CN109822939A - A method of enhance for composite material template panel - Google Patents
A method of enhance for composite material template panel Download PDFInfo
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- CN109822939A CN109822939A CN201910184204.8A CN201910184204A CN109822939A CN 109822939 A CN109822939 A CN 109822939A CN 201910184204 A CN201910184204 A CN 201910184204A CN 109822939 A CN109822939 A CN 109822939A
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- template
- composite material
- fibrous reinforcing
- reinforcing material
- molding
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Abstract
The present invention provides a kind of method for the enhancing of composite material template panel, includes the following steps: that 1. base-material is placed in mold, obtains template bottom by being molded for the first time；2. the fibrous reinforcing material cut in advance is placed on template bottom binder layer by of short duration die sinking；3. placing the material block for being molded template surface layer on fibrous reinforcing material；4. carrying out secondary mould pressing after molding, composite material template after molding is obtained, which includes template bottom, fibrous reinforcing material and template surface layer from bottom to top；5. post-processing to composite material template after molding, final products are obtained.By using the method for the present invention, so that product impact property and bending property are greatly improved, surface shrinkage is controlled, and product deformation surface quality is improved, and surface is smooth.
Description
Technical field
The present invention relates to a kind of methods for the enhancing of composite material template panel.
Background technique
Composite material template in industry generally obtains very big popularization with high-strength light advantage at present, but because of plastic material
The disadvantages of often there are the open defects such as surface rib trace and cold shut in performance limitation, products panel, plate face intensity is insufficient, generally
Using plate thickness is increased, increasing the methods of rib quantity is enhanced, and leads to cost increase, because surface thickness thickens receipts
Shrinkage becomes larger, and it is inconsistent that structure change also results in overall shrinkage, thus product size contraction distortion, and improvement is unknown
It is aobvious, it is palliative.
Publication date is 20140101, and the Chinese utility model of Publication No. discloses a kind of wear resistant plastic building template, should
Building template is plastic plate, and the spraying of one side surface or painting have polytetrafluoroethylene ethylene layer；Plastic plate is embedded with two layers of enhancement layer, and two
Layer enhancement layer is located at upper and lower surfaces 2~5mm depth apart from plastic plate.Enhancement layer can be Bao Gang, aluminium sheet, steel mesh, increasing
Strong one or both of fiber cloth and non-woven fabrics.Compared with prior art, which is equipped with high-wearing feature
Polytetrafluoroethylene ethylene layer, not only increase wear-resisting property, make building template be not easy scratch or it is worn out, also reduction demoulding after foundry loam
Amount.And polytetrafluoroethylene ethylene layer is set to plastic building template surface using painting or spraying technology, so that building template surface has
Certain roughness, to be conducive to the processing of later period concrete wall surface, in addition, also saving the dosage of polytetrafluoroethylene (PTFE).This is built
Building mould comprehensive performance is superior, and the service life improves 3 times or more, practical.Although improving building mould which employs enhancement layer
Plate comprehensive performance, but enhancement layer can not improve the surface quality of building template, but have polytetrafluoroethyl-ne by spraying or painting
Alkene layer improves the wear-resisting property on surface, the foundry loam amount after reducing demoulding, in addition, its building template is built for the stratiform of plane
Template is made using extrusion composite technology, is different from the present invention.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of method for the enhancing of composite material template panel, lead to
It crosses using novel separation mould pressing process, so that product impact property and bending property are greatly improved, surface shrinkage is controlled
System, product deformation surface quality are improved, and surface is smooth.
The present invention is implemented as follows: a kind of method for the enhancing of composite material template panel, it is characterised in that: including
Following step:
1. base-material is placed in mold, template bottom is obtained by being molded for the first time；
2. the fibrous reinforcing material cut in advance is placed on template bottom binder layer by of short duration die sinking；
3. placing the material block for being molded template surface layer on fibrous reinforcing material；
4. carrying out secondary mould pressing after molding, composite material template after molding is obtained, which includes under
Template bottom, fibrous reinforcing material and template surface layer on and；
5. post-processing to composite material template after molding, final products are obtained.
