Compound fertilizer proportional mixing device

Abstract

The utility model relates to the technical field of chemical equipment, in particular to a compound fertilizer proportional mixing device which comprises a mixing drum and a plurality of spiral feeding mechanisms, a plurality of compound fertilizer raw materials enter the mixing drum through the specified spiral feeding mechanisms respectively, and when spiral blades rotate, the spiral blades are driven by the spiral blades to rotate. The material at the second feeding port is conveyed to the second discharging port, in the conveying process, the feeding amount of the compound fertilizer raw materials can be accurately controlled by adjusting the rotating speed of the spiral blade, and then the compound fertilizer raw materials are fed into the stirring barrel according to a certain proportion and are mixed in the stirring barrel. According to the scheme, the multiple spiral feeding mechanisms are independent and do not interfere with one another during operation, multiple compound fertilizer raw materials can be fed at the same time, the automation degree is high, the production efficiency is improved, and the labor cost is saved.

Description

Technical Field

[0001] The utility model relates to the technical field of chemical equipment, in particular to a compound fertilizer proportion mixing device. Background Art

[0002] Compound fertilizer is a kind of fertilizer containing two or more nutrient elements, mainly including nitrogen, phosphorus, potassium and other elements. At present, it is mainly produced in batches through physical mixing and chemical reaction methods. Compound fertilizer has the advantages of high nutrient content, few by-products and good physical properties. It plays a very important role in balanced fertilization, improving fertilizer utilization rate and promoting high and stable yield of crops. It has been widely used in agricultural production.

[0003] The production process of compound fertilizer mainly includes the following steps: raw material batching, raw material mixing, raw material granulation, particle drying, particle cooling, particle grading, finished product coating and finished product packaging. When mixing the raw materials, the raw materials need to be proportioned and put into a mixing barrel for mixing. In the existing production process, the raw materials are usually weighed by construction, which has slow work efficiency and very low mixing efficiency. Utility Model Content

[0004] The utility model aims to solve at least one of the technical problems existing in the prior art. To this end, the utility model proposes a compound fertilizer proportion mixing device, which can automatically mix raw materials, has a high degree of automation, improves production efficiency, and saves labor costs.

[0005] A compound fertilizer proportion mixing device according to an embodiment of the utility model comprises:

[0006] A mixing drum, wherein the upper end of the mixing drum is provided with at least two first feed ports, and the lower end of the mixing drum is provided with a first discharge port;

[0007] A spiral feeding mechanism, each of the first feed ports is respectively provided with the spiral feeding mechanism, the spiral feeding mechanism is provided with a barrel, one end of the barrel is provided with a second feed port, the other end of the barrel is provided with a second discharge port, the opening directions of the second feed port and the second discharge port are opposite; a spiral blade is provided in the barrel, and the spiral blade can transport the material at the second feed port to the second discharge port when rotating.

[0008] According to some embodiments of the utility model, the spiral feeding mechanism includes a drive shaft, a first drive and a coupling; the first drive is fixedly connected to the barrel, the output end of the first drive is transmission-connected to the drive shaft through a coupling, and one end of the drive shaft passes through the barrel and is fixedly connected to the spiral blade.

[0009] According to some embodiments of the present invention, the first drive is a servo motor.

[0010] According to some embodiments of the utility model, a conical collecting hopper is provided at the lower end of the mixing drum, and the first discharge port is provided at the lower end of the conical collecting hopper; a cover plate is provided at the upper end of the mixing drum, and a stirring mechanism is provided on the cover plate.

[0011] According to some embodiments of the utility model, the stirring mechanism includes a second drive, a stirring shaft, a stirring blade and a shaft seat, and the shaft seat is fixedly connected to the cover plate; the output end of the second drive is transmission-connected to the stirring shaft, the stirring shaft is rotationally connected to the shaft seat, and one end of the stirring shaft passes through the cover plate and is fixedly connected to the stirring blade.

