CN102310541A - Polymer material bar single screw extrusion cylinder molding method and molding device thereof - Google Patents
Polymer material bar single screw extrusion cylinder molding method and molding device thereof Download PDFInfo
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- CN102310541A CN102310541A CN201110281580A CN201110281580A CN102310541A CN 102310541 A CN102310541 A CN 102310541A CN 201110281580 A CN201110281580 A CN 201110281580A CN 201110281580 A CN201110281580 A CN 201110281580A CN 102310541 A CN102310541 A CN 102310541A
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- macromolecular material
- machine barrel
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- 238000000034 method Methods 0.000 title claims abstract description 33
- 238000001125 extrusion Methods 0.000 title claims abstract description 15
- 238000000465 moulding Methods 0.000 title abstract description 31
- 239000002861 polymer material Substances 0.000 title abstract 9
- 239000000463 material Substances 0.000 claims abstract description 92
- 230000008034 disappearance Effects 0.000 claims abstract description 16
- 238000001816 cooling Methods 0.000 claims abstract description 7
- 230000006835 compression Effects 0.000 claims description 20
- 238000007906 compression Methods 0.000 claims description 20
- 210000001161 mammalian embryo Anatomy 0.000 claims description 18
- 230000007704 transition Effects 0.000 claims description 15
- 238000007493 shaping process Methods 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 4
- 230000003068 static effect Effects 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 3
- 239000002994 raw material Substances 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 abstract description 4
- 230000000704 physical effect Effects 0.000 abstract description 3
- 239000002131 composite material Substances 0.000 abstract description 2
- -1 polytetrafluoroethylene Polymers 0.000 description 6
- 239000004698 Polyethylene Substances 0.000 description 5
- 229920000573 polyethylene Polymers 0.000 description 5
- 229920002521 macromolecule Polymers 0.000 description 4
- 239000004699 Ultra-high molecular weight polyethylene Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000005245 sintering Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 229920000785 ultra high molecular weight polyethylene Polymers 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 229920001187 thermosetting polymer Polymers 0.000 description 2
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 229920010741 Ultra High Molecular Weight Polyethylene (UHMWPE) Polymers 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000013020 embryo development Effects 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000001802 infusion Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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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
- B29C48/36—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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention relates to a polymer material bar single screw extrusion cylinder molding method and a molding device thereof. The method orderly comprises the following steps: charging from a charging seat, allowing the screw to be stationary, allowing the materials to move forward along a screw channel direction so as to be compacted gradually; allowing the polymer materials to continue moving forward with the screw channel so as to enter a screw root circle gradually-reducing section and a screw edge line disappearing section, allowing the polymer materials to change from moving along with the screw channel spiral motion into moving linearly along a direction parallel to the screw, with the disappearance of the screw root circle, allowing the polymer materials to fill a cavity of a rear cylinder so as to form a bar mold blank; under the action of the extrusion pressure, allowing the bar mold blank to perform rectilinear motion along the screw direction and to be plasticized under the action of frictional heat and the heating of a heater outside the cylinder; performing a cooling and setting process; finally realizing the continuous molding of the polymer material bars. The advantages of the invention are that: it is realized that bars of polymer materials or composite materials with poor fluidity or even no fluidity are molded by single screw continuous molding; the molded polymer material bars have maintained physical properties of the polymer materials.
Description
Technical field
The present invention relates to a kind of the macromolecular material bar single screw extruder barrel method of forming and former thereof of mobile difference.
Background technology
The forming method of macromolecular material bar mainly contains and adopts common list (two) screw extruder to combine bar head and two kinds of methods of molding sintering moulding at present.
The forming method that thermoplastic and moulding is had the macromolecular material bar of certain flowability generally adopts single (two) screw extruder to combine the bar head to come moulding, and this forming method is ripe, shaping efficiency is high, is used widely.For thermosetting plastics and this family macromolecule material of the mobile difference of moulding; Like the forming method of moulding such as bar such as ultra-high molecular weight polyethylene (UHMWPE) and polytetrafluoroethylene (PTFE) employing molding sintering, this method forming process is discontinuous, and fusion time is long; Shaping speed is 1-2m/h; Production efficiency is lower, and the unsuitable large-scale and special small-sized finished product of moulding receives certain limitation in production application.
