CN204326361U - The composite board with shape coextrusion mold moulded by a kind of wood - Google Patents

The composite board with shape coextrusion mold moulded by a kind of wood Download PDF

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Publication number
CN204326361U
CN204326361U CN201420535168.8U CN201420535168U CN204326361U CN 204326361 U CN204326361 U CN 204326361U CN 201420535168 U CN201420535168 U CN 201420535168U CN 204326361 U CN204326361 U CN 204326361U
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shape
wood
composite board
framework
moulded
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邱洪
刘素梅
赵永生
党连军
赵峥
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Beijing New Building Material Group Co Ltd
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Beijing New Building Material Group Co Ltd
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Abstract

The application provides a kind of wood to mould the composite board with shape coextrusion mold, it comprises wood and moulds framework and shape, described wood is moulded framework and is provided with the first chamber, described shape is positioned at the first chamber, the wall of described first chamber is bonding with the surface of shape, wherein, the Wood-plastic material layer that framework is foaming moulded by described wood, and described shape is ringent shape.The composite board of the coextrusion mold of the utility model embodiment, selects the shape of open-type, does not adopt shape of remaining silent, both ensured composite board fundamental strength, saved rolled steel dosage, simultaneously for extrusion die realizes coldly in compressed air creating condition.

Description

The composite board with shape coextrusion mold moulded by a kind of wood
Technical field
The utility model relates to a kind of heat preservation plate material, particularly relates to a kind of wood and moulds the composite board with shape coextrusion mold.
Background technology
Conventional house body of wall for building, the solid clay brick that adopts is unfavorable for protecting farmland more; The materials for walls such as current air-entrained concrete building block, hollow brick, to construct at the scene, need cement wet trade, the a large amount of building waste of on-the-spot generation, and consuming a large amount of artificial, wall size precision is also difficult to control, and building cycle is long, at least more than half a year, often reach 1 year and even within more than 2 years, could complete.
For adapting to the needs of the batch production of novel building house, ecology, energy-conservation and environmental protection, Chinese patent CN102650367A provides with holes or pit-metal and resin composite co-extruded profile, shape and resin adopt coextrusion process manufacture by extruder, and molten resin is inlayed and is combined into one with holes or pit-metal section bar in shape hole or pit.Resin comprises: PVC, PE, PP, ABS, fluororesin, and wood is moulded, and glass is moulded.
But wood plastic composite density is 3-4 times of classical wood millwork, and its ductility and impact resistance decline, and material is crisp, its mechanical strength (stretch and bend) is less than unfilled plastics, limits application.If adopt the Wood-plastic material of foaming, the density of Wood-plastic material greatly can be reduced.If but when adopting foaming technique to improve its performance, because the Wood-plastic foam material flowability of molten state is very strong, easily via hole, causes foam wood/plastic composite material to enter shape inside in a large number, the inner chamber of shape blocked.Moreover Wood-plastic material is in foaming process, and a large amount of bubbles given birth to by blowing agent, cause its inside to have larger pressure, and the pressure in shape is in normal pressure, relatively low, also Wood-plastic foam can be caused to pass the pre-manufactured hole of shape, the inner chamber of shape is blocked.Therefore, be impossible coextrusion mold by above-mentioned patented technology Wood-plastic foam material and shape.
Utility model content
In order to solve above-mentioned prior art problem, the utility model prepares a kind of shaping composite board with low-density, low thermal conductivity, high strength.
The utility model provides a kind of wood and moulds the composite board with shape coextrusion mold, it comprises wood and moulds framework and shape, and described wood is moulded framework and is provided with the first chamber, and described shape is positioned at the first chamber, the wall of described first chamber is bonding with the surface of shape
Wherein, described wood is moulded framework and is made up of the Wood-plastic material foaming, and described shape is ringent shape.
Preferably, described wood is moulded framework and is provided with one or more second chamber.
Preferably, described wood mould in framework be provided be parallel to described composite board plane one or multi-channel first separate in muscle.
Preferably, described wood mould in framework be provided with perpendicular to described composite board one or multi-channel second separate in muscle.
