CN204585623U - A kind of broken apart system of Wood-plastic material - Google Patents

A kind of broken apart system of Wood-plastic material Download PDF

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Publication number
CN204585623U
CN204585623U CN201520300972.2U CN201520300972U CN204585623U CN 204585623 U CN204585623 U CN 204585623U CN 201520300972 U CN201520300972 U CN 201520300972U CN 204585623 U CN204585623 U CN 204585623U
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CN
China
Prior art keywords
blower fan
wood
screw extruder
plastic material
parallel double
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Expired - Fee Related
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CN201520300972.2U
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Chinese (zh)
Inventor
盛岳金
赵小亮
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HUANGSHAN MEISEN NEW MATERIAL TECHNOLOGY Co Ltd
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HUANGSHAN MEISEN NEW MATERIAL TECHNOLOGY Co Ltd
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Priority to CN201520300972.2U priority Critical patent/CN204585623U/en
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Publication of CN204585623U publication Critical patent/CN204585623U/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/04Particle-shaped

Abstract

The utility model discloses a kind of broken apart system of Wood-plastic material, it comprises the parallel double-screw extruder, the first blower fan, cyclone separator, the second blower fan and the storage bin hopper that connect in turn, the feeding end of the first blower fan is connected with the discharging opening of parallel double-screw extruder, and is connected with cyclone separator by the first airduct; Second blower fan is connected with storage bin hopper by the second airduct, the second airduct is also provided with and the blanking pipeline communicated bottom cyclone separator.Parallel double-screw extruder comprises cylindrical shell, and is installed in the screw rod of two equidirectional rotations in cylindrical shell, and every root screw rod comprises screwing element and kneading member.The utility model is by transforming the screw rod in parallel double-screw extruder, strengthen the crushing effect of plasticizing pelletization stage, meanwhile, sent by force one wind, light breeze send, plasticizing material is made to be separated cooling further with the form of fluidisation state wind, better to remove moisture and organic volatile, greatly improve working (machining) efficiency and product quality.

