CN214136798U

CN214136798U - Mixing device

Info

Publication number: CN214136798U
Application number: CN202021423082.8U
Authority: CN
Inventors: 吴兆辉; 江强; 汤仪标; 郭亦彬
Original assignee: Guangdong Nenghui New Material Technology Co ltd
Current assignee: Guangdong Nenghui New Material Technology Co ltd
Priority date: 2020-07-17
Filing date: 2020-07-17
Publication date: 2021-09-07
Anticipated expiration: 2030-07-17

Abstract

The present application provides a mixing device. The above-mentioned mixing device comprises a stator and a rotor. The stator includes feed end, discharge end and feed cylinder, and feed end and discharge end set up respectively at the both ends of feed cylinder, and the feed inlet has been seted up to the feed end, and the discharge gate has been seted up to the discharge end, and the through-hole has been seted up to the feed cylinder, and the through-hole communicates with feed inlet and discharge gate respectively. The rotor includes fixed part and rotor body, and the fixed part is located the through-hole and rotates with the feed cylinder to be connected, and the skew rotor body's of axis of fixed part axis setting is provided with feeding portion, mixing portion and the ejection of compact portion that connects gradually in the rotor body, and feeding portion corresponds the setting with the feed inlet, and ejection of compact portion corresponds the setting with the discharge gate. The mixing device has the advantages of short material mixing mileage, good stability, high efficiency and low energy consumption, and the transportation process is not influenced by the characteristics of the materials and the pressure of the die head.

Description

Mixing device

Technical Field

The utility model relates to a macromolecular material processing technology field especially relates to a mixing arrangement.

Background

In order to avoid the limitation of single material performance in the process of forming and processing the polymer material, the performance of the material is usually improved by a blending modification method, and a mixing device is necessary in the process. The types of mixing devices are various, and screw extrusion type mixing devices have many structural forms of screws and barrels, including single screws, twin screws and multiple screws, and the single screw mixing device has a large specific gravity in the market.

The single-screw mixing device has a plurality of problems, such as: 1. the mixing process is long, the efficiency is low and the energy consumption is high; 2. the yield is greatly influenced by the pressure of the die head, and the mixing stability is poor; 3. the method seriously depends on the characteristics of the materials, and has the problems of narrow material adaptability and the like. Therefore, it is very urgent to improve the mixing efficiency and mixing effect of the mixing device, adapt to the characteristics of the material at each extrusion part, and further improve the product quality and production efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the weak point among the prior art, providing a transportation process does not receive material self characteristic and die head pressure to influence, and the mixing mileage of material is short, and stability is good, efficient and the mixing arrangement that the energy consumption is low.

The purpose of the utility model is realized through the following technical scheme:

a mixing device, comprising:

the stator comprises a feeding end, a discharging end and a charging barrel, the feeding end and the discharging end are respectively arranged at two end parts of the charging barrel, the feeding end is provided with a feeding hole, the discharging end is provided with a discharging hole, the charging barrel is provided with a through hole, and the through hole is respectively communicated with the feeding hole and the discharging hole; and

the rotor, the rotor includes fixed part and rotor body, the fixed part be located in the through-hole and with the feed cylinder rotates to be connected, the axis of fixed part is skew the axis setting of rotor body, last feeding portion, mixing portion and the ejection of compact portion that connects gradually of being provided with of rotor body, feeding portion with the feed inlet corresponds the setting, ejection of compact portion with the discharge gate corresponds the setting.

In one embodiment, the cartridge comprises a hopper, the hopper is disposed at the feed opening, and the hopper is in communication with the feed opening.

In one embodiment, a first groove is formed in the charging barrel and is communicated with the through hole, and the first groove is arranged corresponding to the feeding part; the peripheral wall of the feeding part is convexly provided with a first thread bulge, the first thread bulge corresponds to the first groove, and the first thread bulge surrounds the axis of the rotor main body.

In one embodiment, the feeding section, the mixing section and the discharging section are coaxially arranged.

