CN202922940U - Extruding die for molding wood-plastic section provided with polyvinyl chloride (PVC) cladding layer - Google Patents
Extruding die for molding wood-plastic section provided with polyvinyl chloride (PVC) cladding layer Download PDFInfo
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- CN202922940U CN202922940U CN2012206385428U CN201220638542U CN202922940U CN 202922940 U CN202922940 U CN 202922940U CN 2012206385428 U CN2012206385428 U CN 2012206385428U CN 201220638542 U CN201220638542 U CN 201220638542U CN 202922940 U CN202922940 U CN 202922940U
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Abstract
The utility model relates to an extruding die for molding a wood-plastic section provided with a polyvinyl chloride (PVC) cladding layer. The technical scheme is as follows: the extruding die comprises a die head feeding hole (7) and a main flow channel (71), and is characterized by further comprising a compressing plate (5), a pre-molded board (4), a first molding plate (3) and a second molding plate (2). After the method and the device of the utility model are adopted, wood-plastic door and window main section provided with the PVC cladding layer can be manufactured, and the extruding die has the advantages of being environment-friendly, decomposable and low in price; and the manufactured wood-plastic door and window main section not only is energy-saving and environment-friendly, but also has the advantages of being attractive, anti-aging and the like of the traditional PVC section.
Description
Technical field
The utility model relates to a kind of moulding extrusion die of Wood-plastic profiles of the PVC of having clad, especially a kind of moulding extrusion die with wood-plastic door window principal mode material of PVC clad.
Background technology
The section bar of plastic door-window is mainly to be made by PVC, but the PVC powder derives from oil product, belong to non-renewable resources, in order better to bring into play the power savings advantages of plastic door-window, people wish to replace by the recycling to waste and old raw material the PVC powder, therefore and wood plastic composite is exactly a kind of good material, replaces the PVC powder to refer on the principal mode material of door and window with Wood-plastic material and can reduce material cost.But in practice process, consider the attractive in appearance of door and window principal mode material outer surface, usually will a small amount of PVC powder be coated on the Wood-plastic material surface, so just can make door and window principal mode material have advantages of again with low cost, good energy-conserving effect, more environmental protection in the advantage such as attractive in appearance and anti-aging that reservation conventional P VC section bar has.
In order to make the Wood-plastic profiles with PVC clad, need to use mould with two kinds of different material co-extrusions.Existing extrusion die is CN201010570918.10 and CN201010572539.40 for example, the homogeneous raw material co-extrusion that is that these two kinds of extrusion dies are realized is PVC and PVC co-extrusion, and can't realize the co-extrusion of different materials, need to design a kind of moulding extrusion die of Wood-plastic profiles of the PVC of having clad for this reason.
The utility model content
The purpose of this utility model is to provide a kind of moulding extrusion die of Wood-plastic profiles of the PVC of having clad.
This extrusion die comprises die inlet and sprue, and this extrusion die also comprises compressive plate, preformed board, the first profiled sheeting, the second profiled sheeting that is connected successively;
Be fixed with the core spreader in described sprue, described core spreader central authorities are provided with the inner rib sprue that is connected with sprue, one end of described core spreader is fixed with to be inserted, the muscle forming area in the section bar that central authorities are provided with inner rib sprue is connected of inserting, described preformed board central authorities are provided with the section bar base-material forming area that is connected with sprue;
The central authorities of described the first profiled sheeting, the second profiled sheeting are provided with the outer wall preformed runner that is connected with section bar base-material forming area;
Described compressive plate, preformed board are provided with co-extrusion material runner feeding mouth, one end of described co-extrusion material runner feeding mouth is fixed with the co-extrusion sprue, be fixed with co-extrusion runner, bayonet socket feed chamber on described co-extrusion sprue, be fixed with the coextrusion mold slit flow channel on described co-extrusion runner, an end of described coextrusion mold slit flow channel is connected with outer wall preformed runner.
The beneficial effects of the utility model: after having adopted method and apparatus described in the utility model, can make the wood-plastic door window principal mode material with PVC clad, have advantages of environmental protection, can decompose, cheap; Be that PVC coats the co-extrusion form entirely due to what adopt, wood-plastic door window principal mode material skin is still moulded for wood for the PVC internal layer, the advantage such as attractive in appearance, anti-aging that makes that the wood-plastic door window principal mode material of producing can also keep in energy-conserving and environment-protective that conventional P VC section bar has.
