CN102358022A - Polymer material pipe single-screw continuous extrusion forming cylinder forming method and forming device thereof - Google Patents
Polymer material pipe single-screw continuous extrusion forming cylinder forming method and forming device thereof Download PDFInfo
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- CN102358022A CN102358022A CN201110217745XA CN201110217745A CN102358022A CN 102358022 A CN102358022 A CN 102358022A CN 201110217745X A CN201110217745X A CN 201110217745XA CN 201110217745 A CN201110217745 A CN 201110217745A CN 102358022 A CN102358022 A CN 102358022A
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- machine barrel
- screw rod
- material pipe
- end machine
- polymer material
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- 238000000034 method Methods 0.000 title claims abstract description 41
- 238000001125 extrusion Methods 0.000 title claims abstract description 17
- 239000002861 polymer material Substances 0.000 title abstract 12
- 230000033001 locomotion Effects 0.000 claims abstract description 18
- 238000007493 shaping process Methods 0.000 claims abstract description 7
- 230000003068 static effect Effects 0.000 claims abstract description 6
- 238000001816 cooling Methods 0.000 claims abstract description 5
- 239000000463 material Substances 0.000 claims description 51
- 239000002994 raw material Substances 0.000 claims description 31
- 210000001161 mammalian embryo Anatomy 0.000 claims description 28
- 238000000465 moulding Methods 0.000 claims description 25
- 229920002521 macromolecule Polymers 0.000 claims description 17
- 230000000694 effects Effects 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 4
- 230000006835 compression Effects 0.000 claims description 4
- 238000007906 compression Methods 0.000 claims description 4
- 239000002826 coolant Substances 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 238000000265 homogenisation Methods 0.000 claims description 3
- 239000004699 Ultra-high molecular weight polyethylene Substances 0.000 description 13
- 229920000785 ultra high molecular weight polyethylene Polymers 0.000 description 13
- 238000005516 engineering process Methods 0.000 description 10
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000000354 decomposition reaction Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000000704 physical effect Effects 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000008034 disappearance Effects 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000001802 infusion Methods 0.000 description 1
- 238000009342 intercropping Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000007669 thermal treatment Methods 0.000 description 1
Images
Classifications
-
- 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
- B29C48/63—Screws having sections without mixing elements or threads, i.e. having cylinder shaped sections
-
- 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
- B29C48/397—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 a single screw
-
- 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
- B29C48/535—Screws with thread pitch varying along the longitudinal axis
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention relates to a polymer material pipe single-screw continuous extrusion forming cylinder forming method and a forming device thereof. The method sequentially comprises the following steps that: when a screw is static, the front end cylinder provided with grooves performs a rotary movement, and drives a polymer material to move forward along with the screw grooves, such that the polymer material is compacted gradually; when the polymer material reaches the line section of the screw ridge line, the movement direction of the polymer material is parallel to the direction of the screw, and then the polymer material reaches the forming smooth rod section of the screw, the polymer material is filled in the formed spaces between the cylinder and the screw to form a polymer material pipe billet; then the billet is heated and plasticized to obtain the polymer material pipe. According to the present invention, with the shaped mandrel and the shaped sleeve, the homogenizing processes of the temperature and the geometry size of the polymer material pipe are realized; the cooling sleeve is adopted to complete the cooling and shaping process; the forming accuracy and the forming stability of the polymer material pipe billet are improved.
Description
Technical field
It is very poor to the present invention relates to melt fluidity, even does not have the macromolecular material pipe list screw rod continuous extrusion machine barrel method of forming and the former thereof of melt fluidity.
Background technology
At present, the forming method that very poor macromolecular material pipe moulding is generally adopted to flowability has: the plunger extrusion molding; Macromolecular material carries out the flow process modification, increase its moulding flowability after, take common single screw extrusion molding; The ultrahigh molecular weight polyethylene tube single screw extruder barrel method of forming.
