CN110303658A - A kind of double screw extruder - Google Patents
A kind of double screw extruder Download PDFInfo
- Publication number
- CN110303658A CN110303658A CN201910691326.6A CN201910691326A CN110303658A CN 110303658 A CN110303658 A CN 110303658A CN 201910691326 A CN201910691326 A CN 201910691326A CN 110303658 A CN110303658 A CN 110303658A
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- screw rod
- screw
- section
- extruder according
- screw extruder
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- 230000007246 mechanism Effects 0.000 claims abstract description 18
- 239000000463 material Substances 0.000 claims description 27
- 230000006835 compression Effects 0.000 claims description 17
- 238000007906 compression Methods 0.000 claims description 17
- 230000000903 blocking effect Effects 0.000 claims description 13
- 230000008878 coupling Effects 0.000 claims description 13
- 238000010168 coupling process Methods 0.000 claims description 13
- 238000005859 coupling reaction Methods 0.000 claims description 13
- 238000009434 installation Methods 0.000 claims description 2
- 230000006872 improvement Effects 0.000 description 16
- 239000004033 plastic Substances 0.000 description 10
- 229920003023 plastic Polymers 0.000 description 10
- 238000010586 diagram Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 238000001125 extrusion Methods 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 230000003028 elevating effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
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- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a kind of double screw extruders, including machine barrel, the first screw rod, the second screw rod and driving mechanism；The machine barrel is provided with accommodating cavity, and the side wall of the machine barrel is provided with the feed inlet for being connected to the accommodating cavity；First screw rod and second screw rod stretch in the accommodating cavity, and first screw rod and second screw rod are intermeshed, and the driving mechanism connect with first screw rod and first screw rod can be driven to rotate；First screw rod and second screw rod are provided with active section, and the diameter of the diameter of the active section of second screw rod active section corresponding with first screw rod is not identical.
Description
Technical field
The present invention relates to machinery field more particularly to a kind of double screw extruders.
Background technique
The principle of extruder is the screw rod using specific shape, is rotated in the machine barrel of heating, screw surface is provided with respectively
There is an active section of different lines shapes, each active section plays the role of different, will be squeezed forward, is made by the plastics sent in hopper
Plastics molten homogeneous makes plastics be squeezed into successional required modeling of various shapes by head and mold of different shapes
The bed of material.
Extruder is broadly divided into single screw extrusion machine and double screw extruder, and existing double screw extruder is using motor
The identical screw rod of two radial dimensions is driven by reduction gearbox, the gearbox drive of this extruder generates biggish vibration and makes an uproar
Sound makes working environment be deteriorated.
Summary of the invention
In order to overcome the disadvantages and deficiencies of the prior art, the invention discloses a kind of double screw extruders, including machine barrel,
One screw rod, the second screw rod and driving mechanism；The machine barrel is provided with accommodating cavity, the side wall of the machine barrel be provided be connected to it is described
The feed inlet of accommodating cavity；First screw rod and second screw rod stretch in the accommodating cavity, first screw rod and institute
The intermeshing of the second screw rod is stated, the driving mechanism connect with first screw rod and first screw rod can be driven to rotate；Institute
It states the first screw rod and second screw rod is provided with active section, the diameter of the active section of second screw rod and first spiral shell
The diameter of the corresponding active section of bar is not identical.
As a further improvement of the present invention, the diameter of the active section of second screw rod is more corresponding than first screw rod
The diameter of active section is small.
It as a further improvement of the present invention, further include the first mesh gear shaft and the second mesh gear shaft, described first
Mesh gear shaft and second mesh gear shaft are intermeshed；First mesh gear shaft is connect with the driving mechanism.
As a further improvement of the present invention, first mesh gear shaft and second mesh gear shaft are located at described
Outside machine barrel.
It as a further improvement of the present invention, further include first shaft coupling and second shaft coupling, first meshing gear
Axis is connect by first shaft coupling with first screw rod；Second mesh gear shaft passes through second shaft coupling and described second
Screw rod connection.
As a further improvement of the present invention, the active section of first screw rod includes feeding section, first screw rod
Feeding section have feeding screw thread.
