CN202668958U - Co-rotating twin screw extruder for long fiber reinfored thermoplitics-polypropylene (LFT-PP) material processing - Google Patents
Co-rotating twin screw extruder for long fiber reinfored thermoplitics-polypropylene (LFT-PP) material processing Download PDFInfo
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- CN202668958U CN202668958U CN2012201055760U CN201220105576U CN202668958U CN 202668958 U CN202668958 U CN 202668958U CN 2012201055760 U CN2012201055760 U CN 2012201055760U CN 201220105576 U CN201220105576 U CN 201220105576U CN 202668958 U CN202668958 U CN 202668958U
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- total length
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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
- B29C48/405—Intermeshing co-rotating screws
-
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
The utility model discloses a co-rotating twin screw extruder for a long fiber reinfored thermoplitics-polypropylene (LFT-PP) material processing. The co-rotating twin screw extruder comprises screw canisters and screws. The draw ratio of the twin screw extruder is 40: 1. The screw canisters comprise 10 sections of canister bodies, wherein a first section is a canister body with an upper opening and comprises a feed upper opening. A 9th section canister body is provided with a vacuum port, and the vacuum port is matched with a vacuum-pumping device. A 10th section is a machine head body, and the 10 sections of canister bodies except for the first section and the 9th section are closed canister bodies. When the long fiber reinfored thermoplitics (LFT) material are processed by the co-rotating twin screw extruder for the LFT-PP material machining, the plasticizing condition is good, the extruder module hole cannot be blocked, and the production can be stabilized. Particularly, good physical and mechanical properties of a LFT-PP reinforced material can be ensured. Furthermore, the extruder is stable in performance, and is capable of continuous processing. The art can be controlled in the processing process, and operation is enabled to be convenient.
Description
[technical field]
This patent relates to double screw extruder, relates in particular to a kind of intermeshing co-rotating twin-screw extruder of continuous fiber RPP plastics.
[background technology]
The intermeshing co-rotating twin-screw extruder is to extrude process equipment commonly used in the processing.Along with material modified popularizing, the application of double screw extruder and technique become a material modified requisite important ring.The core component of intermeshing co-rotating twin-screw extruder is screw rod, and double screw extruder is undertaken melting in extrusion, plasticizing, and the function of dispersion, different screw combinations has a great impact the performance of product.(be called for short: LFT-PP), at present, the technology that the problem that the continuous production of LFT-PP material runs into is is perfect not for the continuous fiber reinforced polypropylene plastics, easily stop up head during production, the bad control of production process, properties of product are difficult to stable problem, well industrialization.
[summary of the invention]
The technical problem that this patent will solve provide a kind of for LFT-PP materials processing to go out performance good, produce stable product, the intermeshing co-rotating twin-screw extruder that production process is convenient to control.
In order to solve the problems of the technologies described above, the technical solution adopted in the utility model is, a kind of parallel dual-screw extruding machine of processing the LFT-PP material, comprise barrel and screw rod, the draw ratio of double screw extruder is 40:1, total barrel cylindrical shell 10 joints, wherein the 1st joint comprises reinforced upper shed for the upper shed cylindrical shell; The 9th joint cylindrical shell comprises vacuum port, is furnished with the device that vacuumizes; The 10th joint is handpiece body, and the 2nd, 3,4,5,6,7,8,10 joints are the cylindrical shell of remaining silent.
The parallel dual-screw extruding machine of above-described processing LFT-PP material, the long 290mm of every joint cylindrical shell, the barrel total length is 2900mm, the screw rod total length is 2892mm.
The parallel dual-screw extruding machine of above-described processing LFT-PP, comprise blanking section, fusion plastification section, exhaust section and transportation section, the blanking section is that the 24-28%(of screw rod total length is 760mm), the fusion plastification section is the 53-56% of screw rod total length, exhaust section is the 5-7% of screw flight part total length, and the transportation section is the 11-13% of screw rod total length.
The parallel dual-screw extruding machine of above-described processing LFT-PP material, the screw rod of double screw extruder is combined by following threaded block successively: blanking section: 56/56A, 96/96*3,96/48,72/72,64/64,56/56*3; Fusion plastification section: K45/5/56*2, K60/4/56, K90/5/56,56/56*2, K30/5/64, K45/5/56, K60/4/56, K90/5/56, K45/5/96,96/96,72/72,64/64, K45/5/56, K30/7/64, K45/5/56, K90/5/56, K45/5/96,56/56*2,44/44, K45/5/56, K90/5/56,72/36L; Exhaust section: 96/96*2; Transportation section: 72/72,64/64*2,56/56*3.