Summary of the invention
Technical problem to be solved by this invention is to propose a kind of macromolecular material bar single screw extruder barrel method of forming and former thereof to prior art, realizes thermosetting plastics and continuous, the high-efficiency molding of this family macromolecule bar of the mobile difference of moulding.
The present invention solves the problems of the technologies described above the technical scheme that is adopted: macromolecular material bar single screw extruder barrel former; It is characterized in that including screw rod hold-down support, screw rod, charging seat, front end machine barrel, bearing, bearing block, middle machine barrel, rear end machine barrel, typing cover, casing, power input shaft and feeding ring; Described screw rod is fixed on the screw rod hold-down support; The front end machine barrel is fixed on the casing through bearing and charging seat and bearing block respectively; Middle machine barrel, rear end machine barrel and typing inner room are connected through flange and are fixed on the bearing; The place, feed(raw material)inlet of front end machine barrel is embedded with the feeding ring; Power input shaft is connected through gear and front end machine barrel, and to the front end machine barrel, described screw-rod structure is divided into transmission of power: charging compression section, compacting section, screw rod root circle converging transition and spiral shell rib straight line disappearance section; 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, and the geometrical compression ratio of screw rod reaches the physical compression ratio of macromolecular material gradually; The structure of described compacting section is: the geometrical compression ratio of screw rod greater than the physical compression ratio of macromolecular material, guarantees that macromolecular material is compacted in this section near perhaps; The structure of described screw rod root circle converging transition is: screw rod tip circle and screw rod root diameter dwindle gradually, and the unit pitch flight channel volume of its unit pitch screw channel volume and charging compression section is close; The disappear structure of section of described spiral shell rib straight line is: 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, and disappears with the disappearance of screw rod root circle.
Press such scheme, described front end machine tube inner wall has groove.
Press such scheme, described front end machine tube inner wall is installed on the supercharging liner, has groove on the supercharging liner.
Press such scheme, described groove is corresponding with the compacting section of screw rod; Machine barrel is corresponding with screw rod root circle converging transition in the middle of described, and wherein the gap should keep enough little between the spiral shell rib of the inwall of middle machine barrel and screw rod root circle converging transition, guarantees that macromolecular material moves along the screw channel direction.When macromolecular material when this section, the acting in conjunction of frictional heat in heating through heater and the macromolecular material running, plasticizing that macromolecular material has been realized preheating even local implementation.
Press such scheme, the die cavity area of section of described rear end machine barrel and spiral shell rib straight line disappear, and not have between Luo Lengchu, middle machine barrel and screw rod formed die cavity area of section identical or close for the afterbody of section.
When macromolecular material gets into spiral shell rib straight line disappearance section; The direction of motion of macromolecular material is by changing into along the rectilinear motion of parallel screw direction with the screw channel screw; Along with the disappearance of screw rod root circle, the macromolecular material that is compacted is full of the die cavity of rear end machine barrel and forms bar type embryo; When macromolecular material is carried arrival bar shaping area (typing cover); Reducing or distortion through the rear end machine barrel make macromolecular material in course of conveying, form certain resistance; Guarantee that bar type embryo obtains abundant compacting in the machine barrel of rear end; The acting in conjunction of frictional heat in heater heating and material running, the macromolecular material bar is realized plasticizing.
The macromolecular material bar list screw extrusion molding machine barrel method of forming; It is characterized in that order is carried out according to the following steps: macromolecular material is from the charging of charging seat; Screw rod is static; Under the acting in conjunction of the friction towing of the conveying extruding of feeding ring and the rotation of front end machine barrel, macromolecular material moves ahead with the screw channel direction, and macromolecular material is compacted gradually; Compacting section at screw rod; Be lined with groove in the supercharging of corresponding front end machine tube inner wall or front end machine barrel; To produce enough extrusion pressures in the compacting section, guarantee that macromolecular material continues to move ahead with screw channel, get into screw rod root circle converging transition; Screw rod tip circle and screw rod root diameter reduce gradually, and macromolecular material moves ahead with screw channel; Get into spiral shell rib straight line disappearance section, the direction of motion of macromolecular material is by changing into along the rectilinear motion of parallel screw direction with the screw channel screw, and along with the disappearance of screw rod root circle, the macromolecular material that is compacted is full of the die cavity of rear end machine barrel and forms bar type embryo; Under the effect of extrusion pressure, bar type embryo plastifies along under the acting in conjunction that the screw rod direction is done rectilinear motion and heater heats outside frictional heat, machine barrel gradually; Bar type embryo is realized the cooling and shaping process in the typing cover; Through under draw-gear, metering device and the common co-ordination of cutter sweep, realize the continuously shaped of macromolecular material bar at last.
