CN106553325B - A kind of double screw extruder that shearing mixing area's kneading block can change automatically - Google Patents
A kind of double screw extruder that shearing mixing area's kneading block can change automatically Download PDFInfo
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- CN106553325B CN106553325B CN201611119149.7A CN201611119149A CN106553325B CN 106553325 B CN106553325 B CN 106553325B CN 201611119149 A CN201611119149 A CN 201611119149A CN 106553325 B CN106553325 B CN 106553325B
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- kneading block
- block
- kneading
- fixed pin
- screw extruder
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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
- B29C48/50—Details of extruders
- B29C48/505—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
- B29C48/40—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
- B29C48/402—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 the screws having intermeshing parts
-
- 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
- B29C48/92—Measuring, controlling or regulating
-
- 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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92009—Measured parameter
- B29C2948/92209—Temperature
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
A kind of double screw extruder that shearing mixing area's kneading block can change automatically, hollow assembled shaft 2 including assembling components, kneading block 1 in hollow assembled shaft 2, temperature sensor 12 and angular transducer 14 on kneading block 1, a hollow shaft 3 is set in hollow assembled shaft 2, Miniature power mechanism 4 is housed on hollow shaft 3, fixed pin controller 7, they all receive controller 10 with external sense by conducting wire and connect, it is kneaded on Miniature power mechanism 4 equipped with planetary gear 5 and the shearing of kneading block 1, it is connect equipped with control shaft 8 with fixed pin 6 on fixed pin controller 7, fixed pin 6 is placed in fixed cotter way 11.Double screw extruder kneading portion using the above structure can be such that the thickness of kneading disc kneading block and stagger arrangement angle is independently changed as needed, to preferably control the temperature of process, improve the quality of extruded product.
Description
Technical field
The present invention relates to a kind of double screw extruders, are kneaded what area's temperature can change automatically more particularly to a kind of shearing
Double screw extruder.
Background technique
It is well known that the type that modern processing industry is related to material is varied, and different materials needs different add
Work condition, and wherein one of most important restrictive condition is exactly the control to temperature, for example, temperature-sensitive material needs temperature can be with
Accurately reach a value, and do not occur biggish fluctuation, so just can guarantee that rapidoprint is sufficiently plasticized and will not be excessive
Degradation；And thermoplastic material generally requires higher temperature and it is promoted sufficiently to be plasticized, depending merely on external heating may not enough rapidly.Though
So there is heating in entire screw rod region, but shearing mixing area's kneading block is that temperature is most difficult to control in double screw extruder
Region, and maximum region is influenced on material reaction, so the shearing controlled in twin-screw screw extruder is kneaded
The temperature of area's kneading block plays crucial adjustment effect to entire extrusion process.
Conventional double screw extruder is often made of fixed mode kneading block, and often kneading block is thick for this kneading portion
Degree and kneading angle are fixed.Inflexible so as to cause using, be unable to satisfy multiple material processing uses item
Part, and it is not only time-consuming and laborious because of the replacement that the change of rapidoprint mediate axis components, but also consume resource and improve cost.
Therefore, it is extremely important to plastic processing industry to design a kind of double screw extruder that kneading disc can change automatically.
Summary of the invention
It is an object of the invention to overcome the defect of above-mentioned double screw extruder in the prior art, developing one kind can be automatic
Change shearing and be kneaded area's kneading block thickness, stagger arrangement angle, carrys out real-time perfoming shearing and be kneaded the temperature controlled twin-screw of area's kneading block
Extruder.
