High-viscosity material mixing device of screw extruder
By designing a high viscosity material mixing device combining the mixing mechanism and the feeding mechanism on the screw extruder, the problem of unstable mixing and feeding in the prior art is solved, efficient mixing and stable feeding are achieved, and the mixing quality is improved.
Patent Information
- Application Number
- CN202421880244.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-06
- Publication Date
- 2025-05-16
- Estimated Expiration
- 2034-08-06
AI Technical Summary
When the existing high viscosity material mixing device is used on a screw extruder, it is difficult to effectively mix and convey and stabilize the discharge, resulting in a lower mixing quality.
A high viscosity material mixing device for screw extruder is designed, and a combination of mixing mechanism and cutting mechanism is adopted. The mixing mechanism drives the mixing rod through a mixing motor, driving the conveying blades and the mixing blades to alternately distribute them to achieve effective mixing and conveying of materials. The cutting mechanism drives the cutting rod through the cutting motor, driving the scraper and the cutting blade to be distributed in annular shape to ensure the stable cutting of the material.
The effective mixing and conveying of high viscosity materials on the screw extruder and stable discharge are achieved, improving the mixing quality.
Smart Images

Figure CN222875253U_ABST
Abstract
Description
Technical Field
[0001] The present application relates to the technical field of screw extruders, and in particular to a high-viscosity material mixing device for a screw extruder. Background Art
[0002] The invention discloses a high-viscosity material mixing device for a screw extruder, which is mainly used to improve the mixing efficiency, uniformity and stability of the high-viscosity material.
[0003] After checking the announcement number: CN213166791U, an extruder screw structure suitable for high-viscosity elastomers is disclosed. This technology discloses "including an extruder tube, a hopper, a motor, a screw rod, a stirring device and a mixing mechanism. The design is provided with a stirring device at the middle end of the screw rod. When the material is transported into the stirring device through the screw rod, the rotating block is rotated by the rotation of the screw rod, so that the rotating block drives the stirring blade to rotate. At the same time, the stirring frame rotates through the stirring blade and the rotating block. When the stirring frame rotates, the shovel block is driven to rotate. The rotation of the shovel block can prevent the material from accumulating in the bottom corner of the stirring frame, and the rotation of the stirring blade simultaneously drives the stopper to rotate. The stopper can transport the material inward, and the rotation of the stirring blade can tumble and stir the material, so that the material improves the mixing effect. The stirring blade is arc-shaped, and the material can continue to be transported through the arc of the stirring blade. The anti-corrosion layer can protect the surface of the stirring blade, thereby achieving the beneficial effect of stirring the material and improving the mixing effect."
[0004] With respect to the above-mentioned related technologies, the inventors believe that when the high-viscosity material mixing devices of the prior art are used on a screw extruder, most of the high-viscosity material mixing devices cannot effectively perform mixing and conveying, resulting in poor use effect of the high-viscosity material mixing devices. Moreover, when the high-viscosity material mixing devices of the prior art are used on a screw extruder, most of the high-viscosity material mixing devices cannot stably discharge materials, resulting in low mixing quality of the high-viscosity material mixing devices. Utility Model Content
[0005] The purpose of the present application is to provide a high-viscosity material mixing device for a screw extruder, so as to improve the problem that most high-viscosity material mixing devices cannot effectively perform mixing and conveying and most high-viscosity material mixing devices cannot stably discharge materials.
[0006] The high viscosity material mixing device of a screw extruder provided in the present application adopts the following technical solution:
[0007] A high-viscosity material mixing device for a screw extruder comprises a base frame, a mixing mechanism is fixedly provided on both sides of the inner surface of the base frame, two feeding mechanisms are fixedly provided on the upper end of the mixing mechanism, the mixing mechanism comprises a box body, a mixing barrel is fixedly provided inside the box body, a discharge port is provided on one side of the mixing barrel, a mixing motor is provided on one side of the mixing barrel, a mixing rod is fixedly provided on the output end of the mixing motor, a plurality of conveying blades are provided on the outer surface of the mixing rod, and a plurality of mixing blades are fixedly provided on the outer surface of the mixing rod.
