Double-shaft stirring and mixing equipment

Abstract

The utility model provides double-shaft stirring and mixing equipment, which relates to the technical field of mixing equipment and comprises a mixing tank, a circular window, a circular plate, a first pneumatic stirring piece, a second pneumatic stirring piece, a rotary driving mechanism and a pressure release valve, a rotary driving mechanism is adopted to drive an upper circular plate, a lower circular plate, a first pneumatic stirring piece and a second pneumatic stirring piece to rotate in a mixing tank as a whole, meanwhile, the first pneumatic stirring piece and the second pneumatic stirring piece are driven by gas to rotate, and liquid in the mixing tank is driven to rotate as a whole; local liquid in the mixing tank is driven to rotate within a small range, so that the liquid in the mixing tank is interactively mixed more quickly, and the stirring efficiency is further improved.

Description

Technical Field

[0001] This utility model relates to the field of mixing equipment technology, and in particular to a dual-shaft stirring and mixing equipment. Background Technology

[0002] The descriptions in this section provide background information relating to this disclosure and do not constitute prior art.

[0003] When mixing liquids, mixing equipment is needed. Mixing equipment usually uses a motor to drive a single rotating shaft to rotate the stirring blades on it to achieve a simple mixing effect. The existing solution is to design a dual-shaft mixing equipment with two rotating shafts, each equipped with stirring blades, to improve mixing efficiency.

[0004] Typical twin-shaft mixing equipment is divided into two types: one type drives two rotating shafts to rotate the mixing blades on them separately; the other type drives the two rotating shafts and the mixing blades on them as a whole to rotate. Both methods can improve mixing efficiency, but the existing technology lacks a mixing and mixing equipment that combines the above two methods to achieve a stronger mixing effect. Utility Model Content

[0005] The purpose of this invention is to provide a dual-shaft mixing device that, while driving the liquid inside the mixing tank to rotate as a whole, also drives the liquid inside to rotate within a small range, thereby achieving a stronger mixing effect.

[0006] This utility model provides a dual-shaft stirring and mixing device, comprising:

[0007] The mixing tank has circular windows in the middle of both its upper and lower surfaces, and a circular plate is rotatably mounted inside the circular window.

[0008] The first pneumatic agitator and the second pneumatic agitator are respectively longitudinally rotatably assembled on the left and right sides between the upper and lower circular plates.

[0009] A rotary drive mechanism is fixedly mounted on the upper end of the mixing tank;

[0010] The lower end of the rotary drive mechanism passes through the upper circular plate and is fixedly connected to the upper ends of the first pneumatic agitator and the second pneumatic agitator, respectively.

[0011] A pressure relief valve is fixedly connected to the top surface of the mixing tank.

[0012] As a further optimization, in order to achieve the rotation of the first cavity cylinder and the first cavity plate through gas drive and to stir the liquid in the mixing tank, the first pneumatic agitator includes:

[0013] The first hollow cylinder has a first liquid inlet pipe fixedly connected to the middle of its bottom surface, and the lower end of the first liquid inlet pipe is rotatably connected to the upper surface of the lower circular plate.

[0014] A first air pump is fixedly mounted on the bottom surface of the lower circular plate, corresponding to the first cavity cylinder, and its output end passes through the lower circular plate and is fixedly connected to the first liquid inlet pipe.

[0015] The outer wall of the first cavity cylinder is uniformly and fixedly connected to a first cavity plate, and the clockwise side of the first cavity cylinder is uniformly and fixedly connected to a first nozzle.

[0016] As a further optimization, in order to ensure the stirring effect of the first pneumatic agitator when it rotates by the uniformly distributed first cavity plate, and at the same time enhance the stirring efficiency of the first and second pneumatic agitators when they rotate as a whole, the first cavity plate is divided into four groups of circumferentially fixed and connected to the outer wall of the first cavity cylinder.

[0017] Each group has seven first cavity plates evenly distributed longitudinally.

