CN103522511B - With the wood plastic composite material sections manufacture method of presstressed reinforcing steel - Google Patents
With the wood plastic composite material sections manufacture method of presstressed reinforcing steel Download PDFInfo
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- CN103522511B CN103522511B CN201310407536.0A CN201310407536A CN103522511B CN 103522511 B CN103522511 B CN 103522511B CN 201310407536 A CN201310407536 A CN 201310407536A CN 103522511 B CN103522511 B CN 103522511B
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- Prior art keywords
- plastic composite
- wood plastic
- reinforcing steel
- presstressed reinforcing
- storage bin
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Classifications
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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
- B29C48/285—Feeding the extrusion material to the extruder
- B29C48/287—Raw material pre-treatment while feeding
-
- 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
- B29C48/49—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using two or more extruders to feed one die or nozzle
Abstract
A kind of wood plastic composite material sections manufacture method with presstressed reinforcing steel, use and extrude wood plastic composite by a wood plastic composite extruder, plastic extruder with a special drying device drying has also extruded high strength, during melting, viscosity is large, the PET waste plastics of the recycling of large shrinkage factor is had during cooling, a set of extrusion die, bi-material is clamp-oned simultaneously one set of die shaping, the principle the PET waste plastics of fabircated shapes cooling procedure recycling is larger than wood plastic composite shrinkage factor is utilized to form presstressed reinforcing steel, after section bar is shaped, this presstressed reinforcing steel has the usefulness of deformed bar in similar concrete, increase considerably the structural effectiveness of wood plastic composite, can use as structural material separately, conservation and construction cost, the methods recycled are identical with normal wood plastic composite materials, also can not need under the condition configuring separately drying process, the PET waste plastics recycled directly is utilized.
Description
Technical field
The present invention relates to a kind of wood plastic composite material sections manufacture method with presstressed reinforcing steel.
Background technology
Wood plastic composite is a kind of is the new material of primary raw material by string and waste plastics.There is as a kind of novel, environmental protection, low-carbon (LC) the new material of typical recycling economical characteristic, be in the flourish phase at home.Owing to using agricultural crop straw in a large number and agricultural three are assorted waits plant fiber material, the good reputation that whole industry is enjoyed " afforesting without scenery with hills and waters place ".As the new material that nearly 5-6 has just grown up, limit by existing processing technology and raw material, weather resistance and the decorate properties of making material are comparatively excellent and outstanding, but shock resistance and intensity, only only have 1/4th of the similar all plastic product of use, compared with similar shape timber (pine), also 1/3rd are only had, if making wood mould to meet material uses as structural material separately, significantly must strengthen the volume of material, single from material cost calculating, just cannot practical application.So in the application of existing wood plastic composite, structure division needs to adopt steel beam column to strengthen, and adds construction and application cost.Pre-stress structural material is widely applied, in armored concrete, to the reinforcing bar Shi Hanzhang in tension material in building and various types of materials, the rigidity of structure itself can be improved, reduce vibrations and elastic deformation, improve the elastic strength of material, make resistance originally stronger.
Summary of the invention
Instant invention overcomes existing wood plastic composite can not separately as the deficiency that structural material uses in cost-effective situation, utilize co-extrusion method, in wood plastic composite processing, embedded squeezing enters another high strength, the PET waste plastics of full-bodied recycling is had during melting, utilize at this material of fabircated shapes cooling procedure principle self-assembling formation presstressed reinforcing steel larger than the shrinkage factor of wood plastic composite, after section bar is shaped, this presstressed reinforcing steel forms the usefulness of deformed bar in similar concrete, increase considerably the structural effectiveness of wood plastic composite, the wood plastic composite strengthened can be used as structural material separately, conservation and construction cost, the methods recycled are identical with normal wood plastic composite materials, also can not need under the condition configuring separately drying process, the PET waste plastics recycled directly is utilized.
Solve the scheme of its technology
The scheme that the present invention solves its technology is:
1 use extrudes wood plastic composite by a wood plastic composite extruder, plastic extruder with a special drying device drying has also extruded high strength, during melting, viscosity is large, the PET waste plastics of the recycling of large shrinkage factor is had during cooling, a set of extrusion die, the wood plastic composite material sections of presstressed reinforcing steel can be produced, the beneficial effect arranging this technical scheme is: wood plastic composite extruded by wood plastic composite extruder, there is the plastic extruder of special drying device dry and extruded high strength, during melting, viscosity is large, the PET waste plastics of the recycling of large shrinkage factor is had during cooling, bi-material is clamp-oned simultaneously one set of die shaping, namely can with lower material cost, the technique simplified, obtain the high strength with presstressed reinforcing steel, can separately as the wood plastic composite material sections that structural material uses.
