CN219705729U - Banburying processing device based on multi-physical-field synergistic effect - Google Patents
Banburying processing device based on multi-physical-field synergistic effect Download PDFInfo
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- CN219705729U CN219705729U CN202320681993.8U CN202320681993U CN219705729U CN 219705729 U CN219705729 U CN 219705729U CN 202320681993 U CN202320681993 U CN 202320681993U CN 219705729 U CN219705729 U CN 219705729U
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- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
The utility model discloses a banburying processing device based on the synergistic effect of multiple physical fields, which comprises a banburying chamber, a rotor and a stator which are arranged in the banburying chamber, a first driving device for driving the rotor, double plungers symmetrically assembled at two ends in the banburying chamber and a second driving device for driving the double plungers, wherein the section structure of the rotor is a topological curved surface structure formed by connecting convex arcs and concave arc tangents, the surface of the rotor forms a pair of high and low convex edges, the high convex edges are tangent with the inner circle of the rotor, and the low convex edges have a certain gap with the inner circle of the stator; the rotor comprises a left rotor and a right rotor, the two rotors are meshed and rotated relatively to form a high-pressure cavity and a low-pressure cavity in the inner cavity of the stator, and the second driving device is used for driving the double plunger to do linear reciprocating motion in the internal of the banburying chamber. Based on the above, the banburying processing device can reduce the processing temperature, shorten the plasticizing time and improve the banburying quality and the product performance.
Description
Technical Field
The embodiment of the utility model relates to the technical field of polymer material processing, in particular to an banburying processing device based on multi-physical-field synergistic effect.
Background
At present, the polymer material plays an extremely important role in life, and the polymer material is modified by using different processing methods and equipment so as to meet the actual demands. The common processing methods mainly comprise extrusion, injection, calendaring, mixing and the like, but when the processing methods are used for processing the polymer material, the problems of low heat conduction efficiency, long time required by the melting plasticizing process and poor mixing and dispersing effects of the polymer material in the processing process can occur, and the mechanical properties of the polymer material product are greatly influenced.
Along with the increasing importance of degradable biomass materials such as starch, wood powder, straw, lignin and the like and the continuous appearance of high-performance functional materials, the actual requirements on environment-friendly, multifunctional, high-quality polymers and composite materials thereof are also higher and higher, and the technology in the field of processing of the polymer materials is put forward higher requirements. Therefore, the processing equipment must also meet the demands of new materials and new processing technologies that are continually emerging. The current common means for processing most polymer materials are based on heat conduction and shear drag rheology, and these processing methods can cause the phenomenon that the processed materials are locally sheared to cause degradation and scorching of the polymer materials, especially for bio-based polymer materials, the phenomenon is more easy to occur, because the inside of the bio-based polymer materials has more hydrogen bonds in the molecules and between the molecules, and the decomposition temperature is similar to the melting temperature, so that the materials are difficult to thermoplastic process.
Disclosure of Invention
The following is a summary of the subject matter described in detail herein. This summary is not intended to limit the scope of the claims.
The embodiment of the utility model provides a banburying processing device based on a multi-physical-field synergistic effect, which can reduce the processing temperature required by a high polymer material, strengthen the stretching effect of the material, accelerate the melting plasticizing process of the material, and improve the mixing and dispersing effects and banburying quality of the material.
The embodiment of the utility model provides a banburying processing device based on a multi-physical-field synergistic effect, which comprises a banburying chamber, a rotor and a stator arranged in the banburying chamber, a first driving device for driving the rotor, double plungers symmetrically assembled at two ends in the banburying chamber and a second driving device for driving the double plungers, wherein the cross section structure of the rotor is a topological curved surface structure formed by connecting convex arcs and concave arc tangs, the surface of the rotor forms a high convex rib and a low convex rib, the high convex rib is tangent with the inner circle of the rotor, a certain gap exists between the low convex rib and the inner circle of the stator, the rotor comprises a left rotor and a right rotor, the first driving device is used for driving the left rotor and the right rotor to do relative meshing rotation movement so as to form a high-pressure cavity and a low-pressure cavity in the inner cavity of the stator, and the second driving device is used for driving the double plungers to do linear reciprocating movement in the banburying chamber.
In some embodiments, the gap ranges from 5um to 50um.
In some embodiments, the first driving device comprises a driving motor, a speed reducer, a coupling, a transmission case and a double rotor which are sequentially connected.
In some embodiments, the second driving device is a linear motor, and the linear motor drives the double plungers symmetrically and concentrically assembled on two sides of the stator to do linear reciprocating motion in the internal part of the banburying chamber.
