Screw extruder for dietary fiber processing
The screw extruder, designed with multi-stage mixing and conveying components, solves the problem of uneven material mixing in dietary fiber recombinant processing, achieving uniform mixing and consistent texture of materials, and improving production efficiency and process synergy.
Patent Information
- Application Number
- CN202511645493.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-11-11
- Publication Date
- 2026-01-02
AI Technical Summary
Existing screw extruders suffer from uneven material feeding and insufficient mixing in dietary fiber recombinant processing, resulting in uneven product texture and unstable functional properties.
It adopts a multi-stage mixing and conveying component design, including a first motor-driven conveying screw, a second motor-driven transmission component, and a third motor-driven mixing component. Through multi-stage mixing and staggered agitation, it achieves uniform mixing of materials. Combined with the conveying screw with differentiated pitch design and modular layout, it achieves efficient collaborative operation.
It achieves uniform mixing and consistent texture of materials, improves production efficiency, eliminates differences in internal material composition, ensures the overall performance consistency of products, and quickly identifies abnormal operating conditions through real-time monitoring.
Smart Images
Figure CN121244048A_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The application relates to the technical field of screw extruders, in particular to a screw extruder for processing dietary fibers. BACKGROUND
[0002] "Reorganization processing of dietary fibers" refers to the structural modification, functional optimization or morphological reconstruction of dietary fibers from natural sources through physical, chemical or biological means, so as to improve their physicochemical properties, physiological activity, processing adaptability or sensory characteristics, and thus better apply them to the fields of food, health products or medicine. The existing processing plant applies a reciprocating single-screw extruder to the reorganization processing of proteins and dietary fibers.
[0003] However, the existing screw extruder mostly uses gravity or screw thread to convey the material into the mixing bin during the reorganization processing of proteins and dietary fibers. In the single-screw extruder, the conveying capacity of the single screw is limited, especially for dietary fibers, which may form a stable "arch bridge" structure due to inter-particle adsorption, caking and other reasons in the feed inlet, hopper or feed channel, resulting in the material failing to fall smoothly into the extruder, and causing the phenomenon of interrupted or poor feeding, which leads to uneven feeding and affects the production continuity. Secondly, when the material is inside the extruder, due to the difference between the materials, the particles of the material are large or small, and the screw extruder is difficult to achieve sufficient mixing, which may cause uneven product texture and unstable functional properties. SUMMARY
[0004] The application provides a screw extruder for processing dietary fibers, which has the advantage of uniform mixing to solve the problem of uneven mixing in the prior art.
[0005] To achieve the above-mentioned purpose, the application adopts the following technical scheme: a screw extruder for processing dietary fibers, comprising a supporting base, a first connecting block is fixedly connected to one side of the top of the supporting base, a connecting plate is fixedly connected to one side of the first connecting block, a first mixing block is fixedly connected to the other side of the first connecting block, and an extrusion assembly is arranged in the first mixing block; A fixed block is fixedly connected to one side of the supporting base, and a transmission assembly is arranged on the top of the fixed block; A second mixing block is fixedly connected to one side of the top of the first mixing block, an inlet block is fixedly connected to the top of the second mixing block, and a stirring assembly is arranged in the inlet block; A mixing assembly is arranged in the second mixing block.
[0006] Preferably, the extrusion assembly comprises a first motor fixedly connected to one side of the connecting plate, the first motor is fixedly connected with the supporting base, the output end of the first motor is fixedly connected with a first rotating shaft, the outer side of the first rotating shaft is fixedly sleeved with a first conveying screw rod, the inside of the first mixing block is provided with a conveying bin, an extrusion bin and a discharging bin, the conveying bin, the extrusion bin and the discharging bin are communicated with each other, and the communication part of the conveying bin and the extrusion bin is fixedly connected with a material blocking plate.