In one embodiment, the barrel is further provided with a second groove, a third groove and a fourth groove which are sequentially communicated, the second groove, the third groove and the fourth groove are all arranged in the barrel and are all communicated with the through hole, and the second groove, the third groove and the fourth groove are all arranged corresponding to the mixing part.

In one embodiment, the peripheral wall of the mixing part is further provided with a second thread protrusion and a third thread protrusion, the second thread protrusion is connected with the first thread protrusion and the third thread protrusion respectively, the second thread protrusion and the third thread protrusion extend spirally, the second thread protrusion and the third thread protrusion are arranged around the axis on the rotor body, the second thread protrusion is arranged corresponding to the second groove, and the third thread protrusion is arranged corresponding to the third groove.

In one embodiment, the mixing section further includes a fourth screw thread protrusion connected to the third screw thread protrusion, the fourth screw thread protrusion surrounds the axis of the rotor body and extends in a spiral shape, and the fourth screw thread protrusion is disposed corresponding to the fourth groove.

In one embodiment, the barrel is further provided with a fifth groove and a sixth groove, the fifth groove and the sixth groove are both arranged in the barrel and are both communicated with the through hole, and the fifth groove and the sixth groove are both arranged corresponding to the discharging part.

In one embodiment, the peripheral wall of the discharging part is convexly provided with a discharging threaded bulge and a material extruding bulge, the discharging threaded bulge is respectively connected with the material extruding bulge and the fourth threaded bulge, and the discharging threaded bulge surrounds the axis of the rotor main body and extends spirally; the discharging threaded bulge is arranged corresponding to the fifth groove;

the extruding protrusion is located at the end of the rotor body and corresponds to the sixth groove.

In one embodiment, the fixing portion, the feeding portion, the mixing portion and the discharging portion are of an integrally molded structure.

Compared with the prior art, the utility model discloses at least, following advantage has:

1. the utility model discloses the axis of the fixed part of mixing arrangement deviates the axis setting of rotor main part, makes the rotor main part deviate the axis rotation of fixed part, even rotor main part deviates the center of feed cylinder and rotates, impels the material to receive the extrusion of rotor, makes the time that the material dwells in the feed cylinder shorter, and the thermomechanical time shortens, avoids the material to receive excessive thermomechanical effect and degrades, and then makes the mixing arrangement have the characteristics that stability is good and efficiency is high;

2. the utility model discloses mixing arrangement's fixed part is located in the through-hole and with the feed cylinder rotates and is connected, the axis of fixed part deviates from the axis setting of rotor main part, makes rotor main part eccentric rotation in the feed cylinder, makes the material rely on the periodic flexibility and the distortion of the continuity of processing volume to warp, and then has realized not relying on the complete positive displacement volume of material self characteristic to transport, does not receive material self characteristic and die head pressure influence, and material adaptability is wide;

3. the axis of the fixed part of the mixing device deviates from the axis of the rotor main body, so that the rotor main body deviates from the axis of the fixed part and rotates, even if the rotor main body deviates from the center of the charging barrel and rotates, complete positive displacement volume transportation independent of the self characteristics of materials is realized, and the mixing device has less energy consumption than the traditional screw extrusion;

4. the utility model discloses the axis of mixing arrangement's fixed part is skew the axis setting of rotor main part makes the axis of the skew fixed part of rotor main part rotate, even the center of the skew feed cylinder of rotor main part rotates, and the material mainly receives the extrusion of rotor and mixes, realizes that the mixing of material plastify is subject to tensile deformation.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a cross-sectional view of a mixing device according to an embodiment of the present invention;

FIG. 2 is a schematic view of the structure of the rotor of the mixing device shown in FIG. 1;

FIG. 3 is a schematic view of the mixing device of FIG. 1 from another perspective;

fig. 4 is a cross-sectional view taken along line a-a of the mixing device shown in fig. 1.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

The present application provides a mixing device. The mixing device comprises a stator and a rotor. The stator includes feed end, discharge end and feed cylinder, and feed end and discharge end set up respectively at the both ends of feed cylinder, and the feed inlet has been seted up to the feed end, and the discharge gate has been seted up to the discharge end, and the through-hole has been seted up to the feed cylinder, and the through-hole communicates with feed inlet and discharge gate respectively. The rotor includes fixed part and rotor body, and the fixed part is located the through-hole and rotates with the feed cylinder to be connected, and the skew rotor body's of axis of fixed part axis setting is provided with feeding portion, mixing portion and the ejection of compact portion that connects gradually in the rotor body, and feeding portion corresponds the setting with the feed inlet, and ejection of compact portion corresponds the setting with the discharge gate.

