Automatic feeding and conveying device of grain storage tank

Abstract

The utility model discloses an automatic feeding and conveying device of a grain storage tank, and particularly relates to the field of grain storage tank conveying, the automatic feeding and conveying device comprises a top plate, supporting columns are arranged at the edge position of the bottom of the top plate at equal angles, a workbench is fixed on the supporting columns below the top plate, and a rotating disc is rotatably installed at the center position of the top of the workbench; a stepping motor is fixed to the center of the bottom of the workbench, and a rotating shaft at the output end of the stepping motor penetrates through the workbench to be connected with the rotating disc. According to the utility model, the feeding conveyor belt, the discharging conveyor belt and the turntable are arranged, four limiting grooves are formed in the turntable and can correspond to four stations of feeding, rough weighing, fine weighing and discharging, and the turntable intermittently rotates by 90 degrees and can drive the grain storage tank to transfer among the four stations, so that automatic feeding, feeding, weighing and discharging are realized; manual operation is not needed, and the automation degree is higher.

Description

Technical Field

[0001] The utility model relates to the field of grain storage tank transmission, and more specifically, to an automatic feeding and transmission device for a grain storage tank. Background Art

[0002] For small and medium-sized farms, grain processing plants, and grain storage companies, grain transportation and filling equipment is essential. In order to increase the filling speed, grain filling machines are generally used to quickly fill grain, which can effectively increase the filling speed and improve work efficiency.

[0003] After searching, the existing patent (publication number: CN219277850U) discloses a filling mechanism of a grain filling machine, including a filling machine and a feed port fixed on the upper surface of the filling machine, a discharge port is provided on one side of the feed port, and a discharge plate is provided at one end of the discharge port through a first rotating shaft, a leakage groove is provided on the upper surface of the filling machine, and one end of the discharge plate is located in the leakage groove, a fixed box is fixed on one side surface of the filling machine, and a motor is fixed in the fixed box, a first rotating rod is fixed at one end of the motor, a cavity is provided in the filling machine, and one end of the first rotating rod is inserted through the cavity. The utility model drives the first rotating rod to rotate by setting a motor, so that the fan blades blow a certain amount of air to the grain rolling down from the discharge plate, so that the debris and sundries contained in the grain are blown into the collection box for a certain amount of collection, which greatly improves the work efficiency and avoids the consequences of weighing errors.

[0004] Most of the existing automatic feeding devices for grain storage tanks have a low degree of automation and cannot automatically load and feed the grain storage tanks. Manual loading and unloading are required, and the feeding quantity cannot be accurately controlled. The filling accuracy is average. At the same time, the above-cited patent documents do not propose relevant solutions to solve the above problems.

[0005] Therefore, in view of the above problems, an automatic feeding and conveying device for a grain storage tank is proposed. Utility Model Content

[0006] In order to overcome the above-mentioned defects of the prior art, an embodiment of the utility model provides an automatic feeding and conveying device for a grain storage tank to solve the problems raised in the above-mentioned background technology.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an automatic feeding and conveying device for a grain storage tank, comprising a top plate, support columns are arranged at equal angles at the edge position of the bottom of the top plate, and a workbench is fixed on the support columns below the top plate, a turntable is rotatably installed at the central position of the top of the workbench, and a stepper motor is fixed at the central position of the bottom of the workbench, the output end shaft of the stepper motor passes through the workbench and is connected to the turntable, a material barrel is installed on the top of the top plate, and a first screw feeder and a second screw feeder are arranged at the bottom of the top plate, the feed ports of the first screw feeder and the second screw feeder are both arranged close to the center side of the material barrel, and the feed ports of the first screw feeder and the second screw feeder are both connected to the material barrel;

[0008] A first conveyor rack is installed at one end of the workbench, and a discharging conveyor belt is arranged on the top of the first conveyor rack. A second conveyor rack is installed on one side of the workbench, and a feeding conveyor belt is installed on the top of the second conveyor rack. The tops of the discharging conveyor belt and the feeding conveyor belt are both provided with grain storage tanks for conveying. A first electronic scale is embedded in one end of the top of the workbench away from the first conveyor rack, and a second electronic scale is embedded in one side of the top of the workbench away from the second conveyor rack.

[0009] Preferably, the workbench is provided with openings at positions close to the first conveyor rack and the second conveyor rack, and the discharge conveyor belt and the feed conveyor belt both extend into the openings.

[0010] Preferably, balls are embedded in the upper surface of the workbench, and the lower surface of the turntable is in contact with the top of the balls, and the upper surfaces of the discharge conveyor belt and the feed conveyor belt are flush with the top of the balls.