[0007] Preferably, the transmission assembly comprises a supporting rod fixedly connected to the top of the fixed block, one end of the supporting rod is fixedly connected with a second connecting block, one side of the second connecting block is fixedly connected with a first supporting plate, the top of the first supporting plate is fixedly connected with a second motor, one side of the second motor is provided with a mounting block, the mounting block is fixedly connected to the top of the feeding block, the top of the feeding block is fixedly connected with a feeding port, and the output end of the second motor is fixedly connected with a second rotating shaft.
[0008] Preferably, the transmission assembly further comprises a third rotating shaft movably sleeved in the inside of the mounting block, one side of the inside of the mounting block is rotatably connected with a first connecting rod, the outer sides of the second rotating shaft, the third rotating shaft and the first connecting rod are all fixedly connected with bevel gears, each group of the bevel gears are meshed with each other, so as to ensure the stability of transmission.
[0009] Preferably, the stirring assembly comprises a main shaft fixedly connected to the bottom of the first connecting rod, the main shaft is movably sleeved in the inside of the feeding block, one side of the main shaft is fixedly connected with a plurality of second connecting rods, one side of the second connecting rod is fixedly connected with a first mixing plate, the other side of the main shaft is fixedly connected with a plurality of third connecting rods, and one end of the third connecting rod is fixedly connected with a second mixing plate.
[0010] Preferably, the stirring assembly further comprises a second conveying screw rod fixedly connected to one end of the main shaft, one end of the second conveying screw rod is fixedly connected with one end of a connecting shaft, and the other end of the connecting shaft is fixedly connected with a third conveying screw rod.
[0011] Preferably, the mixing assembly comprises two groups of third motors fixedly connected to the two sides of the second mixing block respectively, the output end of the third motor is fixedly connected with a fourth rotating shaft, the outer side of the fourth rotating shaft is movably sleeved with a sun gear, the sun gear is fixedly connected with the second mixing block, the bottom of the sun gear is provided with a third mixing plate, and the third mixing plate is fixedly connected with the fourth rotating shaft.
[0012] Preferably, the mixing assembly further comprises a plurality of moving columns movably sleeved in the second mixing block, the outer side of each of the plurality of moving columns is fixedly connected with a second gear, the outer side of the moving column is fixedly sleeved with a fourth mixing plate, the top of the fourth mixing plate is fixedly connected with a bearing sleeve, the outer side of the bearing sleeve is fixedly connected with two groups of fixed plates, the two groups of fixed plates are in V shape after being connected with the bearing sleeve, the two groups of fixed plates are respectively connected with the two rods of the third mixing plate, the two sides of the second mixing block are both provided with a material guide groove, and the material guide groove is in Y shape and guides the mixed material to the third conveying screw.
[0013] Preferably, one side of the top of the supporting base is fixedly connected with a fourth connecting rod, the top of the fourth connecting rod is fixedly connected with a control panel, one side of the first mixing block is fixedly connected with a discharging block, and the diameter of the first rotating shaft changes along with the change of the inner diameters of the conveying bin, the extruding bin and the discharging bin.
[0014] Preferably, the inclination angles of the first mixing plate and the second mixing plate are equal to the inclination angle of the feeding block, the side surfaces of the second connecting rod and the second mixing plate are in abutment with the inner wall of the feeding block, and the positions of the first mixing plate and the third connecting rod are on the same axis.
[0015] The beneficial effects of the present application are as follows: 1、the third motor is started to drive the fourth rotating shaft to rotate, the fourth rotating shaft drives the third mixing plate to rotate after rotating, the materials falling into the cavity are staggered and stirred by the rotation of the two third mixing plates, the stacked materials falling down are output to the two sides of the second mixing block, the materials are stirred twice in the stirring process, the fixed plate and the bearing sleeve are driven to rotate due to the rotation of the third mixing plate, the moving column is driven to move after the rotation of the bearing sleeve, the second gear is continuously meshed with the sun gear after the movement of the moving column, so that the moving column is driven to rotate, the synchronous rotation of the fourth mixing plate is realized by the reverse transmission of the self-rotation, the materials in the cavity are deeply stirred and mixed by the fourth mixing plate, the uniformity of the particle arrangement in the device is greatly improved by the multi-stage stirring, the internal composition difference of the materials is eliminated, the overall performance consistency is ensured, the conveying and stirring are simultaneously carried out during the work, the subsequent stirring process is continuously carried out while the second conveying screw conveys the materials, no additional waiting is needed, and the work efficiency can be effectively improved.
