CN202517688U

CN202517688U - Double-runner temperature difference control co-extrusion die for full plastic coated profile

Info

Publication number: CN202517688U
Application number: CN2012201402164U
Authority: CN
Inventors: 高华; 李小锋; 吴朝辉; 张安怀
Original assignee: HUBEI ANXIN PLASTIC MOULDS CO Ltd
Current assignee: HUBEI ANXIN PLASTIC MOULDS CO Ltd
Priority date: 2012-04-06
Filing date: 2012-04-06
Publication date: 2012-11-07
Anticipated expiration: 2022-04-06

Abstract

The utility model relates to an improvement on a wood plastic profile extrusion die, in particular to a double-runner temperature difference control co-extrusion die for a full plastic coated profile. The double-runner temperature difference control co-extrusion die comprises a die body, a flow guide plate, a flow converging plate, a B type die orifice plate and an A type die orifice plate; runners are formed in the flow guide plate and the flow converging plate; cavities are formed in the B type die orifice plate and the A type die orifice plate; two cooling water passages are formed on the A type die orifice plate on the external side of the cavity; in particular, a heat radiating groove is formed in the A type die orifice plate; a B type co-extrusion die orifice plate and an A type co-extrusion die orifice plate are connected above the A type die orifice plate; the co-extrusion cavities are formed in the B type co-extrusion die orifice plate and the A type co-extrusion die orifice plate; a co-extrusion material groove are also formed in the B type co-extrusion die orifice plate; and the co-extrusion material groove is communicated with the co-extrusion cavity on the B type co-extrusion die orifice plate; and according to the utility model, a problem that the surface layer of the profile made by the traditional double-runner temperature difference control co-extrusion die for the full plastic coated profile is cracked or delaminated is solved; and the double-runner temperature difference control co-extrusion die for the full plastic coated profile, provided by the utility model, is mainly used for improving the traditional double-runner temperature difference control co-extrusion die for the full plastic coated profile.

Description

Complete plastic profile shapes dual channel temperature difference control co-extruding mould

The (1) technical field: the utility model relates to the improvement that wood is moulded profiled bar extrusion die, is a kind of complete plastic profile shapes dual channel temperature difference control co-extruding mould.

The (2) background technology: Wood-plastic material can reduce the raw material manufacturing cost of profile shapes is used widely, but the Wood-plastic material profile shapes is all relatively poor because of colorfulness, fineness, non-oxidizability and the wearability of the characteristic profile shapes of material; Adopt the dual channel co-extruding mould to cover on the top layer of profile shapes and wrap up in one deck PVC high molecular weight plastic material, then can effectively improve the physical and chemical index on profile shapes top layer, the cost of material of profile shapes also increases less simultaneously; Because the PVC plastic cement covers the thermosetting resin compound that the composite base-material of wrapping up in material and profile shapes is two kinds of different formulations; The temperature of two kinds of material adhesive surfaces is difficult to be controlled; Moreover the complete plastic co-extrusion face in profile shapes top layer is bigger, and prior art profile shapes dual channel co-extruding mould can only solve local the covering in profile shapes top layer and wrap up in plastic; The problem that the complete plastic profile shapes dual channel co-extruding mould of prior art exists is: PVC covers to be wrapped up in material or fuses fully with the composite base-material of profile shapes, and the top layer behind the profile shapes cooling and shaping is easy to generate crackle; PVC cover wrap up in material or with the bonding leakiness of the composite base-material of profile shapes, the top layer behind the profile shapes cooling and shaping is easy to generate delamination, the quality of complete plastic profile shapes is unstable.

The (3) summary of the invention: the purpose of the utility model is exactly top layer or the cracking or the problem of delamination that will solve the existing profile shapes of existing complete plastic profile shapes dual channel co-extruding mould, and a kind of complete plastic profile shapes dual channel temperature difference control co-extruding mould is provided.