In some embodiments, the linear reciprocating motion includes linear co-directional reciprocating motion and linear counter-directional reciprocating motion.
In some embodiments, the internal mixing device further comprises a rotating hand wheel and a material pressing rod, wherein a charging hole is formed in the upper end of the internal mixing chamber, the material pressing rod penetrates through the charging hole, and the rotating hand wheel controls the material pressing rod to move up and down so as to realize charging and material pressing actions in the internal mixing chamber.
In some embodiments, the device further comprises a discharging device, wherein the discharging device comprises a lower top bolt and a discharging door, the lower top bolt is fixedly connected with the discharging door, and the discharging door is detachably connected to the bottom of the banburying chamber.
In some embodiments, the discharge door is screwed to the bottom of the banburying chamber by threads.
In some embodiments, the dual plunger has an adjustable vibration frequency and an adjustable amplitude, the adjustable vibration frequency ranging from 5Hz to 100Hz, and the adjustable amplitude ranging from 1mm to 10mm.
In some embodiments, the second drive device is a plunger pump or a vibration exciter.
The embodiment of the utility model comprises the following steps: the banburying processing device comprises a banburying chamber, a rotor and a stator which are arranged in the banburying chamber, a first driving device for driving the rotor, double plungers symmetrically assembled at two ends of the interior of the banburying chamber and a second driving device for driving the double plungers, wherein the cross section structure of the rotor is of a topological curved surface structure formed by connecting convex circular arcs and concave circular arc tangs, the surface of the rotor forms high convex edges and low convex edges, the high convex edges are tangent to the inner circle of the rotor, a certain gap is reserved between the low convex edges and the inner circle of the stator, the rotor comprises a left rotor and a right rotor, the first driving device is used for driving the left rotor and the right rotor to perform relative meshing rotation movement so as to form a high-pressure cavity and a low-pressure cavity in the inner cavity of the stator, the connected low-pressure cavity forms a negative pressure absorbing effect due to volume increase, and periodic compression-release flowing processing of the high-molecular materials is realized. The second driving device is used for driving the double plungers to do linear reciprocating motion in the internal of the banburying chamber, so that the periodic compression-release flow behavior of materials in the chamber is further enhanced, the high-molecular low-temperature forced banburying processing process which is cooperatively carried out by the double-rotor meshing motion and the double-plunger reciprocating motion is realized, the melting, mixing and dispersing processes of the materials are greatly accelerated, and the banburying quality and the product performance of the high-molecular materials are effectively improved. Based on this, this device can reduce the required processing temperature of polymer material, reinforces the material stretching effect, accelerates material melting plasticization process, promotes material mixing dispersion effect and banburying quality.
Additional features and advantages of the utility model will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model. The objectives and other advantages of the utility model will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate and do not limit the utility model.
Fig. 1 is a schematic structural diagram of an internal mixing processing device according to an embodiment of the present utility model;
FIG. 2 is a schematic view of the structure of each chamber area in the mixing chamber according to one embodiment of the present utility model;
FIG. 3 is a schematic view of a left rotor according to an embodiment of the present utility model;
FIG. 4 is a schematic view of a right rotor according to an embodiment of the present utility model;
fig. 5 is a schematic diagram of a processing procedure according to an embodiment of the present utility model.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
It should be understood that in the description of the embodiments of the present utility model, plural (or multiple) means two or more, and that greater than, less than, exceeding, etc. are understood to not include the present number, and that greater than, less than, within, etc. are understood to include the present number. If any, the terms "first," "second," etc. are used for distinguishing between technical features only, and should not be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In order to solve the technical problems that in the prior art, when a high polymer material is processed, the heat conduction efficiency is low, the time required by a melting plasticizing process is long, and the mixing dispersion effect is poor in the processing process of the high polymer material, the embodiment of the utility model provides a banburying processing device based on the synergistic effect of multiple physical fields, which comprises a banburying chamber, a rotor and a stator arranged in the banburying chamber, a first driving device for driving the rotor, double plungers symmetrically assembled at two ends in the banburying chamber and a second driving device for driving the double plungers, wherein the cross section structure of the rotor is of a topological curved surface structure formed by connecting convex arcs and concave arc tangents, the surface of the rotor forms high convex edges and low convex edges, the high convex edges are tangent with the inner circle of the rotor, a certain gap is reserved between the low convex edges and the inner circle of the stator, the rotor comprises a left rotor and a right rotor, the first driving device is used for driving the left rotor and the right rotor to perform relative