CN104723580A - Manufacturing method for thermoplastic composite material plate and device thereof - Google Patents
Manufacturing method for thermoplastic composite material plate and device thereof Download PDFInfo
- Publication number
- CN104723580A CN104723580A CN201310728588.8A CN201310728588A CN104723580A CN 104723580 A CN104723580 A CN 104723580A CN 201310728588 A CN201310728588 A CN 201310728588A CN 104723580 A CN104723580 A CN 104723580A
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- Prior art keywords
- silica gel
- thin film
- thermoplastic laminates
- gel thin
- manufacture method
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/40—Shaping or impregnating by compression not applied
- B29C70/50—Shaping or impregnating by compression not applied for producing articles of indefinite length, e.g. prepregs, sheet moulding compounds [SMC] or cross moulding compounds [XMC]
- B29C70/504—Shaping or impregnating by compression not applied for producing articles of indefinite length, e.g. prepregs, sheet moulding compounds [SMC] or cross moulding compounds [XMC] using rollers or pressure bands
- B29C70/506—Shaping or impregnating by compression not applied for producing articles of indefinite length, e.g. prepregs, sheet moulding compounds [SMC] or cross moulding compounds [XMC] using rollers or pressure bands and impregnating by melting a solid material, e.g. sheet, powder, fibres
Abstract
The invention provides a manufacturing method for a thermoplastic composite material plate and a device thereof. The manufacturing method for the thermoplastic composite material plate comprises the following steps: providing a base body and at least one reinforcing material; laminating the base body with the reinforcing material and then conveying the base body and the reinforcing material in a melting forming device with constant-capacity design; carrying out heating and pressing treatments in the melting forming device by virtue of a pressing belt padded and coated with a silica gel film on the surface; and carrying out cooling treatment. Lines transferred onto the pressing belt are avoided by virtue of the buffering of the silica gel film during pressing, so that the thermoplastic composite material plate with an excellent surface can be manufactured.
Description
Technical field
The present invention relates to a kind of composite board, particularly relate to a kind of manufacture method and device thereof of Thermoplastic Laminates.
Background technology
So-called composite (composite materials) refers to the new material that two or more unlike material is combined in a suitable manner, and this composite has the performance more more outstanding than single material.In general, composite is made up of matrix and enhancing material, wherein strengthening material is load part main in composite, especially about bending, to stretch and the mechanics of the mechanical performance such as impact etc. bears source, matrix be then by enhancing material bind in aggregates, form composites shape and play the part of stress conduction effect.
In the general composite using thermoplastic resin as matrix, resin has to pass through the melting process of heating with strengthening material (such as: glass fibre), make resin impregnated in the fibre, pressurize afterwards, finally again through cooling step by shaping for this composite material solidification.Due in heating, pressure process, must make to squeeze out desired thickness by press belt and web contact, so press belt must be close to the composite board in processing in hot pressing, therefore, the smooth demoulding of composite board after solidifying for making processing, this press belt must possess release effect.
Become known for the demoulding material on press belt, be mainly the textile fibre cloth being coated with polytetrafluoroethylene (PTFE) (Polytetrafluoroethene, PTFE), and namely polytetrafluoroethylene (PTFE) is wherein to provide the composition of release effect.But, in the pressure process of producing thermoplastic composite, but inevitably can the decorative pattern of textile fibre cloth be transferred on prepared composite material surface, produce extra lines on the one hand, its surface is then made on the other hand not have a planarization, thus must further across surface treatment, enablely carry out in its surface printing or the subsequent handling such as application.
On the other hand, high squeeze board required in manufacture process, although can improve the problem of profile pattern, but high pressure can cause the specification of composite board thickness to change, and exceeds the margin of tolerance of thickness; Also the proportion of fibers of base material and reinforcing material and volume ratio can be made to exceed scope of design, successive process or assembling are produced to interfere cannot volume production and affect the problem of the physical property of product.
Summary of the invention
The object of the present invention is to provide a kind of manufacture method with the Thermoplastic Laminates of excellent release effect, the enable smooth demoulding in the manufacture process of Thermoplastic Laminates.
Another object of the present invention is to provide a kind of manufacture method that can produce the Thermoplastic Laminates of good surface, make manufactured Thermoplastic Laminates surfacing, can directly print or the subsequent handling such as application.