The axis of the fixed portion of the mixing device is offset from the axis of the rotor body, so that the rotor body is rotated off the axis of the fixed portion, i.e., the rotor body is rotated off the center of the cartridge. The mixing device has the advantages that materials are extruded by the rotor, so that the retention time of the materials in the charging barrel is short, the thermomechanical time is shortened, the materials are prevented from being degraded under the action of excessive thermomechanics, and the mixing device has the characteristics of good stability and high efficiency. The material is subjected to continuous periodic stretching and distortion deformation by depending on the processing volume, so that complete positive displacement volume transportation independent of the material self characteristic is realized, the influence of the material self characteristic and die head pressure is avoided, and the material adaptability is wide. The material is extruded by the rotor, so that complete positive displacement volume transportation independent of the material characteristics is realized, and the energy consumption of the mixing device is less than that of the traditional screw extrusion. The materials are mainly extruded by the rotor to be mixed, so that the plasticizing and mixing of the materials are governed by the stretching deformation.

The fixed part, the feeding part, the kneading part, and the discharging part are not clearly defined. For the change of main effect or function between fixed part, feeding portion, mixing portion and the ejection of compact portion to fixed part, feeding portion, mixing portion and ejection of compact portion still have the same effect or function, all are used for making the material rely on the cyclic extension of continuity and the distortion of process volume, and then have realized not relying on the complete positive displacement volume of material self characteristic to transport.

Referring to fig. 1 to 4, a mixing device 10 of an embodiment includes a stator 100 and a rotor 200. The stator 100 includes a feed end, a discharge end, and a barrel 130, and the feed end and the discharge end are respectively disposed at both ends of the barrel 130. The feed end is provided with a feed inlet 110, the discharge end is provided with a discharge outlet 120, the charging barrel 130 is provided with a through hole 140, and the through hole 140 is respectively communicated with the feed inlet 110 and the discharge outlet 120. The rotor 200 includes a fixing portion 220 and a rotor body 210, and the fixing portion 220 is positioned in the through hole 140 and rotatably coupled to the cartridge 130. The axis of the fixing part 220 is deviated from the axis of the rotor body 210, the rotor body 210 is provided with a feeding part 230, a kneading part 240, and a discharging part 250 which are connected in sequence, the feeding part 230 is provided corresponding to the feed port 110, and the discharging part 250 is provided corresponding to the discharge port 120.

In the mixing device 10, the axis of the fixing portion 220 is deviated from the axis of the rotor body 210, so that the rotor body 210 rotates deviating from the axis of the fixing portion 220, even if the rotor body 210 rotates deviating from the center of the cylinder 130, the material is extruded by the rotor 200, the retention time of the material in the cylinder 130 is short, the thermomechanical time is shortened, the material is prevented from being degraded by excessive thermomechanical action, and the mixing device 10 has the characteristics of good stability and high efficiency. Because fixed part 220 is located through-hole 140 and rotates with feed cylinder 130 to be connected, the axis setting of the skew rotor subject 210 of axis of fixed part 220 makes rotor subject 210 rotate eccentrically in feed cylinder 130, makes the material rely on the cyclic flexibility and the distortion of the continuity of process volume, and then has realized not relying on the complete positive displacement volume of material self characteristic to transport, does not receive material self characteristic and die head pressure influence, and material adaptability is wide. The axis of its fixed part 220 deviates from the axis setting of rotor main body 210, makes the axis of rotor main body 210 deviation fixed part 220 rotate, even rotor main body 210 deviates from the center of feed cylinder and rotates, makes the material receive the extrusion of rotor 200, and then has realized not relying on the complete positive displacement volume of material self characteristic to transport, makes mixing arrangement 10 extrude the energy consumption less than traditional screw rod. Since the axis of the fixing portion 220 is offset from the axis of the rotor body 210, the rotor body 210 is rotated offset from the axis of the fixing portion 220, and even if the rotor body 210 is rotated offset from the center of the barrel 130, the materials are mainly extruded and mixed by the rotor 200, and the plasticizing and kneading of the materials are governed by the tensile deformation.