As a further improvement of the present invention, second screw rod is in position corresponding with the feeding section of first screw rod
It is provided with the second screw feeding section, the second screw feeding section includes to set gradually from the connector to the discharge port
Polished rod portion, envelope material screw thread and feeding screw thread.
As a further improvement of the present invention, the machine barrel is provided with inwardly projecting blocking part, and the blocking part is located at
Between the first screw feeding section and the envelope material screw thread and polished rod portion of the second screw feeding section.
As a further improvement of the present invention, second screw rod is in position corresponding with the feeding section of first screw rod
It is provided with the second screw feeding section, the second screw feeding section includes to set gradually from the connector to the discharge port
Polished rod portion, envelope material screw thread and feeding screw thread.
As a further improvement of the present invention, the machine barrel is provided with inwardly projecting blocking part, and the blocking part is located at
Between the first screw feeding section and the envelope material screw thread and polished rod portion of the second screw feeding section.
As a further improvement of the present invention, the feeding section of first screw rod includes multiple thread bush blocks.
As a further improvement of the present invention, the active section of first screw rod includes compression section and mixing fluxing zone；Institute
The active section for stating the second screw rod includes the compression section set gradually and mixing fluxing zone.
As a further improvement of the present invention, the compression section and the mixing fluxing zone include multiple operation blocks.
As a further improvement of the present invention, operation block adjacent in the compression section mutually stagger certain angle so that
Multiple operation blocks in the compression section helically arrange by formula.
As a further improvement of the present invention, operation block adjacent in the mixing fluxing zone mutually staggers 90 °.
As a further improvement of the present invention, the operation block is flat piece of ellipse for being provided with mounting hole.
As a further improvement of the present invention, the accommodating cavity includes the first accommodating cavity and the second accommodating for being tubular
Chamber, for first accommodating cavity for accommodating first screw rod, second accommodating cavity is described for accommodating second screw rod
The diameter of first accommodating cavity is bigger than the diameter of second accommodating cavity.
A kind of double screw extruder of the invention is by being arranged to the corresponding diameter of the second screw rod than first screw rod
Corresponding diameter is small, allows to drive the first screw rod that the second screw rod is driven to rotate by driving mechanism, avoids setting and subtract
Fast case reduces the noise generated when work.
In order to better understand and implement, the invention will now be described in detail with reference to the accompanying drawings.
Detailed description of the invention
Fig. 1 is the schematic diagram of the embodiment of the present invention one.
Fig. 2 is the positive cross-sectional view of the embodiment of the present invention one.
Fig. 3 is the overhead sectional view of the embodiment of the present invention one.
Fig. 4 be in Fig. 3 A-A to cross-sectional view.
Fig. 5 is the perspective view of the explosion of one first screw rod of the embodiment of the present invention.
Fig. 6 is the schematic diagram of operation block of the present invention.
Fig. 7 is the schematic diagram of the first screw compression section of the invention.
Fig. 8 is the schematic diagram of the first screw mixing fluxing zone of the invention.
Fig. 9 is the schematic cross-section of the first screw mixing fluxing zone of the invention.
Figure 10 is the schematic diagram of the embodiment of the present invention two.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, and for explaining only the invention, and is not considered as limiting the invention.
Embodiment one
Fig. 1-9 is please referred to, the invention discloses a kind of double screw extruders comprising machine barrel 10, the first screw rod 20, second
Screw rod 30 and driving mechanism 40；The machine barrel 10 is provided with accommodating cavity, and the side wall of the machine barrel 10, which is provided with, is connected to the appearance
Set the feed inlet 11 of chamber；First screw rod 20 and second screw rod 30 stretch in the accommodating cavity, first screw rod
20 are intermeshed with second screw rod 30, and first screw rod 20 and second screw rod 30 are provided with multiple active sections,
The diameter of the diameter of the active section of second screw rod active section corresponding from first screw rod is different.In the present embodiment, institute
The diameter for stating the active section of the second screw rod 30 is smaller than the diameter of the corresponding active section of first screw rod 20.The driving mechanism 40
It is connect with first screw rod 20 and first screw rod 20 can be driven to rotate.Setting in this way, so that the second screw rod 30
The diameter of corresponding active section is less than the diameter of 20 active section of the first screw rod, and rotation torsion needed for this extruder subtracts
It is small, thus gear-box can be saved, the issuable noise of gear-box is avoided, directly drives described by driving mechanism 40
The rotation of one screw rod 20, first screw rod 20 drive second screw rod 30 to rotate, extrusion process can be completed.The active section
Referring to may be provided with multiple and different active sections on one section of lines that screw surface is formed a, screw rod, and each active section is set
The lines set plays the role of specific, such as may be implemented the operation such as to convey plastic grain, roll, melt.