Preferably, one end of described composite board is provided with convex stupefied, and another opposite end is provided with groove, one block of composite board convex stupefied can with the fit depressions grafting of another block composite board.
Preferably, one end of described composite board is provided with ledge structure, and another opposite end is provided with ledge structure, and one piece of composite board ledge structure can be in mating connection with the ledge structure of another block composite board.
Preferably, the cross section of described shape is semi-surrounding shape.
Preferably, the wall thickness of described shape is 0.3-8.0mm.
Compared with relevant technologies, the beneficial effect of the application is as follows:
(1) composite board of the coextrusion mold of the utility model embodiment, select the shape of open-type, do not adopt shape of remaining silent, both composite board fundamental strength had been ensured, save rolled steel dosage, simultaneously for extrusion die realizes coldly in compressed air creating condition, because the surface of shape is not provided with pre-manufactured hole, molten wood creeping body can be stoped to flow into the first chamber.The air flue arranged in extrusion die, gas can by air flue through shape opening, thus enter the container of the hollow that shape and demarcation strip surround, finally enter the first chamber again, the feature making full use of light steel sheet coefficient of thermal conductivity high carries out Rapid cooling in the air, by regulating air flow control cooling velocity, improve cooling and shaping efficiency, thus improving production efficiency.
The first chamber that framework moulded by wood is provided with shape, when Wood plastic wall board carrys additionally weight, anchorage point is located at the position of embedded metal section bar, fundamentally solve the anchoring load-bearing problem of Wood plastic wall board when hanging the weight such as air-conditioning, television set, the position of embedded metal thin plate in Wood plastic wall board and house supporting frame are carried out screw or bolton links, fundamentally eliminate the Strength Safety hidden danger that wallboard as a whole moulded by wood; Framework is moulded and shape carries out compound due to wood, further increase the bulk strength of Wood-plastic material and metal construction, and disperseed because of metal material and the wooden stress that expands with heat and contract with cold moulded because material difference produces, decrease flexible difference that two kinds of materials produce because of variation of ambient temperature to the negative effect of combined strength bination, more be conducive to the bulk strength of wallboard as a whole after shape and wood plastics composite, improve the mechanical strength of the integral wall of metal and wood plastics composite further.
Because interior metal section bar effectively provides mechanical strength, framework composite integrated moulded by shape and wood, thus wood is moulded to the requirement of strength reduction of part, the material that framework moulded by wood can adopt foaming technique, thus not only saved wood and mould materials, also substantially increase the heat insulating and sound insulating performance as heat-insulating wall plate application.
(2) composite board of the coextrusion mold of the utility model embodiment, need the indoor and outdoor thickness 100mm ~ 600mm that can pass easily through Design of Dies wallboard according to insulation and intensity, this wallboard coefficient of heat conduction can reach 0.2W/m 2k ~ 0.5W/m 2k, is satisfied with the standard-required of national novel wall heat preservation energy-saving 65%, higher than ordinary reinforced concrete wall thermal insulating effect more than three times, does not need to increase in addition to install insulation layer, has good heat insulation effect.Also there is heat insulation, sound insulation property simultaneously, have inside and outside Self-decorating performance and the high feature of structural strength concurrently.Composite board fire resistance can reach B1 level.
(3) composite board of the coextrusion mold of the utility model embodiment, abundant combination has played heat insulating and sound insulating, corrosion-resistant, good weatherability that the high strength feature of steel and wood moulds, has not ftractureed, indeformable, be easy to shaping, the feature such as decorative surface is good, plate surface can carry out the incrustation process such as application, embossing, transfer printing, overlay film as required.
(4) composite board of the coextrusion mold of the utility model embodiment, during as heat-insulating wall plate, can according to drawing directly from factory's blanking cutting, being transported to building site can be directly assembled as building blocks, can carry out the various decorations process such as embossing, application, transfer printing, overlay film as required outside these composite board indoor.Disposable the solving of this composite board arrives outdoor body of wall indoor, possess the performances such as insulation, heat insulation, sound insulation, indoor and outdoor surface no longer needs insulation to wait other process, greatly save on-site construction time, do not need onsite application caulking agent, face coat, nail, foaming fluid sealant etc. operation, while remarkable lifting light house efficiency of construction, scene is no pollution almost, and rubbish scene of almost not constructing is residual.Rapid construction, under same ground base and frame conditions, the general same day can complete a whole set of villa.
