CN104060553A - Nonmetallic perforated acoustic board adopting FCs (Fiber Reinforced Calcium Silicate Boards) and production method thereof - Google Patents
Nonmetallic perforated acoustic board adopting FCs (Fiber Reinforced Calcium Silicate Boards) and production method thereof Download PDFInfo
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- CN104060553A CN104060553A CN201410303250.2A CN201410303250A CN104060553A CN 104060553 A CN104060553 A CN 104060553A CN 201410303250 A CN201410303250 A CN 201410303250A CN 104060553 A CN104060553 A CN 104060553A
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- keel
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- lateral keel
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Abstract
The invention discloses a nonmetallic perforated acoustic board adopting FCs (Fiber Reinforced Calcium Silicate Boards). The nonmetallic perforated acoustic board comprises a panel, a keel frame and a rear panel from front to back in sequence, wherein the panel and the rear panel are both fixed on the keel frame; the keel frame comprises an upper transverse keel, a lower transverse keel and longitudinal keels; a male groove is formed in the upper transverse keel, and a female groove is formed in the lower transverse keel; sound absorption materials are filled in cavities formed by the keel frame, the rear panel and the panel. During production, firstly, the upper transverse keel, the lower transverse keel and the longitudinal keels are respectively produced; secondly, the upper transverse keel, the lower transverse keel and the longitudinal keels are welded and assembled together so as to form the keel frame; thirdly, the rear panel is fixed on the keel frame; lastly, after the rear panel is installed, the sound absorption material is placed in an inner frame formed by the rear panel and the keel frame, and then the panel is installed, so that the nonmetallic perforated acoustic board adopting the FCs can be obtained. The nonmetallic perforated acoustic board adopting the FCs has the advantages of lighter weight, more convenience for transportation and installation, simpler production process, lowered production cost, better sound absorption performance and strong corrosion resistance.
Description
Technical field
The invention belongs to green technology, particularly a kind of preparation method for environmental protection nonmetallic surface perforate acoustical board.
Background technology
The current acoustical board for sound barrier.As China Patent No. discloses a kind of sound screening board for high-speed rail No. 201110060950.X; China Patent No. discloses the apparatus for reducing noise through air transmitted of a kind of road or railway traffic for No. 201010283782.6.Although they can reach the requirement of noise reduction, all Shortcomings parts.Wherein the nonmetal sound barrier of high ferro is due to complex manufacturing.
Summary of the invention
For solving the deficiencies in the prior art, the object of the present invention is to provide a kind of FC(calcium silicate board simple, lightweight, easy for installation of making) nonmetal perforated acoustic board and preparation method thereof.
For achieving the above object, the present invention is achieved by the following technical solutions: the nonmetal perforated acoustic board of a kind of FC, comprises panel, keel shoe and backboard from front to back successively; Panel and backboard are all fixed on keel shoe; Described keel shoe comprises lateral keel, lower lateral keel, and is located at many longitudinal keel that are fixedly connected with between lateral keel, lower lateral keel and with upper lateral keel, lower lateral keel; In upper lateral keel, be provided with public groove, in lower lateral keel, be provided with female groove; In the cavity forming at keel shoe and backboard, panel, be filled with sound absorption material.
The preparation method of the nonmetal perforated acoustic board of above-mentioned FC, the method comprises the steps:
(1) making of upper lateral keel and lower lateral keel;
(2) the longitudinally making of keel;
(3) assembling: upper lateral keel, lower lateral keel are formed to keel shoe together with longitudinal keel welding assembly;
(4) then backboard is fixedly mounted on keel shoe;
(5) after backboard installs, in the inside casing of backboard and keel shoe formation, insert sound absorption material, installation panel afterwards, obtains the nonmetal perforated acoustic board of described FC.
Further, in step (1), first galvanized steel plain sheet is carried out to blanking, cutting cutting by design size, then carry out respectively the compacting of male groove and female groove, carry out afterwards length direction bending, obtain lateral keel semiproduct, after the inspection of semifinished product meets designing requirement, carry out preservative treatment, the lower lateral keel that obtains thering is the upper lateral keel of male groove and there is female groove.