2 use a plastic extruder with special drying device, this special drying device is arranged on above the charge door of plastic extruder, drying device main body is that bucket is bucket-shaped, skin is heat-insulation layer, inside is separated into by two spherical dispensers, in, lower three storage bin parts, spherical dispenser there is an arc pit, spherical dispenser is rotated by the driven by motor chain sprocket arranged outside main body, body top is charging aperture and moisture outlet, there is an air-heater outside, air-heater is communicated with in lower storage bin bottom by airduct, storage bin during lower storage bin separately has airduct to be communicated with, middle storage bin separately has airduct to be communicated with upper storage bin, be provided with material level inductor in upper storage bin to be connected with automatic charging machine electrical control part, the beneficial effect arranging this technical scheme is: this special drying device is arranged on above the charge door of plastic extruder, raw material can enter charge door by naturally hanging from gravity, drying device main body is that bucket is bucket-shaped, skin is heat-insulation layer, keep dry and not dissipate with heat, inside is separated into by two spherical dispensers, in, lower three storage bin parts, the close pressure of raw material is avoided to pile up, make dry can classification carrying out in order, what keep dry is even, spherical dispenser there is an arc pit, make the material only falling into pit just can enter next storage bin, for the reasonable feed of equivalent, spherical dispenser is rotated by the driven by motor chain sprocket arranged outside main body, be feed power, body top is charging aperture and moisture outlet, discharge for charging and moisture, there is an air-heater outside, it is dry thermal source, air-heater is communicated with in lower storage bin bottom by airduct, storage bin during lower storage bin separately has airduct to be communicated with, middle storage bin separately has airduct to be communicated with upper storage bin, make hot blast be able to rationally circulation to make full use of, be provided with material level inductor in upper storage bin to be connected with automatic charging machine electrical control part, the doses in drying device is made to be in reasonable level all the time, easily the pet waste recycled directly is utilized, simplify production technology.During work, material degradation can be caused man-hour because the moisture that contains of PET waste plastics recycled adds, moisture less than 0.5% must be dried to and just can enter extruder for shaping, when the PET waste plastics of the recycling without drying process is added upper storage bin by automatic charging equipment, namely air-heater starts working, hot blast passes through pipeline, to what driven by the driven by motor chain sprocket rotation arranged outside main body, the raw material being fed middle storage bin and lower storage bin by spherical dispenser carries out drying, residue hot blast is by upper storage bin, the moisture that drying produces is discharged by the moisture outlet on top, delivery rate is by regulating the speeds control of motor.
3 use a set of extrusion die, the PET waste plastics of the wood plastic composite that wood plastic composite extruder is extruded and the recycling that plastic extruder is extruded enters one set of die simultaneously, material of main part when wood plastic composite is shaping, the material of presstressed reinforcing steel is formed when the PET waste plastics recycled is shaping, according to different material section and application demand, the section bar extruded is contained single or multiple, the presstressed reinforcing steel of various shape or size, presstressed reinforcing steel sectional area after shaping accounts for the 5%-50% of section bar sectional area, make the wood plastic composite material sections of presstressed reinforcing steel.The effect arranging this technical scheme is: use a set of extrusion die, the PET waste plastics of the wood plastic composite that wood plastic composite extruder is extruded and the recycling that plastic extruder is extruded enters one set of die simultaneously, make shaping after section bar comprise bi-material simultaneously, material of main part when wood plastic composite is shaping, the PET waste plastics recycled forms the material of presstressed reinforcing steel, according to different material section and application demand, the section bar extruded is contained single or multiple, the presstressed reinforcing steel of various shape or size, presstressed reinforcing steel sectional area after shaping accounts for the 5%-50% of section bar sectional area, cost of material can be controlled under the prerequisite effectively meeting different demand, make have the wood plastic composite material sections of presstressed reinforcing steel be high strength can separately as structural material use wood plastic composite material sections.During work, when two kinds of raw materials are pressed against mould after fusion plastification, sizing cooling in mould, due to the string of wood plastic composite owing to the addition of about 50% in raw material, during material shaping cooling, shrinkage factor is low, when shaping, it is the material of main part of section bar, the PET waste plastics shrinkage factor recycled is large, but by material of main part coated preventions contraction during cooling, form comparatively high pre-stress, during the PET waste plastics melting of recycling, viscosity is large, the combination interface of bi-material can be allowed effectively to combine, make to be transmitted in prestressing force section bar after shaping.