The concrete scheme of the utility model is: a kind of complete plastic profile shapes dual channel temperature difference control co-extruding mould; It has die body; Die body is provided with crowded material mouth and runner, and the top of die body adopts screw to be separately installed with deflector, cylinder manifold, Type B die plate and A pattern oralia; Be equipped with runner on deflector and the cylinder manifold, the center that deflector is positioned at runner is provided with the branch flow cone; Be equipped with die cavity on Type B die plate and the A pattern oralia, the outside that A pattern oralia is positioned at die cavity is provided with two cooling water channels; It is characterized in that: described A pattern oralia is provided with radiating groove; Above A pattern oralia, be connected with Type B coextruding die oralia and A type coextruding die oralia, be equipped with the co-extrusion die cavity on Type B coextruding die oralia and the A type coextruding die oralia, the outside that the upper face of Type B coextruding die oralia is positioned at the co-extrusion die cavity is provided with the co-extrusion hopper; Described co-extrusion hopper is made up of stable chute, material stock groove, advection groove, branch's chute, sow (channel) and common crowded material mouth; Sow (channel) and branch's chute are to be chevron shaped structure, and material stock groove and advection groove are to be closed-loop configuration, and crowded material mouth is provided in a side of the arrival end of sow (channel) altogether; Article two, branch's chute is to be communicated with two ends of sow (channel); The material stock groove is and four ends of two branch's chutes are communicated with, and the interior ring limit of material stock groove is being communicated with the advection groove, and the stable chute of several vertical layouts is provided in a side of on the interior ring limit of advection groove; The depth value H=1-1.2 of described advection groove millimeter, stable chute in the described co-extrusion hopper and advection groove be with Type B coextruding die oralia on the co-extrusion die cavity be communicated with.

Described two cooling water channels of present embodiment are provided in a side of in the die orifice plate body in the A pattern oralia die cavity outside; Article two, cooling water channel is to be up and down to arrange in the body of die plate; Article two, cooling water channel is to be open loop structure; The two ends of every cooling water channel open loop structure are equipped with water inlet and delivery port, and described radiating groove is provided in a side of on the upper and lower plates face of A pattern oralia.

Co-extrusion die cavity on the utility model described Type B coextruding die oralia and the A type coextruding die oralia be with A pattern oralia on the die cavity coaxial line arrange.

The utility model is compared with existing complete plastic profile shapes dual channel co-extruding mould; The utility model is provided with Type B coextruding die oralia and A type coextruding die oralia above A pattern oralia die cavity; And be provided with cooling water channel and radiating groove in the outside of A pattern oralia die cavity; Then can realize profile shapes extrude the composite base-material cooling and shaping after; Covering the heat of wrapping up in material again at its extexine, to be coated with co-extrusion plastic, solved top layer or the easy of crack of the existing complete plastic profile shapes of co-extruding mould original structure or the problem of delamination easily, and the quality of complete plastic profile shapes is guaranteed; The utility model compact conformation, effect significantly, constant product quality and applied range; The utility model preferably resolves top layer or the cracking or the problem of delamination of the existing profile shapes of existing complete plastic profile shapes dual channel co-extruding mould.

The (4) description of drawings:

Fig. 1: the utility model structural front view;

Fig. 2: the utility model structure vertical view;

Fig. 3: Type B coextruding die oralia and co-extrusion bin design front view;

Fig. 4: Type B coextruding die oralia and co-extrusion hopper A--A view;

Fig. 5: A pattern oralia structural front view;

Fig. 6: A pattern oralia B--B view;

Among the figure: 1-A type coextruding die oralia, 2-Type B coextruding die oralia, 3-A pattern oralia, 4-Type B die plate, 5-cylinder manifold, 6-deflector; 7-die body, 8-co-extrusion die cavity, 9-co-extrusion hopper, 10-die cavity, 11-cooling water channel, 12-minute flow cone; The 13--runner, 14-crowded material mouth, 15-stable chute, 16-material stock groove, 17-advection groove, 18-branch chute; 19-sow (channel), 20-altogether crowded material mouths, 21-water inlet, 22-delivery port, 23-radiating groove.

The (5) specific embodiment:

