CN204054608U - Three screw rod banded extruders - Google Patents
Three screw rod banded extruders Download PDFInfo
- Publication number
- CN204054608U CN204054608U CN201420476395.8U CN201420476395U CN204054608U CN 204054608 U CN204054608 U CN 204054608U CN 201420476395 U CN201420476395 U CN 201420476395U CN 204054608 U CN204054608 U CN 204054608U
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- Prior art keywords
- screw rod
- rotating shaft
- gear
- mixing material
- material extrusion
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- 239000000463 material Substances 0.000 claims abstract description 61
- 238000001125 extrusion Methods 0.000 claims abstract description 46
- 238000007599 discharging Methods 0.000 claims abstract description 25
- 230000015572 biosynthetic process Effects 0.000 claims description 6
- 238000004140 cleaning Methods 0.000 abstract description 8
- 230000003670 easy-to-clean Effects 0.000 abstract description 5
- 238000012423 maintenance Methods 0.000 abstract description 5
- 230000008901 benefit Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 210000000038 chest Anatomy 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 235000012438 extruded product Nutrition 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000010408 sweeping Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Landscapes
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
The utility model relates to banded extruder field, relates to a kind of three screw rod banded extruders.It comprises frame, cast hopper, discharging opening, screw rod, mixing material extrusion case, gearbox, drive motors, frame upper right side is equipped with drive motors, in the middle of frame upper end, gearbox is housed, frame left upper end is equipped with mixing material extrusion case, mixing material extrusion case is built with screw rod, and cast hopper is equipped with in mixing material extrusion case upper end, and discharging opening is equipped with in the left side of mixing material extrusion case, drive motors connects gearbox by rotating shaft, and gearbox 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 cleaning up, the design of cantilever beam ensure that screw front end can not sink, and extends the service life of bearing; The pitch of driving screw and spiral shell are deeply first big after small, and designing benefit is like this that charging is fast, and operating efficiency is high.
Description
Technical field
The utility model relates to banded extruder field, is specifically related to a kind of three screw rod banded extruders.
Background technology
Banded extruder is the screw rod utilizing given shape, rotates, extrude by the material sent here in hopper forward in the machine barrel of heating, by head and difform mould, makes plastic extrusion become successional required various shape.The feed funnel of banded extruder is very shallow in the market, hold material volume very little, in process of manufacture, need extruded product, make it by discharging opening, but discharging opening is general all very little, causes material to backflow from charging aperture
,cause waste, also need manually ceaselessly to clear up maintenance, cause production cost to strengthen.Banded extruder cleaned screw rod in the past, and first arrestment runs, and then directly cleaned screw rod from charging aperture, this cleaning method, require great effort very much, and a lot of local less cleaning, cause not washing clean clearly, just continue to use, secondary pollution is caused to material, affects the quality of product.And banded extruder is in the market single-screw extruder, inefficiency, inconvenience, to the maintenance of screw rod clean and maintenance, can cause material to overflow from charging aperture, waste raw material during work, operating efficiency reduces.And screw rod one end is fixedly connected with driving shaft, the other end is all unsettled, and will sink by free end for a long time, occur sweeping thorax phenomenon, other end bearing wear is serious.
Utility model content
In order to solve above-mentioned utility model problem, the utility model proposes a kind of three screw rod banded extruders, designing rationally ingenious, can effectively prevent material from overflowing from charging aperture above, easy to clean and can cleaning up, screw front end can not sink, and extends the service life of bearing.