Description

A kind of broken apart system of Wood-plastic material
Technical field
The utility model relates to Wood-plastic material manufacture field, particularly relates to a kind of broken apart system of Wood-plastic material.
Background technology
Wood-plastic material is a class environmental protection new material of rising in recent years.The kind of Wood-plastic material is more, and wherein polyolefin wood moulding material is the maximum Wood-plastic material kind of current worldwide production, is also the Wood-plastic material kind most with environment protection significance.Because the primary raw material producing polyolefin wood moulding material is agriculture and forestry organic waste material (as plant fiber powders such as wood powder, bamboo powder, chaff powder, powder of straw) and waste or used plastics (as the polyolefin such as polyethylene, polypropylene), its product is mainly used as the substitute of timber, therefore, develop polyolefin wood moulding material for agriculture and forestry organic waste material and plastic refuse comprehensive utilization, alleviate the pressure that is becoming tight natural timber day and reduce deforestation and all have great importance.Wood-plastic material has the series of advantages such as water absorption rate is low, corrosion resistance is damaged by worms by force, or not easy to crack, secondary workability is good, and its purposes is very extensive, as alternative timber is used as interior/exterior decoration material, building materials, packaging material, automotive trim plate etc.The exploitation of Wood-plastic material in recent years and development obtain global extensive attention.
The main method preparing Wood-plastic material is extrusion moulding, the general process that extrusion moulding prepares Wood-plastic material is: first mixed by the raw materials such as string, plastics, additive, then add in double screw extruder and carry out " plasticizing granulation ", obtained plasticizing material; Again plasticizing material is added extrusion molding in twin screw or single screw extruder, obtained wood plastic composite.In above-mentioned extrusion moulding, can obtain the polyolefin wood moulding material that string content is high, production cost is low, outward appearance woodiness touch is strong, " plasticizing granulation " is a vital processing step.
The existing double screw extruder for Wood-plastic material plasticizing granulation is generally parallel double-screw extruder or conical double screw extruder, for the plasticizing granulation of polyolefin wood moulding material, is good with the plasticizing granulation outcome of equidirectional parallel double-screw extruder.In order to make to obtain the Wood-plastic material plasticizing pellet required for extrusion molding, prior art requires, at the head place of double screw extruder, pellet device is housed, but Wood-plastic material is in the condition of high temperature when plastifying granulation in parallel double-screw extruder, very soft, wood all can not be moulded particle chopping by pellet device sometimes, and effect is very limited.In addition, the moisture content contained in string and organic volatile are also difficult to remove completely at front-end-of-line, therefore need to remove further in plasticizing granulation process, otherwise will affect extrusion molding and product quality.Because moisture content and organic volatile mainly come from string, therefore in wood plastic composite, string loading is higher, and the content of moisture content and organic volatile is also more.And existing plasticizing Granulation Equipments material when pelletizing has been compacted to a certain extent and has cooled, so that devolatilization difficulty.Therefore, existing broken apart system needs mostly in the technique increasing broken pelletizing after cyclone separator process, but so arranges the reduction that certainly will cause production efficiency.
Utility model content
Given this, the utility model provides a kind of Novel crushing piece-rate system of Wood-plastic material, solves existing system crushing efficiency low, the problem that separating effect is bad.
The utility model solves the technical scheme that its technical problem adopts: a kind of broken apart system of Wood-plastic material, it comprises the parallel double-screw extruder, the first blower fan, cyclone separator, the second blower fan and the storage bin hopper that connect in turn.
Wherein, the feeding end of the first blower fan is connected with the discharging opening of parallel double-screw extruder, and connected with cyclone separator by the first airduct, the second blower fan is connected with storage bin hopper by the second airduct, the second airduct is also provided with and the blanking pipeline communicated bottom cyclone separator.
Parallel double-screw extruder comprises cylindrical shell, and is installed in two screw rods in cylindrical shell, and two equidirectional rotations of screw rod, every root screw rod comprises screwing element and kneading member.Screwing element comprises multiple forward threaded block along spiro rod length directional spreding and reverse thread block, and kneading member comprises the multiple forward kneading blocks along spiro rod length directional spreding.Forward threaded block includes 56/56,96/96,72/72,64/64, and reverse thread block includes 36/36L, and forward kneading block includes 45 °/5/56,60 °/4/56,90 °/5/56.
Screwing element on screw rod and kneading member set gradually in the following order: 56/56, 96/96, 96/96, 96/96, 72/72, 72/72, 56/56, 56/56, 45 °/5/56, 60 °/4/56, 56/56, 45 °/5/56, 60 °/4/56, 56/56, 56/56, 45 °/5/56, 60 °/4/56, 36/36L, 72/72, 96/96, 96/96, 72/72, 45 °/5/56, 56/56, 60 °/4/56, 90 °/5/56, 64/64, 96/96, 96/96, 64/64, 45 °/5/56, 60 °/4/56, 56/56, 60 °/4/56, 90 °/5/56, 64/64, 96/96, 72/72, 72/72, 45 °/5/56, 60 °/4/56, 96/96, 72/72.