[0016] 2、The second motor is started to drive the second rotating shaft to rotate, the kinetic energy of the second rotating shaft is transmitted to the first connecting rod through the transmission of the plurality of bevel gears, the first connecting rod rotates, the main shaft rotates, the second connecting rod, the first mixing plate, the third connecting rod and the second mixing plate rotate, thereby the material falling into the inside of the feeding block is subjected to primary stirring, so that it can be mixed more uniformly, and the inner wall can also be scraped, avoiding the adhesion of the material in the inside. BRIEF DESCRIPTION OF DRAWINGS
[0017] The accompanying drawings, which constitute a part of this specification, illustrate embodiments of the present application and serve to explain the principles of the present application in a manner advantageous to understand the present application.
[0018] The present disclosure can be more clearly understood and appreciated from the following detailed description, taken in conjunction with the following drawings, in which: Figure 1 It is a schematic diagram of the overall structure of the present application; Figure 2 It is a schematic diagram of the side structure of the present application; Figure 3 It is a schematic diagram of the internal structure of the first mixing block of the present application; Figure 4 It is a schematic diagram of the internal structure of the mounting block of the present application; Figure 5 It is a schematic diagram of the internal structure of the feeding block of the present application; Figure 6 It is a schematic diagram of the internal structure of the second mixing block of the present application; Figure 7 It is a schematic diagram of the structure of the mixing assembly of the present application.
[0019] 1, support base; 2, first connecting block; 3, connecting plate; 4, first mixing block; 5, first motor; 6, first rotating shaft; 7, first conveying screw; 8, conveying bin; 9, extrusion bin; 10, discharge bin; 11, fixed block; 12, support rod; 13, second connecting block; 14, first support plate; 15, second motor; 16, mounting block; 17, feeding block; 18, feeding port; 19, second rotating shaft; 20, third rotating shaft; 21, first connecting rod; 22, bevel gear; 23, main shaft; 24, second connecting rod; 25, first mixing plate; 26, third connecting rod; 27, second mixing plate; 28, second conveying screw; 29, connecting shaft; 30, third conveying screw; 31, second mixing block; 32, third motor; 33, fourth rotating shaft; 34, sun gear; 35, third mixing plate; 36, moving column; 37, second gear; 38, fourth mixing plate; 39, bearing sleeve; 40, fixed plate; 41, material guide groove; 42, material blocking plate; 43, fourth connecting rod; 44, control panel; 45, discharge block. DETAILED DESCRIPTION
[0020] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by a person of ordinary skill in the art without creative work are within the protection scope of the present application.
[0021] Please refer to Figures 1-7 The embodiment of the present application provides a screw extruder for dietary fiber processing, which comprises a supporting base 1, a first connecting block 2 fixedly connected to one side of the top of the supporting base 1, a connecting plate 3 fixedly connected to one side of the first connecting block 2, a first mixing block 4 fixedly connected to the other side of the first connecting block 2, and an extrusion assembly arranged in the first mixing block 4. A fixed block 11 is fixedly connected to one side of the supporting base 1, and a transmission assembly is arranged on the top of the fixed block 11. A second mixing block 31 is fixedly connected to one side of the top of the first mixing block 4, and a feeding block 17 is fixedly connected to the top of the second mixing block 31, wherein a stirring assembly is arranged in the feeding block 17. A mixing assembly is arranged in the second mixing block 31.
