CN103101102B - Spray molding method for gypsum layer on surface of combined assembly type mandrel framework - Google Patents
Spray molding method for gypsum layer on surface of combined assembly type mandrel framework Download PDFInfo
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- CN103101102B CN103101102B CN201210593955.3A CN201210593955A CN103101102B CN 103101102 B CN103101102 B CN 103101102B CN 201210593955 A CN201210593955 A CN 201210593955A CN 103101102 B CN103101102 B CN 103101102B
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Abstract
The invention provides a spray molding method for a gypsum layer on the surface of a combined assembly type mandrel framework. Equipment adopted in the method comprises a spraying coater main body, a spray gun, an air compressor and a horizontal lathe, a storage bin is arranged in the spraying coater main body, and the storage bin and the air compressor are connected with the spray gun. The method includes the following steps: step 1, gypsum powder, a bonding solution and deionized water are mixed evenly, gypsum slurry is obtained, and then the gypsum slurry is placed into the storage bin; step 2, the combined assembly type mandrel framework is clamped on the horizontal lathe and rotates; and step 3, the gypsum slurry is sprayed on the surface of the combined assembly type mandrel framework by using of the spray gun, and the gypsum layer is obtained. According to the spray molding method for the gypsum layer on the surface of the combined assembly type mandrel framework, the traditional production technology that gypsum layer preparation depends on pure manual operation is abandoned, the problems that preparation efficiency is low, working environment is poor, conformity of gypsum layer quality is poor, and the like are effectively solved, and the gypsum layer which is good in quality conformity and high in mechanical performance is obtained on the surface of the combined assembly type mandrel framework finally.
Description
Technical field
The invention belongs to Filament Wound Composite field shaping technique, be specifically related to the spray mo(u)lding method of a kind of combination assembled core skeleton surface gypsic horizon.
Background technology
Composite has lightweight, the feature such as high-strength, in all trades and professions, has been widely used, and wherein utilizing composite to manufacture housing is one of its important application.Traditional composite material casing manufacture generally adopts gypsum core, and its reason is: gypsum material source is abundant, cheap, and convenient formation can be made the shape of various complexity, the demoulding smoothly after housing moulding.But the pure manual operations of a large amount of dependence in the manufacturing process of the combination assembled core skeleton surface gypsic horizon of domestic current, not only make efficiency is low, work under bad environment, and also product quality uniformity is poor.
Summary of the invention
Technical problem to be solved by this invention is for above-mentioned the deficiencies in the prior art, and the spray mo(u)lding method of a kind of combination assembled core skeleton surface gypsic horizon is provided.The method has been abandoned the production technology that gypsic horizon is prepared in the pure manual operations of traditional dependence, the problem such as efficiently solve that make efficiency is low, work under bad environment, gypsic horizon quality conformance are poor, finally obtains on combination assembled core skeleton surface the gypsic horizon that quality conformance is good, mechanical performance is high.
For solving the problems of the technologies described above, the technical solution used in the present invention is: the spray mo(u)lding method of a kind of combination assembled core skeleton surface gypsic horizon, it is characterized in that, the equipment that the method adopts comprises flush coater main body, spray gun, air compressor and horizontal lathe, in described flush coater main body, be provided with feed bin, the discharging opening of described feed bin is connected with the first arm of tee pipe fitting, the second arm of described tee pipe fitting is connected with the feedback outlet of feed bin by feed back pipeline, the 3rd arm of described tee pipe fitting is connected with the charging aperture of spray gun by feeding pipe, described air compressor is connected with the air inlet of spray gun by air inlet pipeline, on described feed back pipeline, be provided with first flow control valve, on described feeding pipe, be provided with second control valve, the method comprises the following steps:
Step 1, by land plaster, bonding solution and deionized water in mass ratio 1: (0.05～0.2): (0.6～1) mixes, and obtains gypsum slurry, then packs described gypsum slurry in feed bin into; The density of described gypsum slurry is 1.1g/cm
3～1.5g/cm
3, described bonding solution is polyvinyl alcohol water solution;
Step 2, by combination assembled core skeleton clamping on horizontal lathe, and utilize horizontal lathe that combination assembled core skeleton enclosure is rotated around mandrel; The speed of described rotation is 0.5r/min～20r/min;
Step 3, in spray gun, pass into gypsum slurry described in compressed air and step 1, then utilize spray gun that gypsum slurry is sprayed in step 2 around the combination assembled core skeleton surface rotating, and the quantity for spray of controlling gypsum slurry in spraying process is 0.5kg/min～50kg/min, compressed-air actuated pressure is 0.1MPa～0.5MPa, the time of spraying is 20min～90min, on the surface of combination assembling core skeleton, obtains the gypsic horizon that thickness is 20mm～100mm.
