CN102990729B - Manufacture method of high-strength and clear-water full-eucalyptus film-sticking arc-shaped gluing building template - Google Patents
Manufacture method of high-strength and clear-water full-eucalyptus film-sticking arc-shaped gluing building template Download PDFInfo
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- CN102990729B CN102990729B CN201210556861.9A CN201210556861A CN102990729B CN 102990729 B CN102990729 B CN 102990729B CN 201210556861 A CN201210556861 A CN 201210556861A CN 102990729 B CN102990729 B CN 102990729B
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Abstract
The invention discloses a manufacture method of a high-strength and clear-water full-eucalyptus film-sticking arc-shaped building template. The manufacture method comprises the following steps of: coating urea-formaldehyde glue on eucalyptus veneers; crisscross overlapping the eucalyptus veneers to form a multi-layer gluing plate; laying a layer of black phenolic aldehyde film or melamine film on the upper surface or the lower surface of the multi-layer gluing plate; bending and deforming the multi-layer gluing plate through a press to form an arc-shaped template; and curing the urea-formaldehyde glue at a high temperature so as to fix and size the arch-shaped template. The manufacture method disclosed by the invention is established on the basis of a principle of coating rice soup on newspaper and is simple in process and low in cost; and the manufactured arc-shaped template is convenient to construct, reliable in quality, high in safety, economic and nice.
Description
Technical field
The invention belongs to building template technical field, particularly relate to the preparation method of a kind of high-strength clear water full Eucalyptus pad pasting arc gummed building template.
Background technology
Along with the development of economic society, the pursuit of people to U.S. is growing, doting on especially to modern times moulding attractive in appearance, as the arch steel concrete structure of building aspect.In the design of all kinds of novel building moulding, as the canopy, eaves, door paulin, gymnasium etc. of building, all emerge in multitude arch steel concrete structure moulding.But, traditional construction adopts fillet, little plank field fabrication arcuate building template, can not be one-body molded due to employing splicing fabrication and installation, after form removal, seam is numerous, arc curve also will whitewash twice cement mortar again, both unsightly, also there is potential safety hazard, may hurt sb.'s feelings because the cement mortar whitewashed comes off.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of preparation method of economical and practical, high-strength clear water full Eucalyptus pad pasting arc that technique is simple, safe and reliable, handsome in appearance gummed building template.
For solving the problems of the technologies described above, the present invention adopts following technical scheme: the preparation method of a kind of high-strength clear water full Eucalyptus pad pasting arc gummed building template, Eucalyptus veneer is adopted to coat the cross layered composition multi-plywood of urine aldehyde glue, multi-plywood upper surface or lower surface paving one deck black phenolic aldehyde film or melamine film, multi-plywood flexural deformation camber template is made by forcing press, aldehyde adhesive curing will be urinated by high temperature again, thus make arc formwork fixed-type.
The preparation method of above-mentioned high-strength clear water full Eucalyptus pad pasting arc gummed building template, comprises the following steps:
<1> is by the radian shape of the arch steel concrete structure appearance of engineering design, the upper and lower male and female template of arc is made with fillet and plank, nail in appearance at caster arc again, cloth two-way concrete slab mesh sheet, C30 pea gravel concreten radian light face, when concrete strength reaches C20, be arranged on the upper and lower pressing plate of forcing press;
<2> spary urine aldehyde glue on Eucalyptus veneer, stacked for the Eucalyptus single plate cross of glue spraying be combined into pattern blank after, upper surface or lower surface paving one deck black phenolic aldehyde film or melamine film, be assembled into bakelite sheet laminated plate;
The layering of <3> aluminum veneer folds up between polylith bakelite sheet laminated plate, put into the forcing press being provided with the upper and lower male and female template of arc, after 120 ~ 180 tons of distortion of pressurizeing are closely knit, 180 ~ 220 DEG C are heated at the upper and lower pressing plate electric furnace of forcing press, and wrap up the template in forcing press with fire-resistant canvas, 100 DEG C ~ 130 DEG C steam curings solid plasticizing in 20 ~ 60 minutes is sprayed to the template in fire-resistant canvas parcel, cool out machine, the finishing of saw limit, on arc formwork limit, brushing one deck waterproof abrasionproof phenolic aldehyde paint, to obtain final product.
Urine aldehyde glue is prepared by weight 1:1.757:0.01:0.003 by urea, formaldehyde, caustic soda and sal-ammoniac (curing catalysts).
