CN102909846A - Double-flow duct temperature difference controlled coextrusion die of full plastic-packaged profiled bar - Google Patents

Double-flow duct temperature difference controlled coextrusion die of full plastic-packaged profiled bar Download PDF

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Publication number
CN102909846A
CN102909846A CN2012100978176A CN201210097817A CN102909846A CN 102909846 A CN102909846 A CN 102909846A CN 2012100978176 A CN2012100978176 A CN 2012100978176A CN 201210097817 A CN201210097817 A CN 201210097817A CN 102909846 A CN102909846 A CN 102909846A
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die
oralia
type
groove
pattern
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CN2012100978176A
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CN102909846B (en
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高华
李小锋
吴朝辉
张安怀
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HUBEI ANXIN PLASTIC MOULDS CO Ltd
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HUBEI ANXIN PLASTIC MOULDS CO Ltd
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Abstract

The invention relates to an improvement of an extrusion die for a wood plastic profiled bar, and discloses a double-flow duct temperature difference controlled coextrusion die for a full plastic-packaged profiled bar. The coextrusion die is provided with a die body, a guide plate, a confluence plate, a B-type die plate and an A-type die plate, wherein flow ducts are formed in the guide plate and the confluence plate; cavities are formed in the B-type die plate and the A-type die plate; two cooling water channels are formed in outer side of the cavity in the A-type die plate; specially, a radiation channel is formed in the A-type die plate; a B-type coextrusion die plate and an A-type coextrusion die plate are connected above the A-type die plate; coextrusion cavities are formed in the B-type die plate and the A-type die plate; a coextrusion material channel is formed in the B-type coextrusion die; and the coextrusion die is communicated with the coextrusion cavity in the B-type coextrusion die plate. The coextrusion die provided by the invention solves the problem of surface cracking or delaminating of the full plastic-packaged profiled bar caused by the use of the existing double-flow duct coextrusion die. The coextrusion die is mainly suitable for improvement of the existing double-flow duct coextrusion die for the full plastic-packaged profiled bar.

Description

The complete plastic profile shapes dual channel temperature difference is controlled co-extruding mould
(i) technical field: the present invention relates to the improvement that wood is moulded profiled bar extrusion die, is that a kind of complete plastic profile shapes dual channel temperature difference is controlled co-extruding mould.
(ii) background technology: the raw material manufacturing cost that Wood-plastic material can reduce profile shapes is obtained extensive use, but the Wood-plastic material profile shapes is all 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 polymer plastic glue material, 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 more difficult control of the temperature of bi-material adhesive surface, moreover the complete plastic co-extrusion face in profile shapes top layer is larger, prior art profile shapes dual channel co-extruding mould can only solve covering of part, 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 after the profile shapes cooling and shaping easily cracks; PVC cover wrap up in material or with the bonding leakiness of the composite base-material of profile shapes, the top layer after the profile shapes cooling and shaping easily produces delamination, the quality of complete plastic profile shapes is unstable.
(iii) summary of the invention: purpose of the present invention is exactly top layer or cracking or the problem of delamination that will solve the existing profile shapes of existing complete plastic profile shapes dual channel co-extruding mould, provides a kind of complete plastic profile shapes dual channel temperature difference to control co-extruding mould.
Concrete scheme of the present invention is: a kind of 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 cylinder manifold, the center that deflector is positioned at runner is provided with spreader, be equipped with die cavity on Type B die plate and 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, be connected with Type B coextruding die oralia and A type coextruding die oralia above A pattern oralia, be equipped with the co-extrusion die cavity on Type B coextruding die oralia and 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 by stable chute, the material stock groove, the advection groove, branch's chute, sow (channel) reaches crowded material mouth altogether and forms, sow (channel) and branch's chute are to be chevron shaped structure, material stock groove and advection groove are to be closed-loop configuration, 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 to be communicated with four ends of two branch's chutes, the interior ring limit of material stock groove is being communicated with the advection groove, 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 millimeter of described advection groove, stable chute in described co-extrusion hopper and advection groove are to be communicated with the co-extrusion die cavity on Type B coextruding die oralia.
Described two cooling water channels of the 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 Type B coextruding die oralia of the present invention and A type coextruding die oralia be with A pattern oralia on the die cavity coaxial line arrange.
The present invention compares with existing complete plastic profile shapes dual channel co-extruding mould, the present invention 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, can realize profile shapes extrude the composite base-material cooling and shaping after, covered again at its extexine the heat painting co-extrusion of wrapping up in material plastic, solved the top layer of the existing complete plastic profile shapes of co-extruding mould original structure or easily cracking or the easily problem of delamination, the quality of complete plastic profile shapes is guaranteed; Compact conformation of the present invention, effect significantly, constant product quality and applied range; The present invention preferably resolves top layer or cracking or the problem of delamination of the existing profile shapes of existing complete plastic profile shapes dual channel co-extruding mould.
(iv) accompanying drawing explanation:
Fig. 1: structural front view of the present invention;
Fig. 2: structure top view of the present invention;
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;
In 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-spreader, 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.
(v) the specific embodiment:
Embodiment: (referring to Fig. 1) a kind of complete plastic profile shapes dual channel temperature difference is controlled 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 cylinder manifold 5, the center that deflector 6 is positioned at runner 13 is provided with spreader 12, be equipped with die cavity 10(on Type B die plate 4 and A pattern oralia 3 and refer to Fig. 2, Fig. 5), the outside that A pattern oralia 3 is positioned at die cavity 10 is provided with two cooling water channel 11(and refers to Fig. 5, Fig. 6), particularly: described A pattern oralia 3 is provided with radiating groove 23, be connected with Type B coextruding die oralia 2 and A type coextruding die oralia 1 above A pattern oralia 3, be equipped with co-extrusion die cavity 8 on Type B coextruding die oralia 2 and 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, described co-extrusion hopper 9 is by stable chute 15, material stock groove 16, advection groove 17, branch's chute 18, sow (channel) 19 reaches crowded material mouth 20 compositions altogether and (refers to Fig. 3, Fig. 4), 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, article two, branch's chute 18 is to be communicated with two ends of sow (channel) 19, 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 the 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 (referring to Fig. 4), stable chute 15 in described co-extrusion hopper 9 and advection groove 17 are to be communicated with the co-extrusion die cavity 8 on Type B coextruding die oralia 2.
Described two cooling water channels 11 of the present embodiment are provided in a side of the die orifice plate body interior (referring to Fig. 5, Fig. 6) in A pattern oralia 3 die cavity 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 the present embodiment oralia 2 and A type coextruding die oralia 1 be with A pattern oralia 3 on die cavity 10 coaxial lines arrange.