Embodiment: (seeing Fig. 1 for details) a kind of complete plastic profile shapes dual channel temperature difference control co-extruding mould; It has die body 7; Die body 7 is provided with crowded material mouth 14 and runner 13, and the top of die body 7 adopts screw to be separately installed with deflector 6, cylinder manifold 5, Type B die plate 4 and A pattern oralia 3; Be equipped with runner 13 on deflector 6 and the cylinder manifold 5, the center that deflector 6 is positioned at runner 13 is provided with branch flow cone 12; Be equipped with die cavity 10 (seeing Fig. 2, Fig. 5 for details) on Type B die plate 4 and the A pattern oralia 3, the outside that A pattern oralia 3 is positioned at die cavity 10 is provided with two cooling water channels 11 (seeing Fig. 5, Fig. 6 for details); Particularly: described A pattern oralia 3 is provided with radiating groove 23; Above A pattern oralia 3, be connected with Type B coextruding die oralia 2 and A type coextruding die oralia 1; Be equipped with co-extrusion die cavity 8 on Type B coextruding die oralia 2 and the A type coextruding die oralia 1; The outside that the upper face of Type B coextruding die oralia 2 is positioned at co-extrusion die cavity 8 is provided with co-extrusion hopper 9, and described co-extrusion hopper 9 is formed (seeing Fig. 3, Fig. 4 for details) by stable chute 15, material stock groove 16, advection groove 17, branch's chute 18, sow (channel) 19 and common crowded material mouth 20, and sow (channel) 19 and branch's chute 18 are to be chevron shaped structure; Material stock groove 16 and advection groove 17 are to be closed-loop configuration; Crowded material mouth 20 is provided in a side of the arrival end of sow (channel) 19 altogether, and two branch's chutes 18 are and two terminal connections of sow (channel) 19 that material stock groove 16 is to be communicated with four ends of two branch's chutes 18; The interior ring limit of material stock groove 16 is being communicated with advection groove 17; The stable chute 15 of six vertical layouts of present embodiment is provided in a side of on the interior ring limit of advection groove 17, the depth value H=1-1.2 of described advection groove 17 millimeter (seeing Fig. 4 for details), stable chute 15 in the described co-extrusion hopper 9 and advection groove 17 be with Type B coextruding die oralia 2 on co-extrusion die cavity 8 be communicated with.

Described two cooling water channels 11 of present embodiment are provided in a side of the die orifice plate body interior (seeing Fig. 5, Fig. 6 for details) in A pattern oralia 3 die cavities 10 outsides; Article two, cooling water channel 11 is to be up and down to arrange in the body of die plate; Article two, cooling water channel 11 is to be open loop structure; The two ends of every cooling water channel 11 open loop structures are equipped with water inlet 21 and delivery port 22, and described radiating groove 23 is provided in a side of on the upper and lower plates face of A pattern oralia 3.

Co-extrusion die cavity 8 on the described Type B coextruding die of present embodiment oralia 2 and the A type coextruding die oralia 1 be with A pattern oralia 3 on die cavity 10 coaxial lines arrange.

Claims

1. a complete plastic profile shapes dual channel temperature difference is controlled co-extruding mould, and it has die body, and die body is provided with crowded material mouth and runner, and the top of die body adopts screw to be separately installed with deflector, cylinder manifold, Type B die plate and A pattern oralia; Be equipped with runner on deflector and the cylinder manifold, the center that deflector is positioned at runner is provided with the branch flow cone; Be equipped with die cavity on Type B die plate and the A pattern oralia, the outside that A pattern oralia is positioned at die cavity is provided with two cooling water channels; It is characterized in that: described A pattern oralia is provided with radiating groove; Above A pattern oralia, be connected with Type B coextruding die oralia and A type coextruding die oralia, be equipped with the co-extrusion die cavity on Type B coextruding die oralia and the A type coextruding die oralia, the outside that the upper face of Type B coextruding die oralia is positioned at the co-extrusion die cavity is provided with the co-extrusion hopper; Described co-extrusion hopper is made up of stable chute, material stock groove, advection groove, branch's chute, sow (channel) and common crowded material mouth; Sow (channel) and branch's chute are to be chevron shaped structure, and material stock groove and advection groove are to be closed-loop configuration, and crowded material mouth is provided in a side of the arrival end of sow (channel) altogether; Article two, branch's chute is to be communicated with two ends of sow (channel); The material stock groove is and four ends of two branch's chutes are communicated with, and the interior ring limit of material stock groove is being communicated with the advection groove, and the stable chute of several vertical layouts is provided in a side of on the interior ring limit of advection groove; The depth value H=1-1.2 of described advection groove millimeter, stable chute in the described co-extrusion hopper and advection groove be with Type B coextruding die oralia on the co-extrusion die cavity be communicated with.

2. a kind of complete plastic profile shapes dual channel temperature difference control co-extruding mould according to claim 1; It is characterized in that: described two cooling water channels are provided in a side of in the die orifice plate body in the A pattern oralia die cavity outside; Article two, cooling water channel is to be up and down to arrange in the body of die plate; Article two, cooling water channel is to be open loop structure, and the two ends of every cooling water channel open loop structure are equipped with water inlet and delivery port, and described radiating groove is provided in a side of on the upper and lower plates face of A pattern oralia.

3. a kind of complete plastic profile shapes dual channel temperature difference control co-extruding mould according to claim 1 is characterized in that: the co-extrusion die cavity on described Type B coextruding die oralia and the A type coextruding die oralia be with A pattern oralia on the die cavity coaxial line arrange.