Basic principle of the present invention is: screw rod is static, and front end machine barrel rotation is under the acting in conjunction that the conveying extruding and the friction of front end machine barrel rotation of feeding ring are pulled; Macromolecular material moves ahead with the screw channel direction; Macromolecular material is compacted gradually, in screw rod compacting section, has groove on corresponding machine barrel or the liner; To produce enough extrusion pressures at this section, guarantee that material continues to move ahead with screw channel.Get into screw rod root circle taper, screw rod tip circle external diameter and screw rod root diameter reduce gradually, and macromolecular material moves ahead with screw channel.Get into screw rod straight line disappearance section; The direction of motion of macromolecular material is by changing into along the rectilinear motion of parallel screw direction with the screw channel screw; Disappearance along with screw rod root circle; The macromolecular material that is compacted is full of the shape chamber of rear end machine barrel and forms bar type embryo, bar type embryo along the screw rod direction do rectilinear motion and outside frictional heat, machine barrel heat acting in conjunction under, gradually the plasticizing; Macromolecular material bar type embryo is realized cooling of macromolecular material bar and type-approval process in the typing cover; Through under draw-gear, metering device and the common co-ordination of cutter sweep, realize the continuously shaped of macromolecular material bar at last.
Advantage of the present invention:
(1) this invention has different moulding process with single (two) screw rod moulding of tradition macromolecule bar
The present invention has unique moulding process, its moulding process: material is from processes such as charging seat charging → compacting gradually → accurate typing → traction of compacting attitude → formation bar type embryo → plasticizing → cooling fully, cutting, stackings.The moulding process of common single screw rod moulding macromolecular material bar: material is from charging seat charging → compacting gradually → fully compacting attitude → plasticizing → form through head processes such as bar type embryo → cooling precision typing → traction, cutting, stacking.In the operation of the present invention bar type embryo forming preceding and plasticizing after, and traditional molding procedure is to realize earlier the plasticizing of macromolecular material, in head, realizes the bar moulding again;
(2) the present invention can realize mobile moment even not have mobile this family macromolecule material or the continuously shaped bar of the single screw rod of composite material by adopting
The present invention forms bar type embryo earlier and plastifies then; This moulding process guarantees that forming process does not have and must concern in the flowability of material; Even mobile very poor even do not have the mobile macromolecular material also can moulding, forming process be continuous, and shaping speed is more than 5 times of method for molding and sintering;
(3) the macromolecular material bar that obtains of institute of the present invention moulding can keep the physical property of macromolecular material
When carrying out the moulding of macromolecular material bar; Macromolecular material to the flowability difference need not carry out the flowability that process modification improves macromolecular material; Forming temperature is lower than the macromolecular material decomposition temperature simultaneously; Then the macromolecular material bar of moulding is with the performance of intact reservation macromolecular material; Table 1 is for adopting the mobile very poor pure ultra-high molecular mass polyethylene bar of moulding of the present invention, and the result shows that the pure ultra-high molecular mass polyethylene sheet material that the present invention produces has kept the original excellent properties of super high molecular weight base ethene fully.
Description of drawings
Fig. 1 is a former structural representation of the present invention;
Fig. 2 is the structural representation of screw rod among Fig. 1.
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.