Screw rod be divided into set gradually transportation section, mixing section, extruded segment, exhaust section and a secondary extrusion section.Wherein, transportation section is provided with 56/56,96/96,96/96,96/96,72/72,72/72,56/56,56/56 successively.Mixing section is provided with successively 45 °/5/56,60 °/4/56,56/56,45 °/5/56,60 °/4/56,56/56,56/56,45 °/5/56,60 °/4/56,36/36L.An extruded segment is provided with successively 72/72,96/96,96/96,72/72,45 °/5/56,56/56,60 °/4/56,90 °/5/56,64/64,96/96,96/96,64/64,45 °/5/56,60 °/4/56,56/56,60 °/4/56,90 °/5/56.Exhaust section is provided with 64/64,96/96 successively.Secondary extrusion section is provided with successively 72/72,72/72,45 °/5/56,60 °/4/56,96/96,72/72.
The utility model compared with prior art tool has the following advantages:
By improving the screw rod in parallel double-screw extruder, set gradually as transportation section, mixing section, extruded segment, exhaust section and a secondary extrusion section, enhance the crushing effect of plasticizing pelletization stage, eliminate the step that existing system arranges disintegrating machine after cyclone separator, greatly improve working (machining) efficiency.Meanwhile, by arranging before and after cyclone separator, force one wind send, light breeze send, plasticizing material is made to be separated cooling further with the form of fluidisation state wind, avoid the generation of the hotter easy caking phenomenon of material prepared by existing method, and then better remove moisture and organic volatile, greatly improve product quality.
Below with reference to drawings and Examples, the utility model is described in detail.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of screw rod in the utility model.
In figure, 1, parallel double-screw extruder; 2, the first blower fan; 3, cyclone separator; 4, the second blower fan; 5, storage bin hopper; 6, the first airduct; 7, the second airduct; 8, blanking pipeline; 101, transportation section; 102, mixing section; 103, an extruded segment; 104, exhaust section; 105, secondary extrusion section.
Detailed description of the invention
Embodiment, as shown in Figure 1, a kind of broken apart system of Wood-plastic material, it comprises parallel double-screw extruder 1, first blower fan 2, cyclone separator 3, second blower fan 4 and the storage bin hopper 5 that connect in turn.
Wherein, the feeding end of the first blower fan 2 is connected with the discharging opening of parallel double-screw extruder 1, and connected with cyclone separator 3 by the first airduct 6, the second blower fan 4 is connected with storage bin hopper 5 by the second airduct 7, the second airduct 7 is also provided with and the blanking pipeline 8 communicated bottom cyclone separator 3.
Parallel double-screw extruder 1 comprises cylindrical shell, and is installed in two screw rods in cylindrical shell.Described two equidirectional rotations of screw rod, every root screw rod comprises screwing element and kneading member.Screwing element comprises multiple forward threaded block along spiro rod length directional spreding and reverse thread block, and kneading member comprises the multiple forward kneading blocks along spiro rod length directional spreding.
Forward threaded block includes 56/56,96/96,72/72,64/64, and described reverse thread block includes 36/36L, and described forward kneading block includes 45 °/5/56,60 °/4/56,90 °/5/56.Wherein, 56/56 represents that helical pitch is 56mm, and length is the forward threaded block of 56mm; 96/96 represents that helical pitch is 96mm, and length is the forward threaded block of 96mm; 72/72 represents that helical pitch is 72mm, and length is the forward threaded block of 72mm; 64/64 represents that helical pitch is 64mm, and length is the forward threaded block of 64mm; 36/36L represents that helical pitch is 36mm, and length is the reverse thread block of 36mm; The forward kneading block of 45 °/5/56 represents stagger arrangement angle to be 5 tooth helical pitches of 45 ° be 56mm; The forward kneading block of 60 °/4/56 represents stagger arrangement angle to be 4 tooth helical pitches of 60 ° be 56mm; The forward kneading block of 90 °/5/56 represents stagger arrangement angle to be 5 tooth helical pitches of 90 ° be 56mm.
As shown in Figure 2, screwing element in the utility model on screw rod and kneading member set gradually in the following order: 56/56, 96/96, 96/96, 96/96, 72/72, 72/72, 56/56, 56/56, 45 °/5/56, 60 °/4/56, 56/56, 45 °/5/56, 60 °/4/56, 56/56, 56/56, 45 °/5/56, 60 °/4/56, 36/36L, 72/72, 96/96, 96/96, 72/72, 45 °/5/56, 56/56, 60 °/4/56, 90 °/5/56, 64/64, 96/96, 96/96, 64/64, 45 °/5/56, 60 °/4/56, 56/56, 60 °/4/56, 90 °/5/56, 64/64, 96/96, 72/72, 72/72, 45 °/5/56, 60 °/4/56, 96/96, 72/72.
Above-mentioned screw rod be divided into set gradually transportation section, mixing section, extruded segment, exhaust section and a secondary extrusion section.
Wherein, transportation section 101 is provided with 56/56,96/96,96/96,96/96,72/72,72/72,56/56,56/56 successively.
Mixing section 102 is provided with successively 45 °/5/56,60 °/4/56,56/56,45 °/5/56,60 °/4/56,56/56,56/56,45 °/5/56,60 °/4/56,36/36L.
An extruded segment 103 is provided with successively 72/72,96/96,96/96,72/72,45 °/5/56,56/56,60 °/4/56,90 °/5/56,64/64,96/96,96/96,64/64,45 °/5/56,60 °/4/56,56/56,60 °/4/56,90 °/5/56.
Exhaust section 104 is provided with 64/64,96/96 successively.
Secondary extrusion section 105 is provided with successively 72/72,72/72,45 °/5/56,60 °/4/56,96/96,72/72.
Pass through technique scheme, by transforming the screw rod in parallel double-screw extruder, set gradually as transportation section, mixing section, extruded segment, exhaust section and a secondary extrusion section, strengthen the crushing effect of plasticizing pelletization stage, meanwhile, sent by force one wind, light breeze send, make plasticizing material be separated cooling further with the form of fluidisation state wind, material after improved again without the generation of caking phenomenon, thus improves working (machining) efficiency and product quality greatly.
Shown in the above and figure is only preferred embodiment of the present utility model; but protection domain of the present utility model is not limited thereto; anyly be familiar with those skilled in the art; in the technical scope that the utility model discloses; be equal to according to the technical solution of the utility model and utility model design thereof and replace or change, all should be encompassed within protection domain of the present utility model.