[0022] The extrusion assembly comprises a first motor 5 fixedly connected to one side of the connecting plate 3, wherein the first motor 5 is fixedly connected to the supporting base 1, the output end of the first motor 5 is fixedly connected with a first rotating shaft 6, the outer side of the first rotating shaft 6 is fixedly sleeved with a first conveying screw 7, the inside of the first mixing block 4 is provided with a conveying bin 8, an extrusion bin 9 and a discharging bin 10, the conveying bin 8, the extrusion bin 9 and the discharging bin 10 are in communication with each other, and a material blocking plate 42 is fixedly connected to the communication part of the conveying bin 8 and the extrusion bin 9. By starting the first motor 5, the first conveying screw 7 is directly driven to operate by the first rotating shaft 6, the screw adopts a differential pitch design, the first mixing block 4 is divided into a plurality of functionally independent bins, this modular layout not only realizes efficient collaborative work between processes, but also can quickly lock the abnormal working condition area by real-time monitoring of material state parameters, greatly shortens the fault troubleshooting time, and finally realizes standardized discharge through the discharging block 45 when the material is completed deep processing, which marks the completion of closed-loop operation of the whole production line.
[0023] The transmission assembly includes a support rod 12, which is fixedly connected to the top of the fixed block 11. One end of the support rod 12 is fixedly connected to a second connecting block 13. A first support plate 14 is fixedly connected to one side of the second connecting block 13. A second motor 15 is fixedly connected to the top of the first support plate 14. A mounting block 16 is provided on one side of the second motor 15. The mounting block 16 is fixedly connected to the top of the feed block 17. A feed inlet 18 is fixedly connected to the top of the feed block 17. A second rotating shaft 19 is fixedly connected to the output end of the second motor 15. The transmission assembly also includes a third rotating shaft 20, which is movably sleeved inside the mounting block 16. A first connecting rod 21 is rotatably connected to one side inside the mounting block 16. Bevel gears 22 are fixedly connected to the outer sides of the second rotating shaft 19, the third rotating shaft 20, and the first connecting rod 21. Each set of bevel gears 22 meshes with each other to ensure the stability of the transmission. By starting the second motor 15, the second rotating shaft 19 is driven to rotate. After the second rotating shaft 19 rotates, the kinetic energy of the second rotating shaft 19 is transmitted to the first connecting rod 21 through the transmission of multiple sets of bevel gears 22, causing the first connecting rod 21 to rotate, providing kinetic energy for the subsequent operation of the stirring components. At the same time, the main shaft 23 driven by the bevel gears 22 can play a role in conveying materials.
[0024] The mixing assembly includes a main shaft 23, which is fixedly connected to the bottom of the first connecting rod 21. The main shaft 23 is movably sleeved inside the feed block 17. Multiple sets of second connecting rods 24 are fixedly connected to one side of the main shaft 23. A first mixing plate 25 is fixedly connected to one side of the second connecting rod 24. Multiple sets of third connecting rods 26 are fixedly connected to the other side of the main shaft 23. A second mixing plate 27 is fixedly connected to one end of the third connecting rod 26. The mixing assembly also includes a second conveying screw 28, which is fixedly connected to one end of the main shaft 23. One end of the second conveying screw 28 is fixedly connected to one end of the connecting shaft 29. A third conveying screw 30 is fixedly connected to the other end of the connecting shaft 29. By starting the second motor 15, the second rotating shaft 19 is driven to rotate. After the second rotating shaft 19 rotates, the kinetic energy of the second rotating shaft 19 is transmitted to the first connecting rod 21 through the transmission of multiple sets of bevel gears 22, causing the first connecting rod 21 to rotate. The rotation of the first connecting rod 21 drives the main shaft 23 to rotate. The rotation of the main shaft 23 drives the second connecting rod 24, the first mixing plate 25, the third connecting rod 26, and the second mixing plate 27 to rotate, thereby performing primary mixing of the material falling into the feed block 17, so that it can be mixed more evenly. At the same time, the second connecting rod 24 and the third connecting rod 26 can scrape the inner wall of the feed block 17 to prevent the material from adhering inside the feed block 17.