[0011] Preferably, the top of the workbench around the first electronic scale and the second electronic scale is provided with an annular slope whose inner diameter matches the outer diameter of the first electronic scale and the second electronic scale, and the upper surfaces of the first electronic scale and the second electronic scale are flush with the top of the ball.

[0012] Preferably, the outer circumference of the turntable is evenly provided with limiting grooves, and the inner diameter of the limiting groove is consistent with the outer diameter of the grain storage tank, and four limiting grooves are provided at equal angles.

[0013] Preferably, a first discharge port is arranged at the bottom of the first screw feeder directly above the first electronic scale, and a second discharge port is arranged at the bottom of the second screw feeder directly above the second electronic scale, the bottoms of the first discharge port and the second discharge port are both threadedly connected with a telescopic guide pipe, and a hydraulic telescopic rod is fixed on one side of the first discharge port and the second discharge port, and the output ends of the hydraulic telescopic rods are connected to the telescopic section of the telescopic guide pipe.

[0014] Preferably, the top of the workbench outside the turntable protrudes upward to form a limiting ring, and the inner diameter of the limiting ring is consistent with the outer diameter of the turntable.

[0015] Preferably, the diameter of the first screw conveyor is greater than the diameter of the second screw conveyor, and the first screw conveyor and the second screw conveyor are perpendicular to each other.

[0016] Technical effects and advantages of the utility model:

[0017] 1. Compared with the prior art, the automatic feeding and conveying device of the grain storage tank is provided with a feed conveyor belt, a discharge conveyor belt and a turntable. The turntable is provided with four limit slots, which can correspond to the four working positions of loading, rough weighing, fine weighing and unloading. The turntable makes an intermittent rotation of 90°, which can drive the grain storage tank to transfer between the above four working positions, realize automatic loading, feeding, weighing and unloading, and no manual operation is required, with a higher degree of automation.

[0018] 2. Compared with the prior art, the automatic feeding and conveying device of the grain storage tank is provided with a first screw feeder and a second screw feeder, and the discharge ports of the two are respectively arranged directly above the first electronic scale and the second electronic scale, wherein the diameter of the first screw feeder is larger than that of the second screw feeder, so that coarse feeding of grain can be realized. When the weight of the grain storage tank measured by the first electronic scale is close to the set value, the turntable rotates 90° to transfer the grain storage tank to the second electronic scale, and the second screw feeder can perform fine feeding. Through two feedings, the grain filling accuracy is higher and the feeding efficiency is higher. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the structure of the utility model.

[0020] Figure 2 It is a schematic diagram of the structure of a workbench of the utility model.

[0021] Figure 3 This is a schematic diagram of the structure of the stepping motor of the utility model.

[0022] Figure 4 This is a schematic diagram of the structure of the material barrel of the utility model.

[0023] The accompanying drawings are marked as follows: 1. support column; 2. workbench; 201. opening; 3. limit ring; 4. top plate; 5. material barrel; 6. first conveyor rack; 7. grain storage tank; 8. second conveyor rack; 9. discharge conveyor belt; 10. feed conveyor belt; 11. first electronic scale; 12. second electronic scale; 13. annular slope; 14. ball bearing; 15. turntable; 1501. limit groove; 16. stepper motor; 17. first screw feeder; 18. second screw feeder; 19. first discharge port; 20. telescopic guide pipe; 21. hydraulic telescopic rod; 22. second discharge port. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] Embodiment 1

[0026] As attached Figure 1 The automatic feeding and conveying device of a grain storage tank shown in the figure comprises a top plate 4, support columns 1 are arranged at equal angles at the edge position of the bottom of the top plate 4, and a workbench 2 is fixed on the support column 1 below the top plate 4, a turntable 15 is rotatably installed at the central position of the top of the workbench 2, and a stepper motor 16 is fixed at the central position of the bottom of the workbench 2, the output end shaft of the stepper motor 16 passes through the workbench 2 and is connected to the turntable 15, a material barrel 5 is installed on the top of the top plate 4, and a first screw conveyor 17 and a second screw conveyor 18 are arranged at the bottom of the top plate 4, the feeding ports of the first screw conveyor 17 and the second screw conveyor 18 are both arranged near the center side of the material barrel 5, and the feeding ports of the first screw conveyor 17 and the second screw conveyor 18 are both connected to the material barrel 5;

[0027] A first conveyor frame 6 is installed at one end of the workbench 2, and a discharge conveyor belt 9 is arranged on the top of the first conveyor frame 6. A second conveyor frame 8 is installed on one side of the workbench 2, and a feed conveyor belt 10 is installed on the top of the second conveyor frame 8. The tops of the discharge conveyor belt 9 and the feed conveyor belt 10 are both provided with a grain storage tank 7 for conveying. A first electronic scale 11 is embedded in one end of the top of the workbench 2 away from the first conveyor frame 6, and a second electronic scale 12 is embedded in one side of the top of the workbench 2 away from the second conveyor frame 8.

