CN105437507A - Extrusion die for composite sheet material formed through co-extrusion molding of wood plastic, foaming layer and metal section material - Google Patents
Extrusion die for composite sheet material formed through co-extrusion molding of wood plastic, foaming layer and metal section material Download PDFInfo
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- CN105437507A CN105437507A CN201410475234.1A CN201410475234A CN105437507A CN 105437507 A CN105437507 A CN 105437507A CN 201410475234 A CN201410475234 A CN 201410475234A CN 105437507 A CN105437507 A CN 105437507A
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Abstract
The invention provides an extrusion die for a composite sheet material formed through co-extrusion molding of wood plastic, a foaming layer and a metal section material. The die comprises a die body and a first die core, the first die core is arranged in a cavity formed in the die body, the metal section material is an opened metal section material; the first die core possesses an appearance structure matched with the opened metal section material, and can form a sealed solid body together with the metal section material sent into the cavity through cooperation, and a gap for injecting the fused wood plastic material is reserved between the sealed solid body and the die body; and the extrusion die is provided with a first flow channel and a second flow channel, and the first flow channel and the second flow channel respectively successively passes through the die body, the cavity and the first die core and reach the extrusion end of the die. The extrusion die in the embodiment is capable of producing the composite sheet material which is a composite integral body formed by the metal section material, the foaming layer and wood plastic.
Description
Technical field
The present invention relates to a kind of mould, particularly relate to that a kind of wood is moulded, the extrusion die of the composite board of foaming layer and 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.
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 the shaping composite board of shape, foaming layer and 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 that a kind of wood is moulded, the extrusion die of the composite board of foaming layer and shape coextrusion mold,
It comprises die ontology and the first core rod,
Described first core rod is arranged in die cavity that described die ontology is formed, and described shape is ringent shape; Described first core rod is provided with the contour structures matched with ringent shape, an airtight entity can being formed with the described shape obvolvent sending into described die cavity, between this airtight entity and die ontology, there is the gap of the Wood-plastic material for injecting melting;
Described extrusion die is provided with first flow and the second runner, and described first flow and the second runner arrive the extruding end of extrusion die respectively successively through described die ontology, die cavity and the first core rod.
Preferably, described extrusion die also comprises one or more second core rod, between described second core rod and described second core rod and described die ontology, all there is the space of the Wood-plastic material for injecting melting between airtight entity.
Preferably, described die ontology comprise connect successively connection template, shunting template, forming panel and outlet template.
Preferably, one end of described first core rod and the second 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 first entrance of first flow and the second entrance of the second runner.
Preferably, have convergence tube in the arranged outside of the extruding end of described extrusion die, described first flow is communicated with described convergence tube respectively with the second runner.
Preferably, water cooling passageway or water cooling chamber is provided with in described die ontology.
Preferably, described first flow and the second runner are made up of the spreader being provided with two hollow channels 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, do not adopt shape of remaining silent, both ensured ash wall body plate fundamental strength, and saved rolled steel dosage, the expanded material simultaneously realizing passing into molten for extrusion die creates condition.Arrange in pultrusion extrusion die, first performed polymer and the second performed polymer can enter shape respectively by first flow and the second runner from shape opening, then pass the first core rod thus enter the first chamber, then polymerization and foaming in the first chamber, form foaming layer, these sample trees are moulded, shape and foaming layer form a composite monolithic, enhance the thermal and insulating performance of composite plate, but also stop molten wood creeping body to flow into too much in the first chamber.
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-second core rod, 33-die cavity, charging aperture moulded by 331-wood, 34-first core rod, 35-first flow, 36-second runner, 37-convergence tube, 38-spreader, 4-foaming layer
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.
