CN104228037B - Three screw rod banded extruders - Google Patents
Three screw rod banded extruders Download PDFInfo
- Publication number
- CN104228037B CN104228037B CN201410416517.9A CN201410416517A CN104228037B CN 104228037 B CN104228037 B CN 104228037B CN 201410416517 A CN201410416517 A CN 201410416517A CN 104228037 B CN104228037 B CN 104228037B
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- Prior art keywords
- screw rod
- gear
- rotating shaft
- mixing material
- material extrusion
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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
- B29C48/425—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
- B29C48/251—Design of extruder parts, e.g. by modelling based on mathematical theories or experiments
- B29C48/2517—Design of extruder parts, e.g. by modelling based on mathematical theories or experiments of intermeshing 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
- B29C48/505—Screws
- B29C48/59—Screws characterised by details of the thread, i.e. the shape of a single thread of the material-feeding 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
- B29C48/64—Screws with two or more threads
- B29C48/65—Screws with two or more threads neighbouring threads or channels having different configurations, e.g. one thread being lower than its neighbouring thread
-
- 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
- B29C48/64—Screws with two or more threads
- B29C48/655—Screws with two or more threads having three or more threads
Abstract
The present invention relates to banded extruder field, be specifically related to a kind of three screw rod banded extruders.It includes frame, cast hopper, discharging opening, screw rod, mixing material extrusion case, change speed gear box, driving motor, frame upper right side is equipped with driving motor, equipped with change speed gear box in the middle of frame upper end, frame left upper end is equipped with mixing material extrusion case, mixing material extrusion case is built with screw rod, and mixing material extrusion case upper end is equipped with cast hopper, and the left side of mixing material extrusion case is equipped with discharging opening, driving motor to connect change speed gear box by rotating shaft, change speed gear box rotating shaft connects the screw rod in mixing material extrusion case.Blade " eight " the shape design of both sides screw rod, can effectively prevent material from overflowing from charging aperture above and preventing material to be stuck in casing both sides, this device can simple and fast screw rod is removed maintenance clean, easy to clean and can clean up, the design of cantilever beam ensure that screw front end will not sink, and extends the service life of bearing；Pitch and the spiral shell of driving screw are the most first big after small, and so design benefit is that charging is fast, and work efficiency is high.
Description
Technical field
The present invention relates to banded extruder field, be specifically related to a kind of three screw rod banded extruders.
Background technology
Banded extruder is the screw rod utilizing given shape, rotates, will be extruded forward by the material sent here in hopper in the machine barrel of heating, by head and difform mould, makes plastics be squeezed into successional required variously-shaped.The feed funnel of banded extruder is the most shallow in the market, holds material volume the least, in process of manufacture, needs extruded product so that it is by discharging opening, but discharging opening is the least, causes material to backflow from charging aperture,Cause waste, in addition it is also necessary to manually ceaselessly clear up maintenance, cause production cost to strengthen.Screw rod was carried out by banded extruder in the past, and first arrestment runs, and is then directly carried out screw rod from charging aperture, this cleaning method, very laborious, and a lot of local less cleaning, cause not washing clean clearly, continue to use, material is caused secondary pollution, affects the quality of product.And banded extruder in the market is single-screw extruder, inefficiency, it has not been convenient to maintain screw rod clean and maintenance, material can be caused to overflow from charging aperture, waste raw material during work, work efficiency reduces.And the fixing connection in screw rod one end drive shaft, the other end is all unsettled, will sink by free end for a long time, occurs sweeping thorax phenomenon, and other end bearing wear is serious.
Summary of the invention
In order to solve foregoing invention problem, the present invention proposes a kind of three screw rod banded extruders, design ingenious rationally, it is possible to effectively preventing material from overflowing from charging aperture above, easy to clean and can clean up, screw front end will not sink, and extends the service life of bearing.
In order to reach foregoing invention purpose, the present invention proposes techniques below scheme:
Three screw rod banded extruders, it includes frame, cast hopper, discharging opening, screw rod, mixing material extrusion case, change speed gear box, driving motor, frame upper right side is equipped with driving motor, equipped with change speed gear box in the middle of frame upper end, frame left upper end is equipped with mixing material extrusion case, and mixing material extrusion case is built with screw rod, mixing material extrusion case upper end is equipped with cast hopper, the left side of mixing material extrusion case, equipped with discharging opening, drives motor to connect change speed gear box by rotating shaft, and change speed gear box rotating shaft connects the screw rod in mixing material extrusion case.
