CN204664839U - A kind of hollow board material - Google Patents
A kind of hollow board material Download PDFInfo
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- CN204664839U CN204664839U CN201520243424.0U CN201520243424U CN204664839U CN 204664839 U CN204664839 U CN 204664839U CN 201520243424 U CN201520243424 U CN 201520243424U CN 204664839 U CN204664839 U CN 204664839U
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Abstract
The utility model provides a kind of hollow board material, and the inside of described hollow board material has several first hollow structures and several second hollow structures of interlaced arrangement; Perpendicular to the upper surface direction of described hollow board material, upper surface and the lower surface of the first hollow structure are plane; Along hollow board material width direction, the width of the upper surface of the first hollow structure is greater than the width of lower surface; Upper surface and the lower surface of the second hollow structure are plane; The width of the upper surface of the second hollow structure is less than the width of lower surface; The adjacent surface of the first hollow structure and the second hollow structure is parallel surface; The lower surface of hollow board material is provided with several dovetail grooves; Dovetail groove is positioned at the below of the first hollow structure.The hollow board material that the utility model provides arranges the first hollow structure, the second hollow structure and dovetail groove, first hollow structure, the second hollow structure interlaced arrangement, and described first hollow structure is above dovetail groove, hollow board material is made to have higher mechanical strength and thermal conductivity.
Description
Technical field
The utility model belongs to board technology field, particularly relates to a kind of hollow board material.
Background technique
Wood plastic composite (WPC) is with the thermoplastics such as polyethylene, polypropylene, PVC＝polyvinyl chloride and modified plant fibers powder for raw material, through extruding, the composite material made of injection moulding, the forming method such as compacting.Thermoplastic can adopt the various plastics of new plastic or industry, domestic waste, and the tankage that modified plant fibers powder can adopt timber to process, straw, cotton stalk, powdered rice hulls process.
Wood plastic composite can be used for doing cupboard board, also can be used for doing lining, can also be used to do Wood-plastic floor.Application number be 90106815 patent openly prepared a kind of floor board made of plastics-combined wood-bamboo material, the composite liner that the panel be made up of plank (as teak, redwood, weedtree etc.) or bamboo clappers, the cured layer of tackiness agent, plastics and filler (as wood chip, calcium carbonate, powdery coal ash etc.) are made is formed, and panel connects into entirety by tackiness agent and composite liner heat pressure adhesive.Application number is a kind of composite wooden floor with mineral substance base plate of the patent development of 02272259, is to form through the substrate bonding that hyperbaric heating is made with ply and by the mineral substance of powdery or fine particulate as main raw material.
The floor that above-mentioned patent system obtains has not yielding, the feature that fireproof performance is good, but the floor that they are prepared is solid floor, and its mechanical strength is poor.
Model utility content
In view of this, the purpose of this utility model is to provide a kind of hollow board material, and the hollow board material that the utility model provides has higher mechanical strength.
The utility model provides a kind of hollow board material, and the inside of described hollow board material has several first hollow structures and several second hollow structures, several first hollow structures described and several the second hollow structure interlaced arrangement;
Perpendicular to the upper surface direction of described hollow board material, upper surface and the lower surface of described first hollow structure are plane; Along hollow board material width direction, the width of the upper surface of described first hollow structure is greater than the width of lower surface;
Perpendicular to the upper surface direction of described hollow board material, upper surface and the lower surface of described second hollow structure are plane; Along hollow board material width direction, the width of the upper surface of described second hollow structure is less than the width of lower surface;
The adjacent surface of described first hollow structure and the second hollow structure is parallel surface;
The lower surface of described hollow board material is provided with several dovetail grooves;
Described dovetail groove is positioned at the below of described first hollow structure accordingly.
Preferably, perpendicular to the upper surface direction of described hollow board material, several cross sections stating the first hollow structure be right-angled trapezium;
The cross section of several the second hollow structures described is right-angled trapezium.
Preferably, perpendicular to the upper surface direction of described hollow board material, the cross section of several the first hollow structures described is isosceles trapezoid;
The cross section of several the second hollow structures described is isosceles trapezoid.
Preferably, the perpendicular distance of the upper surface of several the first hollow structures described and the lower surface of described hollow board material and the Thickness Ratio of described hollow board material are 2 ~ 4:10.
Preferably, the width of described first hollow structure upper surface is 7 ~ 9mm;
The width of the lower surface of described first hollow structure is 5 ~ 7mm.
Preferably, the width of the second hollow structure upper surface is 5 ~ 7mm;
The width of the lower surface of described second hollow structure is 7 ~ 9mm.
