CN209111486U - A kind of wood-plastic co-extrusion section bar and its production mould - Google Patents
A kind of wood-plastic co-extrusion section bar and its production mould Download PDFInfo
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- CN209111486U CN209111486U CN201821343262.8U CN201821343262U CN209111486U CN 209111486 U CN209111486 U CN 209111486U CN 201821343262 U CN201821343262 U CN 201821343262U CN 209111486 U CN209111486 U CN 209111486U
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- plastic
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- section bar
- core
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Abstract
The utility model belongs to construction processes technical field, proposes a kind of wood-plastic co-extrusion section bar and its production mould, including core, core are coated with plastic layer, and plastic layer is integrally disposed upon on core.The utility model also proposes a kind of wood-plastic co-extrusion section bar production mould, including the die ontology for producing wood-plastic co-extrusion section bar, die ontology includes the end mold set gradually, type cavity mould, the extrusion type chamber for plastic overmold on core is provided on type cavity mould, be provided on end mold for convey plastics into plastic passages, be connected into plastic passages by flow manifold with extrusion type chamber, the utility model solve the problems, such as that wood-plastic co-extrusion section bar service performance is poor in the prior art and mold use process in will lead to plastic layer molding effect poor.
Description
Technical field
The utility model belongs to construction processes technical field, is related to a kind of wood-plastic co-extrusion section bar and its production mould.
Background technique
It is mainly basic material and thermoplastic macromolecule material (plastics) and auxiliary agent processing by timber that Wood-plastic profiles, which are a kind of,
It forms, thermoplastic macromolecule material, which is coated on Surface of profile extrusion molding through die apparatus again after mixing, can be made height
Novel wood-plastic sectional material has the performance and feature of timber and plastics concurrently, is the advanced composite material (ACM) that can substitute timber and plastics.
The main component of timber is by discarded corner wood powder, wood fragments and the processing of slag wood in Wood-plastic profiles currently on the market
For profile, then in surface bonding plastics layer, performance when in use is poor, far away from pure wood quality in use strong
Degree, crushing resistance and service life, and the production cycle is longer.
There is the plastic layer molding effect difference of cladding in use process in the mold for producing Wood-plastic profiles.
Utility model content
The utility model proposes a kind of wood-plastic co-extrusion section bar and its production mould, solves wood-plastic co-extrusion type in the prior art
It will lead to the problem of plastic layer molding effect difference in material service performance difference and mold use process.
The technical solution of the utility model is achieved in that
A kind of wood-plastic co-extrusion section bar, comprising:
Core, the core are coated with plastic layer,
The plastic layer is integrally disposed upon on the core.
As further technical solution, the cross sectional shape of the core is " L " type, rectangular, round.
As further technical solution, the plastic layer with a thickness of 0.8~3mm, the plastic layer is PVC layers, PE
Layer, any one in PP layers.
A kind of wood-plastic co-extrusion section bar production mould, including
For producing the die ontology of the wood-plastic co-extrusion section bar,
The die ontology includes the end mold set gradually, type cavity mould, is provided with and is used on the type cavity mould
Extrusion type chamber of the plastic overmold on core,
Be provided on the end mold for convey plastics into plastic passages, it is described into plastic passages by shunting stream
Road is connected to the extrusion type chamber,
The flow manifold include with the shunting main road being connect into plastic passages, the shunting main road is arc-shaped, institute
It states shunting main road and is communicated with overflow ducts by several diverter branch, extrusion type chamber port is arranged in the overflow ducts
Periphery.
As further technical solution, the feed inlet for passing through the core is provided on the end mold,
The feed inlet is communicated with the feed cavity for extending to the extrusion type chamber, and the extrusion type chamber connection has the gap, described
Gap is connect by channel with plastics feedway,
The feed cavity is surrounded by annular edge, and the outer wall of the annular edge is by close to one end of the feed inlet to separate institute
The one end for stating feed inlet slopes inwardly, and the surrounding of the annular edge is arranged in the gap.