In order to solve the above-mentioned technical problem, the present invention realizes by following technical solution:
A kind of shear is kneaded the double screw extruder that area's kneading block can change automatically, and two screw rods are assembly in machine barrel
Formula, including solid conveying section, melt zone, shearing mixing section, every screw rod outer surface is equipped with screw element, it is characterised in that:
Assemble the screw element assembled shaft be it is hollow, in hollow shaft built in the hollow space, except first piece and last block are pinched
It closes and is respectively arranged with Miniature power mechanism and fixed pin control on the hollow shaft of each kneading block part of external correspondence of block
Device, the kneading block are provided with fixed cotter way, fixed pin, temperature sensor and angular transducer；The institute of the kneading block part
State belly shirt with shaft diameter be less than the non-kneading block part and be hollow out do not play the role of carrying drive kneading block, also not
Influence Miniature power mechanism drive planetary gear is engaged with kneading block；The first piece of kneading block is secured to the spiral shell in front
On rod element, the kneading block of back is successively fixed forward with fixed pin, kneading block described in last described block be also with
What the part block of back was directly secured together, it is connected with total engine of the double screw extruder；The single kneading
The thickness range of block is in 6-10mm, in addition to the kneading block described in first piece and last block, each piece of kneading block all with it is described
The planetary gear of Miniature power mechanism on the hollow shaft of hollow space matches；Equipped with 5-8 on the kneading block
The fixed cotter way of a semicircle groove, the fixed cotter way cooperate with the fixed pin with semi-circular projection, fixed
The fixed pin of the kneading block is connected with the fixed pin controller；The fixed small power machine on the hollow shaft
Structure, the fixed pin controller, the temperature sensor, the angular transducer all receive controller with the sensing outside machine barrel and connect
It connects；The temperature sensor is embedded in one piece of intermediate kneading block, and the sensor separates three contacts and pinches in described
One end and two sides and the slightly below described kneading block edge of block are closed, for the contact except one end of test, remaining all uses thermal insulation material
Package；The angular transducer be embedded in each piece described in kneading block the described fixation cotter way below and respectively independent, institute
It every 5 degree one grade of the angular transducer stated, can be rotated in 0 to 90 degree ranges；The conducting wire of all devices all passes through described
Hollow space export in hollow shaft receives controller with sensing described in outside and is connected.
The sensing receives shearing in controller and screw extruder and is kneaded the temperature sensor of part, the angle
Sensor is connected, and can receive the signal issued by the temperature sensor, to judge whether temperature unusual fluctuations occurs, in turn
To on hollow shaft the Miniature power mechanism and the fixed pin controller issue corresponding order, it is wrong to carry out the kneading block
The change of column angle.After wherein the fixed pin controller receives order, loosened in the fixed cotter way by the control-rod
The fixed pin, then drive the planetary gear that the kneading block is promoted to rotate by the Miniature power mechanism, turn
To after suitable position, then controlling the control-rod by the fixed pin controller makes the fixed pin be fixed on the fixation again
In cotter way, to complete the variation of the kneading block thickness and stagger arrangement angle of demand, realization accurately controls temperature,
Reach to heterogeneity material with same double screw extruder carry out processing and machining accuracy it is all more accurate.
The fixed cotter way specially designs, inside have the 5-8 corresponding semicircle grooves up and down, institute can be made
Fixed pin is stated to be fixed by the groove, and the fixed pin is also special designing, in distinguishing up and down for the fixed pin
There is the semi-circular projection, corresponded to each other with the semicircle groove of the fixed cotter way, when the fixed pin is in stationary state
When, the semi-circular projection of the fixed pin is in the fixed pin controller by keeping standing shape under the action of the control-rod
State, and then make the fixed pin complete to fix with the semicircle groove mutual cooperation in the fixed cotter way；When the fixation
When pin needs to loosen, the fixed pin controller is received the semi-circular projection above and below the fixed pin by the control-rod
It rises, so that the fixed pin be made to loosen, and then realizes the rotation of the kneading block.