Preferably, the relative side, two sides of described hollow board material is provided with limited impression, and opposite side is provided with the spacing preiection with described limited impression adaptation.
Preferably, the width of described hollow board material and the width of the upper surface of described first hollow structure are than being (140 ~ 150): (5 ~ 7).
Preferably, perpendicular to the upper surface direction of described hollow board material, the aspect ratio of described spacing preiection and described hollow board material is 2.5 ~ 3.5:10.
Preferably, the degree of depth of described dovetail groove and the Thickness Ratio of described hollow board material are 1.5 ~ 2.5:10.
The utility model provides a kind of hollow board material, and the inside of described hollow board material has several first hollow structures and several second hollow structures, several first hollow structures described and several the second hollow structure interlaced arrangement; Perpendicular to the upper surface direction of described hollow board material, upper surface and the lower surface of described first hollow structure are plane; Along hollow board material width direction, the width of the upper surface of described first hollow structure is greater than the width of lower surface; Perpendicular to the upper surface direction of described hollow board material, upper surface and the lower surface of described second hollow structure are plane; Along hollow board material width direction, the width of the upper surface of described second hollow structure is less than the width of lower surface; The adjacent surface of described first hollow structure and the second hollow structure is parallel surface; The lower surface of described hollow board material is provided with several dovetail grooves; Described dovetail groove is positioned at the below of described first hollow structure accordingly.The hollow board material that the utility model provides arranges the first hollow structure, the second hollow structure and dovetail groove, first hollow structure, the second hollow structure interlaced arrangement, and described dovetail groove is positioned at the below of described first hollow structure accordingly, hollow board material is made to have higher mechanical strength.
In addition, the hollow board material that the utility model provides arranges the first hollow structure and the second hollow structure, and the setting of described first hollow structure and the second hollow structure can increase the thermal conductivity of hollow board material, improves the recovery electric heating system of sheet material; Also economize in raw materials, alleviate panel weight.
Accompanying drawing explanation
Fig. 1 is the structural representation of the hollow board material of the utility model embodiment 1 ~ embodiment 3 preparation.
Embodiment
Structural representation see the hollow board material that Fig. 1, Fig. 1 provide for the utility model: wherein, 1 is limited impression, and 2 is the first hollow structure, and 3 is the second hollow structure, and 4 is spacing preiection, and 5 is dovetail groove.
The utility model provides a kind of hollow board material, and the inside of described hollow board material has several the first hollow structure 2 and several second hollow structures 3, described several the first hollow structure 2 and several the second hollow structure 3 interlaced arrangement.In the utility model, described first hollow structure and the second hollow structure along the width direction of sheet material, interlaced arrangement successively from left to right.In the utility model, the second hollow structure is set between the first hollow structure and the first hollow structure.
In the utility model, perpendicular to the upper surface direction of described hollow board material, upper surface and the lower surface of described first hollow structure 2 are plane; Along hollow board material width direction, the width of the upper surface of described first hollow structure 2 is greater than the width of lower surface.In the utility model, several first hollow structures described can be right-angled trapezium, also can be isosceles trapezoid.In specific embodiment of the utility model, the width of described first hollow structure 2 upper surface is 7 ~ 9mm; The width of the lower surface of described first hollow structure 2 is 5 ~ 7mm.In the utility model, the width of described hollow board material can be (140 ~ 150) with the width ratio of the upper surface of described first hollow structure 2: (5 ~ 7), also can be 145:5 ~ 7.
In the utility model, perpendicular to the upper surface direction of described hollow board material, upper surface and the lower surface of described second hollow structure 3 are plane; Along hollow board material width direction, the width of the upper surface of described second hollow structure 3 is less than the width of lower surface.In the utility model, several second hollow structures 3 described can be right-angled trapezium, also can be isosceles trapezoid.In specific embodiment of the utility model, the width of the upper surface of described second hollow structure 3 is 5 ~ 7mm; The width of the lower surface of described second hollow structure 3 is 7 ~ 9mm.In an embodiment of the present utility model, the outermost end of described sheet material inside is the first hollow structure; In an embodiment of the present utility model, the outermost end of described sheet material inside is the second hollow structure; Outermost end one end of described sheet material inside is the first hollow structure, and the relative the other end is the second hollow structure.
In the utility model, the adjacent surface of described first hollow structure 2 and the second hollow structure 3 is parallel surface.The hollow board material that the utility model provides arranges the first hollow structure and the second hollow structure, and the setting of described first hollow structure 2 and the second hollow structure 3 can increase the thermal conductivity of hollow board material, improves the recovery electric heating system of sheet material; Also there is the effect of noise-reducing.
