;
b. wrapping the softened melamine decorative paper with the embryonic strips;
c. placing the blank strip wrapped with the melamine decorative paper in a heated mould for forming;
d. taking out the embryonic strips and standing for more than 5min at room temperature to obtain finished products.
According to another embodiment of the invention, the step a of softening pretreatment comprises one or any two or three of heating, humidifying and adding glue.
According to another embodiment of the invention, the heating temperature is controlled at 50-150 ℃, the humidification is that steam is used for spraying or fumigating for 5-100s, and the glue is melamine glue or white latex.
According to another embodiment of the invention, the method further comprises the step b of placing a soft gasket on the workbench surface, placing softened melamine decorative paper on the soft gasket, covering the blank strip on the melamine decorative paper, bending the soft gasket, enabling the melamine decorative paper to wrap the blank strip, enabling the melamine decorative paper to be attached to the surface of the blank strip, and drawing the melamine decorative paper away from the bending part of the melamine decorative paper along the direction of the workbench for 2-60 s.
According to another embodiment of the present invention, it is further included that the soft gasket is one of a silicone rubber skin, a cloth material, or a rubber sheet.
According to another embodiment of the invention, the method further comprises the step c of preheating the mold, heating the mold to 70-220 ℃, and then placing the blank strip wrapped with the melamine decorative paper in the mold for hot pressing, wherein the mold closing time is 5-120s, and the mold closing pressure is 0.1-25 Mpa.
According to another embodiment of the present invention, further comprising, in the step b, when handling bars of different shapes, pressing blocks of corresponding shapes are adopted to be pressed on the top of the bars, and the applied pressure is 0-50 kg/cm.
The first embodiment of the invention:
a method for hot-pressing veneering of melamine decorative paper comprises the following steps:
a. softening pretreatment is carried out on the melamine decorative paper;
b. the softened melamine decorative paper wraps the embryonic strips;
c. placing the blank strip wrapped with the melamine decorative paper in a heated mould for forming;
d. taking out the embryonic strips and standing for 5min at room temperature to obtain finished products.
According to another embodiment of the invention, the step a of softening pretreatment comprises one or any two or three of heating, humidifying and adding glue.
According to another embodiment of the invention, the heating temperature is controlled at 50 ℃, the humidification is that steam is used for spraying or fumigating for 100s, and the glue is melamine glue or white latex.
According to another embodiment of the invention, the method further comprises the step b of placing a soft gasket on the workbench top, placing softened melamine decorative paper on the soft gasket, covering the blank strip on the melamine decorative paper, bending the soft gasket, enabling the melamine decorative paper to wrap the blank strip, and drawing the blank strip along the direction of the workbench far away from the bending part of the melamine decorative paper, so that the melamine decorative paper is tightly attached to the surface of the blank strip, wherein the drawing time lasts for 60 s.
According to another embodiment of the present invention, it is further included that the soft gasket is one of a silicone rubber skin, a cloth material, or a rubber sheet.
According to another embodiment of the invention, the method further comprises the step c of preheating the mold, heating the mold to 70 ℃, and then placing the blank strip wrapped with the melamine decorative paper in the mold for hot pressing, wherein the mold closing time is 120s, and the mold closing pressure is 25 Mpa.
According to another embodiment of the present invention, further comprising, in the step b, when handling bars of different shapes, pressing blocks of corresponding shapes are adopted to be pressed above the bars, and the applied pressure is 50 kg/cm.
Example two:
a method for hot-pressing veneering of melamine decorative paper comprises the following steps:
a. softening pretreatment is carried out on the melamine decorative paper;
b. the softened melamine decorative paper wraps the embryonic strips;
c. placing the blank strip wrapped with the melamine decorative paper in a heated mould for forming;
d. taking out the embryonic strips and standing for 15min at room temperature to obtain finished products.
According to another embodiment of the invention, the step a of softening pretreatment comprises one or any two or three of heating, humidifying and adding glue.
According to another embodiment of the invention, the heating temperature is controlled at 100 ℃, the humidification is spraying or fumigating for 30s by using water vapor, and the glue is added by using melamine glue or white latex.