Further, the fibrous reinforcing material is long fiber-reinforcing material layer or continuous fiber reinforcement material layer.
Further, the fibrous reinforcing material be by braiding, it is compound, winding at least one of technique carry out in advance at
Type and fibrous layer with a thickness of 0.3~1.0cm.
Further, the fibrous reinforcing material is glass fiber reticular cloth or prepreg tape.
Further, it is described molding template surface layer with a thickness of 0.5-2cm when it is preferable.
Further, while two stations are set, share a set of manipulator, when No. 1 station is molded with manipulator, 2
Number station places fibrous reinforcing material with another manipulator, conversely, No. 1 station another manipulator placement fibre reinforced materials
When layer, No. 2 stations are molded with manipulator.
Further, molding and the secondary mould pressing for the first time are that pressure maintaining is not less than under 1500~1900t pressure
60s, 30~60 DEG C of mould temperature.
The present invention has the advantage that the present invention is divided into two ranks in production mold process using novel separation mould pressing process
Section, panel centre increases fiber-reinforced layer, so that product impact property and bending property are greatly improved.Common injected plastics material
Impact property 15~20kJ/ ㎡, 2000~3000MPa of bending modulus；And present invention process resulting composite material template rushes
Hit performance 30~40kJ/ ㎡, 6000~8000MP of bending modulus；When fiber-reinforced layer is long fiber-reinforcing material layer or continuous fibre
When tieing up layers of reinforcement, impact property is up to 60~100kJ/ ㎡, 8000~12000MPa of bending modulus；Make composite material template
Surface shrinkage is controlled, and product deformation surface quality is improved, and surface is smooth, without spraying or having painted polytetrafluoroethyl-ne
Alkene layer improves surface quality, and former rib shrinks 0.3~0.4mm of trace, obtain improving rear surface shrink trace drop to 0.1mm with
Under.
Detailed description of the invention
The present invention is further illustrated in conjunction with the embodiments with reference to the accompanying drawings.
Fig. 1 is the method for the present invention execution flow chart.
Fig. 2 is the method for the present invention resulting product schematic diagram.
Specific embodiment
Refering to Figure 1, the method for the enhancing of composite material template panel of the invention, includes the following steps:
1. base-material is placed in mold 1, template bottom 21 is obtained by being molded for the first time；The molding for the first time is 1500
Under~1900t pressure pressure maintaining be not less than 60s, 30~60 DEG C of mould temperature.
2. the fibrous reinforcing material 22 cut in advance is placed on template bottom binder layer 21 by of short duration die sinking；
3. placing the material block 232 for being molded template surface layer 23 on fibrous reinforcing material 22；
4. carrying out secondary mould pressing after molding, the secondary mould pressing is that pressure maintaining is not less than 60s under 1500~1900t pressure,
30~60 DEG C of mould temperature, composite material template 2 after molding is obtained, as shown in Fig. 2, the composite material template 2 includes from bottom to top
Template bottom 21, fibrous reinforcing material 22 and template surface layer 23；
5. post-processing to composite material template 2 after molding, such as deburring, aperture etc. obtains final products.
When the fibrous reinforcing material 22 is that long fiber-reinforcing material layer or continuous fiber reinforcement material layer are preferable.Such as may be used
To be glass fiber reticular cloth or prepreg tape.
Point of the length of chemical fibre: the length of staple fiber is generally 35~150mm, further includes in one kind in staple fiber
Long fibre, length are about 51~76mm；Long stapled length is greater than staple fiber, and some length is up to several meters to upper km.
Continuous fiber draw ratio sufficiently large (generally higher than 1000) can be realized and play uninterrupted enhancement effect along its length
Fibrous material.
Glass fiber reticular cloth mainly ties up weaving yarns, the fiberglass mesh coated through alkaline-resisting macromolecule emulsion with middle alkali or alkali-free glass fiber
Cloth series products: alkaline-resisting GRC glass fiber reticular cloth, alkaline-resisting wall enhancing, the dedicated mesh sheet of mosaic and stone material, marble back paste grid
Cloth.