meshing rotation so as to form a high-pressure cavity and a low-pressure cavity in the inner cavity of the stator, and the second driving device is used for driving the double plungers to perform linear reciprocating motion in the banburying chamber. Specifically, the convex arc is connected with the concave arc tangent to form a rotor with a special topological curved surface structure, a pair of high and low convex edges are formed on the surface of the rotor, wherein the high convex edges are tangent to the inner circle of the rotor, and a certain gap exists between the low convex edges and the inner circle of the stator; the two rotors are meshed and rotated relatively to form a high-pressure cavity and a low-pressure cavity in the inner cavity of the stator, so that a high-molecular material entering a meshing gap (high-pressure cavity) is strongly compressed, and the connected low-pressure cavity forms a negative pressure absorbing effect due to the increase of the volume, so that the periodical compression-release flow processing of the high-molecular material is realized; meanwhile, the symmetrically assembled double plungers do linear reciprocating motion, so that the periodic compression-release flow behavior of materials in the cavity is further enhanced, the macromolecule low-temperature forced banburying processing process by the cooperation of the double-rotor meshing motion and the double-plunger reciprocating motion is realized, the melting, mixing and dispersing processes of the materials are greatly accelerated, and the banburying quality and the product performance of the macromolecule materials are effectively improved; in addition, small molecules such as free water and the like can be introduced into the banburying chamber, and the permeation-expansion behavior of the small molecules is circularly initiated by utilizing the periodical strong compression-release action in the chamber, so that steam explosion can be generated, and the plasticizing and mixing effects of materials are further enhanced. Based on the method, the method has the advantages of reducing the required processing temperature of the high polymer material, strengthening the stretching effect of the material, accelerating the melting plasticizing process of the material, improving the mixing and dispersing effects of the material, improving the banburying quality and the like.
In some embodiments, the driving motor, the speed reducer, the coupler, the transmission case and the double rotors are connected in sequence, and the driving motor drives the double rotors to do relative meshing rotation; the double plungers are symmetrically and concentrically assembled on two sides of the stator, and are driven by a linear motor to do linear reciprocating motion, and driving units such as a plunger pump, a vibration exciter and the like can be selected to provide reciprocating motion.
In some embodiments, the rotating hand wheel, the pressing rod and the charging opening are connected in sequence, and the rotating hand wheel controls the pressing rod to move up and down so as to realize charging and pressing actions.
In some embodiments, the discharge device comprises a lower ram and a discharge gate, the lower ram is fixedly connected with the discharge gate, and the discharge gate is screwed on the bottom of the banburying chamber through threads.
In some embodiments, the rotor has a circular arc convex edge with a height and a height, and the cross section structure of the rotor is that the convex circular arc and the concave circular arc are connected with each other to form a special topological cross section structure.
In some embodiments, the low protruding edge of the rotor has a certain gap with the inner circle of the stator of the banburying processing device, and the gap is preferably 10um, and the design range of the gap can be 5-50 um.
In some embodiments, the plunger has an adjustable vibration frequency and amplitude, the adjustable vibration frequency is in the range of 5-100 Hz, and the adjustable amplitude is in the range of 1-10 mm; the motion mode of the double plungers is preferably the same-direction reciprocating motion and can be adjusted to the opposite-direction reciprocating motion.
In some embodiments, the cooperative regulation and control of the action intensity and mode of the high polymer materials can be realized by synchronously regulating the rotation speed of the rotor and the motion form of the double plungers.
The device is particularly suitable for processing bio-based polymer materials such as starch, wood powder, straw, lignin and the like, and can be also used for polymer general-purpose materials such as PE, PP and the like, but is not limited to the materials. Wherein, the added small molecular material is preferably small molecular substances such as water, ethanol, liquid nitrogen and the like. It should be noted that by introducing small molecular substances, steam explosion can be generated, so that the plasticizing and mixing effects of materials are further enhanced by the serial explosion effects caused by the periodical volume compression-release synergistic steam explosion.
Compared with the existing high polymer material processing equipment, the utility model has the following beneficial effects:
(1) The high-pressure cavity and the low-pressure cavity are formed in the banburying cavity by utilizing mutual coordination of relative meshing rotation of rotors with special topological curved structures and symmetrical double-plunger linear reciprocating motion, so that a compression and absorption effect is generated on high polymer materials entering a meshing gap, a periodic compression and release effect of the materials in the cavity is enhanced, a high polymer low-temperature forced banburying processing process by the coordination of the double-rotor meshing motion and the double-plunger reciprocating motion is realized, the melting, mixing and dispersing processes of the materials are greatly accelerated, and the banburying quality and the product performance of the high polymer materials are effectively improved.