[0025] The mixing assembly comprises two groups of third motors 32, the two groups of third motors 32 are fixedly connected to the two sides of the second mixing block 31 respectively, the output end of the third motor 32 is fixedly connected with a fourth rotating shaft 33, the outer side of the fourth rotating shaft 33 is movably sleeved with a sun gear 34, the sun gear 34 is fixedly connected with the second mixing block 31, the bottom of the sun gear 34 is provided with a third mixing plate 35, the third mixing plate 35 is fixedly connected with the fourth rotating shaft 33, the mixing assembly further comprises a plurality of moving columns 36, the plurality of moving columns 36 are movably sleeved in the inside of the second mixing block 31, the outer side of the plurality of moving columns 36 is fixedly connected with a second gear 37, the outer side of the moving column 36 is fixedly sleeved with a fourth mixing plate 38, the top of the fourth mixing plate 38 is fixedly connected with a bearing sleeve 39, the outer side of the bearing sleeve 39 is fixedly connected with two groups of fixed plates 40, the two groups of fixed plates 40 are V-shaped after being connected with the bearing sleeve 39, the two groups of fixed plates 40 are connected with the two rods of the third mixing plate 35 respectively, the two sides in the inside of the second mixing block 31 are provided with guide grooves 41, the guide grooves 41 are Y-shaped and guide the mixed materials to the third conveying screw 30. By starting the third motor 32 to drive the fourth rotating shaft 33 to rotate, the fourth rotating shaft 33 drives the third mixing plate 35 to rotate after rotating, the two sides of the third mixing plate 35 rotate to stagger the materials falling into the cavity, the materials falling and stacking are output to the two sides in the inside of the second mixing block 31, the materials are stirred twice in the process of stirring, at this time, due to the rotation of the third mixing plate 35, the fixed plate 40 and the bearing sleeve 39 are driven to rotate, the bearing sleeve 39 drives the moving column 36 to move after rotating, the moving column 36 drives the second gear 37 to continuously mesh with the sun gear 34 after moving, so that the moving column 36 rotates, the rotation is reversely transmitted to the fourth mixing plate 38, so that the fourth mixing plate 38 rotates synchronously, thereby, the fourth mixing plate 38 implements deep three-stage stirring and mixing for the materials stirred to the inside of the cavity, the uniformity of the arrangement of the particles in the device is greatly improved through multi-stage stirring, the internal composition difference of the materials is eliminated, the overall performance consistency is ensured, at the same time, conveying and stirring are carried out synchronously during work, the subsequent stirring process is continuously carried out while the second conveying screw conveys the materials, without additional waiting, the work efficiency can be effectively improved.
[0026] The fourth connecting rod 43 is fixedly connected to one side of the top of the supporting base 1, the control panel 44 is fixedly connected to the top of the fourth connecting rod 43, the discharge block 45 is fixedly connected to one side of the first mixing block 4, the diameter of the first rotating shaft 6 changes with the change of the inner diameters of the conveying bin 8, the extrusion bin 9 and the discharge bin 10.
[0027] The inclination angle of the first mixing plate 25 and the second mixing plate 27 is equal to the inclination angle of the feeding block 17, the side surface of the second connecting rod 24 and the second mixing plate 27 abuts against the inner wall of the feeding block 17, and the position of the first mixing plate 25 and the third connecting rod 26 is on the same axis.