The utility model double screw extruder to LFT materials processing time plasticizing all right, stifled extruder nib can steady production, particularly the LFT-PP reinforcing material all can be guaranteed good physical and mechanical properties, and stable performance is processed continuously, process technique is controlled, and is easy to operate.
[description of drawings]
Below in conjunction with the drawings and specific embodiments this patent is described in further detail.
Fig. 1 is the structural representation of the intermeshing co-rotating twin-screw extruder embodiment of the utility model processing LFT-PP material.
[specific embodiment]
In the embodiment of the intermeshing co-rotating twin-screw extruder of this patent shown in Figure 1 processing LFT-PP material, draw ratio is 40:1, the long 290mm of every joint cylindrical shell, this machine barrel cylindrical shell is totally 10 joints, wherein the 1st joint is the upper shed cylindrical shell, mainly is for the adding mixture, and the 9th joint is the cylindrical shell (original position is in the 2350mm place of machine barrel body total length) with vacuum port, is furnished with the device that vacuumizes, the 10th joint is handpiece body, the 2nd, 3,4,5,6,7,8, more than 10 joints are the cylindrical shell of remaining silent, the cylindrical shell total length is 2900mm, and the screw rod total length is 2892 mm.
Barrel each several part subregion is blanking section 1, fusion plastification section 2, exhaust section 3 and transportation section 4.Blanking section 1 is 760mm for the 26.28%(of screw rod total length (2892 mm)), fusion plastification section 2 is that the 54.36%(of screw rod total length is 1572 mm), exhaust section 3 is that the 6.64%(of screw flight part total length is 192 mm), transportation section 4 is that the 12.72%(of screw rod total length is 368 mm).
Embodiment 1: the screw rod of double screw extruder can be combined by following threaded block successively:
Blanking section: 56/56A, 96/96*3,96/48,72/72,64/64,56/56*4; Fusion plastification section: K45/5/56, K60/4/56,56/56*2,44/44, K30/5/64, K45/5/56,44/44*2, K45/5/56*2,96/96*2,72/72,64/64*2,56/56,72/36, K45/5/56, K30/7/64, K90/5/56,56/56*2, K45/5/56, K90/5/56,72/36L, exhaust section: 96/96*2; Transportation section: 72/72*3,56/56*2,44/44.
Wherein: 1) 56/56A represents that the start screw threads leement duration is 56mm, and lead is 56mm; K45/5/56*2 represents 2 kneading members, and kneading disk is 45 degree error angles to be arranged, and mediating the disc number is 5, and length is 56mm; 72/36L represents left-handed (wherein alphabetical L representative is left-handed, then represents dextrorotation without alphabetical L), and screwing element length is 36 mm, and 72/36 expression right-handed thread leement duration is 36 mm, and its length is 1/2 of 72/72 screwing element.
Example 2: the screw rod of double screw extruder is combined by following threaded block successively, wherein with the basis of embodiment 1 on the 56/56*2 of melt zone, 64/64,72/36 changes respectively K45/5/44 into, K90/5/56,30/7/64*2, other screwing elements are constant.
Blanking section: 56/56A, 96/96*3,96/48,72/72,64/64,56/56*4; Fusion plastification section: K45/5/56, K60/4/56,90/5/56,56/56,44/44, K30/5/64, K45/5/56,44/44*2, K45/5/56*2, K45/5/44,96/96*2,72/72,64/64, K30/7/64, K45/5/56, K45/5/56, K30/7/64, K90/5/56,56/56*2, K45/5/56, K90/5/56,72/36L, exhaust section: 96/96*2; Transportation section: 72/72*3,56/56*2,44/44.Wherein: 1) 56/56A represents that the start screw threads leement duration is 56mm, and lead is 56mm; K45/5/56*2 represents 2 kneading members, and kneading disk is 45 degree error angles to be arranged, and mediating the disc number is 5, and length is 56mm; 72/36L represents left-handed (wherein alphabetical L representative is left-handed, then represents dextrorotation without alphabetical L), and screwing element length is 36 mm, 72/36 expression right-handed thread element, and length is 36 mm, its length is 1/2 of 72/72 screwing element.
Example 3: the screw rod of double screw extruder is combined by following threaded block successively, this characteristics of combination is exactly to incite somebody to action on the basis of combination 2: 56/56*2,44/44*3,45/5/56 changes into respectively: K45/5/56,56/56, K60/4/56, other all no variations of K90/5/56, K45/5/96:
1. blanking section: 56/56A, 96/96*3,96/48,72/72,64/64,56/56*3; Fusion plastification section: K45/5/56*2, K60/4/56, K90/5/56,56/56*2, K30/5/64, K45/5/56, K60/4/56, K90/5/56, K45/5/96,96/96,72/72,64/64, K45/5/56, K30/7/64, K45/5/56, K90/5/56, K45/5/96,56/56*2,44/44, K45/5/56, K90/5/56,72/36L; Exhaust section: 96/96*2; Transportation section: 72/72,64/64*2,56/56*3.
