A material feeding structure
By installing a connecting pipe between the weighing tank and the mixing tank to achieve air pressure balance, the problem of uneven material discharge from the weighing tank was solved, improving discharge efficiency and material mixing uniformity, and thus increasing production efficiency.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- FUJIAN HECHUAN TECH CO LTD
- Filing Date
- 2025-06-30
- Publication Date
- 2026-05-26
AI Technical Summary
In the production of powdered emulsifiers or enzyme preparations, when the material is fed from the weighing tank to the mixing tank, the air inside the mixing tank is difficult to expel, resulting in poor sealing, uneven feeding, and a surge in pressure, which affects production efficiency.
Design a material feeding structure by setting a connecting pipe between the weighing tank and the mixing tank. The connecting pipe is used to achieve air pressure balance, ensuring that air in the mixing tank enters the weighing tank when the material is fed through the weighing feeding pipe, thus balancing the air pressure and facilitating the feeding operation.
It enables smooth material feeding into the weighing tank, avoids pressure surges in the mixing tank, improves feeding efficiency, and ensures uniform material mixing through the symmetrical arrangement of the stirring shaft and linkage components.
Smart Images
Figure CN224271019U_ABST
Abstract
Description
Technical Field
[0001] This application relates to the field of material feeding technology, and in particular to a material feeding structure. Background Technology
[0002] When preparing powdered emulsifiers or enzyme preparations, the weighed materials are discharged from the weighing tank into the mixing tank for mixing. Usually, the mixing tank has high requirements for sealing in product production. When the weighing tank is discharging materials, the air inside the mixing tank is difficult to expel, which is not conducive to the discharging operation of the weighing tank. Moreover, the discharging process will cause the pressure inside the mixing tank to surge. Therefore, further improvements are needed. Utility Model Content
[0003] To facilitate the material unloading operation of the weighing tank, this application provides a material unloading structure.
[0004] The material feeding structure provided in this application adopts the following technical solution:
[0005] A material feeding structure includes a frame, a weighing tank mounted on the frame, and a mixing tank. The weighing tank is located above the mixing tank and has a weighing discharge pipe that passes through the top wall of the mixing tank. The weighing discharge pipe is connected to the inner cavity of the mixing tank and is equipped with a first control valve. A connecting pipe is provided between the weighing tank and the mixing tank, and the connecting pipe is connected to the inner cavity of the weighing tank and the inner cavity of the mixing tank.
[0006] By adopting the above technical solution, the two ends of the connecting pipe are respectively connected to the inner cavity of the weighing tank and the inner cavity of the mixing tank. The first control valve is opened to allow the weighing discharge pipe to perform the discharge operation. The air in the mixing tank enters the weighing tank through the connecting pipe, so that the air pressure in the two tanks is balanced, which facilitates the discharge operation of the weighing tank.
[0007] Preferably, one end of the connecting pipe passes through the top wall of the weighing tank, and the other end of the connecting pipe passes through the top wall of the mixing tank.
[0008] By adopting the above technical solution, the two ends of the connecting pipe are respectively inserted through the top walls of the weighing tank and the mixing tank and connected to the inner cavity of the two tanks. When the first control valve is opened to allow the weighing discharge pipe to discharge material, the air in the mixing tank can enter the weighing tank through the connecting pipe, thereby balancing the air pressure in the two tanks and facilitating the material discharge operation of the weighing tank.
[0009] Preferably, the connecting pipe includes a lower pipe fixed to the frame and connected to the mixing tank, and an upper pipe connected to the lower pipe and connected to the weighing tank. The lower pipe is a rigid pipe, the upper pipe is a flexible pipe, and the lower pipe is equipped with a second control valve.
[0010] By adopting the above technical solution, the lower through pipe is a rigid pipe fixed to the frame to ensure structural stability, the upper through pipe is a flexible pipe for easy connection and can adapt to certain positional changes, and the lower through pipe is equipped with a second control valve to control the opening and closing of the connecting pipe.
[0011] Preferably, the upper through pipe is a corrugated expansion pipe.
[0012] Preferably, the top wall of the weighing tank is provided with a feed pipe and an exhaust pipe, and the feed pipe and the exhaust pipe are respectively provided with a third control valve and a fourth control valve.
[0013] By adopting the above technical solution, the feed pipe can be used to convey materials into the weighing tank, the third control valve can control the opening and closing of the feed pipe to facilitate the entry and exit of materials; the exhaust pipe can discharge the gas in the weighing tank, and the fourth control valve can control the opening and closing of the exhaust pipe, which is beneficial to regulating the gas pressure in the weighing tank.