The lower surface of the hollow board material that the utility model provides is provided with dovetail groove 5.In the utility model, described dovetail groove is positioned at the below of described first hollow structure accordingly.In the utility model, the degree of depth of described dovetail groove and the Thickness Ratio of described hollow board material can be 1.5 ~ 2.5:10.In the utility model, along the width direction of hollow board material, the opening end of described dovetail groove can be (5 ~ 7) with the width ratio of described hollow board material: (140 ~ 150), also can be 7:145, can also be 5:145.
The two opposite side surfaces side of the hollow board material that the utility model provides preferably is provided with limited impression 1, and opposite side is provided with the spacing preiection 4 with described limited impression adaptation.In the utility model, perpendicular to the upper surface direction of described hollow board material, described spacing preiection 4 is 2.5 ~ 3.5:10 with the aspect ratio of described hollow board material.In the utility model, described spacing preiection 4 is connected several hollow board materials with limited impression 1.Limited impression and fiber protrusion be arranged so that hollow board material install convenient.
The material of the utility model to described hollow board material does not have special restriction, adopts sheet material material well known to those skilled in the art.In specific embodiment of the utility model, the material of described sheet material can be plant fiber powder and poly mixture, can be maize straw mineral Plastic composite material, also can be the mixture of PVC＝polyvinyl chloride and wood chip.
In the utility model, described maize straw mineral Plastic composite material comprises base-material and corn stalk powder;
Described base-material comprises Corvic and particle diameter is 400 order ~ 500 object powdered whitings;
Described Corvic and particle diameter are the mass ratio of 400 order ~ 500 object powdered whitings is 2.5 ~ 3.5:1;
The mass fraction that described corn stalk powder accounts for described base-material is 5% ~ 15%.In the utility model, described maize straw mineral Plastic composite material comprises base-material; Described base-material comprises Corvic and particle diameter is 400 order ~ 500 object powdered whitings.In the utility model, described Corvic and particle diameter are the mass ratio of 400 order ~ 500 object powdered whitings is 2.5 ~ 3.5:1, is preferably 2.8 ~ 3.2:1, is more preferably 3:1.In the utility model, the trade mark of described Corvic preferably include in SG-5, SG-8 and SG-10 one or more.The source of the utility model to described Corvic is not particularly limited, and adopts Corvic well known to those skilled in the art, as adopted its commercial goods; In specific embodiment of the utility model, described Corvic is bought in Qilu Petrochemical.The utility model does not have special restriction just to the source that described particle diameter is 400 order ~ 500 object powdered whitings, adopts particle diameter well known to those skilled in the art to be 400 order ~ 500 object powdered whitings, as adopted its commercial goods; In specific embodiment of the utility model, described particle diameter is that 400 order ~ 500 object powdered whitings are bought in Jilin Jiruilai Plank Stuff Technology Co., Ltd..
In the utility model, described maize straw mineral Plastic composite material comprises corn stalk powder.In the utility model, the mass fraction that described corn stalk powder accounts for described base-material is 5% ~ 15%, is preferably 7% ~ 13%, is more preferably 8% ~ 12%.In the utility model, the particle diameter of described corn stalk powder is preferably 60 order ~ 120 orders; In some embodiment of the present utility model, the particle diameter of described corn stalk powder is 60 order ~ 80 orders; In some embodiment of the present utility model, the particle diameter of described corn stalk powder is 80 order ~ 120 orders.In the utility model, the water content of described corn stalk powder is preferably less than or equal to 7%, is more preferably less than or equal to 5%.The source of the utility model to described corn stalk powder does not have special restriction, adopts corn stalk powder well known to those skilled in the art, as adopted its commercial goods; In the utility model specific embodiment, described corn stalk powder is bought in Changchun Hong Yuanmu industry Science and Technology Ltd..In embodiment of the present utility model, described corn stalk powder sieves and obtains after machining.The corn stalk powder that the utility model adopts can increase obtained toughness of products, alleviates product weight; Make the product thermal conductivity obtained improve and heat storage capacity reinforcement simultaneously.
In the utility model, described maize straw mineral Plastic composite material preferably also comprises the powdered whiting that particle diameter is 50nm ~ 100nm.In the utility model, described particle diameter is the mass fraction that the powdered whiting of 50nm ~ 100nm accounts for base-material is 0.2% ~ 0.8%, is preferably 0.3% ~ 0.7%.The utility model adopts the skin effect of nano level powdered whiting (specific surface area is large) to improve the cohesion of corn stalk powder, powdered whiting and the polyvinyl chloride resin of filling.