[0028] Working principle: In working, the material is poured into the inside of the feeding block 17 through the feeding port 18, at this time, the second motor 15 is started to drive the second rotating shaft 19 to rotate, the kinetic energy of the second rotating shaft 19 is transmitted to the first connecting rod 21 through the transmission of the plurality of bevel gears 22, so that the first connecting rod 21 rotates, the main shaft 23 rotates driven by the first connecting rod 21, the second connecting rod 24, the first mixing plate 25, the third connecting rod 26 and the second mixing plate 27 rotate driven by the main shaft 23, thereby the material falling into the inside of the feeding block 17 is subjected to primary stirring, so that it can be mixed more uniformly, at the same time, the second connecting rod 24 and the third connecting rod 26 can scrape the inner wall of the feeding block 17, avoiding the adhesion of the material in the inside of the feeding block 17; At this time, the once-mixed material is transported into the inside of the second mixing block 31 by the rotation of the second conveying screw 28, at this time, the material falls into the cavity in the inside of the second mixing block 31, at this time, the third motor 32 is started to drive the fourth rotating shaft 33 to rotate, the third mixing plate 35 rotates driven by the fourth rotating shaft 33, the material falling into the cavity is staggered and stirred by the rotation of the two third mixing plates 35 on the sides, the stacked material falling downward is respectively output to the two sides in the inside of the second mixing block 31, the material is subjected to secondary stirring in the process of stirring, at this time, the third mixing plate 35 rotates, which drives the fixed plate 40 and the bearing sleeve 39 to rotate, the bearing sleeve 39 rotates, which drives the moving column 36 to move, the moving column 36 moves, which causes the second gear 37 to continuously mesh with the sun gear 34, thereby driving the moving column 36 to rotate, the rotation is reversely transmitted to the fourth mixing plate 38, so that the fourth mixing plate 38 rotates synchronously, thereby the fourth mixing plate 38 implements deep tertiary stirring and mixing for the material stirred to the inside of the cavity, through the multi-stage stirring, the uniformity of the particle arrangement in the inside of the device is greatly improved, the internal composition difference of the material is eliminated, the overall performance consistency is ensured, at the same time, the conveying and stirring are simultaneously carried out in working, the subsequent stirring process is continuously carried out while the material is conveyed by the second conveying screw 28, without additional waiting, which can effectively improve the working efficiency; The mixed material is orderly discharged through the guide chute 41, and then a continuous transmission chain is formed by the second conveying screw 28, the linkage shaft 29 and the third conveying screw 30, so that the material is accurately conveyed to the inner cavity of the first mixing block 4. In this process, the system synchronously starts the first motor 5, and the first conveying screw 7 is directly driven to rotate by the first rotating shaft 6. The screw is designed with different pitches, and the first mixing block 4 is divided into multiple functionally independent chambers. This modular layout not only realizes efficient collaborative work between processes, but also quickly locates abnormal working condition areas by real-time monitoring of material state parameters, greatly shortening the troubleshooting time. After the material is deeply processed, it is finally discharged through the discharge block 45 to realize standardized discharge, marking the completion of the closed-loop operation of the entire production line.
[0029] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present application and are not limiting. Although the present application has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present application can be modified or replaced equivalently without departing from the spirit and scope of the present application, and they should be covered in the scope of the claims of the present application.
Claims
1. A screw extruder for processing dietary fiber, comprising a support base (1), characterized in that, A first connecting block (2) is fixedly connected to one side of the top of the support base (1), a connecting plate (3) is fixedly connected to one side of the first connecting block (2), a first mixing block (4) is fixedly connected to the other side of the first connecting block (2), and an extrusion assembly is provided inside the first mixing block (4). A fixing block (11) is fixedly connected to one side of the support base (1), and a transmission component is provided on the top of the fixing block (11). A second mixing block (31) is fixedly connected to one side of the top of the first mixing block (4), and a feed block (17) is fixedly connected to the top of the second mixing block (31). A stirring assembly is provided inside the feed block (17). The second mixing block (31) is equipped with a mixing component.
2. The screw extruder for processing dietary fiber according to claim 1, characterized in that, The extrusion assembly includes a first motor (5), which is fixedly connected to one side of the connecting plate (3). The first motor (5) is fixedly connected to the support base (1). The output end of the first motor (5) is fixedly connected to a first rotating shaft (6). A first conveying screw (7) is fixedly sleeved on the outside of the first rotating shaft (6). The first mixing block (4) has a conveying chamber (8), an extrusion chamber (9), and a discharge chamber (10) inside. The conveying chamber (8), the extrusion chamber (9), and the discharge chamber (10) are interconnected. A baffle plate (42) is fixedly connected at the connection between the conveying chamber (8) and the extrusion chamber (9).