[0014] Preferably, the frame is fixedly connected to a mounting base plate located between the mixing tank and the weighing tank. Weighing legs are fixedly connected to the lower outer wall of the weighing tank. Multiple weighing legs are provided and distributed around the axis of the weighing tank. A weighing sensor is provided between the lower end face of the weighing leg and the upper end face of the mounting base plate. The weighing discharge pipe passes through the mounting base plate.
[0015] By adopting the above technical solution, the mounting base provides stable support for the weighing tank, multiple weighing legs distributed around the axis of the weighing tank ensure the stability of the support, the weighing sensor can monitor the weight of the material in the weighing tank in real time, and the weighing discharge pipe passes through the mounting base so that the material can smoothly enter the mixing tank from the weighing tank.
[0016] Preferably, the frame is fixedly connected to a limiting plate, which is located above the mounting base plate. The weighing support leg slides vertically through the limiting plate, and the weighing unloading tube passes through the limiting plate.
[0017] By adopting the above technical solution, the limiting plate can prevent the weighing support legs from swaying horizontally and improve the weighing accuracy.
[0018] Preferably, the weighing and feeding pipe is coaxially arranged with the weighing tank and the mixing tank. The top wall of the mixing tank is rotatably fitted with a stirring shaft. Two stirring shafts are provided and are symmetrically arranged along the axis of the mixing tank. A stirring rod built into the mixing tank is fixedly connected to the outer wall of the stirring shaft. Multiple stirring rods are provided, and the multiple stirring rods are distributed along the axial direction of the stirring shaft and circumferentially around the stirring shaft.
[0019] By adopting the above technical solution, two stirring shafts are symmetrically arranged along the axis of the mixing tank, and multiple stirring rods are distributed on the stirring shafts, which can fully stir the materials in the mixing tank and make the materials more uniformly mixed.
[0020] Preferably, the two stirring shafts are provided with a linkage assembly, which includes a linkage wheel coaxially fixedly sleeved on the stirring shaft and a transmission belt wound around the two linkage wheels. The weighing and feeding pipe is located inside the transmission belt, and the mixing tank is provided with a drive component to drive one of the stirring shafts to rotate.
[0021] By adopting the above technical solution, the two stirring shafts are linked by a linkage component. The drive component drives one stirring shaft to rotate, which in turn drives the other stirring shaft to rotate synchronously, thereby realizing dual-shaft stirring and improving stirring efficiency.
[0022] In summary, this utility model has the following beneficial effects:
[0023] 1. The two ends of the connecting pipe are respectively connected to the inner cavity of the weighing tank and the inner cavity of the mixing tank. The first control valve is opened to allow the weighing discharge pipe to perform the discharge operation. The air in the mixing tank enters the weighing tank through the connecting pipe, so that the air pressure in the two tanks is balanced, which facilitates the discharge operation of the weighing tank.
[0024] 2. The feed pipe can be used to convey materials into the weighing tank. The third control valve can control the opening and closing of the feed pipe to facilitate the entry and exit of materials. The exhaust pipe can discharge the gas in the weighing tank. The fourth control valve can control the opening and closing of the exhaust pipe, which is beneficial to regulating the gas pressure in the weighing tank.
[0025] 3. Two stirring shafts are symmetrically arranged along the axis of the mixing tank, and multiple stirring rods are distributed on the stirring shafts, which can fully stir the materials in the mixing tank and make the materials more uniformly mixed. Attached Figure Description
[0026] Figure 1 This is a schematic diagram of the overall structure of a material feeding structure;
[0027] Figure 2 This is a schematic diagram of the internal structure of a mixing tank;
[0028] Figure 3 This is a structural diagram of the linkage component.
[0029] In the diagram, 1. Frame; 11. Mounting base plate; 12. Support rod; 13. Limiting plate; 14. Weighing sensor; 2. Weighing tank; 21. Weighing support leg; 22. Weighing discharge pipe; 23. First control valve; 24. Feed pipe; 25. Exhaust pipe; 26. Third control valve; 27. Fourth control valve; 3. Mixing tank; 31. Mixing shaft; 32. Mixing rod; 33. Linkage assembly; 331. Linkage wheel; 332. Drive belt; 34. Bracket; 35. Motor; 36. Mixing support leg; 37. Mixing discharge pipe; 38. Fifth control valve; 4. Connecting pipe; 41. Lower pipe; 42. Upper pipe; 43. Second control valve. Detailed Implementation
[0030] The following is in conjunction with the appendix Figure 1-3 This application will be described in further detail.