Equipped with the locking ring device locked is similar to inside the fixed pin, it can be with rotating shrinking, expansion of circling round.In fixation
When pin needs mobile, the fixed pin controller rotates the locking ring device in the fixed pin by the control-rod, makes thereon
Lower two semi-circular projections are contracted within the fixed pin circumference, and then the fixed pin is moved again, when described solid
When rationed marketing needs fixed, the fixed pin controller passes through the snap ring dress that the control-rod circles round in the fixed pin again
It sets, its upper and lower two described semi-circular projection is made to be returned to the state of protrusion within the fixed pin circumference again, complete to fix
Order.
The temperature sensor is embedded in the kneading block, and the sensor separates 3 test contacts in the kneading
One end and two sides of block and the outer edge of the kneading block will be slightly below to prevent friction damage, except the contact it is external one
There is temperature insulating material in face, remaining each face, prevent the temperature because of the kneading block itself from affecting what the temperature sensor measured
The accuracy of temperature of charge.
For the angular transducer using the long central axes of the kneading block as initial angle, every 5 degree set a gear, then with
Brachymedial axis final position can carry out altogether every 5 degree of angle rotation within the scope of 90 degree.
Above-mentioned technical proposal through the invention can be led to the advantage that
1. the hollow assembled shaft of the present invention different and built-in hollow shaft provided with diameter, that is, realize described
The carrying of non-kneading block original part acts on, and it is relatively independent that the kneading block original part can be made to have the characteristics that.
2. the present invention is provided with the Miniature power mechanism and the fixed pin on the hollow shaft of the kneading block part
Controller realizes the independent control of each piece of the kneading block thickness and stagger arrangement angle, pinches so that real-time control shearing is kneaded area
The temperature of block is closed, and then realizes being precisely controlled for extruder processing materials temperature.
3. the present invention is provided with the sensing outside machine barrel and receives the kneading block in controller, with screw extruder
The partial temperature sensor is connected, and can receive the signal issued by the temperature sensor, to judge whether temperature goes out
Existing unusual fluctuations, and then to the Miniature power mechanism and the corresponding life of fixed pin controller sending on the hollow shaft
It enables, is changed the kneading block stagger arrangement angle.After wherein the fixed pin controller receives order, pass through the control-rod pine
The fixed pin in the fixed cotter way is moved, then drives the planetary gear to promote described pinch by the Miniature power mechanism
It closes block to rotate, after going to suitable position, then the control-rod is controlled by the fixed pin controller makes the fixed pin again
It is secondary to be fixed in the fixed cotter way, to complete the variation of the kneading block thickness and stagger arrangement angle of demand.
4. what the present invention was arranged is embedded in the temperature sensor inside the kneading block, shearing can be accurately measured
It is kneaded the temperature change of kneading block described in area, and timely feeds back to the sensing and receives controller；It is embedded in the kneading block
The angular transducer of side can be after receiving the sensing controler order, with 5 degree of gears to the kneading block
Accurately angle is carried out to control.