The solids content of urine aldehyde glue is 60%.
Arcuate building template for arch steel concrete structure in architectural engineering needs on-the-spot splicing to make, it installs and uses inconvenience, poor stability, the problem such as unsightly, inventor is in long-term Construction practices, utilize thin rice gruel to stick with paste newspaper principle and establish method of the present invention, for making the Special arc building template of arch steel concrete structure, that is: the veneer making multi-plywood belongs to flexible deformable material, and black phenolic aldehyde film or melamine film belong to urine aldehyde glue namely high temperature become solid material by liquid state.By solidification glueing material, thus make arc formwork fixed-type, just as a folded newspaper, after layering brushing thin rice gruel, flexural deformation, in the course of time, thin rice gruel solidifies, and this folded newspaper has just buckled.Present invention process is simple, with low cost, the arc formwork easy construction of production, reliable in quality, high safety, economical and beautiful.
Accompanying drawing explanation
Fig. 1 is the rough schematic of the preparation method of the high-strength clear water of the present invention full Eucalyptus pad pasting arc gummed building template.
In figure: arching pressure plate (male template) on 1,2 arc lower pressure plares (caster), 3 bakelite sheet laminated plates, 4 aluminum veneers.
Detailed description of the invention
Embodiment 1
<1> material prepares
Urine aldehyde glue is prepared by weight 1:1.757:0.01:0.003 by urea, formaldehyde, caustic soda and curing catalysts sal-ammoniac (adding before brushing), and the solids content of urine aldehyde glue is 60%.
<2> is by the radian shape of the arch steel concrete structure appearance of engineering design, the upper and lower male and female template of arc (1 and 2) is made with fillet and plank, nail in appearance at caster arc again, the two-way diameter of cloth 1.5 millimeters of bar spacings 25 millimeters of mesh sheet, C30 pea gravel concreten (thickness 30 millimeters) radian light face, when concrete strength reaches C20, be arranged on the upper and lower pressing plate of forcing press;
<3> is by making requested number spary urine aldehyde glue on the thick dry Eucalyptus veneer of 1mm (moisture content is lower than 10%), stacked for the Eucalyptus single plate cross of glue spraying be combined into 6 ~ 14mm pattern blank after, according to the cambered surface layer of Practical Project concrete surface at the black phenolic aldehyde film of upper surface or lower surface paving one deck 0.2 millimeters thick or melamine film, assembled growth 2440 millimeters × wide 1220 millimeters of bakelite sheet laminated plate 3(thickness determine as required);
Aluminum veneer 4 layering of the long 2440 millimeters × wide 1220 millimeters × thickness 0.3 millimeter of <4> folds up between (long 2440 millimeters × wide 1220 millimeters) polylith bakelite sheet laminated plate 3, put into the forcing press being provided with the upper and lower male and female template of arc, general single step of releasing 6 plates, after 120 ~ 180 tons of distortion of pressurizeing are closely knit, on forcing press, lower platen electric furnace is heated to 180 ~ 220 DEG C, and wrap up the template in forcing press with fire-resistant canvas, 100 DEG C ~ 130 DEG C steam curings solid plasticizing in 20 ~ 60 minutes is sprayed to the template in fire-resistant canvas parcel, cool out machine, the finishing of saw limit, brushing one deck waterproof abrasionproof phenolic aldehyde paint on arc formwork limit, obtain high-strength clear water full Eucalyptus pad pasting arc gummed building template finished product.
Detect the arc formwork that embodiment 1 makes, its indices meets the requirements (see table 1).
Arc formwork (1220mm × 2440mm × 18mm) quality measurements that table 1 the present invention produces
Visible, the arc formwork intensity that the present invention produces is higher, and practical application shows that template generally can reuse number of times more than 20 times, is 5 times that common red glued board reuses number of times.Form removal rear arc reinforced concrete surface is smooth, curve is smooth and easy attractive in appearance, need not whitewash twice cement mortar, and the direct spraying bed of material can use.
Through measuring and calculating, the cost unit price of arc formwork every square of the present invention is: one side adhesive film material takes the thick Eucalyptus sheet material of 0.5 yuan of+10mm and takes 5.5 yuan+urine aldehyde glue material and take 1.5 yuan+labour cost, 6 yuan+equipment hydroelectric and take 3 yuan+administration fee and tax 1.5 yuan=17.5 yuan/m
2.And adopting steel typified form, disposable making form cost is 90 yuan/m
2.Visible, the cost of arc formwork of the present invention is suitable with usual flat panel form, is only the cost 1/5 of steel typified form.