[0012] According to some embodiments of the utility model, the stirring mechanism also includes a seat bearing, a first fixed seat and a second fixed seat; a shoulder is provided on the stirring shaft, the stirring shaft and the seat bearing are rotatably connected, and the shoulder abuts against the seat bearing; the seat bearing and the first fixed seat are fixedly connected, and the second drive and the second fixed seat are fixedly connected.

[0013] According to some embodiments of the present invention, the first fixing seat and the second fixing seat are alternately arranged on the cover plate.

[0014] According to some embodiments of the utility model, a bearing bush is provided on the shaft seat, and the stirring shaft and the bearing bush are fixedly connected.

[0015] According to some embodiments of the present invention, a frame is further included, and the mixing drum is fixedly arranged on the frame.

[0016] According to some embodiments of the utility model, a working platform is arranged on the frame, guardrails are arranged around the working platform, and an escalator is arranged at one end of the working platform.

[0017] A compound fertilizer proportion mixing device according to an embodiment of the utility model has at least the following beneficial effects:

[0018] According to the scheme of the utility model, the compound fertilizer proportion mixing device includes a mixing drum and multiple spiral feeding mechanisms. Multiple compound fertilizer raw materials enter the mixing drum through designated spiral feeding mechanisms respectively. When the spiral blades rotate, the materials at the second feed port are transported to the second discharge port. During the transportation process, the input amount of the compound fertilizer raw materials can be accurately controlled by adjusting the rotation speed of the spiral blades. The compound fertilizer raw materials are put into the mixing drum according to a certain ratio, and the mixing is completed in the mixing drum. In this scheme, multiple spiral feeding mechanisms are independent of each other when operating, and do not interfere with each other. Multiple compound fertilizer raw materials can be put in at the same time, with a high degree of automation, improved production efficiency, and saved labor costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 A structural schematic diagram of the utility model;

[0020] Figure 2 A three-dimensional structural schematic diagram of the utility model;

[0021] Figure 3 A cross-sectional structural schematic diagram of the spiral feeding mechanism of the utility model;

[0022] Figure 4 It is a schematic cross-sectional structure diagram of the mixing drum of the utility model.

[0023] In the figure:

[0024] 100-frame, 110-working platform, 120-guardrail, 130-escalator;

[0025] 200-mixing drum, 201-first feeding port, 202-first discharging port, 203-conical collecting hopper, 210-cover plate;

[0026] 300-screw feeding mechanism, 301-second feeding port, 302-second discharging port, 310-barrel, 320-driving shaft, 330-first driving, 340-coupling, 350-screw blade;

[0027] 400 - stirring mechanism, 410 - second drive, 420 - stirring shaft, 421 - shaft shoulder, 430 - stirring blade, 440 - shaft seat, 441 - bearing, 450 - bearing with seat, 460 - first fixed seat, 470 - second fixed seat. DETAILED DESCRIPTION

[0028] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0029] In the description of the present invention, it should be understood that the descriptions involving orientation, such as the orientation or positional relationship indicated as up, down, etc., are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0030] In the description of the present utility model, "a plurality" means more than two. If there is a description of "first" or "second", it is only for the purpose of distinguishing the technical features, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0031] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, connecting, etc. should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.

