A powder multi-stage mixing mechanism

Abstract

The utility model provides a powder multi-stage mixing mechanism, which belongs to the technical field of powder processing; it comprises: a tank body, a screening mechanism is arranged on the top of the tank body, the screening mechanism is used to filter and screen the powder, a mixing mechanism is arranged inside the tank body, the mixing mechanism is used to mix and stir the powder; the screening mechanism comprises a driving pipe rotatably arranged on the top wall of the tank body. The utility model is provided with a screening mechanism inside the tank body, and before mixing and stirring the powder, the powder can be screened and filtered by a rotating screening mesh cover, and when the screening mesh cover rotates, the movable ball block can be driven to contact the arc top block, and the screening mesh cover can be lifted up by the arc top block, and the screening mesh cover can be made to oscillate up and down under the action of the reset spring, so that the powder can be vibrated and screened, and the screen can be prevented from being blocked. After screening, the powder can be made more refined, which is beneficial to improving the quality of subsequent powder mixing.

Description

Technical Field

[0001] The utility model relates to the technical field of powder processing, in particular to a powder multi-stage mixing mechanism. Background Art

[0002] In the process of chemical production, it is often necessary to mix the raw materials, but the existing chemical powder mixing equipment usually simply stirs the raw materials in the mixing bin, which makes it difficult to fully mix them. For example, announcement number CN210332419U discloses a chemical powder mixing equipment, including a base, a mixing bin is arranged above the base, a U-shaped frame is arranged above the base, and the mixing bin is located on the inner side of the U-shaped frame, a first pneumatic cylinder is installed at the top of the inner side of the U-shaped frame, and a mounting box is arranged at the output end of the first pneumatic cylinder, and a motor is installed inside the mounting box, and a rotating shaft that passes through the top of the mixing bin and extends to the inside of the mixing bin is arranged at the output end of the motor, and a rubber ball is fixed to the end of the rotating shaft. The utility model drives the rotating shaft to move up and down by the first pneumatic cylinder, so that the stirring blades can change in the vertical direction while stirring inside the mixing bin, so that the raw materials inside the mixing bin are fully mixed.

[0003] The powder mixing device proposed in the above patent document can only stir the powder entering the device when it is actually used, but cannot screen and remove impurities in the powder, nor can it dry and dehumidify the powder, which reduces the quality of the mixed powder. Therefore, the present application provides a powder multi-stage mixing mechanism to meet the needs. Utility Model Content

[0004] The technical problem to be solved by the utility model is to provide a powder multi-stage mixing mechanism to solve the problem that the existing mixing equipment cannot screen powder materials and dry and dehumidify.

[0005] In order to solve the above technical problems, the utility model provides the following technical solutions: a powder multi-stage mixing mechanism, comprising: a tank body, a screening mechanism is arranged on the top of the tank body, the screening mechanism is used to filter and screen the powder, and a mixing mechanism is arranged inside the tank body, the mixing mechanism is used to mix and stir the powder;

[0006] The screening mechanism comprises a driving tube rotatably arranged on the top wall of the tank body, the bottom end of the driving tube is fixedly connected with a linkage plate, the upper surface of the linkage plate is fixedly connected with two linkage rods, the surfaces of the two linkage rods are longitudinally slidably sleeved with screening mesh covers, the inner wall of the tank body is fixedly connected with an annular material guide shell, the material guide shell is located below the screening mesh cover, and the top of the material guide shell is located inside the screening mesh cover, the surface of the tank body is provided with two symmetrically positioned arc-shaped screening holes, the positions of the arc-shaped screening holes correspond to the material guide shell, and the material guide shell is used to guide the screened powder to the arc-shaped screening holes;

[0007] The surface of the guide shell is fixedly connected with an arc-shaped top block, and the inner surface of the screening screen is fixedly connected with a movable ball block, the position of the movable ball block corresponds to the arc-shaped top block, and the arc-shaped top block is used to push the movable ball block to move upward;

[0008] A screening box is fixedly connected to the outside of the tank body, and the position of the screening box corresponds to the arc-shaped screening hole.

[0009] The mixing mechanism comprises a stirring motor installed at the bottom of the tank body, the output shaft of the stirring motor extends to the inside of the tank body, and a stirring rod is fixedly installed thereon, and a plurality of stirring plates are fixed on the surface of the stirring rod.