Former of the present invention mainly comprises: screw rod positioning seat 1, screw rod 2, charging seat 3, gear 4, front end machine barrel 5, bearing 6, bearing block 7, middle machine barrel 8, rear end machine barrel 9, typing cover 10; Heater 11, casing 12, gear 13, charging transfer rings 14 and power input shaft 15; Described screw rod 2 is fixed on the screw rod hold-down support 1; Front end machine barrel 5 is fixed on the casing 12 through bearing 6 and charging seat 3 and bearing block 7 respectively; 10 in middle machine barrel 8, rear end machine barrel 9 and typing cover are connected through flange and are fixed on the bearing 7; The place, feed(raw material)inlet of front end machine barrel is embedded with feeding ring 14; Power input shaft 15 is connected with the front end machine barrel through gear 4, gear 13, and to the front end machine barrel, described screw rod 2 has following architectural feature with transmission of power: charging compression section 19, compacting section 18, screw rod root circle converging transition 17 and spiral shell rib straight line disappearance section 16; 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, and the geometrical compression ratio of screw rod reaches the physical compression ratio of macromolecular material gradually; The structure of described compacting section is: the geometrical compression ratio of screw rod greater than the physical compression ratio of macromolecular material, guarantees that macromolecular material is compacted in this section near perhaps; The structure of described screw rod root circle converging transition is: screw rod tip circle and screw rod root diameter dwindle gradually; The disappear structure of section of described spiral shell rib straight line is: 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, and disappears with the disappearance of screw rod root circle.
The inwall of machine barrel 5 keeps enough little with the gap of corresponding screw rod tip circle in the middle of described.
Described front end machine tube inner wall has groove or the front end machine tube inner wall is installed on the supercharging liner, has groove on the supercharging liner, improves the conveying capacity to macromolecular material, and described groove is corresponding with the compacting section of screw rod; Machine barrel is corresponding with screw rod root circle converging transition in the middle of described, and wherein the gap should keep enough little between the spiral shell rib of the inwall of middle machine barrel and screw rod root circle converging transition, guarantees that macromolecular material moves along the screw channel direction.When macromolecular material when this section, the acting in conjunction of frictional heat in heating through heater and the macromolecular material running, plasticizing that macromolecular material has been realized preheating even local implementation.
The die cavity area of section of described rear end machine barrel and spiral shell rib straight line disappear, and not have between Luo Lengchu, middle machine barrel and screw rod formed die cavity area of section identical or close for the afterbody of section.
The cross sectional shape of described typing machine barrel changes the resistance size that designs the embryogenesis of bar type through the cross sectional shape with middle machine barrel, thereby reaches the compactness of bar.
Power set, transmission device, the temperature control system that the macromolecular material bar list screw extrusion molding machine barrel method of forming needs all can adopt existing single screw extrusion machine identical device and technology, and draw-gear, metering device and cutter sweep adopt existing conventional equipment.
The macromolecular material bar list screw extrusion molding machine barrel method of forming; It is characterized in that order is carried out according to the following steps: macromolecular material is from the charging of charging seat; Screw rod is static; Under the acting in conjunction of the friction towing of the conveying extruding of feeding ring and the rotation of front end machine barrel, macromolecular material moves ahead with the screw channel direction, and macromolecular material is compacted gradually; Compacting section at screw rod; Be lined with groove in the supercharging of corresponding front end machine tube inner wall or front end machine barrel; To produce enough extrusion pressures in the compacting section, guarantee that macromolecular material continues to move ahead with screw channel, get into screw rod root circle converging transition; Screw rod tip circle and screw rod root diameter reduce gradually, and macromolecular material moves ahead with screw channel; Get into spiral shell rib straight line disappearance section, the direction of motion of macromolecular material is by changing into along the rectilinear motion of parallel screw direction with the screw channel screw, and along with the disappearance of screw rod root circle, the macromolecular material that is compacted is full of the die cavity of rear end machine barrel and forms bar type embryo; Under the effect of extrusion pressure, bar type embryo plastifies along under the acting in conjunction that the screw rod direction is done rectilinear motion and heater heats outside frictional heat, machine barrel gradually; Bar type embryo is realized the cooling and shaping process in the typing cover; Through under draw-gear, metering device and the common co-ordination of cutter sweep, realize the continuously shaped of macromolecular material bar at last.
Table 1 adopts the pure UHMWPE bar that the present invention produced to carry out the critical performance parameters examining report, show sample at aspects such as density, vicat softening temperature, wearability and dry friction coefficients intact reservation the physical property of pure UHMWPE.
