CN102079129A - Wood-plastic composite reinforced blending plasticization device - Google Patents
Wood-plastic composite reinforced blending plasticization device Download PDFInfo
- Publication number
- CN102079129A CN102079129A CN2010105130126A CN201010513012A CN102079129A CN 102079129 A CN102079129 A CN 102079129A CN 2010105130126 A CN2010105130126 A CN 2010105130126A CN 201010513012 A CN201010513012 A CN 201010513012A CN 102079129 A CN102079129 A CN 102079129A
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- Prior art keywords
- blend
- screw
- section
- blending
- plasticization
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
- B29C48/40—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/50—Details of extruders
- B29C48/505—Screws
- B29C48/64—Screws with two or more threads
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
The invention discloses a wood-plastic composite reinforced blending plasticization device. The device comprises a blending plasticization screw I and a blending plasticization screw II with the same structure; both the blending plasticization screw I and the blending plasticization screw II are sequentially divided into a plastic granule conveying section, a plastic melting plasticization section, a fiber/plastic blending section, a reinforced blending plasticization section, a homogenization section and a metering section; and the reinforced blending plasticization section consists of 1 to 6 single-helix mixing rotors. The device has compact structure, small volume and good mixing effect, is convenient to operate, solves the problem of difficult blanking of fibers, realizes uniform dispersion of fibers and polymer resin in a submicroscopic scale range, is favorable for improving the two-phase structure and the perform uniformity of the composite materials, and improves the integral physical and mechanical properties of the materials; and the residence time of the fibers in the device is short, the temperature is appropriate, the fibers are not easy to carbonize, and the device is environmentally-friendly.
Description
Technical field
The present invention relates to a kind of wood plastic composite and strengthen the blend plasticizing apparatus.
Background technology
It is to develop very fast new generation of green environmental protection class material recently in the world that wood is moulded composite foam material, its raw materials for production are mainly natural plant fibre, thermoplastic (comprise various regenerated plastics, plastic raw materials with) or starch, and relevant modifier and processing aid.It is a kind of lightweight, high buffering and elastomeric material.This material is with respect to pure plastics, and the natural degradation ratio improves, and material cost descends, and a lot of performances are enhanced, and become a kind of Dai Mudai plastic material of widely paying close attention to, and have obtained extensive use in the world.
Wood plastic composite and other pure plastic material and other plastic composite compare, and character has very big difference.At first, wood contains large quantity of moisture and very difficult bone dry in (plant) fiber usually, also is easy under the high temperature reunite, decomposition and charing; Secondly, in whole process, the string part all is to exist and can not melt with solid-state form, and this state has brought very big difficulty for the orientation and the dispersion of string in melt.This just requires: one will have the positive feed device to guarantee string and the uniformity of plastic melt on mixed proportion, guarantees the homogeneity on material macrostructure and the physicochemical property; Two will have bigger screw rod and barrel draw ratio, make fiber and plastic melt carry out abundant hybrid orientation to guarantee time enough, and wherein the optimal design of screw-rod structure is particularly important.
CN100563999C discloses a kind of conical double screw extruder special for wood plastic composite material, the conical double-screw that it adopted has mixer, machine barrel and screw slenderness ratio are greater than 30 simultaneously, and on machine barrel, only be provided with a steam vent, this device before exhaust outlet, make fusion plastic wraps the heating wood powder and mix, but this device has only loaded a screw rod vertically downward in reinforced bin location, and do not improve the cutting stock problems that are difficult to of fiber, described extruder can not guarantee the even dispersion of fiber in melt simultaneously, wood-fibred is overstand in this equipment, temperature is too high, charing easily, product does not have foaming, not environmental protection, the equipment energy consumption height, complicated operation.
CN2650971Y discloses a kind of wooden extruder of moulding, adopted horizontal vertical two screw rods, horizontal screw rod plays plastication, and has added a mixing tube on vertical screw rod, loaded rolling bearing therebetween again, increased the melting effect of Wood plastic composite, but fundamentally do not solved the wood-fibred feeding and mould the problem that wooden compound system is stablized blending ratio, fiber feed difficulty, fiber is overstand in equipment, charing easily, fiber dispersion weak effect, equipment do not have the foaming unit.