In order to reach above-mentioned utility model object, the utility model proposes following technical scheme:
Three screw rod banded extruders, it comprises frame, cast hopper, discharging opening, screw rod, mixing material extrusion case, gearbox, drive motors, frame upper right side is equipped with drive motors, in the middle of frame upper end, gearbox is housed, frame left upper end is equipped with mixing material extrusion case, and mixing material extrusion case is built with screw rod, cast hopper is equipped with in mixing material extrusion case upper end, discharging opening is equipped with in the left side of mixing material extrusion case, and drive motors connects gearbox by rotating shaft, and gearbox 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 contained in the right and left of driving screw respectively, described driving screw comprises the first rotating shaft, convergent axle, second rotating shaft and blade, first rotating shaft connects the large end of convergent axle, the small end of convergent axle connects the second rotating shaft, first rotating shaft is positioned at mixing material extrusion case, second rotating shaft is positioned at discharging opening, the crossover position of convergent axle between the first rotating shaft and the second rotating shaft, blade installs around in the first rotating shaft, in convergent axle and the second rotating shaft, the pitch of the blade wherein on convergent axle and spiral shell are deeply in gradually-reducing shape, blade is backward vane, viewed from discharging opening direction, driving screw is rotated counterclockwise, described left screw rod comprises 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 are in middle formation " eight " shape that connects of rotating shaft, described right screw rod comprises 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 are in middle formation " eight " shape that connects of rotating shaft, described left screw rod and right screw rod are all inside rotations, 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 comprises 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 bearing inner race fixed axis, 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 mixing material extrusion case front end correspondence design slotted eye by draw-in groove, bearing inner race fixed axis is equipped with bearing, bearing inner race is contained on bearing inner race fixed axis, 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 between bearing outer ring groove seat and bearing inner race fixed axis.
Described gearbox comprises casing, master gear, left gear, right gear and change-speed gearing, change-speed gearing to design front end be pinion and rear end is gear wheel, keep left in the middle of casing and master gear is housed, left gear, right gear are equipped with in master gear both sides, change-speed gearing is contained between master gear and right gear, engage each other with left gear on the left of master gear and be connected, be connected with a joggle on the right side of master gear with the pinion of change-speed gearing, the right side of change-speed gearing is connected with a joggle by gear wheel and right gear.
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 convergent 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 docks mutually, the rear end of driving screw, left screw rod and right screw rod is designed with longitudinal axis hole, flat key groove is designed with in longitudinal axis hole, the gear shaft of master gear, left gear and right gear inserts in corresponding longitudinal axis hole, and located by flat key, described longitudinal axis hole laterally has bellmouth, on gear shaft, also correspondence has bellmouth, locks in the bellmouth being penetrated longitudinal axis hole and gear shaft by cone pin.
The utility model has the advantages that simplicity of design is 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 cleaning up, the design of cantilever beam ensure that screw front end can not sink, and extends the service life of bearing; The pitch of driving screw and spiral shell are deeply first big after small, and designing benefit is like this that charging is fast, and operating efficiency is high.
Accompanying drawing explanation
Fig. 1 is side view cutaway drawing of the present utility model.
Fig. 2 is accompanying drawing schematic diagram of the present utility model.
Fig. 3 is gearbox schematic diagram of the present utility model.
Fig. 4 is cantilever beam close-up schematic view of the present utility model.
Detailed description of the invention
In order to further illustrate the utility model, introduce below in conjunction with Figure of description:
With reference to accompanying drawing 1, three screw rod banded extruders, it comprises frame 1, cast hopper 2, discharging opening 3, screw rod, mixing material extrusion case 4, gearbox 5, drive motors 6, frame 1 upper right side is equipped with drive motors 6, in the middle of frame 1 upper end, gearbox 5 is housed, frame 1 left upper end is equipped with mixing material extrusion case 4, mixing material extrusion case 4 is built with screw rod, cast hopper 2 is equipped with in mixing material extrusion case 4 upper end, discharging opening 3 is equipped with in the left side of mixing material extrusion case 4, drive motors 6 connects gearbox 5 by rotating shaft, and gearbox 5 rotating shaft connects the screw rod in mixing material extrusion case 4.