The pure UHMWPE bar that table 1 is produced by the inventive method carries out the critical performance parameters examining report
| Sequence | | Remarks | |
| 1 | Sample carries out vicat softening temperature according to GB/T8802-2001 and detects, and the result is 79.3 ℃; | Consistent with 79 ℃ of the softening temperatures of mold pressing pure ultra-high | |
| 2 | Sample carries out the mortar wear rate according to QB/T2668-2004 appendix B and detects, and test result is 0.13%. | Much smaller than QB/T2668-2004 standard 0.54% | |
| 3 | Sample carries out Density Detection according to the infusion process among the GB/T1033.1-2008, and the result is 0.931g/cm 3; | In full accord with pure ultra-high molecular mass polyethylene density | |
| 4 | Decrease testing machine at pin-mill and carry out friction-wear test, dry friction coefficient is 0.09 | Consistent with mold pressing pure ultra-high molecular mass polyethylene sample 0.10 |
Claims (6)
1. macromolecular material bar single screw extruder barrel former; It is characterized in that including screw rod hold-down support (1), screw rod (2), charging seat (3), front end machine barrel (5), bearing (6), bearing block (7), middle machine barrel (8), rear end machine barrel (9), typing cover (10), casing (12), power input shaft (15) and feeding ring (14); Described screw rod (2) is fixed on the screw rod hold-down support (1); Front end machine barrel (5) is fixed on the casing (12) through bearing (6) and charging seat (3) and bearing block (7) respectively; Middle machine barrel (8), rear end machine barrel (9) and typing are overlapped and are connected through flange between (10) and are fixed on the bearing (7); The place, feed(raw material)inlet of front end machine barrel is embedded with feeding ring (14); Power input shaft (15) is connected through gear and front end machine barrel; With transmission of power to the front end machine barrel; Described screw-rod structure is divided into: charging compression section (19), compacting section (18), screw rod root circle converging transition (17) and spiral shell rib straight line disappear section (16), 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, and the geometrical compression ratio of screw rod reaches the physical compression ratio of macromolecular material gradually; The structure of described compacting section is: the geometrical compression ratio of screw rod greater than the physical compression ratio of macromolecular material, guarantees that macromolecular material is compacted in this section near perhaps; The structure of described screw rod root circle converging transition is: screw rod tip circle and screw rod root diameter dwindle gradually, and the unit pitch flight channel volume of its unit pitch screw channel volume and charging compression section is close; The disappear structure of section of described spiral shell rib straight line is: 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, and disappears with the disappearance of screw rod root circle.
2. by the described macromolecular material bar of claim 1 single screw extruder barrel former, it is characterized in that described front end machine tube inner wall has groove.
3. by the described macromolecular material bar of claim 1 single screw extruder barrel former, it is characterized in that described front end machine tube inner wall is installed on the supercharging liner, has groove on the supercharging liner.
4. by claim 2 or 3 described macromolecular material bar single screw extruder barrel formers, it is characterized in that described groove is corresponding with the compacting section of screw rod; Machine barrel is corresponding with screw rod root circle converging transition in the middle of described, and wherein the gap should keep enough little between the spiral shell rib of the inwall of middle machine barrel and screw rod root circle converging transition, guarantees that macromolecular material moves along the screw channel direction.
5. by the described macromolecular material bar of claim 4 single screw extruder barrel former, it is identical or close that the afterbody that the die cavity area of section that it is characterized in that described rear end machine barrel and spiral shell rib straight line disappear section does not have between Luo Lengchu, middle machine barrel and screw rod formed die cavity area of section.