In the present embodiment, 10 both ends of machine barrel are respectively arranged with the discharge port 12 and connector for being connected to the accommodating cavity
13, first screw rod 20 and second screw rod 30 are inserted into from the connector 13, and first screw rod 20 passes through close to institute
The one end for stating connector 13 is connect with the driving mechanism 40.Plastic material completes the discharge port 12 after processing from the machine barrel 10
It squeezes out.The accommodating cavity length direction extends along the connector 13 between the discharge port 12.It is arranged outside the machine barrel 10
There is elevating hopper 60, elevating hopper 60 is connected to the feed inlet 11, and plastic raw materials are fallen into from the feed inlet 11 to the accommodating cavity
Interior and extrusion process through first screw rod 20 and second screw rod 30.In described the present embodiment, the accommodating cavity includes
It is the first accommodating cavity 14 and the second accommodating cavity 15 of tubular, first accommodating cavity 14 is used to accommodate first screw rod 20,
Second accommodating cavity 15 is for accommodating second screw rod 30, and the diameter of first accommodating cavity 14 is than second accommodating cavity
15 diameter is big.First accommodating cavity 14 partially overlaps with second accommodating cavity 15, so that first screw rod 20
Part active section and second screw rod 30 the intermeshing of part active section to being processed to plastics.
In the present embodiment, extruder further includes the first mesh gear shaft 21 and the second mesh gear shaft 31.First spiral shell
Bar 20 is connect with first mesh gear shaft 21, and second screw rod 30 is connect with second mesh gear shaft 31, described
First mesh gear shaft 21 is intermeshed with second mesh gear shaft 31, first mesh gear shaft 21 and the driving
Mechanism 40 connects.Particularly, different screw rods is replaced for convenience, in the present embodiment, extruder further includes 201 He of first shaft coupling
Second shaft coupling 301, first mesh gear shaft 21 are connect by first shaft coupling 201 with first screw rod 20；It is described
Second mesh gear shaft 31 is connect by second shaft coupling 301 with second screw rod 30.First mesh gear shaft, 21 He
Second mesh gear shaft 31 is between the discharge port 12 and the driving mechanism 40, namely is arranged in the machine barrel 10
Outside also can be set inside the machine barrel 10 in other embodiments.When the driving mechanism 40 drives described first
When mesh gear shaft 21 rotates, first screw rod 20 is rotated with first mesh gear shaft 21, first engaging tooth
Wheel shaft 21 drives second mesh gear shaft 31 to rotate, and second mesh gear shaft 31 drives 30 turns of second screw rod
It is dynamic.In the present embodiment, first mesh gear shaft 21 and second mesh gear shaft 31 are located at outside the machine barrel 10, this
The setting of sample can be influenced to avoid the transmission between two screw rods by process in machine barrel 10, to guarantee screw drive
Stability.
In the present embodiment, first screw rod 20 is set gradually from the connector 13 to the active section of the discharge port 12
There are feeding section 22, compression section 23 and is kneaded fluxing zone 24.The feeding screw thread that the feeding section 22 has is equidistant gradual change screw thread.Modeling
Expect that raw material slides from the feed inlet 11 between the screw thread of the feeding section, then passes through the constantly rotation of the first screw rod 20
To drive plastic raw materials to move to discharge port 12.First screw rod 20 is provided with envelope material spiral shell close to one end of the connector 13
Line 202, avoids material from flowing out.