The raw material of foaming layer 4: the raw material of foaming layer 4 is divided into component A (i.e. the first performed polymer) formula: two kinds of PPGs, the first PPG 37 weight portion; The second PPG 16 weight portion; Catalyst 1 weight portion; Silicone oil 0.9 weight portion; Blowing agent 3 weight portion; Lubricant 0.3 weight portion; Fire retardant 9 weight portion; Inorganic filler 10 weight portion; B component (i.e. the second performed polymer) is filled a prescription: isocyanates 39 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 section bar can be the profiled shape of U-shaped, C shape or semi-surrounding, can adopt shape 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 the first core rod 34, first core rod 34 is arranged in the die cavity 33 of formation on die ontology 31,
The direction that ringent shape 2 sends into arrow shown in the die cavity 33, Fig. 2 of extrusion die 3 through pinpoint deflector roll is up and down that direction sent into by shape.Shape 2 and the first core rod 34 obvolvent of sending into die cavity 33 form the airtight entity that there is gap between one and die ontology 31.
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 33, with shape 2 heat bonding, and at gap location cooling forming, 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.The Wood-plastic material of molten state injects or passes the pre-manufactured hole 21 of shape 2, thus forms projection.When extrusion die 3 also comprises one or more second core rod 32, between second core rod 32 and and die ontology 31, when there is the space of the Wood-plastic material for injecting melting between airtight entity, the Wood-plastic material of molten state is sent into die cavity 33, 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.
Wood mould framework 1 send from the output of extrusion die 3 time, the raw material of foaming layer 4 is divided into the first performed polymer and the second performed polymer, extrusion die 3 is entered respectively by first flow 35 and the second runner 36, converge rear feeding first chamber or converge at the first chamber, there is sudden reaction and foaming, thus form foaming layer 4.When the arranged outside of the extruding end at extrusion die 3 has convergence tube 37, first performed polymer and the second performed polymer pass die ontology 31, die cavity 34 and the first core rod 32 respectively by first flow 35 and the second runner 36, then, after converging in convergence tube 37, enter in the first chamber.When not arranging convergence tube 37, the first performed polymer and the second performed polymer directly enter the first chamber respectively by first flow 35 and the second runner 36 and converge.
Finally, through supercooling and shaping after wood mould framework 1, foaming layer 4 and shape 2 through shaper, the cooling system of shaper is moulded framework 1, foaming layer 4 and shape 2 to wood and is cooled to room temperature, framework 1 moulded by wood and foaming layer 4 is thoroughly solidified, thus form the composite board that wood moulds framework 1, foaming layer 4 and shape 2, and then carry out tractive by the uniform velocity hauling machine, fixed length cutting, packaging warehouse-in as required.
(3) extrusion die:
As illustrated in fig. 1 and 2, concrete extrusion die 3: comprise die ontology 31 and the first core rod 34, the feed end of mould is connected with extruder.Die ontology 31 also comprises the connection template 311, shunting template 312, forming panel 313 and the outlet template 314 that are connected successively by bolt, connects template 311 and is connected with extruder.
First core rod 34 is arranged in extrusion die 3, first core rod 34 is provided with the outer shape matched with the shape 2 of half opening shape, when ringent shape 2 is by die cavity 33, semi-surrounding is in the outside of the first core rod 34 closely for ringent shape 2, and shape 2 and the first core rod 34 obvolvent of namely sending into die cavity 33 form airtight entity; The gap of the Wood-plastic material for injecting melting is there is between sealing entity and die ontology 31.Extrusion die 3 is provided with first flow 35 and the second runner 36, and first flow 35 and the second runner 36 enter the first chamber through die ontology 31, die cavity 33 and the first core rod 34 respectively successively.First performed polymer and the second performed polymer enter the first chamber respectively by first flow 35 and the second runner 36.