Another object of the present invention is to provide a kind of manufacture method that can produce the Thermoplastic Laminates of thickness specification unification, via all sparing to power, can avoid because pressure process in cause thickness deviation value to exceed problem.
In order to reach aforementioned object, the present invention will provide a kind of manufacture method of Thermoplastic Laminates, and its step comprises: provide a matrix and at least one enhancing material; By this matrix and this enhancing material superimposed after deliver into the melt molding device that first-class is installed with meter; The press belt being covered with a silica gel thin film by surface cushion in this melt molding device carries out heating and pressurized treatments; And carry out cooling processing.
In one embodiment, in the manufacture method of described Thermoplastic Laminates, wherein this silica gel thin film comprises one in coarse and for the driving face and of transmission in smooth and contact the machined surface of sheet material.The thickness of this silica gel thin film can be 0.2 ~ 0.5mm, but not as limit, can according to for the size of exerting pressure and composite material quality, select the silica gel thin film of suitable thickness.
In another embodiment, in the manufacture method of described Thermoplastic Laminates, wherein the machined surface of this silica gel thin film is provided with the texture of 3 ~ 5 μm of degree of depth further, to make Resin Flow better, and increases its respiratory.
In another embodiment, in the manufacture method of described Thermoplastic Laminates, the condition of wherein this pressurization can be 5 ~ 25Kg/cm
2, but not as limit, can according to adjusted for thickness for the composite material quality of exerting pressure and institute.
In one embodiment, in the manufacture method of described Thermoplastic Laminates, wherein this enhancing material is optional from dacron fibre (PET), glass fibre, boron fibre, ceramic fibre, metallic fiber, PPTA (p-phenylene terephthalamides, PPTA), namely aramid fiber (Aramid fiber), carbon fiber, superelevation average molecular weight polyethylene fiber (ultra-highmolecular weight polyethylene, UHMW-PE), polybenzoxazole fibre (Poly (p-phenylenebenzobisoxazole, PBO), 2, 5-dihydroxy-1, 4-pyridobismidazole (poly (2, 6-diimidazo (4, 5-b:4 ' 5 '-e) pyridinylene-1, 4 (2, 5-dihydroxy) phenylene, PIPD), polyester fiber, cotton, fiber crops or paper, but not as limit.This matrix then can be selected from: the group that polyethylene (PE), polypropylene (PP), polyvinyl chloride (PVC), polystyrene (PS), ABS resin, nylon (PA), Merlon (PC), PET (PET), polyether-ether-ketone (PEEK), polyether-ketone (PEK), polysulfones (PSU), PPSU (PPS), PEI (PEI), polyether sulfone (PES), polyimides (PI) and polyamidoimide (PAI) form, also not as limit.
Another object of the present invention is to provide a kind of continuity or noncontinuity to produce the manufacture method of Thermoplastic Laminates.
In one embodiment, in the manufacture method of described Thermoplastic Laminates, the method comprises retracting further, to reach the object of consecutive production, or comprises cutting further, and the noncontinuity being applicable to preliminary dimension is produced.
Another object of the present invention is the manufacturing installation providing a kind of Thermoplastic Laminates, enable be used in manufacture provide the Thermoplastic Laminates of good surface.
In order to reach aforesaid object, the present invention will provide a kind of manufacturing installation of Thermoplastic Laminates, comprising: multiple charging roller, at least in order to carry an enhancing material and at least one matrix; One trigger squeeze, in order to by this enhancing material and this matrix phase superimposed; And first-class is installed with the melt molding device of meter, this melt molding device comprises: a heating unit; One presser unit; One cooling unit; And the release unit of a pressurization, be provided with a press belt, this press belt surface cushion is covered with a silica gel thin film, wherein, this heating unit, this presser unit and this cooling unit through this press belt to this matrix and this armature heats and pressurized treatments.
In one embodiment, in the manufacturing installation of described Thermoplastic Laminates, it is provided with retracting roller or a cutter further.
In another embodiment, in the manufacturing installation of described Thermoplastic Laminates, wherein this silica gel thin film comprises one in coarse and for the driving face and of transmission in smooth and contact the machined surface of sheet material, and the thickness of this silica gel thin film is 0.2 ~ 0.5mm, but not as limit, can according to for the size of exerting pressure and composite wood material, select the silica gel thin film of suitable thickness.