Described screw rod has three screw rods, driving screw, left screw rod and right screw rod, driving screw is contained in the centre of mixing material extrusion case, left screw rod and right screw rod are attached separately to the right and left of driving screw, described driving screw includes the first rotating shaft, tapered axle, second rotating shaft and blade, first rotating shaft connects the big end of tapered axle, the small end of tapered axle connects the second rotating shaft, first rotating shaft is positioned at mixing material extrusion case, second rotating shaft is positioned at discharging opening, tapered axle crossover position between the first rotating shaft and the second rotating shaft, blade is around being contained in the first rotating shaft, on tapered axle and the second rotating shaft, the pitch of the blade on the most tapered axle and spiral shell are deeply in gradually-reducing shape, blade is backward vane, in terms of discharging opening direction, driving screw is made to rotate counterclockwise；Described left screw rod includes rotating shaft and blade, and blade has two groups, and one group of forward blade is contained in rotating shaft rear end, and another group backward vane is contained in the front end of rotating shaft, and forward blade and backward vane connect formation " eight " shape in the middle of rotating shaft；Described right screw rod includes rotating shaft and blade, and blade has two groups, and one group of backward vane is contained in rotating shaft rear end, and another group forward blade is contained in the front end of rotating shaft, and forward blade and backward vane connect formation " eight " shape in the middle of rotating shaft；Described left screw rod and right screw rod are all inwardly to rotate, to driving screw place central rotation.
Described left screw rod and right screw front end are designed with bearing outer ring groove seat；Described mixing material extrusion case Front-end Design has cantilever beam, cantilever beam includes locking nut, pad, outstanding axle and chuck, outstanding axle one end is screw thread, the other end is designed with annular boss near end, the outboard end of annular boss is that bearing inner race fixes axle, chuck medium design circular hole, chuck upper end has draw-in groove, outstanding male thread end is through chuck circular hole, the annular boss of outstanding axle is stuck in outside circular hole, and the end of thread is fixed on chuck by locking nut and pad, chuck is stuck in the correspondence design slotted eye of mixing material extrusion case front end by draw-in groove, bearing inner race is fixed on axle equipped with bearing, bearing inner race is contained in bearing inner race and fixes on axle；Described left screw rod and right screw front end are designed with bearing outer ring groove seat, and bearing outer ring is contained in bearing outer ring groove seat, and bearing is fixed between axle in bearing outer ring groove seat and bearing inner race.
Described change speed gear box includes casing, master gear, left gear, right gear and change-speed gearing, design front end on change-speed gearing and be little gear and rear end is gear wheel, keep left in the middle of casing equipped with master gear, master gear both sides are equipped with left gear, right gear, change-speed gearing is contained between master gear and right gear, engaging each other with left gear on the left of master gear and be connected, engage with the little gear of change-speed gearing and be connected on the right side of master gear, the right side of change-speed gearing is connected with right gear engagement by gear wheel.
Described discharging opening is contained in the driving screw front end in mixing material extrusion case, and discharging opening front end is cylindric, and rear end is tapered mouth with mixing material extrusion case junction.
The gear shaft of described driving screw, left screw rod and right screw rod corresponding master gear, left gear and right gear respectively is mutually butted, the back end design of driving screw, left screw rod and right screw rod has longitudinal axis hole, it is designed with flat key groove in longitudinal axis hole, master gear, left gear insert in corresponding longitudinal axis hole with the gear shaft of right gear, and positioned by flat key, bellmouth is laterally had on described longitudinal axis hole, on gear shaft, also correspondence has bellmouth, locks penetrated the bellmouth of longitudinal axis hole and gear shaft by cone pin in.
It is an advantage of the invention that design is the most ingenious, easy to use, blade " eight " the shape design of both sides screw rod, can effectively prevent material from overflowing from charging aperture above and preventing material to be stuck in casing both sides, this device can simple and fast screw rod is removed maintenance clean, easy to clean and can clean up, the design of cantilever beam ensure that screw front end will not sink, and extends the service life of bearing；Pitch and the spiral shell of driving screw are the most first big after small, and so design benefit is that charging is fast, and work efficiency is high.
Accompanying drawing explanation
Fig. 1 is the side view cutaway drawing of the present invention.
Fig. 2 is the accompanying drawing schematic diagram of the present invention.
Fig. 3 is the change speed gear box schematic diagram of the present invention.
Fig. 4 is the cantilever beam close-up schematic view of the present invention.