[0010] The surface of the linkage rod is sleeved with a reset spring, the top end of the reset spring is fixedly connected to the surface of the linkage rod, and the bottom end of the reset spring is fixedly connected to the top of the screening mesh cover, and the reset spring is used to movably reset the screening mesh cover.

[0011] The top of the screening mesh cover is provided with two guide through holes which match the linkage rod, and the screening mesh cover moves up and down on the surface of the linkage rod through the guide through holes.

[0012] A drive box is fixedly arranged on the upper surface of the tank body, a drive motor is fixedly connected to the inner wall of the drive box, the top end of the drive tube extends to the inside of the drive box, synchronous wheels are arranged on the surfaces of the drive motor and the drive tube, and a synchronous belt is arranged between the two synchronous wheels.

[0013] The inner wall of the driving box is fixedly connected with a fan and a heating box, the output end of the fan extends to the interior of the heating box, the inner wall of the heating box is installed with an electric heating net, and an air duct is fixedly embedded on the surface of the heating box, and one end of the air duct away from the heating box is rotatably connected to the top end of the driving tube.

[0014] The fan conveys hot air to the inside of the driving tube through the heating box and the air guide pipe. A drying tube is fixedly embedded at the bottom end of the driving tube. A plurality of air guide covers are embedded on the surface of the drying tube. The air guide covers are used to convey hot air to the inside of the screening mesh cover.

[0015] Two feed pipes are fixedly embedded on the upper surface of the tank body, and the bottom outlets of the feed pipes correspond to the positions of the screening mesh covers.

[0016] Two discharge pipes are arranged at the bottom of the tank body, and switch valves are arranged on the surfaces of the discharge pipes.

[0017] The top of the screening box is a material taking opening, and a cover plate is placed on the surface of the screening box, and the cover plate is used to cover the material taking opening.

[0018] Compared with the prior art, the utility model has at least the following beneficial effects:

[0019] In the above scheme, by arranging a screening mechanism inside the tank body, the powder can be screened and filtered by the rotating screening mesh before mixing and stirring the powder, and when the screening mesh rotates, the movable ball block can be driven to contact the arc-shaped top block, and the screening mesh can be lifted up by the arc-shaped top block, and the screening mesh can be made to oscillate up and down under the action of the reset spring, so that the powder can be vibrated and screened, and the clogging of the screen can be avoided. After screening, the powder can be made finer, which is beneficial to improving the quality of subsequent powder mixing.

[0020] In the above scheme, by arranging a drying tube inside the screening mesh cover, during the vibration screening process of the powder, the fan can be used to transport the hot air in the heating box to the inside of the drying tube through the air duct, and then the powder is heated and dried through several air ducts on the surface of the drying tube. The hot air can be used to dry the screened powder, making the drying more uniform and achieving the effect of drying and dehumidifying the powder. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The accompanying drawings, which are incorporated herein and constitute a part of the specification, illustrate embodiments of the present disclosure and, together with the description, further serve to explain the principles of the present disclosure and to enable those skilled in the relevant art to make and use the present disclosure.

[0022] Figure 1 This is a schematic diagram of the external structure of the tank body of the utility model;

[0023] Figure 2 This is a schematic diagram of the first-view structure of the interior of the tank of the utility model;

[0024] Figure 3 This is a schematic diagram of the structure of the interior of the tank body of the utility model from a second viewing angle;

[0025] Figure 4 It is a schematic diagram of a partial front section structure of a tank body of the utility model;

[0026] Figure 6 for Figure 4 The enlarged structural diagram at A in the middle;

[0027] Figure 5 It is a schematic diagram of the side section structure of the drive box of the utility model;

[0028] Figure 7 This is a schematic diagram of the drying tube structure of the utility model.

[0029] [Reference Signs]

[0030] 1. Tank body; 2. Screening mechanism; 3. Mixing mechanism; 4. Feed pipe; 5. Discharge pipe; 6. Drive box; 7. Drive motor; 8. Synchronous wheel; 9. Synchronous belt; 10. Fan; 11. Heating box; 12. Air duct; 13. Drying pipe; 14. Air duct; 15. Electric heating net;

[0031] 201, driving tube; 202, linkage plate; 203, linkage rod; 204, screening screen; 205, guide shell; 206, arc screening hole; 207, return spring; 208, arc top block; 209, movable ball block; 210, screening box;

[0032] 301. stirring motor; 302. stirring plate.

