CN208576169U - Double-wall corrugated effective corotating twin-screw plastic extrusion unit - Google Patents
Double-wall corrugated effective corotating twin-screw plastic extrusion unit Download PDFInfo
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- CN208576169U CN208576169U CN201820550440.8U CN201820550440U CN208576169U CN 208576169 U CN208576169 U CN 208576169U CN 201820550440 U CN201820550440 U CN 201820550440U CN 208576169 U CN208576169 U CN 208576169U
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Abstract
The utility model provides a kind of double-wall corrugated effective corotating twin-screw plastic extrusion unit, including the extra-high torsion gearbox of twin-screw, Split assembled machine barrel, combined threaded rod, combined threaded rod identical, identical screw rod of diameter including two root knot structures, for two shafts of combined threaded rod respectively with two output axis connections of the extra-high torsion gearbox of twin-screw, two groups of combined threaded rods outsides are respectively equipped with two groups of fissions combination machine cylinder engaged therewith.The utility model optimizes the prior art, double-wall corrugated inner tube layer and outer layer plastic material can be provided simultaneously, structure is simple, plasticizing effect is good, granulation process is eliminated, the double-screw plastic extrusion machine group of pellet or powder production double-wall corrugated pipe can be used directly, so that the plasticizing quality of double-wall corrugated pipe is increased substantially, tubing production cost is significantly reduced, and pipe workpiece quality is largely increased.
Description
Technical field
The utility model belongs to plastic film capicitor manufacturing field, in particular to the double spiral shells of a kind of double-wall corrugated effective cocurrent and parallel
Bar plastic extrusion unit.
Background technique
Currently, most polyolefin double-walled plastic bellows productions generally use single-screw extruder in the market,
Part uses taper incongruous double screw plastic extruder, or uses single group parallel dual-screw plastic extruder.It is moulded with single screw rod
Expect that extruder produces polyolefin double-walled plastic bellows, the disadvantage is that, energy consumption is high, and formula adaptive faculty is poor, cannot be directly raw with powder
It produces, it is necessary to use pellet.Taper incongruous double screw plastic extruder can directly be produced with powder, the disadvantage is that, structure is complicated, screw rod
Draw ratio is restricted (corresponding yield will be restricted), is directly produced using pellet big to screw rod damage.Screw rod service life
It will be greatly reduced, and since screw slenderness ratio is short, plasticizing effect is poor.Using single group parallel dual-screw plastic extruder the disadvantage is that
Only one plastic extrusion machine head is not able to satisfy while producing the condition of double-walled plastic bellows inside and outside wall, cost for producing
It is excessively high.
Summary of the invention
The technical issues of the utility model is solved is to provide one kind and eliminates granulation process, and pellet or powder can be used directly
The double-screw plastic extrusion machine group of material production double-wall corrugated pipe, improves the plasticizing quality of double-wall corrugated pipe, reduces production cost.
The technical solution adopted in the utility model is: a kind of double-wall corrugated effective corotating twin-screw plastic extruder
Group, including the extra-high torsion gearbox of twin-screw, Split assembled machine barrel, combined threaded rod, combined threaded rod include that two root knot structures are identical, straight
The identical screw rod of diameter, two shafts of combined threaded rod respectively with two output axis connections of the extra-high torsion gearbox of twin-screw, two
Two groups of fissions combination machine cylinder engaged therewith is respectively equipped on the outside of group combined threaded rod.
Split assembled machine barrel from from extrusion to the extra-high torsion gearbox of twin-screw successively by the silent machine barrel of a high abrasion,
Three common silent machine barrels, " C " type opening machine barrel, the silent machine barrel of three high abrasions, a common silent machine barrel and one
The opening machine barrel combination of " C " type is connected by screw to." C " type opening machine barrel is interior edge nickel-base alloy set, common silent machine barrel material
For interior casting nickel-base alloy, the silent machine barrel of high abrasion is entirety SKD11.The difference of different parts structure and material, it is therefore an objective to be
Under the premise of guaranteeing service life reduce cost.
The screw diameter of two groups of combined threaded rods is different, wherein than another group combined threaded rod of the screw diameter of one group of combined threaded rod
Screw diameter it is thick.
The draw ratio of combined threaded rod is 40:1, maximum speed 700r/min.
The unit is directly produced using one-step method (pellet+powder), is the poly- of 200mm-800mm mainly for the production of diameter
Alkene double-wall corrugated pipe.Wherein, the thicker screw rod of diameter is used to produce the outer wall of double-wall corrugated pipe, and the thinner screw rod of diameter is used for
Produce the inner wall of double-wall corrugated pipe.