By the embodiment of the present invention, utilize release effectiveness and the smooth surface of silica gel thin film, can produce and there is flat surface and the Thermoplastic Laminates that is suitable for directly carrying out coating process, and its buffering effect of mat further, the Thermoplastic Laminates of thickness homogenization can be produced.
Embodiments of the present invention are further illustrated below by graphic for cooperation; following cited embodiment is in order to illustrate the present invention; and be not used to limit scope of the present invention; any those skilled in the art without departing from the spirit and scope of the present invention; when doing a little change and retouching, therefore protection scope of the present invention is when being as the criterion depending on the accompanying claim person of defining.
Accompanying drawing explanation
Fig. 1 is the flow chart of steps of first embodiment of the invention;
Fig. 2 is the flow chart of steps of second embodiment of the invention;
Fig. 3 is the device schematic diagram of third embodiment of the invention;
Fig. 4 is the partial schematic diagram of third embodiment of the invention;
Fig. 5 is the device schematic diagram of fourth embodiment of the invention; And
Fig. 6 is the device schematic diagram of fifth embodiment of the invention.
Wherein, description of reference numerals is as follows:
10 charging rollers
11 strengthen material
12 matrixes
20 trigger squeezes
The melt molding devices being installed with meter such as 30
31 heating units
32 presser unit
33 cooling units
The release unit of 34 pressurization
341 press belts
35 silica gel thin films
351 machined surfaces
352 driving faces
40 retracting rollers
50 cutters
S10 provides a matrix and at least one enhancing material
S20 is superimposed
S30 delivers into the melt molding device that first-class is installed with meter
S40 is covered with a press belt of a silica gel thin film by surface cushion
S41 heats pressurization
S42 cools
S50 furls
S60 cuts
Detailed description of the invention
Referring to Fig. 1, is the flow chart of steps of first embodiment of the invention.The manufacture method of the Thermoplastic Laminates of first embodiment of the invention, its step comprises: step S10, provides a matrix and at least one enhancing material; Step S20, by aforementioned substrates with to strengthen material in addition superimposed; Step S30, by aforementioned superimposed after matrix with strengthen material deliver into the melt molding device that first-class is installed with meter; Then carry out step S40, be covered with a press belt of a silica gel thin film by surface cushion, carry out heating and the pressurized treatments of step S41; Last then with step S42, cool, make this composite wood sheet material curing molding.
In step slo, according to institute for manufacture thermoplastic composite material select suitable matrix with enhancing material.Can according to desirable strength about enhancing material, modulus, the characteristic such as wear-resisting or heat-resisting, select: dacron fibre (PET), glass fibre, boron fibre, ceramic fibre, whisker, asbestos, metallic fiber, PPTA (PPTA), namely aramid fiber (Aramid fiber), carbon fiber, superelevation average molecular weight polyethylene fiber (UHMW-PE), polybenzoxazole fibre (PBO), 2, 5-dihydroxy-1, 4-pyridobismidazole (PIPD), polyester fiber, cotton, fiber crops or paper, but not as limit.
Polyethylene, polypropylene, polyvinyl chloride, polystyrene, ABS resin, nylon, Merlon, PET, polyether-ether-ketone, polyether-ketone, polysulfones, PPSU, PEI, polyether sulfone, polyimides or polyamidoimide is then can be as matrix, but also not as limit.
By the configuration of charging roller, the order that its each interlayer is superimposed can be determined, then carries out the superimposed of step S20 after getting out the material of required compound.Material after superimposed then sends into the first-class melt molding device being installed with meter further in step S30, in wherein carrying out the process (step S41, S42) of hot pressing and solidification.In aforementioned treatment Step, the heating unit in melt molding device, presser unit and cooling unit, the press belt being all covered with a silica gel thin film by surface cushion in step S40 carries out.The release effect produced due to silica gel thin film and cushioning effect, can produce the finished product of the composite board with excellent flat surface.