[0033] As shown in the figure, in order to clearly implement the structure of the embodiment of the utility model, specific structures and devices are marked in the figure, but this is only for illustrative purposes and is not intended to limit the utility model to the specific structure, device and environment. According to specific needs, ordinary technicians in this field can adjust or modify these devices and environments, and the adjustments or modifications made are still included in the scope of the attached claims. DETAILED DESCRIPTION

[0034] The following is a detailed description of a powder multi-stage mixing mechanism provided by the utility model in combination with the accompanying drawings and specific embodiments. At the same time, it is explained here that in order to make the embodiments more detailed, the following embodiments are the best and preferred embodiments, and those skilled in the art may also adopt other alternatives to implement some known technologies; and the accompanying drawings are only for more specific description of the embodiments, and are not intended to specifically limit the utility model.

[0035] It should be noted that the references to "one embodiment", "embodiment", "exemplary embodiments", "some embodiments" and the like in the specification indicate that the embodiments described may include specific features, structures or characteristics, but not every embodiment may include the specific features, structures or characteristics. In addition, when a specific feature, structure or characteristic is described in conjunction with an embodiment, it should be within the knowledge of a person skilled in the art to implement such feature, structure or characteristic in conjunction with other embodiments (whether or not explicitly described).

[0036] In general, a term can be understood, at least in part, from its use in context. For example, depending, at least in part, on the context, the term "one or more" as used herein can be used to describe any feature, structure, or characteristic in the singular sense, or can be used to describe a combination of features, structures, or characteristics in the plural sense. Additionally, the term "based on" can be understood as not necessarily intended to convey an exclusive set of factors, but can instead, depending, at least in part, on the context, allow for the presence of other factors that are not necessarily explicitly described.

[0037] like Figure 1-7 As shown, the embodiment of the utility model provides a powder multi-stage mixing mechanism, comprising: a tank body 1, a screening mechanism 2 is arranged on the top of the tank body 1, the screening mechanism 2 is used to filter and screen the powder, and a mixing mechanism 3 is arranged inside the tank body 1, the mixing mechanism 3 is used to mix and stir the powder;

[0038] The mixing mechanism 3 includes a stirring motor 301 installed at the bottom of the tank body 1. The output shaft of the stirring motor 301 extends to the inside of the tank body 1 and is fixedly installed with a stirring rod. A plurality of stirring plates 302 are fixed on the surface of the stirring rod. By setting the stirring motor 301, the stirring plates 302 can be driven to stir and mix the powder.

[0039] The screening mechanism 2 includes a driving tube 201 rotatably arranged on the inner top wall of the tank body 1, a linkage plate 202 is fixedly connected to the bottom end of the driving tube 201, two linkage rods 203 are fixedly connected to the upper surface of the linkage plate 202, and a screening mesh cover 204 is longitudinally slidably mounted on the surface of the two linkage rods 203. It should be noted that the screening mesh cover 204 is a conical structure. The conical structure can expand the contact surface between the powder and the screen, thereby improving the screening effect.

[0040] A return spring 207 is sleeved on the surface of the linkage rod 203 , the top end of the return spring 207 is fixedly connected to the surface of the linkage rod 203 , and the bottom end of the return spring 207 is fixedly connected to the top of the screening mesh cover 204 , and the return spring 207 is used to movably return the screening mesh cover 204 .

[0041] The top of the screening mesh cover 204 is provided with two guide through holes matching the linkage rod 203, and the screening mesh cover 204 moves up and down on the surface of the linkage rod 203 through the guide through holes. The top of the screening mesh cover 204 is provided with a limiting through hole matching the driving tube 201, and the screening mesh cover 204 moves up and down on the surface of the driving tube 201 through the limiting through holes.

[0042] A driving box 6 is fixedly arranged on the upper surface of the tank body 1, a driving motor 7 is fixedly connected to the inner wall of the driving box 6, the top end of the driving tube 201 extends to the inside of the driving box 6, synchronous wheels 8 are arranged on the surfaces of the driving motor 7 and the driving tube 201, and a synchronous belt 9 is arranged between the two synchronous wheels 8.

[0043] Two feed pipes 4 are fixedly embedded on the upper surface of the tank body 1, and the bottom discharge port of the feed pipe 4 corresponds to the position of the screening mesh cover 204. Two discharge pipes 5 are arranged at the bottom of the tank body 1, and the surface of the discharge pipe 5 is provided with a switch valve.

