CN105437505A - Extrusion die for composite sheet material formed by co-extrusion molding of metal section material and wood plastic - Google Patents

Extrusion die for composite sheet material formed by co-extrusion molding of metal section material and wood plastic Download PDF

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CN105437505A
CN105437505A CN201410474907.1A CN201410474907A CN105437505A CN 105437505 A CN105437505 A CN 105437505A CN 201410474907 A CN201410474907 A CN 201410474907A CN 105437505 A CN105437505 A CN 105437505A
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die
wood
shape
extrusion die
extrusion
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CN105437505B (en
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赵永生
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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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Priority to PCT/CN2015/089867 priority patent/WO2016041513A1/en
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Abstract

An extrusion die for a composite sheet material formed by co-extrusion molding of a metal section material and wood plastic comprises a mold body and a separation plate; the separation plate is arranged in a cavity formed in the mold body, and the metal section material is an opened metal section material; a hollow container is enclosed by the separation plate and the metal section material sent into the cavity, and a gap used for injecting a fused wood plastic foaming material is formed between the container and the mold body; and the extrusion mold is provided with an air channel, and the air channel successively passes through the mold body, the cavity and the separation plate and enters the container space. The extrusion mold in the embodiment is capable of producing the composite sheet material formed through co-extrusion molding of the metal section material and wood plastic, and through the air channel hollow space, too much of the fused wood plastic fluid is prevented from flowing into the hollow space, inner-cooling of the composite sheet material is realized, the cooling shaping efficiency is improved, and thus the production efficiency is improved.

Description

The extrusion die of a kind of shape and the shaping composite board of wood-plastic co-extrusion
Technical field
The present invention relates to a kind of mould, particularly relate to the extrusion die of a kind of shape and the shaping composite board of wood-plastic co-extrusion.
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.
Chinese patent CN202915032U provides a kind of Wood-plastic profiles and makes its extrusion die, this Wood-plastic profiles, it includes Wood-plastic profiles body, and the two ends of Wood-plastic profiles body are arranged with recessed bayonet socket, the center of Wood-plastic profiles body is provided with slotted eye, and one end of slotted eye is arc structure.Extrusion die comprises die ontology and core rod, and core rod is placed in die ontology, and core rod and die ontology are interconnected by dowel; One end of core rod is provided with spreader; One end of die ontology is connected with extrusion mechanism; The cross section of core rod is corresponding with the cross section of the slotted eye of the hollow position of Wood-plastic profiles.
But this extrusion die can only produce Wood-plastic profiles, but shape and the shaping composite board of wood-plastic co-extrusion can not be produced.
Summary of the invention
In order to solve above-mentioned prior art problem, the invention provides the extrusion die of a kind of shape and the shaping composite board of wood-plastic co-extrusion.
The invention provides the extrusion die of a kind of shape and the shaping composite board of wood-plastic co-extrusion,
Comprise die ontology and demarcation strip;
Described demarcation strip is arranged in die cavity that described die ontology is formed, and described shape is ringent shape; Described demarcation strip can surround the container of a hollow with the shape sending into described die cavity, there is the gap of the Wood-plastic material for injecting melting between described container and die ontology;
Wherein, described extrusion die is provided with air flue, and described air flue enters the space of described container successively through described die ontology, die cavity and demarcation strip.
Preferably, described extrusion die also comprises one or more core rod be arranged in described die cavity, there is the gap of the Wood-plastic material for injecting melting between described core rod and die ontology.
Preferably, all there is the gap of the Wood-plastic material for injecting melting between described core rod and between described core rod and described container.
Preferably, also comprise sprue, described sprue is adjacent to described demarcation strip and arranges near one end of described extrusion die input, to be blocked one end of described container.
Preferably, described die ontology comprise connect successively connection template, shunting template, forming panel and outlet template, described connection template is connected with extruder.
Preferably, one end of described demarcation strip and core rod is connected template with described or shunt template and is connected.
Preferably, described shunting template is provided with wood and moulds charging aperture, and described wood is moulded charging aperture and is connected with die cavity.
Preferably, described forming panel is provided with the entrance of described air flue.
Preferably, water cooling passageway or water cooling chamber is provided with in described die ontology.
Preferably, described air flue is made up of the spreader of a hollow the part of described die cavity.
Compared with relevant technologies, the composite board of the embodiment of the present invention, selects the shape of open-type, does not adopt shape of remaining silent, both ensured ash wall body plate fundamental strength, saved rolled steel dosage, simultaneously for extrusion die realizes coldly in compressed air creating condition.The air flue arranged in extrusion die, operationally, gas can pass the opening of the shape of opening by air flue, enter the hollow space of the container that shape and demarcation strip are formed, the feature making full use of light steel sheet thermal conductivity factor high carries out Rapid cooling in the air, by regulating air flow control cooling velocity, molten wood creeping is allowed to enter or to embed metal aperture, molten wood creeping body is stoped to flow into the space of hollow too much, simultaneously interior cold and improve cooling and shaping efficiency because adding, thus improving production efficiency.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the output of extrusion die in the embodiment of the present invention 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 embodiment of the present invention 1;
Fig. 5 is the cross sectional representation of the shape of the embodiment of the present invention 1;
Fig. 6 is the partial schematic diagram on the shape surface of the embodiment of the present invention 1;
Fig. 7 is the schematic diagram of the output of extrusion die in the embodiment of the present invention 2;
Fig. 8 is the generalized section of the composite board of the coextrusion mold of the embodiment of the present invention 2;
Fig. 9 is the cross sectional representation of the shape of the embodiment of the present invention 2;
Figure 10-16 is the generalized section of the composite board of the coextrusion mold of embodiment of the present invention 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, 21-pre-manufactured hole, 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 embodiments of the invention 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, lubricant 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 on the plate face of the sheet metal such as steel plate, aluminium sheet, the mode such as punching press, boring is adopted to be prefabricated into perforated plate construction, then need to be processed into opening special section according to Section Design and ventilation, wherein, the cross section of shape 2 can be the profiled shape of U-shaped, C shape or semi-surrounding, can adopt shape 2 as illustrated in Figures 5 and 6 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, as shown by the arrows in figure 2, for direction sent into by shape, the shape 2 sending into die cavity 34 can surround the container of a hollow with demarcation strip 33, 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, the Wood-plastic material of molten state injects or passes the pre-manufactured hole 21 of shape 2 simultaneously, thus forms projection.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 enter the first chamber that framework 1 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 hauling machine, 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 thermal conductivity factor high, by adjusting gas flow controlled cooling model speed, the Wood-plastic foam material of molten is allowed to flow into or to embed metal aperture, the Wood-plastic material of molten state is stoped to flow into the space of hollow too much, simultaneously interior cold and improve cooling and shaping efficiency because adding, thus improving production efficiency.Moreover, gas can be the gas of pressurization, the pressure in space in the container that shape 2 and demarcation strip 33 surround can be increased like this, make the pressure in this space close to the pressure of the Wood-plastic material of the molten state in die cavity 34, the Wood-plastic material of molten state also can be stoped to flow into the space of hollow too much.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 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 6, 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.Web and/or wing plates on two sides are provided with pre-manufactured hole 21.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 8, 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. 7 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 surface) of the composite board of composite board.The profile 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. 7 can the composite board shown in shop drawings 8, and as shown in Figure 7, 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 1 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 8, 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. 9, 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 10, 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 shape 2 that the present embodiment adopts, 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 11, 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, the present embodiment adopts the shape 2 shown in Figure 11, as shown in figure 11, 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 12, 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, the present embodiment adopts the shape 2 shown in Figure 12.As shown in figure 12, 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 fig. 13 that, 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, the present embodiment adopts the shape 2 shown in Figure 13.As shown in figure 13, 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 13.
Embodiment 7
Produce composite board as shown in figure 14, 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 14, 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 14 is different from the position of shape 2 in composite board in Fig. 1, the web of the shape 2 in Figure 14 is mutually bonding with the skin (inwall near composite 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 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 in extrusion die 3, and the present embodiment adopts the shape 2 shown in Figure 15.
As shown in figure 15, 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 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 surface) of composite board.
Embodiment 9
Produce composite board as shown in figure 16, 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 the present embodiment adopts the shape 2 shown in Figure 16.
As shown in figure 16, 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 16 is different from the position of shape 2 in composite board in Fig. 1, and the web of the shape 2 in Figure 16 is mutually bonding with the skin of composite board.
Although the embodiment disclosed by the present invention is as above, the embodiment that described content just adopts for the ease of understanding the present invention, and be not used to limit the present invention.Technical staff in any the technical field of the invention; under the prerequisite not departing from the spirit and scope disclosed by the present invention; any amendment and change can be done what implement in form and in details; but scope of patent protection of the present invention, the scope that still must define with appending claims is as the criterion.