(5) composite board of the coextrusion mold of the utility model embodiment, monolithic composite panel material Cross section Design is horizontal and vertical multi-chamber structure, multi-chamber structure significantly promotes heat insulating and sound insulating performance, and only composite metal profile in a chamber wherein, Wood plastic wall board can be solved like this with relatively less shape consumption and carry additionally weight and the grappling problem with load-carrying members.
(6) composite board of the coextrusion mold of the utility model embodiment, in the process manufactured, arrange positioning precision deflector roll and tractor stretching accurately to combine, achieve the accurate tight bond compound that profiled metal thin plate is moulded with wood, greatly save operation, artificial and energy consumption.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the output of extrusion die in the utility model embodiment 1;
Fig. 2 be in Fig. 1 A1-A1 to generalized section;
Fig. 3 be spreader in Fig. 2 B1-B1 to generalized section;
Fig. 4 is the generalized section of the composite board of the coextrusion mold of the utility model embodiment 1;
Fig. 5 is the cross sectional representation of the shape of the utility model embodiment 1;
Fig. 6 is the schematic diagram of the output of extrusion die in the utility model embodiment 2;
Fig. 7 is the generalized section of the composite board of the coextrusion mold of the utility model embodiment 2;
Fig. 8 is the cross sectional representation of the shape of the utility model embodiment 2;
Fig. 9-15 is the generalized section of the composite board of the coextrusion mold of the utility model embodiment 3-9;
Reference numeral: framework moulded by 1-wood, 11-first separates interior muscle, and 12-second separates interior muscle, and 13-first is convex stupefied, 14-first groove, 15-ledge structure, 2-shape, 3-extrusion die, 31-die ontology, 311-connects template, and 312-shunts template, 313-forming panel, 314-exports template, 32-core rod, 33-demarcation strip, 34-die cavity, 341-charging aperture, 35-air flue, 351-gas access, 36-spreader, 37-sprue
Detailed description of the invention
Hereinafter will be described in detail to embodiment of the present utility model by reference to the accompanying drawings.It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can be combined mutually.
Embodiment 1
(1) raw material is taken:
Take the raw material that framework 1 moulded by wood: polyvinyl chloride 40 weight portion, wood powder (timber powder, draw ratio is less than 40:1, particle diameter is less than 1mm) 35 weight portions, inorganic filler 10 weight portion, impact modifier 8 weight portion, sliding agent 2 weight portion, stabilizing agent 2 weight portion, bulking agent 2 weight portion, processing aid 1 weight portion, blowing agent 3 weight portion.
(2) manufacture process:
First, first need to be processed into opening special section according to design of section and ventilation, wherein, the cross section of shape can be the profiled shape of U-shaped, C shape or semi-surrounding, can adopt shape 2 as shown in Figure 5 in the present embodiment.
Composite board is by extrusion die 3 coextrusion mold, and extrusion die 3 comprises die ontology 31 and demarcation strip 33, and demarcation strip 33 is arranged in the die cavity 34 of formation on die ontology 31.
Ringent shape 2 sends into the die cavity 34 of extrusion die 3 through pinpoint deflector roll up and down, the shape 2 sending into die cavity 34 and demarcation strip 33 surround the container of a hollow, this container and and die ontology 31 between there is the gap of the Wood-plastic material for injecting melting.
Add in the hopper of the first extruder after above-mentioned wood being moulded the raw material mixing of framework 1, then extrude the Wood-plastic material of molten state.While sending into shape 2, the Wood-plastic material of molten state is sent into die cavity 34, with shape 2 heat bonding, and the gap location cooling forming between container and die ontology 31, form the wood be complex as a whole with shape 2 and mould framework 1.This wood is moulded framework 1 and is comprised the first chamber surrounding shape 2.When extrusion die 3 is provided with one or more core rod 32, between core rod 32 and airtight entity, die ontology 31, there is the space of the Wood-plastic material for injecting melting.The Wood-plastic material of molten state is sent into die cavity 34, and the wood be complex as a whole with shape 2 formed after gap location cooling forming is moulded framework 1 and is comprised outer and muscle in separating.