[0044] The inner wall of the tank body 1 is fixedly connected with an annular material guide shell 205, which is located below the screening mesh cover 204, and the top of the material guide shell 205 is located inside the screening mesh cover 204. The surface of the tank body 1 is provided with two symmetrically positioned arc-shaped screening holes 206, the positions of the arc-shaped screening holes 206 correspond to the material guide shell 205, and the material guide shell 205 is used to guide the screened powder to the arc-shaped screening holes 206;

[0045] The surface of the guide shell 205 is fixedly connected with an arc-shaped top block 208, and the inner surface of the screening screen 204 is fixedly connected with a movable ball block 209. The position of the movable ball block 209 corresponds to the arc-shaped top block 208, and the arc-shaped top block 208 is used to push the movable ball block 209 to move upward;

[0046] A screening box 210 is fixedly connected to the outside of the tank body 1. The position of the screening box 210 corresponds to the arc-shaped screening hole 206. The top of the screening box 210 is a material taking port, and a cover plate is placed on the surface of the screening box 210. The cover plate is used to cover the material taking port. By setting up the screening box 210, the material guide shell 205 can be used to transport unqualified powder and impurities from the arc-shaped screening hole 206 to the screening box 210, so as to facilitate subsequent staff to clean the screening box 210.

[0047] It is worth noting that, by arranging the screening mechanism 2 inside the tank body 1, before mixing and stirring the powder, the powder is firstly put into the surface of the screening mesh cover 204 in the tank body 1 from the feeding pipe 4, and then the driving motor 7 is used to drive the driving pipe 201 to rotate, thereby driving the rotating screening mesh cover 204 to screen and filter the powder, so that the powder can be evenly spread on the surface of the screening mesh cover 204, and when the screening mesh cover 204 rotates, the movable ball block 209 is driven to contact the arc-shaped top block 208 on the surface of the guide shell 205, and the arc-shaped top block 208 is used to lift the screening mesh cover 204 upward for a certain distance, and at the same time, the linkage plate 202 and the linkage rod 203 are driven to move upward, and the reset spring 207 is squeezed, and then the screening mesh cover is made to oscillate up and down under the action of the rebound force of the reset spring 207, so that the powder can be vibrated and screened, and the screen can be avoided from being blocked. After screening, the powder can be made more refined, which is beneficial to improving the quality of subsequent powder mixing.

[0048] The inner wall of the driving box 6 is fixedly connected with a fan 10 and a heating box 11, the output end of the fan 10 extends to the interior of the heating box 11, an electric heating net 15 is installed on the inner wall of the heating box 11, and an air duct 12 is fixedly embedded on the surface of the heating box 11, and the end of the air duct 12 away from the heating box 11 is rotatably connected to the top of the driving tube 201.

[0049] The fan 10 delivers hot air to the inside of the driving tube 201 through the heating box 11 and the air duct 12. A drying tube 13 is fixedly embedded at the bottom end of the driving tube 201. The drying tube 13 is connected to the inside of the driving tube 201, so that the hot air delivered by the driving tube 201 can be transmitted to the air duct 14. A plurality of air ducts 14 are embedded on the surface of the drying tube 13. The air duct 14 is used to transport hot air to the inside of the screening mesh cover 204. The opening of the air duct 14 faces downward, so the air duct 14 can be used to block the falling powder, so that the powder will not block the air outlet of the air duct 14.

[0050] It is worth mentioning that by arranging a drying tube 13 inside the screening mesh cover 204, during the vibration screening process of the powder, the electric heating net 15 is first used to heat the air inside the heating box 11, and then the fan 10 is used to transport the hot air in the heating box 11 through the air duct 12 to the drying tube 13 at the bottom of the driving tube 201, and then the powder is heated and dried through a number of air ducts 14 on the surface of the drying tube 13, so that the screened powder is dried by hot air, the drying is made more uniform, and the powder is dried and dehumidified.

[0051] The present invention covers any substitution, modification, equivalent method and scheme made on the essence and scope of the present invention. In order to make the public have a thorough understanding of the present invention, the specific details are described in detail in the above preferred embodiments of the present invention, and those skilled in the art can fully understand the present invention without the description of these details.