In the present embodiment, second screw rod is provided with the second spiral shell in position corresponding with the feeding section of first screw rod
Bar feeding section, the second screw feeding section include feeding screw thread 331, envelope material screw thread 321 and polished rod portion 322.Envelope material screw thread
Length without too long, as long as playing the role of sealing material.Envelope material section a part of second screw rod 30 is provided with envelope material spiral shell
Line, another part are polished rod, and the setting of the envelope material reach in the present embodiment can reduce 30 envelope material screw thread of the second screw rod
Process time.Second screw rod 30 is disposed with envelope material section from the connector 13 to the active section of the discharge port 12
32, feeding section 33, compression section 34 and mixing fluxing zone 35.
In the present embodiment, first screw rod 20 and second screw rod 30 include a swingle and multiple thread bush
Block.As shown in figure 5, the feeding section of first screw rod 20 includes multiple thread bush blocks 252, the appearance of the thread bush block 252
Face is provided with feeding screw thread, and multiple thread bush blocks 252 are set in outside the swingle 251, the swingle 251 and first
Shaft coupling 201 connects.When there is feeding thread damage, the thread bush block 252 where the feeding screw thread of replacement damage can be passed through
It debugs, to reduce maintenance cost.The driving mechanism 40 drives the swingle 251 to rotate.In other embodiments
In, the first screw rod 20 and second screw rod 30 include a swingle and feeding screw thread, and the feeding screw thread is integral
For the Screw assembly of formula on swingle, its integral strength of the screw thread of monoblock type has more excellent effect to the conveying of big torsion.
In the present embodiment, the compression section 23 and the mixing fluxing zone 24 of first screw rod 20 and second screw rod 30
It include multiple operation blocks 253.Adjacent operation block 253 mutually staggers certain angle so that described in the compression section 23
Multiple operation blocks 253 in compression section 23 helically arrange by formula, and such setting can effectively crush plastic grain.It is described mixed
Adjacent operation block mutually staggers 90 ° in refining fluxing zone 24, and such setting is so that the course of work is more stable.The present embodiment
In, the operation block is flat piece of ellipse for being provided with mounting hole 254, and the operation block 253 is mounted on by the mounting hole 254
Outside the swingle 251.
The compression section of above-mentioned two screw rods and mixing fluxing zone are all made of trapezoidal double thread.In the present embodiment, the drive
Motivation structure 40 is motor.
Preferably, machine barrel described in this extruder is provided with inwardly projecting blocking part 50, and the blocking part 50 is located at described
Between the envelope material screw thread 321 and polished rod portion 322 of 30 feeding section of first screw rod, 20 feeding section and second screw rod.The blocking part
50 can prevent plastics from falling in the polished rod portion of the second screw rod, avoid being lost.
A kind of double screw extruder of the invention is by being arranged to the corresponding diameter of the second screw rod than first screw rod
Corresponding diameter is small, allows to drive the first screw rod that the second screw rod is driven to rotate by driving mechanism, avoids setting and subtract
Fast case reduces the noise generated when work.
Embodiment two
Referring to Fig. 10, second screw rod can be not provided with feeding section, such setting so that second screw rod not
Need to bear biggish torsion, the diameter of second screw rod thus can be set into than first screw rod diameter more
It is small.Second screw rod position corresponding with the feeding section of first screw rod be provided with envelope material section, from the connector to
The polished rod portion 362 and envelope material screw thread 361 that the discharge port is set gradually.The machine barrel is provided with inwardly projecting blocking part 363,
The blocking part 363 is located between the feeding section of first screw rod and the envelope material section of second screw rod.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
The side of the instructions such as " thickness ", "upper", "lower", "left", "right", "top", "bottom", "inner", "outside", " axial direction ", " radial direction ", " circumferential direction "
Position or positional relationship are to be based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description of the present invention and simplification of the description,
Rather than the device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation, because
This cannot understand limitation of the present invention.In addition, term " first ", " second " are used for description purposes only, and should not be understood as referring to
Show or imply relative importance or implicitly indicates the quantity of indicated technical characteristic." first ", " second " are defined as a result,
Feature can explicitly or implicitly include one or more of the features.In the description of the present invention, unless otherwise saying
Bright, the meaning of " plurality " is two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
In the present invention unless specifically defined or limited otherwise, fisrt feature second feature "upper" or "lower"
It may include that the first and second features directly contact, also may include that the first and second features are not direct contacts but pass through it
Between other characterisation contact.Moreover, fisrt feature includes the first spy above the second feature " above ", " above " and " above "
Sign is right above second feature and oblique upper, or is merely representative of first feature horizontal height higher than second feature.Fisrt feature exists
Second feature " under ", " lower section " and " following " include fisrt feature right above second feature and oblique upper, or be merely representative of
First feature horizontal height is less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " illustrative examples ",
The description of " example ", " specific example " or " some examples " etc. means specific features described in conjunction with this embodiment or example, knot
Structure, material or feature are included at least one embodiment or example of the invention.In the present specification, to above-mentioned term
Schematic representation may not refer to the same embodiment or example.Moreover, specific features, structure, material or the spy of description
Point can be combined in any suitable manner in any one or more of the embodiments or examples.