The spray mo(u)lding method of above-mentioned a kind of combination assembled core skeleton surface gypsic horizon, is characterized in that, described in step 1, in polyvinyl alcohol water solution, the quality percentage composition of polyvinyl alcohol is 10%～30%.
The spray mo(u)lding method of above-mentioned a kind of combination assembled core skeleton surface gypsic horizon, it is characterized in that, combination assembled core skeleton described in step 2 is the combination assembled core skeleton of distinguish type, the combination assembled core skeleton of barrier type or the combination assembled core skeleton of the type of tying up.
The spray mo(u)lding method of above-mentioned a kind of combination assembled core skeleton surface gypsic horizon, is characterized in that, in step 3, in spraying process, the distance between spray gun muzzle and combination assembled core skeleton surface is 0.4m～0.8m.
The present invention compared with prior art has the following advantages:
(1) the present invention has adopted the method for spraying to prepare gypsic horizon on combination assembled core skeleton surface, the efficiency that sprays of gypsum slurry is improved greatly, thereby shortened the production cycle of gypsic horizon.
(2) process that sprays of gypsum slurry of the present invention for continuously, the stable and easy mechanical process of control, make the quality conformance of combination assembled core skeleton surface gypsic horizon of spray mo(u)lding good, mechanical performance is high.
(3) the present invention has abandoned the production technology that gypsic horizon is prepared in the pure manual operations of traditional dependence, the problem such as efficiently solve that make efficiency is low, work under bad environment, gypsic horizon quality conformance are poor, finally obtains on combination assembled core skeleton surface the gypsic horizon that quality conformance is good, mechanical performance is high.
Below in conjunction with drawings and Examples, the present invention is described in further detail.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram that the present invention adopts equipment.
Description of reference numerals:
1-flush coater main body; 2-spray gun; 3-air compressor;
4-feed bin; 5-tee pipe fitting; 6-feed back pipeline;
7-feeding pipe; 8-air inlet pipeline; 9-first flow control valve;
10-second control valve; 11-horizontal lathe; The combination assembled core skeleton of 12-;
13-mandrel.
The specific embodiment
As shown in Figure 1, the equipment that the present invention adopts comprises flush coater main body 1, spray gun 2, air compressor 3 and horizontal lathe 11, in described flush coater main body 1, be provided with feed bin 4, the discharging opening of described feed bin 4 is connected with the first arm of tee pipe fitting 5, the second arm of described tee pipe fitting 5 is connected with the feedback outlet of feed bin 4 by feed back pipeline 6, the 3rd arm of described tee pipe fitting 5 is connected with the charging aperture of spray gun 2 by feeding pipe 7, described air compressor 3 is connected with the air inlet of spray gun 2 by air inlet pipeline 8, on described feed back pipeline 6, be provided with first flow control valve 9, on described feeding pipe 7, be provided with second control valve 10.