(2) The special flow field is utilized to cyclically trigger the steam explosion of small molecular substances such as water, ethanol, liquid nitrogen and the like, and the plasticizing and mixing effects of materials are further enhanced by the serial explosion effects triggered by the periodical volume compression-release synergistic steam explosion.
(3) The method reduces the temperature required by processing, strengthens the stretching effect of the materials, accelerates the melting plasticizing process of the materials, improves the dispersion mixing effect of the materials and the banburying quality of the products, and is particularly suitable for plasticizing and mixing biological-based high polymer materials such as starch, PVA, lignin and the like.
The banburying processing device of the present utility model will be described with reference to the drawings and the specific examples.
As shown in fig. 1 to 4, the banburying processing device comprises a material pressing rod 1, a rotary hand wheel 2, a charging port 3, an upper machine body 4, a left rotor 5, a lower machine body 6, a right rotor 7, a double plunger 8, a banburying space 9, a lower top bolt 10, a discharging door 11 and a banburying chamber 12; the device comprises a pressing rod 1, a rotating hand wheel 2, a charging port 3, a banburying chamber 12 and a stator 17. Wherein, banburying cavity 12, last organism 4, lower organism 6, double plunger 8, left rotor 5 and right rotor 7 form banburying space 9, and banburying space 9 is divided into cavity A13, cavity B14, cavity C15, cavity D16 by two rotors, and banburying space 9 forms the ejection of compact breach with the one side towards discharge gate 11, and banburying space 9 forms charge door 3 with the one side that deviates from discharge gate 11. The material pressing rod 1 is fixedly connected with the rotating hand wheel 2, and the lower top bolt 10 is fixedly connected with the discharging door 11.
Example 1
In the first embodiment, the hand wheel 2 is rotated to control the pressing rod 1 to move up and down to realize feeding and pressing actions, the pressing rod 5 enters the feeding hole 3 to provide pressure for materials in the banburying space 9, the discharging device comprises a lower top bolt 10 and a discharging door 11, the discharging door 11 is opened by controlling the lower top bolt 10 to move downwards during discharging, and the discharging door 11 is closed by controlling the lower top bolt 10 to move upwards after discharging.
When the high polymer materials are required to be banburying, the hand wheel 2 is rotated to drive the material pressing rod 1 to press the high polymer materials from the charging hole 3; the driving motor drives the left rotor 5 and the right rotor 7 to relatively mesh and rotate, so that the high polymer material compressed from the charging hole 3 enters a cavity B14 formed by the two rotors, and along with the meshing and rotation of the two rotors driven by the driving motor, the high polymer material moves from the cavity B14 to a cavity A13, a cavity C15 and a cavity D16, the cavity B14 is a high-pressure cavity, and the cavity A13, the cavity C15 and the cavity D16 are low-pressure cavities, so that the high polymer material is subjected to compression-release effects. With the continuous rotation of the rotor, the pressure inside the chamber A13 and the chamber D16 gradually increases, and the polymer material is absorbed again into the chamber B14, and the cycle is performed. Meanwhile, the driving motor drives the symmetrically assembled double plungers 8 to do linear reciprocating motion, the chamber volume of the banburying space 9 is changed from large to small once after the double plungers 8 complete the reciprocating linear motion once, and then the periodic compression-release flow behavior of materials in the chamber is further enhanced after the change of one period from small to large, so that the high polymer low-temperature forced banburying processing process which is cooperatively carried out by the double-rotor meshing motion and the double-plunger reciprocating motion is realized, the melting, mixing and dispersing processes of the materials are greatly accelerated, and the banburying quality and the product performance of the high polymer materials are effectively improved; further improving the banburying capability of the banburying processing device on the high polymer material, thereby realizing the purpose of high-efficiency banburying of the high polymer material.