[0031] This application discloses a material feeding structure, referring to... Figure 1 The system includes a frame 1, a weighing tank 2 mounted on the frame 1, and a mixing tank 3, with the weighing tank 2 located above the mixing tank 3. A mounting base 11 is fixedly connected to the frame 1 between the mixing tank 3 and the weighing tank 2. Multiple weighing legs 21 are fixedly connected to the lower outer wall of the weighing tank 2, distributed around the axis of the weighing tank 2. A weighing sensor 14 is mounted on the upper surface of the mounting base 11, and the weighing legs 21 abut against the weighing sensor 14. In this embodiment, the weighing sensor 14 is a shear beam type sensor. A limiting plate 13 is fixedly connected to the upper part of the mounting base 11 via a support rod 12, with the limiting plate 13 located below the weighing tank 2. The weighing legs 21 slide vertically through the limiting plate 13.
[0032] Reference Figure 1 , Figure 2 A weighing discharge pipe 22 is coaxially fixed to the bottom of the weighing tank 2. The weighing discharge pipe 22 slides sequentially through the limiting plate 13, the mounting base plate 11, and the top wall of the mixing tank 3, so that the weighing discharge pipe 22 is connected to the inner cavity of the mixing tank 3. The weighing discharge pipe 22 is provided with a first control valve 23 for opening and closing the inner cavity, and the first control valve 23 is located between the limiting plate 13 and the mounting base plate 11. A feed pipe 24 and an exhaust pipe 25 are fixedly connected to the top wall of the weighing tank 2. The feed pipe 24 and the exhaust pipe 25 are respectively provided with a third control valve 26 and a fourth control valve 27 for controlling their own opening and closing. In this embodiment, the feed pipe 24 is externally connected to a feeding device through a flexible hose.
[0033] The mixing tank 3 and the weighing tank 2 are coaxially arranged. A mixing support leg 36 is fixedly connected to the lower outer wall of the mixing tank 3, and the lower part of the mixing support leg 36 is fixed to the upper surface of the bottom plate of the frame 1. A connecting pipe 4 is provided between the weighing tank 2 and the mixing tank 3, and the connecting pipe 4 connects the inner cavity of the weighing tank 2 and the inner cavity of the mixing tank 3. In this embodiment, the connecting pipe 4 includes a lower through pipe 41 fixedly inserted through the mounting base plate 11 and through the top wall of the mixing tank 3, and an upper through pipe 42 with one end connected to the lower through pipe 41 and the other end inserted through the top wall of the weighing tank 2. The lower through pipe 41 is a rigid pipe, and a filter screen for filtering and blocking the raised powder is fixed at the lower end of the lower through pipe 41. The lower through pipe 41 is provided with a second control valve 43 for controlling the opening and closing. The upper through pipe 42 is a flexible hose, specifically, a corrugated telescopic pipe.
[0034] Reference Figure 2 , Figure 3A stirring shaft 31 is rotatably mounted on the top wall of the mixing tank 3. Two stirring shafts 31 are symmetrically arranged along the axis of the mixing tank 3. Multiple stirring rods 32 are fixedly connected to the outer wall of the stirring shafts 31 and are distributed axially and circumferentially around the stirring shafts 31. A linkage assembly 33 is externally mounted on the two stirring shafts 31. The linkage assembly 33 includes a pair of linkage wheels 331 coaxially fixedly mounted on the upper part of the two stirring shafts 31 and a transmission belt 332 wound around the two linkage wheels 331. The weighing and feeding pipe 22 is located inside the transmission belt 332. The mixing tank 3 is equipped with a drive unit to drive one of the stirring shafts 31 to rotate. A bracket 34 is fixedly connected to the upper end face of the mixing tank 3. The drive unit is a motor 35 fixedly connected to the bracket 34, and the output shaft of the motor 35 is coaxially fixedly connected to one of the stirring shafts 31. A mixing discharge pipe 37 is coaxially fixed to the bottom of the mixing tank 3, and the mixing discharge pipe 37 is equipped with a fifth control valve 38 for controlling the opening and closing.