Embodiment 1
In conjunction with Fig. 1, the spray mo(u)lding method of the combination assembled core skeleton of the present embodiment surface gypsic horizon comprises the following steps:
Step 1, by land plaster, bonding solution and deionized water in mass ratio 1:0.1:0.8 mix, obtain gypsum slurry, then described gypsum slurry is packed in feed bin 4; Described bonding solution is polyvinyl alcohol water solution, and in described polyvinyl alcohol water solution, the quality percentage composition of polyvinyl alcohol is 20%; The density of described gypsum slurry is 1.25g/cm
3;
Step 2, by combination assembled core skeleton 12 clampings on horizontal lathe 11, and utilize horizontal lathe 11 that combination assembled core skeleton 12 is rotated around mandrel 13; The speed of described rotation is 20r/min; Described combination assembled core skeleton 12 for surface area be 0.4m
2the combination assembled core skeleton of the type of tying up;
Step 3, in spray gun 2, pass into gypsum slurry described in compressed air and step 1, then utilize spray gun 2 gypsum slurry to be sprayed into combination assembled core skeleton 12 surfaces that rotate around mandrel 13 in step 2, and by regulating the quantity for spray of first flow control valve 9 and second adjustable valve 10 control gypsum slurries, be 0.5kg/min in spraying process, controlling compressed-air actuated pressure is 0.1MPa, distance between spray gun 2 muzzle and combination assembled core skeleton 12 surfaces is 0.4m, spray time is 20min, on the surface of combination assembled core skeleton 12, obtain the gypsic horizon that thickness is 20mm.
The present embodiment has been abandoned the traditional processing technology that relies on pure manual operations to prepare gypsic horizon, the problem such as efficiently solve that make efficiency is low, work under bad environment, gypsic horizon quality conformance are poor, finally obtains on combination assembled core skeleton surface the gypsic horizon that quality conformance is good, mechanical performance is high.
Embodiment 2
In conjunction with Fig. 1, the spray mo(u)lding method of the combination assembled core skeleton of the present embodiment surface gypsic horizon comprises the following steps:
Step 1, by land plaster, bonding solution and deionized water in mass ratio 1:0.2:1 mix, obtain gypsum slurry, then described gypsum slurry is packed in feed bin 4; Described bonding solution is polyvinyl alcohol water solution, and in described polyvinyl alcohol water solution, the quality percentage composition of polyvinyl alcohol is 30%; The density of described gypsum slurry is 1.5g/cm
3;
Step 2, by combination assembled core skeleton 12 clampings on horizontal lathe 11, and utilize horizontal lathe 11 that combination assembled core skeleton 12 is rotated around mandrel 13; The speed of described rotation is 0.5r/min; Described combination assembled core skeleton 12 for surface area be 30m
2the combination assembled core skeleton of barrier type;
Step 3, in spray gun 2, pass into gypsum slurry described in compressed air and step 1, then utilize spray gun 2 gypsum slurry to be sprayed into combination assembled core skeleton 12 surfaces that rotate around mandrel 13 in step 2, and by regulating the quantity for spray of first flow control valve 9 and second adjustable valve 10 control gypsum slurries, be 50kg/min in spraying process, controlling compressed-air actuated pressure is 0.5MPa, distance between spray gun 2 muzzle and combination assembled core skeleton 12 surfaces is 0.8m, spray time is 90min, on the surface of combination assembled core skeleton 12, obtain the gypsic horizon that thickness is 100mm.
The present embodiment has been abandoned the traditional processing technology that relies on pure manual operations to prepare gypsic horizon, the problem such as efficiently solve that make efficiency is low, work under bad environment, gypsic horizon quality conformance are poor, finally obtains on combination assembled core skeleton surface the gypsic horizon that quality conformance is good, mechanical performance is high.
