A mixing material uniform stirring device

Abstract

The utility model discloses a kind of mixed material uniform stirring devices, it is related to material mixing and stirring equipment technical field, including first stirring box, the U-shaped feed box of solid connection in first stirring box upper end, the air supply mechanism of setting in U-shaped feed box one end, the second stirring box of solid connection in U-shaped feed box recess, the second stirring mechanism of intruding second stirring box inside, the first stirring mechanism of solid connection in first stirring box upper end, the push mechanism of solid connection in first stirring box side wall, and the auxiliary push mechanism of setting in first stirring box side wall;U-shaped feed box inside is cavity, two end portions are open shape, first end opening is communicated with first stirring box inside, second end opening is communicated with air supply mechanism. The utility model is cooperated by U-shaped feed box and ventilation passage, communicating groove, so that airflow after pre-stirring material is sent to first stirring box and secondary stirring is carried out, with the advantages of high stirring efficiency, material conveying smooth, no residue.

Description

Technical Field

[0001] This utility model relates to the technical field of material mixing and stirring equipment, specifically a device for uniformly mixing mixed materials. Background Technology

[0002] In industries such as chemical, agricultural, and food processing, it is often necessary to uniformly mix various powdery or granular materials. Existing mixing devices mostly adopt a single mixing tank structure, where materials are mixed by rotating a stirring paddle or frame within the tank.

[0003] However, when additives need to be added in stages or premixed, a single mixing tank is insufficient to meet the process requirements. Although some equipment includes a premixing chamber, the conveying of premixed material to the main mixing chamber relies heavily on gravity discharge or screw conveyor. For materials with poor flowability and a tendency to clump, this results in problems such as poor conveying, clogged discharge ports, and residue buildup in the conveying channels. Furthermore, the lack of auxiliary dispersion methods during the conveying process in the premixing chamber makes it easy for materials to clump together and enter the main mixing chamber, increasing the load on the main mixer and affecting the final mixing uniformity.

[0004] Therefore, how to design a uniform mixing device that can achieve smooth conveying of pre-mixed materials, assist in material dispersion, and achieve high mixing efficiency has become a technical problem that urgently needs to be solved in this field. Utility Model Content

[0005] The purpose of this invention is to provide a uniform mixing device for mixed materials, which has the advantages of smooth material conveying, airflow-assisted dispersion of premixed materials, and high mixing efficiency, thus solving the problems in the prior art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: A device for uniformly mixing mixed materials includes a first mixing box, a U-shaped feed box fixed to the upper end of the first mixing box, an air supply mechanism disposed at one end of the U-shaped feed box, a second mixing box fixed to the recess of the U-shaped feed box, a second mixing mechanism extending into the second mixing box, a first mixing mechanism fixed to the upper end of the first mixing box, a pushing mechanism fixed to the side wall of the first mixing box, and an auxiliary pushing mechanism disposed on the side wall of the first mixing box. The U-shaped feed box has a hollow interior and two open ends. The first end is connected to the interior of the first mixing tank, and the second end is connected to the air supply mechanism. The inner wall of the U-shaped feed box is fixed with a ventilation channel, which connects the cavity of the U-shaped feed box with the interior of the second mixing box; the side wall of the second mixing box is provided with a connecting groove, and the interior of the second mixing box is connected to the cavity on the first end opening side of the U-shaped feed box through the connecting groove. A guide plate is fixed to the inner wall of the first mixing tank, and the guide plate is located directly below the opening at the first end of the U-shaped feed box; The air supply mechanism is used to deliver airflow into the cavity of the U-shaped feed box. The airflow can enter the second mixing box through the ventilation channel to disperse the material, and blow the material that enters the cavity through the connecting groove to the guide plate, so that the material falls into the first mixing box.

[0007] Preferably, the air supply mechanism includes an air inlet hood fixed to the lower end of the second end opening of the U-shaped feed box, an air collecting hood fixed to the lower end of the air inlet hood, and an axial flow fan fixed to the lower end of the air collecting hood, wherein the air outlet end of the axial flow fan is arranged facing upward.

[0008] It is worth noting that the air supply mechanism guides the airflow generated by the axial flow fan into the U-shaped feed box through the air inlet hood and the air collection hood. The airflow flows along the cavity of the U-shaped feed box, forming the main driving force for material conveying. At the same time, the branch airflow enters the second mixing box through the ventilation channel, which plays an auxiliary role in dispersing the pre-mixed material.

