CN206426435U - A kind of shearing mixing area can be with the double screw extruder of real-time temperature control - Google Patents
A kind of shearing mixing area can be with the double screw extruder of real-time temperature control Download PDFInfo
- Publication number
- CN206426435U CN206426435U CN201621337973.5U CN201621337973U CN206426435U CN 206426435 U CN206426435 U CN 206426435U CN 201621337973 U CN201621337973 U CN 201621337973U CN 206426435 U CN206426435 U CN 206426435U
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- China
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- kneading block
- steady pin
- block
- screw extruder
- double screw
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
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- 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 shearing mixing area can be with the double screw extruder of real-time temperature control.Hollow assembled shaft 2 including assembling parts, kneading block 1 in hollow assembled shaft 2, angular transducer 13 on kneading block 1, a piece quill shaft 3 is set in hollow assembled shaft 2, Miniature power mechanism 4, steady pin controller 7 are housed on quill shaft 3, they all receive controller 10 by wire and external sense and are connected, shear and knead with kneading block 1 equipped with planetary gear 5 on Miniature power mechanism 4, it is connected on steady pin controller 7 equipped with control shaft 8 with steady pin 6, steady pin 6 is placed in fixed cotter way 11.Using the double screw extruder kneading portion of said structure, the thickness and stagger arrangement angle of kneading disc kneading block can be made independently to be changed as needed, so as to better control over the temperature of process, improve the quality of extruded product.
Description
Technical field
The utility model is related to a kind of double screw extruder, and more particularly to a kind of shearing mixing area's temperature can change automatically
The double screw extruder of change.
Background technology
It is well known that the species that modern processing industry is related to material is varied, and different materials needs different add
Work condition, and one of wherein topmost restrictive condition is exactly the control to temperature, such as, temperature-sensitive material need temperature can be with
Accurately a value is reached, and occur without larger fluctuation, so just can guarantee that rapidoprint is fully plastified and will not be excessive
Degraded；And thermoplastic generally requires higher temperature and promotes it fully to plastify, depending merely on outside heating may be not rapid enough.Though
So there is heating in whole screw rod region, but shearing mixing area's kneading block is that temperature is most difficult to control in double screw extruder
Region, be also that maximum region is influenceed on material reaction, so the shearing mixing area controlled in double screw extruder is pinched
The temperature for closing block plays the adjustment effect of key to whole extrusion.
Conventional double screw extruder is often made up of fixed mode kneading block, and often kneading block is thick for this kneading portion
It is all fixed to spend and mediate angle.So as to cause to use underaction, it is impossible to meet the use bar of multiple material processing
Part, and because the replacing that the change of rapidoprint mediate axle parts had both been wasted time and energy, resource is consumed and improves cost.
Therefore, the double screw extruder that a kind of kneading disc of design can change automatically is extremely important to plastic processing industry.
The content of the invention
The purpose of this utility model is the defect for overcoming above-mentioned double screw extruder in the prior art, and developing one kind can
It is automatic to change shearing mixing area's kneading block thickness, stagger arrangement angle, to carry out shearing mixing area's kneading block in real time temperature controlled double
Screw extruder.
In order to solve the above-mentioned technical problem, the utility model is realized by following technical solution：
A kind of shearing mixing area can with the double screw extruder of real-time temperature control, in its machine barrel two screw rods be it is fabricated,
Including solid conveying section, melt zone, shearing mixing section, every screw rod outer surface is provided with screw element, it is characterised in that assembling institute
The assembled shaft for stating screw element is hollow, in quill shaft built in the hollow space, except first piece and last block kneading block it
Miniature power mechanism and steady pin controller are respectively arranged with the quill shaft of each kneading block part of external correspondence, it is described
Kneading block is built with fixed cotter way, steady pin and angular transducer；The belly shirt of the kneading block part is small with shaft diameter
In the non-kneading block part and be that the carrying of not playing a part of of hollow out drives the kneading block, the small-sized moving is nor affected on
The force mechanisms drive planetary gear is engaged with kneading block；The first piece of kneading block is secured to the screw element in front
On, the kneading block of back is fixed forward with the steady pin successively, and kneading block described in last described block is also with after
What the part block on side was directly secured together, it is connected with total engine of the double screw extruder；The single kneading block
Thickness range in 6-10mm, in addition to first piece and kneading block described in last block, each piece of kneading block all with hollow bulb
The planetary gear of the Miniature power mechanism on the quill shaft divided is engaged；It is equipped with the kneading block and carries 5-
The fixed cotter way of 8 semicircle grooves, the fixed cotter way cooperates with the steady pin with semi-circular projection, fixed
The steady pin of the kneading block is connected with the steady pin controller；The fixed small power machine on the quill shaft
Structure, the steady pin controller, the angular transducer all receive controller with the sensing outside machine barrel and are connected；The angle
Sensor is embedded in below the described fixation cotter way of the kneading block described in each piece and each independent, described angular transducer
Every 5 degree one grade, it can be rotated in the range of 0 to 90 degree；The wire of all devices all passes through the hollow bulb in the quill shaft
Divide export to receive controller with the sensing described in outside to be connected.
