CN201538029U - Laminated combined type extruder - Google Patents
Laminated combined type extruder Download PDFInfo
- Publication number
- CN201538029U CN201538029U CN2009202466015U CN200920246601U CN201538029U CN 201538029 U CN201538029 U CN 201538029U CN 2009202466015 U CN2009202466015 U CN 2009202466015U CN 200920246601 U CN200920246601 U CN 200920246601U CN 201538029 U CN201538029 U CN 201538029U
- Authority
- CN
- China
- Prior art keywords
- screw rod
- machine barrel
- combined type
- type extruder
- layer
- 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.)
- Expired - Lifetime
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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
- B29C48/40—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
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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
- B29C48/375—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 utility model relates to a laminated combined type extruder, belonging to the mechanical fields of blending modification, reaction processing, evaporation devolatilization and extrusion molding of polymer materials. The laminated combined type extruder mainly comprises a transmission system, a feeding system, a multilayer extruding system and an insulating system, wherein the extruding system comprises a rotary distributing system, cylinders, a screw rod, temperature control systems, a feeding inlet and a discharging outlet; the feeding system is positioned at the feeding inlet position of the cylinder of the first-layer extruding system; the discharging outlet of the first-layer extruding system is communicated with the feeding inlet of the second layer; the discharging outlet of the second-layer extruding system is communicated with the feeding inlet of the third-layer extruding system; and so forth, the transmission system controls the rotation of the screw rod by a rotating gear and a transition gear; the temperature control systems on all the layers of cylinder control the temperature of all the sections; and the insulating system is arranged among the cylinders. As the structure of multilayer overlapping of the extruding system is adopted, the laminated combined type extruder has long total length-diameter ratio, low processing difficulty, strong application and applicability, convenient cleaning and maintenance, good interlayer rotary matching, little occupied area for the whole extruder and low cost.
Description
Technical field
The utility model relates to a kind of extruder, belongs 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, the output height, thereby use very extensive.Yet in some occasion, the development of extruder has been subjected 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 big, produces intermittently and carries out.And if screw rod extends again, the intensity of screw rod does not satisfy the requirement of ordinary production, in process of production, the time have the accident that screw rod twisted off to take place, especially for twin-screw, inner mandrel is a splined shaft, screwing element is enclosed within on the spline, for the double screw extruder of minor diameter, splined shaft is very thin, especially the part that damages easily.At present, a kind of method that addresses this problem employing is that extrude on two rank, and for example: first rank are two-rotor continuous mixer or double screw extruder, are drained into the second rank single screw extrusion machine after the mixing of materials, and certain second rank also can be double screw extruders.This combination, the machine floor space is big, and each rank is controlled respectively, the match and regulate complexity of output, the charging system on second rank will be revised, and causes this selection bad adaptability, need make special-purpose extruder according to material feature.This scheme cost height is difficult to adapt to the changeable demand of material.
The utility model content
The purpose of this utility model is to provide a kind of extruder that adapts to different material, the very big occasion of draw ratio of long, screw rod of technological requirement such as material reaction, the devolatilization time of staying especially, and difficulty of processing reduces, screw strength improves, complete machine takes up an area of few, and is simple in structure, cleaning and easy to adjust.
For achieving the above object, the utility model is by the following technical solutions: lamination combined type extruder, mainly by transmission system, charging system, the extrusion system of multilayer and insulation system are formed, 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, the rotation distribution system drives screw rod and rotates, and the other end of screw rod links to each other with support system and constitutes two fulcrums 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 to control the temperature of 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 following 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, enter 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 has only 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, driving the ground floor screw rod rotates, 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 the transmitting gear of the second layer to rotation by transition gear, 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 auxiliary charge door as requested, reinforced in 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 heat-barrier materials such as asbestos, felt between the space, improves effect of heat insulation.
The utility model lamination combined type extruder is arranged in the operative gear that rotates distribution system can be arranged in support system, and the arrangement of gears space increases, and makes the diameter of gear to increase, and then improves the intensity of gear.
The screw rod of each layer of the utility model lamination combined type extruder 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 a cantilever design, by material screw rod is floated in machine barrel, and support system only plays the effect of end sealing and supports the effect of machine barrel.
The utility model lamination combined type extruder transmission system 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.
The utility model lamination combined type extruder transmission system is connected with transition gear, and the transmitting gear that drives each layer by transition gear again rotates.
Last one deck discharging opening of the utility model lamination combined type extruder is a 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 helps linking to each other with follow-up subsidiary engine with head.