[0009] Preferably, a feed frame is fixedly connected to the upper end of the second mixing tank, and the feed frame is connected to the internal cavity of the second mixing tank for feeding in the materials to be mixed.

[0010] It is worth noting that the feed frame is located at the top of the second mixing tank, so that the materials or additives to be premixed can be directly put into the second mixing tank for premixing, which is different from the main mixing area and realizes the function of segmented feeding and premixing.

[0011] Preferably, the second stirring mechanism includes a first motor, a fixing ring, and a plurality of stirring blocks; the first motor is fixed to the upper end of the U-shaped feed box, and the lower end of the U-shaped feed box has a through hole coaxial with the output shaft of the first motor, the output shaft of the first motor passes through the through hole and the upper end of the second stirring box and extends into the interior of the second stirring box; the fixing ring is fixed to the outer peripheral wall of the output shaft of the first motor, and the plurality of stirring blocks are fixed to the outer peripheral wall of the fixing ring.

[0012] It is worth noting that the second stirring mechanism drives the fixed ring and stirring block to rotate through the first motor, premixing the materials in the second mixing tank. The connection method between the stirring block and the fixed ring makes the stirring components securely installed and easy to replace.

[0013] Preferably, a third electric cylinder is fixedly connected to the outer peripheral wall of the U-shaped feed box. The output shaft of the third electric cylinder passes through the side wall of the U-shaped feed box and the side wall of the second mixing box in sequence and extends into the interior of the second mixing box. A second push block is fixedly connected to the end of the output shaft of the third electric cylinder. The second push block is used to push the material on the bottom surface of the interior of the second mixing box through the connecting groove into the cavity on the first end opening side of the U-shaped feed box.

[0014] It is worth noting that the third electric cylinder drives the second pusher to actively push the premixed material in the second mixing tank to the connecting trough, so that the material enters the cavity of the U-shaped feed box. With the help of airflow, the problems of poor gravity discharge and material residue at the bottom of the box are solved.

[0015] Preferably, the first stirring mechanism includes a second motor, a rotating rod, and a plurality of stirring frames; the second motor is fixed to the upper end of the first stirring tank, and its output shaft extends vertically downward into the interior of the first stirring tank; the rotating rod is fixed to the lower end of the output shaft of the second motor, and the plurality of stirring frames are fixed to the outer peripheral wall of the rotating rod.

[0016] It is worth noting that the first stirring mechanism drives the rotating rod and stirring frame to rotate via the second motor, thereby performing secondary stirring on the material falling into the first stirring box. The frame structure of the stirring frame covers a large stirring area, which enables the material to be fully turned over and mixed in the box, improving the overall mixing uniformity.

[0017] Preferably, the pushing mechanism includes a first electric cylinder and a first pusher block; the first electric cylinder is fixed to the side wall of the first mixing tank, and its output shaft extends into the interior of the first mixing tank; the first pusher block is fixed to the end of the output shaft of the first electric cylinder and is used to push the mixed material along the inner bottom surface of the first mixing tank.

[0018] It is worth noting that after the material in the first mixing tank has completed secondary mixing, the pushing mechanism drives the first pusher block to move along the bottom of the tank through the first electric cylinder, pushing out the mixed material as a whole, thus realizing the automatic discharge of the material in the main mixing area.

[0019] Preferably, the auxiliary pushing mechanism includes a tank, a movable box, a second electric cylinder, a third push block, and two handles; the tank is opened through the side wall of the first mixing tank, and the movable box is slidably disposed in the tank; both handles are fixed to the side of the movable box away from the first mixing tank; the second electric cylinder is fixed to the side of the movable box away from the first mixing tank, and its output shaft extends through the movable box into the interior of the first mixing tank; the third push block is fixed to the end of the output shaft of the second electric cylinder and is disposed opposite to the first push block.

[0020] It is worth noting that the auxiliary pushing mechanism works in conjunction with the pushing mechanism. The third pusher is driven by the second electric cylinder and assists in pushing the material from the opposite side during the pushing process of the first pusher. The two-way collaboration concentrates the material towards the discharge side, further reducing material residue in the box.

