CN206544302U - A kind of PVC wood plastic surface hardening composite co-extruding head - Google Patents
A kind of PVC wood plastic surface hardening composite co-extruding head Download PDFInfo
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- CN206544302U CN206544302U CN201621423394.2U CN201621423394U CN206544302U CN 206544302 U CN206544302 U CN 206544302U CN 201621423394 U CN201621423394 U CN 201621423394U CN 206544302 U CN206544302 U CN 206544302U
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- Prior art keywords
- mouth mold
- extruding
- extrusion
- wood plastic
- pvc wood
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Abstract
The utility model discloses a kind of PVC wood plastic surface hardening composite co-extruding head, including co-extruding machine head body, the end of co-extruding machine head body is provided with mouth mold one, the bottom of mouth mold one is provided with mouth mold two, and the bottom of mouth mold two is provided with mouth mold three, and the bottom of supporting plate is provided with rebound, the bottom of rebound is provided with die body, the side of mouth mold three is provided with charging aperture, and mouth mold one is internally provided with heat dam, and the opposite side of mouth mold two is provided with co-extruding flow channel.The utility model provides a kind of PVC wood plastic foaming co-extruding machine head, and coextruded layer can be made to be combined together with wood moulding base material, do not fallen off, not fugitive color.Using the co-extruding flow channel of gradual change type, counterpressure so that uniform feeding, without flash phenomena between template, and coextruded layer thickness is in 0.3mm, and coextruded layer thickness uniformity, no bright line.The processing cooling water channel on mouth mold one, processes heat dam below simultaneously, makes before product depanning rapidly cooling and shaping, to reach very high case hardness.
Description
Technical field
The utility model is related to a kind of composite co-extruding head, more particularly to a kind of PVC wood plastic surface hardening composite co-extruding machine
Head.
Background technology
PVC wood plastic composite material (Wood-Plastic Composites, WPC) is one be surging forward in recent years both at home and abroad
Class advanced composite material (ACM), refers to and utilizes polyvinyl chloride, and new wood materials are mixed into the string such as wood powder, rice husk, bamboo powder, mixes
The composite material granular for matching somebody with somebody and granulating and preparing.Again through plastic processings such as extruding, molding, injection mouldings, the plate produced
Material or section bar.It is mainly used in the industries such as building materials, furniture, logistics packaging.Wood-plastic co-extrusion is one layer of co-extrusion material of cladding on base material, is increased
The physical property and aesthetic property on strong surface.Wood-plastic co-extrusion technology is all by rigid PVC co-extrusion is developed, in existing technology altogether
Crowded layer combines together with wood moulding base material difficulty, and easy to fall off, colour fading, and feed is uneven, causes flash phenomena occur between template, very
To bright line is produced, so as to be unable to reach the higher hardness of wood moulding.
Utility model content
The technical problems to be solved in the utility model is that the defect for overcoming prior art increases there is provided a kind of PVC wood plastic surface
Hard composite co-extruding head.
In order to solve the above-mentioned technical problem, the utility model provides following technical scheme：
A kind of PVC wood plastic surface hardening composite co-extruding head of the utility model, including co-extruding machine head body, the co-extrusion machine
The end of head body is provided with mouth mold one, and the bottom of the mouth mold one is provided with mouth mold two, and the bottom of the mouth mold two is provided with
Mouth mold three, the bottom of the mouth mold three is provided with supporting plate, and the bottom of the supporting plate is provided with rebound, the rebound
Bottom is provided with die body, and the side of the mouth mold three is provided with charging aperture, and the mouth mold one is internally provided with heat dam, described
The inwall of heat dam is provided with cooling water hole, and the bottom of the cooling water hole is connected with bosh, the inside of the mouth mold two
Sprue is provided with, the side of the sprue is provided with charging hole, and the side of the charging hole is provided with buffer table, described slow
The side for rushing platform is provided with dashpot, and the side of the dashpot is provided with co-extrusion section, and the side of the co-extrusion section is provided with type
Chamber, the opposite side of the mouth mold two is provided with co-extruding flow channel.
As a kind of optimal technical scheme of the present utility model, the distance between the bosh and the die cavity are 6-
8mm, width is 6-10mm.
As a kind of optimal technical scheme of the present utility model, the co-extruding flow channel by sprue, runner, buffer table,
Dashpot and co-extrusion section composition.
As a kind of optimal technical scheme of the present utility model, the runner is semicircle, and width is 1mm-16mm, deep
Spend for 0.2mm-12mm, corner is circular arc, the buffer table is plane, depth is 2mm~0.5mm；The dashpot is half
Circle, width is 2mm~5mm, and depth is 1mm~3mm；The co-extrusion section is plane, and width is 3.5mm~8mm, and depth is
0.5mm~0.2mm.
As a kind of optimal technical scheme of the present utility model, the co-extruding flow channel uses gradual change type runner.
