Hopper mixing device

Abstract

The utility model relates to the technical field of material mixing. The hopper mixing device comprises a supporting frame and a mixing tank, rotating shafts are arranged on the two sides of the mixing tank, a driving assembly used for driving the rotating shafts to rotate is arranged on the supporting frame, and a primary mixing assembly used for mixing materials in a feeding hopper is arranged in the mixing tank. A stirring shaft is coaxially and rotatably arranged in the mixing tank, a spiral conveying belt is coaxially arranged on the stirring shaft, a plurality of material dispersing circular rings are further coaxially arranged on the stirring shaft, and a plurality of material dispersing rods are uniformly and fixedly arranged on the material dispersing circular rings in the circumferential direction of the material dispersing circular rings. The raw material mixing device has the advantages that the mixing quality of raw materials can be improved and the mixing efficiency can be improved by arranging the primary mixing assembly, the spiral conveying belt, the material dispersing circular ring and the material dispersing rods.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of mixing material, especially a hopper mixing device. BACKGROUND

[0002] The fixed hopper mixer is the most popular mixing equipment for solid powder and particle medicine in the international pharmaceutical industry. However, the existing fixed hopper mixer still has some shortcomings in actual use, such as only single rotation during mixing, which can only rely on the whole rotation of the mixer to change the position of the material accumulated in the hopper, affecting the continuity and efficiency of the mixing work. In addition, the existing mixing machine has poor processing effect, and the quality of the mixed product is low. SUMMARY

[0003] In order to overcome the shortcomings of the prior art, the application provides a hopper mixing device.

[0004] The hopper mixing device provided by the application adopts the following technical scheme:

[0005] A hopper mixing device, comprising a support frame and a mixing tank, both sides of the mixing tank are provided with a rotating shaft, the rotating shaft is rotatably arranged on the support frame, the support frame is provided with a driving assembly for driving the rotating shaft to rotate, the top of the mixing tank is provided with a top cover, the top cover is provided with a feeding hopper in communication, the inside of the mixing tank is provided with a preliminary mixing assembly for mixing the material in the feeding hopper, the mixing tank is coaxially rotatably provided with a stirring shaft, the stirring shaft is coaxially provided with a spiral conveyor belt, the stirring shaft is also coaxially provided with a plurality of bulk material rings, the plurality of bulk material rings are evenly arranged along the length direction of the stirring shaft, a plurality of bulk material rods are evenly fixed on the bulk material ring along the circumferential direction of the bulk material ring, the top cover is provided with a stirring motor, and the stirring motor is coaxially connected with the stirring shaft.

[0006] By adopting the above technical scheme, when in use, the operator adds the raw materials to be mixed from the feeding hopper into the mixing tank, and then the mixed raw materials fall onto the preliminary mixing assembly, which can preliminarily disperse the raw materials to be mixed. At this time, the stirring motor is started, and the stirring motor drives the stirring shaft to rotate synchronously in the process of rotation. The stirring shaft drives the spiral conveyor belt to rotate in the process of rotation, and the spiral conveyor belt continuously lifts the raw materials at the bottom of the mixing tank to a high place in the process of rotation. Then, the raw materials fall from a high place, and collide with the bulk material ring and the bulk material rod on the bulk material ring in the process of falling, so as to scatter the raw materials and further improve the mixing degree between the raw materials.

[0007] Optionally, the primary mixing assembly comprises a primary mixing disc, which is coaxially fixed on the stirring shaft, a plurality of through holes are uniformly arranged on the bottom of the primary mixing disc, a fixing seat is arranged on the bottom of the top cover, a pushing tooth is arranged on the fixing seat, and the bottom of the pushing tooth is tangent to the primary mixing disc.

[0008] By adopting the above technical scheme, the raw materials to be mixed fall from the feeding hopper to the mixing disc, and at the same time, the stirring motor is started, which drives the primary mixing disc to rotate synchronously, and the raw materials to be mixed are discharged from the plurality of through holes on the bottom of the primary mixing disc during the rotation of the primary mixing disc, thereby preliminarily dispersing the raw materials to be mixed and improving the mixing degree of the raw materials.