As further technical solution, the side that the type cavity mould is contacted with the end mold is contact surface, institute
Flow manifold is stated to be arranged on the contact surface.
As further technical solution, several water-cooling channels are provided on the type cavity mould, several water coolings are logical
Road is sequentially communicated by the first connecting tube,
Several water-cooling channels are being successively set on institute on the contact surface to the direction of the separate contact surface
It states on type cavity mould,
The water-cooling channel includes that the upper channel above the extrusion type chamber is arranged in, is arranged below the extrusion type chamber
Lower channel.
Wherein one end near the lower channel of the contact surface is connect with water inlet pipe,
It is connect farthest away from wherein one end of the upper channel of the contact surface with outlet pipe.
As further technical solution, the water inlet pipe, the outlet pipe are connect with water tank, on the water inlet pipe
It is provided with water pump.
It is described to be connect into plastic passages with the plastics feedway as further technical solution.
The utility model is using principle and has the beneficial effect that
1, the wood-plastic co-extrusion section bar in the utility model uses pure timber as core, then by mold in core surface packet
Plastic layer is covered, plastic layer has good air-tightness, waterproofness, and surface is smooth glossy, can substitute traditional profile system
Make process and existing wood-plastic co-extrusion technology.Solve to need to carry out multilayer under-coating varnish and brush finish paint in traditional profile manufacturing process
Process, cause the production cycle long and content of formaldehyde height not environmentally the problem of.
And in existing wood-plastic co-extrusion technology the ingredient of timber be mostly discarded corner wood powder, wood fragments and the processing of slag wood and
At, then in surface bonding plastics layer, the being tightly combined property of timber and plastic layer is poor, easily forms point on the surface layer of plastic layer,
Cause air-tightness and the waterproof effect of profile poor, and intensity is lower in use, service life is short.And the utility model
In profile use intensity, service life it is higher, plastics layer surface is smooth, good water-proof effect, and only timber is needed once to pass through mould
Production can be completed in tool ontology coating plastic layer, with short production cycle, and service performance is high.
2, the die ontology in the utility model is for passing through conveyer belt for core first when producing wood-plastic co-extrusion section bar
The extrusion type chamber being sent in die ontology, plastics feedway passes sequentially through channel and is connected to extrusion type chamber at the same time
Gap is passed through thermoplastic macromolecule material to extrusion type is intracavitary, and thermoplastic macromolecule material can be coated on the surface of core, is formed
Plastic layer.
Channel includes being arranged in be used to convey supplying into plastic passages and into plastic passages and plastics for plastics on end mold
Device connection is given, flow manifold, gap is passed sequentially through into plastic passages and is connected to extrusion type chamber, flow manifold can will be into plastics stream
Thermoplastic macromolecule material uniform divided flows in road, to keep thermoplastic macromolecule material uniform by the gap of circulating type
Flow into that extrusion type is intracavitary, form uniform and smooth plastic layer on the surface of the intracavitary core of extrusion type, wood moulding can be made to be total to
The air-tightness and waterproofness of extrusion section bar are more preferable.
Flow manifold is arranged on the side that type cavity mould is contacted with end mold and is looped around extrusion in the utility model
The periphery of type chamber passes sequentially through into plastic passages and shunts main road, several diverter branch, overflow ducts, gap and extrusion type chamber company
Logical, gap is annular, therefore can be avoided from comprehensive to the intracavitary feed of extrusion type because feed unevenly leads to plastic layer not
The case where core cannot being coated smoothly or completely generation, forms uniform plastic layer so as to the surface in core.
3, feed cavity is surrounded by annular edge in the utility model, and the outer wall of annular edge is obliquely installed, one far from feed inlet
End slopes inwardly, so as to so that thermoplastic macromolecule material is comprehensive and the uniform gap by annular flows into extrusion type chamber
It is interior, and the surface for being coated on core forms plastic layer.
4, type cavity mould includes upper mold, lower mold in the utility model, upper mold, lower mold, end mold two-by-two it
Between be bolted together, form die ontology.Extrusion type chamber is formed between upper mold, lower mold.