While the Wood-plastic material of shape 2 and molten state sends into die cavity 34, gas passes die ontology 31, die cavity 34 and demarcation strip 33 successively by air flue 35, enter the container of the hollow that shape 2 surrounds with demarcation strip 33, and then the first chamber of framework 1 is moulded by wood, interior cooling is carried out to the Wood-plastic foam material of molten state, and then discharges.
Finally, through supercooling and shaping after wood mould framework 1 and shape 2 through shaper, the cooling system of shaper moulds framework 1 to wood and shape 2 is cooled to room temperature, wood is moulded framework 1 and is thoroughly solidified, thus framework 1 moulded by formation wood and shape 2 is combined into overall composite board, and then carry out tractive by the uniform velocity tractor, fixed length cutting, packaging warehouse-in as required.
(3) extrusion die:
See figures.1.and.2, extrusion die 3 comprises die ontology 31 and demarcation strip 33, and the feed end of mould is connected with extruder.In one example, die ontology 31 comprises and connects template 311, shunting template 312, forming panel 313 and outlet template 314 successively, connects template 311 and is connected with extruder.
The present embodiment is provided with demarcation strip 33 and air flue 35 in extrusion die 3, and demarcation strip 33 is arranged in the die cavity 34 of formation on die ontology 31, and shape 2 is ringent shape; Demarcation strip 33 surrounds the container of a hollow with the shape 2 sending into die cavity 34, there is the gap of the Wood-plastic material for injecting melting between this container and die ontology 31.Wherein, extrusion die 3 is also provided with air flue 35, and air flue 35 enters the space of container successively through die ontology 31, die cavity 34 and demarcation strip 33.
In one example, it is inner that air flue 35 can enter extrusion die 3 by forming panel 313, air flue 35 is made up of the spreader 36 (as shown in Figure 3) of a hollow the part of die cavity 34, to separate the Wood-plastic material of molten state, then the space of the hollow of the container that shape 2 surrounds with demarcation strip 33 is entered by demarcation strip 33 and shape 2 opening, ventilated in the space of hollow, cool fast with the feature making full use of light steel sheet coefficient of thermal conductivity high, by adjusting gas flow controlled cooling model speed, improve cooling and shaping efficiency, thus improving production efficiency.Run out of from input to prevent gas.At demarcation strip 33, one end of extrusion die input is provided with sprue 37, demarcation strip 33 is close to by sprue 37, and the one end of the container that operationally demarcation strip 33 and shape 2 can be surrounded blocks.
In order to make composite board form multiple second chamber, can also one or more core rod 32 be set in die ontology 31.The gap of the Wood-plastic material for injecting melting is there is between core rod 32 and die ontology 31, also the gap of the Wood-plastic material for injecting melting is there is between core rod 32 and between core rod 32 and container, these gaps are communicated with between container with the gap of die ontology 31, and frame part moulded by the wood of the composite board that can be shaped after injecting the Wood-plastic material of melting.In order to demarcation strip 33 and core rod 32 are fixed in die cavity 34 body.Demarcation strip 33 can be connected with die ontology 31 respectively by dowel with core rod 32, also one end of dividing plate 33 and core rod 32 can be connected with being connected template 311 or shunting template 312, thus realize fixing.
Mould shown in Fig. 1 and 2 can the composite board shown in shop drawings 4, and as illustrated in fig. 1 and 2, extrusion die 3 comprises a demarcation strip 33 and two core rods 32.Demarcation strip 33 can surround the container of a hollow with shape 2.
When ringent shape 2 passes through or sends into die cavity 33, ringent shape 2 and demarcation strip 33 surround the container of a hollow.Container and be provided with the gap of the Wood-plastic material for injecting melting between core rod 32 and die ontology 31, the Wood-plastic material of such melting enters these gaps and forms the skin that framework 1 moulded by wood.