3. A screw extruder for processing dietary fiber according to claim 2, characterized in that, The transmission assembly includes a support rod (12), which is fixedly connected to the top of the fixed block (11). One end of the support rod (12) is fixedly connected to a second connecting block (13). One side of the second connecting block (13) is fixedly connected to a first support plate (14). The top of the first support plate (14) is fixedly connected to a second motor (15). One side of the second motor (15) is provided with an mounting block (16). The mounting block (16) is fixedly connected to the top of the feed block (17). The top of the feed block (17) is fixedly connected to a feed inlet (18). The output end of the second motor (15) is fixedly connected to a second rotating shaft (19).
4. A screw extruder for processing dietary fiber according to claim 3, characterized in that, The transmission assembly also includes a third rotating shaft (20), which is movably sleeved inside the mounting block (16). A first connecting rod (21) is rotatably connected to one side inside the mounting block (16). A bevel gear (22) is fixedly connected to the outer side of the second rotating shaft (19), the third rotating shaft (20), and the first connecting rod (21). Each set of bevel gears (22) meshes with each other to ensure the stability of the transmission.
5. A screw extruder for processing dietary fiber according to claim 4, characterized in that, The stirring assembly includes a main shaft (23), which is fixedly connected to the bottom of the first connecting rod (21). The main shaft (23) is movably sleeved inside the feed block (17). Multiple sets of second connecting rods (24) are fixedly connected to one side of the main shaft (23). A first mixing plate (25) is fixedly connected to one side of the second connecting rod (24). Multiple sets of third connecting rods (26) are fixedly connected to the other side of the main shaft (23). A second mixing plate (27) is fixedly connected to one end of the third connecting rod (26).
6. A screw extruder for processing dietary fiber according to claim 5, characterized in that, The stirring assembly also includes a second conveying screw (28), which is fixedly connected to one end of the main shaft (23). One end of the second conveying screw (28) is fixedly connected to one end of the connecting shaft (29), and the other end of the connecting shaft (29) is fixedly connected to a third conveying screw (30).
7. A screw extruder for processing dietary fiber according to claim 6, characterized in that, The mixing component includes two sets of third motors (32), which are fixedly connected to both sides of the second mixing block (31). The output end of the third motor (32) is fixedly connected to a fourth rotating shaft (33). A sun gear (34) is movably sleeved on the outside of the fourth rotating shaft (33). The sun gear (34) is fixedly connected to the second mixing block (31). A third mixing plate (35) is provided at the bottom of the sun gear (34). The third mixing plate (35) is fixedly connected to the fourth rotating shaft (33).
8. A screw extruder for processing dietary fiber according to claim 7, characterized in that, The mixing assembly also includes multiple sets of movable columns (36), which are movably sleeved inside the second mixing block (31). A second gear (37) is fixedly connected to the outside of each set of movable columns (36). A fourth mixing plate (38) is fixedly sleeved to the outside of each movable column (36). A bearing sleeve (39) is fixedly connected to the top of the fourth mixing plate (38). Two sets of fixed plates (40) are fixedly connected to the outside of the bearing sleeve (39). The two sets of fixed plates (40) are connected to the bearing sleeve (39) in a V-shape. The two sets of fixed plates (40) are respectively connected to the two rods of the third mixing plate (35). Guide grooves (41) are provided on both sides inside the second mixing block (31). The guide grooves (41) are Y-shaped and guide the mixed material to the third conveying screw (30).
9. A screw extruder for processing dietary fiber according to claim 8, characterized in that, A fourth connecting rod (43) is fixedly connected to one side of the top of the support base (1), and a control panel (44) is fixedly connected to the top of the fourth connecting rod (43). A discharge block (45) is fixedly connected to one side of the first mixing block (4). The diameter of the first rotating shaft (6) changes with the inner diameter of the conveying chamber (8), the extrusion chamber (9), and the discharge chamber (10).
10. A screw extruder for processing dietary fiber according to claim 9, characterized in that, The tilt angles of the first mixing plate (25) and the second mixing plate (27) are equal to the tilt angle of the feed block (17). The sides of the second connecting rod (24) and the second mixing plate (27) abut against the inner wall of the feed block (17). The positions of the first mixing plate (25) and the third connecting rod (26) are on the same axis.