Compared with prior art, the beneficial effects of the utility model are as follows：The utility model provides a kind of PVC wood plastic foaming
Co-extruding machine head, can make coextruded layer be combined together with wood moulding base material, not fall off, and fugitive color does not use the co-extruding flow channel of gradual change type,
Without flash phenomena between counterpressure so that uniform feeding, die body, and coextruded layer thickness is in 0.3mm, and coextruded layer thickness is uniform
Unanimously, no bright line；Cooling water channel is processed on mouth mold one simultaneously, heat dam is processed below, is rapidly cooled down before making product depanning
Sizing, to reach very high case hardness.
Brief description of the drawings
Accompanying drawing is used for providing further understanding to of the present utility model, and constitutes a part for specification, with this practicality
New embodiment is used to explain the utility model together, does not constitute to limitation of the present utility model.In the accompanying drawings：
Fig. 1 is overall structure diagram of the present utility model；
Fig. 2 is the structural representation of the utility model mouth mold one；
Fig. 3 is the front view of the utility model mouth mold one；
Fig. 4 is the structural representation of the utility model mouth mold two；
Fig. 5 is the front view of the utility model mouth mold two；
In figure：1st, co-extruding machine head body；2nd, mouth mold one；3rd, mouth mold two；4th, mouth mold three；5th, supporting plate；6th, rebound；7th, mould
Body；8th, charging aperture；9th, heat dam；10th, cooling water hole；11st, bosh；12nd, charging hole；13rd, buffer table；14th, dashpot；
15th, co-extrusion section；16th, die cavity；17th, co-extruding flow channel；18th, sprue；19th, runner.
Embodiment
Preferred embodiment of the present utility model is illustrated below in conjunction with accompanying drawing, it will be appreciated that described herein excellent
Select embodiment to be merely to illustrate and explain the utility model, be not used to limit the utility model.
Embodiment 1
As Figure 1-5, the utility model provides a kind of PVC wood plastic surface hardening composite co-extruding head, including co-extrusion machine
Head body 1, the end of co-extruding machine head body 1 is provided with mouth mold 1, and the bottom of mouth mold 1 is provided with mouth mold 23, mouth mold 23
Bottom is provided with mouth mold 34, and the bottom of mouth mold 34 is provided with supporting plate 5, and the bottom of supporting plate 5 is provided with rebound 6, transition
The bottom of plate 6 is provided with die body 7, the side of mouth mold 34 is provided with charging aperture 8, and mouth mold 1 is internally provided with heat dam 9, every
The inwall of heat channel 9 is provided with cooling water hole 10, and the bottom of cooling water hole 10 is connected with bosh 11, and the inside of mouth mold 23 is set
Sprue 18 is equipped with, the side of sprue 18 is provided with charging hole 12, and the side of charging hole 12 is provided with buffer table 13, buffer table
13 side is provided with dashpot 14, and the side of dashpot 14 is provided with co-extrusion section 15, and the side of co-extrusion section 15 is provided with die cavity
16, the opposite side of mouth mold 23 is provided with co-extruding flow channel 17.
Further, the distance between bosh 11 and die cavity 16 are 6-8mm, and width is 6-10mm, are made between template
Uniform feeding.
Co-extruding flow channel 17 is made up of sprue 18, runner 19, buffer table 13, dashpot 14, co-extrusion section 15, equilibrium pressure
Power, is easy to extrusion forming.
Runner 19 is semicircle, and width is 1mm-16mm, and depth is 0.2mm-12mm, and corner is circular arc, buffer table
13 be plane, and depth is 2mm~0.5mm；Dashpot 14 is semicircle, and width is 2mm~5mm, and depth is 1mm~3mm；Co-extrusion
Section 15 is plane, and width is 3.5mm~8mm, and depth is 0.5mm~0.2mm, and runner 19 narrows from the width, from depth to shallow, prolonged
Extend the two ends in co-extrusion face, counterpressure.
Co-extruding flow channel 17 uses gradual change type runner, from 10mm to 7.5mm gradual changes, from 7.5mm to 3.5mm gradual changes, by 3.5mm
To 0.7mm gradual changes, pressure is balanced, is easy to extrusion forming.
Specifically, co-extruding machine head 1 is made up of mouth mold 1, mouth mold 23, mouth mold 34, supporting plate 5, rebound 6 and die body 7,
Mouth mold 1 is after die cavity 16 is processed, in reverse side milling depth 4mm heat dam 9, and the distance away from die cavity 16 is 15mm.Stay 6 in four sides
Platform, in the front Milling Machining bosh 11 of mouth mold 1, the distance away from die cavity 16 is 6mm, wide 6mm.Then sealed with red copper
Extremely, leak is prevented.Again in side drill two holes, tapping is installed water pipe head, is used as into water and water outlet.Processed in mouth mold 34
Co-extrusion charging aperture 8, is processed on the center of the material thickness of mouth mold 34.Co-extruding flow channel 17 is entered in the reverse side of mouth mold 23 with mouth mold 34
Processing flow channel centered on material mouth 8, in sector.From depth to shallow, corner is arc transition to both sides splayed sprue.Middle three
Angular domain is buffer platform, depth 1.5mm.What is connected with buffer platform is dashpot, width 5mm, depth 2.5mm.It is close
The face of co-extrusion die cavity 16 is exactly co-extrusion section 15, plane width 5mm, depth 0.5mm.Runner is all programmed by machining center, numerical control
Milling Machining.The tapping drill in mouth mold 23 is come out in passing again after processing.The processing and fabricating of other each plates is with common foaming mould
Have its same co-extrusion of processing and fabricating and feed nozzle in the middle of mouth mold three, co-extruding flow channel 17 is at the back side of mouth mold 23.Runner 19 is into fan
Shape, forms co-extrusion angle, and runner 19 narrows from the width, and from depth to shallow, extends to the two ends in co-extrusion face.Two runner 19 is formed
Angle part be buffer table 13, buffer table 13 is dashpot 14 into co-extrusion face, and last close to the face of die cavity 16 is co-extrusion
Section 15, co-extrusion material is with regard to that can form counterpressure, and the uniform co-extrusion of energy is in Wood-plastic foam substrate surface, to reach higher surface
Hardness.
