CN102039660B - Superposed and combined type extruder - Google Patents
Superposed and combined type extruder Download PDFInfo
- Publication number
- CN102039660B CN102039660B CN2009102354457A CN200910235445A CN102039660B CN 102039660 B CN102039660 B CN 102039660B CN 2009102354457 A CN2009102354457 A CN 2009102354457A CN 200910235445 A CN200910235445 A CN 200910235445A CN 102039660 B CN102039660 B CN 102039660B
- Authority
- CN
- China
- Prior art keywords
- screw rod
- extrusion
- machine barrel
- layer
- combined type
- Prior art date
- 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.)
- Active
Links
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
- B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
- B29C48/40—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
- B29C48/435—Sub-screws
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/375—Plasticisers, homogenisers or feeders comprising two or more stages
- B29C48/38—Plasticisers, homogenisers or feeders comprising two or more stages using two or more serially arranged screws in the same barrel
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
- B29C48/40—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
- B29C48/425—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders using three or more screws
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/395—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
- B29C48/455—Screws arranged to convey material towards each other, e.g. separate screws arranged after each other and feeding in opposite directions
-
- 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
- B29C48/68—Barrels or cylinders
- B29C48/683—Barrels or cylinders for more than two screws
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention relates to a superposed and combined type extruder belonging to the field of machinery for blending modification, reactive processing, evaporating devolatilization and extrusion molding of high molecular materials. The extruder mainly comprises a transmission system, a charging system, multiple layers of extrusion systems and heat insulation systems, wherein the extrusion systems comprise a rotating distribution system, barrels, a screw rod, temperature control systems, charge ports and discharge ports; the charging system is positioned at the charge port of the barrel of a first-layer extrusion system, the discharge port of the first-layer extrusion system is communicated with the charge port of a second-layer extrusion system, the discharge port of the second-layer extrusion system is communicated with the charge port of a third-layer extrusion system, and the rest of the extrusion systems are arranged in the same way; and the transmission system controls the rotation of the screw rod by means of a rotating gear and a transition gear of the rotating distribution system, the temperature control system on the barrel of each layer controls the temperature of the corresponding section, and the heat insulation systems are arranged among the barrels. By using the superposed structure of multiple layers of extrusion systems, the invention has the advantages of large total length-diameter ratio, low processing difficulty, strong application adaptability, convenient maintenance process, favorable inter-layer rotation matching, small occupied area of the complete extruder and low cost.
Description
Technical field
The present invention relates to a kind of extruder, belong to macromolecular material blending and modifying, reaction processing, evaporation devolatilization, extrusion molding machinery field.
Background technology
Extruder is the maximum class of institute's processing materials amount in the plastic molding machinery, and owing to single screw rod, twin-screw, multi-screw extruder blend processing and extrusion molding can be produced continuously, and equipment investment is few, and output is high, thereby uses very extensive.Yet in some occasion, the development of extruder has been subject to restriction.For example some reaction extrusion molding requires residence time of material long, mixes fully, no matter present extruder is single screw rod or twin-screw and multiscrew, and draw ratio has reached the limit, so tank reactor is adopted in most reaction moulding, equipment investment is large, produces intermittently and carries out.And if screw rod lengthens again, the intensity of screw rod does not satisfy the requirement of normal production, in process of production, the time have the accident that screw rod twisted off to occur, especially for twin-screw, inner mandrel is splined shaft, screwing element is enclosed within on the spline, for the double screw extruder of minor diameter, splined shaft is very thin, holds especially flimsy part.At present, a kind of method that addresses this problem employing is that extrude on two rank, and for example: the first rank are two-rotor continuous mixer or double screw extruder, are drained into the second-order single screw extrusion machine after the mixing of materials, and second-order also can be double screw extruder certainly.This combination, the machine floor space is large, and each rank is controlled respectively, and the match and regulate of output is complicated, and the charging system of second-order will be revised, and causes this selection adaptation poor, need to make special-purpose extruder according to material feature.This scheme cost is high, is difficult to adapt to the changeable demand of material.
Summary of the invention
The object of the present invention is to provide a kind of extruder that adapts to different material, the very large occasion of draw ratio of long, screw rod of the technological requirement such as material reaction, the devolatilization time of staying especially, difficulty of processing reduces, screw strength improves, complete machine takes up an area few, and is simple in structure, cleaning and easy to adjust.