[0018] As a further optimization, in order to achieve the rotation of the second cavity cylinder and the second cavity plate through gas drive and to stir the liquid in the mixing tank, the second pneumatic agitator includes:

[0019] The second hollow cylinder has a second liquid inlet pipe fixedly connected to the middle of its bottom surface, and the lower end of the second liquid inlet pipe is rotatably connected to the upper surface of the lower circular plate.

[0020] A second air pump is fixedly mounted on the bottom surface of the lower circular plate, corresponding to the second cavity cylinder, and its output end passes through the lower circular plate and is fixedly connected to the second liquid inlet pipe.

[0021] The outer wall of the second cavity cylinder is uniformly and fixedly connected to a second cavity plate, and the counterclockwise side of the plate is uniformly and fixedly connected to a second nozzle.

[0022] As a further optimization, in order to ensure the stirring effect of the second pneumatic agitator when it rotates by the uniformly distributed second cavity plate, and at the same time enhance the stirring efficiency of the first and second pneumatic agitators when they rotate as a whole, the second cavity plate is divided into four groups of circumferentially fixed and connected to the outer wall of the second cavity cylinder.

[0023] Each group has six second cavity plates evenly distributed longitudinally.

[0024] As a further optimization, in order to drive the upper and lower circular plates and the first and second pneumatic agitators as a whole to rotate inside the mixing tank and stir the liquid inside the mixing tank, the rotary drive mechanism includes:

[0025] An arched support has a drive motor fixedly mounted in the middle of its top surface, and the output end of the drive motor passes through the top surface of the arched support.

[0026] The output end of the drive motor is fixedly fitted with a crossbar, and uprights are symmetrically fixedly connected to the left and right sides of its bottom surface.

[0027] The lower ends of the uprights on both sides pass through the upper circular plate and are rotatably connected to the middle of the top surface of the first and second pneumatic agitators, respectively.

[0028] As a further optimization, in order to serve as a mixing container for feeding and discharging, suitable for mixing liquid materials, the mixing tank includes:

[0029] The tank has a circular body with a valved discharge pipe fixedly connected to the center of its bottom surface.

[0030] A valved feed pipe is fixedly connected to the upper end of the side wall of the circular tank.

[0031] The upper and lower circular plates are rotatably assembled into the circular window on the same side of the outer wall of the circular tank.

[0032] As a further optimization, in order to provide stable support for the device, support seats are symmetrically fixedly installed on the left and right sides of the lower end of the outer wall of the circular tank.

[0033] As a further optimization, in order to provide stable support for the device and allow the support plate to be removed for maintenance and replacement when necessary, the support base includes:

[0034] The support plate has connecting ear plates evenly fixedly mounted on its outer wall upper edge;

[0035] The lower edge of the outer wall of the circular can body is provided with a connecting groove corresponding to the connecting lug plate, and the connecting lug plate is inserted into the corresponding connecting groove.

[0036] A fixing bolt passes through the outer wall of the connecting ear plate, and its end is screwed to the bottom surface of the corresponding connecting groove.

[0037] As a further optimization, in order to facilitate fixing the device to the ground or table, a horizontal plate is integrally formed on the lower edge of the outer side of the support plate, and mounting through holes are evenly opened on it.

[0038] This utility model provides an improved twin-shaft mixing device, which has the following improvements and advantages compared with the prior art:

[0039] A rotary drive mechanism is used to drive the upper and lower circular plates, the first pneumatic agitator, and the second pneumatic agitator to rotate together as a whole inside the mixing tank. At the same time, the first and second pneumatic agitators are driven by gas to rotate on their own. While driving the liquid inside the mixing tank to rotate as a whole, it also drives the local liquid inside to rotate within a small range, making the interaction and mixing of the liquid inside the mixing tank faster and further improving the stirring efficiency. Attached Figure Description

[0040] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0041] Figure 1 This is a schematic diagram of the structure of this utility model;

[0042] Figure 2 This is a schematic cross-sectional view of the mixing tank and rotary drive mechanism of this utility model;

[0043] Figure 3 This is a schematic diagram of the structure of the first pneumatic stirring component of this utility model;

[0044] Figure 4 This is a schematic diagram of the structure of the second pneumatic agitator of this utility model;

[0045] Figure 5 This is a partial structural diagram of the support base of this utility model.