In the utility model, described maize straw mineral Plastic composite material preferably also comprises auxiliary agent.In the utility model, described auxiliary agent preferably include in heat stabilizer, acrylic acid esters co-polymer, plasticising plasticizer, stearic acid and Tissuemat E one or more.In the utility model, the mass fraction that described auxiliary agent accounts for described base-material is preferably 10% ~ 15%.In the utility model, described heat stabilizer preferably includes PVC calcium-zinc composite stabilizing agent and/or organic calcium liquid stabilisers.The source of the utility model to described auxiliary agent does not have special restriction, adopts auxiliary agent well known to those skilled in the art, as adopted its commercial goods; In specific embodiment of the utility model, described auxiliary agent is bought in Hengshui Jing Xin plastic additive Co., Ltd.
In the utility model is carried, the preparation method of described maize straw mineral Plastic composite material preferably includes following steps:
Be that 400 order ~ 500 object powdered whitings are mixing by corn stalk powder, Corvic and particle diameter, extrude, obtain maize straw mineral Plastic composite material.
In the utility model, the consumption that described corn stalk powder, Corvic and particle diameter are 400 order ~ 500 object powdered whitings and source are the consumption of 400 order ~ 500 object powdered whitings with corn stalk powder, Corvic and particle diameter described in technique scheme and originate consistent, do not repeat them here.In the utility model, described corn stalk powder preferred at 95 DEG C ~ 105 DEG C dry 2.5 hours ~ 3.5 hours before use, moisture in corn stalk powder, low molecule organic matter and decomposition components thereof are volatilized, to improve its thermostability, meets usage requirement.
Corn stalk powder, Corvic and particle diameter are preferably that 400 order ~ 500 object powdered whitings carry out mixing by the utility model in high-speed mixer.In the utility model, described mixing temperature is preferably 115 DEG C ~ 125 DEG C, is more preferably 118 DEG C ~ 123 DEG C; The described mixing time is preferably 6min ~ 10min, is more preferably 7min ~ 9min.
The mixing mixing product obtained is extruded, obtains maize straw mineral Plastic composite material.The utility model preferably adopts single screw extrusion machine or double screw extruder to extrude.In the utility model, described in the temperature extruded be preferably 130 DEG C ~ 160 DEG C.The utility model controls head pressure by regulating the die head temperature of extruder and extruded velocity, described in the pressure extruded be preferably 15MPa ~ 30MPa.
The shaping maize straw mineral Plastic composite material extruded preferably at room temperature is placed and is carried out cooling normal temperature by the utility model.
The utility model is extruded difform maize straw mineral as requested and is moulded conjunction hollow board material.The utility model, by shaping die, Vacuum shaping platform, through tractor traction, makes maize straw mineral Plastic composite material shape, then cuts into given size by cutting machine; By shaping base material by sander sanding bottom surface and surface, then by the periphery mortice opening of base material, obtain maize straw mineral and mould conjunction hollow board material.In the utility model, substrate surface treatment comprises: directly the floor decorative surface layer with surface wear-resistant layer is pasted onto substrate surface with facing machine by POR glue; Or adopt UV rolling coater, wood grain printing machine, machine is washed one's hair in pouring and leveling machine and ultraviolet curing machining substrate surface; Or adopt heat transfer printer that transfer film is transferred in substrate surface, by UV rolling coater, drench and wash one's hair machine, leveling machine and ultraviolet curing machining substrate surface, packaging is finished product.In the utility model, can adopt during substrate surface treatment titanium dioxide color material, Saphire Brown powder color material and pearl essence color one or more, according to different demand, adopt different color pigment to reach the effect changing product colour.
The utility model provides a kind of hollow board material, and the inside of described hollow board material has several first hollow structures and several second hollow structures, several first hollow structures described and several the second hollow structure interlaced arrangement; Perpendicular to the upper surface direction of described hollow board material, upper surface and the lower surface of described first hollow structure are plane; Along hollow board material width direction, the width of the upper surface of described first hollow structure is greater than the width of lower surface; Perpendicular to the upper surface direction of described hollow board material, upper surface and the lower surface of described second hollow structure are plane; Along hollow board material width direction, the width of the upper surface of described second hollow structure is less than the width of lower surface; The adjacent surface of described first hollow structure and the second hollow structure is parallel surface; The lower surface of described hollow board material is provided with several dovetail grooves; Described dovetail groove is positioned at the below of described first hollow structure accordingly.The hollow board material that the utility model provides arranges the first hollow structure, the second hollow structure and dovetail groove, described first hollow structure, the second hollow structure interlaced arrangement, and described dovetail groove is positioned at the below of described first hollow structure accordingly, hollow board material is made to have higher mechanical strength.