Detailed description of the invention
The total figure of Fig. 1: two engagement screws
Fig. 2: shearing of the invention is kneaded the overall pattern of part
Fig. 3: single kneading block interior view
Fig. 4: hollow assembled shaft of the invention is kneaded area's kneading block in shearing with inner hollow axis and pinches with non-shear mixing area
Close the top view that block connects
Fig. 5: fixed cotter way figure
Fig. 6: the fixed pin figure under stationary state
Fig. 7: the fixed pin figure under moving condition
Fig. 8: temperature sensor installation site enlarged drawing
In figure: 1, kneading block, 2, hollow assembled shaft, 3, hollow shaft, 4, Miniature power mechanism, 5, planetary gear, 6, fixation
Pin, 7, fixed pin controller, 8, control-rod, 9, conducting wire, 10, sensing reception controller, 11, fixed cotter way, 12, temperature control
Device, 13, semi-circular projection, 14, angular transducer, 15, sensor contact, 16, heat-barrier material
Specific embodiment
Such as Fig. 1 and 2, a kind of shear is kneaded the double screw extruder that area's kneading block can change automatically, two in machine barrel
Screw rod is fabricated, including solid conveying section, melt zone, shearing mixing section, every screw rod outer surface be equipped with screw element,
Be characterized in that, assemble the screw element assembled shaft 2 be it is hollow, in hollow shaft 3 built in the hollow space, except first piece and
Miniature power mechanism 4 is respectively arranged on the hollow shaft of each 1 part of kneading block of the external correspondence of last block kneading block 1
With fixed pin controller 7, the kneading block 1 is provided with fixed cotter way 11, fixed pin 6, temperature sensor 12 and angular transducer
14；Such as Fig. 4, hollow 2 diameter of assembled shaft of 1 part of kneading block is less than non-1 part of kneading block and is hollow out,
Can not play the role of kneading block 1 described in carrying belt, nor affects on the Miniature power mechanism 4 and drive planetary gear 7 and mediate
The engagement of block 1, this diameter is different and the hollow assembled shaft 2 of the built-in hollow shaft 3, that is, realizes the non-kneading
The carrying of 1 original part of block acts on, and it is relatively independent that 1 original part of kneading block can be made to have the characteristics that；Such as Fig. 2, the first piece of kneading
Block 1 is secured on the screw element in front, and the kneading block 1 of back is successively fixed forward with the fixed pin 6, most
The latter piece of kneading block 1 is also to be directly secured together with the part block of back, total hair with the double screw extruder
Motivation is connected；Thickness of the thickness range of the single kneading block 1 in 6-10mm, after being changed in this way for the kneading block 1
Compare it is diversified, in addition to the kneading block 1 described in first piece and last block, each piece of kneading block 1 all with the institute of hollow space
The planetary gear 7 for stating the Miniature power mechanism 4 on hollow shaft 3 matches, and provides the power that the kneading block 1 changes, so as to
The thickness and stagger arrangement angle size for being kneaded kneading block 1 described in area are sheared with automatic change, it is this to realize that each piece of kneading block 1 is thick
The independent control of degree and stagger arrangement angle so that real-time control shearing is kneaded the temperature of kneading block 1 described in area, and then realizes extruder
Processing materials temperature is precisely controlled；Such as Fig. 5, equipped with the fixed cotter way with 5-8 semicircle groove on the kneading block 1
11, the fixed cotter way 11 cooperates with the fixed pin 6 with semi-circular projection 13, such as Fig. 6, the fixed kneading block 1
The fixed pin 6 be to be controlled by the fixed pin controller 7, its position can be changed according to demand；It is described hollow
The fixed Miniature power mechanism 4, the fixed pin controller 7, the temperature sensor 12, the angle sensor on axis 3
Device 14 all receives controller 10 with the sensing outside machine barrel and connect, this that sensing reception controller is provided with outside machine barrel
10, it is connected with the temperature sensor 12 of 1 part of kneading block described in screw extruder, can receive and passed by the temperature
The signal that sensor 12 issues, to judge whether temperature unusual fluctuations occurs, and then to the minitype motivation on the hollow shaft 3
Mechanism 4 and the fixed pin controller 7 issue corresponding order, carry out the change of the kneading block stagger arrangement angle, wherein described
After fixed pin controller 7 receives order, the fixed pin 6 in fixed cotter way 11 is loosened by the control-rod 8, then by described small
Type power mechanism 4 drives planetary gear 7 that kneading block 1 is promoted to rotate, and after going to suitable position, then is controlled by the fixed pin
Device 7, which controls control-rod 8, is fixed on fixed pin 6 again in fixed cotter way 11, thus complete 1 thickness of the kneading block of demand with
The variation of stagger arrangement angle；Such as Fig. 8, the temperature sensor 12 is embedded in one piece of intermediate kneading block 1, and the temperature passes
Sensor 12 separates three contacts 15 in one end of the kneading block 1 and two sides and slightly below described 1 edge of kneading block, the contact
15 except the one end tested, remaining is all wrapped up with thermal insulation material, the temperature sensor being embedded in inside kneading block 1 of this set,
The temperature change that shearing is kneaded kneading block 1 described in area can be accurately measured, and timely feeds back to the sensing and receives control
Device 10；Such as Fig. 3, the angular transducer 14 is embedded in below the fixed cotter way 11 of each piece of kneading block 1 and respective
Independent, every 5 degree one grade of the angular transducer can be rotated in 0 to 90 degree ranges, this to be embedded in the kneading block 1
The angular transducer 14 of side can be pinched with 5 degree of gears to described after receiving the sensing controler 10 and ordering
It closes block 1 and carries out accurately angle control；The conducting wire of all devices all passes through the export of the hollow space in the hollow shaft 3 and outside
The sensing receive controller 10 be connected.