Claims (10)

1. an extrusion die for shape and the shaping composite board of wood-plastic co-extrusion, is characterized in that,
Comprise die ontology and demarcation strip;
Described demarcation strip is arranged in die cavity that described die ontology is formed, and described shape is ringent shape; Described demarcation strip can surround the container of a hollow with the shape sending into described die cavity, there is the gap of the Wood-plastic material for injecting melting between described container and die ontology;
Wherein, described extrusion die is provided with air flue, and described air flue enters the space of described container successively through described die ontology, die cavity and demarcation strip.
2. extrusion die according to claim 1, is characterized in that,
Described extrusion die also comprises one or more core rod be arranged in described die cavity, there is the gap of the Wood-plastic material for injecting melting between described core rod and die ontology.
3. extrusion die according to claim 2, is characterized in that,
The gap of the Wood-plastic material for injecting melting is all there is between described core rod and between described core rod and described container.
4., according to the extrusion die in claim 1-3 described in any one, it is characterized in that,
Also comprise sprue, described sprue is adjacent to described demarcation strip and arranges near one end of described extrusion die input, to be blocked one end of described container.
5. the extrusion die according to Claims 2 or 3, is characterized in that,
Described die ontology comprise connect successively connection template, shunting template, forming panel and outlet template, described connection template is connected with extruder.
6. extrusion die according to claim 5, is characterized in that,
One end of described demarcation strip and core rod is connected template with described or shunt template and is connected.
7. extrusion die according to claim 5, is characterized in that,
Described shunting template is provided with wood and moulds charging aperture, and described wood is moulded charging aperture and is connected with die cavity.
8. extrusion die according to claim 5, is characterized in that,
Described forming panel is provided with the entrance of described air flue.
9., according to the extrusion die in claim 1-3 described in any one, it is characterized in that,
Water cooling passageway or water cooling chamber is provided with in described die ontology.
10., according to the extrusion die in claim 1-3 described in any one, it is characterized in that,
Described air flue is made up of the spreader of a hollow the part of described die cavity.
CN201410474907.1A 2014-09-17 2014-09-17 A kind of extrusion die of mental section and the molding composite board of wood-plastic co-extrusion Active CN105437505B (en)

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CN201410474907.1A CN105437505B (en) 2014-09-17 2014-09-17 A kind of extrusion die of mental section and the molding composite board of wood-plastic co-extrusion
PCT/CN2015/089867 WO2016041513A1 (en) 2014-09-17 2015-09-17 Extrusion mold and manufacturing method for composite plate material formed by coextrusion

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