With 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 contained in the right and left of driving screw 7 respectively, described driving screw 7 comprises the first rotating shaft 71, convergent axle 72, second rotating shaft 73 and blade 74, first rotating shaft 71 connects the large end of convergent axle 72, the small end of convergent 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 crossover position of convergent axle 72 between the first rotating shaft 71 and the second rotating shaft 73, blade 74 installs around in the first rotating shaft 71, in convergent axle 72 and the second rotating shaft 73, the pitch of the blade wherein on convergent axle 72 and spiral shell are deeply in gradually-reducing shape, blade 74 is backward vanes, viewed from discharging opening direction, driving screw is rotated counterclockwise, described left screw rod 8 comprises 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 are in middle formation " eight " shape that connects of rotating shaft, described right screw rod 9 comprises 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 are in middle formation " eight " shape that connects of rotating shaft, described left screw rod 8 and right screw rod 9 are all inside rotations, 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 comprises 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 bearing inner race fixed axis, 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 mixing material extrusion case 4 front end correspondence design slotted eye by draw-in groove, bearing 17 bearing inner race fixed axis is equipped with, bearing inner race is contained on bearing inner race fixed axis, 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 between bearing outer ring groove seat 10 and bearing inner race fixed axis.
With reference to Fig. 3, described gearbox 5 comprises casing 51, master gear 52, left gear 53, right gear 54 and change-speed gearing 55, change-speed gearing 55 to design front end be pinion 56 and rear end is gear wheel 57, keep left in the middle of casing 51 and master gear 52 is housed, left gear 53 is equipped with in master gear 52 both sides, 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, be connected with a joggle with the pinion 56 of change-speed gearing 55 on the right side of master gear 52, the right side of change-speed gearing 55 is connected with a joggle by gear wheel 57 and right gear 54.
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 convergent 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 docks mutually, the rear end of driving screw 7, left screw rod 8 and right screw rod 9 is designed with longitudinal axis hole, flat key groove is designed with in longitudinal axis hole, the gear shaft of master gear 52, left gear 53 and right gear 54 inserts in corresponding longitudinal axis hole, and located by flat key, described longitudinal axis hole laterally has bellmouth, on gear shaft, also correspondence has bellmouth, locks in the bellmouth being penetrated longitudinal axis hole and gear shaft by cone pin 18.
When the utility model uses, the feeding door 21 of cast hopper side design is opened, material is rendered in mixing material extrusion case in the feeding door 21 of the side of cast hopper, starter motor, motor drives gearbox, the transmission of the gear in gearbox, change speed ratio, make the screw speed of both sides faster than driving screw rotating speed, by the change of the teeth to gear, can set the rotating speed of both sides screw rod, under the rotating speed set, both sides screw rod ecto-entad rotates, namely both sides screw rod is all the material that keeps to the side being dug come, by " eight " shape design blade material to middle driving screw force feed, this makes it possible to prevent material to be stuck on limit, effectively material can be pressed down toward centre simultaneously, prevent material from overflowing, the pitch of driving screw and spiral shell have deeply just started very large, gradually diminish when arriving discharging opening, the benefit of such design is that charging is fast, driving screw is positioned at the pitch of discharging opening and spiral shell is constant deeply, so just ensure that extruding strip-shaped product meets the requirements, the design of the utility model cantilever beam has added a spring bearing to both sides screw rod dress, design ingenious, solve screw rod sinkage, and the convenient cleaning of the utility model, the screw mixing material extrusion case is fixed in frame is only needed to remove, the cone pin that driving screw and both sides screw rod are connected with gearbox is opened, just screw rod and mixing material extrusion case can be pulled down from frame in the lump, both sides screw rod also can take out cleaning by cantilever beam-ends, driving screw needs discharging opening to remove to take out cleaning, easy to clean, and be easy to clean up, install also convenient and swift, such guarantee equipment can normally work, guarantee can not batch mixing phenomenon after reloading, also extend the service life of equipment simultaneously.
Claims (6)
1. three screw rod banded extruders, it is characterized in that it comprises frame, cast hopper, discharging opening, screw rod, mixing material extrusion case, gearbox, drive motors, frame upper right side is equipped with drive motors, in the middle of frame upper end, gearbox is housed, frame left upper end is equipped with mixing material extrusion case, and mixing material extrusion case is built with screw rod, cast hopper is equipped with in mixing material extrusion case upper end, discharging opening is equipped with in the left side of mixing material extrusion case, and drive motors connects gearbox by rotating shaft, and gearbox rotating shaft connects the screw rod in mixing material extrusion case.