[0009] Optionally, the driving assembly comprises a driving motor, which is fixed on the support frame, a worm is coaxially arranged on the output shaft of the driving motor, and a worm wheel is coaxially arranged on the end of the rotating shaft away from the mixing tank.

[0010] By adopting the above technical scheme, the driving motor is started, which drives the worm to rotate, the worm drives the worm wheel to rotate during the rotation of the worm, the rotating shaft is driven to rotate during the rotation of the worm wheel, and the mixing tank is driven to rotate as a whole during the rotation of the rotating shaft, thereby mixing the raw materials.

[0011] Optionally, different numbers of the material scattering rods are arranged on the adjacent two material scattering rings.

[0012] By adopting the above technical scheme, the raw materials move synchronously during the movement of the mixing tank, and the raw materials flow through the gaps between the different material scattering rods during the movement of the raw materials, which scatters the raw materials, thereby improving the mixing degree and the mixing efficiency of the raw materials.

[0013] Optionally, a mounting box is arranged on the support frame, the driving assembly is arranged in the mounting box, and a control switch is arranged on the bottom of the mounting box.

[0014] By adopting the above technical scheme, the mounting box plays a protective role in isolating the driving assembly.

[0015] Optionally, a blocking cover for blocking the feeding hopper is arranged on the feeding hopper, and a handle is arranged on the top of the blocking cover.

[0016] By adopting the above technical scheme, when the staff finishes adding the raw materials to be mixed from the feeding hopper, the staff holds the handle to place the blocking cover on the feeding hopper, and the raw materials in the mixing tank are difficult to leak out of the feeding hopper when the driving assembly drives the mixing tank to rotate.

[0017] Optionally, a discharging switch is arranged in communication with the bottom of the mixing tank.

[0018] By adopting the technical scheme, after the raw materials to be mixed are mixed in the mixing tank, the discharge switch is opened, and the mixed raw materials are discharged from the inside of the mixing tank under the action of gravity.

[0019] Optionally, an inner wall of the mixing tank is provided with a polytetrafluoroethylene layer.

[0020] By adopting the technical scheme, the chemical property of the polytetrafluoroethylene is stable, and it is difficult to react with the raw materials, so as not to affect the property of the raw materials, and the friction coefficient is extremely low, so that the raw materials are difficult to adhere to the inner wall of the mixing tank, and the mixed raw materials are facilitated to be discharged.

[0021] The utility model has the advantages of the following:

[0022] 1. The initial mixing assembly, spiral conveying belt, bulk ring and bulk rod are arranged, so that the mixing quality of the raw materials is improved, and the mixing efficiency is improved.

[0023] 2. The adjacent two bulk rings have different numbers of bulk rods, so that the raw materials flow through the gaps between the different bulk rods during movement, thereby improving the mixing degree of the raw materials and the mixing efficiency of the raw materials.

[0024] 3. The polytetrafluoroethylene layer is arranged on the inner wall of the mixing tank, so that the mixed raw materials are facilitated to be discharged. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 The figure is a schematic view of the overall structure of the utility model;

[0026] Figure 2 The figure is a schematic view of the mounting structure of the driving assembly of the utility model;

[0027] Figure 3 The figure is a schematic view of the mounting structure of the initial mixing assembly of the utility model;

[0028] Figure 4 The figure is a schematic view of the mounting structure of the spiral conveying belt and the bulk rod of the utility model;

[0029] In the figure: 1, support frame; 11, mounting box; 12, control switch; 2, mixing tank; 21, rotating shaft; 22, top cover; 23, feeding hopper; 231, plugging cover; 232, handle; 24, stirring shaft; 25, spiral conveying belt; 26, bulk ring; 27, bulk rod; 28, stirring motor; 29, discharge switch; 3, driving assembly; 31, driving motor; 32, worm; 33, worm gear; 4, initial mixing assembly; 41, initial mixing disc; 42, through hole; 43, fixing seat; 44, pushing tooth. DETAILED DESCRIPTION

[0030] The utility model makes further description below combining with the drawings, but the protection scope of the utility model is not limited to following described.