The invention has the beneficial effects as follows: with lower material cost, obtain high strength can separately as structural material use wood plastic composite material sections, conservation and construction cost, the methods recycled are identical with normal wood plastic composite materials, under not needing to configure separately the condition of drying process, the PET waste plastics recycled directly is utilized.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the present invention is further described.
Accompanying drawing 1 is the wood plastic composite material sections manufacture method schematic diagram with presstressed reinforcing steel
Accompanying drawing 2 is the structural map of drying device.
Accompanying drawing 3 is extrusion die and the schematic diagram with the wood plastic composite material sections of presstressed reinforcing steel.
In accompanying drawing 1,1. with the wood plastic composite material sections of presstressed reinforcing steel, 2. extrusion die, 3. wood plastic composite extruder, 4. drying device, 5. plastic extruder.
In accompanying drawing 2,4-1. apparatus main body, 4-2. air-heater, 4-3. airduct 1,4-4. airduct 2,4-5. heat-insulation layer, 4-6. airduct 3,4-7. material level inductor, 4-8. moisture outlet, the upper storage bin of 4-9., 4-10. charging aperture, the upper spherical dispenser arc pit of 4-11., the upper spherical dispenser of 4-12., 4-13. chain sprocket, storage bin in 4-14., 4-15. motor, spherical dispenser arc pit under 4-16., spherical dispenser under 4-17., storage bin under 4-18., 5-1. plastic extruder feed opening.
In accompanying drawing 3,2. extrusion die, 1. with the wood plastic composite material sections of presstressed reinforcing steel, 1-1. wood plastic composite, 1-2. presstressed reinforcing steel.
Detailed description of the invention
In FIG, wood plastic composite extruder (3) connects extrusion die (2), drying device (4) device is on plastic extruder (5), and plastic extruder (5) connects extrusion die (2).Wood plastic composite raw material is extruded by wood plastic composite extruder (3) and is entered extrusion die (2), the PET waste plastics recycled enters extrusion die (2) by being extruded by plastic extruder (5) after drying device (4) drying, and in extrusion die (2), cooling and shaping is the wood plastic composite material sections (1) with presstressed reinforcing steel.
In fig. 2, it is outer that heat-insulation layer (4-5) is coated on apparatus main body (4-1), upper spherical dispenser (4-12), with lower spherical dispenser (4-17), apparatus main body (4-1) is separated into upper storage bin (4-9), middle storage bin (4-14) and lower storage bin (4-18), upper spherical dispenser (4-12) is processed with spherical dispenser arc pit (4-11), lower spherical dispenser (4-17) is processed with lower spherical dispenser arc pit (4-16), motor (4-15) is by spherical dispenser (4-12) in chain sprocket (4-13) connection and lower spherical dispenser (4-17), charging aperture (4-10) and moisture outlet (4-8) are arranged on the top of apparatus main body (4-1), material level inductor (4-7) device is in upper storage bin (4-9) inner side, air-heater (4-2) is communicated with lower storage bin (4-18) by airduct 1 (4-3), storage bin (4-14) and lower storage bin (4-18) during airduct 2 (4-4) is communicated with, storage bin (4-9) and middle storage bin (4-14) in airduct 3 (4-6) connection, mounted single unit system is in plastic extruder feed opening (5-1) top.First the PET waste plastics recycled enters storage bin (4-9) by charging aperture (4-10), and control inlet amount by material level inductor (4-7), heat-insulation layer (4-5) is coated on apparatus main body (4-1) skin and ensures that dry heat does not run off, motor (4-15) is by spherical dispenser (4-12) in chain sprocket (4-13) drive and lower spherical dispenser (4-17), the PET waste plastics recycled progressively enters middle storage bin (4-14) from upper storage bin (4-9) by upper spherical dispenser arc pit (4-11) and lower spherical dispenser arc pit (4-16) and enters lower storage bin (4-18) again, in the process, the hot blast provided by air-heater (4-2) is by airduct 1 (4-3), airduct 2 (4-4) and airduct 3 (4-6) are to lower storage bin (4-18), the PET waste plastics of the recycling in middle storage bin (4-14) and upper storage bin (4-9) is dry step by step, the moisture produced is discharged by moisture outlet (4-8), the PET waste plastics of dried recycling falls into plastic extruder feed opening (5-1).
In figure 3, wood plastic composite (1-1) and presstressed reinforcing steel (1-2) cooling forming in extrusion die (2) is the wood plastic composite material sections (1) with presstressed reinforcing steel.