CN1064059C discloses a kind of structure of fiber reinforced thermoplastics, method for making and production equipment thereof, fiber mainly adopts glass fibre, carbon fiber and composition thereof, the combing effect of described equipment utilization machine barrel or screw rod irregular surface and place one or more between extruder screw front end and the die head to install with latticed form at least and part is the combing degree that the pressing plate of wedge-shaped cross-section is controlled thermoplastic resin masterbatch fortifying fibre, the helical of fibre length and blend melt flows, it is too high to specification requirement that this control fiber size and fiber and thermoplastic resin mix degree methods, the particularly processing of machine barrel and screw surface structure, the equipment processing cost is too high, the problem of fiber feed difficulty does not solve simultaneously, and equipment does not have the foaming unit.
Summary of the invention
In order to overcome the above-mentioned defective that prior art exists, the invention provides a kind of good mixing effect, volume is little, and easy to operate wood plastic composite is strengthened the blend plasticizing apparatus.
Technical scheme of the present invention is: it comprises the identical blend plasticized screw I of a pair of structure, blend plasticized screw II, blend plasticized screw I and blend plasticized screw II all are divided into the plastic grain section of transporting, plastics fusion plastification section, fiber/plastic blend section successively, strengthen blend fluxing zone, homogenizing zone, metering section, strengthen the blend fluxing zone and are made up of 1～6 (preferred 2) mixing rotor of single-screw.
The mixing rotor of described single-screw is oval rotor, and shape of cross section is a tumbler shape; The mixing rotor of single-screw that is positioned at blend plasticized screw I is when blend plasticized screw I axis rotates, constitute the camming movement state, the mixing rotor of single-screw that is positioned at blend plasticized screw II also constitutes the camming movement state when blend plasticized screw II axis rotates.
The mixing rotor of single-screw in blend plasticized screw I from the summit to blend plasticized screw I axle core line and the angle the line of the mixing rotor of single-screw in blend plasticized screw II from the summit to blend plasticized screw II axle core be 0～180 °.
Blend plasticized screw I, when blend plasticized screw II is rotated simultaneously, the mixing rotor of single-screw that is positioned at blend plasticized screw I and the mixing rotor of single-screw that is positioned at blend plasticized screw II can form tangent cooperate or front and back interlace and mesh.
The assembly relation that the present invention's wood plastic composite is strengthened between blend plasticizing apparatus and the extruder miscellaneous part is: described blend plasticized screw I, blend plasticized screw II is loaded in the barrel, constitute double-screw structure, described fiber/plastic blend section front end is installed fiber positive feed device, fiber positive feed device is fixed in outside the barrel, fiber positive feed device communicates through barrel fiber/plastic blend section, blend plasticized screw I, blend plasticized screw II end links to each other with main drive motor by gearbox, gearbox and main drive motor are installed on the extruder base, blend plasticized screw I, blend plasticized screw II end also is equipped with the plastics feeding device, and the plastics feeding device is driven by coupled feeding drive motors.
During work, plastic grain at first enters the plastic grain section of transporting, under the driving of corresponding blend plasticized screw, travel forward and enter plastics fusion plastification section, plastic grain is sent into plastics fusion plastification section end after being melted plasticizing, at this moment, the fiber positive feed device that is positioned at fiber/plastic blend section front end is pressed into fiber, polymer melt is under blend plasticized screw shearing force of answering and axial compressive force effect, entering fiber/plastic blend section tentatively mixes, then, enter again and strengthen the blend fluxing zone, at this moment, fiber evenly mixes under the reinforcement shear action of the mixing rotor of single-screw with plastics, and last, mixture is by the homogenizing zone and the metering section extrusion molding of corresponding blend plasticized screw.