The plunger extrusion molding can be regarded continuous sinter molding as, and this method forming process is discontinuous, and fusion time is long, and production efficiency is lower, and the unsuitable big finished product of moulding receives certain limitation in production application.
After the modification of flowability difference macromolecule raw material flow process, adopt common single screw extrusion molding, though can moulding, shaping efficiency is low, is cost to reduce properties of product simultaneously.
Patent of invention ZL200710053227.2; Patent name is " the ultrahigh molecular weight polyethylene tube single screw extruder barrel method of forming "; A kind of ultrahigh molecular weight polyethylene tube single screw extruder barrel method of forming is provided; Realization to ultrahigh molecular weight polyethylene powder under the prerequisite of not modification, the purpose of continuous extrusion ultrahigh molecular weight polyethylene tubing, the intact various premium properties of having preserved superhigh molecular weight polyethylene material of this tubing goods; Shaping speed reaches 15m/h, increases the mobile forming method of moulding far above plunger moulding and process modification.
The main technique characteristic of patent ZL200710053227.2 is in machine barrel, to realize the technological process of " charging → compacting → UHMWPE tubing type embryo forming → plasticizing "; Be different from the technological process of common extruder moulding macromolecular material pipe " charging → compacting → plasticizing → tube forming (machine barrel is outer) "; This first moulding tubing type embryo; The plasticizing process process guarantees that the moulding and the raw materials melt flowability of tubing do not have and must concern then, also can moulding even the melt fluidity of raw material is very poor.But the forms of motion of the tubing type embryo of patent ZL200710053227.2 technology institute moulding is difficult to control, and tubing type embryo rotates with screw rod on the one hand, and with screw channel intercropping linear relative movement, the absolute movement form of tubing type embryo is screw in addition.In forming process, with the reduction of the concentricity of screw rod, the geometric accuracy that causes formed space between screw rod polished rod and machine barrel to form UHMWPE tubing type embryo reduces, thereby influences the accurate typing of UHMWPE tubing and the stability of UHMWPE tube forming.
Summary of the invention
Technical problem to be solved by this invention is to propose a kind of macromolecular material pipe list screw rod continuous extrusion machine barrel method of forming to prior art; It has kept under the prerequisite of all advantages of patent ZL200710053227.2 technology, has improved forming stability and product quality.
The present invention solves the problems of the technologies described above the technical scheme that is adopted: macromolecular material pipe single screw extruder barrel former; It is characterized in that including screw rod hold-down support, charging seat, feeding ring, bearing, screw rod, front end machine barrel, gear, bearing, front end machine barrel supporting base, rear end machine barrel and typing machine barrel; Described screw rod is fixed on the screw rod hold-down support; The front end machine barrel respectively through bearing, bearing and charging seat and front end machine barrel supporting base be fixed on the support, the rear end machine barrel and the typing machine barrel be fixed on the support; The feeding ring is embedded in the place, feed(raw material)inlet of front end machine barrel; Output shaft is connected through gear and gear and front end machine barrel, with transmission of power to the front end machine barrel.
Press such scheme; Described screw-rod structure is divided into: screw rod includes charging compression section, spiral shell crest line straightway and screw rod moulding polished rod section, and wherein the structure in the charging compression section is: uniform pitch becomes spiral groove depths such as spiral groove depth, variable-pitch and variable spiral groove depth or varying pitch; Described spiral shell crest line straightway: at the afterbody of the spiral shell crest line of screw rod, the spiral shell crest line is the one section straight line that is parallel to the screw rod direction; Described screw rod moulding polished rod section: forming macromolecular material pipe type embryo place, the spiral shell crest line of screw rod disappears, and becomes polished rod.
Press such scheme; Have groove on the liner of described front end machine barrel or front end machine barrel; Described front end machine barrel rotates under the effect of extruder power; Perhaps front end machine barrel and rear end machine barrel rotate under the effect of extruder power as a whole, drive the high score raw material with screw channel direction charging compacting.