Two core rods 32 each other and there is the gap of the Wood-plastic material for injecting melting between container and core rod 32, namely between two core rods 32, between two core rods 32 and shape 2 or demarcation strip keep certain interval.The Wood-plastic foam material of melting enters between two core rods 32 and shape 2 or demarcation strip and keeps certain interval, formed first of composite board plane separate in muscle 11.First wood separating interior muscle 11 and right side is moulded framework 1 and is surrounded the first chamber, and the wall of the first chamber is mutually bonding with the surface of shape 2.
The Wood-plastic foam material of melting enters the gap between two core rods 32, one second can be formed and separate interior muscle 12, it is vertical that the interior muscle 12 and first of second separation separates interior muscle 11, first wood separating muscle 12 and left side in interior muscle 11, second separation is moulded framework 1 and is surrounded two the second chambers, and the shape of the cross section of two core rods 32 is corresponding respectively with above-mentioned two the second chamber cross section respectively.
Forming panel 313 is provided with the gas access 351 that gas enters air flue 35, and such gas enters extrusion die 3 through gas access 351 and air flue 35 inner, thus cools shape 2.
Cooling to mould framework 1 to the wood of the molten in extrusion die 3, in die ontology 31, being provided with water cooling passageway or water cooling chamber.
Shunting template 312 is provided with charging aperture 341, and the Wood-plastic foam material of the molten that extruder is extruded enters shunting template 312 from charging aperture 341, after shunting template 312 shunting action, enter die cavity 34.
As shown in Figures 2 and 3, in order to reduce the resistance of the Wood-plastic foam material of air flue 35 pairs of molten states, can form at the spreader 36 of of die cavity 34 section air flue 35 by hollow.
As disposable embodiment, air flue 35 also can enter through shunting template 312, and air flue 35 first through flow distribution plate 312, then enters shape 2 and the wooden hollow container moulded framework 1 and form, finally enter the first chamber, thus framework 1 is moulded to shape 2 and wood carry out interior cooling.
(4) composite board
The two ends of its composite board produced are respectively arranged with ledge structure 15, and one piece of composite board ledge structure 15 can be in mating connection with the ledge structure 15 of another block composite board.
(5) shape
The present embodiment adopts the shape 2 shown in Fig. 5, and shape 2 comprises web and wing plates on two sides, and the edge of both wings is provided with to bending or towards the folding hook of inner side, such shape 2 can form ringent shape 2.It is mutually bonding that interior muscle 11 separated by the web of shape 2 and first of composite board.
Embodiment 2
The present embodiment produces composite board as shown in Figure 7, its preparation method and raw material substantially the same manner as Example 1.Difference is: adopt the extrusion die shown in Fig. 7 and different shapes.The shape 2 of Fig. 6 is different with the position of demarcation strip 33 in composite board from the shape 2 in Fig. 1 with demarcation strip 33, and the web of shape 2 in Fig. 7 is mutually bonding with the skin (inwall near composite board surface) of the composite board of composite board.The sectional drawing of the same slice location of Fig. 7 and Fig. 1 is substantially identical, only has the difference of some dimensionally.
Mould shown in Fig. 6 can the composite board shown in shop drawings 7, and as shown in Figure 6, extrusion die 3 comprises a demarcation strip 33 and three core rods 32.
Demarcation strip 33 and shape 2 surround the container of a hollow, core rod 32 and there is the gap of the Wood-plastic material for injecting melting between container and die ontology 31, i.e. demarcation strip 33, shape 2 and keep certain interval between three core rods 32 and die ontology 31.After the Wood-plastic foam material of melting enters core rod 32 and the gap between container and die ontology 31, form the skin of composite board.Between container and core rod 32 and three core rods 32 keep certain gap each other, namely demarcation strip 33 or between shape 2 and three core rods 32 and three core rods 32 keep certain gap each other.After the Wood-plastic foam material of melting enters the gap between container and core rod 32, formed be parallel to first of composite board plane separate in muscle 11.The Wood-plastic foam material of melting enters between three core rods 32, can be formed two second separate in muscle 12, second separate in muscle 12 and first to separate interior muscle 11 vertical.