Combined threaded rod uses fabricated structure, measures from extrusion to the extra-high torsion gearbox direction of twin-screw by plasticizing
Section, mixing section and conveying section combination are constituted.
From extrusion to the extra-high torsion gearbox direction of twin-screw, with the silent machine of unification high abrasion on the outside of plasticizing metering section
Cylinder, three common silent machine barrels, " C " type opening machine barrel, mixing section outside cooperates two silent machine barrels of high abrasion, conveying section
Outside is with the silent machine barrel of unification high abrasion, a common silent machine barrel and " C " type opening machine barrel.
From extrusion to the extra-high torsion gearbox direction of twin-screw, the modeling of one group of thicker screw rod of the combined threaded rod diameter
The model for changing metering root module is followed successively by three SF80/80, seven SF96/96, four SF128/128, is kneaded the type of root module
Number be followed successively by DG10,90 °/5/56,60 °/4/56,45 °/5/72,72/72, two 45 °/5/56,45 °/5/72,72/72,
45 °/5/56,30 °/7/72, the model for conveying root module is followed successively by 72/72, three 96/96,112/56SKG, three 112/
112SK、56/56A。
From extrusion to the extra-high torsion gearbox direction of twin-screw, the modeling of the thinner one group of screw rod of combined threaded rod diameter
The model for changing metering root module is followed successively by two SF56/56, five SF72/72, four SF88/88, three SF112/112, mixes
Refining root module model be followed successively by DG10,90 °/5/56,60 °/4/44,45 °/5/56,56/56,90 °/5/56,45 °/5/44,
45 °/5/56, two 56/56,45 °/5/72,30 °/7/72, convey root module model be followed successively by three 56/56,64/64,
88/44SKG, three 88/88SK, 44/44A.
The utility model has the beneficial effects that optimize the prior art, double-wall corrugated inner tube layer and outer can be provided simultaneously
Layer plastic material, structure is simple, and screw speed is high, draw ratio is long, and plasticizing effect is good, eliminates granulation process, can be used directly
The double-screw plastic extrusion machine group of pellet or powder production double-wall corrugated pipe, so that the plasticizing quality of double-wall corrugated pipe has obtained greatly
Amplitude improves, and tubing production cost is significantly reduced, and pipe workpiece quality is largely increased.
Detailed description of the invention
Attached drawing 1 is double-wall corrugated effective corotating twin-screw plastic extruder schematic diagram.
Attached drawing 2 is double-wall corrugated effective corotating twin-screw plastic extruder primary structure top view.
Attached drawing 3 is combination machine barrel combining structure schematic diagram.
Attached drawing 4 is combined threaded rod structural schematic diagram.
Appended drawing reference: extra-high torsion gearbox 2- Split assembled machine barrel 3- combined threaded rod 4- " C " the type opening of 1- twin-screw
Commonly silent machine barrel 6- high abrasion silent machine barrel 7- conveying section 8- mixing section 9- is plasticized metering section to machine barrel 5-
Specific embodiment
The utility model is further explained with reference to the accompanying drawing.Based on the embodiments of the present invention, this field is general
Logical technical staff other embodiments obtained without creative efforts belong to the utility model protection
Range.
As shown in Figure 1, Figure 2, the utility model is a kind of double-wall corrugated effective corotating twin-screw plastic extrusion unit, including
The extra-high torsion gearbox 1 of twin-screw, Split assembled machine barrel 2, combined threaded rod 3, the identical, diameter including two root knot structures of combined threaded rod 3
Identical screw rod, two shafts of combined threaded rod 3 respectively with two output axis connections of the extra-high torsion gearbox 1 of twin-screw, two
Two groups of fission combination machines cylinder 2 engaged therewith is respectively equipped on the outside of group combined threaded rod 3.
A kind of composite structure of Split assembled machine barrel 2 of the utility model embodiment such as Fig. 3, Split assembled machine barrel 2 from
Successively by the silent machine barrel of a high abrasion 6, three common silent machine barrels 5, one at extrusion to the extra-high torsion gearbox 1 of twin-screw
A silent machine barrel 6, one common silent machine barrels 5 of " C " type opening 4, three high abrasions of machine barrel and " C " type are open 4 groups of machine barrel
Conjunction is bolted." C " type is open machine barrel 4 as interior edge nickel-base alloy set, and common silent 5 material of machine barrel is the interior Ni-based conjunction of casting
Gold, the silent machine barrel 6 of high abrasion are entirety SKD11.The difference of different parts structure and material, in order to guarantee to use the longevity
Cost is reduced under the premise of life.
The draw ratio of combined threaded rod 3 is 40:1, maximum speed 700r/min.
