CN204955364U - A extruder for processing fine reinforced materials of glass - Google Patents
A extruder for processing fine reinforced materials of glass Download PDFInfo
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- CN204955364U CN204955364U CN201520425140.3U CN201520425140U CN204955364U CN 204955364 U CN204955364 U CN 204955364U CN 201520425140 U CN201520425140 U CN 201520425140U CN 204955364 U CN204955364 U CN 204955364U
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Abstract
The utility model discloses an extruder for processing fine reinforced materials of glass, the extruder is meshing syntropy double screw extruder, and it includes barrel and twin -screw, it is used for adding the fine side feed inlet of glass respectively to set up one on the pentamera of barrel and the 7th section, the twin -screw comprises spindle tandem meshing nature screw rod component, lies in on the screw rod at side feed inlet rear first group and mediates the piece and lie in two and incline between the feed inlets. The utility model discloses a glass fibre is added to the secondary of two side feed inlets, has increased resin and fibrous mixture, and it is more even to make the glass fibre distribute in the resin, improves compound resin material's mechanical properties to reduce the cost of material.
Description
Technical field
The utility model relates to plastic extrusion modification field, particularly relates to a kind of extruder for processing glass fiber reinforced materials.
background technology:
Polypropylene material, due to advantages such as cost is low, quality is light, chemical-resistance is good, processing characteristics is excellent, easy recovery, is widely used in automobile and household electric appliances in recent years; But the mechanical performance of polypropylene material and heat resistance are not high, are greatly improved by the mechanical performance and heat resistance adding the enhanced polypropylene of fortifying fibre, and reach the performance of even superelevation metal material in some aspects.
In addition, polyamide (PA the is commonly called as nylon) requirement that meets the lightweight of downstream industry goods with substituted metal, reduce costs.PA has good combination property, comprise mechanical property, heat resistance, mar proof, chemical proofing and self lubricity, and coefficient of friction is low, there is certain anti-flammability, be easy to processing, nylon is that a kind of engineering plastics of excellent performance are mainly used in home appliance component, electronics and mechanotronics product as plug, line etc., also for the production of the parts in automobile and instrument, sports goods, conveyance conduit, medical equipment, polyamide tape, polyamide film and fabric etc.If add the glass fibre of 30% through double-screw extruding pelletizing at nylon, the mechanical property of nylon, dimensional stability, heat resistance, ageing-resistant performance can be made to be significantly improved, endurance life is 2.5 times that do not strengthen, and excellent mechanical strength is entered one and expanded its range of application.
The processing method of the materials such as short fiber fiber glass reinforced polypropylene, fiber glass reinforced polyamide is all prepared by twin-screw extrusion processing method, but existing double screw extruder normally Section five or Section of six cylindrical shell is provided with a side spout producing when short fiber strengthens product, adds short fiber by side feeding machine.But this extruder is unfavorable for the mixing of glass when producing the product of glass fiber content more than 30%, glass fiber content more than 40% is difficult to normal process and production capacity is lower.
utility model content:
The purpose of this utility model is to provide a kind of extruder for processing glass fiber reinforced materials.
For processing an extruder for glass fiber reinforced materials, described extruder is meshing co rotating twin screw extrusion, and it comprises cylindrical shell and twin-screw, Section five of described cylindrical shell and Section seven is respectively offered one for adding the side spout of glass; Described twin-screw is made up of the engagement property of tandem on mandrel screw element, and on the screw rod at spout rear, side, first group of kneading block is between two side spouts.
The draw ratio of described twin-screw is 40:1-48:1.
The engine speed of described extruder is 400-500 rev/min.
The protelum of described cylindrical shell offers vacuum port, and described vacuum port is connected with the vavuum pump that vacuum is-0.04 ~-0.1MPa.
Adopt and utilize the step of this device processing fiber glass reinforced polypropylene as follows:
(1) auxiliary agent of polypropylene and necessity is taken in proportion in high-speed mixer and mixing;
(2) mixture mixed is added extruder from main spout, then glass is added in the ratio of 1:1 from two side spout, through melting, vacuum exhaust, extrude, cool, pelletizing obtains plastic composite.
Adopt and utilize the step of this device processing fiber glass reinforced polyamide as follows:
(1) auxiliary agent of nylon and necessity is taken in proportion in high-speed mixer and mixing;
(2) mixture mixed is added extruder from main spout, then glass is added in the ratio of 1:1 from two side spout, through melting, vacuum exhaust, extrude, cool, pelletizing obtains plastic composite.
The beneficial effects of the utility model are:
1, the utility model offers a side spout respectively on Section five and Section of seven cylindrical shell, adopts bilateral feeding secondary to add short fiber, make short fiber and mixed with resin more evenly, disperse more rationally, thus the mechanical performance of raising composite resin material.