Example two
When the polymer material is banburying based on the banburying method and device, small molecules such as water, ethanol, liquid nitrogen and the like can be introduced, and the plasticizing capability of the polymer material is enhanced by utilizing the processes of volume periodical compression-release and explosion effect caused by steam explosion, so that the polymer material is more uniformly mixed and dispersed. The schematic diagram of the specific banburying process is shown in fig. 5, when the polymer materials and the small molecular substances such as water are mixed into the chamber B14 of the banburying chamber 12, which is meshed and rotated with the left rotor 5 and the right rotor 7, the pressure of the polymer materials and the small molecular substances such as water in the chamber B14 is gradually increased along with the mutual meshing of the two rotors, and the polymer materials and the small molecular substances such as water move into the low pressure chamber a13 and the chamber C15 to be compressed and released. Meanwhile, small molecular substances such as water are heated in the banburying process of the banburying processing device to generate steam explosion. The symmetrically assembled double plungers 8 driven by the driving motor do linear reciprocating motion, so that the pressure in the banburying space 9 is formed into a cycle from small to large and then from large to small, and the periodical compression-release flow behavior of the materials in the chamber is further enhanced. Through the synergistic effect of mutual rotary meshing of two rotors, steam explosion of small molecular substances such as water and the like and linear reciprocating motion of the symmetrically assembled double plungers 8, a mixture formed by a plurality of high molecular materials is subjected to a series of explosion effects caused by periodical volume compression-release synergistic steam explosion in the banburying chamber 12, and the high molecular low-temperature forced banburying processing process which is cooperatively carried out by the meshing motion of the double rotors and the reciprocating motion of the double plungers is realized under the synergistic effect of external force generated by the periodical volume compression-release effect and internal force generated by the steam explosion effect, so that the smelting, mixing and dispersing processes of the materials are greatly accelerated, and the banburying quality and the product performance of the high molecular materials are effectively improved, so that a polymer with high performance and uniform mixing is prepared.
While the preferred embodiment of the present utility model has been described in detail, the present utility model is not limited to the above embodiments, and those skilled in the art can make various equivalent modifications or substitutions without departing from the spirit and scope of the present utility model, and these equivalent modifications or substitutions are included in the scope of the present utility model as defined in the appended claims.
Claims (10)
1. The utility model provides a banburying processingequipment based on many physical fields synergism, its characterized in that includes banburying cavity, set up in rotor and stator in the banburying cavity is inside, be used for driving first drive arrangement of rotor, symmetry assembly are in the inside both ends of banburying cavity double plunger and be used for driving the second drive arrangement of double plunger, the cross-section structure of rotor is protruding circular arc and concave circular arc tangent line and meets and form topological curved surface structure, the surface of rotor forms high bead and low bead, high bead with the interior circle tangent line of rotor, low bead with the interior circle of stator has certain clearance, the rotor includes left rotor and right rotor, first drive arrangement is used for driving left rotor with right rotor is relative meshing rotary motion, in order to form high pressure chamber and low pressure chamber in the inner chamber of stator, second drive arrangement is used for driving double plunger is in the inside straight reciprocating motion of banburying cavity.
2. The banburying processing device according to claim 1, wherein said gap ranges from 5um to 50um.
3. The banburying processing device according to claim 1, wherein said first driving device comprises a driving motor, a speed reducer, a coupling, a transmission case and a double rotor which are sequentially connected.
4. The internal mixing processing device according to claim 1, wherein the second driving device is a linear motor, and the linear motor drives the double plungers symmetrically and concentrically assembled at both sides of the stator to perform linear reciprocating motion inside the internal mixing chamber.
5. The banburying processing device as claimed in claim 4, wherein said linear reciprocating motion includes linear co-reciprocal motion and linear counter-reciprocal motion.
6. The banburying processing device according to claim 1, further comprising a rotary hand wheel and a pressing rod, wherein a charging port is formed in the upper end of the banburying chamber, the pressing rod penetrates through the charging port, and the rotary hand wheel controls the pressing rod to move up and down so as to realize charging and pressing actions in the banburying chamber.
7. The banburying processing device as set forth in claim 1, further comprising a discharge device including a lower ram and a discharge door, the lower ram being fixedly connected to the discharge door, the discharge door being detachably connected to the bottom of the banburying chamber.
8. The banburying processing device as claimed in claim 7, wherein said discharge door is screwed to a bottom of said banburying chamber.
9. The banburying processing device according to claim 1, wherein the vibration frequency and the amplitude of the double plunger are adjustable, the adjustable range of the vibration frequency is 5Hz to 100Hz, and the adjustable range of the amplitude is 1mm to 10mm.
10. The banburying processing device according to claim 1, wherein said second driving device is a plunger pump or a vibration exciter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320681993.8U CN219705729U (en) | 2023-03-30 | 2023-03-30 | Banburying processing device based on multi-physical-field synergistic effect |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320681993.8U CN219705729U (en) | 2023-03-30 | 2023-03-30 | Banburying processing device based on multi-physical-field synergistic effect |
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| Publication Number | Publication Date |
|---|---|
| CN219705729U true CN219705729U (en) | 2023-09-19 |
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| CN202320681993.8U Active CN219705729U (en) | 2023-03-30 | 2023-03-30 | Banburying processing device based on multi-physical-field synergistic effect |
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| Country | Link |
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| CN (1) | CN219705729U (en) |
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