In order to be provided with two or more separation chamber at composite board, one or more second core rod 32 can also be set in extrusion die 3.The gap of the Wood-plastic material for injecting melting is there is between second core rod 32 and die ontology 31, between second core rod 32 and also there is the gap of the Wood-plastic material for injecting melting between the second core rod 32 and entity, these gaps are communicated with between entity and the interval 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 the first core rod 34 and the second core rod 32 are fixed in extrusion die 3, first core rod 34 can be connected with die ontology 31 respectively by dowel with the second core rod 32, as shown in Figure 2, one end of first core rod 34 and the second core rod 32 also can connect with being connected template 311 or shunting template 312 respectively by bolt, thus realizes 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 first core rod 34 and two the second core rods 32.
First core rod 34 is provided with the outer shape matched with the shape 2 of half opening shape, when ringent shape 2 passes through or sends into die cavity 33, semi-surrounding is in the outside of the first core rod 34 closely for ringent shape 2, and shape 2 and the first core rod 34 obvolvent of sending into die cavity 33 form airtight entity.Airtight entity and be provided with the gap of the Wood-plastic material for injecting melting between the second core rod 32 and die ontology 31, the Wood-plastic material of such melting enters the skin that framework 1 moulded by wood that these gaps form composite board.
The gap of the Wood-plastic material for injecting melting is provided with between airtight entity and two the second core rods 32, the Wood-plastic material of such melting enters the gap between airtight entity and two the second core rods 32, forms the interior muscle 11 of the first separation being parallel to composite board plane after cooling.
Two the second core rods 32 are provided with the gap of the Wood-plastic material for injecting melting each other, the Wood-plastic material of molten state enters two the second core rod 32 gaps each other, can be formed after cooling one 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 one first separation chamber and two second separation chambers by muscle 11 and the interior muscle 12 of the second separation, first wall separating chamber is bonded with shape 2, and first separates chamber is filled with foaming layer 4, and foaming layer 4 is bonding with the internal face of the first chamber and the surface of shape 2 respectively; Another two second separation chambers are vacant.The shape of the cross section of two the second core rods 32 is corresponding with above-mentioned two the second compartment chamber cross-sections respectively.
Forming panel 313 is provided with the first entrance and second entrance of expanded material, first entrance is connected with first flow 35, second entrance is connected with first flow 36, such first performed polymer enters convergence tube 37 through the first entrance and first flow 35, second performed polymer enters convergence tube 37 through the second entrance and the second runner 36, after convergence tube 37 converges, enter the first chamber at the first performed polymer and the second performed polymer again, then in the first chamber, carry out addition polymerization and foaming, thus form foaming layer 4.
In order to cool the Wood-plastic material of the molten in extrusion die 3, in die ontology 31, be provided with water cooling passageway or water cooling chamber.
Shunting template 312 is provided with wood and moulds charging aperture 331, and the Wood-plastic material of the molten that extruder is extruded can be moulded charging aperture 331 from wood and enter shunting template 312, after shunting the shunting action of template 312, enter die cavity 33.
As shown in Figures 2 and 3, in order to reduce the resistance of the Wood-plastic material of first flow 35 and the second runner 36 pairs of molten states, first flow 35 and the second runner 36 are made up of the spreader 38 being provided with two hollow channels respectively the part of die cavity 33.Spreader 38 is fusiformis structure.
As disposable embodiment, first flow 35 and the second runner 36 through shunting template 312 and the first core rod 34, then can enter the first chamber, do not need through the first core rod 34 and die cavity 33.
(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 shape as shown in Figure 92.The shape 2 of Fig. 7 is different from the position of shape 2 in composite board in Fig. 1, and the web of shape 2 is mutually bonding with the skin (inwall near composite board 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.
Extrusion die: the mould shown in Fig. 7 can the composite board shown in shop drawings 8, and as shown in Figure 7, extrusion die 3 comprises first core rod 34 and three the second core rods 32.
First core rod 34 is provided with the outer shape matched with the shape 2 of half opening shape, when ringent shape 2 is by die cavity 33, shape 2 semi-surrounding is in the outside of the first core rod 34, and shape 2 and the first core rod 34 obvolvent of sending into die cavity 33 form airtight entity.Airtight entity and be provided with the gap of the Wood-plastic material for injecting melting between the second 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.