In first separation, wood is moulded framework and is separated into first chamber and three the second chambers by muscle 11 and the interior muscle 12 of the second separation, first wall separating chamber is bonded with shape 2, another three second separation chambers are vacant, and the shape of the cross section of three core rods 32 is corresponding with above-mentioned three the second chamber cross section respectively.
(4) composite board
Because the shape of die cavity 34 is different from the shape of embodiment 1, thus the profile of obtained composite board is different.As shown in Figure 7, its equal one end of composite board produced is provided with first convex stupefied 13, and another opposite end is provided with first convex stupefied 13 of the first groove 14, one block of composite board and can matches with the first groove 14 of another block composite board grafting.
(5) shape
The present embodiment adopts the shape 2 shown in Fig. 8, and shape 2 comprises web and wing plates on two sides, and the edge of both wings is provided with to bending or towards the folding hook of inner side, such shape 2 can form ringent shape 2.
Embodiment 3
Produce composite board as shown in Figure 9, its preparation method and raw material substantially the same manner as Example 2, difference is:
Extrusion die: extrusion die 3 is only provided with demarcation strip 33, and core rod 32 is not set, like this when manufacturing composite board, demarcation strip 33 can surround the container of a hollow with shape 2, exist between container and die ontology 31 Wood-plastic material for injecting melting gap, the Wood-plastic foam material of such melting enters die cavity 34 and injects gap, framework 1 is moulded at the wood forming composite board with the periphery of demarcation strip 33 of shape 2, after cooling forming, composite board only has first chamber, and the wall of surface first chamber of shape 2 is mutually bonding.
Shape: the present embodiment adopts the shape 2 in Fig. 9, substantially the same manner as Example 2, difference is: a wing plate of shape 2 arranges a similar shape in the first convex inside of stupefied 13 second is convex stupefied, second convex stupefied protrusion direction is outside towards shape 2, and another wing plate is provided with second groove similar to the first groove 14 in the inside of the first groove 14, the second slot opening direction is outside towards shape 2.
Embodiment 4
Produce composite board as shown in Figure 10, its preparation method and raw material substantially the same manner as Example 2,
Difference is: be only provided with a demarcation strip 33 and a core rod 32 in extrusion die 3, shape adopts the shape 2 shown in Figure 10, as shown in Figure 10, its composite board produced is provided with and is parallel to the interior muscle 11 of the first separation together that framework 1 plane moulded by wood, in first separation, wood is moulded framework 1 and is separated into first chamber and second chamber by muscle 11, first internal face separating chamber is bonded with shape 2, and another the second separation chamber is vacant.
Embodiment 5
Produce composite board as shown in figure 11, its preparation method and raw material substantially the same manner as Example 2,
Difference is: be provided with a demarcation strip 33 and two core rods 32 in extrusion die 3, shape adopts the shape 2 shown in Figure 11.As shown in figure 11, the composite board produced is provided with and is parallel to the twice first that wood moulds framework 1 plane and separates interior muscle 11, in first separation, in muscle 11 second separation, wood is moulded framework 1 and is separated into first chamber and two the second chambers by muscle 12, first wall separating chamber is bonded with shape 2, and two second separation chambers are vacant.
Embodiment 6
Produce composite board as shown in figure 12, its preparation method and raw material substantially the same manner as Example 2,
Difference is: be provided with the core rod 32 of a demarcation strip 33, three large models and the core rod 32 of a ting model in extrusion die 3, shape adopts the shape 2 shown in Figure 12.As shown in figure 12, the composite board produced is provided with and is parallel to twice first that wood moulds framework 1 plane and separates interior muscle 11 and twice second separate interior muscle 12, in first separation, wood is moulded framework 1 and is separated into first chamber and four the second chambers by muscle 11 and the interior muscle 12 of the second separation, first wall separating chamber is bonded with shape 2, and four the second chambers are vacant.Shape 2 and shape 2 location swap in Fig. 1 of Figure 12.
Embodiment 7
Produce composite board as shown in fig. 13 that, its preparation method and raw material substantially the same manner as Example 1, difference is:
A demarcation strip 33 is provided with in extrusion die 3.
