CN103481484A - Plastic extruder with charging port stirring function - Google Patents
Plastic extruder with charging port stirring function Download PDFInfo
- Publication number
- CN103481484A CN103481484A CN201310452711.8A CN201310452711A CN103481484A CN 103481484 A CN103481484 A CN 103481484A CN 201310452711 A CN201310452711 A CN 201310452711A CN 103481484 A CN103481484 A CN 103481484A
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- CN
- China
- Prior art keywords
- threaded area
- charging aperture
- barrel
- screw thread
- plastic extruder
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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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
- B29C48/59—Screws characterised by details of the thread, i.e. the shape of a single thread of the material-feeding screw
- B29C48/595—Screws characterised by details of the thread, i.e. the shape of a single thread of the material-feeding screw the thread having non-uniform width
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/285—Feeding the extrusion material to the extruder
- B29C48/287—Raw material pre-treatment while feeding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/395—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
- B29C48/53—Screws having a varying channel depth, e.g. varying the diameter of the longitudinal screw trunk
-
- 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
- B29C48/59—Screws characterised by details of the thread, i.e. the shape of a single thread of the material-feeding screw
- B29C48/60—Thread tops
-
- 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
- B29C48/59—Screws characterised by details of the thread, i.e. the shape of a single thread of the material-feeding screw
- B29C48/615—Threads having varying helix angles
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a plastic extruder with a charging port stirring function. The plastic extruder comprises a material barrel, wherein charging ports are formed in a charging end of the material barrel; a threaded rod is arranged inside the material barrel and can rotate inside the material barrel; the charging ports adopt impeller structures; the impeller structures are connected with a motor and driven by the motor to rotate; the threaded rod is provided with a threaded structure; and the threaded structure comprises a first threaded area and a second threaded area connected with the first threaded area, the first threaded area is close to the charging end of the material barrel, the second threaded area is far away from the charging end of the material barrel, and the height of a thread of the first threaded area is higher than that of a thread of the second threaded area. The plastic extruder has good stirring and pushing effects on molten plastics, can prevent the material barrel from being blocked, and reduces the requirement for the rotational torque of the threaded rod; and the charging is rapid and convenient.
Description
Technical field
The present invention relates to plastic hot process equipment field, relate in particular to a kind of plastic extruder with charging aperture agitating function.
Background technology
Plastic extruder is that plastic heating is made it to be glutinous stream mode, in the situation that pressurization, make it mouth mould by thering is definite shape and become the similar non-individual body of cross section and mouthful mould shape then by cooling, make the plastics with certain geometrical shape and size become elastomeric state by viscous state, last cooling and shaping is glassy state, obtains needed goods.Through development for many years, plastic extruder derives twin-screw, multiscrew by original single screw rod, even without different types of machines such as screw rods.Plastic extruder (main frame) can mate with various plastic shaping subsidiary engines such as tubing, film, handful material, monofilament, flat filament, strap, crowded net, plate (sheet) material, profile shapes, granulation, cable coatings, form various plastic extruding forming production lines, produce various plastic products.
Current plastic extruder, its structure comprises: frame and be arranged on barrel, reductor and the drive motors on frame, be provided with screw rod in barrel, an end of screw rod is connected with the output shaft of reduction box.In actual use, drive motors drives the bolt rotary in barrel, by screw flight, the plastics of melting is delivered to the discharging die orifice, by the shape of discharging die orifice, extrudes various plastic products.Screw flight directly has influence on the stirring of molten plastic and releases effect, the tooth of screw thread high (the large footpath of screw thread and path overflow 1/2) is higher, mixing effect is better, the rotation torsion simultaneously needed is larger, the tooth height of screw thread is lower, to the speed to introduce of the plastics of melting is slower, even occurs that anti-glue causes the obstruction of barrel.On the other hand, the prior art efficiency reinforced by charging aperture is lower, and disposable reinforced melting and the stirring that both had been unfavorable for too much plastic material, also may cause barrel to stop up.
Summary of the invention
The object of the invention is to propose a kind of plastic extruder with charging aperture agitating function, stir and push the effective of molten plastic, and to the rotation torsion of screw rod require low.
