CN1096730A - " plastic-steel wood " and manufacture method thereof - Google Patents
" plastic-steel wood " and manufacture method thereof Download PDFInfo
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- CN1096730A CN1096730A CN 93107129 CN93107129A CN1096730A CN 1096730 A CN1096730 A CN 1096730A CN 93107129 CN93107129 CN 93107129 CN 93107129 A CN93107129 A CN 93107129A CN 1096730 A CN1096730 A CN 1096730A
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Abstract
A kind of Wood plastic composite---plastic-steel wood and manufacture method thereof can be rolled into sheet with the timber except that bark, root, the tip, injects resin, can add material such as nylon fiber as reinforcement, multilayer stack, compression molding, cure under pressure is made the plastic-steel wood section of difformity, specification.Than general timber and Wood plastic composite mechanical strength height, cost is low.Can be widely used as building materials, ornament materials, furniture material, boats and ships and sports apparatus material.
Description
The invention relates to the invention of " plastic-steel wood "-a kind of Wood plastic composite and manufacture method thereof, belong to the composite processing technique field.
Existing Wood plastic composite generally is to adopt natural high-quality timber, is processed into certain section bar (as sheet material), and injection resin, curing are made.Its critical process is that resin injects, and to guarantee that resin evenly is injected into timber inside, adopts two kinds of methods in the past, and a kind of is the natural immersion method in the open container under normal pressure, because wood structure is complete, it is undesirable that resin injects effect, and abandoning substantially need not; Another kind is pressurization or the decompression pressurization in closed container, being about to preformed timber is put in the closed container, carry out resin under the general normal atmosphere pressure and inject being higher than, perhaps vacuumize earlier, after making the bubble effusion in the timber gap, pressurization is more under high pressure carried out resin and is injected (referring to 1988 the 3rd phases of Chinese magazine " world inventions ", P13).Existing these Wood plastic composite manufacture methods have the following disadvantages, and the one, must select for use high-quality timber as raw material, the 2nd, it is chronic that resin injects, and effect is undesirable, directly influences composite effect, the 3rd, the Wood plastic composite mechanical strength that is processed into improves limited, and the cost height.
The object of the present invention is to provide a kind of new Wood plastic composite manufacture method, thus can provide a kind of new, mechanical strength is higher, be convenient to be prefabricated into the required form section bar, Wood plastic composite-plastic-steel wood that cost is low.
The wooden making method of plastic-steel provided by the invention comprises following process steps:
A, timber preprocessing moulding;
B, timber preliminary treatment;
C, resin inject;
D, first molded;
E, resin solidification.
Above-mentioned technical process and general Wood plastic composite manufacture method institute difference are:
1, in step a, be timber vertically to be rolled into sheet along fiber with milling train; In order to prevent upset in the operation of rolling, can in advance the bark of timber be peelled off, be cut into appropriate size (general length is more than a meter, and thickness is suitable), soak through water logging, use mill milling again.Milling train can be used general two rolled steel machines, and by adjusting the roll spacing of roll, continuous several times is rolling, is rolled into soft sheet timber at last, and controllable thickness is best built in 1-2cm, then thermal dehydration.The sheet lumber fibre that is crushed laterally links destroyed, vertically links harmless substantially.Rolling wood raw material is not had specific (special) requirements, only need certain-length (about a meter), crooked more piece wood, branch crotch, round log leftover bits and pieces, undersized log, wooden soft fast growing wood etc. all can utilize.
2, in step c, be resin to be injected sheet timber inside with the mode of spray or immersion.Because timber is rolled into soft sheet, fibre bundle scatters substantially, and liquid resin immerses to become and is easy to, and needn't vacuumize in airtight container, and pressurization just can very fast even injection.
3, the increase steps d is just molded between step c and e, and this is unexistent in the past manufacture method.Just moldedly mainly reach three purposes, the one, resin is fully injected, soak into the sheet wood internal structure; The 2nd, it is more even that resin and sheet density of wood are distributed; The 3rd, according to the preliminary compression molding of last needed profile shapes.Can adopt multidirectional vibration press first pressing moulding just.Multidirectional vibration just press is made up of pressue device, vibrating device, mobile device, die fixture, control device.Can be according to requirements such as the shape of required section bar, size, thickness, to inject the still uncured sheet timber multilayer superposition of resin earlier, in order to strengthen its intensity, can also between sheet timber, add fiber (as nylon fiber, nylon mesh sheet, carbon fiber etc.), carry out just molded again as reinforcement.To be individually fixed on the die fixture according to the made mould of required section bar earlier, adjust relative position, the still uncured sheet timber of the immersion resin that will repeatedly put well is again put into mould as the blank material, pressurization then, the vibration that in pressure process, keeps certain frequency, play the effect of vibrating, last preliminary compression molding.