Referring to fig. 1 and 3, in one embodiment, the barrel 130 includes a hopper 150, the hopper 150 is disposed at the feed port 110, and the hopper 150 is in communication with the feed port 110. The feeding hopper 150 is connected with the feeding port 110 and communicated with the through hole 140, so that the materials can enter the mixing device 10 for mixing and mixing, the feeding hopper 150 is correspondingly arranged with the feeding part 230 of the rotor 200, and in the rotating process of the feeding part 230 of the rotor 200, the materials move forwards along with the rotation of the feeding part 230, and further positive volume displacement conveying of the materials is realized.

Referring to fig. 1 to 4, in one embodiment, a first groove 131 is formed in the barrel 130, the first groove 131 is communicated with the through hole 140, and the first groove 131 is disposed corresponding to the feeding portion 230. A first thread protrusion 231 is convexly arranged on the peripheral wall of the feeding portion 230, the first thread protrusion 231 is arranged corresponding to the first groove 131, and the first thread protrusion 231 is arranged around the axis of the rotor body 210. The first groove 131 formed in the charging barrel 130 is used for accommodating the first thread protrusion 231 and is matched with the eccentric rotation of the first thread protrusion 231, the first thread protrusion 231 extrudes materials in the first groove 131 along with the eccentric rotation of the rotor body, so that the materials are subjected to continuous periodic expansion and deformation and torsional deformation of the processing volume of the rotor body, complete positive displacement volume transportation independent of the characteristics of the materials is realized, and the material adaptability of the mixing device 10 is improved.

In one embodiment, the feeding section 230, the mixing section 240, and the discharging section 250 are coaxially disposed. The feeding part 230, the mixing part 240 and the discharging part 250 all extend spirally along the peripheral wall of the rotor body 210, so that the feeding part 230, the mixing part 240 and the discharging part 250 all rotate eccentrically along with the rotor body, and the feeding part 230, the mixing part 240 and the discharging part 250 are connected in sequence and matched with each other to realize mixing and extrusion of materials.

In one embodiment, the barrel 130 further defines a second groove 132, a third groove 133 and a fourth groove 134 which are sequentially communicated with each other, and the second groove 132, the third groove 133 and the fourth groove 134 are all disposed in the barrel 130 and are all communicated with the through hole 140. The second groove 132, the third groove 133 and the fourth groove 134 are arranged corresponding to the mixing part 240, the second groove 132, the third groove 133 and the fourth groove 134 are used for accommodating the mixing part 240, and the materials are extruded by matching with the eccentric rotation of the mixing part 230, so that the transportation volume of the materials is changed periodically and continuously along the axial direction and the radial direction of the rotor 200, the complete positive displacement volume transportation independent of the characteristics of the materials is realized, the transportation efficiency is high, the mileage is short, and the energy consumption is low.

In one embodiment, the peripheral wall of the kneading part 240 is further provided with a second screw boss 241 and a third screw boss 243, the second screw boss 241 is connected with the first screw boss 231 and the third screw boss 243, the second screw boss 241 and the third screw boss 243 extend spirally, and the second screw boss 241 and the third screw boss 243 are arranged around the axial center of the rotor body 210. The second screw boss 241 is disposed corresponding to the second groove 132, and the third screw boss 243 is disposed corresponding to the third groove 133. The mixing part 240 comprises two steps which are respectively assisted by the second thread bulge 241 and the third thread bulge 243, and the second thread bulge 241 and the third thread bulge 243 are sequentially connected, so that the material is dispersed in multiple layers to form a dispersed phase fibrous structure, and the plasticizing and mixing of the material are governed by tensile deformation.