Consulting Fig. 2, is the flow chart of steps of second embodiment of the invention.In order to reach the object of consecutive production Thermoplastic Laminates, after abovementioned steps S42, step S50 can be carried out further, furl, make after suitably controlling hot pressing, solidifying the processing time, directly finished product can be furled, and reach the object of the consecutive production of volume to volume.If step S50 also can be replaced with step S60 by the composite board only for manufacturing preliminary dimension, and cuts, manufacture the sheet material of predetermined dimension size.
Consulting Fig. 3, Fig. 4, is device and the partial schematic diagram thereof of third embodiment of the invention.Third embodiment of the invention provides a kind of manufacturing installation of Thermoplastic Laminates.This device comprises: multiple charging roller 10, trigger squeeze 20 and the first-class melt molding device 30 being installed with meter.Charging roller 10 can be loaded onto for the stock of compound, then to press via trigger squeeze 20 is superimposed, afterwards through etc. be installed with the hot-forming of the melt molding device 30 of meter, can Thermoplastic Laminates be produced.
Charging roller 10, can according to institute wish composite number relative set, in the present embodiment for compound " Merlon-glass fibre-Merlon ", therefore respectively at each charging roller 10 being loaded onto the glass fabric strengthening material 11, and the polycarbonate film of matrix 12, and sequentially from top to bottom configure.
Via charging roller 10 conveying can by glass fabric and polycarbonate film superimposed and enter trigger squeeze 20, and each layer compressed be superimposed together.The melt molding device 30 being installed with meter such as namely to deliver into afterwards further and carry out most important hot-forming process.Heating unit 31, one presser unit 32, cooling unit 33 and one can be respectively equipped with etc. the melt molding device 30 being installed with meter to pressurize release unit 34.Wherein, the release unit 34 that pressurizes comprises the press belt 341 that a pair web contact is exerted pressure.This press belt 341 is coated with the textile fibre cloth of polytetrafluoroethylene (PTFE) in the present embodiment, but not as limit.This press belt 341 then pads coated with a silica gel thin film 35 further.
Silica gel thin film 35, comprises the machined surface 351 of one one-tenth smooth shape in the present embodiment, and the driving face 352 of one one-tenth coarse shape.Machined surface 351 towards arrange for the sheet material direction of exerting pressure, driving face 352 then contacts with polytetrafluoroethylene (PTFE) textile fibre cloth and installs.For making pressurized plate surface smooth, machined surface 351 is a smooth surface, and it can arrange the texture of 3 ~ 5 μm of degree of depth thereon, the respiratory of resin during to increase hot pressing.As for driving face 352, then large for making with the frictional force of polytetrafluoroethylene (PTFE) textile fibre cloth, with energy transmission smoothly, coarse surface can be set to.The film thickness of silica gel thin film 35 can be 0.2 ~ 0.5mm in the present embodiment, but not as limit, can according to for the size of exerting pressure and matrix or the material strengthening material, select the silica gel thin film of suitable thickness.
In hot pressing, heating unit 31, presser unit 32 and cooling unit 33, all act on pending sheet material through padding the press belt 341 being covered with silica gel thin film 35.Its sequentially via the laser heating of heating unit 31 by making glass fabric impregnation after polycarbonate melt wherein, then apply pressure with presser unit 32 and make the Merlon of melting closely then, and the thickness needed for extruding.Last again by the cooling gradually of cooling unit 33, the Merlon of melting impregnation is solidified gradually, simultaneously through the release effect of silica gel thin film 35, smooth surface and the buffering effect that produces, can produce and there is flat surface and specification unanimously can not exceed the polycarbonate glass fiber composite material sheet material of thickness deviation scope because of pressurization.Wherein, the temperature that heating unit 31 heats can 150 ~ 280 DEG C of scopes, and the pressure of presser unit 32 then can be 5 ~ 25kg/cm
2.About time, the temperature of each unit effect, can be adjusted according to the mobility of the character of material, resin and thermal conductivity factor etc., be therefore not limited to aforementioned condition.
Consulting Fig. 5, Fig. 6, is the schematic diagram of the present invention fourth, fifth embodiment.In order to reach the object of consecutive production further, can further in etc. be installed with meter melt molding device 30 a retracting roller 40 is set, the composite wood sheet material after shaping is furled, the consecutive production of volume to volume can be completed.On the other hand, if when wish produces the composite wood sheet material of predetermined dimension size, then replaceable installing one cutter 50, to carry out cutting of preliminary dimension.