The realization process of 1 thickness of kneading block and stagger arrangement angle: the first piece of kneading block 1 is secured to part in front
It is driven on block, the kneading block 1 of back is successively fixed forward with the fixed pin 6, kneading block 1 described in last block
It is to be directly secured together with the part block of back, by the total driven by engine of the double screw extruder, is normally cut
Immixture is cut, when the temperature sensor 12 being embedded on the kneading block 1 feels that temperature anomaly variation is (higher or inclined
It is low) when, signal is passed to the sensing and receives controller 10.Then the sensing controler 10 is made a response to the kneading
The fixed pin controller 7 on the hollow shaft 3 among block 1 sends order, and the fixed pin controller 7 controls control-rod
The loosening of fixed pin 6 is issued order driving kneading block 1 to the Miniature power mechanism 4 on hollow shaft 3 again by 8 to be rotated, when described
After angular transducer 14 perceives the stagger arrangement angle for reaching requirement, then control-rod 8 are controlled by the fixed pin controller 7 and is fixed
Pin 6 is again fixed to the change that kneading block 1 thickness and stagger arrangement angle is completed in fixed cotter way 11.By taking temperature is relatively low as an example,
When temperature is relatively low, the temperature sensor 12 on the kneading block 1 can deliver the signal to the sensing outside machine barrel
Controller 10 is received, signal is received by it and makes a response, and issues the corresponding command to the fixed pin controller 7, the fixation
Pin controller 7 controls control-rod 8 and withdraws the semi-circular projection 13 on fixed pin 6, loosens it in the fixed cotter way 11, so
The sensing receives controller 10 and issues order to each Miniature power mechanism 4 on hollow shaft 3 again afterwards, makes two neighboring small-sized
Power mechanism 4 reversely rotates, and expands stagger arrangement angle, and after the angular transducer 14 perception angle reaches requirement, signal is passed
It returns the sensing and receives controller 10, then be controlled by it the Miniature power mechanism 4 and stop, to reach stagger arrangement angle change
Purpose.
Claims (8)
1. a kind of shearing is kneaded the double screw extruder that area's kneading block can change automatically, two screw rods are assembleds in machine barrel
, including solid conveying section, melt zone, shearing mixing section, every screw rod outer surface is equipped with screw element, it is characterised in that: dress
Assembled shaft with the screw element be it is hollow, in hollow shaft built in the hollow space, except first piece and last block are mediated
It is respectively arranged with Miniature power mechanism and fixed pin controller on the hollow shaft of each kneading block part of the external correspondence of block,
The kneading block is provided with fixed cotter way, fixed pin, temperature sensor and angular transducer, and the first piece of kneading block is secured to
On the screw element in front, the kneading block of back is successively fixed forward with fixed pin, described in last described block
Kneading block is also to be directly secured together with the part block of back, is connected with total engine of the double screw extruder.
2. a kind of shearing according to claim 1 is kneaded the double screw extruder that area's kneading block can change automatically, special
Sign is: the belly shirt of the kneading block part is less than non-kneading block part with shaft diameter and is hollow out.