Detailed description of the invention
In order to the present invention is further described, introduce below in conjunction with Figure of description:
Referring to the drawings 1, three screw rod banded extruders, it includes frame 1, cast hopper 2, discharging opening 3, screw rod, mixing material extrusion case 4, change speed gear box 5, drives motor 6, frame 1 upper right side is equipped with driving motor 6, equipped with change speed gear box 5 in the middle of frame 1 upper end, frame 1 left upper end is equipped with mixing material extrusion case 4, mixing material extrusion case 4 is built with screw rod, mixing material extrusion case 4 upper end is equipped with cast hopper 2, the left side of mixing material extrusion case 4 is equipped with discharging opening 3, driving motor 6 to connect change speed gear box 5 by rotating shaft, change speed gear box 5 rotating shaft connects the screw rod in mixing material extrusion case 4.
nullWith reference to Fig. 2，Described screw rod has three screw rods，Driving screw 7、Left screw rod 8 and right screw rod 9，Driving screw 7 is contained in the centre of mixing material extrusion case 4，Left screw rod 8 and right screw rod 9 are attached separately to the right and left of driving screw 7，Described driving screw 7 includes the first rotating shaft 71、Tapered axle 72、Second rotating shaft 73 and blade 74，First rotating shaft 71 connects the big end of tapered axle 72，The small end of tapered axle 72 connects the second rotating shaft 73，First rotating shaft 71 is positioned at mixing material extrusion case 4，Second rotating shaft 73 is positioned at discharging opening 3，The tapered axle 72 crossover position between the first rotating shaft 71 and the second rotating shaft 73，Blade 74 is around being contained in the first rotating shaft 71、On tapered axle 72 and the second rotating shaft 73，The pitch of the blade on the most tapered axle 72 and spiral shell are deeply in gradually-reducing shape，Blade 74 is backward vane，In terms of discharging opening direction, driving screw is made to rotate counterclockwise；Described left screw rod 8 includes rotating shaft 81 and blade, and blade has two groups, and one group of forward blade 82 is contained in rotating shaft 81 rear end, and another group backward vane 83 is contained in the front end of rotating shaft 81, and forward blade 82 and backward vane 83 connect formation " eight " shape in the middle of rotating shaft；Described right screw rod 9 includes rotating shaft 91 and blade, and blade has two groups, and one group of backward vane 93 is contained in rotating shaft rear end, and another group forward blade 92 is contained in the front end of rotating shaft, and forward blade 92 and backward vane 93 connect formation " eight " shape in the middle of rotating shaft；Described left screw rod 8 and right screw rod 9 are all inwardly to rotate, to driving screw 7 place central rotation.
With reference to Fig. 4, described left screw rod 8 and right screw rod 9 Front-end Design have bearing outer ring groove seat 10；Described mixing material extrusion case 4 Front-end Design has cantilever beam 11, cantilever beam 11 includes locking nut 12, pad 13, outstanding axle 14 and chuck 15, outstanding axle 14 one end is screw thread, the other end is designed with annular boss 16 near end, the outboard end of annular boss 16 is that bearing inner race fixes axle, chuck 15 medium design circular hole, chuck 15 upper end has draw-in groove, outstanding axle 14 end of thread is through chuck 15 circular hole, the annular boss 16 of outstanding axle 14 is stuck in outside circular hole, and the end of thread is fixed on chuck 15 by locking nut 12 and pad 13, chuck 15 is stuck in the correspondence design slotted eye of mixing material extrusion case 4 front end by draw-in groove, bearing inner race is fixed on axle equipped with bearing 17, bearing inner race is contained in bearing inner race and fixes on axle；Described left screw rod 8 and right screw rod 9 Front-end Design have bearing outer ring groove seat 10, and bearing outer ring is contained in bearing outer ring groove seat, and bearing is fixed between axle in bearing outer ring groove seat 10 and bearing inner race.
With reference to Fig. 3, described change speed gear box 5 includes casing 51, master gear 52, left gear 53, right gear 54 and change-speed gearing 55, design front end on change-speed gearing 55 and be little gear 56 and rear end is gear wheel 57, keep left equipped with master gear 52 in the middle of casing 51, master gear 52 both sides are equipped with left gear 53, right gear 54, change-speed gearing 55 is contained between master gear 52 and right gear 54, engage each other with left gear 53 on the left of master gear 52 and be connected, engage with the little gear 56 of change-speed gearing 55 on the right side of master gear 52 and be connected, the right side of change-speed gearing 55 is connected with right gear 54 engagement by gear wheel 57.
