CN102935653B - Vibrated steel wire auxiliary material production method for GRC (glass-fiber reinforced composite) flat panels - Google Patents
Vibrated steel wire auxiliary material production method for GRC (glass-fiber reinforced composite) flat panels Download PDFInfo
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- CN102935653B CN102935653B CN201210389367.8A CN201210389367A CN102935653B CN 102935653 B CN102935653 B CN 102935653B CN 201210389367 A CN201210389367 A CN 201210389367A CN 102935653 B CN102935653 B CN 102935653B
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Abstract
The invention discloses a vibrated steel wire auxiliary material production method for GRC (glass-fiber reinforced composite) flat panels, which comprises the following the processing steps: A, glass fiber debonding and separating: enabling bunchy chopped glass fibers to pass through a vibrated steel wire so that the glass fibers are debonded and separated into loose single fibers through vibrating; B, stacking: stacking magnesium sulphoaluminate cement paste with the debonded and separated chopped glass fibers so as to obtain a stacked mixture; C, vibration mixing: carrying out vibration mixing on the stacked mixture through the vibrated steel wire so as to obtain an uniform mixture; and D, roll-in forming: pressing the uniform mixture into a flat panel through a rolling device. The method has the advantages that the magnesium sulphoaluminate cement paste can be stirred in a smaller water-cement ratio, and a produced GRC flat panel subjected to curing is lower in porosity and high in panel density and strength.
Description
Technical field
This invention relates to the dull and stereotyped field of GRC.
Background technology
The dull and stereotyped technique of existing production GRC (glass fiber reinforced cement composite material) is the high-speed cutting gunite of the seventies Englishman invention in last century.This technological principle is compressing after mix in space through the short glass fiber of cutting and Atomized cement slip.No matter be that double end is sprayed or sprayed with one heart, all have the rule that decays to border and constantly change along jet gradually from jet-core region, thereby exist the defect that homogenization degree is not high.
Summary of the invention
Object of the present invention is exactly for the deficiencies in the prior art, and a kind of GRC plate vibration steel wire stone production method is provided.
Processing technology step of the present invention is:
A, glass fibre are loosened, are separated: by pencil short glass fiber, by vibration steel wire, glass fibre is loosened, separated and form loose single fiber by vibration;
B, stacked: by stacked with the short glass fiber of loosening, separating sulphur magnesium aluminate cement slurry, make stacked compound;
C,
vibration is mixedmaterial: above-mentioned stacked compound is vibrated by vibration steel wire
mixedmaterial, makes even
mixedmaterial;
D, roll-forming: by above-mentioned even
mixedmaterial is pressed into flat board by rolling equipment.
Vibration steel wire in A processing technology step is vibration steel wire case, vibration steel wire case is made up of casing, many steel wires, motor, connecting rod and multiple eccentric wheels, the two ends of many steel wires are connected with the tank wall of casing both sides, and connecting rod is connected with the line shaft of motor, and multiple eccentric wheels are arranged on connecting rod.Many steel wires are space two-dimensional omnidirectional distribution in casing, are radially greater than the length of pencil glass fibre in the spacing of vertical plane projection with broadwise; The parallel lines spacing of warp-wise and broadwise steel wire is less than the length of pencil glass fibre, and each steel wire of arranging parallel warp-wise and broadwise staggers mutually.
Vibration steel wire in C processing technology step is vibration steel wire blender, vibration steel wire blender is made up of the casing of frame, body vibration, many steel wires, motor, the casing of body vibration is arranged in frame by rotating shaft with bearing, and many steel wire two ends are connected with the casing of body vibration respectively.
figure of description
Fig. 1 is this vibration steel wire box structure schematic diagram;
Fig. 2 is this vibration steel wire mixer structure schematic diagram;
Advantage of the present invention is:
1, sulphur magnesium aluminate cement slurry can stir with the less ratio of mud, and after dull and stereotyped the solidifying of GRC of production, porosity is lower, panel density, and intensity is high.
2, the glass fibre homogenization degree in the GRC flat board of producing is high, has avoided sheet material to produce stress and has concentrated.