3. a kind of shearing according to claim 1 is kneaded the double screw extruder that area's kneading block can change automatically, special
Sign is: the thickness range of the single kneading block is in 6-10mm, in addition to first piece with kneading block described in last block, each piece
The kneading block is all matched with the planetary gear of the Miniature power mechanism on the hollow shaft of the hollow space.
4. a kind of shearing according to claim 1 is kneaded the double screw extruder that area's kneading block can change automatically, special
Sign is: equipped with the fixed cotter way with 5-8 semicircle groove, the fixed cotter way and with semicircle on the kneading block
The fixed pin of protrusion cooperates, and the fixed pin of the fixed kneading block is connected with the fixed pin controller.
5. a kind of shearing according to claim 1 is kneaded the double screw extruder that area's kneading block can change automatically, special
Sign is: the fixed Miniature power mechanism, the fixed pin controller, the temperature sensor, institute on the hollow shaft
Angular transducer is stated all to connect with the sensing reception controller outside machine barrel.
6. a kind of shearing according to claim 1 is kneaded the double screw extruder that area's kneading block can change automatically, special
Sign is: the temperature sensor is embedded in one piece of intermediate kneading block, and the sensor separates three contacts in institute
One end and two sides and the slightly below described kneading block edge of kneading block are stated, the contact is except one end of test, remaining is all with heat preservation
Material package.
7. a kind of shearing according to claim 1 is kneaded the double screw extruder that area's kneading block can change automatically, special
Sign is: the angular transducer be embedded in each piece described in kneading block the described fixation cotter way below and it is respectively independent,
It every 5 degree one grade of the angular transducer, can be rotated in 0 to 90 degree ranges.
8. a kind of shearing according to claim 1 is kneaded the double screw extruder that area's kneading block can change automatically, special
Sign is: the conducting wire of all devices is all received with sensing described in outside by the hollow space export in the hollow shaft and is controlled
Device is connected.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611119149.7A CN106553325B (en) | 2016-12-08 | 2016-12-08 | A kind of double screw extruder that shearing mixing area's kneading block can change automatically |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611119149.7A CN106553325B (en) | 2016-12-08 | 2016-12-08 | A kind of double screw extruder that shearing mixing area's kneading block can change automatically |
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| CN106553325B true CN106553325B (en) | 2018-12-11 |
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| CN111804061B (en) * | 2020-07-02 | 2022-03-29 | 北京工商大学 | Solid-liquid separation and deposition device and method for high-viscosity fiber-free material |
| CN115262000B (en) * | 2022-06-30 | 2023-12-08 | 武汉纺织大学 | Device and method for efficiently breaking white cores of Lyocell fiber spinning solution |
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| JP3472391B2 (en) * | 1995-07-19 | 2003-12-02 | 東芝機械株式会社 | Twin screw extruder and extrusion method using the twin screw extruder |
| JP5017455B2 (en) * | 2007-10-19 | 2012-09-05 | 東レバッテリーセパレータフィルム合同会社 | Extruder, system, and method for preparing a polymer and diluent mixture |
| JP5137613B2 (en) * | 2008-02-25 | 2013-02-06 | 株式会社神戸製鋼所 | Kneading disc segment and twin screw extruder |
| CN102306425B (en) * | 2011-07-27 | 2015-12-23 | 上海阿法迪智能标签系统技术有限公司 | Self-help access equipment |
| CN102700109A (en) * | 2012-06-19 | 2012-10-03 | 苏州博云塑业有限公司 | Screw for engaging double-screw extruder in same direction |
| CN105128311B (en) * | 2015-09-10 | 2018-04-24 | 泉州市昶鸿化工贸易有限公司 | Double screw extruder for EVA/PE crosslinked foaming materiel machinings |
| CN206426435U (en) * | 2016-12-08 | 2017-08-22 | 北京工商大学 | A kind of shearing mixing area can be with the double screw extruder of real-time temperature control |
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