[0031] As Figures 1 to 4 The utility model discloses a hopper mixing device, including support frame 1 and mixing jar 2, both sides of mixing jar 2 are installed with rotating shaft 21, and rotating shaft 21 is rotatably installed on support frame 1, and driving assembly 3 for driving rotating shaft 21 rotation is installed on support frame 1, and the top of mixing jar 2 is installed with top cover 22, and top cover 22 is installed with the upper hopper 23 in intercommunication, the inside installation of mixing jar 2 has the primary mixing component 4 for mixing the material in the upper hopper 23, and the coaxial rotation of mixing jar 2 is installed with stirring shaft 24, and the coaxial installation of stirring shaft 24 has spiral conveying belt 25, and still the coaxial installation of stirring shaft 24 has a plurality of bulk circular ring 26, and a plurality of bulk circular ring 26 are evenly arranged along the length direction of stirring shaft 24, and a plurality of bulk circular ring 26 are evenly fixed with a plurality of bulk rods 27 along the circumference of itself, and stirring motor 28 is installed on top cover 22, and stirring motor 28 is connected with stirring shaft 24 coaxially, when using, the staff adds the raw material needing mixing from the upper hopper 23 to mixing jar 2, then the raw material will be scattered to the primary mixing component 4, and the primary mixing component 4 can preliminarily disperse the raw material to be mixed, at this moment, starting stirring motor 28, and stirring motor 28 will drive stirring shaft 24 synchronous rotation in the process of rotation, and stirring shaft 24 will drive spiral conveying belt 25 rotation in the process of rotation, and spiral conveying belt 25 will continuously lift the raw material at the bottom of mixing jar 2 to high place in the process of rotation, then these raw materials will fall from high place, and will collide with bulk circular ring 26 and bulk rod 27 on bulk circular ring 26 in the process of falling, thereby scattering the raw material, and then improving the mixing degree between raw materials, when stirring motor 28 rotates, driving assembly 3 drives rotating shaft 21 to rotate, thereby driving mixing jar 2 to rotate, when mixing jar 2 rotates, the raw material falls from the bottom of mixing jar 2 to top cover 22 on mixing jar 2, and also collides with bulk rod 27 in the process of moving, thereby scattering the raw material needing mixing, and then improving the mixing degree of raw material, effectively improve the mixing effect between raw materials to be mixed, and then effectively improve the mixing efficiency between raw materials to be mixed.

[0032] As Figures 1 to 4As shown, the primary mixing assembly 4 comprises a primary mixing disc 41 which is fixedly installed coaxially on the stirring shaft 24, a plurality of through holes 42 are uniformly arranged on the bottom of the primary mixing disc 41, a fixing seat 43 is installed on the bottom of the top cover 22, a pushing tooth 44 is installed on the fixing seat 43, and the bottom of the pushing tooth 44 is tangent to the primary mixing disc 41; in use, the staff first adds the raw materials to be mixed into the feeding hopper 23, and then the raw materials to be mixed fall on the mixing disc, at the same time, the stirring motor 28 is started, and the stirring motor 28 drives the primary mixing disc 41 to rotate synchronously, and the primary mixing disc 41 rotates to discharge the raw materials to be mixed from the plurality of through holes 42 on the bottom of the primary mixing disc 41, so as to preliminarily disperse the raw materials to be mixed and improve the mixing degree of the raw materials; in the process of rotation of the primary mixing disc 41, the primary mixing disc 41 moves relatively with the pushing tooth 44 due to the fixed connection between the fixing seat 43 and the top cover 22, the pushing tooth 44 pushes the raw materials to be mixed, and the plurality of through holes 42 on the bottom of the primary mixing disc 41 are dredged, so as to improve the dispersion effect of the raw materials to be mixed.