4, in step e, the blank of preliminary compression molding is put into the mould that is fixed in the cure under pressure machine, pressurized, heated is solidified (can not heating for the blank that adopts cold solid type resin).The cure under pressure machine can adopt the pressure forming machine of general making particieboard, suitably repacking.The general Wood plastic composite resin solidification operation of making does not need pressurization.
In step b, the Wood plastic composite method is identical with generally processing, and is the specific (special) requirements according to required composite, and timber is carried out specially treated, as fire-retardant, waterproof, corrosion-resistant etc.
The manufacture method of plastic-steel wood provided by the invention has the following advantages:
1, the raw material requirement is low, utilization rate is high to processing, and can utilize except bark, root, the tip.
2, production efficiency height can be formed production line with many machines, and mechanization is produced continuously, and the resin injection mode is simple, and the time is short, and is effective, is evenly distributed.
3, adopt the made plastic-steel wood of this method, resin and density of wood are evenly distributed, can be to form by suppressing behind the multilayer chip timber injection resin, can also between sheet timber, be added with fibrous material as reinforcement, therefore mechanical strength is not only than general timber, and improves greatly than general plastic composite materials.
4, adopt this method, can be in the process of making Wood plastic composite, directly compression molding, cure under pressure becomes the section bar of various difformities, specification, and use directly is provided, and needn't carry out post-production again.
5, adopt this method, since the timber utilization rate height, the production efficiency height, and made plastic-steel wood cost is low.
6, in process, can add special chemical materials, dyestuff etc. easily, make plastic-steel wood with property such as fire-retardant, corrosion-resistant.
7, made plastic-steel wood is of wide application, and can make building materials, ornament materials, furniture material, boats and ships and sports apparatus material.
Claims (10)
1, a kind of manufacture method of plastic-steel wood comprises following process steps:
A, timber preprocessing moulding;
B, timber preliminary treatment;
C, resin inject;
E, resin solidification.
It is characterized in that, in step a, be with milling train timber vertically to be rolled into sheet along fiber; Between step c and e, it is just molded to increase steps d; In step e, be to adopt extrusion forming to solidify.
2, manufacture method as claimed in claim 1 is characterized in that, in step a, in advance the bark of timber is peelled off, and is cut into appropriate size, soaks through water logging, uses mill milling again.
3, manufacture method as claimed in claim 1 is characterized in that, in step c, is with the mode of spray or immersion resin to be injected sheet timber inside.
4, manufacture method as claimed in claim 1 is characterized in that, in steps d, is to adopt multidirectional vibration press first pressing moulding just.
5, manufacture method as claimed in claim 1 is characterized in that, in steps d, can also add the fibrous material as reinforcement between sheet timber earlier with injecting the still uncured sheet timber multilayer superposition of resin, carries out just molded again.
6, manufacture method as claimed in claim 1 is characterized in that, in step e, is the blank of preliminary compression molding to be put into be fixed in the mould that adds press, cure under pressure.
7, a kind of plastic-steel wood is characterized in that, adopts manufacture method as claimed in claim 1 to make.
8, a kind of plastic-steel wood as claimed in claim 7 is characterized in that, forms by suppressing behind the multilayer chip timber injection resin, can also be added with the fibrous material as reinforcement between sheet timber.
9, a kind of plastic-steel wood as claimed in claim 7 is characterized in that, is in the process of making Wood plastic composite, directly compression molding, the section bar that is heating and curing and makes.
10, a kind of first press of multidirectional vibration that is used for manufacture method steps d as claimed in claim 1 is characterized in that, is made up of pressue device, vibrating device, mobile device, die fixture, control device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93107129 CN1096730A (en) | 1993-06-22 | 1993-06-22 | " plastic-steel wood " and manufacture method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93107129 CN1096730A (en) | 1993-06-22 | 1993-06-22 | " plastic-steel wood " and manufacture method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1096730A true CN1096730A (en) | 1994-12-28 |
Family
ID=4986576
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 93107129 Pending CN1096730A (en) | 1993-06-22 | 1993-06-22 | " plastic-steel wood " and manufacture method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1096730A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101065236B (en) * | 2004-11-24 | 2010-10-27 | 特里斯帕国际公司 | Method for deforming a plastic plate |
| CN102173025A (en) * | 2011-02-01 | 2011-09-07 | 上海澳金玻璃钢制品有限公司 | Process for manufacturing foaming shower tray |
-
1993
- 1993-06-22 CN CN 93107129 patent/CN1096730A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101065236B (en) * | 2004-11-24 | 2010-10-27 | 特里斯帕国际公司 | Method for deforming a plastic plate |
| CN102173025A (en) * | 2011-02-01 | 2011-09-07 | 上海澳金玻璃钢制品有限公司 | Process for manufacturing foaming shower tray |
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| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C01 | Deemed withdrawal of patent application (patent law 1993) | ||
| WD01 | Invention patent application deemed withdrawn after publication |