For reaching this purpose, the present invention by the following technical solutions:
A kind of plastic extruder with charging aperture agitating function, comprise barrel, and the feed end of barrel is provided with charging aperture, be provided with screw rod in barrel, screw rod can rotate in barrel, and described charging aperture is provided with blade wheel structure, described blade wheel structure connects motor, by motor, is driven and is rotated; Described screw rod is provided with helicitic texture, described helicitic texture comprises the first threaded area, the second threaded area be connected with the first threaded area, the first threaded area is near the feed end of barrel, the second threaded area is away from the feed end of barrel, and the tooth of the tall and big screw thread in the second threaded area of the tooth of the screw thread of the first threaded area is high.
Wherein, described charging aperture comprises the first charging aperture and the second charging aperture, and the second charging aperture is positioned at the right side of the first charging aperture, and described the first charging aperture and the second charging aperture are equipped with described blade wheel structure.
Wherein, the spacing between described the first charging aperture and the second charging aperture be less than or equal to barrel length 1/3; The length of described the first threaded area is less than the length of described the second threaded area.
Wherein, the difference that the tooth of the screw thread of the tooth of the screw thread of described the first threaded area height and the second threaded area is high is the 10-20 millimeter.
Wherein, the difference that the tooth of the screw thread of the tooth of the screw thread of described the first threaded area height and the second threaded area is high is 11 millimeters.
Wherein, the screw thread of described the first threaded area is triangle thread, and the screw thread of described the second threaded area is saw-tooth thread.
Wherein, the lift angle of the screw thread of described the first threaded area is the 8-15 degree, and the lift angle of the screw thread of described the second threaded area is the 15-30 degree.
Wherein, the lift angle of the screw thread of described the first threaded area is 10 degree, and the lift angle of the screw thread of described the second threaded area is 22 degree.
Wherein, the internal diameter of the spacing=barrel of the inwall of the crest of the screw thread of described the first threaded area and barrel * 0.1.
Wherein, described barrel is provided with exhaust outlet, and described exhaust outlet comprises filter structure.
Implement the embodiment of the present invention, there is following beneficial effect:
The embodiment of the present invention is by adding blade wheel structure at charging aperture, and the plastics that are conducive to add are stirred, and makes plastic material enter more uniformly barrel, has reduced the risk of an overcharge obstruction barrel simultaneously; Charging aperture one side by the nearly feeding cylinder of screw rod at plastic extruder arranges the first threaded area that height of thread is larger, be conducive to fully stir the plastic material that enters barrel, the screw thread lower by the tooth height of the second threaded area will push to the discharging die orifice of barrel through well-beaten plastics, lowered the requirement to bolt rotary torsion.Save energy, improved the quality of product.
The accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, below will the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described, apparently, the accompanying drawing the following describes is only some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation of the embodiment of a kind of plastic extruder with charging aperture agitating function of the present invention.
Fig. 2 is the structural representation of blade wheel structure in the embodiment of a kind of plastic extruder with charging aperture agitating function of the present invention.
Fig. 3 is the partial schematic diagram of A in Fig. 1 of the present invention.
The specific embodiment
Below in conjunction with accompanying drawing of the present invention, technical scheme in the embodiment of the present invention is carried out to clear, complete description, obviously, described embodiment is only a part of embodiment of the present invention, rather than whole embodiment.Embodiment based in the present invention, the every other embodiment that those of ordinary skills obtain under the prerequisite of not making creative work, belong to the scope of protection of the invention.
Refer to Fig. 1, Fig. 2 and Fig. 3, a kind of plastic extruder with charging aperture agitating function of the present embodiment, comprise barrel 1, drive motors 3 and decelerator 2, the feed end of barrel 1 is provided with charging aperture, the discharge end of barrel 1 connects the discharging die orifice, be provided with screw rod 4 in barrel 1, screw rod 4 can rotate in barrel.Described charging aperture is provided with blade wheel structure 7, and described blade wheel structure 7 connects motor, by motor, is driven and is rotated, and the plastic material added by charging aperture enters barrel after being stirred by blade wheel structure 7 more uniformly, can prevent the obstruction of barrel 1.Charging aperture described in the present embodiment comprises that the first charging aperture 11 and the second charging aperture 12, the second charging apertures 12 are positioned at the right side of the first charging aperture 11 (take Fig. 1 as with reference to putting direction), the i.e. feed end of the more close barrel 1 of the first charging aperture 11 to the second charging aperture 12.Described the first charging aperture 11 and the second charging aperture 12 are equipped with blade wheel structure 7, and the below of the blade wheel structure 7 of charging aperture also is provided with filter structure in addition, with the impurity comprised in the filtering plastic material, improve the quality of plastic product, prevent the obstruction of barrel 1 simultaneously.The optional plate blade of blade 30, curved blade or the airfoil fan of the blade wheel structure 7 of the present embodiment, preferred, the blade 30 of blade wheel structure 7 is selected plate blade.