For achieving the above object, the present invention is by the following technical solutions: the lamination combined type extruder, mainly by transmission system, charging system, the extrusion system of multilayer and insulation system form, extrusion system comprises the rotation distribution system, machine barrel, screw rod, temperature control system, support system, feeding mouth and discharging opening, machine barrel one end is connected with the rotation distribution system, the other end is connected with support system, screw rod is positioned at machine barrel, one end of screw rod is connected with the rotation distribution system, rotate distribution system and drive bolt rotary, the other end of screw rod links to each other with support system and consists of two fulcrum supports; There are bearing and sealing device in support system inside, and support system is also played a supporting role to machine barrel; Temperature control system is arranged on the machine barrel, can be coated on the machine barrel outside or adopt boring or the chuck heat transfer, is used for the temperature of control machine barrel; Charging system is positioned at the feeding mouth place of the machine barrel of ground floor extrusion system, discharging opening is positioned at the machine barrel end away from feeding section of machine barrel, the discharging opening of ground floor extrusion system communicates with the feeding mouth of lower one deck, material at the ground floor extrusion system continues to mix, plastifies and reaction at second layer extrusion system after mixing, plasticizing and reaction, entered into the feeding mouth of the 3rd layer of extrusion system by the discharging opening of second layer extrusion system, require to determine the number of plies of extrusion system according to material plasticizing, mixing and reaction; Transmission system only has one, the rotation of each layer extrusion system screw rod provides jointly by rotating distribution system and support system, transmission system is connected with the screw rod of ground floor by transmitting gear, drive the ground floor bolt rotary, every increase one deck extrusion system wherein just increases a transition gear and one group of transmitting gear, and the transmitting gear of ground floor screw rod is passed to rotation by transition gear the transmitting gear of the second layer, transmits successively, make the velocity of rotation interlock of each layer screw rod, output is complementary; The side of the machine barrel of each layer extrusion system or above can set up as requested auxiliary charge door, reinforced in the machine barrel by feeding device; Temperature control system on each layer machine barrel is controlled the temperature of each section, and interlayer can be heat insulation by insulation system, and insulation system can be interstitial air, also can dose the heat-barrier materials such as asbestos, felt between the space, improves effect of heat insulation.
Lamination combined type extruder of the present invention is arranged in the operative gear that rotates distribution system can be arranged in support system, and the arrangement of gears space increases, so that the diameter of gear can increase, and then improves the intensity of gear.
The screw rod of each layer of lamination combined type extruder of the present invention can have screw head near the support system place, the screw rod of this end does not insert in the support system, screw rod is cantilever design, by material screw rod is floated in machine barrel, and support system only plays the effect of end part seal and supports the effect of machine barrel.
Lamination combined type extruder transmission system of the present invention can be connected with the transmitting gear of ground floor, also can be connected with the transmitting gear of other layers, again by the transition gear transferring power.
Lamination combined type extruder transmission system of the present invention is connected with transition gear, and the transmitting gear that drives again each layer by transition gear rotates.
Last one deck discharging opening of lamination combined type extruder of the present invention is discharge gate, and discharge gate also can be positioned on the axis direction of last one deck extrusion system screw rod, and screw rod has screw head, and this version is conducive to link to each other with follow-up subsidiary engine with head.
The machine barrel of lamination combined type extruder of the present invention is formed by connecting by multistage, if increase draw ratio, the screw rod that then machine barrel of the correspondent section of connecting again in machine barrel changes respective length gets final product.Also can realize by the number of plies that increases extrusion system.
The layout of lamination combined type extruder of the present invention is horizontal type structure or vertical structure, stack direction be arrange vertically or level about arrange, perhaps its orientation becomes 0 degree to any angle between 90 degree with horizontal plane, can parallel arrangement in the time of more than three layers, also can center on transition gear central rotation certain angle, consist of that " it " word shape is tortuous to be arranged, the servicing unit such as reinforced or exhaust outlet in the middle of being beneficial to arrange.