The gap of the Wood-plastic material for injecting melting is provided with between airtight entity and three the second core rods 32, the Wood-plastic material of such melting enters the gap sealed between entity and three the second core rods 32, forms the interior muscle 11 of the first separation being parallel to composite board plane after cooling.
The gap of the Wood-plastic material for injecting melting is provided with between three the second core rods 32, the Wood-plastic material of such molten state enters the gap between three the second core rods 32, can be formed after cooling two wood mould second of framework 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 one first separation chamber and three second separation chambers by muscle 11 and the interior muscle 12 of the second separation, first internal face separating chamber is bonded with shape 2, and be filled with foaming layer 4, foaming layer 4 is bonding with the internal face of the first chamber and the surface of shape 2 respectively; Another three second separation chambers are vacant.The shape of the cross section of three the second core rods 32 is corresponding with above-mentioned three the second compartment chamber cross-sections respectively.
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.
Shape: the present embodiment adopts the shape 2 shown in Figure 16, shape 2 comprises web and wing plates on two sides, 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, and shape 2 does not arrange pre-manufactured hole 21.Owing to not arranging pre-manufactured hole, when the Wood-plastic material of melting is bonding with shape 2, the projection embedding or pass pre-manufactured hole can not be formed.
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 the first core rod 34, and the second core rod 32 is not set, first core rod 34 is provided with the outer shape matched with the shape 2 of half opening shape, like this when ringent shape 2 is by die cavity 33, semi-surrounding is in the outside of the first core rod 34 closely for ringent shape 2, and shape 2 and the first core rod 34 obvolvent of sending into die cavity 33 form airtight entity.The gap of the Wood-plastic material for injecting melting is provided with between airtight entity and die ontology 31, after the Wood-plastic material of such melting enters gap, framework 1 moulded by the wood forming composite board in the periphery of airtight entity, after cooling forming, composite board only has first chamber, shape 2 internal faces being bonded in the first chamber are mutually bonding, and foaming layer 4 is also filled and is bonded in the first chamber.
Shape: the present embodiment adopts the shape 2 shown in Figure 10, 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.Shape 2 is provided with pre-manufactured hole 21.
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 first core rod 34 and second core rod 32 in extrusion die 3, and adopt the shape 2 shown in Figure 11, shape 2 is provided with pre-manufactured hole 21.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 one first separation chamber and one second separation chamber by muscle 11, first wall separating chamber is bonded with shape 2, and fill and be bonded with foaming layer 4, 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 only provided with first core rod 34 and two the second core rods 32 in extrusion die 3, and adopt the shape 2 shown in Figure 12, shape 2 is provided with pre-manufactured hole 21.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, twice first are separated interior muscle 11 and wood are moulded framework 1 and be separated into one first and separate chamber and two second and separate chambers, first wall separating chamber is bonded with shape 2, and fill and be bonded with foaming layer 4, two second separate chamber 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 second core rod 32 of first core rod 34, three large models and the second core rod 32 of a ting model in extrusion die 3, and adopt the shape 2 shown in Figure 13, shape 2 is provided with pre-manufactured hole 21.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, twice first separate interior muscle 11 and twice second separate interior muscle 12 wood is moulded framework 1 be separated into one first separate chamber and three second separate chambers, first separates the wall of chamber is bonded with shape 2, and fills and to be bonded with foaming layer 4 three second separation chamber 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:
First core rod 34 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 in position therebetween.