According to another embodiment of the invention, the method further comprises the step b of placing a soft gasket on the workbench top, placing softened melamine decorative paper on the soft gasket, covering the blank strip on the melamine decorative paper, bending the soft gasket, enabling the melamine decorative paper to wrap the blank strip, and drawing the blank strip along the direction of the workbench far away from the bending part of the melamine decorative paper, so that the melamine decorative paper is tightly attached to the surface of the blank strip, wherein the drawing time lasts for 30 s.
According to another embodiment of the present invention, it is further included that the soft gasket is one of a silicone rubber skin, a cloth material, or a rubber sheet.
According to another embodiment of the invention, the method further comprises the step c of preheating the mold, heating the mold to 150 ℃, and then placing the blank strip wrapped with the melamine decorative paper in the mold for hot pressing, wherein the mold closing time is 80s, and the mold closing pressure is 10 Mpa.
According to another embodiment of the present invention, further comprising, in the step b, when handling bars of different shapes, pressing blocks of corresponding shapes are adopted to be pressed above the bars, and the applied pressure is 25 kg/cm.
Example three:
a method for hot-pressing veneering of melamine decorative paper comprises the following steps:
a. softening pretreatment is carried out on the melamine decorative paper;
b. the softened melamine decorative paper wraps the embryonic strips;
c. placing the blank strip wrapped with the melamine decorative paper in a heated mould for forming;
d. taking out the embryonic strips and standing for 30min at room temperature to obtain finished products.
According to another embodiment of the invention, the step a of softening pretreatment comprises one or any two or three of heating, humidifying and adding glue.
According to another embodiment of the invention, the heating temperature is controlled at 150 ℃, the humidification is spraying or fumigating for 5s by using water vapor, and the glue is added by using melamine glue or white latex.
According to another embodiment of the invention, the method further comprises the step b of placing a soft gasket on the workbench top, placing softened melamine decorative paper on the soft gasket, covering the blank strip on the melamine decorative paper, bending the soft gasket, enabling the melamine decorative paper to wrap the blank strip, and drawing the blank strip along the direction of the workbench far away from the bending part of the melamine decorative paper, so that the melamine decorative paper is tightly attached to the surface of the blank strip, wherein the drawing time lasts for 2 s.
According to another embodiment of the present invention, it is further included that the soft gasket is one of a silicone rubber skin, a cloth material, or a rubber sheet.
According to another embodiment of the invention, the method further comprises the step c of preheating the mold, heating the mold to 220 ℃, and then placing the blank strip wrapped with the melamine decorative paper in the mold for hot pressing, wherein the mold closing time is 5s, and the mold closing pressure is 0.1 Mpa.
According to another embodiment of the present invention, further comprising, in the step b, when handling bars of different shapes, pressing blocks of corresponding shapes are adopted to be pressed above the bars, and the applied pressure is 0.1 kg/cm.
When some blanks are handled, the surface of the blank is smooth, the melamine decorative paper can be attached to the blank in the drawing process, a pressing block is not required to be applied to press the upper side of the blank, and the pressure is 0 kg/cm.
The foregoing description is intended to be illustrative rather than limiting, and it will be appreciated by those skilled in the art that many modifications, variations or equivalents may be made without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (7)
1. A method for hot-pressing veneering of melamine decorative paper is characterized by comprising the following steps:
a. softening pretreatment is carried out on the melamine decorative paper;
b. the softened melamine decorative paper wraps the embryonic strips;
c. placing the blank strip wrapped with the melamine decorative paper in a heated mould for forming;
d. taking out the embryonic strips and standing for more than 5min at room temperature to obtain finished products;
the specific method of the step b is as follows: placing a soft gasket on a workbench surface, placing softened melamine decorative paper on the soft gasket, covering a blank strip on the melamine decorative paper, bending the soft gasket, then enabling the melamine decorative paper to wrap the blank strip, and drawing the blank strip along the direction of the workbench far away from the bending part of the melamine decorative paper, so that the melamine decorative paper is tightly attached to the surface of the blank strip, wherein the drawing time lasts for 2-60 s.
2. The process of hot press veneering of melamine decorative paper according to claim 1 wherein the softening pretreatment in step a comprises one or a mixture of any two or three of heating, moistening and gluing.