Prepreg tape refers to continuous fiber reinforced thermoplastic composite material (Continuous Fiber Reinforced
Thermoplastic Composites, CFRTP), it is impregnated by reinforcement (glass fibre, carbon fiber etc.) and resin matrix
Continuous fiber or fabric.
The fibrous reinforcing material 22 be by braiding, it is compound, winding at least one of technique carry out it is preforming and
With a thickness of the fibrous layer of 0.3~1.0cm.
In addition, it is described molding template surface layer 23 with a thickness of 0.5-2cm when it is preferable, the surface layer of this thickness makes fiber reinforcement
Surface distance of the material layer 22 from composite material template 2 reaches more reasonable range, can sufficiently improve surface quality, makes surface light
Sliding, rib contraction trace is obvious, and surface shrinkage trace is improved.
Furthermore in order to improve the production efficiency, and the repetition of saving manipulator is arranged, due to placing fibrous reinforcing material
Manipulator is different with the manipulator of pressing mold, therefore two stations can be arranged simultaneously, shares a set of manipulator, No. 1 station machine
When tool hand is molded, No. 2 stations place fibrous reinforcing material with another manipulator, conversely, another manipulator of No. 1 station
When placing fibrous reinforcing material, No. 2 stations are molded with manipulator.
The present invention is divided into two stages in production mold process using novel separation mould pressing process, increases fiber among panel
Enhancement layer, so that product impact property and bending property are greatly improved.15~20kJ/ of common injected plastics material impact property
㎡, 2000~3000MPa of bending modulus；And impact property 25~35kJ/ ㎡ of the resulting composite material template of present invention process,
4000~6000MP of bending modulus；When fiber-reinforced layer is glass fiber reticular cloth or glass prepreg tape, glass (LFTD) enhances face
Layer material, impact property 60~100kJ/ ㎡, 8000~12000MPa of bending modulus；Obtain the surface shrinkage of composite material template
To control, product deformation surface quality is improved, and surface is smooth, and former rib shrinks 0.3~0.4mm of trace, table after being improved
It shrinks trace and drops to 0.1mm or less in face.
Although specific embodiments of the present invention have been described above, those familiar with the art should be managed
Solution, we are merely exemplary described specific embodiment, rather than for the restriction to the scope of the present invention, it is familiar with this
The technical staff in field should be covered of the invention according to modification and variation equivalent made by spirit of the invention
In scope of the claimed protection.
Claims (7)
1. a kind of method for the enhancing of composite material template panel, it is characterised in that: include the following steps:
1. base-material is placed in mold, template bottom is obtained by being molded for the first time；
2. the fibrous reinforcing material cut in advance is placed on template bottom binder layer by of short duration die sinking；
3. placing the material block for being molded template surface layer on fibrous reinforcing material；
4. carrying out secondary mould pressing after molding, composite material template after molding is obtained, which includes from bottom to top
Template bottom, fibrous reinforcing material and template surface layer；
5. post-processing to composite material template after molding, final products are obtained.
2. a kind of method for the enhancing of composite material template panel according to claim 1, it is characterised in that:
The fibrous reinforcing material is long fiber-reinforcing material layer or continuous fiber reinforcement material layer.
3. a kind of method for the enhancing of composite material template panel according to claim 1 or 2, it is characterised in that:
The fibrous reinforcing material be by braiding, it is compound, winding at least one of technique carry out it is preforming and with a thickness of
The fibrous layer of 0.3~1.0cm.
4. a kind of method for the enhancing of composite material template panel according to claim 1 or 2, it is characterised in that: institute
Stating fibrous reinforcing material is glass fiber reticular cloth or prepreg tape.
5. a kind of method for the enhancing of composite material template panel according to claim 1, it is characterised in that: the mould
Pressing mold board finish with a thickness of 0.5-2cm.
6. a kind of method for the enhancing of composite material template panel according to claim 1, it is characterised in that: set simultaneously
Two stations are set, a set of manipulator is shared, when No. 1 station is molded with manipulator, No. 2 stations are placed fine with another manipulator
Layers of reinforcement is tieed up, conversely, No. 2 stations are carried out with manipulator when No. 1 station places fibrous reinforcing material with another manipulator
Molding.