Further, in step (2), first galvanized steel plain sheet is carried out to blanking, cutting cutting by design size, then four of the galvanized steel plain sheet after cutting jiaos are cut; Carry out again male and female groove blank, carry out afterwards length direction bending, obtain longitudinal keel semiproduct, after the inspection of semifinished product meets designing requirement, carry out preservative treatment, obtain longitudinal keel.
Further, described galvanized steel plain sheet is Q235B; Thickness 1.5mm ± 0.05mm, the error≤1mm of length and width.
Further, in step (5), described sound absorption material is formed by glass-fiber-fabric parcel centrifugally glass-wool.
Further, in step (5), described panel is the calcium silicate board that has multiple through holes, and the length variation of described panel is ± 3mm, and width difference is ± 1mm, and thickness deviation is ± 0.4mm, uneven thickness evenness≤4%, planeness≤0.5; Rupture strength grade be III level and more than; The density rating of through hole D1.3 and more than.
beneficial effect:compared with prior art, the invention has the advantages that:
(1) the nonmetal perforated acoustic board of FC of the present invention is lighter in the weight of common nonmetal acoustical board, transports and install more convenient.
(2) the nonmetal perforated acoustic board of FC of the present invention is simpler in the manufacture craft of common nonmetal acoustical board, and cost of manufacture reduces.
(3) the nonmetal perforated acoustic board of FC of the present invention is better in the sound absorbing capabilities of common nonmetal acoustical board.
(4) the nonmetal perforated acoustic board of FC of the present invention is strong in metal species acoustical board corrosion resistance.
Brief description of the drawings
Fig. 1 is the structural representation of the nonmetal perforated acoustic board of FC of the present invention;
Fig. 2 is the structural representation of keel shoe in the present invention.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is described in further detail.
As shown in Figure 1 to Figure 2, the nonmetal perforated acoustic board of a kind of FC, comprises panel 5, keel shoe and backboard 1 from front to back successively; Panel 5 and backboard 1 are all fixed on keel shoe; Described keel shoe comprises lateral keel 2, lower lateral keel 3, and many longitudinal keel 4, and many longitudinal keel 4 are located between lateral keel 2, lower lateral keel 3 and with upper lateral keel 2, lower lateral keel 3 and are fixedly connected with; In upper lateral keel 2, be provided with public groove, in lower lateral keel 3, be provided with female groove; Be connected with; In the cavity that keel shoe and backboard 1, panel 5 form, be filled with sound absorption material 6.
Upper lateral keel 2, lower lateral keel 3 and longitudinal keel 4 all adopt galvanized steel plain sheet, and the model of galvanized steel plain sheet is Q235B; Thickness 1.5mm ± 0.05mm, the error≤1mm of length and width.
Sound absorption material 6 is formed by glass-fiber-fabric parcel centrifugally glass-wool.Described centrifugally glass-wool is the main sound absorption that rises in nonmetal perforated plate.Centrifugally glass-wool is to use centrifugal injection method technique, and the glass in molten condition is carried out to fibrillatable, the filamentary material that spraying thermosetting resin is made, then pass through heat cure deep processing processing.Glass wool is cotton shape material, and chemical composition belongs to category of glass, is a kind of inorfil, have that bulk density is little, thermal conductivity is low, insulation thermal insulation and sound absorbing capabilities good, do not fire, heat-resisting, freeze proof, corrosion-resistant, be not afraid of damage by worms, the feature such as good chemical stability.
The major testing item of centrifugally glass-wool is unit weight, thickness and dimension control:
Unit weight: 32Kg/m
3, allowable error scope is at ± 3Kg/m
3;
Length: allowable error :-3mm ~+10mm;
Width: allowable error :-3mm ~+10mm;
Thickness: thickness 100 ± 3mm.