The macromolecular material pipe single screw extruder barrel method of forming; It is characterized in that order is carried out according to the following steps: screw rod is static, and the front end machine barrel that has groove rotates, and the drive macromolecule raw material moves ahead with screw channel and is compacted gradually; When macromolecule raw material arrives spiral shell crest line straightway; The direction of motion of macromolecule raw material is parallel to the direction of screw rod, the screw rod moulding polished rod section of arriving soon after, and macromolecule raw material is full of formed space formation macromolecular material pipe type embryo between machine barrel and screw rod; Under the acting in conjunction of the macromolecular material pipe type embryo of gained heat and heating spiral rod outside frictional heat, machine barrel, plasticizing obtains macromolecular material pipe gradually; Under the continuation effect of extrusion pressure, the macromolecular material pipe that is under the elastomeric state overlaps the homogenization process that realizes temperature and physical dimension through typing plug and typing then; Accomplish the cooling and shaping process through coolant jacket again, through under draw-gear, metering device and the common co-ordination of cutter sweep, realize the continuously shaped of macromolecular material pipe at last.
Basic principle of the present invention is: screw rod is static, the rotation of front end machine barrel, and the power of whole forming process comes from the rotation of front end machine barrel; Raw material gets into back → natural mode → compress attitude → complete compacting attitude → formation macromolecular material pipe type embryo from the charging seat; Its movement locus is done absolute movement along the screw channel direction; Final stage spiral shell rib is shape linearly; Direction is parallel with the screw rod direction, is with screw rod direction moving linearly with regard to the absolute movement that guarantees formed macromolecular material pipe type embryo like this, has improved the quality and the forming stability of tubing type embryo; Along with the disappearance of spiral shell rib, screw rod becomes polished rod, and this moment, the macromolecular material pipe raw material was full of between rear end machine barrel and polished rod, thereby forms tubing type embryo; Under frictional heat and the heat conducting acting in conjunction of barrel heater; When tubing type embryo arrival machine barrel front end place, tubing plastifies fully fully, accomplishes the forming process of macromolecular material pipe in machine barrel; Thereafter; In the typing machine barrel,, realize the accurate typing of macromolecular material pipe through interior platen press or outer platen press.
The present invention and patent ZL200710053227.2, denomination of invention " the ultrahigh molecular weight polyethylene tube single screw extruder barrel method of forming " is compared and is had the following advantages:
(1) guaranteed that macromolecular material pipe type embryo does absolute movement along the screw rod direction: as shown in Figure 2; Because screw rod transfixion; Rotatablely moving of front end machine barrel constantly is fed forward compacting with macromolecule raw material, and raw material is fed forward along the screw channel direction, and final stage spiral shell rib is shape linearly; Direction is parallel with the screw rod direction, and the forms of motion that guarantees formed macromolecular material pipe type embryo is with screw rod direction moving linearly;
(2) improved the stability of macromolecular material pipe type idioplasm amount and forming process: patent ZL200710053227.2 technology in forming process because the influence of the eccentric rotation of screw rod; Cause the geometric accuracy of macromolecule tubing type embryo to be difficult to guarantee; The motion of tubing type embryo in machine barrel simultaneously rotate with screw rod by it and and screw channel between relative motion synthetic; The absolute movement form of tubing type embryo is screw, and this has influenced the typing of tubing and the stability of forming process.Screw rod transfixion of the present invention, the direction of motion of tubing type embryo have improved the formed precision and the forming stability of macromolecular material pipe type embryo for to do absolute movement along the screw rod direction;
(3) patented technology of the present invention has broken through the moulding process of traditional single screw extrusion molding macromolecular material pipe on polymer tube material forming technology: promptly in machine barrel, form tubing type embryo, the technology of plasticizing more earlier.This process route guarantees that patented technology of the present invention when the moulding macromolecular material pipe, need not consider the flowability of raw material, also can moulding when very poor even mobile;
(4) macromolecular material pipe that obtains of institute of the present invention moulding can keep the physical property of raw material: when carrying out the macromolecular material shaping pipe, forming temperature is lower than the raw material decomposition temperature, and then the macromolecular material pipe of moulding is with the performance of intact reservation raw material.