Composite board: only have one first to separate chamber, the first compartment indoor are bonded with shape 2, and fill and be bonded with foaming layer 4.The shape 2 of Figure 14 is different from the position of shape 2 in composite board in Fig. 1, and the skin that framework moulded by the web of the shape 2 in Figure 14 and wood is mutually bonding, and the web of the shape 2 of Fig. 1 and first to separate interior muscle 11 mutually 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: be provided with first core rod 34 and second core rod 32 in extrusion die 3, 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 one first separation chamber and one second separation chamber by muscle 11, first wall separating chamber is bonded with shape 2, and fill and be bonded with foaming layer 4, and the second separation chamber is vacant.The shape 2 of Figure 15 is different from the position of shape 2 position in composite board in Fig. 1, and the web of shape 2 of Figure 15 is mutually bonding with the skin (inwall near composite board surface) of the composite board 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: be provided with first core rod 34 and two the second core rods 32 in extrusion die 3, 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 with to mould perpendicular to wood together with framework 1 plane second separate in muscle 12, in first separation, wood is moulded framework and is separated into one first separation chamber and two second separation chambers by muscle 11 and the interior muscle 12 of the second separation, first wall separating chamber is bonded with shape 2, and fill and be bonded with foaming layer 4, and two second separation 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 shape 2 of Figure 16 is mutually bonding with the skin (inwall near composite board surface) of the composite board 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 (9)
1. wood mould, the extrusion die of the composite board of foaming layer and shape coextrusion mold, it is characterized in that,
It comprises die ontology and the first core rod,
Described first core rod is arranged in die cavity that described die ontology is formed, and described shape is ringent shape; Described first core rod is provided with the contour structures matched with ringent shape, an airtight entity can being formed with the described shape obvolvent sending into described die cavity, between this airtight entity and die ontology, there is the gap of the Wood-plastic material for injecting melting;
Described extrusion die is provided with first flow and the second runner, and described first flow and the second runner arrive the extruding end of extrusion die respectively successively through described die ontology, die cavity and the first core rod.
2. extrusion die according to claim 1, wherein, described extrusion die also comprises one or more second core rod, between described second core rod and described second core rod and described die ontology, all there is the space of the Wood-plastic material for injecting melting between airtight entity.
3. extrusion die according to claim 2, wherein, described die ontology comprise connect successively connection template, shunting template, forming panel and outlet template.
4. extrusion die according to claim 3, wherein, one end of described first core rod and the second core rod is connected template with described or shunt template and is connected.
5. extrusion die according to claim 3, wherein, described shunting template is provided with wood and moulds charging aperture, and described wood is moulded charging aperture and is connected with die cavity.
6. extrusion die according to claim 3, wherein, described forming panel is provided with the first entrance of first flow and the second entrance of the second runner.
7. according to the extrusion die in claim 1-6 described in any one, wherein, have convergence tube in the arranged outside of the extruding end of described extrusion die, described first flow is communicated with described convergence tube respectively with the second runner.
8. according to the extrusion die in claim 1-6 described in any one, wherein, be provided with water cooling passageway or water cooling chamber in described die ontology.
9. according to the extrusion die in claim 1-6 described in any one, wherein, described first flow and the second runner are made up of the spreader being provided with two hollow channels the part of described die cavity.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410475234.1A CN105437507B (en) | 2014-09-17 | 2014-09-17 | A kind of extrusion die of the composite board of wood moulding, foaming layer and mental section coextrusion mold |
| PCT/CN2015/089866 WO2016041512A1 (en) | 2014-09-17 | 2015-09-17 | Extrusion mold and manufacturing method for composite plate material formed by coextrusion |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410475234.1A CN105437507B (en) | 2014-09-17 | 2014-09-17 | A kind of extrusion die of the composite board of wood moulding, foaming layer and mental section coextrusion mold |
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| Publication Number | Publication Date |
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| CN105437507A true CN105437507A (en) | 2016-03-30 |
| CN105437507B CN105437507B (en) | 2018-05-04 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110843185A (en) * | 2019-11-22 | 2020-02-28 | 长沙理工大学 | Production device for thermoplastic plastic coated metal composite section |
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