[0032] Reference Figure 1As shown in the figure, the utility model discloses a compound fertilizer proportion mixing device, which includes a mixing drum 200 and a spiral feeding mechanism 300. Among them, at least two first feed ports 201 are arranged at the upper end of the mixing drum 200, and a first discharge port 202 is arranged at the lower end of the mixing drum 200; a spiral feeding mechanism 300 is arranged on each first feed port 201, and the spiral feeding mechanism 300 is provided with a barrel 310, and a second feed port 301 is arranged at one end of the barrel 310, and a second discharge port 302 is arranged at the other end of the barrel 310, and the opening directions of the second feed port 301 and the second discharge port 302 are opposite; a spiral blade 350 is arranged in the barrel 310, and the spiral blade 350 can transport the material at the second feed port 301 to the second discharge port 302 when rotating. In this embodiment, a plurality of compound fertilizer raw materials are respectively fed into the mixing drum 200 through a designated spiral feeding mechanism 300. Specifically, in this embodiment, the compound fertilizer raw materials enter the barrel 310 through the second feeding port 301, and are driven by the spiral blade 350 to move to the second discharge port 302 along the linear direction of the barrel 310; during the conveying process, by adjusting the rotation speed of the spiral blade 350, the input amount of the compound fertilizer raw materials can be accurately controlled, and the compound fertilizer raw materials are fed into the mixing drum 200 through the first feeding port 201 according to a certain proportion, and the mixing is completed in the mixing drum 200. The mixed compound fertilizer raw materials enter the next process through the first discharge port 202. In this embodiment, the plurality of spiral feeding mechanisms 300 are independent of each other during operation, do not interfere with each other, and can simultaneously feed a plurality of compound fertilizer raw materials, with a high degree of automation, improved production efficiency, and saved labor costs.

[0033] In some embodiments of the utility model, the spiral feeding mechanism 300 includes a drive shaft 320, a first drive 330 and a coupling 340; the first drive 330 and the barrel 310 are fixedly connected, the output end of the first drive 330 is transmission-connected to the drive shaft 320 through the coupling 340, and one end of the drive shaft 320 passes through the barrel 310 and is fixedly connected to the spiral blade 350. In this embodiment, the spiral feeding mechanism 300 includes a driving shaft 320, a first driving mechanism 330, a coupling 340, a spiral blade 350 and a barrel 310; wherein the axis of the barrel 310 is horizontally arranged, and the two ends of the barrel 310 are respectively provided with a second feeding port 301 and a second discharging port 302, the opening of the second feeding port 301 faces upward, and the opening of the second discharging port 302 faces downward. Through the arrangement of this structure, the compound fertilizer raw material can fill the space inside the barrel 310 when entering through the second feeding port 301; the first driving mechanism 330 is arranged at one end of the barrel 310 close to the second feeding port 301, and the first driving mechanism 350 is arranged at one end of the barrel 310 close to the second feeding port 301. The output end of 330 is connected to the drive shaft 320 through a coupling 340, and one end of the drive shaft 320 passes through the barrel 310 and extends into the interior of the barrel 310, and is fixedly connected to the spiral blade 350 located inside the barrel 310; when working, the first drive 330 controls the rotation of the drive shaft 320, further drives the spiral blade 350 to rotate, and then pushes the compound fertilizer raw materials located in the barrel 310 to move toward the second discharge port 302; in this embodiment, the rotation speed of the drive shaft 320 and the spiral blade 350 can be controlled by adjusting the first drive 330, thereby accurately controlling the input amount of different compound fertilizer raw materials.

[0034] In some embodiments of the present invention, the first drive 330 is a servo motor. Specifically, the first drive 330 is an AC servo motor. By using the AC servo motor to control the rotation of the spiral blade 350, the advantages of adjustable speed, accurate positioning, high control accuracy and good torque-frequency characteristics can be achieved, and the purpose of fast and accurate measurement can be achieved.

[0035] In some embodiments of the utility model, a conical collecting hopper 203 is provided at the lower end of the mixing drum 200, and a first discharge port 202 is provided at the lower end of the conical collecting hopper 203; a cover plate 210 is provided at the upper end of the mixing drum 200, and a stirring mechanism 400 is provided on the cover plate 210. Specifically, in this embodiment, the compound fertilizer raw material enters the mixing drum 200 through the first feed port 201 on the cover plate 210 for full mixing, and enters the next process through the first discharge port 202 after the mixing is completed; in this embodiment, by providing a conical collecting hopper 203 at the lower end of the mixing drum 200, the mixed material in the mixing drum 200 can be completely discharged, and the mixed material can be prevented from being accumulated for a long time and causing microbial growth, thereby improving the quality of the mixed material; by providing a cover plate 210 at the upper end of the mixing drum 200, a support platform for the spiral feeding mechanism 300 can be provided, and the mixing drum 200 can also be relatively isolated to prevent dust and impurities from entering the mixing drum 200.