[0008] By adopting the above technical solution, through the mixing mechanism, when the high-viscosity material mixing device is used on a screw extruder, the high-viscosity material can be mixed while being driven for transportation, thereby achieving the purpose of the high-viscosity material mixing device being able to effectively mix and transport.
[0009] Optionally, the unloading mechanism includes a unloading shell, a unloading port is opened at the lower end of the unloading shell, a mounting frame is fixedly provided at the upper end of the unloading shell, a unloading motor is provided at the upper end of the mounting frame, a unloading rod is fixedly provided at the output end of the unloading motor, a plurality of scrapers are fixedly provided on the outer surface of the unloading rod, and a unloading blade is fixedly provided on the outer surface of the unloading rod.
[0010] By adopting the above technical solution, through the feeding mechanism, when the high-viscosity material mixing device is used on the screw extruder, the material can be fed stably, and then the mixing mechanism is assisted to mix the high-viscosity material, thereby achieving the purpose of the high-viscosity material mixing device being able to feed stably.
[0011] Optionally, five ventilation slots are provided on both sides of the box body, and every five ventilation slots are distributed on both sides of the box body at equal intervals.
[0012] By adopting the above technical solution, the ventilation slots can prevent the hybrid motor from being damaged by overheating.
[0013] Optionally, three conveying blades are provided, and two mixing blades are provided, and the three conveying blades and the two mixing blades are alternately distributed on the outer surface of the mixing rod.
[0014] By adopting the above technical solution, the three conveying blades and the two mixing blades are alternately distributed, so that the materials can be effectively mixed while being conveyed.
[0015] Optionally, a mixing support frame is fixedly provided at the lower end of the mixing motor, and the lower end of the mixing support frame is fixedly connected to the lower inner wall of the box body.
[0016] By adopting the above technical solution, the hybrid motor can be fixed on the lower inner wall of the box through the hybrid support frame.
[0017] Optionally, the outer surfaces of the box body and the mixing barrel are jointly provided with two material discharge troughs respectively used in conjunction with two material discharge mechanisms.
[0018] By adopting the above technical solution, the material discharge mechanism can be welded and fixed through the material discharge chute.
[0019] Optionally, twelve scrapers are provided, and every six scrapers are respectively distributed in a ring shape on the outer surfaces of the two discharge rods.
[0020] By adopting the above technical solution, the scrapers are distributed in an annular shape and can effectively scrape the materials on the inner wall of the material discharge shell.
[0021] Optionally, a material unloading support frame is fixedly provided on the upper ends of the two material unloading motors, and the lower ends of the two material unloading support frames are fixedly connected to the upper ends of the two mounting frames respectively.
[0022] By adopting the above technical solution, the unloading motor can be fixed on the upper end of the mounting frame through the unloading support frame.
[0023] In summary, the present application includes at least one of the following beneficial technical effects:
[0024] 1. The utility model uses a mixing mechanism, and when the high-viscosity material mixing device is used on a screw extruder, it can mix the high-viscosity material while driving it for transportation, thereby achieving the purpose of effectively mixing and conveying the high-viscosity material mixing device.
[0025] 2. The utility model uses a feeding mechanism to stably feed high-viscosity material mixing devices when used on a screw extruder, thereby assisting the mixing mechanism to mix high-viscosity material, thereby achieving the purpose of stably feeding high-viscosity material mixing devices. BRIEF DESCRIPTION OF THE DRAWINGS
[0026] Figure 1 It is a schematic diagram of the structure of the utility model.
[0027] Figure 2 It is a schematic cross-sectional view of the structure of the hybrid mechanism of the utility model.
[0028] Figure 3 It is a schematic cross-sectional view of the structure of the material feeding mechanism of the utility model.