[0021] Preferably, the air inlet hood, the air collecting hood, and the axial flow fan are coaxially arranged; the air collecting hood is a conical structure that is wider at the top and narrower at the bottom, with its lower opening fixedly connected to the air outlet of the axial flow fan, and its upper opening fixedly connected to the lower end of the air inlet hood.

[0022] It is worth noting that the air collection hood adopts a conical structure that is wider at the top and narrower at the bottom. This structure can expand the airflow from the outlet of the axial flow fan from the narrow cross section to the wide cross section and then evenly guide it into the air inlet hood, making the airflow distribution into the U-shaped feed box cavity more uniform and reducing local airflow turbulence.

[0023] Preferably, the guide plate is inclined, with its high end close to the first end opening of the U-shaped feed box and its low end facing the inner bottom surface of the first mixing box; the bottom wall of the second mixing box is inclined towards the connecting groove, and the connecting groove is opened in the bottom area of ​​the side wall of the second mixing box.

[0024] It is worth noting that the inclined design of the guide plate allows the material falling from the first opening of the U-shaped feed box to slide smoothly into the first mixing tank along the inclined surface, avoiding vertical drop of material that could cause dust or uneven accumulation. The bottom wall of the second mixing tank is inclined towards the connecting channel, and in conjunction with the pushing action of the third electric cylinder, the pre-mixed material slides smoothly into the connecting channel and into the cavity under the combined action of gravity and thrust, further improving material conveying efficiency and eliminating residue inside the tank.

[0025] Compared with the prior art, the beneficial effects of this utility model are as follows: 1. This utility model, through the cooperation of the U-shaped feeding box and the air supply mechanism, uses airflow to blow the material that enters the cavity through the connecting groove to the guide plate, realizing the efficient and smooth conveying of pre-mixed material to the main mixing area, and solving the problems of poor material discharge and blockage that exist in traditional devices that rely on gravity to discharge material. 2. This utility model connects the cavity of the U-shaped feed box with the interior of the second mixing box by setting a ventilation channel, so that the airflow generated by the air supply mechanism can enter the second mixing box to assist in the dispersion of the premixed materials, effectively preventing the materials from clumping together and entering the main mixing area, reducing the main mixing load and improving the overall mixing efficiency. 3. This utility model solves the problem of material residue caused by pushing material in one direction by setting up a mutually cooperating pushing mechanism and an auxiliary pushing mechanism. The first push block and the third push block work together from both sides to push out the mixed material, thereby improving the thoroughness of material discharge. Attached Figure Description

[0026] Figure 1 The diagram shown is a three-dimensional structural schematic of this utility model; Figure 2 The diagram shown is a three-dimensional structural schematic of the auxiliary propulsion mechanism of this utility model; Figure 3 The diagram shown is a three-dimensional structural schematic of the air supply mechanism of this utility model. Figure 4 The diagram shown is a three-dimensional cross-sectional view of the present invention. Figure 5The diagram shown is a three-dimensional structural schematic of the first stirring mechanism of this utility model; Figure 6 The diagram shown is a three-dimensional structural schematic of the third electric cylinder of this utility model.

[0027] Reference numerals: 1. First mixing tank; 2. U-shaped feed box; 3. First motor; 4. Second mixing tank; 5. Feed frame; 6. First electric cylinder; 7. Second motor; 8. Tank; 9. Movable box; 10. Second electric cylinder; 11. Handle; 12. Ventilation channel; 13. Axial flow fan; 14. Air collection hood; 15. Air inlet hood; 16. Through hole; 17. Fixing ring; 18. Mixing block; 19. Guide plate; 20. First push block; 21. Rotating rod; 22. Mixing frame; 23. Third electric cylinder; 24. Second push block; 25. Third push block; 26. Connecting trough. Detailed Implementation