Claims (3)

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 cylinder manifold, the center that deflector is positioned at runner is provided with spreader, be equipped with die cavity on Type B die plate and 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, be connected with Type B coextruding die oralia and A type coextruding die oralia above A pattern oralia, be equipped with the co-extrusion die cavity on Type B coextruding die oralia and 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 by stable chute, the material stock groove, the advection groove, branch's chute, sow (channel) reaches crowded material mouth altogether and forms, sow (channel) and branch's chute are to be chevron shaped structure, material stock groove and advection groove are to be closed-loop configuration, 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 to be communicated with four ends of two branch's chutes, the interior ring limit of material stock groove is being communicated with the advection groove, 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 millimeter of described advection groove, stable chute in described co-extrusion hopper and advection groove are to be communicated with the co-extrusion die cavity on Type B coextruding die oralia.
2. a kind of complete plastic profile shapes dual channel temperature difference according to claim 1 is controlled co-extruding mould, 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, 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 according to claim 1 is controlled co-extruding mould, it is characterized in that: the co-extrusion die cavity on described Type B coextruding die oralia and A type coextruding die oralia be with A pattern oralia on the die cavity coaxial line arrange.
CN201210097817.6A 2012-04-06 2012-04-06 Double-flow duct temperature difference controlled coextrusion die of full plastic-packaged profiled bar Active CN102909846B (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105965816A (en) * 2016-05-27 2016-09-28 河北莫特美橡塑科技有限公司 Production line of three-layer hollow plastic formwork
CN107972249A (en) * 2017-11-06 2018-05-01 马鞍山远大塑料制品实业有限公司 A kind of complete plastic profile shapes dual channel temperature difference control co-extruding mould
CN109676890A (en) * 2019-02-28 2019-04-26 华迅工业(苏州)有限公司 A kind of rail traffic cable double-layer coextrusion outer mold
CN109727717A (en) * 2019-02-28 2019-05-07 华迅工业(苏州)有限公司 A kind of antistatic grid line of rail traffic

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CN202517688U (en) * 2012-04-06 2012-11-07 湖北安信塑料模具有限公司 Double-runner temperature difference control co-extrusion die for full plastic coated profile

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CN202517688U (en) * 2012-04-06 2012-11-07 湖北安信塑料模具有限公司 Double-runner temperature difference control co-extrusion die for full plastic coated profile

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105965816A (en) * 2016-05-27 2016-09-28 河北莫特美橡塑科技有限公司 Production line of three-layer hollow plastic formwork
CN107972249A (en) * 2017-11-06 2018-05-01 马鞍山远大塑料制品实业有限公司 A kind of complete plastic profile shapes dual channel temperature difference control co-extruding mould
CN107972249B (en) * 2017-11-06 2020-06-02 马鞍山远大塑料制品实业有限公司 Double-flow-passage temperature difference control co-extrusion die for full-plastic-coated profiled bar
CN109676890A (en) * 2019-02-28 2019-04-26 华迅工业(苏州)有限公司 A kind of rail traffic cable double-layer coextrusion outer mold
CN109727717A (en) * 2019-02-28 2019-05-07 华迅工业(苏州)有限公司 A kind of antistatic grid line of rail traffic
CN109727717B (en) * 2019-02-28 2024-04-05 华迅工业(苏州)有限公司 Antistatic network wire for rail transit

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