Flow manifold is arranged on the side that type cavity mould is contacted with end mold and is looped around the periphery of extrusion type chamber, because
This can be avoided from comprehensive to the intracavitary feed of extrusion type because feed unevenly causes plastic layer unsmooth or cannot wrap completely
The case where covering core generation forms uniform plastic layer so as to the surface in core.
5, it is the table for being formed in core at high operating temperatures that the plastic layer in the utility model, which is thermoplastic macromolecule material,
Face, therefore cooled down after forming plastic layer, carried out after profile transfers out mold mostly in the prior art it is air-cooled or
Water cooling carries out water cooling after profile transfers out mold, and the temperature of plastic layer is still higher at this time, easily deformation, therefore is conveying
Deformation may be will result in the process or form point on surface, influence the quality of profile.In die ontology in the utility model
On be provided with water-cooling channel, water-cooling channel includes multiple interconnected upper channel and lower channel, therefore film-cooled heat is bigger, on
Channel, lower channel are separately positioned on the two sides up and down of extrusion type chamber, thus can the profile intracavitary to extrusion type played it is cold
But effect, plastic layer deformation or point would not occur, and plastic layer is allowed to form smooth layer in core surface.
Near the lower channel of contact surface, wherein one end is connect with water inlet pipe, and upper channel and outlet pipe far from contact surface connect
It connects, the both ends of remaining upper channel and lower channel are connected to by the first connecting tube respectively again, so that several upper channels, several lower channels
It can be connected to, water inlet pipe, outlet pipe are connect with water tank, therefore water can follow between water tank and water-cooling channel
Ring plays the good cooling effect to wood-plastic co-extrusion section bar.
It is connect into plastic passages with plastics feedway, plastics feedway can be the production process of wood-plastic co-extrusion section bar
Thermoplastic macromolecule material is provided, to form plastic layer in core surface.
Detailed description of the invention
Utility model will be further described in detail below with reference to the attached drawings and specific embodiments.
Fig. 1 is the structural schematic diagram of wood-plastic co-extrusion section bar in the utility model embodiment one；
Fig. 2 is the structural schematic diagram of wood-plastic co-extrusion section bar in the utility model embodiment two；
Fig. 3 is the structural schematic diagram of wood-plastic co-extrusion section bar in the utility model embodiment three；
Fig. 4 is the structural schematic diagram of die ontology in the utility model；
Fig. 5 is the utility model structure diagram；
Fig. 6 is the structural schematic diagram of flow manifold in the utility model；
Fig. 7 is the structural schematic diagram of water-cooling channel in the utility model；
In figure: 1- die ontology, 11- end mold, 12- type cavity mould, 121- upper mold, mold under 122-, 2- charging
Chamber, 3- extrusion type chamber, the channel 40-, 4- shunt main road, 52- diverter branch into plastic passages, 5- flow manifold, 51-, and 53- overflows
Circulation road, 6- water-cooling channel, 61- upper channel, 62- lower channel, 7- water inlet pipe, 8- outlet pipe, the first connecting tube of 9-, 10- core,
13- water tank, 14- plastics feedway, 15- bolt, 16- feed inlet, 17- contact surface, 18- water pump, 19- annular edge, 20-
Gap, 21- plastic layer.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts
Every other embodiment obtained, fall within the protection scope of the utility model.
As shown in FIG. 1 to FIG. 7, the utility model proposes a kind of wood-plastic co-extrusion section bar, comprising:
Core 10, core 10 are coated with plastic layer 21, and plastic layer 21 is integrally disposed upon on core 10.
Further, the cross sectional shape of core 10 is " L " type, rectangular, round.
Further, plastic layer 21 with a thickness of 0.8~3mm, plastic layer 21 be layer of PVC, PE layers, it is any one in PP layers
Kind.