The invention is not limited to above embodiment, if not departing from the present invention to various changes or deformation of the invention
Spirit and scope, if these changes and deformation belong within the scope of claim and equivalent technologies of the invention, then this hair
It is bright to be also intended to encompass these changes and deformation.
Claims (17)
1. a kind of double screw extruder, it is characterised in that: including machine barrel, the first screw rod, the second screw rod and driving mechanism；The machine
Cylinder is provided with accommodating cavity, and the side wall of the machine barrel is provided with the feed inlet for being connected to the accommodating cavity；First screw rod and institute
It states the second screw rod to stretch in the accommodating cavity, first screw rod and second screw rod are intermeshed, the driving mechanism
It is connect with first screw rod and first screw rod can be driven to rotate；First screw rod and second screw rod are provided with
The diameter of active section, the diameter of the active section of second screw rod active section corresponding with first screw rod is not identical.
2. a kind of double screw extruder according to claim 1, it is characterised in that: the active section of second screw rod it is straight
The diameter of diameter active section more corresponding than first screw rod is small.
3. a kind of double screw extruder according to claim 1 or 2, it is characterised in that: further include the first mesh gear shaft
With the second mesh gear shaft, first mesh gear shaft and second mesh gear shaft are intermeshed；First engagement
Gear shaft is connect with the driving mechanism.
4. a kind of double screw extruder according to claim 3, it is characterised in that: first mesh gear shaft and described
Second mesh gear shaft is located at outside the machine barrel.
5. according to a kind of double screw extruder as claimed in claim 3, it is characterised in that: further include first shaft coupling and the second shaft coupling
Device, first mesh gear shaft are connect by first shaft coupling with first screw rod；Second mesh gear shaft passes through
Second shaft coupling is connect with second screw rod.
6. a kind of double screw extruder according to claim 1, it is characterised in that: the active section of first screw rod includes
There is feeding section, the feeding section of first screw rod has feeding screw thread.
7. a kind of double screw extruder according to claim 6, it is characterised in that: second screw rod is with described first
The corresponding position of feeding section of screw rod is provided with the second screw feeding section, and the second screw feeding section includes from the connection
Polished rod portion, envelope material screw thread and the feeding screw thread that mouth is set gradually to the discharge port.
8. a kind of double screw extruder according to claim 7, it is characterised in that: the machine barrel is provided with inwardly projecting
Blocking part, the blocking part are located at envelope material screw thread and the polished rod portion of the first screw feeding section and the second screw feeding section
Between.
9. a kind of double screw extruder according to claim 6, it is characterised in that: second screw rod is with described first
The corresponding position of feeding section of screw rod be provided with envelope material section, the envelope material section include from the connector to the discharge port successively
The polished rod portion of setting and envelope material screw thread.
10. a kind of double screw extruder according to claim 9, it is characterised in that: the machine barrel is provided with inwardly projecting
Blocking part, the blocking part is located between the feeding section of first screw rod and the envelope material section of second screw rod.
11. a kind of double screw extruder according to claim 6, it is characterised in that: the feeding section packet of first screw rod
Include multiple thread bush blocks.