In addition, the hollow board material that the utility model provides arranges the first hollow structure and the second hollow structure, and the setting of described first hollow structure and the second hollow structure can increase the thermal conductivity of hollow board material, improves the recovery electric heating system of sheet material; Also economize in raw materials, alleviate panel weight.
The hollow board material that the utility model provides can be sawed, dig, follow closely and gluing.The burst size of methanal of this hollow board material is low, unharmful substance release, can not cause atmospheric pollution and environmental pollution, recyclablely to reuse.
In order to further illustrate the utility model, below in conjunction with embodiment, a kind of hollow board material that the utility model provides is described in detail, but they can not be interpreted as the restriction to the utility model protection domain.
Embodiment 1
Be 80 ~ 120 object corn stalk powders at 100 DEG C dry 3 hours by 2.3kg particle diameter, moisture control is about 5%;
By 400 ~ 500 order powdered whiting (CaCO of the corn stalk powder handled well and 12kg PVC SG-10PVC resin, 34kg
3), organic calcium liquid composite stabilizing agent 1.8kg, particle diameter be the powdered whiting (CaCO of 60 ~ 80nm
3) 0.2kg, stearic acid 0.5kg, Tissuemat E 0.5kg, acrylic acid esters co-polymer 1.5kg and haloflex plasticising plasticizer 2kg in high-speed mixer mixing 8 minutes and 120 DEG C of bottom discharges, for subsequent use;
Adopt single screw extrusion machine to extrude the mixing mixing product obtained, the temperature extruded is 140 DEG C, and the pressure extruded is 20MPa, by shaping die, Vacuum shaping platform, through tractor traction, makes product protection, is cutting into given size by cutting machine; By shaping floor base material by sander sanding bottom surface and surface, then by the periphery mortice opening on floor; Obtain maize straw ore deposit and mould Hollow floor, the length of the Hollow floor obtained is 1000mm, and wide is 145mm, and thickness is 10mm; The width of the upper surface of the first hollow structure is 7mm, and lower surface is 5mm, is highly 2mm; The upper surface width of the second hollow structure is 5mm, and lower surface is 7mm, is highly 2mm; The width of the opening end of described dovetail groove is 7mm, and the width of the bottom of dovetail groove is 9mm; The length of spacing preiection is 1000mm, and wide is 4mm, and thickness is 3mm; The length of limited impression is 1000mm, and wide is 4mm, and thickness is 3mm.
The heat-conducting property of the utility model to maize straw mineral Plastic composite material is tested, and characterizes heat-conducting property by thermal conductivity.Thermal conductivity refers under steady heat transfer condition, the material that 1m is thick, the temperature difference of both side surface be 1 degree (K, DEG C), in 1 hour, the heat transmitted by 1 square area, unit is W/ (m DEG C).Thermal conductivity is relevant with the factor such as composition structure, density, moisture content, temperature of material.After controlling certain variable, by the test of heat-conducting property, the density degree of material internal gap structure can be known.
The utility model moulds to maize straw ore deposit prepared by the present embodiment 1 test that Hollow floor carries out thermal conductivity according to the measuring technology scheme of heat-conducting property described above, and test result is: the thermal conductivity that Hollow floor is moulded in maize straw ore deposit prepared by the present embodiment 1 is 14.3W/ (m DEG C).
The utility model measures the physical and chemical parameter of maize straw mineral Plastic composite material with reference to standard GB/T _ 18580-2001 " architectural decoration moulds wooden combined wall board ": static curve strength and Young's modulus are tested.The utility model adopts 2KN mechanics machine to test.
The mechanical property that the utility model moulds Hollow floor according to the maize straw ore deposit that test method described in technique scheme is obtained to the present embodiment 1 is tested, the results are shown in Table 1, table 1 be the obtained Hollow floor of embodiment 1 ~ 4, mechanical experimental results that solid floor is moulded in solid floor is moulded in maize straw ore deposit that comparative example 1 is obtained and comparative example 2 is obtained wooden ore deposit:
The mechanical strength test result of the solid floor that Hollow floor, comparative example 1 and the comparative example 2 that table 1 embodiment 1 ~ 4 obtains is obtained
| Embodiment | Static curve strength/MPa | Young's modulus/MPa |
| Embodiment 1 | 43 | 5700 |
| Embodiment 2 | 36 | 4630 |
| Embodiment 3 | 29 | 4219 |
| Embodiment 4 | 26 | 4093 |
| Comparative example 1 | 24 | 3317 |
| Comparative example 2 | 22 | 3109 |
Test result shows: maize straw ore deposit prepared by this new embodiment 1 is moulded Hollow floor and all exceeded NBS architectural decoration for its quality of product of floor decorative and mould wooden combined wall board QB/T 2630-2010 and measure static curve strength (static curve strength >=24MPa) and the performance index such as Deflection Modulus of Elasticity (>=2300MPa).