[0036] In some embodiments of the utility model, the stirring mechanism 400 includes a second drive 410, a stirring shaft 420, a stirring blade 430 and a shaft seat 440, and the shaft seat 440 is fixedly connected to the cover plate 210; the output end of the second drive 410 is connected to the stirring shaft 420 by transmission, the stirring shaft 420 is connected to the shaft seat 440 by rotation, and one end of the stirring shaft 420 passes through the cover plate 210 and is fixedly connected to the stirring blade 430. In this embodiment, the second drive 410 is used as a component for providing power output; the stirring shaft 420 is a medium for transmitting power, and the stirring blade 430 is a part that directly contacts the compound fertilizer raw material and is responsible for the actual stirring work. The shaft seat 440 plays a role of fixing and supporting to ensure the normal operation of the entire mechanism. In this embodiment, the second drive 410 can be a motor reducer. Specifically, due to the large resistance of the compound fertilizer raw material in the mixing drum 200, a motor reducer is used as the second drive 410, which can provide a large transmission to drive the stirring blade 430 to work normally.

[0037] In some embodiments of the utility model, the stirring mechanism 400 also includes a seat bearing 450, a first fixed seat 460 and a second fixed seat 470; a shoulder 421 is provided on the stirring shaft 420, the stirring shaft 420 and the seat bearing 450 are rotatably connected, and the shoulder 421 abuts against the seat bearing 450; the seat bearing 450 and the first fixed seat 460 are fixedly connected, and the second drive 410 and the second fixed seat 470 are fixedly connected. In this embodiment, the stirring mechanism 400 includes a second drive 410, a stirring shaft 420, a stirring blade 430, a shaft seat 440, a seat bearing 450, a first fixed seat 460 and a second fixed seat 470, wherein the first fixed seat 460, the second fixed seat 470 and the shaft seat 440 are respectively mounted on the cover plate 210, and the second drive 410 and the second fixed seat 470 are fixedly connected; the output end of the second drive 410 is transmission-connected to the stirring shaft 420, the stirring shaft 420 and the shaft seat 440 are rotatably connected, and one end of the stirring shaft 420 The cover plate 210 is fixedly connected with the stirring blade 430, a shoulder 421 is provided on the stirring shaft 420, the stirring shaft 420 is rotatably connected with the seat bearing 450, and the shoulder 421 abuts against the seat bearing 450; the seat bearing 450 is fixedly connected with the first fixed seat 460, and the second drive 410 and the second fixed seat 470 are fixedly connected. Through the design of this structure, the resistance generated by the stirring mechanism 400 when working can be distributed to the cover plate 210, thereby improving the stability of the stirring mechanism 400 and reducing the risk of fatigue damage to each component.

[0038] In some embodiments of the utility model, the first fixing seat 460 and the second fixing seat 470 are staggered on the cover plate 210. Specifically, in this embodiment, the first fixing seat 460 and the second fixing seat 470 are cross-arranged on the cover plate 210 in a cross structure. Through the design of this structure, it is convenient to visually inspect the main transmission components such as the shaft seat 440 of the stirring mechanism 400 and the seat bearing 450, which is convenient for daily inspection and maintenance.

[0039] In some embodiments of the utility model, a bearing bush 441 is provided on the shaft seat 440, and the stirring shaft 420 is fixedly connected to the bearing bush 441. In this embodiment, the stirring shaft 420 is vertically arranged, and the stirring shaft 420 not only needs to rotate around the vertical axis, but also needs to withstand the force in the vertical direction. In this embodiment, a seat bearing 450 and a bearing bush 441 are arranged, wherein the seat bearing 450 can provide a supporting force in the vertical direction, and the bearing bush 441 can stabilize the stirring shaft 420 and reduce the resistance of the stirring shaft 420 to rotate around the vertical axis. In this embodiment, the bearing bush 441 is used as a rotating connection component, which has good wear resistance and stability.