Description of drawings
Fig. 1 is a former structural representation of the present invention.
The specific embodiment
Below in conjunction with accompanying drawing the present invention is done further description, but can not be construed as limiting the invention.
Embodiment 1Former of the present invention mainly comprises: screw rod hold-down support 1, charging seat 2, feeding ring 3, bearing 4, screw rod 5, front end machine barrel 6, be fixed on gear 7 on the front end machine barrel, bearing 8, front end machine barrel supporting base 9, rear end machine barrel 10 and typing machine barrel 11; Described screw rod 5 is fixed on the screw rod hold-down support 1; Front end machine barrel 6 respectively through bearing 4, bearing 8 with charging seat 2 with front end machine barrel bearing 9 is fixed on the support, rear end machine barrel 10 and typing machine barrel 11 are fixed on the support; Feeding ring 3 is embedded in the feed(raw material)inlet place of front end machine barrel, the output shaft 12 of extruder is connected with front end machine barrel 6 through gear 13 and gear 7, with transmission of power to front end machine barrel 6.
Machine barrel of the present invention is made up of front end machine barrel 6 and rear end machine barrel 10, and wherein front end machine barrel 6 rotates under the drive of gear 7, and rear end machine barrel 10 remains static.
Described screw rod 5 has following architectural feature: uniform pitch becomes spiral groove depths such as spiral groove depth, variable-pitch and variable spiral groove depth or varying pitch; Described spiral shell crest line straightway: at the afterbody of the spiral shell crest line of screw rod, the spiral shell crest line is the one section straight line that is parallel to the screw rod direction; Described screw rod moulding polished rod section: forming macromolecular material pipe type embryo place, the spiral shell crest line of screw rod disappears, and becomes polished rod.
Have groove in the front end machine barrel 6, improve conveying capacity macromolecule raw material.
Power set, transmission device, the temperature control system that the macromolecular material pipe list screw extrusion molding machine barrel method of forming needs all can adopt existing single screw extrusion machine identical device and technology.Draw-gear, metering device and cutter sweep adopt existing conventional equipment.
The macromolecular material pipe list screw extrusion molding machine barrel method of forming; Order is carried out according to the following steps: screw rod is static, and the front end machine barrel that has groove rotates, and the drive macromolecule raw material moves ahead with screw channel and is compacted gradually; When macromolecule raw material arrives spiral shell crest line straightway; The direction of motion of macromolecule raw material is parallel to the direction of screw rod, the screw rod moulding polished rod section of arriving soon after, and macromolecule raw material is full of formed space formation macromolecular material pipe type embryo between machine barrel and screw rod; Under the acting in conjunction of the macromolecular material pipe type embryo of gained heat and heating spiral rod outside frictional heat, machine barrel, plasticizing obtains macromolecular material pipe gradually; Under the continuation effect of extrusion pressure, the macromolecular material pipe that is under the elastomeric state overlaps the homogenization process that realizes temperature and physical dimension through typing plug and typing then; Accomplish the cooling and shaping process through coolant jacket again, through under draw-gear, metering device and the common co-ordination of cutter sweep, realize the continuously shaped of macromolecular material pipe at last.In the macromolecular material pipe forming process in the temperature of the thermal treatment zone all less than the decomposition temperature of macromolecular material.
Table 1 is a tubing research institute of China National Petroleum Corporation (CNPC); The pure UHMWPE tubing that the embodiment of the invention 1 is produced carries out the critical performance parameters examining report, show sample at aspects such as density, vicat softening temperature and wearabilities intact reservation the physical property of pure UHMWPE.