Claims (3)
1. the preparation method of a high-strength clear water full Eucalyptus pad pasting arc gummed building template, it is characterized in that adopting Eucalyptus veneer to coat the cross layered composition multi-plywood of urine aldehyde glue, multi-plywood upper surface or lower surface paving one deck black phenolic aldehyde film or melamine film, multi-plywood flexural deformation camber template is made by forcing press, aldehyde adhesive curing will be urinated by high temperature again, thus make arc formwork fixed-type; Concrete operation according to the following steps:
<1> is by the radian shape of the arch steel concrete structure appearance of engineering design, the upper and lower male and female template of arc is made with fillet and plank, nail in appearance at caster arc again, cloth two-way concrete slab mesh sheet, C30 pea gravel concreten radian light face, when concrete strength reaches C20, be arranged on the upper and lower pressing plate of forcing press;
<2> spary urine aldehyde glue on Eucalyptus veneer, stacked for the Eucalyptus single plate cross of glue spraying be combined into pattern blank after, upper surface or lower surface paving one deck melamine film or black phenolic aldehyde film, be assembled into bakelite sheet laminated plate;
The layering of <3> aluminum veneer folds up between polylith bakelite sheet laminated plate, put into the forcing press being provided with the upper and lower male and female template of arc, after 120 ~ 180 tons of distortion of pressurizeing are closely knit, 180 ~ 220 DEG C are heated at the upper and lower pressing plate electric furnace of forcing press, and wrap up the template in forcing press with fire-resistant canvas, 100 DEG C ~ 130 DEG C steam curings solid plasticizing in 20 ~ 60 minutes is sprayed to the template in fire-resistant canvas parcel, cool out machine, the finishing of saw limit, on arc formwork limit, brushing one deck waterproof abrasionproof phenolic aldehyde paint, to obtain final product.
2. the preparation method of high-strength clear water according to claim 1 full Eucalyptus pad pasting arc gummed building template, is characterized in that: described urine aldehyde glue is prepared by weight 1:1.757:0.01:0.003 by urea, formaldehyde, caustic soda and sal-ammoniac.
3. the preparation method of high-strength clear water according to claim 2 full Eucalyptus pad pasting arc gummed building template, is characterized in that: the solids content of described urine aldehyde glue is 60%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210556861.9A CN102990729B (en) | 2012-12-20 | 2012-12-20 | Manufacture method of high-strength and clear-water full-eucalyptus film-sticking arc-shaped gluing building template |
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| CN201210556861.9A CN102990729B (en) | 2012-12-20 | 2012-12-20 | Manufacture method of high-strength and clear-water full-eucalyptus film-sticking arc-shaped gluing building template |
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| CN102990729A CN102990729A (en) | 2013-03-27 |
| CN102990729B true CN102990729B (en) | 2015-02-04 |
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| CN201210556861.9A Expired - Fee Related CN102990729B (en) | 2012-12-20 | 2012-12-20 | Manufacture method of high-strength and clear-water full-eucalyptus film-sticking arc-shaped gluing building template |
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| CN105415458A (en) * | 2014-09-19 | 2016-03-23 | 浙江九川竹木股份有限公司 | Processing device and method for special-shaped bamboo product |
| CN113199587B (en) * | 2021-04-02 | 2023-03-03 | 玛格家居股份有限公司 | Processing technology of arc-shaped wooden product |
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| GB2335626B (en) * | 1998-03-24 | 2002-06-26 | Prodema S A | Board |
| JP2005178096A (en) * | 2003-12-17 | 2005-07-07 | Matsushita Electric Works Ltd | Manufacturing method of woody building material |
| CN101486208A (en) * | 2008-08-28 | 2009-07-22 | 中国林业科学研究院木材工业研究所 | Bamboo wood composite plywood for concrete form panel and manufacturing method thereof |
| CN101575909A (en) * | 2009-02-24 | 2009-11-11 | 南京工业大学 | Plywood for panel of as-cast-finish concrete building template |
| CN102528877B (en) * | 2012-01-16 | 2014-04-16 | 天津市易诺利科技发展有限公司 | Hydraulic former for plain film-coated building circular template |
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