[0046] Explanation of reference numerals in the attached figures:

[0047] 1-Mixing tank, 11-Circular tank body, 12-Discharge pipe with valve, 13-Inlet pipe with valve, 14-Cover plate, 2-Rotary drive mechanism, 21-Arch-shaped bracket, 22-Drive motor, 23-Horizontal bar, 24-Upright bar, 3-Support base, 31-Support plate, 32-Horizontal plate, 33-Mounting through hole, 34-Connecting ear plate, 35-Fixing bolt, 36-Connecting groove, 4-First pneumatic agitator, 41-First hollow cylinder, 42-First hollow plate, 43-First liquid inlet pipe, 44-First nozzle, 45-First air pump, 5-Second pneumatic agitator, 51-Second hollow cylinder, 52-Second hollow plate, 53-Second liquid inlet pipe, 54-Second nozzle, 55-Second air pump, 6-Circular plate, 7-Pressure relief valve. Detailed Implementation

[0048] The technical solution of this utility model will be clearly and completely described below with reference to the embodiments. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0049] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0050] In the description of this utility model, it should be understood that the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the stated features. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified. Furthermore, the terms "installed," "connected," and "linked" should be interpreted broadly; for example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0051] Please see Figure 1-5 This utility model provides a technical solution: a dual-shaft stirring and mixing device, comprising:

[0052] The mixing tank 1 has a circular window in the middle of both its upper and lower surfaces, and a circular plate 6 is rotatably mounted inside the circular window;

[0053] The first pneumatic agitator 4 and the second pneumatic agitator 5 are respectively mounted longitudinally on the left and right sides between the upper and lower circular plates 6.

[0054] Rotary drive mechanism 2 is fixedly mounted on the upper end of mixing tank 1;

[0055] The lower end of the rotary drive mechanism 2 passes through the upper circular plate 6 and is fixedly connected to the upper ends of the first pneumatic agitator 4 and the second pneumatic agitator 5 respectively.

[0056] A pressure relief valve 7 is fixedly connected to the top surface of the mixing tank 1.

[0057] Specifically in this embodiment, when the upper and lower circular plates 6 and the first pneumatic agitator 4 and the second pneumatic agitator 5 rotate as a whole, they stir the liquid inside the mixing tank 1. At the same time, the first pneumatic agitator 4 and the second pneumatic agitator 5 can both rotate on their own axis while rotating as a whole, driven by gas, forming small vortices in the rotating liquid, which plays a better role in turbulence and mixing.

[0058] Furthermore, the rotary drive mechanism 2 is connected to an external power source and operates as a drive component for the overall rotation of the upper and lower circular plates 6, the first pneumatic agitator 4, and the second pneumatic agitator 5.

[0059] More specifically, the pressure relief valve 7 is used to release the pressure caused by excessive gas entering the mixing tank 1, thereby achieving the pressure relief function;

[0060] Understandably, in order to save installation space, shorten the distance between the small vortices on both sides, and increase the intensity of their interaction, the mixing blades of the first pneumatic agitator 4 and the second pneumatic agitator 5 are staggered at their outer ends when rotating.

[0061] In some embodiments, the first pneumatic agitator 4 includes:

[0062] The first hollow cylinder 41 has a first liquid inlet pipe 43 fixedly connected to the middle of its bottom surface, and the lower end of the first liquid inlet pipe 43 is rotatably connected to the upper surface of the lower circular plate 6.

[0063] A first air pump 45 is fixedly mounted on the bottom surface of the lower circular plate 6, corresponding to the first cavity cylinder 41. Its output end passes through the lower circular plate 6 and is fixedly connected to the first liquid inlet pipe 43.

[0064] The outer wall of the first cavity cylinder 41 is uniformly and fixedly connected to the first cavity plate 42, and the clockwise side of the plate is uniformly and fixedly connected to the first nozzle 44.