Spacing between the first charging aperture 11 described in the present embodiment and the second charging aperture 12 be less than or equal to barrel length 1/3, with the plastic material that guarantees heating, in barrel, stirred fully and melting.By described the first charging aperture and the second charging aperture, reinforced more quick, reduced the risk due to an overcharge obstruction barrel simultaneously.Described screw rod 4 is provided with helicitic texture, described helicitic texture comprises the first threaded area 10, the second threaded area 20 be connected with the first threaded area 10, the charging aperture of the first threaded area 10 nearly barrels 1, the first threaded area 10 is positioned at the left part of screw rod 4, the second threaded area 20 is positioned at the right side part of screw rod 4, the tooth of the tall and big screw thread in the second threaded area 20 of the tooth of the screw thread of the first threaded area 10 is high, better to stir the plastic material entered, and will stir faster sufficient plastics to the propelling movement of discharging die orifice, prevent the obstruction of barrel.
In the present embodiment, the length of described the first threaded area 10 is less than the length of described the second threaded area 20, and the first threaded area 10 is located at a bit of part of screw rod 4 nearly barrel 1 charging apertures.Because the height of thread in the first threaded area 10 is larger, therefore the requirement of the longer torsion of the rotation to screw rod 4 of the first threaded area 10 is just higher.By the first threaded area 10 is set at screw rod 4, fully stirring has just entered the plastic material of barrel 1, by the second threaded area 20 is set at screw rod 4, can lower the requirement to bolt rotary torsion again, is conducive to save energy consumption.
In the present embodiment, the pitch of the screw thread of described the first threaded area 10 can be identical with the pitch of the screw thread of the second threaded area 20, also can be different from the pitch of the screw thread of the second threaded area 20.The high difference of tooth of the high screw thread with the second threaded area 20 of the tooth of the screw thread of described the first threaded area 10 is the 10-20 millimeter, and the high difference (h) of tooth that the present embodiment is preferably the high screw thread with the second threaded area 20 of the tooth of screw thread of described the first threaded area 10 is 11 millimeters.Can effectively stir and push the plastics of melting, can lower again the requirement of screw rod 4 being rotated to torsion, reduce the energy consumption of drive motors.
Wherein, the screw thread of described the first threaded area 10 is triangle thread, stirring effective; The screw thread of described the second threaded area 20 is saw-tooth thread, propelling movement effective.The screw thread of described the first threaded area 10 and the inwall of barrel are reserved with certain spacing (d), and the internal diameter of this spacing (d)=barrel 1 * 0.1 in the present embodiment, with the stirring of the plastics that are conducive to melting.
In the present embodiment, the lift angle of the screw thread of described the first threaded area 10 (a) is the 8-15 degree, and preferred, the lift angle of the screw thread of described the first threaded area 10 (a) is 10 degree; Fully to stir plastic material.The lift angle of the screw thread of described the second threaded area 20 (b) is the 15-30 degree, and preferred, the lift angle of the screw thread of described the second threaded area 20 (b) is 22 degree, better the plastics of melting are delivered to the discharging die orifice.
Further, the barrel 1 of the plastic extruder with charging aperture agitating function of the present embodiment also is provided with some exhaust outlets 5, and exhaust outlet 5 numbers of a side of barrel 1 nearly charging aperture are more than the exhaust outlet 5 of barrel 1 nearly discharge end one side.Because the plastics that enter in barrel 1 are more at air, moisture and the small molecular weight impurity of the initial stage release that is heated melting, more approach the position of discharging die orifice, air in the plastics of melting, moisture and small molecular weight impurity are fewer, therefore in the position near feed end, more exhaust outlet 5 need be set, position away from feed end only need arrange fewer purpose exhaust outlet 5, the air, moisture and the small molecular weight impurity that while being conducive in time by the plastic heating melting, produce are discharged, and can reduce to greatest extent again exhaust outlet 5 numbers on barrel 1.