Wherein: 1) 56/56A represents that the start screw threads leement duration is 56mm, and lead is 56mm; K45/5/56*2 represents 2 kneading members, and kneading disk is 45 degree error angles to be arranged, and mediating the disc number is 5, and length is 56mm; Equally, K45/5/96 represents that this type of kneading disk total length is 96 mm, and that 72/36L represents is left-handed, and (wherein alphabetical L representative is left-handed, then representing dextrorotation without alphabetical L) screwing element length is 36 mm, 72/36 expression right-handed thread element, length is 36 mm, its length is 1/2 of 72/72 screwing element.
The double screw extruder of above 3 embodiment adopts the material of following component to test: by weight, PP resin: 50 parts, 50 parts in glass fibre, and anti-yellowing change auxiliary agent, procession parameters is as follows: the main frame revolution: 200 turn, main feeding: 20HZ, screw rod respectively distinguish temperature and are respectively a district: 290 ° of C two districts: 300 ° of C three districts: 300 ° of C four districts: 300 ° of C five districts: 320 ° of C six districts: 320 ° of C seven districts: 320 ° of C eight districts: 320 ° of C heads: 330 ° of C.14 m/mins of material strip hauling speeds.
Technique for fixing and prescription in order to contrast, the PP resin adopts S700, Guangzhou petrochemical industry homopolymerization level raw material, glass fibre adopts the fine special product of length of PPG, and auxiliary agent is mainly antioxidant 1010 and 168, is the commercially available prod.
Embodiment 1-3 prepares pellet by above-mentioned technique, expected 2 hours through 120 ° of bakings, and the injection mo(u)lding test bars, it is as follows that test draws the performance table:
The present embodiment screw combinations is on the table that affects of LFT-PP (glass fiber content is 50%) performance:
When this patent is carried out industrialization at embodiment, the material plasticizing was all right when embodiment 3 produced, not stifled extruder nib, the energy steady production is particularly produced LFT-PP with embodiment 3 and is strengthened products, all can guarantee good physical and mechanical properties, stable performance, process continuously, process technique is controlled, and is easy to operate.
Above embodiment to this patent is described in detail, and has used specific case herein principle and the embodiment of this patent are set forth, and the explanation of above embodiment just is used for helping to understand method and the core concept thereof of this patent; Simultaneously, for one of ordinary skill in the art, according to thought of the present utility model, all will change in specific embodiments and applications, in sum, this description should not be construed as the restriction to this patent.
Claims (4)
1. a parallel dual-screw extruding machine of processing the LFT-PP material comprises barrel and screw rod, it is characterized in that, the draw ratio of double screw extruder is 40:1, total barrel cylindrical shell 10 joints, and wherein the 1st joint comprises reinforced upper shed for the upper shed cylindrical shell; The 9th joint cylindrical shell comprises vacuum port, is furnished with the device that vacuumizes; The 10th joint is handpiece body, and the 2nd, 3,4,5,6,7,8,10 joints are the cylindrical shell of remaining silent.
2. the parallel dual-screw extruding machine of processing LFT-PP material according to claim 1 is characterized in that, the long 290mm of every joint cylindrical shell, and the barrel total length is 2900mm, the screw rod total length is 2892mm.
3. the parallel dual-screw extruding machine of processing according to claim 1 LFT-PP material, it is characterized in that, comprise blanking section, fusion plastification section, exhaust section and transportation section, the blanking section is the 24-28% of screw rod total length, the fusion plastification section is the 53-56% of screw rod total length, exhaust section is the 5-7% of screw flight part total length, and the transportation section is the 11-13% of screw rod total length.