The pure UHMWPE tubing that the table 1 pair machine barrel method of forming is produced carries out the critical performance parameters examining report
| 1 | Sample carries out Density Detection according to the infusion process among the GB/T1033.1-2008, and the result is 0.931g/cm 3; |
| 2 | Sample carries out vicat softening temperature according to GB/T8802-2001 and detects, and the result is 76.3 ℃; |
| 3 | Sample carries out the mortar wear rate according to QB/T2668-2004 appendix B and detects, and test result is 0.14%. |
Claims (4)
1. macromolecular material pipe single screw extruder barrel former; It is characterized in that including screw rod hold-down support (1), charging seat (2), feeding ring (3), bearing (4), screw rod (5), front end machine barrel (6), gear (7), bearing (8), front end machine barrel supporting base (9), rear end machine barrel (10) and typing machine barrel (11); Described screw rod (5) is fixed on the screw rod hold-down support (1); Front end machine barrel (6) respectively through bearing (4), bearing (8) and charging seat (2) with front end machine barrel supporting base (9) is fixed on the support, rear end machine barrel (10) and the machine barrel (11) of finalizing the design are fixed on the support; Feeding ring (3) is embedded in the place, feed(raw material)inlet of front end machine barrel; Output shaft (12) is connected with front end machine barrel (6) through gear (13) and gear (7), and transmission of power is arrived on the front end machine barrel (6).
2. by the described macromolecular material pipe single screw extruder barrel of claim 1 former; It is characterized in that described screw rod (5) structure is divided into: screw rod is by charging compression section, spiral shell crest line straightway and screw rod moulding polished rod section, and wherein the structure in the charging compression section is: uniform pitch becomes spiral groove depths such as spiral groove depth, variable-pitch and variable spiral groove depth or varying pitch; Described spiral shell crest line straightway: at the afterbody of the spiral shell crest line of screw rod, the spiral shell crest line is the one section straight line that is parallel to the screw rod direction; Described screw rod moulding polished rod section: forming macromolecular material pipe type embryo place, the spiral shell crest line of screw rod disappears, and becomes polished rod.
3. by claim 1 or 2 described macromolecular material pipe single screw extruder barrel formers; It is characterized in that having groove on the liner of described front end machine barrel or front end machine barrel; Described front end machine barrel (6) rotates under the effect of extruder power; Perhaps front end machine barrel (6) and rear end machine barrel rotate under the effect of extruder power as a whole, drive the high score raw material with screw channel direction charging compacting.
4. application rights requires the macromolecular material pipe single screw extruder barrel method of forming of 1 described macromolecular material pipe single screw extruder barrel former; It is characterized in that order is carried out according to the following steps: screw rod is static; The front end machine barrel that has groove rotates; The drive macromolecule raw material moves ahead with screw channel and is compacted gradually, and when macromolecule raw material arrived spiral shell crest line straightway, the direction of motion of macromolecule raw material was parallel to the direction of screw rod; The screw rod moulding polished rod section of arriving soon after, macromolecule raw material are full of that formed space forms macromolecular material pipe type embryo between machine barrel and screw rod; Under the acting in conjunction of the macromolecular material pipe type embryo of gained heat and heating spiral rod outside frictional heat, machine barrel, plasticizing obtains macromolecular material pipe gradually; Under the continuation effect of extrusion pressure, macromolecular material pipe is realized the homogenization process of temperature and physical dimension through typing plug and typing cover then; Accomplish the cooling and shaping process through coolant jacket again, through under draw-gear, metering device and the common co-ordination of cutter sweep, realize the continuously shaped of macromolecular material pipe at last.