[0028] Among them: the feed conveyor belt 10 is used for loading the grain storage tank 7, the discharge conveyor belt 9 is used for unloading the grain storage tank 7, and the turntable 15 makes 90° intermittent rotation, which can drive the grain storage tank 7 to transfer among the above four stations, realizing automatic loading, feeding, weighing and unloading, without manual operation, and has a higher degree of automation.

[0029] Embodiment 2

[0030] Based on the first embodiment, the solution in the first embodiment is further detailed in combination with the following specific working methods. Figures 1 to 4 As shown, see the following description for details:

[0031] As a preferred embodiment, openings 201 are correspondingly opened at the positions of the workbench 2 close to the first conveyor frame 6 and the second conveyor frame 8, and the discharge conveyor belt 9 and the feed conveyor belt 10 are extended into the opening 201; further, the design extending into the opening 201 allows the turntable 15 to rotate, thereby driving the pouring and transfer of the grain storage tank 7 on the feed conveyor belt 10, and transferring the grain storage tank 7 that has completed the filling to the discharge conveyor belt 9 for transmission, thereby realizing automatic loading and unloading, and the design is more reasonable.

[0032] As a preferred embodiment, a ball 14 is embedded in the upper surface of the workbench 2, and the lower surface of the turntable 15 is in contact with the top of the ball 14, and the upper surfaces of the discharge conveyor belt 9 and the feed conveyor belt 10 are flush with the top of the ball 14; further, the design of the ball 14 can reduce the friction resistance encountered when the turntable 15 rotates and the grain storage tank 7 is transferred, so that the transfer of the grain storage tank 7 is smoother.

[0033] As a preferred embodiment, the top of the workbench 2 on the outer periphery of the first electronic scale 11 and the second electronic scale 12 is provided with an annular slope 13 whose inner diameter matches the outer diameter of the first electronic scale 11 and the second electronic scale 12, and the upper surfaces of the first electronic scale 11 and the second electronic scale 12 are flush with the top of the ball 14; further, the top flush design enables the grain storage tank 7 to be smoothly transferred to the first electronic scale 11 and the second electronic scale 12 for weighing, and the design is more reasonable.

[0034] As a preferred embodiment, limiting grooves 1501 are evenly provided on the outer circumference of the turntable 15, and the inner diameter of the limiting grooves 1501 coincides with the outer diameter of the grain storage tank 7, and four limiting grooves 1501 are provided at equal angles; further, the four limiting grooves 1501 are designed to correspond to the four workstations of loading, rough weighing, fine weighing and unloading. The turntable 15 makes an intermittent rotation of 90°, which can drive the grain storage tank 7 to transfer among the above four workstations, realizing automatic loading, feeding, weighing and unloading, without manual operation, and with a higher degree of automation.

[0035] As a preferred embodiment, a first discharge port 19 is provided at the bottom of the first screw feeder 17 directly above the first electronic scale 11, and a second discharge port 22 is provided at the bottom of the second screw feeder 18 directly above the second electronic scale 12, and the bottoms of the first discharge port 19 and the second discharge port 22 are both threadedly connected with a telescopic guide pipe 20, and one side of the first discharge port 19 and the second discharge port 22 are fixed with a hydraulic telescopic rod 21, and the output ends of the hydraulic telescopic rod 21 are connected to the telescopic section of the telescopic guide pipe 20; further, the operation of the hydraulic telescopic rod 21 can drive the telescopic guide pipe 20 to extend, insert it into the grain storage tank 7 for feeding, avoid grain spilling, and feed more accurately.

[0036] As a preferred embodiment, the top of the workbench 2 outside the turntable 15 protrudes upward to form a limit ring 3, and the inner diameter of the limit ring 3 coincides with the outer diameter of the turntable 15; further, the limit ring 3 can limit the grain storage tank 7 transported by the turntable 15 to avoid the position of the grain storage tank 7 from shifting and affecting the filling or weighing of grain, and the design is more reasonable.

[0037] As a preferred embodiment, the diameter of the first screw conveyor 17 is larger than that of the second screw conveyor 18, and the first screw conveyor 17 and the second screw conveyor 18 are perpendicular to each other; further, the diameter of the first screw conveyor 17 is larger than that of the second screw conveyor 18, so that coarse feeding of grain can be achieved, and the second screw conveyor 18 can perform fine feeding of grain. Through the two feedings, the grain filling accuracy is higher and the feeding efficiency is higher.