The sensing receive temperature sensor in controller and screw extruder in the barrel wall of shearing mixing part and
The angular transducer is connected, and the signal that the temperature sensor in barrel wall is sent can be received, to judge whether temperature goes out
Existing unusual fluctuations, and then corresponding life is sent to the Miniature power mechanism on the quill shaft and the steady pin controller
Order, carries out the change of the kneading block stagger arrangement angle.Wherein described steady pin controller is received after order, passes through the control-rod
The steady pin in fixed cotter way is loosened, then drives the planetary gear to promote the kneading by the Miniature power mechanism
Block rotates, and goes to after correct position, then controls the control-rod to make the steady pin again by the steady pin controller
It is fixed in the fixed cotter way, so as to complete the kneading block thickness of demand and the change of stagger arrangement angle, realizes to temperature
Accurately controlled, reach and heterogeneity material is processed with same double screw extruder and machining accuracy all compares
Accurately.
The fixed cotter way is specially designed, and is had 5-8 corresponding semicircle grooves up and down inside it, can be made described solid
Rationed marketing is fixed by the groove, and the steady pin is also particular design, has half respectively up and down in the steady pin
Boss rises, and the semicircle groove with fixed cotter way is mutually corresponding, when the steady pin is in stationary state, the steady pin
The semi-circular projection keep projected state in the presence of the steady pin controller is by the control-rod, and then with it is described
The semicircle groove in fixed cotter way, which cooperates, makes the steady pin complete to fix；When the steady pin needs to loosen,
The steady pin controller is packed up the semi-circular projection above and below the steady pin by the control-rod, so that described solid
Rationed marketing loosens, and then realizes the rotation of the kneading block.
The locking ring device for being similar to and locking is housed, it can be with rotating shrinking, expansion of circling round inside the steady pin.Described
When steady pin needs to move, the snap ring that the steady pin controller is rotated by the control-rod in the steady pin is filled
Put, two semi-circular projections above and below it is contracted within the steady pin circumference, then the steady pin is moved again,
When the steady pin needs to fix, described in the steady pin controller is circled round in the steady pin by the control-rod again
Locking ring device, makes two semi-circular projections above and below it be returned to raised state within the steady pin circumference again, complete
Into fix command.
The angular transducer is using the long axis of kneading block as initial angle, and every 5 degree set a gear, then with brachymedial
Axis final position, can carry out altogether every 5 degree in the range of 90 degree of angle rotation.
By above-mentioned technical proposal of the present utility model, it can produce the advantage that：
1. the utility model is provided with, diameter is different and the hollow assembled shaft of the built-in quill shaft, that is, realizes
The carrying effect of the non-kneading block original paper, can make the characteristics of kneading block original paper has relatively independent again.
2. the utility model is provided with the Miniature power mechanism and institute on the quill shaft of the kneading block part
Steady pin controller is stated, the independent control of each piece of kneading block thickness and stagger arrangement angle is realized, so that control shearing in real time
The temperature of kneading block described in area is kneaded, and then realizes being precisely controlled for extruder processing materials temperature.