[0040] In some embodiments of the present invention, a frame 100 is further included, and a mixing drum 200 is fixedly arranged on the frame 100. In this embodiment, the frame 100 can provide the main support and serve as a daily inspection and maintenance platform. The column mixing drum 200 can be firmly fixed.

[0041] In some embodiments of the utility model, a working platform 110 is provided on the frame 100, a guardrail 120 is provided around the working platform, and an escalator 130 is provided at one end of the working platform 110. Through the design of this structure, certain safety protection can be provided, which is convenient for daily inspection and maintenance of the staff.

[0042] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of ordinary technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. A compound fertilizer proportion mixing device, characterized in that: include: A mixing drum (200), wherein the upper end of the mixing drum (200) is provided with at least two first feed ports (201), and the lower end of the mixing drum (200) is provided with a first discharge port (202); A spiral feeding mechanism (300), each of the first feed ports (201) is provided with the spiral feeding mechanism (300), the spiral feeding mechanism (300) is provided with a barrel (310), one end of the barrel (310) is provided with a second feed port (301), the other end of the barrel (310) is provided with a second discharge port (302), the second feed port (301) and the second discharge port (302) have opposite opening directions; a spiral blade (350) is provided inside the barrel (310), and the spiral blade (350) can transport the material at the second feed port (301) to the second discharge port (302) when rotating.

2. The compound fertilizer ratio mixing device according to claim 1, characterized in that: The spiral feeding mechanism (300) comprises a driving shaft (320), a first driving (330) and a coupling (340); the first driving (330) and the barrel (310) are fixedly connected, the output end of the first driving (330) is transmission-connected to the driving shaft (320) via the coupling (340), and one end of the driving shaft (320) passes through the barrel (310) and is fixedly connected to the spiral blade (350).

3. The compound fertilizer ratio mixing device according to claim 2, characterized in that: The first drive (330) is a servo motor.

4. The compound fertilizer ratio mixing device according to claim 1, characterized in that: The lower end of the mixing drum (200) is provided with a conical collecting hopper (203), and the first discharge port (202) is provided at the lower end of the conical collecting hopper (203); the upper end of the mixing drum (200) is provided with a cover plate (210), and the cover plate (210) is provided with a stirring mechanism (400).

5. The compound fertilizer ratio mixing device according to claim 4, characterized in that: The stirring mechanism (400) comprises a second drive (410), a stirring shaft (420), a stirring blade (430) and a shaft seat (440); the shaft seat (440) is fixedly connected to the cover plate (210); the output end of the second drive (410) is transmission-connected to the stirring shaft (420), the stirring shaft (420) is rotationally connected to the shaft seat (440), and one end of the stirring shaft (420) passes through the cover plate (210) and is fixedly connected to the stirring blade (430).

6. The compound fertilizer proportion mixing device according to claim 5, characterized in that: The stirring mechanism (400) further comprises a seat bearing (450), a first fixed seat (460) and a second fixed seat (470); a shaft shoulder (421) is provided on the stirring shaft (420); the stirring shaft (420) and the seat bearing (450) are rotatably connected, and the shaft shoulder (421) abuts against the seat bearing (450); the seat bearing (450) and the first fixed seat (460) are fixedly connected, and the second drive (410) and the second fixed seat (470) are fixedly connected.

7. The compound fertilizer ratio mixing device according to claim 6, characterized in that: The first fixing seat (460) and the second fixing seat (470) are arranged alternately on the cover plate (210).

8. The compound fertilizer ratio mixing device according to claim 5, characterized in that: A bearing bush (441) is disposed on the shaft seat (440), and the stirring shaft (420) and the bearing bush (441) are fixedly connected.

9. The compound fertilizer ratio mixing device according to claim 1, characterized in that: It also includes a frame (100), and the mixing drum (200) is fixedly arranged on the frame (100).

10. The compound fertilizer proportion mixing device according to claim 9, characterized in that: A working platform (110) is arranged on the frame (100), guardrails (120) are arranged around the working platform, and an escalator (130) is arranged at one end of the working platform (110).

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