[0035] The implementation principle of a material feeding structure in this application embodiment is as follows: the third control valve 26 and the fourth control valve 27 are opened, and the material is conveyed into the weighing tank 2 through the feed pipe 24. After the weighing sensor 14 reaches the set value, the feeding stops, the third control valve 26 and the fourth control valve 27 are closed, the first control valve 23 and the second control valve 43 are opened, and the weighing feeding pipe 22 performs the feeding operation. The air in the mixing tank 3 enters the weighing tank 2 through the connecting pipe 4, so that the air pressure in the two tanks is balanced, which facilitates the feeding operation of the weighing tank 2. After the feeding is completed, the first control valve 23 and the second control valve 43 are closed, the motor 35 is started to drive the stirring shaft 31 to rotate for mixing operation. After the mixing is completed, the fifth control valve 38, the second control valve 43 and the fourth control valve 27 are opened, and the mixed material is discharged through the mixing discharge pipe 37.
[0036] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.
Claims
1. A material feeding structure, characterized in that: The equipment includes a frame (1), a weighing tank (2) mounted on the frame (1), and a mixing tank (3). The weighing tank (2) is located above the mixing tank (3). The weighing tank (2) has a weighing discharge pipe (22) that passes through the top wall of the mixing tank (3). The weighing discharge pipe (22) is connected to the inner cavity of the mixing tank (3). The weighing discharge pipe (22) is equipped with a first control valve (23). A connecting pipe (4) is provided between the weighing tank (2) and the mixing tank (3). The connecting pipe (4) is connected to the inner cavity of the weighing tank (2) and the inner cavity of the mixing tank (3).
2. The material feeding structure according to claim 1, characterized in that: One end of the connecting pipe (4) is inserted through the top wall of the weighing tank (2), and the other end of the connecting pipe (4) is inserted through the top wall of the mixing tank.
3. The material feeding structure according to claim 1, characterized in that: The connecting pipe (4) includes a lower pipe (41) fixed to the frame (1) and connected to the mixing tank (3) and an upper pipe (42) connected to the lower pipe (41) and connected to the weighing tank (2). The lower pipe (41) is a rigid pipe and the upper pipe (42) is a flexible pipe. The lower pipe (41) is equipped with a second control valve (43).
4. The material feeding structure according to claim 3, characterized in that: The upper through pipe (42) is a corrugated expansion pipe.
5. The material feeding structure according to claim 1, characterized in that: The weighing tank (2) is provided with a feed pipe (24) and an exhaust pipe (25) on its top wall. The feed pipe (24) and the exhaust pipe (25) are respectively provided with a third control valve (26) and a fourth control valve (27).
6. The material feeding structure according to claim 1, characterized in that: The frame (1) is fixedly connected to a mounting base plate (11) located between the mixing tank (3) and the weighing tank (2). Weighing support legs (21) are fixedly connected to the lower outer wall of the weighing tank (2). Multiple weighing support legs (21) are provided and distributed around the axis of the weighing tank (2). Weighing sensors (14) are provided between the lower end face of the weighing support leg (21) and the upper end face of the mounting base plate (11). The weighing discharge pipe (22) passes through the mounting base plate (11).
7. The material feeding structure according to claim 6, characterized in that: The frame (1) is fixedly connected to a limiting plate (13), which is located above the mounting base plate (11). The weighing support leg (21) slides vertically through the limiting plate (13), and the weighing feed tube (22) passes through the limiting plate (13).
8. The material feeding structure according to claim 1, characterized in that: The weighing feed pipe (22) is coaxially arranged with the weighing tank (2) and the mixing tank (3). The top wall of the mixing tank (3) is rotatably provided with a stirring shaft (31). There are two stirring shafts (31) and they are symmetrically arranged along the axis of the mixing tank (3). The outer wall of the stirring shaft (31) is fixedly connected with a stirring rod (32) built into the mixing tank (3). There are multiple stirring rods (32). The multiple stirring rods (32) are distributed along the axial direction of the stirring shaft (31) and circumferentially around the stirring shaft (31).
9. A material feeding structure according to claim 8, characterized in that: The two stirring shafts (31) are provided with a linkage assembly (33). The linkage assembly (33) includes a linkage wheel (331) coaxially fixedly sleeved on the stirring shaft (31) and a transmission belt (332) wound around the two linkage wheels (331). The weighing discharge pipe (22) is located inside the transmission belt (332). The mixing tank (3) is provided with a drive component that drives one of the stirring shafts (31) to rotate.