[0065] Specifically in this embodiment, the first air pump 45 is connected to an external power source and operates to introduce external air from the first liquid inlet pipe 43 into the first cavity cylinder 41, and finally spray it into the liquid in the mixing tank 1 from the first nozzle 44 on the first cavity plate 42, generating a reverse thrust. Since the first nozzles 44 are all distributed on the clockwise side of the first cavity plate 42, the first cavity cylinder 41 and the first cavity plate 42 on it rotate counterclockwise under the reverse push.

[0066] Furthermore, the air ejected from the first nozzle 44 generates a large number of bubbles in the liquid in the mixing tank 1, achieving an aeration effect and enhancing the turbulence and mixing effect of the liquid. The gas pressure generated is discharged in time through the pressure relief valve 7.

[0067] In some embodiments, the first cavity plate 42 is divided into four groups of circumferentially fixed and connected to the outer wall of the first cavity cylinder 41;

[0068] Each group of first cavity plates 42 has seven evenly distributed longitudinally. The evenly distributed first cavity plates 42 ensure the stirring effect when the first pneumatic agitator 4 rotates, and at the same time enhance the stirring efficiency when the first pneumatic agitator 4 and the second pneumatic agitator 5 rotate as a whole.

[0069] In some embodiments, the second pneumatic agitator 5 includes:

[0070] The second cavity cylinder 51 has a second liquid inlet pipe 53 fixedly connected to the middle of its bottom surface, and the lower end of the second liquid inlet pipe 53 is rotatably connected to the upper surface of the lower circular plate 6.

[0071] A second air pump 55 is fixedly mounted on the bottom surface of the lower circular plate 6, corresponding to the second cavity cylinder 51. Its output end passes through the lower circular plate 6 and is fixedly connected to the second liquid inlet pipe 53.

[0072] The outer wall of the second cavity cylinder 51 is uniformly and fixedly connected to the second cavity plate 52, and the counterclockwise side of the plate is uniformly and fixedly connected to the second nozzle 54.

[0073] Specifically in this embodiment, the second air pump 55 is connected to an external power source and operates to introduce external air from the second liquid inlet pipe 53 into the second cavity cylinder 51, and finally spray it into the liquid in the mixing tank 1 from the second nozzle 54 on the second cavity plate 52, generating a reverse thrust. Because the second nozzles 54 are all distributed on the counterclockwise side of the second cavity plate 52, the second cavity cylinder 51 and the second cavity plate 52 on it rotate clockwise under the reverse push.

[0074] Furthermore, the air ejected from the second nozzle 54 generates a large number of bubbles in the liquid in the mixing tank 1, achieving an aeration effect and enhancing the turbulence and mixing effect of the liquid. The gas pressure generated is discharged in time through the pressure relief valve 7.

[0075] In some embodiments, the second cavity plate 52 is divided into four groups of circumferentially fixed and connected to the outer wall of the second cavity cylinder 51;

[0076] There are six of the second cavity plates 52 evenly distributed longitudinally in each group.

[0077] Specifically, in this embodiment, the uniformly distributed second cavity plate 52 ensures the stirring effect when the second pneumatic stirrer 5 rotates, while enhancing the stirring efficiency when the first pneumatic stirrer 4 and the second pneumatic stirrer 5 rotate as a whole.

[0078] It is understandable that there are six second cavity plates 52 in each group and seven first cavity plates 42 in each group, which facilitates the staggered position of the outer ends of the second cavity plates 52 and the first cavity plates 42 when they rotate. The staggered second cavity plates 52 and the outer walls of the first cavity plates 42 slide and fit together or have gaps.

[0079] In some embodiments, the rotary drive mechanism 2 includes:

[0080] An arched bracket 21 has a drive motor 22 fixedly mounted in the middle of its top surface, and the output end of the drive motor 22 passes through the top surface of the arched bracket 21.

[0081] A crossbar 23 is fixedly mounted on the output end of the drive motor 22, and uprights 24 are symmetrically fixedly connected to the left and right sides of its bottom surface.