Described discharging opening 3 is contained in driving screw 7 front end in mixing material extrusion case 4, and discharging opening 3 front end is cylindric, and rear end is tapered mouth with mixing material extrusion case 4 junction.
With reference to Fig. 1, the gear shaft of described driving screw 7, left screw rod 8 and right screw rod 9 corresponding master gear 52, left gear 53 and right gear 54 respectively is mutually butted, the back end design of driving screw 7, left screw rod 8 and right screw rod 9 has longitudinal axis hole, it is designed with flat key groove in longitudinal axis hole, master gear 52, left gear 53 insert in corresponding longitudinal axis hole with the gear shaft of right gear 54, and positioned by flat key, bellmouth is laterally had on described longitudinal axis hole, on gear shaft, also correspondence has bellmouth, locks penetrated the bellmouth of longitudinal axis hole and gear shaft by cone pin 18 in.
nullWhen the present invention uses，The feeding door 21 of cast hopper side design is opened，Material is rendered to mix in material extrusion case in the feeding door 21 of the side of cast hopper，Start motor，Motor drives change speed gear box，The transmission of the gear in change speed gear box，Change speed ratio，The screw speed making both sides is faster than driving screw rotating speed，Change by the teeth to gear，The rotating speed of both sides screw rod can be set，Under the rotating speed set，Both sides screw rod ecto-entad rotates，I.e. both sides screw rod is all digging on the material that keeps to the side，By the blade of " eight " shape design material to middle driving screw force feed，This makes it possible to prevent material to be stuck on limit，Effectively material can be pressed under centre simultaneously，Prevent material from overflowing，The pitch of driving screw and spiral shell have the most just started the biggest，Gradually diminish when arriving discharging opening，So benefit of design is that charging is fast，Driving screw is positioned at the pitch of discharging opening and spiral shell is constant deeply，Thus ensure that extrusion strip-shaped product meets the requirements，The design of cantilever beam of the present invention has added a spring bearing to both sides screw rod dress，Design ingenious，Solve screw rod sinkage，And the convenient cleaning of the present invention，The screw having only to mixing material extrusion case to be fixed in frame is removed，The cone pin that driving screw and both sides screw rod are connected with change speed gear box is opened，Just screw rod and mixing material extrusion case can be pulled down in the lump from frame，Both sides screw rod can also be taken out by cantilever beam-ends and clean，Driving screw needs discharging opening to remove to take out to clean，Easy to clean，And it is easily washable clean，Installation is also convenient for fast，So guarantee equipment can normally work，Will not batch mixing phenomenon after ensureing to reload，Also extend the service life of equipment simultaneously.
Claims (3)
1. three screw rod banded extruder, it is characterized in that it include frame, cast hopper, discharging opening, screw rod, mixing material extrusion case, change speed gear box,
Driving motor, frame upper right side is equipped with driving motor, and equipped with change speed gear box in the middle of frame upper end, frame left upper end is equipped with mixing material extrusion
Case, mixing material extrusion case built with screw rod, mixing material extrusion case upper end equipped with cast hopper, the left side of mixing material extrusion case equipped with discharging opening,
Driving motor to connect change speed gear box by rotating shaft, change speed gear box rotating shaft connects the screw rod in mixing material extrusion case；Described screw rod has three spiral shells
Bar, driving screw, left screw rod and right screw rod, driving screw is contained in the centre of mixing material extrusion case, and left screw rod and right screw rod are attached separately to main
The right and left of screw rod, described driving screw includes that the first rotating shaft, tapered axle, the second rotating shaft and blade, the first rotating shaft connect gradually
The big end of contracting axle, the small end of tapered axle connects the second rotating shaft, and the first rotating shaft is positioned at mixing material extrusion case, and the second rotating shaft is positioned at discharging
In mouthful, tapered axle crossover position between the first rotating shaft and the second rotating shaft, blade is around being contained in the first rotating shaft, tapered axle and the
In two rotating shafts, the pitch of the blade on the most tapered axle and spiral shell are deeply in gradually-reducing shape, and blade is backward vane, in terms of discharging opening direction
Driving screw is made to rotate counterclockwise；Described left screw rod includes rotating shaft and blade, and blade has two groups, and one group of forward blade is contained in rotating shaft
Rear end, another group backward vane is contained in the front end of rotating shaft, and forward blade and backward vane connect formation " eight " word in the middle of rotating shaft