[0033] As shown in Figures 1 to 4 The driving assembly 3 comprises a driving motor 31 which is fixedly installed on the support frame 1, a worm 32 is coaxially installed on the output shaft of the driving motor 31, one of the two rotating shafts 21 is coaxially installed with a worm wheel 33 away from the mixing tank 2, and the worm 32 is engaged with the worm wheel 33; in use, the driving motor 31 is started, and the driving motor 31 drives the worm 32 to rotate in the process of rotation, the worm 32 drives the worm wheel 33 to rotate in the process of rotation, the worm wheel 33 drives the rotating shaft 21 to rotate in the process of rotation, and the rotating shaft 21 drives the mixing tank 2 to rotate as a whole in the process of rotation, so that the bottom of the mixing tank 2 moves to a high place, and then the bottom of the mixing tank 2 moves from the high place to a low place, so as to overturn the raw materials to be mixed, and the raw materials reciprocate in the mixing tank 2, and the raw materials flow from the gaps between the plurality of scattering rods 27 on the different scattering annular rings 26 in the process of moving from the bottom of the mixing tank 2 to the top of the mixing tank 2, so as to improve the mixing degree of the raw materials.

[0034] As shown in Figures 1 to 4As shown, the two adjacent bulk rings 26 are installed with different number of bulk bars 27; in use, when the driving assembly 3 drives the rotating shaft 21 to move, so that the mixing tank 2 rotates, when the bottom of the mixing tank 2 moves towards the high position, the raw materials located at the bottom of the mixing tank 2 will move towards the position of the top cover 22 of the mixing tank 2, and these raw materials will pass through the plurality of bulk rings 26 in the moving process, since the number of bulk bars 27 on the two adjacent bulk rings 26 is different, the bulk bars 27 on the plurality of bulk rings 26 will be misaligned, the raw materials are difficult to directly pass through the plurality of bulk rings 26, and will collide with the plurality of bulk bars 27 on the bulk rings 26, and flow through the gaps between the different bulk bars 27, so that the mixing degree of the raw materials is improved, and the mixing efficiency of the raw materials is improved.

[0035] As shown in Figures 1 to 4 The support frame 1 is installed with a mounting box 11, the driving assembly 3 is installed in the mounting box 11, and the bottom of the mounting box 11 is installed with a control switch 12; the mounting box 11 plays a role in isolating and protecting the driving assembly 3, and the control switch 12 is electrically connected with the stirring motor 28 and the driving motor 31 respectively, so that the staff can control the stirring motor 28 and the driving motor 31 respectively, and in the working process of the driving assembly 3, the staff cannot directly contact the driving assembly 3, so that the safety is improved.

[0036] As shown in Figures 1 to 4 The feeding hopper 23 is installed with a blocking cover 231 for blocking itself, and the top of the blocking cover 231 is installed with a handle 232; in use, when the staff adds the raw materials to be mixed into the feeding hopper 23, the staff holds the handle 232 to place the blocking cover 231 on the feeding hopper 23, and in this embodiment, the blocking cover 231 is threadedly connected with the feeding hopper 23, so that the connection stability between the blocking cover 231 and the feeding hopper 23 is improved, and when the driving assembly 3 drives the mixing tank 2 to rotate, the raw materials in the mixing tank 2 are difficult to leak out of the feeding hopper 23, so that the loss of the raw materials is reduced.

[0037] As shown in Figures 1 to 4 The bottom of the mixing tank 2 is installed with a discharging switch 29; when the raw materials to be mixed are mixed in the mixing tank 2, the discharging switch 29 is opened, and under the action of gravity, the mixed raw materials are discharged from the inside of the mixing tank 2.

[0038] As shown in Figures 1 to 4As shown, the inner wall of the mixing tank 2 is provided with a polytetrafluoroethylene layer; polytetrafluoroethylene is also known as Teflon, commonly known as "plastic king", which is a high molecular polymer prepared by polymerization of tetrafluoroethylene as a monomer, chemical formula (C2F4)n, excellent heat and cold resistance, can be used for long-term use at-180~260ºC. This material has the characteristics of resisting acid and alkali, resisting various organic solvents, and is almost insoluble in all solvents. At the same time, polytetrafluoroethylene has the characteristics of high temperature resistance, and its friction coefficient is extremely low, so it can not only play a lubricating role, but also become an ideal coating for easy cleaning of the inner layer of the water pipe; by installing a polytetrafluoroethylene coating on the inner wall of the mixing tank 2, the chemical properties of polytetrafluoroethylene are stable and difficult to react with the raw materials, so as not to affect the properties of the raw materials, and the friction coefficient is extremely low, so the raw materials are difficult to adhere to the inner wall of the mixing tank 2, facilitating the discharge of the mixed raw materials, and improving the cleanliness of the mixing tank 2.