[0082] The lower ends of the two uprights 24 pass through the upper circular plate 6 and are rotatably connected to the middle of the top surface of the first pneumatic agitator 4 and the second pneumatic agitator 5, respectively.

[0083] Specifically in this embodiment, the drive motor 22 is connected to an external power source to drive the crossbar 23 and the upright 24 to rotate, and the uprights 24 on both sides drive the upper and lower circular plates 6, the first pneumatic agitator 4 and the second pneumatic agitator 5 to rotate as a whole.

[0084] Furthermore, a bearing is provided at the rotatable connection between the lower end of the upright 24 and the top center of the first pneumatic agitator 4 and the second pneumatic agitator 5 to improve the smoothness of rotation;

[0085] Understandably, the upright 24 has a sealing ring at the point where it passes through the upper circular plate 6. The sealing ring is located inside the through hole to improve the airtightness of the connection.

[0086] In some embodiments, mixing tank 1 includes:

[0087] A circular tank body 11 has a valved discharge pipe 12 fixedly connected to the center of its bottom surface;

[0088] A feed pipe 13 with a valve is fixedly connected to the upper end of the side wall of the circular tank body 11;

[0089] The upper and lower circular plates 6 are rotatably assembled into the circular window on the same side of the outer wall of the circular tank body 11.

[0090] Specifically, in this embodiment, the valved discharge pipe 12 is used for feeding the circular tank body 11, and the valved feed pipe 13 is used for discharging the circular tank body 11.

[0091] Understandably, the inner wall of the round can 11 is smooth and has an anti-corrosion coating, which improves its applicability.

[0092] In some embodiments, support seats 3 are symmetrically fixedly mounted on the left and right sides of the lower end of the outer wall of the circular tank body 11 to provide stable support for the device.

[0093] In some embodiments, the support base 3 includes:

[0094] The support plate 31 has connecting ear plates 34 evenly fixedly mounted on its outer wall upper edge;

[0095] A connecting groove 36 is provided on the lower edge of the outer wall of the circular can body 11 corresponding to the connecting ear plate 34, and the connecting ear plate 34 is inserted into the corresponding connecting groove 36;

[0096] A fixing bolt 35 passes through the outer wall of the connecting ear plate 34, and its end is screwed to the bottom surface of the corresponding connecting groove 36.

[0097] Specifically, in this embodiment, the support plate 31 is an arc plate, which allows the connecting ear plate 34, whose edge is fixed, to be better inserted into the corresponding connecting groove 36 opened on the lower edge of the outer wall of the circular tank body 11. The connecting ear plate 34 and the corresponding connecting groove 36 are connected and fixed by the fixing bolt 35, which facilitates disassembly.

[0098] More specifically, connecting lugs 34 are provided at the front, back and middle of the upper end of the support plate 31, and the number of connecting grooves 36 is set according to the number of connecting lugs 34 to ensure connection strength.

[0099] In some embodiments, a horizontal plate 32 is integrally formed at the lower edge of the outer side of the support plate 31, and mounting through holes 33 are evenly provided on it. The horizontal plate 32 increases the contact area between the lower end of the support plate 31 and the ground or tabletop, improving the stability of the placement. When needed, expansion bolts are inserted into the mounting through holes 33 to fix it to the concrete ground, or it is fixed to the reserved screw holes on the tabletop by bolts; pins are inserted into the mounting through holes 33 to fix it to the ground or tabletop, improving the installation stability of the device.

[0100] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features therein. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this utility model.

Claims

1. A twin-shaft mixing device, characterized in that, include: The mixing tank (1) has a circular window in the middle of both its upper and lower surfaces, and a circular plate (6) is rotatably mounted inside the circular window; The first pneumatic agitator (4) and the second pneumatic agitator (5) are respectively mounted longitudinally on the left and right sides between the upper and lower circular plates (6); A rotary drive mechanism (2) is fixedly mounted on the upper end of the mixing tank (1); The lower end of the rotary drive mechanism (2) passes through the upper circular plate (6) and is fixedly connected to the upper ends of the first pneumatic agitator (4) and the second pneumatic agitator (5); The top surface of the mixing tank (1) is fixedly connected to a pressure relief valve (7).