12. a kind of double screw extruder according to claim 1, it is characterised in that: the active section packet of first screw rod
It includes compression section and is kneaded fluxing zone；The active section of second screw rod includes compression section and mixing fluxing zone.
13. a kind of double screw extruder according to claim 12, it is characterised in that: the compression section and mixing modeling
Changing Duan Jun includes multiple operation blocks.
14. a kind of double screw extruder according to claim 13, it is characterised in that: adjacent work in the compression section
Block mutually stagger certain angle so that multiple operation blocks in the compression section helically formula is arranged.
15. a kind of double screw extruder according to claim 13, it is characterised in that: adjacent in the mixing fluxing zone
Operation block mutually staggers 90 °.
16. a kind of double screw extruder according to claim 13, it is characterised in that: the operation block is to be provided with installation
Flat piece of the ellipse in hole.
17. a kind of double screw extruder according to claim 1, it is characterised in that: the accommodating cavity includes the first accommodating
Chamber and the second accommodating cavity, for first accommodating cavity for accommodating first screw rod, second accommodating cavity is described for accommodating
Second screw rod.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810855712 | 2018-07-31 | ||
| CN201810855712X | 2018-07-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110303658A true CN110303658A (en) | 2019-10-08 |
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ID=68081929
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910691326.6A Pending CN110303658A (en) | 2018-07-31 | 2019-07-29 | A kind of double screw extruder |
| CN201921210511.0U Active CN210820794U (en) | 2018-07-31 | 2019-07-29 | Double-screw extruder |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921210511.0U Active CN210820794U (en) | 2018-07-31 | 2019-07-29 | Double-screw extruder |
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| Country | Link |
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| CN (2) | CN110303658A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110303658A (en) * | 2018-07-31 | 2019-10-08 | 江门欧佩德晶华轻工机械有限公司 | A kind of double screw extruder |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3420918A1 (en) * | 1984-06-05 | 1985-12-05 | Johannes Dr. 8640 Kronach Weber | Twin-screw extruder |
| US6298751B1 (en) * | 1996-11-07 | 2001-10-09 | Toshiba Kikai Kabushiki Kaisha | Drive transmission apparatus for twin-screw extruder |
| CN101426635A (en) * | 2005-11-16 | 2009-05-06 | 尤尼威蒂恩技术有限责任公司 | High speed and direct driven rotating equipment for polyolefin manufacturing |
| CN203543077U (en) * | 2013-10-30 | 2014-04-16 | 吴江市科时达纺织有限公司 | Single-drive twin-screw extruder |
| CN107139425A (en) * | 2017-07-11 | 2017-09-08 | 广东轻工职业技术学院 | Strongly tensile differential multi-screw extruder in the same direction and its processing method |
| CN210820794U (en) * | 2018-07-31 | 2020-06-23 | 江门欧佩德晶华轻工机械有限公司 | Double-screw extruder |
-
2019
- 2019-07-29 CN CN201910691326.6A patent/CN110303658A/en active Pending
- 2019-07-29 CN CN201921210511.0U patent/CN210820794U/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3420918A1 (en) * | 1984-06-05 | 1985-12-05 | Johannes Dr. 8640 Kronach Weber | Twin-screw extruder |
| US6298751B1 (en) * | 1996-11-07 | 2001-10-09 | Toshiba Kikai Kabushiki Kaisha | Drive transmission apparatus for twin-screw extruder |
| CN101426635A (en) * | 2005-11-16 | 2009-05-06 | 尤尼威蒂恩技术有限责任公司 | High speed and direct driven rotating equipment for polyolefin manufacturing |
| CN203543077U (en) * | 2013-10-30 | 2014-04-16 | 吴江市科时达纺织有限公司 | Single-drive twin-screw extruder |
| CN107139425A (en) * | 2017-07-11 | 2017-09-08 | 广东轻工职业技术学院 | Strongly tensile differential multi-screw extruder in the same direction and its processing method |
| CN210820794U (en) * | 2018-07-31 | 2020-06-23 | 江门欧佩德晶华轻工机械有限公司 | Double-screw extruder |
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| Publication number | Publication date |
|---|---|
| CN210820794U (en) | 2020-06-23 |
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