2. three screw rod banded extruders according to claim 1, it is characterized in that 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 contained in the right and left of driving screw respectively, described driving screw comprises the first rotating shaft, convergent axle, second rotating shaft and blade, first rotating shaft connects the large end of convergent axle, the small end of convergent axle connects the second rotating shaft, first rotating shaft is positioned at mixing material extrusion case, second rotating shaft is positioned at discharging opening, the crossover position of convergent axle between the first rotating shaft and the second rotating shaft, blade installs around in the first rotating shaft, in convergent axle and the second rotating shaft, the pitch of the blade wherein on convergent axle and spiral shell are deeply in gradually-reducing shape, blade is backward vane, viewed from discharging opening direction, driving screw is rotated counterclockwise, described left screw rod comprises 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 are in middle formation " eight " shape that connects of rotating shaft, described right screw rod comprises 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 are in middle formation " eight " shape that connects of rotating shaft, described left screw rod and right screw rod are all inside rotations, to driving screw place central rotation.
3. three screw rod banded extruders according to claim 2, is characterized in that 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 comprises 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 bearing inner race fixed axis, 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 mixing material extrusion case front end correspondence design slotted eye by draw-in groove, bearing inner race fixed axis is equipped with bearing, bearing inner race is contained on bearing inner race fixed axis, 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 between bearing outer ring groove seat and bearing inner race fixed axis.
4. three screw rod banded extruders according to claim 1, it is characterized in that described gearbox comprises casing, master gear, left gear, right gear and change-speed gearing, change-speed gearing to design front end be pinion and rear end is gear wheel, keep left in the middle of casing and master gear is housed, left gear, right gear are equipped with in master gear both sides, change-speed gearing is contained between master gear and right gear, engage each other with left gear on the left of master gear and be connected, be connected with a joggle with the pinion of change-speed gearing on the right side of master gear, the right side of change-speed gearing is connected with a joggle by gear wheel and right gear.
5. three screw rod banded extruders according to claim 1 and 2, it is characterized in that described discharging opening is contained in the driving screw front end in mixing material extrusion case, discharging opening front end is cylindric, and rear end is convergent mouth with mixing material extrusion case junction.
6. three screw rod banded extruders according to claim 2, it is characterized in that described driving screw, left screw rod and right screw rod corresponding master gear respectively, the gear shaft of left gear and right gear docks mutually, driving screw, the rear end of left screw rod and right screw rod is designed with longitudinal axis hole, flat key groove is designed with in longitudinal axis hole, master gear, the gear shaft of left gear and right gear inserts in corresponding longitudinal axis hole, and located by flat key, described longitudinal axis hole laterally has bellmouth, on gear shaft, also correspondence has bellmouth, lock in the bellmouth being penetrated longitudinal axis hole and gear shaft by cone pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420476395.8U CN204054608U (en) | 2014-08-22 | 2014-08-22 | Three screw rod banded extruders |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420476395.8U CN204054608U (en) | 2014-08-22 | 2014-08-22 | Three screw rod banded extruders |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204054608U true CN204054608U (en) | 2014-12-31 |
Family
ID=52196189
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420476395.8U Expired - Lifetime CN204054608U (en) | 2014-08-22 | 2014-08-22 | Three screw rod banded extruders |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204054608U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104228037A (en) * | 2014-08-22 | 2014-12-24 | 如皋市通达机械制造有限公司 | Three-screw banded extruder |
| WO2019010594A1 (en) * | 2017-07-12 | 2019-01-17 | 李晓红 | Four-screw extruder |
| WO2019010593A1 (en) * | 2017-07-12 | 2019-01-17 | 李晓红 | Triple screw extruder |
-
2014
- 2014-08-22 CN CN201420476395.8U patent/CN204054608U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104228037A (en) * | 2014-08-22 | 2014-12-24 | 如皋市通达机械制造有限公司 | Three-screw banded extruder |
| WO2019010594A1 (en) * | 2017-07-12 | 2019-01-17 | 李晓红 | Four-screw extruder |
| WO2019010593A1 (en) * | 2017-07-12 | 2019-01-17 | 李晓红 | Triple screw extruder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141231 |