3. the utility model is provided with the sensing outside machine barrel and receives controller, it is pinched with described in screw extruder
The extruder of conjunction block portion point carries temperature sensor and is connected, and can receive and carry the signal that temperature sensor is sent by extruder,
To judge whether temperature unusual fluctuations occurs, and then to the Miniature power mechanism on the quill shaft and the steady pin control
Device processed sends corresponding order, carries out the change of the kneading block stagger arrangement angle.Wherein described steady pin controller receives order
Afterwards, the steady pin in the fixed cotter way is loosened by the control-rod, institute is then driven by the Miniature power mechanism
Stating planetary gear promotes the kneading block to rotate, and goes to after correct position, then described by steady pin controller control
Control-rod makes the steady pin be fixed on again in the fixed cotter way, so as to complete the kneading block thickness and the stagger arrangement of demand
The change of angle.
4. the angular transducer for being embedded in the kneading block side of the utility model setting can receive described
After sensing controler order, accurately angle is carried out to kneading block with 5 degree of gears and is controlled.
Brief description of the drawings
Fig. 1：The total figure of two engagement screws
Fig. 2：The overall pattern of shearing mixing part of the present utility model
Fig. 3：Single kneading block interior view
Fig. 4：Hollow assembled shaft of the present utility model is kneaded with inner hollow axle in shearing mixing area's kneading block and non-shear
The top view that area's kneading block connects
Fig. 5：Fixed cotter way figure
Fig. 6：Steady pin figure under stationary state
Fig. 7：Steady pin figure under mobile status
In figure：1st, kneading block, 2, hollow assembled shaft, 3, quill shaft, 4, Miniature power mechanism, 5, planetary gear, 6, fixed
Pin, 7, steady pin controller, 8, control-rod, 9, wire, 10, sensing receive controller, 11, fixed cotter way, 12, semi-circular projection,
13rd, angular transducer,
Embodiment
Such as Fig. 1 and 2, a kind of shearing mixing area can be with the double screw extruder of real-time temperature control, and two screw rods are in its machine barrel
It is fabricated, including solid conveying section, melt zone, shearing mixing section, every screw rod outer surface exists provided with screw element, its feature
In the assembled shaft 2 for assembling the screw element is hollow, in quill shaft 3 built in the hollow space, except first piece and last
Miniature power mechanism 4 is respectively arranged with the quill shaft of each part of kneading block 1 of the external correspondence of block kneading block 1 and fixed
Controller 7 is sold, the kneading block 1 is built with fixed cotter way 11, steady pin 6 and angular transducer 14；Such as Fig. 4, the kneading block 1
The partial hollow diameter of assembled shaft 2 is less than the non-part of kneading block 1 and is hollow out, does not play and is pinched described in carrying drive
The effect of block 1 is closed, the Miniature power mechanism 4 is nor affected on and drives engaging for the planetary gear 7 and the kneading block 1, this
Kind of diameter is different and the hollow assembled shaft 2 of the built-in quill shaft 3, that is, realizes holding for the original paper of non-kneading block 1
Load is acted on, and the characteristics of original paper of kneading block 1 has relatively independent can be made again；Such as Fig. 2, the first piece of kneading block 1 is secured to
On the screw element in front, the kneading block 1 of back is fixed forward with the steady pin 6 successively, described last
Kneading block 1 described in block is also to be directly secured together with the part block of back, total engine with the double screw extruder
It is connected；The thickness range of the single kneading block 1 in 6-10mm, thickness ratio after so being changed for the kneading block 1 compared with
Variation, in addition to first piece and kneading block 1 described in last block, institute of each piece of kneading block 1 all with the hollow space
The planetary gear 7 for stating the Miniature power mechanism 4 on quill shaft 3 is engaged moving there is provided the kneading block 1 change
Power, it is this to realize described in each piece so as to the automatic thickness and stagger arrangement angle size for changing kneading block 1 described in shearing mixing area
The independent control of the thickness of kneading block 1 and stagger arrangement angle, so that the temperature of kneading block 1 described in the mixing of control shearing in real time area, and then
Realize being precisely controlled for extruder processing materials temperature；The institute with 5-8 semicircle groove is housed on such as Fig. 5, the kneading block 1
Fixed cotter way 11 is stated, the fixed cotter way 11 cooperates with the steady pin 6 with semi-circular projection 12, and such as Fig. 6 fixes me