Shape: the present embodiment adopts the shape 2 shown in Figure 13, and substantially the same manner as Example 1, difference is a: wing plate of shape 2 is provided with ledge structure 15 in position therebetween.
Composite board: only have one first to separate chamber, the first compartment indoor are bonded with shape 2.The shape 2 of Figure 13 is different from the position of shape 2 in composite board in Fig. 1, the web of the shape 2 in Figure 13 is mutually bonding with the skin (inwall near composite board surface) of composite board, and the web of the shape 2 of Fig. 1 and first to separate interior muscle 11 bonding.
Embodiment 8
Produce composite board as shown in figure 14, its preparation method and raw material substantially the same manner as Example 1,
Difference is: the core rod 32 being provided with a demarcation strip 33 and in extrusion die 3, and shape adopts the shape 2 shown in Figure 14.
As shown in figure 14, its composite board produced is provided with and is parallel to the interior muscle 11 of the first separation together that framework 1 plane moulded by wood, in first separation, wood is moulded framework 1 and is separated into first chamber and second chamber by muscle 11, first wall separating chamber is bonded with shape 2, and the second chamber is vacant.The shape 2 of Figure 14 is different from the position of shape 2 in composite board in Fig. 1, and the web of the shape 2 in Figure 14 is mutually bonding with the skin (inwall near composite board surface) of composite board.
Embodiment 9
Produce composite board as shown in figure 15, its preparation method and raw material substantially the same manner as Example 1,
Difference is: the core rod 32 being provided with a demarcation strip 33 and two in extrusion die 3, and shape adopts the shape 2 shown in Figure 15.
As shown in figure 15, its composite board produced be provided be parallel to wood mould framework 1 plane together first separate in muscle 11 and together with second separate interior muscle 12, in first separation, wood is moulded framework 1 and is separated into first chamber and two the second chambers by muscle 11 and the interior muscle 12 of the second separation, first wall separating chamber is bonded with shape 2, and two the second chambers are vacant.The shape 2 of Figure 15 is different from the position of shape 2 in composite board in Fig. 1, and the web of the shape 2 in Figure 15 is mutually bonding with the skin (inwall near composite board surface) of composite board.
Embodiment 10
Embodiment 10 is identical with the preparation method of embodiment 1, and difference is, the raw material that framework 1 moulded by its wood adopted is different
Take the raw material that framework 1 moulded by wood: polyethylene (PE) 45 weight portion, inorganic filler 5 weight portion, sliding agent 2 weight portion, bulking agent 2 weight portion, processing aid 1 weight portion, wood powder 23 weight portion, impact modifier 3 weight portion, fire retardant 9 weight portion, bulking agent 1 weight portion, blowing agent 4 weight portion, foam modifier 5 parts.
Embodiment 11
Embodiment 11 is identical with the preparation method of embodiment 1, and difference is, the raw material that framework 1 moulded by its wood adopted is different
Take the raw material that framework 1 moulded by wood: polypropylene PP 37 weight portion, fire retardant 10 weight portion, bamboo powder 27 weight portion, inorganic filler 10 weight portion, impact modifier 5 weight portion, sliding agent 1 weight portion, bulking agent 2 weight portion, blowing agent 3 weight portion, foam modifier 5 parts.
Embodiment 12
Embodiment 12 is identical with the preparation method of embodiment 1, and difference is, the raw material that framework 1 moulded by its wood adopted is different
Take the raw material that framework 1 moulded by wood: chlorinated polyvinyl chloride 40 weight portion, wood powder 30 weight portion, inorganic filler 7 weight portion, impact modifier 8 weight portion, sliding agent 2 weight portion, stabilizing agent 3 weight portion, bulking agent 1 weight portion, processing aid 1 weight portion, blowing agent 3 weight portion, foam modifier 5 parts.
Test case
Composite board (integral wall thickness 180mm prepared by Example 1 and 10-12, wall thickness 10mm moulded by outer wood), framework density is moulded according to JG 169-2005 mensuration foam inner layer density and wood, and test fire-protection rating, according to the thermal transmittance of GB/T 13475-2008 working sample according to GB 50222-1995.Its test result is in table 1.