[0028] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0029] To address the problems of poor conveying of premixed materials, easy agglomeration of materials, low mixing efficiency, and residue at the discharge point in existing technologies, the following technical solution is proposed. Please refer to [link / reference needed]. Figures 1-6 ; A device for uniformly mixing mixed materials includes a first mixing tank 1, a U-shaped feed box 2 fixed to the upper end of the first mixing tank 1, an air supply mechanism disposed at one end of the U-shaped feed box 2, a second mixing tank 4 fixed to the recess of the U-shaped feed box 2, a second mixing mechanism extending into the second mixing tank 4, a first mixing mechanism fixed to the upper end of the first mixing tank 1, a pushing mechanism fixed to the side wall of the first mixing tank 1, and an auxiliary pushing mechanism disposed on the side wall of the first mixing tank 1; the U-shaped feed box 2 has a hollow interior and two open ends, wherein the first end opening communicates with the interior of the first mixing tank 1, and the second end opening communicates with the air supply mechanism; the inner wall of the U-shaped feed box 2... A ventilation channel 12 is fixedly connected, which connects the cavity of the U-shaped feed box 2 to the interior of the second mixing box 4. A connecting groove 26 is provided through the side wall of the second mixing box 4, and the interior of the second mixing box 4 is connected to the cavity at the first end opening of the U-shaped feed box 2 through the connecting groove 26. A guide plate 19 is fixedly connected to the inner wall of the first mixing box 1, and the guide plate 19 is located directly below the first end opening of the U-shaped feed box 2. An air supply mechanism is used to deliver airflow into the cavity of the U-shaped feed box 2. The airflow can enter the second mixing box 4 through the ventilation channel 12 to disperse the material, and blow the material that enters the cavity through the connecting groove 26 to the guide plate 19, so that the material falls into the interior of the first mixing box 1.

[0030] In this embodiment, specifically, the air supply mechanism includes an air inlet hood 15 fixed to the lower end of the second end opening of the U-shaped feed box 2, an air collecting hood 14 fixed to the lower end of the air inlet hood 15, and an axial flow fan 13 fixed to the lower end of the air collecting hood 14, with the air outlet of the axial flow fan 13 facing upward.

[0031] In this embodiment, specifically, a feed frame 5 is fixedly connected to the upper end of the second mixing tank 4. The feed frame 5 is connected to the internal cavity of the second mixing tank 4 and is used to feed the materials to be mixed.

[0032] In this embodiment, specifically, the second stirring mechanism includes a first motor 3, a fixing ring 17, and a plurality of stirring blocks 18; the first motor 3 is fixed to the upper end of the U-shaped feed box 2, and the lower end of the U-shaped feed box 2 is provided with a through hole 16 coaxial with the output shaft of the first motor 3. The output shaft of the first motor 3 passes through the through hole 16 and the upper end of the second stirring box 4 and extends into the interior of the second stirring box 4; the fixing ring 17 is fixed to the outer peripheral wall of the output shaft of the first motor 3, and the plurality of stirring blocks 18 are fixed to the outer peripheral wall of the fixing ring 17.

[0033] In this embodiment, specifically, a third electric cylinder 23 is fixedly connected to the outer peripheral wall of the U-shaped feed box 2. The output shaft of the third electric cylinder 23 passes through the side wall of the U-shaped feed box 2 and the side wall of the second mixing box 4 in sequence and extends into the interior of the second mixing box 4. A second push block 24 is fixedly connected to the end of the output shaft of the third electric cylinder 23. The second push block 24 is used to push the material on the bottom surface of the interior of the second mixing box 4 through the connecting groove 26 into the cavity on the first end opening side of the U-shaped feed box 2.

[0034] In this embodiment, specifically, the first stirring mechanism includes a second motor 7, a rotating rod 21, and a plurality of stirring frames 22; the second motor 7 is fixed to the upper end of the first stirring tank 1, and its output shaft extends vertically downward into the interior of the first stirring tank 1; the rotating rod 21 is fixed to the lower end of the output shaft of the second motor 7, and the plurality of stirring frames 22 are fixed to the outer peripheral wall of the rotating rod 21.

[0035] In this embodiment, specifically, the pushing mechanism includes a first electric cylinder 6 and a first pusher block 20; the first electric cylinder 6 is fixed to the side wall of the first mixing tank 1, and its output shaft extends into the interior of the first mixing tank 1; the first pusher block 20 is fixed to the end of the output shaft of the first electric cylinder 6 and is used to push the mixed material along the inner bottom surface of the first mixing tank 1.

[0036] In this embodiment, specifically, the auxiliary pushing mechanism includes a trough 8, a movable box 9, a second electric cylinder 10, a third push block 25, and two handles 11; the trough 8 is opened through the side wall of the first mixing tank 1, and the movable box 9 is slidably disposed in the trough 8; both handles 11 are fixedly connected to the side of the movable box 9 away from the first mixing tank 1; the second electric cylinder 10 is fixedly connected to the side of the movable box 9 away from the first mixing tank 1, and its output shaft extends through the movable box 9 into the interior of the first mixing tank 1; the third push block 25 is fixedly connected to the end of the output shaft of the second electric cylinder 10 and is disposed opposite to the first push block 20.