2. The twin-shaft mixing device according to claim 1, characterized in that, The first pneumatic agitator (4) includes: The first hollow cylinder (41) has a first liquid inlet pipe (43) fixedly connected to the middle of its bottom surface, and the lower end of the first liquid inlet pipe (43) is rotatably connected to the upper surface of the lower circular plate (6). The bottom surface of the lower circular plate (6) is fixedly equipped with a first air pump (45) corresponding to the first cavity cylinder (41), and its output end passes through the lower circular plate (6) and is fixedly connected to the first liquid inlet pipe (43); The outer wall of the first cavity cylinder (41) is uniformly and fixedly connected to the first cavity plate (42), and the clockwise side of the plate is uniformly and fixedly connected to the first nozzle (44).

3. The twin-shaft mixing device according to claim 2, characterized in that, The first cavity plate (42) is divided into four groups of circumferentially fixed and connected to the outer wall of the first cavity cylinder (41); There are seven of the first cavity plates (42) in each group, evenly distributed longitudinally.

4. The twin-shaft mixing device according to claim 1, characterized in that, The second pneumatic agitator (5) includes: The second cavity cylinder (51) has a second liquid inlet pipe (53) fixedly connected to the middle of its bottom surface, and the lower end of the second liquid inlet pipe (53) is rotatably connected to the upper surface of the lower circular plate (6). The bottom surface of the lower circular plate (6) is fixedly equipped with a second air pump (55) corresponding to the second cavity cylinder (51), and its output end passes through the lower circular plate (6) and is fixedly connected to the second liquid inlet pipe (53); The outer wall of the second cavity cylinder (51) is uniformly and fixedly connected to the second cavity plate (52), and the counterclockwise side of the plate is uniformly and fixedly connected to the second nozzle (54).

5. A twin-shaft mixing device according to claim 4, characterized in that, The second cavity plate (52) is divided into four groups of circumferentially fixed and connected to the outer wall of the second cavity cylinder (51); Each group of the second cavity plate (52) has six evenly distributed longitudinally.

6. A twin-shaft mixing device according to claim 1, characterized in that, The rotary drive mechanism (2) includes: An arched bracket (21) has a drive motor (22) fixedly mounted in the middle of its top surface, and the output end of the drive motor (22) passes through the top surface of the arched bracket (21). The output end of the drive motor (22) is fixedly equipped with a crossbar (23), and uprights (24) are symmetrically fixedly connected to the left and right sides of its bottom surface; The lower ends of the uprights (24) on both sides pass through the upper circular plate (6) and are rotatably connected to the middle of the top surface of the first pneumatic agitator (4) and the second pneumatic agitator (5).

7. A twin-shaft mixing device according to claim 1, characterized in that, The mixing tank (1) includes: A circular tank body (11) has a valved discharge pipe (12) fixedly connected to the middle of its bottom surface; The upper end of the side wall of the circular tank body (11) is fixedly connected to a feed pipe (13) with a valve; The upper and lower circular plates (6) are rotatably assembled into the circular window on the same side of the outer wall of the circular tank body (11).

8. A twin-shaft mixing device according to claim 7, characterized in that, The circular tank body (11) has support seats (3) symmetrically fixedly mounted on the left and right sides of the lower end of the outer wall.

9. A twin-shaft mixing device according to claim 8, characterized in that, The support base (3) includes: The support plate (31) has connecting ear plates (34) evenly fixedly mounted on its outer wall upper edge; The lower edge of the outer wall of the circular can body (11) is provided with a connecting groove (36) corresponding to the connecting ear plate (34), and the connecting ear plate (34) is inserted into the corresponding connecting groove (36); A fixing bolt (35) runs through the outer wall of the connecting ear plate (34), and its end is screwed to the bottom surface of the corresponding connecting groove (36).

10. A twin-shaft mixing device according to claim 9, characterized in that, The support plate (31) has a horizontal plate (32) integrally formed at the lower edge of its outer side, and mounting through holes (33) are evenly provided on it.

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