Described panel 5 is for there being the calcium silicate board of multiple through holes, and apparent size is mainly error in the thick size of length and width in allowed band, and zero defect, without obvious aberration.The length variation of calcium silicate board is ± 3mm, and width difference is ± 1mm, and thickness deviation is ± 0.4mm, uneven thickness evenness≤4%, planeness≤0.5; Rupture strength grade be III level and more than; The density rating of through hole D1.3 and more than.Should make waterproofing work, can meet exterior wall instructions for use, height when stacking should not exceed 1.5m.Other performance indications should meet the corresponding requirement of " fiber reinforced calcium silicate board part 1: asbestos-free calcium silicate board " (JCT 564.1-2008).
The preparation method of the nonmetal perforated acoustic board of above-mentioned FC, the method comprises the steps:
(1) making of upper lateral keel and lower lateral keel: first galvanized steel plain sheet is carried out to blanking, cutting cutting by design size, then carry out respectively the compacting of male groove and female groove, carry out afterwards length direction bending, obtain lateral keel semiproduct, after meeting designing requirement, the inspection of semifinished product carries out preservative treatment, the lower lateral keel that obtains thering is the upper lateral keel of male groove and there is female groove.
(2) the longitudinally making of keel: first galvanized steel plain sheet is carried out to blanking, cutting cutting by design size, then four of the galvanized steel plain sheet after cutting jiaos are cut; Carry out again male and female groove blank, carry out afterwards length direction bending, obtain longitudinal keel semiproduct, after the inspection of semifinished product meets designing requirement, carry out preservative treatment, obtain longitudinal keel.
(3) assembling: upper lateral keel, lower lateral keel are formed to keel shoe together with longitudinal keel welding assembly;
(4) then backboard is fixedly mounted on keel shoe by tapping screw; The spacing of tapping screw should meet drawing requirement, and should not be greater than 250mm, the tapping screw plate face 0.5-1mm that should sink;
(5) after backboard installs, in the inside casing of backboard and keel shoe formation, insert sound absorption material, installation panel afterwards, obtains the nonmetal perforated acoustic board of described FC.Panel is also to adopt tapping screw to be fixed on keel shoe, the logical step (4) of requirement of tapping screw.
In the present embodiment, the preservative treatment of galvanized steel plain sheet is all conventional method for anticorrosion treatment.Detect data in table 1
Table 1 detects data
| Title | Noise reduction coefficient | Sound insulation factor | Surface density | Counter-bending breaking load |
| The present invention | ≥0.85 | ≥45dB | ≤80kg/m 2 | ≥5.5kpa |
| Existing acoustical board | ≥0.7 | ≥30dB | ≤120kg/m 2 | ≥3.5kpa |
Claims (7)
1. the nonmetal perforated acoustic board of FC, is characterized in that, comprises successively from front to back panel, keel shoe and backboard; Panel and backboard are all fixed on keel shoe; Described keel shoe comprises lateral keel, lower lateral keel, and is located at many longitudinal keel that are fixedly connected with between lateral keel, lower lateral keel and with upper lateral keel, lower lateral keel; In upper lateral keel, be provided with public groove, in lower lateral keel, be provided with female groove; In the cavity forming at keel shoe and backboard, panel, be filled with sound absorption material.
2. the preparation method of the nonmetal perforated acoustic board of a kind of FC according to claim 1, is characterized in that, the method comprises the steps:
(1) making of upper lateral keel and lower lateral keel;
(2) the longitudinally making of keel;
(3) assembling: upper lateral keel, lower lateral keel are formed to keel shoe together with longitudinal keel welding assembly;
(4) then backboard is fixedly mounted on keel shoe;
(5) after backboard installs, in the inside casing of backboard and keel shoe formation, insert sound absorption material, installation panel afterwards, obtains the nonmetal perforated acoustic board of described FC.