Lamination combined type extruder of the present invention is owing to adopting the structure of extrusion system multiple-layer stacked, the draw ratio of every layer screw rod can reduce, and the total slenderness ratio after the stack can be very long, for example every layer draw ratio is that the total slenderness ratio after 25, four stacked adding is 100, and this structure not only every layer difficulty of processing reduces greatly, screw strength improves, and integral body reached traditional extruder numerical value that is beyond one's reach, and can satisfy easily the various requirement of mixing, plasticizing and reaction, strong adaptability; Owing to only being equipped with a cover transmission system, the rotation of each layer screw rod is by rotating the distribution system transferring power, and matching is good each other; Every layer of length reduces, and the dismounting screw rod is convenient, is easy to clean and maintenance; Overlaying structure takes up an area few, and to compare cost low with multistage extruder.
Description of drawings
Fig. 1 is the three-dimensional structure schematic diagram of lamination combined type extruder of the present invention.
Fig. 2 is the two-dimensional structure schematic diagram of lamination combined type extruder of the present invention.
Fig. 3 is the rotation distribution system drive connection schematic diagram of lamination combined type extruder of the present invention, be Figure 1A-A to the drive connection schematic diagram.
Fig. 4 is that screw rod is cantilever design in the extrusion system of lamination combined type extruder of the present invention, the schematic diagram that discharge gate is axial arranged.
Among the figure: the 1-transmission system, 2-rotates distribution system, 3-charging system, 4-machine barrel, 5-screw rod, 6-temperature control system, 7-discharging opening, 8-support system, 9-feeding mouth, 10-discharge gate, 11-insulation system, 12-transmitting gear, 13-transition gear.
The specific embodiment
As depicted in figs. 1 and 2, lamination combined type extruder of the present invention, mainly formed by transmission system 1, charging system 3, multilayer extrusion system and insulation system, extrusion system comprise rotate distribution system 2,, machine barrel 4, screw rod 5, temperature control system 6, feeding mouth 9 and discharging opening 7, screw rod 5 is positioned at machine barrel 4, one end of screw rod 5 is connected with rotation distribution system 2, rotation distribution system 2 drives screw rods 5 and rotates, and the other end of screw rod 5 links to each other with support system 8 and consists of two fulcrum supports or take single pivot point suspending arm to support such as form commonly used at present.Support system 8 makes screw rod 5 rotate flexibly and support machine barrel 4 by its inner bearing and sealing device, the material of melting can not flow in the bearing of support system 8 under the protection of sealing device, temperature control system 6 is coated on machine barrel 4 outsides or adopts boring or the chuck heat transfer, the temperature that is used for control machine barrel 4, charging system 3 is positioned at feeding mouth 9 places of ground floor extrusion system machine barrel 4, discharging opening 7 is positioned at machine barrel 4 ends away from feeding section of machine barrel 4, the discharging opening 7 of ground floor extrusion system communicates with the feeding mouth 9 of lower one deck, at the material of ground floor extrusion system through mixing, continue to mix at second layer extrusion system after plasticizing and the reaction, plasticizing and reaction, entered into the feeding mouth 9 of the 3rd layer of extrusion system by the discharging opening 7 of second layer extrusion system, according to material plasticizing, mix and react the number of plies of the definite extrusion system of requirement; Transmission system 1 only has one, the rotation of each layer extrusion system screw rod 5 provides jointly by rotating distribution system 2 and support system 8, transition gear 13 shown in Figure 3 and transmitting gear 12 are arranged in the schematic diagram that rotates distribution system 2, transmission system 1 is connected with the screw rod 5 of ground floor by transmitting gear 12, driving ground floor screw rod 5 rotates, every increase one deck extrusion system just increases a transition gear 13 and one group of transmitting gear 12, the transmitting gear 12 of ground floor screw rod 5 is passed to rotation by transition gear 13 transmitting gear 12 of the second layer, transmit successively, make the velocity of rotation interlock of each layer screw rod 5, output is complementary; As requested the side of the machine barrel 4 of each layer extrusion system or above set up auxiliary charge door, interior reinforced to machine barrel 4 by feeding device; The temperature of temperature control system 6 each sections of control on each layer machine barrel 4, interlayer can be undertaken heat insulation by insulation system 11, so that the temperature between interlayer does not produce reciprocal influence, insulation system 11 can be the interstitial air of 4 of machine barrels, also can be between the space, to dose the heat-barrier material such as asbestos, to improve effect of heat insulation.