Compact conformation of the present invention, volume is little, easy to operate, good mixing effect, improved the problem that fiber is difficult to blanking, realize fiber and the even dispersion of fluoropolymer resin in submicroscopic range scale, help improving the homogeneity of such composite two phase structure and performance, improve the physical and mechanical properties of material monolithic.Fiber time of staying in equipment is shorter, and temperature is suitable, is difficult for charing, environmental protection.
Description of drawings
Fig. 1 strengthens blend plasticizing apparatus structural representation for one embodiment of the invention wood plastic composite;
Fig. 2 is a reinforcement blend fluxing zone perspective view embodiment illustrated in fig. 1;
Fig. 3 is a reinforcement blend fluxing zone cross-sectional structure schematic diagram embodiment illustrated in fig. 1;
Fig. 4 strengthens the assembly structure schematic diagram of blend plasticizing apparatus and extruder miscellaneous part for wood plastic composite.
The specific embodiment
The invention will be further described below in conjunction with drawings and Examples.
Present embodiment comprises the identical blend plasticized screw I 14-1 of a pair of structure, blend plasticized screw II (not shown), blend plasticized screw I 14-1 and blend plasticized screw II all are divided into the plastic grain section of transporting 3, plastics fusion plastification section 4, fiber/plastic blend section 5 successively, strengthen blend fluxing zone 6, homogenizing zone 7, metering section 8, strengthen blend fluxing zone 6 and are made up of 2 mixing rotors 1 of single-screw.
The mixing rotor 1 of described single-screw is oval rotor, and shape of cross section is a tumbler shape; The mixing rotor of single-screw that is positioned at blend plasticized screw I 14-1 is when blend plasticized screw I 14-1 axis rotates, constitute the camming movement state, the mixing rotor of single-screw that is positioned at blend plasticized screw II also constitutes the camming movement state when blend plasticized screw II axis rotates.
The mixing rotor of single-screw in blend plasticized screw I 14-1 from the summit to blend plasticized screw I 14-1 axle core line and the angle the line of the mixing rotor of single-screw in blend plasticized screw II from the summit to blend plasticized screw II 14-1 axle core be 120 °.
Blend plasticized screw I 14-1, when blend plasticized screw II is rotated simultaneously, the mixing rotor of single-screw that is positioned at blend plasticized screw I 14-1 interlaces with the mixing rotor of the single-screw that is positioned at blend plasticized screw II front and back and meshes.
The assembly relation that the present invention's wood plastic composite is strengthened between blend plasticizing apparatus and the extruder miscellaneous part is: described blend plasticized screw I 14-1, blend plasticized screw II is loaded in the barrel 2, constitute double-screw structure, described fiber/plastic blend section 5 front ends are installed fiber positive feed device 15, fiber positive feed device 15 is fixed in outside the barrel 2, fiber positive feed device 15 communicates through barrel 2 fibers/plastic blend section 5, blend plasticized screw I 14-1, blend plasticized screw II end links to each other with main drive motor 9 by gearbox 10, gearbox 10 and main drive motor 9 are installed on the extruder base 13, blend plasticized screw I 14-1, blend plasticized screw II end also is equipped with plastics feeding device 12, and plastics feeding device 12 is driven by coupled feeding drive motors 11.
Claims (3)
1. a wood plastic composite is strengthened the blend plasticizing apparatus, it is characterized in that, comprise the identical blend plasticized screw I of a pair of structure, blend plasticized screw II, blend plasticized screw I and blend plasticized screw II all are divided into the plastic grain section of transporting, plastics fusion plastification section, fiber/plastic blend section successively, strengthen blend fluxing zone, homogenizing zone, metering section, strengthen the blend fluxing zone and are made up of 1～6 mixing rotor of single-screw.
2. wood plastic composite according to claim 1 is strengthened the blend plasticizing apparatus, it is characterized in that described reinforcement blend fluxing zone is made up of 2 mixing rotors of single-screw.