Play kneading block 1 I play steady pin 6 and be controlled by the steady pin controller 7, its position can be changed according to demand；
On the quill shaft 3 the fixed Miniature power mechanism 4, the steady pin controller 7, the angular transducer 13 all with machine
Sensing outside cylinder receives controller 10 and connected, this sensing is provided with outside machine barrel to receive controller 10, itself and screw rod
Temperature sensor in extruder in shearing mixing area's barrel wall is connected, and can receive the signal sent by temperature sensor, come
Judge whether temperature unusual fluctuations occurs, and then the Miniature power mechanism 4 and steady pin controller 7 on the quill shaft 3 are sent out
Go out corresponding order, carry out the change of the kneading block stagger arrangement angle, wherein the steady pin controller 7 is received after order, lead to
Cross the control-rod and loosen the steady pin 6 fixed in cotter way 11, then drive planetary gear 7 to promote by the Miniature power mechanism 4
Kneading block 1 is rotated, go to after correct position, then control control-rod 8 to make steady pin 6 again by the steady pin controller 7
It is secondary to be fixed in fixed cotter way 11, so as to complete the thickness of the kneading block 1 of demand and the change of stagger arrangement angle；Such as Fig. 3, described
Angular transducer 13 is embedded in the fixed lower section of cotter way 11 of each piece of kneading block 1 and each independent, and the angle is passed
Every 5 degree one grade of sensor, can be rotated in the range of 0 to 90 degree, and this angle for being embedded in the side of kneading block 1 is passed
After sensor 13 can be ordered receiving the sensing controler 10, accurately angle is carried out to the kneading block 1 with 5 degree of gears
Degree control；The wire of all devices is all received with the outside sensing by the hollow space export in the quill shaft 3 and controlled
Device 10 processed is connected.
The thickness of kneading block 1 and the implementation process of stagger arrangement angle：The first piece of kneading block 1 is secured to part in front
Driven on block, the kneading block 1 of back is fixed forward with the steady pin 6 successively, 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 in the screw extruder in shearing mixing area's barrel wall feels that temperature anomaly changes
When (higher or relatively low), signal is passed to the sensing control and receives controller 10.Then the sensing controler 10 is made instead
Tackle the steady pin controller 7 on the quill shaft 3 in the middle of the kneading block 1 and send order, the control of steady pin controller 7 control
Bar 8 processed steady pin 6 is loosened the Miniature power mechanism 4 on quill shaft 3 is sent again order driving kneading block 1 rotate, when
The angular transducer 13 perceives after the stagger arrangement angle for reaching requirement, then controls control-rod 8 by the steady pin controller 7
Steady pin 6 is again fixed in fixed cotter way 11 to complete the change of the thickness of kneading block 1 and stagger arrangement angle.It is so that temperature is relatively low
Example, when temperature is relatively low, the temperature sensor in the screw extruder in shearing mixing area's barrel wall can transmit the signal
The sensing outside to machine barrel receives controller 10, is received by it signal and makes a response, and sends the corresponding command to the fixation
Controller 7 is sold, the control of steady pin controller 7 control-rod 8 withdraws the semi-circular projection 12 on steady pin 6, makes it described
Loosened in fixed cotter way 11, then the sensing receives controller 10 and sent again to each Miniature power mechanism 4 on quill shaft 3
Order, reversely rotates the two neighboring Miniature power mechanism 4, expands stagger arrangement angle, when the angular transducer 14 is perceived
Angle is reached after requirement, and signal is passed back the sensing reception controller 10, then is controlled by it the Miniature power mechanism 4 and is stopped
Only, so as to reach the purpose of stagger arrangement angle change.
Claims (8)
1. a kind of shearing mixing area can be with the double screw extruder of real-time temperature control, two screw rods are fabricated, bags in its machine barrel
Solid conveying section, melt zone, shearing mixing section are included, every screw rod outer surface is provided with screw element, it is characterised in that：Assembling is described
The assembled shaft of screw element is hollow, in quill shaft built in the hollow space, in addition to first piece and last block kneading block
Miniature power mechanism and steady pin controller are respectively arranged with the quill shaft of each kneading block part of correspondence, it is described to pinch
Block is closed built with fixed cotter way, steady pin and angular transducer.