[0039] The implementation principle of the embodiment is that: in use, the worker adds the raw materials to be mixed from the feeding hopper into the mixing tank, and then the mixed raw materials will fall onto the primary mixing assembly, which can preliminarily disperse the raw materials to be mixed. At this time, the stirring motor is started, and the stirring motor rotates to drive the stirring shaft to rotate synchronously. The stirring shaft rotates to drive the spiral conveying belt to rotate, and the spiral conveying belt rotates to continuously lift the raw materials at the bottom of the mixing tank to a high place. Then the raw materials will fall from a high place, and collide with the bulk ring and the bulk rod on the bulk ring in the process of falling, so as to scatter the raw materials and further improve the mixing degree between the raw materials, thereby effectively improving the mixing effect between the raw materials to be mixed.

[0040] The above is only a preferred embodiment of the present application, and does not limit the present application in any form. Any skilled person in the art can make many possible changes and modifications to the technical content of the above-described technical solution of the present application, or modify it into equivalent embodiments with equivalent changes. Therefore, any modification, equivalent change and modification of the above embodiments made by the technical content of the present application, which does not deviate from the technical solution of the present application, belongs to the protection scope of the present application.

Claims

1. A hopper mixing device, characterized in that: The system includes a support frame (1) and a mixing tank (2). A rotating shaft (21) is provided on both sides of the mixing tank (2). The rotating shaft (21) is rotatably mounted on the support frame (1). A drive assembly (3) for driving the rotating shaft (21) is provided on the support frame (1). A top cover (22) is provided on the top of the mixing tank (2). A feeding hopper (23) is connected to the top cover (22). A primary mixing assembly (4) for mixing the materials in the feeding hopper (23) is provided inside the mixing tank (2). A stirring shaft (24) is coaxially rotatably arranged inside the tank (2). A spiral conveyor belt (25) is coaxially arranged on the stirring shaft (24). Multiple material rings (26) are also coaxially arranged on the stirring shaft (24). The multiple material rings (26) are evenly arranged along the length direction of the stirring shaft (24). Multiple material rods (27) are evenly fixed on the material rings (26) along their circumference. A stirring motor (28) is arranged on the top cover (22). The stirring motor (28) is coaxially connected to the stirring shaft (24).

2. The hopper mixing device according to claim 1, characterized in that: The initial mixing component (4) includes an initial mixing disc (41), which is coaxially fixed on the stirring shaft (24). The bottom of the initial mixing disc (41) is evenly provided with multiple through holes (42). The bottom of the top cover (22) is provided with a fixing seat (43), and the fixing seat (43) is provided with pusher teeth (44). The bottom of the pusher teeth (44) is tangent to the initial mixing disc (41).

3. The hopper mixing device according to claim 1, characterized in that: The drive assembly (3) includes a drive motor (31), which is fixedly mounted on the support frame (1). A worm (32) is coaxially mounted on the output shaft of the drive motor (31), and a worm wheel (33) is coaxially mounted on one end of the rotating shaft (21) away from the mixing tank (2). The worm (32) meshes with the worm wheel (33).

4. The hopper mixing device according to claim 1, characterized in that: Different numbers of material handling rods (27) are provided on two adjacent material handling rings (26).

5. The hopper mixing device according to claim 3, characterized in that: The support frame (1) is provided with a mounting box (11), the drive assembly (3) is located inside the mounting box (11), and a control switch (12) is provided at the bottom of the mounting box (11).

6. The hopper mixing device according to claim 1, characterized in that: The feeding hopper (23) is provided with a sealing cover (231) for sealing itself, and a handle (232) is provided on the top of the sealing cover (231).

7. A hopper mixing device according to claim 6, characterized in that: The bottom of the mixing tank (2) is connected to a discharge switch (29).

8. The hopper mixing device according to claim 1, characterized in that: The inner wall of the mixing tank (2) is provided with a polytetrafluoroethylene layer.

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