The machine barrel of the utility model lamination combined type extruder is a monoblock type, or is formed by connecting by multistage, if increase draw ratio, the screw rod that the machine barrel of the correspondent section of connecting again in machine barrel is changed respective length then gets final product.Also can realize by the number of plies that increases extrusion system.
The layout of the utility model lamination combined type extruder 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 rotate to an angle around the transition gear center, constitute that " it " word shape is tortuous to be arranged, servicing unit such as reinforced or exhaust outlet in the middle of being beneficial to be provided with.
The utility model lamination combined type extruder is owing to adopt the structure of extrusion system multilayer stack, 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 25, total slenderness ratio after four stacked adding is 100, this structure not only every layer difficulty of processing reduces greatly, screw strength improves, and integral body has reached traditional extruder numerical value that is beyond one's reach, can satisfy the various requirement of mixing, plasticizing and reaction easily, adaptability is strong; Owing to only be 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 of few, and to compare cost low with multistage extruder.
Description of drawings
Fig. 1 is the three-dimensional structure schematic diagram of the utility model lamination combined type extruder.
Fig. 2 is the two-dimensional structure schematic diagram of the utility model lamination combined type extruder.
Fig. 3 is the rotation distribution system drive connection schematic diagram of the utility model lamination combined type extruder, be among Fig. 2 A-A to the drive connection schematic diagram.
Fig. 4 is that screw rod is a cantilever design in the extrusion system of the utility model lamination combined type extruder, 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, the utility model lamination combined type extruder, mainly form 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 drive screw rods 5 rotate, and the other end of screw rod 5 links to each other with support system 8 and constitutes two fulcrums supports or take single fulcrum cantilever support 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 fusion 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, be used to control the temperature of 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 following one deck, at the material of ground floor extrusion system through mixing, plasticizing and reaction back continue to mix at second layer extrusion system, plasticizing and reaction, enter 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 has only 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, reinforced in 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, make the temperature between interlayer 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 heat-barrier material such as asbestos, to improve effect of heat insulation.
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 the machine barrel 4 of the correspondent section of connecting again in machine barrel 4 is changed respective length then gets final product.
The layout of lamination combined type extruder is a horizontal type structure in the present embodiment, each interlayer parallel arrangement.
Claims (10)
1. lamination combined type extruder, it is characterized in that: mainly form by the extrusion system and the insulation system of transmission system, charging system, multilayer, 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, the rotation distribution system drives screw rod and rotates, and the other end of screw rod links to each other with support system and constitutes two fulcrums 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 following one deck, the discharging opening of second layer extrusion system communicates with the feeding mouth of the 3rd layer of extrusion system, and the like; Transmission system has only 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, driving the ground floor screw rod rotates, 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 the transmitting gear of the second layer to rotation by transition gear, 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 the chuck heat transfer.
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 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 a cantilever design.
7. lamination combined type extruder according to claim 1 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 each layer by transition gear again rotates.
8. lamination combined type extruder according to claim 1 is characterized in that machine barrel is a 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 a 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 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202466015U CN201538029U (en) | 2009-10-26 | 2009-10-26 | Laminated combined type extruder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202466015U CN201538029U (en) | 2009-10-26 | 2009-10-26 | Laminated combined type extruder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201538029U true CN201538029U (en) | 2010-08-04 |
Family
ID=42589483
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202466015U Expired - Lifetime CN201538029U (en) | 2009-10-26 | 2009-10-26 | Laminated combined type extruder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201538029U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102039660A (en) * | 2009-10-26 | 2011-05-04 | 北京化工大学 | Superposed and combined type extruder |
| EP3663069A1 (en) * | 2018-11-29 | 2020-06-10 | HB-Feinmechanik GmbH & Co.KG | Extrusion device |
-
2009
- 2009-10-26 CN CN2009202466015U patent/CN201538029U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102039660A (en) * | 2009-10-26 | 2011-05-04 | 北京化工大学 | Superposed and combined type extruder |
| CN102039660B (en) * | 2009-10-26 | 2013-01-02 | 北京化工大学 | Superposed and combined type extruder |
| EP3663069A1 (en) * | 2018-11-29 | 2020-06-10 | HB-Feinmechanik GmbH & Co.KG | Extrusion device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20100804 Effective date of abandoning: 20091026 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20100804 Effective date of abandoning: 20091026 |
|
| RGAV | Abandon patent right to avoid regrant |