Wood-plastic co-extrusion section bar in the utility model uses pure timber as core 10, then by mold in 10 table of core
Bread covers plastic layer 21, and plastic layer 21 has good air-tightness, waterproofness, and surface is smooth glossy, can substitute tradition
Profile manufacturing process and existing wood-plastic co-extrusion technology.Solve to need in traditional profile manufacturing process to carry out multilayer under-coating varnish and
The process of brush finish paint, cause the production cycle long and content of formaldehyde height not environmentally the problem of.
And in existing wood-plastic co-extrusion technology the ingredient of timber be mostly discarded corner wood powder, wood fragments and the processing of slag wood and
At, then in surface bonding plastics layer 21, the being tightly combined property of timber and plastic layer 21 is poor, is easily formed on the surface layer of plastic layer 21
Point causes the air-tightness of profile and waterproof effect poor, and intensity is lower in use, and service life is short.And this reality
Higher with profile use intensity, the service life in novel, plastics layer surface is smooth, good water-proof effect, and only needs timber primary
Production can be completed by 1 coating plastic layer 21 of die ontology, with short production cycle, service performance is high.
The utility model also proposes a kind of wood-plastic co-extrusion section bar production mould, comprising:
For producing the die ontology 1 of wood-plastic co-extrusion section bar,
Die ontology 1 includes end mold 11, the type cavity mould 12 set gradually, is provided on type cavity mould 12 for moulding
Expect the extrusion type chamber 3 being coated on core 10,
Be provided on end mold 11 for convey plastics into plastic passages 4, pass through flow manifold 5 into plastic passages 4
It is connected to extrusion type chamber 3,
Flow manifold 5 includes the shunting main road 51 connecting with into plastic passages 4, and shunting main road 51 is arc-shaped, shunts main road
51 are communicated with overflow ducts 53 by several diverter branch 52, and the periphery of 3 port of extrusion type chamber is arranged in overflow ducts 53.
Die ontology 1 in the utility model is for passing through transmission for core 10 first when producing wood-plastic co-extrusion section bar
Band is sent to the extrusion type chamber 3 in die ontology 1, and plastics feedway 14 passes sequentially through channel 40 and and extrusion type at the same time
The gap 20 that chamber 3 is connected to is passed through thermoplastic macromolecule material into extrusion type chamber 3, and thermoplastic macromolecule material can be coated on core
10 surface forms plastic layer 21.
Channel 40 include be arranged on end mold 11 for convey plastics into plastic passages 4 and into plastic passages 4 with
Plastics feedway 14 connects, and passes sequentially through flow manifold 5, gap 20 into plastic passages 4 and is connected to extrusion type chamber 3, shunts stream
It road 5 can be by into the thermoplastic macromolecule material uniform divided flows in plastic passages 4, so that thermoplastic macromolecule material be allow to pass through
The gap 20 of circulating type uniformly flows into extrusion type chamber 3, and the surface of the core in extrusion type chamber 3 forms uniform and smooth
Plastic layer 21, the air-tightness of wood-plastic co-extrusion section bar and waterproofness can be made more preferable.
Flow manifold 5 is arranged on the side that type cavity mould 12 is contacted with end mold 11 and is looped around in the utility model
The periphery of extrusion type chamber 3 passes sequentially through into plastic passages 4 and shunts main road 51, several diverter branch 52, overflow ducts 53, gap
20 are connected to extrusion type chamber 3, therefore can be fed from comprehensive into extrusion type chamber 3, and avoid unevenly causes to mould because being fed
The case where bed of material is unsmooth or cannot coat core 10 completely generation, so as to form uniform plastics on the surface of core 10
Layer 21.
Further, the feed inlet 16 for passing through core 10 is provided on end mold 11,
Feed inlet 16 is communicated with the feed cavity 2 for extending to extrusion type chamber 3, and the connection of extrusion type chamber 3 has the gap 20, and gap 20 passes through
Channel 40 is connect with plastics feedway 14,
Feed cavity 2 is surrounded by annular edge 19, and the outer wall of annular edge 19 is by close to one end of feed inlet 16 to separate feed inlet
16 one end slopes inwardly, and the surrounding of annular edge 19 is arranged in gap 20.