[0029] In the figure, 1, base frame; 2, mixing mechanism; 3, unloading mechanism; 4, ventilation slot; 20, box body; 21, mixing barrel; 22, mixing rod; 23, discharge port; 24, conveying blade; 25, mixing blade; 26, mixing support frame; 27, mixing motor; 28, unloading chute; 30, unloading shell; 31, mounting frame; 32, unloading support frame; 33, unloading motor; 34, unloading rod; 35, scraper; 36, unloading port; 37, unloading blade. DETAILED DESCRIPTION
[0030] The following is combined with Figure 1 -Attached Figure 3 , further details of this application are given. Example
[0031] A high viscosity material mixing device for a screw extruder, referring to Figure 1 and Figure 2 , including a base frame 1, a mixing mechanism 2 is fixedly arranged on both sides of the inner surface of the base frame 1, the mixing mechanism 2 is used to transport and mix materials, two feeding mechanisms 3 are fixedly arranged on the upper end of the mixing mechanism 2, the feeding mechanisms 3 are used to assist the mixing mechanism 2 in feeding and mixing, the mixing mechanism 2 includes a box body 20, a mixing cylinder 21 is welded and fixed inside the box body 20, a discharge port 23 is opened on one side of the mixing cylinder 21, a mixing motor 27 is arranged on one side of the mixing cylinder 21, a mixing rod 22 is fixedly connected to the output end of the mixing motor 27, a plurality of conveying blades 24 are arranged on the outer surface of the mixing rod 22, the conveying blades 24 are used to drive the materials to move forward, a plurality of mixing blades 25 are fixedly arranged on the outer surface of the mixing rod 22, and the mixing blades 25 are more inclined to drive the materials to mix.
[0032] Reference Figure 2 Five ventilation slots 4 are provided on both sides of the box body 20, and every five ventilation slots 4 are distributed on both sides of the box body 20 at equal intervals. Three conveying blades 24 are provided, and two mixing blades 25 are provided. The three conveying blades 24 and the two mixing blades 25 are alternately distributed on the outer surface of the mixing rod 22. A mixing support frame 26 is fixedly installed on the lower end of the mixing motor 27, and the lower end of the mixing support frame 26 is fixed to the lower inner wall of the box body 20 by bolts. The outer surfaces of the box body 20 and the mixing barrel 21 are jointly provided with two unloading troughs 28 used in conjunction with the two unloading mechanisms 3 respectively. The ventilation slots 4 can prevent the mixing motor 27 from being overheated and damaged. The three conveying blades 24 and the two mixing blades 25 are alternately distributed, and effective mixing can be performed while conveying materials. The mixing motor 27 can be fixed to the lower inner wall of the box body 20 through the mixing support frame 26, and the unloading mechanism 3 can be welded and fixed through the unloading trough 28.
[0033] Reference Figure 3 The unloading mechanism 3 includes a unloading shell 30, a unloading port 36 is opened at the lower end of the unloading shell 30, a mounting frame 31 is welded and fixed to the upper end of the unloading shell 30, a unloading motor 33 is arranged at the upper end of the mounting frame 31, an output end of the unloading motor 33 is fixedly connected to a unloading rod 34, a plurality of scrapers 35 are fixedly welded to the outer surface of the unloading rod 34, the scrapers 35 are used to scrape the material on the inner wall of the unloading shell 30, and a unloading blade 37 is fixedly welded to the outer surface of the unloading rod 34.
[0034] Reference Figure 3 Twelve scrapers 35 are provided, and every six scrapers 35 are respectively distributed in a ring shape on the outer surface of the two unloading rods 34. The upper ends of the two unloading motors 33 are fixedly installed with unloading support frames 32, and the lower ends of the two unloading support frames 32 are respectively fixedly connected to the upper ends of the two mounting frames 31. The scrapers 35 are distributed in a ring shape and can effectively scrape the materials on the inner wall of the unloading shell 30. The unloading motor 33 can be fixed on the upper end of the mounting frame 31 through the unloading support frame 32.
[0035] The implementation principle of the embodiment of the present application is as follows: through the mixing mechanism 2, the mixing motor 27 inside the box 20 is started, so that the mixing motor 27 can drive the mixing rod 22 to rotate in the mixing barrel 21 through the output end, and then the material can be allowed to enter through the feeding mechanism 3, and the material will fall on the conveying blade 24, and move forward with the rotation of the mixing rod 22, and then pass through the mixing blade 25 to fully mix the material, and finally send it out through the discharge port 23, so that the high-viscosity material mixing device can effectively carry out mixing and conveying.
[0036] The ventilation slot 4 can prevent the mixing motor 27 from being damaged by overheating. The three conveying blades 24 and the two mixing blades 25 are alternately distributed to effectively mix the materials while conveying them. The mixing motor 27 can be fixed to the lower inner wall of the box body 20 through the mixing support frame 26, and the unloading mechanism 3 can be welded and fixed through the unloading slot 28.