3. the preparation method of the nonmetal perforated acoustic board of FC according to claim 2, it is characterized in that, in step (1), first galvanized steel plain sheet is carried out to blanking, cutting cutting by design size, then carry out respectively the compacting of male groove and female groove, carry out afterwards length direction bending, obtain lateral keel semiproduct, after meeting designing requirement, the inspection of semifinished product carries out preservative treatment, the lower lateral keel that obtains thering is the upper lateral keel of male groove and there is female groove.
4. the preparation method of the nonmetal perforated acoustic board of FC according to claim 2, is characterized in that, in step (2), first galvanized steel plain sheet is carried out to blanking, cutting cutting by design size, then four of the galvanized steel plain sheet after cutting jiaos is cut; Carry out again male and female groove blank, carry out afterwards length direction bending, obtain longitudinal keel semiproduct, after the inspection of semifinished product meets designing requirement, carry out preservative treatment, obtain longitudinal keel.
5. according to the preparation method of the nonmetal perforated acoustic board of FC described in claim 3 or 4, it is characterized in that, described galvanized steel plain sheet is Q235B; Thickness 1.5mm ± 0.05mm, the error≤1mm of length and width.
6. the preparation method of the nonmetal perforated acoustic board of FC according to claim 2, is characterized in that, in step (5), described sound absorption material is formed by glass-fiber-fabric parcel centrifugally glass-wool.
7. the preparation method of the nonmetal perforated acoustic board of FC according to claim 2, it is characterized in that, in step (5), described panel is the calcium silicate board that has multiple through holes, the length variation of described panel is ± 3mm that width difference is ± 1mm that thickness deviation is ± 0.4mm, uneven thickness evenness≤4%, planeness≤0.5; Rupture strength grade be III level and more than; The density rating of through hole D1.3 and more than.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410303250.2A CN104060553A (en) | 2014-06-30 | 2014-06-30 | Nonmetallic perforated acoustic board adopting FCs (Fiber Reinforced Calcium Silicate Boards) and production method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410303250.2A CN104060553A (en) | 2014-06-30 | 2014-06-30 | Nonmetallic perforated acoustic board adopting FCs (Fiber Reinforced Calcium Silicate Boards) and production method thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104631353A (en) * | 2015-02-02 | 2015-05-20 | 江苏新光环保工程有限公司 | Full-screen sound absorption and noise reduction device |
| CN106758901A (en) * | 2016-12-27 | 2017-05-31 | 中国铁道科学研究院节能环保劳卫研究所 | The acoustic absorptive member of railway metal sound barrier |
| CN108824245A (en) * | 2018-07-11 | 2018-11-16 | 中铁四局集团有限公司 | Light metal acoustic board |
| CN109024330A (en) * | 2018-08-27 | 2018-12-18 | 山西尚风科技股份有限公司 | A kind of cracking resistance soundproof plate |
| CN110173071A (en) * | 2019-05-10 | 2019-08-27 | 潘旭鹏 | A kind of pin-connected panel partition panel component, installation method and application |
-
2014
- 2014-06-30 CN CN201410303250.2A patent/CN104060553A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104631353A (en) * | 2015-02-02 | 2015-05-20 | 江苏新光环保工程有限公司 | Full-screen sound absorption and noise reduction device |
| CN104631353B (en) * | 2015-02-02 | 2016-08-24 | 江苏新光环保工程有限公司 | A kind of full-frequency sound absorption denoising device |
| CN106758901A (en) * | 2016-12-27 | 2017-05-31 | 中国铁道科学研究院节能环保劳卫研究所 | The acoustic absorptive member of railway metal sound barrier |
| CN108824245A (en) * | 2018-07-11 | 2018-11-16 | 中铁四局集团有限公司 | Light metal acoustic board |
| CN109024330A (en) * | 2018-08-27 | 2018-12-18 | 山西尚风科技股份有限公司 | A kind of cracking resistance soundproof plate |
| CN110173071A (en) * | 2019-05-10 | 2019-08-27 | 潘旭鹏 | A kind of pin-connected panel partition panel component, installation method and application |
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Application publication date: 20140924 |