2, the utility model divides secondary to add short fiber by two side spouts, can improve the fiber content in material, and fiber content can reach 50% or higher, thus reduces the cost of material.
3, first group of kneading block at spout rear, side on the screw rod in the utility model is arranged between two side spouts, thus is conducive to resin and mixes with the secondary of glass.
accompanying drawing illustrates:
Fig. 1 is cylindrical shell in the utility model and screw stem combined structure schematic diagram;
Fig. 2 is existing cylindrical shell and screw stem combined structure schematic diagram.
The main spout of 1-in figure, 2-exhaust outlet, 3-vacuum port, 4-first side spout, 5-second side spout, 6-first group of kneading block.
detailed description of the invention:
Below in conjunction with some embodiments and comparative example, the utility model is described in further detail.Following examples are typical case of the present utility model, and protection domain of the present utility model is not limited thereto.
A kind of extruder for processing glass fiber reinforced materials, described extruder is meshing co rotating twin screw extrusion, it comprises cylindrical shell and twin-screw, as shown in Figure 1, Section five of cylindrical shell and Section seven is respectively offered one for adding the first side spout 4 and the second side spout 5 of glass, the upper end of the first segment of cylindrical shell is provided with main spout 1, the upper end of Section seven is provided with exhaust outlet 2, and the protelum of cylindrical shell is provided with vacuum port 3; Vacuum port is connected with the vavuum pump that vacuum is-0.04 ~-0.1MPa.Twin-screw is made up of the engagement property of tandem on mandrel screw element, and on the screw rod at spout rear, side, first group of kneading block 6 is between the first side spout 4 and the second side spout 5.The draw ratio of twin-screw is 40:1-48:1.
Further scheme, the engine speed of extruder of the present utility model is 400-500 rev/min.
This device is adopted to add man-hour, resin is added from extruder main spout 1, is delivered to the first side spout 4 place after resin melting, adds short fiber from the first side spout 4 and mix, tentatively mediate through kneading block 6, and the gas pinching middle generation is discharged air through exhaust outlet 2; Add short fiber mix from the second side spout 5 second time again, the kneading block through is below mediated again, and extracts the air extruder out from vacuum port 3, then through extruding, cooling, pelletizing obtains glass fiber reinforced materials.
Process example 1 respectively with the extruder in the utility model, wherein the type of meshing co rotating twin screw extrusion is: 52 machines, draw ratio: 44:1, engine speed 450 revs/min, vacuum-0.06MPa.
Implement 1: select 780 parts of PPS700(to raise sub-petrochemical industry, polypropylene), the PP-G1001(Puli of 20 parts is bright, compatilizer), the antioxidant 1010 (Tianjin Lik-Sang, antioxidant) of 2 parts mixing, the mixture mixed is added meshing co rotating twin screw extrusion from main spout, again that 200 parts of short fiber 305K(Chongqing are international) add from two side spouts in the ratio of 1:1, through melting, vacuum exhaust, extrude, cool, pelletizing obtains PP composite.
Be provided with a side spout and cylindrical shell Section six with the cylindrical shell Section five of existing extruder respectively to be again provided with a side spout and to process comparative example 1,2 respectively.As shown in Figure 2, side spout 4 is located on Section five of cylindrical shell, and on the screw rod being positioned at spout rear, side, first group of kneading block 6 is positioned at the rear of side spout 4, on Section five of exhaust outlet 2 cylindrical shells.
Comparative example 1: select 780 parts of PPS700(to raise sub-petrochemical industry, polypropylene), the PP-G1001(Puli of 20 parts is bright, compatilizer), the antioxidant 1010 (Tianjin Lik-Sang, antioxidant) of 2 parts mixing, the mixture mixed is added meshing co rotating twin screw extrusion from main spout, again that 200 parts of short fiber 305K(Chongqing are international) add from the first side spout, through melting, vacuum exhaust, extrude, cool, pelletizing obtains PP composite.
Comparative example 2: select 780 parts of PPS700(to raise sub-petrochemical industry, polypropylene), the PP-G1001(Puli of 20 parts is bright, compatilizer), the antioxidant 1010 (Tianjin Lik-Sang, antioxidant) of 2 parts mixing, the mixture mixed is added meshing co rotating twin screw extrusion from main spout, again that 200 parts of short fiber 305K(Chongqing are international) add from the second side spout, through melting, vacuum exhaust, extrude, cool, pelletizing obtains PP composite.
Embodiment 1 is prepared glass fiber reinforced materials with comparative example 1-2 and detects its performance respectively, shown in table 1 specific as follows:
Note: in table: tensile property carries out testing (draw speed is 50mm/min) according to ASTMD638;
Bending property carries out testing (rate of bending is 1.25mm/min) according to ASTMD790;
Simply supported beam notch shock performance is tested according to ASTMD6110,
Ash is tested according to ASTMD2584.