The maize straw mineral Plastic composite material of the utility model to preparation carries out water absorbing properties test, and test process is: in water bath with thermostatic control, put into composite sample batten, and in water-bath, water temperature ensures at 25 ± 2 DEG C.The degree of depth of water guarantees that sample soaks completely and exceeds test specimen top 30mm.Measure the quality (W not soaking front sample
1) and thick (h
1), often soak after 24 hours, timing is taken out, and tests sample.The content of test comprises the thickness (h with miking batten
2), weigh the quality (W after batten water suction with electronic analytical balance
2), and calculate the volume (V after sample water suction
h).Remained on surface moisture is wiped rapidly with filter paper, to guarantee the accuracy tested before test.
Water absorption rate thickness swelling calculates by formula 1:
This novel according to technique scheme the maize straw ore deposit of test method to preparation mould floor and Mu Kuang moulds the test that burst size of methanal and moisture pick-up properties are carried out in floor, the results are shown in Table 2, table 2 is burst size of methanal and the moisture pick-up properties test result of the obtained solid floor of the obtained Hollow floor of embodiment 1 ~ 4 and comparative example 1 ~ 2.
The burst size of methanal of the solid floor that Hollow floor, comparative example 1 and the comparative example 2 that table 2 embodiment 1 ~ 4 obtains is obtained and moisture pick-up properties test result
Test result shows: the expansion rate of water absorption that Hollow floor is moulded in maize straw ore deposit prepared by the utility model embodiment 1 is all very little, and burst size of methanal reaches international E
0(E
0≤ 0.5mg/L) grade standard, there is environmental-protecting performance, greatly improve the work situation of workman.
Embodiment 2
The production technology of the present embodiment 2 is with embodiment 1, and difference is, the length that Hollow floor is moulded in obtained maize straw ore deposit is 1000mm, and wide is 145mm, and thickness is 10mm; The width of the upper surface of the first hollow structure is 8mm, and lower surface is 6mm, is highly 3mm; The upper surface width of the second hollow structure is 6mm, and lower surface is 8mm, is highly 3mm; The width of the opening end of described dovetail groove is 6mm, and the width of the bottom of dovetail groove is 8mm; The length of spacing preiection is 1000mm, and wide is 4mm, and thickness is 3mm; The length of limited impression is 1000mm, and wide is 4mm, and thickness is 3mm.
The present embodiment 2 moulds to maize straw ore deposit prepared by the present embodiment 2 test that Hollow floor carries out thermal conductivity according to the test method of heat-conducting property described in embodiment 1, and test result is: the thermal conductivity that Hollow floor is moulded in maize straw ore deposit prepared by the utility model embodiment 2 is 13.5W/ (m DEG C).
The present embodiment 2 tests according to the mechanic property test method of embodiment 1 mechanical strength that Hollow floor is moulded in the obtained maize straw ore deposit of the present embodiment 2, the results are shown in Table 1; The present embodiment 2 tests according to the water resistence of embodiment 1 and Form aldehyde release weight testing method water resistence and the burst size of methanal that Hollow floor is moulded in the obtained maize straw ore deposit of the present embodiment 2, the results are shown in Table 2.
Embodiment 3
The production technology of the present embodiment 3 is with embodiment 1, and difference is, the length of obtained Hollow floor is 1000mm, and wide is 145mm, and thickness is 10mm; The width of the upper surface of the first hollow structure is 9mm, and lower surface is 7mm, is highly 4mm; The upper surface width of the second hollow structure is 7mm, and lower surface is 9mm, is highly 4mm; The width of the opening end of described dovetail groove is 7mm, and the width of the bottom of dovetail groove is 9mm; The length of spacing preiection is 1000mm, and wide is 4mm, and thickness is 3mm; The length of limited impression is 1000mm, and wide is 4mm, and thickness is 3mm.
The present embodiment 3 moulds to maize straw ore deposit prepared by the present embodiment 3 test that Hollow floor carries out thermal conductivity according to the test method of heat-conducting property described in embodiment 1, and test result is: the thermal conductivity that Hollow floor is moulded in maize straw ore deposit prepared by the utility model embodiment 3 is 11.9W/ (m DEG C).