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110217745XA CN102358022B (en) | 2011-08-01 | 2011-08-01 | Polymer material pipe single-screw continuous extrusion forming cylinder forming method and forming device thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110217745XA CN102358022B (en) | 2011-08-01 | 2011-08-01 | Polymer material pipe single-screw continuous extrusion forming cylinder forming method and forming device thereof |
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| CN102358022A true CN102358022A (en) | 2012-02-22 |
| CN102358022B CN102358022B (en) | 2013-11-13 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102975349A (en) * | 2012-09-28 | 2013-03-20 | 武汉工程大学 | Screw extrusion method for high polymer material pipe |
| CN103171117A (en) * | 2013-04-18 | 2013-06-26 | 北京化工大学 | Extrusion device of single-screw continuous extruded activated carbon filtering element |
| WO2014048179A1 (en) * | 2012-09-28 | 2014-04-03 | 武汉晓宏超高分子新材料科技有限公司 | Method and device for forming polymer material profile by using single-screw-rod extrusion cylinder |
| CN111890626A (en) * | 2020-07-06 | 2020-11-06 | 安徽和光电气设备有限公司 | Power cable sheath injection molding device and implementation method thereof |
| CN113787689A (en) * | 2021-01-05 | 2021-12-14 | 浙江枫叶管业科技股份有限公司 | High-toughness PE pipe extrusion device and production process |
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| CN101117017A (en) * | 2007-09-14 | 2008-02-06 | 武汉工程大学 | Ultrahigh molecular weight polyethylene tube single screw extruder barrel forming method and the forming device thereof |
| CN101518943A (en) * | 2009-03-19 | 2009-09-02 | 广东轻工职业技术学院 | Method and equipment for extruding macromolecular material by differential plasticizing of double rotors |
| CN201333790Y (en) * | 2008-12-24 | 2009-10-28 | 王建 | Rotating screw barrel |
| CN101992538A (en) * | 2010-08-02 | 2011-03-30 | 成都宇洋高科技发展有限责任公司 | Bidirectional single-screw extruder |
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- 2011-08-01 CN CN201110217745XA patent/CN102358022B/en active Active
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| CN101117017A (en) * | 2007-09-14 | 2008-02-06 | 武汉工程大学 | Ultrahigh molecular weight polyethylene tube single screw extruder barrel forming method and the forming device thereof |
| CN201333790Y (en) * | 2008-12-24 | 2009-10-28 | 王建 | Rotating screw barrel |
| CN101518943A (en) * | 2009-03-19 | 2009-09-02 | 广东轻工职业技术学院 | Method and equipment for extruding macromolecular material by differential plasticizing of double rotors |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102975349A (en) * | 2012-09-28 | 2013-03-20 | 武汉工程大学 | Screw extrusion method for high polymer material pipe |
| WO2014048179A1 (en) * | 2012-09-28 | 2014-04-03 | 武汉晓宏超高分子新材料科技有限公司 | Method and device for forming polymer material profile by using single-screw-rod extrusion cylinder |
| CN102975349B (en) * | 2012-09-28 | 2014-12-24 | 武汉工程大学 | Screw extrusion method for high polymer material pipe |
| CN103171117A (en) * | 2013-04-18 | 2013-06-26 | 北京化工大学 | Extrusion device of single-screw continuous extruded activated carbon filtering element |
| CN103171117B (en) * | 2013-04-18 | 2015-04-29 | 北京化工大学 | Extrusion device of single-screw continuous extruded activated carbon filtering element |
| CN111890626A (en) * | 2020-07-06 | 2020-11-06 | 安徽和光电气设备有限公司 | Power cable sheath injection molding device and implementation method thereof |
| CN111890626B (en) * | 2020-07-06 | 2022-03-22 | 安徽和光电气设备有限公司 | Power cable sheath injection molding device and implementation method thereof |
| CN113787689A (en) * | 2021-01-05 | 2021-12-14 | 浙江枫叶管业科技股份有限公司 | High-toughness PE pipe extrusion device and production process |
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| Publication number | Publication date |
|---|---|
| CN102358022B (en) | 2013-11-13 |
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