[0052] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A powder multi-stage mixing mechanism, characterized in that: include: A tank body (1), wherein a screening mechanism (2) is arranged on the top of the tank body (1), and the screening mechanism (2) is used to filter and screen the powder; and a mixing mechanism (3) is arranged inside the tank body (1), and the mixing mechanism (3) is used to mix and stir the powder; The screening mechanism (2) comprises a driving tube (201) rotatably arranged on the inner top wall of the tank body (1); a linkage plate (202) is fixedly connected to the bottom end of the driving tube (201); two linkage rods (203) are fixedly connected to the upper surface of the linkage plate (202); screening screens (204) are longitudinally slidably sleeved on the surfaces of the two linkage rods (203); an annular material guide shell (205) is fixedly connected to the inner wall of the tank body (1); the material guide shell (205) is located below the screening screens (204); and the top end of the material guide shell (205) is located inside the screening screens (204); two arc-shaped screening holes (206) symmetrically located are provided on the surface of the tank body (1); the positions of the arc-shaped screening holes (206) correspond to those of the material guide shell (205); and the material guide shell (205) is used to guide the screened powder to the arc-shaped screening holes (206); The surface of the guide shell (205) is fixedly connected with an arc-shaped top block (208), and the inner surface of the screening screen (204) is fixedly connected with a movable ball block (209), the position of the movable ball block (209) corresponds to the arc-shaped top block (208), and the arc-shaped top block (208) is used to push the movable ball block (209) to move upward; A screening box (210) is fixedly connected to the outside of the tank body (1), and the position of the screening box (210) corresponds to the arc-shaped screening hole (206).

2. The powder multi-stage mixing mechanism according to claim 1, characterized in that: The mixing mechanism (3) comprises a stirring motor (301) mounted at the bottom of the tank body (1), the output shaft of the stirring motor (301) extending into the interior of the tank body (1) and having a stirring rod fixedly mounted thereon, and a plurality of stirring plates (302) fixed to the surface of the stirring rod.

3. The powder multi-stage mixing mechanism according to claim 2, characterized in that: A return spring (207) is sleeved on the surface of the linkage rod (203); the top end of the return spring (207) is fixedly connected to the surface of the linkage rod (203); and the bottom end of the return spring (207) is fixedly connected to the top of the screening mesh cover (204); the return spring (207) is used to movably return the screening mesh cover (204).

4. The powder multi-stage mixing mechanism according to claim 3, characterized in that: Two guide through holes matching the linkage rod (203) are provided on the top of the screening mesh cover (204), and the screening mesh cover (204) moves up and down on the surface of the linkage rod (203) through the guide through holes.

5. The powder multi-stage mixing mechanism according to claim 4, characterized in that: A drive box (6) is fixedly arranged on the upper surface of the tank body (1), a drive motor (7) is fixedly connected to the inner wall of the drive box (6), the top end of the drive tube (201) extends to the interior of the drive box (6), synchronous wheels (8) are arranged on the surfaces of the drive motor (7) and the drive tube (201), and a synchronous belt (9) is arranged between the two synchronous wheels (8).

6. The powder multi-stage mixing mechanism according to claim 5, characterized in that: The inner wall of the driving box (6) is fixedly connected to a fan (10) and a heating box (11); the output end of the fan (10) extends into the interior of the heating box (11); an electric heating net (15) is installed on the inner wall of the heating box (11); and an air guide duct (12) is fixedly embedded in the surface of the heating box (11); an end of the air guide duct (12) away from the heating box (11) is rotatably connected to the top end of the driving tube (201).

7. The powder multi-stage mixing mechanism according to claim 6, characterized in that: The fan (10) conveys hot air to the interior of the driving tube (201) via the heating box (11) and the air guide pipe (12); a drying tube (13) is fixedly embedded at the bottom end of the driving tube (201); a plurality of air guide covers (14) are embedded on the surface of the drying tube (13); the air guide covers (14) are used to convey hot air to the interior of the screening mesh cover (204).

8. The powder multi-stage mixing mechanism according to claim 7, characterized in that: Two feed pipes (4) are fixedly embedded on the upper surface of the tank body (1), and the bottom outlets of the feed pipes (4) correspond to the positions of the screening mesh covers (204).

9. The powder multi-stage mixing mechanism according to claim 8, characterized in that: Two discharge pipes (5) are provided at the bottom of the tank body (1), and a switch valve is provided on the surface of the discharge pipe (5).

10. The powder multi-stage mixing mechanism according to claim 9, characterized in that: The top of the screening box (210) is a material taking opening, and a cover plate is placed on the surface of the screening box (210), and the cover plate is used to cover the material taking opening.

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