Screw rod 5 is cantilever design in last one deck extrusion system of lamination combined type extruder of the present invention shown in Figure 4, discharging opening 7 is discharge gate 10, discharge gate 10 is positioned on the axis direction of screw rod 5, and screw rod 5 has screw head, and this version is conducive to be connected with follow-up subsidiary engine with head.
The machine barrel 4 of lamination combined type extruder is formed by connecting by multistage in the present embodiment, if increase draw ratio, the screw rod 5 that then machine barrel 4 of the correspondent section of connecting again in machine barrel 4 changes respective length gets final product.
The layout of lamination combined type extruder is horizontal type structure in the present embodiment, each interlayer parallel arrangement.
Claims (10)
1. lamination combined type extruder, it is characterized in that: mainly extrusion system and the insulation system by transmission system, charging system, multilayer forms, extrusion system comprises rotation distribution system, machine barrel, screw rod, temperature control system, support system, feeding mouth and discharging opening, machine barrel one end is connected with the rotation distribution system, the other end is connected with support system, screw rod is positioned at machine barrel, one end of screw rod is connected with the rotation distribution system, rotate distribution system and drive bolt rotary, the other end of screw rod links to each other with support system and consists of two fulcrum supports; There are bearing and sealing device in support system inside, and support system is also played a supporting role to machine barrel; Temperature control system is arranged on the machine barrel; Charging system is positioned at the feeding mouth place of the machine barrel of ground floor extrusion system, discharging opening is positioned at the machine barrel end away from feeding section of machine barrel, the discharging opening of ground floor extrusion system communicates with the feeding mouth of lower one deck, the discharging opening of second layer extrusion system communicates with the feeding mouth of the 3rd layer of extrusion system, the like; Transmission system only has one, the rotation of each layer extrusion system screw rod provides jointly by rotating distribution system and support system, transmission system is connected with the screw rod of ground floor by transmitting gear, drive the ground floor bolt rotary, every increase one deck extrusion system just increases a transition gear and one group of transmitting gear, the transmitting gear of ground floor screw rod is passed to rotation by transition gear the transmitting gear of the second layer, transmits successively, makes the velocity of rotation interlock of each layer screw rod; Temperature control system on each layer machine barrel is controlled the temperature of each section, and insulation system is set between machine barrel.
2. lamination combined type extruder according to claim 1 is characterized in that: temperature control system is coated on the machine barrel outside or adopts boring or chuck conducts heat.
3. lamination combined type extruder according to claim 1 is characterized in that: insulation system is interstitial air or the heat-barrier material dosed between the space.
4. lamination combined type extruder according to claim 1 is characterized in that: the side of the machine barrel of each layer extrusion system or above set up auxiliary charge door, reinforced in the machine barrel by feeding device.
5. lamination combined type extruder according to claim 1 is characterized in that: be arranged in the operative gear that rotates distribution system and be arranged in support system.
6. lamination combined type extruder according to claim 1, it is characterized in that: screw rod has screw head near the support system place, and the screw rod of this end does not insert in the support system, and screw rod is cantilever design.
7. lamination combined type extruder according to claim 1, it is characterized in that: transmission system is connected with the transmitting gear of ground floor or is connected with the transmitting gear of other layers, again by the transition gear transferring power; Or transmission system is connected with transition gear, and the transmitting gear that drives again each layer by transition gear rotates.
8. lamination combined type extruder according to claim 1 is characterized in that machine barrel is monoblock type, or is formed by connecting by multistage.
9. lamination combined type extruder according to claim 1 is characterized in that: the discharging opening of last one deck extrusion system is discharge gate, and discharge gate is positioned on the axis direction of screw rod, and screw rod has screw head.