Embodiment 3
In conjunction with Fig. 1, the spray mo(u)lding method of the combination assembled core skeleton of the present embodiment surface gypsic horizon comprises the following steps:
Step 1, by land plaster, bonding solution and deionized water in mass ratio 1:0.05:0.6 mix, obtain gypsum slurry, then described gypsum slurry is packed in feed bin 4; Described bonding solution is polyvinyl alcohol water solution, and in described polyvinyl alcohol water solution, the quality percentage composition of polyvinyl alcohol is 10%; The density of described gypsum slurry is 1.1g/cm
3;
Step 2, by combination assembled core skeleton 12 clampings on horizontal lathe 11, and utilize horizontal lathe 11 that combination assembled core skeleton 12 is rotated around mandrel 13; The speed of described rotation is 10r/min; Described combination assembled core skeleton 12 for surface area be 10m
2the combination assembled core skeleton of distinguish type;
Step 3, in spray gun 2, pass into gypsum slurry described in compressed air and step 1, then utilize spray gun 2 gypsum slurry to be sprayed into combination assembled core skeleton 12 surfaces that rotate around mandrel 13 in step 2, and by regulating the quantity for spray of first flow control valve 9 and second adjustable valve 10 control gypsum slurries, be 11kg/min in spraying process, controlling compressed-air actuated pressure is 0.3MPa, distance between spray gun 2 muzzle and combination assembled core skeleton 12 surfaces is 0.6m, spray time is 40min, on the surface of combination assembled core skeleton 12, obtain the gypsic horizon that thickness is 40mm.
The present embodiment has been abandoned the traditional processing technology that relies on pure manual operations to prepare gypsic horizon, the problem such as efficiently solve that make efficiency is low, work under bad environment, gypsic horizon quality conformance are poor, finally obtains on combination assembled core skeleton surface the gypsic horizon that quality conformance is good, mechanical performance is high.
Embodiment 4
In conjunction with Fig. 1, the spray mo(u)lding method of the combination assembled core skeleton of the present embodiment surface gypsic horizon comprises the following steps:
Step 1, by land plaster, bonding solution and deionized water in mass ratio 1:0.2:1 mix, obtain gypsum slurry, then described gypsum slurry is packed in feed bin 4; Described bonding solution is polyvinyl alcohol water solution, and in described polyvinyl alcohol water solution, the quality percentage composition of polyvinyl alcohol is 30%; The density of described gypsum slurry is 1.5g/cm
3;
Step 2, by combination assembled core skeleton 12 clampings on horizontal lathe 11, and utilize horizontal lathe 11 that combination assembled core skeleton 12 is rotated around mandrel 13; The speed of described rotation is 5r/min; Described combination assembled core skeleton 12 for surface area be 10m
2the combination assembled core skeleton of barrier type;
Step 3, in spray gun 2, pass into gypsum slurry described in compressed air and step 1, then utilize spray gun 2 gypsum slurry to be sprayed into combination assembled core skeleton 12 surfaces that rotate around mandrel 13 in step 2, and by regulating the quantity for spray of first flow control valve 9 and second adjustable valve 10 control gypsum slurries, be 20kg/min in spraying process, controlling compressed-air actuated pressure is 0.5MPa, distance between spray gun 2 muzzle and combination assembled core skeleton 12 surfaces is 0.5m, spray time is 30min, on the surface of combination assembled core skeleton 12, obtain the gypsic horizon that thickness is 40mm.
The present embodiment has been abandoned the traditional processing technology that relies on pure manual operations to prepare gypsic horizon, the problem such as efficiently solve that make efficiency is low, work under bad environment, gypsic horizon quality conformance are poor, finally obtains on combination assembled core skeleton surface the gypsic horizon that quality conformance is good, mechanical performance is high.