Further, the kneading part 240 further includes a fourth screw boss 245, the fourth screw boss 245 is connected to the third screw boss 243, and the fourth screw boss 245 surrounds the axial center of the rotor body 210 and extends spirally. The fourth screw boss 245 is disposed corresponding to the fourth groove 134. The mixing part 240 comprises three steps which are completed by the assistance of the second thread protrusion 241, the third thread protrusion 243 and the fourth thread protrusion 245 respectively, and the second thread protrusion 241, the third thread protrusion 243 and the fourth thread protrusion 245 are connected in sequence, so that three stages of the mixing part 240 are matched, further the material is dispersed in multiple layers to form a dispersed phase fibrous structure, and the material plasticizing and mixing are controlled by the stretching deformation.

In the present embodiment, the first, second, third and

fourth thread protrusions

231, 241, 243 and 245 are all a threaded helical structure.

In one embodiment, the number of the second and

fourth screw bosses

231 and 245 is two or more. Two or more second screw bosses 231 are integrally coupled. Two or more fourth screw bosses 231 are integrally coupled. One of the second threaded protrusions 231 is connected with one of the fourth threaded protrusions 245. The distance between two adjacent second thread protrusions 231 is a first distance, the distance between two adjacent fourth thread protrusions 245 is a second distance, and the first distance is smaller than the second distance. Because first distance and second distance are not the same, including second screw thread arch 231 and fourth screw thread arch 245 all connect in the fixed part through rotor subject off-centre, make rotor subject off-centre rotate in the through-hole, make the volume of transporting of material along rotor 200 axial and radial alternation periodic continuous variation range increase, be favorable to making the material overcome the pressure of die head, realize that the material does not rely on the complete positive displacement volume of material self characteristic to transport, the energy consumption is low, and be favorable to advancing of material, transport efficiency has been improved.

In one embodiment, the barrel 130 further defines a fifth groove 135 and a sixth groove 136, and the fifth groove 135 and the sixth groove 136 are both disposed in the barrel 130 and both communicate with the through hole 140. Fifth recess 135 and sixth recess 136 all correspond the setting with ejection of compact portion 250, make fifth recess 135 and sixth recess 136 be used for holding the ejection of compact portion to the eccentric rotation of cooperation ejection of compact portion makes the volume of transporting of material along rotor 200 axial and radial periodic continuous variation in turn, realizes not relying on the complete positive displacement volume of material self characteristic to transport, and it is short to transport the mileage, and is efficient, and the energy consumption is low.

In one embodiment, the discharge portion 250 has a discharge screw projection 251 and a material extruding projection 253 protruded from a peripheral wall thereof, and the discharge screw projection 251 is connected to the material extruding projection 253 and the fourth screw projection 245, respectively. The discharging screw thread projection 251 surrounds the axis of the rotor body 210 and extends spirally, and the discharging screw thread projection 251 and the fifth groove 135 are correspondingly arranged. The extruding protrusion 253 is located at an end of the rotor body 210, and the extruding protrusion 253 is disposed corresponding to the sixth groove 136. The discharging thread protrusions 251 and the discharging protrusions of the discharging part eccentrically rotate along with the rotor 200, so that materials are subjected to continuous periodic stretching and twisting deformation of a processing volume, complete positive displacement volume transportation independent of the characteristics of the materials is achieved, and the material adaptability of the mixing device 10 is improved.

In one embodiment, the material extruding protrusion 253 is a hemispherical protrusion structure, so that the resistance of the material extruding protrusion 253 to extrude the material can be reduced, and the material can be rapidly extruded out of the material outlet.

In one embodiment, the fixing portion 220, the feeding portion 230, the mixing portion 240 and the discharging portion 250 are integrally formed, which facilitates rapid machining and forming of the rotor 200, reduces machining processes of the rotor 200, increases structural stability of the rotor 200, and makes the structure of the rotor 200 more compact.