Plastic extruder with charging aperture agitating function of the present invention, be provided with the heater 6 of some annulars in the periphery of barrel 1, enter into the plastics of barrel 1 for heating and melting.In the present embodiment, the temperature of the heater 6 of close charging aperture is higher than the temperature of the heater 6 of the position away from charging aperture, can guarantee that melting within a short period of time enters the plastics of barrel 1, can avoid again the discharging die orifice because excess Temperature produces more gas, affect the quality of final plastic product.
Further, the exhaust outlet 5 of the present embodiment comprises filter structure, to prevent plastics, from exhaust outlet 5, spills.
In the present embodiment, the charging aperture of barrel 1 connects feed hopper 8, and feed hopper 8 is funnel type, the convenient plastics that add; The two ends of the heater 6 of described annular connect by nut, facilitate the replacing of heater 6.
The plastic extruder with charging aperture agitating function by the above embodiment of the present invention, by at charging aperture, adding blade wheel structure, the plastics that are conducive to add are stirred, make plastic material enter more uniformly barrel, reduced the risk of plug barrel simultaneously, by the first charging aperture and two charging apertures of the second charging aperture, can feed in raw material more efficiently, further reduced the risk of an overcharge obstruction barrel; Charging aperture one side by the nearly feeding cylinder of barrel at plastic extruder arranges the first threaded area that height of thread is larger, be conducive to fully stir the plastic material that enters barrel, the screw thread lower by the tooth height of the second threaded area will push to the discharging die orifice of barrel through well-beaten plastics, lowered the requirement to bolt rotary torsion.Save energy, improved the quality of product.
Above disclosed is only preferred embodiment of the present invention, certainly can not limit with this claim scope of the present invention, therefore, all any modifications of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., still belong to the scope that the present invention is contained.
Claims (10)
1. the plastic extruder with charging aperture agitating function, comprise barrel (1), the feed end of barrel (1) is provided with charging aperture, be provided with screw rod (4) in barrel (1), screw rod (4) can rotate in barrel (1), it is characterized in that, described charging aperture is provided with blade wheel structure (7), described blade wheel structure (7) connects motor, by motor, is driven and is rotated; Described screw rod (4) is provided with helicitic texture, described helicitic texture comprises the first threaded area (10), the second threaded area (20) be connected with the first threaded area (10), the first threaded area (10) is near the feed end of barrel (1), the second threaded area (20) is away from the feed end of barrel (1), and the tooth of the tall and big screw thread in the second threaded area (20) of the tooth of the screw thread of the first threaded area (10) is high.
2. the plastic extruder with charging aperture agitating function according to claim 1, it is characterized in that, described charging aperture comprises the first charging aperture (11) and the second charging aperture (12), the second charging aperture (12) is positioned at the right side of the first charging aperture (11), and described the first charging aperture (11) and the second charging aperture (12) are equipped with described blade wheel structure (7).
3. the plastic extruder with charging aperture agitating function according to claim 2, is characterized in that, the spacing between described the first charging aperture (11) and the second charging aperture (12) be less than or equal to barrel length 1/3; The length of described the first threaded area (10) is less than the length of described the second threaded area (20).
4. the plastic extruder with charging aperture agitating function according to claim 1, is characterized in that, the difference that the tooth of the tooth height of the screw thread of described the first threaded area (10) and the screw thread of the second threaded area (20) is high is the 10-20 millimeter.
5. the plastic extruder with charging aperture agitating function according to claim 4, is characterized in that, the difference that the tooth of the tooth height of the screw thread of described the first threaded area (10) and the screw thread of the second threaded area (20) is high is 11 millimeters.
6. the plastic extruder with charging aperture agitating function according to claim 1, is characterized in that, the screw thread of described the first threaded area (10) is triangle thread, and the screw thread of described the second threaded area (20) is saw-tooth thread.