Claims (2)
1. with the wood plastic composite material sections manufacture method of presstressed reinforcing steel, use and extrude wood plastic composite by a wood plastic composite extruder, plastic extruder with a special drying device drying has also extruded high strength, during melting, viscosity is large, the PET waste plastics of the recycling of large shrinkage factor is had during cooling, a set of extrusion die, the wood plastic composite material sections of presstressed reinforcing steel can be produced, it is characterized in that: wood plastic composite extruded by wood plastic composite extruder, there is the plastic extruder of special drying device, special drying device is wherein arranged on above the charge door of plastic extruder, drying device main body is that bucket is bucket-shaped, skin is heat-insulation layer, inside is separated into by two spherical dispensers, in, lower three storage bin parts, spherical dispenser there is an arc pit, spherical dispenser is rotated by the driven by motor chain sprocket arranged outside main body, body top is charging aperture and moisture outlet, there is an air-heater outside, air-heater is communicated with in lower storage bin bottom by airduct, storage bin during lower storage bin separately has airduct to be communicated with, middle storage bin separately has airduct to be communicated with upper storage bin, be provided with material level inductor in upper storage bin to be connected with automatic charging machine electrical control part, the plastic extruder of special drying device is dry and extruded high strength, during melting, viscosity is large, the PET waste plastics of the recycling of large shrinkage factor is had during cooling, bi-material is clamp-oned simultaneously one set of die shaping, obtain the high strength with presstressed reinforcing steel, can separately as the wood plastic composite material sections that structural material uses.
2. the wood plastic composite material sections manufacture method with presstressed reinforcing steel according to claim 1, it is characterized in that: use a set of extrusion die, the PET waste plastics of the wood plastic composite that wood plastic composite extruder is extruded and the recycling that plastic extruder is extruded enters one set of die simultaneously, material of main part when wood plastic composite is shaping, the material of presstressed reinforcing steel is formed when the PET waste plastics recycled is shaping, according to different material section and application demand, the section bar extruded is contained single or multiple, the presstressed reinforcing steel of various shape or size, presstressed reinforcing steel sectional area after shaping accounts for the 5%-50% of section bar sectional area, make the wood plastic composite material sections of presstressed reinforcing steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310407536.0A CN103522511B (en) | 2013-09-03 | 2013-09-03 | With the wood plastic composite material sections manufacture method of presstressed reinforcing steel |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310407536.0A CN103522511B (en) | 2013-09-03 | 2013-09-03 | With the wood plastic composite material sections manufacture method of presstressed reinforcing steel |
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| Publication Number | Publication Date |
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| CN103522511A CN103522511A (en) | 2014-01-22 |
| CN103522511B true CN103522511B (en) | 2016-02-03 |
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| CN201310407536.0A Expired - Fee Related CN103522511B (en) | 2013-09-03 | 2013-09-03 | With the wood plastic composite material sections manufacture method of presstressed reinforcing steel |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019079910A1 (en) * | 2017-10-27 | 2019-05-02 | Bogyo Grant Raymond | Natural plant fibre reinforced concrete |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104002457A (en) * | 2014-05-04 | 2014-08-27 | 安徽森泰塑木新材料有限公司 | Co-extrusion mold for plastic-wood composite new materials |
| CN109517402B (en) * | 2018-10-15 | 2021-09-17 | 安徽国风木塑科技有限公司 | Prestressed fiber wood-plastic floor |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201092113Y (en) * | 2007-08-28 | 2008-07-30 | 徐凌秀 | Production facility for reinforced wood-plastic composite material |
| CN101518942B (en) * | 2009-03-19 | 2011-08-10 | 南京赛旺科技发展有限公司 | Device for producing high-strength PET wood-plastic composite material by using one-step method |
| IT1396621B1 (en) * | 2009-11-25 | 2012-12-14 | Tenax Spa | METHOD FOR MANUFACTURING MADE IN WPC COMPOSITE MATERIAL |
| CN101767429B (en) * | 2010-02-11 | 2012-10-17 | 青岛华盛高新科技发展有限公司 | Extrusion forming machine for wood-plastic composite material |
| CN102825791B (en) * | 2012-09-04 | 2014-10-08 | 广州市威格林环保科技有限公司 | Production method for wood-plastic composite material |
| DE102013101667A1 (en) * | 2013-02-20 | 2014-08-21 | Papierfabrik Utzenstorf Ag | Producing wood-plastic composite material granulate, comprises manufacturing wood pulp fibers and processing to dewatered crumb material, and treating the crumb material in a refiner to produce a dried and singulated fibrous material |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019079910A1 (en) * | 2017-10-27 | 2019-05-02 | Bogyo Grant Raymond | Natural plant fibre reinforced concrete |
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