As apparent from upper table can, adopt extruder of the present utility model to process same glass fiber reinforced materials, the mechanical performance of polypropylene glass fiber material can be significantly improved.Also can improve production capacity in addition to greatest extent, reduce production cost, what the fiber content of material was done is higher, and application prospect is extensive.
Claims (4)
1. for processing an extruder for glass fiber reinforced materials, it is characterized in that: described extruder is meshing co rotating twin screw extrusion, and it comprises cylindrical shell and twin-screw, Section five of described cylindrical shell and Section seven respectively being offered one for adding the side spout of glass; Described twin-screw is made up of the engagement property of tandem on mandrel screw element, and on the screw rod at spout rear, side, first group of kneading block is between two side spouts.
2. extruder according to claim 1, is characterized in that: the draw ratio of described twin-screw is 40:1-48:1.
3. extruder according to claim 1, is characterized in that: the engine speed of described extruder is 400-500 rev/min.
4. extruder according to claim 1, is characterized in that: the protelum of described cylindrical shell offers vacuum port, and described vacuum port is connected with the vavuum pump that vacuum is-0.04 ~-0.1MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520425140.3U CN204955364U (en) | 2015-06-18 | 2015-06-18 | A extruder for processing fine reinforced materials of glass |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520425140.3U CN204955364U (en) | 2015-06-18 | 2015-06-18 | A extruder for processing fine reinforced materials of glass |
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| Publication Number | Publication Date |
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| CN204955364U true CN204955364U (en) | 2016-01-13 |
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| CN201520425140.3U Active CN204955364U (en) | 2015-06-18 | 2015-06-18 | A extruder for processing fine reinforced materials of glass |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107650289A (en) * | 2016-07-26 | 2018-02-02 | 江苏和伟美科技发展有限公司 | A kind of equipment for preparing high performance nylon and preparation method thereof |
| CN107650356A (en) * | 2017-10-13 | 2018-02-02 | 张家港大塚化学有限公司 | Side drawing-in device with exhaust |
| CN107650300A (en) * | 2016-07-26 | 2018-02-02 | 江苏和伟美科技发展有限公司 | A kind of equipment for preparing high-performance refractory RPP and preparation method thereof |
| CN109262883A (en) * | 2018-07-06 | 2019-01-25 | 武汉金发科技有限公司 | A kind of preparation method of glass fiber reinforced polypropylene composite material |
| CN110682520A (en) * | 2019-10-09 | 2020-01-14 | 广东轻工职业技术学院 | Preparation method of glass fiber reinforced thermoplastic resin composite material |
| CN111424371A (en) * | 2020-04-02 | 2020-07-17 | 北京化工大学 | Device and method for producing polypropylene melt-blown non-woven fabric |
| WO2022110656A1 (en) * | 2020-11-30 | 2022-06-02 | 金发科技股份有限公司 | Preparation method for toughened and reinforced polypropylene composite material |
-
2015
- 2015-06-18 CN CN201520425140.3U patent/CN204955364U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107650289A (en) * | 2016-07-26 | 2018-02-02 | 江苏和伟美科技发展有限公司 | A kind of equipment for preparing high performance nylon and preparation method thereof |
| CN107650300A (en) * | 2016-07-26 | 2018-02-02 | 江苏和伟美科技发展有限公司 | A kind of equipment for preparing high-performance refractory RPP and preparation method thereof |
| CN107650356A (en) * | 2017-10-13 | 2018-02-02 | 张家港大塚化学有限公司 | Side drawing-in device with exhaust |
| CN109262883A (en) * | 2018-07-06 | 2019-01-25 | 武汉金发科技有限公司 | A kind of preparation method of glass fiber reinforced polypropylene composite material |
| CN110682520A (en) * | 2019-10-09 | 2020-01-14 | 广东轻工职业技术学院 | Preparation method of glass fiber reinforced thermoplastic resin composite material |
| CN110682520B (en) * | 2019-10-09 | 2021-10-22 | 广东轻工职业技术学院 | Preparation method of glass fiber reinforced thermoplastic resin composite material |
| CN111424371A (en) * | 2020-04-02 | 2020-07-17 | 北京化工大学 | Device and method for producing polypropylene melt-blown non-woven fabric |
| CN111424371B (en) * | 2020-04-02 | 2021-02-26 | 北京化工大学 | Device and method for producing polypropylene melt-blown non-woven fabric |
| WO2022110656A1 (en) * | 2020-11-30 | 2022-06-02 | 金发科技股份有限公司 | Preparation method for toughened and reinforced polypropylene composite material |
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