The present embodiment 3 tests according to the mechanic property test method of embodiment 1 mechanical strength that Hollow floor is moulded in the obtained maize straw ore deposit of the present embodiment 3, the results are shown in Table 1; The present embodiment 3 tests according to the water resistence of embodiment 1 and Form aldehyde release weight testing method water resistence and the burst size of methanal that Hollow floor is moulded in the obtained maize straw ore deposit of the present embodiment 3, the results are shown in Table 2.
Embodiment 4
Be 80 ~ 120 object wood powders at 100 DEG C dry 3 hours by 2.3kg particle diameter, moisture control is about 5%;
By 400 ~ 500 order powdered whiting (CaCO of the wood powder handled well and 12kg PVC SG-10PVC resin, 34kg
3), organic calcium liquid composite stabilizing agent 1.8kg, particle diameter be the powdered whiting (CaCO of 60 ~ 80nm
3) 0.2kg, stearic acid 0.5kg, Tissuemat E 0.5kg, acrylic acid esters co-polymer 1.5kg and haloflex plasticising plasticizer 2kg in high-speed mixer mixing 8 minutes and 120 DEG C of bottom discharges, for subsequent use;
Adopt double screw extruder to extrude the mixing mixing product obtained, the temperature extruded is 160 DEG C, and the pressure extruded is 25MPa, obtains wooden ore deposit and moulds Hollow floor, and the length that Hollow floor is moulded in obtained wooden ore deposit is 1000mm, and wide is 145mm, and thickness is 10mm; The width of the upper surface of the first hollow structure is 9mm, and lower surface is 7mm, is highly 4mm; The upper surface width of the second hollow structure is 7mm, and lower surface is 9mm, is highly 4mm; The width of the opening end of described dovetail groove is 7mm, and the width of the bottom of dovetail groove is 9mm; The length of spacing preiection is 1000mm, and wide is 4mm, and thickness is 3mm; The length of limited impression is 1000mm, and wide is 4mm, and thickness is 3mm.
The present embodiment 4 moulds to wooden ore deposit prepared by the present embodiment 4 test that Hollow floor carries out thermal conductivity according to the test method of heat-conducting property described in embodiment 1, and test result is: the thermal conductivity that Hollow floor is moulded in wooden ore deposit prepared by the utility model embodiment 4 is 10.7W/ (m DEG C).
The present embodiment 4 tests according to the mechanic property test method of embodiment 1 mechanical strength that Hollow floor is moulded in the obtained wooden ore deposit of the present embodiment 4, the results are shown in Table 1; The present embodiment 4 tests according to the water resistence of embodiment 1 and Form aldehyde release weight testing method water resistence and the burst size of methanal that Hollow floor is moulded in the obtained wooden ore deposit of the present embodiment 2, the results are shown in Table 2.
Comparative example 1
The utility model obtains solid corn mineral according to embodiment 1 preparation process and moulds conjunction floor, and it is long is 1000mm, and wide is 145mm, and thickness is 10mm.The utility model is moulded conjunction floor according to the thermal conductivity test technological scheme of embodiment 1 to the solid corn mineral that this comparative example obtains and is tested, and test result is: it is 10.5W/ (m DEG C) that this novel obtained solid corn mineral moulds the thermal conductivity closing floor.
The solid corn mineral that this comparative example 1 obtains moulds the mechanical property on conjunction floor in table 1, and the test result of its water resistence and burst size of methanal is in table 2.
Comparative example 2
The production technology of this comparative example 2 is with example 4, and solid floor is moulded in obtained wooden ore deposit, and the length that solid floor is moulded in wooden ore deposit is 1000mm, and wide is 145mm, and thickness is 10mm.
This comparative example 2 moulds to wooden ore deposit prepared by the present embodiment 6 test that solid floor carries out thermal conductivity according to the measuring technology scheme of heat-conducting property described in said structure, and test result is: the thermal conductivity that solid floor is moulded in wooden ore deposit prepared by the utility model embodiment 6 is 9.7W/ (m DEG C).
The wooden mineral that this comparative example 1 obtains moulds the mechanical property of solid floor in table 1, and the test result of its water resistence and burst size of methanal is in table 2.
As seen from the above embodiment, the utility model provides a kind of hollow board material, and the inside of described hollow board material has several first hollow structures and several second hollow structures, several first hollow structures described and several the second hollow structure interlaced arrangement; Perpendicular to the upper surface direction of described hollow board material, upper surface and the lower surface of described first hollow structure are plane; Along hollow board material width direction, the width of the upper surface of described first hollow structure is greater than the width of lower surface; Perpendicular to the upper surface direction of described hollow board material, upper surface and the lower surface of described second hollow structure are plane; Along hollow board material width direction, the width of the upper surface of described second hollow structure is less than the width of lower surface; The adjacent surface of described first hollow structure and the second hollow structure is parallel surface; The lower surface of described hollow board material is provided with several dovetail grooves; Described dovetail groove is positioned at the below of described first hollow structure accordingly.The hollow board material that the utility model provides arranges the first hollow structure, the second hollow structure and dovetail groove, first hollow structure, the second hollow structure interlaced arrangement, and described dovetail groove is positioned at the below of described first hollow structure accordingly, hollow board material is made to have higher mechanical strength.