7. a kind of method for the enhancing of composite material template panel according to claim 1, it is characterised in that: the head
It is secondary molding and the secondary mould pressing be under 1500~1900t pressure pressure maintaining be not less than 60s, 30~60 DEG C of mould temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910184204.8A CN109822939B (en) | 2019-03-12 | 2019-03-12 | Method for reinforcing composite material template panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910184204.8A CN109822939B (en) | 2019-03-12 | 2019-03-12 | Method for reinforcing composite material template panel |
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| Publication Number | Publication Date |
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| CN109822939A true CN109822939A (en) | 2019-05-31 |
| CN109822939B CN109822939B (en) | 2021-10-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910184204.8A Active CN109822939B (en) | 2019-03-12 | 2019-03-12 | Method for reinforcing composite material template panel |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113320191A (en) * | 2021-06-01 | 2021-08-31 | 华东理工大学 | Pultrusion method of high-performance thermoplastic composite material I-beam |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102294830A (en) * | 2011-09-02 | 2011-12-28 | 宁波华业材料科技有限公司 | Method for manufacturing thermoplastic fibre reinforced building template |
| CN103358627A (en) * | 2012-04-01 | 2013-10-23 | 上海杰事杰新材料(集团)股份有限公司 | High performance fiber layer composite board and preparation method thereof |
| CN207633746U (en) * | 2017-08-09 | 2018-07-20 | 福建海源新材料科技有限公司 | A kind of bilayer LFT-D building templates |
-
2019
- 2019-03-12 CN CN201910184204.8A patent/CN109822939B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102294830A (en) * | 2011-09-02 | 2011-12-28 | 宁波华业材料科技有限公司 | Method for manufacturing thermoplastic fibre reinforced building template |
| CN103358627A (en) * | 2012-04-01 | 2013-10-23 | 上海杰事杰新材料(集团)股份有限公司 | High performance fiber layer composite board and preparation method thereof |
| CN207633746U (en) * | 2017-08-09 | 2018-07-20 | 福建海源新材料科技有限公司 | A kind of bilayer LFT-D building templates |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113320191A (en) * | 2021-06-01 | 2021-08-31 | 华东理工大学 | Pultrusion method of high-performance thermoplastic composite material I-beam |
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| CN109822939B (en) | 2021-10-22 |
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Effective date of registration: 20220114 Address after: 350108 01, floor 11, building B, network communication center, block a, houting village, high tech Zone, Fuzhou City, Fujian Province Patentee after: FUJIAN EANTE NEW BUILDING MATEIRALS CO.,LTD. Address before: 354200 tf06, phase IV, Tongyou Industrial Park, Wuyi New District, Jianyang District, Nanping City, Fujian Province Patentee before: FUJIAN HAIYUAN NEW MATERIAL TECHNOLOGY Co.,Ltd. |
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Effective date of registration: 20220411 Address after: 350108 01, floor 11, building B, network communication center, block a, houting village, high tech Zone, Fuzhou City, Fujian Province Patentee after: FUJIAN EANTE NEW BUILDING MATEIRALS CO.,LTD. Patentee after: FUJIAN HAIYUAN NEW MATERIAL TECHNOLOGY Co.,Ltd. Address before: 350108 01, floor 11, building B, network communication center, block a, houting village, high tech Zone, Fuzhou City, Fujian Province Patentee before: FUJIAN EANTE NEW BUILDING MATEIRALS CO.,LTD. |
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Effective date of registration: 20230406 Address after: 350108 01, floor 11, building B, network communication center, block a, houting village, high tech Zone, Fuzhou City, Fujian Province Patentee after: FUJIAN EANTE NEW BUILDING MATEIRALS CO.,LTD. Address before: 350108 01, floor 11, building B, network communication center, block a, houting village, high tech Zone, Fuzhou City, Fujian Province Patentee before: FUJIAN EANTE NEW BUILDING MATEIRALS CO.,LTD. Patentee before: FUJIAN HAIYUAN NEW MATERIAL TECHNOLOGY Co.,Ltd. |
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