Claims (4)

1. a broken apart system for Wood-plastic material, is characterized in that: it comprises the parallel double-screw extruder, the first blower fan, cyclone separator, the second blower fan and the storage bin hopper that connect in turn; The described feeding end of the first blower fan is connected with the discharging opening of parallel double-screw extruder, and is connected with cyclone separator by the first airduct; Described second blower fan is connected with storage bin hopper by the second airduct, the second airduct is also provided with and the blanking pipeline communicated bottom cyclone separator; Described parallel double-screw extruder comprises cylindrical shell, and is installed in two screw rods in cylindrical shell; Described two equidirectional rotations of screw rod, every root screw rod comprises screwing element and kneading member.
2. the broken apart system of Wood-plastic material as claimed in claim 1, it is characterized in that: described screwing element comprises multiple forward threaded block along spiro rod length directional spreding and reverse thread block, and kneading member comprises the multiple forward kneading blocks along spiro rod length directional spreding, described forward threaded block includes 56/56,96/96,72/72,64/64, and described reverse thread block includes 36/36L, and described forward kneading block includes 45 °/5/56,60 °/4/56,90 °/5/56, screwing element on described screw rod and kneading member set gradually in the following order: 56/56, 96/96, 96/96, 96/96, 72/72, 72/72, 56/56, 56/56, 45 °/5/56, 60 °/4/56, 56/56, 45 °/5/56, 60 °/4/56, 56/56, 56/56, 45 °/5/56, 60 °/4/56, 36/36L, 72/72, 96/96, 96/96, 72/72, 45 °/5/56, 56/56, 60 °/4/56, 90 °/5/56, 64/64, 96/96, 96/96, 64/64, 45 °/5/56, 60 °/4/56, 56/56, 60 °/4/56, 90 °/5/56, 64/64, 96/96, 72/72, 72/72, 45 °/5/56, 60 °/4/56, 96/96, 72/72.
3. the broken apart system of Wood-plastic material as claimed in claim 1 or 2, is characterized in that: described screw rod be divided into set gradually transportation section, mixing section, extruded segment, exhaust section and a secondary extrusion section.
4. the broken apart system of Wood-plastic material as claimed in claim 3, is characterized in that: described transportation section is provided with 56/56,96/96,96/96,96/96,72/72,72/72,56/56,56/56 successively; Described mixing section is provided with successively 45 °/5/56,60 °/4/56,56/56,45 °/5/56,60 °/4/56,56/56,56/56,45 °/5/56,60 °/4/56,36/36L; A described extruded segment is provided with 72/72,96/96,96/96,72/72,45 °/5/56,56/56,60 °/4/56,90 °/5/56,64/64,96/96,96/96,64/64,45 °/5/56,60 °/4/56,56/56,60 °/4/56,90 °/5/56 successively; Described exhaust section is provided with 64/64,96/96 successively; Described secondary extrusion section is provided with successively 72/72,72/72,45 °/5/56,60 °/4/56,96/96,72/72.
CN201520300972.2U 2015-05-08 2015-05-08 A kind of broken apart system of Wood-plastic material Expired - Fee Related CN204585623U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110919894A (en) * 2019-11-07 2020-03-27 湖南工业大学 Composite board extrusion molding device of high-filling plant fiber/polylactic acid

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110919894A (en) * 2019-11-07 2020-03-27 湖南工业大学 Composite board extrusion molding device of high-filling plant fiber/polylactic acid

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20150826

Termination date: 20190508

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