[0038] The working process of the utility model is as follows:

[0039] When in use, turn on the power, the feed conveyor belt 10 transports the grain storage tank 7, and transports the grain storage tank 7 to the limit groove 1501 of the turntable 15. The stepper motor 16 drives the turntable 15 to make 90° intermittent rotation. The grain storage tank 7 is first transferred to the top of the first electronic scale 11, and the first screw feeder 17 works to realize coarse feeding of grain. When the weight of the grain storage tank 7 measured by the first electronic scale 11 is close to the set value, the turntable 15 rotates 90° again to transfer the grain storage tank 7 to the second electronic scale 12, and the second screw feeder 18 works to perform fine feeding. After the second electronic scale 12 weighs the weight of the grain storage tank 7 to reach the set value, the turntable 15 rotates 90° again to transfer the grain storage tank 7 to the discharge conveyor belt 9 to complete the unloading.

[0040] Finally: The above are only preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

Claims

1. An automatic feeding and conveying device for a grain storage tank, comprising a top plate (4), characterized in that: Support columns (1) are arranged at equal angles at the edge positions of the bottom of the top plate (4), and a workbench (2) is fixed on the support columns (1) below the top plate (4). A turntable (15) is rotatably installed at the central position of the top of the workbench (2), and a stepper motor (16) is fixed at the central position of the bottom of the workbench (2). The output end shaft of the stepper motor (16) passes through the workbench (2) and is connected to the turntable (15). A material barrel (5) is installed on the top of the top plate (4), and a first screw conveyor (17) and a second screw conveyor (18) are arranged at the bottom of the top plate (4). The feed ports of the first screw conveyor (17) and the second screw conveyor (18) are both arranged near the center side of the material barrel (5), and the feed ports of the first screw conveyor (17) and the second screw conveyor (18) are both connected to the material barrel (5); A first conveyor frame (6) is installed at one end of the workbench (2), and a discharge conveyor belt (9) is arranged on the top of the first conveyor frame (6); a second conveyor frame (8) is installed on one side of the workbench (2), and a feed conveyor belt (10) is installed on the top of the second conveyor frame (8); a grain storage tank (7) is provided on the top of both the discharge conveyor belt (9) and the feed conveyor belt (10); a first electronic scale (11) is embedded at one end of the top of the workbench (2) away from the first conveyor frame (6), and a second electronic scale (12) is embedded at one side of the top of the workbench (2) away from the second conveyor frame (8).

2. The automatic feeding and conveying device for a grain storage tank according to claim 1, characterized in that: The workbench (2) is provided with openings (201) at positions close to the first conveying frame (6) and the second conveying frame (8), and the discharge conveyor belt (9) and the feed conveyor belt (10) both extend into the openings (201).

3. The automatic feeding and conveying device for a grain storage tank according to claim 1, characterized in that: A ball (14) is embedded in the upper surface of the workbench (2), and the lower surface of the turntable (15) is in contact with the top of the ball (14). The upper surfaces of the discharge conveyor belt (9) and the feed conveyor belt (10) are both flush with the top of the ball (14).

4. The automatic feeding and conveying device for a grain storage tank according to claim 3, characterized in that: The top of the workbench (2) on the periphery of the first electronic scale (11) and the second electronic scale (12) is provided with an annular slope (13) whose inner diameter matches the outer diameter of the first electronic scale (11) and the second electronic scale (12), and the upper surface of the first electronic scale (11) and the second electronic scale (12) is flush with the top of the ball (14).

5. The automatic feeding and conveying device for a grain storage tank according to claim 1, characterized in that: The outer circumference of the rotating disk (15) is evenly provided with limiting grooves (1501), and the inner diameter of the limiting groove (1501) coincides with the outer diameter of the grain storage tank (7), and four limiting grooves (1501) are provided at equal angles.

6. The automatic feeding and conveying device for a grain storage tank according to claim 1, characterized in that: A first discharge port (19) is arranged at the bottom of the first screw feeder (17) directly above the first electronic scale (11), and a second discharge port (22) is arranged at the bottom of the second screw feeder (18) directly above the second electronic scale (12), the bottoms of the first discharge port (19) and the second discharge port (22) are both threadedly connected with a telescopic guide pipe (20), and one side of the first discharge port (19) and the second discharge port (22) is fixed with a hydraulic telescopic rod (21), and the output end of the hydraulic telescopic rod (21) is connected to the telescopic section of the telescopic guide pipe (20).

7. The automatic feeding and conveying device for a grain storage tank according to claim 1, characterized in that: The top of the workbench (2) outside the rotating disk (15) protrudes upward to form a limiting ring (3), and the inner diameter of the limiting ring (3) coincides with the outer diameter of the rotating disk (15).

8. The automatic feeding and conveying device for a grain storage tank according to claim 1, characterized in that: The diameter of the first screw conveyor (17) is greater than the diameter of the second screw conveyor (18), and the first screw conveyor (17) and the second screw conveyor (18) are perpendicular to each other.

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