Shape；Described right screw rod includes rotating shaft and blade, and blade has two groups, and one group of backward vane is contained in rotating shaft rear end, and another organizes forward
Blade is contained in the front end of rotating shaft, and forward blade and backward vane connect formation " eight " shape in the middle of rotating shaft；Described left screw rod
It is all inwardly to rotate, to driving screw place central rotation with right screw rod；Described left screw rod and right screw front end are designed with outside bearing
Ring recess seat；Described mixing material extrusion case Front-end Design has cantilever beam, cantilever beam to include locking nut, pad, outstanding axle and chuck,
Outstanding axle one end is screw thread, and the other end is designed with annular boss near end, and the outboard end of annular boss is that bearing inner race fixes axle,
Chuck medium design circular hole, chuck upper end has draw-in groove, and outstanding male thread end is stuck in circle through chuck circular hole, the annular boss of outstanding axle
Outside hole, and the end of thread is fixed on chuck by locking nut and pad, and it is corresponding that chuck is stuck in mixing material extrusion case front end by draw-in groove
In design slotted eye, bearing inner race is fixed equipped with bearing on axle, and bearing inner race is contained in bearing inner race and fixes on axle；Described left screw rod
Being designed with bearing outer ring groove seat with right screw front end, bearing outer ring is contained in bearing outer ring groove seat, and bearing is positioned at bearing outer ring groove seat
With bearing inner race fixes between axle；Described driving screw, left screw rod and right screw rod corresponding master gear, left gear and right gear respectively
Gear shaft be mutually butted, the back end design of driving screw, left screw rod and right screw rod has longitudinal axis hole, is designed with flat in longitudinal axis hole
Keyway, master gear, left gear and the gear shaft of right gear insert in corresponding longitudinal axis hole, and are positioned by flat key, described
Laterally having bellmouth on longitudinal axis hole, on gear shaft, also correspondence has bellmouth, penetrates longitudinal axis hole and gear by cone pin
Lock in the bellmouth of axle.
Three screw rod banded extruders the most according to claim 1, is characterized in that described change speed gear box includes casing, master gear, left tooth
Wheel, right gear and change-speed gearing, change-speed gearing designs front end and is little gear and rear end is gear wheel, keep left in the middle of casing equipped with
Master gear, master gear both sides are equipped with left gear, right gear, and change-speed gearing is contained between master gear and right gear, on the left of master gear
Engaging each other with left gear and be connected, engage with the little gear of change-speed gearing and be connected on the right side of master gear, the right side of change-speed gearing is by big
Gear is connected with right gear engagement.
Three screw rod banded extruders the most according to claim 1, is characterized in that the main spiral shell that described discharging opening is contained in mixing material extrusion case
Bar front end, discharging opening front end is cylindric, and rear end is tapered mouth with mixing material extrusion case junction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410416517.9A CN104228037B (en) | 2014-08-22 | 2014-08-22 | Three screw rod banded extruders |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410416517.9A CN104228037B (en) | 2014-08-22 | 2014-08-22 | Three screw rod banded extruders |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104228037A CN104228037A (en) | 2014-12-24 |
| CN104228037B true CN104228037B (en) | 2016-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410416517.9A Active CN104228037B (en) | 2014-08-22 | 2014-08-22 | Three screw rod banded extruders |
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| CN (1) | CN104228037B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019010593A1 (en) * | 2017-07-12 | 2019-01-17 | 李晓红 | Triple screw extruder |
| WO2019010594A1 (en) * | 2017-07-12 | 2019-01-17 | 李晓红 | Four-screw extruder |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4338795C1 (en) * | 1993-11-12 | 1995-06-14 | S Rockstedt Gmbh Maschf | Multi-shaft continuously operating mixing machine for plasticizable masses |
| CN201633185U (en) * | 2009-12-10 | 2010-11-17 | 北京化工大学 | Linear cone-shaped three-screw extruder |
| CN202045724U (en) * | 2011-01-10 | 2011-11-23 | 朱海良 | Strip extruder |
| CN102189664A (en) * | 2011-04-06 | 2011-09-21 | 北京化工大学 | Differential extruder with three straightly-arranged screws |
| CN204054608U (en) * | 2014-08-22 | 2014-12-31 | 如皋市通达机械制造有限公司 | Three screw rod banded extruders |
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2014
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| Publication number | Publication date |
|---|---|
| CN104228037A (en) | 2014-12-24 |
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