The screw diameter of two groups of combined threaded rods 3 is different, wherein than another group combination spiral shell of the screw diameter of one group of combined threaded rod 3
The screw diameter of bar 3 is thick.The screw diameter of combined threaded rod 3 is respectively 72mm and 65mm in the present embodiment.
The unit is directly produced using one-step method (pellet+powder), is the poly- of 200mm-800mm mainly for the production of diameter
Alkene double-wall corrugated pipe.Wherein, diameter is that the screw rod of 72mm is used to produce the outer wall of double-wall corrugated pipe, and diameter is the screw rod of 65mm
For producing the inner wall of double-wall corrugated pipe.
Combined threaded rod 3 uses fabricated structure, measures from extrusion to extra-high 1 direction of torsion gearbox of twin-screw by plasticizing
Section 9, mixing section 8 and the combination of conveying section 7 are constituted.Wherein, conveying section 7 is the screw thread module composition of n different size, mixing section 8
For the ladder module of n different angle and the screw thread block combiner composition of different size, plasticizing metering section 9 is n different size
Screw thread module composition.
From extrusion to extra-high 1 direction of torsion gearbox of twin-screw, it is plasticized on the outside of metering section 9 silent with a high abrasion is unified
5, " C " types of machine barrel 6, three common silent machine barrels are open machine barrels 4, cooperate two silent machine barrels of high abrasion on the outside of mixing section 8
6, with unifying silent machine barrel 6, one common silent machine barrels 5 of high abrasion and " C " type opening machine barrel 4 on the outside of conveying section 7.
It is a kind of composite structure of combined threaded rod 3 of the utility model embodiment such as Fig. 4, it is special from extrusion to twin-screw
1 direction of high torque gear-box, 3 diameter of combined threaded rod are that the model of plasticizing 9 module of metering section of one group of screw rod of 72mm is followed successively by
Three SF80/80, seven SF96/96, four SF128/128, the model of 8 module of mixing section be followed successively by DG10,90 °/5/56,
60 °/4/56,45 °/5/72,72/72, two 45 °/5/56,45 °/5/72,72/72,45 °/5/56,30 °/7/72, conveying section 7
The model of module is followed successively by 72/72, three 96/96,112/56SKG, three 112/112SK, 56/56A.
From extrusion to extra-high 1 direction of torsion gearbox of twin-screw, 3 diameter of combined threaded rod is the modeling of one group of screw rod of 65mm
The model for changing 9 module of metering section is followed successively by two SF56/56, five SF72/72, four SF88/88, three SF112/112, mixes
Refining 8 module of section model be followed successively by DG10,90 °/5/56,60 °/4/44,45 °/5/56,56/56,90 °/5/56,45 °/5/44,
45 °/5/56, two 56/56,45 °/5/72,30 °/7/72, the model of 7 module of conveying section be followed successively by three 56/56,64/64,
88/44SKG, three 88/88SK, 44/44A.Above-mentioned screw thread module is described by the way of " lead/axial length ", such as
(SF80/80) " SF " is the screw thread module code name (not specified is then standard thread module), and first " 80 " expression is led
Journey is 80mm, and second " 80 " expression axial length is 80mm.Ladder module is using " stagger arrangement angle/kneading disk quantity/module is long
The mode of degree " describes, such as (90 °/5/56) indicates that the ladder module is to be made of the kneading disk that 5 stagger arrangement angles are 90 °
Axial length is the ladder module of 56mm.
Two kinds of screw rods are respectively adopted different fabricated structures, two kinds of screw-rod structures of announcement be basic structure type it
One, different structural adjustments is had according to formula variation.
Due to using special screw combinations, mixing internal mixing pass is strengthened, pellet or powder production can be used directly
Double-wall corrugated pipe eliminates granulation process.
When work, motor drives the extra-high torsion gearbox 1 of corotating twin-screw to rotate, and then drives special combination screw rod
3 rotations.Hopper is connected on " C " the type opening machine barrel 4 on 2 the right of Split assembled machine barrel, and powder or pellet pass through top hopper
Into inside Split assembled machine barrel 2, conveying section 7, mixing section 8 and plasticizing are passed sequentially through by the rotation of special combination screw rod 3 and counted
Section 9 is measured, the inside and outside wall materials in the tube of polyolefin double-wall corrugated pipe are eventually formed.
The general principles defined herein can without departing from the spirit or scope of the present utility model, at it
It is realized in its embodiment.