10. lamination combined type extruder according to claim 1, it is characterized in that: the layout of extrusion system is horizontal type structure or vertical structure, stack direction be arrange vertically or level about arrange, perhaps its orientation become with horizontal plane 0 the degree to 90 the degree between any angle; Parallel arrangement in the time of more than three layers, or around the arrangement of transition gear central rotation certain angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102354457A CN102039660B (en) | 2009-10-26 | 2009-10-26 | Superposed and combined type extruder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102354457A CN102039660B (en) | 2009-10-26 | 2009-10-26 | Superposed and combined type extruder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102039660A CN102039660A (en) | 2011-05-04 |
| CN102039660B true CN102039660B (en) | 2013-01-02 |
Family
ID=43906355
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009102354457A Active CN102039660B (en) | 2009-10-26 | 2009-10-26 | Superposed and combined type extruder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102039660B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3663069A1 (en) * | 2018-11-29 | 2020-06-10 | HB-Feinmechanik GmbH & Co.KG | Extrusion device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002264195A (en) * | 2001-03-14 | 2002-09-18 | Heisei Polymer Co Ltd | Resin rod-shaped article, and method and apparatus for manufacturing the same |
| JP2002537144A (en) * | 1999-02-16 | 2002-11-05 | ザ ダウ ケミカル カンパニー | Method and apparatus for extruding low bulk density polycarbonate material |
| 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 |
| CN201538029U (en) * | 2009-10-26 | 2010-08-04 | 北京化工大学 | Laminated combined type extruder |
-
2009
- 2009-10-26 CN CN2009102354457A patent/CN102039660B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002537144A (en) * | 1999-02-16 | 2002-11-05 | ザ ダウ ケミカル カンパニー | Method and apparatus for extruding low bulk density polycarbonate material |
| JP2002264195A (en) * | 2001-03-14 | 2002-09-18 | Heisei Polymer Co Ltd | Resin rod-shaped article, and method and apparatus for manufacturing the same |
| 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 |
| CN201538029U (en) * | 2009-10-26 | 2010-08-04 | 北京化工大学 | Laminated combined type extruder |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3663069A1 (en) * | 2018-11-29 | 2020-06-10 | HB-Feinmechanik GmbH & Co.KG | Extrusion device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102039660A (en) | 2011-05-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101362377B (en) | High-efficiency multi-screw extruder | |
| CN103624955A (en) | Complete equipment for transparent silicone adhesive reciprocating type double-stage mixing extruding machine set | |
| CN111138748A (en) | Waterproof and antibacterial packaging film and preparation process thereof | |
| CN102642289A (en) | Special extruder for manufacturing rubber | |
| CN201538029U (en) | Laminated combined type extruder | |
| CN102039660B (en) | Superposed and combined type extruder | |
| CN103978660B (en) | The Single screw extrusion chamber that melting effect is good | |
| CN102773989A (en) | Multiscrew pressurizing extruder | |
| CN206217130U (en) | A kind of thermoplastic resin conical double screw extruder special | |
| CN204136392U (en) | A kind of double screw extruder | |
| CN205969892U (en) | High syntropy screw extruder that fills | |
| CN201633185U (en) | Linear cone-shaped three-screw extruder | |
| CN207310481U (en) | A kind of coaxial-type extruder | |
| CN210174158U (en) | Homodromous straight three-screw sealant full-automatic production line | |
| CN114368079A (en) | Clean and environment-friendly continuous production line for preparing reclaimed rubber and preparation method | |
| CN206926120U (en) | A kind of incorgruous continuous mixing extruder of triple-spool | |
| CN203048033U (en) | Heat-preservation-type anti-blocking spiral conveyer | |
| CN102776579B (en) | Continuous adjustable and controllable water vapor sealing type double screw rod extruder | |
| CN206937932U (en) | A kind of new type rubber alloy extrusion shaping machine | |
| CN206796504U (en) | A kind of multiscrew planetary extruder | |
| CN206051907U (en) | The special response type feeding machines of TPU | |
| CN104149305A (en) | Efficient mixing extruder with screw rod distributed annularly in different directions | |
| CN106903815A (en) | A kind of incorgruous continuous mixing extruder of triple-spool | |
| CN205009559U (en) | Extruder with multistage material extrusion molding passageway | |
| CN218777067U (en) | Double-screw mixing extruder |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20110504 Assignee: Jiangsu Golden Material Co., Ltd. Assignor: Beijing University of Chemical Technology Contract record no.: 2013320000430 Denomination of invention: Superposed and combined type extruder Granted publication date: 20130102 License type: Common License Record date: 20130520 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model |