2. a kind of shearing mixing area according to claim 1 can be with the double screw extruder of real-time temperature control, it is characterised in that：
The belly shirt of the kneading block part is with shaft diameter less than the kneading block is with outer portion and is hollow out.
3. a kind of shearing mixing area according to claim 1 can be with the double screw extruder of real-time temperature control, it is characterised in that：
The first piece of kneading block is secured on the screw element in front, and the kneading block of back is solid forward with steady pin successively
Fixed, kneading block described in last described block is also to be directly secured together with the part block of back, is squeezed with the twin-screw
The total engine for going out machine is connected.
4. a kind of shearing mixing area according to claim 3 can be with the double screw extruder of real-time temperature control, it is characterised in that：
The thickness range of the single kneading block in addition to first piece and kneading block described in last block, is pinched in 6-10mm described in each piece
Planetary gear of the block all with the Miniature power mechanism on the quill shaft of the hollow space is closed to be engaged.
5. a kind of shearing mixing area according to claim 3 can be with the double screw extruder of real-time temperature control, it is characterised in that：
The fixed cotter way with 5-8 semicircle groove is housed, the fixed cotter way is with carrying semi-circular projection on the kneading block
The steady pin is cooperated, and the steady pin of the fixed kneading block is connected with the steady pin controller.
6. a kind of shearing mixing area according to claim 1 can be with the double screw extruder of real-time temperature control, it is characterised in that：
On the quill shaft the fixed Miniature power mechanism, the steady pin controller, the angular transducer all with outside machine barrel
Sensing receive controller connection.
7. a kind of shearing mixing area according to claim 1 can be with the double screw extruder of real-time temperature control, it is characterised in that：
The angular transducer is embedded in below the described fixation cotter way of the kneading block described in each piece and each independent, described angle
Every 5 degree one grade of sensor is spent, can be rotated in the range of 0 to 90 degree.
8. a kind of shearing mixing area according to claim 1 can be with the double screw extruder of real-time temperature control, it is characterised in that：
The wire of all devices all receives controller with the outside sensing by the hollow space export in the quill shaft and is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621337973.5U CN206426435U (en) | 2016-12-08 | 2016-12-08 | A kind of shearing mixing area can be with the double screw extruder of real-time temperature control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621337973.5U CN206426435U (en) | 2016-12-08 | 2016-12-08 | A kind of shearing mixing area can be with the double screw extruder of real-time temperature control |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206426435U true CN206426435U (en) | 2017-08-22 |
Family
ID=59586162
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621337973.5U Withdrawn - After Issue CN206426435U (en) | 2016-12-08 | 2016-12-08 | A kind of shearing mixing area can be with the double screw extruder of real-time temperature control |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206426435U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106553325A (en) * | 2016-12-08 | 2017-04-05 | 北京工商大学 | The double screw extruder that a kind of shearing mixing area's kneading block can change automatically |
| CN111629873A (en) * | 2017-10-17 | 2020-09-04 | 巴斯股份公司 | Mixing kneader having kneading element receiving regions distributed in an uneven manner on the inner circumferential surface of the housing |
-
2016
- 2016-12-08 CN CN201621337973.5U patent/CN206426435U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106553325A (en) * | 2016-12-08 | 2017-04-05 | 北京工商大学 | The double screw extruder that a kind of shearing mixing area's kneading block can change automatically |
| CN111629873A (en) * | 2017-10-17 | 2020-09-04 | 巴斯股份公司 | Mixing kneader having kneading element receiving regions distributed in an uneven manner on the inner circumferential surface of the housing |
| US11331634B2 (en) | 2017-10-17 | 2022-05-17 | Buss Ag | Mixing and kneading machine with receiving areas for kneading elements, said receiving areas being distributed over the inner circumferential surface of the housing in a non-uniform manner |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170822 Effective date of abandoning: 20181211 |
|
| AV01 | Patent right actively abandoned |