3, equipment is simple, and cost is low, and maintenance cost is few, can realize the dull and stereotyped large-scale production of GRC.
the specific embodiment
Processing technology step of the present invention is:
A, glass fibre are loosened, are separated: by pencil short glass fiber, by vibration steel wire, glass fibre is loosened, separated and form loose single fiber by vibration;
B, stacked: by stacked with the short glass fiber of loosening, separating sulphur magnesium aluminate cement slurry, make stacked compound;
C,
vibration is mixedmaterial: above-mentioned stacked compound is vibrated by vibration steel wire
mixedmaterial, makes even
mixedmaterial;
D, roll-forming: by above-mentioned even
mixedmaterial is pressed into flat board by rolling equipment.
Vibration steel wire in A processing technology step is vibration steel wire case, vibration steel wire case is made up of casing 1, many steel wires 2, motor, connecting rod and multiple eccentric wheels 3, the two ends of many steel wires 2 are connected with the tank wall of casing 1 both sides, connecting rod is connected with the line shaft of motor, and multiple eccentric wheels 3 are arranged on connecting rod.Many steel wires 2 are space two-dimensional omnidirectional distribution in casing 1, are radially greater than the length of pencil glass fibre in the spacing of vertical plane projection with broadwise; The parallel lines spacing of warp-wise and broadwise steel wire is less than the length of pencil glass fibre, and each steel wire of arranging parallel warp-wise and broadwise staggers mutually.
Vibration steel wire in C processing technology step is vibration steel wire blender, vibration steel wire blender is made up of the casing 4 of frame, body vibration, many steel wires 5, motor, the casing 4 of body vibration is arranged in frame by rotating shaft with bearing, and many steel wire 5 two ends are connected with the casing 4 of body vibration respectively.Sulphur magnesium aluminate cement is mixed with as blender using Adlerika, and in magnesium cement slurry, needs to increase string particle as composite material, improves the toughness of sheet material.If the volume fraction of medium-alkali glass fibre is 8%, the volume fraction of string particle is 40%, and the thickness of sheet material is 6mm-8mm, and the sheet material apparent density of producing is so 1.13g/cm
3-1.17g/m
3, bending strength is 15MPa-13MPa.Because the medium-alkali glass fibre in sheet material is with three-dimensional (3D) distributions, the sheet material stable mechanical property of producing than the casting rolling process of traditional employing fiberglass gridding cloth, long service life.
Principle of the present invention is the force vibration that forces of the vibrated steel wire of pencil short glass fiber, makes pencil short glass fiber loosen, separate through repeatedly existing the vibration of frequency difference and amplitude difference, and its principle is similar to fluff cotton.
1, frequency difference
When pencil short glass fiber contact vibration steel wire, be subject to the periodically effect of External forcing power, start the forced vibration transition to fundamental frequency, frequency multiplication.Pencil short glass fiber is to be assembled and formed by less glass fiber bundle and individual glass fibers unit, due to the intrinsic frequency of each part and mutual internal friction, hampers this transition, has occurred damping vibration.In pencil short glass fiber, each part is not synchronous to the response of periodic External forcing power.The asynchronous initial phase of pulling open vibration of this response.And the different intrinsic frequency of the each part of pencil short glass fiber makes each part occur frequency difference.The appearance of frequency difference, has cut down the internal friction of each part, makes pencil short glass fiber loosening.
2, amplitude difference
First amplitude difference is that Wire Vibration periodically clashes into generation by the external world due to the amplitude variations of vibration steel wire.Between secondary impact, be not also able to do in time to forced vibration transition, amplitude is just in decay.The vibration steel wire of amplitude variations makes each part in pencil short glass fiber occur amplitude difference naturally, because each part is from the different response differences that produce of distance of vibration source, the spacing of the each part of pencil short glass fiber will strengthen, and cause separation.
3, multistage vibration
Frequency difference has been cut down the internal friction of each part in pencil short glass fiber, and amplitude difference has widened the distance between each part.In the process that pencil short glass fiber drops from the top down, through repeatedly with the collision of vibration steel wire, finally also just loosen completely and come off and separate, appearance be the individual glass fibers of loose shape.