3. The method of hot-pressing veneering of melamine decorative paper according to claim 2, wherein the temperature of the softening pretreatment heating is controlled to be 50-150 ℃, the humidification is carried out by spraying or fumigating for 5-100s by using water vapor, and the gluing is melamine glue or white latex.
4. The method of claim 1, wherein the soft pad is one of silica gel skin, cloth or rubber sheet.
5. A method of hot pressing overlay of melamine decorative paper according to claim 1 wherein in step c the mould is preheated to a temperature of 70-220 ℃, and subsequently the embryonic strip wrapped with melamine decorative paper is placed in the mould and hot pressed, the mould closing time is 5-120s and the mould closing pressure is 0.1-25 Mpa.
6. The method for hot pressing veneering of melamine decorative paper according to claim 1, wherein in step b, when bars of different shapes are drawn, pressing blocks of corresponding shapes are adopted to press above the bars, and the applied pressure is 0-50 kg/cm.
7. A decorative veneer strip made by the method of hot-pressing veneering of melamine decorative paper according to any one of claims 1 to 6.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911076351.XA CN112757699B (en) | 2019-11-06 | 2019-11-06 | Method for hot-pressing veneering of melamine decorative paper and application thereof |
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| CN201911076351.XA CN112757699B (en) | 2019-11-06 | 2019-11-06 | Method for hot-pressing veneering of melamine decorative paper and application thereof |
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| CN112757699A CN112757699A (en) | 2021-05-07 |
| CN112757699B true CN112757699B (en) | 2022-07-08 |
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| CN115008558B (en) * | 2022-05-16 | 2023-05-26 | 东莞市惠乔力装饰材料有限公司 | Plate bending process with bending structure and composite plate manufactured by plate bending process |
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| CN201220500Y (en) * | 2008-05-05 | 2009-04-15 | 王文村 | High strength integral forming sheet material structure |
| CN109228547A (en) * | 2018-10-24 | 2019-01-18 | 株洲时代新材料科技股份有限公司 | Fiber ply angles, the drawing and extruding section bar of reinforcing material |
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| CN100515761C (en) * | 2004-07-09 | 2009-07-22 | 浙江瑞欣装饰材料有限公司 | Thick bendable decorative board and its manufacturing method |
| CN103072255A (en) * | 2013-01-21 | 2013-05-01 | 丁庆太 | Process for coating exposed surface of door and window set decorative line by using melamine impregnated paper |
| CN104191791B (en) * | 2014-08-14 | 2015-09-30 | 常州佳饰家装饰新材料有限公司 | The technique of a kind of pure solid wood or log special-shaped wood strip making heat pressing dipping glued membrane facing paper |
| CN105397876A (en) * | 2015-11-02 | 2016-03-16 | 福建农林大学 | China fir dense furniture profile and processing method |
| CN105755907B (en) * | 2016-03-30 | 2019-03-22 | 美盈森集团股份有限公司 | A kind of wood for furniture flitch that melamine impregnated paper is combined with brown paper |
| CN206418718U (en) * | 2017-01-12 | 2017-08-18 | 北京霍尔茨门业股份有限公司 | It is coated with the end cap of laminated continuous sheet |
| CN108858637A (en) * | 2018-07-20 | 2018-11-23 | 于景彬 | A kind of preparation method of plate fitment |
| CN109079933B (en) * | 2018-07-24 | 2022-07-15 | 陈敏芬 | Improved production process of mould pressing wood piece coating melamine impregnated wear-resistant paper |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201220500Y (en) * | 2008-05-05 | 2009-04-15 | 王文村 | High strength integral forming sheet material structure |
| CN109228547A (en) * | 2018-10-24 | 2019-01-18 | 株洲时代新材料科技股份有限公司 | Fiber ply angles, the drawing and extruding section bar of reinforcing material |
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Effective date of registration: 20230628 Address after: No. 5, Hengtang Chemical Road, Yunyang Town, Danyang City, Zhenjiang City, Jiangsu Province 212300 Patentee after: Lijing Staircase Danyang Co.,Ltd. Address before: 212300 No. 191, Danfeng North Road, Danyang City, Zhenjiang City, Jiangsu Province Patentee before: Hu Qin |