Embodiment 5
In conjunction with Fig. 1, the spray mo(u)lding method of the combination assembled core skeleton of the present embodiment surface gypsic horizon comprises the following steps:
Step 1, by land plaster, bonding solution and deionized water in mass ratio 1:0.08:0.8 mix, obtain gypsum slurry, then described gypsum slurry is packed in feed bin 4; Described bonding solution is polyvinyl alcohol water solution, and in described polyvinyl alcohol water solution, the quality percentage composition of polyvinyl alcohol is 15%; The density of described gypsum slurry is 1.3g/cm
3;
Step 2, by combination assembled core skeleton 12 clampings on horizontal lathe 11, and utilize horizontal lathe 11 that combination assembled core skeleton 12 is rotated around mandrel 13; The speed of described rotation is 12r/min; Described combination assembled core skeleton 12 for surface area be 1m
2the combination assembled core skeleton of the type of tying up;
Step 3, in spray gun 2, pass into gypsum slurry described in compressed air and step 1, then utilize spray gun 2 gypsum slurry to be sprayed into combination assembled core skeleton 12 surfaces that rotate around mandrel 13 in step 2, and by regulating the quantity for spray of first flow control valve 9 and second adjustable valve 10 control gypsum slurries, be 1.3kg/min in spraying process, controlling compressed-air actuated pressure is 0.3MPa, distance between spray gun 2 muzzle and combination assembled core skeleton 12 surfaces is 0.7m, spray time is 60min, on the surface of combination assembled core skeleton 12, obtain the gypsic horizon that thickness is 60mm.
The present embodiment has been abandoned the traditional processing technology that relies on pure manual operations to prepare gypsic horizon, the problem such as efficiently solve that make efficiency is low, work under bad environment, gypsic horizon quality conformance are poor, finally obtains on combination assembled core skeleton surface the gypsic horizon that quality conformance is good, mechanical performance is high.
Embodiment 6
In conjunction with Fig. 1, the spray mo(u)lding method of the combination assembled core skeleton of the present embodiment surface gypsic horizon comprises the following steps:
Step 1, by land plaster, bonding solution and deionized water in mass ratio 1:0.09:0.9 mix, obtain gypsum slurry, then described gypsum slurry is packed in feed bin 4; Described bonding solution is polyvinyl alcohol water solution, and in described polyvinyl alcohol water solution, the quality percentage composition of polyvinyl alcohol is 25%; The density of described gypsum slurry is 1.4g/cm
3;
Step 2, by combination assembled core skeleton 12 clampings on horizontal lathe 11, and utilize horizontal lathe 11 that combination assembled core skeleton 12 is rotated around mandrel 13; The speed of described rotation is 5r/min; Described combination assembled core skeleton 12 for surface area be 20m
2the combination assembled core skeleton of distinguish type;
Step 3, in spray gun 2, pass into gypsum slurry described in compressed air and step 1, then utilize spray gun 2 gypsum slurry to be sprayed into combination assembled core skeleton 12 surfaces that rotate around mandrel 13 in step 2, and by regulating the quantity for spray of first flow control valve 9 and second adjustable valve 10 control gypsum slurries, be 28kg/min in spraying process, controlling compressed-air actuated pressure is 0.2MPa, distance between spray gun 2 muzzle and combination assembled core skeleton 12 surfaces is 0.4m, spray time is 80min, on the surface of combination assembled core skeleton 12, obtain the gypsic horizon that thickness is 80mm.
The present embodiment has been abandoned the traditional processing technology that relies on pure manual operations to prepare gypsic horizon, the problem such as efficiently solve that make efficiency is low, work under bad environment, gypsic horizon quality conformance are poor, finally obtains on combination assembled core skeleton surface the gypsic horizon that quality conformance is good, mechanical performance is high.
The above, be only preferred embodiment of the present invention, not the present invention imposed any restrictions.Every any simple modification of above embodiment being done according to invention technical spirit, change and equivalence change, and all still belong in the protection domain of technical solution of the present invention.