Claims (10)
1. a manufacture method for Thermoplastic Laminates, is characterized in that, comprising:
One matrix and at least one enhancing material are provided;
By this matrix and this enhancing material superimposed after deliver into the melt molding device that first-class is installed with meter;
The press belt being covered with a silica gel thin film by surface cushion in this melt molding device carries out heating and pressurized treatments; And
Carry out cooling processing.
2. the manufacture method of Thermoplastic Laminates as claimed in claim 1, is characterized in that, this silica gel thin film comprises one in coarse and for the driving face and of transmission in smooth and contact the machined surface of sheet material.
3. the manufacture method of Thermoplastic Laminates as claimed in claim 1 or 2, it is characterized in that, the thickness of this silica gel thin film is 0.2 ~ 0.5mm.
4. the manufacture method of Thermoplastic Laminates as claimed in claim 3, it is characterized in that, the machined surface of this silica gel thin film is provided with the texture of 3 ~ 5 μm of degree of depth further.
5. the manufacture method of Thermoplastic Laminates as claimed in claim 3, it is characterized in that, the condition of this pressurization is 5 ~ 25Kg/cm
2.
6. the manufacture method of Thermoplastic Laminates as claimed in claim 5, it is characterized in that, the method carries out furling or cutting further, and is that continuity or noncontinuity are produced.
7. the manufacture method of Thermoplastic Laminates as claimed in claim 1, it is characterized in that, this enhancing material is selected from by dacron fibre, glass fibre, boron fibre, ceramic fibre, metallic fiber, PPTA, carbon fiber, superelevation average molecular weight polyethylene fiber, polybenzoxazole fibre, 2, 5-dihydroxy-1, 4-pyridobismidazole, polyester fiber, cotton, the group that fiber crops and paper form, and this matrix is selected from: polyethylene, polypropylene, polyvinyl chloride, polystyrene, ABS resin, nylon, Merlon, PET, polyether-ether-ketone, polyether-ketone, polysulfones, PPSU, PEI, polyether sulfone, the group that polyimides and polyamidoimide form.
8. a manufacturing installation for Thermoplastic Laminates, is characterized in that, comprising:
Multiple charging roller, at least in order to carry an enhancing material and at least one matrix;
One trigger squeeze, in order to by this enhancing material and this matrix phase superimposed; And
First-class is installed with the melt molding device of meter, is provided with and comprises:
One heating unit;
One presser unit;
One cooling unit; And
The release unit of one pressurization, be provided with a press belt, this press belt surface cushion is covered with a silica gel thin film,
Wherein, this heating unit, this presser unit and this cooling unit through this press belt to this matrix and this armature heats and pressurized treatments.
9. the manufacturing installation of Thermoplastic Laminates as claimed in claim 8, is characterized in that, be provided with retracting roller or a cutter further.
10. the manufacturing installation of Thermoplastic Laminates as claimed in claim 8 or 9, it is characterized in that, this silica gel thin film comprises one in coarse and for the driving face and of transmission in smooth and contact the machined surface of sheet material, and the thickness of this silica gel thin film is 0.2 ~ 0.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310728588.8A CN104723580A (en) | 2013-12-20 | 2013-12-20 | Manufacturing method for thermoplastic composite material plate and device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310728588.8A CN104723580A (en) | 2013-12-20 | 2013-12-20 | Manufacturing method for thermoplastic composite material plate and device thereof |
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| CN104723580A true CN104723580A (en) | 2015-06-24 |
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| CN201310728588.8A Pending CN104723580A (en) | 2013-12-20 | 2013-12-20 | Manufacturing method for thermoplastic composite material plate and device thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105038227A (en) * | 2015-07-31 | 2015-11-11 | 苏州天健竹业科技有限公司 | Preparation method of weather-resistant composite for bicycle handle |
-
2013
- 2013-12-20 CN CN201310728588.8A patent/CN104723580A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105038227A (en) * | 2015-07-31 | 2015-11-11 | 苏州天健竹业科技有限公司 | Preparation method of weather-resistant composite for bicycle handle |
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Application publication date: 20150624 |