The utility model provides a kind of PVC wood plastic foaming co-extruding machine head, and coextruded layer can be made to be combined together with wood moulding base material,
Do not fall off, not fugitive color.Using the co-extruding flow channel 17 of gradual change type, counterpressure so that uniform feeding, without flash between die body 7
Phenomenon, and coextruded layer thickness is in 0.3mm, and coextruded layer thickness uniformity, no bright line；Cooling is processed on mouth mold one simultaneously
Water channel, processes heat dam below, makes before product depanning rapidly cooling and shaping, to reach higher case hardness.
Finally it should be noted that：Preferred embodiment of the present utility model is the foregoing is only, this is not limited to
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it can still modify to the technical scheme described in foregoing embodiments, or to which part technical characteristic
Carry out equivalent substitution.It is all it is of the present utility model spirit and principle within, any modification, equivalent substitution and improvements made etc.,
It should be included within protection domain of the present utility model.
Claims (4)
1. a kind of PVC wood plastic surface hardening composite co-extruding head, including co-extruding machine head body (1), it is characterised in that the co-extrusion
The end of head body (1) is provided with mouth mold one (2), and the bottom of the mouth mold one (2) is provided with mouth mold two (3), the mouth mold
The bottom of two (3) is provided with mouth mold three (4), and the bottom of the mouth mold three (4) is provided with supporting plate (5), the supporting plate (5)
Bottom is provided with rebound (6), and the bottom of the rebound (6) is provided with die body (7), and the side of the mouth mold three (4) is set
There is a charging aperture (8), the mouth mold one (2) is internally provided with heat dam (9), and the inwall of the heat dam (9) is provided with cooling
Water hole (10), the bottom of the cooling water hole (10) is connected with bosh (11), and the mouth mold two (3) is internally provided with master
Runner (18), the side of the sprue (18) is provided with charging hole (12), and the side of the charging hole (12) is provided with buffering
Platform (13), the side of the buffer table (13) is provided with dashpot (14), and the side of the dashpot (14) is provided with co-extrusion section
(15), the side of the co-extrusion section (15) is provided with die cavity (16), and the opposite side of the mouth mold two (3) is provided with co-extruding flow channel
(17)。
2. a kind of PVC wood plastic surface hardening composite co-extruding head according to claim 1, it is characterised in that the co-extrusion
Runner (17) is made up of sprue (18), runner (19), buffer table (13), dashpot (14) and co-extrusion section (15).
3. a kind of PVC wood plastic surface hardening composite co-extruding head according to claim 2, it is characterised in that the shunting
Road (19) is semicircle, and width is 1mm-16mm, and depth is 0.2mm-12mm, and corner is circular arc, and the buffer table (13) is
Plane, depth is 2mm~0.5mm；The dashpot (14) is semicircle, and width is 2mm~5mm, and depth is 1mm~3mm；Institute
It is plane to state co-extrusion section (15), and width is 3.5mm~8mm, and depth is 0.5mm~0.2mm.
4. a kind of PVC wood plastic surface hardening composite co-extruding head according to claim 1, it is characterised in that the co-extrusion
Runner (17) uses gradual change type runner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621423394.2U CN206544302U (en) | 2016-12-23 | 2016-12-23 | A kind of PVC wood plastic surface hardening composite co-extruding head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621423394.2U CN206544302U (en) | 2016-12-23 | 2016-12-23 | A kind of PVC wood plastic surface hardening composite co-extruding head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206544302U true CN206544302U (en) | 2017-10-10 |
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ID=59993144
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621423394.2U Expired - Fee Related CN206544302U (en) | 2016-12-23 | 2016-12-23 | A kind of PVC wood plastic surface hardening composite co-extruding head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206544302U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107775927A (en) * | 2017-11-21 | 2018-03-09 | 文三佳科技股份有限公司 | Multilayer is confluxed slot type co-extruding flow channel profiled bar extrusion die die head |
-
2016
- 2016-12-23 CN CN201621423394.2U patent/CN206544302U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107775927A (en) * | 2017-11-21 | 2018-03-09 | 文三佳科技股份有限公司 | Multilayer is confluxed slot type co-extruding flow channel profiled bar extrusion die die head |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171010 Termination date: 20181223 |