1. the utility model discloses an axis of the fixed part 220 of mixing arrangement 10 deviates from the axis setting of rotor main part 210, makes the axis of the skew fixed part 220 of rotor main part 210 rotate, even rotor main part 210 deviates from the center rotation of feed cylinder 130, impels the material to receive the extrusion of rotor 200, makes the time that the material stayed in feed cylinder 130 shorter, and the thermomechanical time shortens, avoids the material to receive excessive thermomechanical effect and degrades, and then makes mixing arrangement 10 have the characteristics that stability is good and efficiency is high;

2. the utility model discloses a mixing arrangement 10's fixed part 220 is located through-hole 140 and is connected with feed cylinder 130 rotation, and the axis setting of the skew rotor main part 210 of fixed part 220 makes rotor main part 210 rotate eccentrically in feed cylinder 130, makes the material rely on the periodic flexibility and the distortion of continuity of process volume to warp, and then has realized not relying on the complete positive displacement volume of material self characteristic to transport, does not receive material self characteristic and die head pressure to influence, and material adaptability is wide;

3. the utility model discloses an axis of the fixed part 220 of mixing arrangement 10 deviates from the axis setting of rotor main part 210, makes the rotor main part 210 deviate from the axis rotation of fixed part 220, even rotor main part 210 deviates from the center of feed cylinder and rotates, makes the material receive the extrusion of rotor 200, and then has realized not relying on the complete positive displacement volume of material self characteristic to transport, makes mixing arrangement 10 extrude the energy consumption less than traditional screw rod;

4. the utility model discloses a skew rotor main part 210's of fixed part 220's of mixing arrangement 10 axis setting makes the skew fixed part 220's of rotor main part 210 axis rotate, even the skew feed cylinder 130's of rotor main part 210 center rotates, the material mainly receives rotor 200's extrusion and mixes, realizes that the material plastify is mixed and is controlled by tensile deformation.

The above examples only represent some embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A mixing device, comprising:

2. The mixing device of claim 1, wherein the cartridge comprises a hopper, the hopper is disposed at the feed port, and the hopper is in communication with the feed port.

3. The mixing device according to claim 1, wherein a first groove is formed in the charging barrel and is communicated with the through hole, and the first groove is arranged corresponding to the feeding part; the peripheral wall of the feeding part is convexly provided with a first thread bulge, the first thread bulge corresponds to the first groove, and the first thread bulge surrounds the axis of the rotor main body.

4. A mixing apparatus according to claim 3, wherein the infeed section, the mixing section and the outfeed section are coaxially arranged.

5. The mixing device according to claim 3, wherein the barrel is further provided with a second groove, a third groove and a fourth groove which are sequentially communicated, the second groove, the third groove and the fourth groove are all communicated with the through hole, and the second groove, the third groove and the fourth groove are all arranged corresponding to the mixing part.

6. The mixing device according to claim 5, wherein the peripheral wall of the kneading part is further provided with a second screw projection and a third screw projection, the second screw projection is connected with the first screw projection and the third screw projection respectively, the second screw projection and the third screw projection both extend in a spiral shape, the second screw projection and the third screw projection are both arranged around the axial center of the rotor body, the second screw projection is arranged corresponding to the second groove, and the third screw projection is arranged corresponding to the third groove.

7. The mixing device according to claim 6, wherein the mixing section further comprises a fourth screw protrusion connected to the third screw protrusion, the fourth screw protrusion spirally extends around the axis of the rotor body, and the fourth screw protrusion is disposed corresponding to the fourth groove.

8. The mixing device of claim 7, wherein the barrel further defines a fifth groove and a sixth groove, the fifth groove and the sixth groove are both disposed in the barrel and are both communicated with the through hole, and the fifth groove and the sixth groove are both disposed corresponding to the discharging portion.

9. The mixing device according to claim 8, wherein the peripheral wall of the discharging part is convexly provided with a discharging threaded protrusion and a material extruding protrusion, the discharging threaded protrusion is respectively connected with the material extruding protrusion and the fourth threaded protrusion, and the discharging threaded protrusion surrounds the axis of the rotor body and extends spirally; the discharging threaded bulge is arranged corresponding to the fifth groove;

10. The mixing device according to any one of claims 1 to 9, wherein the fixed part, the feeding part, the mixing part and the discharge part are of an integrally molded structure.