Description of drawings
Fig. 1 is the schematic diagram of the section bar produced of the utility model.
Fig. 2 is the structural representation of the utility model extrusion die.
Fig. 3 is that the A-A of Fig. 2 is to cutaway view.
Fig. 4 is that the B-B of Fig. 2 is to cutaway view.
Fig. 5 is that the C-C of Fig. 2 is to cutaway view.
Shown in figure: 1 inserts, 2 second profiled sheetings, 3 first profiled sheetings, 4 preformed board, 5 compressive plates, 6 core spreaders, muscle forming area in 7 die inlets, 11 section bars, 31 outer wall preformed runners, 32 bayonet socket feed chamber, 41 coextrusion mold slit flow channel, 42 section bar base-material forming areas, 43 co-extrusion runners, 51 co-extrusion material runner feeding mouths, 52 co-extrusion sprues, 61 inner rib sprues, 71 sprues.
The specific embodiment
As shown in Fig. 2,3,4,5, the utility model extrusion die, this extrusion die comprise die inlet 7 and sprue 71, and this extrusion die also comprises compressive plate 5, preformed board 4, the first profiled sheeting 3, the second profiled sheeting 2 that is connected successively;
Be fixed with core spreader 6 in described sprue 71, described core spreader 6 central authorities are provided with the inner rib sprue 61 that is connected with sprue 71, one end of described core spreader 6 is fixed with inserts 1,1 central authorities of inserting are provided with muscle forming area 11 in the section bar that is connected with inner rib sprue 61, and described preformed board 4 central authorities are provided with the section bar base-material forming area 42 that is connected with sprue 71;
The central authorities of described the first profiled sheeting 3, the second profiled sheeting 2 are provided with the outer wall preformed runner 31 that is connected with section bar base-material forming area 42;
Described compressive plate 5, preformed board 4 are provided with co-extrusion material runner feeding mouth 51, one end of described co-extrusion material runner feeding mouth 51 is fixed with co-extrusion sprue 52, be fixed with co-extrusion runner 43, bayonet socket feed chamber 32 on described co-extrusion sprue 52, be fixed with coextrusion mold slit flow channel 41 on described co-extrusion runner 43, an end of described coextrusion mold slit flow channel 41 is connected with outer wall preformed runner 31.
After the utility model has adopted this structure, outer wall preformed runner 31 is used for extruding the interior muscle of wood-plastic door window principal mode material, the function bayonet socket that bayonet socket feed chamber 32 is used for extruding wood-plastic door window principal mode material for muscle forming area in the outer surface of extruding wood-plastic door window principal mode material, section bar 11.
Mould described in the utility model entirely coats the co-extrusion difference with respect to the common PVC Surface of profile and is that co-extrusion material and base-material are different materials; The melt viscosity of co-extrusion material and base-material, melt temperature differ larger, extrude the Wood-plastic profiles with PVC clad if adopt existing extrusion die, due to the co-extrusion material and base-material relatively poor because of compatibility, be prone to the phenomenon that layering and internal layer wood are moulded cracking after co-extrusion, so existing extrusion die is to extrude the Wood-plastic profiles with PVC clad.
The utility model in use, wood is moulded base-material and is added the extruding of the backward mould outlet direction of extrusion die, a part of wood moulds that base-material enters inner rib sprue 61, another part wood is moulded base-material and entered co-extrusion runner 43 by sprue 71;
The wood that enters inner rib sprue 61 is moulded base-material and is entered muscle forming area 11 in section bar; The wood that enters co-extrusion runner 43 is moulded base-material and is flowed to section bar base-material forming area 42, when wood is moulded base-material and entered section bar base-material forming area 42, the co-extrusion material runner feeding mouth 51 of PVC powder from extrusion die added, the PVC powder is by co-extrusion material runner feeding mouth 51 co-extrusion sprues 52;
The PVC powder that enters co-extrusion sprue 52 enters respectively co-extrusion runner 43 and bayonet socket feed chamber 32, the PVC powder that enters co-extrusion runner 43 enters extrusion forming slit flow channel 41 and moulds base-material and merge with the wood in section bar base-material forming area 42, enter outer wall preformed runner 31 after fusion and in the outlet of mould and the section bar the interior wood of muscle forming area 11 mould base-material and extrude simultaneously;
So namely get the Wood-plastic profiles with PVC clad.