Claims (4)
1. a GRC plate vibration steel wire stone production method, is characterized in that its processing technology step is:
A, glass fibre are loosened, are separated: by pencil short glass fiber, by vibration steel wire, glass fibre is loosened, separated and form loose single fiber by vibration;
B, stacked: by stacked with the short glass fiber of loosening, separating sulphur magnesium aluminate cement slurry, make stacked compound;
C,
vibration is mixedmaterial: above-mentioned stacked compound is vibrated by vibration steel wire
mixedmaterial, makes even
mixedmaterial;
D, roll-forming: by above-mentioned even
mixedmaterial is pressed into flat board by rolling equipment.
2. a kind of GRC plate vibration steel wire stone production method according to claim 1, it is characterized in that the vibration steel wire in A processing technology step is vibration steel wire case, vibration steel wire case is made up of casing (1), many steel wires (2), motor, connecting rod and multiple eccentric wheel (3), the two ends of many steel wires (2) are connected with the tank wall of casing (1) both sides, connecting rod is connected with the line shaft of motor, and multiple eccentric wheels (3) are arranged on connecting rod.
3. a kind of GRC plate vibration steel wire stone production method according to claim 2, it is characterized in that many steel wires (2) are space two-dimensional omnidirectional distribution in casing (1), are radially greater than the length of pencil glass fibre in the spacing of vertical plane projection with broadwise; The parallel lines spacing of warp-wise and broadwise steel wire is less than the length of pencil glass fibre, and each steel wire of arranging parallel warp-wise and broadwise staggers mutually.
4. a kind of GRC plate vibration steel wire stone production method according to claim 1, it is characterized in that the vibration steel wire in C processing technology step is vibration steel wire blender, vibration steel wire blender is made up of casing (4), many steel wires (5), the motor of frame, body vibration, the casing (4) of body vibration is arranged in frame by rotating shaft with bearing, and many steel wires (5) two ends are connected with the casing (4) of body vibration respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210389367.8A CN102935653B (en) | 2012-10-15 | 2012-10-15 | Vibrated steel wire auxiliary material production method for GRC (glass-fiber reinforced composite) flat panels |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210389367.8A CN102935653B (en) | 2012-10-15 | 2012-10-15 | Vibrated steel wire auxiliary material production method for GRC (glass-fiber reinforced composite) flat panels |
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| Publication Number | Publication Date |
|---|---|
| CN102935653A CN102935653A (en) | 2013-02-20 |
| CN102935653B true CN102935653B (en) | 2014-05-28 |
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| CN201210389367.8A Expired - Fee Related CN102935653B (en) | 2012-10-15 | 2012-10-15 | Vibrated steel wire auxiliary material production method for GRC (glass-fiber reinforced composite) flat panels |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS598529B2 (en) * | 1978-12-26 | 1984-02-25 | 旭硝子株式会社 | Vibration molding method for GRC molded bodies |
| JPS63278803A (en) * | 1987-05-09 | 1988-11-16 | Minoru Sugisawa | Process simultaneously aligning foamed concrete on surface of grc cement mortar mixed with self emulsifiable epoxyresin |
| CN1205264A (en) * | 1997-07-14 | 1999-01-20 | 葛焕林 | Prodn. tech. and its appts. for glass fibre reinforced cement slab products |
| CN1209379A (en) * | 1997-08-22 | 1999-03-03 | 葛焕林 | Method for producing fire-retardant plate of fiber-concrete |
| CN1244509A (en) * | 1999-08-11 | 2000-02-16 | 陆根林 | Glass fiber reinforced cement board and its production process |
-
2012
- 2012-10-15 CN CN201210389367.8A patent/CN102935653B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS598529B2 (en) * | 1978-12-26 | 1984-02-25 | 旭硝子株式会社 | Vibration molding method for GRC molded bodies |
| JPS63278803A (en) * | 1987-05-09 | 1988-11-16 | Minoru Sugisawa | Process simultaneously aligning foamed concrete on surface of grc cement mortar mixed with self emulsifiable epoxyresin |
| CN1205264A (en) * | 1997-07-14 | 1999-01-20 | 葛焕林 | Prodn. tech. and its appts. for glass fibre reinforced cement slab products |
| CN1209379A (en) * | 1997-08-22 | 1999-03-03 | 葛焕林 | Method for producing fire-retardant plate of fiber-concrete |
| CN1244509A (en) * | 1999-08-11 | 2000-02-16 | 陆根林 | Glass fiber reinforced cement board and its production process |
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| CN102935653A (en) | 2013-02-20 |
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