[0037] Through the unloading mechanism 3, the unloading motor 33 on the mounting frame 31 is started, and the material is poured from the top of the unloading shell 30. The unloading motor 33 can drive the scraper 35 through the unloading rod 34 to scrape the material on the inner wall of the unloading shell 30, and the material enters the unloading blade 37 on the unloading rod 34 and is transported into the interior of the mixing mechanism 2 for mixing, so that the purpose of stably unloading the high-viscosity material mixing device can be achieved;
[0038] The scraper 35 is distributed in an annular shape and can effectively scrape the materials on the inner wall of the material discharge shell 30 . The material discharge motor 33 can be fixed on the upper end of the mounting frame 31 through the material discharge support frame 32 .
[0039] The embodiments of this specific implementation are all preferred embodiments of the present application, and are not intended to limit the protection scope of the present application. The same components are represented by the same figure marks. Therefore, any equivalent changes made based on the structure, shape, and principle of the present application should be included in the protection scope of the present application.
Claims
1. A high-viscosity material mixing device for a screw extruder, comprising a base frame (1), characterized in that: A mixing mechanism (2) is fixedly provided on both sides of the inner surface of the base frame (1), and two feeding mechanisms (3) are fixedly provided on the upper end of the mixing mechanism (2); The mixing mechanism (2) comprises a box body (20), a mixing cylinder (21) is fixedly arranged inside the box body (20), a material discharge port (23) is opened on one side of the mixing cylinder (21), a mixing motor (27) is arranged on one side of the mixing cylinder (21), a mixing rod (22) is fixedly arranged at the output end of the mixing motor (27), a plurality of conveying blades (24) are arranged on the outer surface of the mixing rod (22), and a plurality of mixing blades (25) are fixedly arranged on the outer surface of the mixing rod (22).
2. A high viscosity material mixing device for a screw extruder according to claim 1, characterized in that: The material discharge mechanism (3) comprises a material discharge shell (30), a material discharge port (36) is provided at the lower end of the material discharge shell (30), a mounting frame (31) is fixedly provided at the upper end of the material discharge shell (30), a material discharge motor (33) is provided at the upper end of the mounting frame (31), a material discharge rod (34) is fixedly provided at the output end of the material discharge motor (33), a plurality of scrapers (35) are fixedly provided on the outer surface of the material discharge rod (34), and a material discharge blade (37) is fixedly provided on the outer surface of the material discharge rod (34).
3. The high viscosity material mixing device of a screw extruder according to claim 1, characterized in that: Five ventilation slots (4) are provided on both sides of the box body (20), and each of the five ventilation slots (4) are distributed at equal intervals on both sides of the box body (20).
4. The high viscosity material mixing device of a screw extruder according to claim 1, characterized in that: The three conveying blades (24) are provided, and the two mixing blades (25) are provided. The three conveying blades (24) and the two mixing blades (25) are alternately distributed on the outer surface of the mixing rod (22).
5. The high viscosity material mixing device of a screw extruder according to claim 1, characterized in that: A mixing support frame (26) is fixedly provided at the lower end of the mixing motor (27), and the lower end of the mixing support frame (26) is fixedly connected to the lower inner wall of the box body (20).
6. The high viscosity material mixing device of a screw extruder according to claim 1, characterized in that: The outer surfaces of the box body (20) and the mixing barrel (21) are provided with two material discharge grooves (28) respectively used in conjunction with the two material discharge mechanisms (3).
7. A high viscosity material mixing device for a screw extruder according to claim 2, characterized in that: Twelve scrapers (35) are provided, and every six scrapers (35) are respectively distributed in a ring shape on the outer surfaces of the two material discharge rods (34).
8. The high viscosity material mixing device of a screw extruder according to claim 2, characterized in that: A material unloading support frame (32) is fixedly provided at the upper ends of the two material unloading motors (33), and the lower ends of the two material unloading support frames (32) are respectively fixedly connected to the upper ends of the two mounting frames (31).
Citation Information
Patent Citations
Extruder screw structure suitable for high-viscosity elastomer
CN213166791U