Mould the base-material junction for fear of the wood-plastic door window principal mode material of extruding at function bayonet socket and wood and weld mark occurs, the utility model is arranged on the co-extrusion sprue of extrusion die on compressive plate 5, co-extrusion sprue 52 is respectively to co-extrusion runner 43 and bayonet socket feed chamber feed 32, then by the co-extrusion runner on preformed board 4, the co-extrusion material sent into coextrusion mold slit flow channel 41.Because co-extrusion sprue 52 has bifurcated as branch, co-extrusion runner 43 and bayonet socket feed chamber 32 are connected to crotch, so the PVC powder is through shunting, part PVC powder can evenly be tiled in wood and moulds the surface of base-material and mould with wood base-material enters bayonet socket feed chamber 32 at the 31 interior fusions of outer wall preformed runner, another part PVC powder PVC powder and extrude and merge with base-material in the exit function bayonet socket of formation wood-plastic door window principal mode material to the mould outlet place, weld mark occurs thereby avoided wood-plastic door window principal mode material to mould the base-material junction at function bayonet socket and wood.
In sum, after having adopted method and apparatus described in the utility model, can make the wood-plastic door window principal mode material with PVC clad, have advantages of environmental protection, can decompose, cheap; Be that PVC coats the co-extrusion form entirely due to what adopt, wood-plastic door window principal mode material skin is still moulded for wood for the PVC internal layer, the advantage such as attractive in appearance, anti-aging that makes that the wood-plastic door window principal mode material of producing can also keep in energy-conserving and environment-protective that conventional P VC section bar has.
Claims (1)
1. the extrusion die of the moulding of the Wood-plastic profiles with PVC clad, it comprises die inlet (7) and sprue (71), it is characterized in that it also comprises compressive plate (5), preformed board (4), the first profiled sheeting (3), the second profiled sheeting (2) that is connected successively;
Be fixed with core spreader (6) in described sprue (71), described core spreader (6) central authorities are provided with the inner rib sprue (61) that is connected with sprue (71), one end of described core spreader (6) is fixed with insert (1), (1) central authorities of inserting are provided with muscle forming area (11) in the section bar that is connected with inner rib sprue (61), and described preformed board (4) central authorities are provided with the section bar base-material forming area (42) that is connected with sprue (71);
The central authorities of described the first profiled sheeting (3), the second profiled sheeting (2) are provided with the outer wall preformed runner (31) that is connected with section bar base-material forming area (42);
Described compressive plate (5), preformed board (4) are provided with co-extrusion material runner feeding mouth (51), one end of described co-extrusion material runner feeding mouth (51) is fixed with co-extrusion sprue (52), be fixed with co-extrusion runner (43), bayonet socket feed chamber (32) on described co-extrusion sprue (52), be fixed with coextrusion mold slit flow channel (41) on described co-extrusion runner (43), an end of described coextrusion mold slit flow channel (41) is connected with outer wall preformed runner (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012206385428U CN202922940U (en) | 2012-11-28 | 2012-11-28 | Extruding die for molding wood-plastic section provided with polyvinyl chloride (PVC) cladding layer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012206385428U CN202922940U (en) | 2012-11-28 | 2012-11-28 | Extruding die for molding wood-plastic section provided with polyvinyl chloride (PVC) cladding layer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202922940U true CN202922940U (en) | 2013-05-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012206385428U Expired - Fee Related CN202922940U (en) | 2012-11-28 | 2012-11-28 | Extruding die for molding wood-plastic section provided with polyvinyl chloride (PVC) cladding layer |
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| Country | Link |
|---|---|
| CN (1) | CN202922940U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102962973A (en) * | 2012-11-28 | 2013-03-13 | 铜陵中发三佳科技股份有限公司 | Method for forming wood plastic section bars with polyvinyl chloride (PVC) cladding layer and extrusion mould |
-
2012
- 2012-11-28 CN CN2012206385428U patent/CN202922940U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102962973A (en) * | 2012-11-28 | 2013-03-13 | 铜陵中发三佳科技股份有限公司 | Method for forming wood plastic section bars with polyvinyl chloride (PVC) cladding layer and extrusion mould |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130508 Termination date: 20191128 |
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| CF01 | Termination of patent right due to non-payment of annual fee |