7. the plastic extruder with charging aperture agitating function according to claim 1, is characterized in that, the lift angle of the screw thread of described the first threaded area (10) is the 8-15 degree, and the lift angle of the screw thread of described the second threaded area (20) is the 15-30 degree.
8. the plastic extruder with charging aperture agitating function according to claim 1, is characterized in that, the lift angle of the screw thread of described the first threaded area (10) is 10 degree, and the lift angle of the screw thread of described the second threaded area (20) is 22 degree.
9. the plastic extruder with charging aperture agitating function according to claim 1, is characterized in that, the internal diameter of the spacing=barrel (1) of the inwall of the crest of the screw thread of described the first threaded area (10) and barrel (1) * 0.1.
10. the plastic extruder with charging aperture agitating function according to claim 1, is characterized in that, described barrel (1) is provided with exhaust outlet (5), and described exhaust outlet (5) comprises filter structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310452711.8A CN103481484A (en) | 2013-09-27 | 2013-09-27 | Plastic extruder with charging port stirring function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310452711.8A CN103481484A (en) | 2013-09-27 | 2013-09-27 | Plastic extruder with charging port stirring function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103481484A true CN103481484A (en) | 2014-01-01 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310452711.8A Pending CN103481484A (en) | 2013-09-27 | 2013-09-27 | Plastic extruder with charging port stirring function |
Country Status (1)
| Country | Link |
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| CN (1) | CN103481484A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104191587A (en) * | 2014-10-09 | 2014-12-10 | 苏州博云塑业有限公司 | Double-screw extruder |
| CN105313287A (en) * | 2014-06-26 | 2016-02-10 | 安徽旺岳木塑板材有限公司 | Single-screw extruder |
| CN110014643A (en) * | 2019-03-11 | 2019-07-16 | 华中科技大学 | A kind of more material gradient shaping molten extrusion systems for 3D printing |
| CN110142499A (en) * | 2019-04-23 | 2019-08-20 | 南昌航空大学 | One kind rubs extrusion method and device from feed paddle head, from feed paddle |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3932086A (en) * | 1973-11-13 | 1976-01-13 | Tadashi Kasamatsu | Extruder |
| US4616989A (en) * | 1977-02-17 | 1986-10-14 | Dynamit Nobel Aktiengesellschaft | Apparatus for the incorporation of glass fibers into thermoplastic synthetic resins |
| CN102975350A (en) * | 2012-12-18 | 2013-03-20 | 海龙节能环保科技南通有限公司 | Extruder screw with phase separation function |
| CN202986054U (en) * | 2013-01-05 | 2013-06-12 | 昌吉市四达节水有限责任公司 | High-efficiency plastic pipe extruder |
-
2013
- 2013-09-27 CN CN201310452711.8A patent/CN103481484A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3932086A (en) * | 1973-11-13 | 1976-01-13 | Tadashi Kasamatsu | Extruder |
| US4616989A (en) * | 1977-02-17 | 1986-10-14 | Dynamit Nobel Aktiengesellschaft | Apparatus for the incorporation of glass fibers into thermoplastic synthetic resins |
| CN102975350A (en) * | 2012-12-18 | 2013-03-20 | 海龙节能环保科技南通有限公司 | Extruder screw with phase separation function |
| CN202986054U (en) * | 2013-01-05 | 2013-06-12 | 昌吉市四达节水有限责任公司 | High-efficiency plastic pipe extruder |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105313287A (en) * | 2014-06-26 | 2016-02-10 | 安徽旺岳木塑板材有限公司 | Single-screw extruder |
| CN104191587A (en) * | 2014-10-09 | 2014-12-10 | 苏州博云塑业有限公司 | Double-screw extruder |
| CN110014643A (en) * | 2019-03-11 | 2019-07-16 | 华中科技大学 | A kind of more material gradient shaping molten extrusion systems for 3D printing |
| CN110014643B (en) * | 2019-03-11 | 2024-03-19 | 华中科技大学 | Multi-material gradient forming melt extrusion system for 3D printing |
| CN110142499A (en) * | 2019-04-23 | 2019-08-20 | 南昌航空大学 | One kind rubs extrusion method and device from feed paddle head, from feed paddle |
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Application publication date: 20140101 |