Claims (8)
1. a kind of double-wall corrugated effective corotating twin-screw plastic extrusion unit, including the extra-high torsion gearbox of twin-screw (1),
Split assembled machine barrel (2), combined threaded rod (3), it is characterised in that: combined threaded rod (3) includes that two root knot structures are identical, diameter is identical
Screw rod, two shafts of combined threaded rod (3) respectively with two output axis connections of the extra-high torsion gearbox of twin-screw (1), two groups
Two groups of fission combination machines cylinder (2) engaged therewith is respectively equipped on the outside of combined threaded rod (3).
2. double-wall corrugated effective corotating twin-screw plastic extrusion unit according to claim 1, it is characterised in that: described
Split assembled machine barrel (2) is at from extrusion to the extra-high torsion gearbox of twin-screw (1) successively by a silent machine barrel of high abrasion
(6), three common silent machine barrels (5), " C " type opening machine barrel (4), three silent machine barrels of high abrasion (6), one commonly close
Mouth machine barrel (5) and " C " type opening machine barrel (4) assemble and are connected by screw to.
3. double-wall corrugated effective corotating twin-screw plastic extrusion unit according to claim 1, it is characterised in that: described
Combined threaded rod (3) uses fabricated structure, from extrusion to the extra-high torsion gearbox of twin-screw (1) direction by plasticizing metering section
(9), mixing section (8) and conveying section (7) combination are constituted.
4. double-wall corrugated effective corotating twin-screw plastic extrusion unit according to claim 1, it is characterised in that: described
The screw diameter of two groups of combined threaded rods (3) is different.
5. double-wall corrugated effective corotating twin-screw plastic extrusion unit according to claim 1, it is characterised in that: described
The draw ratio of combined threaded rod (3) is 40:1, maximum speed 700r/min.
6. double-wall corrugated effective corotating twin-screw plastic extrusion unit according to claim 3, it is characterised in that: from squeeze
Be exported to the extra-high torsion gearbox of twin-screw (1) direction, on the outside of plasticizing metering section (9) with unify the silent machine barrel of high abrasion (6),
Three common silent machine barrels (5), " C " type opening machine barrel (4), mixing section (8) outside cooperate two silent machine barrels of high abrasion
(6), with the unification silent machine barrel of high abrasion (6), a common silent machine barrel (5) and " C " type opening on the outside of conveying section (7)
Machine barrel (4).
7. double-wall corrugated effective corotating twin-screw plastic extrusion unit according to claim 4, it is characterised in that: from squeeze
It is exported to the extra-high torsion gearbox of twin-screw (1) direction, the plasticizing metering of one group of thicker screw rod of combined threaded rod (3) diameter
The model of section (9) module is followed successively by three SF80/80, seven SF96/96, four SF128/128, the type of mixing section (8) module
Number be followed successively by DG10,90 °/5/56,60 °/4/56,45 °/5/72,72/72, two 45 °/5/56,45 °/5/72,72/72,
45 °/5/56,30 °/7/72, the model of conveying section (7) module is followed successively by 72/72, three 96/96,112/56SKG, three 112/
112SK、56/56A。
8. double-wall corrugated effective corotating twin-screw plastic extrusion unit according to claim 4, it is characterised in that: from squeeze
It is exported to the extra-high torsion gearbox of twin-screw (1) direction, the plasticizing metering of the thinner one group of screw rod of combined threaded rod (3) diameter
The model of section (9) module is followed successively by two SF56/56, five SF72/72, four SF88/88, three SF112/112, mixing section
(8) model of module be followed successively by DG10,90 °/5/56,60 °/4/44,45 °/5/56,56/56,90 °/5/56,45 °/5/44,
45 °/5/56, two 56/56,45 °/5/72,30 °/7/72, the model of conveying section (7) module is followed successively by three 56/56,64/
64,88/44SKG, three 88/88SK, 44/44A.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820410235 | 2018-03-26 | ||
| CN2018204102351 | 2018-03-26 |
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| CN208576169U true CN208576169U (en) | 2019-03-05 |
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| CN201820550440.8U Active CN208576169U (en) | 2018-03-26 | 2018-04-18 | Double-wall corrugated effective corotating twin-screw plastic extrusion unit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108556303A (en) * | 2018-03-26 | 2018-09-21 | 大连三垒科技有限公司 | Double-wall corrugated effective corotating twin-screw plastic extrusion unit |
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2018
- 2018-04-18 CN CN201820550440.8U patent/CN208576169U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108556303A (en) * | 2018-03-26 | 2018-09-21 | 大连三垒科技有限公司 | Double-wall corrugated effective corotating twin-screw plastic extrusion unit |
| CN108556303B (en) * | 2018-03-26 | 2023-11-17 | 大连三垒科技有限公司 | Co-directional parallel double-screw plastic extruder set for double-wall corrugated pipe |
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