Feed cavity 2 is surrounded by annular edge 19 in the utility model, and the outer wall of annular edge 19 is obliquely installed, far from feed inlet 16
One end slope inwardly, so as to so that thermoplastic macromolecule material is comprehensive and the uniform gap 20 by annular flows into and squeezes
Out in type chamber 3, and the surface for being coated on core 10 forms plastic layer 2.
Further, the side that type cavity mould 12 is contacted with end mold 11 is contact surface 17, and the setting of flow manifold 5 is connecing
In contacting surface 17.
Type cavity mould 12 includes upper mold 121, lower mold 122, upper mold 121, lower mold 122, end in the utility model
Portion's mold 11 is linked together by bolt 15 between any two, forms die ontology 1.Between upper mold 121, lower mold 122
Form extrusion type chamber 3.
Flow manifold 5 is arranged on the side that type cavity mould 12 is contacted with end mold 11 and is looped around extrusion type chamber 3
Periphery, therefore can be fed from comprehensive into extrusion type chamber 3, avoid unevenly causes plastic layer unsmooth or not because being fed
The case where core 10 can be coated completely generation, so as to form uniform plastic layer 21 on the surface of core 10.
Further, be provided with several water-cooling channels 6 on type cavity mould 12, several water-cooling channels 6 by the first connecting tube 9 according to
Secondary connection,
Several water-cooling channels 6 are being successively set on type cavity mould 12 on contact surface 17 to the direction of separate contact surface 17
On,
Water-cooling channel 6 is lower logical below extrusion type chamber 3 including the upper channel 61 of 3 top of extrusion type chamber is arranged in, is arranged in
Road 62.
Wherein one end near the lower channel 62 of contact surface 17 is connect with water inlet pipe 7,
It is connect farthest away from wherein one end of the upper channel 61 of contact surface 17 with outlet pipe 8.
Further, water inlet pipe 7, outlet pipe 8 are connect with water tank 13, and water pump 18 is provided on water inlet pipe 7.
Further, it is connect into plastic passages 4 with plastics feedway 14.
Plastic layer 2 in the utility model is that thermoplastic macromolecule material is to be formed in core 10 at high operating temperatures
Surface, therefore cooled down after forming plastic layer 2, it is carried out after profile transfers out mold mostly in the prior art air-cooled
Or water cooling, water cooling is carried out after profile transfers out mold, the temperature of plastic layer is still higher at this time, easily deformation, therefore defeated
Deformation may be will result in during sending or form point on surface, influence the quality of profile.In mold sheet in the utility model
Water-cooling channel 6 is provided on body 1, water-cooling channel 6 includes multiple interconnected upper channels 61, lower channel 62, therefore cooling surface
Product is bigger, and upper channel 61, lower channel 62 are separately positioned on the two sides up and down of extrusion type chamber 3, therefore can be in extrusion type chamber 3
The cooling effect that profile has played, plastic layer 21 deformation or point would not occur, allow plastic layer 21 in 10 table of core
Face forms smooth layer.
Near the lower channel 62 of contact surface 17, wherein one end is connect with water inlet pipe 7, the upper channel 61 far from contact surface 17
Connect with outlet pipe 8, remaining upper channel 61, lower channel 62 both ends again respectively by the first connecting tube 9 be connected to so that on several
Channel 61, several lower channels 62 can be connected to, and water inlet pipe 7, outlet pipe 8 are connect with water tank 13, therefore water
It is recycled between water tank 13 and water-cooling channel 6, plays the good cooling effect to wood-plastic co-extrusion section bar.