6. the macromolecular material bar list screw extrusion molding machine barrel method of forming; It is characterized in that order is carried out according to the following steps: macromolecular material is from the charging of charging seat; Screw rod is static; Under the acting in conjunction of the friction towing of the conveying extruding of feeding ring and the rotation of front end machine barrel, macromolecular material moves ahead with the screw channel direction, and macromolecular material is compacted gradually; Compacting section at screw rod; Be lined with groove in the supercharging of corresponding front end machine tube inner wall or front end machine barrel; To produce enough extrusion pressures in the compacting section, guarantee that macromolecular material continues to move ahead with screw channel, get into screw rod root circle converging transition; Screw rod tip circle and screw rod root diameter reduce gradually, and macromolecular material moves ahead with screw channel; Get into spiral shell rib straight line disappearance section, the direction of motion of macromolecular material is by changing into along the rectilinear motion of parallel screw direction with the screw channel screw, and along with the disappearance of screw rod root circle, the macromolecular material that is compacted is full of the die cavity of rear end machine barrel and forms bar type embryo; Under the effect of extrusion pressure, bar type embryo plastifies along under the acting in conjunction that the screw rod direction is done rectilinear motion and heater heats outside frictional heat, machine barrel gradually; Bar type embryo is realized the cooling and shaping process in the typing cover; Through under draw-gear, metering device and the common co-ordination of cutter sweep, realize the continuously shaped of macromolecular material bar at last.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102815802A CN102310541B (en) | 2011-09-21 | 2011-09-21 | Polymer material bar single screw extrusion cylinder molding method and molding device thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102815802A CN102310541B (en) | 2011-09-21 | 2011-09-21 | Polymer material bar single screw extrusion cylinder molding method and molding device thereof |
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| CN102310541A true CN102310541A (en) | 2012-01-11 |
| CN102310541B CN102310541B (en) | 2013-08-07 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN106470818A (en) * | 2014-07-11 | 2017-03-01 | 科思创德国股份有限公司 | There is the hybrid element of the dispersion effect of improvement |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5446265A (en) * | 1977-09-20 | 1979-04-12 | Furukawa Electric Co Ltd:The | Mandrel for molding plastic spiral corrugated pipe |
| EP1152882A1 (en) * | 1999-02-16 | 2001-11-14 | The Dow Chemical Company | Method and apparatus for extruding polycarbonate material of low bulk density |
| CN2644148Y (en) * | 2003-08-25 | 2004-09-29 | 上海申威达机械有限公司 | Spiral cooling shroud of cylinder feeding portion |
| CN101011854A (en) * | 2007-01-31 | 2007-08-08 | 杨根源 | Manufacturing method for hot pressing extrusion of polytetrafluoroethylene steel bar and special hot pressing extrusion machine therefor |
| CN101020357A (en) * | 2007-03-16 | 2007-08-22 | 广东轻工职业技术学院 | Chaotic field reinforced double screw mixing and extruding process and equipment |
-
2011
- 2011-09-21 CN CN2011102815802A patent/CN102310541B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5446265A (en) * | 1977-09-20 | 1979-04-12 | Furukawa Electric Co Ltd:The | Mandrel for molding plastic spiral corrugated pipe |
| EP1152882A1 (en) * | 1999-02-16 | 2001-11-14 | The Dow Chemical Company | Method and apparatus for extruding polycarbonate material of low bulk density |
| CN2644148Y (en) * | 2003-08-25 | 2004-09-29 | 上海申威达机械有限公司 | Spiral cooling shroud of cylinder feeding portion |
| CN101011854A (en) * | 2007-01-31 | 2007-08-08 | 杨根源 | Manufacturing method for hot pressing extrusion of polytetrafluoroethylene steel bar and special hot pressing extrusion machine therefor |
| CN101020357A (en) * | 2007-03-16 | 2007-08-22 | 广东轻工职业技术学院 | Chaotic field reinforced double screw mixing and extruding process and equipment |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN106470818A (en) * | 2014-07-11 | 2017-03-01 | 科思创德国股份有限公司 | There is the hybrid element of the dispersion effect of improvement |
| CN106660251A (en) * | 2014-07-11 | 2017-05-10 | 科思创德国股份有限公司 | Mixing elements having an improved dispersing effect |
| CN106470818B (en) * | 2014-07-11 | 2020-01-07 | 科思创德国股份有限公司 | Mixing element with improved dispersing effect |
| CN106660251B (en) * | 2014-07-11 | 2020-01-17 | 科思创德国股份有限公司 | Mixing element with improved dispersing effect |
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| Publication number | Publication date |
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| CN102310541B (en) | 2013-08-07 |
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