[0037] In this embodiment, specifically, the air inlet hood 15, the air collection hood 14 and the axial flow fan 13 are coaxially arranged; the air collection hood 14 is a conical structure that is wider at the top and narrower at the bottom, with its lower opening fixedly connected to the air outlet of the axial flow fan 13, and its upper opening fixedly connected to the lower end of the air inlet hood 15.

[0038] In this embodiment, specifically, the guide plate 19 is inclined, with its high end close to the first end opening of the U-shaped feed box 2 and its low end facing the inner bottom surface of the first mixing box 1; the bottom wall of the second mixing box 4 is inclined to the side of the connecting groove 26, and the connecting groove 26 is opened in the bottom area of ​​the side wall of the second mixing box 4.

[0039] It should be noted that the installation height of the stirring frame 22 is above the movement trajectory of the first push block 20 and the third push block 25 to ensure that their movements do not interfere with each other.

[0040] Working principle: When in use, the materials or additives that need to be premixed are put into the second mixing tank 4 through the feed frame 5. The first motor 3 is started. The output shaft of the first motor 3 drives the mixing block 18 to rotate through the fixed ring 17, so as to premix the materials in the second mixing tank 4. At the same time, the axial flow fan 13 is started. The airflow enters the cavity of the U-shaped feed box 2 through the air collection hood 14 and the air inlet hood 15 in sequence. The airflow flows from the second end opening to the first end opening along the cavity. During this process, the branch airflow enters the interior of the second mixing tank 4 through the ventilation channel 12, which plays an auxiliary role in dispersing the materials being premixed and prevents the materials from clumping. After pre-mixing is completed, the third electric cylinder 23 is started, driving the second pusher 24 to push the material on the bottom surface of the second mixing box 4 through the connecting groove 26 to the first end opening cavity of the U-shaped feed box 2. The material entering the cavity is carried to the first end opening by the main airflow and slides into the first mixing box 1 under the guidance of the guide plate 19. Then the first mixing mechanism is started, and the second motor 7 drives the rotating rod 21 and the mixing frame 22 to rotate, so as to perform secondary and thorough mixing of the material falling into the first mixing box 1. After mixing is complete, first manually grasp the handle 11 to pull the movable box 9 out of the tank 8 and open the discharge port; then start the first electric cylinder 6 to drive the first push block 20 to push the material out of the first mixing box 1 through the tank 8 to complete the discharge.

[0041] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0042] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention.

Claims

1. A device for uniformly mixing materials, characterized in that, It includes a first mixing tank (1), a U-shaped feed box (2) fixed to the upper end of the first mixing tank (1), an air supply mechanism set at one end of the U-shaped feed box (2), a second mixing tank (4) fixed to the recess of the U-shaped feed box (2), a second mixing mechanism extending into the second mixing tank (4), a first mixing mechanism fixed to the upper end of the first mixing tank (1), a pushing mechanism fixed to the side wall of the first mixing tank (1), and an auxiliary pushing mechanism set on the side wall of the first mixing tank (1). The U-shaped feed box (2) has a cavity inside, and both ends are open. The first end is connected to the inside of the first mixing box (1), and the second end is connected to the air supply mechanism. The inner wall of the U-shaped feed box (2) is fixed with a ventilation channel (12), which connects the cavity of the U-shaped feed box (2) with the interior of the second mixing box (4); the side wall of the second mixing box (4) is provided with a connecting groove (26), and the interior of the second mixing box (4) is connected to the first end opening cavity of the U-shaped feed box (2) through the connecting groove (26); A guide plate (19) is fixed to the inner wall of the first mixing tank (1), and the guide plate (19) is located directly below the first end opening of the U-shaped feed box (2); The air supply mechanism is used to deliver airflow into the cavity of the U-shaped feed box (2). The airflow can enter the second mixing box (4) through the ventilation channel (12) to disperse the material, and blow the material that enters the cavity through the connecting groove (26) to the guide plate (19) so that the material falls into the first mixing box (1).