It is connect into plastic passages 4 with plastics feedway 14, plastics feedway 14 can be the life of wood-plastic co-extrusion section bar
Production process provides thermoplastic macromolecule material, to form plastic layer 21 on 10 surface of core.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (6)
1. a kind of wood-plastic co-extrusion section bar production mould, which is characterized in that including die ontology (1),
The die ontology (1) includes the end mold (11) set gradually, type cavity mould (12), on the type cavity mould (12)
It is provided with for extrusion type chamber (3) of the plastic overmold on core (10),
Be provided on the end mold (11) for convey plastics into plastic passages (4), it is described to pass through into plastic passages (4)
Flow manifold (5) is connected to the extrusion type chamber (3),
The flow manifold (5) includes and the shunting main road (51) connecting into plastic passages (4), the shunting main road (51)
Arc-shaped, the shunting main road (51) is communicated with overflow ducts (53), the overflow ducts by several diverter branch (52)
(53) it is arranged in the periphery of extrusion type chamber (3) port.
2. a kind of wood-plastic co-extrusion section bar production mould according to claim 1, which is characterized in that the end mold (11)
On be provided with for by the feed inlet (16) of the core (10),
The feed inlet (16) is communicated with the feed cavity (2) for extending to the extrusion type chamber (3), and the extrusion type chamber (3) is communicated with
Gap (20), the gap (20) are connect by channel (40) with plastics feedway (14),
The feed cavity (2) is surrounded by annular edge (19), and the outer wall of the annular edge (19) is by close to the feed inlet (16)
One end to one end far from the feed inlet (16) slopes inwardly, and the gap (20) is arranged the four of the annular edge (19)
Week.
3. a kind of wood-plastic co-extrusion section bar production mould according to claim 2, which is characterized in that the type cavity mould (12)
The side contacted with the end mold (11) is contact surface (17), and the flow manifold (5) is arranged in the contact surface (17)
On.
4. a kind of wood-plastic co-extrusion section bar production mould according to claim 3, which is characterized in that the type cavity mould (12)
On be provided with several water-cooling channels (6), several water-cooling channels (6) are sequentially communicated by the first connecting tube (9),
Several water-cooling channels (6) successively set on the direction close to the contact surface (17) to separate the contact surface (17)
It sets on the type cavity mould (12),
The water-cooling channel (6) includes the upper channel (61) being arranged above the extrusion type chamber (3), is arranged in the extrusion type
Lower channel (62) below chamber (3),
Wherein one end near the lower channel (62) of the contact surface (17) is connect with water inlet pipe (7),
It is connect farthest away from wherein one end of the upper channel (61) of the contact surface (17) with outlet pipe (8).
5. a kind of wood-plastic co-extrusion section bar production mould according to claim 4, which is characterized in that the water inlet pipe (7), institute
It states outlet pipe (8) to connect with water tank (13), is provided with water pump (18) on the water inlet pipe (7).
6. a kind of wood-plastic co-extrusion section bar production mould according to claim 5, which is characterized in that described into plastic passages
(4) it is connect with the plastics feedway (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821343262.8U CN209111486U (en) | 2018-08-20 | 2018-08-20 | A kind of wood-plastic co-extrusion section bar and its production mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821343262.8U CN209111486U (en) | 2018-08-20 | 2018-08-20 | A kind of wood-plastic co-extrusion section bar and its production mould |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209111486U true CN209111486U (en) | 2019-07-16 |
Family
ID=67197199
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821343262.8U Expired - Fee Related CN209111486U (en) | 2018-08-20 | 2018-08-20 | A kind of wood-plastic co-extrusion section bar and its production mould |
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| Country | Link |
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| CN (1) | CN209111486U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111958936A (en) * | 2020-08-05 | 2020-11-20 | 湖南恒信新型建材有限公司 | Adhesive-free composite co-extrusion one-step forming integrated wallboard |
-
2018
- 2018-08-20 CN CN201821343262.8U patent/CN209111486U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111958936A (en) * | 2020-08-05 | 2020-11-20 | 湖南恒信新型建材有限公司 | Adhesive-free composite co-extrusion one-step forming integrated wallboard |
| CN111958936B (en) * | 2020-08-05 | 2021-12-31 | 湖南恒信新型建材有限公司 | Adhesive-free composite co-extrusion one-step forming integrated wallboard |
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