Table 1
Embodiment 1 Embodiment 10 Embodiment 11 Embodiment 12
Framework density Kg/m moulded by wood 3 865 761 793 893
Fire-protection rating B1 B2 B2 B1
Thermal transmittance W/ (m 2K) 0.32 0.25 0.27 0.35
Known by the data of table 1, the utility model embodiment 1 and the composite board prepared by 10-12, this composite board can be directly used in the heat-insulating wall plate making light house, overall thickness of slab can reach more than 100mm, can reach the fire-retardant B2 level of composite board or B1 level by adding the ways such as fire retardant in formula, fire resistance is all better than solid wood wooden house wall.Thermal transmittance is lower than 0.40W/ (m 2k), heat-insulating property is far away higher than conventional house such as concrete, gas concrete, hollow bricks, and heat-insulating property is better than solid wood wooden house wall.
Although the embodiment disclosed by the utility model is as above, the embodiment that described content just adopts for the ease of understanding the utility model, and be not used to limit the utility model.Technician in any the utility model art; under the prerequisite not departing from the spirit and scope disclosed by the utility model; any amendment and change can be done what implement in form and in details; but scope of patent protection of the present utility model, the scope that still must define with appending claims is as the criterion.

Claims (8)

1. the composite board with shape coextrusion mold moulded by wood, it is characterized in that, it comprises wood and moulds framework and shape, described wood is moulded framework and is provided with the first chamber, described shape is positioned at the first chamber, and the wall of described first chamber is bonding with the surface of shape
Wherein, described wood is moulded framework and is made up of the Wood-plastic material foaming, and described shape is ringent shape.
2. composite board according to claim 1, wherein, described wood is moulded framework and is provided with one or more second chamber.
3. composite board according to claim 1 and 2, wherein, described wood mould in framework be provided be parallel to described composite board plane one or multi-channel first separate in muscle.
4. composite board according to claim 1 and 2, wherein, described wood mould in framework be provided with perpendicular to described composite board one or multi-channel second separate in muscle.
5. composite board according to claim 1 and 2, wherein, one end of described composite board is provided with convex stupefied, and another opposite end is provided with groove, one block of composite board convex stupefied can with the fit depressions grafting of another block composite board.
6. composite board according to claim 1 and 2, wherein, one end of described composite board is provided with ledge structure, and another opposite end is provided with ledge structure, and one piece of composite board ledge structure can be in mating connection with the ledge structure of another block composite board.
7. composite board according to claim 1 and 2, wherein, the cross section of described shape is semi-surrounding shape.
8. composite board according to claim 1 and 2, wherein, the wall thickness of described shape is 0.3-8.0mm.
CN201420535168.8U 2014-09-17 2014-09-17 The composite board with shape coextrusion mold moulded by a kind of wood Active CN204326361U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016041513A1 (en) * 2014-09-17 2016-03-24 北新集团建材股份有限公司 Extrusion mold and manufacturing method for composite plate material formed by coextrusion
CN105484422A (en) * 2014-09-17 2016-04-13 北新集团建材股份有限公司 Composite plate molded by co-extrusion of wood plastics and metal profile and preparation method thereof
CN106545123A (en) * 2015-09-16 2017-03-29 青岛房桥植物刚科技有限公司 A kind of composite cross shape wood moulding post

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016041513A1 (en) * 2014-09-17 2016-03-24 北新集团建材股份有限公司 Extrusion mold and manufacturing method for composite plate material formed by coextrusion
CN105484422A (en) * 2014-09-17 2016-04-13 北新集团建材股份有限公司 Composite plate molded by co-extrusion of wood plastics and metal profile and preparation method thereof
CN105484422B (en) * 2014-09-17 2018-06-05 北新集团建材股份有限公司 A kind of wood moulding and the preparation method of the composite board of mental section coextrusion mold
CN106545123A (en) * 2015-09-16 2017-03-29 青岛房桥植物刚科技有限公司 A kind of composite cross shape wood moulding post

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