2. The uniform mixing device for mixed materials according to claim 1, characterized in that, The air supply mechanism includes an air inlet hood (15) fixed to the lower end of the second end opening of the U-shaped feed box (2), an air collection hood (14) fixed to the lower end of the air inlet hood (15), and an axial flow fan (13) fixed to the lower end of the air collection hood (14). The air outlet of the axial flow fan (13) is arranged facing upward.

3. The uniform mixing device for mixed materials according to claim 1, characterized in that, The upper end of the second mixing tank (4) is fixedly connected to a feed frame (5), which is connected to the internal cavity of the second mixing tank (4) and is used to feed the materials to be mixed.

4. The uniform mixing device for mixed materials according to claim 1, characterized in that, The second stirring mechanism includes a first motor (3), a fixed ring (17), and multiple stirring blocks (18); The first motor (3) is fixed to the upper end of the U-shaped feed box (2). The lower end of the U-shaped feed box (2) is provided with a through hole (16) coaxial with the output shaft of the first motor (3). The output shaft of the first motor (3) passes through the through hole (16) and the upper end of the second mixing box (4) and extends into the interior of the second mixing box (4). The fixed ring (17) is fixed to the outer peripheral wall of the output shaft of the first motor (3), and the plurality of stirring blocks (18) are fixed to the outer peripheral wall of the fixed ring (17).

5. The uniform mixing device for the mixture according to claim 4, characterized in that, A third electric cylinder (23) is fixed to the outer peripheral wall of the U-shaped feed box (2). The output shaft of the third electric cylinder (23) passes through the side wall of the U-shaped feed box (2) and the side wall of the second mixing box (4) and extends into the interior of the second mixing box (4). A second push block (24) is fixed to the end of the output shaft of the third electric cylinder (23). The second push block (24) is used to push the material on the bottom surface of the interior of the second mixing box (4) through the connecting groove (26) into the cavity on the first end opening side of the U-shaped feed box (2).

6. The uniform mixing device for mixed materials according to claim 1, characterized in that, The first stirring mechanism includes a second motor (7), a rotating rod (21), and multiple stirring frames (22); The second motor (7) is fixed to the upper end of the first mixing tank (1), and its output shaft extends vertically downward into the interior of the first mixing tank (1); The rotating rod (21) is fixed to the lower end of the output shaft of the second motor (7), and the plurality of stirring frames (22) are fixed to the outer peripheral wall of the rotating rod (21).

7. The uniform mixing device for mixed materials according to claim 1, characterized in that, The pushing mechanism includes a first electric cylinder (6) and a first pusher (20); The first electric cylinder (6) is fixed to the side wall of the first mixing tank (1), and its output shaft extends into the interior of the first mixing tank (1); The first pusher (20) is fixed to the end of the output shaft of the first electric cylinder (6) and is used to push the mixed material along the inner bottom surface of the first mixing tank (1).

8. The uniform mixing device for mixed materials according to claim 7, characterized in that, The auxiliary pushing mechanism includes a trough (8), a movable box (9), a second electric cylinder (10), a third push block (25), and two handles (11); The tank (8) is opened through the side wall of the first mixing tank (1), and the movable box (9) is slidably disposed in the tank (8); Both handles (11) are fixed to the side of the movable box (9) away from the first mixing box (1); the second electric cylinder (10) is fixed to the side of the movable box (9) away from the first mixing box (1), and its output shaft extends through the movable box (9) into the interior of the first mixing box (1). The third push block (25) is fixed to the end of the output shaft of the second electric cylinder (10) and is arranged opposite to the first push block (20).

9. The uniform mixing device for mixed materials according to claim 2, characterized in that, The air intake hood (15), the air collection hood (14) and the axial flow fan (13) are coaxially arranged; the air collection hood (14) is a conical structure that is wider at the top and narrower at the bottom, with its lower opening fixedly connected to the air outlet of the axial flow fan (13), and its upper opening fixedly connected to the lower end of the air intake hood (15).

10. The uniform mixing device for mixed materials according to claim 1, characterized in that, The guide plate (19) is inclined, with its high end close to the first end opening of the U-shaped feed box (2) and its low end facing the inner bottom surface of the first mixing box (1); the bottom wall of the second mixing box (4) is inclined to the side of the connecting groove (26), and the connecting groove (26) is opened in the bottom area of ​​the side wall of the second mixing box (4).

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