3. wood plastic composite according to claim 1 and 2 is strengthened the blend plasticizing apparatus, it is characterized in that the mixing rotor of described single-screw is oval rotor, and shape of cross section is a tumbler shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105130126A CN102079129A (en) | 2010-10-20 | 2010-10-20 | Wood-plastic composite reinforced blending plasticization device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105130126A CN102079129A (en) | 2010-10-20 | 2010-10-20 | Wood-plastic composite reinforced blending plasticization device |
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| Publication Number | Publication Date |
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| CN102079129A true CN102079129A (en) | 2011-06-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010105130126A Pending CN102079129A (en) | 2010-10-20 | 2010-10-20 | Wood-plastic composite reinforced blending plasticization device |
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| CN (1) | CN102079129A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104339470A (en) * | 2013-07-30 | 2015-02-11 | 莱斯特里兹压制技术有限公司 | Process for preparing a filled polymer extrudate |
| CN114506052A (en) * | 2022-02-24 | 2022-05-17 | 北京化工大学 | An interface-controllable material gene recombination blending modification technology |
| CN121004748A (en) * | 2025-10-24 | 2025-11-25 | 吉林省弗杰森汽车部件有限公司 | A composite equipment for producing raw materials for bearing bushings |
Citations (6)
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|---|---|---|---|---|
| CN1158782A (en) * | 1995-10-27 | 1997-09-10 | 波米尼公司 | Parallel-rotor mixing machine |
| CN1362320A (en) * | 2002-01-25 | 2002-08-07 | 江苏石油化工学院 | Efficient rotor for continuous twin-rotor mixer |
| EP1711322A2 (en) * | 2003-12-24 | 2006-10-18 | Xaloy, Inc. | Apparatus for plasticating thermoplastics |
| CN101020357A (en) * | 2007-03-16 | 2007-08-22 | 广东轻工职业技术学院 | Chaotic field reinforced double screw mixing and extruding process and equipment |
| CN101541494A (en) * | 2006-11-28 | 2009-09-23 | 株式会社神户制钢所 | Kneading screw, biaxial extruder and method for assembling kneading screw |
| CN201841662U (en) * | 2010-10-20 | 2011-05-25 | 曾广胜 | Wood-plastic composite material enhanced blending and plasticizing device |
-
2010
- 2010-10-20 CN CN2010105130126A patent/CN102079129A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1158782A (en) * | 1995-10-27 | 1997-09-10 | 波米尼公司 | Parallel-rotor mixing machine |
| CN1362320A (en) * | 2002-01-25 | 2002-08-07 | 江苏石油化工学院 | Efficient rotor for continuous twin-rotor mixer |
| EP1711322A2 (en) * | 2003-12-24 | 2006-10-18 | Xaloy, Inc. | Apparatus for plasticating thermoplastics |
| CN101541494A (en) * | 2006-11-28 | 2009-09-23 | 株式会社神户制钢所 | Kneading screw, biaxial extruder and method for assembling kneading screw |
| CN101020357A (en) * | 2007-03-16 | 2007-08-22 | 广东轻工职业技术学院 | Chaotic field reinforced double screw mixing and extruding process and equipment |
| CN201841662U (en) * | 2010-10-20 | 2011-05-25 | 曾广胜 | Wood-plastic composite material enhanced blending and plasticizing device |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104339470A (en) * | 2013-07-30 | 2015-02-11 | 莱斯特里兹压制技术有限公司 | Process for preparing a filled polymer extrudate |
| CN114506052A (en) * | 2022-02-24 | 2022-05-17 | 北京化工大学 | An interface-controllable material gene recombination blending modification technology |
| CN114506052B (en) * | 2022-02-24 | 2022-12-27 | 北京化工大学 | Interface-controllable material gene recombination blending modification method |
| CN121004748A (en) * | 2025-10-24 | 2025-11-25 | 吉林省弗杰森汽车部件有限公司 | A composite equipment for producing raw materials for bearing bushings |
| CN121004748B (en) * | 2025-10-24 | 2026-01-16 | 吉林省弗杰森汽车部件有限公司 | Be used for bearing bush raw and other materials production complex to equip |
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Application publication date: 20110601 |