Claims (4)
1. the spray mo(u)lding method of a combination assembled core skeleton surface gypsic horizon, the equipment that the method adopts comprises flush coater main body (1), spray gun (2) and air compressor (3), in described flush coater main body (1), be provided with feed bin (4), the 3rd arm of tee pipe fitting (5) is connected with the charging aperture of spray gun (2) by feeding pipe (7), described air compressor (3) is connected with the air inlet of spray gun (2) by air inlet pipeline (8), it is characterized in that, also comprise horizontal lathe (11), the discharging opening of described feed bin (4) is connected with the first arm of tee pipe fitting (5), the second arm of described tee pipe fitting (5) is connected with the feedback outlet of feed bin (4) by feed back pipeline (6), on described feed back pipeline (6), be provided with first flow control valve (9), on described feeding pipe (7), be provided with second control valve (10), the method comprises the following steps:
Step 1, by land plaster, bonding solution and deionized water in mass ratio 1: (0.05～0.2): (0.6～1) mixes, and obtains gypsum slurry, then packs described gypsum slurry in feed bin (4); The density of described gypsum slurry is 1.1g/cm
3～1.5g/cm
3, described bonding solution is polyvinyl alcohol water solution;
Step 2, combination assembled core skeleton (12) clamping is upper at horizontal lathe (11), and utilize horizontal lathe (11) that combination assembled core skeleton (12) is rotated around mandrel (13); The speed of described rotation is 0.5r/min～20r/min;
Step 3, in spray gun (2), pass into gypsum slurry described in compressed air and step 1, then utilize spray gun (2) gypsum slurry to be sprayed into combination assembled core skeleton (12) surface rotating around mandrel (13) in step 2, and the quantity for spray of controlling gypsum slurry in spraying process is 0.5kg/min～50kg/min, compressed-air actuated pressure is 0.1MPa～0.5MPa, the time of spraying is 20min～90min, on the surface of combination assembling core skeleton (12), obtains the gypsic horizon that thickness is 20mm～100mm.
2. the spray mo(u)lding method of a kind of combination assembled core skeleton according to claim 1 surface gypsic horizon, is characterized in that, described in step 1, in polyvinyl alcohol water solution, the quality percentage composition of polyvinyl alcohol is 10%～30%.
3. the spray mo(u)lding method of a kind of combination assembled core skeleton according to claim 1 surface gypsic horizon, it is characterized in that, described in step 2, combination assembled core skeleton (12) is the combination assembled core skeleton of distinguish type, the combination assembled core skeleton of barrier type or the combination assembled core skeleton of the type of tying up.
4. the spray mo(u)lding method of a kind of combination assembled core skeleton according to claim 1 surface gypsic horizon, it is characterized in that, in step 3, in spraying process, the distance between spray gun (2) muzzle and combination assembled core skeleton (12) surface is 0.4m～0.8m.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210593955.3A CN103101102B (en) | 2012-12-31 | 2012-12-31 | Spray molding method for gypsum layer on surface of combined assembly type mandrel framework |
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|---|---|---|---|
| CN201210593955.3A CN103101102B (en) | 2012-12-31 | 2012-12-31 | Spray molding method for gypsum layer on surface of combined assembly type mandrel framework |
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| CN103101102B true CN103101102B (en) | 2014-11-26 |
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| CN114274346A (en) * | 2021-11-23 | 2022-04-05 | 湖北三江航天江北机械工程有限公司 | Method for forming net-size gypsum core model of fiber-wound engine shell |
| CN114043619B (en) * | 2021-11-26 | 2023-03-14 | 北新集团建材股份有限公司 | Slurry spreading density adjusting system and control method for gypsum board mask paper |
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| EP1935862A1 (en) * | 2006-12-22 | 2008-06-25 | Rohm and Haas France SAS | Method for treating concrete |
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| CA2308552A1 (en) * | 1999-05-17 | 2000-11-17 | United States Gypsum Company | Fluid spray apparatus and method for smooth surface gypsum fiberboard panels |
| EP2080741A1 (en) * | 2006-11-09 | 2009-07-22 | Denki Kagaku Kogyo Kabushiki Kaisha | Set accelerator and technique for spraying with the same |
| DE102007009754A1 (en) * | 2007-02-27 | 2008-08-28 | Byk-Chemie Gmbh | Hardenable polymer mixture, useful as polymer concrete, contains polymerizable binder, inorganic filler and oligomeric compatibilizing additive based on hydrolyzable silanes |
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