In addition, the hollow board material that the utility model provides arranges the first hollow structure and the second hollow structure, and the setting of described first hollow structure and the second hollow structure can increase the thermal conductivity of hollow board material, improves the recovery electric heating system of sheet material; Also economize in raw materials, alleviate panel weight.
The above is only preferred implementation of the present utility model; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (10)
1. a hollow board material, is characterized in that, the inside of described hollow board material has several first hollow structures and several second hollow structures, several first hollow structures described and several the second hollow structure interlaced arrangement;
Perpendicular to the upper surface direction of described hollow board material, upper surface and the lower surface of described first hollow structure are plane; Along hollow board material width direction, the width of the upper surface of described first hollow structure is greater than the width of lower surface;
Perpendicular to the upper surface direction of described hollow board material, upper surface and the lower surface of described second hollow structure are plane; Along hollow board material width direction, the width of the upper surface of described second hollow structure is less than the width of lower surface;
The adjacent surface of described first hollow structure and the second hollow structure is parallel surface;
The lower surface of described hollow board material is provided with several dovetail grooves;
Described dovetail groove is positioned at the below of described first hollow structure accordingly.
2. hollow board material according to claim 1, is characterized in that, perpendicular to the upper surface direction of described hollow board material, the cross section of several the first hollow structures described is right-angled trapezium;
The cross section of several the second hollow structures described is right-angled trapezium.
3. hollow board material according to claim 1, is characterized in that, perpendicular to the upper surface direction of described hollow board material, the cross section of several the first hollow structures described is isosceles trapezoid;
The cross section of several the second hollow structures described is isosceles trapezoid.
4. hollow board material according to claim 1, is characterized in that, the perpendicular distance of the upper surface of several the first hollow structures described and the lower surface of described hollow board material and the Thickness Ratio of described hollow board material are 2 ~ 4:10.
5. hollow board material according to claim 1, is characterized in that, the width of described first hollow structure upper surface is 7 ~ 9mm;
The width of the lower surface of described first hollow structure is 5 ~ 7mm.
6. hollow board material according to claim 1, is characterized in that, the width of the second hollow structure upper surface is 5 ~ 7mm;
The width of the lower surface of described second hollow structure is 7 ~ 9mm.
7. hollow board material according to claim 1, is characterized in that, the relative side, two sides of described hollow board material is provided with limited impression, and opposite side is provided with the spacing preiection with described limited impression adaptation.
8. hollow board material according to claim 1, is characterized in that, the width of described hollow board material and the width of the upper surface of described first hollow structure are than being (140 ~ 150): (5 ~ 7).
9. hollow board material according to claim 7, is characterized in that, perpendicular to the upper surface direction of described hollow board material, the aspect ratio of described spacing preiection and described hollow board material is 2.5 ~ 3.5:10.
10. hollow board material according to claim 1, is characterized in that, the degree of depth of described dovetail groove and the Thickness Ratio of described hollow board material are 1.5 ~ 2.5:10.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520243424.0U CN204664839U (en) | 2015-04-21 | 2015-04-21 | A kind of hollow board material |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520243424.0U CN204664839U (en) | 2015-04-21 | 2015-04-21 | A kind of hollow board material |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105221916A (en) * | 2015-10-08 | 2016-01-06 | 常州市江浪铸造有限公司 | Movable splice fishplate bar |
| CN105605403A (en) * | 2016-02-26 | 2016-05-25 | 嘉兴云木环保科技有限公司 | Slab with hollow cloud wood structure |
-
2015
- 2015-04-21 CN CN201520243424.0U patent/CN204664839U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105221916A (en) * | 2015-10-08 | 2016-01-06 | 常州市江浪铸造有限公司 | Movable splice fishplate bar |
| CN105605403A (en) * | 2016-02-26 | 2016-05-25 | 嘉兴云木环保科技有限公司 | Slab with hollow cloud wood structure |
| CN105605403B (en) * | 2016-02-26 | 2018-01-26 | 浙江云木环保科技有限公司 | A kind of flat board of the hollow cloud timber structure of band |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150923 Termination date: 20170421 |