4. the parallel dual-screw extruding machine of processing according to claim 3 LFT-PP material, it is characterized in that, the screw rod of double screw extruder is combined by following threaded block successively: blanking section: 56/56A, 96/96*3,96/48,72/72,64/64,56/56*3; Fusion plastification section: K45/5/56*2, K60/4/56, K90/5/56,56/56*2, K30/5/64, K45/5/56, K60/4/56, K90/5/56, K45/5/96,96/96,72/72,64/64, K45/5/56, K30/7/64, K45/5/56, K90/5/56, K45/5/96,56/56*2,44/44, K45/5/56, K90/5/56,72/36L; Exhaust section: 96/96*2; Transportation section: 72/72,64/64*2,56/56*3; Wherein, 56/56A represents that the start screw threads leement duration is 56mm, and lead is 56mm; K45/5/56*2 represents 2 kneading members, and kneading disk is 45 degree error angles to be arranged, and mediating the disc number is 5, and length is 56mm; K45/5/96 represents that this type of kneading disk total length is 96 mm, and the alphabetical L among the 72/36L represents left-handed, and screwing element length is 36 mm, and its length is 1/2 of 72/72 screwing element.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201055760U CN202668958U (en) | 2012-03-20 | 2012-03-20 | Co-rotating twin screw extruder for long fiber reinfored thermoplitics-polypropylene (LFT-PP) material processing |
| PCT/CN2013/072905 WO2013139264A1 (en) | 2012-03-20 | 2013-03-20 | Co-rotating twin screw extruder for processing lft-pp material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201055760U CN202668958U (en) | 2012-03-20 | 2012-03-20 | Co-rotating twin screw extruder for long fiber reinfored thermoplitics-polypropylene (LFT-PP) material processing |
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| Publication Number | Publication Date |
|---|---|
| CN202668958U true CN202668958U (en) | 2013-01-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012201055760U Expired - Lifetime CN202668958U (en) | 2012-03-20 | 2012-03-20 | Co-rotating twin screw extruder for long fiber reinfored thermoplitics-polypropylene (LFT-PP) material processing |
Country Status (2)
| Country | Link |
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| CN (1) | CN202668958U (en) |
| WO (1) | WO2013139264A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013139264A1 (en) * | 2012-03-20 | 2013-09-26 | 深圳市科聚新材料有限公司 | Co-rotating twin screw extruder for processing lft-pp material |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113895016B (en) * | 2021-09-07 | 2024-03-15 | 广州华新科智造技术有限公司 | Double-screw combination and processing technology for melting modification processing of polyvinyl alcohol material |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10258424A (en) * | 1997-01-17 | 1998-09-29 | Kishimoto Sangyo Kk | Glass fiber reinforced polypropylene resin and its manufacture |
| JP2000037765A (en) * | 1998-07-23 | 2000-02-08 | Asahi Glass Co Ltd | Method for molding resin composition containing glass fiber, and molding |
| CN201317095Y (en) * | 2008-10-29 | 2009-09-30 | 广州科苑新型材料有限公司 | Polylactic acid/starch volume-increasing blending extruder |
| CN202144108U (en) * | 2011-06-24 | 2012-02-15 | 广州市合诚化学有限公司 | Extruding machine with two screw rods engaging in the same direction |
| CN102311585A (en) * | 2011-09-13 | 2012-01-11 | 无锡利保科技发展有限公司 | Long glass fiber reinforced polypropylene composite material and preparation method thereof |
| CN202668958U (en) * | 2012-03-20 | 2013-01-16 | 深圳市科聚新材料有限公司 | Co-rotating twin screw extruder for long fiber reinfored thermoplitics-polypropylene (LFT-PP) material processing |
-
2012
- 2012-03-20 CN CN2012201055760U patent/CN202668958U/en not_active Expired - Lifetime
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- 2013-03-20 WO PCT/CN2013/072905 patent/WO2013139264A1/en active Application Filing
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013139264A1 (en) * | 2012-03-20 | 2013-09-26 | 深圳市科聚新材料有限公司 | Co-rotating twin screw extruder for processing lft-pp material |
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| WO2013139264A1 (en) | 2013-09-26 |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: XU DONG Free format text: FORMER OWNER: SHENZHEN KEJU NEW MATERIAL CO., LTD. Effective date: 20141015 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 518000 SHENZHEN, GUANGDONG PROVINCE TO: 518101 SHENZHEN, GUANGDONG PROVINCE |
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| TR01 | Transfer of patent right |
Effective date of registration: 20141015 Address after: 518101, Guangdong, Shenzhen province Baoan District Xin'an street, No. 74, No. 13, Plaza building, Plaza Patentee after: Xu Dong Address before: 518000 Guangdong, Baoan District, Fuyong Town, Fu Qiao Industrial Zone, the three phase of the two phase A19 building Patentee before: Shenzhen Keju New Material Co., Ltd. |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Co-rotating twin screw extruder for long fiber reinfored thermoplitics-polypropylene (LFT-PP) material processing Effective date of registration: 20150817 Granted publication date: 20130116 Pledgee: China Everbright Bank Shenzhen branch Pledgor: Xu Dong Registration number: 2015990000680 |
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| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20161202 Granted publication date: 20130116 Pledgee: China Everbright Bank Shenzhen branch Pledgor: Xu Dong Registration number: 2015990000680 |
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| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130116 |